/* ==========================================================================
   E-Book Flipbook Reader Page Styles (ebook.css)
   ========================================================================== */

.ebook-container {
  display: flex;
  position: relative;
  max-width: 800px;
  width: 95%;
  margin: 1.5rem auto;
  gap: 1.5rem;
  flex-direction: column;
  align-items: center;
  flex: 1 0 auto;
}

.sticky-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-soft);
}

/* ===== Toolbar Container & Items ===== */
.toolbar-container {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-soft);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
}

.toolbar-inner {
  max-width: 800px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ===== Ebook Specific Buttons ===== */
.btn-primary {
  background: linear-gradient(135deg, var(--color-blue-400) 0%, var(--color-blue-600) 100%);
  color: white;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-xl);
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s var(--ease-spring);
  box-shadow: 0 4px 15px rgba(91, 155, 213, 0.3);
  text-decoration: none;
  font-size: 0.875rem;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(91, 155, 213, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-cream {
  background: linear-gradient(135deg, var(--color-cream-100) 0%, var(--color-cream-200) 100%);
  color: var(--color-blue-800);
  border: 1px solid var(--color-cream-300);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-xl);
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s var(--ease-spring);
  box-shadow: 0 4px 15px rgba(245, 230, 202, 0.4);
  text-decoration: none;
  font-size: 0.875rem;
}

.btn-cream:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(245, 230, 202, 0.6);
  background: linear-gradient(135deg, var(--color-cream-200) 0%, var(--color-cream-300) 100%);
}

.btn-cream:disabled, .btn-primary:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Specific Toolbar Buttons */
.btn-tool {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.5rem;
  background: var(--color-cream-100);
  border: 1px solid var(--color-cream-200);
  color: var(--color-blue-700);
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.875rem;
}

.btn-tool:hover {
  background: var(--color-cream-200);
  transform: scale(1.05);
}

.btn-tool.active {
  background: var(--color-blue-500);
  color: white;
  border-color: var(--color-blue-600);
  box-shadow: var(--shadow-glow);
}

.font-scale-value {
  font-size: 0.75rem;
  font-weight: bold;
  color: var(--color-blue-600);
  width: 2.2rem;
  text-align: center;
  font-family: monospace;
}

/* Divider */
.toolbar-divider {
  width: 1px;
  height: 1.5rem;
  background: rgba(91, 155, 213, 0.2);
  margin: 0 0.25rem;
}

/* ===== Progress Bar & Indicator Row ===== */
.progress-container {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.progress-bar-bg {
  flex-grow: 1;
  height: 0.375rem;
  background: var(--color-cream-200);
  border-radius: 9999px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(to right, var(--color-blue-400), var(--color-blue-600));
  width: 0%;
  border-radius: 9999px;
  transition: width 0.4s ease-out;
}

.progress-text {
  font-size: 0.75rem;
  color: var(--color-blue-500);
  font-family: monospace;
  font-weight: bold;
  white-space: nowrap;
}

/* ===== Slide Card Container ===== */
.slide-card-container {
  width: 100%;
  border-radius: var(--radius-2xl);
  padding: 1.5rem;
  transition: all 0.3s ease;
  position: relative;
  min-height: 320px;
}

@media(min-width: 640px) {
  .slide-card-container {
    border-radius: var(--radius-3xl);
    padding: 2rem;
  }
}

/* Bab Indicator Pill */
.bab-pill-container {
  text-align: center;
  margin-bottom: 1rem;
}

.bab-pill {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  background: rgba(232, 244, 253, 0.8);
  border: 1px solid rgba(91, 155, 213, 0.2);
  color: var(--color-blue-600);
  font-size: 0.75em;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  max-width: 100%;
  word-wrap: break-word;
}

/* Standard slide headings/text inside card */
.slide-title {
  font-size: 1.25em;
  font-weight: 800;
  color: var(--color-blue-900);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(245, 230, 202, 0.8);
}

@media(min-width: 640px) {
  .slide-title {
    font-size: 1.5em;
  }
}

.slide-image-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.slide-img {
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 480px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 4px 8px rgba(91, 155, 213, 0.15));
}

