:root{--bg:#f6f7f9;--card:#fff;--text:#1d2330;--muted:#6b7280;--accent:#1f3a5f;--on-accent:#fff;--ok:#15803d;--bad:#b91c1c;--border:#e5e7eb}
@media (prefers-color-scheme:dark){:root{--bg:#0f1115;--card:#171a21;--text:#e6e8ec;--muted:#9aa3b2;--accent:#8fb3e8;--on-accent:#0f1115;--border:#2a2f3a}}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text)}
header{position:sticky;top:0;background:var(--card);border-bottom:1px solid var(--border);z-index:1}
nav{display:flex;gap:4px;overflow-x:auto;padding:8px 12px;max-width:820px;margin:0 auto}
nav a{padding:6px 10px;border-radius:8px;color:var(--text);text-decoration:none;white-space:nowrap}
nav a.active{background:var(--accent);color:var(--on-accent)}
main{max-width:820px;margin:0 auto;padding:16px}
h1{font-size:1.3rem;margin:0 0 12px;overflow-wrap:anywhere}
h2{font-size:1.05rem;margin:22px 0 8px}
.card{display:block;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px 14px;margin-bottom:10px;color:inherit;text-decoration:none}
.row{display:flex;justify-content:space-between;gap:8px;align-items:flex-start}
.muted{color:var(--muted);font-size:.9rem}
.score{font-weight:700;min-width:2.4em;text-align:center;border-radius:8px;padding:2px 6px;background:var(--accent);color:var(--on-accent)}
.tag{display:inline-block;font-size:.8rem;padding:1px 8px;border-radius:999px;border:1px solid var(--border);margin:2px 4px 2px 0}
.flash{background:var(--card);border-left:4px solid var(--ok);padding:8px 12px;border-radius:6px}
.flash.error{border-left-color:var(--bad)}
.actions{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
button,.btn{font:inherit;padding:8px 14px;border-radius:8px;border:1px solid var(--border);background:var(--card);color:var(--text);cursor:pointer;text-decoration:none;display:inline-block}
button.primary,.btn.primary{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}
textarea,input,select{font:inherit;width:100%;padding:8px;border-radius:8px;border:1px solid var(--border);background:var(--card);color:var(--text)}
.actions select{width:auto;flex:1}
textarea.code{font-family:ui-monospace,Consolas,monospace;font-size:13px;min-height:60vh}
pre.desc{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px;font:inherit;font-size:.92rem}
table{width:100%;border-collapse:collapse;font-size:.85rem}
td,th{padding:6px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top;overflow-wrap:anywhere}
form.inline{display:inline}
.login{max-width:340px;margin:12vh auto}