/* styles.css – define colors as CSS variables */
:root {
  /* Light theme (default) */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --accent: #2563eb;
}

/* Dark theme – applied when .dark class is on root */
.dark {
  --bg-primary: #111827;
  --bg-secondary: #1f2937;
  --text-primary: #f9fafb;
  --text-secondary: #d1d5db;
  --accent: #3b82f6;
}

/* Use variables throughout your styles */
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: background 0.2s, color 0.2s;
}

.container {
  background: var(--bg-secondary);
  border: 1px solid var(--text-secondary);
}

.button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
}
.button:hover {
  background: var(--accent);
  opacity: 0.9;
}

/* Optional: respect system preference on first load */
@media (prefers-color-scheme: dark) {
  :root:not(.dark) {
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --accent: #3b82f6;
  }
}