src/App.css

/* 
 * Oldskool Wireframe Design System
 * Inspired by ctxdc.com and awwwards-winning dark interfaces
 */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;600;700&display=swap');

:root {
  /* Core Colors */
  --bg-primary: #0a0a0a;
  --bg-secondary: #0f0f0f;
  --bg-tertiary: #141414;
  --bg-card: rgba(15, 15, 15, 0.8);
  
  /* Accent Colors */
  --accent-primary: #b4ff39;
  --accent-secondary: #7fff00;
  --accent-dim: rgba(180, 255, 57, 0.15);
  --accent-glow: rgba(180, 255, 57, 0.3);
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-tertiary: #606060;
  --text-muted: #404040;
  
  /* Border Colors */
  --border-primary: rgba(180, 255, 57, 0.3);
  --border-secondary: rgba(255, 255, 255, 0.1);
  --border-dim: rgba(255, 255, 255, 0.05);
  
  /* Status Colors */
  --success: #b4ff39;
  --error: #ff4444;
  --warning: #ffaa00;
  
  /* Typography */
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  
  /* Border Radius */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
}

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

html, body, #root {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 13px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--bg-primary);
  color: var(--text-primary);
}

.app {
  width: 100%;
  height: 100%;
  position: relative;
  background: var(--bg-primary);
}

/* Grid Background Pattern */
.app::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(180, 255, 57, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(180, 255, 57, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-primary);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* Selection styling */
::selection {
  background: var(--accent-dim);
  color: var(--accent-primary);
}

/* Focus styling */
:focus-visible {
  outline: 1px solid var(--accent-primary);
  outline-offset: 2px;
}

/* Custom checkbox */
input[type="checkbox"] {
  appearance: none;
  width: 14px;
  height: 14px;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  position: relative;
  transition: all 0.15s ease;
}

input[type="checkbox"]:checked {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 4px;
  width: 4px;
  height: 7px;
  border: solid var(--bg-primary);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

input[type="checkbox"]:hover {
  border-color: var(--accent-primary);
}

/* Terminal cursor blink */
@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* Scan line effect */
@keyframes scanline {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

/* Pulse glow */
@keyframes pulse-glow {
  0%, 100% { 
    box-shadow: 0 0 5px var(--accent-dim);
  }
  50% { 
    box-shadow: 0 0 20px var(--accent-glow), 0 0 30px var(--accent-dim);
  }
}

/* Tooltip animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tooltip-enter {
  animation: fadeIn 0.2s ease-out;
}