:root {
  /* Islamic Color Palette */
  --color-primary: #1e7b5f;
  --color-primary-dark: #155843;
  --color-primary-light: #2a9d7a;
  --color-accent: #d4af37;
  --color-accent-dark: #b8941f;
  --color-accent-light: #e8c960;

  /* Neutral Colors */
  --color-bg-light: #faf9f7;
  --color-bg-white: #ffffff;
  --color-text-dark: #1a1a1a;
  --color-text-gray: #666666;
  --color-text-light: #999999;
  --color-border: #e5e5e5;

  /* Dark Mode Colors */
  --color-dark-bg: #0f1419;
  --color-dark-surface: #1a1f26;
  --color-dark-elevated: #242b33;
  --color-dark-text: #e8e8e8;
  --color-dark-text-secondary: #b0b0b0;
  --color-dark-border: #2d3642;

  /* Semantic Colors */
  --color-success: #22c55e;
  --color-error: #ef4444;
  --color-warning: #f59e0b;
  --color-info: #3b82f6;

  /* Typography */
  --font-arabic: 'Amiri', 'Traditional Arabic', serif;
  --font-latin: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --color-bg-light: var(--color-dark-bg);
  --color-bg-white: var(--color-dark-surface);
  --color-text-dark: var(--color-dark-text);
  --color-text-gray: var(--color-dark-text-secondary);
  --color-border: var(--color-dark-border);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-latin);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-dark);
  background: var(--color-bg-light);
  transition: background-color var(--transition-base), color var(--transition-base);
  min-height: 100vh;
  padding-bottom: 180px;
  /* Space for fixed audio player */
}

/* Arabic Text Styling */
.arabic-text {
  font-family: var(--font-arabic);
  font-size: var(--text-2xl);
  line-height: 2.2;
  text-align: right;
  direction: rtl;
  font-weight: 400;
  letter-spacing: 0.02em;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-4);
  color: var(--color-text-dark);
}

h1 {
  font-size: var(--text-4xl);
}

h2 {
  font-size: var(--text-3xl);
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

h5 {
  font-size: var(--text-lg);
}

h6 {
  font-size: var(--text-base);
}

p {
  margin-bottom: var(--space-4);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* Header */
.header {
  background: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  gap: var(--space-6);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--text-xl);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: none;
  background: transparent;
  color: var(--color-text-dark);
  font-size: var(--text-xl);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
  -webkit-tap-highlight-color: transparent;
  /* Remove tap highlight on mobile */
}

.mobile-menu-toggle:hover,
.mobile-menu-toggle:focus {
  background: var(--color-bg-light);
  color: var(--color-primary);
  outline: none;
}

.mobile-menu-toggle:active {
  background: var(--color-primary);
  color: white;
  transform: scale(0.95);
}

.mobile-menu-toggle.active {
  background: var(--color-primary);
  color: white;
}

.mobile-menu-toggle i {
  transition: transform var(--transition-base);
}

.mobile-menu-toggle.active i {
  transform: rotate(90deg);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-links {
  display: flex;
  gap: var(--space-2);
  list-style: none;
}

.nav-link {
  padding: var(--space-2) var(--space-4);
  color: var(--color-text-gray);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.nav-link:hover {
  background: var(--color-primary);
  color: white;
}

.nav-link.active {
  background: var(--color-primary);
  color: white;
}

/* Search Bar */
.search-bar {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.search-input {
  width: 100%;
  padding: var(--space-3) var(--space-4) var(--space-3) var(--space-12);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
  background: var(--color-bg-light);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 123, 95, 0.1);
}

.search-icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-light);
  pointer-events: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-weight: 600;
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--color-bg-white);
  color: var(--color-text-dark);
  border: 2px solid var(--color-border);
}

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

.btn-icon {
  padding: var(--space-3);
  background: transparent;
  color: var(--color-text-gray);
}

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

/* Cards */
.card {
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-glass {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] .card-glass {
  background: rgba(26, 31, 38, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Main Content Area */
.main {
  padding: var(--space-8) 0;
  min-height: calc(100vh - 200px);
}

