/* ============================================================
   French Beginner — "Café Notebook" aesthetic
   ============================================================ */

:root {
  --bg-base: #F5F0E8;
  --bg-elevated: #FAF7F2;
  --bg-accent: #EDE5D0;
  --text-primary: #1E2340;
  --text-muted: #7A6F5E;
  --accent-primary: #8B1A2F;
  --accent-secondary: #C8881A;
  --success: #4A7C59;
  --warning: #B87333;
  --danger: #9B3A3A;
  --border: #C8BFA8;

  --shadow-card: 0 2px 8px rgba(62, 44, 28, 0.10), 0 1px 2px rgba(62, 44, 28, 0.08);
  --shadow-lift: 0 6px 20px rgba(62, 44, 28, 0.16), 0 2px 4px rgba(62, 44, 28, 0.10);

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Source Sans 3', system-ui, sans-serif;
  --font-accent: 'Caveat', cursive;
  --font-ipa: 'Charis SIL', 'Segoe UI', 'DejaVu Sans', system-ui;
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  display: grid;
  grid-template-columns: 260px 1fr 280px;
  grid-template-rows: 56px 4px 1fr;
  grid-template-areas:
    "topbar   topbar   topbar"
    "progress progress progress"
    "sidebar  content  rail";
  height: 100dvh;
  overflow: hidden;
  position: relative;
}
.topbar { position: sticky; top: 0; z-index: 50; }
[data-sidebar], [data-rail], [data-content] { overflow-y: auto; min-height: 0; }

.progress-rail {
  grid-area: progress;
  position: relative;
  height: 4px;
  background: rgba(21,62,120,0.08);
  overflow: visible;
}
.progress-rail__fill {
  height: 100%;
  width: 0%;
  background: #153E78;
  transition: width 0.4s ease;
}
.progress-rail__label {
  position: absolute;
  right: 8px; top: 6px;
  font-family: Inter, system-ui, sans-serif;
  font-size: 10px;
  font-weight: 700;
  color: #153E78;
  background: var(--bg-elevated);
  padding: 1px 6px;
  border-radius: 8px;
  letter-spacing: 0.02em;
}

/* Paper grain */
body::before {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}

@media (max-width: 1100px) {
  body {
    grid-template-columns: 240px 1fr;
    grid-template-areas:
      "topbar   topbar"
      "progress progress"
      "sidebar  content";
  }
  [data-rail] { display: none; }
}
.sidebar-backdrop {
  position: fixed; inset: 0; background: rgba(15, 23, 42, 0.45);
  z-index: 90; opacity: 0; pointer-events: none;
  transition: opacity 240ms ease;
}
.sidebar-backdrop.open { opacity: 1; pointer-events: auto; }

@media (max-width: 900px) {
  body {
    display: block !important;
    height: 100dvh; overflow: hidden;
  }
  .topbar { display: flex; height: 56px; }
  .progress-rail {
    display: block; position: absolute;
    top: 56px; left: 0; right: 0; height: 4px; z-index: 49;
  }
  .content {
    position: absolute !important;
    top: 60px !important; left: 0 !important; right: 0 !important; bottom: 0 !important;
    width: 100% !important; max-width: 100% !important;
    overflow-y: auto; grid-area: unset !important;
  }
  .content__inner { padding: 1.25rem 1rem 0.5rem !important; max-width: 100% !important; margin: 0 !important; width: 100% !important; }
  .content__pager { padding: 1rem 1rem 3rem; max-width: 100%; margin: 0; }
  .sidebar {
    position: fixed !important;
    top: 60px !important; bottom: 0 !important; left: 0 !important; right: auto !important;
    width: min(85vw, 320px) !important; z-index: 110 !important;
    background: var(--bg-elevated) !important;
    transform: translateX(-100%);
    transition: transform 280ms ease;
    box-shadow: 4px 0 24px rgba(15,23,42,0.25);
    grid-area: unset !important;
  }
  .sidebar.open { transform: translateX(0) !important; }
  .sidebar-backdrop { z-index: 105 !important; }
  [data-rail] { display: none; }
  .topbar { padding: 0 0.85rem; gap: 0.5rem; }
  .topbar__menu { display: flex !important; }
  .topbar__logo { height: 28px; }
  .topbar__title { font-size: 0.9rem; }
  .topbar__search { display: none; }
  .lesson-header h1 { font-size: 1.5rem; line-height: 1.2; }
  .lesson-header__meta { flex-wrap: wrap; gap: 0.4rem; }
  .page-pager { padding: 0 1rem; margin: 1.25rem auto 1rem; max-width: 100%; }
  .page-pager__row { gap: 0.5rem; }
  .page-pager__btn { padding: 0.65rem 1rem; font-size: 0.85rem; }
  .lesson-page { padding: 0 0.1rem; }
  pre, code { overflow-x: auto; max-width: 100%; }
}

