/* ─── PRODUCT LAYOUT ─── */
.product-wrap {
    max-width: 1600px; margin: 24px auto 60px;
    width: 100%;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

/* ─── GALLERY ─── */
.gallery { display: flex; flex-direction: column; gap: 14px; }
.gallery-main {
    position: relative;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 1 / 1;
    cursor: pointer;
}
.gallery-main img {
    width: 100%; height: 100%; object-fit: contain;
}
.gallery-main .zoom-icon {
    position: absolute; bottom: 12px; right: 12px;
    background: rgba(0,0,0,.45); color: #fff;
    width: 32px; height: 32px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: .75rem;
    opacity: 0; transition: opacity var(--transition);
    pointer-events: none;
}
.gallery-main:hover .zoom-icon { opacity: 1; }

.gallery-thumbs { display: flex; gap: 10px; flex-wrap: wrap; }
.thumb {
    width: 82px; height: 82px;
    border: 2px solid var(--clr-border);
    border-radius: var(--radius-sm);
    background: var(--clr-surface);
    overflow: hidden; cursor: pointer;
    transition: border-color var(--transition);
    flex-shrink: 0;
}
.thumb img { width: 100%; height: 100%; object-fit: contain; }
.thumb.is-active, .thumb:hover { border-color: var(--clr-accent); }

/* ─── LIGHTBOX ─── */
.lightbox-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.9);
    z-index: 500;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none;
    transition: opacity var(--transition);
}
.lightbox-overlay.is-open { opacity: 1; pointer-events: auto; }
.lightbox-close {
    position: absolute; top: 20px; right: 24px;
    color: #fff; font-size: 1.4rem; z-index: 2;
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%; background: rgba(255,255,255,.08);
    transition: background var(--transition);
}
.lightbox-close:hover { background: rgba(255,255,255,.18); }
.lightbox-body {
    position: relative;
    display: flex; align-items: center; justify-content: center;
    width: 90vw; max-width: 820px; height: 80vh;
}
.lightbox-body img {
    max-width: 100%; max-height: 100%;
    object-fit: contain; border-radius: var(--radius);
}
.lightbox-nav {
    position: absolute; top: 50%; z-index: 2;
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,.1);
    border-radius: 50%; color: #fff; font-size: .95rem;
    transition: background var(--transition);
}
.lightbox-nav:hover { background: rgba(255,255,255,.22); }
.lightbox-nav.prev { left: 0; }
.lightbox-nav.next { right: 0; }
.lightbox-counter {
    position: absolute; bottom: -36px; left: 50%;
    color: rgba(255,255,255,.55); font-size: .76rem;
    letter-spacing: 1px; white-space: nowrap;
}

/* ─── PRODUCT INFO ─── */
.product-info { display: flex; flex-direction: column; gap: 18px; }
.product-brand {
    font-size: .72rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 3px;
    color: var(--clr-accent);
}
.product-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2.4rem; letter-spacing: 1.5px;
    color: var(--clr-white); line-height: 1.1;
}
.product-rating { display: flex; align-items: center; gap: 10px; }
.stars { color: #f5a623; font-size: .82rem; letter-spacing: 2px; }
.rating-text { font-size: .75rem; color: var(--clr-text-muted); }

/* price */
.price-row { display: flex; align-items: center; gap: 14px; }
.price-current { font-size: 1.7rem; font-weight: 600; color: var(--clr-white); }
.price-old { font-size: .95rem; color: var(--clr-text-muted); text-decoration: line-through; }
.price-badge {
    background: var(--clr-accent); color: #fff;
    font-size: .68rem; font-weight: 700;
    padding: 3px 8px; border-radius: 20px; letter-spacing: .5px;
}

/* status */
.status-row { display: flex; align-items: center; gap: 8px; font-size: .78rem; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; }
.status-dot.in-stock { background: var(--clr-green); box-shadow: 0 0 6px var(--clr-green); }
.status-dot.out-of-stock { background: var(--clr-red); box-shadow: 0 0 6px var(--clr-red); }
.status-label.in-stock { color: var(--clr-green); font-weight: 500; }
.status-label.out-of-stock { color: var(--clr-red); font-weight: 500; }

/* divider */
.divider { height: 1px; background: var(--clr-border); }

/* variant groups */
.variant-group { display: flex; flex-direction: column; gap: 8px; }
.variant-label {
    font-size: .72rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 2px;
    color: var(--clr-text-muted);
}
.variant-options { display: flex; gap: 8px; flex-wrap: wrap; }

/* color chips */
.color-chip {
    width: 34px; height: 34px; border-radius: 50%;
    border: 2px solid var(--clr-border);
    cursor: pointer;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.color-chip:hover { border-color: var(--clr-accent); }
.color-chip.is-active {
    border-color: var(--clr-accent);
    box-shadow: 0 0 0 2px var(--clr-bg), 0 0 0 4px var(--clr-accent);
}

/* option chips (RAM / ROM) */
.opt-chip {
    padding: 6px 14px;
    border: 1px solid var(--clr-border);
    border-radius: 20px;
    font-size: .76rem; font-weight: 500;
    color: var(--clr-text-muted);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition), color var(--transition), opacity var(--transition);
}
.opt-chip:hover { border-color: var(--clr-accent); color: var(--clr-text); }
.opt-chip.is-active {
    border-color: var(--clr-accent);
    background: var(--clr-accent-dim);
    color: var(--clr-accent);
}
.opt-chip.is-disabled {
    opacity: .3; cursor: not-allowed;
    border-color: var(--clr-border);
    color: var(--clr-text-muted);
    background: none;
    pointer-events: none;
}

