/* CSS Reset & Variables */
:root {
  /* Color Palette - Baitun Nur Branding */
  --primary-color: #0A5C36;
  --primary-light: #EAF4EE;
  --accent-color: #D4AF37;
  --accent-light: #FBF7EA;
  --text-color: #1A2D23;
  --text-secondary: #5C6E64;
  --bg-color: #FAF8F5;
  --card-bg: #FFFFFF;
  --border-color: #E2ECE7;
  --hover-bg: #F0F6F2;
  --shadow-color: rgba(10, 92, 54, 0.06);
  --toast-bg: #1A2D23;
  --toast-text: #FFFFFF;
  --btn-text-color: #FFFFFF;

  /* Fonts */
  --font-main: 'Plus Jakarta Sans', sans-serif;
  --font-arabic: 'KFGQPC Uthmanic Script HAFS', 'Scheherazade New', 'Amiri', serif;
  
  /* Quran text size */
  --quran-font-size: 28px;
  --translation-font-size: 15px;

  /* Layout dimensions */
  --header-height: 64px;
  --nav-height: 68px;
  --player-height: 96px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Variables */
.theme-dark {
  --primary-color: #1E9A60;
  --primary-light: #132B20;
  --accent-color: #ECC246;
  --accent-light: #2D2A1C;
  --text-color: #ECF5F0;
  --text-secondary: #A6BCAE;
  --bg-color: #0C120E;
  --card-bg: #141F18;
  --border-color: #22332A;
  --hover-bg: #1A2A20;
  --shadow-color: rgba(0, 0, 0, 0.3);
  --toast-bg: #EAF4EE;
  --toast-text: #0C120E;
}

/* High Contrast Theme Variables (A11y for Elders & Santri) */
.theme-highcontrast {
  --primary-color: #FFFF00;
  --primary-light: #000000;
  --accent-color: #FFFF00;
  --accent-light: #000000;
  --text-color: #FFFFFF;
  --text-secondary: #E0E0E0;
  --bg-color: #000000;
  --card-bg: #121212;
  --border-color: #FFFFFF;
  --hover-bg: #333333;
  --shadow-color: rgba(255, 255, 255, 0.1);
  --toast-bg: #FFFFFF;
  --toast-text: #000000;
  --btn-text-color: #000000;
}

/* Font Faces */
@font-face {
  font-family: 'KFGQPC Uthmanic Script HAFS';
  src: url('https://cdn.jsdelivr.net/gh/surh/uthmanic-font@master/KFGQPC%20Uthman%20Taha%20Bold.otf') format('opentype'),
       url('https://cdn.jsdelivr.net/gh/surh/uthmanic-font@master/KFGQPC%20Uthmanic%20Script%20HAFS.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.5;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Layout Utilities */
.hidden {
  display: none !important;
}

.flex-row { display: flex; flex-direction: row; }
.flex-col { display: flex; flex-direction: column; }
.flex-1 { flex: 1; }
.form-row { display: flex; gap: 12px; }
.form-group { display: flex; flex-direction: column; margin-bottom: 12px; }
.form-group label { font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text-secondary); }
.form-control {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 12px;
  background-color: var(--card-bg);
  color: var(--text-color);
  font-family: inherit;
  font-size: 15px;
  outline: none;
  transition: border-color var(--transition-fast);
}
.form-control:focus { border-color: var(--primary-color); }
.checkbox-group { display: flex; flex-direction: column; gap: 8px; margin: 8px 0; }
.checkbox-label { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 500; cursor: pointer; }
.checkbox-label input { width: 18px; height: 18px; cursor: pointer; }

/* Buttons (Touch Targets >= 44px) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 18px;
  min-height: 44px;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--btn-text-color);
}
.btn-primary:hover {
  opacity: 0.9;
}
.btn-outline {
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-color);
}
.btn-outline:hover {
  background-color: var(--hover-bg);
}
.btn-text {
  background-color: transparent;
  color: var(--text-color);
  padding: 6px 12px;
}
.btn-text:hover { background-color: var(--hover-bg); }
.btn-block { width: 100%; }
.text-gold { color: var(--accent-color) !important; }

