/**
 * Relatia Reader - Main layout, fullscreen, responsive, pagination.
 */

/* ============================================================
   CSS Custom Properties (defaults)
   ============================================================ */
.relatia-reader {
  --reader-font-size: 18px;
  --reader-letter-spacing: 0px;
  --reader-line-height: 1.8;
  --reader-content-max-width: 800px;
  --reader-toolbar-height: 50px;
  --reader-nav-height: 50px;
  --reader-gap: 40px;

  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 1200px;
  height: 100vh;
  height: 100dvh;
  margin: 0 auto;
  font-size: var(--reader-font-size);
  letter-spacing: var(--reader-letter-spacing);
  line-height: var(--reader-line-height);
  border: 1px solid #ddd;
  border-radius: 8px;
  overflow: hidden;
  box-sizing: border-box;
}

/* ============================================================
   Toolbar (top bar)
   ============================================================ */
.relatia-reader-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  border-bottom: 1px solid #e0e0e0;
  min-height: var(--reader-toolbar-height);
  flex-shrink: 0;
  gap: 12px;
}

.relatia-reader-toolbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 1;
}

.relatia-reader-book-title {
  font-weight: 700;
  font-size: 0.9em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.relatia-reader-chapter-title {
  font-size: 0.85em;
  opacity: 0.7;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.relatia-reader-toolbar-right {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

/* ============================================================
   Buttons
   ============================================================ */
.relatia-reader-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-size: 0.85em;
  transition: background-color 0.15s, opacity 0.15s;
  white-space: nowrap;
}

.relatia-reader-btn:hover {
  background: rgba(0, 0, 0, 0.06);
}

.relatia-reader-btn:focus-visible {
  outline: 2px solid var(--relatia-color-main, #4a90d9);
  outline-offset: 2px;
}

.relatia-reader-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.relatia-reader-btn .material-icons-outlined {
  font-size: 20px;
}

.relatia-reader-btn-label {
  display: none;
}

.relatia-reader-btn.active {
  background: rgba(0, 0, 0, 0.08);
}

/* PDF dropdown */
.relatia-reader-pdf-wrap {
  position: relative;
  display: inline-flex;
}

.relatia-reader-pdf-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  z-index: 100;
  min-width: 160px;
  padding: 4px;
  overflow: hidden;
  display: none;
}

.relatia-reader-pdf-option {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 12px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: #27272a;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}

.relatia-reader-pdf-option:hover {
  background: rgba(0, 0, 0, 0.05);
}

.relatia-reader-pdf-option .material-icons-outlined {
  font-size: 18px;
  color: #71717a;
}

[data-theme="dark"] .relatia-reader-pdf-menu {
  background: #1e1e2e;
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .relatia-reader-pdf-option {
  color: #e4e4e7;
}

[data-theme="dark"] .relatia-reader-pdf-option:hover {
  background: rgba(255, 255, 255, 0.08);
}

/* Resources dropdown */
.relatia-reader-resources-wrap {
  position: relative;
  display: inline-flex;
}

.relatia-reader-resources-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  z-index: 100;
  min-width: 170px;
  padding: 4px;
  overflow: hidden;
  display: none;
}

.relatia-reader-resources-option {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 12px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: #27272a;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
  text-decoration: none;
}

.relatia-reader-resources-option:hover {
  background: rgba(0, 0, 0, 0.05);
}

.relatia-reader-resources-option .material-icons-outlined {
  font-size: 18px;
  color: #71717a;
}

[data-theme="dark"] .relatia-reader-resources-menu {
  background: #1e1e2e;
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .relatia-reader-resources-option {
  color: #e4e4e7;
}

[data-theme="dark"] .relatia-reader-resources-option:hover {
  background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .relatia-reader-pdf-option .material-icons-outlined {
  color: #a1a1aa;
}

/* ============================================================
   Config Panel
   ============================================================ */
.relatia-reader-config-panel {
  padding: 16px 20px;
  border-bottom: 1px solid #e0e0e0;
  display: none;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-items: center;
}

.relatia-reader-config-panel.is-open {
  display: flex;
}

.relatia-reader-config-group {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85em;
}

.relatia-reader-config-group label {
  white-space: nowrap;
  font-weight: 500;
}

