:root { --bg:#f6f7f9; --card:#fff; --ink:#1b1f24; --muted:#6b7280; --line:#e5e7eb; --pri:#2563eb;
        --ok:#15803d; --warn:#b45309; --danger:#b91c1c; --info:#475569; }
* { box-sizing: border-box; }
body { margin:0; font-family:"Malgun Gothic","Apple SD Gothic Neo",sans-serif; background:var(--bg); color:var(--ink); line-height:1.5; }
header { padding:28px 16px 8px; max-width:760px; margin:0 auto; }
header h1 { margin:0; font-size:26px; } header h1 a { color:inherit; text-decoration:none; }
.tag { margin:6px 0 0; color:var(--muted); }
main { max-width:760px; margin:0 auto; padding:8px 16px 40px; }
.card { background:var(--card); border:1px solid var(--line); border-radius:12px; padding:18px 20px; margin:14px 0; }
.card h2 { margin:0 0 12px; font-size:17px; }
.row { display:flex; gap:8px; flex-wrap:wrap; align-items:center; }
.row label { display:flex; align-items:center; gap:6px; }
input { font:inherit; padding:10px 12px; border:1px solid var(--line); border-radius:8px; flex:1; min-width:140px; }
button { font:inherit; padding:10px 16px; border:1px solid var(--line); border-radius:8px; background:#fff; cursor:pointer; }
button.primary { background:var(--pri); color:#fff; border-color:var(--pri); width:100%; padding:14px; font-size:16px; margin-top:12px; }
button:disabled { opacity:.6; cursor:default; }
.list { list-style:none; padding:0; margin:10px 0 0; }
.list li { padding:10px 12px; border:1px solid var(--line); border-radius:8px; margin:6px 0; cursor:pointer; }
.list li:hover { border-color:var(--pri); }
.picked { padding:10px 12px; background:#eff6ff; border-radius:8px; margin-top:10px; }
.preview { margin-top:10px; }
.grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:6px 16px; }
.grid .k { display:inline-block; color:var(--muted); min-width:92px; }
.muted { color:var(--muted); } .err { color:var(--danger); } .hint { color:var(--muted); font-size:13px; margin:8px 0 0; }
.small { font-size:12px; }
.what { margin:0; padding-left:20px; }
.warn { border-color:#fcd34d; background:#fffbeb; }
.grade { display:flex; gap:20px; align-items:center; }
.grade .big { font-size:30px; font-weight:800; min-width:110px; }
.grade-danger .big { color:var(--danger); } .grade-warn .big { color:var(--warn); } .grade-ok .big { color:var(--ok); }
.signals { list-style:none; padding:0; margin:0; }
.signals li { padding:10px 12px; border-left:4px solid var(--line); margin:8px 0; background:#fafafa; border-radius:0 8px 8px 0; }
.signals .lv { display:inline-block; font-size:12px; font-weight:700; padding:1px 8px; border-radius:10px; margin-right:8px; color:#fff; }
.signals p { margin:4px 0 0; color:#374151; font-size:14px; }
.s-danger { border-color:var(--danger); } .s-danger .lv { background:var(--danger); }
.s-warn { border-color:var(--warn); } .s-warn .lv { background:var(--warn); }
.s-ok { border-color:var(--ok); } .s-ok .lv { background:var(--ok); }
.s-info { border-color:var(--info); } .s-info .lv { background:var(--info); }
table { border-collapse:collapse; width:100%; font-size:14px; margin:6px 0 12px; }
th, td { border-bottom:1px solid var(--line); padding:6px 8px; text-align:left; }
footer { max-width:760px; margin:0 auto; padding:0 16px 30px; color:var(--muted); font-size:12px; }
footer a { color:var(--muted); }
.card ul, .card ol { padding-left:20px; } .card h2 + p, .card ul li { font-size:14px; }
@media (max-width:600px) { .grade { flex-direction:column; align-items:flex-start; gap:6px; } }