.wiki-note {
  position: static;
  z-index: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(90, 96, 110, 0.10);
  background: rgba(255,255,255,0.68);
  color: rgba(45,43,51,0.64);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  font: inherit;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 10px 24px rgba(34, 36, 45, 0.06);
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, color 180ms ease;
}

.wiki-note:hover,
.wiki-note:focus-visible,
.page-title-trigger:hover,
.page-title-trigger:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.home-note {
  padding: 8px 14px;
  background: rgba(255,255,255,0.76);
  color: rgba(35, 34, 42, 0.78);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: none;
}

.library-modal,
.source-preview-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(232, 240, 244, 0.46);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 70;
}

.source-preview-modal {
  z-index: 80;
}

.library-modal.open,
.source-preview-modal.open {
  display: flex;
  animation: fadeIn 220ms ease;
}

.library-shell {
  width: min(1280px, 100%);
  height: min(92vh, 940px);
  display: grid;
  grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
  grid-template-rows: auto auto minmax(0, 1fr);
  border-radius: 34px;
  background: rgba(255,255,255,0.95);
  box-shadow: 0 24px 90px rgba(35, 40, 50, 0.18);
  overflow: hidden;
}

.library-toolbar {
  grid-column: 1 / -1;
  grid-row: 1;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(60, 64, 80, 0.08);
  background: linear-gradient(135deg, rgba(233, 238, 234, 0.96), rgba(249, 250, 248, 0.98));
}

.library-secondary-toolbar {
  grid-column: 2;
  grid-row: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid rgba(60, 64, 80, 0.08);
  background: rgba(249, 251, 249, 0.94);
}

.library-secondary-toolbar.is-empty {
  display: none;
}

.library-secondary-spacer {
  display: none;
}

.library-shell.is-source-list-collapsed {
  grid-template-columns: minmax(0, 1fr);
}

.library-shell.is-source-list-collapsed .library-secondary-toolbar,
.library-shell.is-source-list-collapsed .library-reader {
  grid-column: 1;
}

.library-kicker {
  margin: 0 0 4px;
  font-size: 0.72rem;
  line-height: 1.4;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--soft-text);
}

.source-preview-header h2 {
  margin: 0;
  font-family: var(--font-display);
  line-height: 1.1;
  color: #24232b;
}

.library-page-controls {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 0;
  padding: 10px 18px;
}

.library-page-btn,
.library-primary-btn,
.library-source-card,
.wiki-source-card-btn {
  border: 1px solid rgba(90, 96, 110, 0.10);
  background: rgba(255,255,255,0.86);
  color: var(--text);
  font: inherit;
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.library-page-btn {
  min-width: 38px;
  height: 38px;
  border-radius: 999px;
}

.library-page-toolbar-btn {
  display: none;
}

.library-zoom-controls {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  border-radius: 999px;
  border: 1px solid rgba(90, 96, 110, 0.10);
  background: rgba(255,255,255,0.72);
}

.library-zoom-btn {
  min-width: 32px;
  width: 32px;
  height: 32px;
}

.library-zoom-reset {
  min-width: 54px;
  height: 32px;
  padding: 0 8px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--soft-text);
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
}

.library-zoom-reset:disabled {
  cursor: default;
}

.library-zoom-reset:not(:disabled):hover,
.library-zoom-reset:not(:disabled):focus-visible {
  background: rgba(255,255,255,0.88);
  color: var(--text);
  outline: none;
}

.library-page-btn:hover,
.library-page-btn:focus-visible,
.library-primary-btn:hover,
.library-primary-btn:focus-visible,
.library-source-card:hover,
.library-source-card:focus-visible,
.wiki-source-card-btn:hover,
.wiki-source-card-btn:focus-visible {
  background: rgba(255,255,255,0.98);
  border-color: rgba(111, 143, 121, 0.28);
  box-shadow: 0 10px 24px rgba(34, 36, 45, 0.08);
  transform: translateY(-1px);
  outline: none;
}

.library-page-btn:disabled {
  opacity: 0.42;
  cursor: default;
  transform: none;
  box-shadow: none;
}

