:root {
  color-scheme: light;
  --ink: #111827;
  --ink-2: #111827;
  --muted: #64748b;
  --quiet: #8d99a8;
  --page: #f8fafc;
  --shell: #fbfcfd;
  --shell-2: #f8fafc;
  --paper: #f8fafc;
  --paper-line: rgba(203, 213, 225, 0.72);
  --paper-line-strong: rgba(148, 163, 184, 0.74);
  --stroke: #cbd5e1;
  --stroke-strong: #94a3b8;
  --blue: #2563eb;
  --blue-soft: #eaf4ff;
  --blue-purple-gradient: linear-gradient(100deg, #7c3aed 0%, #4f46e5 45%, #2563eb 100%);
  --green: #16a34a;
  --amber: #c98a1b;
  --violet: #7259d9;
  --rose: #c94d6b;
  --shadow: rgba(15, 23, 42, 0.1);
  --soft-shadow: rgba(15, 23, 42, 0.055);
  --surface-shadow: 0 12px 34px rgba(15, 23, 42, 0.07);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--page);
  color: var(--ink);
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(79, 70, 229, 0.24);
  outline-offset: 3px;
}

#app {
  width: 100vw;
  height: 100vh;
  height: 100dvh;
}

.icon {
  display: block;
  width: 1.15em;
  height: 1.15em;
  flex: 0 0 auto;
}

.icon .fill.soft {
  fill: currentColor;
  opacity: 0.1;
  stroke: none;
}

.icon .fill.accent {
  fill: currentColor;
  opacity: 0.16;
  stroke: none;
}

.course-workspace-page .icon {
  stroke-width: 1.9;
}

.dashboard-page,
.lesson-page {
  position: relative;
  display: grid;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--page);
}

.landing-page {
  position: relative;
  isolation: isolate;
  display: block;
  width: 100%;
  height: 100%;
  overflow: auto;
  background:
    linear-gradient(var(--paper-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper-line) 1px, transparent 1px),
    linear-gradient(var(--paper-line-strong) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper-line-strong) 1px, transparent 1px),
    linear-gradient(180deg, #ffffff 0%, #f7f9fb 100%),
    var(--paper);
  background-size: 28px 28px, 28px 28px, 140px 140px, 140px 140px, auto, auto;
}

.dashboard-page {
  grid-template-rows: 76px minmax(0, 1fr);
}

.landing-topbar,
.landing-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-color: var(--stroke);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
}

.landing-topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  gap: 18px;
  padding: 10px 22px;
  border-bottom: 1px solid var(--stroke);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.035);
}

.landing-brand,
.landing-nav,
.landing-footer {
  min-width: 0;
}

.landing-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding: 0;
  background: transparent;
  color: var(--ink);
  font-size: 1.02rem;
  font-weight: 820;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid rgba(17, 24, 39, 0.13);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font-size: 1rem;
  font-weight: 820;
  box-shadow: 0 7px 20px rgba(15, 23, 42, 0.055), inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.brand-mark img {
  display: block;
  width: 30px;
  height: 30px;
}

.landing-nav {
  display: flex;
  align-items: center;
  justify-content: end;
  gap: 8px;
  margin-left: auto;
}

.landing-nav a,
.landing-footer a,
.landing-footer button {
  color: var(--ink-2);
  font-size: 0.84rem;
  font-weight: 760;
  text-decoration: none;
  transition: color 180ms ease;
}

.landing-nav a {
  padding: 11px 13px;
  border: 1px solid transparent;
  border-radius: 999px;
}

.landing-nav a:hover,
.landing-footer a:hover,
.landing-footer button:hover {
  color: transparent;
  background: var(--blue-purple-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.landing-auth-action {
  display: inline-flex;
}

.landing-login {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid rgba(17, 24, 39, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink-2);
  font-size: 0.82rem;
  font-weight: 820;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.055);
  transition:
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.landing-login:hover {
  border-color: rgba(79, 70, 229, 0.34);
  color: var(--ink);
}

.landing-login:hover > span:not(.landing-avatar) {
  color: transparent;
  background: var(--blue-purple-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.landing-login.is-signed-in {
  border-color: rgba(79, 70, 229, 0.24);
  color: var(--ink);
}

.landing-login.is-profile {
  width: 42px;
  min-width: 42px;
  height: 42px;
  min-height: 42px;
  padding: 2px;
  border-radius: 50%;
}

.landing-login.is-clerk-user-button {
  overflow: visible;
}

.landing-login.is-clerk-user-button > button,
.landing-login.is-clerk-user-button [class*="userButtonTrigger"] {
  width: 100%;
  height: 100%;
  border-radius: 50%;
}

.landing-login.is-clerk-user-button [class*="userButtonBox"],
.landing-login.is-clerk-user-button [class*="avatarBox"] {
  width: 100%;
  height: 100%;
}

.landing-avatar {
  position: relative;
  display: grid;
  width: 34px;
  height: 34px;
  overflow: hidden;
  place-items: center;
  border-radius: 50%;
  background: #f8fafc;
}

.landing-avatar-img,
.landing-avatar-fallback {
  grid-area: 1 / 1;
  width: 100%;
  height: 100%;
  border-radius: 50%;
}

.landing-avatar-img {
  position: relative;
  z-index: 2;
  display: block;
  object-fit: cover;
}

.landing-avatar-fallback {
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #111827, #334155);
  color: #ffffff;
  font-size: 0.86rem;
  font-weight: 860;
}

.landing-login.is-checking {
  color: var(--muted);
}

.account-profile-backdrop {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(248, 250, 252, 0.56);
  backdrop-filter: blur(10px);
}

.account-profile-shell {
  position: relative;
  width: min(470px, calc(100vw - 32px));
  max-height: min(720px, calc(100dvh - 40px));
  overflow: auto;
  border: 1px solid var(--stroke-strong);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 28px 70px rgba(17, 24, 39, 0.18);
}

.account-profile-close {
  position: absolute;
  z-index: 2;
  top: 10px;
  right: 10px;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--stroke);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  box-shadow: 0 8px 18px rgba(17, 24, 39, 0.06);
}

.account-profile-close .icon {
  width: 16px;
  height: 16px;
}

.account-profile-mount {
  min-height: 210px;
}

.account-profile-mount > * {
  width: 100%;
}

.account-profile-loading,
.account-profile-fallback {
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: 34px 28px 28px;
  text-align: center;
}

.account-profile-loading .landing-avatar,
.account-profile-fallback .landing-avatar {
  width: 52px;
  height: 52px;
}

.account-profile-loading strong,
.account-profile-fallback strong {
  color: var(--ink);
  font-size: 1.08rem;
  font-weight: 850;
}

.account-profile-loading small,
.account-profile-fallback small,
.account-profile-fallback p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 650;
  line-height: 1.45;
}

.account-profile-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  padding-top: 4px;
}

.account-profile-actions button {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--stroke-strong);
  border-radius: 999px;
  background: #ffffff;
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 820;
}

.course-workspace-page {
  position: relative;
  display: grid;
  width: 100%;
  height: 100%;
  grid-template-rows: 92px minmax(0, 1fr);
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(79, 70, 229, 0.045) 0%, rgba(79, 70, 229, 0) 36%),
    linear-gradient(225deg, rgba(37, 99, 235, 0.04) 0%, rgba(37, 99, 235, 0) 38%),
    #f8fafc;
  color: var(--ink);
  --dashboard-panel: rgba(255, 255, 255, 0.82);
  --dashboard-panel-solid: #ffffff;
  --dashboard-line: rgba(148, 163, 184, 0.58);
  --dashboard-line-soft: rgba(203, 213, 225, 0.68);
  --dashboard-accent: #4f46e5;
  --dashboard-accent-2: #2563eb;
  --dashboard-aqua: #0ea5a8;
}

.workspace-topbar {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: auto minmax(260px, 450px) minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 10px 24px;
  border-bottom: 1px solid var(--dashboard-line);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 10px 34px rgba(15, 23, 42, 0.045);
  backdrop-filter: blur(18px);
}

.workspace-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
  color: var(--ink);
  font-size: 1.02rem;
  font-weight: 840;
  text-decoration: none;
  white-space: nowrap;
}

.workspace-course-switcher {
  position: relative;
  min-width: 0;
}

.workspace-course-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-width: 0;
  gap: 12px;
  padding: 8px 12px;
  border: 1px solid rgba(100, 116, 139, 0.46);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.045);
  text-align: left;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.workspace-course-card:hover {
  border-color: rgba(79, 70, 229, 0.52);
  background: #ffffff;
  color: var(--ink);
  box-shadow: 0 14px 34px rgba(79, 70, 229, 0.11);
}

.workspace-course-copy {
  display: grid;
  gap: 1px;
  min-width: 0;
}

.workspace-course-card strong,
.workspace-course-card small {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workspace-course-card strong {
  font-size: 0.94rem;
  font-weight: 850;
}

.workspace-course-card small,
.workspace-course-kicker {
  color: var(--muted);
  transition: color 180ms ease;
}

.workspace-course-card:hover small,
.workspace-course-card:hover .workspace-course-kicker {
  color: transparent;
  background: var(--blue-purple-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.workspace-course-kicker {
  font-size: 0.66rem;
  font-weight: 820;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.workspace-course-card small {
  font-size: 0.76rem;
  font-weight: 690;
}

.workspace-course-menu {
  position: absolute;
  z-index: 10;
  top: calc(100% + 10px);
  left: 0;
  display: grid;
  width: min(100vw - 32px, 430px);
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--stroke-strong);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 20px 48px rgba(15, 23, 42, 0.14);
  backdrop-filter: blur(18px);
}

.workspace-course-menu[hidden] {
  display: none;
}

.workspace-course-menu-head {
  display: grid;
  gap: 2px;
  padding: 3px 4px 6px;
}

.workspace-course-menu-head strong {
  color: var(--ink);
  font-size: 0.94rem;
  font-weight: 850;
}

.workspace-course-menu-head small {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 650;
}

.workspace-course-menu-list {
  display: grid;
  gap: 7px;
}

.workspace-course-menu-item,
.workspace-course-menu-back,
.workspace-course-menu-empty {
  border: 1px solid var(--stroke);
  border-radius: 8px;
  background: rgba(248, 250, 252, 0.72);
}

.workspace-course-menu-item,
.workspace-course-menu-back {
  color: var(--ink);
  transition:
    border-color 180ms ease,
    color 180ms ease,
    background 180ms ease;
}

.workspace-course-menu-item {
  display: grid;
  justify-items: start;
  gap: 3px;
  min-height: 62px;
  padding: 11px 12px;
  text-align: left;
}

.workspace-course-menu-item:hover,
.workspace-course-menu-back:hover {
  border-color: rgba(79, 70, 229, 0.42);
  background: #ffffff;
  color: var(--ink);
}

.workspace-course-menu-item.is-active {
  border-color: rgba(79, 70, 229, 0.45);
  background: #ffffff;
}

.workspace-course-menu-item strong,
.workspace-course-menu-item small {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workspace-course-menu-item strong {
  font-size: 0.88rem;
  font-weight: 820;
}

.workspace-course-menu-item small {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 640;
  transition: color 180ms ease;
}

.workspace-course-menu-item:hover small {
  color: transparent;
  background: var(--blue-purple-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.workspace-course-menu-item:hover strong,
.workspace-course-menu-back:hover span {
  color: transparent;
  background: var(--blue-purple-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.workspace-course-menu-empty {
  display: grid;
  gap: 4px;
  padding: 12px;
  color: var(--muted);
}

.workspace-course-menu-empty strong {
  color: var(--ink);
  font-size: 0.88rem;
}

.workspace-course-menu-empty small {
  font-size: 0.76rem;
}

.workspace-course-menu-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 12px;
  font-size: 0.84rem;
  font-weight: 820;
}

.workspace-links {
  display: flex;
  align-items: center;
  justify-content: end;
  gap: 8px;
  min-width: 0;
}

.workspace-links a {
  padding: 10px 12px;
  border-radius: 999px;
  color: var(--ink-2);
  font-size: 0.84rem;
  font-weight: 760;
  text-decoration: none;
  transition: color 180ms ease;
}

.workspace-links a:hover {
  color: transparent;
  background: var(--blue-purple-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.workspace-layout {
  display: grid;
  min-height: 0;
  grid-template-columns: clamp(206px, 18vw, 286px) minmax(0, 1fr) clamp(310px, 28vw, 430px);
  overflow: hidden;
}

.workspace-lessons,
.workspace-course-tree {
  position: relative;
  min-width: 0;
  min-height: 0;
  background: var(--dashboard-panel);
  backdrop-filter: blur(16px);
}

.workspace-lessons {
  padding: 18px 18px 22px;
  border-right: 1px solid var(--dashboard-line);
  overflow-y: auto;
}

.workspace-course-tree {
  padding: 20px 18px 28px;
  border-left: 1px solid var(--dashboard-line);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.workspace-course-tree::-webkit-scrollbar {
  width: 10px;
}

.workspace-course-tree::-webkit-scrollbar-thumb {
  border: 3px solid transparent;
  border-radius: 999px;
  background: rgba(100, 116, 139, 0.34);
  background-clip: padding-box;
}

.workspace-panel-head {
  position: relative;
  min-height: 0;
  padding: 0 2px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.workspace-panel-head::before {
  display: none;
}

.course-tree-head {
  display: grid;
  gap: 3px;
  margin-bottom: 20px;
}

.course-tree-head span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.course-tree-head strong {
  overflow: hidden;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 850;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.course-tree-sections {
  display: grid;
  gap: 18px;
  padding-bottom: 170px;
}

.course-tree-empty {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-top: 1px solid rgba(148, 163, 184, 0.42);
  border-bottom: 1px solid rgba(148, 163, 184, 0.42);
}

.course-tree-empty strong {
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 850;
}

.course-tree-empty small {
  max-width: 30ch;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
  line-height: 1.45;
}

.course-tree-section {
  display: grid;
  gap: 9px;
}

.course-tree-section-toggle {
  display: grid;
  width: 100%;
  grid-template-columns: minmax(24px, 1fr) auto minmax(24px, 1fr);
  align-items: center;
  gap: 9px;
  padding: 0;
  background: transparent;
  color: var(--ink);
  text-align: center;
  transition: color 180ms ease;
}

.course-tree-section-toggle:hover {
  color: var(--ink);
}

.course-tree-section-toggle:hover .course-tree-section-label strong {
  color: transparent;
  background: var(--blue-purple-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.course-tree-section-line {
  display: block;
  height: 1px;
  background: linear-gradient(90deg, rgba(148, 163, 184, 0), rgba(148, 163, 184, 0.78), rgba(148, 163, 184, 0));
}

.course-tree-section-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-width: 0;
}

.course-tree-section-label strong {
  max-width: 130px;
  overflow: hidden;
  font-size: 0.84rem;
  font-weight: 850;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.course-tree-section-label small {
  display: grid;
  min-width: 20px;
  height: 20px;
  place-items: center;
  border: 1px solid var(--dashboard-line-soft);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 820;
  background: rgba(255, 255, 255, 0.76);
}

.course-tree-section-label .icon {
  width: 1em;
  height: 1em;
  transition: transform 180ms ease;
}

.course-tree-section.is-collapsed .course-tree-section-label .icon {
  transform: rotate(-90deg);
}

.course-tree-lesson-list {
  display: grid;
  gap: 0;
}

.course-tree-lesson-list[hidden] {
  display: none;
}

.course-tree-lesson-row {
  display: grid;
  gap: 9px;
  width: 100%;
  padding: 13px 0 14px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.42);
  background: transparent;
  color: inherit;
  text-align: left;
}

.course-tree-lesson-row.is-action {
  cursor: pointer;
  transition:
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.course-tree-lesson-row.is-action:hover {
  border-color: rgba(79, 70, 229, 0.42);
  transform: translateY(-1px);
}

.course-tree-lesson-row.is-action:hover .course-tree-lesson-copy strong {
  color: transparent;
  background: var(--blue-purple-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.course-tree-lesson-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.course-tree-lesson-copy strong,
.course-tree-lesson-copy small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.course-tree-lesson-copy strong {
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 830;
}

.course-tree-lesson-copy small {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 650;
}

.course-tree-analytics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
  margin: 0;
}

.course-tree-analytics div {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.course-tree-analytics dt,
.course-tree-analytics dd {
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.course-tree-analytics dt {
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 820;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.course-tree-analytics dd {
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 820;
}

.course-tree-progress {
  display: block;
  height: 4px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(203, 213, 225, 0.7);
}

.course-tree-progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--dashboard-accent), var(--dashboard-accent-2));
}

.workspace-panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--muted);
}

.workspace-panel-head > span {
  display: none;
}

.workspace-panel-head h1 {
  margin: 0;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 850;
}

.lesson-history-list {
  display: grid;
  gap: 0;
}

.lesson-history-empty {
  display: grid;
  align-content: start;
  gap: 26px;
  min-height: 430px;
  padding: 6px 0 0;
}

.lesson-history-empty-copy {
  display: grid;
  gap: 7px;
}

.lesson-history-empty-copy strong,
.lesson-history-row strong {
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 820;
}

.lesson-history-empty-copy small,
.lesson-history-row small {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
  line-height: 1.45;
}

.lesson-history-row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  min-height: 58px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.46);
}

.dashboard-mini-streak {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--dashboard-line-soft);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.055);
}

.dashboard-mini-streak-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.dashboard-mini-streak-head strong {
  font-size: 0.88rem;
  font-weight: 840;
  white-space: nowrap;
}

.dashboard-mini-streak p {
  max-width: 170px;
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 610;
  line-height: 1.45;
}

.dashboard-flame,
.dashboard-streak-flame {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  color: #f97316;
}

.dashboard-flame {
  width: 28px;
  height: 28px;
  border: 1px solid rgba(249, 115, 22, 0.22);
  border-radius: 50%;
  background: #ffffff;
  box-shadow: none;
}

.dashboard-flame .icon {
  width: 17px;
  height: 17px;
}

.dashboard-flame .icon .fill.accent,
.dashboard-streak-flame .icon .fill.accent {
  opacity: 0.18;
}

.dashboard-mini-dots {
  display: flex;
  gap: 9px;
}

.dashboard-mini-dots span {
  width: 15px;
  height: 15px;
  border: 1px solid #cbd5e1;
  border-radius: 50%;
  background: #f8fafc;
}

.workspace-canvas {
  position: relative;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: #f8fbff;
}

.workspace-canvas-grid {
  position: absolute;
  inset: -180px;
  background:
    linear-gradient(rgba(203, 213, 225, 0.48) 1px, transparent 1px),
    linear-gradient(90deg, rgba(203, 213, 225, 0.48) 1px, transparent 1px),
    linear-gradient(rgba(148, 163, 184, 0.42) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.42) 1px, transparent 1px),
    linear-gradient(135deg, rgba(79, 70, 229, 0.09) 0%, rgba(255, 255, 255, 0) 36%),
    linear-gradient(225deg, rgba(14, 165, 168, 0.08) 0%, rgba(255, 255, 255, 0) 42%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  background-size: 28px 28px, 28px 28px, 140px 140px, 140px 140px, auto, auto, auto;
  animation: workspace-grid-drift 5.5s linear infinite;
}

.workspace-canvas::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(248, 251, 255, 0.34)),
    linear-gradient(90deg, rgba(255, 255, 255, 0.38), rgba(255, 255, 255, 0) 18%, rgba(255, 255, 255, 0) 82%, rgba(255, 255, 255, 0.34));
}

.workspace-centre {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 0;
  place-items: start center;
  overflow-y: auto;
  padding: 0 18px 18px;
  overscroll-behavior: contain;
}

.workspace-centre-stack {
  display: grid;
  width: min(970px, 100%);
  gap: 18px;
  padding-top: var(--dashboard-stack-pad-top, 28px);
  padding-bottom: 20px;
}

.dashboard-hero {
  display: grid;
  gap: 8px;
  justify-items: start;
  width: min(100%, 820px);
  margin: 0 auto 8px;
}

.dashboard-hero h1 {
  margin: 0;
}

.dashboard-hero h1 {
  max-width: 820px;
  color: var(--ink);
  font-size: clamp(2rem, 3.25vw, 3.15rem);
  font-weight: 880;
  line-height: 1.08;
  letter-spacing: 0;
}

.dashboard-prompt-phrase {
  min-height: 1.2em;
}

.dashboard-phrase-word {
  display: inline-block;
  white-space: nowrap;
}

.dashboard-phrase-token {
  display: inline-block;
}

.workspace-typing-pill {
  display: grid;
  width: 100%;
  min-height: 64px;
  grid-template-columns: auto minmax(0, 1fr) 48px;
  align-items: center;
  gap: 10px;
  padding: 7px 8px 7px 20px;
  border: 1px solid rgba(100, 116, 139, 0.42);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--muted);
  box-shadow:
    0 24px 58px rgba(15, 23, 42, 0.09),
    inset 0 1px 0 rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
}

.workspace-typing-pill input {
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-size: 0.98rem;
  font-weight: 680;
}

.workspace-typing-pill input::placeholder {
  color: var(--muted);
}

.workspace-typing-pill button {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid rgba(79, 70, 229, 0.18);
  border-radius: 50%;
  background: linear-gradient(135deg, #7c3aed, #2563eb);
  color: #ffffff;
  box-shadow: 0 12px 28px rgba(79, 70, 229, 0.22);
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.workspace-typing-pill button:hover {
  border-color: rgba(79, 70, 229, 0.36);
  box-shadow: 0 16px 32px rgba(79, 70, 229, 0.28);
  transform: translateX(1px) scale(1.02);
}

.workspace-action-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.workspace-action-card {
  position: relative;
  display: grid;
  grid-template-rows: auto auto;
  align-content: start;
  justify-items: start;
  gap: 16px;
  min-width: 0;
  min-height: 166px;
  padding: 22px 24px;
  overflow: hidden;
  border: 1px solid rgba(100, 116, 139, 0.36);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  text-align: left;
  box-shadow:
    0 12px 28px rgba(15, 23, 42, 0.045),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  transition:
    border-color 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.workspace-action-card::before {
  display: none;
}

.workspace-action-card::after {
  display: none;
}

.workspace-action-card > * {
  position: relative;
  z-index: 2;
}

.workspace-action-card:hover {
  border-color: rgba(79, 70, 229, 0.34);
  color: var(--ink);
  box-shadow:
    0 16px 38px rgba(79, 70, 229, 0.075),
    inset 0 1px 0 rgba(255, 255, 255, 0.94);
  transform: translateY(-1px);
}

.workspace-action-icon {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid rgba(79, 70, 229, 0.16);
  border-radius: 8px;
  background: #ffffff;
  color: var(--dashboard-accent);
  box-shadow: 0 10px 22px rgba(79, 70, 229, 0.07);
}

.workspace-action-icon .icon {
  width: 20px;
  height: 20px;
  stroke-width: 1.95;
}

.workspace-action-top {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.workspace-action-arrow {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.06);
  color: var(--ink);
  transition:
    background 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.workspace-action-arrow .icon,
.workspace-typing-pill .icon,
.course-tree-section-arrow .icon,
.workspace-course-card .icon {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

.workspace-action-card:hover .workspace-action-arrow {
  background: rgba(79, 70, 229, 0.12);
  color: #4f46e5;
  transform: translateX(2px);
}

.workspace-action-copy {
  display: grid;
  gap: 8px;
  min-width: 0;
  align-self: start;
  max-width: 94%;
}

.workspace-action-card strong {
  font-size: 1.08rem;
  font-weight: 850;
}

.workspace-action-card small {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 650;
  line-height: 1.35;
  transition: color 180ms ease;
}

.workspace-action-card:hover small {
  color: transparent;
  background: var(--blue-purple-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.workspace-action-card:hover strong {
  color: transparent;
  background: var(--blue-purple-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.dashboard-streak-panel {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: auto minmax(120px, 1fr) minmax(210px, 1.35fr) auto;
  align-items: center;
  gap: 16px;
  width: min(970px, calc(100% - 36px));
  min-height: 96px;
  margin: 0 auto 18px;
  padding: 16px 20px;
  border: 1px solid rgba(100, 116, 139, 0.3);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow:
    0 12px 34px rgba(15, 23, 42, 0.055),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
}

.dashboard-streak-flame {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(249, 115, 22, 0.22);
  border-radius: 50%;
  background: #ffffff;
  box-shadow: none;
}

.dashboard-streak-flame .icon {
  width: 21px;
  height: 21px;
  stroke-width: 1.85;
}

.dashboard-streak-copy {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.dashboard-streak-copy strong {
  color: var(--ink);
  font-size: 1rem;
  font-weight: 850;
}

.dashboard-streak-copy small,
.dashboard-best-streak small {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
  line-height: 1.35;
}

.dashboard-week {
  display: grid;
  grid-template-columns: repeat(7, minmax(22px, 1fr));
  gap: 8px;
  padding: 0 16px;
  border-right: 1px solid rgba(148, 163, 184, 0.32);
  border-left: 1px solid rgba(148, 163, 184, 0.32);
}

.dashboard-week span {
  display: grid;
  justify-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 760;
}

.dashboard-week i {
  width: 24px;
  height: 24px;
  border: 2px solid #d8dee9;
  border-radius: 50%;
  background: #f8fafc;
}

.dashboard-week .is-today {
  color: var(--dashboard-accent);
}

.dashboard-week .is-today i {
  border-color: var(--dashboard-accent);
  background: #ffffff;
  box-shadow: 0 0 0 5px rgba(79, 70, 229, 0.08);
}

.dashboard-week small {
  color: var(--dashboard-accent);
  font-size: 0.72rem;
  font-weight: 760;
}

.dashboard-best-streak {
  display: grid;
  gap: 6px;
  min-width: 76px;
}

.dashboard-best-streak strong {
  color: var(--ink);
  font-size: 1.4rem;
  font-weight: 780;
}

.dashboard-best-streak strong span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
}

.course-progress-panel {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  display: grid;
  gap: 14px;
  margin-top: 0;
  padding: 18px;
  border: 1px solid var(--dashboard-line-soft);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 -14px 32px rgba(255, 255, 255, 0.8), 0 16px 36px rgba(15, 23, 42, 0.06);
  backdrop-filter: blur(18px);
}

.course-progress-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.course-progress-head span {
  color: var(--ink);
  font-size: 0.98rem;
  font-weight: 720;
}

.course-progress-head strong {
  color: var(--dashboard-accent);
  font-size: 1rem;
  font-weight: 860;
}

.course-progress-track {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #e5e7f0;
}

.course-progress-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--dashboard-accent), var(--dashboard-accent-2));
}

