.product-top {
    padding-bottom: 0;
}

.product-sec {
    padding: 12px 0 48px;
}

.product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

/* ---------- گالری ---------- */
.product-gallery {
    position: sticky;
    top: 90px;
}

.main-thumb {
    position: relative;
    aspect-ratio: 1;
    border-radius: 28px;
    background: var(--g);
    display: grid;
    place-items: center;
    overflow: hidden;
    box-shadow: 0 20px 50px -20px rgba(0, 0, 0, .25);
}

.main-thumb > i {
    font-size: 7rem;
    color: rgba(255, 255, 255, .92);
    filter: drop-shadow(0 8px 16px rgba(0, 0, 0, .2));
}

.main-thumb .tag {
    position: absolute;
    top: 18px;
    inset-inline-start: 18px;
    background: #fff;
    color: var(--primary-dark);
    font-weight: 800;
    font-size: .85rem;
    padding: 6px 14px;
    border-radius: 99px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .1);
}

[data-theme="dark"] .main-thumb .tag {
    background: var(--surface);
    color: var(--primary);
}

.main-thumb .fav {
    position: absolute;
    top: 18px;
    inset-inline-end: 18px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 0;
    background: rgba(255, 255, 255, .9);
    color: #e11d48;
    display: grid;
    place-items: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: .2s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .12);
}

.main-thumb .fav:hover,
.main-thumb .fav.on {
    background: #e11d48;
    color: #fff;
    transform: scale(1.08);
}

.main-thumb .stock {
    position: absolute;
    bottom: 18px;
    inset-inline-start: 18px;
    font-size: .85rem;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 99px;
    background: rgba(0, 0, 0, .5);
    color: #fff;
}

/* ---------- اطلاعات محصول ---------- */
.product-info h1 {
    font-size: 1.75rem;
    font-weight: 900;
    line-height: 1.45;
    margin: 8px 0 12px;
}

.pi-rate {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #f59e0b;
    font-size: 1rem;
}

.pi-rate span {
    color: var(--muted);
    font-size: .9rem;
    margin-inline-start: 4px;
}

/* the shortcut to the product's «امتیاز محصول» box, for whoever may edit the product */
.pi-rate .pi-rate-edit {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-inline-start: 8px;
    color: var(--muted);
    font-size: .8rem;
    text-decoration: none;
}

.pi-rate .pi-rate-edit:hover {
    color: var(--primary);
}

.pi-rate .pi-rate-edit i {
    font-size: .7rem;
}

.pi-cat {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 700;
    font-size: .9rem;
    margin-bottom: 18px;
}

.pi-cat:hover {
    text-decoration: underline;
}

.pi-price {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 10px 14px;
    margin-bottom: 20px;
}

.pi-price s {
    color: var(--muted);
    font-size: 1.05rem;
}

.pi-price strong {
    font-size: 1.7rem;
    font-weight: 900;
    color: var(--primary-dark);
}

[data-theme="dark"] .pi-price strong {
    color: var(--primary);
}

.pi-price .disc {
    background: #dcfce7;
    color: #166534;
    font-weight: 800;
    font-size: .8rem;
    padding: 4px 10px;
    border-radius: 8px;
}

[data-theme="dark"] .pi-price .disc {
    background: #14532d;
    color: #86efac;
}

.pi-desc {
    color: var(--muted);
    line-height: 1.85;
    font-size: .98rem;
    margin-bottom: 22px;
}

.pi-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 28px;
    margin-bottom: 26px;
    padding: 16px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: .92rem;
    color: var(--muted);
}

.meta-item i {
    color: var(--primary);
    font-size: 1rem;
}

.meta-item b {
    color: var(--text);
}

/* ---------- تعداد و دکمه افزودن ---------- */
.pi-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    margin-bottom: 28px;
}

.qty-box {
    display: flex;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    background: var(--surface);
    height: 52px;
}

.qty-box button {
    width: 48px;
    height: 100%;
    border: 0;
    background: transparent;
    color: var(--text);
    display: grid;
    place-items: center;
    transition: .15s;
}

.qty-box button:hover {
    background: var(--surface-2);
    color: var(--primary);
}

.qty-box input {
    width: 52px;
    height: 100%;
    border: 0;
    background: transparent;
    text-align: center;
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--text);
    font-family: inherit;
}

.add-btn {
    flex: 1;
    min-width: 180px;
    height: 52px;
    font-size: 1.05rem;
    font-weight: 800;
    border-radius: 16px;
    gap: 10px;
}

.add-btn:disabled {
    opacity: .55;
    cursor: not-allowed;
}

/* ---------- ویژگی‌ها ---------- */
.pi-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.feat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 10px;
    background: var(--surface-2);
    border-radius: 16px;
    text-align: center;
    font-size: .85rem;
    font-weight: 700;
    color: var(--text);
}

.feat i {
    font-size: 1.35rem;
    color: var(--primary);
}

/* ---------- محصولات مرتبط ---------- */
.related-sec {
    padding: 0 0 56px;
}

.sec-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
    gap: 12px;
    flex-wrap: wrap;
}

.sec-head h2 {
    font-size: 1.35rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sec-head h2 i {
    color: var(--primary);
}

.related-sec .products {
    grid-template-columns: repeat(auto-fill, minmax(215px, 1fr));
    gap: 18px;
}

.card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.card h3 a {
    color: inherit;
    text-decoration: none;
}

.card h3 a:hover {
    color: var(--primary);
}

/* ---------- ریسپانسیو ---------- */
@media (max-width:900px) {
    .product-layout {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .product-gallery {
        position: static;
    }

    .main-thumb {
        max-width: 420px;
        margin: 0 auto;
    }

    .main-thumb > i {
        font-size: 5.5rem;
    }

    .pi-features {
        grid-template-columns: 1fr;
    }

    .feat {
        flex-direction: row;
        justify-content: flex-start;
        padding: 14px 18px;
        text-align: start;
    }
}

@media (max-width:560px) {
    .product-info h1 {
        font-size: 1.4rem;
    }

    .pi-price strong {
        font-size: 1.4rem;
    }

    .pi-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .qty-box {
        width: 100%;
        justify-content: space-between;
    }

    .qty-box input {
        flex: 1;
    }

    .add-btn {
        width: 100%;
    }
}