:root{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-tertiary: #eef0f2;--text-primary: #1a1a1a;--text-secondary: #5f6368;--text-muted: #9aa0a6;--border: #e0e2e5;--accent: #1a73e8;--accent-hover: #1557b0;--success: #137333;--success-bg: #e6f4ea;--danger: #d93025;color-scheme:light}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg-secondary);color:var(--text-primary)}button{font-family:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}