.course-progress-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 650;
}

.course-progress-panel p strong {
  color: var(--dashboard-accent);
}

@media (max-width: 1120px) {
  .course-workspace-page {
    grid-template-rows: auto minmax(0, 1fr);
  }

  .workspace-topbar {
    grid-template-columns: auto minmax(220px, 1fr) auto;
  }

  .workspace-links {
    display: none;
  }

  .workspace-layout {
    grid-template-columns: minmax(210px, 270px) minmax(0, 1fr);
  }

  .workspace-course-tree {
    display: none;
  }
}

@media (max-width: 760px) {
  .workspace-topbar {
    grid-template-columns: 1fr auto;
    gap: 10px;
    padding: 10px 14px;
  }

  .workspace-course-switcher {
    grid-column: 1 / -1;
    order: 3;
  }

  .workspace-course-menu {
    width: calc(100vw - 28px);
  }

  .workspace-layout {
    grid-template-columns: 1fr;
  }

  .workspace-lessons {
    display: none;
  }

  .workspace-centre {
    padding: 0 16px 28px;
  }

  .workspace-centre-stack {
    width: 100%;
    transform: none;
  }

  .workspace-action-grid {
    grid-template-columns: 1fr;
  }

  .workspace-action-card {
    min-height: 118px;
  }
}

.landing-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 390px);
  align-content: center;
  align-items: stretch;
  gap: 28px;
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.landing-intro {
  display: grid;
  align-content: center;
  justify-items: start;
  gap: 16px;
  text-align: left;
}

.landing-intro h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  font-weight: 780;
  letter-spacing: 0;
  line-height: 0.96;
}

.landing-copy {
  max-width: 620px;
  margin: 0;
  color: var(--ink-2);
  font-size: clamp(1rem, 2vw, 1.22rem);
  font-weight: 650;
  line-height: 1.55;
}

.landing-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.landing-primary,
.landing-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 17px;
  border: 1px solid var(--stroke);
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 850;
  box-shadow: 0 12px 26px var(--soft-shadow);
}

.landing-primary {
  background: var(--ink);
  color: #ffffff;
}

.landing-secondary {
  background: #ffffff;
  color: var(--ink);
}

.course-choice-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.course-choice {
  display: grid;
  min-height: 280px;
  grid-template-rows: auto minmax(0, 1fr) auto;
  justify-items: start;
  gap: 24px;
  padding: 28px;
  border: 1px solid var(--stroke);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
  text-align: left;
  box-shadow: 0 18px 46px var(--soft-shadow);
  transition:
    border-color 140ms ease,
    box-shadow 140ms ease,
    transform 140ms ease;
}

.course-choice:hover {
  border-color: rgba(79, 70, 229, 0.28);
  box-shadow: 0 24px 58px var(--shadow);
}

.course-choice:active {
  transform: translateY(1px);
}

.course-icon {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border-radius: 20px;
  background: var(--blue-soft);
  color: var(--blue);
}

.course-copy {
  display: grid;
  gap: 10px;
  align-self: end;
}

.course-copy strong {
  max-width: 420px;
  color: var(--ink);
  font-size: clamp(1.6rem, 2.6vw, 2.35rem);
  font-weight: 790;
  letter-spacing: 0;
  line-height: 1;
}

.course-copy small {
  color: var(--muted);
  font-size: 0.96rem;
  font-weight: 700;
}

.course-action {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 142px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--blue);
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 850;
  box-shadow: 0 12px 26px rgba(47, 141, 242, 0.24);
}

.download-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  border-radius: inherit;
  background: rgba(10, 92, 202, 0.9);
  transition: width 180ms ease;
}

.download-text,
.download-icon {
  position: relative;
  z-index: 1;
}

.download-action.is-downloading {
  background: rgba(47, 141, 242, 0.26);
}

.download-action.is-complete {
  background: var(--green);
  box-shadow: 0 12px 26px rgba(25, 169, 116, 0.22);
}

.download-action.is-complete .download-fill {
  background: rgba(18, 133, 93, 0.9);
}

.download-action.is-error {
  background: #d64545;
  box-shadow: 0 12px 26px rgba(214, 69, 69, 0.18);
}

.download-action.is-error .download-fill {
  background: rgba(172, 46, 46, 0.92);
}

.disabled-course {
  cursor: not-allowed;
  filter: grayscale(1);
  opacity: 0.46;
}

.disabled-course:hover {
  border-color: var(--stroke);
  box-shadow: 0 18px 46px var(--soft-shadow);
}

.disabled-course .course-icon,
.disabled-course .course-action {
  background: #e4e8ec;
  color: #657384;
  box-shadow: none;
}

.hardware-profile {
  display: grid;
  align-content: start;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--stroke);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 18px 46px var(--soft-shadow);
}

.hardware-profile-head {
  display: grid;
  gap: 5px;
}

.profile-kicker {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.hardware-profile-head strong {
  color: var(--ink);
  font-size: 1.5rem;
  font-weight: 850;
}

.profile-mode-scale {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.profile-mode-scale span {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--stroke);
  border-radius: 8px;
  background: var(--shell-2);
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 850;
}

.profile-mode-scale span.is-active {
  background: var(--ink);
  color: #ffffff;
}

.hardware-profile.mode-standard .profile-mode-scale span.is-active {
  background: var(--green);
}

.hardware-profile.mode-edge .profile-mode-scale span.is-active {
  background: var(--amber);
}

.profile-facts {
  display: grid;
  gap: 8px;
  margin: 0;
}

.profile-facts div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 34px;
  padding: 8px 0;
  border-bottom: 1px solid var(--stroke);
}

.profile-facts dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 780;
}

.profile-facts dd {
  margin: 0;
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 850;
  text-align: right;
}

.hardware-profile p {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.92rem;
  font-weight: 680;
  line-height: 1.45;
}

.hardware-profile small {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 650;
  line-height: 1.4;
}

.landing-footer {
  gap: 18px;
  justify-content: center;
  min-height: 68px;
  padding: 16px 22px;
  border-top: 1px solid var(--stroke);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 720;
}

.landing-footer button {
  border: 0;
  background: transparent;
  cursor: pointer;
}

.simple-entry {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  width: min(980px, calc(100% - 48px));
  min-height: calc(100vh - 134px);
  min-height: calc(100dvh - 134px);
  place-items: center;
  padding: 42px 0;
}

.profile-backdrop {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 0;
  display: grid;
  justify-items: center;
  width: min(760px, 82vw);
  min-width: 0;
  gap: 5px;
  padding: 22px;
  border: 1px solid rgba(36, 56, 74, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.34);
  color: rgba(23, 32, 42, 0.58);
  text-align: center;
  box-shadow: 0 18px 44px rgba(31, 48, 64, 0.05);
  opacity: 0.46;
  transform: translate(-50%, -44%);
  pointer-events: none;
}

.profile-backdrop span {
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.profile-backdrop strong {
  font-size: clamp(2.6rem, 8vw, 6rem);
  font-weight: 860;
  line-height: 0.95;
}

.profile-backdrop small {
  font-size: 0.82rem;
  font-weight: 750;
}

.entry-card-stack {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(900px, 100%);
  justify-self: center;
  gap: 16px;
}

.entry-card {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  width: 100%;
  min-height: 132px;
  padding: 24px;
  border: 1px solid var(--stroke);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  text-align: left;
  box-shadow: 0 18px 46px var(--soft-shadow);
}

button.entry-card:hover {
  border-color: rgba(79, 70, 229, 0.3);
  box-shadow: 0 24px 58px var(--shadow);
}

.entry-icon {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border-radius: 8px;
  background: var(--blue-soft);
  color: var(--blue);
}

.entry-copy {
  display: grid;
  min-width: 0;
  gap: 7px;
}

.entry-copy strong {
  color: var(--ink);
  font-size: clamp(1.35rem, 3vw, 2.05rem);
  font-weight: 850;
  line-height: 1.08;
}

.entry-copy small {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 720;
  line-height: 1.35;
}

.entry-action,
.entry-primary,
.entry-secondary {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 16px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 850;
  white-space: nowrap;
}

.entry-action,
.entry-primary {
  background: var(--ink);
  color: #ffffff;
  box-shadow: 0 12px 26px rgba(31, 48, 64, 0.16);
}

.entry-secondary {
  border: 1px solid var(--stroke);
  background: #ffffff;
  color: var(--ink);
}

.entry-actions {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 9px;
}

.entry-card-passive {
  cursor: default;
}

.course-entry {
  display: grid;
  grid-template-columns: 1fr;
  width: min(980px, calc(100% - 48px));
  min-height: calc(100vh - 134px);
  min-height: calc(100dvh - 134px);
  align-content: start;
  justify-items: center;
  padding: clamp(24px, 4vh, 42px) 0 76px;
}

.course-catalog {
  display: grid;
  width: min(840px, 100%);
  gap: 18px;
  margin: 0 auto !important;
}

.course-catalog.is-auth-flow {
  width: min(460px, 100%);
  justify-items: stretch;
  gap: 12px;
}

.course-catalog h1 {
  margin: 0 0 4px;
  color: var(--ink);
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  font-weight: 780;
  line-height: 1;
  letter-spacing: 0;
}

.course-catalog.is-auth-flow h1 {
  display: none;
}

.course-catalog.is-prep-flow h1 {
  display: none;
}

.course-card-list {
  display: grid;
  gap: 12px;
  perspective: 900px;
}

.course-card-list.is-flipping-out .gcse-course-card,
.course-card-list.is-flipping-out .course-back-button,
.course-card-list.is-flipping-out .course-prep-panel,
.course-card-list.is-flipping-out .course-auth-panel {
  animation: course-card-fold-out 230ms cubic-bezier(0.4, 0, 0.2, 1) both;
}

.course-card-list.is-flipping-in .gcse-course-card,
.course-card-list.is-flipping-in .course-back-button,
.course-card-list.is-flipping-in .course-prep-panel,
.course-card-list.is-flipping-in .course-auth-panel {
  animation: course-card-fold-in 360ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.course-card-list.is-flipping-out .gcse-course-card:nth-child(2),
.course-card-list.is-flipping-in .gcse-course-card:nth-child(2) {
  animation-delay: 24ms;
}

.course-card-list.is-flipping-out .gcse-course-card:nth-child(3),
.course-card-list.is-flipping-in .gcse-course-card:nth-child(3) {
  animation-delay: 48ms;
}

.course-card-list.is-flipping-out .gcse-course-card:nth-child(4),
.course-card-list.is-flipping-in .gcse-course-card:nth-child(4) {
  animation-delay: 72ms;
}

.course-card-list.is-flipping-out .gcse-course-card:nth-child(5),
.course-card-list.is-flipping-in .gcse-course-card:nth-child(5) {
  animation-delay: 96ms;
}

.course-back-button {
  justify-self: start;
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  padding: 0 15px;
  border: 1px solid rgba(54, 85, 118, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink-2);
  font-size: 0.86rem;
  font-weight: 820;
  box-shadow: 0 8px 22px rgba(35, 62, 91, 0.055);
  transition:
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.course-back-button:hover {
  border-color: transparent;
  background:
    linear-gradient(rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.98)) padding-box,
    var(--blue-purple-gradient) border-box;
  color: var(--ink);
}

.gcse-course-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  width: 100%;
  min-height: 106px;
  padding: 24px 28px;
  border: 1px solid var(--stroke);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  box-shadow: var(--surface-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.82);
  transform-origin: 50% 50%;
  backdrop-filter: blur(10px);
  transition:
    background 140ms ease,
    border-color 140ms ease,
    box-shadow 140ms ease,
    transform 140ms ease;
}

.gcse-course-card::before {
  display: none;
  content: none;
}

.gcse-course-card::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.5);
  content: "";
}

.gcse-course-card:hover {
  border-color: var(--stroke-strong);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.9);
  transform: translateY(-1px);
}

.gcse-course-card:active {
  transform: translateY(0);
}

.gcse-course-copy {
  position: relative;
  z-index: 1;
  display: grid;
  min-width: 0;
  gap: 7px;
}

.gcse-course-copy strong {
  color: var(--ink);
  font-size: clamp(1.32rem, 3vw, 1.85rem);
  font-weight: 780;
  line-height: 1.05;
  background: none;
  background-clip: border-box;
  -webkit-background-clip: border-box;
  -webkit-text-fill-color: currentColor;
  transition: color 180ms ease;
}

.gcse-course-card.is-continue-card .gcse-course-copy strong,
.gcse-course-card:hover .gcse-course-copy strong,
.gcse-course-card:focus-visible .gcse-course-copy strong {
  color: transparent;
  background: var(--blue-purple-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gcse-course-copy small {
  color: var(--muted);
  font-size: 0.96rem;
  font-weight: 760;
  line-height: 1.35;
}

.course-prep-panel {
  display: grid;
  gap: 20px;
  min-height: 238px;
  align-content: center;
  padding: 30px;
  border: 1px solid rgba(47, 141, 242, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  box-shadow: 0 18px 48px var(--soft-shadow);
  transform-origin: 50% 50%;
}

.course-prep-copy {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.course-prep-copy strong {
  display: block;
  color: var(--ink);
  font-size: clamp(1.65rem, 4vw, 2.6rem);
  font-weight: 860;
  line-height: 1.04;
}

.course-prep-token {
  display: inline-block;
}

.course-prep-word {
  display: inline-block;
  white-space: nowrap;
}

.course-prep-copy small {
  color: var(--muted);
  font-size: 0.98rem;
  font-weight: 760;
  line-height: 1.35;
}

.course-prep-progress {
  position: relative;
  overflow: hidden;
  height: 13px;
  border: 1px solid rgba(47, 141, 242, 0.12);
  border-radius: 999px;
  background: #e9eef3;
}

.course-prep-progress span {
  position: relative;
  display: block;
  width: 0;
  min-width: 8px;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #2f8df2 0%, #2bbf9f 100%);
  transition: width 340ms ease;
}

.course-prep-progress span::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.45), transparent);
  transform: translateX(-100%);
  animation: course-progress-sheen 1.45s ease-in-out infinite;
}

.course-prep-panel p {
  margin: -4px 0 0;
  color: var(--ink-2);
  font-size: 0.95rem;
  font-weight: 760;
}

.course-auth-panel {
  display: grid;
  width: min(460px, 100%);
  justify-self: center;
  gap: 12px;
  min-height: 0;
  align-content: start;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  box-shadow: none;
  transform-origin: 50% 50%;
}

.course-auth-head {
  display: grid;
  justify-items: center;
  gap: 6px;
  text-align: center;
}

.course-auth-head small {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 760;
  line-height: 1.35;
}

.course-auth-status {
  min-height: 40px;
  padding: 11px 13px;
  border: 1px solid rgba(47, 141, 242, 0.14);
  border-radius: 8px;
  background: #f5faff;
  color: var(--ink-2);
  font-size: 0.9rem;
  font-weight: 800;
}

.course-auth-status.is-setup {
  border-color: rgba(224, 151, 51, 0.24);
  background: #fff7e8;
}

.course-auth-mount {
  display: grid;
  min-height: 86px;
  justify-items: center;
}

.course-auth-mount > * {
  max-width: 100%;
}

.course-auth-mount[data-social-auth="off"] .tenet-clerk-social-hidden,
.course-auth-mount[data-social-auth="off"] .cl-socialButtons,
.course-auth-mount[data-social-auth="off"] .cl-socialButtonsBlockButton,
.course-auth-mount[data-social-auth="off"] .cl-dividerRow,
.course-auth-mount[data-social-auth="off"] [class*="socialButtons"],
.course-auth-mount[data-social-auth="off"] [data-localization-key*="socialButtons"],
.course-auth-mount[data-social-auth="off"] [class*="divider"],
.course-auth-mount[data-social-auth="off"] [data-localization-key*="divider"] {
  display: none !important;
}

.course-auth-setup {
  display: grid;
  gap: 10px;
  padding: 16px;
  border: 1px dashed rgba(47, 141, 242, 0.2);
  border-radius: 8px;
  background: #fbfdff;
}

.course-auth-setup strong {
  font-size: 1rem;
  font-weight: 860;
}

.course-auth-setup p {
  max-width: 560px;
  margin: 0;
  color: var(--ink-2);
  font-size: 0.94rem;
  font-weight: 650;
  line-height: 1.45;
}

.course-auth-setup code {
  display: block;
  overflow-x: auto;
  padding: 10px 12px;
  border-radius: 8px;
  background: #eef4f8;
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 720;
  white-space: nowrap;
}

.course-auth-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.course-auth-link {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border: 1px solid var(--stroke);
  border-radius: 999px;
  background: #ffffff;
  color: var(--ink-2);
  font-size: 0.86rem;
  font-weight: 830;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.course-auth-link:hover {
  border-color: transparent;
  background:
    linear-gradient(rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.98)) padding-box,
    var(--blue-purple-gradient) border-box;
  color: var(--ink);
}

.gcse-course-button {
  display: inline-flex;
  min-width: 124px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--stroke);
  border-radius: 999px;
  background: var(--ink);
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 850;
  box-shadow: 0 12px 26px rgba(31, 48, 64, 0.16);
}

.gcse-course-button.secondary {
  background: #ffffff;
  color: var(--ink);
}

@keyframes course-card-fold-out {
  from {
    opacity: 1;
    transform: rotateX(0deg) translateY(0) scale(1);
    filter: blur(0);
  }

  to {
    opacity: 0;
    transform: rotateX(9deg) translateY(-10px) scale(0.985);
    filter: blur(2px);
  }
}

@keyframes course-card-fold-in {
  from {
    opacity: 0;
    transform: rotateX(-9deg) translateY(12px) scale(0.985);
    filter: blur(2px);
  }

  to {
    opacity: 1;
    transform: rotateX(0deg) translateY(0);
    filter: blur(0);
  }
}

@keyframes course-progress-sheen {
  0% {
    transform: translateX(-100%);
  }

  55%,
  100% {
    transform: translateX(100%);
  }
}

.info-main {
  display: grid;
  align-content: center;
  gap: 28px;
  width: min(920px, calc(100% - 48px));
  margin: 0 auto;
}

.info-intro {
  display: grid;
  gap: 12px;
}

.info-intro h1 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4.2rem);
  line-height: 1;
  letter-spacing: 0;
}

.info-intro p {
  max-width: 640px;
  margin: 0;
  color: var(--ink-2);
  font-size: 1.05rem;
  font-weight: 650;
  line-height: 1.5;
}

.info-list {
  display: grid;
  gap: 10px;
}

.info-row {
  display: grid;
  gap: 6px;
  padding: 18px;
  border: 1px solid var(--stroke);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
}

.info-row strong {
  font-size: 1rem;
}

.info-row p {
  margin: 0;
  color: var(--ink-2);
  font-weight: 620;
  line-height: 1.45;
}

.docs-main {
  display: grid;
  align-content: start;
  gap: 22px;
  width: min(940px, calc(100% - 48px));
  min-height: calc(100vh - 134px);
  min-height: calc(100dvh - 134px);
  margin: 0 auto;
  padding: clamp(44px, 7vh, 72px) 0 48px;
}

.docs-hero {
  display: grid;
  gap: 10px;
  max-width: 740px;
  margin-bottom: 4px;
}

.docs-hero h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(3.7rem, 9vw, 6.7rem);
  font-weight: 820;
  line-height: 0.92;
  letter-spacing: 0;
}

.docs-hero .eyebrow {
  text-align: left;
}

.docs-hero p:last-child {
  max-width: 680px;
  margin: 0;
  color: var(--ink-2);
  font-size: clamp(1.05rem, 2vw, 1.24rem);
  font-weight: 670;
  line-height: 1.45;
}

.docs-card-list {
  position: relative;
  display: grid;
  gap: 11px;
  perspective: 900px;
}

.docs-card-list.is-flipping-out .docs-card,
.docs-card-list.is-flipping-out .docs-reader {
  animation: course-card-fold-out 230ms cubic-bezier(0.4, 0, 0.2, 1) both;
}

.docs-card-list.is-flipping-in .docs-card,
.docs-card-list.is-flipping-in .docs-reader {
  animation: course-card-fold-in 360ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.docs-card-list.is-flipping-out .docs-card:nth-child(2),
.docs-card-list.is-flipping-in .docs-card:nth-child(2) {
  animation-delay: 28ms;
}

.docs-card-list.is-flipping-out .docs-card:nth-child(3),
.docs-card-list.is-flipping-in .docs-card:nth-child(3) {
  animation-delay: 56ms;
}

.docs-card-list.is-flipping-out .docs-card:nth-child(4),
.docs-card-list.is-flipping-in .docs-card:nth-child(4) {
  animation-delay: 84ms;
}

.docs-card-list.is-joining-cards .docs-card {
  pointer-events: none;
  border-color: transparent !important;
  background: transparent !important;
  box-shadow: none !important;
  transform: none !important;
}

.docs-card-list.is-joining-cards .docs-card::after {
  opacity: 0;
}

.docs-card-list.is-joining-cards .docs-card-icon,
.docs-card-list.is-joining-cards .docs-card-copy {
  opacity: 0;
  transform: translateY(-3px);
  transition:
    opacity 220ms ease,
    transform 220ms ease;
}

.docs-join-layer,
.docs-join-connector {
  position: absolute;
  pointer-events: none;
}

.docs-join-layer {
  z-index: 0;
  overflow: hidden;
  border: 1px solid var(--stroke-strong);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(37, 99, 235, 0.045), transparent 31%),
    rgba(255, 255, 255, 0.9);
  box-shadow: 0 18px 48px rgba(17, 24, 39, 0.08);
  animation: docs-join-shell 220ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.docs-join-connector {
  z-index: 0;
  border-right: 1px solid var(--stroke-strong);
  border-left: 1px solid var(--stroke-strong);
  background: rgba(255, 255, 255, 0.9);
  transform: scaleY(0);
  transform-origin: 50% 50%;
  animation: docs-join-connector-fill 200ms cubic-bezier(0.22, 1, 0.36, 1) 20ms both;
}

.docs-card-list.is-reader-entering .docs-reader .docs-card-icon,
.docs-card-list.is-reader-entering .docs-reader-copy > small,
.docs-card-list.is-reader-entering .docs-reader-copy > h2 {
  animation: token-fade-in 400ms ease-out both;
}

.docs-card-list.is-reader-entering .docs-reader .docs-card-icon {
  animation-delay: 0ms;
}

.docs-card-list.is-reader-entering .docs-reader-copy > small {
  animation-delay: 0ms;
}

.docs-card-list.is-reader-entering .docs-reader-copy > h2 {
  animation-delay: 0ms;
}

.docs-card-list.is-reader-entering .docs-back-card {
  animation: course-card-fold-in 360ms cubic-bezier(0.2, 0.8, 0.2, 1) 90ms both;
}

.docs-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  width: 100%;
  min-height: 102px;
  padding: 18px 24px;
  border: 1px solid var(--stroke);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  text-align: left;
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.045);
  transform-origin: 50% 50%;
  transition:
    background 150ms ease,
    border-color 150ms ease,
    box-shadow 150ms ease,
    transform 150ms ease;
}

.docs-card::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.64);
  content: "";
}

.docs-card:hover {
  border-color: rgba(79, 70, 229, 0.36);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 14px 34px rgba(79, 70, 229, 0.075), inset 0 1px 0 rgba(255, 255, 255, 0.92);
  transform: translateY(-1px);
}

.docs-card:active {
  transform: translateY(0);
}

.docs-card-icon {
  position: relative;
  z-index: 1;
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid var(--stroke);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.045);
}

.docs-card-copy {
  position: relative;
  z-index: 1;
  display: grid;
  min-width: 0;
  gap: 5px;
}

.docs-card-copy small {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 840;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.docs-card-copy strong {
  color: var(--ink);
  font-size: clamp(1.12rem, 2.2vw, 1.45rem);
  font-weight: 820;
  line-height: 1.1;
  transition: color 180ms ease;
}

.docs-card:hover .docs-card-copy strong,
.docs-card:focus-visible .docs-card-copy strong {
  color: transparent;
  background: var(--blue-purple-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.docs-card-copy span {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 650;
  line-height: 1.42;
}

.docs-reader {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  height: var(--docs-reader-height, 360px);
  min-height: 0;
  padding: 24px;
  border: 1px solid var(--stroke);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 14px 34px rgba(17, 24, 39, 0.065);
  transform-origin: 50% 50%;
}

.docs-reader-copy {
  display: grid;
  align-content: start;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 10px;
  min-width: 0;
  min-height: 0;
}

.docs-reader-copy small {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 840;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.docs-reader-copy h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  font-weight: 820;
  line-height: 1.05;
}

.docs-reader-text {
  display: grid;
  gap: 12px;
  min-height: 0;
  max-height: var(--docs-reader-text-max, none);
  overflow-y: auto;
  padding-top: 6px;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: rgba(100, 116, 139, 0.42) transparent;
}

.docs-reader-text::-webkit-scrollbar {
  width: 7px;
}

.docs-reader-text::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(100, 116, 139, 0.38);
}

.docs-reader-text::-webkit-scrollbar-track {
  background: transparent;
}

.docs-reader-text p {
  margin: 0;
  color: var(--ink-2);
  font-size: clamp(0.96rem, 1.35vw, 1.04rem);
  font-weight: 590;
  line-height: 1.62;
}

.docs-reader-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 4px;
}

.docs-reader-action {
  appearance: none;
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--stroke-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 820;
  text-decoration: none;
  box-shadow: 0 10px 22px rgba(17, 24, 39, 0.06);
  transition:
    border-color 150ms ease,
    color 180ms ease,
    box-shadow 150ms ease,
    transform 150ms ease;
}

.docs-reader-action:hover {
  border-color: rgba(79, 70, 229, 0.52);
  color: var(--ink);
  box-shadow: 0 14px 28px rgba(17, 24, 39, 0.1);
  transform: translateY(-1px);
}

.docs-reader-action:hover span {
  color: transparent;
  background: var(--blue-purple-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.docs-reader-action.is-primary {
  border-color: rgba(79, 70, 229, 0.55);
  background: var(--blue-purple-gradient);
  color: #ffffff;
  box-shadow: 0 14px 30px rgba(79, 70, 229, 0.22);
}

.docs-reader-action .icon {
  width: 16px;
  height: 16px;
}

.contact-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(248, 250, 252, 0.58);
  backdrop-filter: blur(10px);
}

.contact-modal {
  display: grid;
  width: min(520px, 100%);
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--stroke-strong);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 28px 70px rgba(17, 24, 39, 0.18);
}

