/* --- 世界书 (World Book) 样式 --- */

#world-book-screen, 
#edit-world-book-screen {
    background-color: #f2f2f2;
}

#chat-list-screen .content,
#world-book-screen .content {
    padding: 10px 0 80px 0;
}

/* 世界书列表项 */
#world-book-list-container {
    padding: 0;
    margin: 0;
    list-style: none;
}

/* 世界书分类标题 */
.world-book-category-title {
    padding: 10px 20px 5px 20px;
    font-size: 16px;
    font-weight: 600;
    color: #555;
    background-color: #f2f4f5;
    border-bottom: 1px solid #e5e5e5;
    border-top: 1px solid #e5e5e5;
    margin-top: 10px;
}

#world-book-list-container > .world-book-category-title:first-child {
    margin-top: 0;
    border-top: none;
}

/* 世界书分类选择样式 (Accordion) */
.world-book-category-group {
    border-bottom: 1px solid #f0f0f0;
    margin-bottom: 5px;
}

.world-book-category-group:last-child {
    border-bottom: none;
}

.world-book-category-header {
    display: flex;
    align-items: center;
    padding: 12px 5px;
    cursor: pointer;
    user-select: none;
}

.world-book-category-header .category-checkbox {
    margin-right: 15px;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.world-book-category-header .category-name {
    font-weight: 600;
    color: #333333;
    flex-grow: 1;
}

.world-book-category-header .category-arrow {
    font-size: 12px;
    transition: transform 0.3s ease;
    color: #999;
}

.world-book-category-group.open .category-arrow {
    transform: rotate(180deg);
}

.world-book-items-list {
    list-style: none;
    padding: 0 0 0 25px; /* 左侧缩进 */
    margin: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-in-out;
}

.world-book-category-group.open .world-book-items-list {
    max-height: 1000px;
    padding-bottom: 10px;
}

/* 世界书条目 */
.world-book-item {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
    transition: background-color 0.2s ease;
    position: relative;
    background-color: #fff;
}

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

.world-book-item:hover {
    background-color: #fdf6f8;
}

.world-book-item.is-selecting {
    cursor: pointer;
}

.world-book-item.selected::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 15px;
    transform: translateY(-50%);
    background-color: var(--primary-color);
    color: white;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.world-book-item.selected {
    padding-left: 50px !important;
    background-color: rgba(206, 228, 241, 0.3);
}

/* 世界书多选工具栏 */
#world-book-multi-select-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    padding-bottom: 10px;
    border-top: 1px solid #eee;
    z-index: 20;
    animation: slideUp 0.3s ease-out;
}

/* 世界书选择模态框 */
#world-book-selection-modal,
#global-pomodoro-world-book-selection-modal,
#journal-worldbook-selection-modal {
    z-index: 201;
}

#world-book-selection-modal .modal-window,
#global-pomodoro-world-book-selection-modal .modal-window,
#journal-worldbook-selection-modal .modal-window {
    width: 90%;
    max-width: 380px;
}

#world-book-selection-list,
#global-pomodoro-world-book-selection-list,
#journal-worldbook-selection-list {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 40vh;
    overflow-y: auto;
}

.world-book-select-item {
    display: flex;
    align-items: center;
    padding: 12px 5px;
    border-bottom: 1px solid #f0f0f0;
}

.world-book-select-item:last-child {
    border-bottom: none;
}

.world-book-select-item input[type="checkbox"] {
    margin-right: 15px;
    width: 20px;
    height: 20px;
}

.world-book-select-item label {
    font-weight: 500;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
}