/* ========================================
   Philippine Bar Reviewer — Revamped UI
   Dark Editorial / Law-Firm Aesthetic
   ======================================== */

/* ---------- CSS Variables ---------- */
:root {
  --bg: #0A0E17;
  --surface: #101721;
  --surface-light: #141c28;
  --accent: #D4A853;
  --accent-light: #E8C97A;
  --accent-dim: rgba(212, 168, 83, 0.08);
  --text: #F1EDE4;
  --text-muted: #8B95A8;
  --text-dim: #5A6477;
  --border: rgba(255, 255, 255, 0.08);
  --success: #34D399;
  --danger: #F87171;
  --info: #60A5FA;
  --card-bg: rgba(255, 255, 255, 0.02);

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 100px;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

[hidden] {
  display: none !important;
}

body {
  background: linear-gradient(180deg, #0A0E17 0%, #0B111B 100%);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-light);
}

img {
  max-width: 100%;
  display: block;
}

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  outline: none;
  transition: all 0.25s ease;
}

textarea,
input {
  font-family: var(--font-body);
  outline: none;
}

::selection {
  background: rgba(212, 168, 83, 0.3);
  color: var(--text);
}

[x-cloak] {
  display: none !important;
}

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--text-dim);
  border-radius: 3px;
}

/* ---------- Animations ---------- */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideRight {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.anim-fade-up {
  animation: fadeUp 0.6s ease both;
}

.anim-fade-up-1 { animation-delay: 0.1s; }
.anim-fade-up-2 { animation-delay: 0.2s; }
.anim-fade-up-3 { animation-delay: 0.3s; }
.anim-fade-up-4 { animation-delay: 0.4s; }
.anim-fade-up-5 { animation-delay: 0.5s; }

.anim-fade-in {
  animation: fadeIn 0.5s ease both;
}

.anim-scale-in {
  animation: scaleIn 0.5s ease both;
}

/* ---------- Layout ---------- */
.container {
  max-width: 1480px;
  margin: 0 auto;
  padding: 0 24px;
}

.container--narrow {
  max-width: 1160px;
}

.page-main {
  padding-top: 24px;
  padding-bottom: 40px;
}

.page-main > .container {
  width: 100%;
  max-width: none;
  margin: 0;
  padding-left: 0;
  padding-right: 0;
}

.page-main > .container.container--narrow {
  max-width: 1160px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Navbar ---------- */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 64px;
  background: rgba(10, 14, 23, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.navbar__logo {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--bg);
}

.navbar__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--text);
  letter-spacing: -0.02em;
}

.navbar__title span {
  color: var(--accent);
}

.navbar__links {
  display: flex;
  gap: 10px;
  list-style: none;
  align-items: center;
}

.navbar__links li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.navbar__links li + li::before {
  content: '|';
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1;
}

.navbar__link {
  padding: 6px 0 8px;
  border-bottom: 2px solid transparent;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s;
}

.navbar__link:hover {
  color: var(--text);
}

.navbar__link--active {
  color: var(--accent);
  border-color: var(--accent);
}

.navbar__link--secondary {
  color: var(--text-dim);
}

.navbar__link--secondary:hover {
  color: var(--text-muted);
}

.navbar__link--secondary.navbar__link--active {
  color: var(--accent);
}

.navbar__avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  color: var(--bg);
}

.navbar__user {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: flex-end;
}

.navbar__plan-status {
  padding: 0;
  border: 0;
  background: transparent;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
}

.navbar__plan-status--premium {
  color: var(--accent);
}

.navbar__plan-status--free {
  color: var(--success);
}

.navbar__plan-status:hover,
.navbar__plan-status:focus-visible {
  opacity: 0.82;
}

.navbar__avatar-btn {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
}

.navbar__avatar-btn:hover .navbar__avatar,
.navbar__avatar-btn:focus-visible .navbar__avatar {
  box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.2);
}

.navbar__menu {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 1;
  min-width: 240px;
  padding: 44px 8px 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(16, 23, 33, 0.98);
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
  display: grid;
  gap: 6px;
  overflow: hidden;
}

.navbar__menu-header {
  padding: 0 6px 10px;
  border-bottom: 1px solid rgba(212, 168, 83, 0.1);
  margin-bottom: 4px;
}

.navbar__menu-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.navbar__menu-email {
  margin-top: 2px;
  font-size: 12px;
  color: var(--text-dim);
}

.navbar__menu-link {
  display: block;
  width: 100%;
  padding: 9px 10px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  text-align: left;
}

.navbar__menu-link:hover {
  border-color: rgba(212, 168, 83, 0.2);
  background: rgba(212, 168, 83, 0.08);
  color: var(--text);
}

.navbar__menu-link--danger:hover {
  border-color: rgba(248, 113, 113, 0.2);
  background: rgba(248, 113, 113, 0.08);
  color: var(--danger);
}

.navbar__menu-form {
  margin: 0;
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.navbar__login-btn {
  padding: 8px 14px;
  border-radius: var(--radius-md);
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
}

.navbar__login-btn:hover {
  border-color: rgba(212, 168, 83, 0.28);
  color: var(--text);
}

/* ---------- Global Loader ---------- */
.app-loader {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.app-loader[hidden] {
  display: none;
}

.app-loader__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 14, 23, 0.18);
  backdrop-filter: blur(2px);
}

.app-loader__panel {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 180px;
  padding: 10px 14px;
  border: 1px solid rgba(212, 168, 83, 0.2);
  border-radius: 10px;
  background: rgba(16, 23, 33, 0.94);
  color: var(--text);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.2);
}

.app-loader__spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(212, 168, 83, 0.22);
  border-top-color: var(--accent);
  border-radius: 999px;
  animation: appLoaderSpin 0.8s linear infinite;
}

.app-loader__label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}

body.is-loading {
  cursor: progress;
}

body.is-loading a,
body.is-loading button,
body.is-loading input[type='submit'] {
  cursor: progress;
}

@keyframes appLoaderSpin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* ---------- Badge ---------- */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge--accent {
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(212, 168, 83, 0.25);
}

.badge--success {
  color: var(--success);
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.2);
}

.badge--danger {
  color: var(--danger);
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.2);
}

.badge--info {
  color: var(--info);
  background: rgba(96, 165, 250, 0.1);
  border: 1px solid rgba(96, 165, 250, 0.2);
}

.badge--muted {
  color: var(--text-muted);
  background: rgba(139, 149, 168, 0.1);
  border: 1px solid rgba(139, 149, 168, 0.15);
}

/* ---------- Card ---------- */
.card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 20px;
  backdrop-filter: blur(6px);
  transition: border-color 0.2s;
}

.card:hover {
  border-color: rgba(212, 168, 83, 0.25);
}

.card--clickable {
  cursor: pointer;
}

.card--clickable:hover {
  transform: none;
}

.card--no-pad {
  padding: 0;
  overflow: hidden;
}

.card--glow-danger {
  background: linear-gradient(180deg, rgba(248, 113, 113, 0.08), var(--card-bg));
}

.card--glow-info {
  background: linear-gradient(135deg, rgba(96, 165, 250, 0.06), var(--card-bg));
  border-color: rgba(96, 165, 250, 0.15);
}

.card--glow-accent {
  background: linear-gradient(135deg, rgba(212, 168, 83, 0.06), rgba(212, 168, 83, 0.02));
  border-color: rgba(212, 168, 83, 0.2);
}

.card--bare {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.btn--primary {
  background: var(--accent);
  color: var(--bg);
  box-shadow: none;
}

.btn--primary:hover {
  background: var(--accent-light);
  color: var(--bg);
}

.btn--danger {
  background: var(--danger);
  color: var(--bg);
  box-shadow: none;
}

.btn--danger:hover {
  background: #b91c1c;
  color: var(--bg);
}

.btn--outline {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.btn--outline:hover {
  border-color: var(--text-dim);
  color: var(--text);
}

.btn[disabled],
.btn--disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

.btn[disabled]:hover,
.btn--disabled:hover {
  transform: none;
  border-color: var(--border);
  color: var(--text-muted);
}

.btn--lg {
  padding: 11px 18px;
  font-size: 13px;
}

.btn--block {
  width: 100%;
}

.btn--color {
  border: 1px solid;
}

.btn--sm {
  padding: 7px 12px;
  font-size: 12px;
}

.codal-card__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.codal-card__source {
  margin-top: auto;
  font-size: 12px;
  color: var(--text-muted);
}

