/* ==========================================================================
   Muslims Host • Holy Quran Audio Player
   Modern, Spiritual, Responsive Stylesheet (All Devices)
   ========================================================================== */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-arabic: "Amiri", "Traditional Arabic", "Scheherazade New", "Noto Naskh Arabic", "Geeza Pro", serif;
  
  /* Dark Theme (Default) */
  --bg-main: #060b09;
  --bg-card: #0d1613;
  --bg-card-hover: #13221d;
  --bg-elevated: #162822;
  --bg-input: #0a1310;
  --bg-player: rgba(10, 19, 16, 0.96);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(16, 185, 129, 0.3);
  --border-hover: rgba(16, 185, 129, 0.6);
  
  --primary: #10b981;
  --primary-hover: #059669;
  --primary-light: rgba(16, 185, 129, 0.15);
  --gold: #d4af37;
  --gold-hover: #f59e0b;
  --gold-light: rgba(212, 175, 55, 0.15);
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.6);
  --glow-emerald: 0 0 20px rgba(16, 185, 129, 0.25);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --player-height: 88px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme */
[data-theme="light"] {
  --bg-main: #f4f6f4;
  --bg-card: #ffffff;
  --bg-card-hover: #f0f7f3;
  --bg-elevated: #e6f0eb;
  --bg-input: #f0f3f1;
  --bg-player: rgba(255, 255, 255, 0.97);
  
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(16, 185, 129, 0.4);
  --border-hover: rgba(16, 185, 129, 0.8);
  
  --primary: #059669;
  --primary-hover: #047857;
  --primary-light: rgba(5, 150, 105, 0.12);
  --gold: #b48512;
  --gold-hover: #936809;
  --gold-light: rgba(180, 133, 18, 0.12);
  
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.12);
  --glow-emerald: 0 0 20px rgba(5, 150, 105, 0.15);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  padding-bottom: calc(var(--player-height) + 36px + env(safe-area-inset-bottom, 0px));
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

/* Background Subtle Geometric Glow */
.bg-ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: 
    radial-gradient(circle at 15% 15%, rgba(16, 185, 129, 0.07) 0%, transparent 40%),
    radial-gradient(circle at 85% 35%, rgba(212, 175, 55, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 50% 90%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
  z-index: -1;
}

/* Container */
.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: var(--bg-player);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.75rem 0;
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  flex-shrink: 0;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary) 0%, #047857 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: var(--glow-emerald);
  flex-shrink: 0;
}

.brand-icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  line-height: 1.2;
}

.brand-title span {
  color: var(--gold);
}

.brand-subtitle {
  font-size: 0.72rem;
  color: var(--text-secondary);
  line-height: 1;
}

/* Header Middle: Search */
.header-search {
  flex: 1;
  max-width: 500px;
  position: relative;
}

.search-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 0.9rem;
  width: 17px;
  height: 17px;
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 0.6rem 2.25rem 0.6rem 2.5rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.88rem;
  outline: none;
  transition: var(--transition);
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.clear-search-btn {
  position: absolute;
  right: 0.7rem;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.2rem;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
}

.clear-search-btn:hover {
  color: var(--text-primary);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}

.icon-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.icon-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.icon-btn svg {
  width: 18px;
  height: 18px;
}

/* Hero & Active Reciter Bar */
.hero-section {
  padding: 1.25rem 0 0.75rem;
}

.reciter-card-hero {
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-elevated) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.hero-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.hero-reciter-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
}

.hero-reciter-avatar {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary) 0%, var(--gold) 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.3rem;
  box-shadow: var(--glow-emerald);
  flex-shrink: 0;
}

.hero-meta {
  min-width: 0;
}

.hero-meta h1 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hero-meta .arabic-name {
  font-family: var(--font-arabic);
  font-size: 1.2rem;
  color: var(--gold);
  line-height: 1.2;
  margin-top: 0.15rem;
}

.hero-tags {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.35rem;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
}

.badge-primary {
  background-color: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--border-accent);
}

.badge-gold {
  background-color: var(--gold-light);
  color: var(--gold);
  border: 1px solid rgba(212, 175, 55, 0.3);
}

.badge-muted {
  background-color: var(--border-subtle);
  color: var(--text-secondary);
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.6rem 1.15rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  color: #ffffff;
  box-shadow: var(--glow-emerald);
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.btn-fav {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}

.btn-fav:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: var(--gold-light);
}

.btn-fav svg {
  width: 20px;
  height: 20px;
}

/* Quick Reciters & Language Bar */
.quick-chips-wrapper {
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.75rem;
}

.quick-chips-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chips-scroll {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  overflow-x: auto;
  padding-bottom: 0.35rem;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.chip {
  flex-shrink: 0;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  white-space: nowrap;
}

.chip:hover {
  color: var(--text-primary);
  border-color: var(--primary);
  background: var(--primary-light);
}

.chip.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

/* Main Navigation / Section Controls */
.controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  margin: 1.25rem 0 0.85rem;
  flex-wrap: wrap;
}