/* TOPBAR */
.topbar {
  grid-area: topbar;
  display: flex; align-items: center; gap: 1rem;
  padding: 0 1.25rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  z-index: 50;
  position: relative;
}
.topbar__menu {
  display: none;
  background: none; border: none; color: var(--text-muted);
  cursor: pointer; padding: 6px;
}
.topbar__brand { display: flex; align-items: center; gap: 0.75rem; flex: 1; min-width: 0; }
.topbar__logo {
  height: 32px; width: auto; display: block; flex-shrink: 0;
}
.topbar__title {
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-weight: 800; letter-spacing: -0.02em; color: #153E78;
  font-size: 1.05rem;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.topbar__progress { display: flex; align-items: center; gap: 0.5rem; font-family: var(--font-body); font-size: 0.8rem; color: var(--text-muted); }
.topbar__search {
  background: var(--bg-base); border: 1px solid var(--border);
  color: var(--text-muted); padding: 5px 12px; border-radius: 20px;
  display: flex; align-items: center; gap: 0.5rem; cursor: pointer;
  transition: all 150ms ease; font-family: var(--font-body); font-size: 0.85rem;
}
.topbar__search:hover { color: var(--accent-primary); border-color: var(--accent-primary); background: var(--bg-elevated); }
.topbar__search kbd {
  font-family: var(--font-body); font-size: 0.7rem; padding: 1px 5px;
  border: 1px solid var(--border); border-radius: 3px;
  background: var(--bg-elevated); color: var(--text-muted);
}

/* SIDEBAR */
.sidebar {
  grid-area: sidebar;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 1rem 0;
  position: relative; z-index: 1;
}
.sidebar__header {
  padding: 0.5rem 1.25rem 1rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.5rem;
}
.sidebar__course-title {
  font-family: var(--font-display); font-size: 0.75rem;
  color: var(--accent-primary); text-transform: uppercase; letter-spacing: 0.15em;
  font-weight: 600;
}
.sidebar__course-stats {
  font-family: var(--font-body); font-size: 0.8rem; color: var(--text-muted);
  margin-top: 0.25rem; font-style: italic;
}
.sidebar__nav { padding: 0 0.5rem; }
.module { margin-bottom: 0.5rem; }
.module__header {
  width: 100%; background: none; border: none;
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.5rem 0.75rem; cursor: pointer;
  color: var(--text-primary); font-family: var(--font-display);
  font-size: 0.95rem; font-weight: 600;
  border-radius: 4px;
  transition: background 150ms ease; text-align: left;
}
.module__header:hover { background: var(--bg-accent); }
.module__chevron { width: 12px; height: 12px; transition: transform 200ms ease; flex-shrink: 0; color: var(--accent-primary); }
.module[aria-expanded="true"] .module__chevron { transform: rotate(90deg); }
.module__number {
  font-family: var(--font-display); color: var(--accent-secondary);
  font-size: 0.8rem; flex-shrink: 0; font-style: italic;
}
.module__title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.module__progress {
  height: 2px; background: var(--border); border-radius: 1px;
  margin: 0 0.75rem 0.5rem 2rem;
}
.module__progress-fill { height: 100%; background: var(--accent-primary); border-radius: 1px; transition: width 400ms ease; }
.module__lessons {
  list-style: none; padding: 0; margin: 0 0 0.5rem 0;
  overflow: hidden; transition: max-height 200ms ease-out;
}
.module[aria-expanded="false"] .module__lessons { max-height: 0 !important; }
.lesson-link {
  display: flex; align-items: center; gap: 0.625rem;
  padding: 0.45rem 0.75rem 0.45rem 2rem;
  text-decoration: none; color: var(--text-muted);
  font-size: 0.9rem; line-height: 1.4;
  border-radius: 4px; border-left: 2px solid transparent;
  transition: all 120ms ease;
}
.lesson-link:hover { background: var(--bg-accent); color: var(--text-primary); }
.lesson-link.active {
  background: var(--bg-accent); color: var(--text-primary); font-weight: 600;
  border-left-color: var(--accent-primary);
}
.lesson-dot {
  width: 18px; height: 18px; flex-shrink: 0;
  border: 1.5px solid var(--border); border-radius: 50%;
  display: grid; place-items: center;
  transition: all 200ms ease; background: transparent;
}
.lesson-link.completed .lesson-dot {
  border-color: var(--accent-primary);
}
.lesson-link.completed .lesson-dot::after {
  content: ''; width: 9px; height: 9px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 11 11' fill='none' stroke='%238B1A2F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2 6 L4.5 8.5 L9 2.5'/%3E%3C/svg%3E");
  background-size: contain; background-repeat: no-repeat;
}
.lesson-title { flex: 1; }
.lesson-time { font-family: var(--font-body); font-size: 0.7rem; color: var(--text-muted); font-style: italic; flex-shrink: 0; }

/* CONTENT */
.content { grid-area: content; overflow-y: auto; outline: none; position: relative; z-index: 1; }
.content__inner { max-width: 720px; padding: 2.5rem 2.5rem 1rem; margin: 0 auto; width: 100%; }
.content__pager {
  max-width: 720px; padding: 1.5rem 2.5rem 4rem; margin: 0 auto;
  display: flex; justify-content: space-between; gap: 1rem;
}
.pager-btn {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 10px;
  padding: 0.85rem 1.25rem; color: var(--text-primary); text-decoration: none;
  font-family: var(--font-body); font-size: 0.9rem;
  display: flex; flex-direction: column; gap: 4px;
  min-width: 160px; cursor: pointer; box-shadow: var(--shadow-card);
  transition: all 180ms ease;
}
.pager-btn:hover { box-shadow: var(--shadow-lift); transform: translateY(-2px); border-color: var(--accent-primary); }
.pager-btn--next { text-align: right; align-items: flex-end; }
.pager-btn__label {
  font-family: var(--font-display); font-size: 0.75rem; color: var(--accent-secondary);
  font-style: italic; letter-spacing: 0.04em;
}
.pager-btn__title { font-weight: 600; font-family: var(--font-display); }

