.tabs { min-width: 0; }
.tabs [role="tablist"] {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  max-width: 100%;
  padding: 4px;
  scrollbar-width: thin;
}
.tabs [role="tab"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  min-height: 44px;
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--bg);
  color: var(--text-muted);
  font: inherit;
  text-align: center;
}
.tabs [role="tab"]:hover { background: var(--bg-panel); color: var(--text); }
.tabs [role="tab"][aria-selected="true"] { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.tabs [role="tabpanel"] { min-width: 0; margin-top: 24px; }
.tabs [role="tabpanel"]:not([hidden]) { animation: panel-in .22s var(--ease-out); }
@keyframes panel-in { from { opacity: 0; } to { opacity: 1; } }

.feature-browser { display: grid; grid-template-columns: minmax(0,3fr) minmax(0,7fr); gap: 36px; }
.feature-browser [role="tablist"] { flex-direction: column; align-items: stretch; gap: 0; overflow: visible; padding: 0; }
.feature-browser [role="tab"] {
  position: relative;
  justify-content: flex-start;
  gap: 14px;
  min-height: 76px;
  padding: 22px 16px 22px 28px;
  border: 0;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  background: var(--bg);
  color: var(--text-muted);
  text-align: left;
}
.feature-browser [role="tab"][aria-selected="true"] { background: var(--bg); color: var(--text); border-color: var(--border); }
.feature-browser [role="tab"][aria-selected="true"]::before {
  content: "";
  position: absolute;
  left: 2px;
  top: calc(50% - 4px);
  width: 8px;
  height: 8px;
  border-radius: var(--r-line);
  background: var(--accent);
  color: var(--on-accent);
}
.feature-browser__number { font-family: var(--font-mono); font-size: 14px; flex-shrink: 0; }
.feature-browser [role="tabpanel"] { margin-top: 0; }
.feature-detail {
  position: relative;
  overflow: hidden;
  min-height: 540px;
  padding: 40px;
  border: 1px solid var(--accent);
  border-radius: var(--r-xl);
  background: var(--accent);
  color: var(--on-accent);
}
.feature-detail__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; }
.feature-detail h3 { margin: 0; font-size: 26px; }
.feature-detail__head .btn { flex-shrink: 0; }
.feature-detail__copy { margin: 24px 0 0; max-width: 640px; line-height: 1.85; color: var(--on-accent); }
.feature-detail__sheets { position: relative; height: 230px; margin-top: 36px; }
.feature-detail__sheet {
  position: absolute;
  inset: 28px 12% auto 4%;
  min-height: 180px;
  padding: 24px;
  border: 1px solid var(--glass-line);
  border-radius: var(--r-layer);
  background: var(--glass-1);
  color: var(--on-accent);
  transform: skewY(-9deg);
}
.feature-detail__sheet + .feature-detail__sheet { inset: 56px 2% auto 14%; background: var(--glass-3); color: var(--on-accent); }
.feature-detail__sheet pre { margin: 0; padding: 0; border: 0; background: var(--clear); color: var(--on-accent); font-size: 12px; }

.toc {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
  padding-block: 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}
.toc a { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 16px; border-radius: var(--r-pill); color: var(--text-muted); text-decoration: none; }
.toc a:hover, .toc a[aria-current="location"] { background: var(--bg-panel-2); color: var(--text); }
.toc--sticky { position: sticky; top: 0; z-index: 10; }
.document-layout { display: grid; grid-template-columns: 220px minmax(0,1fr); gap: 48px; align-items: start; }
.document-layout > * { min-width: 0; }
.document-layout > .toc { flex-direction: column; align-items: stretch; }
.document-layout > .toc a { justify-content: flex-start; }

