/* product.css — карточка товара: галерея, блок покупки (варианты/цена/кол-во),
   характеристики, табы, склады. Подключается только на странице товара. */

.product {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
    margin: 18px 0 32px;
}

/* ── Галерея ── */
.pgal { position: sticky; top: 16px; }
.pgal__stage {
    position: relative;
    aspect-ratio: 1 / 1;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    overflow: hidden;
    display: grid;
    place-items: center;
}
.pgal__main { width: 100%; height: 100%; object-fit: contain; padding: 24px; }
.pgal__noimg { color: var(--muted); font-size: 64px; }
.pgal__badge {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 5px 10px;
    border-radius: 8px;
    background: var(--danger);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
}
.pgal__thumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
}
.pgal__thumb {
    width: 68px;
    height: 68px;
    padding: 4px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    cursor: pointer;
    transition: border-color 0.15s ease;
}
.pgal__thumb img { width: 100%; height: 100%; object-fit: contain; }
.pgal__thumb:hover { border-color: var(--muted); }
.pgal__thumb.is-active { border-color: var(--primary); }

/* ── Основной блок ── */
.product__title { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 12px; line-height: 1.25; }

.product__rating { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.product__rating-link { display: inline-flex; align-items: center; gap: 8px; }
.stars { color: var(--accent, #f59e0b); font-size: 14px; letter-spacing: 2px; }
.stars--empty { color: var(--line); }
.product__rating-count { font-size: 13px; color: var(--muted); }

.product__meta { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin-bottom: 18px; font-size: 14px; }
.product__sku { color: var(--muted); }
.product__avail { display: inline-flex; align-items: center; gap: 7px; font-weight: 600; }
.product__avail.is-in { color: #059669; }
.product__avail.is-out { color: var(--danger); }
.product__avail.is-preorder { color: #b45309; }

/* ── Варианты (матрица) ── */
.product__variants { display: flex; flex-direction: column; gap: 18px; margin-bottom: 22px; }
.pv-group__name { font-size: 14px; font-weight: 600; margin-bottom: 10px; color: var(--ink); }
.pv-values { display: flex; flex-wrap: wrap; gap: 8px; }

.pv-value {
    min-width: 52px;
    padding: 9px 16px;
    border: 1.5px solid var(--line);
    border-radius: 9px;
    background: #fff;
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease;
}
.pv-value:hover { border-color: var(--primary); }
.pv-value.is-active { border-color: var(--primary); color: var(--primary); background: rgba(79, 70, 229, 0.05); }
.pv-value.is-disabled {
    opacity: 0.4;
    cursor: not-allowed;
    text-decoration: line-through;
    border-color: var(--line);
    color: var(--muted);
}
.pv-value.is-disabled:hover { border-color: var(--line); }
/* Нет в наличии (комбинация существует) — выбираемо, помечено для подписки */
.pv-value.is-oos {
    color: var(--muted);
    border-color: var(--line);
    text-decoration: line-through;
    text-decoration-color: color-mix(in srgb, var(--muted) 55%, transparent);
    cursor: pointer;
}
.pv-value.is-oos:hover { border-color: var(--primary); }
.pv-value.is-oos.is-active { color: var(--primary); border-color: var(--primary); }

.pv-color { padding: 3px; border: 2px solid transparent; border-radius: 50%; background: none; cursor: pointer; line-height: 0; }
.pv-color__dot { display: block; width: 30px; height: 30px; border-radius: 50%; background: var(--c, #ccc); box-shadow: 0 0 0 1px var(--line); }
.pv-color.is-active { border-color: var(--primary); }
.pv-color.is-disabled { opacity: 0.35; cursor: not-allowed; position: relative; }
.pv-color.is-disabled::after {
    content: "";
    position: absolute;
    inset: 50% 2px auto 2px;
    height: 2px;
    background: var(--muted);
    transform: rotate(-45deg);
}
/* Нет в наличии — выбираемо (полупрозрачно), для подписки на поступление */
.pv-color.is-oos { opacity: 0.5; cursor: pointer; }
.pv-color.is-oos.is-active { opacity: 1; border-color: var(--primary); }

/* «Купить в 1 клик» недоступен у отсутствующего артикула (гасит product.js) */
.oc-open:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

