:root {
  --quran-font: 'Cairo', sans-serif;
  --quran-primary: #1b5e20;
  --quran-primary-light: #2e7d32;
  --quran-gold: #c9a94e;
  --quran-gold-light: #e5c158;
  --quran-card-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  --quran-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== READER CONTAINER ===== */
.quran-reader-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  padding-top: calc(72px + 1.5rem);
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* ===== TOP BAR ===== */
.quran-top-bar {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 16px;
  padding: 1rem 1.5rem;
  box-shadow: var(--quran-card-shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
  z-index: 10;
}

.quran-top-bar .nav-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.quran-top-bar select,
.quran-top-bar input {
  border-radius: 10px;
  border: 1px solid #cbd5e1;
  padding: 0.5rem 1rem;
  font-weight: 600;
  font-size: 0.9rem;
  background-color: #fff;
  color: #1e293b;
  outline: none;
  transition: var(--quran-transition);
}

.quran-top-bar select:focus,
.quran-top-bar input:focus {
  border-color: var(--quran-primary-light);
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.15);
}

/* ===== HORIZONTAL NAV ===== */
.quran-horizontal-nav {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 16px;
  box-shadow: var(--quran-card-shadow);
  margin-bottom: 0.75rem;
  overflow: hidden;
  z-index: 10;
}

.horiz-tabs {
  display: flex;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  background: rgba(0, 0, 0, 0.02);
}

.horiz-tab {
  flex: 1;
  border: none;
  background: transparent;
  padding: 0.75rem 1rem;
  font-weight: 700;
  font-size: 0.9rem;
  color: #64748b;
  cursor: pointer;
  transition: var(--quran-transition);
  text-align: center;
  font-family: 'Cairo', sans-serif;
}

.horiz-tab.active {
  color: var(--quran-primary-light);
  border-bottom: 3px solid var(--quran-primary-light);
  background: #fff;
}

.horiz-content {
  padding: 0.5rem;
}

.horiz-scroll {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.25rem 0.5rem;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

.horiz-scroll::-webkit-scrollbar { height: 4px; }
.horiz-scroll::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }

.hlist-item {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.6rem 1rem;
  border-radius: 12px;
  color: #334155;
  font-weight: 600;
  font-size: 0.85rem;
  transition: var(--quran-transition);
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  min-width: 80px;
  text-align: center;
  font-family: 'Cairo', sans-serif;
}

.hlist-item:hover {
  background: rgba(46, 125, 50, 0.08);
  color: var(--quran-primary-light);
  border-color: rgba(46, 125, 50, 0.2);
}

.hlist-item.active {
  background: var(--quran-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(46, 125, 50, 0.25);
}

.hlist-name { font-size: 0.95rem; }
.hlist-ayahs { font-size: 0.7rem; color: #94a3b8; }
.hlist-item.active .hlist-ayahs { color: rgba(255,255,255,0.7); }
.hlist-note { font-size: 0.7rem; color: #94a3b8; margin-top: 0.1rem; }

/* ===== READING ARENA ===== */
.quran-reading-arena {
  flex: 1;
  display: flex;
  position: relative;
}

.mushaf-viewport {
  flex: 1;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 20px;
  box-shadow: var(--quran-card-shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 1.5rem;
  min-height: 60vh;
  overflow: hidden;
}

.mushaf-page-wrapper {
  max-width: 100%;
  max-height: 82vh;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
  border-radius: 12px;
  background: #fdfdfd;
  border: 8px solid #f1ece1;
  overflow: hidden;
  transition: var(--quran-transition);
}

.mushaf-page-wrapper img {
  max-width: 100%;
  height: auto;
  max-height: 78vh;
  object-fit: contain;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
  transition: transform 0.3s ease;
}

/* Navigation Arrows */
.mushaf-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: 50%;
  color: #475569;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: var(--quran-transition);
  z-index: 5;
}

.mushaf-nav-btn:hover {
  background: var(--quran-primary-light);
  color: #fff;
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 6px 20px rgba(46, 125, 50, 0.3);
}

.mushaf-nav-btn.btn-prev { right: 20px; }
.mushaf-nav-btn.btn-next { left: 20px; }