.codal-kb {
  display: grid;
  grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.codal-kb__sidebar {
  position: sticky;
  top: 92px;
  max-height: calc(100vh - 116px);
  overflow: auto;
}

.codal-kb__switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.codal-kb__law-chip {
  display: block;
  padding: 4px 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
}

.codal-kb__law-chip:hover,
.codal-kb__law-chip--active {
  border-color: transparent;
  background: transparent;
  color: var(--accent-light);
}

.codal-kb__tree {
  margin-top: 22px;
  display: grid;
  gap: 8px;
}

.codal-tree__branch {
  position: relative;
  display: grid;
  gap: 2px;
  padding-left: 14px;
}

.codal-tree__branch::before {
  content: '';
  position: absolute;
  top: 8px;
  bottom: 0;
  left: 5px;
  width: 1px;
  background: rgba(212, 168, 83, 0.12);
}

.codal-tree__row {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
}

.codal-tree__toggle {
  width: 14px;
  height: 18px;
  border-radius: 0;
  background: transparent;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.codal-tree__toggle:hover {
  background: transparent;
  color: var(--text);
}

.codal-tree__toggle--spacer {
  background: transparent;
  border: 1px solid transparent;
}

.codal-tree__toggle-icon {
  font-size: 18px;
  line-height: 1;
  transform: rotate(0deg);
  transition: transform 0.2s ease;
}

.codal-tree__branch.is-open > .codal-tree__row .codal-tree__toggle-icon {
  transform: rotate(90deg);
}

.codal-tree__children {
  display: none;
  gap: 2px;
  padding-bottom: 2px;
}

.codal-tree__branch.is-open > .codal-tree__children {
  display: grid;
}

.codal-tree__link {
  display: block;
  padding: 4px 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--text-muted);
}

.codal-tree__link:hover,
.codal-tree__link--active {
  border-color: transparent;
  background: transparent;
  color: var(--text);
}

.codal-tree__label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.45;
}

.codal-tree__summary-text {
  display: none;
  margin-top: 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-dim);
}

.codal-kb__content {
  min-width: 0;
}

.codal-kb__hero-card,
.codal-kb__meta-card {
  background: rgba(26, 34, 52, 0.76);
}

.codal-kb__hero-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
}

.codal-kb__meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.codal-kb__breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.codal-kb__breadcrumb-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(212, 168, 83, 0.14);
  color: var(--text-muted);
  font-size: 13px;
}

.codal-kb__breadcrumb-chip--link:hover {
  border-color: rgba(212, 168, 83, 0.28);
  color: var(--text);
}

.codal-kb__breadcrumb-separator {
  display: inline-flex;
  align-items: center;
  color: var(--text-dim);
}

.codal-kb__body {
  margin-top: 16px;
  color: var(--text-muted);
  line-height: 1.9;
}

.codal-docs {
  display: grid;
  gap: 20px;
}

.codal-docs__topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.codal-docs__title {
  margin-top: 12px;
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.1;
}

.codal-docs__catalog-intro {
  margin-top: 10px;
  max-width: 760px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.65;
}

.codal-docs__catalog-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.codal-docs__tabs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.codal-docs__tab {
  padding: 10px 2px 12px;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 600;
}

.codal-docs__tab:hover,
.codal-docs__tab--active {
  border-color: var(--accent);
  color: var(--text);
}

.codal-docs__shell {
  display: grid;
  grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
  gap: 0;
  border: 0;
  border-radius: 0;
  overflow: visible;
  background: transparent;
}

.codal-docs--loading {
  opacity: 0.7;
  pointer-events: none;
  transition: opacity 160ms ease;
}

.codal-docs__sidebar {
  position: sticky;
  top: 84px;
  align-self: start;
  min-width: 0;
  border-right: 1px solid var(--border);
  background: transparent;
}

.codal-docs__sidebar-card {
  height: 100%;
  padding: 0 20px 0 0;
  display: grid;
  grid-template-rows: auto auto auto minmax(0, 1fr);
  gap: 12px;
}

.codal-docs__search {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
}

.codal-docs__search-icon {
  color: var(--text-dim);
  font-size: 16px;
}

.codal-docs__search-input {
  height: 38px;
  border: 0;
  background: transparent;
  color: var(--text);
}

.codal-docs__search-input::placeholder {
  color: var(--text-dim);
}

.codal-docs__search-empty {
  font-size: 12px;
  color: var(--text-dim);
}

.codal-docs__search-hidden {
  display: none !important;
}

.u-visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.codal-docs__sidebar-copy {
  display: grid;
  gap: 4px;
}

.codal-docs__sidebar-label {
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.codal-docs__law-list {
  display: grid;
  gap: 2px;
}

.codal-docs__tree {
  overflow: auto;
  padding-right: 8px;
  display: grid;
  gap: 2px;
}

.codal-docs__content {
  min-width: 0;
  padding: 4px 0 16px 28px;
  background: transparent;
}

.codal-docs__content--catalog {
  padding-top: 0;
}

.codal-docs__tree-nav {
  display: grid;
  gap: 10px;
  max-height: calc(100vh - 180px);
  overflow: auto;
  padding-right: 8px;
  overscroll-behavior: contain;
}

.codal-docs__tree-group {
  display: grid;
  gap: 6px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.codal-docs__tree-group[data-expanded='false'] > .codal-docs__tree-children {
  display: none;
}

.codal-docs__tree-group--active .codal-docs__tree-parent {
  color: var(--accent-light);
}

.codal-docs__tree-group:first-child {
  padding-top: 2px;
}

.codal-docs__tree-parent {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  min-height: 28px;
  padding: 4px 0;
  color: var(--text);
}

.codal-docs__tree-group-row {
  align-items: center;
}

.codal-docs__tree-parent:hover {
  color: var(--accent-light);
}

.codal-docs__tree-parent-icon {
  font-size: 14px;
  line-height: 1.45;
}

.codal-docs__tree-parent-title {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.45;
}

.codal-docs__tree-children {
  display: grid;
  gap: 4px;
  margin-left: 28px;
}

.codal-docs__tree-item {
  display: grid;
  gap: 6px;
}

.codal-docs__tree-item-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px;
  align-items: start;
}

.codal-docs__tree-child {
  display: block;
  min-height: 28px;
  padding: 4px 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.45;
}

.codal-docs__tree-child:hover {
  color: var(--text);
}

.codal-docs__tree-child--active {
  color: var(--accent-light);
}

.codal-docs__tree-toggle {
  width: 28px;
  min-width: 28px;
  height: 28px;
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.codal-docs__tree-toggle:hover {
  color: var(--text);
}

.codal-docs__tree-toggle-icon {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  transition: none;
}

.codal-docs__tree-toggle--expanded .codal-docs__tree-toggle-icon {
  transform: none;
}

.codal-docs__tree-item--branch[data-expanded='false'] .codal-docs__tree-toggle-icon {
  transform: none;
}

.codal-docs__tree-item--branch[data-expanded='false'] > .codal-docs__outline {
  display: none;
}

.codal-docs__outline {
  display: grid;
  gap: 4px;
  margin-left: 12px;
  padding-left: 10px;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.codal-docs__outline-node {
  display: grid;
  gap: 4px;
}

.codal-docs__outline-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px;
  align-items: start;
}

.codal-docs__outline-children {
  display: grid;
  gap: 4px;
  margin-left: 12px;
  padding-left: 10px;
  border-left: 1px solid rgba(255, 255, 255, 0.05);
}

.codal-docs__outline-toggle,
.codal-docs__outline-toggle-spacer {
  width: 28px;
  min-width: 28px;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.codal-docs__outline-toggle {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--text-dim);
  font-size: 10px;
  line-height: 1;
  cursor: pointer;
}

.codal-docs__outline-toggle:hover {
  color: var(--text);
}

.codal-docs__outline-toggle-icon {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  transition: none;
}

.codal-docs__outline-toggle--expanded .codal-docs__outline-toggle-icon {
  transform: none;
}

.codal-docs__outline-node[data-expanded='false'] > .codal-docs__outline-row .codal-docs__outline-toggle-icon {
  transform: none;
}

