/* ===========================================================
   Pari — Speech & Learning Platform
   Shared styles. Mobile-first, RTL-aware for Urdu.
   =========================================================== */

:root {
  --color-bg: #FFF8EF;
  --color-primary: #FF9A3C;
  --color-primary-dark: #E8792A;
  --color-secondary: #4EC3C7;
  --color-track-a: #6C63FF;
  --color-track-b: #FF6B9D;
  --color-track-c: #4CAF50;
  --color-track-0: #FFC93C;
  --color-ink: #2B2440;
  --color-ink-soft: #6A6280;
  --color-card: #FFFFFF;
  --radius-lg: 28px;
  --radius-md: 18px;
  --shadow-soft: 0 10px 30px rgba(43, 36, 64, 0.10);
  --font-en: 'Baloo 2', system-ui, sans-serif;
  --font-ur: 'Noto Nastaliq Urdu', serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-en);
  -webkit-tap-highlight-color: transparent;
}

html[dir="rtl"] body,
body.lang-ur {
  font-family: var(--font-ur);
  line-height: 2;
}

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

a { color: inherit; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Top bar ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--color-ink);
}

.brand img { width: 40px; height: 40px; border-radius: 50%; }

.lang-toggle {
  display: flex;
  background: var(--color-card);
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  padding: 4px;
  gap: 4px;
}

.lang-toggle button {
  padding: 8px 16px;
  border-radius: 999px;
  background: transparent;
  font-weight: 700;
  color: var(--color-ink-soft);
  font-size: 0.95rem;
}

.lang-toggle button.active {
  background: var(--color-primary);
  color: white;
}

/* ---------- Hero ---------- */

.hero {
  display: flex;
  flex-wrap: wrap-reverse;
  align-items: center;
  gap: 32px;
  padding: 24px 20px 48px;
}

.hero-text { flex: 1 1 320px; }

.hero-text h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.2;
  margin: 0 0 12px;
}

.hero-text p {
  color: var(--color-ink-soft);
  font-size: 1.1rem;
  margin: 0 0 20px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary);
  color: white;
  font-weight: 700;
  font-size: 1.05rem;
  padding: 14px 26px;
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  text-decoration: none;
  transition: transform 0.15s ease;
}

.btn-primary:active { transform: scale(0.97); }

.hero-avatar { flex: 1 1 260px; display: flex; justify-content: center; align-items: center; }

.hero-avatar svg { width: min(300px, 70vw); }

.hero-avatar img {
  width: min(300px, 70vw);
  height: min(300px, 70vw);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: var(--shadow-soft);
  border: 6px solid #fff;
  flex-shrink: 0;
}

/* ---------- Track cards ---------- */

.tracks {
  padding: 20px 20px 60px;
}

.tracks h2 { text-align: center; margin-bottom: 6px; }
.tracks .subtitle { text-align: center; color: var(--color-ink-soft); margin-bottom: 32px; }

.track-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.track-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-soft);
  border-top: 8px solid var(--track-color, var(--color-primary));
  position: relative;
  text-decoration: none;
  color: var(--color-ink);
  display: block;
  transition: transform 0.15s ease;
}

.track-card:active { transform: scale(0.98); }

.track-card.disabled {
  opacity: 0.6;
  pointer-events: none;
}

.track-card .badge {
  position: absolute;
  top: 18px;
  inset-inline-end: 18px;
  background: var(--color-bg);
  color: var(--color-ink-soft);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
}

.track-card h3 { margin: 6px 0 8px; font-size: 1.3rem; }
.track-card p { margin: 0; color: var(--color-ink-soft); }

/* ---------- Footer ---------- */

.site-footer {
  text-align: center;
  padding: 30px 20px 50px;
  color: var(--color-ink-soft);
  font-size: 0.9rem;
}

/* ===========================================================
   Lesson page
   =========================================================== */

