*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f5f7fa;color:#333}.container{max-width:1400px;margin:0 auto;padding:20px}.card{background:#fff;border-radius:8px;padding:24px;box-shadow:0 1px 3px #0000001a;margin-bottom:20px}.card-header{font-size:20px;font-weight:600;margin-bottom:16px;color:#1a202c}.btn{padding:10px 20px;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:8px}.btn-primary{background:#3b82f6;color:#fff}.btn-primary:hover{background:#2563eb}.btn-secondary{background:#6b7280;color:#fff}.btn-secondary:hover{background:#4b5563}.btn-danger{background:#ef4444;color:#fff}.btn-danger:hover{background:#dc2626}.btn-success{background:#10b981;color:#fff}.btn-success:hover{background:#059669}.input{padding:10px 12px;border:1px solid #d1d5db;border-radius:6px;font-size:14px;width:100%;transition:border-color .2s}.input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.stat-card{background:#fff;border-radius:8px;padding:20px;box-shadow:0 1px 3px #0000001a}.stat-value{font-size:32px;font-weight:700;color:#1a202c;margin-bottom:4px}.stat-label{font-size:14px;color:#6b7280;font-weight:500}.badge{display:inline-block;padding:4px 12px;border-radius:12px;font-size:12px;font-weight:600;text-transform:uppercase}.badge-success{background:#d1fae5;color:#065f46}.badge-danger{background:#fee2e2;color:#991b1b}.badge-warning{background:#fef3c7;color:#92400e}.badge-info{background:#dbeafe;color:#1e40af}.loading{display:flex;justify-content:center;align-items:center;padding:40px;color:#6b7280}.nav-link{display:flex;align-items:center;gap:8px;padding:8px 16px;border-radius:6px;text-decoration:none;color:#374151;font-weight:500;transition:background .2s}.nav-link:hover{background:#f3f4f6}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}