:root{--bg:#f6f7f9;--card:#fff;--fg:#1d2330;--muted:#667085;--line:#e3e6ec;--accent:#2563eb;--accent-fg:#fff;
--high:#c0262d;--high-bg:#fdecec;--med:#a15c00;--med-bg:#fff4e0;--low:#3d5a80;--low-bg:#eaf1fb;--ok:#18794e;--ok-bg:#e6f6ee;color-scheme:light}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#111418;--card:#1a1f26;--fg:#e6e9ee;--muted:#9aa4b2;--line:#2b323c;--accent:#5b8cff;
--high:#ff7a7f;--high-bg:#3a1b1d;--med:#ffb648;--med-bg:#36280f;--low:#9cc0ff;--low-bg:#1a2639;--ok:#5fd39a;--ok-bg:#12301f;color-scheme:dark}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
header{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--card);border-bottom:1px solid var(--line)}
.brand{font-weight:700;color:var(--fg)}.brand small{font-weight:400;color:var(--muted);margin-left:6px}
nav{display:flex;flex-wrap:wrap;gap:14px;align-items:center}.who{color:var(--muted);font-size:13px}
main{max-width:1080px;margin:0 auto;padding:20px 16px 60px}h1{font-size:24px;margin:0 0 6px}h2{font-size:18px;margin:28px 0 10px}h3{margin:0 0 8px;font-size:15px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px}.narrow{max-width:440px;margin:40px auto}
.lead{font-size:16px}hr{border:0;border-top:1px solid var(--line);margin:18px 0}
label{display:block;font-weight:600;margin:10px 0}input{display:block;width:100%;margin-top:4px;padding:9px 10px;border:1px solid var(--line);border-radius:7px;background:var(--bg);color:var(--fg);font:inherit}
input.code{font-size:26px;letter-spacing:.3em;text-align:center}input.arg{display:inline-block;width:150px;margin:0 6px 0 0;padding:6px 8px}
button{background:var(--accent);color:var(--accent-fg);border:0;border-radius:7px;padding:8px 14px;font:inherit;font-weight:600;cursor:pointer}
button.secondary{background:transparent;color:var(--accent);border:1px solid var(--accent)}button:disabled{opacity:.6;cursor:wait}
button.linkish{background:none;color:var(--accent);padding:0;font-weight:400}form.inline{display:inline-flex;align-items:center}
.row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px;margin-top:14px}
.site{display:flex;flex-direction:column;gap:2px;color:var(--fg)}.site:hover{border-color:var(--accent);text-decoration:none}
.badges{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:8px}
.pill{display:inline-block;border-radius:99px;padding:2px 9px;font-size:12px;font-weight:600}
.pill.high{color:var(--high);background:var(--high-bg)}.pill.medium{color:var(--med);background:var(--med-bg)}.pill.ok{color:var(--ok);background:var(--ok-bg)}
.muted{color:var(--muted)}.small{font-size:12.5px}.tag{font-size:11px;background:var(--ok-bg);color:var(--ok);padding:1px 6px;border-radius:5px}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}.tile{background:var(--card);border:1px solid var(--line);border-radius:9px;padding:10px 12px}
.tile span{display:block;color:var(--muted);font-size:12px}.tile b{font-size:18px;font-variant-numeric:tabular-nums}
.sugg{list-style:none;padding:0;margin:0;display:grid;gap:8px}.sugg li{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;background:var(--card);border:1px solid var(--line);border-left:4px solid var(--low);border-radius:8px;padding:10px 14px}
.sugg li div{flex:1 1 320px}.sugg p{margin:2px 0 0;color:var(--muted);font-size:13.5px}
.sugg .high{border-left-color:var(--high)}.sugg .medium{border-left-color:var(--med)}.sugg .info{border-left-color:var(--line)}
.groups{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:14px}.tool{display:flex;flex-direction:column;gap:3px;margin:10px 0}.tool button{align-self:flex-start}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:14px;background:var(--ok-bg);color:var(--ok)}.flash.bad{background:var(--high-bg);color:var(--high)}
.result{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--ok);border-radius:9px;padding:12px 14px;margin:14px 0}.result.bad{border-left-color:var(--high)}
pre{white-space:pre-wrap;word-break:break-word;background:var(--bg);padding:10px;border-radius:7px;font-size:13px;max-height:420px;overflow:auto}
.scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13.5px}th,td{text-align:left;padding:6px 10px;border-bottom:1px solid var(--line);white-space:nowrap}th{color:var(--muted);font-weight:600;text-transform:capitalize}
code{font-size:12.5px}