body {
    background-color: #121212;
    color: #ffffff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='42' height='44' viewBox='0 0 42 44' xmlns='http://www.w3.org/2000/svg'%3E%3Cg id='Page-1' fill='none' fill-rule='evenodd'%3E%3Cg id='brick-wall' fill='%23333' fill-opacity='0.4'%3E%3Cpath d='M0 0h42v44H0V0zm1 1h40v20H1V1zM0 23h20v20H0V23zm22 0h20v20H22V23z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.container {
    text-align: center;
    background: rgba(0, 0, 0, 0.2);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 30px;
}

.numbers {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 10px;
    font-size: 1.8rem;
    font-weight: bold;
    color: #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    transition: transform 0.3s ease, background-color 0.3s ease;
    transform: scale(0);
    animation: pop-in 0.5s forwards;
}

@keyframes pop-in {
    to {
        transform: scale(1);
    }
}

#generate {
    background-color: transparent;
    border: 2px solid #00ffc3;
    color: #00ffc3;
    padding: 15px 30px;
    font-size: 1.2rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
    text-shadow: 0 0 5px #00ffc3, 0 0 10px #00ffc3, 0 0 20px #00ffc3;
    box-shadow: 0 0 5px #00ffc3, 0 0 10px #00ffc3, 0 0 20px #00ffc3, inset 0 0 5px #00ffc3;
}

#generate:hover {
    background-color: #00ffc3;
    color: #121212;
    box-shadow: 0 0 10px #00ffc3, 0 0 20px #00ffc3, 0 0 40px #00ffc3;
    text-shadow: none;
}

@media (max-width: 600px) {
    .container {
        padding: 20px;
    }
    h1 {
        font-size: 2rem;
    }
    .number {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        margin: 5px;
    }
    #generate {
        padding: 12px 25px;
        font-size: 1rem;
    }
}