.relatia-reader-config-label {
  white-space: nowrap;
  font-weight: 500;
}

.relatia-reader-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 120px;
  height: 4px;
  border-radius: 2px;
  background: rgba(128, 128, 128, 0.3);
  outline: none;
  cursor: pointer;
}

.relatia-reader-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #888;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
}

.relatia-reader-slider::-webkit-slider-thumb:hover {
  background: #666;
}

.relatia-reader-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #888;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
}

.relatia-reader-slider::-moz-range-thumb:hover {
  background: #666;
}

.relatia-reader-slider::-moz-range-track {
  height: 4px;
  border-radius: 2px;
  background: rgba(128, 128, 128, 0.3);
}

.relatia-reader-slider-value {
  min-width: 36px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-size: 0.85em;
  opacity: 0.7;
}

.relatia-reader-select {
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid #ccc;
  font-size: 0.9em;
}

/* Toggle switch */
.relatia-reader-toggle-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.9em;
  font-weight: 500;
}

.relatia-reader-toggle {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  flex-shrink: 0;
  vertical-align: middle;
}

.relatia-reader-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.relatia-reader-toggle-track {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 10px;
  background: rgba(128, 128, 128, 0.3);
  cursor: pointer;
  transition: background 0.2s;
}

.relatia-reader-toggle-track::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #888;
  transition: transform 0.2s, background 0.2s;
}

.relatia-reader-toggle input:checked + .relatia-reader-toggle-track {
  background: rgba(128, 128, 128, 0.5);
}

.relatia-reader-toggle input:checked + .relatia-reader-toggle-track::after {
  transform: translateX(16px);
  background: #555;
}

/* Config hint text */
.relatia-reader-config-hint {
  font-size: 0.75em;
  opacity: 0.6;
  margin-top: 2px;
}

/* Reset button */
.relatia-reader-btn-reset {
  margin-left: auto;
  opacity: 0.5;
  transition: opacity 0.15s;
}

.relatia-reader-btn-reset:hover {
  opacity: 1;
}

/* Theme preview buttons */
.relatia-reader-theme-buttons {
  display: flex;
  gap: 6px;
}

.relatia-reader-theme-btn {
  width: 32px;
  height: 32px;
  border: 2px solid transparent;
  border-radius: 50%;
  cursor: pointer;
  padding: 2px;
  background: none;
  outline: none;
  transition: border-color 0.15s;
}

.relatia-reader-theme-btn.active,
.relatia-reader-theme-btn:focus-visible {
  border-color: var(--relatia-color-main, #4a90d9);
}

.relatia-reader-theme-preview {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
}

.relatia-reader-theme-preview-light {
  background: #fff;
  border: 1px solid #ddd;
}

.relatia-reader-theme-preview-sepia {
  background: #f4ecd8;
  border: 1px solid #d4c9a8;
}

.relatia-reader-theme-preview-dark {
  background: #1e1e1e;
  border: 1px solid #444;
}

.relatia-reader-theme-preview-high-contrast {
  background: #000;
  border: 1px solid #fff;
}

/* ============================================================
   Page Container & Content (pagination engine)
   ============================================================ */
.relatia-reader-page-container {
  flex: 1;
  overflow: hidden;
  position: relative;
  min-height: 400px;
  padding: 0;
}

.relatia-reader-content {
  -webkit-column-fill: auto;
  column-fill: auto;
  -webkit-column-gap: var(--reader-gap);
  column-gap: var(--reader-gap);
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 24px 32px;
  box-sizing: border-box;
  transition: transform 0.3s ease;
}

.relatia-reader[data-columns="1"] .relatia-reader-content {
  -webkit-column-count: 1;
  column-count: 1;
}

.relatia-reader[data-columns="2"] .relatia-reader-content {
  -webkit-column-count: 2;
  column-count: 2;
}

.relatia-reader-content p {
  margin: 0 0 1em;
  orphans: 2;
  widows: 2;
}

.relatia-reader-content h1,
.relatia-reader-content h2,
.relatia-reader-content h3,
.relatia-reader-content h4,
.relatia-reader-content h5,
.relatia-reader-content h6 {
  break-after: avoid;
  margin-top: 1.2em;
  margin-bottom: 0.6em;
}

