:root{--color-bg-primary: #ffffff;--color-bg-secondary: #f8f9fa;--color-bg-tertiary: #f1f3f4;--color-text-primary: #202124;--color-text-secondary: #5f6368;--color-text-tertiary: #80868b;--color-border: #dadce0;--color-border-light: #e8eaed;--color-primary: #1a73e8;--color-primary-hover: #1557b0;--color-success: #1e8e3e;--color-warning: #f9ab00;--color-error: #d93025;--shadow-sm: 0 1px 2px rgba(60, 64, 67, .1);--shadow-md: 0 2px 6px rgba(60, 64, 67, .15);--shadow-lg: 0 4px 12px rgba(60, 64, 67, .2);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);font-size:14px;line-height:1.5;color:var(--color-text-primary);background-color:var(--color-bg-secondary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;cursor:pointer}#root{min-height:100vh}