:root {
  --bg: #000;
  --bg-alt: #0a0a0a;
  --surface: #141414;
  --surface-hover: #1f1f1f;
  --surface-elevated: #1a1a1a;
  --border: rgba(255,255,255,.08);
  --border-hover: rgba(255,255,255,.16);
  --primary: #6c5ce7;
  --primary-hover: #7c6cf7;
  --primary-glow: rgba(108,92,231,.3);
  --accent: #0071eb;
  --text: #fff;
  --text-secondary: rgba(255,255,255,.7);
  --text-muted: rgba(255,255,255,.45);
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.5);
  --shadow-focus: 0 0 0 3px var(--primary-glow);
  --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --transition-fast: 150ms ease;
  --transition: 250ms ease;
  --transition-slow: 400ms cubic-bezier(.4,0,.2,1);
  --blur: blur(12px);
  --max-width: 1440px;
  --header-height: 64px;
}

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

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; }
img { display: block; max-width: 100%; }
input, select { font-family: inherit; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.15); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.25); }