* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

body {
  background: #1a1a2e;
  color: #eee;
  font-family: system-ui, -apple-system, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100dvh;
  overflow: hidden;
  touch-action: none;
}

#game-wrapper {
  position: relative;
  width: 100%;
  max-width: 500px;
  height: 100dvh;
  max-height: 900px;
  display: flex;
  flex-direction: column;
  touch-action: none;
  background: #16213e;
}

#hud {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  font-size: 1rem;
  font-weight: bold;
  background: rgba(0,0,0,0.4);
  z-index: 10;
  gap: 6px;
  flex-shrink: 0;
}

#hud span { white-space: nowrap; }
#money { color: #ffd700; }
#info { color: #7bed9f; }
#pop { color: #70a1ff; }

canvas {
  flex: 1;
  width: 100%;
  touch-action: none;
  display: block;
  background: #0f3460;
}

#panel {
  flex-shrink: 0;
  padding: 10px 12px;
  padding-bottom: max(10px, env(safe-area-inset-bottom, 10px));
  background: rgba(0,0,0,0.6);
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 120px;
}

.pbtn {
  padding: 14px 16px;
  font-size: 1.1rem;
  border: none;
  border-radius: 12px;
  background: #2d5a27;
  color: #fff;
  cursor: pointer;
  font-weight: bold;
}

.pbtn:disabled {
  background: #333;
  color: #555;
}

.pbtn:active:not(:disabled) {
  opacity: 0.7;
}

#shop {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  align-items: center;
  min-height: 44px;
}

.shop-btn {
  padding: 10px 14px;
  font-size: 1rem;
  border: none;
  border-radius: 10px;
  background: #0f3460;
  color: #eee;
  cursor: pointer;
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.shop-btn:disabled {
  background: #222;
  color: #444;
}

.shop-btn:active:not(:disabled) {
  background: #e94560;
}