/* ============================================
   SHOP PAGE STYLES
   ============================================ */

/* Shop Header */
.shop-header {
    padding: var(--space-16) 0 var(--space-8);
    background-color: var(--color-bg-tertiary);
    text-align: center;
}

.shop-header__title {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: var(--font-light);
    margin-bottom: var(--space-4);
}

.shop-header__count {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    letter-spacing: var(--tracking-wide);
}

/* Shop Layout */
.shop {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--space-8);
    padding: var(--space-8) 0 var(--space-16);
}

@media (max-width: 1024px) {
    .shop {
        grid-template-columns: 1fr;
    }
}

/* Filters Sidebar */
.filters {
    position: sticky;
    top: calc(var(--navbar-height) + var(--space-8));
    height: fit-content;
}

.filters__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
}

.filters__title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
}

.filters__clear {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    transition: color var(--transition-fast);
}

.filters__clear:hover {
    color: var(--color-accent);
}

.filter-group {
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-border-light);
}

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

.filter-group__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--color-text-primary);
    cursor: pointer;
}

.filter-group__header svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.filter-group--collapsed .filter-group__header svg {
    transform: rotate(-90deg);
}

.filter-group__content {
    padding-top: var(--space-4);
}

.filter-group--collapsed .filter-group__content {
    display: none;
}

.filter-option {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.filter-option input[type="checkbox"] {
    appearance: none;
    width: 18px;
    height: 18px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.filter-option input[type="checkbox"]:checked {
    background-color: var(--color-text-primary);
    border-color: var(--color-text-primary);
}

.filter-option input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 6px;
    width: 4px;
    height: 8px;
    border: solid var(--color-text-inverse);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.filter-option__count {
    margin-left: auto;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* Color Filter */
.filter-colors {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding-top: var(--space-4);
}

.filter-color {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
    position: relative;
}

.filter-color:hover {
    transform: scale(1.1);
}

.filter-color--selected {
    border-color: var(--color-text-primary);
}

.filter-color--selected::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 10px;
    background-color: var(--color-text-inverse);
    border-radius: var(--radius-full);
    transform: translate(-50%, -50%);
}

/* Size Filter */
.filter-sizes {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding-top: var(--space-4);
}

.filter-size {
    min-width: 40px;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    text-align: center;
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.filter-size--selected {
    background-color: var(--color-text-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-text-primary);
}

/* Price Range */
.price-range {
    padding-top: var(--space-4);
}

.price-range__slider {
    width: 100%;
    margin-bottom: var(--space-4);
}

.price-range__values {
    display: flex;
    justify-content: space-between;
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

/* Mobile Filters Toggle */
.filters-toggle {
    display: none;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
}

.filters-toggle svg {
    width: 18px;
    height: 18px;
}

@media (max-width: 1024px) {
    .filters-toggle {
        display: inline-flex;
    }

    .filters {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        z-index: var(--z-modal);
        width: 100%;
        max-width: 320px;
        padding: var(--space-6);
        background-color: var(--color-bg-secondary);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        overflow-y: auto;
    }

    .filters--open {
        transform: translateX(0);
    }

    .filters__close {
        position: absolute;
        top: var(--space-4);
        right: var(--space-4);
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* Shop Toolbar */
.shop-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}

.shop-toolbar__left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.shop-toolbar__count {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

.shop-toolbar__right {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

/* Sort Dropdown */
.sort-dropdown {
    position: relative;
}

.sort-dropdown__trigger {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    cursor: pointer;
}

.sort-dropdown__trigger svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.sort-dropdown--open .sort-dropdown__trigger svg {
    transform: rotate(180deg);
}

.sort-dropdown__menu {
    position: absolute;
    top: 100%;
    right: 0;
    z-index: var(--z-dropdown);
    min-width: 180px;
    margin-top: var(--space-1);
    padding: var(--space-2) 0;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.sort-dropdown--open .sort-dropdown__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sort-dropdown__item {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    text-align: left;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.sort-dropdown__item:hover,
.sort-dropdown__item--active {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

/* View Toggle */
.view-toggle {
    display: flex;
    border: 1px solid var(--color-border);
}

.view-toggle__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-text-tertiary);
    transition: all var(--transition-fast);
}

.view-toggle__btn:hover {
    color: var(--color-text-primary);
}

.view-toggle__btn--active {
    background-color: var(--color-text-primary);
    color: var(--color-text-inverse);
}

.view-toggle__btn svg {
    width: 18px;
    height: 18px;
}

/* Products Grid Variations */
.product-grid--2 {
    grid-template-columns: repeat(2, 1fr);
}

.product-grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.product-grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .product-grid--4 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .product-grid--3,
    .product-grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .product-grid--2,
    .product-grid--3,
    .product-grid--4 {
        grid-template-columns: 1fr;
    }
}

/* Empty State */
.shop-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-16) var(--space-4);
}

.shop-empty__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
    color: var(--color-text-muted);
}

.shop-empty__title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    margin-bottom: var(--space-2);
}

.shop-empty__text {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
}

/* Load More */
.load-more {
    text-align: center;
    margin-top: var(--space-12);
}

/* Active Filters */
.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.active-filter {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    background-color: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
}

.active-filter__remove {
    display: flex;
    width: 14px;
    height: 14px;
    color: var(--color-text-tertiary);
    transition: color var(--transition-fast);
}

.active-filter__remove:hover {
    color: var(--color-text-primary);
}

.active-filter__remove svg {
    width: 100%;
    height: 100%;
}

/* Product Modal for Quick View */
.product-modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.product-modal--open {
    opacity: 1;
    visibility: visible;
}

.product-modal__overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.product-modal__content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    padding: var(--space-8);
    background-color: var(--color-bg-secondary);
    overflow-y: auto;
    transform: scale(0.95);
    transition: transform var(--transition-base);
}

.product-modal--open .product-modal__content {
    transform: scale(1);
}

.product-modal__close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.product-modal__close:hover {
    color: var(--color-text-primary);
}

.product-modal__image {
    aspect-ratio: 3/4;
    background-color: var(--color-bg-tertiary);
}

.product-modal__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-modal__info {
    display: flex;
    flex-direction: column;
}

.product-modal__collection {
    font-size: var(--text-xs);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-2);
}

.product-modal__title {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: var(--font-normal);
    margin-bottom: var(--space-4);
}

.product-modal__price {
    font-size: var(--text-xl);
    font-weight: var(--font-medium);
    margin-bottom: var(--space-6);
}

.product-modal__description {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

.product-modal__options {
    margin-bottom: var(--space-6);
}

.product-modal__option-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    margin-bottom: var(--space-3);
}

.product-modal__sizes {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.product-modal__size {
    min-width: 48px;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    text-align: center;
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.product-modal__size:hover {
    border-color: var(--color-text-primary);
}

.product-modal__size--selected {
    background-color: var(--color-text-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-text-primary);
}

.product-modal__size--disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.product-modal__actions {
    display: flex;
    gap: var(--space-3);
    margin-top: auto;
}

.product-modal__actions .btn {
    flex: 1;
}

@media (max-width: 768px) {
    .product-modal__content {
        grid-template-columns: 1fr;
        padding: var(--space-4);
    }

    .product-modal__image {
        aspect-ratio: 1;
    }
}

/* Filters Overlay (Mobile) */
.filters-overlay {
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-modal) - 1);
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.filters-overlay--open {
    opacity: 1;
    visibility: visible;
}