/* Base and toolbar */
:root {
  --reader-toolbar-height: 44px;
  --reader-popover-top: 92px;
  --reader-focus-color: #8ab4f8;
  --reader-theme-duration: 0s;
  color-scheme: dark;
  font-family: system-ui, sans-serif;
  background: #111315;
  color: #eceff1;
}
* {
  box-sizing: border-box;
  letter-spacing: 0;
}
body {
  margin: 0;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.reader-toolbar {
  min-height: var(--reader-toolbar-height);
  flex: none;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 3px 10px;
  background: #1b1e21;
  border-bottom: 1px solid #34383d;
}
.reader-toolbar,
.reader-panel,
.reader-progress-tools,
.reader-page {
  user-select: none;
  -webkit-user-select: none;
}
.reader-heading {
  min-width: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.reader-heading strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14px;
  line-height: 18px;
}
.reader-heading span,
.reader-path {
  color: #9ba3aa;
  font-size: 12px;
  line-height: 16px;
}
.reader-path {
  min-width: 0;
  max-width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  font-family: inherit;
  text-align: left;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
}
.reader-path:hover,
.reader-path:focus-visible {
  color: #d5d9dc;
  text-decoration: underline;
  outline: none;
}
.reader-actions {
  position: relative;
  display: flex;
  align-items: center;
  gap: 4px;
}
#download-feedback:not([hidden]) {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 12;
  width: max-content;
  max-width: min(260px, calc(100vw - 20px));
  padding: 8px 10px;
  border: 1px solid #555f66;
  border-radius: 4px;
  background: #25292d;
  color: #eceff1;
  font-size: 12px;
  line-height: 18px;
  white-space: normal;
  box-shadow: 0 4px 12px #0008;
}
.control-group {
  display: inline-flex;
  align-items: center;
  gap: 2px;
}
.control-group[hidden] {
  display: none;
}
.compact-input {
  height: 32px;
  display: inline-flex;
  align-items: center;
  border: 1px solid #3b4147;
  background: #25292d;
  border-radius: 4px;
  padding-right: 4px;
  color: #c6ccd1;
  font-size: 12px;
}
.compact-input input {
  width: 34px;
  height: 28px;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: right;
  font: inherit;
  outline: none;
}
.icon-button {
  width: 32px;
  height: 32px;
  border: 0;
  background: transparent;
  color: inherit;
  display: inline-grid;
  place-items: center;
  text-decoration: none;
  cursor: pointer;
  border-radius: 4px;
  font-size: 18px;
}
.text-button {
  height: 32px;
  padding: 0 8px;
  border: 0;
  background: transparent;
  color: inherit;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  border-radius: 4px;
  font-size: 12px;
}
.text-button[hidden] {
  display: none;
}
.icon-button:hover,
.text-button:hover {
  background: #292d31;
}
/* Drawer, tabs and reading progress */
.reader-panel {
  position: fixed;
  top: var(--reader-toolbar-height);
  right: 0;
  bottom: 0;
  width: min(400px, 94vw);
  z-index: 20;
  display: flex;
  flex-direction: column;
  background: #1b1e21;
  border-left: 1px solid #34383d;
  box-shadow: -5px 0 20px #0008;
  opacity: 0;
  visibility: hidden;
  transform: translateX(100%);
  transition:
    transform 240ms cubic-bezier(0.2, 0.8, 0.2, 1),
    opacity 180ms ease,
    visibility 0s linear 240ms,
    background-color var(--reader-theme-duration) ease,
    color var(--reader-theme-duration) ease,
    border-color var(--reader-theme-duration) ease;
}
.reader-panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
  transition-delay: 0s;
}
.reader-panel[hidden],
.reader-panel-view[hidden],
.panel-search[hidden],
.panel-item[hidden],
#full-search-clear[hidden] {
  display: none;
}
.reader-panel > header {
  height: 48px;
  flex: none;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 6px 0 12px;
  border-bottom: 1px solid #34383d;
}
.reader-panel > header > strong {
  min-width: 0;
  flex: 1;
  font-size: 14px;
}
.reader-panel-tabs {
  flex: none;
  display: flex;
