body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    color: #212529;
    
    background: radial-gradient(circle at center, #b2ebf2, #ffcdd2, #fff59d);
    background-size: 20% 80%;
    background-position: center center;
    animation: truePulse 3s ease-in-out infinite;
}

/* --- THIS IS THE ONLY SECTION THAT HAS CHANGED --- */
.container {
    text-align: center;
    padding: 20px;
    background-color: #ffffff; /* This is now solid, pure white */
    border-radius: 15px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    /* Add a very light grey border for a crisp edge */
    border: 1px solid #e9ecef;
}
/* ------------------------------------------------ */

.logo {
    max-width: 180px;
    margin-bottom: 25px;
}
h1 {
    font-size: 3em;
    margin: 0 0 10px 0;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: #343a40;
}
p {
    font-size: 1.1em;
    color: #6c757d;
    margin: 0;
    letter-spacing: 1px;
}

@keyframes truePulse {
    0% {
        background-size: 100% 100%;
    }
    50% {
        background-size: 300% 300%;
    }
    100% {
        background-size: 100% 100%;
    }
}