.codal-docs__outline-node[data-expanded='false'] > .codal-docs__outline-children {
  display: none;
}

.codal-docs__outline-link {
  display: block;
  min-height: 28px;
  padding: 4px 0;
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.45;
}

.codal-docs__outline-link:hover {
  color: var(--text);
}

.codal-docs__outline-link--active {
  color: var(--accent-light);
}

.codal-docs__outline-link--trail {
  color: var(--text-muted);
}

.codal-docs__outline-node--section > .codal-docs__outline-link {
  font-size: 11px;
}

.codal-docs__outline-node--section > .codal-docs__outline-row .codal-docs__outline-link {
  font-size: 11px;
}

.codal-catalog {
  display: grid;
}

.codal-catalog__section {
  padding: 18px 0 22px;
  border-bottom: 1px solid var(--border);
  scroll-margin-top: 84px;
}

.codal-catalog__section:first-child {
  padding-top: 0;
}

.codal-catalog__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
}

.codal-catalog__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 28px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--text);
}

.codal-catalog__icon {
  font-size: 22px;
  line-height: 1;
}

.codal-catalog__count {
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.codal-catalog__summary {
  margin-bottom: 12px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.65;
}

.codal-catalog__list {
  list-style: none;
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.codal-catalog__item {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  scroll-margin-top: 84px;
}

.codal-catalog__bullet {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.4;
}

.codal-catalog__item-title {
  display: block;
  font-size: 17px;
  color: var(--text);
  line-height: 1.45;
}

.codal-catalog__item-link {
  color: var(--text);
}

.codal-catalog__item-link:hover {
  color: var(--accent-light);
}

.codal-catalog__item-note {
  display: block;
  margin-top: 2px;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.5;
}

.codal-reader {
  display: grid;
  gap: 18px;
}

.codal-reader__header {
  display: grid;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.codal-reader__title {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--text);
}

.codal-reader__content {
  color: var(--text-muted);
}

.codal-reader__content [id] {
  scroll-margin-top: 92px;
}

.codal-reader__content a {
  color: var(--accent-light);
}

.codal-reader__content h2,
.codal-reader__content h3 {
  margin-top: 28px;
  margin-bottom: 10px;
  color: var(--text);
  font-size: 24px;
  line-height: 1.25;
}

.codal-reader__content p {
  margin-bottom: 10px;
  line-height: 1.7;
}

.codal-reader__content br + br {
  display: block;
  content: '';
  margin-top: 8px;
}

.codal-source-center {
  text-align: center;
  color: var(--text);
  font-weight: 600;
}

.codal-source-heading {
  color: var(--text);
}

.codal-source-paragraph {
  color: var(--text-muted);
}

.codal-source-indent {
  margin-left: 18px;
  display: grid;
  gap: 8px;
}

.codal-source-lead {
  color: var(--text-muted);
  font-size: 14px;
}

.codal-source-list {
  margin-left: 18px;
  display: grid;
  gap: 8px;
}

.codal-reader__content ol,
.codal-reader__content ul {
  margin: 0 0 12px 20px;
  display: grid;
  gap: 8px;
}

.codal-reader__content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

.codal-reader__content td,
.codal-reader__content th {
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 10px;
  vertical-align: top;
}

.codal-docs__breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  color: var(--text-dim);
  font-size: 13px;
}

.codal-docs__breadcrumb-link {
  color: var(--text-muted);
}

.codal-docs__breadcrumb-link:hover {
  color: var(--text);
}

.codal-docs__breadcrumb-separator {
  color: var(--text-dim);
}

.codal-docs__article {
  margin-top: 18px;
  display: grid;
  gap: 28px;
}

.codal-docs__article-title {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 600;
  line-height: 1.05;
  color: var(--text);
}

.codal-docs__article-lead {
  max-width: 860px;
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1.7;
}

.codal-docs__section {
  display: grid;
  gap: 14px;
}

.codal-docs__section h3 {
  font-size: 20px;
  color: var(--text);
}

.codal-docs__section p,
.codal-docs__section li {
  color: var(--text-muted);
  line-height: 1.8;
}

.codal-docs__meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 8px;
}

.codal-docs__meta-panel {
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  display: grid;
  gap: 8px;
}

.codal-docs__body {
  padding: 18px 20px;
  border: 1px solid rgba(212, 168, 83, 0.14);
  border-radius: 16px;
  background: rgba(212, 168, 83, 0.05);
  color: var(--text-muted);
  line-height: 1.9;
}

/* ---------- Section Headers ---------- */
.section-header {
  margin-bottom: 28px;
}

.section-header__badge {
  margin-bottom: 16px;
}

.section-header__title {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.section-header__desc {
  font-size: 15px;
  color: var(--text-muted);
  margin-top: 10px;
  line-height: 1.65;
  max-width: 780px;
}

/* ---------- Icon Box ---------- */
.icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.icon-box--sm {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  font-size: 14px;
}

.icon-box--md {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  font-size: 20px;
}

.icon-box--accent {
  background: var(--accent-dim);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 48px 0 32px;
  overflow: hidden;
  text-align: left;
}

.hero__glow {
  display: none;
}

.hero__orb {
  display: none;
}

.hero__title {
  font-family: var(--font-display);
  font-size: 50px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.1;
  margin-top: 18px;
  max-width: 820px;
  margin-left: 0;
  margin-right: 0;
  letter-spacing: -0.03em;
}

.hero__title .gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__desc {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 760px;
  margin: 16px 0 0;
}

.hero__actions {
  display: flex;
  gap: 12px;
  justify-content: flex-start;
  margin-top: 26px;
}

/* ---------- Grid Layouts ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

/* ---------- Stats Bar ---------- */
.stats-bar {
  padding: 24px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-bar__inner {
  display: flex;
  justify-content: flex-start;
  gap: 56px;
  max-width: none;
  margin: 0;
}

.stat {
  text-align: center;
}

.stat__value {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat__label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.home-highlights {
  padding: 0 0 32px;
}

.home-highlights__grid {
  align-items: stretch;
}

.hero--home {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 28px;
  align-items: start;
  padding: 20px 0 24px;
}

.hero--home .hero__content {
  min-width: 0;
}

.home-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.home-hero__meta-item {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.02);
}

.home-preview {
  display: grid;
  gap: 14px;
  padding: 18px 20px;
  border-top: 1px solid rgba(212, 168, 83, 0.24);
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(212, 168, 83, 0.05), transparent 42%),
    rgba(255, 255, 255, 0.015);
}

.home-preview__head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.home-preview__title {
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 600;
  line-height: 1.05;
}

.home-preview__link {
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.home-preview__stack {
  display: grid;
  gap: 0;
}

.home-preview__item {
  display: block;
  padding: 14px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.home-preview__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.home-preview__label {
  color: var(--text-dim);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.home-preview__item-title {
  margin-top: 6px;
  color: var(--text);
  font-size: 18px;
  font-weight: 600;
}

.home-preview__copy {
  margin-top: 6px;
  color: var(--text-muted);
  line-height: 1.65;
}

.home-preview__footer {
  display: grid;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.home-preview__footer-label {
  color: var(--text-dim);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.home-preview__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.home-preview__chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  font-size: 12px;
}

.home-metrics {
  padding: 18px 0 28px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.home-metrics__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.home-metrics__item {
  display: grid;
  gap: 6px;
}

.home-metrics__value {
  color: var(--text);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.1;
}

.home-metrics__label {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.home-dashboard,
.home-stream {
  padding-top: 24px;
}

.home-dashboard__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.home-stream__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.home-panel {
  display: grid;
  gap: 14px;
  min-width: 0;
  padding: 18px 0 0;
  border-top: 1px solid rgba(212, 168, 83, 0.16);
}

.home-panel__head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: baseline;
}

.home-panel__kicker {
  color: var(--text-dim);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.home-panel__lead {
  color: var(--text);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.35;
}

.home-panel__link {
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
}

.home-panel__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-dim);
  font-size: 12px;
}

.home-action-list,
.home-focus-list,
.home-history,
.home-plan-points {
  display: grid;
  gap: 0;
}

.home-action-list__item,
.home-focus-list__item,
.home-history__item {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.home-action-list__item:first-child,
.home-focus-list__item:first-child,
.home-history__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.home-action-list__label,
.home-focus-list__title,
.home-history__title {
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.45;
}

