body {
    background: radial-gradient(circle, #000000, #1A0033);
    color: white;
    font-family: 'Courier New', monospace;
    text-align: center;
    padding: 20px;
}

.card {
    background: linear-gradient(135deg, #9D00FF, transparent),
                radial-gradient(circle at top left, #FF69B4, transparent);
    padding: 30px;
    border: 1px solid #00F5FF;
    border-radius: 5px;
    box-shadow: 0 0 30px #FF69B4, 
                0 0 60px #9D00FF;
    margin: 20px auto;
    max-width: 500px;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(transparent, #00F5FF, transparent);
    animation: rotate 10s linear infinite;
    opacity: 0.3;
    z-index: -1;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.neon-pulse {
    background: transparent;
    color: white;
    border: 2px solid #FF69B4;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    animation: pulse 2s infinite alternate;
    margin-top: 20px;
}

@keyframes pulse {
    from { box-shadow: 0 0 5px #FF69B4; }
    to { box-shadow: 0 0 20px #00F5FF; }
}

.frequency {
    color: #00F5FF;
    font-weight: bold;
}
#moonPhase {  
  font-size: 2em;  
  animation: pulse 3s infinite;  
}  

.hidden {  
  display: none;  
  /* Becomes visible during full moons */  
}