body {
    font-family: Arial, sans-serif;
    background: #f5f8ff;
    color: #1a1a1a;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}
.container {
    background: #ffffff;
    padding: 30px 40px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    max-width: 420px;
    width: 100%;
    text-align: center;
}
h1 {
    color: #004aad;
    margin-bottom: 10px;
}
.sub {
    font-size: 0.95rem;
    margin-bottom: 20px;
}
form input {
    width: 100%;
    padding: 10px 12px;
    margin: 8px 0;
    border: 1px solid #d0d4e0;
    border-radius: 4px;
    font-size: 1rem;
}
button {
    width: 100%;
    padding: 12px;
    background: #004aad;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
}
button:hover {
    background: #00347a;
}
#status {
    margin-top: 12px;
    color: #1a7f37;
    font-weight: 600;
}
.hide {
    display: none;
}