/* css/styles.css */

:root {
  --bg-color: #ffffff;
  --text-color: #000000;

  --sidebar-bg: #f8f9fa;
  --sidebar-text: #333333;
  --toolbar-bg: #ffffff;
  --toolbar-border: #e0e0e0;
  --settings-bg: #ffffff;
  --settings-text: #000000;

  --btn-bg: #f1f3f4;
  --btn-text: #202124;
  --btn-hover: #e8eaed;
  --btn-active: #dadce0;

  --border-color: #dadce0;
  --link-color: #1a73e8;
  --link-hover: #0d62d9;
  --highlight-bg: rgba(26, 115, 232, 0.1);

  --shadow:
    0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
  --overlay: rgba(0, 0, 0, 0.5);

  --font-family: "Lato", system-ui, -apple-system, sans-serif;
  --font-size: 16px;
  --line-height: 1.6;
  --text-width: 800px;

  --transition-duration: 0.3s;
  --transition-timing: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-all: all var(--transition-duration) var(--transition-timing);

  --search-highlight: rgba(255, 235, 59, 0.5);
  --search-current-highlight: rgba(255, 152, 0, 0.7);

  --progress-bg: #f1f3f4;
  --progress-fill: #1a73e8;

  --hint-text-color: #d35400;
}

[data-theme="dark"] {
  --bg-color: #202124;
  --text-color: #e8eaed;

  --sidebar-bg: #303134;
  --sidebar-text: #e8eaed;
  --toolbar-bg: #202124;
  --toolbar-border: #3c4043;
  --settings-bg: #303134;
  --settings-text: #e8eaed;

  --btn-bg: #3c4043;
  --btn-text: #e8eaed;
  --btn-hover: #424548;
  --btn-active: #5f6368;

  --border-color: #5f6368;
  --link-color: #8ab4f8;
  --link-hover: #aecbfa;
  --highlight-bg: rgba(138, 180, 248, 0.2);

  --shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.6), 0 1px 3px 1px rgba(0, 0, 0, 0.3);
  --overlay: rgba(0, 0, 0, 0.7);

  --search-highlight: rgba(255, 235, 59, 0.3);
  --search-current-highlight: rgba(255, 152, 0, 0.5);

  --progress-bg: #3c4043;
  --progress-fill: #8ab4f8;

  --hint-text-color: #ffb74d;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: var(--font-size);
  height: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: var(--line-height);
  font-size: 1rem;
  margin: 0;
  height: 100vh;
  overflow: hidden;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

.main-content {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex: 1;
  height: 100%;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  background-color: var(--toolbar-bg);
  border-bottom: 1px solid var(--toolbar-border);
  position: relative;
  top: 0;
  left: 0;
  right: 0;
  z-index: 101;
  height: 3.5rem;
  flex-shrink: 0;
}

.toolbar-left,
.toolbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.toolbar-left {
  justify-content: flex-start;
}

.toolbar-right {
  justify-content: flex-end;
}

.toolbar-center {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 0;
}

.breadcrumb {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

.icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--btn-text);
  transition: background-color 0.2s;
  flex-shrink: 0;
}

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

.icon-btn:active {
  background-color: var(--btn-active);
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background-color: var(--btn-bg);
  color: var(--btn-text);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s;
  flex-shrink: 0;
}

.nav-btn:hover:not(:disabled) {
  background-color: var(--btn-hover);
  transform: translateY(-1px);
}

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

.search-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  max-width: 400px;
  width: 100%;
  justify-content: center;
}

.search-field-container {
  position: relative;
  flex: 1;
  min-width: 180px;
  max-width: 250px;
}

.search-input {
  width: 100%;
  padding: 0.25rem 1rem 0.25rem 0.375rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--btn-bg);
  color: var(--btn-text);
  font-family: inherit;
  font-size: 0.875rem;
  outline: none;
  transition: all 0.2s;
}

.search-input:focus {
  border-color: var(--link-color);
  box-shadow: 0 0 0 2px rgba(var(--link-color-rgb, 26, 115, 232), 0.2);
}

