:root{--bg:#fff;--fg:#0b1020;--muted:#4b5563;--card:#f7faff;--accent:#0f62fe;--border:#d7e0ee;--ok:#166534;--err:#b91c1c}
[data-theme="dark"]{--bg:#0b0f1a;--fg:#e8eefc;--muted:#94a3b8;--card:#101827;--accent:#5b9cff;--border:#1f2937;--ok:#86efac;--err:#fecaca}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,Segoe UI,Roboto,Arial}
.site-header{display:flex;gap:1rem;align-items:center;justify-content:space-between;padding:1rem 1.25rem;background:linear-gradient(90deg,#eaf2ff,#ffffff)}
[data-theme="dark"] .site-header{background:#0a152b}
.site-header h1{margin:0;font-size:1.1rem;letter-spacing:.3px}
.container{max-width:1120px;margin:2rem auto;padding:0 1rem}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:1rem 1.25rem;box-shadow:0 10px 30px rgba(0,0,0,.06)}
label{display:block;margin:.5rem 0 .25rem;font-weight:600}
select,textarea{width:100%;padding:.75rem;border-radius:12px;border:1px solid var(--border);background:#fff;color:var(--fg)}
[data-theme="dark"] select,[data-theme="dark"] textarea{background:#0b1324;border-color:#233047;color:var(--fg)}
textarea{min-height:120px;resize:vertical}
.row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.actions{margin-top:1rem;display:flex;gap:.75rem;align-items:center;flex-wrap:wrap}
.btn{background:var(--accent);border:0;color:white;padding:.75rem 1rem;border-radius:12px;font-weight:700;cursor:pointer}
.btn.secondary{background:transparent;color:var(--fg);border:1px solid var(--border)}
.btn[disabled]{opacity:.6;cursor:not-allowed}
.muted{color:var(--muted)}
.answer{white-space:pre-wrap;background:#fff;border:1px solid var(--border);border-radius:12px;padding:1rem;margin-top:1rem;min-height:80px}
[data-theme="dark"] .answer{background:#0a1222;border-color:#233047}
.status{min-height:1.3rem}
.badge{display:inline-block;background:#eef2ff;border:1px solid var(--border);padding:.25rem .5rem;border-radius:999px;font-size:.8rem}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin:.5rem 0 1rem}
.role-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:.75rem;cursor:pointer;display:flex;gap:.5rem;align-items:center;transition:transform .06s ease, box-shadow .06s ease}
.role-card:hover{transform:translateY(-2px); box-shadow:0 6px 18px rgba(0,0,0,.06)}
[data-theme="dark"] .role-card{background:#0b1324;border-color:#233047}
.role-card svg{width:28px;height:28px}
.role-card .title{font-weight:600}
.role-card[aria-pressed="true"]{outline:2px solid var(--accent);outline-offset:2px}
.callout{border-left:4px solid var(--accent);background:#eef5ff;color:var(--fg);padding:.75rem;border-radius:8px;margin:.5rem 0}
[data-theme="dark"] .callout{background:#0c162a}
.hidden{display:none}
.err{color:var(--err)} .ok{color:var(--ok)}
nav a,button.link{color:var(--fg);text-decoration:none;opacity:.9;margin-left:.75rem;font-size:.95rem}