body {
    font-family: sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #121212;
    background-image: linear-gradient(to right top, #1e0c42, #2a1055, #371369, #45167e, #531893);
    position: relative;
}

body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 250 250' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.15;
    z-index: -1;
}

.container {
    text-align: center;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 5px 15px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
}

h1 {
    color: #fff;
    font-size: 3em;
    margin-bottom: 20px;
    text-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

#generate-btn {
    padding: 15px 30px;
    font-size: 1.2em;
    cursor: pointer;
    border: none;
    border-radius: 10px;
    background-color: rgba(0, 0, 0, 0.4);
    color: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4), 0 0 10px #531893, 0 0 20px #531893;
    transition: transform 0.2s, box-shadow 0.2s;
    font-weight: bold;
}

#generate-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5), 0 0 15px #531893, 0 0 30px #531893;
}

#generate-btn:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

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

.number {
    width: 60px;
    height: 60px;
    background-color: rgba(0, 0, 0, 0.4);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5em;
    margin: 10px;
    color: #fff;
    font-weight: bold;
    box-shadow: 0 5px 10px rgba(0,0,0,0.3);
}