:root{--font-google-sans:"Google Sans", "Google Sans Text", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-google-code:"Google Sans Code", "JetBrains Mono", Consolas, monospace;--bg-base:#fff;--bg-sidebar:#fff;--bg-surface:#f8fafc;--bg-surface-hover:#f1f5f9;--bg-surface-active:#eef2f6;--bg-input:#fff;--border-subtle:#eaecf0;--border-strong:#d0d5dd;--text-primary:#0f172a;--text-secondary:#475569;--text-tertiary:#94a3b8;--user-bubble-bg:#f2f4f7;--code-bg:#f8fafc;--code-header-bg:#f1f5f9;--code-text:#1e293b;--tooltip-bg:#0f172a;--tooltip-text:#fff;--shadow-color:#0f172a14;--startup-orange:#f58634;--startup-red:#ed3237;--assist-blue:#00afef;--startupassist-gradient:linear-gradient(105deg, #f58634 0%, #ed3237 32%, #00afef 70%, #f58634 100%);--accent-blue:#00afef;--pattern-color:#64748b}[data-theme=dark],html[data-theme=dark]{--bg-base:#111215;--bg-sidebar:#16171b;--bg-surface:#1e2025;--bg-surface-hover:#272a31;--bg-surface-active:#32353e;--bg-input:#1a1b20;--border-subtle:#272930;--border-strong:#3f424b;--text-primary:#f1f3f7;--text-secondary:#c2c6d0;--text-tertiary:#848894;--user-bubble-bg:#252830;--code-bg:#0d0e11;--code-header-bg:#15161a;--code-text:#e6edf3;--tooltip-bg:#25272e;--tooltip-text:#fff;--shadow-color:#00000073;--startup-orange:#f58634;--startup-red:#ed3237;--assist-blue:#00afef;--startupassist-gradient:linear-gradient(105deg, #f58634 0%, #ed3237 32%, #00afef 70%, #f58634 100%);--accent-blue:#00afef;--pattern-color:#64748b}*{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;font-family:var(--font-google-sans);background-color:var(--bg-base);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-subtle);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--border-strong)}button,input,textarea,select{font-family:inherit}a{color:inherit;text-decoration:none}