:root{--ink:#141414;--muted:#666;--paper:#f4f3ef;--white:#fff;--line:#d3d1ca;--red:#bd202b;--green:#176b48;--blue:#0759b8}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"Helvetica Neue",sans-serif}.topbar{height:52px;padding:0 28px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:18px;background:#fff;font-size:13px}.topbar a,.topbar strong{color:#111;text-decoration:none;font-weight:800}.topbar span{color:var(--muted)}.index-wrap,.property-wrap{width:min(1420px,calc(100% - 48px));margin:0 auto;padding:54px 0 72px}.index-head{display:grid;grid-template-columns:1fr 1fr;align-items:end;border-bottom:1px solid #999;padding-bottom:34px;margin-bottom:34px}.index-head .kicker{grid-column:1/-1;margin:0 0 14px;font-size:11px;font-weight:800;letter-spacing:.12em}.index-head h1{margin:0;font-size:clamp(46px,6.4vw,92px);line-height:.9;letter-spacing:-.055em}.index-head>p:last-child{justify-self:end;width:280px;margin:0;color:var(--muted);font-size:17px;line-height:1.4}.property-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.property-card{min-width:0;background:#fff;text-decoration:none;color:inherit;padding:14px;display:grid;grid-template-rows:auto 150px auto;gap:12px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.property-card:hover{background:#f9f9f7}.card-meta{display:flex;justify-content:space-between;font-size:11px;font-weight:800}.card-meta span:last-child{color:var(--muted)}.property-card img{width:100%;height:150px;object-fit:cover;border:1px solid #bbb}.property-card h2{margin:0;font-size:18px;line-height:1.1}.property-head{display:grid;grid-template-columns:160px 1fr;gap:24px;padding-bottom:28px;border-bottom:1px solid #999}.property-id{font:700 13px/1.2 "Courier New",monospace;color:var(--red)}.property-head h1{margin:0;font-size:clamp(42px,6vw,82px);line-height:.92;letter-spacing:-.05em}.rule-line{grid-column:2;margin:12px 0 0;font-size:18px;color:#444}.example-tabs{display:flex;gap:0;margin:26px 0 14px;border-bottom:1px solid var(--line)}.example-tab{border:0;border-bottom:3px solid transparent;background:transparent;padding:10px 16px 9px 0;margin-right:24px;font:700 13px Arial;cursor:pointer;color:#666}.example-tab[aria-selected="true"]{color:#111;border-color:#111}.evidence-frame{margin:0;background:#111;border:1px solid #111}.evidence-frame img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:contain}.caption-row{display:grid;grid-template-columns:1fr 1fr;background:#fff;border:1px solid var(--line);border-top:0}.state{padding:18px 20px;display:grid;grid-template-columns:94px 1fr;gap:14px;align-items:start}.state:first-child{border-right:1px solid var(--line)}.state span{font-size:11px;font-weight:900;letter-spacing:.08em}.state strong{font-size:18px;line-height:1.18}.expected span{color:var(--green)}.actual span{color:var(--red)}.example-foot{display:flex;justify-content:space-between;gap:20px;margin-top:12px;color:var(--muted);font-size:12px}.example-foot strong{color:#111}.tech{margin-top:26px;border-top:1px solid #999;border-bottom:1px solid #999}.tech summary{padding:16px 0;cursor:pointer;font-weight:800;font-size:13px}.tech-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:0 0 24px}.tech-item{min-width:0}.tech-label{font-size:10px;font-weight:800;letter-spacing:.1em;color:#666}.tech code{display:block;margin-top:8px;padding:14px;background:#e9e8e3;border:1px solid #ccc;font:13px/1.5 "Courier New",monospace;white-space:pre-wrap;overflow-wrap:anywhere}.controlled{display:inline-block;border:1px solid #999;padding:4px 7px;font-size:10px;font-weight:800;letter-spacing:.06em}@media(max-width:1000px){.property-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:700px){.index-wrap,.property-wrap{width:min(100% - 28px,1420px);padding-top:30px}.index-head{grid-template-columns:1fr;gap:22px}.index-head>p:last-child{justify-self:start}.property-grid{grid-template-columns:1fr}.property-head{grid-template-columns:1fr}.rule-line{grid-column:1}.caption-row,.tech-grid{grid-template-columns:1fr}.state:first-child{border-right:0;border-bottom:1px solid var(--line)}.state{grid-template-columns:78px 1fr}.example-foot{display:block}.example-foot>*{margin-bottom:8px}}