:root {
  --primary-color: #ffcc00;
  --secondary-color: #28a745;
  --text-color: #f5f7fb;
  --muted: #9aa4b2;
  --background-color: #0b0b0d;
  --panel-bg: #151d28;
  --card-bg: #1a1a1e;
  --gold-accent: #ffcc00;
  --radius: 12px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.8);
}

body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.product-gallery {
  background: transparent;
  padding: 1rem;
  border-radius: var(--radius);
  text-align: center;
  position: relative;
}

.main-image {
  background: #e9ecef;
  border-radius: 14px;
  border: none;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: transform .3s ease, box-shadow .3s ease;
  height: 500px;
  overflow: hidden;
  position: relative;
}

.main-image .carousel,
.main-image .carousel-inner,
.main-image .carousel-item {
  height: 100%;
}

.main-image .carousel-item img {
  height: 500px;
  width: 100%;
  object-fit: contain;
  display: block;
  mix-blend-mode: multiply;
  padding: 2.5rem;
}

/* Estilos para controles del Carousel */
.carousel-control-prev,
.carousel-control-next {
  width: 10%;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.main-image:hover .carousel-control-prev,
.main-image:hover .carousel-control-next {
  opacity: 1;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
  background-color: var(--primary-color);
  border-radius: 50%;
  background-size: 60%;
  padding: 1.5rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.carousel-indicators li {
  background-color: var(--muted);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  margin: 0 5px;
}

.carousel-indicators .active {
  background-color: var(--primary-color);
}

.thumbnail-images {
  display: flex;
  gap: .6rem;
  margin-top: 1rem;
  justify-content: flex-start;
  padding-left: .2rem;
}

.thumbnail-images img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 6px;
  border: 2px solid transparent;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.6);
  transition: transform .18s ease, border-color .18s ease;
}

.thumbnail-images img.active-thumb {
  transform: scale(1.05);
  border-color: var(--primary-color);
}

.thumbnail-images img:hover {
  transform: scale(1.1);
  border-color: var(--primary-color);
}

.right-column {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.product-info {
  background: transparent;
}

.product-title {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: .6px;
  color: var(--text-color);
  margin: 0 0 .4rem 0;
}

.product-short-description {
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 1rem;
  line-height: 1.4;
}

.product-price {
  margin-bottom: 1rem;
}

.price-row {
  display: flex;
  justify-content: flex-start;
  gap: .8rem;
  align-items: baseline;
}

.label {
  color: var(--muted);
  font-size: .95rem;
  min-width: 230px;
}

.price-value {
  color: var(--gold-accent);
  font-size: 1.4rem;
  font-weight: 700;
}

.actions {
  display: flex;
  gap: 1rem;
  margin-top: .9rem;
  align-items: center;
}

.actions .btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .7rem 1.1rem;
  border-radius: 8px;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  transition: transform .12s ease, opacity .12s ease;
}

.actions .btn.add-to-cart {
  background: linear-gradient(180deg, var(--primary-color), #e60f6a);
}

.actions .btn.contact {
  background: linear-gradient(180deg, var(--secondary-color), #1c8f3a);
}

.actions .btn:hover {
  transform: translateY(-3px);
  opacity: .95;
}

.product-tabs {
  width: 100%;
  margin-top: 1rem;
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
}

.tab-nav {
  display: flex;
  border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.tab-link {
  padding: 1rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  background: transparent;
  border: none;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
  margin-bottom: -2px;
}

.tab-link:hover {
  color: var(--text-color);
}

.tab-link.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.tab-content {
  padding: 1.5rem;
}

.tab-pane {
  display: none;
  color: var(--muted);
  line-height: 1.5;
}

.tab-pane.active {
  display: block;
}

.tab-pane .specs {
  margin: 1rem 0 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: .95rem;
}

.tab-pane .specs li {
  padding: .35rem 0;
  border-top: 1px dashed #333;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-color);
  text-align: center;
  margin: 3.5rem 0 2rem 0;
  border-bottom: 2px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 0.5rem;
}

.related-products {
  padding-top: 1rem;
  padding-bottom: 2rem;
}

.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-container {
  position: relative;
  width: 85vw;
  height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-container img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.7);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #fff;
  font-size: 2rem;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1002;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.lightbox-close:hover {
  background: var(--primary-color);
  transform: scale(1.1);
}

.lightbox-close:active {
  transform: scale(1);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #fff;
  font-size: 2.5rem;
  cursor: pointer;
  z-index: 1001;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-50%) scale(1.05);
}

.lightbox-nav:active {
  transform: translateY(-50%) scale(1);
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

@media (max-width: 900px) {
  .product-detail {
    grid-template-columns: 1fr;
  }

  .label {
    min-width: 0;
    display: block;
  }

  .lightbox-nav {
    font-size: 2rem;
    padding: 0.3rem 0.8rem;
  }

  .lightbox-close {
    font-size: 1.8rem;
    width: 40px;
    height: 40px;
    top: 10px;
    right: 10px;
  }
}