.tabs { min-width: 0; }
.tabs [role="tablist"] { display: flex; gap: 6px; overflow-x: auto; max-width: 100%; padding: 4px; border-bottom: 1px solid var(--border); scrollbar-width: thin; }
.tabs [role="tab"] { position: relative; display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; flex-shrink: 0; padding: 12px 18px; border: 0; border-radius: var(--radius-ctl); background: var(--transparent); color: var(--text-muted); font-size: 14px; text-align: left; }
.tabs [role="tab"]:hover { background: var(--bg-panel-2); color: var(--text); }
.tabs [role="tab"][aria-selected="true"] { background: var(--bg-panel); color: var(--text); }
.tabs [role="tab"][aria-selected="true"]::after { content: ""; position: absolute; height: 2px; left: 12px; right: 12px; bottom: 0; border-radius: var(--radius-ctl); background: var(--grad-accent); color: var(--text); }
.tabs [role="tab"] svg { width: 18px; height: 18px; }
.tabs [role="tabpanel"] { min-width: 0; margin-top: 24px; }
.layer-tabs { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 40px; }
.layer-tabs [role="tablist"] { flex-direction: column; align-self: start; border-bottom: 0; padding: 0; gap: 6px; }
.layer-tabs [role="tab"] { justify-content: flex-start; flex-direction: column; align-items: flex-start; gap: 5px; padding: 18px 22px; }
.tab__key { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); }
.layer-tabs [role="tab"][aria-selected="true"]::after { left: 0; top: 12px; bottom: 12px; right: auto; width: 2px; height: auto; }
.layer-tabs [role="tabpanel"] { margin-top: 0; }
.layer-panel { padding: 32px; border: 1px solid var(--border); border-radius: var(--radius-panel); background: var(--panel-sheen), var(--bg-panel); color: var(--text); box-shadow: var(--shadow-panel); }
.layer-panel__visual { height: 190px; display: grid; place-items: center; margin-bottom: 24px; perspective: 600px; }
.mini-plates { position: relative; width: 160px; height: 130px; }
.mini-plates span { position: absolute; width: 132px; height: 100px; left: 14px; top: 32px; border: 1px solid var(--border); border-radius: var(--radius-ctl); background: var(--panel-sheen), var(--bg-panel-2); color: var(--text); transform: rotateX(58deg) rotateZ(-38deg); box-shadow: var(--shadow-panel); }
.mini-plates span:nth-child(2) { top: 10px; }
.mini-plates span:nth-child(3) { top: -12px; }
.mini-plates span.is-lit { border-color: var(--accent); box-shadow: 0 0 30px -8px color-mix(in srgb, var(--accent-pink) 48%, var(--transparent)); }
.layer-panel p { color: var(--text-muted); }
.toc { position: sticky; top: 0; z-index: 10; display: flex; gap: 8px; overflow-x: auto; max-width: 100%; padding: 12px; border: 1px solid var(--border); border-radius: var(--radius-panel); background: var(--bg); color: var(--text); overscroll-behavior-x: contain; }
.toc a { display: inline-flex; align-items: center; min-height: 44px; flex-shrink: 0; padding: 10px 14px; border-radius: var(--radius-ctl); color: var(--text-muted); font-size: 13px; }
.toc a:hover, .toc a[aria-current="location"] { background: var(--bg-panel); color: var(--text); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; padding: 22px 0; font-weight: var(--weight-semibold); cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; flex-shrink: 0; font-family: var(--font-mono); color: var(--text-muted); }
.faq-item[open] summary::after { content: "−"; }
.faq-item__answer { padding-bottom: 24px; max-width: 800px; color: var(--text-muted); }
.faq-item__answer p:last-child { margin-bottom: 0; }
.term-card { border-top: 1px solid var(--border); padding-top: 24px; padding-bottom: 24px; min-width: 0; }
.term-card__key { font-family: var(--font-mono); color: var(--text-muted); font-size: 12px; margin-bottom: 8px; }
.term-card h3 { font-size: 22px; margin-bottom: 12px; }
.term-card p { color: var(--text-muted); }
.term-card__related { display: flex; flex-wrap: wrap; gap: 12px; font-size: 13px; }
.badge { display: inline-flex; align-items: center; gap: 6px; max-width: 100%; padding: 3px 8px; border: 1px solid var(--border); border-radius: var(--radius-ctl); background: var(--bg-panel-2); color: var(--text); font-size: 11px; font-weight: var(--weight-medium); line-height: 1.6; overflow-wrap: anywhere; }
.badge--first { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); background: var(--bg-panel); color: var(--accent); }
.badge--recommended { background: var(--bg-panel); color: var(--success); }
.badge--retired { background: var(--bg-panel); color: var(--warn); }
.badge--error { background: var(--bg-panel); color: var(--error); }
.badge--dot::before { content: ""; width: 5px; height: 5px; flex-shrink: 0; border-radius: var(--radius-round); background: currentColor; color: inherit; }
.tag { display: inline-block; max-width: 100%; padding: 3px 8px; border: 1px solid var(--border); border-radius: var(--radius-ctl); background: var(--bg-panel); color: var(--text-muted); font-size: 11px; overflow-wrap: anywhere; }
.client-card { position: relative; }
.client-card--first { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.client-card__head { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.client-card__icon { width: 56px; height: 56px; flex-shrink: 0; }
.client-card__heading { min-width: 0; }
.client-card__heading h3 { margin: 0 0 6px; }
.client-card__badges { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.client-card__actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.client-card__details { display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 10px 16px; margin: 24px 0 0; font-size: 13px; }
.client-card__details dt { color: var(--text-muted); }
.client-card__details dd { margin: 0; min-width: 0; }
