:root{--bg:#0f172a;--card:#ffffff;--ink:#1e293b;--muted:#64748b;--accent:#2563eb;--green:#16a34a;--amber:#d97706;--line:#e2e8f0}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:#f8fafc;color:var(--ink);line-height:1.65}
a{color:var(--accent)}header{background:var(--bg);color:#fff;padding:18px 20px}.wrap{max-width:860px;margin:0 auto;padding:0 20px}
.brand{font-size:24px;font-weight:800;letter-spacing:-.02em}.brand a{color:#fff;text-decoration:none}.tag{color:#cbd5e1;font-size:14px;margin-top:2px}
nav{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px 16px}nav a{color:#e2e8f0;text-decoration:none;font-size:15px}nav a:hover{text-decoration:underline}
main{padding:28px 0 48px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;margin:0 0 18px}
h1{font-size:32px;line-height:1.2;margin:0 0 10px;letter-spacing:-.02em}h2{font-size:22px;margin:26px 0 8px}h3{font-size:18px;margin:20px 0 6px}
p{margin:8px 0}ul,ol{margin:8px 0 8px 22px;padding:0}li{margin:5px 0}.muted{color:var(--muted);font-size:14px}
.badge{display:inline-block;background:#dcfce7;color:#166534;border-radius:999px;padding:3px 10px;font-size:13px;font-weight:700}
.badge-amber{background:#fef3c7;color:#92400e}.badge-grey{background:#f1f5f9;color:#475569}
table{width:100%;border-collapse:collapse;margin:12px 0;font-size:15px}th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#f8fafc}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#f1f5f9;padding:2px 6px;border-radius:6px;word-break:break-all}
.copybtn{white-space:nowrap;background:var(--accent);color:#fff;border:0;border-radius:8px;padding:7px 12px;font-size:14px;cursor:pointer}
.copybtn:active{background:#1d4ed8}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.gamecard h2{margin-top:0}.note{background:#eff6ff;border:1px solid #bfdbfe;border-radius:10px;padding:14px 16px;margin:14px 0}
.warn{background:#fffbeb;border:1px solid #fde68a;border-radius:10px;padding:14px 16px;margin:14px 0}
footer{background:var(--bg);color:#cbd5e1;padding:26px 20px;font-size:14px}footer a{color:#e2e8f0}
@media(max-width:560px){h1{font-size:27px}.card{padding:18px}table{font-size:14px}.copybtn{padding:7px 9px}}