/* ============================================================
   Shreedhaam — Stylesheet
   Layout: persistent sidebar (desktop) / slide-in drawer (mobile)
   Theming: CSS variables, dark + light
   ============================================================ */

:root {
  --transition: 0.35s ease;
  --sidebar-w: 280px;
  --topbar-h: 60px;
  --radius: 16px;
  --radius-sm: 10px;
  --max-content: 760px;
  --font-display: 'Cinzel Decorative', serif;
  --font-deva: 'Tiro Devanagari Sanskrit', serif;
  --font-body: 'Lora', Georgia, serif;
}

[data-theme="dark"] {
  --bg: #0d0a06;
  --bg2: #1a1209;
  --bg3: #221808;
  --card: #1e1408;
  --card-border: #6b3e0a;
  --text: #f5e6c8;
  --text-muted: #a8855a;
  --accent: #f7a325;
  --accent2: #e05c1a;
  --accent3: #ffd166;
  --gold: #d4a017;
  --divider: #3d2208;
  --surface: rgba(13, 10, 6, 0.92);
  --surface-solid: #120d07;
  --shadow: 0 8px 40px rgba(247, 163, 37, 0.12);
  --scrim: rgba(0, 0, 0, 0.6);
  --flame1: #ff6a00;
  --flame2: #ffcc00;
  --flame3: #fff5c0;
}

[data-theme="light"] {
  --bg: #fdf6e3;
  --bg2: #f5e8c8;
  --bg3: #eddfc0;
  --card: #fff9ee;
  --card-border: #c8860a;
  --text: #3a1f00;
  --text-muted: #7a4e1a;
  --accent: #c0620a;
  --accent2: #8b1a00;
  --accent3: #a05c00;
  --gold: #a07800;
  --divider: #d4b07a;
  --surface: rgba(253, 246, 227, 0.95);
  --surface-solid: #fff9ee;
  --shadow: 0 8px 40px rgba(160, 90, 0, 0.12);
  --scrim: rgba(60, 40, 10, 0.35);
  --flame1: #d94f00;
  --flame2: #d49000;
  --flame3: #fff0a0;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
  line-height: 1.6;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(247, 163, 37, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 90% 90%, rgba(224, 92, 26, 0.06) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ---------- App shell grid ---------- */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--topbar-h) 1fr;
  grid-template-areas:
    "sidebar topbar"
    "sidebar content";
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* ---------- Topbar ---------- */
.topbar {
  grid-area: topbar;
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 1rem;
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
}

.menu-toggle {
  display: none;
  background: none;
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-sm);
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--accent);
  font-size: 1.3rem;
  flex-shrink: 0;
  transition: background 0.2s ease;
}
.menu-toggle:hover { background: var(--bg3); }

/* ---------- Search ---------- */
.search-wrap {
  position: relative;
  flex: 1;
  max-width: 460px;
}
.search-input {
  width: 100%;
  height: 42px;
  padding: 0 2.6rem 0 2.6rem;
  background: var(--bg2);
  border: 1.5px solid var(--card-border);
  border-radius: 100px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.search-input::placeholder { color: var(--text-muted); opacity: 0.8; }
.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(247, 163, 37, 0.15);
}
.search-icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  font-size: 1rem;
}
.search-clear {
  position: absolute;
  right: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.1rem;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
}
.search-clear:hover { background: var(--bg3); color: var(--text); }
.search-clear.visible { display: flex; }

/* ---------- Topbar actions ---------- */
.topbar-actions { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }

.icon-btn {
  background: none;
  border: 1.5px solid var(--card-border);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.15rem;
  color: var(--accent);
  transition: background 0.2s ease, transform 0.2s ease;
}
.icon-btn:hover { background: var(--bg3); transform: scale(1.05); }
.icon-btn.ringing { animation: bellRing 0.6s ease; }
@keyframes bellRing {
  0% { transform: rotate(0); } 15% { transform: rotate(18deg); }
  30% { transform: rotate(-16deg); } 45% { transform: rotate(12deg); }
  60% { transform: rotate(-10deg); } 75% { transform: rotate(6deg); }
  100% { transform: rotate(0); }
}

.theme-toggle {
  background: none;
  border: 1.5px solid var(--card-border);
  border-radius: 100px;
  width: 60px;
  height: 32px;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  padding: 0;
}
.theme-toggle::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  transition: transform 0.3s ease;
}
[data-theme="light"] .theme-toggle::after { transform: translateX(28px); }

/* ---------- Sidebar ---------- */
.sidebar {
  grid-area: sidebar;
  position: sticky;
  top: 0;
  height: 100vh;
  background: var(--surface-solid);
  border-right: 1px solid var(--card-border);
  display: flex;
  flex-direction: column;
  z-index: 50;
  transition: transform var(--transition);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--divider);
  flex-shrink: 0;
}
.brand-logo { font-size: 1.6rem; line-height: 1; }
.brand-text { display: flex; flex-direction: column; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--accent3);
  letter-spacing: 0.04em;
}
.brand-tag {
  font-family: var(--font-deva);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem 0.75rem 2rem;
  scrollbar-width: thin;
  scrollbar-color: var(--card-border) transparent;
}
.sidebar-nav::-webkit-scrollbar { width: 6px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: var(--card-border); border-radius: 6px; }