.library-page-indicator {
  padding: 0;
  text-align: center;
  font-size: 0.86rem;
  line-height: 1.35;
  color: var(--soft-text);
}

.library-page-jump {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid rgba(90, 96, 110, 0.10);
  background: rgba(255,255,255,0.82);
}

.library-page-jump-label {
  font-size: 0.82rem;
  color: var(--soft-text);
}

.library-page-jump-input {
  width: 58px;
  height: 30px;
  padding: 0 8px;
  border-radius: 999px;
  border: 1px solid rgba(90, 96, 110, 0.12);
  background: rgba(255,255,255,0.96);
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  text-align: center;
  appearance: textfield;
}

.library-page-jump-input:focus-visible {
  outline: 2px solid rgba(111, 143, 121, 0.24);
  outline-offset: 2px;
}

.library-content {
  min-height: 0;
  display: contents;
}

.library-content.is-source-list-collapsed {
  display: contents;
}

.library-source-list {
  grid-column: 1;
  grid-row: 2 / 4;
  min-height: 0;
  overflow-y: auto;
  padding: 18px;
  display: grid;
  gap: 12px;
  align-content: start;
  border-right: 1px solid rgba(60, 64, 80, 0.08);
  background: rgba(247, 249, 248, 0.86);
}

.library-content.is-source-list-collapsed .library-source-list {
  display: none;
}

.library-source-card {
  width: 100%;
  display: grid;
  gap: 5px;
  padding: 12px 14px;
  border-radius: 18px;
  text-align: left;
}

.library-source-list-heading {
  margin-bottom: 2px;
}

.library-source-card.is-active {
  border-color: rgba(111, 143, 121, 0.34);
  background: rgba(255,255,255,0.98);
  box-shadow: 0 10px 24px rgba(34, 36, 45, 0.06);
}

.library-source-title {
  font-size: 0.96rem;
  line-height: 1.35;
  color: var(--text);
}

.library-source-meta {
  font-size: 0.76rem;
  line-height: 1.45;
  color: var(--soft-text);
}

.library-reader {
  grid-column: 2;
  grid-row: 3;
  min-height: 0;
  overflow: auto;
  padding: 22px;
  background: rgba(252, 253, 252, 0.98);
  touch-action: pan-y pinch-zoom;
}

.library-page-stage {
  min-height: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 46px;
  gap: 16px;
  align-items: center;
  justify-items: center;
  overflow: hidden;
}

.library-page-turn-btn {
  width: 44px;
  min-width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.92);
  box-shadow: 0 10px 28px rgba(34, 36, 45, 0.08);
}

.library-page-turn-prev {
  grid-column: 1;
}

.library-page-image-wrap {
  position: relative;
  grid-column: 2;
  min-height: 0;
  width: 100%;
  max-width: min(100%, 860px);
  height: 100%;
  max-height: 100%;
  display: grid;
  align-items: center;
  justify-items: center;
  overflow: auto;
  scrollbar-gutter: stable both-edges;
}

.library-page-image-wrap.is-zoomed {
  align-items: start;
  justify-items: start;
}

.library-page-zoom-frame {
  position: relative;
  min-width: 100%;
  min-height: 100%;
  display: grid;
  place-items: center;
}

.library-page-image-wrap.is-zoomed .library-page-zoom-frame {
  width: max(100%, calc(100% * var(--library-page-zoom, 1)));
  height: max(100%, calc(100% * var(--library-page-zoom, 1)));
  place-items: start start;
  padding: 18px;
  box-sizing: border-box;
}

.library-page-rotated-frame {
  position: relative;
  flex: 0 0 auto;
  overflow: visible;
}

.library-page-turn-next {
  grid-column: 3;
}

.library-page-image {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: calc(92vh - 180px);
  object-fit: contain;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 16px 44px rgba(34, 36, 45, 0.16);
}

.library-page-image-wrap.is-zoomed .library-page-image:not(.is-rotated) {
  max-width: none;
  max-height: none;
  height: calc((92vh - 180px) * var(--library-page-zoom, 1));
}

