:root{--bg:#0b1220;--card:#121a2b;--text:#eaf0ff;--muted:#a7b0c5;--accent:#4aa8ff;--ok:#50e3a4;--warn:#ffd166;--err:#ff6b6b}*{box-sizing:border-box}body,html{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial}a{color:var(--accent);text-decoration:none}.header{max-width:1100px;margin:0 auto;padding:28px 20px;display:flex;gap:18px;align-items:center;justify-content:space-between}.brand{font-weight:800;font-size:28px;letter-spacing:.4px}.nav{display:flex;gap:12px;flex-wrap:wrap}.nav a{background:var(--card);padding:10px 14px;border-radius:10px;border:1px solid #1e2a44}.container{max-width:1100px;margin:0 auto;padding:24px}.hero{background:var(--card);border:1px solid #1e2a44;border-radius:14px;padding:24px}.h1{font-size:30px;font-weight:800;text-align:center;margin:0 0 14px}.choiceRow{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-bottom:14px}.btn{display:inline-block;padding:12px 16px;border-radius:10px;background:#1a2440;border:1px solid #2b3a5f;color:#fff}.card{background:var(--card);border:1px solid #1e2a44;border-radius:12px;padding:16px;margin-top:16px}label{display:block;margin:8px 0 6px;color:var(--muted)}input,select,textarea{width:100%;padding:10px;border-radius:8px;border:1px solid #2b3a5f;background:#0f1729;color:#fff}.grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}.notice{padding:10px 12px;border-radius:8px;background:#0c1f12;border:1px solid #194a32;color:#c6ffd8;margin:10px 0}.footer{opacity:.8;margin-top:18px;font-size:12px}.chat-bubble.assistant{background:#141a24;border:1px solid #2a3342;color:#e7ecf5;-webkit-user-select:text;-moz-user-select:text;user-select:text}.chat-bubble.user{background:#0e233d;border:1px solid #2b4a73;color:#eaf0fa}.chat-bubble ::selection{background:rgba(140,175,255,.25);color:#fff}.alert{margin-top:12px;padding:10px 12px;border-radius:10px}.alert.success{background:#0f3b25;border:1px solid #1b6b46;color:#d7ffed}.alert.warn{background:#3b2f0f;border:1px solid #6b5a1b;color:#fff2b5}.alert.error{background:#3b1717;border:1px solid #6b1b1b;color:#ffd4d4}.nav-chip{@apply rounded-md border border-white/10 bg-white/5 px-3 py-1 text-sm text-slate-200 hover:bg-white/10}