.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.section {
    margin-bottom: 40px;
    background: #f5f5f5;
    padding: 20px;
    border-radius: 8px;
}

h1 {
    text-align: center;
    color: #333;
}

h2 {
    color: #444;
    margin-bottom: 20px;
}

input, select, textarea {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

textarea {
    height: 100px;
    resize: vertical;
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #45a049;
}

.course-list, .module-list, .question-list {
    margin-top: 20px;
}

.course-item, .module-item, .question-item {
    background: white;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.course-item, .module-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.course-item.active, .module-item.active {
    border: 2px solid #4CAF50;
    background-color: #f0fff0;
}

.breadcrumb {
    margin-bottom: 20px;
    padding: 10px;
    background-color: #f8f9fa;
    border-radius: 4px;
    font-size: 16px;
}

.breadcrumb span {
    font-weight: bold;
    color: #4CAF50;
}

.back-btn {
    float: right;
    background-color: #6c757d;
    font-size: 14px;
    padding: 5px 10px;
}

.back-btn:hover {
    background-color: #5a6268;
}

.course-select, .module-select {
    margin-top: 30px;
}

.course-select h3, .module-select h3 {
    color: #666;
    font-size: 16px;
    margin-bottom: 15px;
}

#exportSection {
    text-align: center;
}

.no-modules, .no-questions, .error {
    padding: 20px;
    text-align: center;
    background: #fff;
    border-radius: 4px;
    margin: 10px 0;
}

.no-modules, .no-questions {
    color: #666;
    font-style: italic;
}

.error {
    color: #721c24;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
}

.module-item span, .course-item span {
    flex-grow: 1;
    padding: 5px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.question-item {
    margin-bottom: 20px;
}

.question-item h3 {
    margin: 0 0 10px 0;
    color: #333;
}

.button-group {
    display: flex;
    gap: 10px;
}

.edit-btn {
    background-color: #2196F3;
}

.edit-btn:hover {
    background-color: #1976D2;
}

.delete-btn {
    background-color: #f44336;
}

.delete-btn:hover {
    background-color: #d32f2f;
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: white;
    margin: 15% auto;
    padding: 20px;
    border-radius: 8px;
    width: 80%;
    max-width: 600px;
    position: relative;
}

.close {
    position: absolute;
    right: 20px;
    top: 10px;
    font-size: 28px;
    cursor: pointer;
}

.close:hover {
    color: #666;
}