/* Tabs are scoped by data-tabs. Panel IDs remain unique across the document. */
.tab-list, [role="tablist"] {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 100%;
  overflow-x: auto;
  padding: 4px 2px 12px;
  scrollbar-width: thin;
}
[role="tab"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-shrink: 0;
  min-height: 48px;
  padding: 12px 22px;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--panel);
  color: var(--navy);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 700;
  text-align: left;
  box-shadow: var(--shadow-soft);
  transition: box-shadow var(--fast) var(--ease), transform var(--fast) var(--ease);
}
[role="tab"][aria-selected="true"] {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent), var(--shadow-lift);
  transform: translateY(-2px);
}
[role="tabpanel"] { min-width: 0; scroll-margin-top: 24px; }
[role="tabpanel"]:focus-visible { outline-offset: 6px; }
.feature-zone { position: relative; overflow-x: clip; background: var(--panel-2); color: var(--navy); }
.feature-zone::before, .feature-zone::after { content: ""; position: absolute; inset: 45% 0 0; pointer-events: none; }
.feature-zone::before { background: var(--navy); color: var(--on-navy); clip-path: polygon(0 100%, 55% 0, 85% 100%); }
.feature-zone::after { background: var(--coral); color: var(--navy); clip-path: polygon(60% 100%, 85% 35%, 100% 65%, 100% 100%); }
.feature-browser { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(240px, .8fr) minmax(0, 1.2fr); gap: 64px; align-items: center; padding-block: 30px; }
.feature-browser > * { min-width: 0; }
.feature-tabs[role="tablist"] { flex-direction: column; align-items: stretch; overflow: visible; gap: 14px; padding: 4px; }
.feature-tabs [role="tab"] { justify-content: flex-start; width: 100%; min-height: 84px; border-radius: var(--r-xl); padding: 16px 20px; }
.icon-tile { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: var(--r-md); flex-shrink: 0; color: var(--navy); }
.icon-tile svg { width: 24px; height: 24px; }
.feature-frame { position: relative; padding: 26px; margin-top: 24px; background: var(--coral); color: var(--navy); border-radius: var(--r-mobile-frame); box-shadow: var(--shadow-lift); }
.feature-paper { padding: 52px 28px 24px; border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--panel); color: var(--navy); box-shadow: var(--shadow-lift); }
.feature-label { position: absolute; top: -24px; left: 48px; right: 48px; display: flex; align-items: center; gap: 12px; padding: 16px 20px; background: var(--panel); color: var(--navy); border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: var(--shadow-lift); font-weight: 800; }
.feature-label svg { width: 24px; height: 24px; }
.toc {
  position: sticky;
  top: 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  max-width: 100%;
  padding: 10px;
  margin-block: 24px 40px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--panel);
  color: var(--navy);
  box-shadow: var(--shadow-soft);
}
.toc a { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; min-height: 44px; padding: 10px 16px; border-radius: var(--r-pill); text-decoration: none; font-size: var(--fs-sm); font-weight: 600; }
.toc a:hover, .toc a[aria-current="location"] { background: var(--panel-2); color: var(--navy); }
.faq-item { margin-bottom: 14px; border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--panel); color: var(--navy); box-shadow: var(--shadow-soft); }
.faq-item summary { position: relative; padding: 22px 58px 22px 24px; cursor: pointer; font-weight: 700; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 24px; top: 22px; font-family: var(--font-mono); }
.faq-item[open] summary::after { content: "−"; }
.faq-answer { padding: 0 24px 24px; color: var(--muted); }
.faq-answer > :last-child { margin-bottom: 0; }
.term-card { border-top: 4px solid var(--coral); }
.term-en { display: block; margin-block: -6px 16px; font-family: var(--font-mono); font-size: var(--fs-sm); color: var(--muted); }
.term-card p:last-child { margin-bottom: 0; }
.client-card { position: relative; display: flex; flex-direction: column; gap: 20px; }
.client-card.is-priority { border: 2px solid var(--accent); box-shadow: var(--shadow-lift); }
.client-head { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.client-head > div { min-width: 0; flex: 1; }
.client-head h3 { margin-bottom: 8px; }
.app-logo { width: 56px; height: 56px; flex-shrink: 0; }
.client-meta { color: var(--muted); font-size: var(--fs-sm); }
.client-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; }
[data-rev]:empty { display: none; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; }
.badge, .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 100%;
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--panel-2);
  color: var(--navy);
  font-size: var(--fs-xs);
  font-weight: 700;
  line-height: 1.4;
  white-space: normal;
  overflow-wrap: anywhere;
}
.badge-priority, .badge-recommended { background: var(--tint-yellow); color: var(--navy); border-color: var(--accent); }
.badge-archived { background: var(--panel-2); color: var(--muted); }
.badge-success { background: var(--tint-green); color: var(--navy); }
.badge-warn { background: var(--tint-orange); color: var(--navy); }
.status-dot { display: inline-block; width: 7px; height: 7px; border-radius: var(--r-round); background: var(--success); color: var(--navy); flex-shrink: 0; }