/* cart button */
.cart-btn {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    width: 100%; padding: 14px;
    background: var(--clr-accent); color: #fff;
    border-radius: var(--radius);
    font-size: .88rem; font-weight: 600; letter-spacing: .5px;
    transition: background var(--transition), box-shadow var(--transition);
}
.cart-btn:hover { background: var(--clr-accent-hover); box-shadow: 0 4px 18px rgba(255,105,0,.35); }
.cart-btn.is-disabled {
    background: var(--clr-border); color: var(--clr-text-muted);
    cursor: not-allowed; box-shadow: none;
    pointer-events: none;
}
.cart-btn i { font-size: .82rem; }

/* ─── PRODUCT TABS ─── */
.product-tabs-wrap {
    max-width: 1600px; margin: 0 auto 80px;
    width: 100%;
    padding: 0 24px;
}
.tab-nav {
    display: flex; border-bottom: 1px solid var(--clr-border);
    margin-bottom: 32px;
}
.tab-btn {
    padding: 14px 28px;
    font-size: .82rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 2px;
    color: var(--clr-text-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color var(--transition), border-color var(--transition);
}
.tab-btn:hover { color: var(--clr-text); }
.tab-btn.is-active { color: var(--clr-accent); border-color: var(--clr-accent); }

.tab-panel { display: none; }
.tab-panel.is-active { display: block; }

/* description */
.description-text { color: var(--clr-text-muted); font-size: .88rem; line-height: 1.8; max-width: 1600px; }
.description-text p + p { margin-top: 14px; }

/* specs table */
.specs-table { width: 100%; max-width: 1600px; border-collapse: collapse; }
.specs-table tr { border-bottom: 1px solid var(--clr-border); }
.specs-table tr:last-child { border-bottom: none; }
.specs-table td { padding: 13px 0; font-size: .83rem; }
.specs-table td:first-child { color: var(--clr-text-muted); width: 200px; }
.specs-table td:last-child { color: var(--clr-text); font-weight: 500; }

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
    .product-wrap { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 640px) {
    .product-title { font-size: 1.8rem; }
    .product-wrap { padding: 0 16px; }
    .product-tabs-wrap { padding: 0 16px; }
}





/* Варианты - общие стили */
.variant-group {
    margin-bottom: 20px;
}

.variant-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    margin-bottom: 12px;
}

.selected-color-name {
    font-weight: 600;
    color: var(--clr-accent);
}

.variant-options {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* RAM и Storage чипы */
.opt-chip {
    padding: 10px 20px;
    border: 2px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
    font-weight: 500;
    background: #fff;
}

.opt-chip:hover:not(.disabled) {
    border-color: var(--clr-accent);
    background: #f0f8ff;
}

.opt-chip.is-active {
    border-color: var(--clr-accent);
    background: var(--clr-accent);
    color: #fff;
}

.opt-chip.disabled {
    opacity: 0.3;
    cursor: not-allowed;
    background: #f5f5f5;
}

/* Цветовые чипы */
.color-options {
    gap: 15px;
}

.color-chip {
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.color-chip.disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.color-chip.disabled .color-circle {
    filter: grayscale(100%);
}

.color-circle {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 3px solid #ddd;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
    transition: all 0.2s;
    display: block;
}

.color-chip:hover:not(.disabled) .color-circle {
    transform: scale(1.15);
    border-color: #999;
}

.color-chip.is-active .color-circle {
    border-color: var(--clr-accent);
    box-shadow: 0 0 0 4px var(--clr-accent-dim);
    transform: scale(1.1);
}

/* Кнопка корзины */
.cart-btn {
    width: 100%;
    padding: 15px 30px;
    background: var(--clr-accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.cart-btn:hover:not(:disabled) {
    background: var(--clr-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--clr-accent-dim);
}

.cart-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.cart-btn.loading {
    background: #999;
}

.cart-btn.success {
    background: #4CAF50 !important;
}


/* ========== ВАРИАНТЫ ТОВАРА ========== */
.variant-group {
    margin-bottom: 24px;
}

.variant-label {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: #333;
    margin-bottom: 12px;
}

.variant-options {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* RAM и Storage чипы */
.opt-chip {
    padding: 12px 24px;
    border: 2px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
    font-weight: 500;
    background: #fff;
    user-select: none;
}

.opt-chip.disabled {
    opacity: 0.3 !important;
    cursor: not-allowed !important;
    background: #f5f5f5 !important;
    pointer-events: none;
}

/* Цветовые чипы */
.color-options {
    gap: 16px;
}

.color-chip {
    cursor: pointer;
    transition: all 0.25s ease;
    position: relative;
    padding: 5px;
}

.color-chip.disabled {
    opacity: 0.3 !important;
    cursor: not-allowed !important;
    pointer-events: none;
}

.color-chip.disabled .color-circle {
    filter: grayscale(100%) !important;
}

.color-circle {
    border-radius: 50%;
    border: 3px solid #ddd;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    transition: all 0.25s ease;
    display: block;
}

.color-chip:hover:not(.disabled) .color-circle {
    transform: scale(1.15) !important;
    border-color: #999 !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25) !important;
}

.cart-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.cart-btn.loading {
    background: #999 !important;
    cursor: wait !important;
}

.cart-btn.success {
    background: #4CAF50 !important;
}

.cart-btn i {
    font-size: 18px;
}

/* Уведомление */
.cart-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #4CAF50;
    color: white;
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    z-index: 9999;
    animation: slideInRight 0.3s ease;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
}

.cart-notification.error {
    background: #f44336;
}

.cart-notification i {
    font-size: 20px;
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}