.search-input::placeholder {
  color: var(--btn-text);
  opacity: 0.6;
}

.search-input.no-results {
  border-color: #f44336;
}

.search-status {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.75rem;
  color: var(--text-color);
  opacity: 0.7;
  pointer-events: none;
  white-space: nowrap;
}

.search-nav-btn {
  padding: 0.375rem;
}

.search-highlight {
  background-color: var(--search-highlight);
  border-radius: 2px;
  padding: 0 2px;
}

img#theme-icon {
  max-width: none;
}

.search-current-highlight {
  background-color: var(--search-current-highlight);
  border-radius: 2px;
  padding: 0 2px;
  box-shadow: 0 0 0 1px rgba(255, 152, 0, 0.3);
  animation: search-pulse 1.5s infinite;
}

@keyframes search-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 300px;
  height: 100%;
  background-color: var(--sidebar-bg);
  color: var(--sidebar-text);
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}

.sidebar.open {
  transform: translateX(0);
}

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

.sidebar-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--sidebar-text);
}

.chapter-list,
.settings-content {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent !important;
}

.chapter-list::-webkit-scrollbar,
.settings-content::-webkit-scrollbar,
.lyrics-content::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.chapter-list::-webkit-scrollbar-track,
.settings-content::-webkit-scrollbar-track,
.lyrics-content::-webkit-scrollbar-track {
  background-color: transparent;
  border-radius: 4px;
}

.chapter-list::-webkit-scrollbar-thumb,
.settings-content::-webkit-scrollbar-thumb {
  background-color: var(--border-color);
  border-radius: 4px;
  min-height: 20px;
}

.chapter-list::-webkit-scrollbar-thumb:hover,
.settings-content::-webkit-scrollbar-thumb:hover {
  background-color: var(--btn-hover);
}

.chapter-item {
  display: block;
  padding: 0.75rem 1rem;
  margin-bottom: 0.25rem;
  border-radius: 0.375rem;
  text-decoration: none;
  color: var(--sidebar-text);
  transition: var(--transition-all);
  cursor: pointer;
  border-left: 3px solid transparent;
}

.chapter-item:hover {
  background-color: var(--btn-hover);
}

.chapter-item.active {
  background-color: var(--highlight-bg);
  font-weight: 600;
  border-left-color: var(--link-color);
}

.reading-area-wrapper {
  flex: 1;
  position: relative;
  z-index: 10;
  overflow: hidden;
}

.reading-area {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow-y: auto;
  scrollbar-width: auto;
  scrollbar-color: var(--border-color) transparent;
  background-color: var(--bg-color);
  color: var(--text-color);
}

.reading-area::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

.reading-area::-webkit-scrollbar-track {
  background-color: transparent;
  border-radius: 6px;
}

.reading-area::-webkit-scrollbar-thumb {
  background-color: var(--border-color);
  border-radius: 6px;
  min-height: 50px;
}

.chapter-content {
  max-width: var(--text-width);
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1rem;
  line-height: var(--line-height);
  transition: max-width var(--transition-duration) var(--transition-timing);
}

.chapter-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-color);
  line-height: 1.2;
  text-align: center;
  padding: 0 1rem;
}

.chapter-meta {
  font-size: 0.9rem;
  color: var(--text-color);
  opacity: 0.7;
  font-style: italic;
  text-align: center;
  margin-bottom: 2rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

.chapter-content p {
  text-align: justify;
  padding: 0.5rem;
  border-radius: 0.25rem;
  transition: background-color 0.2s;
}

.chapter-content p.highlightable {
  cursor: pointer;
}

.chapter-content p.highlighted {
  background-color: var(--highlight-bg);
  cursor: pointer;
}

.chapter-content h2 {
  text-align: center;
  margin: 0.5rem 0;
  padding: 0.5rem;
}

.chapter-content blockquote {
  position: relative;
  padding: 1.5rem 1.5rem 1.5rem 3rem;
  margin: 1.5rem 0;
  font-style: italic;
  background-color: var(--highlight-bg);
  border-left: 4px solid var(--link-color);
  border-radius: 0 0.5rem 0.5rem 0;
}