.home-action-list__meta,
.home-focus-list__meta,
.home-history__meta {
  color: var(--text-muted);
  line-height: 1.6;
}

.home-history__item {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
}

.home-history__score {
  color: var(--accent-light);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.home-usage {
  display: grid;
  gap: 14px;
}

.home-usage__row {
  display: grid;
  gap: 8px;
}

.home-usage__label-wrap {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}

.home-usage__label {
  color: var(--text);
  font-weight: 600;
}

.home-usage__summary,
.home-usage__value {
  color: var(--text-muted);
  font-size: 12px;
}

.home-usage__bar {
  position: relative;
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
}

.home-usage__bar span {
  position: absolute;
  inset: 0 auto 0 0;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(212, 168, 83, 0.42), rgba(212, 168, 83, 0.88));
}

.home-plan-points__item {
  padding: 12px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  line-height: 1.65;
}

.home-plan-points__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.home-plan-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Feature Card ---------- */
.feature-card__icon {
  margin-bottom: 20px;
}

.feature-card__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.feature-card__desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

/* ---------- Subject Card ---------- */
.subject-card {
  position: relative;
  overflow: hidden;
}

.subject-card__glow {
  position: absolute;
  top: -30px;
  right: -30px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  filter: blur(20px);
  pointer-events: none;
}

.subject-card__header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.subject-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.subject-card__name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
}

.subject-card__count {
  font-size: 12px;
  color: var(--text-dim);
}

.subject-card__btn {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
}

/* ---------- Info Banner ---------- */
.info-banner {
  display: flex;
  align-items: center;
  gap: 16px;
}

.info-banner__text {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 32px;
}

.breadcrumb--scroll {
  flex-wrap: nowrap;
  overflow-x: auto;
  padding-bottom: 4px;
}

.breadcrumb__item {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
  white-space: nowrap;
}

.breadcrumb__item:hover {
  color: var(--text-muted);
}

.breadcrumb__item--active {
  color: var(--accent);
}

.breadcrumb__sep {
  color: var(--text-dim);
}

/* ---------- Question Display ---------- */
.question-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}

.question-header--wrap {
  gap: 12px;
  flex-wrap: wrap;
}

.question-meta {
  font-size: 12px;
  color: var(--text-dim);
}

.question-topic {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.question-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.question-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 20px;
}

.question-body {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 24px;
}

.flashcard-panel {
  padding: 16px 0 18px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.flashcard-panel .question-header {
  margin-bottom: 14px;
}

.flashcard-panel .card-section-title,
.flashcard-panel .editor__title,
.flashcard-panel .question-title {
  margin-bottom: 10px;
}

.flashcard-panel .question-body,
.flashcard-panel .feedback-text {
  margin-bottom: 0;
}

.flashcard-panel .answer-display {
  padding: 0;
  border: 0;
  background: transparent;
}

.mcq-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
  align-items: stretch;
}

.mcq-option {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
  text-align: left;
  width: 100%;
}

.mcq-option input {
  margin-top: 4px;
}

.mcq-option span {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  text-align: left;
  flex: 1;
  white-space: normal;
}

.mcq-option:hover {
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.04);
}

.flashcards-view .section-header__desc {
  margin-top: 10px;
}

.flashcards-view__section-label,
.flashcards-view .question-title,
.flashcards-view .editor__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-light);
  line-height: 1.3;
}

.flashcards-view__topic-label {
  margin-bottom: 8px;
}

.flashcards-view .breadcrumb {
  margin-bottom: 16px;
}

.flashcards-view .flashcard-panel {
  padding-top: 14px;
  padding-bottom: 14px;
}

.flashcards-view .flashcard-panel--question {
  padding-top: 0;
  border-top: 0;
  border-bottom: 0;
}

.flashcards-view .question-header {
  margin-bottom: 16px;
}

.flashcards-view .question-subtitle--meta {
  font-size: 11px;
  color: rgba(148, 163, 184, 0.72);
  letter-spacing: 0.03em;
}

.flashcards-view .question-title {
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.flashcards-view .question-body {
  margin-bottom: 0;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.75;
  color: rgba(248, 245, 236, 0.94);
}

.flashcards-view .flashcard-filter {
  display: inline-flex;
  gap: 10px;
  width: auto;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: nowrap;
}

.flashcards-view .flashcard-filter__label {
  margin-right: 2px;
}

.flashcards-view .filter-option--pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.flashcards-view .filter-option--pill input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.flashcards-view .filter-option--pill span {
  font-size: 13px;
  font-weight: 500;
}

.flashcards-view .filter-option--pill:hover {
  border-color: rgba(212, 168, 83, 0.24);
  background: rgba(212, 168, 83, 0.06);
  color: var(--text);
}

.flashcards-view .filter-option--pill:has(input:checked) {
  border-color: rgba(212, 168, 83, 0.34);
  background: rgba(212, 168, 83, 0.12);
  color: var(--accent-light);
  box-shadow: inset 0 0 0 1px rgba(212, 168, 83, 0.12);
}

.flashcards-view .filter-option--pill:has(input:focus-visible) {
  outline: 2px solid rgba(212, 168, 83, 0.3);
  outline-offset: 2px;
}

.flashcards-view__filter-row {
  display: flex;
  justify-content: flex-end;
}

.flashcards-view .mcq-options {
  gap: 10px;
  margin-top: 6px;
  margin-left: 0;
  padding-left: 100px;
}

.flashcards-view .mcq-option {
  padding: 14px 16px;
  border-color: rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.015);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.flashcards-view .mcq-option input {
  width: 16px;
  height: 16px;
  margin-top: 3px;
  accent-color: var(--accent);
}

.flashcards-view .mcq-option span {
  color: rgba(226, 232, 240, 0.64);
  line-height: 1.7;
}

.flashcards-view .mcq-option:hover {
  border-color: rgba(212, 168, 83, 0.22);
  background: rgba(212, 168, 83, 0.05);
}

.flashcards-view .mcq-option:has(input:checked) {
  border-color: rgba(212, 168, 83, 0.36);
  background: rgba(212, 168, 83, 0.1);
  box-shadow: inset 0 0 0 1px rgba(212, 168, 83, 0.1);
}

.flashcards-view .mcq-option:has(input:checked) span {
  color: var(--text);
}

.flashcards-view .mcq-option:has(input:focus-visible) {
  border-color: rgba(212, 168, 83, 0.32);
  box-shadow: 0 0 0 2px rgba(212, 168, 83, 0.14);
}

.quiz-builder {
  display: grid;
  gap: 18px;
  margin-top: 16px;
}

.quiz-builder__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.quiz-builder__header-action {
  display: flex;
  justify-content: flex-end;
  flex: 0 0 auto;
}

.quiz-builder__layout {
  display: grid;
  grid-template-columns: minmax(330px, 390px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.quiz-builder__sidebar {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.quiz-builder__sidebar-card {
  display: grid;
  gap: 12px;
  min-width: 0;
  padding: 18px;
  border: 1px solid rgba(96, 165, 250, 0.14);
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(96, 165, 250, 0.06), rgba(255, 255, 255, 0.02));
  overflow: hidden;
}

.quiz-builder__selected-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.quiz-builder__selected-head-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.quiz-builder__field-help {
  margin-top: -2px;
}

.quiz-builder__topic-picker {
  display: grid;
  gap: 14px;
  min-width: 0;
  padding: 18px;
  border: 1px solid rgba(212, 168, 83, 0.18);
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(212, 168, 83, 0.06), rgba(255, 255, 255, 0.02));
}

.quiz-builder__topic-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.quiz-builder__topic-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.quiz-builder__topic-filter {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  font: inherit;
  color: var(--text);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.2;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.quiz-builder__topic-filter:hover,
.quiz-builder__topic-filter:focus-visible {
  border-color: rgba(212, 168, 83, 0.38);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.quiz-builder__topic-filter:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.quiz-builder__topic-filter--active {
  border-color: rgba(212, 168, 83, 0.56);
  background: rgba(212, 168, 83, 0.18);
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(212, 168, 83, 0.16), 0 0 0 1px rgba(212, 168, 83, 0.08);
}

