* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: radial-gradient(circle at center, #0b101c 0%, #030508 100%);
  color: #fff;
  font-family: 'Press Start 2P', monospace, sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  user-select: none;
}

#game-container {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100vw;
  height: 100vh;
  padding: 10px;
}

#arcade-cabinet {
  background: #111622;
  border: 4px solid #3a4759;
  border-radius: 18px;
  box-shadow: 0 0 50px rgba(0, 180, 255, 0.25), inset 0 0 25px rgba(0, 0, 0, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 650px;
  width: 100%;
  position: relative;
  overflow: hidden;
}

/* Marquee */
#arcade-marquee {
  width: 100%;
  padding: 10px 15px;
  background: linear-gradient(180deg, #1f2b3e 0%, #0b121c 100%);
  border-bottom: 3px solid #00d2ff;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 210, 255, 0.3);
}

.marquee-sub {
  font-family: 'Orbitron', sans-serif;
  font-size: 10px;
  letter-spacing: 4px;
  color: #ff9d00;
  margin-bottom: 3px;
  text-shadow: 0 0 8px rgba(255, 157, 0, 0.8);
}

.marquee-title {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 26px;
  letter-spacing: 6px;
  color: #eaf4ff;
  text-shadow: 0 0 12px #00e5ff, 0 0 25px #0077ff;
}

.marquee-badge {
  font-size: 8px;
  color: #8faec9;
  margin-top: 4px;
  letter-spacing: 2px;
}

/* Screen Wrapper */
#screen-wrapper {
  position: relative;
  width: 100%;
  background: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  border-left: 2px solid #233144;
  border-right: 2px solid #233144;
}

#gameCanvas {
  display: block;
  width: 100%;
  max-width: 600px;
  height: auto;
  aspect-ratio: 600 / 750;
  background: #000;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* CRT scanlines effect */
.scanlines {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.35) 50%
  );
  background-size: 100% 4px;
  z-index: 5;
  opacity: 0.85;
}

.crt-glow {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  box-shadow: inset 0 0 60px rgba(0, 160, 255, 0.15), inset 0 0 15px rgba(255, 255, 255, 0.1);
  z-index: 6;
}

/* HUD Overlay */
#hud {
  position: absolute;
  top: 8px;
  left: 12px;
  right: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
  z-index: 10;
  font-size: 10px;
  text-shadow: 0 0 5px #000;
}

.hud-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.hud-label {
  font-size: 7px;
  color: #8ca4c0;
  letter-spacing: 1px;
}

#scoreDisplay {
  color: #00ffcc;
  font-size: 12px;
  text-shadow: 0 0 8px rgba(0, 255, 204, 0.7);
}

#highScoreDisplay {
  color: #ffb700;
  font-size: 12px;
  text-shadow: 0 0 8px rgba(255, 183, 0, 0.7);
}

#livesContainer {
  display: flex;
  gap: 5px;
}

.viper-life-icon {
  width: 14px;
  height: 14px;
  display: inline-block;
  background: #ffffff;
  clip-path: polygon(50% 0%, 100% 100%, 75% 85%, 25% 85%, 0% 100%);
  filter: drop-shadow(0 0 3px #00d2ff);
}

/* Shield Meter */
.shield-meter-bg {
  width: 85px;
  height: 8px;
  background: #192331;
  border: 1px solid #00d2ff;
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 0 6px rgba(0, 210, 255, 0.4);
}

#shieldMeter {
  height: 100%;
  background: linear-gradient(90deg, #00d2ff, #29ffc6);
  transition: width 0.15s ease, background 0.3s;
}

#shieldMeter.cooling-down {
  background: linear-gradient(90deg, #ff4d4d, #ff9900);
}

/* Touch controls for mobile / tablet */
#touch-controls {
  position: absolute;
  bottom: 12px;
  left: 12px;
  right: 12px;
  display: none; /* activated on touch or smaller screens */
  justify-content: space-between;
  z-index: 15;
  pointer-events: auto;
}

@media (max-width: 768px), (pointer: coarse) {
  #touch-controls {
    display: flex;
  }
}

.t-btn {
  background: rgba(20, 35, 55, 0.75);
  border: 2px solid #00d2ff;
  color: #fff;
  font-family: 'Press Start 2P', monospace;
  font-size: 14px;
  border-radius: 8px;
  padding: 12px 18px;
  backdrop-filter: blur(4px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5), 0 0 8px rgba(0, 210, 255, 0.3);
  touch-action: manipulation;
}

.t-btn:active {
  background: rgba(0, 210, 255, 0.5);
  transform: translateY(2px);
}

#touch-dpad {
  display: flex;
  gap: 10px;
}

#touch-actions {
  display: flex;
  gap: 10px;
}

.action-btn {
  font-size: 9px;
  padding: 12px 14px;
}

.fire-btn {
  background: rgba(255, 45, 85, 0.4);
  border-color: #ff2d55;
  box-shadow: 0 0 10px rgba(255, 45, 85, 0.5);
}

.fire-btn:active {
  background: rgba(255, 45, 85, 0.8);
}

/* Footer / instructions */
#arcade-footer {
  width: 100%;
  padding: 10px 14px;
  background: #090e16;
  border-top: 2px solid #233144;
  text-align: center;
}

.controls-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  font-size: 8px;
  color: #9cb1c9;
  line-height: 1.5;
}

.controls-legend strong {
  color: #00d2ff;
}