*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #0078d4;--primary-hover: #106ebe;--text-primary: #323130;--text-secondary: #605e5c;--text-muted: #8a8886;--background: #f5f5f5;--surface: #ffffff;--border: #e1e1e1;--success: #107c10;--warning: #ffd335;--error: #d13438;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .12);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--transition: all .2s ease}[data-theme=dark]{--primary-color: #4da6ff;--primary-hover: #7dbfff;--text-primary: #f3f3f3;--text-secondary: #b3b3b3;--text-muted: #888888;--background: #1a1a1a;--surface: #2d2d2d;--border: #404040;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe 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