.pk-container {
    border: 1px solid #ddd;
    padding: 20px;
    margin: 20px auto;
    max-width: 600px;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.pk-form-wrapper input[type="text"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    box-sizing: border-box;
}
.pk-form-wrapper button {
    padding: 10px 20px;
    background-color: #0073aa;
    color: white;
    border: none;
    cursor: pointer;
    border-radius: 4px;
}
#pk-countdown {
    font-size: 2em;
    font-weight: bold;
    color: #d54e21;
}
.pk-result {
    padding: 20px;
    border-radius: 5px;
    font-size: 1.2em;
    font-weight: bold;
    margin-top: 20px;
}
.pk-result.lulus {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}
.pk-result.tidak-lulus {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}
.pk-result.tidak-ditemukan {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}
.pk-catatan {
    margin-top: 15px;
    font-size: 1em;
    font-style: italic;
    color: #555;
}