.library-page-image.is-rotated {
  position: absolute;
  top: 50%;
  left: 50%;
  width: auto;
  height: min(100%, calc(100vw - 360px));
  max-width: none;
  max-height: none;
  transform: translate(-50%, -50%) rotate(var(--library-page-rotation, 0deg));
  transform-origin: center center;
}

.library-page-image-wrap.is-zoomed .library-page-image.is-rotated {
  position: absolute;
  top: 0;
  left: 0;
  max-width: none;
  max-height: none;
  transform-origin: top left;
  transform: rotate(var(--library-page-rotation, 0deg)) translateY(-100%);
}

.library-article-shell,
.wiki-source-article-shell {
  width: min(760px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 18px;
}

.library-article-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(90, 96, 110, 0.10);
}

.library-article-toc a {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(239, 243, 240, 0.92);
  color: var(--soft-text);
  font-size: 0.78rem;
  line-height: 1.35;
  text-decoration: none;
}

.library-article,
.wiki-source-article {
  display: grid;
  gap: 18px;
}

.library-article h2,
.library-article h3,
.library-article h4,
.wiki-source-article h2,
.wiki-source-article h3,
.wiki-source-article h4 {
  margin: 0;
  font-family: var(--font-display);
  line-height: 1.16;
  color: #24232b;
}

.library-article h2,
.wiki-source-article h2 {
  margin-top: 10px;
  font-size: 1.48rem;
}

.library-article h3,
.wiki-source-article h3 {
  font-size: 1.18rem;
}

.library-article p,
.library-article li,
.wiki-source-article p,
.wiki-source-article li {
  margin: 0;
  font-size: 1rem;
  line-height: 1.86;
  color: var(--text);
}

.library-article ul,
.library-article ol,
.wiki-source-article ul,
.wiki-source-article ol {
  margin: 0;
  padding-left: 22px;
  display: grid;
  gap: 10px;
}

.library-article-wikilink {
  color: #245fb5;
  text-decoration: underline;
  text-underline-offset: 0.12em;
}

.wiki-source-card {
  display: grid;
  gap: 14px;
  padding: 20px;
  border-radius: 8px;
  border: 1px solid rgba(111, 143, 121, 0.18);
  background: linear-gradient(180deg, rgba(248,250,247,0.98), rgba(242,246,240,0.96));
}

.wiki-source-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.32rem;
  line-height: 1.18;
}

.wiki-source-card p {
  margin: 0;
  line-height: 1.72;
}

.wiki-source-card-btn,
.library-primary-btn {
  justify-self: start;
  min-height: 40px;
  padding: 0 15px;
  border-radius: 999px;
}

.source-page-link {
  display: inline;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  color: #245fb5;
  font: inherit;
  cursor: pointer;
  text-decoration-line: underline;
  text-decoration-thickness: 0.08em;
  text-decoration-color: rgba(36, 95, 181, 0.62);
  text-underline-offset: 0.12em;
}

.source-page-link:hover,
.source-page-link:focus-visible {
  color: #18498f;
  outline: none;
}

.source-preview-card {
  width: min(620px, 100%);
  max-height: min(92vh, 820px);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  border-radius: 24px;
  background: rgba(255,255,255,0.97);
  box-shadow: 0 24px 90px rgba(35, 40, 50, 0.20);
  overflow: hidden;
}

.source-preview-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(60, 64, 80, 0.08);
  background: linear-gradient(135deg, rgba(233, 238, 234, 0.96), rgba(249, 250, 248, 0.98));
}

.source-preview-header h2 {
  font-size: 1.28rem;
}

.source-preview-body {
  min-height: 0;
  overflow: auto;
  padding: 18px;
  display: grid;
  place-items: start center;
}

.source-preview-body .library-page-image {
  max-height: min(62vh, 560px);
}

.source-preview-actions {
  padding: 14px 18px 18px;
  border-top: 1px solid rgba(60, 64, 80, 0.08);
}