.contact-modal-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 18px;
}

.contact-modal-head small {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 840;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.contact-modal-head h2 {
  margin: 4px 0 0;
  color: var(--ink);
  font-size: clamp(1.6rem, 4vw, 2.25rem);
  font-weight: 820;
  line-height: 1;
}

.contact-modal-close {
  appearance: none;
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--stroke);
  border-radius: 8px;
  background: rgba(248, 250, 252, 0.86);
  color: var(--ink);
  cursor: pointer;
  transition:
    border-color 160ms ease,
    color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.contact-modal-close:hover {
  border-color: rgba(79, 70, 229, 0.36);
  color: #4f46e5;
  box-shadow: 0 10px 22px rgba(79, 70, 229, 0.1);
  transform: translateY(-1px);
}

.contact-suggestion-form {
  display: grid;
  gap: 14px;
}

.contact-suggestion-form label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 820;
}

.contact-suggestion-form select,
.contact-suggestion-form textarea {
  width: 100%;
  border: 1px solid var(--stroke);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  font: inherit;
  font-size: 0.96rem;
  font-weight: 650;
  outline: none;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.contact-suggestion-form select:focus,
.contact-suggestion-form textarea:focus {
  border-color: rgba(79, 70, 229, 0.44);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.contact-suggestion-form select {
  min-height: 42px;
  padding: 0 12px;
}

.contact-suggestion-form textarea {
  min-height: 142px;
  resize: vertical;
  padding: 12px;
  line-height: 1.45;
}

.contact-modal-status {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 720;
  line-height: 1.35;
}

.contact-modal-status.is-error {
  color: #b91c1c;
}

.contact-modal-status.is-sent {
  color: #166534;
}

.contact-modal-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.docs-reader-token,
.docs-reader-word {
  display: inline-block;
}

.docs-reader-measure {
  position: absolute;
  left: 0;
  top: 0;
  z-index: -1;
  height: auto;
  min-height: 0;
  pointer-events: none;
  visibility: hidden;
}

.docs-reader-measure .docs-reader-text {
  max-height: none;
  overflow: visible;
}

@keyframes docs-join-shell {
  from {
    opacity: 0;
    height: var(--docs-join-from-height, auto);
    clip-path: inset(0 0 0 0 round 8px);
  }

  to {
    opacity: 1;
    height: var(--docs-join-target-height, auto);
    clip-path: inset(0 0 0 0 round 8px);
  }
}

@keyframes docs-join-connector-fill {
  from {
    opacity: 0;
    transform: scaleY(0);
  }

  to {
    opacity: 1;
    transform: scaleY(1);
  }
}

.topbar {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(220px, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 10px 18px;
  border-bottom: 1px solid var(--stroke);
  background: var(--shell);
}

.subject-pill,
.nav-pill,
.round-button,
.stat-pill,
.user-pill,
.choose-button,
.start-button,
.quick-card,
.mode-button,
.send-button,
.edge-tab,
.tool-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--stroke);
  background: #ffffff;
  color: var(--ink);
  box-shadow: 0 8px 22px var(--soft-shadow);
  transition:
    border-color 140ms ease,
    background 140ms ease,
    box-shadow 140ms ease,
    color 140ms ease;
}

.subject-pill:hover,
.nav-pill:hover,
.round-button:hover,
.user-pill:hover,
.choose-button:hover,
.start-button:hover,
.quick-card:hover,
.mode-button:hover,
.send-button:hover,
.edge-tab:hover,
.tool-button:hover {
  border-color: rgba(79, 70, 229, 0.28);
  background: #fbfdff;
  box-shadow: 0 12px 28px var(--shadow);
}

.subject-pill:active,
.nav-pill:active,
.round-button:active,
.user-pill:active,
.choose-button:active,
.start-button:active,
.quick-card:active,
.mode-button:active,
.send-button:active,
.edge-tab:active,
.tool-button:active {
  transform: translateY(1px);
  box-shadow: 0 6px 16px var(--soft-shadow);
}

.subject-pill {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 22px;
  gap: 12px;
  width: 100%;
  height: 56px;
  padding: 6px 12px;
  border-radius: 18px;
  text-align: left;
}

.icon-tile,
.quick-icon {
  display: grid;
  place-items: center;
}

.icon-tile {
  width: 44px;
  height: 44px;
  border-radius: 15px;
  background: var(--blue-soft);
  color: var(--blue);
}

.pill-copy,
.quick-copy,
.node-copy,
.lesson-title {
  display: grid;
  min-width: 0;
}

.pill-copy strong,
.pill-copy small,
.quick-copy strong,
.quick-copy small,
.node-copy strong,
.node-copy small,
.lesson-title strong,
.lesson-title span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pill-copy strong {
  font-size: 0.92rem;
  font-weight: 850;
}

.pill-copy small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 650;
}

.top-actions,
.profile-strip {
  display: flex;
  align-items: center;
  min-width: 0;
}

.top-actions {
  justify-content: center;
  gap: 10px;
}

.profile-strip {
  justify-content: end;
  gap: 9px;
}

.nav-pill,
.user-pill,
.stat-pill {
  height: 42px;
  gap: 8px;
  padding: 0 14px;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 800;
  white-space: nowrap;
}

.round-button {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 999px;
}

.streak {
  border-color: rgba(226, 163, 38, 0.24);
  background: #fff9e9;
  color: #8a641a;
}

.level {
  border-color: rgba(25, 169, 116, 0.22);
  background: #eafaf3;
  color: #157a56;
}

.dashboard-grid {
  display: grid;
  min-height: 0;
  grid-template-columns: minmax(220px, 17%) minmax(0, 1fr) clamp(360px, 31vw, 460px);
  overflow: hidden;
}

.side-panel {
  position: relative;
  min-height: 0;
  padding: 22px 20px;
  overflow: hidden;
  background: var(--shell);
  color: var(--ink);
}

.recent-panel {
  border-right: 1px solid var(--stroke);
}

.course-panel {
  border-left: 1px solid var(--stroke);
  padding: 18px 18px 26px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(239, 246, 251, 0.96)),
    #f3f8fb;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.course-panel::-webkit-scrollbar {
  width: 10px;
}

.course-panel::-webkit-scrollbar-thumb {
  border: 3px solid transparent;
  border-radius: 999px;
  background: rgba(105, 125, 144, 0.34);
  background-clip: padding-box;
}

.panel-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--muted);
}

.panel-heading h2 {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.quiet-empty {
  display: grid;
  gap: 6px;
  padding: 18px;
  border: 1px dashed rgba(36, 56, 74, 0.16);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.56);
}

.quiet-empty strong {
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 820;
}

.quiet-empty span {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.dashboard-core {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background:
    linear-gradient(var(--paper-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper-line) 1px, transparent 1px),
    linear-gradient(var(--paper-line-strong) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper-line-strong) 1px, transparent 1px),
    var(--paper);
  background-size: 28px 28px, 28px 28px, 140px 140px, 140px 140px, auto;
  animation: paper-drift 9s linear infinite;
}

.dashboard-core {
  display: grid;
  place-items: center;
}

.lesson-canvas {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background:
    linear-gradient(var(--paper-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper-line) 1px, transparent 1px),
    linear-gradient(var(--paper-line-strong) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper-line-strong) 1px, transparent 1px),
    var(--paper);
  background-size: 28px 28px, 28px 28px, 140px 140px, 140px 140px, auto;
}

.paper-motion {
  display: none;
}

.hero-stack {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(90%, 820px);
  justify-items: center;
  gap: 16px;
  transform: translateY(-2.5vh);
}

.eyebrow,
.hero-stack h1,
.hero-copy {
  margin: 0;
  text-align: center;
}

.eyebrow {
  color: transparent;
  background: var(--blue-purple-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero-stack h1 {
  max-width: 780px;
  color: var(--ink);
  font-size: clamp(2.45rem, 5vw, 5rem);
  font-weight: 780;
  letter-spacing: -0.035em;
  line-height: 0.96;
}

.hero-copy {
  max-width: 620px;
  color: var(--ink-2);
  font-size: 1rem;
  font-weight: 560;
  line-height: 1.45;
}

.ask-bar {
  position: relative;
  isolation: isolate;
  display: grid;
  width: min(100%, 760px);
  min-height: 76px;
  grid-template-columns: 56px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  box-shadow: 0 20px 46px rgba(31, 48, 64, 0.13);
}

.ask-bar::before {
  content: "";
  position: absolute;
  inset: -2px;
  z-index: -2;
  border-radius: inherit;
  background:
    radial-gradient(circle at 9% 48%, rgba(57, 214, 255, 0.92), transparent 23%),
    radial-gradient(circle at 44% 0%, rgba(255, 255, 255, 0.86), transparent 18%),
    radial-gradient(circle at 70% 98%, rgba(248, 91, 190, 0.78), transparent 25%),
    radial-gradient(circle at 99% 45%, rgba(255, 180, 63, 0.9), transparent 28%),
    conic-gradient(from 206deg at 50% 50%,
      rgba(51, 128, 255, 0.9),
      rgba(57, 214, 255, 0.92),
      rgba(255, 255, 255, 0.82),
      rgba(255, 187, 62, 0.86),
      rgba(248, 91, 190, 0.86),
      rgba(134, 91, 255, 0.78),
      rgba(51, 128, 255, 0.9));
  filter: blur(3px) saturate(1.28);
  opacity: 0.64;
  pointer-events: none;
}

.ask-bar::after {
  content: "";
  position: absolute;
  inset: 4px;
  z-index: -1;
  border-radius: inherit;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(250, 252, 254, 0.94)),
    #ffffff;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    inset 0 -1px 0 rgba(36, 56, 74, 0.06);
  pointer-events: none;
}

.ask-search {
  display: grid;
  width: 56px;
  height: 56px;
  place-items: center;
  color: var(--muted);
}

.ask-bar input {
  min-width: 0;
  height: 56px;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 680;
}

.ask-bar input::placeholder {
  color: rgba(51, 65, 85, 0.58);
}

.choose-button,
.start-button {
  height: 56px;
  gap: 8px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 820;
  white-space: nowrap;
}

.choose-button {
  min-width: 118px;
  padding: 0 16px;
  background: #f4f8fb;
  color: var(--ink-2);
  box-shadow: none;
}

.start-button {
  min-width: 112px;
  padding: 0 22px;
  border-color: transparent;
  background: var(--blue-purple-gradient);
  color: #ffffff;
  box-shadow: 0 12px 26px rgba(79, 70, 229, 0.25);
}

.start-button:hover {
  background: var(--blue-purple-gradient);
  color: #ffffff;
}

.quick-actions {
  display: grid;
  width: min(100%, 780px);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 6px;
}

.quick-card {
  display: grid;
  min-height: 88px;
  grid-template-columns: 48px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  padding: 15px;
  border-radius: 24px;
  text-align: left;
  background: rgba(255, 255, 255, 0.82);
}

.quick-icon {
  width: 48px;
  height: 48px;
  border-radius: 17px;
}

.sky .quick-icon {
  background: #e7f3ff;
  color: #2376d8;
}

.gold .quick-icon {
  background: #fff4d8;
  color: #a57012;
}

.green .quick-icon {
  background: #e8f9f2;
  color: #13875f;
}

.quick-copy {
  gap: 5px;
}

.quick-copy strong {
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 820;
  white-space: normal;
  line-height: 1.1;
}

.quick-copy small {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 620;
  white-space: normal;
  line-height: 1.18;
}

.course-overview {
  position: sticky;
  z-index: 5;
  top: 0;
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  padding: 12px;
  border: 1px solid rgba(36, 56, 74, 0.1);
  border-radius: 12px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(249, 252, 254, 0.9)),
    #ffffff;
  box-shadow: 0 18px 34px rgba(36, 56, 74, 0.1);
  backdrop-filter: blur(18px);
}

.course-mascot {
  display: grid;
  width: 58px;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(180deg, #67d86f, #19a974);
  color: #ffffff;
  box-shadow: inset 0 -6px 0 rgba(18, 133, 93, 0.48), 0 12px 20px rgba(25, 169, 116, 0.22);
}

.course-overview-copy {
  display: grid;
  min-width: 0;
  gap: 3px;
}

.course-overview-copy strong {
  overflow: hidden;
  color: var(--ink);
  font-size: 0.96rem;
  font-weight: 900;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.course-overview-copy small {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.course-stats {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.course-stat {
  display: grid;
  justify-items: center;
  gap: 1px;
  padding: 7px 8px;
  border: 1px solid rgba(36, 56, 74, 0.08);
  border-radius: 8px;
  background: #f6faff;
}

.course-stat strong {
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 900;
}

.course-stat small {
  color: var(--muted);
  font-size: 0.58rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.course-progress-bar {
  grid-column: 1 / -1;
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #dfe9f1;
  box-shadow: inset 0 1px 2px rgba(36, 56, 74, 0.1);
}

.course-progress-bar span {
  display: block;
  width: var(--course-progress);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #67d86f, #2f8df2);
  box-shadow: inset 0 -2px 0 rgba(36, 56, 74, 0.14);
}

.course-overview-foot {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.25;
}

.course-map {
  display: grid;
  gap: 18px;
  padding-bottom: 28px;
}

.course-unit {
  display: grid;
  gap: 14px;
}

.unit-banner {
  position: relative;
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  overflow: hidden;
  border-radius: 12px;
  background:
    radial-gradient(circle at 100% 0%, rgba(255, 255, 255, 0.42), transparent 30%),
    linear-gradient(135deg, #2f8df2, #19a974);
  color: #ffffff;
  box-shadow: inset 0 -5px 0 rgba(23, 106, 194, 0.28), 0 16px 30px rgba(47, 141, 242, 0.18);
}

.unit-banner::after {
  content: "";
  position: absolute;
  right: 15px;
  top: 15px;
  width: 46px;
  height: 46px;
  border: 2px solid rgba(255, 255, 255, 0.34);
  border-radius: 16px;
  transform: rotate(12deg);
}

.unit-banner .unit-number,
.unit-banner small {
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  opacity: 0.9;
  text-transform: uppercase;
}

.unit-banner strong {
  font-size: 1.06rem;
  font-weight: 930;
}

.unit-path {
  position: relative;
  height: var(--path-height);
  min-height: 360px;
  margin: 0 -2px;
}

.path-ribbon {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.path-ribbon path {
  fill: none;
  vector-effect: non-scaling-stroke;
}

.path-shadow {
  stroke: rgba(36, 56, 74, 0.08);
  stroke-linecap: round;
  stroke-width: 19;
}

.path-base {
  stroke: #d8e5ee;
  stroke-linecap: round;
  stroke-width: 12;
}

.path-open {
  stroke: #8bd7ff;
  stroke-dasharray: 1 23;
  stroke-linecap: round;
  stroke-width: 12;
}

.course-node {
  position: absolute;
  z-index: 2;
  top: var(--node-y);
  left: var(--node-x);
  display: grid;
  width: min(210px, 66%);
  justify-items: center;
  gap: 7px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  text-align: center;
  transform: translateX(-50%);
  box-shadow: none;
}

.course-node:hover {
  background: transparent;
  box-shadow: none;
}

.course-node:disabled {
  cursor: not-allowed;
}

.node-marker {
  position: relative;
  display: grid;
  width: 72px;
  aspect-ratio: 1;
  place-items: center;
  border: 3px solid #1f76d2;
  border-radius: 999px;
  background: linear-gradient(180deg, #55a8ff, #2f8df2);
  color: #ffffff;
  box-shadow:
    inset 0 -8px 0 rgba(23, 106, 194, 0.58),
    0 10px 0 rgba(23, 106, 194, 0.16),
    0 16px 28px rgba(47, 141, 242, 0.26);
}

.course-node:not(:disabled):hover .node-marker {
  transform: translateY(-2px);
}

.course-node:not(:disabled):active .node-marker {
  transform: translateY(3px);
  box-shadow:
    inset 0 -4px 0 rgba(23, 106, 194, 0.58),
    0 5px 0 rgba(23, 106, 194, 0.16),
    0 10px 18px rgba(47, 141, 242, 0.2);
}

.course-glyph {
  width: 34px;
  height: 34px;
  overflow: visible;
}

.mascot-glyph {
  width: 43px;
  height: 43px;
}

.glyph-ink,
.glyph-ink-shape {
  fill: none;
  stroke: currentColor;
  stroke-width: 2.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.glyph-ink-shape {
  fill: currentColor;
  opacity: 0.16;
}

.glyph-fill {
  fill: currentColor;
}

.glyph-fill-light {
  fill: currentColor;
  opacity: 0.16;
}

.glyph-dot {
  fill: currentColor;
}

.glyph-cut {
  fill: none;
  stroke: #ffffff;
  stroke-width: 2.8;
  stroke-linecap: round;
}

.glyph-light {
  fill: none;
  stroke: rgba(255, 255, 255, 0.72);
  stroke-width: 2.6;
  stroke-linecap: round;
}

.node-level {
  position: absolute;
  right: -6px;
  bottom: -4px;
  display: grid;
  min-width: 24px;
  height: 24px;
  place-items: center;
  padding: 0 6px;
  border: 2px solid rgba(255, 255, 255, 0.95);
  border-radius: 999px;
  background: #ffffff;
  color: #176ac2;
  font-size: 0.72rem;
  font-weight: 950;
  box-shadow: 0 6px 12px rgba(36, 56, 74, 0.12);
}

.course-node.mastered .node-marker {
  border-color: #12855d;
  background: linear-gradient(180deg, #6be374, #21b877);
  box-shadow:
    inset 0 -8px 0 rgba(13, 112, 75, 0.54),
    0 10px 0 rgba(13, 112, 75, 0.14),
    0 16px 28px rgba(25, 169, 116, 0.24);
}

.course-node.mastered .node-level {
  color: #12855d;
}

.course-node.current .node-marker {
  width: 82px;
  border-color: #176ac2;
  background: linear-gradient(180deg, #6ab5ff, #2f8df2);
  box-shadow:
    0 0 0 8px rgba(47, 141, 242, 0.12),
    inset 0 -9px 0 rgba(23, 106, 194, 0.62),
    0 11px 0 rgba(23, 106, 194, 0.18),
    0 18px 32px rgba(47, 141, 242, 0.3);
}

.course-node.gate .node-marker {
  border-color: #b58113;
  border-radius: 20px;
  background: linear-gradient(180deg, #ffd66f, #e0a92d);
  color: #6b4810;
  box-shadow:
    inset 0 -8px 0 rgba(138, 100, 26, 0.36),
    0 10px 0 rgba(138, 100, 26, 0.12),
    0 16px 26px rgba(224, 169, 45, 0.18);
}

.course-node.locked {
  color: #8b98a5;
}

.course-node.locked .node-marker {
  border-color: #d2dde6;
  background: linear-gradient(180deg, #f3f7fa, #e4ebf1);
  color: #9aa7b4;
  box-shadow:
    inset 0 -8px 0 rgba(117, 132, 146, 0.12),
    0 8px 0 rgba(117, 132, 146, 0.08),
    0 12px 22px rgba(36, 56, 74, 0.08);
}

.course-node.locked .node-level {
  color: #97a5b2;
}

.node-copy {
  position: relative;
  display: grid;
  width: min(190px, 100%);
  min-width: 0;
  gap: 4px;
  justify-items: center;
  padding: 10px 11px;
  border: 1px solid rgba(36, 56, 74, 0.08);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 24px rgba(36, 56, 74, 0.08);
}

.node-copy::before {
  content: "";
  position: absolute;
  top: -7px;
  width: 12px;
  height: 12px;
  border-top: 1px solid rgba(36, 56, 74, 0.08);
  border-left: 1px solid rgba(36, 56, 74, 0.08);
  background: inherit;
  transform: rotate(45deg);
}

.course-node:not(:disabled):hover .node-copy {
  border-color: rgba(79, 70, 229, 0.2);
  background: #ffffff;
}

.node-kicker,
.node-status {
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.node-copy strong {
  overflow: hidden;
  max-width: 100%;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 920;
  line-height: 1.08;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.node-copy small {
  display: -webkit-box;
  overflow: hidden;
  max-width: 100%;
  max-height: 0;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 680;
  line-height: 1.18;
  opacity: 0;
  transform: translateY(-3px);
  transition:
    max-height 160ms ease,
    opacity 140ms ease,
    transform 160ms ease;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.course-node:hover .node-copy small,
.course-node:focus .node-copy small,
.course-node:focus-visible .node-copy small {
  max-height: 40px;
  opacity: 1;
  transform: translateY(0);
}

.node-status {
  padding: 5px 8px;
  border-radius: 999px;
  background: #edf6ff;
  color: #176ac2;
  letter-spacing: 0.04em;
}

.course-node.mastered .node-status {
  background: #e8f9f2;
  color: #12855d;
}

.course-node.gate .node-status {
  background: #fff4d8;
  color: #8a641a;
}

.course-node.locked .node-status {
  background: #edf1f4;
  color: #82909d;
}

.lesson-page {
  grid-template-columns: clamp(380px, 30vw, 480px) minmax(0, 1fr) 68px;
  background: #ffffff;
}

.lesson-chat,
.tool-rail {
  min-width: 0;
  min-height: 0;
  height: 100%;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  backdrop-filter: blur(18px);
}

.lesson-chat {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  border-right: 1px solid var(--stroke);
}

.lesson-header {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  grid-template-areas:
    "back title end"
    "focus focus focus";
  align-items: center;
  gap: 10px 12px;
  min-height: 96px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--stroke);
}

.lesson-header .back-button {
  grid-area: back;
}

.lesson-focus-button {
  grid-area: focus;
  display: inline-grid;
  grid-auto-flow: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 38px;
  width: max-content;
  padding: 0 14px;
  border: 1px solid rgba(148, 163, 184, 0.72);
  border-radius: 999px;
  background: #ffffff;
  color: var(--ink-2);
  font-size: 0.78rem;
  font-weight: 850;
  white-space: nowrap;
  transition:
    border-color 160ms ease,
    color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.lesson-focus-button .icon {
  width: 16px;
  height: 16px;
}

.lesson-focus-button:hover,
.lesson-focus-button[aria-pressed="true"] {
  border-color: rgba(79, 70, 229, 0.34);
  color: #4f46e5;
  box-shadow: 0 10px 22px rgba(79, 70, 229, 0.1);
}

.lesson-end-button {
  grid-area: end;
  min-height: 38px;
  min-width: 58px;
  padding: 0 13px;
  border: 1px solid var(--stroke);
  border-radius: 999px;
  background: #ffffff;
  color: var(--ink-2);
  font-size: 0.78rem;
  font-weight: 850;
  transition:
    border-color 160ms ease,
    color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.lesson-end-button:hover {
  border-color: rgba(79, 70, 229, 0.36);
  color: #4f46e5;
  box-shadow: 0 10px 22px rgba(79, 70, 229, 0.1);
}

.lesson-title {
  grid-area: title;
  display: grid;
  gap: 2px;
  min-width: 0;
}

.lesson-title strong {
  min-width: 0;
  overflow: hidden;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 880;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lesson-title span {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.77rem;
  font-weight: 620;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-stream {
  display: grid;
  align-content: start;
  gap: 11px;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 18px 18px 16px;
}

.chat-message {
  box-sizing: border-box;
  min-width: 0;
  max-width: 100%;
  padding: 13px 15px;
  border: 1px solid rgba(203, 213, 225, 0.9);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink-2);
  font-size: 0.92rem;
  font-weight: 560;
  line-height: 1.38;
}

.chat-label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chat-message.student {
  justify-self: end;
  max-width: 88%;
  border-color: rgba(79, 70, 229, 0.22);
  background:
    linear-gradient(135deg, rgba(124, 58, 237, 0.08), rgba(37, 99, 235, 0.08)),
    #ffffff;
}

.chat-message.assistant {
  justify-self: start;
  width: 100%;
}

.chat-message.is-streaming {
  contain: layout paint style;
}

.chat-response-actions {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.chat-response-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.chat-response-row button,
.chat-report-box button {
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(203, 213, 225, 0.86);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink-2);
  font-size: 0.76rem;
  font-weight: 850;
  transition:
    border-color 160ms ease,
    color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.chat-response-row button:hover,
.chat-report-box button:hover {
  border-color: rgba(79, 70, 229, 0.3);
  color: #4f46e5;
  box-shadow: 0 8px 18px rgba(79, 70, 229, 0.1);
  transform: translateY(-1px);
}

.chat-response-row button svg {
  width: 14px;
  height: 14px;
}

.chat-response-status {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 780;
}

.chat-report-box {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid rgba(203, 213, 225, 0.84);
  border-radius: 13px;
  background: rgba(248, 250, 252, 0.82);
}

.chat-report-box textarea {
  width: 100%;
  min-height: 82px;
  resize: vertical;
  border: 1px solid rgba(203, 213, 225, 0.9);
  border-radius: 10px;
  padding: 10px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  font-size: 0.84rem;
  outline: none;
}

.chat-report-box textarea:focus {
  border-color: rgba(79, 70, 229, 0.45);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.message-markdown {
  display: grid;
  gap: 8px;
  min-width: 0;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: normal;
}

.message-markdown p,
.message-markdown ul,
.message-markdown ol,
.docs-reader-text h3,
.docs-reader-text h4 {
  margin-top: 0.8rem;
  margin-bottom: 0.4rem;
  font-size: 1.3em;
}

.message-markdown p,
.message-markdown li {
  font-size: 1rem;
}

.message-markdown h3,
.message-markdown h4 {
  margin: 0;
}

.message-markdown ul,
.message-markdown ol {
  min-width: 0;
  padding-left: 1.25rem;
}

.message-markdown p,
.message-markdown li,
.docs-reader-text h3,
.docs-reader-text h4 {
  margin-top: 0.8rem;
  margin-bottom: 0.4rem;
  font-size: 1.3em;
}

.message-markdown p,
.message-markdown li {
  font-size: 1rem;
}

.message-markdown h3,
.message-markdown h4 {
  min-width: 0;
  max-width: 100%;
}

.message-markdown li + li {
  margin-top: 4px;
}

.message-markdown strong {
  color: var(--ink);
  font-weight: 850;
}

.message-markdown code {
  padding: 2px 5px;
  border-radius: 5px;
  background: #eef3f8;
  color: var(--ink);
  font-size: 0.9em;
}

.message-markdown .katex {
  font-size: 1.02em;
}

.message-markdown .katex-display {
  margin: 8px 0;
  max-width: 100%;
  overflow: hidden;
  text-align: center;
}

.message-markdown .katex-display > .katex {
  display: inline-block;
  max-width: 100%;
  font-size: var(--math-fit-size, 1em);
  white-space: nowrap;
}