.chapter-content blockquote::before {
  content: "❝";
  position: absolute;
  left: 0.75rem;
  top: 0.5rem;
  font-size: 1.8em;
  color: var(--link-color);
  opacity: 0.5;
}

.chapter-navigation {
  display: flex;
  justify-content: space-between;
  padding: 1rem;
  background-color: var(--toolbar-bg);
  border-top: 1px solid var(--toolbar-border);
  flex-shrink: 0;
}

.settings-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  height: 100%;
  background-color: var(--settings-bg);
  border-left: 1px solid var(--border-color);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}

.settings-panel.open {
  transform: translateX(0);
}

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

.settings-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--settings-text);
}

.settings-content {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  color: var(--settings-text);
}

.settings-group {
  margin-bottom: 2rem;
}

.settings-group h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--settings-text);
  opacity: 0.8;
}

.settings-select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 0.375rem;
  background-color: var(--btn-bg);
  color: var(--text-color);
  font-family: inherit;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition-all);
}

.settings-select:focus {
  outline: none;
  border-color: var(--link-color);
  box-shadow: 0 0 0 2px rgba(var(--link-color-rgb, 26, 115, 232), 0.2);
}

.settings-slider {
  width: 100%;
  height: 0.375rem;
  background: var(--btn-bg);
  border-radius: 0.1875rem;
  outline: none;
  margin: 0.5rem 0;
  -webkit-appearance: none;
  appearance: none;
}

.settings-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--link-color);
  cursor: pointer;
  border: 2px solid var(--bg-color);
}

.settings-slider::-moz-range-thumb {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--link-color);
  cursor: pointer;
  border: 2px solid var(--bg-color);
}

.font-size-control label,
.width-control label,
.line-height-control label {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  color: var(--settings-text);
}

.font-size-control {
  margin-top: 1rem;
}

.color-controls {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.color-control {
  flex: 1;
}

.color-control label {
  display: block;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  color: var(--settings-text);
}

.color-picker-btn {
  width: 100%;
  height: 2.5rem;
  border: 1px solid var(--border-color);
  border-radius: 0.375rem;
  background-color: var(--bg-color);
  cursor: pointer;
  overflow: hidden;
  transition: var(--transition-all);
}

.color-picker-btn:hover {
  border-color: var(--link-color);
}

.color-preview {
  width: 100%;
  height: 100%;
  border-radius: 0.25rem;
}

.lyrics-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  height: 100%;
  background-color: var(--settings-bg);
  border-left: 1px solid var(--border-color);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}

.lyrics-panel.open {
  transform: translateX(0);
}

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

.lyrics-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--settings-text);
}

.close-lyrics-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--settings-text);
  font-size: 1.5rem;
  padding: 0.25rem;
  border-radius: 50%;
}

.close-lyrics-btn:hover {
  background-color: var(--btn-hover);
}

.lyrics-content {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  color: var(--settings-text);
  white-space: pre-line;
  font-family: var(--font-family);
  line-height: 1.5;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent !important;
}

.theme-switcher {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.mobile-theme-switcher {
  display: none;
  align-items: center;
  margin-left: auto;
  margin-right: 0.5rem;
}

.theme-presets {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.theme-preset-btn {
  flex: 1;
  padding: 0.5rem;
  border-radius: 0.375rem;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition-all);
  border: 1px solid var(--border-color);
  background-color: var(--btn-bg);
  color: var(--btn-text);
}

.theme-preset-btn:hover {
  background-color: var(--btn-hover);
}

.theme-preset-btn.active {
  background-color: var(--link-color);
  color: white;
  border-color: var(--link-color);
}

.theme-icon-svg {
  fill: currentColor;
  transition: fill 0.3s ease;
}

.theme-icon {
  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
}

#theme-icon .theme-icon {
  display: none;
}

#theme-icon.show-moon #moon-icon {
  display: block;
}

#theme-icon.show-moon #sun-icon {
  display: none;
}

#theme-icon.show-sun #moon-icon {
  display: none;
}

#theme-icon.show-sun #sun-icon {
  display: block;
}

.audio-toggle-btn {
  margin-right: 0.5rem;
}

.audio-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  width: 800px;
  max-width: 90vw;
  background: var(--settings-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow);
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.audio-dropdown.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.audio-dropdown-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.audio-dropdown-header h4 {
  margin: 0;
  font-size: 1rem;
  color: var(--text-color);
}