.page-title {
  margin: 0;
}

.page-title-trigger {
  margin: 0;
  padding: 0;
  border: none;
  background: none;
  display: inline-block;
  max-width: 100%;
  font-family: var(--font-display);
  font-size: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  font-weight: inherit;
  color: inherit;
  text-indent: inherit;
  text-wrap: balance;
  cursor: pointer;
  transition: color 180ms ease, text-shadow 180ms ease, transform 180ms ease;
}

.page-title-trigger:hover,
.page-title-trigger:focus-visible {
  color: #17161e;
  text-shadow: 0 10px 24px rgba(34, 36, 45, 0.08);
}

.vision-modal .modal-card {
  width: min(1080px, 100%);
}

.vision-modal .modal-header {
  background: linear-gradient(135deg, rgba(236, 239, 232, 0.96), rgba(250, 251, 247, 0.96));
}

.vision-modal .modal-body {
  grid-template-columns: 1fr;
}

.vision-copy {
  display: grid;
  gap: 18px;
  align-content: start;
}

.vision-copy > :first-child {
  margin-top: 0;
}

.vision-copy h2,
.vision-copy h3,
.vision-copy h4,
.vision-copy h5 {
  margin: 0;
  font-family: var(--font-display);
  line-height: 1.14;
  color: #24232b;
}

.vision-copy h2 {
  font-size: 1.5rem;
  margin-top: 8px;
}

.vision-copy h3 {
  font-size: 1.2rem;
  margin-top: 6px;
}

.vision-copy h4,
.vision-copy h5 {
  font-size: 1rem;
  color: var(--soft-text);
}

.vision-copy p,
.vision-copy li {
  margin: 0;
  font-size: 1rem;
  line-height: 1.86;
  color: var(--text);
}

.vision-copy ul,
.vision-copy ol {
  margin: 0;
  padding-left: 22px;
  display: grid;
  gap: 10px;
}

.wiki-inline-link {
  display: inline;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  color: #245fb5;
  font: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
  line-height: inherit;
  vertical-align: baseline;
  cursor: pointer;
  text-decoration-line: underline;
  text-decoration-thickness: 0.08em;
  text-decoration-color: rgba(36, 95, 181, 0.62);
  text-underline-offset: 0.12em;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}

.wiki-inline-link:hover,
.wiki-inline-link:focus-visible {
  color: #18498f;
  text-decoration-color: rgba(24, 73, 143, 0.86);
  outline: none;
}

.wiki-modal {
  position: fixed;
  inset: 0;
  padding: 18px;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(232, 240, 244, 0.46);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 60;
}

.wiki-modal.open {
  display: flex;
  animation: fadeIn 220ms ease;
}

.wiki-shell {
  width: min(1280px, 100%);
  height: min(92vh, 940px);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  border-radius: 34px;
  background: rgba(255,255,255,0.95);
  box-shadow: 0 24px 90px rgba(35, 40, 50, 0.18);
  overflow: hidden;
}

.wiki-toolbar {
  display: grid;
  grid-template-columns: auto minmax(160px, 520px) auto auto;
  gap: 14px;
  align-items: center;
  padding: 18px 22px;
  border-bottom: 1px solid rgba(60, 64, 80, 0.08);
  background: linear-gradient(135deg, rgba(233, 238, 234, 0.96), rgba(249, 250, 248, 0.98));
}

.wiki-toolbar,
.library-toolbar {
  grid-template-columns: auto minmax(160px, 520px) auto auto;
  padding: 18px 22px;
}

.wiki-toolbar-history {
  grid-column: 1;
  grid-row: 1;
  justify-self: start;
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  gap: 8px;
}

.wiki-toolbar > .collection-nav,
.library-toolbar > .collection-nav {
  grid-column: 3;
  grid-row: 1;
  justify-self: center;
}

.wiki-toolbar-actions {
  grid-column: 4;
  grid-row: 1;
  justify-self: end;
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  gap: 8px;
}

.wiki-toolbar-btn {
  min-width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(90, 96, 110, 0.10);
  background: rgba(255,255,255,0.84);
  color: var(--text);
  font: inherit;
  font-size: 1.05rem;
  cursor: pointer;
  transition: background 180ms ease, box-shadow 180ms ease, color 180ms ease, transform 180ms ease;
}