.quiz-builder__topic-toolbar {
  display: block;
}

.quiz-builder__topic-search {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-height: 48px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
}

.quiz-builder__topic-search:focus-within {
  border-color: rgba(212, 168, 83, 0.32);
  box-shadow: 0 0 0 2px rgba(212, 168, 83, 0.1);
}

.quiz-builder__topic-search-icon {
  color: var(--text-dim);
  font-size: 16px;
}

.quiz-builder__topic-search-input {
  min-height: 46px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
}

.quiz-builder__topic-search-input:disabled {
  cursor: not-allowed;
  color: var(--text-dim);
}

.quiz-builder__topic-search-input::placeholder {
  color: var(--text-dim);
}

.quiz-builder__topic-count {
  white-space: nowrap;
  text-align: right;
  justify-self: end;
}

.quiz-builder__topic-state {
  color: var(--text-muted);
  line-height: 1.65;
}

.quiz-builder__selected-topics-label {
  color: var(--text);
  font-weight: 700;
}

.quiz-builder__selected-summary {
  color: var(--text-muted);
}

.quiz-builder__selected-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: flex-start;
  align-content: flex-start;
  min-height: 72px;
  max-width: 100%;
  overflow: hidden;
}

.quiz-builder__topic-results {
  display: grid;
  gap: 6px;
}

.quiz-builder__selected-topic {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  max-width: 100%;
  min-height: 36px;
  padding: 6px 12px 6px 8px;
  border: 1px solid rgba(212, 168, 83, 0.26);
  background: rgba(212, 168, 83, 0.09);
  border-radius: 999px;
  overflow: hidden;
}

.quiz-builder__topic-result {
  appearance: none;
  display: block;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 10px;
  font: inherit;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
}

.quiz-builder__topic-result:hover,
.quiz-builder__topic-result:focus-visible {
  border-color: rgba(212, 168, 83, 0.24);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.quiz-builder__topic-result:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.quiz-builder__selected-topic-label {
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
}

.quiz-builder__selected-topic-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(248, 113, 113, 0.14);
  font: inherit;
  color: var(--danger);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
}

.quiz-builder__selected-topic-remove:hover,
.quiz-builder__selected-topic-remove:focus-visible {
  background: rgba(248, 113, 113, 0.24);
}

.quiz-builder__topic-empty {
  width: 100%;
  padding: 14px 16px;
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  color: var(--text-dim);
  line-height: 1.65;
  background: rgba(255, 255, 255, 0.02);
}

.quiz-history {
  display: grid;
  gap: 16px;
}

.quiz-history__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.quiz-history__list {
  display: grid;
  gap: 12px;
}

.quiz-history__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
}

.quiz-history__item-main {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.quiz-history__item-top {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.quiz-history__status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.quiz-history__status--completed {
  color: #86efac;
  background: rgba(34, 197, 94, 0.12);
}

.quiz-history__status--in_progress {
  color: #93c5fd;
  background: rgba(59, 130, 246, 0.14);
}

.quiz-history__status--preparing {
  color: #fcd34d;
  background: rgba(245, 158, 11, 0.16);
}

.quiz-history__item-title,
.quiz-history__item-scope,
.quiz-history__item-meta {
  margin: 0;
}

.quiz-history__item-title {
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
}

.quiz-history__item-scope {
  color: var(--text-muted);
  line-height: 1.55;
}

.quiz-history__item-meta {
  color: var(--text-dim);
  line-height: 1.55;
}

.quiz-history__actions,
.quiz-history__actions form {
  display: flex;
  align-items: center;
  gap: 10px;
}

.quiz-history__actions {
  flex: 0 0 auto;
}

.quiz-history__actions form {
  margin: 0;
}

.quiz-session__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.quiz-session__score {
  text-align: right;
}

.quiz-session__score-value {
  font-size: 34px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.quiz-session__score-meta {
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 13px;
}

.quiz-session__questions {
  padding-right: 96px;
}

.quiz-question-stack {
  display: grid;
  gap: 16px;
}

.quiz-session__submit {
  margin-top: 8px;
}

.quiz-result__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 14px;
}

.quiz-result__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.quiz-result__badge--correct {
  color: var(--success);
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.24);
}

.quiz-result__badge--incorrect {
  color: var(--danger);
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.24);
}

.quiz-result-list {
  display: grid;
  gap: 14px;
}

.quiz-result-item {
  padding: 0;
  overflow: hidden;
}

.quiz-result-item__summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
}

.quiz-result-item__summary::-webkit-details-marker {
  display: none;
}

.quiz-result-item__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  flex: 0 0 32px;
}

.quiz-result-item__icon--correct {
  color: var(--success);
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.24);
}

.quiz-result-item__icon--incorrect {
  color: var(--danger);
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.24);
}

.quiz-result-item__number {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.quiz-result-item__preview {
  flex: 1;
  min-width: 0;
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.quiz-result-item__chevron {
  width: 10px;
  height: 10px;
  border-right: 1.5px solid var(--text-dim);
  border-bottom: 1.5px solid var(--text-dim);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
  flex: 0 0 auto;
}

.quiz-result-item[open] .quiz-result-item__chevron {
  transform: rotate(-135deg);
}

.quiz-result-item__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--border);
}

.quiz-result-item__panels {
  padding-top: 14px;
}

.quiz-result-item__panels .flashcard-panel--answer {
  border-bottom: 0;
  padding-bottom: 0;
}

.quiz-feedback-card {
  margin-top: 16px;
}

.quiz-feedback-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.quiz-feedback-card__brand {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

.quiz-share {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.quiz-share__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.quiz-share__toggle {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}

.quiz-share__toggle-label {
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
}

.quiz-share__toggle-switch {
  position: relative;
  display: inline-flex;
  width: 54px;
  height: 30px;
  flex: 0 0 auto;
}

.quiz-share__toggle-switch input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  margin: 0;
}

.quiz-share__toggle-track {
  width: 100%;
  height: 100%;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.quiz-share__toggle-thumb {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: #f8fafc;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.24);
  transition: transform 0.2s ease;
}

.quiz-share__toggle-switch input:checked + .quiz-share__toggle-track {
  background: rgba(212, 168, 83, 0.22);
  border-color: rgba(212, 168, 83, 0.45);
}

.quiz-share__toggle-switch input:checked + .quiz-share__toggle-track + .quiz-share__toggle-thumb {
  transform: translateX(24px);
}

.quiz-share__toggle-switch input:focus-visible + .quiz-share__toggle-track {
  box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.18);
}

.quiz-share__toggle-switch input:disabled + .quiz-share__toggle-track,
.quiz-share__toggle-switch input:disabled + .quiz-share__toggle-track + .quiz-share__toggle-thumb {
  opacity: 0.65;
}

.quiz-share__input {
  width: 100%;
  min-height: 48px;
}

.quiz-share__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.quiz-share__button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.quiz-share__button-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.quiz-share__button-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.quiz-share__button-icon--copy {
  color: #d4a853;
}

.quiz-share__button-icon--linkedin {
  color: #0a66c2;
}

.quiz-share__button-icon--x {
  color: #f3f4f6;
}

.quiz-share__button-icon--facebook {
  color: #1877f2;
}

.quiz-share__button-icon--whatsapp {
  color: #25d366;
}

.quiz-share__button-icon--email {
  color: #60a5fa;
}

.app-toast-stack {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 1200;
  display: grid;
  gap: 10px;
  width: min(360px, calc(100vw - 32px));
}

.app-toast {
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(15, 23, 42, 0.96);
  color: #f8fafc;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.35);
  transform: translateY(10px);
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.app-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.app-toast--success {
  border-color: rgba(34, 197, 94, 0.32);
}

.app-toast--error {
  border-color: rgba(248, 113, 113, 0.34);
}

.app-toast--info {
  border-color: rgba(96, 165, 250, 0.34);
}

.flashcard-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: flex-start;
}

.flashcard-filter .filter-group {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}

.flashcard-filter .filter-option {
  display: flex;
  gap: 6px;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
}

.flashcard-filter .filter-option input {
  margin-top: 0;
}

.flashcard-filter__group {
  margin-left: 0;
  display: inline-flex;
  gap: 14px;
  align-items: center;
  flex-wrap: nowrap;
}