.icon-btn {
  background: none;
  border: none;
  color: var(--text-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 50%;
  transition: background-color var(--transition-fast);
}
.icon-btn:hover {
  background-color: var(--hover-bg);
}

/* App Header */
.app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 100;
  transition: transform var(--transition-normal), background-color var(--transition-normal);
}

.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-area {
  display: flex;
  flex-direction: column;
}
.logo-sub {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  line-height: 1;
}
.logo-main {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1.2;
}

.font-size-ctrl {
  display: flex;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  background-color: var(--bg-color);
}
.font-btn {
  background: none;
  border: none;
  padding: 0 12px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-color);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}
.font-btn:hover {
  background-color: var(--hover-bg);
}
.font-btn:first-child {
  border-right: 1px solid var(--border-color);
}

/* Sidebar Navigation */
.sidebar-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}
.sidebar-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 280px;
  background-color: var(--card-bg);
  z-index: 1001;
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
}
.sidebar.active {
  transform: translateX(0);
}

.sidebar-header {
  height: var(--header-height);
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 16px 0;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
}
.nav-item-link {
  display: flex;
  align-items: center;
  padding: 14px 24px;
  color: var(--text-color);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  border-left: 4px solid transparent;
  transition: all var(--transition-fast);
}
.nav-item-link:hover, .nav-item-link.active {
  background-color: var(--primary-light);
  color: var(--primary-color);
  border-left-color: var(--primary-color);
}
.sidebar-footer {
  padding: 0 24px;
  font-size: 12px;
  color: var(--text-secondary);
}

/* Main Content Area */
.main-content {
  padding-top: calc(var(--header-height) + 16px);
  padding-bottom: calc(var(--nav-height) + 16px);
  padding-left: 16px;
  padding-right: 16px;
  max-width: 800px;
  margin: 0 auto;
  min-height: 100vh;
}

/* When audio player is visible, add extra padding at the bottom */
body.player-active .main-content {
  padding-bottom: calc(var(--nav-height) + var(--player-height) + 16px);
}

/* Tab Panels */
.tab-panel {
  display: none;
}
.tab-panel.active {
  display: block;
  animation: fadeIn var(--transition-normal) forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Cards & Components */
.card {
  background-color: var(--card-bg);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 12px var(--shadow-color);
  margin-bottom: 16px;
  overflow: hidden;
}

.card-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary-color);
}
.card-body {
  padding: 16px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

/* Hero Banner */
.hero-banner {
  background: linear-gradient(135deg, var(--primary-color) 0%, #064025 100%);
  border-radius: 16px;
  padding: 24px;
  color: #FFFFFF;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  box-shadow: 0 6px 16px rgba(10, 92, 54, 0.15);
}
.hero-text h1 {
  font-size: 22px;
  line-height: 1.2;
  margin-bottom: 4px;
  font-weight: 700;
  color: var(--accent-color);
}
.hero-text p {
  font-size: 14px;
  opacity: 0.9;
}
.hero-icon {
  font-size: 44px;
}

/* Bookmark Card */
.bookmark-card {
  border-left: 4px solid var(--accent-color);
}
.bookmark-info .badge {
  background-color: var(--accent-light);
  color: var(--accent-color);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 6px;
  display: inline-block;
  border: 1.5px solid var(--accent-color);
}
.bookmark-info h3 {
  font-size: 16px;
  margin-bottom: 4px;
}
.bookmark-info p {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Khatam Tracker */
.khatam-progress-container {
  display: flex;
  align-items: center;
  padding: 16px;
  gap: 24px;
}
.khatam-circular-progress {
  position: relative;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.progress-ring-bar {
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
  transition: stroke-dashoffset 0.5s ease;
}
.progress-text-value {
  position: absolute;
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-color);
}
.khatam-stats {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.stat-item {
  display: flex;
  flex-direction: column;
}
.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
}
.stat-val {
  font-size: 16px;
  font-weight: 600;
}

