html, body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-family: monospace;
}

body {
    background: linear-gradient(135deg, #641414 0%, #30101C 100%);
    color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
}

#main {
    width: 100%;
    max-width: 800px;
    padding: 20px;
    box-sizing: border-box;
}

ul.nav {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column; 
    align-items: center;
    gap: 15px; 
}

ul.nav li {
    width: 100%;
    max-width: 300px;
}

ul.nav a {
    display: block;
    padding: 15px 20px 30px 20px;
    background-color: rgba(255, 255, 255, 0.1);
    color: #e6e6fa;
    text-decoration: none;
    text-align: center;
    font-size: 1.5rem;
    font-weight: bold;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
}

ul.nav p {
    margin-bottom: 5px;
}

ul.nav span {
    font-size: 1rem;
    color: #ffadad;
}

ul.nav a:hover, ul.nav a:focus {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    outline: none;
}

@media (min-width: 600px) {
    ul.nav {
        justify-content: center;
    }

    ul.nav li {
        width: auto; 
        min-width: 500px;
    }
}