:root {
  --oioiob-bg: #f4f6f8;
  --oioiob-surface: #ffffff;
  --oioiob-text: #1f2937;
  --oioiob-muted: #6b7280;
  --oioiob-border: #e5e7eb;
  --oioiob-accent: #2563eb;
  --oioiob-accent-soft: #eff6ff;
  --oioiob-mark: #f59e0b;
  --oioiob-like: #ef4444;
  --oioiob-radius: 12px;
  --oioiob-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  --oioiob-sidebar-w: 240px;
  --oioiob-font: "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --oioiob-bg: #0f172a;
    --oioiob-surface: #111827;
    --oioiob-text: #f9fafb;
    --oioiob-muted: #9ca3af;
    --oioiob-border: #374151;
    --oioiob-accent-soft: #1e3a5f;
    --oioiob-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  }
}