/* Fixed 1920×1080 design canvas — scenes never reflow per device */

#scene-root > *,
.game-frame,
.eq-stage-screen,
.intro-scene,
.corridor-stage-screen,
.home-screen,
.s33-viewport {
  box-sizing: border-box;
}

#scene-root > * {
  position: absolute;
  left: 0;
  top: 0;
  width: 1920px;
  height: 1080px;
  overflow: hidden;
}

/* Shared inventory tool panels must not inherit the full-scene canvas box. */
#scene-root > .eq-tool-input-panel {
  left: calc(36px + var(--eq-inventory-width, 68px) + 16px);
  top: 50%;
  width: min(400px, calc(100% - 156px));
  max-width: 400px;
  height: auto;
  overflow: visible;
  transform: translateY(-50%);
}

.game-frame,
.eq-stage-screen,
.intro-scene,
.corridor-stage-screen,
.home-screen {
  position: absolute;
  left: 0;
  top: 0;
  width: 1920px;
  height: 1080px;
  overflow: hidden;
}

.stage2-screen,
.stage3-screen,
.stage4-screen,
.s51-stage,
.s62-screen,
.s635-screen,
.s44-runner-main,
.science-lab-stage {
  position: absolute;
  left: 0;
  top: 0;
  width: 1920px;
  height: 1080px;
  overflow: hidden;
}

#portrait-lock-overlay {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: rgba(0, 0, 0, 0.88);
  color: #eefcff;
  text-align: center;
  pointer-events: all;
}

#portrait-lock-overlay.hidden {
  display: none !important;
}

#portrait-lock-overlay p {
  margin: 0;
  max-width: 420px;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: -0.02em;
}