/* Surah List */
.surah-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.surah-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  border: 2px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.surah-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.surah-card:hover::before {
  transform: scaleX(1);
}

.surah-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.surah-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.surah-number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: white;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: var(--text-lg);
}

.surah-info {
  flex: 1;
  padding: 0 var(--space-4);
}

.surah-name-arabic {
  font-family: var(--font-arabic);
  font-size: var(--text-2xl);
  color: var(--color-text-dark);
  margin-bottom: var(--space-1);
}

.surah-name-transliteration {
  font-size: var(--text-base);
  color: var(--color-text-gray);
  font-weight: 500;
}

.surah-meta {
  display: flex;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-top: var(--space-3);
}

/* Ayah Display */
.ayah-container {
  margin-bottom: var(--space-8);
  padding: var(--space-6);
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.ayah-container:hover {
  box-shadow: var(--shadow-md);
}

.ayah-arabic {
  font-family: var(--font-arabic);
  font-size: 2rem;
  line-height: 2.5;
  text-align: right;
  direction: rtl;
  color: var(--color-text-dark);
  margin-bottom: var(--space-6);
  padding: var(--space-4);
  border-right: 4px solid var(--color-accent);
}

.ayah-translation {
  font-size: var(--text-lg);
  color: var(--color-text-gray);
  line-height: 1.8;
  padding: var(--space-4);
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}

.ayah-controls {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  flex-wrap: wrap;
}

/* Audio Player Container */
#audioPlayerContainer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  padding: var(--space-4);
  background: transparent;
  pointer-events: none;
}

#audioPlayerContainer>* {
  pointer-events: auto;
}

/* Audio Player */
.audio-player {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-2xl);
  border: 1px solid rgba(255, 255, 255, 0.3);
  max-width: 1200px;
  margin: 0 auto;
}

[data-theme="dark"] .audio-player {
  background: rgba(26, 31, 38, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.audio-progress {
  width: 100%;
  height: 6px;
  background: var(--color-bg-light);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.audio-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-full);
  transition: width 100ms linear;
}

.audio-controls {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.audio-btn {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  border: none;
  background: var(--color-primary);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.audio-btn:hover {
  background: var(--color-primary-dark);
  transform: scale(1.05);
}

.audio-btn.play-btn {
  width: 56px;
  height: 56px;
  box-shadow: var(--shadow-md);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-modal);
  animation: fadeIn var(--transition-base);
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--color-bg-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-2xl);
  animation: slideUp var(--transition-base);
}

/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Toast Notifications */
.toast {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  background: var(--color-dark-surface);
  color: white;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-tooltip);
  animation: slideUp var(--transition-base);
  max-width: 400px;
}

.toast.success {
  background: var(--color-success);
}

.toast.error {
  background: var(--color-error);
}

/* Responsive Design */
@media (max-width: 768px) {
  .header-container {
    flex-wrap: wrap;
    position: relative;
  }

  .search-bar {
    order: 3;
    width: 100%;
    max-width: 100%;
  }

  /* Show mobile menu toggle */
  .mobile-menu-toggle {
    display: flex;
    order: 2;
  }

  /* Mobile Navigation */
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    max-width: 85%;
    height: 100vh;
    background: var(--color-bg-white);
    box-shadow: var(--shadow-2xl);
    z-index: var(--z-modal);
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: var(--space-6);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
  }

  .nav.active {
    right: 0;
  }

  /* Mobile menu header with close button */
  .mobile-menu-header {
    display: none;
    padding-bottom: var(--space-4);
    margin-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
  }

  @media (max-width: 768px) {
    .mobile-menu-header {
      display: flex;
      justify-content: flex-end;
    }
  }

  .mobile-menu-close {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border: none;
    background: var(--color-bg-light);
    color: var(--color-text-dark);
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-weight: 600;
    font-size: var(--text-base);
    transition: all var(--transition-fast);
    min-height: 44px;
    -webkit-tap-highlight-color: transparent;
  }

