body {
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    padding: 0;
    background: #f8f9fa;
    color: #333;
}

.card {
    background: white;
    padding: 20px;
    margin: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

h1, h2 {
    text-align: center;
    color: #16324f;
}

form {
    display: flex;
    flex-direction: column;
}

form input[type="text"] {
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}

form button {
    padding: 10px;
    background: #1e3d59;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

form button:hover {
    background: #35546d;
}

.link {
    display: inline-block;
    margin-top: 10px;
    color: #1e3d59;
    text-decoration: none;
    font-weight: bold;
}

.link:hover {
    text-decoration: underline;
}

/* Tambahan responsif */
@media (max-width: 600px) {
    .card {
        margin: 10px;
        padding: 15px;
    }

    form input[type="text"],
    form button {
        font-size: 16px;
    }
}