*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #191918;--bg-secondary: #1e1e1c;--bg-tertiary: #282826;--bg-hover: #32322f;--user-bubble: #2d2d2a;--text-primary: #e8e6e1;--text-secondary: #9c9a93;--text-muted: #6b6963;--accent: #7c9cff;--accent-hover: #9db5ff;--border: #373632;--danger: #f87171;--radius: 12px;--radius-sm: 8px;--sidebar-width: 260px;--code-bg: #121211;--font: "Inter", system-ui, -apple-system, sans-serif}[data-theme=light]{--bg-primary: #faf8f5;--bg-secondary: #f1ede7;--bg-tertiary: #e3ded6;--bg-hover: #d8d2c8;--user-bubble: #e0dbd2;--text-primary: #1c1a17;--text-secondary: #5c5549;--text-muted: #91887a;--accent: #5a6fd6;--accent-hover: #4b5ec7;--border: #cfc9bc;--danger: #ef4444;--code-bg: #eeebe4}html,body,#app{height:100%;width:100%;overflow:hidden}body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}button{font-family:var(--font);cursor:pointer;border:none;outline:none;background:none;color:var(--text-primary)}input,textarea{font-family:var(--font);background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);padding:10px 14px;font-size:15px;outline:none;transition:border-color .2s}input:focus,textarea:focus{border-color:var(--accent)}input::placeholder,textarea::placeholder{color:var(--text-muted)}::-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)}pre{background:var(--code-bg, #0d1117);border-radius:var(--radius-sm);padding:16px;overflow-x:auto;margin:12px 0;font-size:13px;line-height:1.5}code{font-family:JetBrains Mono,Fira Code,Consolas,monospace;font-size:13px}p code{background:var(--bg-tertiary);padding:2px 6px;border-radius:4px;font-size:.9em}@media(max-width:768px){:root{--sidebar-width: 280px}pre{padding:12px;font-size:12px}}