/* 世界书应用样式 */
#worldbook-app {
    background: var(--background-color);
}

.worldbook-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    padding-bottom: calc(16px + env(safe-area-inset-bottom));
}

/* 世界书列表 */
.worldbook-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.worldbook-item {
    background: var(--surface-color);
    border-radius: 16px;
    padding: 16px;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: all 0.2s;
    animation: slideInUp 0.3s ease;
}

.worldbook-item:active {
    transform: scale(0.98);
    box-shadow: var(--shadow-md);
}

.worldbook-item.folder {
    border-left: 4px solid var(--warning-color);
}

.worldbook-item.book {
    border-left: 4px solid var(--primary-color);
}

.worldbook-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.worldbook-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.worldbook-icon.folder {
    background: linear-gradient(135deg, #fff3e0, #ffe0b2);
}

.worldbook-icon.book {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
}

.worldbook-info {
    flex: 1;
    min-width: 0;
}

.worldbook-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.worldbook-meta {
    font-size: 13px;
    color: var(--text-secondary);
}

.worldbook-actions {
    display: flex;
    gap: 4px;
}

.worldbook-action-btn {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: none;
    background: var(--background-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
}

.worldbook-action-btn:active {
    transform: scale(0.9);
    background: var(--border-color);
}

.worldbook-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.worldbook-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.worldbook-tag {
    padding: 4px 10px;
    border-radius: 12px;
    background: var(--background-color);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
}

.worldbook-tag.bound {
    background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
    color: var(--success-color);
}

/* 世界书编辑器 */
.worldbook-editor {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 16px;
    overflow-y: auto;
}

.editor-section {
    background: var(--surface-color);
    border-radius: 12px;
    padding: 16px;
    box-shadow: var(--shadow-sm);
}

.editor-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.editor-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    color: var(--text-primary);
    background: var(--background-color);
    transition: all 0.2s;
}

.editor-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.editor-textarea {
    min-height: 120px;
    resize: vertical;
    font-family: inherit;
}

.editor-hint {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 6px;
}

/* 绑定角色区域 */
.bound-chars {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.bound-char-chip {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    color: var(--primary-color);
    font-size: 13px;
    font-weight: 500;
}

.bound-char-remove {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 12px;
}

.add-char-btn {
    padding: 6px 12px;
    border-radius: 20px;
    border: 1.5px dashed var(--border-color);
    background: none;
    color: var(--primary-color);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.add-char-btn:active {
    transform: scale(0.95);
    background: var(--background-color);
}

/* 文件夹视图 */
.folder-view {
    padding: 16px;
}

.folder-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--surface-color);
    border-radius: 12px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    overflow-x: auto;
    white-space: nowrap;
}

.breadcrumb-item {
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    flex-shrink: 0;
}

.breadcrumb-item:hover {
    text-decoration: underline;
}

.breadcrumb-separator {
    color: var(--text-tertiary);
    font-size: 14px;
}

.folder-empty {
    padding: 60px 20px;
    text-align: center;
}

.folder-empty-icon {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.3;
}

.folder-empty-text {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.folder-create-btn {
    padding: 12px 24px;
    border-radius: 12px;
    border: none;
    background: var(--primary-color);
    color: white;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.folder-create-btn:active {
    transform: scale(0.95);
    background: #0051D5;
}