/* ── Цена + покупка ── */
.product__buybox { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.product__price { display: flex; align-items: baseline; gap: 12px; margin-bottom: 8px; }
.product__price-now { font-size: 30px; font-weight: 800; color: var(--text, var(--ink)); }
.product__price-now.is-sale { color: var(--danger); }
.product__price-old { font-size: 18px; color: var(--muted); text-decoration: line-through; }

.product__stocks { font-size: 13px; color: var(--muted); margin-bottom: 16px; }
.product__stocks-label { font-weight: 600; color: var(--ink); }
.stock-pill { display: inline-block; padding: 2px 8px; border-radius: 6px; background: var(--surface-2); color: var(--ink); margin: 2px 0; }
/* Индикатор остатка склада: пороги «мало» и «на исходе» задаются в карточке склада */
.stock-pill.is-low { background: #fff7ed; color: #b45309; }
.stock-pill.is-critical { background: #fef2f2; color: #b91c1c; }
.stock-pill__pickup { margin-right: 6px; color: var(--primary); }
.stock-pill__today { margin-left: 6px; font-size: 12px; color: #15803d; }

.product__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }

.product-qty { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 10px; background: #fff; overflow: hidden; }
.product-qty__btn { width: 40px; height: 46px; border: none; background: none; font-size: 20px; color: var(--ink); cursor: pointer; }
.product-qty__btn:hover { background: var(--surface-2); }
.product-qty__input { width: 54px; height: 46px; border: none; text-align: center; font-size: 15px; font-family: inherit; font-weight: 600; color: var(--ink); }
.product-qty__input:focus { outline: none; }
.product-qty__unit { padding: 0 12px; font-size: 13px; color: var(--muted); }

.product-buy {
    flex: 1;
    min-width: 180px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: none;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.15s ease;
}
.product-buy:hover { background: var(--primary-600); }
.product-buy:disabled { background: var(--muted); cursor: not-allowed; }
.product-buy.is-preorder { background: #d97706; }
.product-buy.is-preorder:hover { background: #b45309; }

.product-icon-btn {
    width: 48px;
    height: 48px;
    flex: none;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    color: var(--ink);
    font-size: 17px;
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease;
}
.product-icon-btn:hover { border-color: var(--primary); color: var(--primary); }
/* Активное избранное — красное; активное сравнение — фирменное */
.product-icon-btn.is-active[data-fav] { border-color: var(--danger); color: var(--danger); background: color-mix(in srgb, var(--danger) 8%, #fff); }
.product-icon-btn.is-active[data-compare] { border-color: var(--primary); color: var(--primary); background: color-mix(in srgb, var(--primary) 8%, #fff); }
.product-icon-btn.is-flash { animation: cartix-shake 0.4s; }
@keyframes cartix-shake { 0%,100%{transform:translateX(0);} 25%{transform:translateX(-4px);} 75%{transform:translateX(4px);} }

/* ── Краткие характеристики ── */
.product__short-specs { margin-top: 22px; display: flex; flex-direction: column; gap: 8px; }
.short-spec { display: flex; align-items: baseline; gap: 6px; font-size: 14px; }
.short-spec__name { color: var(--muted); white-space: nowrap; }
.short-spec__dots { flex: 1; border-bottom: 1px dotted var(--line); transform: translateY(-3px); }
.short-spec__value { color: var(--ink); font-weight: 600; text-align: right; }

/* ── Табы ── */
.product-tabs { margin: 40px 0; }
.product-tabs__nav { display: flex; gap: 4px; border-bottom: 2px solid var(--line); }
.product-tabs__tab {
    padding: 12px 20px;
    border: none;
    background: none;
    font-size: 15px;
    font-weight: 600;
    color: var(--muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color 0.15s ease, border-color 0.15s ease;
}
.product-tabs__tab:hover { color: var(--ink); }
.product-tabs__tab.is-active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-count { display: inline-grid; place-items: center; min-width: 20px; height: 20px; padding: 0 6px; margin-left: 4px; border-radius: 10px; background: var(--surface, #eef2f7); color: var(--muted); font-size: 12px; font-weight: 700; vertical-align: middle; }
.product-tabs__tab.is-active .tab-count { background: color-mix(in srgb, var(--primary) 14%, #fff); color: var(--primary); }

