/* ============================================
   公文写作 AI Agent — 全局样式
   ============================================ */

/* ---- Reset ---- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: var(--font-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  color: var(--color-body);
  background: var(--color-bg);
  min-height: 100vh;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--color-primary-dark);
}

ul,
ol {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ---- 排版 ---- */
h1 {
  font-size: var(--font-h1);
  line-height: var(--lh-h1);
  font-weight: 600;
  color: var(--color-title);
}
h2 {
  font-size: var(--font-h2);
  line-height: var(--lh-h2);
  font-weight: 600;
  color: var(--color-title);
}
h3 {
  font-size: var(--font-h3);
  line-height: var(--lh-h3);
  font-weight: 500;
  color: var(--color-title);
}

.text-secondary {
  color: var(--color-secondary);
  font-size: var(--font-small);
}
.text-caption {
  color: var(--color-disabled);
  font-size: var(--font-caption);
}

/* ============================================
   整体布局：模拟嵌入管理后台
   左侧边栏 + 顶栏 + 主内容区
   ============================================ */

.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ---- 侧边栏 ---- */
.sidebar {
  width: var(--sidebar-width);
  background: var(--color-bg-white);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
}

.sidebar-brand {
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0 var(--space-md);
  border-bottom: 1px solid var(--color-border);
  font-weight: 600;
  font-size: var(--font-h3);
  color: var(--color-primary);
}
.sidebar-brand .brand-icon {
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-sm) 0;
  overflow-y: auto;
}

.nav-group-label {
  padding: var(--space-md) var(--space-md) var(--space-xs);
  font-size: var(--font-caption);
  color: var(--color-disabled);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px var(--space-md);
  margin: 2px var(--space-sm);
  border-radius: var(--radius-md);
  font-size: var(--font-body);
  color: var(--color-body);
  cursor: pointer;
  transition: all var(--transition);
}
.nav-item:hover {
  background: var(--color-bg);
  color: var(--color-primary);
}
.nav-item.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 500;
}
.nav-item .nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.nav-item .nav-icon svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.5;
}

/* ---- 主内容区 ---- */
.main-wrapper {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---- 顶栏 ---- */
.topbar {
  height: var(--header-height);
  background: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-small);
  color: var(--color-secondary);
}
.breadcrumb span {
  color: var(--color-title);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-small);
  font-weight: 600;
}

/* ---- 页面内容 ---- */
.page-content {
  padding: var(--space-lg);
  flex: 1;
}

.page-header {
  margin-bottom: var(--space-lg);
}
.page-header h1 {
  margin-bottom: var(--space-xs);
}
.page-header p {
  color: var(--color-secondary);
  font-size: var(--font-body);
}

/* ============================================
   通用组件
   ============================================ */

/* ---- 按钮 ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: var(--font-body);
  font-family: var(--font-family);
  font-weight: 500;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  line-height: 20px;
  white-space: nowrap;
}
.btn svg {
  width: 16px;
  height: 16px;
}
.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-body);
  border-color: var(--color-border);
}
.btn-ghost:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-sm {
  padding: 4px 12px;
  font-size: var(--font-small);
}

.btn-lg {
  padding: 12px 24px;
  font-size: var(--font-h3);
}

/* ---- 卡片 ---- */
.card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

/* ---- 表单 ---- */
.form-group {
  margin-bottom: var(--space-md);
}
.form-label {
  display: block;
  font-size: var(--font-body);
  font-weight: 500;
  color: var(--color-title);
  margin-bottom: 6px;
}
.form-label .required {
  color: var(--color-error);
  margin-left: 2px;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-body);
  font-family: var(--font-family);
  color: var(--color-body);
  background: var(--color-bg-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}
.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-disabled);
}
.form-textarea {
  resize: vertical;
  min-height: 80px;
}
.form-hint {
  font-size: var(--font-small);
  color: var(--color-secondary);
  margin-top: 4px;
}

/* ---- 标签 ---- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  font-size: var(--font-small);
  border-radius: 100px;
  font-weight: 500;
}
.tag-primary {
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.tag-success {
  background: var(--color-success-bg);
  color: var(--color-success);
}
.tag-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}
.tag-error {
  background: var(--color-error-bg);
  color: var(--color-error);
}

/* ---- 搜索框 ---- */
.search-box {
  position: relative;
  display: flex;
  align-items: center;
}
.search-box .search-icon {
  position: absolute;
  left: 10px;
  width: 16px;
  height: 16px;
  color: var(--color-disabled);
  pointer-events: none;
}
.search-box .form-input {
  padding-left: 34px;
}