/* Quick Access */
.quick-access-section {
  margin-bottom: 24px;
}
.section-title {
  font-size: 16px;
  margin-bottom: 12px;
  color: var(--primary-color);
}
.quick-links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 8px;
}
.quick-link-btn {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-color);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 44px;
}
.quick-link-btn:hover {
  border-color: var(--primary-color);
  background-color: var(--primary-light);
  color: var(--primary-color);
}

/* Search Bar */
.search-bar {
  position: relative;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
}
.search-icon {
  position: absolute;
  left: 14px;
  color: var(--text-secondary);
  pointer-events: none;
}
.search-bar input {
  width: 100%;
  padding: 12px 16px 12px 44px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background-color: var(--card-bg);
  color: var(--text-color);
  font-family: inherit;
  font-size: 15px;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 4px 12px var(--shadow-color);
}
.search-bar input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 4px 16px rgba(10, 92, 54, 0.1);
}

.search-results-info {
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

/* Surah Grid List */
.surah-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 480px) {
  .surah-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 768px) {
  .surah-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.surah-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 64px;
}
.surah-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--shadow-color);
  background-color: var(--primary-light);
}
.surah-card-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.surah-number {
  width: 32px;
  height: 32px;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
}
.surah-card:hover .surah-number {
  background-color: var(--primary-color);
  color: #FFFFFF;
  border-color: var(--primary-color);
}
.surah-info {
  display: flex;
  flex-direction: column;
}
.surah-name-id {
  font-size: 14px;
  font-weight: 700;
}
.surah-meta-id {
  font-size: 11px;
  color: var(--text-secondary);
}
.surah-card-right {
  text-align: right;
}
.surah-arabic-title {
  font-family: var(--font-arabic);
  font-size: 18px;
  color: var(--primary-color);
  font-weight: 600;
}
.surah-ayahs-count {
  font-size: 10px;
  color: var(--text-secondary);
}

/* Reader View Bar */
.reader-header-bar {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  box-shadow: 0 4px 12px var(--shadow-color);
  transition: transform var(--transition-normal);
}
.reader-title-info {
  text-align: center;
}
.reader-title-info h2 {
  font-size: 18px;
  color: var(--primary-color);
}
.reader-title-info p {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Quran Reader Container */
.quran-reader-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.bismillah-header {
  text-align: center;
  font-family: var(--font-arabic);
  font-size: 26px;
  padding: 24px 0;
  color: var(--primary-color);
  border-bottom: 1px dashed var(--border-color);
  margin-bottom: 8px;
}

/* Verse Card */
.verse-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background-color var(--transition-normal), border-color var(--transition-normal), transform var(--transition-fast);
  scroll-margin-top: 100px;
}

/* Active Verse Highlights - GOLD-GREEN BRANDING */
.verse-item.active-verse {
  background-color: var(--primary-light);
  border-left: 4px solid var(--accent-color);
  border-color: var(--primary-color);
  transform: scale(1.01);
}
.theme-dark .verse-item.active-verse {
  background-color: var(--primary-light);
  border-color: var(--primary-color);
}
.theme-highcontrast .verse-item.active-verse {
  background-color: #000000;
  border-left: 8px solid #FFFF00;
  border-color: #FFFF00;
  outline: 2px solid #FFFF00;
}

.verse-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}
.verse-badge {
  font-size: 11px;
  background-color: var(--bg-color);
  padding: 4px 8px;
  border-radius: 6px;
  font-weight: 600;
  color: var(--text-secondary);
}
.verse-actions-row {
  display: flex;
  gap: 8px;
}
.action-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  border-radius: 6px;
  padding: 6px;
  transition: all var(--transition-fast);
}
.action-btn:hover, .action-btn.active {
  background-color: var(--hover-bg);
  color: var(--primary-color);
}
.action-btn.active-bookmark {
  color: var(--accent-color) !important;
}

.arabic-container {
  display: flex;
  justify-content: flex-end;
  padding: 8px 0;
}
.quran-arabic-text {
  font-family: var(--font-arabic);
  font-size: var(--quran-font-size);
  line-height: 2.2;
  text-align: right;
  direction: rtl;
  color: var(--text-color);
  word-spacing: 0.1em;
}

.translation-container {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.translation-num {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary-color);
}
.translation-text {
  font-size: var(--translation-font-size);
  line-height: 1.6;
  color: var(--text-color);
}

