.tabs { min-width: 0; }
.tabs-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
[role="tab"] {
  appearance: none;
  min-height: 46px;
  padding: 10px 22px;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--panel);
  color: var(--text-muted);
  font-weight: var(--weight-medium);
}
[role="tab"]:hover { border-color: var(--accent); color: var(--accent); }
[role="tab"][aria-selected="true"] { background: var(--accent); color: var(--panel); border-color: var(--accent); }
[role="tabpanel"] { min-width: 0; scroll-margin-top: 24px; }
.tabs.is-enhanced [role="tabpanel"]:not([hidden]) { animation: panel-appear .28s var(--ease); }
@keyframes panel-appear { from { opacity: 0; } to { opacity: 1; } }

.feature-tabs { display: grid; grid-template-columns: minmax(200px, .8fr) minmax(0, 1.8fr); gap: 56px; align-items: start; }
.tabs-tree { display: flex; flex-direction: column; gap: 0; padding-top: 16px; }
.tabs-tree [role="tab"] {
  position: relative;
  border: 0;
  border-radius: 0;
  padding: 22px 12px 22px 38px;
  text-align: left;
  background: var(--clear);
  color: var(--text-muted);
}
.tabs-tree [role="tab"]::before { content: ""; position: absolute; left: 9px; top: 0; bottom: 0; width: 1px; background: var(--border); }
.tabs-tree [role="tab"]::after { content: ""; position: absolute; left: 4px; top: 31px; width: 11px; height: 11px; border-radius: var(--r-round); background: var(--panel-2); border: 2px solid var(--border); }
.tabs-tree [role="tab"][aria-selected="true"] { background: var(--accent); color: var(--panel); }
.tabs-tree [role="tab"][aria-selected="true"]::before, .tabs-tree [role="tab"][aria-selected="true"]::after { background: var(--accent); border-color: var(--accent); }
.feature-panel { padding: 0; border: 0; overflow: clip; background: var(--panel); color: var(--text); }
.feature-art { padding: 40px; min-height: 240px; background: var(--accent); color: var(--panel); }
.feature-art pre { margin: 0; background: var(--clear); color: var(--panel); border-color: var(--veil-line); }
.feature-art-grass { background: var(--grass); color: var(--text); }
.feature-art-orange { background: var(--apricot); color: var(--text); }
.feature-art-grass pre, .feature-art-orange pre { color: var(--text); border-color: var(--line-sky); }
.feature-copy { padding: 32px 36px; }
.feature-copy h3 { margin-top: 0; margin-bottom: 14px; }
.feature-copy p { margin-bottom: 0; line-height: 1.85; color: var(--text-muted); }
.outline-demo { list-style: none; padding-left: 20px; border-left: 1px solid var(--text); }
.outline-demo ul { list-style: none; padding-left: 24px; }
.setting-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 14px; border-bottom: 1px solid var(--line-sky); }
.setting-state { padding: 4px 12px; border-radius: var(--r-pill); background: var(--panel); color: var(--text); font-size: 13px; flex-shrink: 0; }
.accordion-tab { display: none; }
.preview-accordion { display: none; }

.toc {
  position: sticky;
  top: 0;
  z-index: 8;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  overflow-x: visible;
  max-width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--panel);
  color: var(--text);
  overscroll-behavior-x: contain;
}
.toc a { flex-shrink: 0; display: block; padding: 10px 16px; color: var(--text-muted); text-decoration: none; border-radius: var(--r-pill); }
.toc a:hover, .toc a[aria-current] { background: var(--bg); color: var(--accent-dark); }
.toc-static { position: static; }
.faq-item { border-bottom: 1px solid var(--border); padding-block: 8px; min-width: 0; }
.faq-item summary { cursor: pointer; padding: 18px 34px 18px 0; position: relative; list-style: none; font-weight: var(--weight-medium); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 4px; top: 17px; color: var(--accent); font-family: var(--font-mono); }
.faq-item[open] summary::after { content: "−"; }
