/* Curtain hero — drape panels + slider */

.ph-studio--curtain .ph-studio__stage {
  aspect-ratio: 16 / 11;
}

.ph-curtain__panel {
  position: absolute;
  top: 0;
  bottom: 0;
  width: calc(var(--curtain-closed, 75) * 0.5 * 1%);
  background:
    linear-gradient(90deg, rgba(12, 16, 24, 0.94), rgba(22, 28, 38, 0.88)),
    repeating-linear-gradient(90deg, transparent, transparent 8px, rgba(255, 255, 255, 0.03) 8px, rgba(255, 255, 255, 0.03) 10px);
  backdrop-filter: blur(2px);
  transition: width 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 2;
}

.ph-curtain__panel--left {
  left: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.ph-curtain__panel--right {
  right: 0;
  border-left: 1px solid rgba(255, 255, 255, 0.06);
}

.ph-curtain__light {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 55% 70% at 50% 40%, rgba(255, 220, 160, 0.22), transparent 65%);
  opacity: calc(1 - var(--curtain-closed, 75) / 100);
  pointer-events: none;
  z-index: 1;
  transition: opacity 0.55s ease;
}

.ph-curtain__slider-wrap {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.75rem 0.95rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(6, 8, 14, 0.55);
}

.ph-curtain__slider-label {
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--silver-dim);
  flex-shrink: 0;
}

.ph-curtain__slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 999px;
  background: rgba(110, 181, 255, 0.18);
  outline: none;
}

.ph-curtain__slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--blue-bright);
  box-shadow: 0 0 12px rgba(59, 139, 255, 0.35);
  cursor: pointer;
}

.ph-curtain__slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--blue-bright);
  box-shadow: 0 0 12px rgba(59, 139, 255, 0.35);
  cursor: pointer;
}

html[data-theme="light"] .ph-curtain__slider-wrap {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(0, 0, 0, 0.08);
}

.ph-studio--curtain.is-scene-sunrise .ph-curtain__light {
  background: radial-gradient(ellipse 60% 75% at 50% 35%, rgba(255, 200, 120, 0.38), transparent 68%);
}

.ph-studio--curtain.is-scene-cinema .ph-studio__img {
  filter: brightness(0.52) saturate(0.85);
  transition: filter 0.6s ease;
}

.ph-studio--curtain.is-scene-remote .ph-studio__stage {
  box-shadow: 0 0 0 2px rgba(110, 181, 255, 0.35), 0 20px 44px rgba(0, 0, 0, 0.4);
  transition: box-shadow 0.45s ease;
}

.ph-studio--curtain .ph-studio__img {
  transition: filter 0.6s ease;
}