  border-bottom: 1px solid #34383d;
}
.reader-panel-tabs button {
  flex: 1;
  min-height: 38px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: #aeb5ba;
  cursor: pointer;
}
.reader-panel-tabs button[aria-selected="true"] {
  color: #e7e9eb;
  border-bottom-color: #8ab4f8;
}
.reader-panel-view {
  min-height: 0;
  flex: 1;
  overflow: auto;
}
.reader-progress-tools {
  flex: none;
  padding: 10px 12px 12px;
  border-top: 1px solid #34383d;
  background: inherit;
}
.reader-progress-summary {
  display: grid;
  justify-items: center;
  gap: 4px;
  padding: 2px 0 10px;
  text-align: center;
}
.reader-progress-summary strong {
  font-size: 14px;
}
.reader-progress-summary-value {
  color: #8ab4f8;
  font-size: 20px;
  font-variant-numeric: tabular-nums;
}
.reader-progress-bookmark {
  padding: 2px 0;
  font-size: 12px;
}
.reader-progress-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto auto;
  align-items: center;
  gap: 7px;
  min-width: 0;
}
.reader-no-toc .reader-progress-row {
  grid-template-columns: minmax(0, 420px) auto;
  justify-content: center;
  order: 2;
}
.reader-no-toc .reader-progress-percent {
  display: none;
}
.reader-no-toc {
  display: flex;
  flex-direction: column;
}
/* Expose summary children to the outer flex ordering when there is no TOC. */
.reader-no-toc .reader-progress-summary {
  display: contents;
}
.reader-no-toc .reader-progress-summary strong {
  display: none;
}
.reader-no-toc .reader-progress-summary-value {
  order: 1;
  padding: 4px 0 8px;
  text-align: center;
}
.reader-no-toc .reader-progress-bookmark {
  order: 3;
  align-self: center;
}
.reader-progress-summary[hidden] {
  display: none !important;
}
.reader-progress-row input[type="range"] {
  min-width: 0;
  flex: 1;
  accent-color: #8ab4f8;
}
:root[data-theme="light"] .reader-progress-row input[type="range"] {
  accent-color: #1769aa;
  color-scheme: light;
  appearance: auto;
}
.reader-progress-percent {
  min-width: 42px;
  color: #aeb5ba;
  font-size: 12px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.reader-progress-undo,
.reader-chapter-prev,
.reader-chapter-next {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 4px;
  background: transparent;
  color: #aeb5ba;
  cursor: pointer;
}
.reader-progress-undo:hover,
.reader-chapter-prev:hover,
.reader-chapter-next:hover {
  border-color: #464c52;
  background: #25292d;
  color: #e7e9eb;
}
.reader-progress-undo svg,
.reader-chapter-prev svg,
.reader-chapter-next svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.reader-progress-undo[hidden],
.reader-chapter-prev[hidden],
.reader-chapter-next[hidden] {
  display: none;
}
/* Full-text search */
.full-search-input {
  width: 110px;
  min-width: 0;
  height: 28px;
  padding: 0 7px;
  border: 1px solid #464c52;
  border-radius: 4px;
  background: #25292d;
  color: inherit;
  font: inherit;
  font-size: 12px;
}
.full-search-input::-webkit-search-cancel-button {
  display: none;
}
.full-search-view {
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.full-search-bar {
  display: flex;
  gap: 6px;
  padding: 10px 12px 6px;
}
.full-search-bar .full-search-input {
  width: auto;
  flex: 1;
  height: 34px;
}
.full-search-status {
  padding: 0 12px 8px;
  color: #929aa1;
  font-size: 12px;
}
.full-search-nav {
  display: flex;
  gap: 6px;
  padding: 0 12px 8px;
}
.full-search-nav button,
.full-search-pagination button {
  flex: 1;
  min-height: 30px;
  border: 1px solid #464c52;
  border-radius: 4px;
  background: transparent;
  color: inherit;
  cursor: pointer;
}
.full-search-nav button:disabled,
.full-search-pagination button:disabled {
  opacity: 0.4;
  cursor: default;
}
.full-search-results {
  min-height: 0;
  overflow: auto;
}
.full-search-pagination:not([hidden]) {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px 8px;
  font-size: 12px;
}
.full-search-pagination label { white-space: nowrap; }
.full-search-pagination input {
  width: calc(var(--page-width, 1ch) + 6px);
  box-sizing: border-box;
  margin: 0;
