* {
  box-sizing: border-box;
}

html, body, #app {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
}

body {
  background: #171722;
  color: #fff;
  font-family: system-ui, -apple-system, "Noto Sans KR", sans-serif;
  user-select: none;
  touch-action: none;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

#app {
  position: relative;
  isolation: isolate;
}

#app::before {
  content: "누른 횟수  " attr(data-count);
  position: absolute;
  z-index: 2;
  top: 0;
  left: 0;
  width: 100%;
  height: 112px;
  padding: 24px;
  background: #191824;
  color: #fff4f7;
  font-size: clamp(16px, 2.8vw, 22px);
  font-weight: 800;
  letter-spacing: -0.02em;
  pointer-events: none;
}

#app::after {
  content: "";
  position: absolute;
  z-index: 3;
  right: 0;
  bottom: 0;
  left: 0;
  height: 72px;
  background: #191824;
  pointer-events: none;
}