.audio-dropdown-content {
  padding: 1rem;
}

.no-audio-message {
  text-align: center;
  padding: 2rem;
  color: var(--text-color);
  opacity: 0.7;
}

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

.audio-player-left {
  flex-shrink: 0;
}

.audio-player-center {
  flex: 1;
  min-width: 0;
}

.audio-player-right {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.audio-track-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.audio-track-title {
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-color);
}

.audio-time-display {
  font-variant-numeric: tabular-nums;
  color: var(--text-color);
  opacity: 0.7;
  font-size: 0.8125rem;
  flex-shrink: 0;
  margin-left: 0.5rem;
}

.audio-progress-container {
  height: 8px;
  background: var(--progress-bg);
  border-radius: 4px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease;
}

.audio-progress-container:hover {
  transform: scaleY(1.2);
}

.audio-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--progress-fill);
  border-radius: 4px;
  transition: width 0.1s linear;
}

.audio-volume-container {
  width: 60px;
  height: 6px;
  background: var(--progress-bg);
  border-radius: 3px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease;
}

.audio-volume-container:hover {
  transform: scaleY(1.2);
}

.audio-volume-slider {
  height: 100%;
  width: 70%;
  background: var(--progress-fill);
  border-radius: 3px;
  transition: width 0.1s linear;
}

.audio-nav-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
}

.audio-nav-controls h4 {
  margin: 0;
  flex: 1;
  text-align: center;
}

.audio-prev-btn,
.audio-next-btn {
  padding: 0.25rem;
}

.line-height-presets {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.line-height-preset-btn {
  flex: 1;
  min-width: 80px;
  padding: 0.5rem;
  border-radius: 0.375rem;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 500;
  transition: var(--transition-all);
  border: 1px solid var(--border-color);
  background-color: var(--btn-bg);
  color: var(--btn-text);
  text-align: center;
}

.line-height-preset-btn:hover {
  background-color: var(--btn-hover);
}

.line-height-preset-btn.active {
  background-color: var(--link-color);
  color: var(--bg-color);
  border-color: var(--link-color);
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--overlay);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
}

.overlay.visible {
  opacity: 1;
  visibility: visible;
}

.media-container,
.audio-player-container,
.custom-audio-player {
  margin: 1.5rem auto;
  max-width: 600px;
}

.media-image {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 0.5rem;
  box-shadow: var(--shadow);
  margin: 0 auto;
}

.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  min-height: 300px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--link-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 1rem;
}

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

.error-chapter,
.placeholder-chapter {
  text-align: center;
  padding: 2rem;
}

.error-content {
  margin-top: 2rem;
}

.error-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 1.5rem;
}

.error-btn {
  padding: 0.75rem 1.5rem;
  background-color: var(--btn-bg);
  color: var(--btn-text);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.875rem;
}

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

.reading-progress-container {
  display: flex;
  align-items: center;
  position: relative;
  width: 200px;
  height: 100%;
  flex-shrink: 0;
}

.reading-progress-indicator {
  --progress-width: 0%;
  width: 100%;
  height: 100%;
  background-color: var(--progress-bg);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.reading-progress-indicator::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: var(--progress-width);
  background-color: var(--progress-fill);
  border-radius: 4px;
  transition: width 0.1s ease;
  z-index: 1;
}

.reading-progress-text {
  position: relative;
  z-index: 2;
  color: var(--sidebar-text);
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  padding: 0 8px;
  text-shadow: 0 1px 2px rgba(var(--progress-bg), 0.5);
  user-select: none;
  pointer-events: none;
  text-align: center;
}

code,
pre {
  font-family: "SourceCodePro", "Monaco", "Consolas", monospace;
  background-color: var(--btn-bg);
  padding: 0.2rem 0.4rem;
  border-radius: 0.25rem;
  font-size: 0.875rem;
}

pre {
  padding: 1rem;
  overflow-x: auto;
  margin: 1rem 0;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
}

