/* =========================================================
   ANANDA SUTRAM — Spiritual Website
   Color Palette: Deep Cosmic Indigo + Saffron Gold + Lotus Purple
   ========================================================= */

/* --- Variables --- */
:root {
  --bg-primary: #080920;
  --bg-secondary: #0f1035;
  --bg-card: rgba(255, 255, 255, 0.035);
  --bg-card-hover: rgba(255, 255, 255, 0.065);
  --gold: #D4960A;
  --gold-light: #F0C040;
  --gold-dim: rgba(212, 150, 10, 0.4);
  --purple: #7B52AB;
  --purple-light: #9B72CB;
  --saffron: #E8891A;
  --cream: #F5EDD5;
  --cream-muted: #C4A882;
  --border: rgba(212, 150, 10, 0.18);
  --border-strong: rgba(212, 150, 10, 0.4);
  --shadow: rgba(0, 0, 0, 0.6);
  --shadow-gold: rgba(212, 150, 10, 0.15);
  --nav-height: 64px;
  --transition: 0.3s ease;
  --radius: 12px;
  --radius-sm: 8px;
}

/* ---- Light Mode Overrides ---- */
body.light {
  --bg-primary: #FAF7F0;
  --bg-secondary: #F0EAD8;
  --bg-card: rgba(0, 0, 0, 0.04);
  --bg-card-hover: rgba(0, 0, 0, 0.07);
  --gold: #9A6F00;
  --gold-light: #7A5000;
  --gold-dim: rgba(154, 111, 0, 0.35);
  --purple: #5B3D8A;
  --purple-light: #7B5DAA;
  --saffron: #B85C00;
  --cream: #1A1208;
  --cream-muted: #5C4A2A;
  --border: rgba(154, 111, 0, 0.22);
  --border-strong: rgba(154, 111, 0, 0.45);
  --shadow: rgba(0, 0, 0, 0.15);
  --shadow-gold: rgba(154, 111, 0, 0.12);
}
body.light #main-nav {
  background: rgba(240, 234, 216, 0.96);
}
body.light .sutra-translation-block {
  background: linear-gradient(135deg, rgba(154,111,0,0.07), rgba(91,61,138,0.05));
}
body.light mark {
  background: rgba(154,111,0,0.2);
  color: #1A1208;
}
body.light .flip-card {
  background: linear-gradient(145deg, #F0EAD8, rgba(91,61,138,0.06));
}
body.light .chapter-header {
  background: linear-gradient(135deg, rgba(91,61,138,0.07) 0%, rgba(154,111,0,0.05) 100%);
}
body.light #hero {
  background: linear-gradient(180deg, #F0EAD8 0%, #FAF7F0 100%);
}
body.light .hero-title { text-shadow: 0 0 30px rgba(154,111,0,0.2); }

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg-primary);
  color: var(--cream);
  font-family: 'Lato', 'Segoe UI', sans-serif;
  line-height: 1.75;
  min-height: 100vh;
  overflow-x: hidden;
  background-image:
    radial-gradient(ellipse at 20% 10%, rgba(123,82,171,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 90%, rgba(212,150,10,0.06) 0%, transparent 50%);
}

/* Devanagari font */
.sa-text, .devanagari { font-family: 'Noto Serif Devanagari', 'Mangal', serif; }

a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--gold-light); }

h1, h2, h3, h4 {
  font-family: 'Cinzel', 'Palatino Linotype', serif;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--gold-dim); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

/* =========================================================
   PRELOADER
   ========================================================= */
#preloader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg-primary);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 20px;
  transition: opacity 0.6s ease;
}
#preloader.fade-out { opacity: 0; pointer-events: none; }
.preloader-mandala { width: 80px; height: 80px; animation: spin 4s linear infinite; }
.preloader-text { font-family: 'Cinzel', serif; color: var(--gold); letter-spacing: 0.2em; font-size: 0.85rem; }
@keyframes spin { to { transform: rotate(360deg); } }

/* =========================================================
   NAVIGATION
   ========================================================= */
#main-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-height);
  background: rgba(8, 9, 32, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 24px;
  gap: 12px;
}

