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

body {
  background: #000;
  overflow: hidden;
  font-family: 'Press Start 2P', monospace;
  color: #fff;
  width: 100vw;
  height: 100vh;
}

#game-canvas {
  width: 100vw;
  height: 100vh;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  display: block;
}

#crt-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 100;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.12) 0px,
    rgba(0, 0, 0, 0.12) 1px,
    transparent 1px,
    transparent 2px
  );
}

#loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #0000AA;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.loading-box {
  text-align: center;
}

.loading-box h1 {
  font-size: 24px;
  color: #FFFF55;
  margin-bottom: 8px;
  text-shadow: 2px 2px #AA0000;
}

.loading-box h2 {
  font-size: 10px;
  color: #AAAAAA;
  margin-bottom: 30px;
}

.progress-container {
  width: 240px;
  height: 16px;
  border: 2px solid #FFFFFF;
  margin: 0 auto 20px;
  background: #000055;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: #00AAAA;
  transition: width 0.3s;
}

#loading-message {
  font-size: 10px;
  color: #55FF55;
  margin-bottom: 20px;
}

.loading-plane pre {
  font-size: 8px;
  color: #FFFFFF;
  line-height: 1.2;
}

.menu-box {
  text-align: center;
  padding: 30px 40px;
  background: rgba(0, 0, 0, 0.85);
  border: 2px solid #AAAAAA;
}

.menu-box h1 {
  font-size: 20px;
  color: #FFFF55;
  margin-bottom: 20px;
  text-shadow: 2px 2px #AA0000;
}

.menu-box h2 {
  font-size: 14px;
  color: #FFFF55;
  margin-bottom: 20px;
}

.menu-item {
  font-size: 12px;
  padding: 10px 20px;
  margin: 6px 0;
  cursor: pointer;
  color: #AAAAAA;
}

.menu-item.selected {
  color: #FFFFFF;
  background: #0000AA;
}

.copyright {
  font-size: 8px;
  color: #555555;
  margin-top: 30px;
}

.prompt {
  font-size: 8px;
  color: #55FF55;
  margin-top: 20px;
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

#controls-screen,
#pause-menu,
#main-menu,
#quit-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 40;
}

.controls-list p {
  font-size: 9px;
  color: #AAAAAA;
  margin: 8px 0;
  text-align: left;
}

#hud-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  pointer-events: none;
}

#hud-canvas {
  width: 100vw;
  height: 100vh;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}