:root {
  --bg: #f3f7fb;
  --ground: #e1e8f5;
  --player: #2b7be4;
}
html, body {
  height: 100%;
  margin: 0;
  font-family: 'Pretendard', sans-serif;
  background: linear-gradient(180deg, var(--bg), #eaf1ff);
}
.wrap {
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.game {
  width: 360px;
  height: 640px;
  background: linear-gradient(#fff, #f7fbff);
  border-radius: 12px;
  box-shadow: 0 6px 30px rgba(20, 30, 80, 0.12);
  position: relative;
  overflow: hidden;
}
canvas {
  display: block;
  background: transparent;
}
.hud {
  position: absolute;
  left: 12px;
  top: 12px;
  right: 12px;
  display: flex;
  justify-content: space-between;
}
.panel {
  background: rgba(255, 255, 255, 0.7);
  padding: 6px 10px;
  border-radius: 10px;
  font-weight: 600;
}
.controls {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 8px;
  display: flex;
  justify-content: space-between;
  padding: 0 18px;
}
.btn {
  background: #fff;
  border: 1px solid #dbe4f5;
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.2s;
}
.btn:hover {
  background: #f2f5ff;
}
.centerOverlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(4px);
}
.hidden {
  display: none;
}
.big {
  font-size: 20px;
  font-weight: 700;
}
.small {
  font-size: 14px;
  opacity: 0.9;
}
.btns {
  display: flex;
  gap: 8px;
}