.lesson-page { min-height: 200px; margin-top: 0.5rem; }

/* PAGE PAGER (within a lesson) */
.page-pager {
  max-width: 720px; margin: 2rem auto 1rem; padding: 0 2.5rem;
  display: flex; flex-direction: column; gap: 0.85rem; align-items: stretch;
}
.page-pager__row {
  display: flex; gap: 0.75rem; align-items: center; justify-content: space-between;
}
.page-pager__btn {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 999px;
  padding: 0.7rem 1.3rem; color: var(--text-primary); cursor: pointer;
  font-family: Inter, system-ui, sans-serif; font-size: 0.9rem; font-weight: 600;
  display: inline-flex; align-items: center; gap: 0.45rem;
  transition: background 180ms, color 180ms, transform 120ms, box-shadow 180ms;
}
.page-pager__btn:hover:not([disabled]) { box-shadow: var(--shadow-lift); transform: translateY(-1px); }
.page-pager__btn--next {
  background: #153E78; color: #fff; border-color: #153E78;
}
.page-pager__btn--next:hover:not([disabled]) { background: #1B4A8C; border-color: #1B4A8C; }
.page-pager__btn[disabled] {
  opacity: 0.45; cursor: not-allowed; box-shadow: none; transform: none;
}
.page-pager__hint {
  font-family: var(--font-display); font-size: 0.85rem; font-style: italic;
  color: var(--text-muted); text-align: center; min-height: 1.2em;
  transition: opacity 240ms;
}
.page-pager__hint--clear { opacity: 0; }
.page-pager__meter {
  height: 4px; background: rgba(21,62,120,0.08); border-radius: 4px; overflow: hidden;
  margin: 0 auto; width: min(360px, 80%);
}
.page-pager__meter-fill {
  height: 100%; width: 0%; background: #153E78;
  transition: width 0.35s ease;
}
.page-pager__meter[hidden] { display: none; }
.page-dots {
  display: flex; gap: 6px; justify-content: center; flex-wrap: wrap;
}
.page-dot {
  width: 9px; height: 9px; border-radius: 50%; background: rgba(21,62,120,0.18);
  border: 0; padding: 0; cursor: pointer;
  transition: background 180ms, transform 180ms;
}
.page-dot.done { background: #153E78; }
.page-dot.current { transform: scale(1.4); background: #FF2D55; }
.page-dot:hover { background: rgba(21,62,120,0.4); }

/* LESSON HEADER */
.lesson-header {
  margin-bottom: 2rem; padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.lesson-header__crumbs {
  font-family: var(--font-body); font-size: 0.8rem; color: var(--text-muted);
  margin-bottom: 0.5rem; font-style: italic;
}
.lesson-header__crumbs .sep { color: var(--accent-primary); margin: 0 0.4rem; }
.lesson-header h1 {
  font-family: var(--font-display); font-size: 2.4rem; font-weight: 700;
  line-height: 1.15; margin: 0.25rem 0; letter-spacing: -0.01em;
}
.lesson-header__french {
  font-family: var(--font-accent); font-size: 1.6rem; color: var(--accent-primary);
  display: block; margin: 0.5rem 0 0.75rem;
}
.lesson-header__meta {
  display: flex; gap: 1rem; align-items: center; flex-wrap: wrap;
  font-family: var(--font-body); font-size: 0.8rem; color: var(--text-muted);
}
.lesson-header__meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--text-muted); }
.lesson-header__complete-btn {
  margin-left: auto; background: var(--bg-elevated); border: 1px solid var(--border);
  color: var(--text-muted); padding: 5px 14px; border-radius: 16px;
  font-family: var(--font-body); font-size: 0.8rem; cursor: pointer;
  transition: all 150ms ease;
}
.lesson-header__complete-btn:hover { color: var(--success); border-color: var(--success); }
.lesson-header__complete-btn.done {
  background: rgba(74,124,89,0.1); color: var(--success); border-color: var(--success);
}

/* PROSE */
.prose { margin: 1.25rem 0; font-size: 1.02rem; line-height: 1.75; text-wrap: pretty; }
.prose h2 {
  font-family: var(--font-display); font-size: 1.5rem; font-weight: 600;
  line-height: 1.3; margin: 2rem 0 0.75rem; color: var(--text-primary);
  scroll-margin-top: 70px; letter-spacing: -0.01em;
}
.prose h3 {
  font-family: var(--font-display); font-size: 1.15rem; font-weight: 600;
  line-height: 1.4; margin: 1.5rem 0 0.5rem;
}
.prose p { margin: 0 0 1rem 0; }
.prose ul, .prose ol { margin: 0 0 1rem 0; padding-left: 1.5rem; }
.prose li { margin-bottom: 0.4rem; }
.prose a { color: var(--accent-primary); text-decoration: underline; text-decoration-color: rgba(139,26,47,0.4); text-underline-offset: 3px; }
.prose a:hover { text-decoration-color: var(--accent-primary); }
.prose code, .prose strong em {
  background: var(--bg-accent); padding: 1px 6px; border-radius: 3px;
  font-family: var(--font-body); font-size: 0.95em;
  color: var(--accent-primary); font-style: italic; font-weight: 600;
}
.prose strong { color: var(--accent-primary); font-weight: 700; }
.prose em { color: var(--text-primary); font-style: italic; }
.prose strong em { color: var(--accent-primary); font-style: italic; }

