.tabs { min-width: 0; }
.tab-list, [role="tablist"].tab-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
}
.tab {
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: var(--r-ctl);
  background: var(--bg-panel);
  color: var(--text-muted);
  font: inherit;
}
.tab:hover { color: var(--accent-dark); border-color: var(--accent); }
.tab[aria-selected="true"] { border-color: var(--accent); background: var(--accent); color: var(--on-accent); }
.tab-panel { min-width: 0; }
.tab-panel:focus-visible { outline-offset: 8px; }
.feature-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; align-items: center; }
.feature-list { display: flex; flex-direction: column; }
.feature-tab {
  width: 100%;
  padding: 24px;
  border: 0;
  border-top: 1px solid var(--border);
  border-radius: 0;
  background: var(--transparent);
  color: var(--text);
  text-align: left;
}
.feature-tab:last-child { border-bottom: 1px solid var(--border); }
.feature-tab-title { display: flex; align-items: center; gap: 16px; font-size: 20px; }
.feature-tab-title > svg { width: 24px; height: 24px; flex-shrink: 0; }
.feature-icon { stroke: url(#feature-ink); fill: none; stroke-width: 1.5; }
.feature-icon-a { stop-color: var(--wine); }
.feature-icon-b { stop-color: var(--wine-2); }
.feature-caret { margin-left: auto; color: var(--text-muted); }
.feature-detail { display: none; margin-top: 24px; font-size: 15px; line-height: 1.85; }
.feature-arrow { display: none; align-items: center; justify-content: center; width: 42px; height: 42px; margin-top: 24px; border-radius: var(--r-round); background: var(--bg-panel); color: var(--wine); font-size: 23px; }
.feature-tab[aria-selected="true"] { border-color: var(--transparent); border-radius: var(--r-card); background: var(--wine); color: var(--on-accent); }
.feature-tab[aria-selected="true"] .feature-detail { display: block; }
.feature-tab[aria-selected="true"] .feature-arrow { display: inline-flex; }
.feature-tab[aria-selected="true"] .feature-caret { color: var(--on-accent); transform: rotate(180deg); }
.feature-tab[aria-selected="true"] .feature-icon { stroke: var(--on-accent); }
.feature-stage {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 450px;
  padding: 40px;
  overflow-x: clip;
  background-image: linear-gradient(to right, var(--grid-line) 1px, var(--transparent) 1px), linear-gradient(to bottom, var(--grid-line) 1px, var(--transparent) 1px);
  background-size: 40px 40px;
  color: var(--text);
}
.ui-float { padding: 24px; border: 1px solid var(--border); border-radius: var(--r-card); background: var(--bg-panel); color: var(--text); box-shadow: var(--shadow-pop); }
.ui-float h3 { margin-top: 0; font-size: 18px; }
.setting-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-block: 14px; border-top: 1px solid var(--border); font-size: 14px; }
.setting-row span:last-child { color: var(--text-muted); }
.setting-radio { display: flex; align-items: center; gap: 10px; min-height: 44px; }
.setting-radio::before { content: ""; width: 14px; height: 14px; flex-shrink: 0; border: 1px solid var(--border); border-radius: var(--r-round); }
.setting-radio.is-selected::before { border: 4px solid var(--accent); }
.doc-layout { display: grid; grid-template-columns: 210px minmax(0, 1fr); align-items: start; gap: 64px; }
.toc { position: sticky; top: 24px; max-height: calc(100dvh - 48px); overflow-y: auto; overscroll-behavior: contain; padding-right: 16px; border-right: 1px solid var(--border); }
.toc h2 { margin: 0 0 18px; font-size: 14px; font-weight: var(--weight-medium); }
.toc a { display: block; padding-block: 9px; color: var(--text-muted); font-size: 14px; text-decoration: none; }
.toc a:hover, .toc a[aria-current] { color: var(--accent-dark); }
.category-jump { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.category-jump a { padding: 8px 14px; border: 1px solid var(--border); border-radius: var(--r-pill); color: var(--text-muted); text-decoration: none; }
.category-jump a:hover { background: var(--bg-panel); color: var(--accent-dark); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary { position: relative; padding: 22px 40px 22px 0; color: var(--text); font-size: 18px; list-style: none; cursor: pointer; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; top: 20px; right: 8px; color: var(--accent-dark); font-size: 23px; }
