body {
  font-family: 'Press Start 2P', cursive;
  background-color: #1a1a1a;
  color: #ffffff;
  overflow: hidden;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}
canvas {
  background-color: #000;
  display: block;
  border-radius: 8px;
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

/* Hide cursor only during active gameplay */
canvas.hide-cursor {
  cursor: none; /* custom cursor rendering in canvas */
}
#ui-container {
  position: absolute;
  top: 20px;
  left: 20px;
  right: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
  text-shadow: 2px 2px 4px #000;
}
#upgradesEl { color: #9efcff; text-shadow: 1px 1px 2px #000; }
/* Autofire indicator */
#autofireIndicator {
  margin-left: 10px;
  padding: 2px 6px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 6px;
  font-size: 10px;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.6);
  background: rgba(0,0,0,0.3);
  transition: all 0.15s ease;
}
#autofireIndicator.on {
  border-color: #00ffff;
  color: #00ffff;
  box-shadow: 0 0 10px rgba(0,255,255,0.5);
}
#modal {
  position: absolute;
  background-color: rgba(0, 0, 0, 0.75);
  border-radius: 16px;
  border: 2px solid #00ffff;
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.7);
  color: white;
  padding: 40px;
  text-align: center;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
#pauseModal {
  position: absolute;
  background-color: rgba(0, 0, 0, 0.75);
  border-radius: 16px;
  border: 2px solid #00ffff;
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.7);
  color: white;
  padding: 40px;
  text-align: center;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
/* Credits modal shares look with pause/modal */
#creditsModal button {
  font-family: 'Press Start 2P', cursive;
  background-color: #00ffff;
  color: #1a1a1a;
  border: none;
  padding: 12px 24px;
  font-size: 0.9rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  box-shadow: 0 4px 15px rgba(0, 255, 255, 0.4);
}
#creditsModal button:hover {
  background-color: #ffffff;
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 255, 255, 0.6);
}
#modal h1 {
  font-size: 2.5rem;
  margin: 0;
  color: #00ffff;
}
#gameOverTitle {
  font-size: 3.2rem; /* larger than normal */
  letter-spacing: 2px;
  margin-bottom: 6px;
}
#modal p {
  font-size: 1.5rem;
  margin: 0;
}
#modal button {
  font-family: 'Press Start 2P', cursive;
  background-color: #00ffff;
  color: #1a1a1a;
  border: none;
  padding: 15px 30px;
  font-size: 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  box-shadow: 0 4px 15px rgba(0, 255, 255, 0.4);
}
#modal button:hover {
  background-color: #ffffff;
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 255, 255, 0.6);
}
#pauseModal button {
  font-family: 'Press Start 2P', cursive;
  background-color: #00ffff;
  color: #1a1a1a;
  border: none;
  padding: 15px 30px;
  font-size: 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  box-shadow: 0 4px 15px rgba(0, 255, 255, 0.4);
}
#pauseModal button:hover {
  background-color: #ffffff;
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 255, 255, 0.6);
}
#health-bar-container {
  width: 200px;
  height: 20px;
  background-color: #333;
  border-radius: 10px;
  border: 2px solid #fff;
  overflow: hidden;
}
#health-bar {
  height: 100%;
  background-color: #00ff00;
  width: 100%;
  transition: width 0.3s linear, background-color 0.2s linear;
  border-radius: 8px 0 0 8px;
}

/* Strong shake when taking damage */
@keyframes hpShake {
  0%, 100% { transform: translateX(0); }
  10% { transform: translateX(-6px); }
  20% { transform: translateX(6px); }
  30% { transform: translateX(-5px); }
  40% { transform: translateX(5px); }
  50% { transform: translateX(-3px); }
  60% { transform: translateX(3px); }
  70% { transform: translateX(-2px); }
  80% { transform: translateX(2px); }
  90% { transform: translateX(-1px); }
}
.shake-strong {
  animation: hpShake 0.3s ease-out;
}

/* Main menu */
#menu {
  position: absolute;
  background-color: rgba(0, 0, 0, 0.85);
  border-radius: 16px;
  border: 2px solid #00ffff;
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.7);
  color: white;
  padding: 48px 56px;
  text-align: center;
  display: flex; /* visible by default until game starts */
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
#menu h1 {
  font-size: 2.25rem;
  margin: 0;
  color: #00ffff;
}
#menu p {
  font-size: 1rem;
  margin: 0;
  opacity: 0.9;
}
#menu .item-icon {
  display: inline-block;
  width: 1.25em;
  text-align: center;
  margin-right: 6px;
}
#menu button {
  font-family: 'Press Start 2P', cursive;
  background-color: #00ffff;
  color: #1a1a1a;
  border: none;
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  box-shadow: 0 4px 15px rgba(0, 255, 255, 0.4);
}
#menu button:hover {
  background-color: #ffffff;
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 255, 255, 0.6);
}

/* Laser burst gauge (below upgrades) */
#laserBurstGauge {
  display: none; /* hidden until laser unlocked */
  margin-top: 6px;
  width: 220px;
  height: 16px;
  position: relative; /* for overlay label */
  border: 2px solid rgba(255,255,255,0.6);
  border-radius: 10px;
  background: rgba(0,0,0,0.35);
  overflow: hidden;
}
#laserBurstFill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, rgba(0,255,255,0.9), rgba(0,180,255,0.9));
  transition: width 0.15s linear;
  position: relative;
  z-index: 0;
}
#laserBurstLabel {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 10px;
  color: #eaffff;
  text-shadow: 1px 1px 2px #000;
  z-index: 1;
  pointer-events: none;
}
#laserBurstGauge.ready {
  box-shadow: 0 0 14px rgba(0,255,255,0.7);
  border-color: #00ffff;
}
#laserBurstGauge.active {
  box-shadow: 0 0 14px rgba(255,90,90,0.9);
  border-color: rgba(255,120,120,0.95);
}