.tabs { min-width: 0; }
.tablist, [role="tablist"].platform-tabs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 20px;
  border: var(--hairline);
  border-radius: var(--r-btn);
  font: 600 14px/1.4 var(--font-body);
  background: var(--bg);
  color: var(--text-muted);
}
.tab:hover { background: var(--bg-panel-2); color: var(--text); }
.tab[aria-selected="true"] { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.tabpanel { min-width: 0; }
.catalogue {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  align-items: start;
  gap: clamp(32px, 6vw, 96px);
}
.catalogue__intro { position: sticky; top: 32px; }
.catalogue__intro h2 { margin-top: 0; font-size: clamp(28px, 3vw, 42px); line-height: 1.2; }
.catalogue__intro p { font: 400 18px/1.8 var(--font-serif); color: var(--text-muted); max-width: 28em; }
.catalogue__list { display: flex; flex-direction: column; gap: 0; margin-bottom: 24px; border-top: var(--hairline); }
.catalogue__tab {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  gap: 16px;
  width: 100%;
  min-height: 72px;
  padding: 20px 12px 20px 24px;
  border: 0;
  border-bottom: var(--hairline);
  border-radius: 0;
  background: var(--clear);
  color: var(--text-muted);
  font: 700 17px/1.5 var(--font-body);
}
.catalogue__tab[aria-selected="true"] { background: var(--bg-panel-2); color: var(--text); }
.catalogue__tab[aria-selected="true"]::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(50% - 12px);
  width: 4px;
  height: 24px;
  background: var(--text);
  color: var(--bg);
}
.catalogue__tag { font: 500 10px/1.4 var(--font-mono); text-transform: uppercase; letter-spacing: .08em; flex-shrink: 0; }
.catalogue__panel { padding: 28px; background: var(--bg-panel-2); color: var(--text); border-radius: var(--r-panel); }
.catalogue__panel h3 { margin: 0 0 16px; font-size: 20px; }
.catalogue__panel p { line-height: 1.9; }
.field-pairs { margin: 24px 0 0; font: 400 12px/1.7 var(--font-mono); }
.field-pairs > div { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; padding-block: 10px; border-top: var(--hairline); }
.field-pairs dt, .field-pairs dd { margin: 0; overflow-wrap: anywhere; }
.toc {
  position: sticky;
  top: 16px;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding: 12px 16px;
  margin-bottom: 40px;
  border: var(--hairline);
  border-radius: var(--r-menu);
  background: var(--bg-panel);
  color: var(--text);
}
.toc a { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 4px; text-decoration: none; font-size: 13px; }
.toc a:hover, .toc a[aria-current="location"] { text-decoration: underline; text-decoration-thickness: 2px; }
.faq-item { border-top: var(--hairline); }
.faq-item:last-child { border-bottom: var(--hairline); }
.faq-item summary {
  position: relative;
  padding: 24px 40px 24px 0;
  list-style: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 17px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 8px; top: 22px; font: 400 24px/1.3 var(--font-mono); }
.faq-item[open] summary::after { content: "−"; }
.faq-item__body { padding-bottom: 24px; max-width: 54em; color: var(--text-muted); }
.faq-item__body > :last-child { margin-bottom: 0; }
.term-card { background: var(--bg-panel-2); color: var(--text); border-radius: var(--r-panel); padding: 28px; }
.term-card__label { font: 500 11px/1.5 var(--font-mono); color: var(--text-muted); text-transform: uppercase; letter-spacing: .08em; }
.term-card h3 { margin: 14px 0; }
.term-card p { margin-bottom: 0; line-height: 1.9; }
.client-card { border: var(--hairline); border-radius: var(--r-panel); background: var(--bg-panel); color: var(--text); padding: 32px; }
.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__title { flex: 1; min-width: 0; }
.client-card__title h3 { margin: 0 0 8px; }
.client-card__version { font: 400 12px/1.6 var(--font-mono); color: var(--text-muted); overflow-wrap: anywhere; }
.client-card__downloads { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.client-card__notes { margin-top: 16px; font-size: 13px; color: var(--text-muted); }
.badge-row { display: flex; flex-wrap: wrap; gap: 8px; }
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: var(--hairline);
  border-radius: var(--r-pill);
  font: 500 11px/1.4 var(--font-mono);
  max-width: 100%;
  overflow-wrap: anywhere;
  background: var(--bg-panel);
  color: var(--text);
}
.status-badge--first { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.status-badge--recommended { background: var(--bg-panel-2); color: var(--text); }
.status-badge--retired { background: var(--bg); color: var(--text-muted); border-style: dashed; }
.status-badge__dot { width: 6px; height: 6px; flex-shrink: 0; border-radius: var(--r-round); background: var(--success); }
.article-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 32px;
  border-radius: var(--r-panel);
  background: var(--bg-panel-2);
  color: var(--text);
}
.article-card h3 { margin: 18px 0; font-size: 23px; line-height: 1.45; }
.article-card h3 a { text-decoration: none; }
.article-card h3 a:hover { text-decoration: underline; }