/* IPA */
.ipa { font-family: var(--font-ipa); font-style: italic; color: var(--text-muted); font-size: 0.92em; }

/* CALLOUTS */
.callout {
  display: flex; gap: 0.875rem; padding: 1rem 1.25rem;
  border-radius: 0 10px 10px 0; margin: 1.25rem 0;
  border-left-width: 4px; border-left-style: solid;
  box-shadow: var(--shadow-card); background: var(--bg-elevated);
}
.callout__icon { flex-shrink: 0; width: 22px; height: 22px; margin-top: 2px; }
.callout__body { flex: 1; }
.callout__title {
  font-family: var(--font-body); font-size: 0.7rem;
  font-variant: small-caps; letter-spacing: 0.1em;
  margin-bottom: 0.4rem; display: block;
}
.callout__main-title {
  font-family: var(--font-display); font-size: 1rem; font-weight: 600;
  margin: 0 0 0.35rem; color: var(--text-primary);
}
.callout__content { font-size: 0.95rem; color: var(--text-primary); }
.callout__content p:last-child { margin-bottom: 0; }

.callout--info { border-color: var(--accent-primary); }
.callout--info .callout__icon { color: var(--accent-primary); }
.callout--info .callout__title { color: var(--accent-primary); }

.callout--tip { border-color: var(--success); background: rgba(74,124,89,0.08); }
.callout--tip .callout__icon { color: var(--success); }
.callout--tip .callout__title { color: var(--success); }

.callout--warning { border-color: var(--warning); background: rgba(184,115,51,0.08); }
.callout--warning .callout__icon { color: var(--warning); }
.callout--warning .callout__title { color: var(--warning); }

.callout--danger { border-color: var(--danger); background: rgba(155,58,58,0.08); }
.callout--danger .callout__icon { color: var(--danger); }
.callout--danger .callout__title { color: var(--danger); }

.callout--culture {
  border-color: var(--accent-secondary); background: var(--bg-accent);
}
.callout--culture .callout__icon { color: var(--accent-secondary); }
.callout--culture .callout__title { color: var(--accent-secondary); }
.callout--culture .callout__content { font-family: var(--font-display); font-style: italic; }

/* VOCAB CARDS */
.vocab-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.875rem; margin: 1.25rem 0;
}
.vocab-card {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: 10px; padding: 1rem 1.15rem;
  box-shadow: var(--shadow-card);
  display: flex; flex-direction: column; gap: 0.25rem;
  transition: transform 180ms ease, box-shadow 180ms ease;
  position: relative;
}
.vocab-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); }
.vocab-card .french-word {
  font-family: var(--font-display); font-size: 1.4rem; font-weight: 700;
  color: var(--text-primary); line-height: 1.2;
  padding-right: 36px;
}
.vocab-card .ipa { display: block; }
.vocab-card .translation {
  font-family: var(--font-body); font-size: 0.92rem;
  color: var(--text-muted); margin-top: 0.35rem;
}
.vocab-card .note {
  font-family: var(--font-body); font-size: 0.78rem;
  color: var(--accent-secondary); font-style: italic;
  margin-top: 0.4rem; border-top: 1px dashed var(--border); padding-top: 0.4rem;
}
.vocab-card .audio-btn { position: absolute; top: 0.9rem; right: 0.9rem; }
.vocab-card { padding-bottom: 2.6rem; }
.vocab-card .form-toggle__play { position: absolute; top: 0.9rem; right: 0.9rem; }
.vocab-card .form-toggle__seg { position: absolute; bottom: 0.75rem; right: 0.75rem; }
.form-toggle { display: contents; }
.form-toggle__seg {
  display: inline-flex; gap: 1px;
  border: 1px solid var(--border); border-radius: 999px;
  overflow: hidden; background: var(--bg-base);
}
.form-toggle__opt {
  border: 0; background: transparent; color: var(--text-muted);
  padding: 2px 9px; font-family: var(--font-body); font-size: 0.65rem;
  font-variant: small-caps; letter-spacing: 0.08em; font-weight: 600;
  cursor: pointer; line-height: 1.4;
}
.form-toggle__opt.active {
  background: var(--accent-primary); color: #fff;
}
.form-toggle__opt:hover:not(.active) { color: var(--text-primary); }