  padding: 2px;
  border: 1px solid transparent;
  border-radius: 4px;
  color: inherit;
  background: transparent;
  text-align: center;
  font: inherit;
  font-variant-numeric: tabular-nums;
  appearance: textfield;
  -moz-appearance: textfield;
}
.full-search-pagination input::-webkit-inner-spin-button,
.full-search-pagination input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.full-search-pagination input:focus {
  outline: 1px solid var(--reader-focus-color);
  background: #22262a;
}
:root[data-theme="light"] .full-search-pagination input:focus {
  background: #fff;
}
.full-search-result {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  column-gap: 4px;
  row-gap: 3px;
  align-items: baseline;
  width: 100%;
  padding: 10px 12px;
  border: 0;
  border-top: 1px solid #2d3237;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}
.full-search-rank {
  grid-row: 1;
  color: #929aa1;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}
.full-search-result:hover,
.full-search-result:focus-visible {
  background: #292d31;
  outline: none;
}
.full-search-location {
  display: block;
  min-width: 0;
  overflow-wrap: anywhere;
  color: #8ab4f8;
  font-size: 12px;
}
.full-search-snippet {
  grid-column: 1 / -1;
  min-width: 0;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 5;
  overflow: hidden;
  color: #d7dadd;
  font-size: 13px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}
:root[data-theme="light"] .full-search-nav button,
:root[data-theme="light"] .full-search-pagination button {
  border-color: #c7ccd0;
}
:root[data-theme="light"] .full-search-result {
  border-color: #e0e3e5;
}
:root[data-theme="light"] .full-search-result:hover,
:root[data-theme="light"] .full-search-result:focus-visible {
  background: #e7eaed;
}
:root[data-theme="light"] .full-search-snippet {
  color: #3f464b;
}
.reader-progress-undo:disabled,
.reader-chapter-prev:disabled,
.reader-chapter-next:disabled {
  opacity: 0.35;
  cursor: default;
}
/* Panel filtering, lists and TOC */
.panel-view-header {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px;
}
#history-view .panel-view-header {
  justify-content: flex-start;
  gap: 8px;
}
#history-view .panel-view-header > strong {
  margin-right: auto;
}
.panel-view-header > .text-action {
  min-height: 28px;
  padding: 0 2px;
  line-height: 1;
}
.panel-view-header > span {
  display: flex;
  align-items: center;
  gap: 3px;
}
#history-view .panel-view-header > span .text-action,
#bookmarks-panel .panel-view-header > span .text-action {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 2px;
  line-height: 1;
  transform: none;
}
.panel-search-toggle {
  width: auto;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 2px;
  font-size: 12px;
  line-height: 1;
  transform: translateY(-1px);
}
.panel-search-toggle::after {
  content: none;
}
.panel-search {
  width: calc(100% - 24px);
  height: 34px;
  max-height: 0;
  margin: 0 12px;
  padding: 0 9px;
  overflow: hidden;
  border: 1px solid #464c52;
  border-radius: 4px;
  background: #25292d;
  color: #e7e9eb;
  opacity: 0;
  transform: translateY(-6px);
  will-change: max-height, margin-bottom, opacity, transform;
  transition:
    max-height 180ms ease,
    margin-bottom 180ms ease,
    opacity 140ms ease,
    transform 180ms ease,
    background-color var(--reader-theme-duration) ease,
    color var(--reader-theme-duration) ease,
    border-color var(--reader-theme-duration) ease;
}
.panel-search.is-open {
  max-height: 34px;
  margin-bottom: 8px;
  opacity: 1;
  transform: translateY(0);
}
.panel-list {
  padding-bottom: 12px;
}
.panel-empty {
  padding: 28px 12px;
  color: #929aa1;
  text-align: center;
}
.media-panel-content {
  display: grid;
  gap: 14px;
  padding: 24px 16px;
  text-align: center;
}
.media-panel-time {
  font-variant-numeric: tabular-nums;
  font-size: 24px;
}
.panel-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 4px 8px;
  width: 100%;
  min-width: 0;
  padding: 10px 12px;
  border: 0;