.streaming-markdown {
  display: block;
}

.streaming-text {
  margin: 0;
  white-space: pre-wrap;
}

.token-fade {
  animation: token-fade-in var(--token-fade-duration, 400ms) ease-out both;
}

.composer {
  display: grid;
  gap: 11px;
  margin: 0 18px 18px;
  padding: 12px;
  border: 1px solid rgba(148, 163, 184, 0.72);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow:
    0 20px 44px rgba(15, 23, 42, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.composer textarea {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 56px;
  max-height: 220px;
  resize: none;
  border: 0;
  outline: none;
  overflow: hidden;
  padding: 5px 8px 0;
  background: transparent;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 620;
  line-height: 1.45;
}

.composer textarea::placeholder {
  color: var(--quiet);
}

.composer-controls {
  display: grid;
  grid-template-columns: 42px auto minmax(0, 1fr) 42px 48px;
  align-items: center;
  gap: 9px;
}

.add-button,
.mic-button {
  color: #4f46e5;
  background: rgba(79, 70, 229, 0.08);
}

.mic-button {
  grid-column: 4;
}

.mode-button {
  width: auto;
  min-width: 98px;
  height: 44px;
  justify-self: start;
  gap: 7px;
  padding: 0 15px;
  border: 1px solid rgba(79, 70, 229, 0.22);
  border-radius: 999px;
  background: #ffffff;
  color: var(--ink-2);
  font-size: 0.82rem;
  font-weight: 800;
  box-shadow: 0 9px 20px rgba(79, 70, 229, 0.08);
}

.mode-button .icon {
  color: #4f46e5;
}

.mode-button:hover {
  border-color: rgba(79, 70, 229, 0.36);
  color: #4f46e5;
  box-shadow: 0 12px 26px rgba(79, 70, 229, 0.12);
}

.send-button {
  display: grid;
  grid-column: 5;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 999px;
  border-color: transparent;
  background: var(--blue-purple-gradient);
  color: #ffffff;
  box-shadow: 0 12px 24px rgba(79, 70, 229, 0.25);
}

.send-button:hover {
  background: var(--blue-purple-gradient);
  color: #ffffff;
}

.lesson-canvas {
  isolation: isolate;
  container-type: inline-size;
  overflow: clip;
  background: #ffffff;
}

.lesson-canvas::before {
  content: none;
}

.lesson-canvas-bar {
  position: absolute;
  top: 14px;
  left: 20px;
  right: 20px;
  z-index: 8;
  display: grid;
  grid-template-columns: minmax(150px, 0.8fr) minmax(260px, 1.5fr) auto;
  align-items: center;
  gap: 12px;
  min-height: 58px;
  padding: 8px;
  border: 1px solid rgba(148, 163, 184, 0.68);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 18px 44px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(18px);
}

.canvas-bar-title {
  display: grid;
  min-width: 0;
  padding-left: 8px;
}

.canvas-bar-title span {
  color: transparent;
  background: var(--blue-purple-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.canvas-bar-title strong {
  min-width: 0;
  overflow: hidden;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 880;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.canvas-world {
  position: absolute;
  left: -1500px;
  top: -1100px;
  z-index: 1;
  width: 6200px;
  height: 6200px;
  background: transparent;
  transition: transform 620ms cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes paper-drift {
  from {
    background-position: 0 0, 0 0, 0 0, 0 0, 0 0;
  }

  to {
    background-position: -140px -140px, -140px -140px, -140px -140px, -140px -140px, 0 0;
  }
}

@keyframes graph-grid-drift {
  from {
    background-position: 0 0, 0 0, 0 0, 0 0, 0 0;
  }

  to {
    background-position: -120px -120px, -120px -120px, -120px -120px, -120px -120px, 0 0;
  }
}

@keyframes workspace-grid-drift {
  from {
    background-position: 0 0, 0 0, 0 0, 0 0, 0 0, 0 0, 0 0;
  }

  to {
    background-position: -140px -140px, -140px -140px, -140px -140px, -140px -140px, 0 0, 0 0, 0 0;
  }
}

@keyframes lesson-canvas-drift {
  from {
    background-position: 0 0, 0 0, 0 0, 0 0, 0 0;
  }

  to {
    background-position: -150px -150px, -150px -150px, -150px -150px, -150px -150px, 0 0;
  }
}

@keyframes token-fade-in {
  from {
    opacity: 0;
    transform: translateY(2px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.lesson-page.is-chat-focus {
  grid-template-columns: minmax(0, 1fr);
}

.lesson-page.is-chat-focus .lesson-chat {
  border-right: 0;
  background:
    radial-gradient(circle at 78% 14%, rgba(124, 58, 237, 0.07), transparent 32%),
    radial-gradient(circle at 18% 88%, rgba(37, 99, 235, 0.06), transparent 32%),
    rgba(255, 255, 255, 0.96);
}

.lesson-page.is-chat-focus .tool-rail,
.lesson-page.is-chat-focus .lesson-canvas {
  display: none;
}

.lesson-page.is-chat-focus .lesson-header {
  padding-inline: max(18px, calc((100vw - 980px) / 2));
}

.lesson-page.is-chat-focus .chat-stream {
  width: min(100% - 48px, 980px);
  justify-self: center;
  padding-inline: 0;
}

.lesson-page.is-chat-focus .composer {
  width: min(100% - 48px, 980px);
  justify-self: center;
}

.lesson-page.is-chat-focus .chat-message.assistant {
  max-width: 100%;
}

.lesson-page.is-chat-focus .chat-message.student {
  max-width: min(760px, 88%);
}

.chat-focus-digest {
  border-color: rgba(79, 70, 229, 0.22);
  background:
    linear-gradient(135deg, rgba(124, 58, 237, 0.05), rgba(37, 99, 235, 0.04)),
    rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.06);
}

.chat-focus-content {
  gap: 14px;
}

.chat-focus-section {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.78);
}

.chat-focus-section header {
  display: grid;
  gap: 2px;
}

.chat-focus-section small {
  color: transparent;
  background: var(--blue-purple-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 0.66rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.chat-focus-section header strong {
  color: var(--ink);
  font-size: 1rem;
  font-weight: 880;
}

.chat-focus-intro {
  color: var(--ink-2);
}

.chat-focus-tool {
  display: grid;
  gap: 6px;
  padding-top: 10px;
  border-top: 1px solid rgba(203, 213, 225, 0.72);
}

.chat-focus-tool > strong {
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 860;
}

.chat-focus-graph {
  grid-template-columns: minmax(0, 1fr) minmax(190px, 270px);
  align-items: center;
  gap: 14px;
}

.chat-focus-graph-copy {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.chat-focus-graph-copy > strong {
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 860;
}

.chat-focus-graph-svg {
  width: 100%;
  height: 162px;
  overflow: hidden;
  border: 1px solid rgba(203, 213, 225, 0.76);
  border-radius: 14px;
  background:
    linear-gradient(var(--paper-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper-line) 1px, transparent 1px),
    #f8fafc;
  background-size: 24px 24px;
}

.chat-focus-question-stack {
  display: grid;
  gap: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(203, 213, 225, 0.72);
}

.chat-focus-question {
  display: grid;
  gap: 7px;
  padding: 12px;
  border: 1px solid rgba(203, 213, 225, 0.7);
  border-radius: 14px;
  background: rgba(248, 250, 252, 0.82);
}

.chat-focus-question header {
  display: grid;
  gap: 2px;
}

.chat-focus-question small {
  color: var(--muted);
  font-size: 0.64rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chat-focus-question strong {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 860;
}

.chat-focus-question p {
  margin: 0;
}

.gcse-course-card,
.docs-card,
.docs-reader,
.course-auth-panel,
.course-prep-panel,
.workspace-action-card,
.workspace-lessons,
.workspace-course-tree,
.workspace-typing-pill,
.dashboard-streak-panel,
.dashboard-mini-streak,
.course-progress-panel,
.course-tree-section,
.course-tree-lesson-row,
.lesson-chat,
.tool-rail,
.chat-message,
.chat-focus-digest,
.activity-section,
.activity-placeholder,
.activity-feedback,
.instruction-tool,
.area-question-card {
  contain: layout paint style;
}

.docs-card,
.course-tree-section,
.course-tree-lesson-row {
  content-visibility: auto;
}

.docs-card {
  contain-intrinsic-size: 112px;
}

.course-tree-section {
  contain-intrinsic-size: 118px;
}

.course-tree-lesson-row {
  contain-intrinsic-size: 72px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }

  .landing-page,
  .dashboard-core,
  .workspace-canvas-grid,
  .canvas-world,
  .activity-section,
  .token-fade,
  .docs-card-list,
  .course-card-list,
  .current-dot,
  .particle-box span {
    animation: none !important;
    transition-duration: 1ms !important;
  }
}

html[data-tenet-page-visible="hidden"] .landing-page,
html[data-tenet-page-visible="hidden"] .dashboard-core,
html[data-tenet-page-visible="hidden"] .workspace-canvas-grid,
html[data-tenet-page-visible="hidden"] .canvas-world,
html[data-tenet-page-visible="hidden"] .activity-section,
html[data-tenet-page-visible="hidden"] .token-fade,
html[data-tenet-page-visible="hidden"] .current-dot,
html[data-tenet-page-visible="hidden"] .particle-box span,
html[data-tenet-page-visible="hidden"] .course-prep-progress span::after {
  animation-play-state: paused !important;
}

@media (prefers-reduced-transparency: reduce) {
  .landing-topbar,
  .landing-footer,
  .workspace-topbar,
  .workspace-typing-pill,
  .lesson-chat,
  .tool-rail,
  .edge-tab,
  .account-profile-backdrop,
  .contact-modal-backdrop {
    backdrop-filter: none !important;
  }
}

.canvas-nav {
  position: absolute;
  z-index: 6;
  top: 50%;
  left: 18px;
  right: 18px;
  display: flex;
  width: auto;
  height: 0;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
  transform: translateY(-50%);
}

.edge-tab {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid var(--stroke);
  color: var(--ink);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.1);
  pointer-events: auto;
  backdrop-filter: blur(16px);
  transition:
    border-color 160ms ease,
    color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.edge-tab:hover {
  border-color: rgba(79, 70, 229, 0.36);
  color: #4f46e5;
  box-shadow: 0 16px 36px rgba(79, 70, 229, 0.14);
  transform: translateY(-1px);
}

.edge-tab:disabled {
  opacity: 0.42;
  cursor: default;
  pointer-events: none;
}

.left-tab {
  margin: 0;
}

.right-tab {
  margin: 0;
}

.coordinate-chip {
  position: static;
  justify-self: end;
  padding: 9px 12px;
  border: 1px solid rgba(203, 213, 225, 0.9);
  border-radius: 999px;
  background: rgba(248, 250, 252, 0.92);
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 850;
  white-space: nowrap;
}

.activity-strip {
  position: relative;
  z-index: 1;
  display: flex;
  width: min(100%, 570px);
  min-height: 44px;
  max-width: none;
  align-items: center;
  justify-self: center;
  gap: 7px;
  padding: 5px;
  overflow-x: auto;
  border: 1px solid rgba(203, 213, 225, 0.78);
  border-radius: 999px;
  background: rgba(248, 250, 252, 0.72);
  box-shadow: none;
  transform: none;
  backdrop-filter: none;
  scrollbar-width: none;
}

.activity-strip::-webkit-scrollbar {
  display: none;
}

.activity-strip-item {
  display: grid;
  min-width: 66px;
  height: 34px;
  grid-template-columns: 24px minmax(0, 1fr);
  align-items: center;
  gap: 6px;
  padding: 0 10px 0 5px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.activity-strip-item span {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 50%;
  background: #eef2f7;
  color: var(--ink-2);
  box-shadow: inset 0 0 0 1px rgba(36, 56, 74, 0.04);
}

.activity-strip-item small {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.activity-strip-item.is-active {
  border-color: rgba(79, 70, 229, 0.22);
  background: #ffffff;
  color: var(--ink);
  box-shadow: 0 8px 18px rgba(79, 70, 229, 0.1);
}

.activity-strip-item.is-active span {
  background: var(--blue-purple-gradient);
  color: #ffffff;
}

.activity-strip-item.is-complete span {
  background: rgba(25, 169, 116, 0.14);
  color: #08734e;
}

.activity-strip-item.is-locked {
  opacity: 0.52;
  cursor: default;
}

.activity-strip-item:disabled {
  pointer-events: none;
}

.activity-section {
  position: absolute;
  left: var(--section-left);
  top: var(--section-top);
  display: grid;
  width: min(calc(100cqw - 72px), 1260px);
  height: calc(100dvh - 142px);
  min-height: 430px;
  grid-template-rows: auto minmax(0, 1fr) auto;
  align-content: start;
  gap: 10px;
  padding: 0 2px 14px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  max-height: none;
  overflow: hidden;
  scrollbar-width: thin;
  backdrop-filter: none;
  transition:
    opacity 240ms ease,
    filter 240ms ease,
    transform 240ms ease,
    box-shadow 240ms ease;
}

.activity-section.is-active {
  background: transparent;
  box-shadow: none;
}

.activity-section:not(.is-active) {
  opacity: 0.38;
  filter: saturate(0.86);
  transform: scale(0.985);
}

.activity-header {
  display: grid;
  gap: 8px;
  padding: 0 2px 10px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.42);
}

.activity-kicker,
.activity-heading-row {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
}

.activity-kicker {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.activity-icon {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 11px;
  background: var(--blue-purple-gradient);
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(79, 70, 229, 0.18);
}

.activity-heading-row {
  justify-content: space-between;
}

.activity-header h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.2rem, 1.55vw, 1.55rem);
  line-height: 1.12;
  letter-spacing: 0;
}

.activity-header p {
  max-width: 58ch;
  margin: 0;
  color: var(--ink-2);
  font-size: 0.93rem;
  font-weight: 620;
  line-height: 1.42;
}

.activity-status {
  flex: 0 0 auto;
  padding: 7px 11px;
  border: 1px solid rgba(203, 213, 225, 0.9);
  border-radius: 999px;
  background: rgba(248, 250, 252, 0.86);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
}

.activity-body {
  min-width: 0;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 0 2px 6px 0;
  scrollbar-width: thin;
}

.activity-placeholder {
  display: grid;
  min-height: min(340px, 100%);
  place-items: center;
  align-content: center;
  gap: 10px;
  padding: 32px;
  border: 1px solid rgba(203, 213, 225, 0.72);
  border-radius: 12px;
  background:
    linear-gradient(135deg, rgba(124, 58, 237, 0.06), rgba(37, 99, 235, 0.06)),
    rgba(255, 255, 255, 0.78);
  box-shadow: none;
  color: var(--ink-2);
  text-align: center;
}

.activity-placeholder span {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border-radius: 16px;
  background: #ffffff;
  color: #4f46e5;
  box-shadow: 0 12px 28px rgba(79, 70, 229, 0.12);
}

.activity-placeholder strong {
  color: var(--ink);
  font-size: 1.05rem;
}

.activity-placeholder p {
  max-width: 38ch;
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 620;
  line-height: 1.4;
}

.activity-feedback {
  padding: 12px 14px;
  border: 1px solid rgba(203, 213, 225, 0.85);
  border-radius: 14px;
  background: rgba(248, 250, 252, 0.9);
  color: var(--ink-2);
  font-size: 0.9rem;
  font-weight: 680;
}

.activity-feedback.is-correct {
  border: 1px solid rgba(25, 169, 116, 0.2);
  background: rgba(25, 169, 116, 0.1);
  color: #0b6b4d;
}

.activity-primary {
  min-height: 42px;
  padding: 0 17px;
  border-radius: 999px;
  background: var(--blue-purple-gradient);
  color: #ffffff;
  font-size: 0.86rem;
  font-weight: 850;
  box-shadow: 0 12px 24px rgba(79, 70, 229, 0.2);
  transition:
    box-shadow 160ms ease,
    transform 160ms ease;
}

.activity-primary:hover {
  box-shadow: 0 16px 30px rgba(79, 70, 229, 0.26);
  transform: translateY(-1px);
}

.activity-primary:active {
  transform: translateY(1px);
}

.activity-question {
  min-width: 0;
  color: var(--ink);
  font-size: 1.08rem;
  font-weight: 730;
  line-height: 1.45;
}

.activity-question p {
  margin: 0;
}

.section-workspace {
  display: grid;
  gap: 14px;
  min-width: 0;
  min-height: 100%;
}

.area-workspace {
  align-content: start;
}

.area-workspace.tool-count-1.question-count-1,
.area-workspace.tool-count-1.question-count-2,
.area-workspace.tool-count-2.question-count-1,
.area-workspace.tool-count-2.question-count-2 {
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  align-items: start;
}

.area-workspace > .instruction-tool-stack,
.area-workspace > .area-question-grid {
  align-self: start;
}

.area-question-grid {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.area-question-card {
  display: grid;
  gap: 12px;
  min-width: 0;
  padding: clamp(14px, 1.55cqw, 18px);
  border: 1px solid rgba(148, 163, 184, 0.5);
  border-radius: 10px;
  background: #ffffff;
  box-shadow: none;
}

.area-question-card.is-complete {
  border-color: rgba(25, 169, 116, 0.22);
  background: rgba(247, 253, 250, 0.92);
}

.area-question-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}

.area-question-header span {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 850;
  text-transform: uppercase;
}

.area-question-header strong {
  min-width: 0;
  overflow: hidden;
  color: var(--ink);
  font-size: 0.98rem;
  font-weight: 850;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.area-question-instruction {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.42;
}

.question-feedback {
  margin-top: 0;
}

.question-feedback.is-thinking {
  border-color: rgba(79, 70, 229, 0.24);
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.07), rgba(37, 99, 235, 0.05) 48%, rgba(248, 250, 252, 0.94));
}

.teaching-continue {
  display: flex;
  justify-content: flex-end;
}

.lesson-prep-section {
  place-items: center;
  overflow: visible;
}

.lesson-prep-card,
.finish-area-card {
  display: grid;
  gap: 16px;
  width: min(100%, 520px);
  justify-items: center;
  padding: 28px;
  border: 1px solid rgba(203, 213, 225, 0.82);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 22px 54px rgba(15, 23, 42, 0.1);
  text-align: center;
}

.lesson-prep-card h2,
.finish-area-card h2 {
  margin: 0;
  color: var(--ink);
  font-size: 1.36rem;
  font-weight: 880;
}

.lesson-prep-card p,
.finish-area-card p {
  max-width: 430px;
  margin: 0;
  color: var(--muted);
  font-weight: 680;
  line-height: 1.45;
}

.prep-icon {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 18px;
  background: var(--blue-purple-gradient);
  color: #ffffff;
  box-shadow: 0 16px 30px rgba(79, 70, 229, 0.18);
}

.prep-slot-grid,
.finish-metrics {
  display: grid;
  width: 100%;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.finish-metrics {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.prep-slot,
.finish-metrics span {
  display: grid;
  gap: 3px;
  min-height: 72px;
  place-items: center;
  padding: 10px;
  border: 1px solid rgba(203, 213, 225, 0.9);
  border-radius: 14px;
  background: rgba(248, 250, 252, 0.86);
}

.prep-slot b,
.finish-metrics b {
  color: var(--ink);
  font-size: 1.08rem;
  font-weight: 900;
}

.prep-slot small,
.finish-metrics small {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 850;
  text-transform: uppercase;
}

.prep-slot.is-ready,
.prep-slot.is-complete {
  border-color: rgba(25, 169, 116, 0.22);
  background: rgba(25, 169, 116, 0.08);
}

.prep-slot.is-loading {
  border-color: rgba(47, 141, 242, 0.22);
  background: rgba(47, 141, 242, 0.08);
}

.prep-slot.is-error {
  border-color: rgba(190, 47, 47, 0.2);
  background: rgba(190, 47, 47, 0.08);
}

.weakness-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.weakness-tags span {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(79, 70, 229, 0.08);
  color: var(--ink-2);
  font-size: 0.75rem;
  font-weight: 850;
}

.instruction-tool-stack {
  display: grid;
  align-items: start;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
  min-width: 0;
}

.extra-question-grid {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.extra-question-card {
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid rgba(47, 141, 242, 0.14);
  border-radius: 14px;
  background: rgba(246, 251, 255, 0.86);
}

.extra-question-card span {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 850;
  text-transform: uppercase;
}

.extra-question-card p {
  margin: 0;
  color: var(--ink);
  font-weight: 720;
  line-height: 1.42;
}

.instruction-tool {
  display: grid;
  align-content: start;
  gap: 10px;
  min-width: 0;
  padding: clamp(14px, 1.55cqw, 18px);
  border: 1px solid rgba(148, 163, 184, 0.5);
  border-radius: 10px;
  background: #ffffff;
  box-shadow: none;
}

.instruction-tool-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 2px;
}

.instruction-tool-header span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 850;
  white-space: nowrap;
  text-transform: uppercase;
}

.instruction-tool-header strong {
  min-width: 0;
  overflow: hidden;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 850;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tool-surface {
  display: grid;
  gap: 11px;
  min-width: 0;
}

.text-box-surface {
  padding: 2px 0 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.text-box-copy {
  display: grid;
  gap: 9px;
  color: var(--ink-2);
  font-size: 0.92rem;
  font-weight: 610;
  line-height: 1.5;
}

.text-box-copy p,
.text-box-copy ul,
.text-box-copy ol {
  margin: 0;
}

.tool-readout {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 740;
}

.tool-readout strong {
  color: var(--ink);
}

.tool-ranges,
.tool-tabs {
  display: grid;
  gap: 8px;
}

.tool-tabs {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tool-range {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 34px;
  gap: 7px;
  align-items: center;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 820;
}

.tool-range-control {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) 24px;
  gap: 6px;
  align-items: center;
  min-width: 0;
}

.tool-range-control button {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border: 1px solid rgba(148, 163, 184, 0.58);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink-2);
  font-size: 0.86rem;
  font-weight: 900;
  line-height: 1;
  transition:
    border-color 150ms ease,
    color 150ms ease,
    box-shadow 150ms ease,
    transform 150ms ease;
}

.tool-range-control button:hover {
  border-color: rgba(79, 70, 229, 0.32);
  color: #4f46e5;
  box-shadow: 0 8px 16px rgba(79, 70, 229, 0.1);
  transform: translateY(-1px);
}

.tool-range input {
  width: 100%;
  accent-color: #4f46e5;
}

.tool-range b {
  color: var(--ink-2);
  text-align: right;
}

.tool-chip {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(203, 213, 225, 0.88);
  border-radius: 999px;
  background: #ffffff;
  color: var(--ink-2);
  font-size: 0.78rem;
  font-weight: 850;
  box-shadow: 0 8px 18px rgba(31, 48, 64, 0.06);
}

.tool-chip.is-active {
  border-color: rgba(47, 141, 242, 0.26);
  background: var(--blue-soft);
  color: #0e4f98;
}

.tool-graph-svg,
.force-svg,
.circuit-svg,
.trig-svg,
.decay-graph {
  width: 100%;
  overflow: hidden;
}

.tool-graph-svg {
  height: clamp(190px, 25vh, 286px);
}

.force-svg,
.circuit-svg,
.trig-svg {
  height: 170px;
}

.decay-graph {
  height: 120px;
}

.graph-grid,
.axis-line {
  fill: none;
  stroke: rgba(23, 32, 42, 0.42);
  stroke-width: 1.3;
}

.graph-grid.faint {
  stroke: rgba(72, 126, 164, 0.16);
}

.graph-curve,
.decay-curve {
  fill: none;
  stroke: var(--blue);
  stroke-width: 3;
}

.graph-handle,
.decay-point {
  fill: #ffffff;
  stroke: var(--blue);
  stroke-width: 3;
}

.force-node,
.cell {
  fill: #ffffff;
  stroke: rgba(23, 32, 42, 0.26);
  stroke-width: 2;
}

.force-arrow {
  fill: none;
  stroke: var(--blue);
  stroke-width: 4;
  marker-end: url("#force-arrow");
}

.force-arrow.color-amber {
  stroke: var(--amber);
}

.force-arrow.color-green,
.force-arrow.is-resultant {
  stroke: var(--green);
}

.force-svg marker path {
  fill: currentColor;
}

.force-svg text,
.circuit-svg text,
.trig-svg text {
  fill: var(--ink-2);
  font-size: 10px;
  font-weight: 800;
}

.wire,
.component {
  fill: none;
  stroke: rgba(23, 32, 42, 0.58);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.component {
  stroke: var(--blue);
}

.current-dot {
  fill: var(--green);
  opacity: 0;
}

.circuit-tool.is-on .current-dot {
  opacity: 1;
  animation: current-pulse 1.2s linear infinite;
}

.circuit-tool.is-on .dot-b {
  animation-delay: -0.4s;
}

.circuit-tool.is-on .dot-c {
  animation-delay: -0.8s;
}

@keyframes current-pulse {
  50% {
    opacity: 0.35;
    transform: scale(0.75);
  }
}

.particle-box {
  position: relative;
  height: 170px;
  overflow: hidden;
  border: 1px solid rgba(36, 56, 74, 0.13);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
}

.particle-box span {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 4px rgba(47, 141, 242, 0.11);
  animation: particle-jitter var(--particle-speed, 1.4s) ease-in-out infinite;
  animation-delay: var(--delay);
}

.phase-solid .particle-box span {
  background: var(--ink-2);
}

.phase-liquid .particle-box span {
  background: var(--green);
}

@keyframes particle-jitter {
  50% {
    transform: translate(calc(8px * var(--heat)), calc(-7px * var(--heat)));
  }
}

.electron-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.atom-shell {
  position: relative;
  aspect-ratio: 1;
  min-height: 145px;
}

.atom-shell strong,
.atom-shell em {
  position: absolute;
  left: 50%;
  top: 50%;
  display: grid;
  transform: translate(-50%, -50%);
}

.atom-shell strong {
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: #ffffff;
}

.atom-shell em {
  top: calc(50% + 34px);
  color: var(--blue);
  font-size: 0.78rem;
  font-style: normal;
  font-weight: 900;
}

.shell {
  position: absolute;
  border: 1px solid rgba(47, 141, 242, 0.28);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.shell-one {
  inset: 30%;
}

.shell-two {
  inset: 19%;
}

.shell-three {
  inset: 8%;
}

.electron-dot {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  transform: translate(-50%, -50%);
}

.electron-transfer {
  display: flex;
  justify-content: center;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 850;
  text-transform: uppercase;
}

.formula-pyramid {
  position: relative;
  display: grid;
  grid-template-areas:
    "top top"
    "left right";
  gap: 8px;
  max-width: 260px;
  margin: 0 auto;
}

