.tabs { min-width: 0; }
.tab-bar { display: flex; align-items: center; justify-content: center; gap: 20px; flex-wrap: wrap; margin-top: 32px; margin-bottom: 28px; }
[role="tablist"] { display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: wrap; min-width: 0; }
[role="tab"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  gap: 8px;
  padding: 10px 20px;
  border: 0;
  border-radius: var(--r-pill);
  background: var(--app-chrome);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 14px;
  transition: background-color var(--ease-ui),color var(--ease-ui);
}
[role="tab"]:hover { background: var(--bg-panel-2); color: var(--text); }
[role="tab"][aria-selected="true"] { background: var(--accent); color: var(--on-ink); }
[role="tabpanel"] { min-width: 0; }
.shelf-controls { display: flex; gap: 8px; margin-left: auto; }
.round-button { width: 44px; height: 44px; border: 0; border-radius: var(--r-circle); display: inline-flex; align-items: center; justify-content: center; background: var(--app-chrome); color: var(--text); font-size: 25px; }
.round-button:hover { background: var(--bg-panel-2); color: var(--text); }
.feature-track { display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 24px) / 2); gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding-inline: 1px; padding-bottom: 20px; text-align: left; overscroll-behavior-x: contain; }
.feature-card { min-width: 0; padding: 30px; border-radius: var(--r-card-lg); scroll-snap-align: start; background: linear-gradient(155deg,var(--bg-panel-2),var(--card-blue-end)); color: var(--text); display: flex; flex-direction: column; gap: 20px; }
.feature-card h3 { font-size: 24px; }
.feature-card p { font-size: 14px; line-height: 1.85; }
.feature-card pre { margin-top: auto; font-size: 12px; padding: 14px; background: var(--glass); color: var(--text); }
.feature-card--ink { background: linear-gradient(155deg,var(--text),var(--card-ink-end)); color: var(--on-ink); }
.feature-card--ink pre { background: var(--ink-hi); color: var(--on-ink); }
.feature-card--lilac { background: linear-gradient(155deg,var(--card-lilac),var(--card-lilac-end)); color: var(--text); }
.feature-card--mint { background: linear-gradient(155deg,var(--card-mint),var(--card-mint-end)); color: var(--text); }
.feature-card__icon { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid currentColor; border-radius: var(--r-btn); font-size: 21px; flex-shrink: 0; }
.toc { position: sticky; top: 12px; z-index: 10; padding: 10px; border: 1px solid var(--border); border-radius: var(--r-card); background: var(--bg-panel); color: var(--text); box-shadow: var(--shadow-card); max-width: 100%; }
.toc ul { display: flex; flex-wrap: wrap; gap: 6px; padding: 0; list-style: none; }
.toc a { display: block; padding: 9px 14px; min-height: 44px; border-radius: var(--r-pill); font-size: 14px; }
.toc a:hover, .toc a[aria-current="location"] { background: var(--bg-panel-2); color: var(--text); }
.toc--static { position: static; }
.faq-list { display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--r-card); background: var(--bg-panel); color: var(--text); overflow: clip; }
.faq-item summary { position: relative; padding: 22px 56px 22px 24px; cursor: pointer; list-style: none; font-weight: 700; line-height: 1.6; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; top: 22px; right: 24px; color: var(--text-muted); font-size: 22px; line-height: 1.2; }
.faq-item[open] summary::after { content: "−"; }
.faq-item__answer { padding: 0 24px 24px; color: var(--text-muted); }
.faq-item__answer > * + * { margin-top: 12px; }
.term-card { padding: 28px; border-radius: var(--r-card); border: 1px solid var(--border); background: var(--bg-panel); color: var(--text); min-width: 0; }
.term-card dt, .term-card h3 { font-size: 22px; font-weight: 800; margin-bottom: 12px; }
.term-card dd { margin: 0; color: var(--text-muted); line-height: 1.8; }
.term-card__category { display: block; margin-bottom: 10px; font-size: 12px; color: var(--text-muted); }
.client-card { padding: 32px; border: 1px solid var(--border); border-radius: var(--r-card-lg); background: var(--bg-panel); color: var(--text); box-shadow: var(--shadow-card); min-width: 0; }
