:root { --bg:#0f1117; --panel:#1a1d27; --btn:#2a2e3d; --accent:#5b6cff; --danger:#e5484d; --text:#e8e8ee; --muted:#8a8fa3; }
* { box-sizing:border-box; }
body { margin:0; min-height:100vh; background:var(--bg); color:var(--text); font-family:-apple-system, system-ui, sans-serif; }
body.center { display:flex; align-items:center; justify-content:center; padding:16px; }
.wrap { max-width:640px; margin:0 auto; padding:24px 16px; }
.card { background:var(--panel); border-radius:16px; padding:24px; width:100%; max-width:360px; display:flex; flex-direction:column; gap:12px; }
h1 { margin:0; font-size:24px; }
h2 { font-size:16px; color:var(--muted); font-weight:500; margin:24px 0 8px; }
.muted { color:var(--muted); margin:0; }
.err { color:var(--danger); margin:0; min-height:1em; }
input { background:var(--bg); color:var(--text); border:1px solid #ffffff22; border-radius:10px; padding:12px; font-size:16px; width:100%; }
button { background:var(--btn); color:var(--text); border:0; border-radius:10px; padding:10px 14px; font-size:15px; cursor:pointer; }
button.primary { background:var(--accent); }
button.danger { background:var(--danger); }
.row { display:flex; gap:8px; }
.row input { flex:1; }
.room { background:var(--panel); border-radius:12px; padding:14px; margin-bottom:10px; display:flex; flex-wrap:wrap; align-items:center; gap:8px; }
.room .name { flex:1; min-width:120px; font-size:17px; font-weight:600; }
.room .name small { color:#3dd68c; font-weight:400; font-size:13px; margin-left:6px; }
.top { display:flex; justify-content:space-between; align-items:center; }
a { color:inherit; text-decoration:none; }