:root{--ink:#16202b;--muted:#5b6876;--line:#dfe4ea;--bg:#f5f7f9;--card:#fff;--accent:#0b5cad;--ok:#17723f;--warn:#9a5b00;--bad:#a12622}
*{box-sizing:border-box}
body{margin:0;font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--accent)}
header.top{background:var(--card);border-bottom:1px solid var(--line)}
header.top .in{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;justify-content:space-between}
.in{max-width:960px;margin:0 auto;padding:12px 16px}
.brand{font-weight:700;font-size:18px;text-decoration:none;color:var(--ink)}
.brand small{display:block;font-weight:400;font-size:12px;color:var(--muted)}
nav{display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center;font-size:15px}
main.in{padding-top:20px;padding-bottom:48px}
h1{font-size:24px;margin:0 0 4px}h2{font-size:18px;margin:28px 0 10px}
p.sub{color:var(--muted);margin:0 0 16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin:0 0 14px}
.narrow{max-width:420px;margin:40px auto}
label{display:block;font-weight:600;margin:0 0 6px}
input[type=email],input[type=text],input[type=url],select,textarea{width:100%;padding:11px 12px;font:inherit;border:1px solid #b9c2cc;border-radius:8px;background:#fff}
button,.btn{display:inline-block;padding:11px 16px;font:inherit;font-weight:600;color:#fff;background:var(--accent);border:0;border-radius:8px;cursor:pointer;text-decoration:none}
button.link{background:none;color:var(--accent);padding:0;font-weight:400}
button.quiet,.btn.quiet{background:#e8edf2;color:var(--ink)}
form.inline{display:inline}
.row{margin:0 0 14px}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:13px;color:var(--muted);font-weight:600}
.tag{display:inline-block;padding:1px 8px;border-radius:999px;font-size:13px;background:#e8edf2;color:var(--ink);white-space:nowrap}
.tag.ok{background:#dff3e7;color:var(--ok)}.tag.warn{background:#fdf0d5;color:var(--warn)}.tag.bad{background:#fbe3e1;color:var(--bad)}
.note{background:#fdf0d5;border:1px solid #f0d9a6;border-radius:8px;padding:10px 12px;margin:0 0 14px}
.err{background:#fbe3e1;border:1px solid #f0bcb8;border-radius:8px;padding:10px 12px;margin:0 0 14px}
.muted{color:var(--muted)}
.scroll{overflow-x:auto}
.msg{border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin:0 0 10px;background:#fff}
.msg.out{border-left:4px solid var(--accent)}.msg.in{border-left:4px solid var(--ok)}
.msg .who{font-weight:600}.msg .who span{font-weight:400;color:var(--muted);font-size:13px}
.msg .subj{color:var(--muted);font-size:14px;margin:2px 0 6px}
.msg pre{margin:0;white-space:pre-wrap;word-wrap:break-word;font:inherit}
img.proof{max-width:100%;height:auto;border:1px solid var(--line);border-radius:8px}
table.card-rows th{width:30%;font-size:15px;color:var(--ink)}
.grade{display:inline-block;font-size:34px;font-weight:700;line-height:1;padding:8px 16px;border-radius:10px;background:#e8edf2;margin-right:10px;vertical-align:middle}
.summary{background:#fdf9e8;border-left:4px solid #d9a90b;border-radius:6px;padding:12px;margin:14px 0}
table.compare th:first-child,table.compare td:first-child{position:sticky;left:0;background:var(--card);min-width:130px}
table.compare th,table.compare td{min-width:150px}
table.compare .own{background:#f0f7ff}
@media print{header.top nav,.noprint{display:none}body{background:#fff}.card{border:0;padding:0}}
dl.nums{display:grid;grid-template-columns:minmax(140px,1fr) 2fr;gap:6px 12px;margin:0}dl.nums dt{color:var(--muted)}dl.nums dd{margin:0;font-weight:600}
@media(max-width:560px){h1{font-size:21px}th,td{padding:8px 6px;font-size:15px}}