.nav-section { margin-bottom: 0.4rem; }

.nav-section-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 0.85rem;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-deva);
  font-size: 1rem;
  cursor: pointer;
  text-align: left;
  transition: background 0.2s ease;
}
.nav-section-btn:hover { background: var(--bg3); }
.nav-section-btn.active { background: var(--bg3); color: var(--accent3); }
.nav-section-icon { font-size: 1.15rem; flex-shrink: 0; }
.nav-section-label { flex: 1; }
.nav-section-count {
  font-family: var(--font-body);
  font-size: 0.7rem;
  color: var(--text-muted);
  background: var(--bg2);
  padding: 0.1rem 0.5rem;
  border-radius: 100px;
}
.nav-section-chevron {
  font-size: 0.7rem;
  color: var(--text-muted);
  transition: transform 0.25s ease;
}
.nav-section-btn.expanded .nav-section-chevron { transform: rotate(90deg); }

.nav-items {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease;
}
.nav-items.open { max-height: 2000px; }

.nav-item {
  width: 100%;
  display: block;
  padding: 0.5rem 0.85rem 0.5rem 2.6rem;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-family: var(--font-deva);
  font-size: 0.9rem;
  cursor: pointer;
  text-align: left;
  transition: background 0.2s ease, color 0.2s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nav-item:hover { background: var(--bg3); color: var(--text); }
.nav-item.active { color: var(--accent); background: var(--bg3); font-weight: 600; }

/* ---------- Scrim (mobile drawer backdrop) ---------- */
.scrim {
  position: fixed;
  inset: 0;
  background: var(--scrim);
  backdrop-filter: blur(2px);
  z-index: 45;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}
.scrim.visible { opacity: 1; visibility: visible; }

/* ---------- Content ---------- */
.content {
  grid-area: content;
  padding: 1.5rem 1.5rem 5rem;
  min-width: 0;
}

/* Hero (shown on default view) */
.hero {
  text-align: center;
  padding: 1.5rem 0 1rem;
}
.diya-wrap {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  user-select: none;
  margin-bottom: 1rem;
}
.flame-container { position: relative; width: 56px; height: 70px; margin-bottom: -6px; }
.flame {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 52px;
  border-radius: 50% 50% 30% 30% / 60% 60% 40% 40%;
  background: linear-gradient(to top, var(--flame1), var(--flame2), var(--flame3));
  animation: flicker 1.4s ease-in-out infinite alternate;
  filter: blur(0.5px);
  box-shadow: 0 0 18px 6px var(--flame2), 0 0 40px 14px rgba(255, 150, 0, 0.3);
}
.flame::before {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 13px;
  height: 30px;
  border-radius: 50% 50% 30% 30% / 60% 60% 40% 40%;
  background: linear-gradient(to top, rgba(255, 255, 200, 0.9), rgba(255, 255, 255, 0.6));
  animation: flicker2 1.1s ease-in-out infinite alternate-reverse;
}
.flame-glow {
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 18px;
  background: radial-gradient(ellipse, rgba(255, 160, 0, 0.35), transparent 70%);
  animation: glowPulse 1.6s ease-in-out infinite alternate;
}
@keyframes flicker {
  0% { transform: translateX(-50%) scaleX(1) scaleY(1) rotate(-1deg); }
  25% { transform: translateX(-50%) scaleX(0.92) scaleY(1.04) rotate(1.5deg); }
  50% { transform: translateX(-50%) scaleX(1.04) scaleY(0.96) rotate(-0.5deg); }
  75% { transform: translateX(-50%) scaleX(0.96) scaleY(1.06) rotate(2deg); }
  100% { transform: translateX(-50%) scaleX(1) scaleY(1) rotate(-1.5deg); }
}
@keyframes flicker2 {
  0% { opacity: 0.8; transform: translateX(-50%) scaleY(1); }
  100% { opacity: 1; transform: translateX(-50%) scaleY(1.1); }
}
@keyframes glowPulse {
  0% { opacity: 0.5; width: 42px; }
  100% { opacity: 1; width: 56px; }
}
.diya-base { font-size: 2.8rem; line-height: 1; filter: drop-shadow(0 3px 12px rgba(247, 163, 37, 0.4)); }

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--accent3);
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
  text-shadow: 0 2px 20px rgba(247, 163, 37, 0.3);
}
.hero h1 span { color: var(--accent2); }
.hero-sub { font-family: var(--font-deva); font-size: 1rem; color: var(--text-muted); }

/* ---------- Section heading ---------- */
.section-heading {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  max-width: var(--max-content);
  margin: 1.5rem auto 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--divider);
}
.section-heading-icon { font-size: 1.6rem; }
.section-heading-text h2 {
  font-family: var(--font-deva);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--accent3);
}
.section-heading-text p {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