  border-bottom: 1px solid #2d3237;
  background: transparent;
  color: inherit;
  text-align: left;
}
.panel-item-main {
  min-width: 0;
  border: 0;
  padding: 0;
  background: transparent;
  color: #e5e9ec;
  text-align: left;
  cursor: pointer;
  overflow-wrap: anywhere;
}
.panel-item > .panel-item-main {
  grid-column: 1;
  grid-row: 1;
}
.panel-item > .panel-item-edit {
  grid-column: 2;
  grid-row: 1;
}
.panel-item > .panel-item-remove {
  grid-column: 3;
  grid-row: 1;
}
.panel-item > small {
  grid-column: 1 / -1;
}
.panel-item small {
  color: #929aa1;
}
.bookmark-excerpt {
  grid-column: 1 / -1;
  margin: 2px 0 0;
  color: #b8bec3;
  font-size: 12px;
  line-height: 1.55;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}
.search-match {
  padding: 0;
  background: #f0c75e;
  color: #1d2023;
}
.panel-item-remove,
.text-action,
.panel-item-edit {
  border: 0;
  background: transparent;
  color: #aeb5ba;
  cursor: pointer;
}
.toc-item {
  padding-left: calc(12px + var(--toc-depth, 0) * 16px);
}
.toc-list-virtualized {
  position: relative;
  padding-bottom: 12px;
}
.toc-list-virtualized .toc-virtual-row {
  position: absolute;
  left: 0;
  right: 0;
  height: 40px;
  box-sizing: border-box;
  overflow: hidden;
}
.toc-list-virtualized .toc-virtual-row .panel-item-main {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.toc-item .panel-item-main {
  user-select: text;
}
.toc-group .panel-item-main {
  font-weight: 600;
  cursor: default;
}
.toc-current-mark {
  color: #8ab4f8;
  font-weight: 700;
}
.theme-toggle {
  width: 32px;
  height: 32px;
  flex: none;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  border-radius: 4px;
}
.theme-toggle svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.theme-toggle.is-changing svg {
  animation: reader-theme-icon 260ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
@keyframes reader-theme-icon {
  from {
    opacity: 0;
    transform: rotate(-35deg) scale(0.72);
  }
  to {
    opacity: 1;
    transform: rotate(0) scale(1);
  }
}
#history-close {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  padding: 0;
  font-family: Arial, sans-serif;
  font-size: 22px;
  line-height: 1;
  transform: translateY(-2px);
}
.reader-viewport {
  min-height: 0;
  flex: 1;
  overflow: auto;
  background: #121416;
}
/* Bookmark ribbon and editor */
.bookmark-ribbon {
  position: fixed;
  z-index: 12;
  top: var(--reader-toolbar-height);
  left: max(10px, calc((100vw - min(100vw, 1100px)) / 2 + 2px));
  width: 28px;
  height: 42px;
  padding: 0;
  border: 0;
  background: #b64b50;
  box-shadow: 0 2px 8px #0006;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 76%, 0 100%);
}
.bookmark-ribbon:hover,
.bookmark-ribbon:focus-visible {
  background: #d35b61;
  outline: 2px solid #8ab4f8;
  outline-offset: 2px;
}
.bookmark-popover {
  position: fixed;
  z-index: 22;
  top: var(--reader-popover-top);
  left: 10px;
  width: min(300px, calc(100vw - 20px));
  max-height: calc(100vh - var(--reader-popover-top) - 10px);
  max-height: calc(100dvh - var(--reader-popover-top) - 10px);
  overflow-y: auto;
  padding: 12px;
  border: 1px solid #464c52;
  border-radius: 6px;
  background: #25292d;
  box-shadow: 0 6px 20px #0009;
}
.bookmark-popover #bookmark-prompt {
  display: block;
  line-height: 1.5;
}
.bookmark-edit-fields {
  display: grid;
  gap: 7px;
  max-width: 100%;
  margin-top: 8px;
}
.bookmark-edit-fields label {
  display: grid;
  gap: 4px;
  min-width: 0;
  color: #b8bec3;
  font-size: 12px;
}
.bookmark-edit-fields input {
  height: 30px;
}
.bookmark-edit-fields input,
.bookmark-edit-fields textarea {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  padding: 5px 8px;
  border: 1px solid #464c52;
  border-radius: 4px;
  background: #1b1e21;
  color: inherit;
  font: inherit;
  resize: vertical;
}
.bookmark-edit-fields textarea {
  min-height: 58px;
}
.bookmark-popover #bookmark-prompt small {
  display: -webkit-box;
  margin-top: 8px;
  overflow: hidden;
