:root{--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--bg:#f8fafc;--card:#fff;--accent:#0f62fe;--accent-2:#e8f0ff;--diff:#fff7d6;--warn:#b45309}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1180px;margin:0 auto;padding:0 18px}
.site-header{background:#0f172a;color:#fff;position:sticky;top:0;z-index:10}
.hdr{display:flex;align-items:center;gap:20px;min-height:56px;flex-wrap:wrap}
.logo{color:#fff;font-weight:700;font-size:18px;letter-spacing:.2px}
.nav{display:flex;gap:16px;flex:1}.nav a{color:#cbd5e1}.nav a:hover{color:#fff}
.pill{display:inline-block;min-width:20px;padding:0 6px;border-radius:10px;background:var(--accent);color:#fff;font-size:12px;text-align:center}
.units{display:flex;border:1px solid #334155;border-radius:8px;overflow:hidden}
.units button{background:transparent;color:#cbd5e1;border:0;padding:6px 12px;cursor:pointer;font:inherit;font-size:13px}
.units button.on{background:var(--accent);color:#fff}
main{padding:24px 18px 48px}
h1{font-size:28px;margin:6px 0 8px}h2{font-size:19px;margin:28px 0 12px}
.muted{color:var(--muted)}.small{font-size:13px}
.hero{padding:22px 0 8px}.lead{font-size:17px;color:#334155;max-width:760px}
.search{position:relative;max-width:640px;margin-top:16px}
.search input{width:100%;padding:14px 16px;font-size:16px;border:1px solid #cbd5e1;border-radius:10px;background:#fff}
.search input:focus{outline:2px solid var(--accent);border-color:transparent}
.results{display:none;position:absolute;left:0;right:0;top:100%;margin-top:6px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 10px 30px rgba(15,23,42,.12);z-index:5;overflow:hidden}
.results.open{display:block}.results a{display:flex;justify-content:space-between;gap:10px;padding:10px 14px;color:var(--ink);border-top:1px solid var(--line)}
.results a:first-child{border-top:0}.results a:hover{background:var(--accent-2);text-decoration:none}.results .none{padding:12px 14px;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:4px;color:var(--ink)}
.card:hover{border-color:var(--accent);text-decoration:none;box-shadow:0 4px 14px rgba(15,98,254,.08)}
.cat-name{font-weight:600}.count{font-size:13px;color:var(--accent);margin-top:auto}
.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{background:#fff;border:1px solid var(--line);border-radius:20px;padding:6px 14px;color:var(--ink)}
.chip:hover{border-color:var(--accent);text-decoration:none}
.crumbs{font-size:13px;color:var(--muted);margin:0}
.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:12px 0}
.filters input,.filters select{padding:8px 10px;border:1px solid #cbd5e1;border-radius:8px;font:inherit;background:#fff}
.filters input[type=number]{width:96px}.wrange{font-size:13px;color:#334155}
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:#fff}
table{border-collapse:collapse;width:100%}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.list th{font-size:12px;text-transform:uppercase;letter-spacing:.3px;color:#475569;background:#f1f5f9;white-space:nowrap;cursor:pointer;user-select:none}
table.list td{white-space:nowrap}table.list tr:hover td{background:#f8fbff}
.missing{color:#94a3b8;font-style:italic}.conv{color:#334155}
.empty{color:var(--muted);text-align:center;padding:24px}
.btn{display:inline-block;padding:8px 14px;border:1px solid #cbd5e1;border-radius:8px;background:#fff;color:var(--ink);font:inherit;font-size:14px;cursor:pointer}
.btn:hover{border-color:var(--accent);text-decoration:none}.btn.on{background:var(--accent-2);border-color:var(--accent)}
.small-btn{padding:6px 10px;font-size:13px}
.model-head{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:flex-start}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.config{max-width:780px;margin:4px 0}
.toc{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0}.toc a{font-size:13px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:3px 10px}
.diagram-wrap{background:#fff;border:1px solid var(--line);border-radius:12px;padding:6px 16px 14px}
.diagram{width:100%;max-width:760px;height:auto;display:block}
.legend{max-width:760px}.legend td{padding:5px 8px}
.letter{display:inline-block;width:22px;height:22px;border-radius:50%;background:var(--accent);color:#fff;text-align:center;font-weight:700;font-size:12px;line-height:22px}
.spec-sec table.spec{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
table.spec thead th{font-size:12px;text-transform:uppercase;color:#475569;background:#f1f5f9}
table.spec tbody th{width:28%;font-weight:500}table.spec td.val{width:22%;font-weight:600;white-space:nowrap}
td.src{font-size:13px;color:#334155}td.src a{word-break:break-word}.pub{color:var(--muted)}.note{color:#475569;margin-top:2px}
.cmp-pick{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0}.cmp-pick select{padding:8px;border:1px solid #cbd5e1;border-radius:8px;font:inherit;min-width:240px;max-width:100%}
table.cmp th[scope=row]{font-weight:500;width:26%}table.cmp tr.diff td,table.cmp tr.diff th{background:var(--diff)}
table.cmp tr.sec th{background:#0f172a;color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.4px}
.srcl{font-size:11px;margin-left:4px;color:var(--muted)}
.site-footer{border-top:1px solid var(--line);background:#fff;padding:18px 0 28px;font-size:13px;color:#334155}
.caveat{font-weight:400;font-size:12px;color:var(--warn);white-space:normal;margin-top:3px;max-width:340px}.caveat-mark{color:var(--warn);cursor:help}
.data-notes{background:#fffbeb;border:1px solid #fde68a;border-radius:10px;padding:10px 14px;margin:12px 0;font-size:14px;max-width:900px}.data-notes ul{margin:6px 0 0;padding-left:18px}
table.brands td{white-space:normal}td.num{text-align:right}
@media (max-width:640px){h1{font-size:23px}.hdr{padding:8px 18px;gap:10px}.nav{order:3;flex-basis:100%;gap:14px}table.spec tbody th{width:auto}table.spec,table.spec tbody,table.spec tr{display:block}table.spec thead{display:none}table.spec tr{border-bottom:1px solid var(--line);padding:6px 0}table.spec th,table.spec td{display:block;border:0;padding:2px 10px;width:auto!important}}
@media print{.site-header,.no-print,.toc,.units{display:none!important}body{background:#fff;font-size:11px}main{padding:0}.table-scroll,.spec-sec table.spec,.diagram-wrap{border:0}.spec-sec{break-inside:avoid}a{color:#000}td.src a::after{content:" (" attr(href) ")";font-size:9px;word-break:break-all}.site-footer{border:0}}
.empty-cat{background:#f1f5f9;border:1px dashed #cbd5e1;border-radius:10px;padding:12px 16px;max-width:900px}