/* Export Configuration Styles */
.export-config-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2rem 0;
}

/* Header Section */
.export-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    margin: 0 auto 2rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.header-content h1 {
    color: #2d3748;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-content h1 i {
    color: #48bb78;
    font-size: 2.2rem;
}

.header-content p {
    color: #718096;
    font-size: 1.1rem;
    margin-bottom: 0;
}

.header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* Applied Filters Section */
.applied-filters-section {
    max-width: 1200px;
    margin: 0 auto 2rem;
}

.filters-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.filters-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.filters-header h3 {
    color: #2d3748;
    font-size: 1.4rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.filters-header i {
    color: #4299e1;
}

.filters-display {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.filter-tag {
    background: linear-gradient(135deg, #4299e1, #3182ce);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 2px 8px rgba(66, 153, 225, 0.3);
}

/* Export Configuration Section */
.export-config-section {
    max-width: 1200px;
    margin: 0 auto;
}

.config-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.config-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.config-header h3 {
    color: #2d3748;
    font-size: 1.6rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.config-header i {
    color: #48bb78;
}

.config-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Columns Grid */
.columns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.column-item {
    background: linear-gradient(135deg, #f7fafc, #edf2f7);
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.column-item:hover {
    border-color: #4299e1;
    box-shadow: 0 4px 16px rgba(66, 153, 225, 0.15);
    transform: translateY(-2px);
}

.column-checkbox {
    margin-bottom: 1rem;
}

.column-checkbox input[type="checkbox"] {
    display: none;
}

.column-checkbox label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-weight: 600;
    color: #2d3748;
    font-size: 1.1rem;
    padding: 0.75rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.column-checkbox label i {
    width: 20px;
    height: 20px;
    border: 2px solid #cbd5e0;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: transparent;
    transition: all 0.3s ease;
}

.column-checkbox input[type="checkbox"]:checked + label {
    background: linear-gradient(135deg, #48bb78, #38a169);
    color: white;
}

.column-checkbox input[type="checkbox"]:checked + label i {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
}

.column-name-input {
    transition: all 0.3s ease;
}

.column-name-input label {
    display: block;
    font-weight: 500;
    color: #4a5568;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.column-name-input input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    background: white;
    transition: all 0.3s ease;
}

.column-name-input input:focus {
    outline: none;
    border-color: #4299e1;
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.1);
}

/* Preview Section */
.preview-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.preview-header h3 {
    color: #2d3748;
    font-size: 1.6rem;
    font-weight: 600;
    margin: 0 0 1.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.preview-header i {
    color: #ed8936;
}

.preview-table-container {
    overflow-x: auto;
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.preview-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    font-size: 0.9rem;
}

.preview-table th {
    background: linear-gradient(135deg, #4299e1, #3182ce);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid #2b6cb0;
    white-space: nowrap;
}

.preview-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #e2e8f0;
    color: #4a5568;
}

.preview-placeholder {
    text-align: center;
    padding: 3rem;
    color: #a0aec0;
    font-style: italic;
    font-size: 1.1rem;
}

/* Submit Section */
.submit-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.submit-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.submit-note {
    color: #718096;
    font-size: 0.95rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.submit-note i {
    color: #4299e1;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.btn-success {
    background: linear-gradient(135deg, #48bb78, #38a169);
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, #38a169, #2f855a);
}

.btn-secondary {
    background: linear-gradient(135deg, #a0aec0, #718096);
    color: white;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #718096, #4a5568);
}

.btn-outline {
    background: transparent;
    color: #4299e1;
    border: 2px solid #4299e1;
}

.btn-outline:hover {
    background: #4299e1;
    color: white;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .export-config-page {
        padding: 1rem;
    }
    
    .export-header {
        flex-direction: column;
        text-align: center;
    }
    
    .header-content h1 {
        font-size: 2rem;
    }
    
    .columns-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .config-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .config-actions {
        width: 100%;
        justify-content: center;
    }
    
    .config-card,
    .preview-section,
    .submit-section {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .filters-display {
        flex-direction: column;
    }
    
    .config-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .submit-actions {
        width: 100%;
    }
}

/* Instructions Card */
.instructions-card {
    background: linear-gradient(135deg, #e3f2fd, #f3e5f5);
    border: 2px solid #4fc3f7;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 12px rgba(79, 195, 247, 0.15);
}