.nav-logo {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.nav-logo img { width: 36px; height: 36px; }
.nav-logo-text {
  font-family: 'Cinzel', serif;
  font-size: 1rem;
  color: var(--gold);
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.nav-chapters {
  display: flex; align-items: center; gap: 4px;
  flex: 1; justify-content: center;
  flex-wrap: wrap;
}

.nav-chapter-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--cream-muted);
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  font-family: 'Cinzel', serif;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-chapter-btn:hover {
  color: var(--gold);
  border-color: var(--border);
  background: var(--bg-card);
}
.nav-chapter-btn.active {
  color: var(--gold);
  border-color: var(--gold-dim);
  background: rgba(212, 150, 10, 0.08);
}

.nav-controls {
  display: flex; align-items: center; gap: 10px; flex-shrink: 0;
}

/* Toggle buttons */
.toggle-btn {
  display: flex; align-items: center; gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 12px;
  cursor: pointer;
  transition: all var(--transition);
  font-size: 0.75rem;
  color: var(--cream-muted);
  white-space: nowrap;
}
.toggle-btn:hover { border-color: var(--gold-dim); color: var(--gold); }
.toggle-btn.active { border-color: var(--gold); color: var(--gold); background: rgba(212,150,10,0.1); }
.toggle-btn span.icon { font-size: 1rem; }

.theme-toggle-btn {
  display: flex; align-items: center; gap: 5px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 13px;
  cursor: pointer;
  font-size: 0.75rem;
  color: var(--cream-muted);
  white-space: nowrap;
  transition: all var(--transition);
}
.theme-toggle-btn:hover { border-color: var(--gold-dim); color: var(--gold); }
body.light .theme-toggle-btn { border-color: var(--border-strong); color: var(--gold); }

/* =========================================================
   HERO
   ========================================================= */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  padding: calc(var(--nav-height) + 40px) 24px 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(123,82,171,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 30% 60%, rgba(212,150,10,0.06) 0%, transparent 60%);
}

.hero-mandala {
  position: absolute;
  width: min(600px, 90vw);
  height: min(600px, 90vw);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.18;
  animation: mandala-pulse 8s ease-in-out infinite alternate;
}
@keyframes mandala-pulse {
  from { opacity: 0.12; transform: translate(-50%, -50%) scale(0.97); }
  to   { opacity: 0.22; transform: translate(-50%, -50%) scale(1.03); }
}

.hero-content { position: relative; z-index: 2; max-width: 760px; }

.hero-om {
  width: 90px; height: 90px;
  margin: 0 auto 24px;
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-title {
  font-family: 'Cinzel', serif;
  font-size: clamp(2.4rem, 6vw, 4rem);
  color: var(--gold-light);
  letter-spacing: 0.08em;
  text-shadow: 0 0 40px rgba(212, 150, 10, 0.4);
  margin-bottom: 12px;
}

.hero-devanagari {
  font-family: 'Noto Serif Devanagari', serif;
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  color: var(--saffron);
  opacity: 0.85;
  margin-bottom: 20px;
}

.hero-tagline {
  font-size: clamp(0.9rem, 2.5vw, 1.1rem);
  color: var(--cream-muted);
  max-width: 560px; margin: 0 auto 32px;
  line-height: 1.8;
}

.hero-attribution {
  font-family: 'Cinzel', serif;
  font-size: 0.82rem;
  color: var(--cream-muted);
  letter-spacing: 0.12em;
  opacity: 0.7;
  margin-bottom: 40px;
}

.hero-stats {
  display: flex; justify-content: center; gap: 40px;
  flex-wrap: wrap; margin-bottom: 40px;
}
.hero-stat {
  text-align: center;
}
.hero-stat-number {
  font-family: 'Cinzel', serif;
  font-size: 2rem;
  color: var(--gold);
  line-height: 1;
}
.hero-stat-label {
  font-size: 0.75rem;
  color: var(--cream-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 4px;
}

.hero-scroll-cue {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--cream-muted); font-size: 0.75rem; letter-spacing: 0.15em;
  text-transform: uppercase; opacity: 0.6;
  animation: bounce 2s ease-in-out infinite;
}
.hero-scroll-cue svg { width: 20px; opacity: 0.6; }
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* View toggle bar (below hero) */
.view-controls-bar {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  padding: 14px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: var(--nav-height);
  z-index: 90;
}
.view-label { font-size: 0.78rem; color: var(--cream-muted); letter-spacing: 0.08em; }
.view-mode-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 18px; border-radius: 20px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--cream-muted);
  cursor: pointer; font-size: 0.8rem;
  transition: all var(--transition);
}
.view-mode-btn.active {
  background: rgba(212,150,10,0.12);
  border-color: var(--gold);
  color: var(--gold);
}
.view-mode-btn:hover:not(.active) { border-color: var(--gold-dim); color: var(--cream); }