/* ---- Tab 切换 ---- */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-lg);
}
.tab-item {
  padding: 10px var(--space-md);
  font-size: var(--font-body);
  color: var(--color-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
  font-weight: 500;
  margin-bottom: -1px;
}
.tab-item:hover {
  color: var(--color-primary);
}
.tab-item.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ---- 表格 ---- */
.table-wrapper {
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
}
th,
td {
  text-align: left;
  padding: 12px var(--space-md);
  border-bottom: 1px solid var(--color-border-light);
  font-size: var(--font-body);
}
th {
  font-weight: 500;
  color: var(--color-secondary);
  background: var(--color-bg);
  font-size: var(--font-small);
}
tr:hover td {
  background: var(--color-bg);
}

/* ---- 分页 ---- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  font-size: var(--font-small);
  color: var(--color-secondary);
}
.pagination .page-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-white);
  cursor: pointer;
  transition: all var(--transition);
  font-size: var(--font-small);
  color: var(--color-body);
}
.pagination .page-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.pagination .page-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ---- 空状态 ---- */
.empty-state {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  color: var(--color-secondary);
}
.empty-state .empty-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  color: var(--color-disabled);
}
.empty-state p {
  margin-bottom: var(--space-md);
}

/* ---- Toast 提示 ---- */
.toast {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px var(--space-md);
  border-radius: var(--radius-md);
  font-size: var(--font-body);
  font-weight: 500;
}
.toast-success {
  background: var(--color-success-bg);
  color: var(--color-success);
}
.toast-error {
  background: var(--color-error-bg);
  color: var(--color-error);
}

/* ---- 网格布局 ---- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

/* ---- 工具栏 ---- */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}
.toolbar-left,
.toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* ---- 响应式 ---- */
@media (max-width: 768px) {
  .sidebar {
    display: none;
  }
  .main-wrapper {
    margin-left: 0;
  }
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   交互组件
   ============================================ */

/* ---- Toast 通知（增强版） ---- */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  max-width: 380px;
}
.toast {
  background: #fff;
  color: var(--color-title);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: var(--font-body);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  position: relative;
  overflow: hidden;
  border-left: 4px solid var(--color-primary);
  transform: translateX(0);
  transition: transform 0.28s cubic-bezier(0.4,0,0.2,1), opacity 0.28s ease;
}
.toast-enter {
  transform: translateX(100%);
  opacity: 0;
}
.toast-exit {
  transform: translateX(100%);
  opacity: 0;
}
.toast.success { border-left-color: #059669; background: #F0FDF4; }
.toast.success .toast-icon { color: #059669; }
.toast.error { border-left-color: #DC2626; background: #FEF2F2; }
.toast.error .toast-icon { color: #DC2626; }
.toast.warning { border-left-color: #D97706; background: #FFFBEB; }
.toast.warning .toast-icon { color: #D97706; }
.toast.info { border-left-color: #1A56DB; background: #EFF6FF; }
.toast.info .toast-icon { color: #1A56DB; }
.toast-icon { flex-shrink: 0; margin-top: 1px; }
.toast-msg { flex: 1; line-height: 1.5; }
.toast-close {
  background: none; border: none; cursor: pointer; font-size: 18px;
  color: var(--color-disabled); padding: 0; line-height: 1; flex-shrink: 0;
}
.toast-close:hover { color: var(--color-secondary); }
.toast-progress {
  position: absolute; bottom: 0; left: 0; right: 0; height: 3px;
  background: rgba(0,0,0,0.05);
}
.toast-progress-bar {
  height: 100%; width: 100%; border-radius: 0 0 0 var(--radius-md);
}
.toast.success .toast-progress-bar { background: #059669; }
.toast.error .toast-progress-bar { background: #DC2626; }
.toast.warning .toast-progress-bar { background: #D97706; }
.toast.info .toast-progress-bar { background: #1A56DB; }