.formula-cell {
  min-height: 58px;
  border: 1px solid var(--stroke);
  border-radius: 12px;
  background: #ffffff;
  color: var(--ink);
  font-weight: 850;
}

.formula-cell.top {
  grid-area: top;
}

.formula-cell.left {
  grid-area: left;
}

.formula-cell.right {
  grid-area: right;
}

.formula-cell.is-selected {
  background: var(--blue);
  color: #ffffff;
}

.dataset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.dataset-row span {
  min-width: 30px;
  padding: 5px 7px;
  border: 1px solid var(--stroke);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink-2);
  text-align: center;
  font-size: 0.78rem;
  font-weight: 850;
}

.dataset-row .is-outlier {
  border-color: rgba(226, 163, 38, 0.34);
  background: rgba(226, 163, 38, 0.14);
  color: #76500b;
}

.box-plot {
  position: relative;
  height: 46px;
}

.box-plot .whisker {
  position: absolute;
  left: var(--min);
  right: calc(100% - var(--max));
  top: 22px;
  height: 2px;
  background: rgba(23, 32, 42, 0.5);
}

.box-plot .box {
  position: absolute;
  left: var(--q1);
  right: calc(100% - var(--q3));
  top: 10px;
  height: 26px;
  border: 2px solid var(--blue);
  border-radius: 6px;
  background: rgba(47, 141, 242, 0.11);
}

.box-plot .median {
  position: absolute;
  left: var(--median);
  top: 7px;
  bottom: 7px;
  width: 3px;
  border-radius: 999px;
  background: var(--ink);
}

.trig-svg .triangle-line,
.trig-svg .angle-arc {
  fill: rgba(47, 141, 242, 0.1);
  stroke: var(--blue);
  stroke-width: 3;
  stroke-linejoin: round;
}

.ratio-ledger,
.atom-ledger {
  display: grid;
  gap: 6px;
  color: var(--ink-2);
  font-size: 0.78rem;
  font-weight: 760;
}

.punnett-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--stroke);
  border-radius: 12px;
}

.punnett-grid span,
.punnett-grid b {
  display: grid;
  min-height: 44px;
  place-items: center;
  border-right: 1px solid var(--stroke);
  border-bottom: 1px solid var(--stroke);
  background: #ffffff;
}

.punnett-grid b {
  background: var(--blue-soft);
}

.beam-stage {
  position: relative;
  height: 150px;
}

.beam {
  position: absolute;
  left: 8%;
  right: 8%;
  top: 72px;
  height: 8px;
  border-radius: 999px;
  background: var(--ink);
  transform: rotate(var(--tilt));
  transform-origin: center;
  transition: transform 180ms ease;
}

.pivot {
  position: absolute;
  left: 50%;
  top: 78px;
  width: 0;
  height: 0;
  border-right: 18px solid transparent;
  border-bottom: 38px solid rgba(23, 32, 42, 0.28);
  border-left: 18px solid transparent;
  transform: translateX(-50%);
}

.mass-block {
  position: absolute;
  top: -34px;
  min-width: 42px;
  padding: 6px 8px;
  border-radius: 8px;
  background: var(--blue);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 850;
  text-align: center;
  transform: translateX(-50%);
}

.mass-block.left {
  background: var(--amber);
}

.equation-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  font-weight: 850;
}

.compound {
  display: inline-flex;
  gap: 4px;
  align-items: center;
  margin: 2px;
}

.compound button {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border-radius: 50%;
  background: #ffffff;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
}

.atom-ledger {
  grid-template-columns: 1fr 1fr;
}

.atom-ledger div {
  display: grid;
  gap: 4px;
  padding: 9px;
  border: 1px solid var(--stroke);
  border-radius: 10px;
  background: #ffffff;
}

.stoich-tool.is-balanced .tool-readout strong {
  color: var(--green);
}

.decay-layout {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}

.isotope-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 3px;
}

.isotope-grid span {
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--blue);
}

.isotope-grid .is-stable {
  background: var(--green);
}

.cloze-layout,
.input-card,
.step-card,
.mistake-layout,
.matcher-layout,
.slider-layout,
.coordinate-layout,
.categorizer-layout {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.cloze-passage {
  min-height: 170px;
  padding: 22px 24px;
  border: 1px solid rgba(203, 213, 225, 0.88);
  border-radius: 16px;
  background:
    linear-gradient(rgba(79, 70, 229, 0.07) 1px, transparent 1px),
    rgba(248, 250, 252, 0.82);
  background-size: 100% 34px;
  color: var(--ink);
  font-size: 1.08rem;
  font-weight: 680;
  line-height: 1.9;
}

.cloze-blank {
  display: inline-grid;
  min-width: 112px;
  height: 33px;
  place-items: center;
  vertical-align: middle;
  margin: 0 5px;
  padding: 0 12px;
  border: 1px solid rgba(79, 70, 229, 0.26);
  border-radius: 10px;
  background: rgba(79, 70, 229, 0.08);
  color: var(--ink);
  font-weight: 850;
  box-shadow: inset 0 -2px 0 rgba(79, 70, 229, 0.12);
}

.cloze-blank.is-active {
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.12);
}

.word-tray,
.sort-pool {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  min-height: 64px;
  align-items: center;
  padding: 14px 15px;
  border: 1px solid rgba(203, 213, 225, 0.88);
  border-radius: 16px;
  background: rgba(247, 250, 252, 0.88);
}

.word-pill,
.sort-pill {
  min-height: 38px;
  padding: 0 15px;
  border: 1px solid rgba(36, 56, 74, 0.12);
  border-radius: 999px;
  background: #ffffff;
  color: var(--ink-2);
  font-size: 0.9rem;
  font-weight: 820;
  box-shadow: 0 8px 18px var(--soft-shadow);
  transition:
    border-color 150ms ease,
    background 150ms ease,
    box-shadow 150ms ease,
    color 150ms ease,
    transform 150ms ease;
}

.word-pill:hover,
.sort-pill:hover {
  border-color: rgba(79, 70, 229, 0.28);
  color: var(--ink);
  box-shadow: 0 10px 24px rgba(31, 48, 64, 0.1);
}

.word-pill:active,
.sort-pill:active {
  transform: translateY(1px);
}

.sort-pill.is-selected {
  border-color: rgba(79, 70, 229, 0.36);
  background: rgba(79, 70, 229, 0.08);
  color: var(--ink);
}

.answer-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
}

.answer-stack {
  display: grid;
  gap: 9px;
  min-width: 0;
}

.graph-input,
.step-line input,
.math-step-input {
  width: 100%;
  min-width: 0;
  height: 48px;
  border: 1px solid var(--stroke-strong);
  border-radius: 12px;
  background: #ffffff;
  color: var(--ink);
  padding: 0 14px;
  font-weight: 760;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    background-color 160ms ease;
}

.graph-input:focus,
.step-line input:focus,
.math-step-input:focus {
  border-color: rgba(79, 70, 229, 0.42);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.12);
}

.activity-hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 680;
}

.step-lines {
  display: grid;
  gap: 12px;
}

.step-line {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  transition:
    opacity 180ms ease,
    filter 180ms ease,
    transform 180ms ease;
}

.step-line span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
}

.step-line.is-complete input {
  border-color: rgba(25, 169, 116, 0.2);
  background: rgba(25, 169, 116, 0.08);
  color: #0b6b4d;
}

.step-entry {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.math-input-preview,
.math-line-static {
  min-width: 0;
}

.math-input-preview {
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid rgba(47, 141, 242, 0.12);
  border-radius: 12px;
  background: rgba(246, 251, 255, 0.76);
  color: var(--ink);
  font-size: 1rem;
  font-weight: 760;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.math-input-preview.is-empty {
  color: var(--quiet);
  font-size: 0.86rem;
  font-weight: 720;
}

.math-input-preview p {
  margin: 0;
}

.math-line-static .math-input-preview {
  border-color: rgba(25, 169, 116, 0.18);
  background: rgba(25, 169, 116, 0.08);
  color: #0b6b4d;
}

.step-line.is-active {
  transform: translateX(2px);
}

.step-line.is-locked {
  opacity: 0.36;
  filter: blur(0.25px);
}

.mistake-sheet {
  display: grid;
  gap: 7px;
  padding: 16px;
  border: 1px solid var(--stroke);
  border-radius: 16px;
  background:
    linear-gradient(rgba(226, 163, 38, 0.11) 1px, transparent 1px),
    #fffdf8;
  background-size: 100% 44px;
}

.mistake-line {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--ink);
  text-align: left;
  font-weight: 730;
  transition:
    border-color 150ms ease,
    background 150ms ease,
    transform 150ms ease;
}

.mistake-line.is-selected {
  border-color: rgba(47, 141, 242, 0.2);
  background: rgba(238, 247, 255, 0.86);
}

.selector-dot {
  width: 13px;
  height: 13px;
  border: 2px solid var(--blue);
  border-radius: 50%;
}

.mistake-line.is-selected .selector-dot {
  background: var(--blue);
}

.correction-tray {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid rgba(47, 141, 242, 0.18);
  border-radius: 16px;
  background: #f6fbff;
}

.matcher-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 96px;
  min-height: 270px;
}

.matcher-column {
  display: grid;
  gap: 12px;
  align-content: stretch;
}

.match-cell {
  min-height: 56px;
  padding: 12px 13px;
  border: 1px solid var(--stroke);
  border-radius: 14px;
  background: #ffffff;
  color: var(--ink);
  text-align: left;
  font-weight: 760;
  box-shadow: 0 8px 18px rgba(31, 48, 64, 0.055);
  transition:
    border-color 150ms ease,
    background 150ms ease,
    box-shadow 150ms ease,
    transform 150ms ease;
}

.match-cell.is-active,
.match-cell.is-paired {
  border-color: rgba(47, 141, 242, 0.3);
  background: #eef7ff;
  box-shadow: 0 10px 24px rgba(47, 141, 242, 0.12);
}

.matcher-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.matcher-lines path {
  fill: none;
  stroke: rgba(47, 141, 242, 0.68);
  stroke-width: 1.6;
  vector-effect: non-scaling-stroke;
}

.slider-visual {
  position: relative;
  display: grid;
  min-height: 240px;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--stroke);
  border-radius: 16px;
  background:
    linear-gradient(var(--paper-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper-line) 1px, transparent 1px),
    #fbfcfd;
  background-size: 26px 26px;
}

.triangle-shape {
  width: calc(150px + 180px * var(--slider-ratio));
  height: calc(96px + 120px * var(--slider-ratio));
  clip-path: polygon(0 100%, 100% 100%, 100% 0);
  background: linear-gradient(135deg, rgba(47, 141, 242, 0.18), rgba(25, 169, 116, 0.2));
  border: 2px solid rgba(47, 141, 242, 0.36);
}

.slider-visual.sine_wave .triangle-shape {
  display: none;
}

.wave-shape {
  display: none;
  width: calc(190px + 160px * var(--slider-ratio));
  height: 92px;
  border-top: 6px solid rgba(47, 141, 242, 0.62);
  border-radius: 50%;
}

.slider-visual.sine_wave .wave-shape {
  display: block;
}

.slider-visual strong {
  position: absolute;
  right: 16px;
  bottom: 14px;
  padding: 7px 10px;
  border-radius: 999px;
  background: #ffffff;
  color: var(--ink-2);
  font-size: 0.82rem;
}

.slider-control {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-weight: 800;
}

.slider-control input {
  width: 100%;
  accent-color: var(--blue);
}

.slider-readout {
  color: var(--ink-2);
  font-weight: 760;
}

.coordinate-grid {
  position: relative;
  width: min(100%, 430px);
  aspect-ratio: 1;
  justify-self: center;
  overflow: hidden;
  border: 1px solid rgba(36, 56, 74, 0.18);
  border-radius: 16px;
  background:
    linear-gradient(rgba(72, 126, 164, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(72, 126, 164, 0.14) 1px, transparent 1px),
    #ffffff;
  background-size: 10% 10%;
  cursor: crosshair;
}

.axis {
  position: absolute;
  background: rgba(23, 32, 42, 0.48);
}

.x-axis {
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
}

.y-axis {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
}

.plot-point {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 3px solid #ffffff;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 2px rgba(25, 169, 116, 0.42);
  transform: translate(-50%, -50%);
}

.plot-point b {
  position: absolute;
  left: 14px;
  top: -8px;
  padding: 3px 6px;
  border-radius: 999px;
  background: #ffffff;
  color: var(--ink);
  font-size: 0.7rem;
  white-space: nowrap;
}

.coordinate-scale {
  justify-self: center;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
}

.bucket-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(178px, 1fr));
  gap: 12px;
}

.sort-bucket {
  display: grid;
  min-height: 150px;
  align-content: start;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--stroke);
  border-radius: 16px;
  background: #fbfcfd;
}

.sort-bucket.is-targetable {
  border-color: rgba(47, 141, 242, 0.28);
  background: #f6fbff;
}

.sort-bucket strong {
  color: var(--ink);
  font-size: 0.88rem;
}

.bucket-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tool-rail {
  display: grid;
  align-content: start;
  justify-items: center;
  gap: 10px;
  padding: 14px 8px;
  border-left: 1px solid var(--stroke);
}

.tool-button {
  display: grid;
  width: min(52px, 100%);
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 17px;
  background: transparent;
  color: var(--ink-2);
  transition:
    border-color 160ms ease,
    background 160ms ease,
    box-shadow 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.tool-button:first-child {
  margin-bottom: 2px;
  border-color: rgba(79, 70, 229, 0.22);
  color: #4f46e5;
  background: rgba(79, 70, 229, 0.08);
}

.tool-button:hover {
  border-color: rgba(79, 70, 229, 0.26);
  background: #ffffff;
  color: #4f46e5;
  box-shadow: 0 12px 26px rgba(79, 70, 229, 0.12);
  transform: translateY(-1px);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}

@media (max-width: 1120px) {
  .dashboard-grid {
    grid-template-columns: minmax(220px, 20%) minmax(0, 1fr) minmax(240px, 23%);
  }

  .hero-stack {
    width: min(94%, 760px);
  }

  .quick-card {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .quick-icon {
    width: 48px;
    height: 48px;
  }
}

@media (max-width: 900px) {
  html,
  body {
    overflow: auto;
  }

  #app {
    min-height: 100vh;
    height: auto;
  }

  .landing-page {
    min-height: 100vh;
    height: auto;
    grid-template-rows: auto max-content auto;
  }

  .landing-topbar {
    flex-wrap: wrap;
  }

  .landing-nav {
    width: 100%;
    justify-content: start;
  }

  .landing-main {
    grid-template-columns: 1fr;
    width: min(100% - 28px, 620px);
    align-content: start;
    padding: 34px 0;
  }

  .simple-entry {
    width: min(100% - 28px, 620px);
    min-height: calc(100vh - 190px);
    min-height: calc(100dvh - 190px);
    padding: 28px 0;
  }

  .course-entry {
    width: min(100% - 28px, 620px);
    min-height: calc(100vh - 190px);
    min-height: calc(100dvh - 190px);
    padding: 28px 0;
  }

  .docs-main,
  .landing-page[data-tenet-style="graph"] .docs-main {
    width: min(100% - 28px, 620px);
    padding: 36px 0 28px;
  }

  .docs-hero h1 {
    font-size: clamp(3.2rem, 20vw, 5.2rem);
  }

  .docs-card {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 14px;
    min-height: 118px;
    padding: 18px;
  }

  .docs-reader {
    grid-template-columns: 1fr;
    min-height: 360px;
    padding: 22px;
  }

  .docs-card-icon {
    width: 42px;
    height: 42px;
  }

  .course-catalog h1 {
    font-size: clamp(2rem, 12vw, 3.2rem);
  }

  .gcse-course-card {
    grid-template-columns: 1fr;
    align-items: start;
    min-height: 126px;
    padding: 20px;
  }

  .course-prep-panel {
    min-height: 220px;
    padding: 24px 20px;
  }

  .course-auth-panel {
    width: 100%;
    min-height: 0;
    padding: 0;
  }

  .profile-backdrop {
    top: 58%;
    left: 50%;
    width: min(330px, 92vw);
    opacity: 0.28;
    transform: translate(-50%, -50%);
  }

  .profile-backdrop strong {
    font-size: 2rem;
  }

  .entry-card {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 14px;
    min-height: 148px;
    padding: 18px;
  }

  .entry-icon {
    width: 44px;
    height: 44px;
  }

  .entry-action,
  .entry-actions {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .landing-intro {
    justify-items: start;
  }

  .course-choice-grid {
    grid-template-columns: 1fr;
  }

  .course-choice {
    min-height: 220px;
    border-radius: 8px;
  }

  .landing-footer {
    flex-wrap: wrap;
    min-height: 58px;
    padding: 14px 18px;
  }

  .dashboard-page {
    min-height: 100vh;
    grid-template-rows: auto minmax(0, 1fr);
  }

  .topbar {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .subject-pill {
    width: 100%;
  }

  .top-actions,
  .profile-strip {
    justify-content: space-between;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .side-panel {
    display: none;
  }

  .dashboard-core {
    min-height: calc(100vh - 210px);
    padding: 24px 14px;
  }

  .hero-stack {
    width: 100%;
    transform: none;
  }

  .ask-bar {
    grid-template-columns: 48px minmax(0, 1fr) auto;
    min-height: 66px;
  }

  .ask-search {
    width: 48px;
    height: 48px;
  }

  .choose-button {
    display: none;
  }

  .start-button {
    min-width: 92px;
    height: 50px;
    padding: 0 18px;
  }

  .quick-actions {
    grid-template-columns: 1fr;
  }

  .lesson-page {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr) auto;
  }

  .lesson-chat {
    display: none;
  }

  .tool-rail {
    grid-row: 2;
    grid-auto-flow: column;
    justify-content: center;
    border-left: 0;
    border-top: 1px solid var(--stroke);
  }

  .tool-button {
    width: 50px;
  }

  .canvas-nav {
    left: 12px;
    right: 12px;
    width: auto;
    transform: none;
  }

  .lesson-canvas-bar {
    grid-template-columns: 1fr;
    align-items: stretch;
    gap: 8px;
  }

  .activity-strip {
    left: auto;
    right: auto;
    max-width: none;
    width: 100%;
    transform: none;
  }

  .activity-section {
    width: calc(100vw - 44px);
    min-height: 500px;
  }

  .answer-row,
  .correction-tray,
  .matcher-grid {
    grid-template-columns: 1fr;
  }

  .matcher-grid {
    gap: 14px;
  }

  .matcher-lines {
    display: none;
  }
}

.landing-page[data-tenet-style] {
  --style-ink: var(--ink);
  --style-muted: var(--muted);
  --style-card: rgba(255, 255, 255, 0.92);
  --style-border: rgba(17, 24, 39, 0.12);
  --style-shadow: 0 18px 46px rgba(15, 23, 42, 0.08);
  background-attachment: fixed;
}

.landing-page[data-tenet-style]::before,
.landing-page[data-tenet-style]::after {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  content: "";
}

.landing-page[data-tenet-style] > * {
  position: relative;
  z-index: 1;
}

.landing-page[data-tenet-style] > .contact-modal-backdrop {
  position: fixed;
  z-index: 70;
}

.landing-page[data-tenet-style] .landing-topbar,
.landing-page[data-tenet-style] .landing-footer {
  border-color: var(--style-border);
}

.landing-page[data-tenet-style] .brand-mark {
  overflow: hidden;
  border-radius: 8px;
}

.landing-page[data-tenet-style] .course-catalog {
  position: relative;
  margin: 0 auto !important;
}

.landing-page[data-tenet-style] .course-catalog.is-auth-flow,
.landing-page[data-tenet-style] .course-catalog.is-prep-flow {
  width: min(460px, 100%);
}

.landing-page[data-tenet-style] .gcse-course-card,
.landing-page[data-tenet-style] .course-prep-panel,
.landing-page[data-tenet-style] .course-auth-status,
.landing-page[data-tenet-style] .course-auth-link {
  border-color: var(--style-border);
}

.landing-page[data-tenet-style] .gcse-course-card {
  background: var(--style-card);
  box-shadow: var(--style-shadow);
}

.landing-page[data-tenet-style] .gcse-course-card::before {
  content: none;
}

.landing-page[data-tenet-style] .gcse-course-card::after {
  opacity: 0.8;
}

.landing-page[data-tenet-style="studio"] {
  --style-border: rgba(15, 23, 42, 0.105);
  --style-shadow: 0 18px 60px rgba(15, 23, 42, 0.08);
  background:
    linear-gradient(180deg, #ffffff 0%, #fafbfc 46%, #eff3f8 100%),
    #f7f9fc;
}

.landing-page[data-tenet-style="studio"]::before {
  background:
    linear-gradient(90deg, rgba(15, 23, 42, 0.045) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0));
  background-size: 96px 100%, auto;
  opacity: 0.45;
}

.landing-page[data-tenet-style="studio"] .landing-topbar,
.landing-page[data-tenet-style="studio"] .landing-footer {
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.65);
}

.landing-page[data-tenet-style="studio"] .course-entry {
  align-content: center;
  padding-bottom: 102px;
}

.landing-page[data-tenet-style="studio"] .course-catalog {
  width: min(780px, 100%);
  gap: 20px;
}

.landing-page[data-tenet-style="studio"] .course-catalog h1 {
  color: #0f172a;
  font-size: clamp(2.55rem, 5.6vw, 4.45rem);
  font-weight: 760;
}

.landing-page[data-tenet-style="studio"] .gcse-course-card {
  min-height: 104px;
  padding: 24px 28px;
  background: rgba(255, 255, 255, 0.96);
}

.landing-page[data-tenet-style="studio"] .gcse-course-card:hover {
  border-color: rgba(15, 23, 42, 0.18);
  box-shadow: 0 26px 70px rgba(15, 23, 42, 0.12);
}

.landing-page[data-tenet-style="graph"] {
  --style-border: #94a3b8;
  --style-shadow: 0 14px 34px rgba(17, 24, 39, 0.08);
  animation: graph-grid-drift 8s linear infinite;
  background:
    linear-gradient(rgba(203, 213, 225, 0.7) 1px, transparent 1px),
    linear-gradient(90deg, rgba(203, 213, 225, 0.7) 1px, transparent 1px),
    linear-gradient(rgba(148, 163, 184, 0.7) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.7) 1px, transparent 1px),
    #f8fafc;
  background-position: 0 0, 0 0, 0 0, 0 0, 0 0;
  background-size: 24px 24px, 24px 24px, 120px 120px, 120px 120px, auto;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
}

.landing-page[data-tenet-style="graph"].docs-page {
  display: block;
  height: 100%;
  overflow: auto;
}

.landing-page[data-tenet-style="graph"]::before {
  background: linear-gradient(180deg, rgba(248, 250, 252, 0.58), rgba(248, 250, 252, 0.1) 38%, rgba(248, 250, 252, 0.56));
}

.landing-page[data-tenet-style="graph"] .landing-topbar,
.landing-page[data-tenet-style="graph"] .landing-footer {
  background: rgba(255, 255, 255, 0.86);
}

.landing-page[data-tenet-style="graph"] .landing-topbar {
  border-bottom-color: #94a3b8;
}

.landing-page[data-tenet-style="graph"] .landing-footer {
  min-height: 72px;
  padding: 18px 28px;
  border-top-color: #94a3b8;
  box-shadow: 0 -12px 34px rgba(17, 24, 39, 0.04), inset 0 1px 0 rgba(255, 255, 255, 0.76);
}

.landing-page[data-tenet-style="graph"] .landing-login,
.landing-page[data-tenet-style="graph"] .course-back-button {
  border-color: #94a3b8;
}

.landing-page[data-tenet-style="graph"] .course-entry {
  align-content: start;
  min-height: 0;
  height: 100%;
  overflow: auto;
  padding: clamp(30px, 4.5vh, 48px) 0 30px;
}

.landing-page[data-tenet-style="graph"] .course-catalog {
  width: min(820px, 100%);
  gap: 14px;
}

.landing-page[data-tenet-style="graph"] .docs-main {
  width: min(880px, calc(100% - 48px));
}

.landing-page[data-tenet-style="graph"] .docs-card {
  border-color: #94a3b8;
  background:
    linear-gradient(90deg, rgba(124, 58, 237, 0.04), rgba(79, 70, 229, 0.028) 18%, rgba(37, 99, 235, 0.02) 31%, transparent 43%),
    rgba(255, 255, 255, 0.86);
}

.landing-page[data-tenet-style="graph"] .docs-card:hover {
  border-color: #64748b;
  background:
    linear-gradient(90deg, rgba(124, 58, 237, 0.065), rgba(79, 70, 229, 0.05) 18%, rgba(37, 99, 235, 0.035) 31%, transparent 43%),
    rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 42px rgba(17, 24, 39, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.92);
  transform: translateY(-2px) scale(1.002);
}

.landing-page[data-tenet-style="graph"] .docs-reader {
  border-color: #94a3b8;
  background:
    linear-gradient(90deg, rgba(37, 99, 235, 0.045), transparent 31%),
    rgba(255, 255, 255, 0.9);
}

.landing-page[data-tenet-style="graph"] .docs-join-layer {
  border-color: #94a3b8;
}

.landing-page[data-tenet-style="graph"] .docs-join-connector {
  border-right-color: #94a3b8;
  border-left-color: #94a3b8;
}

.landing-page[data-tenet-style="graph"] .docs-card-icon {
  border-color: #94a3b8;
}

.landing-page[data-tenet-style="graph"] .course-catalog h1 {
  font-size: clamp(2.35rem, 5vw, 4rem);
  font-weight: 800;
}

.landing-page[data-tenet-style="graph"] .gcse-course-card {
  min-height: 102px;
  border-color: #94a3b8;
  background:
    linear-gradient(90deg, rgba(37, 99, 235, 0.055), transparent 34%),
    rgba(255, 255, 255, 0.86);
  box-shadow: 0 12px 26px rgba(17, 24, 39, 0.06);
  backdrop-filter: none;
}

.landing-page[data-tenet-style="graph"] .gcse-course-card::after {
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.65), inset 0 -1px 0 rgba(148, 163, 184, 0.52);
}

.landing-page[data-tenet-style="graph"] .gcse-course-card:hover {
  border-color: #64748b;
  background:
    linear-gradient(90deg, rgba(37, 99, 235, 0.075), transparent 34%),
    rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 42px rgba(17, 24, 39, 0.09);
  transform: translateY(-1px);
}