.lang-btn {
  padding: 5px 14px; border-radius: 16px;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer; font-size: 0.78rem;
  transition: all var(--transition);
  color: var(--cream-muted);
}
.lang-btn.active {
  background: rgba(123,82,171,0.2);
  border-color: var(--purple);
  color: var(--purple-light);
}
.lang-btn:hover:not(.active) { border-color: var(--purple); color: var(--cream); }

/* =========================================================
   LOTUS DIVIDER
   ========================================================= */
.lotus-divider {
  width: 100%; max-width: 700px;
  margin: 40px auto;
  display: block;
  opacity: 0.75;
}

/* =========================================================
   CHAPTERS — SCROLL VIEW
   ========================================================= */
#chapters-container { max-width: 1000px; margin: 0 auto; padding: 0 20px 80px; }

.chapter-section {
  margin-bottom: 80px;
  scroll-margin-top: calc(var(--nav-height) + 20px);
}

.chapter-header {
  display: flex; align-items: flex-start; gap: 20px;
  padding: 32px 28px;
  background: linear-gradient(135deg, rgba(123,82,171,0.08) 0%, rgba(212,150,10,0.04) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}
.chapter-header::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(to bottom, var(--gold), var(--purple));
}

.chapter-number-badge {
  font-family: 'Cinzel', serif;
  font-size: 2.8rem;
  color: var(--gold);
  opacity: 0.3;
  line-height: 1;
  flex-shrink: 0;
  min-width: 60px;
}

.chapter-info { flex: 1; }
.chapter-title {
  font-family: 'Cinzel', serif;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  color: var(--gold-light);
  margin-bottom: 4px;
}
.chapter-devanagari {
  font-family: 'Noto Serif Devanagari', serif;
  font-size: 1.1rem;
  color: var(--saffron);
  opacity: 0.7;
  margin-bottom: 8px;
}
.chapter-theme {
  font-size: 0.85rem; color: var(--cream-muted);
  font-style: italic; line-height: 1.5;
}
.chapter-sutra-count {
  font-size: 0.72rem;
  color: var(--cream-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 3px 10px;
  flex-shrink: 0;
  align-self: flex-start;
  margin-top: 4px;
}

/* =========================================================
   SUTRA ACCORDION CARDS
   ========================================================= */
.sutra-list { display: flex; flex-direction: column; gap: 10px; }

.sutra-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  position: relative;
}
.sutra-card:hover {
  border-color: var(--gold-dim);
  background: var(--bg-card-hover);
  box-shadow: 0 4px 20px var(--shadow-gold);
}

.sutra-card-trigger {
  display: flex; align-items: center; gap: 16px;
  padding: 18px 22px;
  cursor: pointer;
  user-select: none;
  width: 100%;
  background: none; border: none; text-align: left; color: inherit;
}

.sutra-number {
  font-family: 'Cinzel', serif;
  font-size: 0.75rem;
  color: var(--gold);
  background: rgba(212,150,10,0.1);
  border: 1px solid var(--gold-dim);
  border-radius: 6px;
  padding: 3px 9px;
  flex-shrink: 0;
  letter-spacing: 0.06em;
}

.sutra-preview { flex: 1; }
.sutra-preview-devanagari {
  font-family: 'Noto Serif Devanagari', serif;
  font-size: 1rem;
  color: var(--saffron);
  line-height: 1.4;
  margin-bottom: 2px;
}
.sutra-preview-transliteration {
  font-size: 0.78rem;
  color: var(--cream-muted);
  font-style: italic;
}

.sutra-expand-icon {
  width: 24px; height: 24px; flex-shrink: 0;
  color: var(--gold-dim);
  transition: transform var(--transition);
}
.sutra-card.open .sutra-expand-icon { transform: rotate(180deg); }