.mushaf-page-indicator {
  position: absolute;
  bottom: 20px;
  background: rgba(30, 41, 59, 0.8);
  backdrop-filter: blur(8px);
  color: #fff;
  padding: 0.5rem 1.5rem;
  border-radius: 30px;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 5;
  direction: rtl;
}

/* ===== AUDIO DECK ===== */
.quran-audio-deck {
  background: rgba(27, 94, 32, 0.9);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 1.25rem 2rem;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
  color: #fff;
  z-index: 10;
}

.quran-audio-deck .player-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.quran-audio-deck .player-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--quran-gold-light);
}

.quran-audio-deck .player-details h5 {
  margin: 0;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
}

.quran-audio-deck .player-details p {
  margin: 0;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
}

.quran-audio-deck .player-controls {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.quran-audio-deck .play-btn {
  width: 50px;
  height: 50px;
  background: #fff;
  border: none;
  border-radius: 50%;
  color: var(--quran-primary);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  transition: var(--quran-transition);
}

.quran-audio-deck .play-btn:hover {
  transform: scale(1.1);
  color: var(--quran-primary-light);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.4);
}

.quran-audio-deck .download-btn {
  width: 50px;
  height: 50px;
  background: var(--quran-primary);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  transition: var(--quran-transition);
}

.quran-audio-deck .download-btn:hover {
  transform: scale(1.1);
  background: var(--quran-primary-light);
  color: #fff;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}


.quran-audio-deck .deck-select {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  border-radius: 10px;
  padding: 0.5rem 1rem;
  font-weight: 600;
  outline: none;
}

.quran-audio-deck .deck-select option {
  background: var(--quran-primary);
  color: #fff;
}

/* ===== FOOTER ===== */
.quran-footer {
  background: #111827;
  color: rgba(255,255,255,0.7);
  padding: 1.5rem 2rem;
  margin-top: auto;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  transition: var(--quran-transition);
}

.footer-links a:hover { color: #fff; }

.footer-copy {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}

/* ===== BOOKMARK MODAL ===== */
.bookmark-popup-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 15px 50px rgba(0,0,0,0.25);
  z-index: 2000;
  width: 90%;
  max-width: 450px;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--quran-transition);
}

.bookmark-popup-modal.show {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  visibility: visible;
}

.modal-backdrop-custom {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: var(--quran-transition);
}

.modal-backdrop-custom.show {
  opacity: 1;
  visibility: visible;
}

/* ===== DARK MODE ===== */
body.dark-mode {
  background: linear-gradient(135deg, #090d16 0%, #0d2516 50%, #090d16 100%);
  color: #cbd5e1;
}

body.dark-mode .quran-top-bar,
body.dark-mode .quran-horizontal-nav,
body.dark-mode .mushaf-viewport {
  background: rgba(30, 41, 59, 0.85);
  border-color: rgba(255, 255, 255, 0.05);
}

body.dark-mode .quran-top-bar select,
body.dark-mode .quran-top-bar input {
  background-color: #1e293b;
  border-color: #475569;
  color: #f1f5f9;
}

body.dark-mode .mushaf-page-wrapper {
  border-color: #2a2015;
  background: #1a1a1a;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

body.dark-mode .mushaf-page-wrapper img {
  filter: invert(0.9) hue-rotate(180deg);
}

body.dark-mode .hlist-item {
  background: rgba(255,255,255,0.05);
  color: #cbd5e1;
}

body.dark-mode .hlist-item:hover {
  background: rgba(46, 125, 50, 0.2);
}

body.dark-mode .horiz-tab.active {
  background: #1e293b;
  color: var(--quran-gold-light);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .quran-header { padding: 0 1rem; }
  .header-logo span { font-size: 1rem; }

  .quran-reader-container { padding: 0.75rem; }

  .quran-top-bar {
    padding: 0.75rem 1rem;
    flex-direction: column;
    align-items: stretch;
  }

  .mushaf-viewport {
    padding: 1rem 0.5rem;
    min-height: 50vh;
  }

  .mushaf-nav-btn {
    width: 44px;
    height: 44px;
    font-size: 1.25rem;
  }

  .mushaf-nav-btn.btn-prev { right: 8px; }
  .mushaf-nav-btn.btn-next { left: 8px; }

  .quran-audio-deck {
    padding: 1rem;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .quran-footer { padding: 1rem; }
  .footer-inner { flex-direction: column; text-align: center; }
}