/* ===================================================================
   product.css — استایل‌های اختصاصیِ صفحه محصول (product.html)
   هدر، فوتر، سایدبار موبایل، سایدبار سبد خرید و بخش‌های صفحه اصلی
   همگی در style.css هستند و اینجا تکرار نشده‌اند — این فایل فقط
   شامل استایل بخش‌های مخصوص صفحه محصول است:
   گالری تصاویر / لایت‌باکس / جزئیات محصول / کادر خرید /
   معرفی محصول / نظرات کاربران / اسلایدر محصولات مرتبط
=================================================================== */

/* ===================================================================
   صفحه محصول — بخش بالایی (گالری + جزئیات + کادر خرید)
=================================================================== */
.product-top{
  padding: 32px 32px 8px;
}

.product-top-grid{
  display: grid;
  grid-template-columns: 420px 1fr 360px;
  gap: 32px;
  align-items: start;
}

/* --- گالری --- */
.gallery-main{
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--surface-raised);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: zoom-in;
  transition: box-shadow .25s ease;
}

.gallery-main:hover{
  box-shadow: 0 0 0 3px var(--ember-blue-soft);
}

.gallery-main-img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .35s ease;
}

.gallery-main:hover .gallery-main-img{
  transform: scale(1.06);
}

.gallery-zoom-hint{
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border-soft);
  padding: 6px 12px;
  border-radius: 999px;
  opacity: 0;
  transition: opacity .2s ease;
  pointer-events: none;
}

.gallery-main:hover .gallery-zoom-hint{ opacity: 1; }

.gallery-thumbs{
  display: flex;
  gap: 10px;
  margin-top: 12px;
  overflow-x: auto;
}

.gallery-thumb{
  flex: 0 0 auto;
  width: 72px;
  height: 72px;
  padding: 0;
  overflow: hidden;
  background: var(--surface-raised);
  border: 2px solid var(--border-soft);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color .2s ease;
}

.gallery-thumb-img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-thumb:hover{ border-color: var(--gold-dim); }

.gallery-thumb.is-active{
  border-color: var(--gold);
}

/* --- جزئیات محصول --- */
.product-category{
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.product-full-title{
  font-size: 25px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.6;
  margin: 10px 0 30px;
}

.spec-table{ display: flex; flex-direction: column; border-top: 1px solid var(--border-soft); }

.spec-row{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 2px;
  border-bottom: 1px solid var(--border-soft);
}

.spec-label{ font-size: 13.5px; font-weight: 600; color: var(--text-muted); }
.spec-value{ font-size: 13.5px; font-weight: 700; color: var(--text); }

/* --- کادر خرید --- */
.buy-box{
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 22px;
  position: sticky;
  top: 96px;
  box-shadow: 0 8px 22px rgba(20,30,40,0.06);
}

.buy-box-warning{
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.9;
  color: var(--price-red);
  background: rgba(229,72,77,0.08);
  padding: 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
}

.buy-box-warning i{ margin-top: 2px; flex-shrink: 0; }

.buy-box-prices{ margin-bottom: 18px; }

.price-row{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 0;
  transition: opacity .2s ease;
}

.price-row-label{ font-size: 12.5px; color: var(--text-muted); font-weight: 500; }
.price-row-value{ font-size: 16px; font-weight: 800; color: var(--price-red); }
.price-row-value small{ font-size: 11px; font-weight: 400; color: var(--text-muted); }

.price-row-muted{ opacity: 0.55; }
.price-row-muted .price-row-value{ font-size: 13px; }

.package-type{ margin-bottom: 18px; }

.package-type-label{
  display: block;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.package-type-options{
  display: flex;
  gap: 6px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 4px;
}

.package-option{
  flex: 1;
  padding: 10px 6px;
  text-align: center;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: background .2s ease, color .2s ease;
}

.package-option.is-active{ background: var(--gold); color: #ffffff; }

.buy-box-qty-row{
  display: flex;
  align-items: stretch;
  gap: 8px;
  margin-bottom: 14px;
}

.qty-stepper{
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0 10px;
  flex-shrink: 0;
}