/* Sutra body */
.sutra-body {
  max-height: 0; overflow: hidden;
  transition: max-height 0.5s ease;
  border-top: 1px solid transparent;
}
.sutra-card.open .sutra-body {
  max-height: 4000px;
  border-top-color: var(--border);
}

.sutra-body-inner { padding: 24px 26px 28px; }

/* Translation block */
.sutra-translation-block {
  background: linear-gradient(135deg, rgba(212,150,10,0.06), rgba(123,82,171,0.04));
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 20px;
  position: relative;
}
.sutra-translation-block::before {
  content: '"';
  position: absolute; top: -2px; left: 12px;
  font-size: 3rem; color: var(--gold-dim);
  font-family: Georgia, serif; line-height: 1;
}
.translation-label {
  font-size: 0.7rem; color: var(--gold);
  text-transform: uppercase; letter-spacing: 0.14em;
  margin-bottom: 8px; padding-left: 20px;
}
.sutra-translation-text {
  font-size: 1rem;
  color: var(--cream);
  font-style: italic;
  line-height: 1.7;
  padding-left: 20px;
}

/* Full Devanagari sutra */
.sutra-devanagari-full {
  font-family: 'Noto Serif Devanagari', serif;
  font-size: 1.5rem;
  color: var(--saffron);
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.6;
  text-shadow: 0 0 20px rgba(232,137,26,0.2);
}
.sutra-transliteration-full {
  text-align: center;
  font-size: 0.85rem;
  color: var(--cream-muted);
  font-style: italic;
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}

/* Word by word */
.word-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
  margin-bottom: 24px;
}
.word-item {
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}
.word-item-word {
  font-family: 'Noto Serif Devanagari', serif;
  font-size: 0.95rem;
  color: var(--gold);
  margin-bottom: 4px;
}
.word-item-meaning {
  font-size: 0.78rem;
  color: var(--cream-muted);
  line-height: 1.5;
}

/* Section label */
.section-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--purple-light);
  margin-bottom: 10px;
  display: flex; align-items: center; gap: 8px;
}
.section-label::after {
  content: '';
  flex: 1; height: 1px;
  background: linear-gradient(to right, var(--purple-light), transparent);
  opacity: 0.3;
}

/* Purport */
.sutra-purport {
  font-size: 0.88rem;
  color: var(--cream-muted);
  line-height: 1.85;
  margin-bottom: 24px;
}

/* Explanation bullets */
.sutra-explanation { margin-bottom: 0; }
.explanation-list {
  list-style: none;
  display: flex; flex-direction: column; gap: 8px;
}
.explanation-list li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 0.85rem;
  color: var(--cream);
  line-height: 1.7;
}
.explanation-list li::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0; margin-top: 7px;
}

/* Language display control */
body.lang-sa .en-only { display: none !important; }
body.lang-sa .sa-only { display: block !important; }
body.lang-en .sa-only { display: none !important; }
body.lang-en .en-only { display: block !important; }
.sa-only { display: none; }
.en-only { display: block; }

/* Expand control button */
.expand-ctrl-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 18px; border-radius: 20px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--cream-muted);
  cursor: pointer; font-size: 0.8rem;
  transition: all var(--transition);
}
.expand-ctrl-btn.active {
  background: rgba(212,150,10,0.12);
  border-color: var(--gold);
  color: var(--gold);
}
.expand-ctrl-btn:hover:not(.active) { border-color: var(--gold-dim); color: var(--cream); }

/* =========================================================
   CARD FLIP VIEW
   ========================================================= */
#card-flip-view {
  display: none;
  padding: 0 20px 80px;
  max-width: 900px;
  margin: 0 auto;
}
#card-flip-view.active { display: block; }
#scroll-view.hidden { display: none; }

.flip-chapter-selector {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 30px;
  justify-content: center;
}
.flip-chapter-btn {
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--cream-muted); padding: 7px 16px; border-radius: 20px;
  cursor: pointer; font-size: 0.78rem; font-family: 'Cinzel', serif;
  transition: all var(--transition);
}
.flip-chapter-btn.active, .flip-chapter-btn:hover {
  border-color: var(--gold); color: var(--gold);
  background: rgba(212,150,10,0.08);
}

