:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--bg-color: #f8fafc;--text-color: #1e293b;--card-bg: #ffffff;--border-color: #e2e8f0;--danger-color: #ef4444;--success-color: #22c55e;--font-family: "Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-color);line-height:1.5;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;font-family:inherit}input,select,textarea{font-family:inherit}