.article-card { display: flex; flex-direction: column; }
.article-card .card__body { flex-grow: 1; }
.article-card__more { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: var(--weight-semibold); margin-top: 16px; min-height: 36px; }
.callout { margin: 28px 0; padding: 20px 24px; border: 1px solid var(--border); border-left: 2px solid var(--accent); border-radius: var(--radius-ctl); background: var(--panel-sheen), var(--bg-panel); color: var(--text); }
.callout p { color: var(--text-muted); }
.callout p:last-child { margin-bottom: 0; }
.callout__title { display: block; margin-bottom: 8px; font-size: 14px; font-weight: var(--weight-semibold); color: var(--text); }
.callout--warn { border-left-color: var(--warn); }
.callout--error { border-left-color: var(--error); }
.callout--success { border-left-color: var(--success); }
.table-scroll { max-width: 100%; min-width: 0; overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-panel); -webkit-overflow-scrolling: touch; }
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table caption { padding: 16px; text-align: left; color: var(--text-muted); }
.data-table th, .data-table td, .prose table th, .prose table td {
  min-width: 7em;
  padding: 16px 20px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
  overflow-wrap: normal;
  word-break: normal;
}
.data-table th, .prose table th { background: var(--bg-panel-2); color: var(--text); font-weight: var(--weight-semibold); }
.data-table td, .prose table td { background: var(--bg-panel); color: var(--text-muted); }
.data-table tr:last-child td { border-bottom: 0; }
.prose table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100%; min-width: 0; border-collapse: collapse; }
.prose table code, .data-table code { overflow-wrap: anywhere; white-space: normal; }
.download-guide { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 24px; margin-top: 48px; }
.download-guide h2, .download-guide h3 { font-size: 24px; margin-bottom: 10px; }
.download-guide p { color: var(--text-muted); }
.dl-fab { position: fixed; z-index: 30; right: max(var(--gutter), env(safe-area-inset-right)); bottom: max(24px, env(safe-area-inset-bottom)); display: inline-flex; align-items: center; gap: 12px; max-width: calc(100% - var(--gutter) * 2); min-height: 58px; padding: 12px 18px; border: 1px solid color-mix(in srgb, var(--accent) 50%, var(--border)); border-radius: var(--radius-panel); background: var(--bg-panel); color: var(--text); box-shadow: var(--shadow-panel); font-size: 13px; }
.dl-fab svg { width: 20px; height: 20px; color: var(--accent); }
.dl-fab strong, .dl-fab small { display: block; }
.dl-fab small { color: var(--text-muted); font-size: 11px; }
.dl-fab:hover { border-color: var(--accent); }
.has-dl-fab .footer { padding-bottom: 112px; }
.palette { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.swatch { padding: 12px; border: 1px solid var(--border); border-radius: var(--radius-panel); min-width: 0; }
.swatch__paint { height: 64px; border-radius: var(--radius-ctl); border: 1px solid var(--border); margin-bottom: 12px; }
.swatch code { font-size: 11px; }
.swatch--bg .swatch__paint { background: var(--bg); color: var(--text); }
.swatch--panel .swatch__paint { background: var(--bg-panel); color: var(--text); }
.swatch--panel2 .swatch__paint { background: var(--bg-panel-2); color: var(--text); }
.swatch--border .swatch__paint { background: var(--border); color: var(--text); }
.swatch--accent .swatch__paint { background: var(--accent); color: var(--bg); }
.swatch--pink .swatch__paint { background: var(--accent-pink); color: var(--bg); }
.swatch--dark .swatch__paint { background: var(--accent-dark); color: var(--text); }
.swatch--link .swatch__paint { background: var(--link); color: var(--bg); }
.swatch--text .swatch__paint { background: var(--text); color: var(--bg); }
.swatch--muted .swatch__paint { background: var(--text-muted); color: var(--bg); }
.swatch--success .swatch__paint { background: var(--success); color: var(--bg); }
.swatch--warn .swatch__paint { background: var(--warn); color: var(--bg); }
.swatch--error .swatch__paint { background: var(--error); color: var(--bg); }
.swatch--mask .swatch__paint { background: var(--ink-mask); color: var(--text); }
.demo-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }
.demo-header-menu { display: none; position: relative; }
.demo-header-menu > summary { list-style: none; display: flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; cursor: pointer; }
.demo-header-menu nav { position: absolute; right: 0; top: 100%; width: min(280px, calc(100vw - var(--gutter) * 2)); padding: 12px; background: var(--bg-panel); color: var(--text); border: 1px solid var(--border); border-radius: var(--radius-panel); }
.demo-header-menu nav a { display: flex; width: 100%; align-items: center; min-height: 44px; padding: 10px 12px; }
@media (max-width: 1280px) {
  .demo-header-menu { display: block; }
}
@media (max-width: 768px) {
  .layer-tabs { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .layer-tabs [role="tablist"] { flex-direction: row; }
  .layer-tabs [role="tab"] { padding: 12px 16px; }
  .layer-tabs [role="tab"][aria-selected="true"]::after { top: auto; bottom: 0; left: 12px; right: 12px; height: 2px; width: auto; }
  .layer-panel { padding: 22px; }
  .palette { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .palette { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .download-guide { grid-template-columns: minmax(0, 1fr); }
  .dl-fab { padding: 10px 14px; bottom: max(16px, env(safe-area-inset-bottom)); }
  .dl-fab small { display: none; }
  .client-card__actions { align-items: stretch; }
  .client-card__actions > a { flex: 1 1 180px; }
}