/* Custom CSS for 3D CAD Model Viewer */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

/* Navigation */
.navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: box-shadow 0.15s ease-in-out;
}

.card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.card-img-top {
    transition: transform 0.3s ease;
}

.card:hover .card-img-top {
    transform: scale(1.05);
}

/* Model Cards */
.model-card {
    height: 100%;
    transition: transform 0.2s ease-in-out;
}

.model-card:hover {
    transform: translateY(-5px);
}

/* 3D Viewer */
.model-viewer {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 0.375rem;
    position: relative;
    overflow: hidden;
}

.model-viewer canvas {
    border-radius: 0.375rem;
}

/* Loading Animation */
.loading-spinner {
    animation: spin 1s linear infinite;
}

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

/* Filter Sidebar */
.filter-card {
    position: sticky;
    top: 2rem;
}

/* Search Results */
.search-highlight {
    background-color: #fff3cd;
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
}

/* File Info */
.file-info {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-left: 4px solid var(--primary-color);
}

/* Specifications Table */
.spec-table th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: var(--dark-color);
    border-bottom: 2px solid #dee2e6;
}

.spec-table td {
    border-bottom: 1px solid #dee2e6;
    vertical-align: middle;
}

/* Buttons */
.btn {
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.2s ease-in-out;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.15);
}

/* Pagination */
.pagination .page-link {
    border-radius: 0.375rem;
    margin: 0 0.125rem;
    border: 1px solid #dee2e6;
    color: var(--primary-color);
}

.pagination .page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .model-viewer {
        height: 300px;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .btn-group .btn {
        border-radius: 0.375rem !important;
        margin-bottom: 0.25rem;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
        color: #ffffff;
    }
    
    .card {
        background-color: #2d2d2d;
        color: #ffffff;
    }
    
    .navbar-dark {
        background-color: #1a1a1a !important;
    }
    
    .bg-light {
        background-color: #2d2d2d !important;
    }
    
    .text-muted {
        color: #adb5bd !important;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

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

.slide-in {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Print Styles */
@media print {
    .navbar,
    .btn,
    .pagination,
    .card-header {
        display: none !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #000 !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}