.client-card__head { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.client-card__head > div { min-width: 0; }
.client-card__logo { width: 56px; height: 56px; flex-shrink: 0; }
.client-card__version { color: var(--text-muted); font-family: var(--font-mono); font-size: 13px; }
.client-card__body > * + * { margin-top: 16px; }
.client-card__downloads { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.tag { display: inline-flex; align-items: center; gap: 6px; max-width: 100%; min-width: 0; padding: 4px 10px; border-radius: var(--r-pill); background: var(--bg-panel-2); color: var(--text-muted); font-size: 12px; font-weight: 600; line-height: 1.6; overflow-wrap: anywhere; }
.tag--primary { background: var(--text); color: var(--on-ink); }
.tag--recommended { background: var(--bg-panel-2); color: var(--text); }
.tag--retired { background: var(--warn-soft); color: var(--warn-ink); }
.tag--status { background: var(--success-soft); color: var(--success-ink); }
.tag--status::before { content: ""; width: 6px; height: 6px; border-radius: var(--r-circle); background: var(--success); flex-shrink: 0; }
.tag--error { background: var(--error-soft); color: var(--error-ink); }
.article-card { position: relative; min-width: 0; padding: 28px; border-radius: var(--r-card); border: 1px solid var(--border); background: var(--bg-panel); color: var(--text); box-shadow: var(--shadow-card); }
.article-card__meta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 20px; color: var(--text-muted); font-size: 12px; }
.article-card h3 { font-size: 21px; line-height: 1.5; }
.article-card p { margin-top: 14px; color: var(--text-muted); font-size: 14px; }
.article-card__link { display: inline-block; padding-top: 20px; color: var(--accent-dark); font-weight: 600; font-size: 14px; }
.callout { margin: 0; padding: 24px 28px; border: 0; border-left: 4px solid var(--border-strong); border-radius: var(--r-btn); background: var(--bg-panel-2); color: var(--text); }
.callout > * + * { margin-top: 10px; }
.callout--warn { background: var(--warn-soft); color: var(--text); border-left-color: var(--warn); }
.callout--error { background: var(--error-soft); color: var(--text); border-left-color: var(--error); }
.table-scroll { overflow-x: auto; max-width: 100%; min-width: 0; overscroll-behavior-x: contain; -webkit-overflow-scrolling: touch; border: 1px solid var(--border); border-radius: var(--r-btn); background: var(--bg-panel); color: var(--text); }
.data-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 14px; }
.data-table th, .data-table td, .prose table th, .prose table td, .article-body table th, .article-body table td {
  min-width: 7em;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  overflow-wrap: normal;
  word-break: normal;
}
.data-table th, .prose table th, .article-body table th { background: var(--bg-panel-2); color: var(--text); font-weight: 700; }
.data-table td, .prose table td, .article-body table td { background: var(--bg-panel); color: var(--text); }
.data-table tr:last-child td { border-bottom: 0; }
.prose table, .article-body table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100%; min-width: 0; border-collapse: collapse; text-align: left; }
.data-table code, .prose table code, .article-body table code { overflow-wrap: anywhere; }
.download-guide { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 24px; padding: 30px; border-radius: var(--r-card); background: var(--bg-panel-2); color: var(--text); }
.download-guide > div { min-width: 0; flex: 1 1 260px; }
.download-guide p { margin-top: 8px; color: var(--text-muted); }
.dl-fab { position: fixed; z-index: 30; right: max(20px,env(safe-area-inset-right)); bottom: max(20px,env(safe-area-inset-bottom)); display: flex; align-items: center; gap: 12px; max-width: calc(100% - 32px); min-height: 56px; padding: 12px 20px; border-radius: var(--r-btn); background: var(--text); color: var(--on-ink); box-shadow: 0 12px 28px -12px var(--shadow-ink-strong); font-size: 14px; font-weight: 650; }
.dl-fab svg { width: 22px; height: 22px; flex-shrink: 0; }
.dl-fab:hover { background: var(--ink-hover); color: var(--on-ink); }
.has-dl-fab .site-footer { padding-bottom: 104px; }