.btn--small {
  padding: 6px 12px;
  font-size: 12px;
}

select.editor__textarea option {
  color: #111318;
  background: #f4f5f8;
}

.btn--success {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
  font-weight: 700;
}

.btn--success:hover {
  filter: brightness(1.05);
}

.question-prompt {
  font-size: 15px;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 16px;
}

/* ---------- Sub-questions List ---------- */
.sub-questions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-left: 8px;
}

.sub-question {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

.sub-question__num {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  color: var(--accent);
  min-width: 20px;
}

/* ---------- Answer Editor ---------- */
.editor__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}

.editor__toolbar {
  display: flex;
  gap: 4px;
  margin-bottom: 12px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}

.editor__toolbar-btn {
  width: 32px;
  height: 32px;
  border-radius: 4px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.editor__toolbar-btn:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--text-dim);
}

.editor__textarea {
  width: 100%;
  min-height: 200px;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 15px;
  line-height: 1.75;
  resize: vertical;
}

.editor__textarea::placeholder {
  color: var(--text-dim);
}

/* ---------- Actions Row ---------- */
.actions-row {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.actions-row--center {
  justify-content: center;
}

.flashcards-view__actions {
  margin-top: -2px;
}

/* ---------- Score Display ---------- */
.score-display {
  text-align: center;
}

.score-display__value {
  font-family: var(--font-display);
  font-size: 80px;
  font-weight: 700;
  line-height: 1;
  margin-top: 16px;
}

.score-display__max {
  font-size: 36px;
  color: var(--text-dim);
}

.score-display__label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 12px;
}

/* ---------- Section Title in Cards ---------- */
.card-section-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ---------- Answer Display Block ---------- */
.answer-display {
  padding: 16px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
}

.answer-display__text {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.75;
  font-style: italic;
}

.answer-display__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 15px;
  font-weight: 700;
}

.answer-display__status--success {
  color: var(--success);
}

.answer-display__status--danger {
  color: var(--danger);
}

.answer-display__status-icon {
  font-size: 20px;
  line-height: 1;
}

/* ---------- Feedback Box ---------- */
.feedback-text {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
}

body.flashcard-feedback-modal-open {
  overflow: hidden;
}

.flashcard-feedback-modal {
  position: fixed;
  inset: 0;
  z-index: 140;
  display: grid;
  place-items: center;
  padding: 20px;
}

.flashcard-feedback-modal[hidden] {
  display: none !important;
}

.flashcard-feedback-modal__ai-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}

.flashcard-feedback-modal__ai-brand .badge {
  width: max-content;
}

.flashcard-feedback-modal__ai-hint {
  margin: 0;
}

.flashcard-feedback-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 10, 18, 0.78);
  backdrop-filter: blur(8px);
}

.flashcard-feedback-modal__dialog {
  position: relative;
  z-index: 1;
  width: min(1040px, calc(100vw - 40px));
  max-height: calc(100vh - 40px);
  overflow: auto;
  padding: 22px 22px 20px;
  border: 1px solid rgba(212, 168, 83, 0.22);
  border-radius: 16px;
  background: rgba(16, 23, 33, 0.98);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.48);
}

.flashcard-feedback-modal__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
}

.flashcard-feedback-modal__title {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--text);
}

.flashcard-feedback-modal__close {
  min-width: 38px;
  min-height: 38px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-size: 26px;
  line-height: 1;
}

.flashcard-feedback-modal__close:hover {
  border-color: rgba(212, 168, 83, 0.26);
  background: rgba(212, 168, 83, 0.08);
  color: var(--accent-light);
}

.flashcard-feedback-modal__content {
  display: grid;
}

.flashcard-feedback-modal__actions {
  justify-content: flex-end;
  margin-top: 6px;
}

.flashcard-feedback-modal__summary {
  cursor: pointer;
}

.feedback-callout {
  margin-top: 20px;
  padding: 14px 16px;
  border-radius: 8px;
  background: rgba(96, 165, 250, 0.05);
  border: 1px solid rgba(96, 165, 250, 0.1);
}

.feedback-callout__label {
  font-size: 12px;
  font-weight: 600;
  color: var(--info);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.feedback-callout__text {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---------- Discussions ---------- */
.discussion-docs__shell {
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
}

.discussion-docs__shell--detail {
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
}

.discussion-docs__sidebar-card {
  gap: 20px;
}

.discussion-docs__panel {
  display: grid;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.discussion-docs__panel:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.discussion-docs__panel-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.discussion-docs__panel-note {
  color: var(--text-muted);
  line-height: 1.7;
}

.discussion-docs__form-stack {
  display: grid;
  gap: 12px;
}

.discussion-docs__lead {
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.discussion-docs__lead-title,
.discussion-docs__section-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--text);
}

.discussion-docs__lead-copy {
  margin-top: 10px;
  max-width: 920px;
  color: var(--text-muted);
  line-height: 1.8;
}

.discussion-docs__thread-list,
.discussion-docs__comments {
  display: grid;
  gap: 0;
}

.discussion-docs__thread-card,
.discussion-docs__thread-detail,
.discussion-docs__comment {
  display: grid;
  gap: 12px;
  padding: 18px 0;
  border-top: 1px solid var(--border);
}

.discussion-docs__thread-card:first-child,
.discussion-docs__thread-detail {
  border-top: 1px solid var(--border);
}

.discussion-docs__thread-meta,
.discussion-docs__comment-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.discussion-docs__thread-title {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.discussion-docs__thread-link {
  color: var(--text);
}

.discussion-docs__thread-link:hover {
  color: var(--accent-light);
}

.discussion-docs__thread-excerpt,
.discussion-docs__thread-body,
.discussion-docs__comment-body,
.discussion-docs__empty-copy {
  color: var(--text-muted);
  line-height: 1.8;
}

.discussion-docs__thread-footer,
.discussion-docs__section-head,
.discussion-docs__button-row,
.discussion-docs__comment-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}

.discussion-docs__thread-question {
  flex: 1;
  min-width: 220px;
  color: var(--text-dim);
}

.discussion-docs__thread-open {
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.discussion-docs__meta-list {
  display: grid;
  gap: 12px;
}

.discussion-docs__meta-list div {
  display: grid;
  gap: 2px;
}

.discussion-docs__meta-list dt {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.discussion-docs__meta-list dd {
  color: var(--text);
}

.discussion-docs__comments-section {
  display: grid;
  gap: 4px;
}

.discussion-docs__comment {
  position: relative;
}

.discussion-docs__comment[data-depth='0'] {
  margin-left: 0;
}

.discussion-docs__comment[data-depth='1'] {
  margin-left: 18px;
}

.discussion-docs__comment[data-depth='2'],
.discussion-docs__comment[data-depth='3'],
.discussion-docs__comment[data-depth='4'] {
  margin-left: 36px;
}

.discussion-docs__comment--accepted {
  border-top-color: rgba(52, 211, 153, 0.22);
}

.discussion-docs__comment-replies {
  display: grid;
  gap: 0;
  padding-left: 18px;
  border-left: 1px solid rgba(255, 255, 255, 0.06);
}

.discussion-docs__reply-form {
  display: grid;
  gap: 8px;
  margin-top: 4px;
}

.discussion-docs__empty {
  display: grid;
  gap: 8px;
  padding: 22px 0;
  border-top: 1px solid var(--border);
}

.discussion-docs__empty-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
}

/* ---------- Clara Search ---------- */
.search-docs__prompt-shell {
  margin-top: 18px;
  margin-bottom: 20px;
}

.search-docs__prompt-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.search-docs__prompt {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-height: 56px;
  padding: 0 14px;
  border: 1px solid rgba(212, 168, 83, 0.18);
  border-radius: 10px;
  background: rgba(16, 23, 33, 0.94);
}

.search-docs__prompt-name {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.search-docs__prompt-input {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 15px;
}

.search-docs__prompt-input::placeholder {
  color: var(--text-dim);
}

.search-docs__shell {
  grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
}

.search-docs__sidebar-card {
  gap: 20px;
}

.search-docs__panel {
  display: grid;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.search-docs__panel:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.search-docs__panel-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.search-docs__panel-copy,
.search-docs__empty-copy {
  color: var(--text-muted);
  line-height: 1.75;
}