  color: #b8bec3;
  font-size: 12px;
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}
.bookmark-popover > div {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 12px;
}
/* The editor is a direct div too; keep it out of the action-row flex layout. */
.bookmark-popover > .bookmark-edit-fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  justify-content: stretch;
  gap: 7px;
  margin: 8px 0 0;
}
.bookmark-popover button {
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid #555c63;
  border-radius: 4px;
  background: #30353a;
  color: inherit;
  cursor: pointer;
}
/* Loading and document surfaces */
.loading-status {
  display: none !important;
}
.reader-content {
  --reader-zoom: 1;
  width: min(100%, 1100px);
  margin: 0 auto;
  padding: 20px;
}
.reader-loading-indicator {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: #9ba3aa;
  font-size: 13px;
}
.reader-loading-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid #3b4147;
  border-top-color: #8ab4f8;
  border-radius: 50%;
  animation: reader-loading-spin 800ms linear infinite;
}
@keyframes reader-loading-spin {
  to {
    transform: rotate(360deg);
  }
}
.reader-page {
  position: relative;
  container-type: size;
  margin: 0 auto 18px;
  background: white;
  box-shadow: 0 2px 14px #0008;
  min-height: 160px;
}
.reader-pdf-chunk {
  display: flow-root;
}
.reader-content[data-mode="pdf"] .reader-page,
.reader-content[data-mode="pdf-pages"] .reader-page {
  width: calc(100% * var(--reader-zoom));
}
.reader-content[data-mode="pdf-pages"] .reader-page > img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  user-select: none;
  -webkit-user-select: none;
}
.reader-content[data-mode="pdf-pages"] .reader-page {
  content-visibility: auto;
  contain-intrinsic-size: auto 1px 1414px;
}
.reader-page-state {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  color: #6b7280;
  font-size: 13px;
  text-align: center;
  pointer-events: none;
  z-index: 2;
}
.reader-page-state[hidden] {
  display: none;
}
.reader-page canvas {
  display: block;
  position: relative;
  width: 100%;
  height: auto;
  user-select: none;
  -webkit-user-select: none;
  opacity: 0;
  transition: opacity 120ms ease;
}
.reader-page canvas.ready {
  opacity: 1;
}
.reader-pdf-text {
  position: absolute;
  inset: 0;
  overflow: visible;
  pointer-events: none;
  white-space: pre;
  border: 0;
  color: transparent;
  z-index: 1;
  line-height: 1;
  text-size-adjust: none;
  -webkit-text-size-adjust: none;
}
.reader-pdf-text-position {
  position: absolute;
  --reader-pdf-font-ratio: 1;
  font-size: calc(var(--reader-pdf-font-ratio) * 100cqw);
  transform-origin: left top;
}
.reader-pdf-text-fallback {
  position: absolute;
  inset: 0;
  white-space: pre-wrap;
  overflow: hidden;
  pointer-events: auto;
}
.reader-pdf-text-run {
  display: inline-block;
  color: transparent;
  white-space: pre;
  transform-origin: left top;
  user-select: text;
  -webkit-user-select: text;
  cursor: text;
  pointer-events: auto;
}
.reader-pdf-text-run::selection {
  color: transparent;
  background: #4285f466;
}
.reader-pdf-text-run.full-search-highlight {
  color: transparent;
  background: #f0c75e88;
}
.reader-pdf-text ::selection,
.reader-pdf-text-run::selection {
  color: transparent;
  background: #4285f466;
}
.reader-pdf-text mark.full-search-highlight {
  color: transparent;
  background: #f0c75e88;
}
.reader-image {
  display: block;
  width: calc(100% * var(--reader-zoom));
  max-width: none;
  height: auto;
  margin: 0 auto;
  background: #fff;
}
.reader-chapter-sentinel {
  display: block;
  width: 100%;
  height: 1px;
  margin: 0;
  padding: 0;
  border: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
}
.reader-content[data-mode="audio"],
.reader-content[data-mode="video"] {
  width: 100%;
  height: 100%;
  padding: 0;
  display: grid;
  place-items: center;
}
.reader-audio {
  display: block;
  width: min(720px, calc(100% - 32px));
}
.reader-video {
  display: block;
  width: 100%;
