/* ===== Product Detail Page ===== */
.product-detail-page {
    padding-top: 120px;
    padding-bottom: 80px;
    background: var(--gray-50);
    min-height: calc(100vh - 80px);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--gray-600);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb .sep {
    color: var(--gray-400);
}

.breadcrumb .current {
    color: var(--primary);
    font-weight: 500;
}

.detail-grid {
    display: grid;
    grid-template-columns: 420px 1fr;
    gap: 48px;
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    margin-bottom: 32px;
}

.detail-media {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.detail-image-wrap {
    background: linear-gradient(135deg, var(--primary-lightest), var(--gray-50));
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 320px;
}

.detail-image {
    width: 100%;
    height: auto;
    max-height: 380px;
    object-fit: contain;
    padding: 24px;
}

.detail-image-icon {
    width: 200px;
    height: 200px;
    color: var(--primary);
    opacity: 0.8;
}

.detail-brand-tag {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.brand-badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    color: var(--white);
}

.brand-badge.brand-库恩 {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.brand-badge.brand-dytran {
    background: linear-gradient(135deg, #2563eb, #1e40af);
}

.model-code {
    font-size: 13px;
    color: var(--gray-500);
    font-family: var(--font-mono, monospace);
}

.detail-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.detail-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.3;
}

.detail-subtitle {
    font-size: 18px;
    color: var(--primary);
    font-weight: 500;
    font-family: var(--font-mono, monospace);
}

.detail-desc {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-top: 8px;
}

.detail-actions {
    display: flex;
    gap: 16px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.detail-sections {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.detail-section {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.detail-section:first-child {
    grid-column: span 2;
}

.detail-section-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-lightest);
}

.detail-specs-table {
    width: 100%;
    border-collapse: collapse;
}

.detail-specs-table th,
.detail-specs-table td {
    padding: 14px 18px;
    text-align: left;
    font-size: 14px;
    border-bottom: 1px solid var(--gray-100);
}

.detail-specs-table th {
    width: 220px;
    color: var(--gray-500);
    font-weight: 500;
    background: var(--gray-50);
}

.detail-specs-table td {
    color: var(--dark);
    font-weight: 500;
}

.detail-specs-table tr:last-child th,
.detail-specs-table tr:last-child td {
    border-bottom: none;
}

.detail-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.detail-list li {
    position: relative;
    padding-left: 22px;
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
}

.detail-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 8px;
    height: 8px;
    background: var(--primary-light);
    border-radius: 50%;
}

/* Detail link on product cards */
.product-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.product-card-link:hover {
    gap: 10px;
    color: var(--primary-dark);
}

.product-card-link::after {
    content: '→';
    transition: var(--transition);
}

@media (max-width: 992px) {
    .detail-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 28px;
    }

    .detail-image-wrap {
        min-height: 260px;
    }

    .detail-sections {
        grid-template-columns: 1fr;
    }

    .detail-section:first-child {
        grid-column: span 1;
    }

    .detail-specs-table th {
        width: 140px;
    }
}

@media (max-width: 768px) {
    .product-detail-page {
        padding-top: 100px;
        padding-bottom: 60px;
    }

    .detail-title {
        font-size: 24px;
    }

    .detail-actions {
        flex-direction: column;
    }

    .detail-actions .btn {
        width: 100%;
        text-align: center;
    }

    .detail-specs-table th,
    .detail-specs-table td {
        padding: 12px;
        font-size: 13px;
    }
}