:root{--bg:#f6f7f9;--surface:#fff;--text:#111827;--muted:#6b7280;--border:#e5e7eb;--accent:#b45309;--danger:#b91c1c;--ok:#047857;--warn-bg:#fffbeb;--warn-border:#f59e0b}@media (prefers-color-scheme:dark){:root{--bg:#0f1115;--surface:#181b21;--text:#e5e7eb;--muted:#9ca3af;--border:#2a2f38;--accent:#f59e0b;--warn-bg:#2a2110}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font:15px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}a{color:var(--accent)}main{max-width:1100px;margin:0 auto;padding:24px 16px 64px}.topbar{background:var(--surface);border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:12px 16px;display:flex}.topbar .logo{color:var(--text);font-weight:700;text-decoration:none}.topbar nav{flex-wrap:wrap;gap:16px;display:flex}.card{background:var(--surface);border:1px solid var(--border);border-radius:8px;margin-bottom:16px;padding:20px}.grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;display:grid}.narrow{max-width:420px;margin:40px auto}label{margin:12px 0 4px;font-weight:600;display:block}input,select,textarea{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text);font:inherit;border-radius:6px;padding:8px 10px}textarea{min-height:90px}input[type=checkbox]{width:auto}button,.button{background:var(--accent);color:#fff;font:inherit;cursor:pointer;border:0;border-radius:6px;padding:8px 14px;font-weight:600;text-decoration:none;display:inline-block}button.secondary{color:var(--text);border:1px solid var(--border);background:0 0}button.danger{background:var(--danger)}.row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.muted{color:var(--muted)}.error{color:var(--danger);font-weight:600}.ok{color:var(--ok);font-weight:600}.notice{background:var(--warn-bg);border:1px solid var(--warn-border);border-radius:6px;margin:12px 0;padding:12px}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:6px 8px}.table-wrap{overflow-x:auto}.stat{font-size:22px;font-weight:700}.unavailable{color:var(--muted);font-style:italic}.badge{border:1px solid var(--border);border-radius:999px;padding:1px 8px;font-size:12px;display:inline-block}.editor{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;display:grid}@media (max-width:800px){.editor{grid-template-columns:1fr}}iframe.preview{border:1px solid var(--border);background:#fff;border-radius:8px;width:100%;height:720px}iframe.preview.mobile{width:375px;max-width:100%}