/* ---- Loading 遮罩 ---- */
.loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.88);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 50;
  border-radius: 2px;
  animation: fadeIn 0.2s ease;
}
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid #E5E7EB;
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.loading-text {
  margin-top: 12px;
  font-size: var(--font-body);
  color: var(--color-secondary);
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---- 确认对话框（增强版） ---- */
.dialog-mask {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 9000;
  display: none;           /* 默认隐藏，避免透明覆盖层拦截点击 */
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.dialog-mask.dialog-visible { display: flex; opacity: 1; }  /* 显示时才 flex + opacity 1 */
.dialog-mask.dialog-visible .dialog-box {
  transform: scale(1);
  opacity: 1;
}
.dialog-box {
  background: #fff;
  border-radius: var(--radius-xl);
  width: 480px;
  max-width: 92vw;
  box-shadow: var(--shadow-xl);
  transform: scale(0.95);
  opacity: 0;
  transition: transform 0.25s cubic-bezier(0.4,0,0.2,1), opacity 0.2s ease;
}
.dialog-sm { width: 480px; }
.dialog-md { width: 640px; }
.dialog-lg { width: 800px; }
.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 0;
}
.dialog-header h3 {
  font-size: var(--font-h3);
  font-weight: 600;
  color: var(--color-title);
  margin: 0;
}
.dialog-close-btn {
  background: none; border: none; cursor: pointer;
  font-size: 22px; color: var(--color-disabled);
  width: 32px; height: 32px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s ease;
}
.dialog-close-btn:hover { background: var(--color-bg); color: var(--color-secondary); }
.dialog-body {
  padding: 16px 24px;
}
.dialog-body p {
  color: var(--color-secondary);
  font-size: var(--font-body);
  line-height: 1.6;
  margin: 0;
}
.dialog-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
  padding: 12px 24px 20px;
}
.btn-danger {
  background: #DC2626;
  color: #fff;
  border: none;
  padding: 8px 20px;
  border-radius: var(--radius-md);
  font-size: var(--font-body);
  cursor: pointer;
  transition: background 0.15s ease;
}
.btn-danger:hover { background: #B91C1C; }

/* ---- Preview 占位符 ---- */
.preview-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 100px 40px;
  color: var(--color-disabled);
}
.preview-placeholder svg {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-md);
  opacity: 0.35;
}
.preview-placeholder h3 {
  font-size: var(--font-h3);
  color: var(--color-secondary);
  margin-bottom: var(--space-xs);
  font-weight: 500;
}
.preview-placeholder p {
  font-size: var(--font-body);
  max-width: 280px;
}

/* ---- contenteditable 可编辑标记 ---- */
[contenteditable="true"] {
  outline: none;
  border-radius: 2px;
  transition: box-shadow 0.15s ease;
}
[contenteditable="true"]:hover {
  box-shadow: inset 0 0 0 1px rgba(26,86,219,0.2);
}
[contenteditable="true"]:focus {
  box-shadow: inset 0 0 0 2px rgba(26,86,219,0.3);
  background: rgba(26,86,219,0.02);
}

/* ---- 校正面板隐藏态 ---- */
.correction-panel.hidden,
.result-panel.hidden {
  display: none;
}

/* ---- 按钮加载态 ---- */
.btn.is-loading {
  pointer-events: none;
  opacity: 0.75;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-spinner {
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

/* ---- 表单验证错误态 ---- */
.form-input.is-error,
.form-select.is-error,
textarea.is-error {
  border-color: #DC2626 !important;
  box-shadow: 0 0 0 3px rgba(220,38,38,0.1);
}
.field-error {
  font-size: 12px;
  color: #DC2626;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ---- 自动保存状态指示器 ---- */
.save-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-small);
  color: var(--color-disabled);
  transition: color 0.2s ease;
}
.save-indicator.saved { color: #059669; }
.save-indicator.saving { color: var(--color-primary); }
.save-indicator .save-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
}

/* ---- 字数统计 ---- */
.char-count {
  font-size: 12px;
  color: var(--color-disabled);
  text-align: right;
  padding: 4px 0;
}

/* ---- 公文预览样式（A4 纸内部） ---- */
.gw-header { text-align: center; margin-bottom: 30px; }
.gw-organ {
  font-size: 22pt;
  font-weight: bold;
  color: #C00000;
  font-family: "方正小标宋", "FangSong", "SimSun", serif;
  letter-spacing: 2px;
  margin-bottom: 20px;
}
.gw-title {
  font-size: 22pt;
  font-weight: bold;
  font-family: "方正小标宋", "FangSong", "SimSun", serif;
  line-height: 1.4;
  margin-bottom: 10px;
}
.gw-ref {
  font-size: 16pt;
  font-family: "仿宋", "FangSong", "FangSong_GB2312", serif;
  color: var(--color-secondary);
}
.gw-body {
  font-size: 16pt;
  font-family: "仿宋", "FangSong", "FangSong_GB2312", serif;
  line-height: 28.5pt;
}
.gw-recipient {
  font-size: 16pt;
  font-family: "仿宋", "FangSong", "FangSong_GB2312", serif;
  margin-bottom: 16px;
}
.gw-paragraph {
  text-indent: 2em;
  margin-bottom: 8px;
}
.gw-subtitle {
  font-family: "黑体", "SimHei", "Microsoft YaHei", sans-serif;
  font-size: 16pt;
  font-weight: bold;
  margin: 16px 0 8px;
}
.gw-footer {
  text-align: right;
  margin-top: 40px;
  font-size: 16pt;
  font-family: "仿宋", "FangSong", "FangSong_GB2312", serif;
}
.gw-sign { margin-bottom: 8px; }
.gw-date { letter-spacing: 1px; }