  height: 100%;
  max-height: calc(100vh - var(--reader-toolbar-height));
  max-height: calc(100dvh - var(--reader-toolbar-height));
  object-fit: contain;
  background: #000;
}
.reader-text {
  margin: 0 auto;
  max-width: 76ch;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font:
    calc(17px * var(--reader-zoom)) / 1.8 ui-monospace,
    monospace;
  color: #e7e9eb;
}
.reader-markdown {
  margin: 0 auto;
  max-width: 76ch;
  font-size: calc(17px * var(--reader-zoom));
  line-height: 1.75;
}
.reader-markdown img {
  max-width: 100%;
}
.reader-markdown a {
  color: #72a7df;
}
.reader-error {
  margin: 20vh auto;
  max-width: 560px;
  color: #d7dadd;
  text-align: center;
  line-height: 1.6;
}
/* Chapter bundles and Foliate hosts. Chapter Shadow DOM has its own stylesheet. */
.epub-frame {
  width: 100%;
  height: auto;
  min-height: 100%;
  background: #181b1e;
}
.foliate-reader-view {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 100%;
  background: #181b1e;
}
.foliate-continuous {
  --reader-book-link: #8ab4e8;
  width: min(100%, 900px);
  min-height: 100%;
  margin: 0 auto;
  padding: 24px 20px 64px;
  background: #181b1e;
  color: #e7e9eb;
}
.foliate-continuous > article {
  min-height: 0 !important;
  height: auto !important;
  margin: 0 auto 32px;
  padding-top: 0 !important;
  line-height: 1.7;
  break-before: auto !important;
  page-break-before: auto !important;
  font-size: calc(1em * var(--reader-zoom));
}
/* Virtualized chapters must reserve their measured height. */
.foliate-continuous > article.foliate-section-placeholder {
  height: var(--foliate-placeholder-height) !important;
  min-height: var(--foliate-placeholder-height) !important;
  padding: 0 !important;
  contain: strict;
  pointer-events: none;
}
.foliate-continuous > article > :first-child {
  margin-top: 0 !important;
}
.foliate-continuous a {
  color: #8ab4e8 !important;
}
.foliate-continuous a[href]:not([href^="http:"]):not([href^="https:"]) {
  text-decoration: none !important;
}
.foliate-continuous :is(p, div, span, li, td, th, blockquote, pre, code, h1, h2, h3, h4, h5, h6) {
  color: inherit !important;
}
.foliate-continuous img,
.foliate-continuous svg,
.foliate-continuous video {
  max-width: 100%;
  height: auto;
}
:root[data-theme="light"] .foliate-continuous {
  --reader-book-link: #185abc;
  background: #fff;
  color: #202124;
}
:root[data-theme="light"] .foliate-continuous a {
  color: #185abc !important;
}
.reader-content[data-mode="foliate"] {
  width: 100%;
  height: calc(100vh - var(--reader-toolbar-height));
  height: calc(100dvh - var(--reader-toolbar-height));
  min-height: calc(100vh - var(--reader-toolbar-height));
  min-height: calc(100dvh - var(--reader-toolbar-height));
  padding: 0;
}
.reader-content[data-mode="foliate"] > .foliate-reader-view {
  width: 100%;
  height: 100%;
  min-height: 320px;
}
/* Isolated HTML and vendor-generated DOCX */
.html-frame {
  display: block;
  width: 100%;
  height: calc(100vh - 96px);
  border: 0;
  background: white;
  color-scheme: only light;
}
.html-frame.spreadsheet-html-frame {
  overflow: auto;
}
.reader-content--spreadsheet {
  width: 100%;
  max-width: none;
  padding: 0;
}
.docx-body {
  overflow-x: auto;
  color: #e7e9eb;
}
.docx-body .reader-docx-wrapper {
  background: transparent;
  padding: 0;
  zoom: var(--reader-zoom);
  width: 100%;
  max-width: none;
  align-items: stretch;
}
.docx-body .reader-docx-wrapper > section.reader-docx {
  width: 100% !important;
  max-width: none;
  box-sizing: border-box;
  padding-left: clamp(16px, 5vw, 2cm) !important;
  padding-right: clamp(16px, 5vw, 2cm) !important;
  margin: 0 auto 18px;
  box-shadow: 0 2px 14px #0008;
}
.docx-body.reader-document-dark .reader-docx {
  background: #181b1e !important;
  color: #e7e9eb !important;
}
.docx-body.reader-document-dark .reader-docx :where(:not(svg, svg *, img, canvas, video, audio, math, math *)),
:root[data-theme="dark"] .reader-epub-chapter :where(:not(svg, svg *, img, canvas, video, audio, math, math *)) {
