:root[data-theme=dark]{--bg-primary:#0d1117;--bg-secondary:#161b22;--bg-tertiary:#1c2128;--bg-elevated:#21262d;--bg-chat:#0d1117;--text-primary:#e6edf3;--text-secondary:#8b949e;--text-muted:#484f58;--accent-primary:#58a6ff;--accent-success:#3fb950;--accent-warning:#d29922;--accent-danger:#f85149;--msg-own:#161b22;--msg-other:transparent;--msg-selected:#1c2128;--border-primary:#30363d;--border-active:#58a6ff}:root[data-theme=light]{--bg-primary:#fff;--bg-secondary:#f6f8fa;--bg-tertiary:#eaeef2;--bg-elevated:#fff;--bg-chat:#fff;--text-primary:#1f2328;--text-secondary:#656d76;--text-muted:#8b949e;--accent-primary:#0969da;--accent-success:#1a7f37;--accent-warning:#9a6700;--accent-danger:#cf222e;--msg-own:#ddf4ff;--msg-other:transparent;--msg-selected:#eaeef2;--border-primary:#d1d9e0;--border-active:#0969da}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#app{width:100%;height:100%;overflow:hidden}body{color:var(--text-primary);background:var(--bg-primary);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;font-size:14px;line-height:1.5}code,pre{font-family:ui-monospace,SF Mono,Cascadia Mono,Fira Code,monospace}a{color:var(--accent-primary);text-decoration:none}input,textarea,button{font:inherit;color:inherit}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-primary);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.flex{display:flex}.flex-col{flex-direction:column}.flex-1{flex:1}.items-center{align-items:center}.justify-center{justify-content:center}.gap-sm{gap:8px}.gap-md{gap:16px}