/* ---- 打字机光标闪烁 ---- */
.typing-cursor::after {
  content: '|';
  animation: blink 0.8s step-end infinite;
  color: var(--color-primary);
  font-weight: 300;
}
@keyframes blink {
  50% { opacity: 0; }
}

/* ---- 校对高亮标记 ---- */
.proofread-mark {
  position: relative;
  cursor: pointer;
  transition: background 0.15s ease;
}
.proofread-mark.severity-error {
  background: rgba(220,38,38,0.15);
  border-bottom: 2px solid #DC2626;
}
.proofread-mark.severity-warning {
  background: rgba(217,119,6,0.12);
  border-bottom: 2px solid #D97706;
}
.proofread-mark.severity-info {
  background: rgba(26,86,219,0.1);
  border-bottom: 2px solid #1A56DB;
}
.proofread-mark:hover {
  filter: brightness(0.95);
}
.proofread-mark.active {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

/* ---- 校对结果面板增强 ---- */
.issue-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.15s ease;
  border: 1px solid transparent;
}
.issue-item:hover { background: var(--color-bg); }
.issue-item.active { background: #EFF6FF; border-color: var(--color-primary); }
.issue-severity {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 6px;
}
.issue-severity.error { background: #DC2626; }
.issue-severity.warning { background: #D97706; }
.issue-severity.info { background: #1A56DB; }
.issue-content { flex: 1; min-width: 0; }
.issue-title {
  font-size: var(--font-body);
  font-weight: 500;
  color: var(--color-title);
  margin-bottom: 2px;
}
.issue-desc {
  font-size: 12px;
  color: var(--color-secondary);
  line-height: 1.5;
}
.issue-fix-btn {
  font-size: 12px;
  color: var(--color-primary);
  background: none;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 2px 10px;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s ease;
  align-self: center;
}
.issue-fix-btn:hover { background: var(--color-primary); color: #fff; }
.issue-fix-btn.fixed {
  background: #F0FDF4;
  color: #059669;
  border-color: #059669;
  pointer-events: none;
}

/* ---- 文档类型选择器（编辑器页面） ---- */
.type-selector {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.type-selector-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border);
  background: #fff;
  cursor: pointer;
  font-size: 13px;
  color: var(--color-secondary);
  transition: all 0.15s ease;
  user-select: none;
}
.type-selector-item:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.type-selector-item.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.type-selector-item .type-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
}

/* ---- 空状态 ---- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 40px;
  color: var(--color-disabled);
}
.empty-state svg {
  width: 80px; height: 80px;
  margin-bottom: 16px;
  opacity: 0.3;
}
.empty-state h3 {
  font-size: var(--font-h3);
  color: var(--color-secondary);
  font-weight: 500;
  margin-bottom: 6px;
}
.empty-state p {
  font-size: var(--font-body);
  max-width: 300px;
  text-align: center;
}

/* ---- 骨架屏 ---- */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-sm);
}
.skeleton-line {
  height: 16px;
  margin-bottom: 12px;
}
.skeleton-line.w-full { width: 100%; }
.skeleton-line.w-3-4 { width: 75%; }
.skeleton-line.w-half { width: 50%; }
.skeleton-line.w-1-3 { width: 33%; }
.skeleton-title {
  height: 24px;
  width: 40%;
  margin-bottom: 20px;
}
@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================
   页面描述弹窗 (Page Description Modal)
   ============================================ */

/* 触发按钮 */
.btn-page-desc {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-white);
  color: var(--color-secondary);
  font-size: var(--font-small);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  line-height: 1;
}
.btn-page-desc svg { transition: color 0.15s ease; }
.btn-page-desc:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}
.btn-page-desc:active { transform: scale(0.97); }