u[data-hint] {
  text-decoration: underline dashed var(--hint-text-color) 1px;
  text-underline-offset: 3px;
  cursor: help;
  position: relative;
  color: var(--hint-text-color);
}

u[data-hint]:hover {
  color: var(--hint-text-color);
}

.dynamic-hint-tooltip {
  position: absolute !important;
  z-index: 1000 !important;
  background: var(--sidebar-bg) !important;
  color: var(--sidebar-text) !important;
  padding: 0.25rem 0.5rem !important;
  border-radius: 0.25rem !important;
  font-size: 0.8rem !important;
  font-style: normal !important;
  box-shadow: var(--shadow) !important;
  border: 1px solid var(--border-color) !important;
  pointer-events: none;
}

.age-gate-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.age-gate-content {
  background-color: var(
    --bg-color,
    white
  );
  color: var(--text-color, black);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  max-width: 50vw;
  max-height: 90vh;
  overflow-y: auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.age-gate-content h2 {
  margin: 0 0 1rem 0;
  font-size: 1.5rem;
  font-weight: bold;
}

.age-gate-content p {
  margin: 0 0 1.5rem 0;
  line-height: 1.5;
  flex-grow: 1;
}

.age-gate-buttons {
  display: flex;
  flex-direction: row;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  align-self: flex-end;
}

.age-gate-btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition:
    background-color 0.2s,
    transform 0.1s;
}

.accept-btn {
  background-color: #4caf50;
  color: white;
}

.accept-btn:hover {
  background-color: #45a049;
  transform: translateY(-2px);
}

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

.decline-btn {
  background-color: #f44336;
  color: white;
}

.decline-btn:hover {
  background-color: #da190b;
  transform: translateY(-2px);
}

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

@media (max-width: 768px) {
  .sidebar {
    width: 100%;
  }

  .settings-panel {
    width: 100%;
  }

  .toolbar-left,
  .toolbar-right {
    gap: 0.5rem;
  }

  .breadcrumb {
    max-width: 150px;
  }

  .chapter-content {
    padding: 1rem;
  }

  .chapter-navigation {
    flex-direction: column;
    gap: 0.5rem;
    padding-bottom: 5rem;
  }

  .reading-progress-container {
    width: 100px;
  }

  .error-actions {
    flex-direction: column;
    align-items: center;
  }

  .error-btn {
    width: 100%;
    max-width: 300px;
  }

  .chapter-content {
    padding: 0.75rem 0.25rem;
  }

  .breadcrumb {
    display: none;
  }

  .search-controls {
    display: none;
  }

  .reading-progress-label {
    display: none;
  }

  .theme-switcher {
    display: none !important;
  }

  .mobile-theme-switcher {
    display: flex;
  }

  .audio-dropdown {
    position: fixed;
    top: 3.5rem;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100%;
    border-radius: 0 0 12px 12px;
    transform: none;
  }

  .audio-dropdown.open {
    transform: translateY(0);
  }

  .audio-dropdown-header,
  .audio-dropdown-content {
    padding: 0.5rem;
  }

  .audio-play-btn {
    padding: 0.25rem;
  }

  .audio-player-right {
    display: none;
  }

  .audio-player-row {
    gap: 0.25rem;
  }

  .age-gate-content {
    max-width: 100vw;
    max-height: 100vh;
    border-radius: 0;
  }

  .age-gate-buttons {
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media (min-width: 769px) {
  .mobile-theme-switcher {
    display: none !important;
  }

  .desktop-only {
    display: flex !important;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .search-field-container {
    min-width: 150px;
    max-width: 200px;
  }

  .reading-progress-container {
    width: 150px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .toolbar,
  .sidebar,
  .settings-panel,
  .overlay,
  .chapter-navigation {
    display: none !important;
  }

  .main-content {
    height: auto;
    overflow: visible;
  }

  .reading-area-wrapper {
    overflow: visible;
  }

  .reading-area {
    position: static;
    overflow: visible;
  }

  .chapter-content {
    max-width: 100%;
    padding: 0;
  }

  body {
    background-color: white !important;
    color: black !important;
    height: auto;
    overflow: visible;
  }
}