/* ============================================================
   世界书样式（升级版：组树 + 条件编辑器 + 选择器）
   ============================================================ */

.worldbook-container {
  max-height: 70vh;
  overflow-y: auto;
  padding: 0.5rem 0;
}

/* ============================================================
   头部
   ============================================================ */

.worldbook-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.worldbook-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}
.worldbook-actions input[type="text"] {
  min-width: 150px;
}

/* ============================================================
   组树
   ============================================================ */

.wb-group-tree {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.wb-group-node {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-secondary);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.wb-group-node:hover {
  border-color: var(--color-border-focus);
}

.wb-group-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.8rem;
  cursor: pointer;
  user-select: none;
  background: var(--color-bg-primary);
  transition: background var(--transition-fast);
}

.wb-group-header:hover {
  background: var(--color-bg-secondary);
}

.wb-group-header .wb-group-toggle {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  transition: transform var(--transition-fast);
}

.wb-group-header .wb-group-toggle.expanded {
  transform: rotate(90deg);
}

.wb-group-header .wb-group-icon {
  font-size: 1.1rem;
}

.wb-group-header .wb-group-name {
  font-weight: var(--font-weight-medium);
  flex: 1;
}

.wb-group-header .wb-group-status {
  font-size: 0.7rem;
  padding: 0.05rem 0.5rem;
  border-radius: var(--radius-full);
}

.wb-group-header .wb-group-status.enabled {
  background: var(--color-secondary);
  color: #fff;
}

.wb-group-header .wb-group-status.disabled {
  background: var(--color-border);
  color: var(--color-text-muted);
}

.wb-group-header .wb-group-count {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-left: 0.5rem;
}

.wb-group-header .wb-group-actions {
  display: flex;
  gap: 0.2rem;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.wb-group-header:hover .wb-group-actions {
  opacity: 1;
}

.wb-group-header .wb-group-actions .icon-btn {
  width: 28px;
  height: 28px;
  font-size: 0.8rem;
}

.wb-group-body {
  padding: 0.3rem 0.8rem 0.8rem 0.8rem;
  display: none;
  border-top: 1px solid var(--color-border-light);
}

.wb-group-body.expanded {
  display: block;
}

/* ============================================================
   组内规则列表
   ============================================================ */

.wb-group-rules {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.wb-rule-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-light);
  transition: border-color var(--transition-fast);
}

.wb-rule-item:hover {
  border-color: var(--color-border);
}

.wb-rule-item .wb-rule-status {
  font-size: 0.7rem;
  width: 16px;
  text-align: center;
}

.wb-rule-item .wb-rule-name {
  font-weight: var(--font-weight-medium);
  font-size: 0.9rem;
  flex: 1;
}

.wb-rule-item .wb-rule-desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  flex: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.wb-rule-item .wb-rule-actions {
  display: flex;
  gap: 0.2rem;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.wb-rule-item:hover .wb-rule-actions {
  opacity: 1;
}

.wb-rule-item .wb-rule-actions .icon-btn {
  width: 26px;
  height: 26px;
  font-size: 0.7rem;
}

/* ============================================================
   规则卡片（无组时显示）
   ============================================================ */

.wb-rule-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.8rem;
  background: var(--color-bg-primary);
  transition: background 0.2s;
}

.wb-rule-card.disabled {
  opacity: 0.6;
  background: var(--color-bg-secondary);
}

.wb-rule-card .wb-rule-header {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.wb-rule-card .wb-rule-name {
  font-weight: bold;
  font-size: 0.95rem;
}

.wb-rule-card .wb-rule-scope {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.wb-rule-card .wb-rule-status {
  font-size: 0.7rem;
  padding: 0.05rem 0.5rem;
  border-radius: var(--radius-full);
}

.wb-rule-card .wb-rule-status.enabled {
  background: var(--color-secondary);
  color: #fff;
}

.wb-rule-card .wb-rule-status.disabled {
  background: var(--color-border);
  color: var(--color-text-muted);
}

.wb-rule-card .wb-rule-desc {
  margin: 0.2rem 0;
  font-size: 0.85rem;
}

.wb-rule-card .wb-rule-condition {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  padding: 0.2rem 0.4rem;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xs);
  margin: 0.2rem 0;
}

.wb-rule-card .wb-rule-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.wb-rule-card .wb-rule-actions {
  margin-top: 0.3rem;
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
}

/* ============================================================
   条件编辑器
   ============================================================ */

.wb-condition-editor {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  padding: 0.8rem;
  border: 1px solid var(--color-border);
  min-height: 60px;
}

.wb-cond-node {
  position: relative;
  margin-bottom: 0.3rem;
}

.wb-cond-node:last-child {
  margin-bottom: 0;
}

.wb-cond-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.wb-cond-badge {
  font-size: 0.6rem;
  font-weight: var(--font-weight-semibold);
  padding: 0.05rem 0.4rem;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.wb-cond-badge.simple {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.wb-cond-badge.and {
  background: var(--color-secondary-light);
  color: var(--color-secondary-dark);
}

.wb-cond-badge.or {
  background: var(--color-warning-light);
  color: var(--color-warning-dark);
}

.wb-cond-badge.not {
  background: var(--color-danger-light);
  color: var(--color-danger-dark);
}

.wb-cond-simple .wb-cond-row {
  background: var(--color-bg-primary);
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
}

.wb-cond-simple .wb-cond-row:hover {
  border-color: var(--color-border);
}

.wb-cond-composite {
  border-left: 2px solid var(--color-border);
  padding-left: 0.5rem;
}

.wb-cond-composite .wb-cond-header {
  background: var(--color-bg-primary);
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
  margin-bottom: 0.3rem;
}