/* Sutra display card — full content, no internal scroll */
.flip-scene {
  margin-bottom: 0;
}
.flip-card {
  width: 100%;
  background: linear-gradient(145deg, var(--bg-secondary), rgba(123,82,171,0.08));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 36px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.flip-card.transitioning { opacity: 0; transform: translateY(6px); }
.flip-card-header {
  display: flex; align-items: center; gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.flip-card-devanagari {
  font-family: 'Noto Serif Devanagari', serif;
  font-size: clamp(1.3rem, 3.5vw, 1.9rem);
  color: var(--saffron);
  line-height: 1.5;
  text-align: center;
  text-shadow: 0 0 20px rgba(232,137,26,0.15);
}
.flip-card-transliteration {
  text-align: center;
  font-size: 0.85rem;
  color: var(--cream-muted);
  font-style: italic;
  letter-spacing: 0.03em;
}
.flip-card-translation-box {
  background: linear-gradient(135deg, rgba(212,150,10,0.06), rgba(123,82,171,0.04));
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  position: relative;
}
.flip-card-translation-box::before {
  content: '"';
  position: absolute; top: -4px; left: 10px;
  font-size: 2.8rem; color: var(--gold-dim);
  font-family: Georgia, serif; line-height: 1;
}
.flip-card-translation-label {
  font-size: 0.68rem; color: var(--gold);
  text-transform: uppercase; letter-spacing: 0.14em;
  margin-bottom: 6px; padding-left: 18px;
}
.flip-card-translation-text {
  font-size: 0.97rem; color: var(--cream);
  font-style: italic; line-height: 1.7;
  padding-left: 18px;
}
.flip-card-section-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--purple-light);
  margin-bottom: 8px;
  display: flex; align-items: center; gap: 8px;
}
.flip-card-section-label::after {
  content: '';
  flex: 1; height: 1px;
  background: linear-gradient(to right, var(--purple-light), transparent);
  opacity: 0.3;
}
.flip-card-words {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 8px;
}
.flip-card-purport {
  font-size: 0.85rem;
  color: var(--cream-muted);
  line-height: 1.85;
}
.flip-card-explanation { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.flip-card-explanation li {
  display: flex; align-items: flex-start; gap: 9px;
  font-size: 0.83rem; color: var(--cream); line-height: 1.65;
}
.flip-card-explanation li::before {
  content: '';
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--gold); flex-shrink: 0; margin-top: 7px;
}
@media (max-width: 768px) {
  .flip-card { padding: 20px; gap: 16px; }
  .flip-card-words { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
}

/* Card navigation bar */
.flip-navigation {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 14px 0;
  border-top: 1px solid var(--border);
  margin-top: 4px;
}
.flip-nav-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: 24px;
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--cream-muted);
  cursor: pointer; font-size: 0.85rem; font-family: 'Cinzel', serif;
  letter-spacing: 0.04em;
  transition: all var(--transition);
  white-space: nowrap;
}
.flip-nav-btn:hover:not(:disabled) {
  border-color: var(--gold); color: var(--gold);
  background: rgba(212,150,10,0.08);
}
.flip-nav-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.flip-progress {
  font-size: 0.82rem; color: var(--cream-muted);
  font-family: 'Cinzel', serif; letter-spacing: 0.08em;
  text-align: center; flex: 1;
}
/* Top navigation bar (above card) */
.flip-nav-top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 0 0 14px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}
@media (max-width: 600px) {
  .flip-nav-btn { padding: 9px 14px; font-size: 0.78rem; }
}
/* =========================================================
   FOOTER
   ========================================================= */
#main-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  text-align: center;
}

.footer-om { width: 60px; height: 60px; margin: 0 auto 20px; opacity: 0.6; }

.footer-title {
  font-family: 'Cinzel', serif;
  font-size: 1.1rem; color: var(--gold); margin-bottom: 6px;
}
.footer-subtitle {
  font-family: 'Noto Serif Devanagari', serif;
  font-size: 0.95rem; color: var(--saffron); opacity: 0.7;
  margin-bottom: 12px;
}
.footer-credit {
  font-size: 0.8rem; color: var(--cream-muted);
  line-height: 1.8; margin-bottom: 32px;
}
.footer-credit strong { color: var(--cream); }

