.customizer-layout {
  grid-template-columns: minmax(0, 1.12fr) minmax(340px, 0.88fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.customizer-visuals { min-width: 0; }

.customizer-stage {
  min-height: 680px;
  background:
    radial-gradient(circle at 50% 38%, rgba(109,44,255, 0.13), transparent 38%),
    linear-gradient(145deg, rgba(23, 25, 35, 0.92), rgba(7, 8, 13, 0.98));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 28px 75px rgba(0, 0, 0, 0.4);
}

.customizer-stage #productImage {
  width: 100%;
  height: 100%;
  padding: 18px;
  object-fit: contain;
  transition: opacity 0.22s ease, transform 0.42s ease;
}

.customizer-stage:hover #productImage { transform: scale(1.015); }

.customizer-stage .preview-layer {
  left: 50%;
  top: 50%;
  width: 46%;
  max-width: none;
  max-height: 48%;
  transform: translate(-50%, -50%);
  object-fit: contain;
  pointer-events: none;
  transition: width 0.22s ease, top 0.22s ease, opacity 0.22s ease;
}

.customizer-stage .preview-layer:not([src]) { display: none; }

.customizer-stage .preview-layer.template-engraving {
  filter: invert(1) grayscale(1) contrast(2.35) brightness(1.04);
  mix-blend-mode: multiply;
  opacity: 0.9;
}

.customizer-stage .design-text {
  left: 50%;
  top: 72%;
  transform: translate(-50%, -50%);
  max-width: 64%;
  text-align: center;
  white-space: normal;
  pointer-events: none;
}

.product-view-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 11px;
  margin-top: 12px;
}

.product-view-button {
  position: relative;
  min-height: 112px;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
}

.product-view-button img { display: block; width: 100%; height: 112px; object-fit: cover; }
.product-view-button span { position: absolute; left: 8px; bottom: 8px; padding: 4px 7px; border-radius: 999px; color: #fff; background: rgba(7, 8, 13, 0.76); font: 700 8px Orbitron, sans-serif; letter-spacing: 0.08em; }
.product-view-button.active { border-color: var(--gold); box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.12), 0 0 24px rgba(109,44,255, 0.14); }

.product-description { margin: -4px 0 20px; color: var(--muted); font-size: 13px; }

.quick-designs {
  margin-top: 18px;
  padding: 16px;
  border: 1px solid rgba(212, 175, 55, 0.22);
  border-radius: 15px;
  background: linear-gradient(145deg, rgba(212, 175, 55, 0.055), rgba(109,44,255, 0.045));
}

.quick-design-heading { display: flex; justify-content: space-between; align-items: end; gap: 12px; margin-bottom: 12px; }
.quick-design-heading b { display: block; color: #fff; font: 700 12px Orbitron, sans-serif; }
.quick-design-heading small { color: var(--muted); font-size: 9px; }

.quick-design-card {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 12px;
  align-items: center;
  width: 100%;
  padding: 9px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 12px;
  color: #fff;
  text-align: left;
  background: rgba(8, 9, 14, 0.78);
}

.quick-design-card img { display: block; width: 112px; height: 72px; object-fit: cover; border-radius: 8px; filter: grayscale(1) contrast(1.12); }
.quick-design-card b, .quick-design-card small { display: block; }
.quick-design-card b { font: 700 11px Orbitron, sans-serif; }
.quick-design-card small { margin-top: 5px; color: var(--muted); font-size: 9px; }
.quick-design-card:hover, .quick-design-card.active { border-color: var(--gold); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28), 0 0 22px rgba(109,44,255, 0.12); }

.preview-adjustments { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.preview-adjustments input { width: 100%; accent-color: var(--gold); }
.design-selection-status { min-height: 20px; margin: 10px 0 0; color: var(--gold-soft); font-size: 10px; }
.clear-design { min-height: 34px; margin-top: 9px; padding: 0 11px; font-size: 10px; }

html[data-theme="light"] .quick-designs { border-color: rgba(77, 52, 0, 0.18); background: rgba(255, 255, 255, 0.52); }
html[data-theme="light"] .quick-design-heading b { color: #161821; }
html[data-theme="light"] .quick-design-card { color: #161821; background: rgba(255, 255, 255, 0.82); }

@media (max-width: 900px) {
  .customizer-layout { grid-template-columns: 1fr; }
  .customizer-stage { min-height: 620px; }
}

@media (max-width: 620px) {
  .customizer-stage { min-height: 490px; }
  .product-view-button, .product-view-button img { min-height: 90px; height: 90px; }
  .quick-design-card { grid-template-columns: 92px 1fr; }
  .quick-design-card img { width: 92px; height: 66px; }
  .preview-adjustments { grid-template-columns: 1fr; }
}