.faq-answer { padding: 0 28px 18px 0; color: var(--text-muted); }
.faq-answer p:last-child { margin-bottom: 0; }
.term-card { border-top: 3px solid var(--accent); }
.term-card dt { font-family: var(--font-mono); font-size: 20px; color: var(--accent-dark); margin-bottom: 12px; }
.term-card dd { margin: 0; color: var(--text-muted); }
.term-category { display: block; font: var(--weight-normal) 13px/1.5 var(--font-body); color: var(--text-muted); margin-top: 6px; }
.client-card { padding: 32px; }
.client-heading { display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-bottom: 20px; }
.client-heading h3 { margin: 0; font-size: 26px; }
.client-meta { color: var(--text-muted); font-size: 14px; margin-top: 6px; }
.client-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 24px; }
.client-notes { margin-top: 16px; color: var(--text-muted); font-size: 14px; }
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  max-width: 100%;
  padding: 5px 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 12px;
  font-weight: var(--weight-medium);
  overflow-wrap: anywhere;
}
.status-badge::before { content: ""; width: 6px; height: 6px; border-radius: var(--r-round); background: var(--text-muted); flex-shrink: 0; }
.status-first { background: var(--accent); color: var(--panel); border-color: var(--accent); }
.status-first::before { background: var(--panel); }
.status-recommended { background: var(--sky-soft); color: var(--accent-dark); border-color: var(--water-bank); }
.status-recommended::before { background: var(--accent); }
.status-retired { background: var(--panel-2); color: var(--text-muted); }
.article-card { display: flex; flex-direction: column; gap: 16px; }
.article-card h3 { margin: 0; font-size: 22px; line-height: 1.45; }
.article-card h3 a { color: var(--text); text-decoration: none; }
.article-card h3 a:hover { color: var(--accent); }
.article-card p { margin: 0; color: var(--text-muted); }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; font-size: 13px; color: var(--text-muted); }
.article-card .article-link { margin-top: auto; align-self: flex-start; }
.callout {
  margin: 28px 0;
  padding: 24px 28px;
  border: 1px solid var(--water-bank);
  border-left: 4px solid var(--accent);
  border-radius: var(--r-md);
  background: var(--sky-soft);
  color: var(--accent-dark);
}
.callout p:last-child { margin-bottom: 0; }
.callout strong { color: var(--accent-dark); }
.callout-warning { background: var(--panel); color: var(--text); border-color: var(--border); border-left-color: var(--warn); }
.callout-warning strong { color: var(--text); }
.table-scroll { max-width: 100%; min-width: 0; overflow-x: auto; -webkit-overflow-scrolling: touch; overscroll-behavior-x: contain; border: 1px solid var(--border); border-radius: var(--r-md); }
.data-table { width: 100%; border-collapse: collapse; text-align: left; background: var(--panel); color: var(--text); }
.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);
  vertical-align: top;
  overflow-wrap: normal;
  word-break: normal;
}
.data-table th, .prose table th, .article-body table th { background: var(--panel-2); 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;
  text-align: left;
  background: var(--panel);
  color: var(--text);
}
.prose table code, .article-body table code, .data-table code { overflow-wrap: anywhere; }
.article-download {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  background: var(--panel);
  color: var(--text);
  margin-top: 48px;
}
.article-download > div { min-width: 0; flex: 1 1 240px; }
.article-download h2 { font-size: 24px; margin: 0 0 10px; }
.article-download p { margin: 0; color: var(--text-muted); }
.dl-fab {
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  z-index: 15;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  max-width: calc(100% - 40px);
