body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background: url("/static/soarenity_logo.png") no-repeat center center fixed;
    background-size: cover;
    font-family: Arial, sans-serif;
}
.container {
    background: rgba(15, 18, 28, 0.88);
    color: #f1c65b;
    border-radius: 1.25rem;
    box-shadow: 0 6px 32px rgba(0,0,0,.33);
    max-width: 480px;
    margin: 7vh auto 0 auto;
    padding: 2rem 2rem 1.5rem 2rem;
    text-align: center;
}
.silver-btn {
    display: inline-block;
    margin-top: 2rem;
    padding: 1rem 2.2rem;
    border: none;
    border-radius: 2rem;
    background: linear-gradient(90deg, #ffd700 30%, #f1c65b 70%);
    color: #222;
    font-size: 1.3rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 2px 14px rgba(0,0,0,0.17);
    transition: background 0.2s, color 0.2s;
}
.silver-btn:hover {
    background: linear-gradient(90deg, #f1c65b 20%, #ffd700 80%);
    color: #0c1526;
}