body {
    margin: 0;
    padding: 0;
    background: #f5f7fa;
    font-family: Arial, sans-serif;
}

.container {
    width: 90%;
    max-width: 420px;
    margin: 70px auto;
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
    text-align: center;
}

h1 {
    margin: 0;
    color: #0b497b;
}

.subtitle {
    font-size: 14px;
    margin: 5px 0 20px;
}

input {
    width: 100%;
    padding: 12px;
    margin: 8px 0;
    border-radius: 6px;
    border: 1px solid #ccc;
}

button {
    width: 100%;
    padding: 12px;
    background: #0b497b;
    color: white;
    border: none;
    font-size: 16px;
    border-radius: 6px;
    cursor: pointer;
}

button:hover {
    background: #07375f;
}

#statusBox {
    margin-top: 20px;
    font-size: 15px;
}