/**
 * Invoice & Orders Management Styles
 * Standalone page styling for invoice generation and order management
 * @version 1.0.0
 */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    overflow: hidden;
}

/* Header */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.header h1 {
    font-size: 32px;
    margin-bottom: 8px;
    color: white;
}

.subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
}

.header-actions {
    display: flex;
    gap: 10px;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: #4caf50;
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: #45a049;
}

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

.btn-secondary:hover:not(:disabled) {
    background: #5a6268;
}

.btn-danger {
    background: #f44336;
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: #da190b;
}

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

.btn-success:hover:not(:disabled) {
    background: #218838;
}

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

.btn-icon {
    font-size: 16px;
}

/* Messages */
.error-message {
    background: #fee;
    color: #c33;
    padding: 15px 20px;
    margin: 20px;
    border-radius: 6px;
    border-left: 4px solid #f44336;
    display: none;
}

.error-message h3 {
    margin: 0 0 10px 0;
    color: inherit;
}

.error-message p {
    margin: 0 0 10px 0;
    color: inherit;
}

.error-message input {
    font-family: inherit;
}

.error-message button {
    font-family: inherit;
}

.success-message {
    background: #efe;
    color: #3c3;
    padding: 15px 20px;
    margin: 20px;
    border-radius: 6px;
    border-left: 4px solid #4caf50;
    display: none;
}

/* Filters Section */
.filters-section {
    padding: 20px 30px;
    background: #f8f9fa;
    border-bottom: 1px solid #e0e0e0;
}

.search-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.search-bar input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
}

.search-bar input:focus {
    outline: none;
    border-color: #667eea;
}

.filter-controls {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.filter-controls label {
    font-weight: 600;
    color: #333;
    font-size: 14px;
}

.filter-select {
    padding: 8px 12px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    background: white;
    cursor: pointer;
    transition: border-color 0.2s;
}

.filter-select:focus {
    outline: none;
    border-color: #667eea;
}

/* Loading */
.loading {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    gap: 20px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading p {
    color: #666;
    font-size: 16px;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: #666;
}

.empty-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    color: #ccc;
}

.empty-state h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #333;
}

.empty-state p {
    font-size: 16px;
    color: #666;
}

/* Orders Table */
.orders-table-wrapper {
    overflow-x: auto;
    margin: 20px 30px;
}

.orders-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.orders-table thead {
    background: #f8f9fa;
}

.orders-table th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: #333;
    border-bottom: 2px solid #e0e0e0;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.orders-table td {
    padding: 15px;
    border-bottom: 1px solid #f0f0f0;
    font-size: 14px;
}

.orders-table tbody tr:hover {
    background: #f8f9fa;
}

.orders-table tbody tr:last-child td {
    border-bottom: none;
}

/* Status Badge */
.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-pending {
    background: #ffc107;
    color: #333;
}

.status-paid {
    background: #4caf50;
    color: white;
}

.status-partially_paid {
    background: #ff9800;
    color: white;
}

.status-refunded {
    background: #9e9e9e;
    color: white;
}

.status-voided {
    background: #f44336;
    color: white;
}

.status-authorizing {
    background: #2196f3;
    color: white;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background: #f8f9fa;
    border-top: 1px solid #e0e0e0;
    flex-wrap: wrap;
    gap: 15px;
}

.pagination-info {
    color: #666;
    font-size: 14px;
}

.pagination-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

.page-number {
    padding: 8px 16px;
    color: #666;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .header-actions {
        width: 100%;
        justify-content: flex-end;
    }
    
    .filters-section {
        padding: 15px;
    }
    
    .search-bar {
        flex-direction: column;
    }
    
    .filter-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .orders-table-wrapper {
        margin: 10px;
    }
    
    .orders-table {
        font-size: 12px;
    }
    
    .orders-table th,
    .orders-table td {
        padding: 10px 8px;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .action-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    .pagination {
        flex-direction: column;
        align-items: stretch;
    }
    
    .pagination-controls {
        justify-content: center;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
        padding: 0;
    }
    
    .header,
    .filters-section,
    .pagination,
    .action-buttons,
    .btn {
        display: none;
    }
    
    .container {
        box-shadow: none;
        border-radius: 0;
    }
    
    .orders-table {
        font-size: 10px;
    }
}