  color: inherit !important;
  background-color: transparent !important;
  border-color: #4a5056 !important;
  text-shadow: none !important;
}
.docx-body.reader-document-dark .reader-docx :is(table, pre, code, blockquote) {
  background-color: #202428 !important;
}
.docx-body.reader-document-dark .reader-docx a,
:root[data-theme="dark"] .reader-epub-chapter a {
  color: #8ab4e8 !important;
}
:root[data-theme="dark"] .reader-epub-chapter mark.full-search-highlight,
.docx-body.reader-document-dark .reader-docx mark.full-search-highlight {
  background: #ffd54f !important;
  color: #111 !important;
}
/* Light theme: retain the dark palette above and override matching surfaces. */
:root[data-theme="light"] {
  --reader-focus-color: #1769aa;
  color-scheme: light;
  background: #f4f5f6;
  color: #202124;
}
:root[data-theme="light"] .reader-toolbar,
:root[data-theme="light"] .reader-panel {
  background: #fff;
  border-color: #d7dadd;
}
:root[data-theme="light"] .reader-viewport {
  background: #e9ecef;
}
:root[data-theme="light"] .reader-panel-tabs,
:root[data-theme="light"] .reader-panel > header,
:root[data-theme="light"] .reader-panel > footer {
  border-color: #d7dadd;
}
:root[data-theme="light"] .reader-panel-tabs button,
:root[data-theme="light"] .panel-item small {
  color: #5f666c;
}
:root[data-theme="light"] .reader-progress-tools {
  border-color: #d7dadd;
}
:root[data-theme="light"] .reader-panel-tabs button[aria-selected="true"],
:root[data-theme="light"] .panel-item-main {
  color: #202124;
}
:root[data-theme="light"] .panel-item {
  border-color: #e0e3e5;
}
:root[data-theme="light"] .bookmark-excerpt {
  color: #535a60;
}
:root[data-theme="light"] .bookmark-popover #bookmark-prompt small {
  color: #535a60;
}
:root[data-theme="light"] .bookmark-edit-fields label {
  color: #535a60;
}
:root[data-theme="light"] .bookmark-edit-fields input,
:root[data-theme="light"] .bookmark-edit-fields textarea {
  background: #f3f5f6;
  border-color: #c7ccd0;
  color: #202124;
}
:root[data-theme="light"] .panel-search,
:root[data-theme="light"] .theme-toggle,
:root[data-theme="light"] .bookmark-popover {
  background: #fff;
  border-color: #c7ccd0;
  color: #202124;
}
:root[data-theme="light"] .compact-input {
  background: #f3f5f6;
  border-color: #c7ccd0;
  color: #202124;
}
:root[data-theme="light"] .icon-button:hover,
:root[data-theme="light"] .text-button:hover {
  background: #e7eaed;
}
:root[data-theme="light"] .icon-button:active,
:root[data-theme="light"] .text-button:active {
  background: #dce1e5;
}
:root[data-theme="light"] .bookmark-popover button {
  background: #f3f5f6;
  border-color: #c7ccd0;
  color: #202124;
}
:root[data-theme="light"] .reader-text,
:root[data-theme="light"] .reader-markdown,
:root[data-theme="light"] .docx-body {
  color: #202124;
}
:root[data-theme="light"] .docx-body .reader-docx {
  background: #fff !important;
  color: #202124 !important;
}
:root[data-theme="light"] .full-search-input {
  background: #f3f5f6;
  border-color: #c7ccd0;
  color: #202124;
}
:root[data-theme="light"] .reader-error {
  color: #3f464b;
}
:root[data-theme="light"] .epub-frame {
  background: #fff;
}
:root[data-theme="light"]
  :is(
    .reader-heading span,
    .reader-path,
    .text-action,
    .panel-item-edit,
    .panel-item-remove,
    .reader-progress-percent,
    .reader-progress-undo,
    .reader-chapter-prev,
    .reader-chapter-next,
    .full-search-status,
    .panel-empty,
    .reader-loading-indicator
  ) {
  color: #5f666c;
}
:root[data-theme="light"] .reader-path:hover,
:root[data-theme="light"] .reader-path:focus-visible {
  color: #202124;
}
:root[data-theme="light"]
  :is(.full-search-location, .reader-progress-summary-value, .toc-current-mark),
:root[data-theme="light"] .reader-markdown a {
  color: #185abc;
}
:root[data-theme="light"]
  :is(.reader-progress-undo, .reader-chapter-prev, .reader-chapter-next):hover {
  border-color: #c7ccd0;
  background: #e7eaed;
