/* ==========================================================================
   Виджет диафрагмы в экране тренажёра (эксперимент)

   ROLLBACK: удалить этот файл и <link> из phototrainer.html,
   а также createApertureOverlay из main.js / aperture-overlay.js
   ========================================================================== */

.pt-aperture-overlay {
  position: absolute;
  top: 0.55rem;
  left: 0.55rem;
  z-index: 3;
  width: clamp(3.4rem, 16%, 5.25rem);
  aspect-ratio: 1;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.92);
  transition:
    opacity 220ms ease,
    transform 260ms cubic-bezier(0.22, 1, 0.36, 1),
    visibility 220ms;
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.45));
}

.pt-aperture-overlay.is-visible {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.pt-aperture-overlay__svg {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: transparent;
}

.pt-aperture-overlay__ring {
  fill: none;
  stroke: rgba(180, 196, 206, 0.55);
  stroke-width: 3;
}

.pt-aperture-overlay__ring--inner {
  stroke: rgba(255, 255, 255, 0.22);
  stroke-width: 1.5;
}

.pt-aperture-overlay__blade {
  fill: url(#pt-blade-grad);
  stroke: rgba(180, 196, 206, 0.28);
  stroke-width: 1.1;
}

.pt-aperture-overlay__label {
  position: absolute;
  left: 50%;
  bottom: -0.05rem;
  transform: translate(-50%, 100%);
  margin-top: 0.15rem;
  padding: 0.12rem 0.35rem;
  border-radius: 999px;
  background: rgba(10, 13, 18, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(223, 230, 236, 0.92);
  font-family: var(--pt-mono, ui-monospace, monospace);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1;
  white-space: nowrap;
}

.phototrainer__camera-screen.is-capture-open .pt-aperture-overlay {
  opacity: 0 !important;
  visibility: hidden !important;
}

@media (max-width: 720px) {
  .pt-aperture-overlay {
    width: clamp(3rem, 18%, 4.4rem);
    top: 0.4rem;
    left: 0.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pt-aperture-overlay {
    transition: none;
  }
}