/* ══════════════════════════════════════
   PRODUCT LIGHTBOX — Unified Component
   Light + Dark theme, 80/20 layout
══════════════════════════════════════ */

/* ── Theme variables (light default) ── */
:root {
  --plb-backdrop: rgba(0, 0, 0, 0.7);
  --plb-container-bg: #ffffff;
  --plb-container-shadow: 0 24px 80px rgba(0, 0, 0, 0.25);
  --plb-image-area-bg: #f4f6f8;
  --plb-nav-bg: rgba(0, 0, 0, 0.08);
  --plb-nav-bg-hover: rgba(0, 0, 0, 0.18);
  --plb-nav-color: #333;
  --plb-thumb-active-border: #417690;
  --plb-counter-color: #6b7685;
  --plb-info-color: #333;
  --plb-sku-color: #1a1a1a;
  --plb-sku-border: #e0e4e8;
  --plb-label-color: #6b7685;
  --plb-value-color: #222;
  --plb-row-border: #eef0f3;
  --plb-desc-border: #e0e4e8;
  --plb-desc-color: #555;
  --plb-close-bg: #c2222c;
  --plb-close-bg-hover: #c2222c;
}

/* ── Dark theme ── */
[data-bs-theme="dark"],
[data-theme="dark"],
.dark {
  --plb-backdrop: rgba(0, 0, 0, 0.85);
  --plb-container-bg: #1a1f2b;
  --plb-container-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
  --plb-image-area-bg: #111620;
  --plb-nav-bg: rgba(255, 255, 255, 0.12);
  --plb-nav-bg-hover: rgba(255, 255, 255, 0.25);
  --plb-nav-color: #fff;
  --plb-thumb-active-border: #4da3ff;
  --plb-counter-color: #8b95a5;
  --plb-info-color: #c9d1d9;
  --plb-sku-color: #ffffff;
  --plb-sku-border: #2d3548;
  --plb-label-color: #8b95a5;
  --plb-value-color: #e6edf3;
  --plb-row-border: #1e2636;
  --plb-desc-border: #2d3548;
  --plb-desc-color: #b0bac7;
  --plb-close-bg: #c2222c;
  --plb-close-bg-hover: #c2222c;
}

/* Force dark on the overlay itself (for admin pages without data-bs-theme) */
.plb-overlay.plb-dark {
  --plb-backdrop: rgba(0, 0, 0, 0.85);
  --plb-container-bg: #1a1f2b;
  --plb-container-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
  --plb-image-area-bg: #111620;
  --plb-nav-bg: rgba(255, 255, 255, 0.12);
  --plb-nav-bg-hover: rgba(255, 255, 255, 0.25);
  --plb-nav-color: #fff;
  --plb-thumb-active-border: #4da3ff;
  --plb-counter-color: #8b95a5;
  --plb-info-color: #c9d1d9;
  --plb-sku-color: #ffffff;
  --plb-sku-border: #2d3548;
  --plb-label-color: #8b95a5;
  --plb-value-color: #e6edf3;
  --plb-row-border: #1e2636;
  --plb-desc-border: #2d3548;
  --plb-desc-color: #b0bac7;
}

/* ── Overlay ── */
.plb-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.plb-overlay.plb-open {
  opacity: 1;
  pointer-events: auto;
}

/* ── Backdrop ── */
.plb-backdrop {
  position: absolute;
  inset: 0;
  background: var(--plb-backdrop);
  backdrop-filter: blur(6px);
}

/* ── Close button ── */
.plb-close {
  position: absolute;
  top: 16px;
  right: 20px;
  z-index: 10;
  background: var(--plb-close-bg);
  color: #fff;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.2s;
}
.plb-close:hover {
  background: var(--plb-close-bg-hover);
  transform: scale(1.1);
}

