:root {
  --ink: #2e2923;
  --ink-soft: #6b6156;
  --line: #ddd0b6;
  --terracotta: #c4623f;
  --teal: #3f8590;
  --paper: url(../assets/ui/frames/parchment.png) center / 320px, #f7f1e4;
  --display: 'Marcellus', Georgia, serif;
  --ui: 'Nunito Sans', system-ui, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.55 var(--ui); color: var(--ink); background: var(--paper); }
.top { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; gap: 14px; padding: 10px 24px;
  background: linear-gradient(#f3ead6, #e6d9bc); border-bottom: 2px solid #8a5a32; box-shadow: 0 2px 6px rgba(40, 30, 15, .2); }
.brand { font: 400 26px var(--display); color: var(--ink); text-decoration: none; }
.sub { color: var(--ink-soft); }
#search { margin-left: auto; width: min(320px, 50vw); padding: 7px 11px; border-radius: 9px; border: 1px solid var(--line); font: 14px var(--ui); background: #fff; }
.layout { display: grid; grid-template-columns: 230px 1fr; gap: 28px; max-width: 1280px; margin: 0 auto; padding: 22px 24px 60px; }
#toc { position: sticky; top: 72px; align-self: start; }
#toc ol { margin: 0; padding-left: 20px; }
#toc li { margin: 4px 0; }
#toc a { color: var(--ink); text-decoration: none; font-weight: 700; font-size: 14px; }
#toc a:hover { color: var(--terracotta); }
main { min-width: 0; }
section { margin-bottom: 34px; scroll-margin-top: 72px; }
h2 { font: 400 28px var(--display); margin: 0 0 8px; color: #7a3a22; }
h4 { font: 400 19px var(--display); margin: 18px 0 6px; }
table { width: 100%; border-collapse: collapse; margin: 8px 0 14px; font-size: 13.5px; background: rgba(255, 253, 247, .6); }
th { text-align: left; font-size: 12px; color: var(--ink-soft); padding: 5px 7px; border-bottom: 2px solid var(--line); white-space: nowrap; }
td { padding: 5px 7px; border-bottom: 1px dashed var(--line); vertical-align: middle; font-variant-numeric: tabular-nums; }
.ico { width: 20px; height: 20px; object-fit: contain; vertical-align: -5px; margin-right: 3px; }
th .ico { width: 18px; height: 18px; }
.uico { width: 30px; height: 30px; object-fit: contain; vertical-align: middle; margin-right: 5px; }
.c { white-space: nowrap; margin-right: 6px; }
.bld { background: rgba(255, 253, 247, .65); border-radius: 10px; box-shadow: inset 0 0 0 1px var(--line); padding: 8px 12px; margin: 6px 0; }
.bld summary { cursor: pointer; display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.bld summary b { font: 400 18px var(--display); }
.tags { font-size: 12.5px; color: var(--ink-soft); }
.bld p { margin: 6px 0; color: var(--ink-soft); }
.lv td:first-child { font-weight: 800; }
.hint { color: var(--ink-soft); font-style: italic; }
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; padding: 16px; }
  #toc { position: static; }
  table { display: block; overflow-x: auto; }
}
@media (max-width: 640px) {
  .top { padding: 8px 16px; gap: 10px; }
  .sub { display: none; }
  #search { width: auto; flex: 1; min-height: 40px; font-size: 16px; }
  #toc li { margin: 0; }
  #toc a { display: block; padding: 9px 0; }
  .bld summary { min-height: 40px; align-items: center; }
}