/* AUDIO BUTTON */
.audio-btn {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--accent-primary); border: none;
  color: #FAF7F2; cursor: pointer; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  transition: transform 150ms, box-shadow 150ms;
  position: relative; padding: 0;
}
.audio-btn svg { width: 12px; height: 12px; }
.audio-btn:hover { transform: scale(1.1); box-shadow: var(--shadow-lift); }
.audio-btn.playing::after {
  content: ''; position: absolute; inset: -4px;
  border-radius: 50%; border: 2px solid var(--accent-primary);
  animation: pulse-ring 900ms ease-out infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* DIALOGUE */
.dialogue {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: 14px; padding: 1.5rem; margin: 1.5rem 0;
  box-shadow: var(--shadow-card);
}
.dialogue__title {
  font-family: var(--font-display); font-size: 1rem; font-weight: 600;
  font-style: italic; color: var(--accent-primary); margin: 0 0 1rem;
  text-align: center;
}
.dialogue__turns { display: flex; flex-direction: column; gap: 0.875rem; }
.dialogue__turn { display: flex; flex-direction: column; max-width: 80%; }
.dialogue__turn--a { align-self: flex-start; }
.dialogue__turn--b { align-self: flex-end; align-items: flex-end; }
.dialogue__speaker {
  font-family: var(--font-body); font-variant: small-caps; font-size: 0.72rem;
  color: var(--text-muted); margin-bottom: 0.2rem; letter-spacing: 0.08em;
  padding: 0 0.5rem;
}
.bubble {
  background: var(--bg-base); border: 1px solid var(--border);
  border-radius: 14px; padding: 0.75rem 1rem;
  box-shadow: var(--shadow-card); position: relative;
}
.dialogue__turn--b .bubble { background: var(--bg-accent); border-color: var(--accent-secondary); }
.bubble .french-line {
  font-family: var(--font-display); font-weight: 600; font-size: 1rem;
  color: var(--text-primary); display: block; line-height: 1.4;
}
.bubble .english-sub {
  font-size: 0.85rem; color: var(--text-muted); display: block;
  margin-top: 0.2rem; line-height: 1.4;
}
.bubble .ipa { display: block; margin-top: 0.15rem; font-size: 0.78rem; }
.bubble .audio-btn { width: 26px; height: 26px; margin-top: 0.4rem; }
.bubble .audio-btn svg { width: 10px; height: 10px; }

/* FLASHCARDS */
.flashcards { margin: 1.5rem 0; }
.flashcards__title {
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 600;
  text-align: center; margin: 0 0 1rem; color: var(--text-primary);
}
.flashcard-scene {
  perspective: 1000px; width: 100%; max-width: 460px; height: 240px;
  margin: 0 auto;
}
.flashcard {
  width: 100%; height: 100%; position: relative;
  transform-style: preserve-3d;
  transition: transform 400ms cubic-bezier(0.4, 0.2, 0.2, 1.0);
  cursor: pointer;
}
.flashcard.flipped { transform: rotateY(180deg); }
.flashcard-face {
  position: absolute; inset: 0; backface-visibility: hidden;
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: 14px; box-shadow: var(--shadow-lift);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 1.5rem; text-align: center;
}
.flashcard-face.back {
  transform: rotateY(180deg);
  background: var(--bg-accent);
}
.flashcard-face .french-word {
  font-family: var(--font-display); font-size: 2.2rem; font-weight: 700;
  color: var(--text-primary); line-height: 1.1;
}
.flashcard-face .ipa { margin-top: 0.5rem; font-size: 1rem; }
.flashcard-face .translation {
  margin-top: 0.75rem; font-size: 1.1rem; color: var(--text-muted);
  font-family: var(--font-body);
}
.flashcard-face .hint {
  position: absolute; bottom: 1rem; right: 1rem;
  font-family: var(--font-body); font-size: 0.7rem;
  color: var(--text-muted); font-variant: small-caps; letter-spacing: 0.08em;
}
.flashcard-controls {
  display: flex; justify-content: center; align-items: center;
  gap: 0.75rem; margin-top: 1rem; flex-wrap: wrap;
}
.flashcard-progress {
  font-family: var(--font-body); font-size: 0.78rem; color: var(--text-muted);
  font-variant: small-caps; letter-spacing: 0.08em; text-align: center; min-width: 60px;
}
.flashcard-nav {
  padding: 0.45rem 1rem; border-radius: 999px;
  border: 1px solid var(--border); background: var(--bg-elevated);
  font-family: var(--font-body); font-size: 0.85rem; cursor: pointer; color: var(--text-primary);
  transition: background 180ms, border-color 180ms, transform 120ms;
}
.flashcard-nav:hover:not(:disabled) { background: var(--bg-accent); border-color: var(--accent-primary); transform: translateY(-1px); }
.flashcard-nav:disabled { opacity: 0.4; cursor: not-allowed; }
.flashcard-nav--flip { background: var(--accent-primary); color: #fff; border-color: var(--accent-primary); }
.flashcard-nav--flip:hover { background: var(--accent-primary); filter: brightness(1.08); }
.srs-btn {
  padding: 0.45rem 1rem; border-radius: 8px;
  border: 1px solid var(--border); background: var(--bg-elevated);
  font-family: var(--font-body); font-size: 0.85rem; cursor: pointer;
  transition: all 150ms ease;
}
.srs-btn.again { color: var(--danger); border-color: var(--danger); }
.srs-btn.good  { color: var(--success); border-color: var(--success); }
.srs-btn.easy  { color: var(--accent-secondary); border-color: var(--accent-secondary); }
.srs-btn:hover { transform: translateY(-1px); background: var(--bg-accent); box-shadow: var(--shadow-card); }
.flashcard-flip-hint {
  text-align: center; font-family: var(--font-body); font-size: 0.78rem;
  color: var(--text-muted); margin-top: 0.5rem; font-style: italic;
}

