body {
    font-family: Arial, sans-serif;
    background-color: #f4f7f6;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

.button-cek {
    width: 100%;
    padding: 10px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.button-verify {
    width: 100%;
    padding: 10px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.alert-error {
    color: #721c24;
    background-color: #f8d7da;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
    border: 1px solid #f5c6cb;
}

.alert-error {
    color: #721c24;
    background-color: #f8d7da;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
    border: 1px solid #f5c6cb;
}

/* Styling Tambahan Logo & Footer */
.logo-instansi {
    display: block;
    margin: 0 auto 25px auto; /* [Perubahan] Memberikan jarak/margin 25px SETELAH logo ke teks bawahnya */
    max-width: 30px; /* [Perubahan] Mengecilkan logo dari 90px menjadi 65px agar lebih manis */
    height: auto;
}

.footer-text {
    text-align: center;
    font-size: 12px;
    color: #888;
    margin-top: 40px;
    border-top: 1px dashed #ddd;
    padding-top: 15px;
}

/* =========================================
   RESPONSIVE DESIGN (KHUSUS TAMPILAN HP)
   ========================================= */
@media screen and (max-width: 600px) {
    body {
        padding: 10px;
    }
    
    .card {
        margin: 20px auto;
        padding: 20px;
    }

    .info-group strong {
        display: block;
        width: 100%;
        margin-bottom: 5px;
        color: #555;
    }

    .btn-row {
        flex-direction: row;
        gap: 5px;
    }

    .status-container .badge {
        font-size: 16px;
        padding: 10px 20px;
        display: block; 
    }
}