/* =====================================================================
   Global search overlay (scripts/search.js). Loaded on every page.
   Prefix sx-. Kind colours follow the depth gauge: pages orange (01/02),
   clusters crimson (03), documents, sections, references, terms purple (04).
   ===================================================================== */
html.sx-lock { overflow: hidden; }
.sx { position: fixed; inset: 0; z-index: 500; }
.sx[hidden] { display: none; }
.sx__scrim { position: absolute; inset: 0; background: rgba(8, 8, 8, 0.72); -webkit-backdrop-filter: blur(6px) saturate(0.9); backdrop-filter: blur(6px) saturate(0.9); opacity: 0; transition: opacity 0.16s; }
.sx__panel { position: relative; margin: 8vh auto 0; width: min(900px, calc(100vw - 32px)); max-height: 84vh; display: grid; grid-template-rows: auto auto minmax(0, 1fr) auto; background: #1c1c1c; border: 1px solid var(--line-2); border-radius: 10px; box-shadow: 0 40px 120px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(0, 0, 0, 0.4); overflow: hidden; opacity: 0; transform: translateY(-10px) scale(0.985); transition: opacity 0.16s, transform 0.22s var(--ease-out); }
.sx__panel::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--stripes); }
.sx.is-open .sx__scrim, .sx.is-open .sx__panel { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .sx__scrim, .sx__panel { transition: none; } }

.sx__top { display: flex; align-items: center; gap: 14px; padding: 18px 18px 14px 22px; border-bottom: 1px solid var(--line); }
.sx__field { flex: 1; min-width: 0; display: flex; align-items: center; gap: 16px; cursor: text; }
.sx__k { flex: none; font: 500 11px/1 var(--font-mono); letter-spacing: 0.05em; color: var(--purple-ink); }
.sx__input { flex: 1; min-width: 0; font: 400 clamp(22px, 2.6vw, 32px)/1.2 var(--font-display); letter-spacing: -0.035em; color: var(--ink); background: none; border: 0; outline: none; padding: 6px 0; caret-color: var(--amber); }
.sx__input::placeholder { color: #5e5e5e; }
.sx__input::-webkit-search-cancel-button { -webkit-appearance: none; }
.sx__close { flex: none; font: 500 11.5px/1 var(--font-mono); color: var(--ink-2); padding: 9px 10px; border: 1px solid var(--line-2); border-radius: 4px; }
.sx__close:hover { color: var(--ink); border-color: var(--ink-3); }
.sx__x { display: none; }

.sx__tabs { display: flex; gap: 4px; padding: 10px 18px 10px 18px; border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: none; }
.sx__tabs::-webkit-scrollbar { display: none; }
.sx__tabs[hidden] { display: none; }
.sx-tab { flex: none; display: inline-flex; align-items: center; gap: 7px; font: 500 11.5px/1 var(--font-mono); color: var(--ink-2); padding: 8px 10px; border-radius: 99px; border: 1px solid transparent; }
.sx-tab span { color: var(--ink-3); font-weight: 400; font-variant-numeric: tabular-nums; }
.sx-tab:hover:not(:disabled) { color: var(--ink); border-color: var(--line-2); }
.sx-tab[aria-selected="true"] { background: var(--ink); color: #121212; }
.sx-tab[aria-selected="true"] span { color: #555; }
.sx-tab:disabled { opacity: 0.35; cursor: default; }

.sx__body { overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: var(--bg-raise-2) transparent; }
.sx__list { padding: 6px 10px 14px; }
.sx-g { padding-top: 10px; }
.sx-g__h { display: flex; justify-content: space-between; align-items: baseline; font: 500 10.5px/1 var(--font-mono); letter-spacing: 0.05em; color: var(--ink-3); margin: 6px 12px 8px; }
.sx-g__n { font-weight: 400; letter-spacing: 0; }

