:root{--color-primary:#1a3a5c;--color-primary-light:#2a5a8c;--color-primary-dark:#0a2a4c;--color-warning:#f5a623;--color-warning-light:#f7b84a;--color-success:#28a745;--color-danger:#dc3545;--color-info:#17a2b8;--color-bg:#f4f6f9;--color-bg-card:#fff;--color-border:#dee2e6;--color-text:#333;--color-text-secondary:#6c757d;--color-text-muted:#adb5bd;--sidebar-width:240px;--topbar-height:60px;--radius:8px;--shadow:0 2px 8px rgba(0,0,0,.1);--shadow-lg:0 4px 20px rgba(0,0,0,.15)}*{box-sizing:border-box;margin:0;padding:0}body,html{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background-color:var(--color-bg);color:var(--color-text);font-size:14px;line-height:1.6}a{color:var(--color-primary);text-decoration:none}a:hover{color:var(--color-primary-light)}button{cursor:pointer;border:none;outline:none}button,input,select,textarea{font-family:inherit;font-size:inherit}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-weight:500;transition:all .2s;border:1px solid transparent}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-light)}.btn-secondary{background-color:#e9ecef;color:var(--color-text)}.btn-secondary:hover{background-color:#dee2e6}.btn-danger{background-color:var(--color-danger);color:#fff}.btn-danger:hover{background-color:#c82333}.btn-success{background-color:var(--color-success);color:#fff}.btn-success:hover{background-color:#218838}.btn-warning{background-color:var(--color-warning);color:#fff}.btn-warning:hover{background-color:#e09510}.btn-outline{background-color:transparent;border-color:var(--color-border);color:var(--color-text)}.btn-outline:hover{background-color:var(--color-bg)}.btn-sm{padding:4px 10px;font-size:12px}.btn-lg{padding:12px 24px;font-size:16px}.card{background:var(--color-bg-card);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.card-title{font-size:16px;font-weight:600;color:var(--color-text);padding-bottom:12px;border-bottom:1px solid var(--color-border)}.card-title,.form-group{margin-bottom:16px}.form-label{display:block;margin-bottom:6px;font-weight:500;color:var(--color-text)}.form-control{width:100%;padding:8px 12px;border:1px solid var(--color-border);border-radius:var(--radius);background-color:#fff;transition:border-color .2s}.form-control:focus{outline:none;border-color:var(--color-primary)}.form-control[readonly]{background-color:var(--color-bg);color:var(--color-text-secondary)}select.form-control{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236c757d' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;padding-right:30px}.table-wrapper{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}th{background-color:#f8f9fa;text-align:left;font-weight:600;color:var(--color-text-secondary);border-bottom:2px solid var(--color-border);white-space:nowrap}td,th{padding:10px 14px}td{border-bottom:1px solid var(--color-border);color:var(--color-text)}tr:hover{background-color:#f8f9fa}.badge{display:inline-block;padding:3px 8px;border-radius:4px;font-size:12px;font-weight:500;white-space:nowrap}.badge-pending{background:#fff3cd;color:#856404}.badge-approved{background:#cce5ff;color:#004085}.badge-shipped{background:#d1ecf1;color:#0c5460}.badge-in_transit{background:#d4edda;color:#155724}.badge-arrived{background:#e2e3e5;color:#383d41}.badge-customs_cleared{background:#e8daef;color:#6c3483}.badge-received{background:#d1e7dd;color:#0f5132}.badge-packing{background:#fff3cd;color:#856404}.badge-departed{background:#cce5ff;color:#004085}.badge-cleared,.badge-delivered{background:#d1e7dd;color:#0f5132}.badge-active{background:#d4edda;color:#155724}.badge-inactive{background:#e2e3e5;color:#383d41}.badge-success{background:#d4edda;color:#155724}.badge-danger{background:#f8d7da;color:#721c24}.badge-warning{background:#fff3cd;color:#856404}.badge-info{background:#d1ecf1;color:#0c5460}.badge-primary{background:#cfe2ff;color:#084298}.page-header{margin-bottom:24px}.page-title{font-size:22px;font-weight:700;color:var(--color-primary)}.page-subtitle{font-size:14px;color:var(--color-text-secondary);margin-top:4px}.flex{display:flex}.flex-between{justify-content:space-between}.flex-between,.flex-center{display:flex;align-items:center}.flex-center{justify-content:center}.flex-gap{gap:12px}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}.p-2{padding:16px}.p-3{padding:24px}.text-center{text-align:center}.text-right{text-align:right}.text-muted{color:var(--color-text-secondary)}.text-danger{color:var(--color-danger)}.text-success{color:var(--color-success)}.grid{display:grid;grid-gap:16px;gap:16px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (max-width:768px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.stat-card{background:var(--color-bg-card);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.stat-label{font-size:13px;color:var(--color-text-secondary);margin-bottom:6px}.stat-value{font-size:26px;font-weight:700;color:var(--color-primary)}.empty-state{text-align:center;padding:48px 24px;color:var(--color-text-secondary)}.empty-state-icon{font-size:48px;margin-bottom:16px}.alert{padding:12px 16px;border-radius:var(--radius);margin-bottom:16px}.alert-danger{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.alert-success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.alert-warning{background:#fff3cd;color:#856404;border:1px solid #ffeeba}.alert-info{background:#d1ecf1;color:#0c5460;border:1px solid #bee5eb}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:var(--color-bg-card);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:24px;max-width:600px;width:90%;max-height:90vh;overflow-y:auto}.modal-title{font-size:18px;font-weight:600;margin-bottom:16px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:24px}.loading{display:flex;align-items:center;justify-content:center;padding:48px;color:var(--color-text-secondary)}.spinner{width:32px;height:32px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite;margin-right:12px}@keyframes spin{to{transform:rotate(1turn)}}