.faq-item[open] summary::after { content: "−"; }
.faq-answer { padding-bottom: 22px; color: var(--text-muted); line-height: 1.85; }
.faq-answer > :last-child { margin-bottom: 0; }
.term-card { border-top: 3px solid var(--accent); }
.term-card dt { margin-bottom: 12px; font-family: var(--font-mono); font-size: 20px; }
.term-card dd { margin: 0; color: var(--text-muted); line-height: 1.85; }
.term-category { display: block; margin-bottom: 12px; color: var(--wine); font-size: 12px; }
.client-card { position: relative; }
.client-card.is-primary { border-color: var(--accent-a38); }
.client-card-head { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-bottom: 24px; }
.client-logo { width: 56px; height: 56px; flex-shrink: 0; }
.client-card-head h3 { margin: 0; }
.client-card-head p { margin: 4px 0 0; color: var(--text-muted); font-size: 13px; }
.client-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.client-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--text-muted); font-family: var(--font-mono); font-size: 12px; }
.badge, .tag { display: inline-block; max-width: 100%; padding: 4px 10px; border: 1px solid var(--border); border-radius: var(--r-pill); background: var(--bg); color: var(--text-muted); font-size: 12px; line-height: 1.5; overflow-wrap: anywhere; }
.badge-primary { border-color: var(--accent); background: var(--accent); color: var(--on-accent); }
.badge-recommended { border-color: var(--accent-a24); background: var(--accent-a08); color: var(--accent-dark); }
.badge-retired { border-color: var(--border); background: var(--bg-panel-2); color: var(--text-muted); }
.badge-wine { border-color: var(--wine); background: var(--wine); color: var(--on-accent); }
.article-card { display: flex; flex-direction: column; align-items: start; }
.article-card h3 { margin-block: 18px 14px; font-size: 21px; line-height: 1.5; }
.article-card h3 a { color: var(--text); text-decoration: none; }
.article-card h3 a:hover { color: var(--accent-dark); }
.article-card p { color: var(--text-muted); }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; color: var(--text-muted); font-size: 12px; }
.article-link { margin-top: auto; padding-top: 12px; font-size: 14px; text-decoration: none; }
.callout { margin-block: 28px; padding: 22px 24px; border: 1px solid var(--accent-a24); border-left: 3px solid var(--accent); border-radius: var(--r-ctl); background: var(--accent-a08); color: var(--text); }
.callout strong { display: block; margin-bottom: 8px; color: var(--accent-dark); }
.callout p:last-child { margin-bottom: 0; }
.callout-wine { border-color: var(--border); border-left-color: var(--wine); background: var(--bg-panel); color: var(--text); }
.callout-wine strong { color: var(--wine); }
.table-scroll { min-width: 0; max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--border); border-radius: var(--r-card); 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 {
  min-width: 7em;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  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: var(--weight-medium); }
.data-table td, .prose table td { background: var(--bg-panel); color: var(--text); }
.prose table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100%; min-width: 0; border-collapse: collapse; text-align: left; }
.prose table code, .data-table code { overflow-wrap: anywhere; }
.article-download { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; margin-top: 48px; padding: 28px; border: 1px solid var(--border); border-radius: var(--r-card); background: var(--bg-panel); color: var(--text); box-shadow: var(--shadow-card); }
.article-download > div { min-width: 0; flex: 1 1 240px; }
.article-download h2 { margin: 0 0 10px; font-size: 24px; }
.article-download p { margin: 0; color: var(--text-muted); }
.dl-fab { position: fixed; right: 24px; bottom: 24px; z-index: 50; display: inline-flex; align-items: center; gap: 10px; min-height: 46px; padding: 8px 20px 8px 11px; border-radius: var(--r-pill); background: var(--text); color: var(--on-accent); box-shadow: var(--shadow-fab); font-size: 14.5px; font-weight: var(--weight-medium); text-decoration: none; }
.dl-fab:hover { color: var(--on-accent); }
.dl-fab-icon { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; flex-shrink: 0; border-radius: var(--r-round); background: var(--accent); color: var(--on-accent); }