.product-tabs__panel { display: none; padding: 24px 0; }
.product-tabs__panel.is-active { display: block; }

.product-desc { line-height: 1.7; color: var(--ink-2, #333); max-width: 860px; }
.product-desc img { max-width: 100%; height: auto; border-radius: 8px; }

.specs-table { width: 100%; max-width: 720px; border-collapse: collapse; }
.specs-table tr:nth-child(odd) { background: var(--surface); }
.specs-table td { padding: 11px 14px; font-size: 14px; }
.specs-table__name { color: var(--muted); width: 45%; }
.specs-table__value { color: var(--ink); font-weight: 600; }

/* ── Отзывы / вопросы ── */
.previews__empty { text-align: center; padding: 40px 20px; color: var(--muted); }
.previews__empty i { font-size: 42px; opacity: 0.5; }
.previews__empty p { margin: 14px 0; }
.btn-review {
    padding: 10px 22px;
    border: 1px solid var(--primary);
    border-radius: 9px;
    background: #fff;
    color: var(--primary);
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}
.btn-review:hover { background: var(--primary); color: #fff; }
.pquestions { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.pquestions__title { font-size: 18px; font-weight: 700; margin: 0 0 12px; }

/* ── Адаптив ── */
@media (max-width: 900px) {
    .product { grid-template-columns: 1fr; gap: 24px; }
    .pgal { position: static; }
    .product__price-now { font-size: 26px; }
}
@media (max-width: 480px) {
    .product-buy { min-width: 140px; }
    .product-tabs__nav { overflow-x: auto; }
}

/* ══ Отзывы ══════════════════════════════════════════════════════════════ */
.rv { display: flex; flex-direction: column; gap: 24px; }

/* — Сводка — */
.rv-summary {
    display: grid; grid-template-columns: auto 1fr auto; gap: 28px; align-items: center;
    padding: 22px 24px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface, #f8fafc);
}
.rv-summary__score { text-align: center; }
.rv-summary__avg { font-size: 44px; font-weight: 800; line-height: 1; color: var(--ink); }
.rv-stars { color: var(--accent, #f5a623); font-size: 16px; letter-spacing: 1px; display: inline-flex; gap: 2px; }
.rv-stars--sm { font-size: 13px; }
.rv-summary__total { margin-top: 6px; font-size: 13px; color: var(--muted); }
.rv-summary__dist { display: flex; flex-direction: column; gap: 6px; min-width: 180px; }
.rv-bar { display: grid; grid-template-columns: 34px 1fr 28px; gap: 8px; align-items: center; font-size: 12px; color: var(--muted); }
.rv-bar__label { display: inline-flex; align-items: center; gap: 3px; color: #f5a623; }
.rv-bar__track { height: 7px; border-radius: 4px; background: var(--line); overflow: hidden; }
.rv-bar__fill { display: block; height: 100%; background: #f5a623; border-radius: 4px; transition: width .3s ease; }
.rv-bar__count { text-align: right; }
.rv-summary__cta { align-self: center; }

.btn-review {
    display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
    padding: 11px 20px; border: none; border-radius: 10px;
    background: var(--primary); color: #fff; font-weight: 600; font-size: 14px;
    transition: background .15s ease;
}
.btn-review:hover { background: var(--primary-600, var(--primary)); }
.btn-review--sm { padding: 8px 14px; font-size: 13px; }

