body {
    background-color: #0f172a; 
    background-image: radial-gradient(circle at 50% 0%, #1e293b 0%, #0f172a 70%);
}
.neon-border {
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.3), inset 0 0 10px rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.5);
}
.neon-button {
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.5);
    transition: all 0.3s ease-in-out;
}
.neon-button:hover {
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.8);
    text-shadow: 0 0 5px rgba(255,255,255,0.5);
}
.neon-text {
    text-shadow: 0 0 10px rgba(6, 182, 212, 0.8);
}