.wb-cond-composite .wb-cond-header:hover {
  border-color: var(--color-border);
}

.wb-cond-composite .wb-cond-count {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

.wb-cond-composite .wb-cond-actions {
  display: flex;
  gap: 0.2rem;
  margin-left: auto;
}

.wb-cond-children {
  padding-left: 0.5rem;
}

.wb-cond-children .wb-cond-node:last-child {
  margin-bottom: 0;
}

.wb-cond-path,
.wb-cond-op {
  min-width: 100px;
  padding: 0.15rem 0.3rem;
  font-size: 0.85rem;
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-border-light);
  background: var(--color-bg-primary);
}

.wb-cond-value {
  flex: 1;
  min-width: 80px;
  padding: 0.15rem 0.3rem;
  font-size: 0.85rem;
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-border-light);
  background: var(--color-bg-primary);
}

.btn-add-child,
.btn-toggle-type,
.btn-remove-cond {
  font-size: 0.65rem;
  padding: 0.05rem 0.4rem;
}

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

.btn-remove-cond:hover {
  background: rgba(225, 112, 85, 0.1);
}

/* ============================================================
   规则选择器
   ============================================================ */

.wb-selector {
  position: relative;
}

.wb-selector-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  padding: 0.3rem 0.5rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-primary);
  min-height: 36px;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.wb-selector-tags:hover {
  border-color: var(--color-border-focus);
}

.wb-selector-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  padding: 0.05rem 0.3rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
}

.wb-selector-tag .wb-selector-tag-remove {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  padding: 0 0.1rem;
  font-size: 0.6rem;
  opacity: 0.7;
}

.wb-selector-tag .wb-selector-tag-remove:hover {
  opacity: 1;
}

.wb-selector-placeholder {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.wb-selector-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 0.2rem;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  max-height: 200px;
  display: none;
  flex-direction: column;
}

.wb-selector-dropdown.visible {
  display: flex;
}

.wb-selector-search {
  padding: 0.3rem 0.5rem;
  border: none;
  border-bottom: 1px solid var(--color-border-light);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  background: var(--color-bg-secondary);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.wb-selector-search:focus {
  outline: none;
}

.wb-selector-options {
  overflow-y: auto;
  max-height: 150px;
  padding: 0.2rem 0;
}

.wb-selector-option {
  display: flex;
  flex-direction: column;
  padding: 0.2rem 0.5rem;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.wb-selector-option:hover {
  background: var(--color-bg-secondary);
}

.wb-selector-option-name {
  font-size: 0.85rem;
}

.wb-selector-option-desc {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

.wb-selector-empty {
  padding: 0.5rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* 组选择器 */
.wb-group-selector .wb-selector-select {
  width: 100%;
  padding: 0.3rem 0.5rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-primary);
  font-size: 0.85rem;
  cursor: pointer;
}

.wb-group-selector .wb-selector-select:focus {
  border-color: var(--color-border-focus);
  outline: none;
}

/* ============================================================
   世界书编辑器
   ============================================================ */

.worldbook-editor .form-group {
  margin-bottom: 0.8rem;
}

.worldbook-editor textarea {
  width: 100%;
  min-height: 60px;
  font-family: monospace;
}

.worldbook-editor-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  margin-top: 1rem;
}

/* ============================================================
   组设置对话框
   ============================================================ */

.wb-group-settings .form-group {
  margin-bottom: 0.8rem;
}

.wb-group-settings .wb-group-rule-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  padding: 0.3rem;
  min-height: 30px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
}

.wb-group-settings .wb-group-rule-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  padding: 0.05rem 0.3rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
}

.wb-group-settings .wb-group-rule-tag .remove {
  cursor: pointer;
  opacity: 0.7;
}

.wb-group-settings .wb-group-rule-tag .remove:hover {
  opacity: 1;
}

/* ============================================================
   空状态
   ============================================================ */

.wb-empty {
  text-align: center;
  color: var(--color-text-muted);
  padding: 2rem;
}

.wb-empty .wb-empty-icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.wb-empty .wb-empty-text {
  font-size: 1rem;
}

/* ============================================================
   响应式
   ============================================================ */

@media (max-width: 768px) {
  .worldbook-header {
    flex-direction: column;
    align-items: stretch;
  }
  .worldbook-actions {
    flex-wrap: wrap;
  }
  .worldbook-actions input[type="text"] {
    min-width: 100px;
    flex: 1;
  }
  
  .wb-group-header {
    flex-wrap: wrap;
  }
  .wb-group-header .wb-group-actions {
    opacity: 1;
  }
  
  .wb-rule-item {
    flex-wrap: wrap;
  }
  .wb-rule-item .wb-rule-desc {
    flex-basis: 100%;
    margin-left: 1.5rem;
  }
  .wb-rule-item .wb-rule-actions {
    opacity: 1;
  }
  
  .wb-cond-row {
    flex-wrap: wrap;
  }
  .wb-cond-path,
  .wb-cond-op {
    min-width: 80px;
    flex: 1;
  }
  .wb-cond-value {
    flex-basis: 100%;
  }
  
  .wb-selector-dropdown {
    max-height: 150px;
  }
}

@media (max-width: 480px) {
  .wb-group-header .wb-group-count {
    display: none;
  }
  .wb-rule-item .wb-rule-desc {
    display: none;
  }
  .wb-cond-badge {
    font-size: 0.5rem;
  }
  .wb-cond-path,
  .wb-cond-op {
    font-size: 0.75rem;
    min-width: 60px;
  }
  .wb-cond-value {
    font-size: 0.75rem;
  }
}