.rule-desk {
  position: relative;
  display: grid;
  grid-template-columns: minmax(220px, .32fr) minmax(0, 1fr);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
}
.rule-desk > * { min-width: 0; }
.rule-desk::before, .rule-desk::after {
  content: "";
  position: absolute;
  inset-block: calc(var(--node) / -2);
  width: var(--node);
  border-top: var(--node) solid var(--border-strong);
  border-bottom: var(--node) solid var(--border-strong);
  pointer-events: none;
}
.rule-desk::before { left: calc(var(--node) / -2); }
.rule-desk::after { right: calc(var(--node) / -2); }
.rule-tabs {
  position: relative;
  margin: 0;
  padding: 12px;
  border-right: 1px solid var(--border);
}
.rule-tabs::before, .rule-tabs::after {
  content: "";
  position: absolute;
  right: calc(var(--node) / -2);
  width: var(--node);
  height: var(--node);
  background: var(--bg);
  border: 1px solid var(--border-strong);
}
.rule-tabs::before { top: calc(var(--node) / -2); }
.rule-tabs::after { bottom: calc(var(--node) / -2); }
[role="tab"] {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  min-height: 60px;
  padding: 14px 20px;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  text-align: left;
  font-weight: var(--weight-semibold);
}
[role="tab"]:hover { background: var(--bg-panel); color: var(--text); }
[role="tab"][aria-selected="true"] { background: var(--bg-panel); color: var(--text); }
[role="tab"][aria-selected="true"]::before {
  content: "";
  position: absolute;
  top: 16px;
  bottom: 16px;
  left: 0;
  width: 3px;
  background: var(--accent);
}
.tab-no { flex-shrink: 0; color: var(--text-muted); font-family: var(--font-mono); font-size: 12px; font-weight: var(--weight-normal); }
.tab-panel { min-width: 0; padding: 40px; }
.tab-panel h3 { margin-top: 0; }
.tab-panel p { max-width: 720px; color: var(--text-muted); }
.tab-panel pre { margin: 28px 0 0; border: 0; }
.toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-block: 28px 48px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
}
.toc a { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 14px; border-radius: var(--radius-sm); text-decoration: none; font-size: 14px; }
.toc a:hover, .toc a[aria-current="location"] { background: var(--bg-panel-2); color: var(--accent-dark); }
.faq-group { border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); }
.faq-item + .faq-item { border-top: 1px solid var(--border); }
.faq-item > summary { position: relative; min-height: 64px; padding: 20px 56px 20px 24px; font-weight: var(--weight-semibold); }
.faq-item > summary::after { content: "+"; position: absolute; top: 17px; right: 24px; font-family: var(--font-mono); font-size: 22px; color: var(--accent-dark); }
.faq-item[open] > summary::after { content: "−"; }
.faq-answer { padding: 0 24px 24px; color: var(--text-muted); }
.faq-answer p:last-child { margin-bottom: 0; }
.term-card { border-top: 3px solid var(--accent); }
.term-card dt, .term-card h3 { margin: 0 0 12px; font-family: var(--font-mono); font-size: 19px; font-weight: var(--weight-semibold); overflow-wrap: anywhere; }
.term-card dd { margin: 0; color: var(--text-muted); }
.badge, .fact-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  min-height: 30px;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--bg);
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}
.badge-accent { background: var(--bg-panel-2); color: var(--accent-dark); border-color: var(--bg-panel-2); }
.badge-status { color: var(--text); }
.status-dot { width: 6px; height: 6px; border-radius: var(--radius-round); background: var(--success); }
.status-dot-warn { background: var(--warn); }
.status-dot-error { background: var(--error); }
.fact-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.fact-pill strong { font-weight: var(--weight-semibold); color: var(--text); }
.fact-pill a { color: inherit; }
.fact-row-center { justify-content: center; }
.store-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  max-width: 100%;
  min-height: 56px;
  padding: 10px 24px;
  border: 1px solid var(--accent-dark);
  border-radius: var(--radius-pill);
  background: var(--accent-dark);
  color: var(--on-accent);
  font-weight: var(--weight-semibold);
  line-height: 1.25;
  text-decoration: none;
  transition: background-color var(--duration) var(--ease), transform var(--duration) var(--ease);