.instructions-content h4 {
    color: #1565c0;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.instructions-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.instructions-content li {
    padding: 0.5rem 0;
    color: #424242;
    font-size: 0.95rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.instructions-content li::before {
    content: "✓";
    color: #4caf50;
    font-weight: bold;
    font-size: 1.1rem;
    margin-top: 0.1rem;
}

.instructions-content .highlight {
    background: linear-gradient(135deg, #ffeb3b, #ffc107);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
    color: #f57c00;
}

/* Columns Section */
.columns-section {
    margin-bottom: 2rem;
}

.columns-section h4 {
    color: #2d3748;
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Selected Columns Section */
.selected-columns-section {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border: 2px dashed #6c757d;
    border-radius: 12px;
    padding: 2rem;
    margin-top: 2rem;
    transition: all 0.3s ease;
}

.selected-columns-section.has-columns {
    border-color: #28a745;
    border-style: solid;
    background: linear-gradient(135deg, #f8fff8, #e8f5e8);
}

.selected-columns-section h4 {
    color: #495057;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.drag-hint {
    font-size: 0.85rem;
    color: #6c757d;
    font-weight: normal;
    font-style: italic;
}

/* Selected Columns List */
.selected-columns-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    min-height: 60px;
}

.selected-column-item {
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    padding: 1rem;
    cursor: move;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.selected-column-item:hover {
    border-color: #4299e1;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(66, 153, 225, 0.15);
}

.selected-column-item.sortable-drag {
    opacity: 0.8;
    transform: rotate(5deg);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    z-index: 1000;
}

.selected-column-item.sortable-ghost {
    opacity: 0.4;
    background: #f1f5f9;
}

.selected-column-item.sortable-chosen {
    border-color: #3b82f6;
    background: #eff6ff;
}

.selected-column-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.column-drag-handle {
    color: #9ca3af;
    font-size: 1.2rem;
    cursor: grab;
    padding: 0.5rem;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.column-drag-handle:hover {
    color: #4b5563;
    background: #f3f4f6;
}

.column-drag-handle:active {
    cursor: grabbing;
}

.selected-column-details {
    flex: 1;
}

.selected-column-name {
    font-weight: 600;
    color: #1f2937;
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.selected-column-export-name {
    font-size: 0.85rem;
    color: #6b7280;
    font-style: italic;
}

.column-order-number {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3);
}

/* Empty state for selected columns */
.selected-columns-empty {
    text-align: center;
    padding: 2rem;
    color: #6b7280;
    font-style: italic;
}

.selected-columns-empty i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #9ca3af;
}

/* Enhanced column items in grid */
.column-item.selected {
    border-color: #10b981;
    background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.15);
}

.column-item.selected .column-checkbox label {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

/* Responsive design for drag & drop */
@media (max-width: 768px) {
    .selected-columns-section {
        padding: 1rem;
    }
    
    .selected-column-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .selected-column-info {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .column-order-number {
        align-self: flex-end;
    }
    
    .drag-hint {
        display: none;
    }
}

/* Animation for smooth transitions */
.selected-columns-list .selected-column-item {
    animation: slideInUp 0.3s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Sortable.js additional styles */
.sortable-fallback {
    display: none;
}

/* Enhanced preview table to show column order */
.preview-table thead th {
    position: relative;
}

.preview-table thead th::before {
    content: attr(data-order);
    position: absolute;
    top: -8px;
    right: -8px;
    background: #4f46e5;
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Collapsible Sections */
.collapsible-content {
    max-height: 5000px;
    overflow: hidden;
    transition: max-height 0.5s ease-in-out, opacity 0.3s ease-in-out;
    opacity: 1;
}

.collapsible-content.collapsed {
    max-height: 0;
    opacity: 0;
}

.toggle-icon {
    transition: transform 0.3s ease;
    margin-left: 10px;
    font-size: 0.9em;
    color: #6c757d;
}

.toggle-icon.rotated {
    transform: rotate(-180deg);
}

.config-header[onclick],
.selected-columns-section h4[onclick] {
    transition: background-color 0.2s ease;
    border-radius: 8px;
    padding: 10px;
    margin: -10px;
    user-select: none;
}

.config-header[onclick]:hover,
.selected-columns-section h4[onclick]:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

.config-header h3 {
    display: flex;
    align-items: center;
    width: 100%;
    justify-content: space-between;
}

.selected-columns-section h4 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}