.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 5000; /* POD lampkami */
}

.hidden {
  display: none;
}

.letter-box {
  position: relative;
  width: 360px;
  padding: 26px;
  background: #f5f5f5;
  border-radius: 16px;
  text-align: center;
  font-family: "Playfair Display", serif;
  animation: scaleIn 0.35s ease;
}

.letter-box h2 {
  margin-top: 0;
}

.close {
  position: absolute;
  top: 10px;
  right: 14px;
  font-size: 24px;
  border: none;
  background: none;
  cursor: pointer;
}

@keyframes scaleIn {
  from {
    transform: scale(0.7);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}
/* ================== GLOW EFFECT ================== */

.xmass-tree,
.snowman {
  transition: filter 0.3s ease, transform 0.3s ease;
}

/* 🎄 CHOINKA */
.xmass-tree:hover {
  filter:
    drop-shadow(0 0 10px rgba(0, 255, 180, 0.6))
    drop-shadow(0 0 20px rgba(0, 255, 180, 0.4))
    drop-shadow(0 0 40px rgba(0, 255, 180, 0.2));
  transform: scale(1.02);
  cursor: pointer;
}

/* ☃️ BAŁWAN */
.snowman:hover {
  filter:
    drop-shadow(0 0 10px rgba(255, 255, 255, 0.8))
    drop-shadow(0 0 20px rgba(200, 220, 255, 0.6))
    drop-shadow(0 0 40px rgba(180, 200, 255, 0.4));
  transform: scale(1.02);
  cursor: pointer;
}