.article-card__summary { font: 400 17px/1.85 var(--font-serif); color: var(--text-muted); }
.article-card__meta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  width: 100%;
  margin-top: auto;
  padding-top: 24px;
  border-top: var(--hairline);
  font: 400 11px/1.5 var(--font-mono);
  color: var(--text-muted);
}
.article-card__link { display: inline-flex; align-items: center; min-height: 44px; margin-top: 18px; font-size: 14px; text-decoration: none; }
.callout {
  margin: 32px 0;
  padding: 24px 28px;
  border-left: 4px solid var(--text);
  border-radius: 0 var(--r-menu) var(--r-menu) 0;
  background: var(--bg-panel-2);
  color: var(--text);
}
.callout__title { display: block; margin-bottom: 8px; font-weight: 700; }
.callout > :last-child { margin-bottom: 0; }
.callout--warning { 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; -webkit-overflow-scrolling: touch; border: var(--hairline); border-radius: var(--r-menu); }
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; text-align: left; }
.data-table th, .data-table td, .prose table th, .prose table td {
  min-width: 7em;
  padding: 16px 20px;
  border-bottom: var(--hairline);
  overflow-wrap: normal;
  word-break: normal;
  vertical-align: top;
}
.data-table th, .prose table th { background: var(--bg-panel-2); color: var(--text); font-weight: 700; }
.data-table td, .prose table td { background: var(--bg-panel); color: var(--text); }
.data-table tr:last-child td { border-bottom: 0; }
.data-table code, .prose table code { overflow-wrap: anywhere; }
.prose table {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-collapse: collapse;
  margin-block: 24px;
}
.download-guide {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px;
  margin-top: 48px;
  border-radius: var(--r-panel);
  background: var(--bg-panel-2);
  color: var(--text);
}
.download-guide h2 { margin: 0 0 12px; font-size: 24px; }
.download-guide p { margin: 0; color: var(--text-muted); }
.download-guide .btn { flex-shrink: 0; }
.dl-fab {
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  z-index: 25;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  max-width: calc(100vw - 40px);
  min-height: 60px;
  padding: 14px 20px;
  border: 1px solid var(--canvas-line);
  border-radius: var(--r-menu);
  background: var(--accent);
  color: var(--on-accent);
  text-decoration: none;
}
.dl-fab svg { width: 24px; height: 24px; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.5; }
.dl-fab__text { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.dl-fab__title { font-weight: 700; font-size: 14px; }
.dl-fab__note { font: 400 10px/1.5 var(--font-mono); color: var(--canvas-ink); }
.dl-fab:hover { background: var(--accent-dark); color: var(--on-accent); }
.dl-fab:focus-visible { outline-color: var(--canvas-ink); }
.has-dl-fab { padding-bottom: 100px; }
.swatch-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.swatch { min-width: 0; border: var(--hairline); border-radius: var(--r-sm); overflow: hidden; background: var(--bg-panel); color: var(--text); }
.swatch__paint { display: block; height: 72px; background: var(--swatch); color: var(--text); }
.swatch code { display: block; padding: 12px; font-size: 11px; }
.sw-bg { --swatch: var(--bg); }
.sw-panel { --swatch: var(--bg-panel); }
.sw-panel2 { --swatch: var(--bg-panel-2); }
.sw-border { --swatch: var(--border); }
.sw-accent { --swatch: var(--accent); }
.sw-accent-dark { --swatch: var(--accent-dark); }
.sw-text { --swatch: var(--text); }
.sw-muted { --swatch: var(--text-muted); }
.sw-success { --swatch: var(--success); }
.sw-warn { --swatch: var(--warn); }
.sw-error { --swatch: var(--error); }
.sw-on { --swatch: var(--on-accent); }
.sw-canvas { --swatch: var(--canvas); }
.sw-ink { --swatch: var(--canvas-ink); }
.sw-line { --swatch: var(--canvas-line); }
.sw-canvas-muted { --swatch: var(--canvas-muted); }
.sw-sage { --swatch: var(--tile-sage); }
.sw-clay { --swatch: var(--tile-clay); }
.sw-slate { --swatch: var(--tile-slate); }
.sw-sand { --swatch: var(--tile-sand); }
.sw-bone { --swatch: var(--tile-bone); }
.preview-rule { border-top: var(--hairline); }
.preview-note { margin-top: 24px; font-size: 13px; color: var(--text-muted); }
.type-display { font: 800 clamp(28px, 3vw, 42px)/1.2 var(--font-display); margin: 16px 0; letter-spacing: -.02em; }
.preview-static-fab { position: static; margin-top: 24px; max-width: 100%; }
@media (max-width: 960px) {
  .catalogue { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .catalogue__intro { position: static; }
}
@media (max-width: 640px) {
  .swatch-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tab { flex: 1 1 calc(50% - 8px); padding-inline: 12px; }
  .catalogue__tab { font-size: 15px; padding-left: 16px; gap: 8px; }
  .catalogue__tag { font-size: 9px; }
  .catalogue__panel, .term-card, .client-card, .article-card { padding: 24px; }
  .client-card__head { flex-wrap: wrap; }
  .download-guide { flex-direction: column; align-items: flex-start; padding: 24px; }
  .callout { padding: 20px; }
  .toc { position: static; gap: 0 12px; }
  .dl-fab { padding: 12px 16px; }
  .dl-fab__note { font-size: 9px; }
}