/* ── Main container: 80/20 two-column ── */
.plb-container {
  position: relative;
  z-index: 5;
  display: flex;
  gap: 24px;
  max-width: 95vw;
  max-height: 92vh;
  width: 95vw;
  padding: 24px;
  background: var(--plb-container-bg);
  border-radius: 16px;
  box-shadow: var(--plb-container-shadow);
  overflow-y: auto;
  transform: scale(0.92);
  transition: transform 0.25s ease;
}
.plb-open .plb-container {
  transform: scale(1);
}

/* ── Left: Images (80%) ── */
.plb-images {
  flex: 1 1 80%;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
}

/* Main image wrapper */
.plb-main-wrap {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--plb-image-area-bg);
  border-radius: 12px;
  padding: 12px;
  min-height: 350px;
  overflow: hidden;
}
.plb-main-img {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  border-radius: 8px;
  transition: transform 0.15s ease;
  cursor: zoom-in;
  user-select: none;
  -webkit-user-drag: none;
}
.plb-main-img.plb-zoomed {
  cursor: zoom-out;
}

/* ── Nav arrows ── */
.plb-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--plb-nav-bg);
  color: var(--plb-nav-color);
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.plb-nav:hover {
  background: var(--plb-nav-bg-hover);
}
.plb-prev { left: 8px; }
.plb-next { right: 8px; }

/* ── Thumbnails strip ── */
.plb-thumbs {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.plb-thumb {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.2s, border-color 0.2s, transform 0.2s;
}
.plb-thumb:hover {
  opacity: 0.9;
  transform: scale(1.05);
}
.plb-thumb.plb-thumb-active {
  opacity: 1;
  border-color: var(--plb-thumb-active-border);
}

/* ── Counter ── */
.plb-counter {
  margin-top: 8px;
  font-size: 13px;
  color: var(--plb-counter-color);
}

/* ── Right: Product info (20%) ── */
.plb-info {
  flex: 1 1 20%;
  min-width: 200px;
  max-width: 280px;
  color: var(--plb-info-color);
  overflow-y: auto;
  max-height: 80vh;
  padding-right: 8px;
}
.plb-sku {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--plb-sku-color);
  margin: 0 0 16px 0;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--plb-sku-border);
}

/* Detail rows */
.plb-detail-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--plb-row-border);
  gap: 8px;
}
.plb-label {
  color: var(--plb-label-color);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}
.plb-value {
  color: var(--plb-value-color);
  font-size: 0.9rem;
  text-align: right;
  word-break: break-word;
}

/* Description block */
.plb-desc {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--plb-desc-border);
}
.plb-desc .plb-label {
  display: block;
  margin-bottom: 6px;
}
.plb-desc-text {
  color: var(--plb-desc-color);
  font-size: 0.85rem;
  line-height: 1.6;
  margin: 0;
  max-height: 180px;
  overflow-y: auto;
}

/* ── Add to Order button ── */
.plb-add-to-order {
  display: block;
  width: 100%;
  margin-top: 16px;
  padding: 10px 16px;
  background: #c2222c;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: background 0.15s ease, transform 0.15s ease;
}
.plb-add-to-order:hover {
  background: #c2222c;
  transform: translateY(-1px);
}
.plb-add-to-order:disabled {
  background: #9b9b9b;
  cursor: not-allowed;
  transform: none;
}

/* ── No info panel mode ── */
.plb-container.plb-no-info .plb-info {
  display: none;
}
.plb-container.plb-no-info .plb-images {
  flex: 1 1 100%;
}

/* ── Responsive: stack on mobile ── */
@media (max-width: 768px) {
  .plb-container {
    flex-direction: column;
    gap: 16px;
    padding: 16px;
    max-height: 95vh;
    width: 98vw;
  }
  .plb-images {
    flex: none;
  }
  .plb-main-img {
    max-height: 40vh;
  }
  .plb-info {
    flex: none;
    max-width: none;
    max-height: none;
    min-width: 0;
  }
  .plb-sku {
    font-size: 1rem;
  }
  .plb-nav {
    width: 36px;
    height: 36px;
    font-size: 22px;
  }
  .plb-thumb {
    width: 48px;
    height: 48px;
  }
}