@keyframes shake {
    0% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    50% { transform: translateX(8px); }
    75% { transform: translateX(-8px); }
    100% { transform: translateX(0); }
}

.shake {
    animation: shake 0.4s;
}

.event {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    margin: 15px;
    padding: 20px;
    border-radius: 20px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
    transition: 0.3s;
}

.event:hover {
    transform: scale(1.03);
}

#nav {
    position: fixed;
    bottom: 0;
    width: 100%;
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-around;
    padding: 10px;
}

#nav button {
    background: none;
    color: white;
    font-size: 20px;
}