.qty-btn{
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  border-radius: 50%;
  font-size: 10px;
  transition: background .2s ease, color .2s ease;
}

.qty-btn:hover{ background: var(--ember-blue-soft); color: var(--gold-dim); }

.qty-value{ font-size: 14px; font-weight: 700; color: var(--text); min-width: 16px; text-align: center; }

.add-to-cart-main-btn{
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--gold);
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: background .2s ease;
}

.add-to-cart-main-btn:hover{ background: var(--gold-dim); }

.add-wishlist-btn{
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  padding: 11px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  transition: border-color .2s ease, color .2s ease;
}

.add-wishlist-btn:hover{ border-color: var(--gold-dim); color: var(--gold-dim); }

.add-wishlist-btn.is-active{ color: #e0577a; border-color: #e0577a; }

.guarantee-box{
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text);
  background: var(--ember-blue-soft);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.guarantee-box i{ color: var(--gold-dim); }

.sold-by{ font-size: 12px; color: var(--text-muted); text-align: center; }
.sold-by strong{ color: var(--text); }

/* ===================================================================
   لایت‌باکس بزرگ‌نمایی تصویر گالری
=================================================================== */
.lightbox-overlay{
  position: fixed;
  inset: 0;
  background: rgba(10,14,18,0.86);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease;
}

.lightbox-overlay.is-open{ opacity: 1; visibility: visible; }

.lightbox-content{
  position: relative;
  width: min(520px, 86vw);
  aspect-ratio: 1 / 1;
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.lightbox-img{
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.lightbox-close{
  position: absolute;
  top: -46px;
  left: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  color: #ffffff;
  font-size: 16px;
  transition: background .2s ease;
}

.lightbox-close:hover{ background: rgba(255,255,255,0.22); }

/* ===================================================================
   معرفی محصول
=================================================================== */
.product-description{ padding: 48px 32px; }

.description-text p{
  font-size: 14px;
  color: var(--text-muted);
  line-height: 2.1;
  margin-bottom: 16px;
}

.legal-warning{
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 12.5px;
  font-weight: 500;
  line-height: 1.9;
  color: var(--text-muted);
  background: var(--surface-raised);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-top: 8px;
}

.legal-warning i{ color: var(--price-red); margin-top: 2px; flex-shrink: 0; }

/* ===================================================================
   نظرات کاربران
=================================================================== */
.product-reviews{ padding: 0 32px 56px; }

.review-list{ display: flex; flex-direction: column; gap: 20px; margin-bottom: 36px; }

.review-item{
  width: 80%;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}

.review-head{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.review-user{ display: flex; align-items: center; gap: 10px; }

.review-avatar{
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gold);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
}

.review-avatar-admin{ background: var(--gold-dim); }

.review-username{ font-size: 13.5px; font-weight: 700; color: var(--text); }
.review-date{ font-size: 11px; color: var(--text-faint); margin-top: 2px; }

.review-stars{
  flex-shrink: 0;
  display: flex;
  gap: 2px;
  color: #e8b23d;
  font-size: 12.5px;
}

.review-stars .fa-regular{ color: var(--border); }

.review-text{ font-size: 13.5px; color: var(--text-muted); line-height: 1.95; }

.review-reply{
  display: flex;
  gap: 10px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--border-soft);
}

.reply-badge{
  font-size: 10px;
  font-weight: 700;
  color: var(--gold-dim);
  background: var(--ember-blue-soft);
  padding: 2px 8px;
  border-radius: 999px;
  margin-right: 6px;
}

/* --- فرم ثبت دیدگاه --- */
.review-form-box{
  background: var(--surface-raised);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.review-form-box h3{ font-size: 15px; font-weight: 800; color: var(--text); margin-bottom: 16px; }

.review-form{ display: flex; flex-direction: column; gap: 14px; }

.review-input,
.review-textarea{
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-family: inherit;
  font-size: 13.5px;
  color: var(--text);
  background: var(--surface);
  outline: none;
  transition: border-color .2s ease;
}