.lesson-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
}

.back-link {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-card);
  border-radius: 50%;
  box-shadow: var(--shadow-soft);
  text-decoration: none;
  font-size: 1.2rem;
  color: var(--color-ink);
}

.lesson-header h1 { font-size: 1.3rem; margin: 0; }
.lesson-header .unit-tag { color: var(--color-ink-soft); font-size: 0.9rem; }

.pari-strip {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0 20px 20px;
  padding: 16px 20px;
  background: var(--color-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.pari-strip svg { width: 64px; flex: none; }

.pari-speech {
  font-size: 1.05rem;
  min-height: 1.4em;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 18px;
  padding: 0 20px 40px;
}

.item-card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: 18px 12px 16px;
  text-align: center;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  position: relative;
}

.item-card:hover, .item-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(43,36,64,0.16);
}

.item-card:active { transform: scale(0.97); }

.visual-box {
  display: block;
  width: 84px;
  height: 84px;
  margin: 0 auto 10px;
  border-radius: 18px;
  overflow: hidden;
  background: var(--color-bg);
  position: relative;
}

.visual-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.visual-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.visual-fallback svg { width: 100%; height: 100%; }

.item-card .word {
  font-weight: 700;
  font-size: 1.15rem;
}

.item-card .hint {
  font-size: 0.8rem;
  color: var(--color-ink-soft);
  margin-top: 4px;
}

.item-card.speaking {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* ---------- Teaching modal ---------- */

.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(43, 36, 64, 0.55);
  display: none;
  align-items: flex-end;
  justify-content: center;
  z-index: 50;
}

.modal-backdrop.open { display: flex; }

.modal {
  position: relative;
  background: var(--color-card);
  width: 100%;
  max-width: 480px;
  border-radius: 28px 28px 0 0;
  padding: 40px 24px 32px;
  text-align: center;
  animation: slideUp 0.25s ease;
  max-height: 90vh;
  overflow-y: auto;
}

@media (min-width: 640px) {
  .modal-backdrop { align-items: center; }
  .modal { border-radius: var(--radius-lg); }
}

@keyframes slideUp {
  from { transform: translateY(40px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal .close-x {
  position: absolute;
  top: 14px;
  inset-inline-end: 14px;
  background: var(--color-bg);
  border-radius: 50%;
  width: 36px; height: 36px;
  font-size: 1.1rem;
  line-height: 1;
  z-index: 1;
}

.modal-avatar svg { width: 140px; margin: 0 auto 12px; }

.modal-zara-video {
  width: 180px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 50%;
  margin: 0 auto 12px;
  display: block;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.18);
  background: var(--color-bg);
}

.modal .modal-word {
  font-size: 1.8rem;
  font-weight: 700;
  margin: 6px 0 2px;
}

.modal .modal-breakdown {
  color: var(--color-ink-soft);
  letter-spacing: 2px;
  font-size: 1.2rem;
  margin-bottom: 14px;
}

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 18px;
  flex-wrap: wrap;
}

.btn-round {
  background: var(--color-bg);
  border-radius: 999px;
  padding: 12px 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-round.primary { background: var(--color-primary); color: white; }

.your-turn-tip {
  margin-top: 16px;
  font-size: 0.95rem;
  color: var(--color-ink-soft);
  background: var(--color-bg);
  border-radius: 14px;
  padding: 10px 14px;
}

/* Mouth animation states used by the avatar SVGs */
.mouth-shape { transition: d 0.08s linear; }

/* ---------- Unit navigation footer (added for multi-unit tracks) ---------- */

.unit-nav {
  display: flex;
  justify-content: center;
  padding: 0 20px 50px;
}

.unit-nav a, .unit-nav span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-card);
  box-shadow: var(--shadow-soft);
  border-radius: 999px;
  padding: 12px 22px;
  font-weight: 700;
  text-decoration: none;
  color: var(--color-ink);
}

.unit-nav span.coming-soon {
  color: var(--color-ink-soft);
  font-weight: 600;
}