/* 遮罩层 */
.pd-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 10000;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 20px 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  overflow-y: auto;
}
.pd-overlay.pd-visible {
  opacity: 1;
  pointer-events: auto;
}
.pd-overlay.pd-visible .pd-modal {
  transform: translateY(0) scale(1);
  opacity: 1;
}

/* 弹窗主体 */
.pd-modal {
  background: #fff;
  border-radius: 12px;
  width: 960px;
  max-width: 96vw;
  min-height: 640px;
  max-height: calc(100vh - 60px);
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  transform: translateY(-20px) scale(0.97);
  opacity: 0;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease;
  overflow: hidden;
}

/* 弹窗头部 */
.pd-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 28px 0;
  flex-shrink: 0;
}
.pd-header-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.pd-header-icon svg { color: var(--color-primary); }
.pd-header-text { flex: 1; min-width: 0; }
.pd-header-text h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-title);
  margin: 0 0 2px;
}
.pd-header-text p {
  font-size: var(--font-small);
  color: var(--color-secondary);
  margin: 0;
}
.pd-close {
  width: 36px;
  height: 36px;
  border: none;
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-disabled);
  transition: all 0.15s;
  flex-shrink: 0;
}
.pd-close:hover { background: var(--color-bg); color: var(--color-secondary); }

/* Tab 导航 */
.pd-tabs {
  display: flex;
  gap: 0;
  padding: 16px 28px 0;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.pd-tabs::-webkit-scrollbar { display: none; }
.pd-tab {
  padding: 8px 16px;
  font-size: var(--font-body);
  font-weight: 500;
  color: var(--color-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  transition: all 0.15s;
  user-select: none;
}
.pd-tab:hover { color: var(--color-primary); }
.pd-tab.pd-tab-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* 内容区 */
.pd-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px 28px 28px;
}
.pd-panel { display: none; }
.pd-panel.pd-panel-active { display: block; }

/* 内容样式 */
.pd-section {
  margin-bottom: 24px;
}
.pd-section:last-child { margin-bottom: 0; }
.pd-section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-title);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.pd-section-title::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 14px;
  background: var(--color-primary);
  border-radius: 2px;
}
.pd-text {
  font-size: 13px;
  color: var(--color-secondary);
  line-height: 1.7;
}
.pd-text p { margin-bottom: 6px; }
.pd-text p:last-child { margin-bottom: 0; }

/* 表格 */
.pd-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.pd-table th {
  background: var(--color-bg);
  color: var(--color-title);
  font-weight: 600;
  text-align: left;
  padding: 9px 12px;
  border-bottom: 1px solid var(--color-border);
}
.pd-table td {
  padding: 8px 12px;
  color: var(--color-secondary);
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: top;
  line-height: 1.5;
}
.pd-table tr:last-child td { border-bottom: none; }
.pd-table tr:hover td { background: #fafafa; }
.pd-tag-required {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  background: #FEF2F2;
  color: #DC2626;
}
.pd-tag-optional {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 11px;
  background: var(--color-bg);
  color: var(--color-disabled);
}
.pd-tag-enum {
  display: inline-block;
  font-size: 11px;
  color: #6B7280;
  font-family: monospace;
}
.pd-tag-type {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 100px;
  font-size: 11px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-family: 'Courier New', monospace;
}

/* 流程图样式 */
.pd-flow {
  background: var(--color-bg);
  border-radius: 8px;
  padding: 16px 20px;
  font-size: 12.5px;
  color: var(--color-body);
  line-height: 1.8;
}
.pd-flow-step {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 8px;
  position: relative;
}
.pd-flow-step:last-child { margin-bottom: 0; }
.pd-flow-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}
.pd-flow-arrow {
  color: var(--color-disabled);
  padding: 2px 0 2px 22px;
  font-size: 18px;
  line-height: 1;
}
.pd-flow-content { flex: 1; }
.pd-flow-content strong { color: var(--color-title); }
.pd-flow-content span { color: var(--color-secondary); }

/* 代码块 */
.pd-code {
  background: #1e2030;
  border-radius: 8px;
  padding: 14px 16px;
  font-family: 'Courier New', Consolas, monospace;
  font-size: 12px;
  color: #c0c5ce;
  line-height: 1.7;
  overflow-x: auto;
  white-space: pre;
}
.pd-code .kw { color: #c792ea; }
.pd-code .str { color: #c3e88d; }
.pd-code .num { color: #f78c6c; }
.pd-code .cmt { color: #676e95; }
.pd-code .key { color: #82aaff; }
.pd-code .val { color: #c3e88d; }