.sx-r { --kc: var(--purple-ink); position: relative; display: grid; grid-template-columns: 84px minmax(0, 1fr) 20px; gap: 14px; align-items: start; padding: 11px 12px; border-radius: 6px; text-decoration: none; color: var(--ink-2); scroll-margin: 8px; }
.sx-r--d1 { --kc: var(--orange-ink); }
.sx-r--d2 { --kc: var(--crimson-ink); }
.sx-r--d3 { --kc: var(--purple-ink); }
.sx-r__k { font: 500 9.5px/1.5 var(--font-mono); letter-spacing: 0.06em; color: var(--kc); padding-top: 3px; white-space: nowrap; }
.sx-r__m { min-width: 0; display: grid; gap: 3px; }
.sx-r__t { font: 400 17px/1.3 var(--font-display); letter-spacing: -0.015em; color: var(--ink); overflow-wrap: anywhere; }
.sx-r__d { font: 400 11.5px/1.4 var(--font-mono); color: var(--kc); }
.sx-r__s { font: 400 13.5px/1.5 var(--font-text); color: var(--ink-3); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sx-r__go { font: 400 14px/1 var(--font-mono); color: var(--ink-3); opacity: 0; padding-top: 4px; }
.sx-r mark { background: none; color: var(--amber); box-shadow: inset 0 -1px 0 color-mix(in srgb, var(--amber) 60%, transparent); }
.sx-r__s mark { color: var(--ink); box-shadow: inset 0 -1px 0 var(--amber); }
.sx-r.is-active { background: rgba(255, 255, 255, 0.06); }
.sx-r.is-active::before { content: ""; position: absolute; left: 0; top: 10px; bottom: 10px; width: 3px; border-radius: 2px; background: var(--kc); }
.sx-r.is-active .sx-r__go { opacity: 1; color: var(--ink); }
.sx-more { display: block; margin: 2px 12px 6px 110px; font: 500 11.5px/1 var(--font-mono); color: var(--ink-2); padding: 9px 0; }
.sx-more:hover { color: var(--amber); }

.sx-msg { font: 400 13px/1.6 var(--font-mono); color: var(--ink-3); margin: 18px 12px; }
.sx-msg a { color: var(--ink); }
.sx-none { padding: 28px 12px 18px; }
.sx-none__t { margin: 0 0 4px; font: 400 26px/1.1 var(--font-display); letter-spacing: -0.035em; color: var(--ink); }
.sx-none .sx-msg { margin: 8px 0 0; }

.sx-empty { padding: 8px 2px 6px; display: grid; gap: 14px; }
.sx-empty__b .sx-g__h { margin-bottom: 10px; }
.sx-chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 12px; }
.sx-chip { font: 400 13px/1 var(--font-text); color: var(--ink-2); padding: 9px 12px; border: 1px solid var(--line-2); border-radius: 99px; }
.sx-chip:hover, .sx-chip:focus-visible { color: var(--ink); border-color: var(--amber); }
.sx-jump { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 200px), 1fr)); gap: 4px; padding: 0 8px; }
.sx-jump__a { display: grid; gap: 4px; padding: 10px; border-radius: 6px; text-decoration: none; }
.sx-jump__a span { font: 400 16px/1.2 var(--font-display); letter-spacing: -0.02em; color: var(--ink); }
.sx-jump__a small { font: 400 11px/1 var(--font-mono); color: var(--ink-3); }
.sx-jump__a:hover, .sx-jump__a:focus-visible { background: rgba(255, 255, 255, 0.05); }
.sx-jump__a:hover span { color: var(--amber); }
.sx-msg--how { margin-top: 4px; }

.sx__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; padding: 11px 22px; border-top: 1px solid var(--line); font: 400 11px/1 var(--font-mono); color: var(--ink-3); background: #181818; }
.sx__foot kbd { display: inline-block; min-width: 18px; padding: 3px 5px; margin-right: 3px; border: 1px solid var(--line-2); border-radius: 3px; text-align: center; font-size: 10.5px; color: var(--ink-2); }
.sx__count { margin-left: auto; }

@media (max-width: 720px) {
  .sx__panel { margin: 0; width: 100%; height: 100dvh; max-height: none; border-radius: 0; border: 0; }
  .sx__top { padding: 12px 12px 10px 16px; gap: 10px; }
  .sx__field { flex-direction: column; align-items: flex-start; gap: 6px; }
  .sx__input { font-size: 24px; width: 100%; }
  .sx__esc { display: none; }
  .sx__x { display: inline; }
  .sx__close { padding: 12px 12px; }
  .sx__tabs { padding: 8px 12px; }
  .sx__list { padding: 4px 6px 24px; }
  .sx-r { grid-template-columns: minmax(0, 1fr); gap: 4px; padding: 12px 10px; }
  .sx-r__go { display: none; }
  .sx-r.is-active { background: transparent; }
  .sx-r.is-active::before { display: none; }
  .sx-r:active { background: rgba(255, 255, 255, 0.06); }
  .sx-more { margin-left: 10px; }
  .sx__foot { display: none; }
}