/* ============================================================
   Modal & Lightbox
   Product detail overlay + image lightbox.
   ============================================================ */
.product-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 18, 39, 0.78);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 300ms ease,
    visibility 300ms ease;
}
.product-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}
.product-modal {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  max-width: 960px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.32);
  transform: translateY(20px);
  transition: transform 300ms ease;
}
.product-modal-overlay.open .product-modal {
  transform: translateY(0);
}
.product-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 36px 36px 0;
  position: sticky;
  top: 0;
  background: var(--color-surface);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  z-index: 1;
}
.product-modal-header h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.product-modal-close {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--color-text-secondary);
  transition: all 200ms ease;
  flex-shrink: 0;
}
.product-modal-close:hover {
  background: var(--color-text);
  color: #fff;
  border-color: var(--color-text);
}
.product-modal-body {
  padding: 28px 36px 36px;
}
.product-modal-intro {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 28px;
}
.product-modal-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}
.product-modal-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    transform 200ms ease,
    box-shadow 200ms ease;
}
.product-modal-gallery img:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-md);
}
.product-modal-specs {
  margin-bottom: 28px;
}
.product-modal-specs h4 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 14px;
}
.product-modal-specs table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.product-modal-specs th,
.product-modal-specs td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
}
.product-modal-specs th {
  background: var(--color-bg);
  font-weight: 600;
  color: var(--color-text);
  border-radius: 4px;
}
.product-modal-specs td {
  color: var(--color-text-secondary);
}
.product-modal-specs tr:hover td {
  background: var(--color-bg);
}
.product-modal-apps {
  margin-bottom: 28px;
}
.product-modal-apps h4 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}
.product-modal-apps ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.product-modal-apps li {
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
}
.product-modal-package {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Image lightbox */
.product-lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 18, 39, 0.94);
  backdrop-filter: blur(12px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 250ms ease,
    visibility 250ms ease;
  cursor: pointer;
}
.product-lightbox-overlay.open {
  opacity: 1;
  visibility: visible;
}
.product-lightbox-overlay img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
  cursor: default;
}

@media (max-width: 768px) {
  .product-modal-overlay {
    padding: 16px;
    align-items: flex-end;
  }
  .product-modal {
    max-height: 85vh;
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  }
  .product-modal-header {
    padding: 24px 24px 0;
  }
  .product-modal-header h3 {
    font-size: 22px;
  }
  .product-modal-body {
    padding: 20px 24px 24px;
  }
  .product-modal-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}