:root{--primary-color: #2b579a;--primary-light: #e7f0fd;--secondary-color: #f8f9fa;--text-main: #333333;--text-muted: #666666;--bg-main: #f4f7f9;--bg-card: #ffffff;--border-color: #e0e0e0;--success-color: #28a745;--warning-color: #ffc107;--danger-color: #dc3545;--sidebar-width: 240px;--sidebar-bg: #ffffff;--topbar-height: 70px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 12px 24px rgba(0, 0, 0, .12);--shadow-hover: 0 20px 40px rgba(0, 0, 0, .16);--transition-base: all .3s cubic-bezier(.4, 0, .2, 1);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;font-size:14px;color:var(--text-main);background-color:var(--bg-main);line-height:1.5}a{text-decoration:none;color:inherit}ul{list-style:none}button{cursor:pointer;border:none;background:none;font-family:inherit}input{font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 20px}.flex{display:flex}.flex-center{display:flex;align-items:center;justify-content:center}.align-center{display:flex;align-items:center}.justify-between{display:flex;justify-content:space-between}.gap-2{gap:8px}.gap-4{gap:16px}.p-4{padding:16px}.m-4{margin:16px}.card{background-color:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:24px;border:1px solid var(--border-color);transition:var(--transition-base)}.btn{padding:8px 16px;border-radius:var(--radius-sm);font-weight:500;transition:all .2s}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:#1e3e6d}.badge{padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600}.badge-success{background-color:#d4edda;color:#155724}.badge-warning{background-color:#fff3cd;color:#856404}.badge-danger{background-color:#f8d7da;color:#721c24}