* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background: #1a1a1a;
    color: white;
    padding: 15px 0;
    margin-bottom: 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

header h1 {
    font-size: 24px;
    font-weight: 600;
}

nav {
    display: flex;
    gap: 20px;
    align-items: center;
}

nav a {
    color: #ccc;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    transition: all 0.2s;
}

nav a:hover {
    background: #333;
    color: white;
}

nav a.active {
    background: #0066cc;
    color: white;
}

.logout-btn {
    background: #dc3545;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 14px;
}

.logout-btn:hover {
    background: #c82333;
}

.card {
    background: white;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.card h2 {
    margin-bottom: 20px;
    font-size: 20px;
    color: #1a1a1a;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    text-align: center;
}

.stat-card .number {
    font-size: 36px;
    font-weight: 700;
    color: #0066cc;
    margin-bottom: 5px;
}

.stat-card .label {
    font-size: 14px;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

th {
    background: #f8f9fa;
    font-weight: 600;
    color: #495057;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tr:hover {
    background: #f8f9fa;
}

.btn {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.btn-primary {
    background: #0066cc;
    color: white;
}

.btn-primary:hover {
    background: #0052a3;
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-success:hover {
    background: #218838;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover {
    background: #c82333;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: #495057;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0066cc;
    box-shadow: 0 0 0 3px rgba(0,102,204,0.1);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.search-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.search-bar input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.filter-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filter-bar select,
.filter-bar input {
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-active {
    background: #d4edda;
    color: #155724;
}

.badge-inactive {
    background: #f8d7da;
    color: #721c24;
}

.badge-status {
    background: #d1ecf1;
    color: #0c5460;
}

.alert {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.login-container {
    max-width: 400px;
    margin: 100px auto;
}

.login-container .card {
    padding: 40px;
}

.login-container h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #1a1a1a;
}

.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #ddd;
}

.timeline-item {
    position: relative;
    padding-bottom: 20px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -24px;
    top: 5px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #0066cc;
    border: 2px solid white;
    box-shadow: 0 0 0 2px #0066cc;
}

.timeline-item .date {
    font-size: 12px;
    color: #666;
    margin-bottom: 4px;
}

.timeline-item .status {
    font-weight: 600;
    color: #1a1a1a;
}

.timeline-item .note {
    font-size: 14px;
    color: #666;
    margin-top: 4px;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #666;
}

.empty-state h3 {
    margin-bottom: 10px;
    color: #333;
}

.pagination {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 20px;
}

.pagination a,
.pagination span {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-decoration: none;
    color: #0066cc;
}

.pagination span.current {
    background: #0066cc;
    color: white;
    border-color: #0066cc;
}

.action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.detail-item {
    margin-bottom: 15px;
}

.detail-item label {
    display: block;
    font-size: 12px;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.detail-item .value {
    font-size: 16px;
    color: #1a1a1a;
    font-weight: 500;
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    nav {
        flex-direction: column;
        gap: 10px;
    }

    header .container {
        flex-direction: column;
        gap: 15px;
    }
}

.tracking-status-box {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    padding: 12px 16px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tracking-status-header {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.badge-tracking {
    background: #17a2b8;
    color: white;
}

.tracking-last-check {
    font-size: 13px;
    color: #666;
    font-style: italic;
}

.btn-tracking {
    background: #17a2b8;
    color: white;
    white-space: nowrap;
}

.btn-tracking:hover {
    background: #138496;
}

.btn-tracking:disabled {
    background: #6c757d;
    cursor: not-allowed;
}

/* Customer Autocomplete Dropdown */
.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.autocomplete-item {
    padding: 10px 14px;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
    font-size: 14px;
    transition: background 0.15s;
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover {
    background: #f0f7ff;
}