:root {
  --bg-main: #ffffff;
  --bg-section: #ffffff;
  --bg-muted: #f6f7f9;

  --text-main: #111827;
  --text-muted: #6b7280;

  --accent: #2563eb;
  --border: #e5e7eb;
}

[data-theme="dark"] {
  --bg-main: #0b0f19;
  --bg-section: #111827;
  --bg-muted: #1f2933;

  --text-main: #e5e7eb;
  --text-muted: #9ca3af;

  --accent: #60a5fa;
  --border: #374151;
}

* { box-sizing: border-box; }