body {
    font-family: 'Inter', sans-serif;
    background-color: #1a202c;
    color: #e2e8f0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1rem;
}
.container {
    background-color: #2d3748;
    border-radius: 1rem;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.25);
    max-width: 28rem;
    width: 100%;
}
.form-container {
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
    transform-origin: top;
}
.message-box {
    min-height: 2.5rem;
}