.nav-tabs {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.2rem;
  gap: 0.2rem;
}

.nav-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-tab:hover {
  color: var(--text-primary);
}

.nav-tab.active {
  background: var(--primary);
  color: #ffffff;
}

.nav-tab svg {
  width: 15px;
  height: 15px;
}

.view-controls {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.filter-select {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.45rem 0.75rem;
  font-size: 0.82rem;
  outline: none;
  cursor: pointer;
  transition: var(--transition);
}

.filter-select:hover, .filter-select:focus {
  border-color: var(--primary);
}

.view-toggle-btns {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.15rem;
}

.view-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.35rem 0.55rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.view-btn:hover {
  color: var(--text-primary);
}

.view-btn.active {
  background: var(--bg-elevated);
  color: var(--primary);
}

.view-btn svg {
  width: 16px;
  height: 16px;
}

/* Surah Grid & List */
.surah-catalog {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

.surah-catalog.list-view {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Surah Card */
.surah-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.surah-card:hover {
  border-color: var(--border-accent);
  background-color: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.surah-card.playing {
  border-color: var(--primary);
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--primary-light) 100%);
  box-shadow: var(--glow-emerald);
}

.surah-card.unavailable {
  opacity: 0.45;
  filter: grayscale(0.7);
  cursor: not-allowed;
}

.surah-card.unavailable:hover {
  transform: none;
  border-color: var(--border-subtle);
}

/* Surah Card Main Row */
.surah-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.surah-header-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  flex: 1;
}

.surah-number-badge {
  width: 40px;
  height: 40px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: var(--transition);
}

.surah-card.playing .surah-number-badge {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.surah-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.surah-name-en {
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  line-height: 1.3;
}

.surah-meaning {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 0.1rem;
}

.surah-name-ar {
  font-family: var(--font-arabic);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  text-align: right;
  flex-shrink: 0;
}

/* Surah Card Footer Row (Meta + Actions) */
.surah-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.65rem;
}

.surah-meta-tags {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.74rem;
  color: var(--text-secondary);
}

.surah-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

.card-action-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.card-action-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.card-action-btn.play-btn {
  background: var(--primary);
  color: #ffffff;
  border: none;
}

.card-action-btn.play-btn:hover {
  transform: scale(1.08);
  filter: brightness(1.1);
}

.card-action-btn svg {
  width: 15px;
  height: 15px;
}

/* Sound wave equalizer animation */
.equalizer {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 15px;
  width: 15px;
}

.equalizer span {
  background-color: #ffffff;
  width: 2.5px;
  border-radius: 2px;
  animation: equalize 0.8s ease-in-out infinite alternate;
}

.equalizer span:nth-child(1) { height: 40%; animation-delay: 0.1s; }
.equalizer span:nth-child(2) { height: 100%; animation-delay: 0.3s; }
.equalizer span:nth-child(3) { height: 60%; animation-delay: 0.2s; }

@keyframes equalize {
  0% { height: 25%; }
  100% { height: 100%; }
}

/* List View variant */
.surah-catalog.list-view .surah-card {
  flex-direction: row;
  align-items: center;
  padding: 0.85rem 1.15rem;
}

.surah-catalog.list-view .surah-card-header {
  flex: 1;
  align-items: center;
}

.surah-catalog.list-view .surah-card-footer {
  border-top: none;
  padding-top: 0;
  gap: 1.25rem;
}

/* Persistent Bottom Audio Player */
.audio-player-dock {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background-color: var(--bg-player);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-subtle);
  padding: 0.65rem 1.25rem calc(0.65rem + env(safe-area-inset-bottom, 0px));
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.player-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 280px 1fr 260px;
  align-items: center;
  gap: 1.25rem;
}

/* Player Left: Info */
.player-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.player-artwork {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--gold) 100%);
  border-radius: var(--radius-sm);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-arabic);
  font-size: 1.25rem;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: var(--glow-emerald);
}

.player-details {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.player-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.2;
}

.player-subtitle {
  font-size: 0.76rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.2;
  margin-top: 0.15rem;
}

.player-quick-tools {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Player Center: Controls & Scrubber */
.player-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.player-buttons {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.player-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.player-btn:hover {
  color: var(--text-primary);
  background-color: var(--border-subtle);
}

.player-btn.active {
  color: var(--primary);
}

.player-btn.play-main {
  width: 42px;
  height: 42px;
  background: var(--primary);
  color: #ffffff;
  box-shadow: var(--glow-emerald);
}

.player-btn.play-main:hover {
  transform: scale(1.06);
  filter: brightness(1.1);
}

.player-btn svg {
  width: 17px;
  height: 17px;
}

.player-btn.play-main svg {
  width: 20px;
  height: 20px;
}

.scrubber-container {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  max-width: 620px;
}

.time-label {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  min-width: 38px;
}

.time-label.current {
  text-align: right;
}

.progress-bar-wrap {
  flex: 1;
  height: 6px;
  background: var(--bg-elevated);
  border-radius: var(--radius-full);
  cursor: pointer;
  position: relative;
  overflow: visible;
}

