/* sternenhimmel.css */
#sternenhimmel {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.stern {
    position: absolute;
    background: white;
    border-radius: 50%;
    opacity: 0.5;
    animation: funkeln 2s infinite alternate;
}

.sternschnuppe {
    position: absolute;
    width: 2px;
    height: 2px;
    border-radius: 50%;
    overflow: visible;
    background: linear-gradient(to left, white, rgba(255,255,255,0));
}

.sternschnuppe::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100px;
    height: 2px;
    background: linear-gradient(to left, white, rgba(255,255,255,0));
    transform-origin: right center;
}

@keyframes funkeln {
    from { opacity: 0.3; transform: scale(0.5); }
    to   { opacity: 1; transform: scale(1.2); }
}

@keyframes meteor {
    0% {
        opacity: 1;
        transform: translate(0,0) rotate(var(--angle));
    }
    80% { opacity: 1; }
    100% {
        opacity: 0;
        transform: translate(var(--dx), var(--dy)) rotate(var(--angle));
    }
}