.catalog-main {
    margin-top: 80px;
}

.catalog-hero {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.catalog-hero h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.catalog-hero p {
    font-size: 1.3rem;
    opacity: 0.9;
}

.catalog-section {
    padding: 60px 0 100px;
}

.catalog-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
}

.catalog-filters {
    background: var(--light);
    padding: 30px;
    border-radius: 20px;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.catalog-filters h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--primary);
}

.filter-group {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border);
}

.filter-group:last-of-type {
    border-bottom: none;
}

.filter-group h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--secondary);
}

.filter-option {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    cursor: pointer;
    user-select: none;
}

.filter-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent);
}

.filter-option span {
    color: var(--text);
}

.catalog-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--light);
    border-radius: 15px;
}

.results-count {
    font-weight: 600;
    color: var(--text);
}

.sort-select {
    padding: 10px 20px;
    border: 2px solid var(--border);
    border-radius: 25px;
    background: var(--white);
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
}

.sort-select:focus {
    outline: none;
    border-color: var(--accent);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 20px var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px var(--shadow);
}

.product-image {
    height: 280px;
    overflow: hidden;
    position: relative;
    background: var(--light);
}

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

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent);
    color: var(--white);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.product-info {
    padding: 25px;
}

.product-brand {
    font-size: 0.85rem;
    color: var(--secondary);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.product-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 10px;
}

.product-description {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.6;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 15px;
}

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

.btn-add-cart {
    flex: 1;
    padding: 12px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Noto Sans JP', sans-serif;
}

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

.btn-view-details {
    padding: 12px 20px;
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Noto Sans JP', sans-serif;
}

.btn-view-details:hover {
    background: var(--primary);
    color: var(--white);
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    padding: 20px;
    overflow-y: auto;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--white);
    border-radius: 30px;
    max-width: 900px;
    width: 100%;
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--light);
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
}

.modal-close:hover {
    background: var(--accent);
    color: var(--white);
    transform: rotate(90deg);
}

.modal-body {
    padding: 40px;
}

.modal-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.modal-image {
    border-radius: 20px;
    overflow: hidden;
}

.modal-image img {
    width: 100%;
    height: auto;
}

.modal-details h2 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.modal-brand {
    font-size: 1rem;
    color: var(--secondary);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.modal-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 25px;
}

.modal-description {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 25px;
}

.modal-specs {
    background: var(--light);
    padding: 20px;
    border-radius: 15px;
    margin-bottom: 25px;
}

.modal-specs h3 {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-label {
    font-weight: 600;
    color: var(--text);
}

.spec-value {
    color: var(--text-light);
}

.modal-actions {
    display: flex;
    gap: 15px;
}

.modal-actions .btn {
    flex: 1;
}

@media (max-width: 968px) {
    .catalog-layout {
        grid-template-columns: 1fr;
    }

    .catalog-filters {
        position: static;
    }

    .modal-grid {
        grid-template-columns: 1fr;
    }

    .catalog-hero h1 {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    .products-grid {
        grid-template-columns: 1fr;
    }

    .catalog-toolbar {
        flex-direction: column;
        gap: 15px;
    }

    .modal-body {
        padding: 20px;
    }
}