.progress-bar-wrap:hover .progress-handle {
  opacity: 1;
  transform: scale(1.2);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, var(--gold) 100%);
  border-radius: var(--radius-full);
  width: 0%;
  position: relative;
  transition: width 0.1s linear;
}

.progress-handle {
  position: absolute;
  right: -5px;
  top: -4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

/* Player Right: Volume & Extra */
.player-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

.speed-badge-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
}

.speed-badge-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.volume-control {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.volume-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 75px;
  height: 5px;
  background: var(--bg-elevated);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
}

.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
}

.volume-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: none;
}

/* Modals & Drawers */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 680px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform 0.25s ease;
  overflow: hidden;
}

.modal-backdrop.open .modal-box {
  transform: translateY(0);
}

.modal-header {
  padding: 1.15rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.35rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.modal-close-btn:hover {
  color: var(--text-primary);
  background: var(--bg-elevated);
}

.modal-body {
  padding: 1.15rem 1.5rem;
  overflow-y: auto;
  flex: 1;
}

/* Modal Search & Letter Filters */
.modal-search-wrap {
  margin-bottom: 0.85rem;
}

.letter-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 0.85rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--border-subtle);
}

.letter-btn {
  padding: 0.2rem 0.45rem;
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: var(--transition);
}

.letter-btn:hover, .letter-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.reciters-selection-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.reciter-select-item {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: var(--transition);
}

.reciter-select-item:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.reciter-select-item.active {
  border-color: var(--primary);
  background: var(--primary-light);
}

.reciter-select-left {
  display: flex;
  flex-direction: column;
}

.reciter-select-name {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-primary);
}

.reciter-select-arabic {
  font-family: var(--font-arabic);
  font-size: 0.82rem;
  color: var(--gold);
}

/* Fullscreen Focus Player Modal */
.focus-player-modal {
  max-width: 500px;
  text-align: center;
  background: radial-gradient(circle at 50% 30%, var(--bg-elevated) 0%, var(--bg-card) 100%);
  padding: 2rem;
}

.focus-arabic-calligraphy {
  font-family: var(--font-arabic);
  font-size: 3rem;
  font-weight: 700;
  color: var(--gold);
  margin: 1.25rem 0 0.5rem;
  text-shadow: 0 0 25px rgba(212, 175, 55, 0.4);
}

.focus-surah-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
}

.focus-reciter-name {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* Shortcuts Dialog Content */
.shortcuts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  font-size: 0.82rem;
}

kbd {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 0.15rem 0.45rem;
  font-size: 0.75rem;
  font-family: monospace;
  color: var(--gold);
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  color: var(--text-primary);
  padding: 0.7rem 1.15rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  pointer-events: auto;
  animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  margin-bottom: 0.75rem;
  opacity: 0.5;
}

/* ==========================================================================
   Responsive Breakpoints & Mobile Adaptations
   ========================================================================== */

/* Tablet (max-width: 992px) */
@media (max-width: 992px) {
  :root {
    --player-height: 120px;
  }
  
  .player-grid {
    grid-template-columns: 1fr auto;
    grid-template-areas: 
      "info right"
      "center center";
    gap: 0.5rem 1rem;
  }
  
  .player-left {
    grid-area: info;
  }
  
  .player-right {
    grid-area: right;
  }
  
  .player-center {
    grid-area: center;
    width: 100%;
  }

  .scrubber-container {
    max-width: 100%;
  }
}

/* Mobile Devices (max-width: 768px) */
@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 0.65rem;
  }
  
  .header-search {
    order: 3;
    max-width: 100%;
    width: 100%;
  }

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

  .hero-reciter-info {
    width: 100%;
  }

  .hero-buttons {
    width: 100%;
    display: flex;
    align-items: center;
  }

  .hero-buttons .btn-primary {
    flex: 1;
  }

  .controls-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .nav-tabs {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .view-controls {
    width: 100%;
    justify-content: space-between;
  }

  .surah-catalog {
    grid-template-columns: 1fr;
  }
}

/* Small Mobile Screens (max-width: 480px) */
@media (max-width: 480px) {
  :root {
    --player-height: 130px;
  }

  .container {
    padding: 0 0.85rem;
  }

  .brand-title {
    font-size: 1rem;
  }

  .hero-meta h1 {
    font-size: 1.15rem;
  }

  .hero-meta .arabic-name {
    font-size: 1.05rem;
  }

  .hero-reciter-avatar {
    width: 46px;
    height: 46px;
    font-size: 1.1rem;
  }

  .player-grid {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
  }

  .player-left {
    width: 100%;
    justify-content: space-between;
  }

  .player-right {
    display: none; /* Hardware volume buttons on phone */
  }

  .player-center {
    width: 100%;
  }

  .player-buttons {
    gap: 0.5rem;
  }

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

  .modal-box {
    max-height: 90vh;
    border-radius: var(--radius-md);
  }
}