/* Tafsir Mode inside Verse Card */
.verse-tafsir-box {
  background-color: var(--bg-color);
  border-radius: 8px;
  padding: 12px;
  font-size: 14px;
  color: var(--text-secondary);
  border-left: 3px solid var(--primary-color);
  line-height: 1.5;
  animation: fadeIn var(--transition-fast) forwards;
}

/* Tafsir View Layout */
.section-header {
  margin-bottom: 16px;
}
.section-header h2 {
  color: var(--primary-color);
  font-size: 20px;
}
.section-header p {
  font-size: 14px;
  color: var(--text-secondary);
}
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 12px;
}
.alert-info {
  background-color: var(--primary-light);
  color: var(--primary-color);
  border: 1px solid var(--border-color);
}
.tafsir-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 12px;
}
.tafsir-card h4 {
  font-size: 14px;
  color: var(--primary-color);
  margin-bottom: 8px;
}
.tafsir-card p {
  font-size: 14px;
  line-height: 1.6;
}

/* Tahfidz Panel Details */
.tahfidz-settings-card {
  border-left: 4px solid var(--primary-color);
}
.tahfidz-play-view {
  animation: fadeIn var(--transition-normal) forwards;
}
.tahfidz-stats-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background-color: var(--primary-light);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 16px;
}
.tahfidz-card-verse {
  background-color: var(--card-bg);
  border: 2px solid var(--primary-color);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  box-shadow: 0 6px 16px var(--shadow-color);
}
.tahfidz-arabic {
  font-family: var(--font-arabic);
  font-size: 32px;
  line-height: 2.2;
  margin-bottom: 20px;
  direction: rtl;
}
.tahfidz-translation {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Profil Tab Details */
.profile-hero {
  text-align: center;
  padding: 24px 0;
  margin-bottom: 16px;
}
.profile-avatar {
  font-size: 48px;
  margin-bottom: 12px;
}
.profile-hero h2 {
  font-size: 20px;
  color: var(--primary-color);
}
.profile-hero p {
  font-size: 14px;
  color: var(--text-secondary);
}

.toggle-buttons {
  display: flex;
  gap: 8px;
}
.toggle-buttons .btn.active {
  background-color: var(--primary-color);
  color: var(--btn-text-color);
  border-color: var(--primary-color);
}

/* Downloads & Bookmarks List */
.download-list, .bookmark-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}
.download-item, .bookmark-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-color);
  font-size: 13px;
}
.empty-list-msg {
  font-size: 13px;
  color: var(--text-secondary);
  text-align: center;
  padding: 12px 0;
}
.about-app {
  margin-top: 32px;
  padding: 16px;
  border-top: 1px solid var(--border-color);
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
  text-align: center;
}
.app-dev-credit {
  margin-top: 8px;
  font-weight: 600;
  color: var(--primary-color);
}

/* Floating Audio Player */
.floating-player-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: var(--nav-height);
  background-color: var(--card-bg);
  border-top: 1.5px solid var(--border-color);
  box-shadow: 0 -4px 16px var(--shadow-color);
  z-index: 90;
  display: flex;
  flex-direction: column;
  padding: 8px 16px 12px 16px;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.player-verse-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}
.player-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-color);
}
.player-subtitle {
  font-size: 11px;
  color: var(--text-secondary);
}

.player-timeline {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.time-lbl {
  font-size: 10px;
  color: var(--text-secondary);
  font-weight: 600;
  min-width: 28px;
}
.player-progress-slider {
  flex: 1;
  height: 4px;
  background-color: var(--border-color);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
}
.player-progress-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--primary-color);
  cursor: pointer;
}

.player-controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.player-ctrl-left, .player-ctrl-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}
.player-ctrl-right {
  justify-content: flex-end;
}
.player-ctrl-center {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
}

.player-select {
  border: 1px solid var(--border-color);
  background-color: var(--bg-color);
  color: var(--text-color);
  border-radius: 6px;
  padding: 4px 6px;
  font-size: 12px;
  font-family: inherit;
  outline: none;
}