/* CONJUGATION TABLE */
.conjugation {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden; box-shadow: var(--shadow-card);
  margin: 1.5rem 0;
}
.conjugation__header {
  background: var(--accent-primary); color: var(--bg-elevated);
  padding: 0.65rem 1rem;
  display: flex; align-items: baseline; gap: 0.75rem;
}
.conjugation__verb {
  font-family: var(--font-display); font-size: 1.05rem; font-weight: 700;
  font-style: italic;
}
.conjugation__english {
  font-family: var(--font-body); font-size: 0.82rem;
  opacity: 0.85; font-style: italic;
}
.conjugation__tense {
  margin-left: auto; font-family: var(--font-body);
  font-size: 0.72rem; font-variant: small-caps; letter-spacing: 0.08em;
  background: rgba(255,255,255,0.15); padding: 2px 10px; border-radius: 12px;
}
.conjugation__row {
  display: grid; grid-template-columns: 40% 1fr auto;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border); cursor: pointer;
  transition: background 130ms;
  align-items: center; gap: 0.75rem;
}
.conjugation__row:last-child { border-bottom: none; }
.conjugation__row:hover { background: var(--bg-accent); }
.conjugation__person {
  font-family: var(--font-body); color: var(--accent-primary);
  font-variant: small-caps; font-weight: 600; text-align: right;
}
.conjugation__form {
  font-family: var(--font-display); font-weight: 600; font-size: 1.05rem;
  color: var(--text-primary);
}
.conjugation__form .ipa { margin-left: 0.5rem; }

/* FILL BLANK */
.fillblank--drill .fillblank__items { display: flex; flex-direction: column; gap: 1.25rem; margin-bottom: 1rem; }
.fillblank--drill .fillblank__item { padding-bottom: 0.5rem; border-bottom: 1px dashed var(--border); }
.fillblank--drill .fillblank__item:last-child { border-bottom: 0; padding-bottom: 0; }
.fillblank {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.25rem 1.5rem; margin: 1.5rem 0;
  box-shadow: var(--shadow-card);
}
.fillblank__prompt {
  font-family: var(--font-body); font-size: 0.85rem; font-variant: small-caps;
  letter-spacing: 0.1em; color: var(--accent-primary); margin-bottom: 0.75rem;
}
.fillblank__sentence {
  font-family: var(--font-display); font-size: 1.3rem; line-height: 2;
  color: var(--text-primary); margin-bottom: 0.5rem;
}
.fillblank__input {
  display: inline-block; border: none;
  border-bottom: 2px solid var(--text-primary);
  background: transparent; font-family: var(--font-display); font-weight: 600;
  font-size: 1.3rem; color: var(--text-primary);
  min-width: 130px; padding: 0 0.5rem; outline: none; text-align: center;
  transition: border-color 200ms;
}
.fillblank__input:focus { border-bottom-color: var(--accent-primary); }
.fillblank__input.correct { border-bottom-color: var(--success); color: var(--success); }
.fillblank__input.incorrect { border-bottom-color: var(--danger); color: var(--danger); animation: shake 300ms ease; }
@keyframes shake { 0%,100% { transform: translateX(0); } 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }
.fillblank__hint {
  font-family: var(--font-body); font-size: 0.85rem; color: var(--text-muted);
  font-style: italic; margin-top: 0.5rem;
}
.fillblank__actions { display: flex; gap: 0.5rem; margin-top: 0.875rem; align-items: center; }
.fillblank__feedback {
  margin-top: 0.75rem; padding: 0.75rem 1rem; border-radius: 8px;
  font-size: 0.9rem; font-family: var(--font-body);
  background: var(--bg-accent); border-left: 3px solid var(--accent-secondary);
  display: none;
}
.fillblank__feedback.correct { border-left-color: var(--success); background: rgba(74,124,89,0.1); color: var(--success); }
.fillblank__feedback.incorrect { border-left-color: var(--danger); background: rgba(155,58,58,0.08); color: var(--danger); }

.btn-check {
  background: var(--accent-primary); color: var(--bg-elevated); border: none;
  padding: 6px 16px; border-radius: 8px;
  font-family: var(--font-body); font-size: 0.85rem; font-weight: 600;
  cursor: pointer; transition: all 150ms ease;
}
.btn-check:hover { background: #6e1424; box-shadow: var(--shadow-card); transform: translateY(-1px); }
.btn-show {
  background: none; color: var(--text-muted); border: 1px solid var(--border);
  padding: 6px 14px; border-radius: 8px;
  font-family: var(--font-body); font-size: 0.85rem; cursor: pointer;
  transition: all 150ms ease;
}
.btn-show:hover { color: var(--text-primary); border-color: var(--text-primary); }

