/* Private City Rulebook — layout & components. Colours come only from tokens.css. */

*, *::before, *::after { box-sizing: border-box; }
[hidden]:not([hidden="until-found"]) { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--topbar-h) + 1rem); }
body {
  margin: 0; min-height: 100vh;
  font-family: var(--font); font-size: 1.0625rem; line-height: 1.75;
  background: var(--bg); color: var(--text);
  text-rendering: optimizeLegibility; overflow-wrap: anywhere;
}
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4 { line-height: 1.35; margin: 0; }
p { margin: 0; }
kbd { font: 600 .75rem/1 var(--font); padding: .2rem .4rem; border: var(--border-w) solid var(--line-strong); border-radius: 6px; color: var(--text-3); }
mark, .hit { background: var(--mark-bg); color: var(--mark-ink); border-radius: 3px; padding: 0 .1em; }

.sr-only { position: absolute !important; top: 0; left: 0; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
:focus-visible { outline: var(--focus-w) solid var(--focus); outline-offset: 2px; border-radius: 4px; }
/* Non-interactive elements that receive focus programmatically (page heading, deep-linked rule)
   are announced by screen readers; the .flash highlight marks the target visually. */
[tabindex="-1"]:focus, [tabindex="-1"]:focus-visible { outline: none; }

.skip-link { position: fixed; left: .75rem; top: -4rem; z-index: 1000; background: var(--pill-bg); color: var(--pill-ink); padding: .6rem 1rem; border-radius: var(--radius-sm); font-weight: 700; text-decoration: none; }
.skip-link:focus { top: .75rem; }

/* ---------- buttons ---------- */
.btn, .icon-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  min-height: 2.5rem; padding: 0 .9rem; border-radius: var(--radius-sm);
  border: var(--border-w) solid var(--line-strong); background: var(--bg-elev); color: var(--text);
  font-weight: 600; font-size: .9rem; text-decoration: none; white-space: nowrap;
}
.icon-btn { width: 2.5rem; padding: 0; }
.btn:hover, .icon-btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--pill-bg); color: var(--pill-ink); border-color: var(--pill-bg); }
.btn-primary:hover { filter: brightness(1.06); }
.btn-ghost { background: transparent; border-color: transparent; }
.btn-ghost:hover { border-color: var(--line-strong); }
.btn-danger { color: var(--danger); }
.btn-sm { min-height: 2.1rem; padding: 0 .65rem; font-size: .82rem; }
.btn:disabled, .icon-btn:disabled { opacity: .55; cursor: not-allowed; }
svg.i { width: 1.15em; height: 1.15em; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50; height: var(--topbar-h);
  display: flex; align-items: center; gap: .6rem; padding: 0 1rem;
  background: var(--topbar-bg); border-bottom: var(--border-w) solid var(--line);
  backdrop-filter: saturate(1.2) blur(12px);
}
.brand { display: flex; align-items: center; gap: .6rem; min-width: 0; text-decoration: none; margin-right: auto; }
.brand img { width: 2.25rem; height: 2.25rem; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; min-width: 0; line-height: 1.2; }
.brand-kicker { font-size: .66rem; font-weight: 700; letter-spacing: .14em; color: var(--accent-text); }
.brand-title { font-size: .95rem; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar .sbox { width: min(26rem, 38vw); }
.nav-toggle, .search-open { display: none; }
#adminSlot { display: flex; align-items: center; gap: .4rem; }
.progress { position: sticky; top: var(--topbar-h); z-index: 49; height: 3px; background: transparent; }
.progress span { display: block; height: 100%; width: 0; background: var(--accent); }