@media(min-width: 640px) {
  .slide-img {
    max-width: 580px;
  }
}

/* UDL content block styling inside cards */
.block-heading {
  font-size: 1.125em;
  font-weight: 700;
  color: var(--color-blue-800);
  margin-top: 1rem;
  margin-bottom: 0.5rem;
}

.block-text {
  color: rgba(22, 59, 96, 0.85);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.block-transliteration {
  text-align: center;
  color: var(--color-blue-600);
  font-style: italic;
  font-size: 0.95em;
  margin-bottom: 0.25rem;
  line-height: 1.5;
}

.block-translation {
  text-align: center;
  color: rgba(30, 79, 128, 0.7);
  font-size: 0.9em;
  margin-bottom: 1rem;
  padding: 0 1rem;
  line-height: 1.5;
}

.block-note {
  background: linear-gradient(to right, var(--color-cream-50), var(--color-cream-200));
  border-left: 4px solid var(--color-gold-400);
  border-top-right-radius: 0.75rem;
  border-bottom-right-radius: 0.75rem;
  padding: 0.75rem 1rem;
  margin: 0.75rem 0;
  font-size: 0.875em;
  color: var(--color-blue-800);
  box-shadow: var(--shadow-soft);
}

.block-list-container {
  margin: 0.75rem 0;
}

.block-list-title {
  font-weight: 700;
  color: var(--color-blue-700);
  margin-bottom: 0.5rem;
  font-size: 0.95em;
}

.block-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  list-style: none;
}

.block-list-item {
  display: flex;
  align-items: start;
  gap: 0.5rem;
  color: rgba(22, 59, 96, 0.85);
  line-height: 1.6;
}

.list-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5em;
  height: 1.5em;
  border-radius: 9999px;
  background: var(--color-blue-50);
  color: var(--color-blue-600);
  font-size: 0.75em;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.125em;
}

/* ===== Chapter Cover Slide Styling (Gradasi Premium) ===== */
.slide-card-container.cover-slide {
  background: linear-gradient(135deg, var(--color-blue-700) 0%, var(--color-blue-600) 50%, var(--color-blue-500) 100%) !important;
  color: white !important;
  border: 3.5px solid rgba(255, 255, 255, 0.75) !important;
  text-align: center;
  box-shadow: var(--shadow-elevated) !important;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 420px;
}

.cover-slide .bab-pill {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  color: white;
}

.cover-slide .slide-title {
  color: white;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.cover-slide .slide-image-wrapper .relative-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 1rem auto;
}

.cover-slide .slide-img {
  width: 180px;
  height: auto;
  border-radius: var(--radius-xl);
  filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.2));
}

@media(min-width: 640px) {
  .cover-slide .slide-img {
    width: 210px;
  }
}

.cover-slide .block-heading {
  color: white;
}

.cover-slide .block-text {
  color: rgba(255, 255, 255, 0.95);
  font-weight: 500;
  max-width: 450px;
  margin: 0 auto 0.75rem auto;
}

.cover-slide .cover-footer-text {
  padding-top: 1rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.75em;
  font-weight: 600;
}

/* ===== Sticky Navigation Bar at Bottom ===== */
.sticky-nav {
  position: sticky;
  bottom: 0;
  z-index: 40;
  width: 100%;
  padding: 0.6rem 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 -2px 15px rgba(91, 155, 213, 0.08);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
}

.nav-inner {
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.dots-container {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

@media(min-width: 640px) {
  .dots-container {
    display: flex;
  }
}

.dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 9999px;
  background: var(--color-blue-200);
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}

.dot:hover {
  background: var(--color-blue-300);
}

.dot.active {
  background: var(--color-blue-500);
  width: 1.5rem;
}

.mobile-page-pill {
  display: flex;
  align-items: center;
  background: rgba(91, 155, 213, 0.12);
  color: var(--color-blue-800);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
}

@media(min-width: 640px) {
  .mobile-page-pill {
    display: none;
  }
}

/* ===== Quiz CTA Card (Akhir E-book) ===== */
.quiz-cta-card {
  margin-top: 1.5rem;
  width: 100%;
  padding: 1.5rem;
  background: linear-gradient(135deg, var(--color-cream-100) 0%, var(--color-cream-50) 50%, #fffbe6 100%);
  border: 3.5px solid var(--color-cream-300);
  border-radius: var(--radius-2xl);
  text-align: center;
  box-shadow: var(--shadow-card);
}