}
.store-button svg { width: 27px; height: 30px; flex-shrink: 0; }
.store-button span { min-width: 0; }
.store-button small { display: block; font-size: 11px; font-weight: var(--weight-normal); letter-spacing: .025em; }
.store-button strong { display: block; margin-top: 2px; font-size: 17px; font-weight: var(--weight-semibold); }
.store-button:hover, .store-button.is-hover { background: var(--text); color: var(--on-accent); border-color: var(--text); }
.store-button:active { transform: translateY(1px); }
.store-button[aria-disabled="true"] { background: var(--bg-panel); color: var(--text-muted); border-color: var(--border); }
.store-button.is-focus { outline: 2px solid var(--accent-dark); outline-offset: 3px; }
.official-shot { width: min(100%, 280px); max-width: 280px; min-width: 0; margin: 0 auto; padding: 0; flex-shrink: 0; }
.official-shot img { display: block; width: 100%; height: auto; border-radius: var(--radius-shot); }
.official-shot img { outline: 1px solid var(--border); outline-offset: -1px; }
.official-shot figcaption { padding-top: 12px; color: var(--text-muted); font-size: 13px; line-height: 1.6; }
.shot-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 280px); align-items: start; gap: 48px; }
.shot-layout > * { min-width: 0; }
.device-card { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; }
.device-card > svg { width: 44px; height: 52px; color: var(--accent-dark); flex-shrink: 0; }
.device-card h3, .device-card p { margin: 0; }
.device-card p { color: var(--text-muted); }
.device-card .btn { margin-top: auto; }
.article-card { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; }
.article-card h3, .article-card p { margin: 0; }
.article-card h3 a { text-decoration: none; }
.article-card h3 a:hover { color: var(--accent-dark); text-decoration: underline; }
.article-card p { color: var(--text-muted); font-size: 15px; }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; color: var(--text-muted); font-size: 12px; }
.article-card .text-link { margin-top: auto; }
.text-link { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; color: var(--accent-dark); font-weight: var(--weight-semibold); text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.callout { margin: 28px 0; padding: 24px; border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: var(--radius-sm); background: var(--bg-panel-2); color: var(--text); }
.callout-title { display: block; margin-bottom: 8px; font-weight: var(--weight-semibold); }
.callout p:last-child { margin-bottom: 0; }
.table-scroll { max-width: 100%; min-width: 0; overflow-x: auto; overscroll-behavior-inline: contain; -webkit-overflow-scrolling: touch; border: 1px solid var(--border); border-radius: var(--radius-sm); }
.data-table { width: 100%; border-collapse: collapse; background: var(--bg); color: var(--text); text-align: left; font-size: 14px; }
.data-table :is(th, td), .prose table :is(th, td), .article-body table :is(th, 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(--bg-panel); color: var(--text); font-weight: var(--weight-semibold); }
.data-table tr:last-child td { border-bottom: 0; }
.prose table, .article-body table {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-collapse: collapse;
  overscroll-behavior-inline: contain;
  background: var(--bg);
  color: var(--text);
}
.prose table code, .article-body table code, .data-table code { overflow-wrap: anywhere; white-space: normal; }
.dl-fab {
  position: fixed;
  z-index: 18;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  display: inline-flex;
  align-items: center;
  gap: 10px;
  max-width: calc(100% - 32px);
  min-height: 52px;
  padding: 12px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--bg);
  color: var(--text);
  box-shadow: var(--shadow-pop);
  font-size: 14px;
  font-weight: var(--weight-semibold);
  text-decoration: none;
}
.dl-fab svg { width: 20px; height: 20px; color: var(--accent-dark); flex-shrink: 0; }
.dl-fab:hover { background: var(--bg-panel-2); color: var(--accent-dark); }
.article-store-card { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; margin-top: 56px; padding: 28px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-panel-2); color: var(--text); }
.article-store-copy { flex: 1 1 260px; min-width: 0; }
.article-store-copy h2 { margin: 0 0 10px; font-size: 24px; }