/* ---------- layout ---------- */
.layout { display: grid; grid-template-columns: var(--sidebar-w) minmax(0, 1fr); min-height: calc(100vh - var(--topbar-h)); }
.sidebar {
  position: sticky; top: var(--topbar-h); height: calc(100vh - var(--topbar-h)); overflow-y: auto;
  padding: 1rem .75rem 2.5rem; border-right: var(--border-w) solid var(--line); background: var(--bg);
  scrollbar-width: thin;
}
.side-home { margin-bottom: .5rem; }
.side-group { margin-top: 1rem; }
.side-group h2 { display: flex; align-items: center; gap: .4rem; padding: 0 .6rem .3rem; font-size: .74rem; letter-spacing: .06em; font-weight: 700; color: var(--text-3); }
.side-list { list-style: none; margin: 0; padding: 0; }
.side-link {
  display: flex; align-items: center; gap: .55rem; padding: .42rem .6rem; border-radius: var(--radius-sm);
  color: var(--text-2); text-decoration: none; font-size: .92rem; line-height: 1.45; border: var(--border-w) solid transparent;
}
.side-link:hover { background: var(--surface-2); color: var(--text); }
.side-link[aria-current="page"] { background: var(--surface-2); color: var(--text); border-color: var(--line-strong); font-weight: 600; box-shadow: inset 3px 0 0 var(--accent); }
.side-link .ic { width: 1.3rem; text-align: center; flex: none; }
.side-link .lbl { flex: 1; min-width: 0; }
.side-link .n { font-size: .74rem; color: var(--text-3); font-variant-numeric: tabular-nums; }
.badge-test { font-size: .68rem; font-weight: 700; padding: 0 .4rem; border-radius: 999px; border: var(--border-w) solid var(--warn); color: var(--warn); }
.scrim { display: none; }

main { min-width: 0; padding: 1.75rem clamp(1rem, 4vw, 3rem) 4rem; }
main:focus { outline: none; }
.view { max-width: 54rem; margin: 0 auto; }

/* ---------- shared headings (reference: pill label + hairline) ---------- */
.pill-h { display: flex; align-items: center; gap: .75rem; margin: 2.25rem 0 1rem; font-size: 1rem; }
.pill-h::after { content: ''; flex: 1; height: var(--border-w); background: var(--line); }
.pill { display: inline-flex; align-items: center; gap: .4rem; padding: .25rem .85rem; border-radius: 999px; background: var(--pill-bg); color: var(--pill-ink); font-weight: 700; font-size: .92rem; line-height: 1.5; }
.pill-h .aside { order: 3; font-size: .8rem; color: var(--text-3); font-weight: 500; white-space: nowrap; }
.eyebrow { font-size: .78rem; font-weight: 700; letter-spacing: .08em; color: var(--accent-text); }

/* ---------- home ---------- */
.hero { display: grid; grid-template-columns: auto 1fr; gap: 1.25rem; align-items: center; padding: .5rem 0 1.25rem; }
.hero-logo { width: 5.5rem; height: 5.5rem; object-fit: contain; }
.hero h1 { font-size: clamp(1.6rem, 3.5vw, 2.25rem); letter-spacing: .01em; }
.hero .lead { color: var(--text-2); margin-top: .2rem; }
.socials { display: flex; flex-wrap: wrap; gap: .5rem; list-style: none; padding: 0; margin: .75rem 0 0; }
.social { display: inline-flex; align-items: center; gap: .45rem; padding: .3rem .75rem .3rem .35rem; border-radius: 999px; border: var(--border-w) solid var(--line-strong); text-decoration: none; font-size: .88rem; font-weight: 600; }
.social img { width: 1.6rem; height: 1.6rem; border-radius: 50%; object-fit: cover; }
.social:hover { border-color: var(--accent); }
.home-search .sbox { width: 100%; }
.home-search .sbox input { min-height: 3.25rem; font-size: 1.05rem; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); gap: .6rem; }
.steps a { display: grid; grid-template-columns: auto 1fr; gap: .1rem .7rem; align-items: center; padding: .7rem .85rem; border-radius: var(--radius); border: var(--border-w) solid var(--line); background: var(--bg-elev); text-decoration: none; height: 100%; }
.steps a:hover { border-color: var(--accent); }
.step-n { grid-row: span 2; width: 1.9rem; height: 1.9rem; border-radius: 50%; display: grid; place-items: center; font-weight: 700; font-size: .85rem; border: 2px solid var(--accent); color: var(--accent-text); }
.step-t { font-weight: 600; line-height: 1.4; }
.step-m { font-size: .8rem; color: var(--text-3); line-height: 1.4; }
.home-note { font-size: .88rem; color: var(--text-3); margin-top: .6rem; }

