body {
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    ldisplay: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    width: 90%;
    max-width: 400px;
    text-align: center;
}

input, button {
    width: 100%;
    padding: 0.8rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    border: 1px solid #ccc;
}

button {
    background-color: #007BFF;
    color: white;
    border: none;
    cursor: pointer;
}

.flash {
    background-color: #d4edda;
    color: #155724;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
}