.dl-fab-icon svg { width: 13px; height: 13px; }
.dl-fab:hover .dl-fab-icon { transform: translateY(1px); }
.device-frame { min-width: 0; }
.device { position: relative; justify-self: end; width: 640px; height: 560px; margin-right: -40px; }
.device-grid { position: absolute; inset: -12px -8px -8px 36px; z-index: 0; background-image: linear-gradient(to right, var(--grid-line) 1px, var(--transparent) 1px), linear-gradient(to bottom, var(--grid-line) 1px, var(--transparent) 1px); background-size: 40px 40px; background-position: center; -webkit-mask-image: radial-gradient(ellipse 60% 56% at 56% 46%, var(--mask-solid) 34%, var(--transparent) 80%); mask-image: radial-gradient(ellipse 60% 56% at 56% 46%, var(--mask-solid) 34%, var(--transparent) 80%); }
.win { position: absolute; left: 140px; top: 48px; z-index: 1; width: 460px; height: 320px; border: 1px solid var(--accent); border-radius: var(--r-card); background: var(--veil); color: var(--accent-dark); }
.win-bar { display: flex; align-items: center; justify-content: space-between; height: 32px; padding: 0 10px 0 14px; border-bottom: 1px solid var(--accent); }
.win-lights { display: flex; gap: 7px; }
.win-lights i { display: block; width: 10px; height: 10px; border: 1px solid var(--accent); border-radius: var(--r-round); }
.win-status { display: flex; align-items: center; gap: 12px; color: var(--accent); }
.win-status > svg { width: 15px; height: 15px; }
.status-item { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 22px; border-radius: var(--r-ctl); background: var(--accent); color: var(--on-accent); font-size: 13px; font-weight: var(--weight-strong); }
.win-body { padding: 14px 16px; }
.sk-tools { display: flex; gap: 8px; }
.sk-tools i { display: block; width: 40px; height: 16px; border: 1px solid var(--accent-a38); border-radius: var(--r-ctl); }
.sk-table { margin-top: 16px; }
.sk-row { display: flex; align-items: center; gap: 14px; height: 28px; border-bottom: 1px solid var(--accent-a14); }
.sk-row.sk-head { height: 24px; border-bottom-color: var(--accent-a38); }
.sk-row i { display: block; height: 5px; border-radius: var(--r-ctl); background: var(--accent-a14); }
.sk-head i { background: var(--accent-a24); }
.sk-row .w1 { width: 22px; }
.sk-row .w2 { width: 96px; }
.sk-row .w3 { width: 52px; }
.sk-row .w4 { width: 74px; }
.device-links { position: absolute; inset: 0; z-index: 2; width: 640px; height: 560px; overflow: visible; color: var(--accent); }
.device-link { fill: none; stroke: currentColor; stroke-width: 1.2; stroke-dasharray: 3 5; stroke-linecap: round; }
.node-ring { fill: var(--bg-panel); stroke: currentColor; stroke-width: 1.4; }
.node-core { fill: currentColor; }
.fcard { position: absolute; z-index: 3; padding: 12px 14px; border: 1px solid var(--border); border-radius: var(--r-card); background: var(--bg-panel); color: var(--text); box-shadow: var(--shadow-card); }
.fcard-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 8px; color: var(--text-muted); font-size: 12px; }
.fcard-label { display: inline-flex; align-items: center; gap: 7px; color: var(--text); font-weight: var(--weight-medium); }
.fcard-label::before { content: ""; width: 6px; height: 6px; flex-shrink: 0; border-radius: var(--r-round); background: var(--accent); }
.fcard-tag { color: var(--text-muted); font-family: var(--font-mono); font-size: 11px; }
.fc-port { left: 16px; top: 110px; width: 170px; }
.fc-rule { left: 16px; top: 410px; width: 312px; }
.fc-core { left: 418px; top: 440px; width: 214px; }
.kv { display: flex; align-items: center; justify-content: space-between; padding-block: 7px; border-top: 1px solid var(--border); font-family: var(--font-mono); font-size: 13px; line-height: 1.4; }
.kv-k { color: var(--text-muted); }
.kv-v { color: var(--text); font-weight: var(--weight-medium); }
.fc-rule .fcard-head { padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.code { margin: 0; padding: 0; border: 0; border-radius: 0; background: var(--bg-panel); color: var(--text-muted); font-family: var(--font-mono); font-size: 11.5px; line-height: 1.7; white-space: pre; }
.code .k { color: var(--wine); }
.code .s { color: var(--accent-dark); }
.core-pills { display: flex; align-items: center; gap: 8px; margin-top: 2px; }