.cat-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.cat { padding: 1.1rem 1.15rem .9rem; border-radius: var(--radius); background: var(--bg-elev); border: var(--border-w) solid var(--line); display: flex; flex-direction: column; }
.cat-head { display: flex; align-items: center; gap: .65rem; }
.cat-ic { font-size: 1.35rem; width: 2.4rem; height: 2.4rem; display: grid; place-items: center; border-radius: 10px; background: var(--surface-2); flex: none; }
.cat h3 { font-size: 1.12rem; flex: 1; }
.cat h3 a { text-decoration: none; }
.cat h3 a:hover { text-decoration: underline; }
.cat-count { font-size: .78rem; color: var(--text-3); white-space: nowrap; }
.cat-desc { color: var(--text-2); font-size: .9rem; line-height: 1.65; margin: .55rem 0 .6rem; }
.kv-list { list-style: none; margin: 0; padding: 0; }
.kv-list a { display: flex; align-items: baseline; gap: .6rem; padding: .4rem 0; border-top: var(--border-w) solid var(--line); text-decoration: none; font-size: .93rem; }
.kv-list a:hover .k { text-decoration: underline; }
.kv-list .k { flex: 1; min-width: 0; }
.kv-list .v { color: var(--text-3); font-size: .8rem; white-space: nowrap; font-variant-numeric: tabular-nums; }
.more-btn { margin-top: .5rem; align-self: flex-start; }

/* ---------- breadcrumbs ---------- */
.crumbs ol { display: flex; flex-wrap: wrap; gap: .25rem .45rem; list-style: none; padding: 0; margin: 0 0 1.25rem; font-size: .85rem; color: var(--text-3); }
.crumbs li + li::before { content: '›'; margin-right: .45rem; color: var(--text-3); }
.crumbs a { color: var(--text-2); }
.crumbs [aria-current] { color: var(--text); font-weight: 600; }

/* ---------- section page ---------- */
.sec-head { padding-bottom: 1.25rem; border-bottom: var(--border-w) solid var(--line); }
.sec-head h1 { font-size: clamp(1.55rem, 3.2vw, 2.15rem); margin-top: .35rem; display: flex; gap: .6rem; align-items: baseline; flex-wrap: wrap; }
.sec-head h1 .ic { font-size: .8em; }
.sec-sub { color: var(--text-2); margin-top: .35rem; max-width: var(--measure); }
.sec-meta { display: flex; flex-wrap: wrap; gap: .3rem 1rem; margin-top: .75rem; font-size: .84rem; color: var(--text-3); }
.sec-actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.sec-banner { display: block; width: 100%; max-height: 14rem; object-fit: cover; border-radius: var(--radius); margin: 1.25rem 0 0; }

.toc-mini { margin: 1.25rem 0 .5rem; padding: .85rem 1rem; border-radius: var(--radius); background: var(--bg-elev); border: var(--border-w) solid var(--line); }
.toc-mini-head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; flex-wrap: wrap; }
.toc-mini h2 { font-size: .85rem; color: var(--text-3); font-weight: 700; letter-spacing: .04em; }
.toc-mini ol { margin: .4rem 0 0; padding: 0; list-style: none; columns: 2 16rem; column-gap: 1.5rem; }
.toc-mini li { break-inside: avoid; }
.toc-mini a { display: flex; gap: .5rem; padding: .22rem 0; text-decoration: none; color: var(--text-2); font-size: .92rem; line-height: 1.5; }
.toc-mini a:hover { color: var(--text); text-decoration: underline; }
.toc-mini a[aria-current="true"] { color: var(--text); font-weight: 600; }
.toc-mini a[aria-current="true"] .tn { background: var(--pill-bg); color: var(--pill-ink); border-color: var(--pill-bg); }
.tn { flex: none; min-width: 1.6rem; height: 1.6rem; padding: 0 .3rem; border-radius: 999px; border: var(--border-w) solid var(--line-strong); display: grid; place-items: center; font-size: .75rem; font-weight: 700; color: var(--text-3); }

