body {
    font-family: 'Courier New', monospace;
    background: #000;
    margin: 0;
    padding: 20px;
    overflow-x: hidden;
    position: relative;
}

/* Star field background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: twinkle 10s infinite linear;
    z-index: -1;
}

@keyframes twinkle {
    0% { opacity: 0.1; }
    50% { opacity: 0.3; }
    100% { opacity: 0.1; }
}

/* Timeline styling without border */
#timeline {
    width: 100%;
    height: 600px;
    box-shadow: 0 0 20px #00f;
    background: transparent;
    border: none;
}

#filters {
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

select, button {
    background: #111;
    color: #0f0;
    border: 1px solid #00f;
    padding: 5px;
    box-shadow: 0 0 5px #00f;
}

#legend {
    position: absolute;
    bottom: 10px;
    right: 10px;
    opacity: 0.5;
    font-size: 12px;
    color: #0ff;
}

@media (max-width: 768px) {
    #timeline { height: 400px; }
    #filters { flex-direction: column; }
}