.article-store-copy p { margin: 0; color: var(--text-muted); }
.dot-interlude { position: relative; overflow-x: clip; background: var(--bg-panel-2); color: var(--text); }
.dot-interlude-graphic { height: 180px; background-image: radial-gradient(circle, var(--accent) 1px, var(--clear) 1.5px); background-size: 10px 10px; mask-image: radial-gradient(ellipse at center, var(--mask-ink), var(--clear) 70%); }
.grouped-links { margin: 0; padding: 0; list-style: none; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); }
.grouped-links li + li { border-top: 1px solid var(--border); }
.grouped-links a { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 60px; padding: 16px 24px; text-decoration: none; }
.grouped-links a::after { content: "›"; color: var(--accent-dark); font-size: 22px; }
.grouped-links a:hover { background: var(--bg-panel); color: var(--text); }
.preview-section-title { margin-top: 0; margin-bottom: 40px; }
.preview-palette { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); gap: 16px; }
.swatch { min-width: 0; padding: 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); font-size: 12px; }
.swatch-chip { display: block; height: 64px; margin-bottom: 10px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--swatch-color); color: var(--text); }
.swatch code { font-size: 11px; }
.swatch-bg { --swatch-color: var(--bg); }
.swatch-panel { --swatch-color: var(--bg-panel); }
.swatch-panel-2 { --swatch-color: var(--bg-panel-2); }
.swatch-border { --swatch-color: var(--border); }
.swatch-border-strong { --swatch-color: var(--border-strong); }
.swatch-accent { --swatch-color: var(--accent); }
.swatch-accent-dark { --swatch-color: var(--accent-dark); }
.swatch-text { --swatch-color: var(--text); }
.swatch-muted { --swatch-color: var(--text-muted); }
.swatch-success { --swatch-color: var(--success); }
.swatch-warn { --swatch-color: var(--warn); }
.swatch-error { --swatch-color: var(--error); }
.swatch-white { --swatch-color: var(--on-accent); }
.swatch-white-06 { --swatch-color: var(--on-accent-06); }
.swatch-white-12 { --swatch-color: var(--on-accent-12); }
.swatch-white-18 { --swatch-color: var(--on-accent-18); }
.swatch-white-30 { --swatch-color: var(--on-accent-30); }
.swatch-white-45 { --swatch-color: var(--on-accent-45); }
.swatch-white-72 { --swatch-color: var(--on-accent-72); }
.swatch-white-88 { --swatch-color: var(--on-accent-88); }
.swatch-gold { --swatch-color: var(--glow-gold); }
.swatch-core { --swatch-color: var(--glow-gold-core); }
.swatch-mid { --swatch-color: var(--glow-gold-mid); }
.swatch-fade { --swatch-color: var(--glow-gold-fade); }
.swatch-vignette { --swatch-color: var(--vignette); }
.swatch-shadow { --swatch-color: var(--accent-dark-shadow); }
.swatch-pop { --swatch-color: var(--pop-shadow); }
.swatch-veil { --swatch-color: var(--veil); }
.swatch-mask { --swatch-color: var(--mask-ink); }
.swatch-clear { --swatch-color: var(--clear); }
.swatch-alpha .swatch-chip { background-color: var(--accent); background-image: linear-gradient(var(--swatch-color), var(--swatch-color)); color: var(--text); }
.preview-shot-placeholder {
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 750 / 1334;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-shot);
  background: var(--bg-panel);
  color: var(--text-muted);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 13px;
}
.preview-state-label { margin-top: 12px; color: var(--text-muted); font-size: 12px; }
.preview-inverse { padding: 24px; border-radius: var(--radius-sm); background: var(--accent); color: var(--on-accent); }
.preview-fab { position: static; margin-top: 24px; }
@media (max-width: 800px) {
  .rule-desk { grid-template-columns: minmax(0, 1fr); }
  .rule-tabs { border-right: 0; border-bottom: 1px solid var(--border); }
  .rule-tabs::before, .rule-tabs::after { display: none; }
  .tab-panel { padding: 28px; }
  .shot-layout { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .tab-panel { padding: 24px 20px; }
  .fact-row { flex-direction: row; flex-wrap: wrap; }
  .fact-pill { font-size: 11px; padding: 5px 9px; }
  .store-button { min-height: 56px; }
  .faq-item > summary { padding-left: 20px; }
  .faq-answer { padding-inline: 20px; }
  .official-shot { width: min(100%, 280px); }
  .article-store-card { padding: 22px; }
}