.wiki-toolbar-btn:hover,
.wiki-toolbar-btn:focus-visible {
  background: rgba(255,255,255,0.98);
  box-shadow: 0 10px 24px rgba(34, 36, 45, 0.08);
  outline: none;
  transform: translateY(-1px);
}

.wiki-toolbar-btn:disabled {
  opacity: 0.4;
  cursor: default;
  transform: none;
  box-shadow: none;
}

.wiki-toolbar-close {
  width: 40px;
  min-width: 40px;
  padding: 0;
}

.wiki-directory-toggle {
  position: relative;
  overflow: hidden;
}

.wiki-directory-toggle-icon {
  position: relative;
  display: inline-block;
  width: 17px;
  height: 13px;
  border: 1.3px solid rgba(86, 93, 108, 0.68);
  border-radius: 4px;
  box-sizing: border-box;
  background: rgba(255, 255, 255, 0.56);
}

.wiki-directory-toggle-icon::after {
  content: "";
  position: absolute;
  top: 2px;
  bottom: 2px;
  left: 2.5px;
  width: 3.5px;
  border-radius: 2px;
  transition: transform 180ms ease, opacity 180ms ease, background 180ms ease;
  background: rgba(86, 93, 108, 0.72);
  transform: translateX(7px);
}

.wiki-directory-toggle.is-collapsed .wiki-directory-toggle-icon::after {
  transform: none;
}

.wiki-search-input {
  width: 100%;
  height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(90, 96, 110, 0.12);
  background: rgba(255,255,255,0.92);
  color: var(--text);
  font: inherit;
}

.wiki-search-input:focus-visible {
  outline: 2px solid rgba(111, 143, 121, 0.24);
  outline-offset: 2px;
}

.wiki-toolbar-search {
  grid-column: 2;
  grid-row: 1;
  justify-self: start;
  width: 100%;
  min-width: 0;
}

.collection-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-width: max-content;
  padding: 3px;
  border-radius: 999px;
  border: 1px solid rgba(90, 96, 110, 0.10);
  background: rgba(255,255,255,0.58);
}

.collection-nav-btn {
  min-height: 32px;
  padding: 0 10px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--soft-text);
  font: inherit;
  font-size: 0.78rem;
  line-height: 1.25;
  cursor: pointer;
  white-space: nowrap;
  transition: background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.collection-nav-btn:hover,
.collection-nav-btn:focus-visible {
  background: rgba(255,255,255,0.86);
  color: var(--text);
  outline: none;
}

.collection-nav-btn.is-active {
  background: rgba(231, 239, 233, 0.98);
  color: #243126;
  box-shadow: 0 8px 18px rgba(34, 36, 45, 0.05);
}

.wiki-status {
  display: none;
}

.wiki-status-summary {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(90, 96, 110, 0.10);
  background: rgba(255,255,255,0.62);
  color: var(--soft-text);
  font-size: 0.8rem;
  line-height: 1.4;
}

.wiki-status-btn {
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(90, 96, 110, 0.10);
  background: rgba(255,255,255,0.84);
  color: var(--soft-text);
  font: inherit;
  font-size: 0.8rem;
  line-height: 1.4;
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.wiki-status-btn:hover,
.wiki-status-btn:focus-visible {
  background: rgba(255,255,255,0.98);
  border-color: rgba(111, 143, 121, 0.20);
  color: var(--text);
  box-shadow: 0 10px 24px rgba(34, 36, 45, 0.06);
  outline: none;
}

.wiki-status-btn.is-active {
  background: rgba(231, 239, 233, 0.98);
  border-color: rgba(111, 143, 121, 0.28);
  color: #243126;
}

.wiki-status-btn:disabled {
  opacity: 0.4;
  cursor: default;
  box-shadow: none;
}

.wiki-content {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
}

.wiki-content.is-directory-collapsed {
  grid-template-columns: minmax(0, 1fr);
}

