frontend/src/index.css

@tailwind base;
@tailwind components;
@tailwind utilities;

:root {
  --bg: #060810;
  --surface: #0C0F1A;
  --surface2: #121729;
  --surface3: #1A2035;
  --border: #1E2B45;
  --border2: #2A3A58;
  --teal: #00D9C0;
  --teal-l: #33E5D0;
  --blue: #4A9EFF;
  --blue-l: #7AB8FF;
  --violet: #9B59F5;
  --violet-l: #B57BFF;
  --amber: #FFB347;
  --red: #FF5063;
  --green: #00E676;
  --text: #E8EEF8;
  --text2: #8A9BC4;
  --text3: #4A5A7A;
  --heatmap-lo: #0C0F1A;
  --heatmap-hi: #00D9C0;

  --background: 230 45% 4%;
  --foreground: 215 55% 95%;
  --card: 230 45% 6%;
  --card-foreground: 215 55% 95%;
  --popover: 230 45% 6%;
  --popover-foreground: 215 55% 95%;
  --primary: 173 100% 43%;
  --primary-foreground: 230 45% 4%;
  --secondary: 222 55% 14%;
  --secondary-foreground: 215 55% 95%;
  --muted: 222 55% 14%;
  --muted-foreground: 220 20% 65%;
  --accent: 222 55% 14%;
  --accent-foreground: 215 55% 95%;
  --destructive: 352 100% 66%;
  --destructive-foreground: 215 55% 95%;
  --border: 220 40% 20%;
  --input: 220 40% 20%;
  --ring: 210 100% 65%;
  --radius: 0.875rem;
}

* {
  scrollbar-width: thin;
  scrollbar-color: var(--border2) var(--bg);
}

html {
  scroll-behavior: smooth;
}

html, body {
  background: #060810;
  color: #E8EEF8;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

code, pre, kbd, .font-mono {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

::selection {
  background: rgba(0, 217, 192, 0.22);
  color: #E8EEF8;
}

@layer base {
  * {
    @apply border-border;
  }
  body {
    @apply bg-background text-foreground;
  }
}

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

@keyframes draw-line {
  from { stroke-dashoffset: 1000; }
  to { stroke-dashoffset: 0; }
}

.animate-caret {
  animation: caret-blink 1s step-end infinite;
}

.bg-grid {
  background-image:
    linear-gradient(rgba(30,43,69,0.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,43,69,0.35) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: -1px -1px;
}