.part { margin-top: 1.75rem; }
.part-h { margin: 0 0 .9rem; }
.part-toggle { display: flex; align-items: center; gap: .75rem; width: 100%; padding: 0; background: none; border: 0; text-align: left; }
.part-toggle .line { flex: 1; height: var(--border-w); background: var(--line); }
.part-toggle .cnt { font-size: .78rem; color: var(--text-3); font-weight: 500; white-space: nowrap; }
.part-toggle .chev { width: 1.75rem; height: 1.75rem; display: grid; place-items: center; border-radius: 50%; border: var(--border-w) solid var(--line-strong); color: var(--text-2); flex: none; transition: transform .15s; }
.part-toggle[aria-expanded="false"] .chev { transform: rotate(-90deg); }
.part-toggle .pill { font-size: .95rem; text-align: left; }
.part-body > * + * { margin-top: 1rem; }

/* rule items: number — text — facts */
.rules { list-style: none; margin: 0; padding: 0; }
.rule { position: relative; display: grid; grid-template-columns: 2.1rem minmax(0, 1fr) auto; gap: .2rem .8rem; padding: .8rem 0; border-top: var(--border-w) solid var(--line); }
.rule:first-child { border-top: 0; }
.rule-n { width: 1.85rem; height: 1.85rem; border-radius: 50%; display: grid; place-items: center; font-size: .78rem; font-weight: 700; border: 1.5px solid var(--line-strong); color: var(--text-2); margin-top: .1rem; font-variant-numeric: tabular-nums; }
.rule-body { max-width: var(--measure); }
.rule-text { color: var(--text); }
.facts { margin: .45rem 0 0; display: grid; gap: .3rem; }
.fact { display: flex; flex-wrap: wrap; align-items: baseline; gap: .1rem .5rem; font-size: .92rem; }
.fact dt { flex: none; font-size: .78rem; font-weight: 700; color: var(--text-3); min-width: 4.5rem; }
.fact dt::after { content: ' —'; }
.fact dd { margin: 0; color: var(--text-2); flex: 1; min-width: 12rem; }
.fact-value dd { color: var(--text); font-weight: 600; }
.copy-link { opacity: .55; width: 2rem; height: 2rem; min-height: 2rem; border-radius: 50%; border-color: transparent; background: transparent; color: var(--text-3); }
.copy-link:hover, .copy-link:focus-visible { opacity: 1; border-color: var(--line-strong); color: var(--text); }
.rule:hover .copy-link, .li-item:hover .copy-link, .note-card:hover .copy-link { opacity: 1; }
.flash { animation: flash 2.2s ease-out 1; }
@keyframes flash { 0%, 35% { background: color-mix(in srgb, var(--accent) 22%, transparent); } 100% { background: transparent; } }

/* pairs: item ........ value (reference "หัวข้อ — ค่า") */
.pairs-head { display: flex; justify-content: space-between; font-size: .78rem; font-weight: 700; color: var(--text-3); padding: 0 0 .35rem; border-bottom: var(--border-w) solid var(--line-strong); }
.pairs { list-style: none; margin: 0; padding: 0; }
.pair { display: flex; align-items: baseline; gap: .6rem; padding: .55rem 0; border-bottom: var(--border-w) solid var(--line); }
.pair .pn { color: var(--text-3); font-size: .8rem; min-width: 1.4rem; font-variant-numeric: tabular-nums; }
.pair .pk { flex: 1; min-width: 0; }
.pair .pv { font-weight: 700; white-space: nowrap; font-variant-numeric: tabular-nums; color: var(--accent-text); }