/* — Форма — */
.rv-form {
    display: flex; flex-direction: column; gap: 14px;
    padding: 22px 24px; border: 1px solid var(--line); border-radius: 14px;
}
.rv-field { display: flex; flex-direction: column; gap: 6px; }
.rv-field__label { font-size: 13px; font-weight: 600; color: var(--ink-2, var(--ink)); }
.rv-field__label b { color: var(--danger); }
.rv-input {
    width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 9px;
    font: inherit; font-size: 14px; background: #fff; color: var(--ink); resize: vertical;
}
.rv-input:focus { outline: none; border-color: var(--primary); }
.rv-rate { display: inline-flex; flex-direction: row-reverse; gap: 4px; font-size: 26px; }
.rv-rate__star { cursor: pointer; color: var(--line); transition: color .1s ease; }
.rv-rate__star input { position: absolute; opacity: 0; width: 0; height: 0; }
.rv-rate__star.is-on { color: var(--accent, #f5a623); }
.rv-photos-add {
    display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
    padding: 9px 16px; border: 1px dashed var(--line); border-radius: 9px;
    font-size: 13px; font-weight: 600; color: var(--ink-2, var(--muted)); width: max-content;
}
.rv-photos-add:hover { border-color: var(--primary); color: var(--primary); }
.rv-photos-preview { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.rv-photos-preview__img { width: 64px; height: 64px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); }
.rv-form__actions { display: flex; align-items: center; gap: 12px; }
.rv-cancel { background: none; border: none; cursor: pointer; color: var(--muted); font-size: 14px; }
.rv-cancel:hover { color: var(--ink); }
.rv-form__msg { font-size: 14px; padding: 10px 12px; border-radius: 9px; }
.rv-form__msg.is-ok { background: #ecfdf5; color: #047857; }
.rv-form__msg.is-err { background: #fef2f2; color: #b91c1c; }

/* — Список — */
.rv-list { display: flex; flex-direction: column; gap: 20px; }
.rv-item { padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.rv-item__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.rv-item__author { display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.rv-item__name { font-weight: 700; color: var(--ink); }
.rv-item__verified { color: #10b981; font-size: 13px; }
.rv-item__date { font-size: 12px; color: var(--muted); }
.rv-item__title { margin: 4px 0; font-size: 15px; font-weight: 700; color: var(--ink); }
.rv-item__pc { font-size: 14px; margin: 4px 0; padding-left: 4px; }
.rv-item__pc span { font-weight: 600; }
.rv-item__pc--pro span { color: #059669; }
.rv-item__pc--con span { color: #dc2626; }
.rv-item__body { font-size: 14px; line-height: 1.6; color: var(--ink-2, var(--ink)); margin: 6px 0; white-space: pre-line; }
.rv-item__photos { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.rv-photo img { width: 72px; height: 72px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); transition: transform .15s ease; }
.rv-photo:hover img { transform: scale(1.04); }
.rv-item__foot { display: flex; align-items: center; gap: 16px; margin-top: 10px; }
.rv-vote { display: inline-flex; gap: 8px; }
.rv-vote__btn {
    display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
    padding: 6px 12px; border: 1px solid var(--line); border-radius: 20px;
    background: #fff; color: var(--muted); font-size: 13px; transition: all .12s ease;
}
.rv-vote__btn:hover { border-color: var(--primary); color: var(--primary); }
.rv-vote__btn.is-active { border-color: var(--primary); color: var(--primary); background: color-mix(in srgb, var(--primary) 8%, #fff); }
.rv-reply-toggle { background: none; border: none; cursor: pointer; color: var(--primary); font-size: 13px; font-weight: 600; }
.rv-replies { margin: 10px 0 0 20px; display: flex; flex-direction: column; gap: 10px; }
.rv-reply { padding: 10px 14px; border-radius: 10px; background: var(--surface, #f8fafc); border-left: 3px solid var(--line); }
.rv-reply.is-admin { border-left-color: var(--primary); background: color-mix(in srgb, var(--primary) 5%, #fff); }
.rv-reply__name { font-weight: 700; font-size: 13px; color: var(--ink); }
.rv-reply__date { margin-left: 8px; font-size: 11px; color: var(--muted); }
.rv-reply__body { font-size: 13px; line-height: 1.5; color: var(--ink-2, var(--ink)); margin-top: 4px; }
.rv-reply-form { margin: 10px 0 0 20px; display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }

@media (max-width: 640px) {
    .rv-summary { grid-template-columns: 1fr; gap: 18px; text-align: center; }
    .rv-summary__dist { min-width: 0; }
}

/* ── Вопросы о товаре (Q&A) ── */
.qna { margin-top: 8px; }
.qna-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.qna-count { display: inline-grid; place-items: center; min-width: 22px; height: 22px; padding: 0 6px; border-radius: 11px; background: var(--surface, #eef2f7); color: var(--muted); font-size: 13px; font-weight: 700; vertical-align: middle; }
.qna-q { font-weight: 800; color: var(--primary); font-size: 13px; letter-spacing: 0.02em; }
.qna-item .rv-item__body { padding-left: 2px; }