:root {
    --primary: #4CAF50;
    --primary-hover: #45a049;
    --secondary: #2196F3;
    --secondary-hover: #1976D2;
    --danger: #f44336;
    --danger-hover: #d32f2f;
    --background: #f0f8ff;
    --card-bg: #ffffff;
    --text: #333333;
    --border: #e0e0e0;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.center-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.card {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    width: 100%;
}

.main-card {
    text-align: center;
    max-width: 400px;
}

h1 {
    margin-bottom: 10px;
    color: var(--primary);
}

h2, h3 {
    margin-bottom: 15px;
}

p {
    margin-bottom: 20px;
}

.role-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    text-align: center;
    transition: background-color 0.3s, transform 0.1s;
    color: white;
}

.btn:active {
    transform: scale(0.98);
}

.btn:disabled {
    background-color: #cccccc !important;
    cursor: not-allowed;
    transform: none;
}

.btn-primary {
    background-color: var(--primary);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
}

.btn-secondary {
    background-color: var(--secondary);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--secondary-hover);
}

.btn-danger {
    background-color: var(--danger);
}

.btn-danger:hover:not(:disabled) {
    background-color: var(--danger-hover);
}

.btn-large {
    padding: 15px 30px;
    font-size: 18px;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary);
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Utils */
.hidden {
    display: none !important;
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

.text-center {
    text-align: center;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    background-color: #f8f9fa;
    font-weight: bold;
}

/* Tampilan CBT Puspernas */
.cbt-question-text {
    font-size: 16px;
    font-weight: normal;
    line-height: 1.6;
    margin-bottom: 25px;
    white-space: pre-wrap; /* Mempertahankan spasi dan baris baru dari Excel */
    text-align: left;
}

.cbt-option {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    margin-bottom: 12px;
    border: 1px solid #ccc;
    border-radius: 8px;
    background-color: #fff;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    color: var(--text);
}

.cbt-option:hover {
    background-color: #f0f8ff;
    border-color: var(--secondary);
}

.cbt-option-letter {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 30px;
    height: 30px;
    border: 1px solid #999;
    border-radius: 50%;
    margin-right: 15px;
    font-weight: bold;
    flex-shrink: 0;
}

.cbt-option:active .cbt-option-letter {
    background-color: var(--secondary);
    color: white;
    border-color: var(--secondary);
}

.cbt-option-text {
    flex-grow: 1;
    font-size: 15px;
}