.landing-page[data-tenet-style="glass"] {
  --style-border: rgba(255, 255, 255, 0.7);
  --style-shadow: 0 24px 70px rgba(56, 83, 122, 0.16);
  background:
    linear-gradient(130deg, rgba(237, 247, 255, 0.94) 0%, rgba(255, 255, 255, 0.86) 38%, rgba(246, 248, 255, 0.92) 100%),
    #f5f9ff;
}

.landing-page[data-tenet-style="glass"]::before {
  background:
    linear-gradient(118deg, transparent 0 18%, rgba(37, 99, 235, 0.1) 18% 27%, transparent 27% 56%, rgba(20, 150, 111, 0.08) 56% 66%, transparent 66%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0.55));
}

.landing-page[data-tenet-style="glass"] .landing-topbar,
.landing-page[data-tenet-style="glass"] .landing-footer {
  background: rgba(255, 255, 255, 0.58);
  backdrop-filter: blur(24px);
}

.landing-page[data-tenet-style="glass"] .course-entry {
  align-content: center;
}

.landing-page[data-tenet-style="glass"] .course-catalog {
  width: min(790px, 100%);
}

.landing-page[data-tenet-style="glass"] .course-catalog h1 {
  color: #102033;
  font-size: clamp(2.35rem, 5vw, 4.15rem);
  font-weight: 720;
}

.landing-page[data-tenet-style="glass"] .gcse-course-card,
.landing-page[data-tenet-style="glass"] .course-prep-panel {
  border-color: rgba(255, 255, 255, 0.76);
  background: rgba(255, 255, 255, 0.6);
  box-shadow: 0 28px 82px rgba(56, 83, 122, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(24px) saturate(1.2);
}

.landing-page[data-tenet-style="glass"] .gcse-course-card:hover {
  background: rgba(255, 255, 255, 0.74);
  transform: translateY(-2px);
}

.landing-page[data-tenet-style="graphite"] {
  --style-border: rgba(16, 16, 16, 0.18);
  --style-shadow: 0 14px 36px rgba(0, 0, 0, 0.08);
  background:
    linear-gradient(180deg, #f7f7f5 0%, #efefec 100%),
    #f4f4f2;
}

.landing-page[data-tenet-style="graphite"]::before {
  background:
    linear-gradient(90deg, rgba(16, 16, 16, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(16, 16, 16, 0.035) 1px, transparent 1px);
  background-size: 72px 72px, 72px 72px;
  opacity: 0.65;
}

.landing-page[data-tenet-style="graphite"] .landing-topbar {
  border-bottom-color: rgba(255, 255, 255, 0.08);
  background: rgba(16, 16, 16, 0.94);
}

.landing-page[data-tenet-style="graphite"] .landing-footer {
  border-top-color: rgba(16, 16, 16, 0.14);
  background: rgba(247, 247, 245, 0.86);
}

.landing-page[data-tenet-style="graphite"] .landing-brand,
.landing-page[data-tenet-style="graphite"] .landing-topbar .landing-nav a {
  color: #ffffff;
}

.landing-page[data-tenet-style="graphite"] .landing-topbar .landing-nav a:hover {
  color: rgba(255, 255, 255, 0.72);
}

.landing-page[data-tenet-style="graphite"] .landing-login {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  box-shadow: none;
}

.landing-page[data-tenet-style="graphite"] .course-entry {
  align-content: center;
}

.landing-page[data-tenet-style="graphite"] .course-catalog {
  width: min(800px, 100%);
}

.landing-page[data-tenet-style="graphite"] .course-catalog h1 {
  color: #101010;
  font-size: clamp(2.5rem, 5.4vw, 4.6rem);
  font-weight: 880;
}

.landing-page[data-tenet-style="graphite"] .gcse-course-card {
  min-height: 100px;
  border: 1px solid rgba(16, 16, 16, 0.2);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.075);
  backdrop-filter: none;
}

.landing-page[data-tenet-style="graphite"] .gcse-course-card:hover {
  border-color: rgba(16, 16, 16, 0.42);
  background: #ffffff;
}

.landing-page[data-tenet-style="folio"] {
  --style-border: rgba(42, 52, 65, 0.14);
  --style-shadow: 0 18px 42px rgba(42, 52, 65, 0.08);
  background:
    linear-gradient(90deg, rgba(17, 24, 39, 0.055) 0 28%, transparent 28%),
    linear-gradient(180deg, #fbfbf9 0%, #f3f5f7 100%);
}

.landing-page[data-tenet-style="folio"]::before {
  background:
    linear-gradient(90deg, transparent 0, transparent calc(50% - 1px), rgba(17, 24, 39, 0.08) calc(50% - 1px), rgba(17, 24, 39, 0.08) 50%, transparent 50%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.65), rgba(255, 255, 255, 0));
  background-size: 220px 100%, auto;
  opacity: 0.34;
}

.landing-page[data-tenet-style="folio"] .landing-topbar,
.landing-page[data-tenet-style="folio"] .landing-footer {
  background: rgba(251, 251, 249, 0.9);
}

.landing-page[data-tenet-style="folio"] .course-entry {
  align-content: center;
  justify-items: start;
  width: min(980px, calc(100% - 72px));
}

.landing-page[data-tenet-style="folio"] .course-catalog {
  width: min(900px, 100%);
  gap: 22px;
}

.landing-page[data-tenet-style="folio"] .course-catalog h1 {
  max-width: 680px;
  color: #18212f;
  font-size: clamp(2.55rem, 5.8vw, 4.85rem);
  font-weight: 760;
}

.landing-page[data-tenet-style="folio"] .course-card-list {
  counter-reset: tenet-card;
  gap: 10px;
}

.landing-page[data-tenet-style="folio"] .gcse-course-card {
  grid-template-columns: auto minmax(0, 1fr);
  min-height: 96px;
  padding: 20px 24px;
  background: rgba(255, 255, 255, 0.82);
}

.landing-page[data-tenet-style="folio"] .gcse-course-card::before {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid rgba(42, 52, 65, 0.14);
  border-radius: 8px;
  background: rgba(246, 248, 250, 0.86);
  color: #536172;
  content: counter(tenet-card, decimal-leading-zero);
  counter-increment: tenet-card;
  font-size: 0.78rem;
  font-weight: 860;
}

.landing-page[data-tenet-style="folio"] .gcse-course-card::after {
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.42);
}

.landing-page[data-tenet-style="aurora"] {
  --style-border: rgba(78, 96, 122, 0.14);
  --style-shadow: 0 22px 62px rgba(35, 69, 119, 0.11);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94) 0%, rgba(250, 252, 255, 0.92) 58%, rgba(247, 251, 255, 0.96) 100%),
    linear-gradient(122deg, rgba(66, 133, 244, 0.18), rgba(52, 168, 83, 0.1) 31%, rgba(251, 188, 5, 0.09) 62%, rgba(234, 67, 53, 0.11));
}

.landing-page[data-tenet-style="aurora"]::before {
  background:
    linear-gradient(90deg, rgba(37, 99, 235, 0.1), transparent 18%, transparent 82%, rgba(20, 150, 111, 0.1)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.72));
}

.landing-page[data-tenet-style="aurora"] .landing-topbar,
.landing-page[data-tenet-style="aurora"] .landing-footer {
  background: rgba(255, 255, 255, 0.72);
}

.landing-page[data-tenet-style="aurora"] .course-entry {
  align-content: center;
}

.landing-page[data-tenet-style="aurora"] .course-catalog {
  width: min(790px, 100%);
}

.landing-page[data-tenet-style="aurora"] .course-catalog h1 {
  color: #101828;
  font-size: clamp(2.4rem, 5.2vw, 4.3rem);
  font-weight: 760;
}

.landing-page[data-tenet-style="aurora"] .gcse-course-card {
  min-height: 104px;
  border-color: rgba(78, 96, 122, 0.14);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 24px 68px rgba(35, 69, 119, 0.11);
}

.landing-page[data-tenet-style="aurora"] .gcse-course-card:hover {
  border-color: rgba(37, 99, 235, 0.22);
  box-shadow: 0 28px 82px rgba(35, 69, 119, 0.14);
}

.landing-page[data-tenet-style="ledger"] {
  --style-border: rgba(42, 52, 65, 0.16);
  --style-shadow: none;
  background:
    linear-gradient(rgba(42, 52, 65, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 52, 65, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, #fbfcfd 0%, #f2f5f8 100%);
  background-size: 44px 44px, 44px 44px, auto;
}

.landing-page[data-tenet-style="ledger"] .landing-topbar,
.landing-page[data-tenet-style="ledger"] .landing-footer {
  background: rgba(255, 255, 255, 0.9);
}

.landing-page[data-tenet-style="ledger"] .course-entry {
  align-content: center;
}

.landing-page[data-tenet-style="ledger"] .course-catalog {
  width: min(780px, 100%);
  gap: 18px;
}

.landing-page[data-tenet-style="ledger"] .course-catalog h1 {
  color: #111827;
  font-size: clamp(2.25rem, 4.8vw, 3.8rem);
  font-weight: 820;
}

.landing-page[data-tenet-style="ledger"] .course-card-list {
  gap: 0;
  border-top: 1px solid rgba(42, 52, 65, 0.15);
}

.landing-page[data-tenet-style="ledger"] .gcse-course-card {
  min-height: 88px;
  padding: 20px 2px;
  border-width: 0 0 1px;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.landing-page[data-tenet-style="ledger"] .gcse-course-card::after {
  display: none;
}

.landing-page[data-tenet-style="ledger"] .gcse-course-card:hover {
  background: rgba(255, 255, 255, 0.62);
  box-shadow: none;
  transform: none;
}

.landing-page[data-tenet-style="ledger"] .gcse-course-copy {
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
  align-items: baseline;
  gap: 18px;
}

.landing-page[data-tenet-style="ledger"] .gcse-course-copy strong {
  font-size: clamp(1.18rem, 2.2vw, 1.55rem);
}

.landing-page[data-tenet-style="focus"] {
  --ink: #f8fafc;
  --ink-2: #dbe3ee;
  --muted: #aeb9c8;
  --style-border: rgba(255, 255, 255, 0.16);
  --style-shadow: 0 24px 70px rgba(0, 0, 0, 0.3);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(180deg, #101114 0%, #17191d 100%);
  background-size: 86px 86px, auto;
}

.landing-page[data-tenet-style="focus"]::before {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 34%),
    linear-gradient(90deg, transparent 0 14%, rgba(255, 255, 255, 0.035) 14% 15%, transparent 15% 85%, rgba(255, 255, 255, 0.035) 85% 86%, transparent 86%);
}

.landing-page[data-tenet-style="focus"] .landing-topbar,
.landing-page[data-tenet-style="focus"] .landing-footer {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(16, 17, 20, 0.82);
}

.landing-page[data-tenet-style="focus"] .landing-brand,
.landing-page[data-tenet-style="focus"] .landing-nav a,
.landing-page[data-tenet-style="focus"] .landing-footer,
.landing-page[data-tenet-style="focus"] .landing-footer a {
  color: #f8fafc;
}

.landing-page[data-tenet-style="focus"] .landing-login {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.08);
  color: #f8fafc;
  box-shadow: none;
}

.landing-page[data-tenet-style="focus"] .course-entry {
  align-content: center;
}

.landing-page[data-tenet-style="focus"] .course-catalog {
  width: min(780px, 100%);
}

.landing-page[data-tenet-style="focus"] .course-catalog h1 {
  color: #f8fafc;
  font-size: clamp(2.45rem, 5.2vw, 4.35rem);
  font-weight: 820;
}

.landing-page[data-tenet-style="focus"] .gcse-course-card,
.landing-page[data-tenet-style="focus"] .course-prep-panel {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(248, 250, 252, 0.94);
  color: #111827;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.3);
}

.landing-page[data-tenet-style="focus"] .gcse-course-copy strong,
.landing-page[data-tenet-style="focus"] .course-prep-copy strong {
  color: #111827;
}

.landing-page[data-tenet-style="focus"] .gcse-course-copy small,
.landing-page[data-tenet-style="focus"] .course-prep-copy small,
.landing-page[data-tenet-style="focus"] .course-prep-panel p {
  color: #526071;
}

.landing-page[data-tenet-style="focus"] .course-auth-status,
.landing-page[data-tenet-style="focus"] .course-auth-link {
  background: rgba(248, 250, 252, 0.94);
  color: #111827;
}

.landing-page .gcse-course-card:hover .gcse-course-copy strong,
.landing-page .gcse-course-card:focus-visible .gcse-course-copy strong {
  color: transparent;
  background: var(--blue-purple-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.landing-page .docs-card:hover .docs-card-copy strong,
.landing-page .docs-card:focus-visible .docs-card-copy strong {
  color: transparent;
  background: var(--blue-purple-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

@media (max-width: 900px) {
  .landing-page[data-tenet-style="graph"] {
    grid-template-rows: auto max-content auto;
    overflow: auto;
  }

  .landing-page[data-tenet-style] .course-entry {
    width: min(100% - 28px, 620px);
    min-height: calc(100vh - 190px);
    min-height: calc(100dvh - 190px);
    align-content: start;
    justify-items: center;
    padding: 36px 0 28px;
  }

  .landing-page[data-tenet-style] .course-catalog,
  .landing-page[data-tenet-style="folio"] .course-catalog,
  .landing-page[data-tenet-style="ledger"] .course-catalog {
    width: 100%;
  }

  .landing-page[data-tenet-style="folio"] .gcse-course-card {
    grid-template-columns: auto minmax(0, 1fr);
    padding: 18px;
  }

  .landing-page[data-tenet-style="folio"] .gcse-course-card::before {
    width: 40px;
    height: 40px;
  }

  .landing-page[data-tenet-style="ledger"] .gcse-course-card {
    min-height: 94px;
    padding: 18px 0;
  }

  .landing-page[data-tenet-style="ledger"] .gcse-course-copy {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .landing-page[data-tenet-style="graph"] {
    animation: none;
  }
}

/* Generator landing section */
.generator-catalog {
  display: grid;
  width: min(840px, 100%);
  gap: 12px;
  margin: 8px auto 0 !important;
}

.generator-catalog h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.55rem, 3.5vw, 2.25rem);
  font-weight: 820;
  line-height: 1.05;
}

.generator-catalog > p {
  margin: -4px 0 2px;
  color: var(--muted);
  font-size: 0.98rem;
  font-weight: 720;
}

.generator-card-list {
  display: grid;
  gap: 12px;
}

.generator-choice-card,
.generator-action-card {
  min-height: 92px;
}

.generator-action-card.is-primary {
  border-color: rgba(47, 141, 242, 0.32);
}

.generator-action-card:disabled {
  cursor: not-allowed;
  opacity: 0.72;
  transform: none;
}

.course-catalog.is-generator-flow {
  width: min(840px, 100%);
}

.course-card-list.is-flipping-out .course-generator-panel,
.course-card-list.is-flipping-out .generator-prep-panel {
  animation: course-card-fold-out 230ms cubic-bezier(0.4, 0, 0.2, 1) both;
}

.course-card-list.is-flipping-in .course-generator-panel,
.course-card-list.is-flipping-in .generator-prep-panel {
  animation: course-card-fold-in 360ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.course-generator-panel {
  display: grid;
  gap: 18px;
  min-height: 470px;
  align-content: start;
  padding: 30px;
  border: 1px solid rgba(54, 85, 118, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  box-shadow: 0 18px 48px var(--soft-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.82);
  transform-origin: 50% 50%;
  backdrop-filter: blur(10px);
}

.course-generator-copy {
  display: grid;
  gap: 8px;
}

.course-generator-copy small {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 840;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.course-generator-copy h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.7rem, 4vw, 2.55rem);
  font-weight: 860;
  line-height: 1.04;
}

.course-generator-copy p {
  margin: 0;
  max-width: 62ch;
  color: var(--ink-2);
  font-size: 0.98rem;
  font-weight: 680;
  line-height: 1.55;
}

.course-generator-prompt-label {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 840;
}

.course-generator-prompt {
  width: 100%;
  min-height: 184px;
  resize: vertical;
  padding: 18px 18px;
  border: 1px solid rgba(54, 85, 118, 0.22);
  border-radius: 12px;
  background: rgba(248, 251, 255, 0.92);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  font-weight: 640;
  line-height: 1.5;
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.course-generator-prompt:focus {
  border-color: rgba(47, 141, 242, 0.48);
  box-shadow: 0 0 0 4px rgba(47, 141, 242, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.76);
}

.course-generator-option {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 10px;
  color: var(--ink-2);
  font-size: 0.95rem;
  font-weight: 760;
}

.course-generator-option input {
  width: 18px;
  height: 18px;
  accent-color: #2f8df2;
}

.course-generator-message {
  margin: 0;
  padding: 12px 14px;
  border: 1px solid rgba(47, 141, 242, 0.16);
  border-radius: 12px;
  background: rgba(47, 141, 242, 0.08);
  color: var(--ink-2);
  font-size: 0.94rem;
  font-weight: 760;
}

@media (max-width: 720px) {
  .generator-catalog {
    width: 100%;
  }

  .course-generator-panel {
    min-height: 420px;
    padding: 24px;
  }
}

/* Generator question-flow slice */
.generator-run-panel,
.generator-question-panel,
.generator-result-panel {
  min-height: 420px;
}

.generator-thinking-strip {
  display: flex;
  gap: 10px;
  align-items: center;
  margin: 4px 0 8px;
}

.generator-thinking-strip span {
  display: block;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: rgba(47, 141, 242, 0.34);
  animation: generator-thinking-pulse 1.1s ease-in-out infinite;
}

.generator-thinking-strip span:nth-child(2) {
  animation-delay: 0.16s;
}

.generator-thinking-strip span:nth-child(3) {
  animation-delay: 0.32s;
}

@keyframes generator-thinking-pulse {
  0%, 100% {
    opacity: 0.35;
    transform: translateY(0) scale(0.92);
  }
  50% {
    opacity: 1;
    transform: translateY(-3px) scale(1.02);
  }
}

.generator-question-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.generator-answer-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 12px 18px;
  border: 1px solid rgba(10, 18, 32, 0.1);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  font: inherit;
  text-align: left;
  box-shadow: 0 4px 12px rgba(14, 35, 66, 0.05);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
  width: 100%;
}

button.generator-answer-card {
  cursor: pointer;
}

button.generator-answer-card:hover,
button.generator-answer-card:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(47, 141, 242, 0.38);
  box-shadow: 0 8px 24px rgba(47, 141, 242, 0.12);
  outline: none;
}

button.generator-answer-card:hover small,
button.generator-answer-card:focus-visible small {
  display: block;
}

.generator-answer-main {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.generator-answer-main strong {
  font-size: 1.02rem;
  line-height: 1.28;
}

.generator-answer-card small {
  display: none;
  color: var(--ink-2);
  font-size: 0.85rem;
  line-height: 1.45;
  white-space: normal;
  word-wrap: break-word;
}

.generator-answer-info {
  display: inline-flex;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(47, 141, 242, 0.12);
  color: #1f66c4;
  font-size: 0.82rem;
  font-weight: 900;
}

.generator-custom-answer-card {
  background: rgba(250, 252, 255, 0.88);
}

.generator-custom-answer-card label {
  color: var(--ink);
  font-weight: 840;
}

.generator-custom-answer-card textarea {
  width: 100%;
  resize: vertical;
  min-height: 76px;
  padding: 12px 13px;
  border: 1px solid rgba(10, 18, 32, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font: inherit;
  line-height: 1.45;
  outline: none;
}

.generator-custom-answer-card textarea:focus {
  border-color: rgba(47, 141, 242, 0.42);
  box-shadow: 0 0 0 4px rgba(47, 141, 242, 0.1);
}

.generator-custom-answer-card button {
  width: fit-content;
  padding: 10px 14px;
  border: 0;
  border-radius: 12px;
  background: #111827;
  color: #fff;
  font: inherit;
  font-weight: 820;
  cursor: pointer;
}

.course-generator-message.is-warning {
  border-color: rgba(194, 120, 3, 0.22);
  background: rgba(255, 183, 77, 0.14);
}

.generator-result-box {
  display: grid;
  gap: 8px;
  padding: 16px;
  border: 1px solid rgba(10, 18, 32, 0.1);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
}

.generator-result-box strong {
  color: var(--ink);
  font-size: 0.92rem;
}

.generator-result-box code {
  display: block;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--ink-2);
  font: 0.95rem/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (max-width: 720px) {
  .generator-question-options {
    grid-template-columns: 1fr;
  }

  .generator-answer-card {
    min-height: 0;
  }
}

/* Generator paper JSON slice */
.generator-result-box-large {
  max-height: 560px;
  overflow: auto;
}

.generator-result-box-large code {
  font-size: 0.82rem;
  line-height: 1.45;
}

/* Generated paper preview + PDF renderer */
.generated-paper-preview-wrap {
  display: grid;
  gap: 14px;
  width: min(100%, 960px);
  margin: 12px auto 0;
}

.generated-paper-preview-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  color: var(--ink);
}

.generated-paper-preview-head strong {
  font-size: 0.78rem;
  font-weight: 860;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.generated-paper-preview-head span {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 680;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.generated-paper-preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 80vh;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 24px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  border-radius: 8px;
  background:
    radial-gradient(circle at top left, rgba(79, 70, 229, 0.08), transparent 34%),
    linear-gradient(180deg, rgba(248, 250, 252, 0.9), rgba(241, 245, 249, 0.9));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.generated-paper-sheet {
  display: flex;
  flex-direction: column;
  gap: 22px;
  width: 794px;
  transform: scale(var(--preview-scale, 1));
  transform-origin: top center;
  align-items: center;
  padding-bottom: 24px;
}

.tenet-pdf-page {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 794px;
  min-height: 1123px;
  padding: 58px 62px 54px;
  border: 1px solid rgba(148, 163, 184, 0.55);
  border-radius: 2px;
  background: #ffffff;
  color: #111827;
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.13);
  font-family: Arial, Helvetica, sans-serif;
  break-inside: avoid;
}

.is-question-page {
  break-before: page;
}

.tenet-pdf-page .katex-display {
  overflow: hidden;
}

.tenet-pdf-page .katex {
  font-size: var(--math-fit-size, 1em);
}

.tenet-page-header,
.tenet-page-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: #64748b;
  font-size: 0.76rem;
  font-weight: 700;
}

.tenet-page-header {
  padding-bottom: 14px;
  border-bottom: 1px solid #cbd5e1;
}

.tenet-page-header strong {
  min-width: 0;
  overflow: hidden;
  color: #111827;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tenet-page-footer {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid #e2e8f0;
}

.tenet-paper-front,
.tenet-mark-front {
  display: grid;
  align-content: start;
  gap: 34px;
  min-height: 100%;
}

.tenet-paper-brand-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.tenet-paper-logo {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border: 2px solid #111827;
  border-radius: 12px;
  color: #111827;
  font-size: 1.6rem;
  font-weight: 900;
}

.tenet-paper-brand-row strong {
  display: block;
  font-size: 1.15rem;
  font-weight: 900;
}

.tenet-paper-brand-row span {
  display: block;
  color: #64748b;
  font-size: 0.85rem;
  font-weight: 700;
}

.tenet-paper-front-title {
  display: grid;
  gap: 8px;
  margin-top: 70px;
}

.tenet-paper-front-title small {
  color: #4f46e5;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.tenet-paper-front-title h1,
.tenet-mark-front h1 {
  max-width: 13ch;
  margin: 0;
  color: #111827;
  font-size: 3.3rem;
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.tenet-paper-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.tenet-paper-meta-grid div {
  display: grid;
  gap: 5px;
  padding: 14px 16px;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  background: #f8fafc;
}

.tenet-paper-meta-grid dt,
.tenet-paper-meta-grid dd {
  margin: 0;
}

.tenet-paper-meta-grid dt {
  color: #64748b;
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tenet-paper-meta-grid dd {
  color: #111827;
  font-size: 0.95rem;
  font-weight: 850;
}

.tenet-paper-instructions {
  display: grid;
  gap: 10px;
  margin-top: 16px;
  padding: 18px 20px;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
}

.tenet-paper-instructions h2 {
  margin: 0;
  font-size: 1.05rem;
}

.tenet-paper-instructions ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 18px;
  color: #334155;
  font-size: 0.92rem;
  line-height: 1.35;
}

.tenet-paper-name-box {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: end;
  gap: 14px;
  margin-top: auto;
  color: #64748b;
  font-size: 0.82rem;
  font-weight: 850;
}

.tenet-paper-name-box i {
  display: block;
  height: 28px;
  border-bottom: 1.5px solid #111827;
}

.tenet-paper-question,
.tenet-mark-question {
  display: grid;
  gap: 20px;
  padding-top: 28px;
}

.tenet-question-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 20px;
}

.tenet-question-header div {
  display: grid;
  gap: 3px;
}

.tenet-question-header span {
  color: #111827;
  font-size: 1.18rem;
  font-weight: 900;
}

.tenet-question-header small {
  color: #64748b;
  font-size: 0.78rem;
  font-weight: 760;
}

.tenet-question-header strong {
  color: #111827;
  font-size: 0.86rem;
  font-weight: 900;
  white-space: nowrap;
}

.tenet-question-blocks,
.tenet-block {
  display: grid;
  gap: 14px;
}

.tenet-block {
  margin: 0;
}

.tenet-rich-text {
  color: #111827;
  font-size: 0.98rem;
  line-height: 1.48;
}

.tenet-rich-text p,
.tenet-rich-text ul,
.tenet-rich-text ol {
  margin: 0;
}

.tenet-context-block,
.tenet-formula-box,
.tenet-code-block {
  padding: 14px 16px;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  background: #f8fafc;
}

.tenet-context-block > strong,
.tenet-formula-box > strong {
  display: block;
  color: #334155;
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tenet-formula-box ul {
  display: grid;
  gap: 8px;
  margin: 8px 0 0;
  padding-left: 18px;
}

.tenet-table-block table,
.tenet-mark-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.tenet-table-block th,
.tenet-table-block td,
.tenet-mark-table th,
.tenet-mark-table td {
  padding: 9px 10px;
  border: 1px solid #cbd5e1;
  vertical-align: top;
  text-align: left;
}

.tenet-table-block th,
.tenet-mark-table th {
  background: #f1f5f9;
  color: #334155;
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tenet-code-block small {
  color: #64748b;
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tenet-code-block pre {
  margin: 8px 0 0;
  overflow: hidden;
  white-space: pre-wrap;
  font-size: 0.86rem;
  line-height: 1.45;
}

.tenet-sub-questions-block {
  gap: 20px;
}

.tenet-sub-question {
  display: grid;
  gap: 10px;
}

.tenet-sub-question-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.tenet-sub-question-head strong {
  font-size: 1rem;
  font-weight: 900;
}