.search-docs__links {
  display: grid;
  gap: 8px;
}

.search-docs__link {
  color: var(--text-muted);
}

.search-docs__link:hover {
  color: var(--text);
}

.search-docs__results {
  display: grid;
  gap: 16px;
}

.search-docs__results-head {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.search-docs__results-title,
.search-docs__empty-title {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--text);
}

.search-docs__result-list {
  display: grid;
  gap: 0;
}

.search-docs__result {
  display: grid;
  gap: 10px;
  padding: 18px 0;
  border-top: 1px solid var(--border);
}

.search-docs__result:first-child {
  border-top: 0;
  padding-top: 0;
}

.search-docs__result-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.search-docs__result-text {
  color: var(--text);
  line-height: 1.8;
}

.search-docs__result-citations {
  color: var(--text-dim);
  line-height: 1.7;
}

.search-docs__empty {
  display: grid;
  gap: 8px;
  padding-top: 4px;
}

/* ---------- Sales Chat ---------- */
.sales-chat {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  display: grid;
  justify-items: end;
  gap: 10px;
}

.sales-chat__launcher {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid rgba(212, 168, 83, 0.22);
  border-radius: 10px;
  background: rgba(16, 23, 33, 0.94);
  color: var(--text);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
}

.sales-chat--open .sales-chat__launcher {
  display: none;
}

.sales-chat__launcher:hover {
  border-color: rgba(212, 168, 83, 0.42);
  background: rgba(20, 28, 40, 0.98);
}

.sales-chat__launcher-badge {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.sales-chat__launcher-copy {
  font-size: 13px;
  font-weight: 600;
}

.sales-chat__panel {
  width: min(360px, calc(100vw - 24px));
  max-height: min(70vh, 620px);
  overflow: hidden;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto auto;
  gap: 0;
  border: 1px solid rgba(212, 168, 83, 0.16);
  border-radius: 14px;
  background: rgba(16, 23, 33, 0.98);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
}

.sales-chat__panel[hidden] {
  display: none !important;
}

.sales-chat:not(.sales-chat--open) .sales-chat__panel {
  display: none !important;
}

.sales-chat__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.sales-chat__eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.sales-chat__title {
  margin-top: 4px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

.sales-chat__close {
  min-width: 28px;
  height: 28px;
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  font-size: 20px;
  line-height: 1;
}

.sales-chat__close:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.sales-chat__notice {
  padding: 10px 16px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.6;
}

.sales-chat__messages {
  display: grid;
  gap: 10px;
  min-height: 180px;
  overflow-y: auto;
  padding: 14px 16px;
}

.sales-chat__message {
  max-width: 92%;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.7;
}

.sales-chat__message--bot {
  justify-self: start;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
}

.sales-chat__message--user {
  justify-self: end;
  background: rgba(212, 168, 83, 0.14);
  color: var(--text);
}

.sales-chat__message--typing {
  color: var(--text-dim);
}

.sales-chat__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 16px 14px;
}

.sales-chat__action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 6px 10px;
  border: 1px solid rgba(212, 168, 83, 0.16);
  border-radius: 999px;
  background: transparent;
  color: var(--accent-light);
  font-size: 12px;
  font-weight: 600;
}

.sales-chat__action:hover {
  border-color: rgba(212, 168, 83, 0.35);
  background: rgba(212, 168, 83, 0.08);
  color: var(--text);
}

.sales-chat__composer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  padding: 14px 16px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.sales-chat__input {
  width: 100%;
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.sales-chat__input::placeholder {
  color: var(--text-dim);
}

.sales-chat__send {
  min-height: 42px;
  padding: 0 14px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
}

.sales-chat__send:hover:not(:disabled) {
  background: var(--accent-light);
}

.sales-chat__send:disabled {
  opacity: 0.65;
  cursor: default;
}

/* ---------- Collapsible Topic ---------- */
.topic-group {
  margin-bottom: 14px;
}

.topic-group__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  cursor: pointer;
  transition: background 0.2s;
  user-select: none;
}

.topic-group__header:hover {
  background: rgba(255, 255, 255, 0.02);
}

.topic-group__title-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
}

.topic-group__indicator {
  width: 4px;
  height: 32px;
  border-radius: 2px;
  flex-shrink: 0;
}

.topic-group__title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

.topic-group__chevron {
  color: var(--text-dim);
  font-size: 18px;
  transition: transform 0.2s;
}

.topic-group__chevron--open {
  transform: rotate(180deg);
}

.topic-group__body {
  padding: 12px 18px 16px;
  border-top: 1px solid var(--border);
  display: none;
}

.topic-group__body--open {
  display: block;
}

.topic-section-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 8px 0 12px;
}

.topic-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  padding: 8px 0 4px;
}

.topic-thread {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  margin: 4px 0;
  margin-left: 16px;
  border-radius: var(--radius-md);
  background: var(--surface-light);
  cursor: pointer;
  transition: background 0.2s;
}

.topic-thread:hover {
  background: rgba(26, 34, 52, 0.9);
}

.topic-thread__title {
  font-size: 14px;
  color: var(--text-muted);
}

/* ---------- Footer ---------- */
.footer {
  padding: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  margin-top: 40px;
}

.footer__text {
  font-size: 13px;
  color: var(--text-dim);
}

/* ---------- Status Pages ---------- */
.status-page {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.status-page__code {
  font-family: var(--font-display);
  font-size: 96px;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
}

.status-page__message {
  max-width: 520px;
  margin: 0 auto;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-muted);
}

.status-page__actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- Utility Spacing ---------- */
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-40 { margin-top: 40px; }
.mt-48 { margin-top: 48px; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-40 { margin-bottom: 40px; }
.py-60 { padding-top: 60px; padding-bottom: 60px; }
.gap-20 { gap: 20px; }

/* ---------- Flex Utilities ---------- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }

/* ---------- Text Utilities ---------- */
.text-center { text-align: center; }
.text-sm { font-size: 13px; }
.text-xs { font-size: 12px; }
.text-dim { color: var(--text-dim); }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent); }
.font-display { font-family: var(--font-display); }

/* ---------- Admin Layout ---------- */
.admin-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.admin-sidebar {
  position: sticky;
  top: 92px;
}

.admin-sidebar-card {
  padding: 14px;
}

.admin-sidebar__nav {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.admin-sidebar__link {
  display: block;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 10px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
}

.admin-sidebar__link:hover {
  border-color: rgba(212, 168, 83, 0.35);
  color: var(--text);
}

.admin-sidebar__link--active {
  border-color: rgba(212, 168, 83, 0.45);
  background: rgba(212, 168, 83, 0.08);
  color: var(--text);
}

.admin-sidebar__label {
  display: block;
  font-weight: 600;
  font-size: 13px;
  color: inherit;
}

.admin-sidebar__meta {
  display: block;
  margin-top: 2px;
  font-size: 11px;
  color: var(--text-dim);
}

.admin-content {
  min-width: 0;
}

.template-editor-card {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
}

.template-editor-card__head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.template-editor-card__tokens {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 14px 0 12px;
}

.template-editor-card__tokens code {
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid rgba(212, 168, 83, 0.16);
  background: rgba(212, 168, 83, 0.08);
  color: var(--accent-light);
  font-size: 12px;
}

.template-editor-card__textarea {
  width: 100%;
  min-height: 180px;
}

.template-editor-card__default {
  margin-top: 10px;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
}

.exam-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.exam-sidebar {
  position: sticky;
  top: 92px;
}

.exam-content {
  min-width: 0;
}

.exam-question {
  scroll-margin-top: 92px;
}

.exam-rail {
  position: fixed;
  top: 50%;
  right: 18px;
  transform: translateY(-50%);
  z-index: 40;
  width: 70px;
  padding: 10px 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(17, 24, 39, 0.9);
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

.exam-rail__header {
  display: grid;
  gap: 6px;
  justify-items: center;
  margin-bottom: 10px;
}

.exam-rail__count {
  font-size: 11px;
  color: var(--text-dim);
}

.exam-rail__arrow {
  width: 100%;
  height: 34px;
  border-radius: 10px;
  border: 1px solid rgba(212, 168, 83, 0.16);
  background: rgba(255, 255, 255, 0.02);
  color: var(--accent);
  font-size: 16px;
}

.exam-rail__arrow:hover:not(:disabled) {
  border-color: rgba(212, 168, 83, 0.35);
  background: rgba(212, 168, 83, 0.08);
}