.post-card { display: flex; flex-direction: column; gap: 16px; }
.post-card h3 { margin: 0; }
.post-card h3 a { text-decoration: none; }
.post-card h3 a:hover { text-decoration: underline; }
.post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; font-size: var(--fs-xs); color: var(--muted); }
.post-card p { color: var(--muted); margin: 0; }
.post-more { align-self: flex-start; margin-top: auto; font-weight: 700; font-size: var(--fs-sm); }
.callout { margin: 24px 0; padding: 22px 24px; border: 1px solid var(--border); border-inline-start: 4px solid var(--coral); border-radius: var(--r-md); background: var(--tint-orange); color: var(--navy); }
.callout p:last-child { margin-bottom: 0; }
.callout-info { background: var(--tint-blue); color: var(--navy); border-inline-start-color: var(--navy); }
.callout-success { background: var(--tint-green); color: var(--navy); border-inline-start-color: var(--success); }
.callout-error { background: var(--tint-orange); color: var(--navy); border-inline-start-color: var(--error); }
.table-scroll { overflow-x: auto; max-width: 100%; min-width: 0; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--panel); color: var(--navy); }
.data-table { width: 100%; border-collapse: collapse; text-align: left; font-size: var(--fs-sm); }
.data-table th, .data-table td, .prose table th, .prose 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 { background: var(--panel-2); color: var(--navy); font-weight: 700; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table code, .prose table code { overflow-wrap: anywhere; white-space: normal; }
.prose table {
  display: block;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-collapse: collapse;
}
.prose table caption { text-align: left; padding-block: 12px; font-weight: 700; }
.article-download { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-block: 40px; background: var(--navy); color: var(--on-navy); box-shadow: var(--shadow-lift); }
.article-download h2, .article-download h3, .article-download p { color: var(--on-navy); }
.article-download p { margin-bottom: 0; }
.article-download .btn { flex-shrink: 0; }
.dl-fab {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 15;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  max-width: calc(100% - 32px);
  min-height: 56px;
  padding: 14px 22px;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--panel);
  color: var(--navy);
  box-shadow: var(--shadow-lift);
  text-decoration: none;
  font-size: var(--fs-sm);
  font-weight: 700;
}
.dl-fab svg { width: 22px; height: 22px; flex-shrink: 0; }
.dl-fab:hover { background: var(--navy); color: var(--on-navy); }
.preview-topbar { max-width: none; }
.preview-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.swatch { overflow: hidden; padding: 0; }
.swatch-color { height: 76px; background: var(--bg); color: var(--navy); }
.swatch code { display: block; padding: 14px; font-size: var(--fs-xs); }
.sw-bg { background: var(--bg); color: var(--navy); }
.sw-panel { background: var(--panel); color: var(--navy); }
.sw-panel-2 { background: var(--panel-2); color: var(--navy); }
.sw-border { background: var(--border); color: var(--navy); }
.sw-accent { background: var(--accent); color: var(--navy); }
.sw-accent-dark { background: var(--accent-dark); color: var(--navy); }
.sw-navy { background: var(--navy); color: var(--on-navy); }
.sw-navy-2 { background: var(--navy-2); color: var(--on-navy); }
.sw-coral { background: var(--coral); color: var(--navy); }
.sw-muted { background: var(--muted); color: var(--on-navy); }
.sw-faint { background: var(--faint); color: var(--navy); }
.sw-success { background: var(--success); color: var(--navy); }
.sw-warn { background: var(--warn); color: var(--navy); }
.sw-error { background: var(--error); color: var(--navy); }
.sw-dot { background: var(--dot); color: var(--navy); }
.sw-blue { background: var(--tint-blue); color: var(--navy); }
.sw-green { background: var(--tint-green); color: var(--navy); }
.sw-orange { background: var(--tint-orange); color: var(--navy); }
.sw-purple { background: var(--tint-purple); color: var(--navy); }
.sw-yellow { background: var(--tint-yellow); color: var(--navy); }
.preview-display { font-family: var(--font-display); font-size: var(--fs-h1); font-weight: 800; line-height: 1.25; }
.preview-actions { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; }
@media (max-width: 960px) {
  .feature-browser { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .feature-tabs[role="tablist"] { flex-direction: row; overflow-x: auto; padding: 4px 2px 16px; }
  .feature-tabs [role="tab"] { width: auto; min-height: 68px; }
  .preview-topbar { height: auto; display: grid; grid-template-columns: 1fr auto; padding-top: 14px; }
  .preview-topbar .tabs { display: block; grid-column: 1 / -1; grid-row: 2; overflow-x: auto; width: 100%; }
  .preview-topbar .tabs a { height: 48px; }
  .preview-topbar .tab-bar { bottom: 6px; }
  .preview-topbar .header-tools { margin-left: auto; }
}
@media (max-width: 640px) {
  .feature-frame { padding: 16px; }
  .feature-paper { padding: 52px 18px 20px; }
  .feature-label { left: 30px; right: 30px; padding: 14px 16px; }
  .preview-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .article-download { flex-direction: column; align-items: flex-start; }
  .dl-fab { right: 16px; bottom: calc(16px + env(safe-area-inset-bottom)); }
  .toc { top: 8px; }
}