.tenet-sub-question-head span {
  color: #64748b;
  font-size: 0.82rem;
  font-weight: 850;
}

.tenet-answer-lines {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.tenet-answer-lines span,
.tenet-working-page-lines span {
  display: block;
  height: 22px;
  border-bottom: 1px solid #cbd5e1;
}

.tenet-working-page-lines {
  display: grid;
  gap: 14px;
  padding-top: 28px;
}

.tenet-visual-block {
  justify-items: center;
  padding: 6px 0 4px;
}

.tenet-visual-svg {
  display: block;
  width: min(100%, 560px);
  max-height: 340px;
  overflow: visible;
}

.tenet-visual-svg .grid {
  stroke: #e2e8f0;
  stroke-width: 1;
}

.tenet-visual-svg .axis,
.tenet-visual-svg .tick {
  stroke: #111827;
  stroke-width: 1.6;
}

.tenet-visual-svg .graph-line,
.tenet-visual-svg .tree-line {
  fill: none;
  stroke: #111827;
  stroke-width: 2.2;
}

.tenet-visual-svg .graph-line.dashed {
  stroke-dasharray: 6 5;
}

.tenet-visual-svg .graph-point {
  fill: #111827;
  stroke: #111827;
}

.tenet-visual-svg .marker-open {
  fill: #ffffff;
  stroke: #111827;
  stroke-width: 2;
}

.tenet-visual-svg .axis-label,
.tenet-visual-svg .visual-label {
  fill: #334155;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 700;
}

.tenet-visual-svg .visual-title {
  fill: #111827;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
  font-weight: 900;
}

.tenet-visual-svg .shape-main,
.tenet-visual-svg .boxplot-box,
.tenet-visual-svg .venn-circle {
  fill: rgba(79, 70, 229, 0.08);
  stroke: #111827;
  stroke-width: 2;
}

.tenet-visual-svg .bar,
.tenet-visual-svg .pie-slice {
  fill: rgba(79, 70, 229, 0.18);
  stroke: #111827;
  stroke-width: 1.4;
}

.tenet-visual-svg .slice-1 { fill: rgba(37, 99, 235, 0.16); }
.tenet-visual-svg .slice-2 { fill: rgba(22, 163, 74, 0.14); }
.tenet-visual-svg .slice-3 { fill: rgba(201, 138, 27, 0.16); }
.tenet-visual-svg .slice-4 { fill: rgba(201, 77, 107, 0.14); }
.tenet-visual-svg .slice-5 { fill: rgba(14, 165, 168, 0.14); }

.tenet-visual-fallback {
  width: 100%;
  padding: 14px;
  border: 1px dashed #94a3b8;
  border-radius: 8px;
  color: #64748b;
  text-align: center;
}

.tenet-mark-front p {
  max-width: 58ch;
  color: #334155;
  font-size: 1rem;
  line-height: 1.5;
}

.tenet-mark-table td:nth-child(1),
.tenet-mark-table td:nth-child(2),
.tenet-mark-table td:nth-child(3) {
  width: 72px;
  text-align: center;
  font-weight: 800;
}

.generated-paper-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 16px;
}

.generated-paper-download {
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid rgba(79, 70, 229, 0.38);
  border-radius: 999px;
  background: var(--blue-purple-gradient);
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 860;
  box-shadow: 0 12px 26px rgba(79, 70, 229, 0.18);
}

.generated-paper-download.is-secondary {
  background: #ffffff;
  color: #111827;
  border-color: var(--stroke-strong);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
}

.generated-paper-download:disabled {
  cursor: wait;
  opacity: 0.72;
}

.generator-result-box summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 850;
}

@media (max-width: 900px) {
  .generated-paper-preview {
    padding: 14px;
  }

  .tenet-pdf-page {
    width: 700px;
    height: 990px;
    padding: 46px 48px;
  }
}

/* Tenet generated paper export cleanup */
.tenet-pdf-export-root {
  position: fixed;
  left: -10000px;
  top: 0;
  z-index: -1;
  display: block;
  width: 794px;
  background: #ffffff;
  color: #111827;
  pointer-events: none;
  overflow: visible;
}

.tenet-pdf-export-root .tenet-pdf-page {
  width: 794px !important;
  height: 1123px !important;
  min-height: 1123px !important;
  max-height: 1123px !important;
  margin: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  transform: none !important;
  overflow: hidden !important;
  background: #ffffff !important;
}

.tenet-pdf-export-root .is-question-page,
.tenet-pdf-export-root .is-mark-page,
.tenet-pdf-export-root .is-working-page,
.tenet-pdf-export-root .is-mark-scheme-intro {
  break-before: auto;
}

.tenet-pdf-page .katex-error,
.tenet-pdf-export-root .katex-error {
  color: inherit !important;
  background: transparent !important;
  border: 0 !important;
  font-family: inherit !important;
}

.tenet-rich-text .katex,
.tenet-mark-table .katex {
  color: inherit;
}


/* Paper generator release polish */
.generator-result-panel {
  gap: 22px;
}

.generated-paper-actions {
  position: sticky;
  bottom: 14px;
  z-index: 4;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  padding: 14px;
  border: 1px solid rgba(148, 163, 184, 0.42);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.12);
  backdrop-filter: blur(16px);
}

.generated-paper-download:disabled {
  cursor: wait;
  opacity: 0.72;
}

.generated-paper-preview-wrap {
  scroll-margin-top: 18px;
}

.tenet-pdf-page.is-pdf-export-clone {
  margin: 0;
  border: 0;
  border-radius: 0;
  overflow: hidden;
}

.tenet-rich-text code {
  padding: 0.08em 0.24em;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  background: #f8fafc;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
}

.tenet-rich-text .katex-error {
  color: inherit !important;
  border-color: transparent !important;
}

.tenet-visual-svg .right-angle {
  fill: none;
  stroke: #111827;
  stroke-width: 1.8;
}

.tenet-visual-svg .graph-point-label {
  fill: #111827;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 800;
}

.tenet-visual-svg .axis-label {
  dominant-baseline: central;
}

.tenet-paper-instructions {
  background: #ffffff;
}

@media print {
  .generated-paper-actions,
  .generated-paper-preview-head {
    display: none !important;
  }

  .generated-paper-preview {
    height: auto;
    overflow: visible;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .generated-paper-sheet {
    transform: none !important;
    gap: 0;
  }

  .tenet-pdf-page {
    box-shadow: none;
    border: 0;
    break-after: page;
  }
}


/* Flashcard generator release styles */
.generator-result-panel.is-flashcard-result {
  gap: 24px;
}

.generated-flashcard-preview-wrap .generated-paper-preview-head strong {
  color: transparent;
  background: var(--blue-purple-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.generated-flashcard-sheet {
  display: grid;
  gap: 22px;
  justify-items: center;
}

.tenet-pdf-page.is-flashcard-front-page,
.tenet-pdf-page.is-flashcard-page {
  background:
    linear-gradient(180deg, rgba(124, 58, 237, 0.035), rgba(37, 99, 235, 0.015) 36%, rgba(255, 255, 255, 0) 70%),
    #ffffff;
}

.tenet-flashcard-front-page {
  display: grid;
  min-height: 100%;
  align-content: center;
  gap: 24px;
}

.tenet-flashcard-front-page h1 {
  max-width: 14ch;
  margin: 0;
  color: var(--ink);
  font-size: 46px;
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.tenet-flashcard-front-page p {
  max-width: 56ch;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.55;
}

.tenet-flashcard-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  min-height: 930px;
  align-content: start;
}

.tenet-flashcard-card {
  display: grid;
  grid-template-rows: auto auto 1fr auto auto;
  gap: 10px;
  min-height: 430px;
  padding: 18px;
  border: 1px solid rgba(148, 163, 184, 0.72);
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgba(124, 58, 237, 0.04), rgba(37, 99, 235, 0.025)),
    rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.055);
  overflow: hidden;
}

.tenet-flashcard-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(203, 213, 225, 0.9);
}

.tenet-flashcard-card header span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tenet-flashcard-card header strong {
  color: var(--ink);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.tenet-flashcard-topic {
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
}

.tenet-flashcard-side {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.tenet-flashcard-side small {
  color: var(--quiet);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.tenet-flashcard-side .tenet-rich-text {
  color: var(--ink);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.42;
}

.tenet-flashcard-side .tenet-rich-text p {
  margin: 0 0 6px;
}

.tenet-flashcard-side.is-front {
  padding: 10px 0 12px;
  border-bottom: 1px dashed rgba(148, 163, 184, 0.7);
}

.tenet-flashcard-side.is-front .tenet-rich-text {
  font-size: 16px;
  font-weight: 760;
}

.tenet-flashcard-side.is-back {
  gap: 8px;
}

.tenet-flashcard-answer {
  padding: 10px 12px;
  border: 1px solid rgba(79, 70, 229, 0.2);
  border-radius: 12px;
  background: rgba(79, 70, 229, 0.045);
}

.tenet-flashcard-answer .tenet-rich-text {
  font-weight: 780;
}

.tenet-flashcard-explanation,
.tenet-flashcard-hook {
  display: grid;
  gap: 4px;
  padding: 9px 11px;
  border-radius: 12px;
  background: rgba(248, 250, 252, 0.86);
  color: var(--ink);
}

.tenet-flashcard-hook {
  border-left: 3px solid rgba(124, 58, 237, 0.44);
}

.tenet-flashcard-hook strong {
  color: var(--muted);
  font-size: 10px;
  font-weight: 880;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tenet-flashcard-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  align-self: end;
  padding-top: 4px;
}

.tenet-flashcard-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  padding: 0 8px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
  font-size: 10px;
  font-weight: 760;
}

.tenet-flashcard-card .tenet-visual-block {
  margin: 4px 0;
  padding: 6px;
  border-radius: 10px;
}

.tenet-flashcard-card .tenet-visual-svg {
  max-height: 130px;
}

.generated-flashcard-actions .generated-paper-download.is-secondary {
  background: #ffffff;
}

.tenet-pdf-export-root .tenet-flashcard-card {
  box-shadow: none;
}

@media (max-width: 760px) {
  .tenet-flashcard-grid {
    grid-template-columns: 1fr;
  }
}

/* Flashcard generator final card-deck polish: not A4 paper pages */
.generated-flashcard-preview-wrap {
  display: grid;
  gap: 12px;
}

.generated-flashcard-preview {
  max-height: 720px;
  overflow: auto;
  padding: clamp(16px, 2vw, 24px);
  border: 1px solid var(--stroke);
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(124, 58, 237, 0.045), rgba(37, 99, 235, 0.025)),
    rgba(248, 250, 252, 0.96);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.tenet-flashcard-pack,
.generated-flashcard-sheet {
  display: grid;
  width: min(100%, 980px);
  gap: 18px;
  margin: 0 auto;
  justify-items: stretch;
  transform: none !important;
}

.tenet-flashcard-deck {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr));
  gap: 18px;
  align-items: stretch;
}

.tenet-flashcard-card {
  display: grid;
  grid-template-rows: auto auto auto 1fr auto;
  gap: 11px;
  min-height: 300px;
  padding: 18px;
  border: 1px solid rgba(148, 163, 184, 0.72);
  border-radius: 22px;
  background:
    radial-gradient(circle at 16% 0%, rgba(124, 58, 237, 0.08), transparent 32%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.94));
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.09);
  overflow: hidden;
}

.tenet-flashcard-admin-card {
  min-height: 260px;
  border-color: rgba(79, 70, 229, 0.3);
  background:
    radial-gradient(circle at 0% 0%, rgba(124, 58, 237, 0.16), transparent 28%),
    linear-gradient(135deg, #ffffff, #f8fafc);
}

.tenet-flashcard-admin-title {
  display: flex;
  gap: 14px;
  align-items: center;
}

.tenet-flashcard-admin-title h3 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.8rem, 3vw, 2.65rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.tenet-flashcard-admin-title p,
.tenet-flashcard-ownership {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 660;
  line-height: 1.5;
}

.tenet-flashcard-admin-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.tenet-flashcard-admin-grid div {
  display: grid;
  gap: 3px;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid rgba(203, 213, 225, 0.9);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.78);
}

.tenet-flashcard-admin-grid dt,
.tenet-flashcard-admin-grid dd {
  margin: 0;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tenet-flashcard-admin-grid dt,
.tenet-flashcard-admin-section strong {
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 880;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tenet-flashcard-admin-grid dd {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 850;
}

.tenet-flashcard-admin-section {
  display: grid;
  gap: 5px;
  padding: 10px 12px;
  border: 1px solid rgba(203, 213, 225, 0.76);
  border-radius: 14px;
  background: rgba(248, 250, 252, 0.76);
}

.tenet-flashcard-admin-section p {
  margin: 0;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 680;
  line-height: 1.45;
}

.tenet-flashcard-side.is-front {
  min-height: 74px;
}

.tenet-flashcard-side.is-back {
  min-height: 110px;
}

.tenet-flashcard-side .tenet-rich-text {
  overflow-wrap: anywhere;
}

.tenet-flashcard-export-root {
  position: fixed;
  left: -10000px;
  top: 0;
  z-index: -1;
  display: grid;
  gap: 0;
  width: 1024px;
  background: #ffffff;
  color: #111827;
  pointer-events: none;
  overflow: visible;
}

.tenet-flashcard-export-root .is-flashcard-export-card {
  width: 1024px !important;
  height: 682px !important;
  min-height: 682px !important;
  max-height: 682px !important;
  margin: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  transform: none !important;
  overflow: hidden !important;
  background: #ffffff !important;
}

@media (max-width: 760px) {
  .tenet-flashcard-admin-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .generated-flashcard-preview {
    padding: 14px;
  }
}

/* Flashcard generator final format fixes: real 3x5 index-card ratio, not A4 sheets */
.generated-flashcard-preview {
  max-height: 760px;
  padding: clamp(18px, 2.2vw, 28px);
}

.tenet-flashcard-pack {
  width: min(100%, 1040px);
  gap: 20px;
}

.tenet-flashcard-deck {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 390px), 1fr));
  gap: 18px;
}

.tenet-flashcard-card {
  aspect-ratio: 5 / 3;
  min-height: 0 !important;
  height: auto;
  display: grid;
  grid-template-rows: auto auto minmax(0, 0.95fr) minmax(0, 1.25fr) auto;
  gap: 9px;
  padding: clamp(14px, 1.7vw, 18px);
  overflow: hidden;
}

.tenet-flashcard-admin-card {
  aspect-ratio: 5 / 3;
  min-height: 0 !important;
  grid-template-rows: auto auto auto minmax(0, 1fr) auto;
}

.tenet-flashcard-card header {
  padding-bottom: 6px;
}

.tenet-flashcard-side {
  min-height: 0 !important;
  overflow: hidden;
}

.tenet-flashcard-side .tenet-rich-text {
  font-size: clamp(0.78rem, 1.12vw, 0.92rem);
  line-height: 1.34;
}

.tenet-flashcard-side.is-front .tenet-rich-text {
  font-size: clamp(0.9rem, 1.24vw, 1.05rem);
  line-height: 1.28;
}

.tenet-flashcard-answer,
.tenet-flashcard-explanation,
.tenet-flashcard-hook {
  padding: 7px 9px;
  border-radius: 10px;
}

.tenet-flashcard-explanation,
.tenet-flashcard-hook {
  font-size: 0.82rem;
  line-height: 1.28;
}

.tenet-flashcard-tags {
  gap: 4px;
  overflow: hidden;
}

.tenet-flashcard-tags span {
  min-height: 18px;
  padding: 0 7px;
  font-size: 0.62rem;
}

.tenet-flashcard-admin-title h3 {
  font-size: clamp(1.45rem, 2.5vw, 2.25rem);
  letter-spacing: -0.055em;
}

.tenet-flashcard-admin-title p,
.tenet-flashcard-ownership,
.tenet-flashcard-admin-section p {
  font-size: clamp(0.72rem, 1.05vw, 0.86rem);
  line-height: 1.36;
}

.tenet-flashcard-admin-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.tenet-flashcard-admin-grid div,
.tenet-flashcard-admin-section {
  padding: 8px 10px;
  border-radius: 12px;
}

.tenet-flashcard-admin-grid dd {
  font-size: 0.78rem;
}

.tenet-flashcard-export-root {
  position: fixed;
  left: -20000px;
  top: 0;
  z-index: -1;
  display: grid;
  gap: 0;
  width: 1500px;
  background: #ffffff;
  color: #111827;
  pointer-events: none;
  overflow: visible;
}

.tenet-flashcard-export-root .is-flashcard-export-card {
  width: 1500px !important;
  height: 900px !important;
  min-height: 900px !important;
  max-height: 900px !important;
  aspect-ratio: 5 / 3 !important;
  margin: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  transform: none !important;
  overflow: hidden !important;
  background: #ffffff !important;
  padding: 54px !important;
}

.tenet-flashcard-a4-export-root {
  position: fixed;
  left: -24000px;
  top: 0;
  z-index: -1;
  display: grid;
  gap: 0;
  width: 1240px;
  background: #ffffff;
  color: #111827;
  pointer-events: none;
  overflow: visible;
}

.tenet-flashcard-a4-export-page {
  width: 1240px;
  height: 1754px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: repeat(4, minmax(0, 1fr));
  gap: 26px 30px;
  padding: 48px;
  background: #ffffff;
  overflow: hidden;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card {
  width: 100% !important;
  aspect-ratio: 5 / 3 !important;
  align-self: center;
  justify-self: center;
  min-height: 0 !important;
  height: auto !important;
  max-height: 100% !important;
  margin: 0 !important;
  border-radius: 16px !important;
  box-shadow: none !important;
  overflow: hidden !important;
  padding: 22px !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-side .tenet-rich-text {
  font-size: 13px;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-side.is-front .tenet-rich-text {
  font-size: 15px;
}

@media (max-width: 760px) {
  .tenet-flashcard-card,
  .tenet-flashcard-admin-card {
    aspect-ratio: auto;
    min-height: 260px !important;
  }
}

/* Flashcard auxiliary blocks: safe wrappers for model-generated tables, formulae and visuals. */
.tenet-flashcard-aux-block {
  display: block;
  width: 100%;
  max-width: 100%;
  margin-top: 10px;
  overflow: hidden;
}

.tenet-flashcard-aux-block .tenet-block {
  margin: 0;
}

.tenet-flashcard-text-aux,
.tenet-flashcard-parts-aux {
  padding: 10px 12px;
  border: 1px solid rgba(203, 213, 225, 0.8);
  border-radius: 10px;
  background: rgba(248, 250, 252, 0.78);
  color: var(--ink);
}

.tenet-flashcard-parts-aux {
  display: grid;
  gap: 7px;
}

.tenet-flashcard-visual-aux svg,
.tenet-flashcard-aux-block svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Flashcard refinement: each revision card has a distinct front frame and back frame. */
.tenet-flashcard-deck {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.tenet-flashcard-pair {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr));
  gap: 16px;
  align-items: stretch;
}

.tenet-flashcard-frame {
  grid-template-rows: auto auto minmax(0, 1fr) auto !important;
}

.tenet-flashcard-frame .tenet-flashcard-side {
  border: 0 !important;
  padding: 10px 0 0 !important;
  overflow: hidden;
}

.tenet-flashcard-frame.is-front-frame {
  background:
    radial-gradient(circle at 14% 0%, rgba(124, 58, 237, 0.085), transparent 32%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.99), rgba(248, 250, 252, 0.95));
}

.tenet-flashcard-frame.is-back-frame {
  background:
    radial-gradient(circle at 86% 0%, rgba(37, 99, 235, 0.085), transparent 32%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.99), rgba(248, 250, 252, 0.95));
}

.tenet-flashcard-frame.is-back-frame header strong {
  color: #2563eb;
}

.tenet-flashcard-frame.is-front-frame .tenet-flashcard-side .tenet-rich-text {
  display: grid;
  min-height: 100%;
  align-content: center;
  font-size: clamp(1rem, 1.45vw, 1.22rem);
  font-weight: 820;
  line-height: 1.28;
}

.tenet-flashcard-frame.is-back-frame .tenet-flashcard-answer {
  font-size: clamp(0.86rem, 1.05vw, 1rem);
}

.tenet-flashcard-frame.is-back-frame .tenet-flashcard-explanation,
.tenet-flashcard-frame.is-back-frame .tenet-flashcard-hook {
  font-size: clamp(0.78rem, 0.94vw, 0.88rem);
}

.tenet-flashcard-a4-export-page {
  page-break-after: always;
}

.tenet-flashcard-a4-export-page.is-back-sheet .is-flashcard-a4-card {
  background:
    radial-gradient(circle at 86% 0%, rgba(37, 99, 235, 0.05), transparent 32%),
    #ffffff !important;
}

.tenet-flashcard-a4-blank-slot {
  width: 100%;
  aspect-ratio: 5 / 3;
  align-self: center;
  justify-self: center;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card {
  display: grid !important;
  grid-template-rows: auto auto minmax(0, 1fr) auto !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-tags {
  display: none;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-answer,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-explanation,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-hook {
  padding: 6px 8px;
  border-radius: 8px;
}

/* Final flashcard format reset: front/back are real flashcard faces, not paper miniatures. */
.tenet-flashcard-deck {
  display: grid !important;
  gap: 26px !important;
}

.tenet-flashcard-pair {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)) !important;
  gap: 18px !important;
  align-items: stretch !important;
}

.tenet-flashcard-frame {
  display: grid !important;
  aspect-ratio: 5 / 3 !important;
  min-height: 0 !important;
  grid-template-rows: auto minmax(0, 1fr) auto !important;
  padding: clamp(16px, 2.2vw, 26px) !important;
  overflow: hidden !important;
  border: 1px solid rgba(100, 116, 139, 0.42) !important;
  border-radius: 22px !important;
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%) !important;
  box-shadow: 0 16px 38px rgba(15, 23, 42, 0.08) !important;
}

.tenet-flashcard-frame-head {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 12px !important;
  padding: 0 0 10px !important;
  border-bottom: 1px solid rgba(148, 163, 184, 0.42) !important;
  color: #64748b !important;
  font-size: clamp(0.58rem, 0.78vw, 0.74rem) !important;
  font-weight: 900 !important;
  letter-spacing: 0.12em !important;
  text-transform: uppercase !important;
}

.tenet-flashcard-frame-head strong {
  color: #111827 !important;
  font-weight: 950 !important;
}

.tenet-flashcard-front-layout {
  display: grid !important;
  min-height: 0 !important;
  height: 100% !important;
  grid-template-rows: minmax(0, auto) minmax(0, 1fr) !important;
  align-content: center !important;
  justify-items: center !important;
  gap: clamp(8px, 1vw, 14px) !important;
  padding: clamp(10px, 1.6vw, 22px) clamp(8px, 1.5vw, 20px) !important;
  text-align: center !important;
}

.tenet-flashcard-front-layout:not(:has(.tenet-flashcard-front-visuals)) {
  grid-template-rows: minmax(0, 1fr) !important;
}

.tenet-flashcard-front-text {
  display: grid !important;
  place-items: center !important;
  width: 100% !important;
  min-height: 0 !important;
  color: #111827 !important;
}

.tenet-flashcard-front-text .tenet-rich-text,
.tenet-flashcard-front-text .tenet-rich-text p {
  margin: 0 !important;
  font-size: clamp(1.34rem, 2.4vw, 2.35rem) !important;
  font-weight: 930 !important;
  line-height: 1.12 !important;
  letter-spacing: -0.045em !important;
  text-align: center !important;
}

.tenet-flashcard-front-visuals {
  display: grid !important;
  width: min(72%, 430px) !important;
  max-height: 38% !important;
  place-items: center !important;
  overflow: hidden !important;
}

.tenet-flashcard-front-visuals .tenet-flashcard-aux-block,
.tenet-flashcard-panel-visuals .tenet-flashcard-aux-block {
  width: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
}

.tenet-flashcard-front-visuals svg,
.tenet-flashcard-panel-visuals svg {
  max-width: 100% !important;
  max-height: 100% !important;
}

.tenet-flashcard-front-footer {
  min-height: 20px !important;
  padding-top: 8px !important;
  border-top: 1px dashed rgba(148, 163, 184, 0.35) !important;
  color: #64748b !important;
  font-size: clamp(0.66rem, 0.88vw, 0.8rem) !important;
  font-weight: 800 !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  white-space: nowrap !important;
}

.tenet-flashcard-back-layout {
  display: grid !important;
  min-height: 0 !important;
  height: 100% !important;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) !important;
  gap: clamp(10px, 1.3vw, 18px) !important;
  padding: clamp(10px, 1.4vw, 18px) 0 0 !important;
}

.tenet-flashcard-back-panel {
  display: grid !important;
  min-width: 0 !important;
  min-height: 0 !important;
  align-content: center !important;
  gap: 8px !important;
  padding: clamp(10px, 1.35vw, 16px) !important;
  border: 1px solid rgba(148, 163, 184, 0.38) !important;
  border-radius: 16px !important;
  background: rgba(248, 250, 252, 0.88) !important;
  overflow: hidden !important;
}

.tenet-flashcard-back-panel small {
  display: block !important;
  color: #64748b !important;
  font-size: clamp(0.56rem, 0.72vw, 0.68rem) !important;
  font-weight: 930 !important;
  letter-spacing: 0.13em !important;
  text-transform: uppercase !important;
}

.tenet-flashcard-panel-text {
  min-width: 0 !important;
  overflow: hidden !important;
}

.tenet-flashcard-panel-text .tenet-rich-text,
.tenet-flashcard-panel-text .tenet-rich-text p {
  margin: 0 !important;
  color: #111827 !important;
  font-size: clamp(0.86rem, 1.15vw, 1.14rem) !important;
  font-weight: 830 !important;
  line-height: 1.24 !important;
}

.tenet-flashcard-panel-visuals {
  display: grid !important;
  min-height: 0 !important;
  place-items: center !important;
  overflow: hidden !important;
}

.tenet-flashcard-tags {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 5px !important;
  align-self: end !important;
  max-height: 23px !important;
  overflow: hidden !important;
}

.tenet-flashcard-tags span {
  padding: 2px 7px !important;
  font-size: 0.58rem !important;
  font-weight: 760 !important;
}

.tenet-flashcard-export-root .is-flashcard-export-card {
  width: 1500px !important;
  height: 900px !important;
  border-radius: 36px !important;
  padding: 54px !important;
}

.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-front-text .tenet-rich-text,
.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-front-text .tenet-rich-text p {
  font-size: 58px !important;
  line-height: 1.08 !important;
}

