* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-base);
  color: var(--text-main);
  font-family: var(--font-stack);
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
  position: relative;
  touch-action: none;
  transition: background-color 0.8s ease;
}

#focus-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  display: block;
}

.ambient-sky {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
  background: radial-gradient(circle at 50% 30%, var(--accent-glow-subtle) 0%, transparent 65%);
  transition: background 0.8s ease;
}

.hud-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: calc(14px + env(safe-area-inset-top, 0px)) 18px calc(14px + env(safe-area-inset-bottom, 0px));
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.hud-layer.idle-dim {
  opacity: 0.18;
}
.hud-layer.idle-dim:hover {
  opacity: 1;
}

.hud-interactive {
  pointer-events: auto;
}