/* bullet lists */
.blist { list-style: none; margin: 0; padding: 0; }
.li-item { position: relative; display: grid; grid-template-columns: 1.1rem minmax(0, 1fr) auto; gap: .6rem; padding: .55rem 0; border-top: var(--border-w) solid var(--line); }
.li-item:first-child { border-top: 0; }
.li-item::before { content: ''; width: .45rem; height: .45rem; border-radius: 2px; background: var(--accent); margin-top: .7rem; transform: rotate(45deg); }
.li-item .copy-link { margin-top: -.15rem; }
ol.blist { counter-reset: li; }
ol.blist > .li-item { grid-template-columns: 1.85rem minmax(0, 1fr) auto; }
ol.blist > .li-item::before { counter-increment: li; content: counter(li); transform: none; width: 1.6rem; height: 1.6rem; margin-top: .1rem; border-radius: 50%; background: none; border: 1.5px solid var(--line-strong); display: grid; place-items: center; font-size: .75rem; font-weight: 700; color: var(--text-2); }
.empty { color: var(--text-3); font-style: italic; padding: .5rem 0; }

/* stats (reference: label above value, hairline separators) */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr)); margin: 0; border-top: var(--border-w) solid var(--line); border-bottom: var(--border-w) solid var(--line); }
.stat { padding: .7rem .9rem; border-left: var(--border-w) solid var(--line); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat dt { font-size: .8rem; color: var(--text-3); line-height: 1.45; }
.stat dd { margin: 0; font-size: 1.3rem; font-weight: 700; line-height: 1.35; font-variant-numeric: tabular-nums; }

/* callouts & cards — tone shown by icon + label + border, never colour alone */
.callout, .note-card { position: relative; padding: .85rem 1rem; border-radius: var(--radius); border: var(--border-w) solid var(--line); border-left-width: 4px; background: var(--bg-elev); max-width: calc(var(--measure) + 4rem); }
.callout > * + *, .note-card .nc-body > * + * { margin-top: .5rem; }
.tone-label { display: inline-flex; align-items: center; gap: .35rem; font-size: .76rem; font-weight: 700; letter-spacing: .03em; margin-bottom: .25rem; }
.tone-info { border-left-color: var(--info); background: color-mix(in srgb, var(--info) var(--tint), var(--bg-elev)); }
.tone-info .tone-label { color: var(--info); }
.tone-warning { border-left-color: var(--warn); background: color-mix(in srgb, var(--warn) var(--tint), var(--bg-elev)); }
.tone-warning .tone-label { color: var(--warn); }
.tone-danger { border-left-color: var(--danger); background: color-mix(in srgb, var(--danger) var(--tint), var(--bg-elev)); }
.tone-danger .tone-label { color: var(--danger); }
.tone-success { border-left-color: var(--ok); background: color-mix(in srgb, var(--ok) var(--tint), var(--bg-elev)); }
.tone-success .tone-label { color: var(--ok); }
.tone-default { border-left-color: var(--line-strong); }
.callout-link { display: block; text-decoration: none; }
.callout-link:hover { border-color: var(--accent); }
.note-card { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: .2rem .8rem; }
.note-card .rule-n { grid-row: span 2; }
.note-card:not(:has(.rule-n)) { grid-template-columns: minmax(0, 1fr) auto; }
.nc-list { margin: 0; padding-left: 1.25rem; }
.nc-list li + li { margin-top: .25rem; }
.tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .6rem; }

