:root{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-tertiary: #1a1a2e;--text-primary: #e0e0e8;--text-secondary: #8888a0;--text-muted: #555570;--accent: #6366f1;--accent-dim: #4f46e5;--accent-glow: rgba(99, 102, 241, .15);--border: #1e1e30;--user-bg: #1a1a2e;--bot-bg: #0f0f1a;--error: #ef4444;--radius: 12px;--font-mono: "SF Mono", "Fira Code", "JetBrains Mono", monospace;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;background:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}::selection{background:var(--accent);color:#fff}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}