.quiz-cta-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.quiz-cta-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-blue-900);
  margin-bottom: 0.5rem;
}

.quiz-cta-description {
  font-size: 0.875rem;
  color: var(--color-blue-800);
  opacity: 0.8;
  max-width: 400px;
  margin: 0 auto 1.25rem auto;
  line-height: 1.6;
}

/* ===== Sidebar Daftar Isi (TOC) ===== */
.sidebar {
  position: fixed;
  top: 0;
  right: -320px;
  width: 290px;
  height: 100vh;
  background: white;
  z-index: 1000;
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.15);
  transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

@media(min-width: 640px) {
  .sidebar {
    width: 320px;
    right: -350px;
  }
}

.sidebar.open {
  right: 0;
}

.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 41, 64, 0.3);
  backdrop-filter: blur(4px);
  z-index: 999;
  display: none;
}

.sidebar-overlay.active {
  display: block;
}

.sidebar-header {
  padding: 1.25rem;
  border-bottom: 1px solid var(--color-cream-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-cream-50);
}

.sidebar-title {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-blue-900);
}

#close-sidebar {
  background: var(--color-cream-100);
  border: 1px solid var(--color-cream-200);
  color: var(--color-blue-700);
  padding: 0.4rem 0.8rem;
  border-radius: 0.5rem;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.75rem;
  transition: all 0.2s;
}

#close-sidebar:hover {
  background: var(--color-cream-200);
}

.sidebar-content {
  flex-grow: 1;
  overflow-y: auto;
  padding: 1rem;
}

.toc-bab-section {
  margin-bottom: 1.25rem;
}

.toc-bab-title {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--color-blue-700);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  border-bottom: 1px dashed rgba(91, 155, 213, 0.3);
  padding-bottom: 0.25rem;
}

.toc-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  list-style: none;
}

.toc-btn {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-blue-800);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
}

.toc-btn:hover {
  background: var(--color-cream-100);
  color: var(--color-blue-900);
}

.toc-btn.active {
  background: var(--color-blue-50);
  color: var(--color-blue-800);
  font-weight: 700;
}

.toc-num {
  color: var(--color-blue-300);
  margin-right: 0.5rem;
  font-weight: 700;
}

.toc-btn.active .toc-num {
  color: var(--color-blue-500);
}

/* ===== TTS Active Bar ===== */
.tts-status-bar {
  background: var(--color-blue-500);
  color: white;
  font-size: 0.75rem;
  text-align: center;
  padding: 0.4rem;
  font-weight: bold;
  position: relative;
  z-index: 49;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.tts-status-bar .btn-tts-stop {
  text-decoration: underline;
  background: transparent;
  border: none;
  color: white;
  cursor: pointer;
  font-weight: 700;
}

/* ===== Arabic text inside blocks ===== */
.block-arabic {
  font-family: var(--font-arabic);
  direction: rtl;
  font-size: 1.5em;
  line-height: 2.2;
  color: var(--color-blue-800);
  text-align: center;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-xl);
  background: rgba(235, 245, 255, 0.4);
  border: 1px solid rgba(22, 59, 96, 0.08);
  margin: 0.75rem 0;
}

/* ===== Footer inside Card ===== */
.ebook-footer {
  margin-top: 1.5rem;
  width: 100%;
  max-width: 800px;
}

.ebook-footer-card {
  padding: 1.25rem;
  border-radius: var(--radius-xl);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.ebook-footer-quote {
  font-size: 0.85rem;
  color: var(--color-blue-700);
  font-style: italic;
}

.ebook-footer-divider {
  width: 3rem;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--color-blue-300), transparent);
  margin: 0.5rem auto;
}

.ebook-footer-copyright {
  font-size: 0.7rem;
  color: rgba(30, 79, 128, 0.4);
}

/* ===== Premium UI Layout Alignments & Back Links ===== */

/* ===== Desktop Controls vs Mobile controls ===== */
.desktop-controls {
  display: none;
}

