*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #6366f1;--color-primary-dark: #4f46e5;--color-primary-light: #eef2ff;--color-bg: #f8fafc;--color-surface: #ffffff;--color-border: #e2e8f0;--color-text: #0f172a;--color-text-secondary: #64748b;--color-text-muted: #94a3b8;--color-danger: #ef4444;--color-warning: #f59e0b;--color-success: #22c55e;--color-info: #3b82f6;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 12px rgba(0,0,0,.1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--color-bg);color:var(--color-text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}