/* Product Detail Professional Design */
:root {
    --primary-color: #1a237e;
    --dark-blue: #0d47a1;
    --light-blue: #e3f2fd;
    --accent-gold: #ffd700;
    --success-green: #28a745;
    --warning-orange: #ff9800;
    --danger-red: #dc3545;
    --text-dark: #2c3e50;
    --text-light: #6c757d;
    --white: #ffffff;
    --gray-50: #f8f9fa;
    --gray-100: #e9ecef;
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 25px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.15);
    --border-radius: 16px;
    --transition: all 0.3s ease;
}

/* Product Detail Section */
.product-detail-section {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    min-height: 100vh;
    padding: 2rem 0;
}

/* Breadcrumb Enhancement */
.breadcrumb {
    background: var(--white);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "\f105";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    color: var(--text-light);
}

.breadcrumb-item a {
    color: var(--primary-color);
    font-weight: 500;
    transition: var(--transition);
}

.breadcrumb-item a:hover {
    color: var(--dark-blue);
}

.breadcrumb-item.active {
    color: var(--text-dark);
    font-weight: 600;
}

/* Admin Back Button */
.admin-back-button .btn {
    background: linear-gradient(135deg, var(--text-light), #5a6c7d);
    border: none;
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.admin-back-button .btn:hover {
    background: linear-gradient(135deg, #495057, var(--text-light));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Product Image Card */
.product-image-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    position: relative;
    overflow: hidden;
}

.product-image-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-gold), var(--primary-color));
}

.product-main-image {
    width: 100%;
    height: 400px;
    object-fit: contain;
    border-radius: 12px;
    transition: var(--transition);
}

.product-main-image:hover {
    transform: scale(1.02);
}

.no-image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 400px;
    background: linear-gradient(135deg, var(--gray-50), var(--gray-100));
    border-radius: 12px;
    color: var(--text-light);
}

.no-image-placeholder i {
    font-size: 4rem;
    opacity: 0.5;
}

/* Product Info Card */
.product-info-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    height: fit-content;
}

.product-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

/* Product Badges */
.product-badges {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.badge {
    padding: 0.5rem 1rem;
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.bg-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--dark-blue)) !important;
    color: var(--white);
}

.bg-success {
    background: linear-gradient(135deg, var(--success-green), #20c997) !important;
    color: var(--white);
}

.bg-warning {
    background: linear-gradient(135deg, var(--accent-gold), #ffb300) !important;
    color: var(--text-dark);
}

/* Product Sections */
.product-section {
    margin-bottom: 2.5rem;
}

.product-section h5 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.product-section h5::before {
    content: '';
    width: 4px;
    height: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--dark-blue));
    border-radius: 2px;
}

.description p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-light);
}

/* Specifications Table */
.specifications .table {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
}

.specifications .table th {
    background: linear-gradient(135deg, var(--gray-50), var(--gray-100));
    color: var(--text-dark);
    font-weight: 600;
    border: none;
    padding: 1rem;
}

.specifications .table td {
    padding: 1rem;
    border: none;
    border-bottom: 1px solid var(--gray-100);
    color: var(--text-light);
}

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

/* Features List */
.features ul {
    list-style: none;
    padding: 0;
}

.features li {
    background: var(--gray-50);
    margin-bottom: 0.75rem;
    padding: 1rem 1.25rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.features li:hover {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transform: translateX(5px);
}

.features li i {
    color: var(--warning-orange);
    font-size: 1.1rem;
}

/* Certifications List */
.certifications ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    list-style: none;
    padding: 0;
}

.certifications li {
    background: var(--white);
    padding: 1.25rem;
    border-radius: 12px;
    border: 2px solid var(--gray-100);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
}

.certifications li:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.certifications li i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

/* Contact Button */
.btn-contact {
    background: linear-gradient(135deg, var(--primary-color), var(--dark-blue));
    border: none;
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-contact:hover {
    background: linear-gradient(135deg, var(--dark-blue), #1565c0);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

.btn-contact i {
    font-size: 1.2rem;
    transition: var(--transition);
}

.btn-contact:hover i {
    transform: translateX(3px);
}

/* Related Products Section */
.related-products {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-top: 3rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
}

.related-products h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.related-products h3::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-gold));
    border-radius: 2px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .product-detail-section {
        padding: 1rem 0;
    }
    
    .product-title {
        font-size: 1.8rem;
    }
    
    .product-info-card {
        padding: 1.5rem;
        margin-top: 1.5rem;
    }
    
    .product-main-image {
        height: 300px;
    }
    
    .certifications ul {
        grid-template-columns: 1fr;
    }
    
    .product-badges {
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .breadcrumb {
        padding: 0.75rem 1rem;
    }
    
    .product-title {
        font-size: 1.5rem;
    }
    
    .product-info-card {
        padding: 1rem;
    }
    
    .product-main-image {
        height: 250px;
    }
}