/* --- Global Styles --- */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    background-color: #f4f4f4;
    color: #333;
    padding: 20px 15px;
}

.container {
    max-width: 700px;
    margin: 0 auto;
}

/* --- Header Styles --- */
header {
    background-color: #0056b3;
    color: white;
    padding: 20px 0;
    text-align: center;
    border-radius: 12px 12px 0 0;
}

header .logo {
    max-width: 180px;
    margin-bottom: 10px;
}

header h1 {
    margin: 0;
    font-size: 2em;
}

header p {
    margin: 5px 0 0;
    font-style: italic;
}

/* --- Main Content Styles --- */
main {
    padding: 0;
}

.form-container {
    background-color: white;
    padding: 30px;
    margin-bottom: 20px;
    border-radius: 0 0 12px 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

h2 {
    color: #0056b3;
    border-bottom: 2px solid #f4f4f4;
    padding-bottom: 10px;
    margin-top: 0;
}

/* --- Form Styles --- */
.form-group {
    margin-bottom: 15px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box; /* Penting untuk menjaga padding tidak menambah lebar */
}

input[readonly] {
    background-color: #e9ecef;
    color: #495057;
    cursor: default;
    border: 1px solid #ccc;
}

button {
    background-color: #0056b3;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
}

button:hover {
    background-color: #004494;
}

/* --- CAPTCHA Image Styles --- */
.captcha-image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 2 kolom */
    gap: 10px;
    margin-top: 10px;
}

.captcha-image-grid img {
    width: 100%;
    height: auto; /* Mempertahankan rasio aspek gambar */
    border: 2px solid #ccc;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    object-fit: cover; /* Memastikan gambar mengisi ruang tanpa distorsi */
}

.captcha-image-grid img:hover {
    border-color: #0056b3;
    transform: scale(1.02);
}

.captcha-image-grid img.selected { /* Menggunakan img.selected untuk spesifikasi yang lebih baik */
    border-color: #28a745; /* Warna hijau untuk yang terpilih */
    box-shadow: 0 0 8px rgba(40, 167, 69, 0.6);
}

/* --- Footer Styles --- */
footer {
    background-color: #0056b3;
    color: white;
    text-align: center;
    padding: 20px 0;
    margin-top: 20px;
    border-radius: 12px;
}

footer p {
    margin: 5px 0;
}