.fact-strip { display: flex; justify-content: center; gap: 16px 28px; flex-wrap: wrap; padding: 16px 24px; font: 12px var(--font-mono); background: var(--bg-panel-2); color: var(--text-muted); }
.swatch-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(155px,1fr)); gap: 14px; }
.swatch { min-width: 0; padding: 12px; border: 1px solid var(--border); border-radius: var(--r-btn); background: var(--bg-panel); color: var(--text); font: 12px var(--font-mono); }
.swatch__color { display: block; height: 60px; margin-bottom: 10px; border-radius: var(--r-small); }
.swatch--sky .swatch__color { background: var(--sky-top); }
.swatch--sky-end .swatch__color { background: var(--sky-bottom); }
.swatch--white .swatch__color { background: var(--bg-panel); border: 1px solid var(--border); }
.swatch--panel .swatch__color { background: var(--bg-panel-2); }
.swatch--border .swatch__color { background: var(--border); }
.swatch--strong .swatch__color { background: var(--border-strong); }
.swatch--accent .swatch__color { background: var(--accent); }
.swatch--accent-dark .swatch__color { background: var(--accent-dark); }
.swatch--text .swatch__color { background: var(--text); }
.swatch--muted .swatch__color { background: var(--text-muted); }
.swatch--success .swatch__color { background: var(--success); }
.swatch--warn .swatch__color { background: var(--warn); }
.swatch--error .swatch__color { background: var(--error); }
.swatch--lilac .swatch__color { background: var(--card-lilac); }
.swatch--mint .swatch__color { background: var(--card-mint); }
.swatch--metal .swatch__color { background: linear-gradient(var(--alu-edge),var(--alu-hi),var(--alu-mid),var(--alu-lo),var(--alu-deep)); }
.swatch--graphite .swatch__color { background: linear-gradient(var(--graphite),var(--graphite-2)); }
.swatch--desktop .swatch__color { background: linear-gradient(var(--desk-a),var(--desk-b)); }
.swatch--chrome .swatch__color { background: var(--app-chrome); }
.swatch--side .swatch__color { background: var(--app-side); }
.swatch--skeleton .swatch__color { background: linear-gradient(var(--skeleton),var(--skeleton-2)); }
.swatch--code .swatch__color { background: var(--code-str); }
.swatch--glass .swatch__color { background: linear-gradient(90deg,var(--glass),var(--glass-soft)),var(--sky-top); }
.swatch--fog .swatch__color { background: radial-gradient(closest-side,var(--fog),var(--fog-0)),var(--sky-top); }
.swatch--ink-end .swatch__color { background: var(--card-ink-end); }
.swatch--blue-end .swatch__color { background: var(--card-blue-end); }
.swatch--lilac-end .swatch__color { background: var(--card-lilac-end); }
.swatch--mint-end .swatch__color { background: var(--card-mint-end); }
.token-note { margin-top: 24px; font-size: 13px; color: var(--text-muted); }
.preview-buttons { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.preview-buttons > div { display: grid; gap: 10px; }
.preview-buttons small { color: var(--text-muted); }
.preview-only-nav { display: none; }
@media (max-width: 960px) {
  .feature-track { grid-auto-columns: 100%; }
}
@media (max-width: 640px) {
  [role="tablist"] { gap: 6px; }
  [role="tab"] { padding: 10px 14px; font-size: 13px; }
  .tab-bar { gap: 12px; }
  .shelf-controls { margin-left: 0; }
  .feature-track { grid-auto-flow: row; grid-template-columns: minmax(0,1fr); grid-auto-columns: auto; gap: 16px; }
  .shelf-controls { display: none; }
  .feature-card { padding: 26px; }
  .client-card { padding: 22px; }
  .callout { padding: 20px; }
  .toc { position: static; }
  .toc ul { flex-wrap: nowrap; overflow-x: auto; }
  .toc li { flex-shrink: 0; }
  .dl-fab { padding: 12px 16px; right: 16px; bottom: max(16px,env(safe-area-inset-bottom)); }
  .download-guide { padding: 24px; }
  .preview-only-nav { display: block; }
  .preview-only-nav summary { min-width: 44px; min-height: 44px; display: grid; place-items: center; cursor: pointer; }
  .preview-only-nav nav { position: absolute; z-index: 48; top: var(--header-height); inset-inline: 0; max-height: calc(100dvh - var(--header-height)); overflow-y: auto; padding: 16px; background: var(--bg-panel); color: var(--text); }
  .preview-only-nav a { display: block; padding: 12px 16px; min-height: 44px; }
}