  .mobile-menu-close:hover,
  .mobile-menu-close:focus {
    background: var(--color-error);
    color: white;
    outline: none;
  }

  .mobile-menu-close:active {
    transform: scale(0.95);
  }

  /* Remove the ::before pseudo-element since we have a real header now */
  .nav::before {
    display: none;
  }

  .nav-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
    flex: 1;
  }

  .nav-link {
    width: 100%;
    text-align: right;
    padding: var(--space-4) var(--space-5);
    font-size: var(--text-lg);
    min-height: 48px;
    /* Better touch target */
    display: flex;
    align-items: center;
    justify-content: flex-end;
    border-radius: var(--radius-lg);
    font-weight: 600;
    -webkit-tap-highlight-color: transparent;
  }

  .nav-link:active {
    transform: scale(0.98);
  }

  /* Theme toggle in mobile menu */
  .nav .btn-icon {
    width: 100%;
    padding: var(--space-4);
    justify-content: center;
    border-radius: var(--radius-lg);
    font-size: var(--text-xl);
    min-height: 48px;
  }

  /* Mobile menu backdrop */
  .mobile-menu-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(2px);
    z-index: calc(var(--z-modal) - 1);
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-tap-highlight-color: transparent;
  }

  .mobile-menu-backdrop.active {
    /* display: block; */
    opacity: 1;
  }

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

  .ayah-arabic {
    font-size: 1.5rem;
    line-height: 2.2;
  }

  /* Mobile Audio Player Styles */
  body {
    padding-bottom: 140px !important;
    /* Reduced padding for mobile */
  }

  #audioPlayerContainer {
    padding: var(--space-2);
  }

  .audio-player {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
  }

  .audio-info {
    margin-bottom: var(--space-3) !important;
  }

  .audio-info .flex {
    flex-direction: column;
    align-items: flex-start !important;
    gap: var(--space-2);
  }

  #currentAyahText {
    font-size: var(--text-sm) !important;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  #currentReciter {
    font-size: var(--text-xs);
  }

  .audio-controls {
    flex-wrap: wrap;
    gap: var(--space-2) !important;
    justify-content: center;
  }

  .audio-btn {
    width: 40px !important;
    height: 40px !important;
    font-size: var(--text-sm);
  }

  .audio-btn.play-btn {
    width: 48px !important;
    height: 48px !important;
  }

  /* Hide repeat count selector on mobile - use button only */
  #repeatCountSelect {
    display: none !important;
  }

  /* Make volume control more compact */
  .audio-controls .flex-1 {
    width: 100%;
    order: 10;
    margin-top: var(--space-2);
    margin-right: 0 !important;
  }

  #volumeSlider {
    width: 100%;
  }

  /* Time display */
  #currentTime,
  #duration {
    font-size: var(--text-xs);
  }

  /* Progress bar */
  .audio-progress {
    height: 4px;
    margin-bottom: var(--space-3);
  }

  /* Toast notifications position adjustment */
  .toast {
    bottom: 150px;
    /* Above audio player */
    right: var(--space-4);
    left: var(--space-4);
    max-width: calc(100% - 2 * var(--space-4));
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.text-left {
  text-align: left;
}

.mt-4 {
  margin-top: var(--space-4);
}

.mb-4 {
  margin-bottom: var(--space-4);
}

.hidden {
  display: none !important;
}

.flex {
  display: flex;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-4 {
  gap: var(--space-4);
}

/* Pagination Styles */
.pagination-container {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 1rem 0;
}

.pagination-btn {
  min-width: 40px;
  height: 40px;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-border);
  background: var(--color-bg-white);
  color: var(--color-text-dark);
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.pagination-btn:hover:not(:disabled) {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

[data-theme="dark"] .pagination-btn {
  background: var(--color-bg-secondary);
  color: var(--color-text-light);
  border-color: var(--color-border);
}

[data-theme="dark"] .pagination-btn:hover:not(:disabled) {
  background: var(--color-primary);
  color: white;
}