:root {
  --event-bg: #f7fafd;
  --event-surface: rgba(250, 253, 255, 0.76);
  --event-surface-strong: rgba(250, 253, 255, 0.94);
  --event-primary: #5b8ecf;
  --event-primary-strong: #467bc3;
  --event-accent: #dde9f7;
  --event-heading: #1f2d3d;
  --event-text: #1f2d3d;
  --event-muted: #526b8a;
  --event-border: #d6e1ec;
  --event-shadow: rgba(31, 45, 61, 0.12);
}