.reading-controls {
  position: fixed;
  top: 5.25rem;
  right: 1rem;
  z-index: 20;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  width: 12.5rem;
  margin: 0;
  padding: 0.75rem;
  border: 1px solid var(--table-border-color);
  border-radius: 6px;
  background: var(--bg);
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
}

.lacan-toggle-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.reading-controls label {
  display: inline-flex;
  gap: 0.35rem;
  align-items: center;
  margin: 0;
  font-size: 0.92rem;
  white-space: nowrap;
  cursor: pointer;
}

.lacan-tool-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.35rem;
  margin: 0;
}

.lacan-tool-search-input {
  box-sizing: border-box;
  min-width: 0;
  width: 100%;
  padding: 0.35rem 0.45rem;
  border: 1px solid var(--table-border-color);
  border-radius: 4px;
  background: var(--bg);
  color: var(--fg);
  font: inherit;
  font-size: 0.88rem;
}

.lacan-tool-button {
  min-height: 2rem;
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--table-border-color);
  border-radius: 4px;
  background: var(--theme-popup-bg, var(--bg));
  color: var(--fg);
  font: inherit;
  font-size: 0.88rem;
  line-height: 1;
  cursor: pointer;
}

.lacan-tool-button:hover,
.lacan-tool-button:focus {
  border-color: var(--icons);
}

.lacan-back-to-top {
  width: 100%;
  font-size: 1rem;
}

.lacan-share-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 0.35rem;
}

.lacan-share-count {
  grid-column: 1 / -1;
  color: var(--icons);
  font-size: 0.78rem;
  line-height: 1.25;
}

.lacan-share-save,
.lacan-share-clear,
.lacan-share-count {
  display: none;
}

html.lacan-share-mode .lacan-share-save,
html.lacan-share-mode .lacan-share-clear,
html.lacan-share-mode .lacan-share-count {
  display: inline-flex;
  align-items: center;
}

.lacan-share-save:disabled,
.lacan-share-clear:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

.parallel-text {
  display: grid;
  gap: 1.1rem;
}

.parallel-paragraph {
  position: relative;
  padding: 0.9rem 0;
  border-top: 1px solid var(--table-border-color);
  scroll-margin-top: 5rem;
}

.paragraph-anchor-alias {
  position: absolute;
  top: 0;
  left: 0;
}

.paragraph-id {
  display: inline-block;
  margin-bottom: 0.45rem;
  color: var(--icons);
  font-family: var(--mono-font);
  font-size: 0.78rem;
}

.lacan-share-select {
  display: none;
  width: 1.1rem;
  height: 1.1rem;
  margin: 0 0.42rem 0.45rem 0;
  vertical-align: text-bottom;
}

.lacan-share-select input {
  width: 1.1rem;
  height: 1.1rem;
  margin: 0;
  accent-color: var(--lacan-original-accent);
  cursor: pointer;
}

html.lacan-share-mode .lacan-share-select {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

html.lacan-share-mode .parallel-paragraph {
  padding-right: 0.65rem;
  padding-left: 0.65rem;
  border-radius: 6px;
}

.parallel-paragraph.lacan-share-selected {
  background: var(--lacan-share-selected-bg);
  box-shadow: inset 0 0 0 1px var(--lacan-share-selected-border);
}

.parallel-paragraph:target {
  background: var(--lacan-target-bg);
  box-shadow: inset 0 0 0 2px var(--lacan-original-accent);
}

.translation-block {
  margin-bottom: 0.65rem;
}

.reading-note-links {
  margin: 0.45rem 0 0;
  padding: 0;
  color: var(--icons);
  font-size: 0.72rem;
  line-height: 1.4;
  text-align: right;
}

.reading-note-links-title {
  display: inline;
  margin: 0;
  color: var(--icons);
  font-family: var(--mono-font);
  font-size: inherit;
}

.reading-note-links-title::after {
  content: "：";
}

.reading-note-links-list {
  display: inline;
}

.translation-missing {
  color: var(--icons);
  font-style: italic;
}

.original-block {
  margin-top: 0.65rem;
  padding: 0.72rem 0.9rem 0.8rem 1rem;
  border-left: 3px solid var(--lacan-original-accent);
  border-radius: 0 6px 6px 0;
  background: var(--lacan-original-bg);
  box-shadow: inset 0 0 0 1px rgba(47, 105, 117, 0.1);
}

.original-block summary {
  color: var(--lacan-original-accent);
  font-family: var(--mono-font);
  font-size: 0.78rem;
  line-height: 1.35;
  cursor: pointer;
}