/* Counters */
.counter-section {
  display: flex; align-items: center; justify-content: center;
  gap: 32px; flex-wrap: wrap;
  padding: 20px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 0 auto 20px;
  max-width: 500px;
}
.counter-block { text-align: center; }
.counter-value {
  font-family: 'Cinzel', serif;
  font-size: 2rem; color: var(--gold);
  line-height: 1;
  transition: all 0.4s ease;
}
.counter-label {
  font-size: 0.68rem; color: var(--cream-muted);
  text-transform: uppercase; letter-spacing: 0.14em;
  margin-top: 4px;
}
.counter-divider {
  width: 1px; height: 44px;
  background: var(--border);
}

.footer-bottom {
  font-size: 0.72rem; color: var(--cream-muted);
  opacity: 0.5; letter-spacing: 0.08em;
  margin-top: 20px;
}

/* =========================================================
   PROGRESS BAR
   ========================================================= */
#reading-progress {
  position: fixed; top: var(--nav-height); left: 0;
  height: 2px; width: 0%;
  background: linear-gradient(to right, var(--gold), var(--purple));
  z-index: 99;
  transition: width 0.1s linear;
}

/* =========================================================
   BACK TO TOP
   ========================================================= */
#back-to-top {
  position: fixed; bottom: 28px; right: 28px;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(212,150,10,0.15);
  border: 1px solid var(--gold-dim);
  color: var(--gold); font-size: 1.2rem;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  opacity: 0; pointer-events: none;
}
#back-to-top.visible { opacity: 1; pointer-events: all; }
#back-to-top:hover { background: rgba(212,150,10,0.3); }

/* =========================================================
   SEARCH BAR
   ========================================================= */
.search-wrapper {
  position: relative;
}
/* When inside the controls bar, stretch to fill remaining space */
.search-wrapper.bar-search {
  flex: 1; min-width: 140px; max-width: 340px; margin-left: auto;
}
.search-input {
  width: 100%; padding: 7px 34px 7px 34px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 20px; color: var(--cream);
  font-size: 0.82rem; outline: none;
  transition: border-color var(--transition);
}
.search-input::placeholder { color: var(--cream-muted); }
.search-input:focus { border-color: var(--gold-dim); }
.search-icon {
  position: absolute; left: 14px; top: 50%;
  transform: translateY(-50%); color: var(--cream-muted);
  pointer-events: none; font-size: 0.95rem;
}
.search-clear {
  position: absolute; right: 14px; top: 50%;
  transform: translateY(-50%); color: var(--cream-muted);
  cursor: pointer; font-size: 0.8rem; display: none;
}
.search-clear.visible { display: block; }

/* Highlight search match */
.sutra-card.search-match { border-color: var(--gold-dim); }
.sutra-card.search-hidden { display: none; }

mark { background: rgba(212,150,10,0.25); color: var(--cream); border-radius: 2px; padding: 0 1px; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 768px) {
  #main-nav { padding: 0 14px; gap: 8px; }
  .nav-chapters { gap: 2px; }
  .nav-chapter-btn { padding: 5px 9px; font-size: 0.7rem; }
  .nav-logo-text { display: none; }
  .nav-controls { gap: 6px; }
  .toggle-btn { padding: 4px 8px; font-size: 0.7rem; }

  .hero-stats { gap: 24px; }
  .chapter-header { padding: 20px 16px; gap: 12px; }
  .chapter-number-badge { font-size: 2rem; min-width: 44px; }
  .sutra-card-trigger { padding: 14px 16px; gap: 10px; }
  .sutra-body-inner { padding: 16px 16px 20px; }
  .word-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .counter-section { gap: 20px; }

  .view-controls-bar { flex-wrap: wrap; gap: 8px; }
}

@media (max-width: 480px) {
  .nav-chapter-btn { font-size: 0.65rem; padding: 4px 7px; }
  .hero-title { font-size: 2rem; }
  .hero-devanagari { font-size: 1.2rem; }
  .chapter-header { flex-direction: column; gap: 8px; }
}

/* =========================================================
   UTILITY / ANIMATION
   ========================================================= */
.fade-in {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

.gold-text { color: var(--gold); }
.purple-text { color: var(--purple-light); }
.saffron-text { color: var(--saffron); }
.cream-text { color: var(--cream); }
.muted-text { color: var(--cream-muted); }