*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  overflow: hidden;
  background: #1d223b;
  overscroll-behavior: none;
}

.wall {
  position: fixed;
  inset: 0;
  cursor: grab;
  user-select: none;
  touch-action: none;
  overscroll-behavior: none;
}

.wall.is-dragging {
  cursor: grabbing;
}

.stage {
  position: absolute;
  left: 0;
  top: 0;
  will-change: transform;
  padding: clamp(24px, 4vw, 64px);
}

.grid {
  display: grid;
  grid-template-columns: repeat(10, minmax(120px, 1fr));
  grid-auto-rows: minmax(100px, 140px);
  gap: clamp(12px, 1.8vw, 24px);
}

.tile {
  border-radius: 16px;
  background: #479fd9;
  transform: translate3d(var(--tx, 0px), var(--ty, 0px), 0);
  will-change: transform;
}

.tile--1x1 {
  grid-column: span 1;
  grid-row: span 1;
}

.tile--2x1 {
  grid-column: span 2;
  grid-row: span 1;
}

.tile--1x2 {
  grid-column: span 1;
  grid-row: span 2;
}

.tile--2x2 {
  grid-column: span 2;
  grid-row: span 2;
}

#debugHud {
  position: fixed;
  top: 12px;
  left: 12px;
  padding: 10px;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 12px;
  border-radius: 10px;
  z-index: 9999;
  white-space: pre;
}