/* ============================================================
   DXRACER.RU - Catalog & Product page styles
   ============================================================ */

/* ---------- Catalog layout ---------- */
.catalog {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 32px;
    padding: 32px 0 60px;
}

.catalog-sidebar {
    align-self: start;
    position: sticky;
    top: calc(var(--header-height) + 20px);
}

.filter-group {
    border-bottom: 1px solid var(--color-border);
    padding: 20px 0;
}

.filter-group:first-child {
    padding-top: 0;
}

.filter-group__title {
    font-family: var(--font-display);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 14px;
}

.filter-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    cursor: pointer;
    font-size: 14px;
}

.filter-checkbox input {
    accent-color: var(--color-accent);
    width: 16px;
    height: 16px;
}

.filter-checkbox__count {
    margin-left: auto;
    color: var(--color-text-muted);
    font-size: 12px;
}

.filter-price {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-top: 8px;
}

.filter-price input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.catalog-main__toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: 12px;
}

.catalog-main__count {
    color: var(--color-text-muted);
    font-size: 14px;
}

.sort-select {
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    font-size: 14px;
}

/* ---------- Product page ---------- */
.product-page {
    padding: 32px 0 60px;
}

.product-page__main {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 48px;
    margin-bottom: 60px;
        align-items: start;
}

.product-gallery__main {
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 8px;
    text-align: center;
}

.product-gallery__main img,
.product-gallery__main-link {
    display: block;
    width: 100%;
    height: auto;
    max-height: 380px;
    object-fit: contain;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

.product-gallery__main-link img {
    padding: 0;
}

.product-gallery__thumbs {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 6px;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 6px;
}

.product-gallery__thumb {
    flex: 0 0 64px;
    width: 64px;
    height: 64px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-sm);
    cursor: pointer;
    overflow: hidden;
    border: 2px solid transparent;
    padding: 0;
    transition: border-color var(--transition-fast);
}

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

.product-gallery__thumb.is-active {
    border-color: var(--color-accent);
}

.product-info__series {
    font-family: var(--font-display);
    font-size: 12px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 8px;
}

.product-info__title {
    font-size: clamp(20px, 3.5vw, 25px);
    margin: 0 0 16px;
    text-transform: none;
    line-height: 1.1;
    font-family: 'Manrope';
}

.product-info__price-block {
    padding: 20px 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin: 24px 0;
}

.product-info__price-current {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 700;
}

.product-info__price-old {
    margin-left: 12px;
    color: var(--color-text-muted);
    text-decoration: line-through;
    font-size: 18px;
}

.product-info__stock {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: rgba(46, 204, 113, 0.1);
    color: var(--color-success);
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    margin-top: 8px;
}

.product-info__stock--out {
    background: rgba(231, 76, 60, 0.1);
    color: var(--color-danger);
}

.product-info__qty-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.qty-control {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.qty-control button {
    width: 40px;
    height: 44px;
    background: var(--color-bg-alt);
    font-size: 18px;
    font-weight: 700;
    transition: background var(--transition-fast);
}

.qty-control button:hover {
    background: var(--color-border);
}

.qty-control input {
    width: 50px;
    height: 44px;
    border: 0;
    text-align: center;
    font-weight: 600;
    font-size: 16px;
    border-left: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
}

.qty-control input::-webkit-outer-spin-button,
.qty-control input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.product-info__actions {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
}

.product-info__short {
    color: var(--color-text-muted);
    margin-bottom: 24px;
    line-height: 1.6;
}

/* Tabs */
.product-tabs {
    margin-top: 60px;
    padding: 15px;
    border-radius: 8px;
    margin-bottom:60px;
}

.product-tabs__nav {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: 32px;
}

.product-tabs__btn {
    padding: 14px 28px;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-text-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.product-tabs__btn.is-active {
    color: var(--color-text);
    border-bottom-color: var(--color-accent);
}

.product-tabs__panel {
    display: none;
}

.product-tabs__panel.is-active {
    display: block;
}

/* Specs table */
.specs-table {
    width: 100%;
    border-collapse: collapse;
    max-width: 720px;
}

.specs-table tr {
    border-bottom: 1px solid var(--color-border);
}

.specs-table td {
    padding: 12px 0;
}

.specs-table td:first-child {
    color: var(--color-text-muted);
    width: 40%;
}

.specs-table td:last-child {
    font-weight: 600;
}

/* Files list */
.files-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 600px;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.file-item:hover {
    background: var(--color-accent-light);
}

.file-item__icon {
    flex-shrink: 0;
    color: var(--color-accent);
}

.file-item__name {
    flex: 1;
    font-weight: 600;
}

.file-item__size {
    color: var(--color-text-muted);
    font-size: 13px;
}

/* ---------- Cart page ---------- */
.cart-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 32px;
    padding: 32px 0 60px;
}

.cart-table {
    width: 100%;
    border-collapse: collapse;
}

.cart-row {
    display: grid;
    grid-template-columns: 100px 1fr 150px 130px 120px 40px;
    gap: 16px;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--color-border);
}

.cart-row__image {
    width: 100px;
    height: 100px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    overflow: hidden;
    padding: 8px;
}

.cart-row__image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.cart-row__name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 16px;
    text-transform: uppercase;
}

.cart-row__sku {
    color: var(--color-text-muted);
    font-size: 13px;
    margin-top: 4px;
}

.cart-row__price,
.cart-row__total {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 18px;
}

.cart-row__remove {
    width: 36px;
    height: 36px;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.cart-row__remove:hover {
    color: var(--color-danger);
}

.cart-summary {
    background: var(--color-bg-alt);
    padding: 28px;
    border-radius: var(--radius-md);
    align-self: start;
    position: sticky;
    top: calc(var(--header-height) + 20px);
}

.cart-summary__title {
    font-family: var(--font-display);
    text-transform: uppercase;
    margin: 0 0 20px;
}

.cart-summary__row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
}

.cart-summary__total {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    border-top: 2px solid var(--color-text);
    padding-top: 16px;
    margin-top: 8px;
}

.cart-empty {
    text-align: center;
    padding: 80px 20px;
}

.cart-empty__icon {
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

/* ---------- Checkout ---------- */
.checkout-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 32px;
    padding: 32px 0 60px;
}

.checkout-form-block {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 28px;
    margin-bottom: 24px;
}

.checkout-form-block__title {
    font-family: var(--font-display);
    text-transform: uppercase;
    font-size: 18px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.radio-option:hover {
    border-color: var(--color-accent);
}

.radio-option input {
    accent-color: var(--color-accent);
    width: 18px;
    height: 18px;
}

.radio-option input:checked + span {
    color: var(--color-accent);
    font-weight: 600;
}

/* ---------- Catalog responsive ---------- */
@media (max-width: 992px) {
    .catalog {
        grid-template-columns: 1fr;
    }
    .catalog-sidebar {
        position: static;
    }
    .product-page__main {
        grid-template-columns: 1fr;
    }
    .cart-layout,
    .checkout-layout {
        grid-template-columns: 1fr;
    }
    .cart-row {
        grid-template-columns: 80px 1fr 100px;
        grid-template-rows: auto auto;
        gap: 12px;
    }
    .cart-row__price {
        display: none;
    }
    .cart-row__total {
        grid-column: 2;
    }
    .cart-row__remove {
        grid-column: 3;
        grid-row: 1 / span 2;
        align-self: center;
    }
}
@media (min-width: 993px) {
    .product-gallery {
        position: sticky;
        top: 130px;
        align-self: start;
    }
}