/* ---------- Pills row ---------- */
.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  max-width: var(--max-content);
  margin: 0 auto 1.5rem;
}
.pill {
  background: var(--card);
  border: 1.5px solid var(--card-border);
  border-radius: 100px;
  padding: 0.4rem 1rem;
  font-family: var(--font-deva);
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  white-space: nowrap;
}
.pill:hover, .pill.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(247, 163, 37, 0.3);
}

/* ---------- Card ---------- */
.card {
  max-width: var(--max-content);
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  animation: fadeUp 0.4s ease;
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

.card-header {
  background: linear-gradient(135deg, var(--bg3), var(--bg2));
  border-bottom: 1px solid var(--card-border);
  padding: 1.8rem 1.5rem 1.3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.card-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(247, 163, 37, 0.06), transparent);
  pointer-events: none;
}
.card-icon { font-size: 2.6rem; display: block; margin-bottom: 0.4rem; filter: drop-shadow(0 2px 12px rgba(247, 163, 37, 0.4)); }
.card-title { font-family: var(--font-deva); font-size: clamp(1.25rem, 3vw, 1.7rem); font-weight: 400; color: var(--accent3); }
.card-subtitle { font-family: var(--font-display); font-size: 0.68rem; letter-spacing: 0.1em; color: var(--text-muted); margin-top: 0.3rem; }
.ornament { text-align: center; color: var(--gold); letter-spacing: 0.3em; padding-top: 0.8rem; opacity: 0.6; }

.lyrics { padding: 1.8rem 1.6rem 2.2rem; }
.verse { margin-bottom: 1.6rem; }
.verse-label {
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  opacity: 0.85;
}
.verse p { font-family: var(--font-deva); font-size: 1.06rem; line-height: 2; color: var(--text); }
.verse-divider { width: 56px; height: 1.5px; background: linear-gradient(to right, transparent, var(--gold), transparent); margin: 1.5rem auto; border: none; }

/* ---------- Search results ---------- */
.results-info {
  max-width: var(--max-content);
  margin: 0 auto 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-family: var(--font-body);
}
.results-grid {
  max-width: var(--max-content);
  margin: 0 auto;
  display: grid;
  gap: 0.75rem;
}
.result-card {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.9rem 1.1rem;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: left;
  width: 100%;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.result-card:hover { border-color: var(--accent); transform: translateX(4px); }
.result-icon { font-size: 1.6rem; flex-shrink: 0; }
.result-meta { min-width: 0; }
.result-title { font-family: var(--font-deva); font-size: 1.05rem; color: var(--text); }
.result-sub { font-size: 0.72rem; color: var(--text-muted); letter-spacing: 0.05em; }
.result-tag {
  margin-left: auto;
  font-family: var(--font-body);
  font-size: 0.68rem;
  color: var(--accent);
  background: var(--bg3);
  padding: 0.15rem 0.6rem;
  border-radius: 100px;
  flex-shrink: 0;
}

/* ---------- Empty / loading states ---------- */
.state {
  max-width: var(--max-content);
  margin: 3rem auto;
  text-align: center;
  color: var(--text-muted);
}
.state-icon { font-size: 2.5rem; margin-bottom: 0.5rem; opacity: 0.6; }
.spinner {
  width: 34px; height: 34px;
  border: 3px solid var(--card-border);
  border-top-color: var(--accent);
  border-radius: 50%;
  margin: 0 auto 0.75rem;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Footer ---------- */
.site-footer {
  max-width: var(--max-content);
  margin: 3rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--divider);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ---------- Bell ripple ---------- */
.ripple-layer { position: fixed; inset: 0; pointer-events: none; z-index: 200; }
.ripple {
  position: absolute;
  border-radius: 50%;
  border: 2px solid var(--accent);
  transform: translate(-50%, -50%);
  animation: rippleOut 1s ease-out forwards;
}
@keyframes rippleOut {
  from { width: 0; height: 0; opacity: 0.8; }
  to { width: 200px; height: 200px; opacity: 0; }
}

/* ---------- Auto-scroll toggle ---------- */
.scroll-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 auto 1.25rem;
  background: var(--card);
  border: 1.5px solid var(--card-border);
  border-radius: 100px;
  padding: 0.4rem 1rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.scroll-toggle.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.scroll-toggle-wrap { text-align: center; max-width: var(--max-content); margin: 0 auto; }

/* ============================================================
   Responsive — mobile drawer
   ============================================================ */
@media (max-width: 860px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-rows: var(--topbar-h) 1fr;
    grid-template-areas:
      "topbar"
      "content";
  }
  .menu-toggle { display: flex; }
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: min(84vw, var(--sidebar-w));
    transform: translateX(-100%);
    box-shadow: 8px 0 40px rgba(0, 0, 0, 0.4);
  }
  .sidebar.open { transform: translateX(0); }
  .content { padding: 1.25rem 1rem 4rem; }
}

@media (max-width: 480px) {
  .topbar { padding: 0 0.75rem; gap: 0.5rem; }
  .theme-toggle { display: none; }
  .search-input { font-size: 0.9rem; }
  .lyrics { padding: 1.5rem 1.1rem 2rem; }
  .card-header { padding: 1.4rem 1rem 1.1rem; }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .flame, .flame::before, .flame-glow { animation: none; }
}