.snowflake {
    position: fixed;
    top: -10px;
    color: white;
    font-size: 1em;
    user-select: none;
    z-index: 9999;
    pointer-events: none;
    animation-name: fall;
    animation-timing-function: linear;
}

@keyframes fall {
    0% { transform: translateY(0) rotate(0deg); }
    100% { transform: translateY(100vh) rotate(360deg); }
}

/* Köşe Süsü */
.corner-ornament {
    position: fixed;
    top: 10px;
    right: 10px;
    font-size: 50px;
    z-index: 10000;
    filter: drop-shadow(0 0 10px rgba(255,255,255,0.5));
}