.original-block summary::after {
  content: "SOURCE";
  margin-left: 0.4rem;
  padding: 0.08rem 0.32rem;
  border: 1px solid rgba(47, 105, 117, 0.28);
  border-radius: 3px;
  font-size: 0.68rem;
  letter-spacing: 0;
}

.original-block[open] summary {
  margin-bottom: 0.55rem;
}

.original-paragraph {
  color: color-mix(in srgb, var(--fg) 88%, var(--lacan-original-accent));
}

.original-paragraph + .original-paragraph {
  margin-top: 0.9rem;
}

:root {
  --lacan-original-accent: #2f6975;
  --lacan-original-bg: rgba(47, 105, 117, 0.07);
  --lacan-note-bg: var(--quote-bg, transparent);
  --lacan-note-accent: var(--table-border-color);
  --lacan-commentary-accent: #9c6b1f;
  --lacan-commentary-bg: rgba(156, 107, 31, 0.08);
  --lacan-share-selected-bg: rgba(47, 105, 117, 0.08);
  --lacan-share-selected-border: rgba(47, 105, 117, 0.34);
  --lacan-target-bg: rgba(156, 107, 31, 0.1);
}

@supports (background: color-mix(in srgb, white, black)) {
  :root {
    --lacan-original-bg: color-mix(in srgb, var(--lacan-original-accent) 8%, var(--bg));
    --lacan-note-bg: color-mix(in srgb, var(--table-border-color) 18%, var(--bg));
    --lacan-commentary-bg: color-mix(in srgb, var(--lacan-commentary-accent) 10%, var(--bg));
    --lacan-share-selected-bg: color-mix(in srgb, var(--lacan-original-accent) 9%, var(--bg));
    --lacan-share-selected-border: color-mix(in srgb, var(--lacan-original-accent) 42%, var(--table-border-color));
    --lacan-target-bg: color-mix(in srgb, var(--lacan-commentary-accent) 12%, var(--bg));
  }
}

.note-block,
.commentary-block {
  position: relative;
  margin: 0.85rem 0;
  padding: 0.72rem 0.9rem 0.8rem 1rem;
  border-left: 3px solid var(--lacan-note-accent);
  border-radius: 0 6px 6px 0;
  background: var(--lacan-note-bg);
}

.commentary-block {
  border-left-color: var(--lacan-commentary-accent);
  background: var(--lacan-commentary-bg);
  box-shadow: inset 0 0 0 1px rgba(156, 107, 31, 0.1);
}

.note-block::before,
.commentary-block::before {
  display: inline-flex;
  align-items: center;
  margin-bottom: 0.38rem;
  padding: 0.08rem 0.35rem;
  border: 1px solid var(--table-border-color);
  border-radius: 3px;
  color: var(--icons);
  font-family: var(--mono-font);
  font-size: 0.72rem;
  line-height: 1.35;
  letter-spacing: 0;
}

.note-block::before {
  content: "注释";
}

.commentary-block::before {
  content: "建言";
  border-color: rgba(156, 107, 31, 0.35);
  color: var(--lacan-commentary-accent);
}

.note-block > blockquote,
.commentary-block > blockquote {
  margin: 0;
  padding: 0;
  border-left: 0;
  background: transparent;
}

.note-block > blockquote > :first-child,
.commentary-block > blockquote > :first-child {
  margin-top: 0;
}

.note-block > blockquote > :last-child,
.commentary-block > blockquote > :last-child {
  margin-bottom: 0;
}

.note-block > blockquote {
  color: color-mix(in srgb, var(--fg) 86%, var(--icons));
}

.original-notes::before {
  content: "原文 Notes";
}

.original-notes {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--table-border-color);
}

html.hide-original .original-block,
html.hide-notes .note-block,
html.hide-commentary .commentary-block {
  display: none;
}

@media (min-width: 900px) {
  .parallel-paragraph {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 1280px) {
  .reading-controls {
    position: sticky;
    top: 0;
    right: auto;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    width: auto;
    margin: 1rem 0 1.25rem;
    padding: 0.65rem 0.8rem;
  }

  .lacan-toggle-group {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.65rem;
  }

  .lacan-tool-search {
    flex: 1 1 14rem;
    max-width: 20rem;
  }

  .lacan-back-to-top {
    width: auto;
  }

  .lacan-share-actions {
    grid-template-columns: repeat(3, auto);
    align-items: center;
  }

  .lacan-share-count {
    grid-column: auto;
  }
}

@media print {
  .reading-controls {
    display: none;
  }
}