/* tags: icon + (screen-reader) label + text */
.tag { display: inline-flex; align-items: baseline; gap: .3rem; padding: .05rem .55rem; border-radius: 999px; font-size: .84em; font-weight: 600; line-height: 1.6; border: var(--border-w) solid currentColor; vertical-align: baseline; }
.tag-ic { font-size: .9em; }
.tag-fine { color: var(--warn); background: color-mix(in srgb, var(--warn) var(--tint), var(--bg-elev)); }
.tag-severe { color: var(--danger); background: color-mix(in srgb, var(--danger) var(--tint), var(--bg-elev)); }
.tag-warning { color: var(--warn); background: color-mix(in srgb, var(--warn) var(--tint), var(--bg-elev)); border-style: dashed; }
.tag-note { color: var(--info); background: color-mix(in srgb, var(--info) var(--tint), var(--bg-elev)); border-style: dotted; }
.tag-info { color: var(--info); background: color-mix(in srgb, var(--info) var(--tint), var(--bg-elev)); }
.tag-neutral { color: var(--text-2); background: var(--surface-2); border-color: var(--line-strong); }
.em-danger { color: var(--danger); }
.em-warn { color: var(--warn); }
.em-info { color: var(--info); }
.em-ok { color: var(--ok); }

/* tables — scroll inside their frame on small screens */
/* position: relative keeps absolutely-positioned .sr-only labels inside the scroll frame */
.table-wrap { position: relative; overflow-x: auto; border: var(--border-w) solid var(--line); border-radius: var(--radius); background: var(--bg-elev); }
.table-wrap:focus-visible { outline-offset: 2px; }
.dtable { width: 100%; border-collapse: collapse; font-size: .93rem; min-width: 36rem; }
.dtable th { text-align: left; font-size: .8rem; font-weight: 700; color: var(--text-2); background: var(--surface-2); padding: .6rem .8rem; border-bottom: var(--border-w) solid var(--line-strong); white-space: nowrap; }
.dtable td { padding: .6rem .8rem; border-top: var(--border-w) solid var(--line); vertical-align: top; line-height: 1.6; }
.dtable tr:first-child td { border-top: 0; }
.scroll-hint { font-size: .78rem; color: var(--text-3); margin-top: .35rem; display: none; }

/* card grid & images */
.cardgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: .75rem; }
.cg-item { padding: .85rem 1rem; border-radius: var(--radius); border: var(--border-w) solid var(--line); background: var(--bg-elev); }
.cg-item h3 { font-size: 1rem; margin-bottom: .25rem; }
.cg-item p { color: var(--text-2); font-size: .93rem; }
.figure { margin: 0; }
.figure a { display: block; }
.figure img { display: block; border-radius: var(--radius); border: var(--border-w) solid var(--line); margin: 0 auto; }
.figure-zone img { width: 100%; max-width: 40rem; }
.figure-card img { width: 100%; max-width: 30rem; }
.figure figcaption { font-size: .9rem; color: var(--text-2); margin: .5rem auto 0; max-width: 40rem; text-align: center; }
.figure .fc-title { display: block; font-weight: 700; color: var(--text); font-size: 1rem; }
.gallery { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr)); }
.gallery-logos { grid-template-columns: repeat(auto-fill, minmax(6.5rem, 1fr)); }
.gallery-wide { grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); }
.gallery figure { margin: 0; height: 100%; border: var(--border-w) solid var(--line); border-radius: var(--radius-sm); overflow: hidden; background: var(--bg-elev); display: flex; flex-direction: column; }
.gallery a { display: block; }
.gallery img { display: block; width: 100%; height: auto; }
.gallery-logos img { aspect-ratio: 1 / 1; object-fit: contain; background: #000; }
.gallery figcaption { padding: .35rem .5rem; font-size: .82rem; line-height: 1.45; color: var(--text-2); text-align: center; }
.divider { border: 0; border-top: var(--border-w) solid var(--line); margin: 1.5rem 0; }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; margin-top: 3rem; padding-top: 1.25rem; border-top: var(--border-w) solid var(--line); }
.pager a { display: flex; flex-direction: column; padding: .75rem 1rem; border: var(--border-w) solid var(--line); border-radius: var(--radius); text-decoration: none; }
.pager a:hover { border-color: var(--accent); }
.pager .dir { font-size: .78rem; color: var(--text-3); }
.pager .t { font-weight: 600; }
.pager .next { text-align: right; grid-column: 2; }
.updated { font-size: .82rem; color: var(--text-3); }

