/* === Wave Pin for σεισμούς >= 4.2 === */
.wave-pin {
  position: relative;
  width: 30px;
  height: 30px;
}
.wave-pin .dot {
  width: 20px;
  height: 20px;
  background: red;
  border-radius: 50%;
  position: absolute;
  top: 5px;
  left: 5px;
  z-index: 2;
}
.wave-pin .wave {
  position: absolute;
  top: 0;
  left: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(255, 0, 0, 0.4);
  animation: ripple 2s linear infinite;
}
.wave-pin .wave:nth-child(1) { animation-delay: 0s; }
.wave-pin .wave:nth-child(2) { animation-delay: 0.5s; }
.wave-pin .wave:nth-child(3) { animation-delay: 1s; }

@keyframes ripple {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(5);
    opacity: 0;
  }
}

/* === Strong Quake Pin for σεισμούς >= 6.4 === */
@keyframes strongquake {
  0% {
    transform: scale(0.5);
    opacity: 1;
    box-shadow: 0 0 10px 5px #ff00ff;
  }
  50% {
    transform: scale(2.5);
    opacity: 0.2;
    box-shadow: 0 0 40px 20px #00ffff;
  }
  100% {
    transform: scale(0.5);
    opacity: 1;
    box-shadow: 0 0 10px 5px #ff00ff;
  }
}

.marker-strong {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  position: relative;
  background: radial-gradient(circle at center, #ff00ff 0%, #000 80%);
  border: 4px solid #00ffff;
  animation: strongquake 1.2s infinite ease-in-out;
  box-shadow: 0 0 20px 10px #ff00ff;
}
.marker-strong::after {
  content: "★";
  color: #ff00ff;
  font-size: 36px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-shadow: 0 0 8px #ff00ff;
}