  padding: 14px 22px;
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-pill);
  background: var(--accent);
  color: var(--panel);
  text-decoration: none;
  font-size: 14px;
}
.dl-fab:hover { background: var(--accent-dark); color: var(--panel); }
.dl-fab svg { width: 22px; height: 22px; flex-shrink: 0; }
.has-dl-fab .site-footer { padding-bottom: 110px; }

.swatch-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.swatch { border: 1px solid var(--border); border-radius: var(--r-md); overflow: clip; background: var(--panel); color: var(--text); }
.swatch svg { display: block; height: 64px; width: 100%; }
.swatch code { display: block; padding: 10px 12px; font-size: 12px; color: var(--text); }
.sw-bg { fill: var(--bg); }
.sw-panel { fill: var(--panel); }
.sw-panel-2 { fill: var(--panel-2); }
.sw-border { fill: var(--border); }
.sw-accent { fill: var(--accent); }
.sw-accent-dark { fill: var(--accent-dark); }
.sw-text { fill: var(--text); }
.sw-text-muted { fill: var(--text-muted); }
.sw-success { fill: var(--success); }
.sw-warn { fill: var(--warn); }
.sw-error { fill: var(--error); }
.sw-grass { fill: var(--grass); }
.sw-grass-deep { fill: var(--grass-deep); }
.sw-apricot { fill: var(--apricot); }
.sw-apricot-deep { fill: var(--apricot-deep); }
.sw-sky-top { fill: var(--sky-top); }
.sw-sky-bottom { fill: var(--sky-bottom); }
.sw-sky-soft { fill: var(--sky-soft); }
.sw-cloud { fill: var(--cloud); }
.sw-mount-far { fill: var(--mount-far); }
.sw-hill-1 { fill: var(--hill-1); }
.sw-hill-2 { fill: var(--hill-2); }
.sw-hill-3 { fill: var(--hill-3); }
.sw-hill-4 { fill: var(--hill-4); }
.sw-shrub-back { fill: var(--shrub-back); }
.sw-shrub { fill: var(--shrub); }
.sw-water { fill: var(--water); }
.sw-water-bank { fill: var(--water-bank); }
.sw-water-hi { fill: var(--water-hi); }
.sw-stone { fill: var(--stone); }
.sw-stone-hi { fill: var(--stone-hi); }
.sw-post { fill: var(--post); }
.sw-veil { fill: var(--veil); }
.sw-veil-line { fill: var(--veil-line); }
.sw-chip-bg { fill: var(--chip-bg); }
.sw-line-sky { fill: var(--line-sky); }
.sw-dot-ring { fill: var(--dot-ring); }
.sw-scrim { fill: var(--scrim); }
.sw-clear { fill: var(--clear); }
.preview-type h1 { margin-top: 0; }
.preview-states { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; }
.preview-states > div { display: grid; gap: 10px; }
.preview-states small { color: var(--text-muted); }
.preview-code-note { color: var(--text-muted); font-size: 14px; margin-top: 20px; }
@media (max-width: 760px) {
  .feature-tabs { display: block; }
  .feature-tabs.is-enhanced .tabs-tree { display: none; }
  .feature-tabs.is-enhanced .accordion-tab {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    min-height: 54px;
    margin-top: 12px;
    padding: 14px 20px;
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    background: var(--panel);
    color: var(--text);
    text-align: left;
  }
  .accordion-tab::after { content: "+"; font-family: var(--font-mono); color: var(--accent); }
  .accordion-tab[aria-expanded="true"]::after { content: "−"; }
  .feature-tabs.is-enhanced .feature-panel { margin-top: 12px; }
  .feature-art { padding: 24px; min-height: 200px; }
  .feature-copy { padding: 24px; }
  .preview-feature .tabs-tree, .preview-feature .feature-panels { display: none; }
  .preview-accordion { display: block; }
  .preview-accordion .faq-item { background: var(--panel); color: var(--text); border: 1px solid var(--border); border-radius: var(--r-card); padding-inline: 20px; margin-bottom: 12px; }
  .preview-accordion .faq-answer { padding-right: 0; }
  .swatch-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .client-card, .article-download { padding: 24px; }
  .client-actions .btn { width: 100%; }
  .swatch-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .callout { padding: 20px; }
}