.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-panel-text .tenet-rich-text,
.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-panel-text .tenet-rich-text p {
  font-size: 31px !important;
  line-height: 1.16 !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card {
  aspect-ratio: 5 / 3 !important;
  padding: 14px !important;
  border-radius: 12px !important;
  grid-template-rows: auto minmax(0, 1fr) auto !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-front-text .tenet-rich-text,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-front-text .tenet-rich-text p {
  font-size: 20px !important;
  line-height: 1.08 !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-panel-text .tenet-rich-text,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-panel-text .tenet-rich-text p {
  font-size: 9.5px !important;
  line-height: 1.12 !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-back-layout {
  gap: 6px !important;
  padding-top: 6px !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-back-panel {
  padding: 6px !important;
  border-radius: 8px !important;
  gap: 3px !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-frame-head {
  padding-bottom: 5px !important;
  font-size: 6px !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-front-footer,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-tags {
  display: none !important;
}

/* Final launch flashcard renderer: true front/back flashcard faces. */
.tenet-flashcard-pair {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 460px), 1fr)) !important;
  gap: 24px !important;
}

.tenet-flashcard-frame {
  position: relative !important;
  aspect-ratio: 5 / 3 !important;
  grid-template-rows: auto minmax(0, 1fr) !important;
  padding: clamp(18px, 2.2vw, 30px) !important;
  border-radius: 24px !important;
  background:
    radial-gradient(circle at 18% 18%, rgba(124, 58, 237, 0.055), transparent 34%),
    linear-gradient(135deg, #ffffff 0%, #fbfdff 100%) !important;
}

.tenet-flashcard-frame-head {
  position: relative !important;
  z-index: 2 !important;
  padding-bottom: 10px !important;
  border-bottom: 1px solid rgba(148, 163, 184, 0.34) !important;
}

.tenet-flashcard-front-layout {
  display: grid !important;
  height: 100% !important;
  min-height: 0 !important;
  place-items: center !important;
  padding: clamp(8px, 1.2vw, 16px) clamp(10px, 1.6vw, 22px) 20px !important;
  text-align: center !important;
}

.tenet-flashcard-front-text {
  display: grid !important;
  width: 100% !important;
  height: 100% !important;
  place-items: center !important;
}

.tenet-flashcard-front-text .tenet-rich-text,
.tenet-flashcard-front-text .tenet-rich-text p {
  margin: 0 !important;
  color: #0f172a !important;
  font-size: clamp(1.55rem, 2.9vw, 2.75rem) !important;
  font-weight: 930 !important;
  line-height: 1.08 !important;
  letter-spacing: -0.052em !important;
  text-align: center !important;
}

.tenet-flashcard-front-footer {
  position: absolute !important;
  left: clamp(18px, 2.2vw, 30px) !important;
  right: clamp(18px, 2.2vw, 30px) !important;
  bottom: clamp(12px, 1.5vw, 20px) !important;
  min-height: 0 !important;
  padding-top: 0 !important;
  border-top: 0 !important;
  color: #64748b !important;
  font-size: clamp(0.62rem, 0.82vw, 0.78rem) !important;
  text-align: center !important;
}

.tenet-flashcard-back-layout {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) !important;
  gap: clamp(12px, 1.5vw, 20px) !important;
  height: 100% !important;
  min-height: 0 !important;
  padding-top: clamp(10px, 1.2vw, 16px) !important;
}

.tenet-flashcard-back-panel {
  display: grid !important;
  grid-template-rows: auto minmax(0, 1fr) !important;
  align-content: stretch !important;
  padding: clamp(12px, 1.45vw, 18px) !important;
  border-radius: 18px !important;
  background: rgba(248, 250, 252, 0.82) !important;
}

.tenet-flashcard-back-panel small {
  margin-bottom: 8px !important;
}

.tenet-flashcard-panel-text {
  display: grid !important;
  align-content: center !important;
  min-height: 0 !important;
}

.tenet-flashcard-panel-text .tenet-rich-text,
.tenet-flashcard-panel-text .tenet-rich-text p,
.tenet-flashcard-panel-text .tenet-rich-text li {
  margin: 0 !important;
  color: #0f172a !important;
  font-size: clamp(0.98rem, 1.25vw, 1.24rem) !important;
  font-weight: 790 !important;
  line-height: 1.22 !important;
}

.tenet-flashcard-panel-visuals {
  min-height: 0 !important;
  height: 100% !important;
  place-items: center !important;
}

.tenet-flashcard-panel-visuals .tenet-flashcard-aux-block,
.tenet-flashcard-panel-visuals .tenet-block,
.tenet-flashcard-panel-visuals .tenet-visual-block {
  width: 100% !important;
  height: 100% !important;
  min-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
}

.tenet-flashcard-tags {
  position: absolute !important;
  left: clamp(18px, 2.2vw, 30px) !important;
  right: clamp(18px, 2.2vw, 30px) !important;
  bottom: clamp(10px, 1.2vw, 16px) !important;
  justify-content: center !important;
  opacity: 0.82 !important;
}

.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-front-text .tenet-rich-text,
.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-front-text .tenet-rich-text p {
  font-size: 64px !important;
  line-height: 1.06 !important;
}

.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-panel-text .tenet-rich-text,
.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-panel-text .tenet-rich-text p,
.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-panel-text .tenet-rich-text li {
  font-size: 35px !important;
  line-height: 1.14 !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-front-layout {
  padding: 3px 8px 10px !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-front-text .tenet-rich-text,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-front-text .tenet-rich-text p {
  font-size: 23px !important;
  line-height: 1.06 !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-panel-text .tenet-rich-text,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-panel-text .tenet-rich-text p,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-panel-text .tenet-rich-text li {
  font-size: 11.5px !important;
  line-height: 1.13 !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-back-panel small {
  margin-bottom: 3px !important;
  font-size: 5.8px !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-tags,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-front-footer {
  display: none !important;
}

/* Flashcard generator rebuild: true front/back study cards. */
.tenet-flashcard-pair {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 500px), 1fr)) !important;
  gap: 28px !important;
}

.tenet-flashcard-frame {
  position: relative !important;
  display: grid !important;
  aspect-ratio: 5 / 3 !important;
  grid-template-rows: auto minmax(0, 1fr) !important;
  padding: clamp(20px, 2.4vw, 34px) !important;
  overflow: hidden !important;
  border-radius: 26px !important;
  background:
    radial-gradient(circle at 14% 12%, rgba(124, 58, 237, 0.055), transparent 30%),
    linear-gradient(135deg, #ffffff 0%, #fbfdff 100%) !important;
}

.tenet-flashcard-frame-head {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  padding: 0 0 12px !important;
  border-bottom: 1px solid rgba(148, 163, 184, 0.36) !important;
  color: #64748b !important;
  font-size: clamp(0.6rem, 0.78vw, 0.76rem) !important;
  font-weight: 900 !important;
  letter-spacing: 0.13em !important;
  text-transform: uppercase !important;
}

.tenet-flashcard-frame-head strong {
  color: #111827 !important;
  font-weight: 950 !important;
}

.tenet-flashcard-front-layout {
  display: grid !important;
  height: 100% !important;
  min-height: 0 !important;
  place-items: center !important;
  padding: clamp(8px, 1.2vw, 16px) clamp(10px, 1.8vw, 28px) clamp(24px, 2.6vw, 42px) !important;
  text-align: center !important;
}

.tenet-flashcard-front-main {
  display: grid !important;
  width: 100% !important;
  min-height: 0 !important;
  justify-items: center !important;
  align-content: center !important;
  gap: clamp(10px, 1.2vw, 18px) !important;
  transform: translateY(-4%) !important;
}

.tenet-flashcard-front-title,
.tenet-flashcard-front-title .tenet-rich-text,
.tenet-flashcard-front-title .tenet-rich-text p {
  margin: 0 !important;
  max-width: 18ch !important;
  color: #0f172a !important;
  font-size: clamp(1.9rem, 3.35vw, 3.3rem) !important;
  font-weight: 950 !important;
  line-height: 1.03 !important;
  letter-spacing: -0.058em !important;
  text-align: center !important;
}

.tenet-flashcard-front-context,
.tenet-flashcard-front-context .tenet-rich-text,
.tenet-flashcard-front-context .tenet-rich-text p {
  margin: 0 !important;
  max-width: 42ch !important;
  color: #475569 !important;
  font-size: clamp(0.9rem, 1.18vw, 1.18rem) !important;
  font-weight: 650 !important;
  line-height: 1.3 !important;
  letter-spacing: -0.012em !important;
  text-align: center !important;
}

.tenet-flashcard-front-footer {
  display: none !important;
}

.tenet-flashcard-back-layout {
  display: grid !important;
  height: 100% !important;
  min-height: 0 !important;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) !important;
  gap: clamp(14px, 1.7vw, 24px) !important;
  padding: clamp(12px, 1.25vw, 18px) 0 clamp(28px, 2.6vw, 42px) !important;
}

.tenet-flashcard-back-panel {
  display: grid !important;
  min-width: 0 !important;
  min-height: 0 !important;
  grid-template-rows: auto minmax(0, 1fr) !important;
  align-content: stretch !important;
  gap: 10px !important;
  padding: clamp(14px, 1.65vw, 22px) !important;
  border: 1px solid rgba(148, 163, 184, 0.38) !important;
  border-radius: 18px !important;
  background: rgba(248, 250, 252, 0.86) !important;
  overflow: hidden !important;
}

.tenet-flashcard-back-panel small {
  display: block !important;
  color: #64748b !important;
  font-size: clamp(0.56rem, 0.74vw, 0.7rem) !important;
  font-weight: 930 !important;
  letter-spacing: 0.13em !important;
  text-transform: uppercase !important;
}

.tenet-flashcard-panel-text {
  display: grid !important;
  min-width: 0 !important;
  min-height: 0 !important;
  align-content: center !important;
  overflow: hidden !important;
}

.tenet-flashcard-panel-text .tenet-rich-text,
.tenet-flashcard-panel-text .tenet-rich-text p,
.tenet-flashcard-panel-text .tenet-rich-text li {
  margin: 0 !important;
  color: #0f172a !important;
  font-size: clamp(1rem, 1.32vw, 1.32rem) !important;
  font-weight: 780 !important;
  line-height: 1.22 !important;
}

.tenet-flashcard-panel-visuals {
  display: grid !important;
  width: 100% !important;
  height: 100% !important;
  min-height: 0 !important;
  place-items: center !important;
  overflow: hidden !important;
}

.tenet-flashcard-panel-visuals .tenet-flashcard-aux-block,
.tenet-flashcard-panel-visuals .tenet-block,
.tenet-flashcard-panel-visuals .tenet-visual-block {
  display: grid !important;
  width: 100% !important;
  height: 100% !important;
  min-height: 0 !important;
  place-items: center !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
}

.tenet-flashcard-panel-visuals svg,
.tenet-flashcard-aux-block svg,
.tenet-flashcard-card .tenet-visual-svg {
  width: 100% !important;
  height: 100% !important;
  min-height: 150px !important;
  max-width: 100% !important;
  max-height: 100% !important;
  overflow: visible !important;
}

.tenet-flashcard-tags {
  position: absolute !important;
  left: clamp(18px, 2.3vw, 34px) !important;
  right: auto !important;
  bottom: clamp(12px, 1.5vw, 22px) !important;
  display: flex !important;
  justify-content: flex-start !important;
  flex-wrap: nowrap !important;
  max-width: calc(100% - 68px) !important;
  gap: 6px !important;
  opacity: 0.88 !important;
  overflow: hidden !important;
}

.tenet-flashcard-tags span {
  padding: 3px 8px !important;
  border: 1px solid rgba(148, 163, 184, 0.55) !important;
  border-radius: 999px !important;
  background: rgba(255, 255, 255, 0.74) !important;
  color: #64748b !important;
  font-size: 0.62rem !important;
  font-weight: 780 !important;
  line-height: 1 !important;
  white-space: nowrap !important;
}

.tenet-flashcard-export-root .is-flashcard-export-card {
  width: 1500px !important;
  height: 900px !important;
  padding: 62px !important;
  border-radius: 42px !important;
}

.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-front-title .tenet-rich-text,
.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-front-title .tenet-rich-text p {
  font-size: 74px !important;
  line-height: 1.02 !important;
}

.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-front-context .tenet-rich-text,
.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-front-context .tenet-rich-text p {
  font-size: 31px !important;
  line-height: 1.25 !important;
}

.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-panel-text .tenet-rich-text,
.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-panel-text .tenet-rich-text p,
.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-panel-text .tenet-rich-text li {
  font-size: 35px !important;
  line-height: 1.16 !important;
}

/* A4 double-sided projection keeps the 5:3 card ratio but simplifies the face internals for print. */
.tenet-flashcard-a4-export-page .is-flashcard-a4-card {
  aspect-ratio: 5 / 3 !important;
  padding: 16px !important;
  border-radius: 14px !important;
  grid-template-rows: auto minmax(0, 1fr) !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-frame-head {
  padding-bottom: 5px !important;
  font-size: 6.5px !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-front-layout {
  padding: 4px 10px 16px !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-front-main {
  gap: 5px !important;
  transform: translateY(-5%) !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-front-title .tenet-rich-text,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-front-title .tenet-rich-text p {
  font-size: 23px !important;
  line-height: 1.04 !important;
  max-width: 17ch !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-front-context .tenet-rich-text,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-front-context .tenet-rich-text p {
  font-size: 8.8px !important;
  line-height: 1.18 !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-back-layout {
  gap: 7px !important;
  padding: 7px 0 12px !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-back-panel {
  padding: 7px !important;
  gap: 3px !important;
  border-radius: 8px !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-back-panel small {
  margin: 0 !important;
  font-size: 5.8px !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-panel-text .tenet-rich-text,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-panel-text .tenet-rich-text p,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-panel-text .tenet-rich-text li {
  font-size: 10.4px !important;
  line-height: 1.12 !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-panel-visuals svg,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-aux-block svg,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-visual-svg {
  min-height: 92px !important;
  width: 100% !important;
  height: 100% !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-tags {
  left: 14px !important;
  bottom: 7px !important;
  gap: 3px !important;
  max-width: calc(100% - 28px) !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-tags span {
  padding: 1px 5px !important;
  font-size: 4.9px !important;
}

/* Tenet flashcard final polish: summary card and back-face layout. */
.tenet-flashcard-admin-card {
  grid-template-rows: auto auto auto minmax(0, 1fr) auto !important;
}

.tenet-flashcard-admin-card .is-topics-section {
  min-height: 0 !important;
  align-content: start !important;
}

.tenet-flashcard-admin-card .is-topics-section p {
  display: block !important;
  max-height: 4.2em !important;
  overflow: hidden !important;
  line-height: 1.4 !important;
}

.tenet-flashcard-back-layout {
  align-items: stretch !important;
  gap: clamp(16px, 2vw, 26px) !important;
}

.tenet-flashcard-back-panel {
  position: relative !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  padding: clamp(8px, 1.15vw, 16px) !important;
  box-shadow: none !important;
  overflow: hidden !important;
}

.tenet-flashcard-back-panel.is-right {
  border-left: 1px solid rgba(148, 163, 184, 0.34) !important;
  padding-left: clamp(18px, 2vw, 30px) !important;
}

.tenet-flashcard-back-panel small {
  display: none !important;
}

.tenet-flashcard-panel-text {
  display: grid !important;
  align-content: center !important;
  justify-content: stretch !important;
  height: 100% !important;
  min-height: 0 !important;
  overflow: hidden !important;
}

.tenet-flashcard-panel-text .tenet-rich-text,
.tenet-flashcard-panel-text .tenet-rich-text p,
.tenet-flashcard-panel-text .tenet-rich-text li {
  margin: 0 !important;
  overflow-wrap: anywhere !important;
  word-break: normal !important;
  color: #0f172a !important;
  font-weight: 820 !important;
  letter-spacing: -0.018em !important;
}

.tenet-flashcard-back-panel.is-text-short .tenet-rich-text,
.tenet-flashcard-back-panel.is-text-short .tenet-rich-text p {
  font-size: clamp(1.34rem, 2.05vw, 2.05rem) !important;
  line-height: 1.08 !important;
}

.tenet-flashcard-back-panel.is-text-normal .tenet-rich-text,
.tenet-flashcard-back-panel.is-text-normal .tenet-rich-text p {
  font-size: clamp(1.08rem, 1.52vw, 1.56rem) !important;
  line-height: 1.14 !important;
}

.tenet-flashcard-back-panel.is-text-medium .tenet-rich-text,
.tenet-flashcard-back-panel.is-text-medium .tenet-rich-text p,
.tenet-flashcard-back-panel.is-text-medium .tenet-rich-text li {
  font-size: clamp(0.92rem, 1.22vw, 1.24rem) !important;
  line-height: 1.16 !important;
}

.tenet-flashcard-back-panel.is-text-long .tenet-rich-text,
.tenet-flashcard-back-panel.is-text-long .tenet-rich-text p,
.tenet-flashcard-back-panel.is-text-long .tenet-rich-text li {
  font-size: clamp(0.78rem, 1.02vw, 1.02rem) !important;
  line-height: 1.14 !important;
}

.tenet-flashcard-panel-visuals {
  width: 100% !important;
  height: 100% !important;
  min-height: 0 !important;
  display: grid !important;
  place-items: center !important;
  overflow: hidden !important;
}

.tenet-flashcard-panel-visuals .tenet-flashcard-aux-block,
.tenet-flashcard-panel-visuals .tenet-block,
.tenet-flashcard-panel-visuals .tenet-visual-block,
.tenet-flashcard-panel-visuals .tenet-visual-svg {
  width: 100% !important;
  height: 100% !important;
  max-height: 100% !important;
  display: grid !important;
  place-items: center !important;
}

.tenet-flashcard-panel-visuals svg,
.tenet-flashcard-card .tenet-visual-svg svg,
.tenet-flashcard-aux-block svg {
  width: 100% !important;
  height: 100% !important;
  min-height: 0 !important;
  max-height: 100% !important;
}

.tenet-flashcard-tags {
  left: clamp(20px, 2.5vw, 36px) !important;
  bottom: clamp(10px, 1.4vw, 18px) !important;
  justify-content: flex-start !important;
  max-width: 58% !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-back-panel {
  border: 0 !important;
  background: transparent !important;
  padding: 5px !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-back-panel.is-right {
  border-left: 1px solid rgba(148, 163, 184, 0.3) !important;
  padding-left: 9px !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-panel-text .tenet-rich-text,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-panel-text .tenet-rich-text p,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-panel-text .tenet-rich-text li {
  font-size: 10.1px !important;
  line-height: 1.1 !important;
  font-weight: 790 !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-back-panel.is-text-short .tenet-rich-text,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-back-panel.is-text-short .tenet-rich-text p {
  font-size: 14.2px !important;
  line-height: 1.06 !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-back-panel.is-text-medium .tenet-rich-text,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-back-panel.is-text-medium .tenet-rich-text p {
  font-size: 9.4px !important;
  line-height: 1.08 !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-back-panel.is-text-long .tenet-rich-text,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-back-panel.is-text-long .tenet-rich-text p,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-back-panel.is-text-long .tenet-rich-text li {
  font-size: 8.3px !important;
  line-height: 1.06 !important;
}

.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-back-panel.is-text-short .tenet-rich-text,
.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-back-panel.is-text-short .tenet-rich-text p {
  font-size: 48px !important;
}

.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-back-panel.is-text-normal .tenet-rich-text,
.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-back-panel.is-text-normal .tenet-rich-text p {
  font-size: 38px !important;
}

.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-back-panel.is-text-medium .tenet-rich-text,
.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-back-panel.is-text-medium .tenet-rich-text p,
.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-back-panel.is-text-medium .tenet-rich-text li {
  font-size: 31px !important;
}

.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-back-panel.is-text-long .tenet-rich-text,
.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-back-panel.is-text-long .tenet-rich-text p,
.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-back-panel.is-text-long .tenet-rich-text li {
  font-size: 26px !important;
}

/* Keep topic chips visible and bottom-left even on A4 exports. */
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-tags {
  display: flex !important;
  left: 14px !important;
  right: auto !important;
  bottom: 6px !important;
  max-width: calc(100% - 28px) !important;
  justify-content: flex-start !important;
  gap: 3px !important;
  opacity: 0.82 !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-tags span {
  padding: 1px 4px !important;
  font-size: 4.6px !important;
  line-height: 1 !important;
}

/* Visual-card sizing: a visual in the right panel owns the whole right half. */
.tenet-flashcard-back-panel.has-visual {
  grid-template-rows: minmax(0, 1fr) !important;
  align-content: stretch !important;
  padding: clamp(4px, 0.7vw, 10px) !important;
}

.tenet-flashcard-back-panel.has-visual .tenet-flashcard-panel-visuals,
.tenet-flashcard-back-panel.has-visual .tenet-flashcard-panel-visuals > *,
.tenet-flashcard-back-panel.has-visual .tenet-flashcard-panel-visuals .tenet-visual-block,
.tenet-flashcard-back-panel.has-visual .tenet-flashcard-panel-visuals .tenet-visual-svg,
.tenet-flashcard-back-panel.has-visual .tenet-flashcard-panel-visuals svg {
  width: 100% !important;
  height: 100% !important;
  min-height: 100% !important;
  max-height: none !important;
}

.tenet-flashcard-back-panel.has-visual .tenet-flashcard-panel-visuals .tenet-visual-svg,
.tenet-flashcard-back-panel.has-visual .tenet-flashcard-panel-visuals svg {
  transform: scale(1.08) !important;
  transform-origin: center center !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-back-panel.has-visual {
  padding: 2px !important;
}

.tenet-flashcard-back-layout:has(.is-right.has-visual) {
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr) !important;
}

.tenet-flashcard-back-panel.is-right.has-visual {
  padding-left: clamp(14px, 1.4vw, 22px) !important;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  padding-right: 0 !important;
}

.tenet-flashcard-back-panel.has-visual .tenet-flashcard-panel-visuals .tenet-visual-svg,
.tenet-flashcard-back-panel.has-visual .tenet-flashcard-panel-visuals svg {
  transform: scale(1.2) !important;
}

/* Final anti-crop text scaling for back panels. */
.tenet-flashcard-back-panel.is-text-normal .tenet-rich-text,
.tenet-flashcard-back-panel.is-text-normal .tenet-rich-text p,
.tenet-flashcard-back-panel.is-text-normal .tenet-rich-text li {
  font-size: clamp(0.94rem, 1.22vw, 1.2rem) !important;
  line-height: 1.12 !important;
}

.tenet-flashcard-back-panel.is-text-medium .tenet-rich-text,
.tenet-flashcard-back-panel.is-text-medium .tenet-rich-text p,
.tenet-flashcard-back-panel.is-text-medium .tenet-rich-text li {
  font-size: clamp(0.78rem, 1.02vw, 1rem) !important;
  line-height: 1.1 !important;
}

.tenet-flashcard-back-panel.is-text-long .tenet-rich-text,
.tenet-flashcard-back-panel.is-text-long .tenet-rich-text p,
.tenet-flashcard-back-panel.is-text-long .tenet-rich-text li {
  font-size: clamp(0.68rem, 0.88vw, 0.88rem) !important;
  line-height: 1.08 !important;
}

.tenet-flashcard-back-panel.is-text-medium .tenet-flashcard-panel-text,
.tenet-flashcard-back-panel.is-text-long .tenet-flashcard-panel-text {
  align-content: center !important;
}

.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-back-panel.is-text-medium .tenet-rich-text,
.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-back-panel.is-text-medium .tenet-rich-text p,
.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-back-panel.is-text-medium .tenet-rich-text li {
  font-size: 27px !important;
}

.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-back-panel.is-text-long .tenet-rich-text,
.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-back-panel.is-text-long .tenet-rich-text p,
.tenet-flashcard-export-root .is-flashcard-export-card .tenet-flashcard-back-panel.is-text-long .tenet-rich-text li {
  font-size: 23px !important;
}

/* Final flashcard code/visual polish: code is code, visuals own the right side. */
.tenet-flashcard-back-panel.has-code {
  align-content: stretch !important;
  justify-content: stretch !important;
}

.tenet-flashcard-code-panel {
  width: 100%;
  height: auto;
  max-height: 100%;
  margin: 0;
  padding: clamp(10px, 1.1vw, 18px);
  border: 1px solid rgba(148, 163, 184, 0.48);
  border-radius: 12px;
  background: rgba(248, 250, 252, 0.9);
  color: #111827;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: clamp(0.82rem, 1.05vw, 1.08rem);
  line-height: 1.22;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  overflow: hidden;
  display: grid;
  align-content: center;
}

.tenet-flashcard-code-panel code {
  font: inherit;
  white-space: pre-wrap;
}

.tenet-flashcard-back-layout:has(.is-right.has-code) {
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr) !important;
}

.tenet-flashcard-back-panel.is-right.has-code {
  padding-left: clamp(14px, 1.4vw, 22px) !important;
}

.tenet-flashcard-back-panel.is-right.has-visual {
  overflow: visible !important;
}

.tenet-flashcard-back-panel.has-visual small,
.tenet-flashcard-back-panel.has-code small {
  opacity: 0.68;
}

.tenet-flashcard-panel-visuals .tenet-visual-svg text,
.tenet-flashcard-aux-block .tenet-visual-svg text {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-code-panel {
  padding: 7px !important;
  border-radius: 7px !important;
  font-size: 7.6px !important;
  line-height: 1.18 !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-back-panel.has-code small,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-back-panel.has-visual small {
  font-size: 4.7px !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-panel-visuals,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-panel-visuals > *,
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-panel-visuals svg {
  width: 100% !important;
  height: 100% !important;
  min-height: 100% !important;
}

.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-back-layout:has(.is-right.has-code),
.tenet-flashcard-a4-export-page .is-flashcard-a4-card .tenet-flashcard-back-layout:has(.is-right.has-visual) {
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr) !important;
}


/* Generator-first release: course buttons are visible but not yet active. */
.gcse-course-card.is-course-coming-soon {
  opacity: 0.56;
  filter: grayscale(0.22);
  background: rgba(248, 250, 252, 0.68);
  cursor: pointer;
}
.gcse-course-card.is-course-coming-soon:hover {
  opacity: 0.78;
  filter: grayscale(0.08);
  border-color: rgba(100, 116, 139, 0.55);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.055);
  transform: none;
}
.gcse-course-card.is-course-coming-soon .gcse-course-copy small::before {
  content: "Locked preview · ";
  color: var(--quiet);
}