.wiki-directory,
.wiki-reader {
  min-height: 0;
}

.wiki-directory {
  border-right: 1px solid rgba(60, 64, 80, 0.08);
  background: rgba(247, 249, 248, 0.86);
}

.wiki-content.is-directory-collapsed .wiki-directory {
  display: none;
}

.wiki-index-view {
  height: 100%;
  overflow-y: auto;
  padding: 20px;
  display: grid;
  gap: 18px;
  align-content: start;
}

.wiki-index-section {
  display: grid;
  gap: 12px;
}

.wiki-index-section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(90, 96, 110, 0.08);
}

.wiki-index-section-title {
  margin: 0;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #3f434f;
}

.wiki-index-section-count {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--soft-text);
}

.wiki-index-group {
  display: grid;
  gap: 10px;
}

.wiki-index-letter {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--soft-text);
}

.wiki-index-items {
  display: grid;
  gap: 8px;
}

.wiki-index-entry {
  width: 100%;
  padding: 12px 14px;
  border-radius: 18px;
  border: 1px solid rgba(90, 96, 110, 0.10);
  background: rgba(255,255,255,0.82);
  text-align: left;
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.wiki-index-entry:hover,
.wiki-index-entry:focus-visible,
.wiki-index-entry.is-active {
  background: rgba(255,255,255,0.98);
  border-color: rgba(111, 143, 121, 0.28);
  box-shadow: 0 10px 24px rgba(34, 36, 45, 0.06);
  outline: none;
  transform: translateY(-1px);
}

.wiki-index-entry.is-canonical {
  border-color: rgba(111, 143, 121, 0.20);
}

.wiki-entry-term {
  display: block;
  font-size: 0.96rem;
  line-height: 1.45;
  color: var(--text);
}

.wiki-entry-target {
  display: block;
  margin-top: 4px;
  font-size: 0.76rem;
  line-height: 1.4;
  color: var(--soft-text);
}

.wiki-reader {
  overflow-y: auto;
  padding: 24px 28px 30px;
}

.wiki-reader-empty {
  display: grid;
  gap: 12px;
  padding: 22px 0;
}

.wiki-reader-empty h2,
.wiki-item-title {
  margin: 0;
  font-family: var(--font-display);
  line-height: 1.06;
  color: #24232b;
}

.wiki-reader-empty h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

.wiki-reader-empty p,
.wiki-item-summary,
.wiki-article p,
.wiki-article li {
  margin: 0;
  font-size: 1rem;
  line-height: 1.86;
  color: var(--text);
}

.wiki-item-header {
  display: grid;
  gap: 10px;
  margin-bottom: 20px;
}

.wiki-item-title {
  font-size: clamp(2rem, 3.4vw, 3.1rem);
}

.wiki-item-summary {
  color: var(--soft-text);
}

.wiki-article {
  display: grid;
  gap: 18px;
}

.wiki-external-card {
  display: grid;
  gap: 18px;
  margin-top: 24px;
  padding: 22px 24px 24px;
  border-radius: 34px;
  border: 1px solid rgba(111, 143, 121, 0.16);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.76), transparent 38%),
    linear-gradient(180deg, rgba(246, 248, 243, 0.98), rgba(240, 243, 236, 0.95));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.74),
    0 16px 34px rgba(32, 34, 40, 0.06);
}

.wiki-external-card-header {
  display: grid;
  gap: 6px;
}

.wiki-external-kicker {
  margin: 0;
  font-size: 0.74rem;
  line-height: 1.4;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--soft-text);
}

.wiki-external-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.28rem;
  line-height: 1.18;
  color: #24232b;
}

.wiki-external-section {
  display: grid;
  gap: 8px;
}

.wiki-external-section + .wiki-external-section {
  padding-top: 14px;
  border-top: 1px solid rgba(90, 96, 110, 0.10);
}

.wiki-external-label {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.4;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--soft-text);
}

.wiki-external-copy,
.wiki-external-note {
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.82;
  color: var(--text);
}

.wiki-external-note {
  color: var(--soft-text);
}

.wiki-external-source {
  margin: 0;
  font-size: 0.76rem;
  line-height: 1.5;
  color: var(--soft-text);
}

