.catalog {
    padding: var(--space-2xl) 0;
    min-height: calc(100vh - 200px);
}

.catalog__title {
    font-size: clamp(2rem, 5vw, 3rem);
    text-align: center;
    margin-bottom: var(--space-xl);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.filter-toggle__input {
    display: none;
}

.filter-toggle {
    display: none;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    margin-bottom: var(--space-lg);
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-base);
    cursor: pointer;
}

.filter-toggle:hover {
    border-color: var(--color-primary);
}

.catalog__content {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-xl);
}

.filters {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    height: fit-content;
    position: sticky;
    top: 90px;
}

.filters__section {
    padding-bottom: var(--space-lg);
    margin-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.filters__section:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: none;
}

.filters__title {
    font-size: 1.125rem;
    margin-bottom: var(--space-md);
}

.filters__options {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.filter-option {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    user-select: none;
}

.filter-option input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.catalog__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-lg);
}

@media (max-width: 1024px) {
    .catalog__content {
        grid-template-columns: 1fr;
    }
    
    .filter-toggle {
        display: flex;
    }
    
    .filters {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1000;
        max-width: 100%;
        height: 100%;
        border-radius: 0;
        overflow-y: auto;
    }
    
    .filter-toggle__input:checked ~ .catalog__content .filters {
        display: block;
    }
}

@media (max-width: 768px) {
    .catalog__grid {
        grid-template-columns: 1fr;
    }
}