:root{
  --bg:#f8fafc;--surface:#fff;--surface2:#f1f5f9;--ink:#0f172a;--muted:#334155;--line:#cbd5e1;
  --red:#c1121f;--red2:#9f1239;--blue:#2563eb;--teal:#0f766e;--amber:#a16207;--purple:#7c3aed;
  --shadow:0 18px 45px rgba(15,23,42,.12);--soft:0 10px 30px rgba(15,23,42,.08);--radius:26px;
}
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1rem));background:rgba(255,255,255,.96);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;padding:.4rem}.bottom a{text-align:center;text-decoration:none;font-weight:900;color:#334155;border-radius:16px;padding:.45rem .25rem}.bottom a[aria-current="page"]{background:#fff1f2;color:var(--red2)}.actions{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;text-decoration:none;font-weight:950;border-radius:999px;border:1px solid var(--red);background:var(--red);color:#fff;padding:.8rem 1rem}.btn.secondary{background:#fff;color:var(--ink);border-color:#94a3b8}.check{display:grid;gap:.65rem}.check label{display:flex;gap:.65rem;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:.8rem;font-weight:800}input,select,textarea{width:100%;padding:.8rem;border-radius:14px;border:1px solid #94a3b8;background:#fff;color:var(--ink);font:inherit}.formgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.75rem}.output{margin-top:1rem;background:#f8fafc;border:1px solid var(--line);border-radius:18px;padding:1rem}.calc-keys{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem}.calc-keys button{min-height:3.2rem;border:1px solid #94a3b8;border-radius:16px;background:#fff;font-size:1.2rem;font-weight:950}.calc-display{font-size:1.4rem;text-align:right;font-weight:900}.video-frame{aspect-ratio:16/9;border-radius:22px;border:1px solid #1f2937;background:#0b0d10;color:#fff;display:grid;place-items:center;text-align:center;padding:1rem;cursor:pointer;margin-top:1rem}iframe{width:100%;height:100%;border:0;border-radius:22px}.notice{font-size:.92rem;color:#475569;margin-top:1rem}.searchbar{display:grid;grid-template-columns:1fr;gap:.5rem;margin:1rem 0}.chips{display:flex;flex-wrap:wrap;gap:.5rem}.chip{border:1px solid #94a3b8;border-radius:999px;background:#fff;padding:.45rem .7rem;font-weight:800;color:var(--ink)}.chip[aria-pressed="true"]{background:#fff1f2;color:var(--red2);border-color:var(--red2)}.hidden{display:none!important}.scenario-card details{border-top:1px solid var(--line);margin-top:.75rem;padding-top:.75rem}.scenario-card summary{font-weight:950;cursor:pointer}.tag{display:inline-flex;border-radius:999px;background:#eef2ff;color:#1e3a8a;padding:.2rem .5rem;font-weight:800;font-size:.8rem;margin:.15rem}.zone-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(90px,1fr));gap:.5rem}.zone-strip button{min-height:48px;border-radius:14px;border:1px solid #94a3b8;font-weight:950}.red{background:#ef4444;color:white}.pink{background:#f9a8d4;color:#111827}.purple{background:#8b5cf6;color:white}.yellow{background:#facc15;color:#111827}.white{background:white;color:#111827}.blue{background:#3b82f6;color:white}.orange{background:#fb923c;color:#111827}.gray{background:#cbd5e1;color:#111827}.zonegreen{background:#22c55e;color:#062e16}
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@media(prefers-color-scheme:dark){:root{--bg:#080a0d;--surface:#111827;--surface2:#1f2937;--ink:#f8fafc;--muted:#dbe4ef;--line:#64748b}.navbar,.bottom{background:rgba(8,10,13,.94)}.navbar a,.navbar button,.card,.tile,.panel,input,select,textarea,.calc-keys button,.chip,.btn.secondary{background:#111827;color:#f8fafc}.output{background:#1f2937}.quick,.learn,.calcs,.rescue,.video,.decks,.green{background:#111827}.bottom a{color:#dbe4ef}}