:root{--bg:#f5f6f8;--card:#fff;--ink:#1b2430;--mute:#5d6b7c;--line:#e1e5ea;--accent:#e8590c;--accent-ink:#fff}
@media (prefers-color-scheme:dark){:root{--bg:#12161c;--card:#1b222b;--ink:#e9edf2;--mute:#9aa7b6;--line:#2a333f}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif}
header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 24px;background:var(--card);border-bottom:1px solid var(--line)}
header b{font-size:17px}
.who{color:var(--mute);font-size:13px;display:flex;gap:14px;align-items:center;flex-wrap:wrap}
main{max-width:1000px;margin:0 auto;padding:32px 16px}
h1{margin:0 0 4px;font-size:24px}
.sub{color:var(--mute);margin:0 0 24px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.card{display:flex;flex-direction:column;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px;text-decoration:none;color:inherit}
.card:hover,.card:focus-visible{border-color:var(--accent);outline:none}
.card h2{margin:0;font-size:18px}
.card p{margin:0;color:var(--mute);flex:1}
.tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{font-size:12px;padding:2px 8px;border-radius:99px;border:1px solid var(--line);color:var(--mute)}
.open{color:var(--accent);font-weight:600}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);padding:11px 20px;border-radius:8px;text-decoration:none;font-weight:600}
a.link{color:var(--accent)}
.center{min-height:100vh;display:grid;place-items:center;padding:16px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:32px;max-width:380px;width:100%;text-align:center}
.panel h1{font-size:22px}
.err{background:#fdecea;color:#8a1c14;border-radius:8px;padding:10px 12px;margin:0 0 16px;font-size:14px}