.relatia-reader-content img {
  max-width: 100%;
  height: auto;
  break-inside: avoid;
}

.relatia-reader-loading {
  text-align: center;
  padding: 40px;
  opacity: 0.6;
  font-style: italic;
}

/* ============================================================
   Bottom Navigation Bar
   ============================================================ */
.relatia-reader-nav-bottom {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-top: 1px solid #e0e0e0;
  min-height: var(--reader-nav-height);
  flex-shrink: 0;
}

/* Fallback spacing for iOS < 14.5 where flex gap is unsupported */
.relatia-reader-nav-bottom > * + * {
  margin-left: 8px;
}

@supports (gap: 8px) {
  .relatia-reader-nav-bottom > * + * {
    margin-left: 0;
  }
}

.relatia-reader-nav-pages,
.relatia-reader-nav-chapters {
  display: flex;
  align-items: center;
  gap: 8px;
}

.relatia-reader-nav-pages > * + *,
.relatia-reader-nav-chapters > * + * {
  margin-left: 8px;
}

@supports (gap: 8px) {
  .relatia-reader-nav-pages > * + *,
  .relatia-reader-nav-chapters > * + * {
    margin-left: 0;
  }
}

.relatia-reader-chapter-info {
  font-size: 0.8em;
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
  padding: 2px 10px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.06);
  font-variant-numeric: tabular-nums;
}

.relatia-reader-page-info {
  font-size: 0.85em;
  min-width: 100px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.relatia-reader-columns-select {
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid #ccc;
  font-size: 0.8em;
  margin-left: 12px;
}

/* ============================================================
   Side Navigation Arrows
   ============================================================ */
.relatia-reader-side-prev,
.relatia-reader-side-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 72px;
  border: none;
  background: rgba(0, 0, 0, 0.04);
  color: #666;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s, opacity 0.2s;
  opacity: 0;
  padding: 0;
}

.relatia-reader-page-container:hover .relatia-reader-side-prev,
.relatia-reader-page-container:hover .relatia-reader-side-next {
  opacity: 1;
}

.relatia-reader-side-prev:hover,
.relatia-reader-side-next:hover {
  background: rgba(0, 0, 0, 0.1);
  color: #333;
}

.relatia-reader-side-prev:disabled,
.relatia-reader-side-next:disabled {
  opacity: 0 !important;
  cursor: default;
}

.relatia-reader-side-prev {
  left: 0;
  border-radius: 0 6px 6px 0;
}

.relatia-reader-side-next {
  right: 0;
  border-radius: 6px 0 0 6px;
}

.relatia-reader-side-prev .material-icons-outlined,
.relatia-reader-side-next .material-icons-outlined {
  font-size: 28px;
}

/* Side arrows theme adjustments */
.relatia-reader[data-theme="dark"] .relatia-reader-side-prev,
.relatia-reader[data-theme="dark"] .relatia-reader-side-next {
  background: rgba(255, 255, 255, 0.06);
  color: #aaa;
}

.relatia-reader[data-theme="dark"] .relatia-reader-side-prev:hover,
.relatia-reader[data-theme="dark"] .relatia-reader-side-next:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ddd;
}

.relatia-reader[data-theme="sepia"] .relatia-reader-side-prev,
.relatia-reader[data-theme="sepia"] .relatia-reader-side-next {
  background: rgba(91, 70, 54, 0.06);
  color: #8b7355;
}

.relatia-reader[data-theme="sepia"] .relatia-reader-side-prev:hover,
.relatia-reader[data-theme="sepia"] .relatia-reader-side-next:hover {
  background: rgba(91, 70, 54, 0.12);
  color: #5b4636;
}

.relatia-reader[data-theme="high-contrast"] .relatia-reader-side-prev,
.relatia-reader[data-theme="high-contrast"] .relatia-reader-side-next {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.relatia-reader[data-theme="high-contrast"] .relatia-reader-side-prev:hover,
.relatia-reader[data-theme="high-contrast"] .relatia-reader-side-next:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Slider & toggle theme adjustments */
.relatia-reader[data-theme="dark"] .relatia-reader-slider,
.relatia-reader[data-theme="high-contrast"] .relatia-reader-slider {
  background: rgba(255, 255, 255, 0.15);
}

