.kalenderbild img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 12px;
  box-shadow: 0 0 15px rgba(0,0,0,0.3);
}

/* Overlay über Kalenderbild */
.kalenderbild {
  position: relative;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  pointer-events: none; /* deaktiviert Klicks vorerst */
}

/* Türchen-Design */
.grid-overlay .day {
  position: absolute;
  border: 2px solid var(--ci-gold);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  background: transparent;
  transition: box-shadow 0.3s ease;
}

.grid-overlay .day span {
  color: var(--ci-gold);
  font-family: 'serif'; /* später: z. B. 'Great Vibes' */
  font-size: 1.8rem;
  font-weight: bold;
  text-shadow: 0 0 3px rgba(0, 0, 0, 0.4);
}

/* Hover-Effekt: leuchtender Glow */
.grid-overlay .day:hover {
  box-shadow: 0 0 12px 4px rgba(200, 170, 73, 0.7);
}