:root{color-scheme:dark;--bg1:#09111f;--bg2:#10192b;--panel:rgba(255,255,255,0.06);--panel-strong:rgba(255,255,255,0.1);--border:rgba(255,255,255,0.1);--text:#f8fafc;--muted:#94a3b8;--accent:#67e8f9;--user:#ffffff;--user-text:#0f172a;--assistant:rgba(15,23,42,0.88)}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:radial-gradient(circle at top left,rgba(34,211,238,.16),transparent 24%),radial-gradient(circle at top right,rgba(168,85,247,.18),transparent 26%),linear-gradient(180deg,var(--bg1),var(--bg2));color:var(--text);font-family:Arial,Helvetica,sans-serif}button,input,textarea{font:inherit}a{color:inherit}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-thumb{background:rgba(148,163,184,.35);border-radius:999px}