.faq-item { border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--bg); color: var(--text); }
.faq-item + .faq-item { margin-top: 12px; }
.faq-item summary { display: block; position: relative; padding: 24px 60px 24px 24px; cursor: pointer; list-style: none; font-weight: var(--weight-medium); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 26px; top: 22px; color: var(--accent); font-family: var(--font-mono); font-size: 22px; }
.faq-item[open] summary::after { content: "−"; }
.faq-item[open] { background: var(--bg-panel); color: var(--text); }
.faq-item__answer { padding: 0 24px 24px; color: var(--text-muted); }
.faq-item__answer p:last-child { margin-bottom: 0; }
.term-card { border-radius: var(--r-lg); background: var(--bg-panel); color: var(--text); border: 1px solid var(--border); padding: 28px; min-width: 0; }
.term-card__category { color: var(--text-muted); font-size: 13px; margin: 0 0 16px; }
.term-card h3 { margin: 0 0 14px; }
.term-card__field { display: inline-block; margin-bottom: 16px; font-family: var(--font-mono); color: var(--text-muted); font-size: 13px; overflow-wrap: anywhere; }
.term-card p:last-child { margin-bottom: 0; }

.client-card { border: 1px solid var(--border); border-radius: var(--r-xl); background: var(--bg); color: var(--text); padding: 32px; min-width: 0; }
.client-card--preferred { border-color: var(--accent); background: var(--bg-panel); color: var(--text); }
.client-card__head { display: flex; align-items: flex-start; gap: 16px; flex-wrap: wrap; }
.client-card__head h3 { margin: 0; }
.client-card__meta { color: var(--text-muted); font-size: 14px; margin-block: 16px 24px; }
.client-card__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.client-card [data-rev]:empty { display: none; }
.client-card__rev { font-family: var(--font-mono); font-size: 13px; color: var(--text-muted); }
.badge-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--bg-panel-2);
  color: var(--text);
  font-size: 12px;
  line-height: 20px;
  overflow-wrap: anywhere;
  white-space: normal;
}
.badge--first, .badge--recommended { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.badge--archived { background: var(--bg-panel-2); color: var(--text-muted); }
.badge--success { background: var(--bg); color: var(--success); border-color: var(--success); }
.badge--warning { background: var(--bg); color: var(--text); border-color: var(--warn); }
.badge--error { background: var(--bg); color: var(--error); border-color: var(--error); }

.post-card { padding: 28px; border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--bg); color: var(--text); min-width: 0; }
.post-card__meta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; color: var(--text-muted); font-size: 13px; margin-bottom: 24px; }
.post-card h3 { margin: 0 0 16px; font-size: 22px; }
.post-card h3 a { text-decoration: none; }
.post-card h3 a:hover { text-decoration: underline; text-underline-offset: 4px; }
.post-card p { color: var(--text-muted); }
.post-card__link { color: var(--link); text-decoration: none; font-size: 14px; }
.callout { margin: 24px 0; padding: 24px 28px; border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: var(--r-md); background: var(--bg-panel); color: var(--text); }
.callout p:last-child { margin-bottom: 0; }
.callout__title { margin: 0 0 10px; font-weight: var(--weight-medium); }
.callout--warning { border-left-color: var(--warn); }
.callout--success { border-left-color: var(--success); }
.callout--error { border-left-color: var(--error); }
.table-scroll { overflow-x: auto; max-width: 100%; min-width: 0; border: 1px solid var(--border); border-radius: var(--r-md); -webkit-overflow-scrolling: touch; }
.data-table { border-collapse: collapse; width: 100%; background: var(--bg); color: var(--text); text-align: left; }
.data-table th, .data-table td,
.prose table th, .prose table td,
.article-body table th, .article-body table td {
  min-width: 7em;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  overflow-wrap: normal;
  word-break: normal;
  vertical-align: top;
}
.data-table th, .prose table th, .article-body table th { background: var(--bg-panel); color: var(--text); font-weight: var(--weight-medium); }
.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;
  background: var(--bg);
  color: var(--text);
}
.prose table code, .article-body table code, .data-table code { overflow-wrap: anywhere; }

.article-download { display: flex; justify-content: space-between; align-items: center; gap: 28px; flex-wrap: wrap; padding: 32px; border: 1px solid var(--border); border-radius: var(--r-xl); background: var(--bg-panel); color: var(--text); margin-top: 48px; }
.article-download > div { min-width: 0; flex: 1 1 240px; }
.article-download h2 { margin: 0 0 12px; font-size: 26px; }
.article-download p { margin: 0; color: var(--text-muted); }
.dl-fab {
  position: fixed;
  bottom: max(24px,env(safe-area-inset-bottom));
  right: max(24px,env(safe-area-inset-right));
  z-index: 30;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  max-width: calc(100vw - 40px);
  padding: 12px 20px;
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-pill);
  background: var(--accent);
  color: var(--on-accent);
  text-decoration: none;
  font-size: 14px;
}
.dl-fab svg { width: 20px; height: 20px; flex-shrink: 0; }
.dl-fab:hover { background: var(--accent-dark); color: var(--on-accent); }
.has-article-fab .footer { padding-bottom: 100px; }