.relatia-reader[data-theme="dark"] .relatia-reader-slider::-webkit-slider-thumb,
.relatia-reader[data-theme="high-contrast"] .relatia-reader-slider::-webkit-slider-thumb {
  background: #aaa;
}

.relatia-reader[data-theme="dark"] .relatia-reader-slider::-moz-range-thumb,
.relatia-reader[data-theme="high-contrast"] .relatia-reader-slider::-moz-range-thumb {
  background: #aaa;
}

.relatia-reader[data-theme="dark"] .relatia-reader-slider::-moz-range-track,
.relatia-reader[data-theme="high-contrast"] .relatia-reader-slider::-moz-range-track {
  background: rgba(255, 255, 255, 0.15);
}

.relatia-reader[data-theme="dark"] .relatia-reader-toggle-track,
.relatia-reader[data-theme="high-contrast"] .relatia-reader-toggle-track {
  background: rgba(255, 255, 255, 0.15);
}

.relatia-reader[data-theme="dark"] .relatia-reader-toggle-track::after,
.relatia-reader[data-theme="high-contrast"] .relatia-reader-toggle-track::after {
  background: #aaa;
}

.relatia-reader[data-theme="dark"] .relatia-reader-toggle input:checked + .relatia-reader-toggle-track,
.relatia-reader[data-theme="high-contrast"] .relatia-reader-toggle input:checked + .relatia-reader-toggle-track {
  background: rgba(255, 255, 255, 0.3);
}

.relatia-reader[data-theme="dark"] .relatia-reader-toggle input:checked + .relatia-reader-toggle-track::after,
.relatia-reader[data-theme="high-contrast"] .relatia-reader-toggle input:checked + .relatia-reader-toggle-track::after {
  background: #ccc;
}

.relatia-reader[data-theme="sepia"] .relatia-reader-slider {
  background: rgba(91, 70, 54, 0.15);
}

.relatia-reader[data-theme="sepia"] .relatia-reader-slider::-webkit-slider-thumb {
  background: #8b7355;
}

.relatia-reader[data-theme="sepia"] .relatia-reader-slider::-moz-range-thumb {
  background: #8b7355;
}

.relatia-reader[data-theme="sepia"] .relatia-reader-slider::-moz-range-track {
  background: rgba(91, 70, 54, 0.15);
}

.relatia-reader[data-theme="sepia"] .relatia-reader-toggle-track {
  background: rgba(91, 70, 54, 0.15);
}

.relatia-reader[data-theme="sepia"] .relatia-reader-toggle-track::after {
  background: #8b7355;
}

.relatia-reader[data-theme="sepia"] .relatia-reader-toggle input:checked + .relatia-reader-toggle-track {
  background: rgba(91, 70, 54, 0.3);
}

.relatia-reader[data-theme="sepia"] .relatia-reader-toggle input:checked + .relatia-reader-toggle-track::after {
  background: #5b4636;
}

/* ============================================================
   Login Required / Error
   ============================================================ */
.relatia-reader-login-required,
.relatia-reader-error {
  padding: 20px;
  text-align: center;
  color: #666;
  font-style: italic;
}

/* ============================================================
   Fullscreen Mode
   ============================================================ */
.relatia-reader-fullscreen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  max-width: none;
  border-radius: 0;
  border: none;
  z-index: 999999;
}

.relatia-reader-fullscreen .relatia-reader-page-container {
  flex: 1;
  min-height: 0;
}

/* ============================================================
   Scroll Mode (iOS viewport fix)
   ============================================================ */
.relatia-reader--scroll-mode {
  overflow-y: auto;
}

.relatia-reader--scroll-mode .relatia-reader-page-container {
  overflow-y: auto;
}

/* ============================================================
   Reduced Motion
   ============================================================ */
.relatia-reader-reduced-motion .relatia-reader-content,
.relatia-reader-reduced-motion .relatia-reader-btn,
.relatia-reader-reduced-motion .relatia-reader-config-panel {
  transition: none !important;
}

/* ============================================================
   TTS Active Sentence
   ============================================================ */
.relatia-reader-tts-active {
  background: rgba(74, 144, 217, 0.2);
  border-radius: 2px;
  outline: 2px solid rgba(74, 144, 217, 0.4);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 768px) {
  .relatia-reader-toolbar {
    flex-wrap: wrap;
    padding: 6px 10px;
    gap: 4px;
  }

