/* Từ resources/views/pages/portfolio/index.blade.php */
.portfolio-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 80px 0;
    color: white;
    text-align: center;
}

.portfolio-hero h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 15px;
}

.portfolio-hero p {
    font-size: 20px;
    opacity: 0.9;
}

.portfolio-filters-section {
    padding: 30px 0;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border);
}

.filters-form {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.search-input, .category-select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
}

.search-input:focus, .category-select:focus {
    outline: none;
    border-color: var(--primary);
}

.portfolio-section {
    padding: 60px 0;
    background: var(--bg-light);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.portfolio-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}

.portfolio-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.portfolio-card.featured {
    border: 2px solid var(--primary);
}

.featured-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    z-index: 2;
}

.portfolio-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: var(--bg-light);
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

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

.placeholder-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    font-size: 64px;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-content {
    padding: 25px;
}

.portfolio-category {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.portfolio-content h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 12px;
    line-height: 1.3;
}

.portfolio-content p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 15px;
}

.portfolio-date {
    font-size: 13px;
    color: var(--text-light);
    font-style: italic;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.empty-state p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 25px;
}

.pagination-wrapper {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

@media (max-width: 768px) {
    .portfolio-hero h1 {
        font-size: 36px;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .filters-form {
        flex-direction: column;
    }
    
    .filter-group {
        width: 100%;
    }
}