.wiki-external-source a {
  color: #2358aa;
  text-decoration: underline;
  text-underline-offset: 0.14em;
}

.wiki-article h2,
.wiki-article h3,
.wiki-article h4,
.wiki-article h5 {
  margin: 0;
  font-family: var(--font-display);
  line-height: 1.14;
  color: #24232b;
}

.wiki-article h2 {
  font-size: 1.44rem;
  margin-top: 8px;
}

.wiki-article h3 {
  font-size: 1.14rem;
}

.wiki-article h4,
.wiki-article h5 {
  font-size: 1rem;
  color: var(--soft-text);
}

.wiki-article ul,
.wiki-article ol {
  margin: 0;
  padding-left: 22px;
  display: grid;
  gap: 10px;
}

.wiki-empty {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--soft-text);
}

.alphabet-content {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(320px, 44%) minmax(0, 1fr);
  background: rgba(252, 253, 252, 0.98);
}

.alphabet-content.is-alphabet-circle-collapsed {
  grid-template-columns: minmax(0, 1fr);
}

.alphabet-content.is-alphabet-circle-collapsed .alphabet-circle-view {
  display: none;
}

.alphabet-circle-view {
  min-height: 0;
  padding: 26px;
  display: grid;
  place-items: center;
  border-right: 1px solid rgba(60, 64, 80, 0.08);
  background:
    radial-gradient(circle at center, rgba(255,255,255,0.86) 0 30%, transparent 31%),
    linear-gradient(180deg, rgba(247,249,248,0.92), rgba(239,244,240,0.88));
}

.alphabet-circle {
  position: relative;
  width: min(100%, 470px);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  border: 1px solid rgba(111, 143, 121, 0.18);
  background:
    radial-gradient(circle at center, rgba(255,255,255,0.94) 0 31%, rgba(231,239,233,0.54) 32% 33%, transparent 34%),
    radial-gradient(circle at center, transparent 0 63%, rgba(111, 143, 121, 0.11) 64% 65%, transparent 66%);
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.74),
    0 18px 48px rgba(34, 36, 45, 0.08);
}

.alphabet-circle-center {
  position: absolute;
  inset: 32%;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #3f434f;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 2.15rem);
  line-height: 1;
  background: rgba(255,255,255,0.82);
  box-shadow: inset 0 0 0 1px rgba(111, 143, 121, 0.12);
}

.alphabet-letter-node {
  position: absolute;
  left: 50%;
  top: 50%;
  width: clamp(34px, 7vw, 44px);
  height: clamp(34px, 7vw, 44px);
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(90, 96, 110, 0.10);
  background: rgba(255,255,255,0.92);
  color: var(--text);
  font: inherit;
  font-size: 0.94rem;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(34, 36, 45, 0.06);
  transform: translate(-50%, -50%);
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.alphabet-letter-node:hover,
.alphabet-letter-node:focus-visible,
.alphabet-letter-node.is-active {
  background: rgba(231, 239, 233, 0.98);
  border-color: rgba(111, 143, 121, 0.30);
  color: #243126;
  outline: none;
  box-shadow: 0 12px 28px rgba(34, 36, 45, 0.10);
}

.alphabet-reader {
  background: rgba(252, 253, 252, 0.98);
}

.alphabet-reader .wiki-reader-empty {
  max-width: 680px;
}

@media (max-width: 980px) {
  .wiki-status {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }

  .library-shell {
    grid-template-columns: minmax(210px, 260px) minmax(0, 1fr);
  }

  .library-shell.is-source-list-collapsed {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 760px) {
  .wiki-note {
    font-size: 0.68rem;
    padding: 4px 8px;
  }

  .wiki-modal {
    padding: 10px;
  }

  .wiki-shell {
    height: min(94vh, 980px);
  }

  .wiki-toolbar {
    gap: 10px;
    padding: 16px;
  }

  .collection-nav {
    justify-content: center;
    width: auto;
    gap: 2px;
  }