  .relatia-reader-toolbar-left {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    width: 100%;
  }

  .relatia-reader-book-title,
  .relatia-reader-chapter-title {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.3;
  }

  .relatia-reader-toolbar-right {
    width: 100%;
    justify-content: center;
    gap: 2px;
    border-top: 1px solid rgba(128, 128, 128, 0.2);
    padding-top: 4px;
  }

  .relatia-reader-btn-label {
    display: none;
  }

  .relatia-reader-content {
    padding: 16px;
  }

  .relatia-reader[data-columns="2"] .relatia-reader-content {
    -webkit-column-count: 1;
    column-count: 1;
  }

  .relatia-reader-config-panel {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    flex-shrink: 0;
  }

  .relatia-reader-page-container {
    min-height: 120px;
  }

  .relatia-reader-config-group {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
  }

  .relatia-reader-config-group .relatia-reader-slider {
    width: 100%;
  }

  .relatia-reader-config-group .relatia-reader-select {
    width: 100%;
  }

  .relatia-reader-nav-bottom {
    flex-direction: column;
    gap: 4px;
    padding: 6px 12px;
  }

  .relatia-reader-nav-pages,
  .relatia-reader-nav-chapters {
    width: 100%;
    justify-content: center;
  }

  .relatia-reader-nav-chapters {
    border-top: 1px solid rgba(128, 128, 128, 0.2);
    padding-top: 4px;
  }

  /* Hide 2-page option on mobile/small tablet */
  .relatia-reader-columns-select {
    display: none;
  }

  /* Side arrows: always visible on touch (no hover) */
  .relatia-reader-side-prev,
  .relatia-reader-side-next {
    opacity: 1;
    width: 32px;
    height: 56px;
    background: rgba(0, 0, 0, 0.06);
  }
}

@media (max-width: 480px) {
  .relatia-reader-slider {
    width: 80px;
  }

  .relatia-reader-page-info {
    min-width: 70px;
    font-size: 0.8em;
  }
}

/* ============================================================
   Sentences (clickable)
   ============================================================ */
.relatia-reader-sentence {
  cursor: pointer;
  position: relative;
  border-radius: 2px;
  transition: background-color 0.15s;
}

.relatia-reader-sentence:hover {
  background: rgba(0, 0, 0, 0.04);
}

/* ============================================================
   Reader Footer – Share + Books link
   ============================================================ */
.relatia-reader-footer {
  margin-top: 100px !important;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.relatia-reader-footer-inner {
  text-align: center;
  padding: 28px 20px 32px;
  background: #f9fafb;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
}

.relatia-reader-footer-share-label {
  font-size: 13px;
  color: #6b7280;
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.relatia-reader-footer-share-buttons {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

.relatia-reader-footer-share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: transform 0.15s, opacity 0.15s;
}

.relatia-reader-footer-share-btn:hover {
  transform: scale(1.15);
  opacity: 0.85;
}

.relatia-reader-footer-share-btn img {
  display: block;
}

.relatia-reader-footer-share-tiktok    { background: #010101; }
.relatia-reader-footer-share-instagram { background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.relatia-reader-footer-share-x         { background: #000; }
.relatia-reader-footer-share-linkedin  { background: #0A66C2; }
.relatia-reader-footer-share-whatsapp  { background: #25D366; }
.relatia-reader-footer-share-copy      { background: #95b4f4; }

/* Copied indicator */
.relatia-reader-footer-share-copied {
  display: none;
  font-size: 12px;
  font-weight: 600;
  color: #10b981;
  margin-top: 8px;
  animation: relatiaReaderCopiedFade 0.3s ease;
}

.relatia-reader-footer-share-copied.is-visible {
  display: block;
}

@keyframes relatiaReaderCopiedFade {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Dark theme */
[data-theme="dark"] .relatia-reader-footer-inner,
.dark .relatia-reader-footer-inner {
  background: #1e1e1e;
  border-color: #333;
}

[data-theme="dark"] .relatia-reader-footer-share-label {
  color: #9ca3af;
}