/* Поиск и фильтры */
.portfolio-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.search-box {
    display: flex;
    flex-grow: 1;
    max-width: 400px;
}

.search-box input {
    flex-grow: 1;
    padding: 12px 20px;
    border: 2px solid var(--light-color);
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    font-size: 16px;
    outline: none;
    transition: var(--transition);
}

.search-box input:focus {
    border-color: var(--accent-color);
}

.search-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0 25px;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--secondary-color);
}

.portfolio-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-btn {
    background: var(--light-color);
    color: var(--text-color);
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: white;
}

/* Сортировка */
.sort-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    background: white;
    padding: 15px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.sort-controls label {
    margin-right: 10px;
    font-weight: 600;
    color: var(--dark-color);
}

.sort-controls select {
    padding: 10px 15px;
    border: 2px solid var(--light-color);
    border-radius: var(--border-radius);
    font-size: 16px;
    outline: none;
    transition: var(--transition);
    background: white;
    min-width: 200px;
}

.sort-controls select:focus {
    border-color: var(--accent-color);
}

/* Галерея работ */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.work-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.work-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.work-image {
    height: 250px;
    position: relative;
    overflow: hidden;
}

.work-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.work-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.work-view {
    background: white;
    color: var(--primary-color);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 20px;
    transition: var(--transition);
}

.work-view:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.work-content {
    padding: 25px;
    display: flex;
    flex-direction: column;
    height: calc(100% - 250px);
}

.work-category {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.category-badge.student {
    background: #e3f2fd;
    color: #1565c0;
}

.category-badge.teacher {
    background: #f3e5f5;
    color: #7b1fa2;
}

.category-badge.digital {
    background: #e8f5e9;
    color: #2e7d32;
}

.category-badge.print {
    background: #fff8e1;
    color: #ff8f00;
}

.category-badge.3d {
    background: #fce4ec;
    color: #c2185b;
}

.work-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--dark-color);
    line-height: 1.4;
}

.work-author {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.work-description {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
    flex-grow: 1;
}

.work-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: auto;
}

.work-info {
    display: flex;
    gap: 15px;
    color: #999;
    font-size: 0.9rem;
    flex-wrap: wrap;
}

.work-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.work-btn {
    padding: 8px 16px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
    white-space: nowrap;
}

.work-btn.details {
    background: var(--light-color);
    color: var(--primary-color);
}

.work-btn.download,
.work-btn.preview {
    background: var(--primary-color);
    color: white;
}

.work-btn.details:hover {
    background: #d5d8f0;
}

.work-btn.download:hover,
.work-btn.preview:hover {
    background: var(--secondary-color);
}

/* Информация об использовании работ */
.usage-info {
    margin: 60px 0;
}

.usage-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
}

.usage-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.usage-card p {
    color: #666;
    margin-bottom: 25px;
    line-height: 1.6;
}

.usage-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.usage-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.usage-link:hover {
    color: var(--secondary-color);
    gap: 12px;
}

/* Предложение сотрудничества */
.collaboration-offer {
    margin: 60px 0;
}

.collaboration-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 40px;
    display: flex;
    gap: 30px;
    align-items: center;
    box-shadow: var(--shadow);
}

.collaboration-icon {
    font-size: 60px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.collaboration-content {
    flex-grow: 1;
}

.collaboration-content h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.collaboration-content p {
    color: #666;
    margin-bottom: 25px;
    line-height: 1.6;
}

.collaboration-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    white-space: nowrap;
}

.collaboration-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

/* Responsive для finished-works.html */
@media (max-width: 768px) {
    .portfolio-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        max-width: 100%;
    }
    
    .portfolio-filters {
        justify-content: center;
    }
    
    .sort-controls {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .sort-controls select {
        width: 100%;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .collaboration-card {
        flex-direction: column;
        text-align: center;
    }
    
    .collaboration-icon {
        margin-bottom: 20px;
    }
    
    .work-footer {
        flex-direction: column;
        align-items: stretch;
    }
    
    .work-actions {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .work-actions {
        flex-direction: column;
    }
    
    .work-btn {
        width: 100%;
        justify-content: center;
    }
    
    .usage-links {
        flex-direction: column;
    }
    
    .collaboration-btn {
        width: 100%;
        justify-content: center;
    }
}