/* CHOICE / QUIZ */
.quiz {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.5rem; margin: 1.5rem 0;
  box-shadow: var(--shadow-card);
}
.quiz__header {
  display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem;
}
.quiz__badge {
  font-family: var(--font-body); font-size: 0.7rem; font-variant: small-caps;
  letter-spacing: 0.1em; background: var(--accent-primary); color: var(--bg-elevated);
  padding: 3px 10px; border-radius: 12px; font-weight: 600;
}
.quiz__question {
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 600;
  color: var(--text-primary); margin-bottom: 1rem;
}
.quiz__options { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1rem; }
.quiz__option {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.75rem 1rem; border-radius: 8px;
  border: 1px solid var(--border); background: var(--bg-base);
  cursor: pointer; transition: all 150ms ease;
  font-size: 0.95rem; text-align: left; width: 100%;
  color: var(--text-primary); font-family: var(--font-body);
}
@media (hover: hover) {
  .quiz__option:hover:not(:disabled) { border-color: var(--accent-primary); background: var(--bg-accent); }
}
.quiz__option:disabled { cursor: default; }
.quiz__option:focus { outline: none; }
.quiz__option:focus-visible { outline: 2px solid var(--accent-primary); outline-offset: 2px; }
.quiz__option .marker {
  width: 22px; height: 22px; border-radius: 50%;
  border: 1.5px solid var(--text-muted); display: flex;
  align-items: center; justify-content: center;
  font-family: var(--font-body); font-size: 0.7rem; color: var(--text-muted);
  flex-shrink: 0; font-weight: 600;
}
.quiz__option.correct {
  border-color: var(--success); background: rgba(74,124,89,0.12);
}
.quiz__option.correct .marker { border-color: var(--success); color: var(--success); background: white; }
.quiz__option.incorrect {
  border-color: var(--danger); background: rgba(155,58,58,0.08);
  animation: shake 300ms ease-out;
}
.quiz__option.incorrect .marker { border-color: var(--danger); color: var(--danger); }
.quiz__feedback {
  margin-top: 0.75rem; padding: 0.75rem 1rem; border-radius: 8px;
  font-size: 0.92rem; border-left: 3px solid var(--accent-primary);
  background: var(--bg-accent); font-family: var(--font-body);
}
.quiz__feedback.correct { border-left-color: var(--success); background: rgba(74,124,89,0.08); }
.quiz__feedback.incorrect { border-left-color: var(--danger); background: rgba(155,58,58,0.05); }
.quiz__nav { display: flex; gap: 0.5rem; align-items: center; margin-top: 1rem; flex-wrap: wrap; }
.quiz__nav-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border); }
.quiz__nav-dot.answered { background: var(--success); }
.quiz__nav-dot.current { box-shadow: 0 0 0 3px rgba(139,26,47,0.25); background: var(--accent-primary); }

/* AUDIO LINE */
.audio-line {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-left: 4px solid var(--accent-primary);
  border-radius: 0 10px 10px 0; padding: 1rem 1.25rem; margin: 1.25rem 0;
  display: flex; align-items: center; gap: 1rem;
  box-shadow: var(--shadow-card);
}
.audio-line__body { flex: 1; }
.audio-line__french {
  font-family: var(--font-display); font-size: 1.15rem; font-weight: 600;
  color: var(--text-primary); display: block;
}
.audio-line__english { display: block; font-size: 0.9rem; color: var(--text-muted); margin-top: 0.2rem; }
.audio-line__ipa { display: block; margin-top: 0.2rem; }
.audio-line__note {
  margin-top: 0.5rem; padding-top: 0.5rem; border-top: 1px dashed var(--border);
  font-size: 0.82rem; font-style: italic; color: var(--accent-secondary);
}
.audio-line__btn { width: 44px; height: 44px; }
.audio-line__btn svg { width: 16px; height: 16px; }

/* WELCOME */
.welcome { text-align: center; padding: 2rem 1rem; }
.welcome__eyebrow {
  font-family: var(--font-body); font-size: 0.8rem; font-variant: small-caps;
  color: var(--accent-secondary); letter-spacing: 0.2em; font-weight: 600;
}
.welcome h1 {
  font-family: var(--font-display); font-size: 3rem; font-weight: 700;
  margin: 0.5rem 0 0.25rem; line-height: 1.1; letter-spacing: -0.02em;
}
.welcome__french {
  font-family: var(--font-accent); font-size: 2.2rem; color: var(--accent-primary);
  display: block; margin: 0.25rem 0 1rem;
}
.welcome__sub {
  color: var(--text-muted); font-size: 1.1rem; margin-bottom: 2rem;
  font-family: var(--font-display); font-style: italic;
}
.welcome__cta {
  display: inline-flex; gap: 0.5rem; align-items: center;
  background: var(--accent-primary); color: var(--bg-elevated);
  padding: 0.85rem 1.75rem; border-radius: 30px;
  text-decoration: none; font-weight: 600;
  font-family: var(--font-body); font-size: 0.95rem;
  transition: all 200ms ease; box-shadow: var(--shadow-card);
}
.welcome__cta:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); }
.welcome__stats {
  display: flex; gap: 2.5rem; justify-content: center; margin-top: 2rem; flex-wrap: wrap;
  font-family: var(--font-body); font-size: 0.85rem; color: var(--text-muted);
}
.welcome__stat strong { display: block; font-size: 1.75rem; color: var(--accent-primary); font-family: var(--font-display); font-weight: 700; }

.module-overview {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 12px;
  padding: 1.25rem 1.5rem; margin-bottom: 0.875rem; box-shadow: var(--shadow-card);
}
.module-overview__head { display: flex; align-items: baseline; gap: 0.75rem; margin-bottom: 0.75rem; }
.module-overview__num { font-family: var(--font-display); color: var(--accent-secondary); font-style: italic; font-size: 0.9rem; }
.module-overview__title { margin: 0; font-family: var(--font-display); font-size: 1.15rem; font-weight: 700; }
.module-overview__french { font-family: var(--font-accent); color: var(--accent-primary); font-size: 1.2rem; margin-left: auto; }
.module-overview__lessons { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.25rem; }
.module-overview__lessons a {
  display: flex; gap: 0.75rem; align-items: center;
  padding: 0.45rem 0.25rem; text-decoration: none; color: var(--text-muted);
  border-radius: 4px;
}
.module-overview__lessons a:hover { background: var(--bg-accent); color: var(--text-primary); }
.module-overview__lessons a.done { color: var(--success); }
.module-overview__lessons a.done .num { color: var(--success); }
.module-overview__lessons .num { font-family: var(--font-body); font-size: 0.78rem; width: 30px; color: var(--accent-secondary); font-variant: small-caps; }
.module-overview__lessons .title { flex: 1; }
.module-overview__lessons .time { font-family: var(--font-body); font-size: 0.75rem; color: var(--text-muted); font-style: italic; }