@media(min-width: 640px) {
  .desktop-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
}

.mobile-controls {
  display: flex;
  align-items: center;
  position: relative;
}

@media(min-width: 640px) {
  .mobile-controls {
    display: none;
  }
}

/* Settings Dropdown Popover on Mobile */
.settings-dropdown {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 0.5rem;
  width: 14rem;
  padding: 1.25rem;
  border-radius: var(--radius-2xl);
  z-index: 101; /* elevated above backdrop */
  border: 2.5px solid var(--color-blue-200) !important;
  background: #ffffff !important; /* solid white to prevent background text bleeding through */
  box-shadow: var(--shadow-elevated) !important;
  transform-origin: top right;
}

.settings-dropdown.active {
  display: block;
  animation: popoverShow 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.settings-dropdown-header {
  font-weight: 800;
  font-size: 0.75rem;
  color: var(--color-blue-900);
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-cream-200);
  padding-bottom: 0.375rem;
  user-select: none;
}

.settings-label {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-blue-500);
  display: block;
  margin-bottom: 0.25rem;
  user-select: none;
}

.settings-row {
  margin-bottom: 0.75rem;
}

/* Switch styling for Toggle */
.switch-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  border-top: 1px solid rgba(245, 230, 202, 0.5);
  padding-top: 0.75rem;
}

.switch-label-group {
  user-select: none;
}

.switch-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-blue-800);
  display: block;
}

.switch-sublabel {
  font-size: 0.55rem;
  color: var(--color-blue-500);
  display: block;
  line-height: 1.2;
}

.switch-btn {
  width: 2.5rem;
  height: 1.5rem;
  border-radius: 9999px;
  background: var(--color-blue-200);
  border: none;
  position: relative;
  cursor: pointer;
  transition: background-color 0.2s;
  flex-shrink: 0;
}

.switch-btn.active {
  background: var(--color-blue-500);
}

.switch-circle {
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 9999px;
  background: white;
  position: absolute;
  top: 0.125rem;
  left: 0.125rem;
  transition: transform 0.2s;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.switch-btn.active .switch-circle {
  transform: translateX(1rem);
}

/* Settings Backdrop for closing popover */
.settings-backdrop {
  position: fixed;
  inset: 0;
  z-index: 99;
  display: none;
}

.settings-backdrop.active {
  display: block;
}

/* ===== Floating Background Shapes (WOW factor) ===== */
.floating-shapes {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.shape-1 {
  position: absolute;
  top: -5rem;
  right: -5rem;
  width: 16rem;
  height: 16rem;
  border-radius: 9999px;
  background: rgba(144, 196, 232, 0.15);
  animation: float 6s ease-in-out infinite;
}

.shape-2 {
  position: absolute;
  top: 33%;
  left: -4rem;
  width: 12rem;
  height: 12rem;
  border-radius: 9999px;
  background: rgba(237, 219, 179, 0.25);
  animation: float 6s ease-in-out infinite;
  animation-delay: 1s;
}

.shape-3 {
  position: absolute;
  bottom: 5rem;
  right: 2.5rem;
  width: 8rem;
  height: 8rem;
  border-radius: 9999px;
  background: rgba(197, 226, 246, 0.2);
  animation: float 6s ease-in-out infinite;
  animation-delay: 2s;
}

/* ===== Responsive Helpers ===== */
.hidden-xs {
  display: none !important;
}
.visible-xs {
  display: inline-flex !important;
}

@media(min-width: 640px) {
  .hidden-xs {
    display: inline-flex !important;
  }
  .visible-xs {
    display: none !important;
  }
}

/* ===== Lafaz Adzan List Separation ===== */
.lafaz-row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  margin-top: 0.15rem;
  margin-bottom: 0.35rem;
}

.lafaz-arabic {
  font-family: var(--font-arabic);
  font-size: 1.35em;
  line-height: 1.4;
  color: var(--color-blue-800);
  margin-bottom: 0.15rem;
}

.lafaz-latin {
  font-size: 0.85em;
  color: rgba(22, 59, 96, 0.65);
  font-style: italic;
}