.pill { display: inline-flex; align-items: center; gap: 6px; min-height: 28px; padding: 3px 11px; border: 1px solid var(--border); border-radius: var(--r-pill); color: var(--text); font-family: var(--font-mono); font-size: 12px; }
.pill-on { border-color: var(--accent); background: var(--accent); color: var(--on-accent); }
.pill-on::before { content: ""; width: 5px; height: 5px; flex-shrink: 0; border-radius: var(--r-round); background: var(--on-accent); }
.pill-sep { color: var(--text-muted); font-size: 12px; }
.tray { position: absolute; left: 376px; top: 86px; z-index: 4; width: 236px; padding: 6px; border: 1px solid var(--border); border-radius: var(--r-card); background: var(--bg-panel); color: var(--text); box-shadow: var(--shadow-pop); font-size: 13px; }
.tray-label { padding: 6px 10px 4px 30px; color: var(--text-muted); font-size: 11.5px; line-height: 1.3; }
.tray-item { display: flex; align-items: center; gap: 8px; height: 31px; padding: 0 10px 0 8px; border-radius: var(--r-ctl); color: var(--text); }
.tray-check { width: 14px; height: 14px; flex: none; color: var(--accent); visibility: hidden; }
.tray-item.is-current { font-weight: var(--weight-medium); }
.tray-item.is-current .tray-check { visibility: visible; }
.tray-chev { margin-left: auto; color: var(--text-muted); }
.tray-sep { height: 1px; margin: 4px 6px; background: var(--border); }
.swatch-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.swatch { min-width: 0; border: 1px solid var(--border); border-radius: var(--r-card); background: var(--bg-panel); color: var(--text); overflow: clip; }
.swatch-paint { height: 70px; border-bottom: 1px solid var(--border); }
.swatch code { display: block; padding: 12px; font-size: 12px; }
.paint-bg { background: var(--bg); }
.paint-panel { background: var(--bg-panel); }
.paint-panel-2 { background: var(--bg-panel-2); }
.paint-border { background: var(--border); }
.paint-accent { background: var(--accent); }
.paint-accent-dark { background: var(--accent-dark); }
.paint-wine { background: var(--wine); }
.paint-wine-2 { background: var(--wine-2); }
.paint-text { background: var(--text); }
.paint-muted { background: var(--text-muted); }
.paint-success { background: var(--success); }
.paint-warn { background: var(--warn); }
.paint-error { background: var(--error); }
.paint-on-accent { background: var(--on-accent); }
.paint-a08 { background: var(--accent-a08); }
.paint-a14 { background: var(--accent-a14); }
.paint-a24 { background: var(--accent-a24); }
.paint-a38 { background: var(--accent-a38); }
.paint-glow { background: var(--accent-glow); }
.paint-blue { background: var(--wash-blue); }
.paint-cyan { background: var(--wash-cyan); }
.paint-veil { background: var(--veil); }
.paint-grid { background: var(--grid-line); }
.paint-ink06 { background: var(--ink-a06); }
.paint-ink10 { background: var(--ink-a10); }
.paint-ink16 { background: var(--ink-a16); }
.paint-ink22 { background: var(--ink-a22); }
.paint-mask { background: var(--mask-solid); }
.paint-transparent { background: var(--transparent); }
.preview-type-display { font-family: var(--font-display); font-size: var(--size-h1); font-weight: var(--weight-normal); line-height: 1.12; }
.preview-controls { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
@media (max-width: 1240px) {
  .device-frame { width: 640px; max-width: 100%; justify-self: center; }
  .device { margin-right: 0; }
  .feature-layout { gap: 32px; }
  .feature-stage { padding: 24px; }
}
@media (max-width: 860px) {
  .device-frame { width: 333px; max-width: 100%; height: 300px; overflow: clip; justify-self: start; }
  .device { transform: scale(.52); transform-origin: top left; }
  .feature-layout { grid-template-columns: minmax(0, 1fr); }
  .doc-layout { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .toc { position: static; max-height: none; padding-right: 0; padding-bottom: 20px; border-right: 0; border-bottom: 1px solid var(--border); }
  .toc a { display: inline-block; margin-right: 16px; }
}
@media (max-width: 640px) {
  .feature-stage { min-height: 320px; padding: 20px; }
  .feature-tab { padding: 20px 16px; }
  .feature-tab-title { gap: 12px; font-size: 18px; }
  .dl-fab { right: 16px; bottom: max(16px, env(safe-area-inset-bottom)); font-size: 13px; min-height: 44px; }
  .article-download { padding: 22px; }
  .callout { padding: 20px; }
}
@media (max-width: 380px) {
  .device-frame { height: 245px; }
  .device { transform: scale(.42); }
}