:root{--bg:#071827;--card:#0f2a3f;--sky:#38bdf8;--sky2:#0ea5e9;--text:#eaf7ff;--muted:#9fc3d5;--danger:#fb7185}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,Arial;background:radial-gradient(circle at top,#134e7a,var(--bg));color:var(--text)}a{color:inherit;text-decoration:none}.nav{display:flex;justify-content:space-between;align-items:center;padding:18px 7%;background:rgba(7,24,39,.75);backdrop-filter:blur(12px);position:sticky;top:0}.brand{font-weight:800;font-size:24px;color:#7dd3fc}.menu a{margin-left:18px;color:var(--muted)}.wrap{width:min(1100px,92%);margin:38px auto}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}.card{background:rgba(15,42,63,.86);border:1px solid rgba(125,211,252,.18);border-radius:22px;padding:24px;box-shadow:0 20px 70px rgba(0,0,0,.25)}h1{font-size:42px;line-height:1.1;margin:10px 0}h2{margin-top:0}.muted{color:var(--muted)}input,textarea{width:100%;padding:13px 14px;border:1px solid #256b93;background:#071827;color:var(--text);border-radius:14px;margin:8px 0 14px}button,.btn{border:0;background:linear-gradient(135deg,var(--sky),var(--sky2));color:#001827;padding:12px 18px;border-radius:14px;font-weight:800;cursor:pointer;display:inline-block}.danger{color:var(--danger)}.chat{height:360px;overflow:auto}.msg{padding:12px;border-radius:16px;background:#0a2134;margin-bottom:10px}.avatar{width:72px;height:72px;border-radius:50%;object-fit:cover;border:3px solid var(--sky)}.pill{display:inline-block;padding:7px 12px;border-radius:999px;background:#075985;color:#e0f2fe}.hero{padding:55px 0}.notice{border-left:4px solid var(--sky);padding-left:14px;margin:14px 0}.small{font-size:13px}.table{width:100%;border-collapse:collapse}.table td,.table th{padding:12px;border-bottom:1px solid #244860;text-align:left}@media(max-width:650px){h1{font-size:32px}.nav{display:block}.menu a{display:inline-block;margin:10px 10px 0 0}}