body {
    background: #0a0a14;
    color: #fff;
    font-family: 'Inter', system-ui, sans-serif;
}
.neon {
    text-shadow: 0 0 10px #00ffcc, 0 0 20px #00ffcc;
}
.btn-success {
    background: #00ffcc;
    color: #000;
    border: none;
}
.btn-success:hover {
    background: #00ccaa;
    color: #000;
}
.list-group-item {
    background: #1a1a2e;
    border-color: #00ffcc;
}
.now-playing {
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(0, 255, 204, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(0, 255, 204, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 255, 204, 0); }
}