#snowfall {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none; /* Keine Interaktionen zulassen */
    z-index: 1; /* Hintergrund */
}

.snowflake {
    position: absolute;
    top: -10px; /* Start oberhalb des Bildschirms */
    color: white; /* Schneeflockenfarbe */
    font-size: 12px; /* Standardgröße */
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.7);
    opacity: 0.8; /* Leicht transparent */
    animation: fall linear infinite; /* Fallen-Animation */
}

@keyframes fall {
    to {
        transform: translateY(100vh); /* Flocken bis zum unteren Rand fallen lassen */
    }
}

/* Container für Fullscreen-Timer */
#timer-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: black;
    color: limegreen;
    font-family: 'Courier New', monospace;
    font-size: 15vw;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    text-shadow: 0 0 5px lime, 0 0 10px green, 0 0 20px darkgreen;
    overflow: hidden;
}

/* Tunneleffekt */
#tunnel-effect {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, black, darkgreen, black);
    animation: tunnel 3s linear infinite;
    z-index: 0;
}

@keyframes tunnel {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

/* Shake-Effekt */
.shake {
    animation: shake 0.2s linear infinite;
}

@keyframes shake {
    0% { transform: translate(1px, 1px); }
    25% { transform: translate(-1px, -2px); }
    50% { transform: translate(-3px, 0px); }
    75% { transform: translate(3px, 2px); }
    100% { transform: translate(1px, -1px); }
}