.illustrationboard-viewer {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(8,4,1,0.97);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}

.illustrationboard-viewer.open { opacity: 1; pointer-events: all; }

.illustrationboard-close {
  position: absolute;
  top: 18px;
  right: 22px;
  font-size: 1.3rem;
  color: rgba(200,169,122,0.45);
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.15s;
  font-family: 'Courier Prime', monospace;
}

.illustrationboard-close:hover { color: var(--parchment); }

.illustrationboard-viewport {
  overflow: hidden;
  width: 90vw;
  height: 78vh;
  cursor: zoom-in;
  position: relative;
}

.illustrationboard-viewport.panning { cursor: grab; }
.illustrationboard-viewport.panning:active { cursor: grabbing; }

.illustrationboard-viewport img {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  max-width: none;
  max-height: none;
  width: auto;
  height: auto;
  object-fit: unset;
  image-rendering: auto;
  transform-origin: 0 0;
  user-select: none;
  pointer-events: none;
  box-shadow: 0 16px 70px rgba(0,0,0,0.9);
  border: 1px solid rgba(200,169,122,0.1);
}

.illustrationboard-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

.illustrationboard-btn {
  font-family: 'Courier Prime', monospace;
  font-size: 0.8rem;
  padding: 5px 13px;
  border: 1px solid rgba(200,169,122,0.28);
  background: transparent;
  color: var(--parchment);
  cursor: pointer;
  border-radius: 2px;
  transition: background 0.15s;
  letter-spacing: 0.08em;
}

.illustrationboard-btn:hover { background: rgba(200,169,122,0.1); }

.illustrationboard-track {
  width: 140px;
  height: 2px;
  background: rgba(200,169,122,0.18);
  border-radius: 2px;
  position: relative;
  cursor: pointer;
}

.illustrationboard-thumb {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  width: 8px;
  height: 8px;
  background: var(--parchment-dark);
  border-radius: 50%;
  pointer-events: none;
}

.illustrationboard-label {
  font-size: 0.7rem;
  color: rgba(200,169,122,0.45);
  letter-spacing: 0.1em;
  width: 54px;
  text-align: center;
}