:root{--bg-page: #f6f8fc;--bg-surface: #ffffff;--border: #e8eaed;--text: #202124;--text-secondary: #5f6368;--blue: #1a73e8;--blue-hover: #1557b0;--hover-row: #f1f3f4;--sidebar-w: 256px;--header-h: 64px;--rail-w: 56px;font-family:Roboto,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg-page);color:var(--text);font-size:14px}button{font:inherit;cursor:pointer}input,textarea{font:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#dadce0;border-radius:4px}