:root{color-scheme:dark;--bg: #0f1419;--surface: #161e27;--surface2: #1c2630;--border: #2a3644;--text: #e7edf4;--muted: #8b9cb3;--accent: #3b82f6;--accent-dim: #2563eb;--user-bubble: #1e3a5f;--assistant-bubble: #1a222c;--danger: #f87171;--success: #4ade80;font-family:DM Sans,system-ui,sans-serif;line-height:1.5;font-weight:400;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh}#root{min-height:100vh}button,input,select,textarea{font:inherit}button{cursor:pointer}