.player-btn {
  background: none;
  border: none;
  color: var(--text-color);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-fast);
}
.player-btn:hover {
  background-color: var(--hover-bg);
  color: var(--primary-color);
}
.play-pause-btn {
  background-color: var(--primary-color);
  color: var(--btn-text-color) !important;
  width: 44px;
  height: 44px;
  box-shadow: 0 4px 8px rgba(10, 92, 54, 0.2);
}
.play-pause-btn:hover {
  transform: scale(1.05);
}

.volume-container {
  display: flex;
  align-items: center;
  gap: 4px;
}
.volume-slider {
  width: 60px;
  height: 4px;
  background-color: var(--border-color);
  border-radius: 2px;
  outline: none;
  -webkit-appearance: none;
}
.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--primary-color);
}

/* Follow Reading Button & Pulsing */
.btn-follow-reading {
  background-color: var(--accent-color);
  color: var(--btn-text-color);
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 700;
  border-radius: 15px;
  height: 32px;
  min-height: 32px !important;
  border: none;
  display: none; /* Show only when auto-scroll is broken */
  box-shadow: 0 2px 6px rgba(212, 175, 55, 0.3);
}

.btn-follow-reading.pulse {
  animation: pulse-animation 1.5s infinite;
}

@keyframes pulse-animation {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(212, 175, 55, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(212, 175, 55, 0); }
}

/* Bottom Navigation Bar (Touch height >= 44px, standard 48px) */
.bottom-nav-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--nav-height);
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 100;
  padding-bottom: env(safe-area-inset-bottom);
}
.bottom-nav-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex: 1;
  font-family: inherit;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.bottom-nav-btn svg {
  transition: transform var(--transition-fast);
}
.bottom-nav-btn:hover, .bottom-nav-btn.active {
  color: var(--primary-color);
}
.bottom-nav-btn.active svg {
  transform: scale(1.1);
  stroke: var(--primary-color);
}

/* Toast Notification Styles */
.toast-container {
  position: fixed;
  bottom: calc(var(--nav-height) + 16px);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 9999;
  width: 90%;
  max-width: 320px;
}
.toast {
  background-color: var(--toast-bg);
  color: var(--toast-text);
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  animation: slideUp var(--transition-fast) forwards;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Loading Spinner */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(250, 248, 245, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  z-index: 9999;
}
.theme-dark .loading-overlay {
  background-color: rgba(12, 18, 14, 0.8);
}
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Reading Focus Mode Styling */
body.focus-mode .app-header {
  transform: translateY(-100%);
}
body.focus-mode .bottom-nav-bar {
  transform: translateY(100%);
}
body.focus-mode .floating-player-bar {
  bottom: 0;
}
body.focus-mode .main-content {
  padding-top: 16px;
  padding-bottom: calc(var(--player-height) + 16px);
}

/* Desktop and Tablet Adaptability */
@media (min-width: 768px) {
  :root {
    --header-height: 70px;
    --nav-height: 0px; /* Hide bottom navigation on desktop, sidebar layout is used */
  }
  
  .bottom-nav-bar {
    display: none;
  }
  
  .app-header {
    left: 280px; /* Offset for permanent sidebar on desktop */
  }
  
  .sidebar {
    transform: translateX(0) !important;
    border-right: 1px solid var(--border-color);
    box-shadow: none;
  }
  .sidebar-backdrop {
    display: none !important;
  }
  .close-btn {
    display: none !important;
  }
  .hamburger-btn {
    display: none !important;
  }
  
  .main-content {
    margin-left: 280px;
    padding-top: calc(var(--header-height) + 24px);
    max-width: 900px;
  }
  
  body.player-active .main-content {
    padding-bottom: calc(var(--player-height) + 24px);
  }
  
  .floating-player-bar {
    left: 280px;
    bottom: 0;
  }

  body.focus-mode .app-header {
    transform: translateY(-100%);
  }
  body.focus-mode .sidebar {
    transform: translateX(-100%) !important;
  }
  body.focus-mode .main-content {
    margin-left: 0;
    padding-top: 24px;
    max-width: 800px;
  }
  body.focus-mode .floating-player-bar {
    left: 0;
  }
}