:root{--bg:#000;--header-bg:#0a0a0a;--header-border:#222;--input-bg:#111;--input-border:#333;--bubble-user:#1a3a5c;--bubble-assistant:#1a1a1a;--accent:#3478f6;--text-primary:#fff;--text-secondary:#888;--text-muted:#555;--text-faint:#333;--success:#30d158;--error:#ff453a;--incognito:#8e44ad}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg);height:100%;color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}::selection{background:var(--accent);color:var(--text-primary)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--text-faint);border-radius:3px}input,textarea{font-family:inherit}