.token-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 16px; }
.token-card { min-width: 0; padding: 16px; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--bg); color: var(--text); }
.token-card code { display: block; margin-top: 12px; font-size: 12px; }
.token-swatch { display: block; height: 64px; border: 1px solid var(--border); border-radius: var(--r-xs); background: var(--swatch); color: var(--text); }
.sw-bg { --swatch: var(--bg); }
.sw-panel { --swatch: var(--bg-panel); }
.sw-panel-2 { --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-link { --swatch: var(--link); }
.sw-success { --swatch: var(--success); }
.sw-warn { --swatch: var(--warn); }
.sw-error { --swatch: var(--error); }
.sw-ring { --swatch: var(--accent-ring); }
.sw-on { --swatch: var(--on-accent); }
.glass-palette { padding: 24px; border-radius: var(--r-lg); background: var(--accent); color: var(--on-accent); display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 20px; margin-top: 24px; }
.glass-palette > div { min-width: 0; }
.glass-palette .token-swatch { border-color: var(--glass-line); color: var(--on-accent); }
.glass-palette code { display: block; margin-top: 8px; font-size: 12px; }
.sw-g1 { --swatch: var(--glass-1); }
.sw-g2 { --swatch: var(--glass-2); }
.sw-g3 { --swatch: var(--glass-3); }
.sw-g4 { --swatch: var(--glass-4); }
.sw-sheen { --swatch: var(--glass-sheen); }
.sw-clear { --swatch: var(--glass-clear); }
.sw-row { --swatch: var(--glass-row); }
.sw-line { --swatch: var(--glass-line); }
.sw-soft { --swatch: var(--glass-line-soft); }
.sw-strong { --swatch: var(--glass-line-strong); }
.sw-dim { --swatch: var(--glass-text-dim); }
.sw-glow { --swatch: var(--glass-glow); }
.sw-veil { --swatch: var(--veil); }
.sw-transparent { --swatch: var(--clear); }
.type-sample { margin-top: 32px; }
.type-sample__display { font-size: clamp(34px,3.2vw,46px); line-height: 1.16; font-weight: var(--weight-normal); margin: 0 0 20px; }
.preview-note { color: var(--text-muted); font-size: 13px; margin-top: 16px; }
@media (max-width: 1000px) {
  .feature-browser { gap: 24px; grid-template-columns: minmax(0,1fr) minmax(0,2fr); }
  .feature-detail__head { flex-direction: column; }
  .feature-detail { padding: 28px; }
}
@media (max-width: 768px) {
  .feature-browser { display: block; }
  .feature-browser [role="tablist"] { flex-direction: row; overflow-x: auto; gap: 8px; padding: 4px; }
  .feature-browser [role="tab"] { min-height: 44px; padding: 10px 18px; border: 1px solid var(--border); border-radius: var(--r-pill); }
  .feature-browser [role="tab"][aria-selected="true"] { border-color: var(--accent); }
  .feature-browser [role="tab"][aria-selected="true"]::before { display: none; }
  .feature-browser [role="tabpanel"] { margin-top: 24px; }
  .document-layout { display: block; }
  .document-layout > .toc { flex-direction: row; }
  .token-grid, .glass-palette { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .type-sample__display { font-size: 30px; }
}
@media (max-width: 640px) {
  .client-card, .term-card, .post-card { padding: 24px; }
  .feature-detail { min-height: 560px; padding: 24px; }
  .feature-detail h3 { font-size: 24px; }
  .feature-detail__sheets { height: 200px; }
  .feature-detail__sheet { inset-inline: 0 8%; transform: none; padding: 16px; }
  .feature-detail__sheet + .feature-detail__sheet { inset-inline: 8% 0; }
  .article-download { padding: 24px; }
  .callout { padding: 20px; }
  .dl-fab { right: 20px; bottom: max(20px,env(safe-area-inset-bottom)); }
}