:root {
  /* Cyberpunk Theme - Neon Cyber Colors */
  --color-primary: 0 255 255; /* Cyan */
  --color-secondary: 255 0 255; /* Magenta */
  --color-accent: 255 255 0; /* Yellow */
  --color-bg: 0 0 0; /* Black */
  --color-surface: 17 24 39; /* Gray 900 */
  --color-card: 31 41 55; /* Gray 800 */
  --color-text: 0 255 255; /* Cyan */
  --color-text-muted: 156 163 175; /* Gray 400 */
  --color-border: 75 85 99; /* Gray 600 */
  
  /* Cyberpunk specific colors */
  --color-cyber-pink: 255 20 147; /* Deep Pink */
  --color-cyber-blue: 0 191 255; /* Deep Sky Blue */
  --color-cyber-green: 57 255 20; /* Lime Green */
  --color-cyber-purple: 138 43 226; /* Blue Violet */
}

body {
  background-color: rgb(var(--color-bg));
  color: rgb(var(--color-text));
  font-family: 'Courier New', 'Fira Code', monospace;
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}

.btn-primary {
  background: linear-gradient(45deg, rgb(var(--color-primary)), rgb(var(--color-secondary)));
  color: rgb(var(--color-bg));
  padding: 0.75rem 1.5rem;
  font-family: monospace;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: all 0.3s;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  box-shadow: 
    0 0 20px rgb(var(--color-primary)),
    0 0 40px rgb(var(--color-secondary)),
    inset 0 0 20px rgba(var(--color-primary), 0.1);
  text-shadow: 0 0 10px rgb(var(--color-primary));
}

.cyber-card {
  background: rgb(var(--color-card));
  border: 1px solid rgb(var(--color-border));
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}

.cyber-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgb(var(--color-primary)), transparent);
  animation: cyber-scan 2s linear infinite;
}

.cyber-card:hover {
  border-color: rgb(var(--color-primary));
  box-shadow: 
    0 0 20px rgba(var(--color-primary), 0.3),
    inset 0 0 20px rgba(var(--color-primary), 0.05);
  transform: translateY(-2px);
}

.cyber-text-glow {
  text-shadow: 
    0 0 5px rgb(var(--color-primary)),
    0 0 10px rgb(var(--color-primary)),
    0 0 15px rgb(var(--color-primary)),
    0 0 20px rgb(var(--color-primary));
}

.cyber-border-glow {
  border: 1px solid rgb(var(--color-primary));
  box-shadow: 
    0 0 10px rgba(var(--color-primary), 0.5),
    inset 0 0 10px rgba(var(--color-primary), 0.1);
}

/* Cyberpunk animations */
@keyframes cyber-scan {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes cyber-pulse {
  0%, 100% {
    box-shadow: 
      0 0 5px rgb(var(--color-primary)),
      0 0 10px rgb(var(--color-primary)),
      0 0 15px rgb(var(--color-primary));
  }
  50% {
    box-shadow: 
      0 0 10px rgb(var(--color-primary)),
      0 0 20px rgb(var(--color-primary)),
      0 0 30px rgb(var(--color-primary));
  }
}

.cyber-pulse {
  animation: cyber-pulse 2s ease-in-out infinite;
}

@keyframes cyber-glitch {
  0%, 100% { transform: translateX(0); }
  10% { transform: translateX(-2px) skew(-1deg); }
  20% { transform: translateX(2px) skew(1deg); }
  30% { transform: translateX(-1px) skew(-0.5deg); }
  40% { transform: translateX(1px) skew(0.5deg); }
  50% { transform: translateX(0); }
}

.cyber-glitch {
  animation: cyber-glitch 0.3s ease-in-out infinite;
}

@keyframes cyber-matrix-rain {
  0% {
    transform: translateY(-100vh);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(100vh);
    opacity: 0;
  }
}

.cyber-matrix-rain {
  animation: cyber-matrix-rain 3s linear infinite;
}

/* Terminal effect */
.cyber-terminal {
  background: rgb(var(--color-bg));
  border: 1px solid rgb(var(--color-primary));
  font-family: 'Courier New', monospace;
  text-shadow: 0 0 5px rgb(var(--color-primary));
}

.cyber-terminal::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 255, 255, 0.03) 2px,
    rgba(0, 255, 255, 0.03) 4px
  );
  pointer-events: none;
}

/* Neon grid background */
.cyber-grid {
  background-image: 
    linear-gradient(rgba(0, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
}