.review-input:focus,
.review-textarea:focus{ border-color: var(--gold-dim); }

.review-textarea{ min-height: 110px; resize: vertical; }

.review-rating-field{ display: flex; align-items: center; gap: 12px; }

.review-rating-field-label{ font-size: 13px; font-weight: 600; color: var(--text-muted); }

.review-rating-input{ display: flex; gap: 6px; font-size: 21px; color: var(--border); cursor: pointer; }

.review-rating-input i{ transition: color .15s ease, transform .15s ease; }
.review-rating-input i:hover{ transform: scale(1.15); }
.review-rating-input i.is-filled{ color: #e8b23d; }

.review-submit-btn{
  align-self: flex-start;
  background: var(--gold);
  color: #ffffff;
  font-size: 13.5px;
  font-weight: 700;
  padding: 11px 28px;
  border-radius: var(--radius-md);
  transition: background .2s ease;
}

.review-submit-btn:hover{ background: var(--gold-dim); }

/* ===================================================================
   محصولات مرتبط — اسلایدر گرب‌اند‌درگ
=================================================================== */
.related-products{ padding: 8px 32px 64px; }

.related-slider-wrap{
  direction: ltr; /* برای رفتار قابل‌پیش‌بینیِ scrollLeft (صفحه کلاً RTL است) */
  overflow-x: auto;
  overflow-y: hidden;
  cursor: grab;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.related-slider-wrap::-webkit-scrollbar{ display: none; }

.related-slider-wrap.is-dragging{ cursor: grabbing; }

.related-slider-track{
  direction: rtl; /* محتوای فارسی داخل کارت‌ها درست نمایش داده شود */
  display: flex;
  gap: 16px;
  width: max-content;
  user-select: none;
}

.related-slider-track .product-card{
  width: 230px;
  flex: 0 0 auto;
  -webkit-user-drag: none;
}

.related-slider-track .product-card img{ -webkit-user-drag: none; }

/* یک نسخه‌ی محافظ اینجا هم گذاشته شده، برای اطمینان از نمایش درست
   عکس روی کارت‌های همین اسلایدر، حتی اگر در style.css تعریف نشده باشد */
.product-img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ===================================================================
   ریسپانسیو — صفحه محصول
=================================================================== */
@media (max-width: 1100px){
  .product-top-grid{ grid-template-columns: 360px 1fr 320px; gap: 24px; }
}

@media (max-width: 960px){
  .product-top-grid{ grid-template-columns: 1fr; gap: 28px; }
  .buy-box{ position: static; }
  .review-item{ width: 100%; }
}

@media (max-width: 768px){
  .product-top{ padding: 20px 16px 4px; }
  .product-description{ padding: 32px 16px; }
  .product-reviews{ padding: 0 16px 40px; }
  .related-products{ padding: 0 16px 48px; }

  .product-full-title{ font-size: 19px; margin-bottom: 20px; }

  .gallery-thumb{ width: 60px; height: 60px; }

  .related-slider-track .product-card{ width: 170px; }

  .review-head{ flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* --- پاسخ به دیدگاه (توسط فروشگاه یا سایر کاربران) --- */
.review-reply-toggle-btn{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--gold-dim);
  padding: 4px 2px;
  transition: color .2s ease;
}

.review-reply-toggle-btn:hover{ color: var(--gold); }

.review-reply-form{
  display: none;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
  padding: 14px;
  background: var(--surface-raised);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
}

.review-reply-form.is-open{ display: flex; }

.review-reply-username,
.review-reply-text{
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-family: inherit;
  font-size: 12.5px;
  color: var(--text);
  background: var(--surface);
  outline: none;
  transition: border-color .2s ease;
}

.review-reply-username:focus,
.review-reply-text:focus{ border-color: var(--gold-dim); }

.review-reply-text{ min-height: 70px; resize: vertical; }

.review-reply-submit-btn{
  align-self: flex-start;
  background: var(--gold);
  color: #ffffff;
  font-size: 12.5px;
  font-weight: 700;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  transition: background .2s ease;
}

.review-reply-submit-btn:hover{ background: var(--gold-dim); }