/* 工作流节点 */
.pd-workflow {
  margin-bottom: 16px;
}
.pd-wf-node {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 6px;
  position: relative;
}
.pd-wf-node-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-title);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.pd-wf-node-type {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 500;
}
.pd-wf-type-start { background: #D1FAE5; color: #065F46; }
.pd-wf-type-llm { background: #DBEAFE; color: #1E40AF; }
.pd-wf-type-kb { background: #EDE9FE; color: #5B21B6; }
.pd-wf-type-code { background: #FEF3C7; color: #92400E; }
.pd-wf-type-end { background: #F3F4F6; color: #374151; }
.pd-wf-type-cond { background: #FEE2E2; color: #991B1B; }
.pd-wf-node-desc {
  font-size: 12px;
  color: var(--color-secondary);
  line-height: 1.5;
}
.pd-wf-arrow {
  text-align: center;
  color: var(--color-disabled);
  font-size: 16px;
  margin: 2px 0;
}
.pd-prompt-box {
  background: #FAFAFA;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: 6px;
  padding: 12px 14px;
  font-size: 12px;
  color: var(--color-body);
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-all;
}

/* 信息卡片 */
.pd-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}
.pd-info-card {
  background: var(--color-bg);
  border-radius: 8px;
  padding: 12px 16px;
}
.pd-info-card-label {
  font-size: 11px;
  color: var(--color-disabled);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.pd-info-card-value {
  font-size: 13px;
  color: var(--color-body);
  font-weight: 500;
}
.pd-highlight {
  background: var(--color-primary-light);
  color: var(--color-primary);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
  font-family: 'Courier New', monospace;
}

/* 接口卡片 */
.pd-api-card {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin-bottom: 16px;
  overflow: hidden;
}
.pd-api-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
.pd-method {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
}
.pd-method-get { background: #D1FAE5; color: #065F46; }
.pd-method-post { background: #DBEAFE; color: #1E40AF; }
.pd-method-put { background: #FEF3C7; color: #92400E; }
.pd-method-delete { background: #FEE2E2; color: #991B1B; }
.pd-api-path {
  font-family: 'Courier New', monospace;
  font-size: 13px;
  color: var(--color-title);
  font-weight: 500;
}
.pd-api-desc {
  font-size: 12px;
  color: var(--color-secondary);
  margin-left: auto;
}

/* 时序图嵌入 */
.pd-seq-wrap {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: #fff;
  overflow: hidden;
}
.pd-seq-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
.pd-seq-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-title);
}
.pd-seq-link {
  font-size: 12px;
  color: var(--color-primary);
}
.pd-seq-desc {
  padding: 10px 12px;
  font-size: 12px;
  color: var(--color-secondary);
  border-bottom: 1px solid var(--color-border-light);
}
.pd-seq-frame {
  display: block;
  width: 100%;
  height: 620px;
  border: 0;
  background: #fff;
}
.pd-api-body { padding: 0; }
.pd-param-label {
  padding: 8px 14px 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: #fafafa;
}
.pd-api-body .pd-table { border: none; border-radius: 0; }
.pd-api-body .pd-table th { background: #fafafa; }

/* 响应示例区 */
.pd-collapsible-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 14px; cursor: pointer; border-top: 1px solid var(--color-border-light);
  background: #fafafa; font-size: 12px; color: var(--color-secondary);
  user-select: none;
}
.pd-collapsible-header:hover { background: var(--color-bg); }
.pd-collapsible-icon {
  transition: transform 0.2s;
}
.pd-collapsible.open .pd-collapsible-icon { transform: rotate(180deg); }
.pd-collapsible-content { display: none; padding: 8px 14px 12px; }
.pd-collapsible.open .pd-collapsible-content { display: block; }

/* 小徽章 */
.pd-badge {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 500;
}
.pd-badge-blue { background: var(--color-primary-light); color: var(--color-primary); }
.pd-badge-green { background: #D1FAE5; color: #065F46; }
.pd-badge-gray { background: var(--color-bg); color: var(--color-secondary); }
.pd-badge-orange { background: #FEF3C7; color: #92400E; }

/* 分割线 + 标题组合 */
.pd-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-title);
}
.pd-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* 两列布局 */
.pd-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 768px) {
  .pd-two-col { grid-template-columns: 1fr; }
  .pd-info-grid { grid-template-columns: 1fr; }
}