  .collection-nav-btn {
    min-height: 30px;
    padding: 0 6px;
  }

  .wiki-content {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(220px, 34vh) minmax(0, 1fr);
  }

  .wiki-content.is-directory-collapsed {
    grid-template-rows: minmax(0, 1fr);
  }

  .wiki-directory {
    border-right: none;
    border-bottom: 1px solid rgba(60, 64, 80, 0.08);
  }

  .wiki-reader {
    padding: 20px 18px 24px;
  }

  .library-modal,
  .source-preview-modal {
    padding: 10px;
  }

  .library-shell {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto auto minmax(0, 1fr);
    height: min(94vh, 980px);
    border-radius: 34px;
  }

  .library-toolbar {
    gap: 10px;
    padding: 16px;
  }

  .library-page-controls {
    width: 100%;
    justify-content: center;
    gap: 6px;
    padding: 10px 12px;
  }

  .library-secondary-toolbar {
    grid-column: 1;
    grid-row: 3;
  }

  .library-secondary-spacer {
    display: none;
  }

  .library-page-indicator {
    font-size: 0.8rem;
  }

  .library-page-toolbar-btn {
    display: inline-block;
    flex: 0 0 38px;
  }

  .library-zoom-controls {
    display: none;
  }

  .library-page-jump {
    flex: 0 1 auto;
    justify-content: center;
    min-width: 0;
    padding-left: 8px;
  }

  .library-page-jump-label {
    display: none;
  }

  .library-page-jump-input {
    width: 62px;
  }

  .library-shell.is-source-list-collapsed .library-secondary-toolbar {
    grid-row: 2;
  }

  .library-shell.is-source-list-collapsed .library-reader {
    grid-row: 3;
  }

  .library-source-list {
    grid-column: 1;
    grid-row: 2;
    max-height: 220px;
    overflow-x: hidden;
    overflow-y: auto;
    border-right: none;
    border-bottom: 1px solid rgba(60, 64, 80, 0.08);
    padding: 12px;
  }

  .library-content.is-source-list-collapsed .library-source-list {
    display: none;
  }

  .library-reader {
    grid-column: 1;
    grid-row: 4;
    padding: 16px 12px 18px;
  }

  .library-page-stage {
    grid-template-columns: minmax(0, 1fr);
  }

  .library-page-turn-btn {
    display: none;
  }

  .library-page-image-wrap {
    grid-column: 1;
  }

  .library-page-image {
    width: auto;
    height: calc(94vh - 280px);
    max-height: 100%;
  }

  .library-page-image.is-rotated {
    width: auto;
    height: min(100%, calc(100vw - 44px));
    max-width: none;
    max-height: none;
  }

  .library-article-shell,
  .wiki-source-article-shell {
    width: 100%;
  }

  .source-preview-card {
    border-radius: 20px;
  }

  .source-preview-header {
    padding: 16px;
  }

  .source-preview-body {
    padding: 14px;
  }

  .source-preview-body .library-page-image {
    max-height: min(58vh, 520px);
  }

  .alphabet-content {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(260px, 40vh) minmax(0, 1fr);
  }

  .alphabet-content.is-alphabet-circle-collapsed {
    grid-template-rows: minmax(0, 1fr);
  }

  .alphabet-circle-view {
    padding: 18px;
    border-right: none;
    border-bottom: 1px solid rgba(60, 64, 80, 0.08);
  }

  .alphabet-circle {
    width: min(100%, 330px);
  }

  .alphabet-letter-node {
    width: 32px;
    height: 32px;
  }
}

@media (max-width: 760px) {
  .wiki-toolbar,
  .library-toolbar {
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-rows: auto auto;
    row-gap: 10px;
  }

  .wiki-toolbar-history {
    grid-column: 1;
    grid-row: 1;
  }

  .wiki-toolbar-search {
    grid-column: 2;
    grid-row: 1;
    justify-self: stretch;
    width: 100%;
  }

  .wiki-toolbar-actions {
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
  }

  .wiki-toolbar > .collection-nav,
  .library-toolbar > .collection-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: center;
  }
}