/* ========================================
   CATALOG LAYOUT
   ======================================== */

.catalog {
    padding: 2rem 0;
}

.catalog__layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 2rem;
}

/* ========================================
   SIDEBAR FILTERS
   ======================================== */

.catalog__sidebar {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 1.5rem;
    height: fit-content;
    position: sticky;
    top: 120px;
}

.filter-section {
    margin-bottom: 2.5rem;
}

.filter-section:last-of-type {
    margin-bottom: 1.5rem;
}

.filter-section__title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-text);
    padding-bottom: 0.625rem;
    border-bottom: 1px solid var(--color-border);
}

.filter-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.filter-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--color-text);
    transition: var(--transition);
    font-weight: 400;
}

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

.filter-item input[type="radio"],
.filter-item input[type="checkbox"] {
    cursor: pointer;
}

/* Filter Toggle Button */
.filter-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.625rem;
    margin-top: 0.75rem;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
    font-size: 0.813rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

.filter-toggle__icon {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.filter-toggle--expanded .filter-toggle__icon {
    transform: rotate(180deg);
}

/* ========================================
   CATALOG MAIN
   ======================================== */

.catalog__main {
    min-height: 500px;
}

.catalog__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.catalog__header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--color-text);
}

.catalog__controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

#productCount {
    color: var(--color-text-light);
    font-size: 0.875rem;
    font-weight: 400;
}

.sort-select {
    padding: 0.625rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: white;
    font-size: 0.875rem;
    cursor: pointer;
    min-width: 200px;
    font-weight: 400;
    transition: var(--transition);
}

.sort-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(170, 34, 46, 0.1);
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 1024px) {
    .catalog__layout {
        grid-template-columns: 250px 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .catalog {
        padding: 1.5rem 0;
    }
    
    .catalog__layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .catalog__sidebar {
        position: static;
        margin-bottom: 0;
        max-width: 100%;
        width: 100%;
        padding: 1rem;
    }
    
    .catalog__header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .catalog__header h1 {
        font-size: 1.5rem;
    }
    
    .catalog__controls {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .sort-select {
        width: 100%;
        max-width: 100%;
    }
    
    .filter-section {
        margin-bottom: 1.5rem;
    }
    
    .filter-section__title {
        font-size: 0.9375rem;
    }
    
    .filter-item {
        font-size: 0.8125rem;
    }
}

@media (max-width: 480px) {
    .catalog {
        padding: 1rem 0;
    }
    
    .catalog__sidebar {
        padding: 0.875rem;
        border-radius: 0;
    }
    
    .catalog__header h1 {
        font-size: 1.25rem;
    }
    
    #productCount {
        font-size: 0.8125rem;
    }
    
    .sort-select {
        padding: 0.5rem 0.75rem;
        font-size: 0.8125rem;
        min-width: 100%;
    }
    
    .filter-section {
        margin-bottom: 1.25rem;
    }
    
    .filter-section__title {
        font-size: 0.875rem;
    }
    
    .filter-item {
        font-size: 0.75rem;
        gap: 0.5rem;
    }
    
    .filter-toggle {
        padding: 0.5rem;
        font-size: 0.75rem;
    }
    
    .btn {
        padding: 0.625rem 1rem;
        font-size: 0.875rem;
    }
}