.exam-rail__arrow:disabled {
  color: var(--text-dim);
  cursor: default;
  opacity: 0.6;
}

.exam-rail__list {
  display: grid;
  gap: 0;
  margin: 10px 0;
}

.exam-rail__tab {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 8px;
  border-top: 1px solid rgba(212, 168, 83, 0.12);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.exam-rail__tab:first-child {
  border-top: 0;
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
}

.exam-rail__tab:last-child {
  border-bottom-left-radius: 10px;
  border-bottom-right-radius: 10px;
}

.exam-rail__tab:hover {
  color: var(--text);
  background: rgba(212, 168, 83, 0.08);
}

.exam-rail__tab--answered::after {
  content: '';
  position: absolute;
  left: 8px;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  transform: translateY(-50%);
  background: var(--success);
}

.exam-rail__tab--active {
  color: var(--text);
  background: rgba(212, 168, 83, 0.14);
  border-color: rgba(212, 168, 83, 0.32);
}

.exam-rail__tab-label {
  display: block;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.01em;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .quiz-builder__layout {
    grid-template-columns: 1fr;
  }

  .quiz-builder__header {
    flex-direction: column;
    align-items: stretch;
  }

  .quiz-builder__header-action {
    justify-content: flex-start;
  }

  .quiz-builder__selected-head,
  .quiz-builder__topic-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .quiz-builder__topic-toolbar {
    grid-template-columns: 1fr;
  }

  .quiz-builder__topic-filters {
    width: 100%;
  }

  .quiz-builder__topic-count {
    white-space: normal;
  }

  .quiz-history__item {
    flex-direction: column;
    align-items: stretch;
  }

  .quiz-history__actions {
    flex: 1 1 auto;
  }

  .flashcards-view__filter-row {
    justify-content: flex-start;
    overflow-x: auto;
  }

  .flashcards-view .flashcard-filter {
    min-width: max-content;
  }

  .flashcards-view .mcq-options {
    margin-left: 0;
    padding-left: 100px;
  }

  .flashcard-feedback-modal {
    padding: 14px;
  }

  .flashcard-feedback-modal__dialog {
    width: min(100%, calc(100vw - 28px));
    max-height: calc(100vh - 28px);
    padding: 18px 16px 16px;
  }

  .flashcard-feedback-modal__header {
    margin-bottom: 14px;
  }

  .flashcard-feedback-modal__actions {
    justify-content: flex-start;
  }

  .quiz-share {
    flex-direction: column;
    align-items: stretch;
  }

  .quiz-share__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .quiz-session__header,
  .quiz-result__head {
    flex-direction: column;
  }

  .quiz-session__score {
    text-align: left;
  }

  .quiz-session__questions {
    padding-right: 0;
  }

  .quiz-result-item__summary,
  .quiz-feedback-card__header {
    flex-wrap: wrap;
  }

  .quiz-result-item__preview {
    white-space: normal;
  }

  .container {
    padding: 0 20px;
  }

  .page-main {
    padding-top: 20px;
    padding-bottom: 32px;
  }

  .navbar {
    padding: 0 20px;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .hero__title {
    font-size: 40px;
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .stats-bar__inner {
    flex-wrap: wrap;
    gap: 40px;
  }

  .section-header__title {
    font-size: 32px;
  }

  .codal-docs__catalog-stats {
    gap: 10px;
  }

  .codal-catalog__header {
    flex-direction: column;
  }

  .codal-catalog__title {
    font-size: 24px;
  }

  .codal-reader__title {
    font-size: 32px;
  }

  .navbar__links {
    display: none;
  }

  .discussion-docs__thread-title {
    font-size: 26px;
  }

  .home-metrics__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .home-panel__head,
  .home-usage__label-wrap,
  .home-preview__head {
    flex-direction: column;
    align-items: flex-start;
  }

  .template-editor-card__head {
    flex-direction: column;
  }

  .home-history__item {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 992px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    position: static;
  }

  .codal-kb {
    grid-template-columns: 1fr;
  }

  .codal-kb__sidebar {
    position: static;
    max-height: none;
  }

  .codal-kb__hero-head {
    flex-direction: column;
  }

  .codal-kb__meta-grid {
    grid-template-columns: 1fr;
  }

  .codal-docs__topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .codal-docs__shell {
    grid-template-columns: 1fr;
  }

  .codal-docs__sidebar {
    position: static;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .codal-docs__content {
    padding: 20px 0 0;
  }

  .codal-docs__article-title {
    font-size: 38px;
  }

  .codal-docs__meta-grid {
    grid-template-columns: 1fr;
  }

  .discussion-docs__lead-title,
  .discussion-docs__section-title {
    font-size: 24px;
  }

  .search-docs__results-title,
  .search-docs__empty-title {
    font-size: 24px;
  }

  .search-docs__prompt-form {
    grid-template-columns: 1fr;
  }

  .sales-chat {
    right: 16px;
    bottom: 16px;
  }

  .discussion-docs__comment[data-depth='1'],
  .discussion-docs__comment[data-depth='2'],
  .discussion-docs__comment[data-depth='3'],
  .discussion-docs__comment[data-depth='4'] {
    margin-left: 16px;
  }

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

  .exam-sidebar {
    position: static;
  }

  .hero--home,
  .home-dashboard__grid,
  .home-stream__grid {
    grid-template-columns: 1fr;
  }

  .home-preview {
    padding-left: 0;
    padding-right: 0;
    border-top-width: 1px;
  }

  .admin-sidebar__nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .exam-rail {
    right: 12px;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }

  .navbar {
    padding: 0 16px;
  }

  .sales-chat {
    right: 12px;
    bottom: 12px;
    left: 12px;
    justify-items: stretch;
  }

  .search-docs__results-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .sales-chat__launcher,
  .sales-chat__panel {
    width: 100%;
  }

  .discussion-docs__thread-footer,
  .discussion-docs__section-head,
  .discussion-docs__button-row,
  .discussion-docs__comment-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .admin-sidebar__nav {
    grid-template-columns: 1fr;
  }

  .exam-rail {
    top: auto;
    bottom: 18px;
    transform: none;
  }
}

/* ---------- Extended Application Styles ---------- */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.card ul,
.card ol {
  margin-left: 18px;
  display: grid;
  gap: 8px;
}

.card table {
  width: 100%;
  border-collapse: collapse;
}

.card table thead th {
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
}

.card table tbody td {
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
  font-size: 14px;
  color: var(--text-muted);
}

input.editor__textarea,
select.editor__textarea,
textarea.editor__textarea {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  padding: 9px 10px;
}

input.editor__textarea,
select.editor__textarea {
  min-height: 46px;
}

textarea.editor__textarea {
  min-height: 150px;
}

.premium-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
}

.premium-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 10, 18, 0.72);
  backdrop-filter: blur(8px);
}

.premium-modal__dialog {
  position: relative;
  width: min(920px, calc(100vw - 32px));
  margin: 8vh auto 0;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
}

.premium-modal__header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.premium-modal__title {
  margin: 10px 0 8px;
  font-size: 32px;
}

.premium-modal__desc {
  margin: 0;
  color: var(--text-dim);
}

.premium-modal__close {
  min-width: 38px;
  min-height: 38px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.premium-modal__footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.plan-card {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.025);
}

.plan-card--featured {
  border-color: rgba(244, 192, 84, 0.35);
  background: rgba(244, 192, 84, 0.08);
}

.plan-card__eyebrow {
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.plan-card__title {
  margin: 0 0 12px;
  font-size: 24px;
}

.plan-card__list {
  margin: 0;
  padding-left: 18px;
  color: var(--text-dim);
}

.plan-card__list li + li {
  margin-top: 8px;
}

.account-plan-card__metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.account-plan-card__value {
  margin-top: 6px;
  font-size: 28px;
  font-weight: 700;
}

.billing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.billing-inline-form {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  align-items: center;
}

.billing-inline-form__date {
  min-width: 168px;
  min-height: 42px;
}

@media (max-width: 992px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .premium-modal__footer {
    flex-direction: column;
    align-items: stretch;
  }

  .plan-grid,
  .billing-grid,
  .account-plan-card__metrics {
    grid-template-columns: 1fr;
  }

  .billing-inline-form {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 768px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }
}