/* 章节管理页面样式 */
.sections-container {
    padding: 20px;
}

.section-tree {
    margin-top: 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--background-color);
}

.section-item {
    border-bottom: 1px solid var(--border-color);
}

.section-item:last-child {
    border-bottom: none;
}

.section-header {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: var(--card-background);
}

.section-toggle {
    background: none;
    border: none;
    padding: 4px;
    margin-right: 8px;
    cursor: pointer;
    color: var(--text-color);
}

.section-toggle .disabled {
    opacity: 0.3;
    cursor: default;
}

.section-title {
    flex: 1;
    font-size: 1rem;
    color: var(--text-color);
}

.section-actions {
    display: flex;
    gap: 8px;
}

.section-actions button {
    background: none;
    border: none;
    padding: 4px 8px;
    cursor: pointer;
    color: var(--text-color);
    opacity: 0.7;
    transition: opacity 0.2s;
}

.section-actions button:hover {
    opacity: 1;
}

.section-children {
    display: none;
    padding-left: 24px;
    background: var(--background-color-light);
}

.section-children.expanded {
    display: block;
}

.empty-state {
    padding: 40px;
    text-align: center;
    color: var(--text-color-light);
}

/* 添加章节按钮 */
#add-section {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
}

#add-section:hover {
    background: var(--primary-color-dark);
}

#add-section i {
    font-size: 0.9em;
}

/* 注意：对话框样式已移至styles.css中统一管理 */

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
}

.form-group input[type="text"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--input-background);
    color: var(--text-color);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
}

.warning-text {
    color: var(--danger-color);
    margin: 16px 0;
}