:root{--bg:#0f1115;--card:#181b22;--line:#2a2f3a;--text:#e8eaf0;--muted:#8b93a7;--accent:#6c8cff;--ok:#3ecf8e;--err:#ff6b6b}
*{box-sizing:border-box}body{margin:0;font:15px/1.5 system-ui,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--accent);text-decoration:none}
nav{display:flex;justify-content:space-between;align-items:center;padding:14px 28px;border-bottom:1px solid var(--line)}
nav .brand{font-weight:700;font-size:18px;color:var(--text)}nav span{color:var(--muted);margin-right:14px}
main{max-width:920px;margin:32px auto;padding:0 20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px;margin-bottom:20px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}
h1,h2,h3{margin:0 0 12px}.muted{color:var(--muted)}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.between{justify-content:space-between}
.btn{display:inline-block;background:var(--accent);color:#fff;border:0;border-radius:8px;padding:9px 16px;font:inherit;cursor:pointer}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}.btn.danger{background:var(--err)}
.btn:disabled{opacity:.5;cursor:wait}
input,select,textarea{width:100%;background:#0f1115;border:1px solid var(--line);border-radius:8px;padding:9px 11px;color:var(--text);font:inherit}
label{display:block;margin:14px 0 5px;font-weight:600}.helptext,.errorlist{color:var(--muted);font-size:13px;margin:4px 0;padding:0;list-style:none}
.errorlist{color:var(--err)}
.msg{padding:10px 14px;border-radius:8px;margin-bottom:12px;background:#22304d}.msg.error{background:#4a2326}.msg.success{background:#1f3d31}.msg.warning{background:#4a3b1f}
.badge{font-size:12px;padding:2px 8px;border-radius:99px;background:#2a2f3a}.badge.ready{color:var(--ok)}.badge.error{color:var(--err)}
.chat{height:280px;overflow:auto;border:1px solid var(--line);border-radius:8px;padding:12px;margin-bottom:10px;background:#0f1115}
.bubble{padding:8px 12px;border-radius:10px;margin:6px 0;max-width:80%;white-space:pre-wrap}
.bubble.user{background:var(--accent);margin-left:auto}.bubble.assistant{background:#252a36}
.orb{width:12px;height:12px;border-radius:50%;background:var(--muted);display:inline-block}.orb.on{background:var(--ok)}
.auth{max-width:400px;margin:70px auto}