/* ---------- search ---------- */
.sbox { position: relative; }
.sbox-field { display: flex; align-items: center; gap: .5rem; padding: 0 .75rem; border-radius: 999px; border: var(--border-w) solid var(--line-strong); background: var(--bg-elev); }
.sbox-field:focus-within { border-color: var(--focus); box-shadow: 0 0 0 calc(var(--focus-w) - 1px) var(--focus); }
.sbox-field svg { color: var(--text-3); }
.sbox input { flex: 1; min-width: 0; min-height: 2.5rem; border: 0; background: transparent; outline: none; }
.sbox input::placeholder { color: var(--text-3); opacity: 1; }
.sbox input::-webkit-search-cancel-button { filter: grayscale(1); }
.sbox-pop { position: absolute; left: 0; right: 0; top: calc(100% + .4rem); z-index: 60; max-height: min(70vh, 34rem); overflow-y: auto; background: var(--bg-elev); border: var(--border-w) solid var(--line-strong); border-radius: var(--radius); box-shadow: var(--shadow); padding: .4rem; }
.topbar .sbox-pop { min-width: min(34rem, 92vw); left: auto; }
.sbox-status { font-size: .8rem; color: var(--text-3); padding: .3rem .6rem .45rem; }
.sbox-list { list-style: none; margin: 0; padding: 0; }
.sr-item a { display: block; padding: .5rem .65rem; border-radius: var(--radius-sm); text-decoration: none; border: var(--border-w) solid transparent; }
.sr-item[aria-selected="true"] a, .sr-item a:hover { background: var(--surface-2); border-color: var(--line-strong); }
.sr-where { display: block; font-size: .76rem; color: var(--text-3); line-height: 1.45; }
.sr-title { display: block; font-weight: 600; line-height: 1.45; }
.sr-snip { display: block; font-size: .87rem; color: var(--text-2); line-height: 1.55; }
.search-dialog .sbox-pop { position: static; box-shadow: none; border: 0; max-height: none; padding: 0; margin-top: .6rem; }

/* ---------- dialogs ---------- */
dialog { color: var(--text); background: var(--bg-elev); border: var(--border-w) solid var(--line-strong); border-radius: 16px; padding: 0; box-shadow: var(--shadow); max-width: calc(100vw - 1.5rem); }
dialog::backdrop { background: var(--overlay); }
.dlg-head { display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding: 1rem 1.15rem .5rem; }
.dlg-head h2 { font-size: 1.1rem; }
.dlg-body { padding: .25rem 1.15rem 1.15rem; }
.prefs-dialog { width: 26rem; margin: calc(var(--topbar-h) + .5rem) 1rem auto auto; }
.prefs-dialog fieldset { border: 0; margin: 0 0 1rem; padding: 0; }
.prefs-dialog legend { font-weight: 700; font-size: .9rem; margin-bottom: .45rem; padding: 0; }
.seg { display: grid; grid-template-columns: repeat(auto-fit, minmax(6.5rem, 1fr)); gap: .4rem; }
.seg label { position: relative; display: flex; flex-direction: column; gap: .1rem; padding: .5rem .65rem; border-radius: var(--radius-sm); border: var(--border-w) solid var(--line-strong); cursor: pointer; font-size: .88rem; font-weight: 600; line-height: 1.35; }
.seg label small { font-weight: 400; color: var(--text-3); font-size: .74rem; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg label:has(input:checked) { border-color: var(--accent); box-shadow: inset 0 0 0 2px var(--accent); }
.seg label:has(input:checked)::after { content: '✓'; position: absolute; top: .3rem; right: .5rem; font-size: .8rem; color: var(--accent-text); }
.seg label:has(input:focus-visible) { outline: var(--focus-w) solid var(--focus); outline-offset: 2px; }
.swatches { display: flex; gap: .25rem; margin-top: .25rem; }
.swatches i { width: .8rem; height: .8rem; border-radius: 3px; display: inline-block; border: 1px solid var(--line-strong); }
.fs-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: .35rem; }
.fs-row label { align-items: center; padding: .4rem 0; }
.prefs-note { font-size: .8rem; color: var(--text-3); }
.search-dialog { width: 100vw; max-width: 100vw; height: 100dvh; max-height: 100dvh; margin: 0; border-radius: 0; border: 0; }
.search-dialog .dlg-body { padding-top: .75rem; }

