/* ============================================
   VARIABLES: Color palette and CRT settings
   ============================================ */
:root {
  /* Retro Color Palette */
  --color-bg: #000000;
  --color-brick-red: #FF3333;
  --color-brick-orange: #FF9933;
  --color-brick-green: #33FF33;
  --color-brick-blue: #3399FF;
  --color-paddle: #FFFFFF;
  --color-ball: #FFFFFF;
  --color-text: #FFFFFF;
  --color-glow: rgba(255, 255, 255, 0.8);
  
  /* CRT Effect Variables */
  --scanline-opacity: 0.15;
  --phosphor-glow: 4px;
}

/* ============================================
   BASE: Reset and body styling
   ============================================ */

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

body {
  font-family: 'Press Start 2P', cursive;
  background: var(--color-bg);
  color: var(--color-text);
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  position: relative;
}

#game-container {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

/* ============================================
   CANVAS: Game rendering area with CRT effects
   ============================================ */
#breakoutCanvas {
  border: 3px solid #333;
  background: var(--color-bg);
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  box-shadow: 
    0 0 20px rgba(0, 0, 0, 0.8),
    0 0 40px rgba(255, 255, 255, 0.1),
    inset 0 0 60px rgba(0, 0, 0, 0.5);
  position: relative;
  display: block;
  margin: 0 auto;
}

/* CRT Scanlines Effect */
#breakoutCanvas::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0) 1px,
    rgba(0, 0, 0, var(--scanline-opacity)) 2px,
    rgba(0, 0, 0, var(--scanline-opacity)) 3px
  );
  z-index: 10;
}

/* Phosphor Glow Effect */
#breakoutCanvas {
  filter: contrast(1.1) brightness(1.05);
}

/* ============================================
   MOBILE: Touch controls and responsive buttons
   ============================================ */
/* Mobile Controls */
.mobile-only {
  display: none;
}

.mobile-btn {
  font-family: 'Press Start 2P', cursive;
  font-size: 12px;
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid var(--color-text);
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
}

.mobile-btn:hover,
.mobile-btn:active {
  background: rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 10px var(--color-glow);
}

/* Responsive Design */
@media (max-width: 768px) {
  .mobile-only {
    display: flex;
    gap: 10px;
  }
  
  body {
    padding: 10px;
  }
  
  #breakoutCanvas {
    border-width: 2px;
  }
}

@media (max-width: 480px) {
  .mobile-btn {
    font-size: 10px;
    padding: 8px 16px;
  }
}

/* ============================================
   ANIMATIONS: CRT flicker and blink effects
   ============================================ */
/* CRT Flicker Animation (Subtle) */
@keyframes crt-flicker {
  0% { opacity: 0.98; }
  50% { opacity: 1; }
  100% { opacity: 0.98; }
}

body {
  animation: crt-flicker 0.15s infinite;
}

/* Text Glow Effect */
.glow {
  text-shadow: 
    0 0 5px var(--color-glow),
    0 0 10px var(--color-glow),
    0 0 15px var(--color-glow);
}

/* Blink Animation for UI Prompts */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.blink {
  animation: blink 1s infinite;
}