:root {
    --bg: #0f172a;
    --card: #111827;
    --muted: #94a3b8;
    --text: #e5e7eb;
    --accent: #22c55e;
    --accent-dark: #16a34a;
    --ring: rgba(34, 197, 94, .35);
  }

  * {
    box-sizing: border-box;
  }

  html,
  body {
    height: 100%;
  }

  body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Helvetica Neue", sans-serif;
    background: radial-gradient(1200px 800px at 80% -10%, rgba(34, 197, 94, .08), transparent 60%),
      radial-gradient(900px 600px at -10% 110%, rgba(34, 197, 94, .06), transparent 60%),
      var(--bg);
    color: var(--text);
  }

  .container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
  }