#toast { position: fixed; left: 50%; bottom: 1.25rem; transform: translateX(-50%) translateY(calc(100% + 2rem)); z-index: 2000; background: var(--text); color: var(--bg); padding: .6rem 1rem; border-radius: 999px; font-weight: 600; font-size: .9rem; transition: transform .2s, visibility .2s; max-width: calc(100vw - 2rem); text-align: center; visibility: hidden; }
#toast:empty { padding: 0; }
#toast.show { transform: translateX(-50%) translateY(0); visibility: visible; }
#toast.err { background: var(--danger); color: var(--bg); }

.draft-banner { position: sticky; top: calc(var(--topbar-h) + 3px); z-index: 45; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .5rem 1rem; padding: .5rem 1rem; font-size: .88rem; background: var(--pill-bg); color: var(--pill-ink); font-weight: 600; }
.draft-banner button { background: transparent; color: inherit; border: 1.5px solid currentColor; border-radius: 999px; padding: .1rem .7rem; font-weight: 700; }
.state-msg { max-width: 36rem; margin: 4rem auto; text-align: center; color: var(--text-2); }
.state-msg h1 { font-size: 1.4rem; color: var(--text); margin-bottom: .5rem; }
.state-msg code { background: var(--surface-2); padding: .1rem .35rem; border-radius: 4px; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .topbar .sbox { width: min(20rem, 34vw); }
}
@media (max-width: 900px) {
  :root { --topbar-h: 3.25rem; }
  .layout { grid-template-columns: minmax(0, 1fr); }
  .nav-toggle, .search-open { display: inline-flex; }
  .topbar .sbox { display: none; }
  .topbar { padding: 0 .6rem; gap: .4rem; }
  .brand-kicker { display: none; }
  .sidebar { position: fixed; z-index: 70; top: var(--topbar-h); left: 0; bottom: 0; height: auto; width: min(20rem, 86vw); transform: translateX(-102%); visibility: hidden; transition: transform .2s, visibility .2s; box-shadow: var(--shadow); background: var(--bg-elev); }
  .sidebar.open { transform: none; visibility: visible; }
  .scrim { position: fixed; inset: var(--topbar-h) 0 0 0; z-index: 65; background: var(--overlay); }
  .scrim.open { display: block; }
  .cat-grid { grid-template-columns: minmax(0, 1fr); }
  .cat { padding: .9rem 1rem .75rem; }
  .scroll-hint { display: block; }
  .prefs-dialog { margin: calc(var(--topbar-h) + .4rem) auto auto; width: calc(100vw - 1.5rem); }
}
@media (max-width: 560px) {
  body { font-size: 1rem; }
  main { padding: 1.1rem 1rem 3rem; }
  .hero { grid-template-columns: 1fr; text-align: left; }
  .hero-logo { width: 4rem; height: 4rem; }
  .rule { grid-template-columns: 1.9rem minmax(0, 1fr) auto; gap: .15rem .55rem; }
  .fact dt { min-width: 0; }
  .fact dd { min-width: 0; flex-basis: 100%; }
  .stat { padding: .55rem .6rem; }
  .stat:nth-child(2n+1) { border-left: 0; padding-left: 0; }
  .pager { grid-template-columns: 1fr; }
  .pager .next { grid-column: 1; }
  .brand-title { font-size: .85rem; }
  .toc-mini ol { columns: 1; }
  .seg { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}
[data-motion="reduce"] *, [data-motion="reduce"] *::before, [data-motion="reduce"] *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
@media print {
  .topbar, .sidebar, .progress, .sec-actions, .copy-link, .pager, .toc-mini, #adminSlot { display: none !important; }
  .layout { display: block; }
  .part-body[hidden] { display: block !important; }
}