:root {
  --container: 1200px;
  --radius: 12px;
  --gap: 24px;
  --gap-sm: 14px;

  --bg-soft: #fafafa;
  --surface: #fff;
  --border: #eee;

  --text-1: #222;
  --text-2: #555;

  /* کنتراست بهبود یافته */
  --brand: #005a99;
  --brand-600: #004b80;

  --shadow-1: 0 1px 2px rgba(0,0,0,.06);
  --shadow-2: 0 6px 18px rgba(0,0,0,.12);
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-soft: #121416;
    --surface: #0e1012;
    --border: #22272b;
    --text-1: #e6e6e6;
    --text-2: #b8c0cc;
    --brand: #4aa3e0;
    --brand-600: #358bc7;
    --shadow-1: 0 1px 2px rgba(0,0,0,.6);
    --shadow-2: 0 6px 18px rgba(0,0,0,.5);
  }
  .shop_attributes { background: var(--surface); }
}

.custom-single-product-container {
  max-width: var(--container);
  margin-inline: auto;
  padding: clamp(16px, 2vw, 24px);
}

.custom-product-header { margin-block-end: 14px; }

.product-title {
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--text-1);
  text-align: start;
  line-height: 1.25;
  letter-spacing: -.015em;
}

.wc-sku-stock { font-size: 13px; color: var(--text-2); margin-block-start: 6px; }
.wc-sku-stock .sep { opacity: .6; margin-inline: .5ch; }

.custom-product-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: var(--gap);
  align-items: start;
  margin-block-end: var(--gap);
}

/* کارت‌ها */
.product-images, .product-summary,
.custom-product-attributes,
.custom-product-description,
.custom-product-reviews,
.custom-related-products {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

.product-images, .product-summary { padding: 16px; }

/* گالری */
.woocommerce-product-gallery__image img,
.woocommerce-product-gallery__wrapper img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
  background: var(--surface);
  aspect-ratio: auto; /* به ابعاد ذاتی احترام بگذار */
}

/* خلاصه چسبان (با درنظرگرفتن نوار ادمین) */
@media (min-width: 992px) {
  .product-summary {
    position: sticky;
    top: calc(var(--wp-admin--admin-bar--height, 0px) + 24px);
  }
}

/* قیمت و دکمه‌ها */
.product-summary .price {
  font-size: clamp(18px, 2vw, 20px);
  color: var(--brand);
  margin: 10px 0 14px;
  font-weight: 700;
}

.product-summary .button,
.custom-related-products .product .button,
.single_add_to_cart_button,
.button.alt {
  background-color: var(--brand);
  color: #fff;
  padding: 12px 20px;
  border-radius: 10px;
  text-decoration: none;
  display: inline-block;
  transition: transform .06s ease, background-color .2s ease, box-shadow .2s ease;
  line-height: 1;
  border: 0;
  box-shadow: var(--shadow-1);
  cursor: pointer;
}
.product-summary .button:hover,
.custom-related-products .product .button:hover,
.single_add_to_cart_button:hover,
.button.alt:hover {
  background-color: var(--brand-600);
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
}
.product-summary .button:disabled,
.single_add_to_cart_button:disabled {
  opacity: .6;
  cursor: not-allowed;
}

/* focus-visible */
.product-summary .button:focus-visible,
.custom-related-products .product .button:focus-visible,
.single_add_to_cart_button:focus-visible,
a:focus-visible {
  outline: 3px solid color-mix(in oklab, var(--brand) 70%, white);
  outline-offset: 2px;
  border-radius: 12px;
}

/* احترام به کاهش حرکت */
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .product-summary .button,
  .custom-related-products .product .button { transition: none; }
}

/* بلوک‌های پایین صفحه */
.custom-product-attributes,
.custom-product-description,
.custom-product-reviews,
.custom-related-products {
  padding: 18px 20px;
  margin-block: 20px;
}

.custom-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--text-1);
}

/* جدول ویژگی‌ها */
.shop_attributes {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
}
.shop_attributes tr + tr td,
.shop_attributes tr + tr th { border-top: 1px solid var(--border); }
.shop_attributes th,
.shop_attributes td {
  padding: 10px 12px;
  font-size: 15px;
  vertical-align: top;
  color: var(--text-2);
}
.shop_attributes th {
  font-weight: 700;
  color: var(--text-1);
  inline-size: 30%;
}

/* توضیحات */
.custom-product-description p,
.custom-product-description li {
  color: var(--text-2);
  line-height: 1.9;
  margin: 10px 0;
}

/* نظرات */
.custom-product-reviews .commentlist { list-style: none; padding: 0; margin: 0; }
.custom-product-reviews .comment { padding: 12px 0; border-bottom: 1px solid var(--border); }
.custom-product-reviews .comment:last-child { border-bottom: none; }
.custom-product-reviews .comment-meta,
.custom-product-reviews .comment-content { font-size: 14px; color: var(--text-2); }
.custom-product-reviews .comment-meta .meta { font-weight: 700; color: var(--text-1); }
.custom-product-reviews #respond { margin-block-start: 18px; }
.custom-product-reviews #reply-title { font-size: 16px; font-weight: 800; color: var(--text-1); }
.custom-product-reviews .comment-form label { font-size: 14px; color: var(--text-1); }
.custom-product-reviews .comment-form input,
.custom-product-reviews .comment-form textarea {
  width: 100%;
  padding: 10px;
  margin-block-end: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

/* محصولات مشابه: گرید سازگار با ووکامرس، بدون جنگ specificity */
.custom-related-products ul.products {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: var(--gap-sm);
  list-style: none;
  margin: 0;
  padding: 0;
}
.custom-related-products ul.products::before,
.custom-related-products ul.products::after { display: none; }

.custom-related-products ul.products li.product {
  float: none;
  width: auto;
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-1);
  overflow: hidden;
  text-align: start;
  transition: transform .15s ease, box-shadow .25s ease;
}
.custom-related-products ul.products li.product:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}

/* تصویر محصول */
.custom-related-products .product img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  background: var(--bg-soft);
}

/* تیتر و قیمت و دکمه */
.custom-related-products .woocommerce-loop-product__title {
  font-size: 16px;
  font-weight: 700;
  margin: 12px 14px 6px;
  line-height: 1.4;
  color: var(--text-1);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.custom-related-products .price {
  font-size: 15px;
  font-weight: 700;
  color: var(--brand);
  margin: 0 14px 12px;
}
.custom-related-products .product .button {
  margin: auto 14px 14px;
  display: block;
  text-align: center;
  padding: 12px;
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
}
.custom-related-products .product .button:hover { background: var(--brand-600); }

/* ریسپانسیو */
@media (max-width: 1100px) { .custom-product-grid { gap: 18px; } }
@media (max-width: 992px)  {
  .custom-product-grid { grid-template-columns: 1fr; gap: var(--gap-sm); }
}
@media (max-width: 520px)  {
  .custom-related-products ul.products { grid-template-columns: 1fr; }
}

/* RTL جزئی */
:root:dir(rtl) .product-title { letter-spacing: 0; }
:root:dir(rtl) .shop_attributes th { text-align: start; }

/* دسترس‌پذیری */
.screen-reader-text {
  position: absolute !important;
  height: 1px; width: 1px;
  overflow: hidden; clip: rect(1px,1px,1px,1px);
  white-space: nowrap; border: 0; padding: 0; margin: -1px;
}