/* RAIL */
.rail {
  grid-area: rail; border-left: 1px solid var(--border);
  background: var(--bg-base); padding: 2.5rem 1.25rem;
  overflow-y: auto; font-size: 0.85rem; position: relative; z-index: 1;
}
.rail__section { margin-bottom: 2rem; }
.rail h4 {
  font-family: var(--font-body); font-size: 0.72rem; font-variant: small-caps;
  letter-spacing: 0.15em; color: var(--accent-primary); margin: 0 0 0.75rem;
  font-weight: 600;
}
.rail__objectives { list-style: none; padding: 0; margin: 0; }
.rail__objectives li {
  padding: 0.4rem 0 0.4rem 1.25rem; position: relative; line-height: 1.4;
  color: var(--text-muted); font-size: 0.85rem;
}
.rail__objectives li::before {
  content: '✓'; position: absolute; left: 0; color: var(--accent-secondary); font-weight: 600;
}
.vocab-chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.vocab-chip {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: 16px; padding: 0.25rem 0.7rem;
  font-family: var(--font-display); font-size: 0.85rem; font-weight: 600;
  color: var(--text-primary); cursor: pointer;
  transition: all 130ms ease;
}
.vocab-chip:hover { background: var(--bg-accent); border-color: var(--accent-primary); }
.a-retenir {
  background: var(--bg-accent); border-left: 3px solid var(--accent-secondary);
  border-radius: 0 8px 8px 0; padding: 0.875rem 1rem;
}
.a-retenir p {
  font-family: var(--font-display); font-style: italic; font-size: 0.92rem;
  color: var(--text-primary); margin: 0; line-height: 1.55;
}
.rail__shortcuts dl {
  display: grid; grid-template-columns: auto 1fr; gap: 0.5rem 0.75rem;
  font-size: 0.8rem; color: var(--text-muted);
}
.rail__shortcuts dt { font-family: var(--font-body); }
.rail__shortcuts dd { margin: 0; }
.rail kbd {
  font-family: var(--font-body); font-size: 0.72rem;
  padding: 1px 6px; border: 1px solid var(--border); border-radius: 4px;
  background: var(--bg-elevated); color: var(--text-muted); margin-right: 2px;
}

/* PROGRESS BARS */
.progress-bar { height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; }
.progress-bar__fill { height: 100%; background: var(--accent-primary); border-radius: 2px; transition: width 600ms cubic-bezier(0.4, 0, 0.2, 1); }
.progress-overall { width: 180px; max-width: 22vw; }
.progress-overall .progress-bar__fill { background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary)); }

/* SEARCH */
.search-modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: flex-start; justify-content: center; padding-top: 12vh; }
.search-modal[hidden] { display: none; }
.search-modal__backdrop { position: absolute; inset: 0; background: rgba(30,35,64,0.4); backdrop-filter: blur(4px); }
.search-modal__panel {
  position: relative; background: var(--bg-elevated);
  border: 1px solid var(--border); border-radius: 12px;
  width: min(560px, 92vw); padding: 1rem; box-shadow: 0 20px 60px rgba(30,35,64,0.3);
}
.search-modal__panel input[type="search"] {
  width: 100%; background: var(--bg-base); border: 1px solid var(--border);
  color: var(--text-primary); font-family: var(--font-body);
  font-size: 1rem; padding: 0.625rem 0.875rem; border-radius: 8px; outline: none;
}
.search-modal__panel input[type="search"]:focus { border-color: var(--accent-primary); }
.search-modal__results { list-style: none; padding: 0; margin: 0.75rem 0 0 0; max-height: 50vh; overflow-y: auto; }
.search-modal__results li {
  padding: 0.625rem 0.75rem; border-radius: 6px; cursor: pointer;
  display: flex; flex-direction: column; gap: 2px;
}
.search-modal__results li:hover, .search-modal__results li.active { background: var(--bg-accent); }
.search-modal__results .res-title { font-family: var(--font-display); font-size: 0.95rem; font-weight: 600; }
.search-modal__results .res-crumbs { font-family: var(--font-body); font-size: 0.75rem; color: var(--text-muted); font-style: italic; }
.search-modal__hint {
  margin-top: 0.75rem; font-size: 0.78rem; color: var(--text-muted);
  font-family: var(--font-body); font-style: italic;
}
.search-modal__hint kbd {
  font-family: var(--font-body); font-size: 0.72rem;
  padding: 1px 6px; border: 1px solid var(--border); border-radius: 4px;
  background: var(--bg-elevated); color: var(--text-muted); margin: 0 2px;
}

/* SKIP LINK */
.skip-link {
  position: absolute; top: -100%; left: 1rem;
  background: var(--accent-primary); color: var(--bg-elevated);
  padding: 0.5rem 1rem; border-radius: 0 0 8px 8px;
  font-weight: 600; z-index: 1000; text-decoration: none;
}
.skip-link:focus { top: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px; border-radius: 4px;
}
:focus:not(:focus-visible) { outline: none; }

/* Content fade-in */
.content__inner > * { animation: contentIn 280ms ease-out; }
@keyframes contentIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .flashcard { transition: none; }
  .audio-btn.playing::after { animation: none; }
}

/* Scrollbar polish */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }