/* Shared source-matched silhouette trigger. */
.draw-in-trigger {
  display: grid;
  place-items: center;
  width: 68px;
  height: 44px;
  flex: none;
  cursor: pointer;
  padding: 2px;
  border: 0;
  border-radius: 8px;
  background: transparent;
}

.draw-in-trigger[hidden] { display: none; }

.draw-in-trigger svg {
  display: block;
  width: 58px;
  height: 32px;
  overflow: visible;
  color: #000;
  fill: currentColor;
  opacity: 1;
  transition: transform 180ms ease;
}

.draw-in-trigger:hover svg { transform: scale(1.06); }

.draw-in-trigger:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

/* Dedicated full-screen illustration overlay. */
.draw-in-overlay {
  position: fixed;
  z-index: 2000;
  inset: 0;
  width: 100vw;
  height: 100%;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  overflow: hidden;
  background: transparent;
  visibility: hidden;
  opacity: 0;
  transition: opacity 560ms ease, visibility 0s linear 560ms;
}

.draw-in-overlay::backdrop { background: transparent; }

.draw-in-overlay.is-visible {
  visibility: visible;
  opacity: 1;
  transition-delay: 0s;
}

.draw-in-overlay-dismiss {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: max(18px, env(safe-area-inset-top, 0px))
    max(12px, env(safe-area-inset-right, 0px))
    max(18px, env(safe-area-inset-bottom, 0px))
    max(12px, env(safe-area-inset-left, 0px));
  border: 0;
  place-items: center;
  background: rgb(244 247 233 / 38%);
  cursor: zoom-out;
}

body.draw-in-overlay-open .site-dialog::backdrop {
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

/* Keep the subject control beside Close without squeezing the popup title. */
.site-dialog-header .site-dialog-actions {
  display: flex;
  flex: none;
  align-items: center;
  gap: 8px;
}

@media (max-width: 480px) {
  .site-dialog-header:has(.draw-in-trigger) { flex-wrap: wrap; gap: 8px; }
  .site-dialog-header .site-dialog-actions { margin-left: auto; }
}

.draw-in-overlay-art {
  --art-ratio: 1;
  display: block;
  position: relative;
  width: min(96vw, calc(92vh * var(--art-ratio)), 1800px);
  width: min(96vw, calc(92svh * var(--art-ratio)), 1800px);
  max-width: 100%;
  aspect-ratio: var(--art-ratio);
  contain: paint;
  pointer-events: none;
  user-select: none;
}

.draw-in-linework,
.draw-in-raster {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
  user-select: none;
}

.draw-in-linework {
  opacity: 1;
  transform: translateZ(0);
  will-change: opacity;
}

.draw-in-raster {
  object-fit: contain;
  opacity: 0;
}

/* Readiness-gated: these timelines begin only after parsed marks are ready. */
.draw-in-overlay.is-visible.is-drawing .draw-in-linework {
  animation: draw-in-linework-settle 4400ms linear forwards;
}

.draw-in-overlay.is-visible.is-drawing .draw-in-raster {
  animation: draw-in-raster-settle 4400ms ease-out forwards;
}

@keyframes draw-in-linework-settle {
  0%, 72% { opacity: 1; }
  100% { opacity: 0; }
}

@keyframes draw-in-raster-settle {
  0%, 66% { opacity: 0; }
  100% { opacity: .88; }
}

@media (pointer: coarse) {
  .draw-in-trigger { height: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  .draw-in-trigger svg,
  .draw-in-overlay,
  .draw-in-overlay-art { transition: none; }

  .draw-in-overlay.is-visible .draw-in-linework,
  .draw-in-overlay.is-visible .draw-in-raster { animation: none; }

  .draw-in-overlay.is-visible .draw-in-linework { display: none; }
  .draw-in-overlay.is-visible .draw-in-raster { opacity: .88; }
}