  color: #202124;
}

/* Compose theme colors with drawer/filter motion instead of replacing it. */
:root.theme-transition {
  --reader-theme-duration: 260ms;
}
:root.theme-transition,
:root.theme-transition body,
:root.theme-transition .reader-toolbar,
:root.theme-transition .reader-viewport,
:root.theme-transition .compact-input,
:root.theme-transition .bookmark-popover,
:root.theme-transition .bookmark-popover button,
:root.theme-transition .reader-text,
:root.theme-transition .reader-markdown,
:root.theme-transition .docx-body,
:root.theme-transition .docx-body .reader-docx {
  transition:
    background-color 260ms ease,
    color 260ms ease,
    border-color 260ms ease;
}

/* Keyboard focus and accessibility preferences */
:is(.reader-toolbar, .reader-panel, .bookmark-popover)
  :is(button, a, input, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--reader-focus-color);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  .reader-panel,
  .panel-search,
  .reader-page canvas,
  :root.theme-transition,
  :root.theme-transition *,
  .theme-toggle.is-changing svg {
    transition-duration: 0s !important;
    transition-delay: 0s !important;
    animation-duration: 0s !important;
  }
  .reader-loading-spinner {
    animation: none;
    border-top-color: #3b4147;
  }
}
@media (prefers-contrast: more) {
  /* Match theme specificity, including the initial root without data-theme. */
  :is(:root, :root[data-theme])
    :is(
      .reader-toolbar,
      .reader-panel,
      .reader-panel-tabs,
      .reader-panel > header,
      .reader-page,
      .reader-progress-tools
    ) {
    border-color: currentColor;
  }
  :is(.reader-toolbar, .reader-panel, .bookmark-popover)
    :is(button, a, input, textarea, [tabindex]):focus-visible,
  .reader-page:focus-visible {
    outline: 3px solid currentColor;
    outline-offset: 2px;
  }
  /* Shadow-root chapter links need this preference in their JS-owned stylesheet. */
  .reader-content a,
  .foliate-continuous a,
  .foliate-continuous a[href]:not([href^="http:"]):not([href^="https:"]) {
    text-decoration: underline !important;
  }
  .reader-pdf-text span.full-search-highlight,
  .search-match {
    outline: 2px solid currentColor;
  }
}

/* Mobile toolbar and bookmark placement */
@media (max-width: 600px) {
  :root {
    --reader-toolbar-height: 36px;
    --reader-popover-top: 78px;
  }
  .panel-search-toggle {
    min-width: 42px;
  }
  .reader-toolbar {
    gap: 1px;
    padding: 2px 5px;
  }
  .reader-content {
    padding: 10px;
  }
  .reader-text,
  .reader-markdown {
    width: 100%;
    max-width: none;
    overflow-wrap: anywhere;
  }
  .foliate-continuous {
    padding: 16px 12px 48px;
  }
  .foliate-continuous > article {
    overflow-wrap: anywhere;
  }
  .docx-body,
  .docx-body .reader-docx-wrapper {
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
  }
  .docx-body .reader-docx-wrapper > section.reader-docx {
    width: 100% !important;
    max-width: none;
    min-width: 0;
    overflow-wrap: anywhere;
  }
  .docx-body .reader-docx-wrapper img,
  .docx-body .reader-docx-wrapper svg,
  .docx-body .reader-docx-wrapper video {
    max-width: 100%;
    height: auto;
  }
  .html-frame {
    height: calc(100dvh - var(--reader-toolbar-height));
  }
  .reader-video {
    max-width: 100%;
  }
  .reader-heading {
    display: none;
  }
  .reader-actions {
    flex: 1;
    justify-content: flex-end;
    gap: 1px;
    min-width: 0;
  }
  .reader-actions .control-group {
    gap: 0;
  }
  .reader-actions .text-button {
    height: 30px;
    padding: 0 3px;
  }
  .loading-status {
    padding: 10px 6px 0;
  }
  .icon-button {
    width: 26px;
    height: 30px;
    flex: none;
  }
  .compact-input {
    height: 30px;
    padding-right: 3px;
    font-size: 11px;
  }
  .compact-input input {
    width: 24px;
    height: 28px;
  }
  .zoom-controls .compact-input input {
    width: 32px;
  }
  .bookmark-ribbon {
    left: 4px;
    width: 24px;
    height: 36px;
  }
}