/* 后台原型统一字号与控件基线：只覆盖可读性和操作规格，不改变业务结构。 */
:root {
  --backend-control-height: 32px;
  --backend-control-compact-height: 28px;
  --backend-control-radius: 4px;
  --backend-control-padding-x: 12px;
  --backend-control-padding-compact-x: 8px;
  --backend-control-font: 14px;
  --backend-control-font-compact: 13px;
  --backend-control-font-primary: 14px;
  --backend-input-height: 32px;
  --backend-input-padding-x: 10px;
  --backend-input-text: #303133;
  --backend-input-placeholder: #909399;
  --backend-input-border: #dcdfe6;
  --backend-input-background: #fff;
  --backend-icon-hit-size: 44px;
  --backend-color-primary: #409eff;
  --backend-color-success: #67c23a;
  --backend-color-warning: #e6a23c;
  --backend-color-danger: #f56c6c;
  --backend-text-primary: #303133;
  --backend-text-regular: #606266;
  --backend-text-secondary: #909399;
  --backend-text-disabled: #c0c4cc;
  --backend-line: #dcdfe6;
  --backend-surface: #fff;
  --backend-page: #f5f7fa;
}

html { font-size: 14px; }
body { font-size: 14px !important; line-height: 1.6 !important; }

h1,
.page-head h1,
.page-title,
.page-title h1,
.detail-head h1 { font-size: 23px !important; line-height: 1.4 !important; }

h2,
.panel-head h2,
.section-title h2,
.detail h2,
.drawer-head h2,
.dialog-head h2,
.state-card h2,
.empty strong { font-size: 19px !important; line-height: 1.4 !important; }

h3,
.card-title,
.preview-title,
.info-card h2,
.info-card h3,
.map-head h3,
.side-card h3 { font-size: 16px !important; line-height: 1.4 !important; }

.backend-type-page-title { color: var(--backend-text-primary) !important; font-size: 23px !important; font-weight: 600 !important; line-height: 1.4 !important; }
.backend-type-module-title { color: var(--backend-text-primary) !important; font-size: 19px !important; font-weight: 600 !important; line-height: 1.4 !important; }
.backend-type-card-title { color: var(--backend-text-primary) !important; font-size: 16px !important; font-weight: 600 !important; line-height: 1.4 !important; }
.backend-type-body { color: var(--backend-text-regular) !important; font-size: 14px !important; font-weight: 400 !important; line-height: 1.6 !important; }
.backend-type-link { color: var(--backend-color-primary) !important; font-size: 13px !important; font-weight: 400 !important; line-height: 1.4 !important; }
.backend-type-meta { color: var(--backend-text-secondary) !important; font-size: 12px !important; font-weight: 400 !important; line-height: 1.4 !important; }
.backend-type-amount { color: var(--backend-text-primary) !important; font-size: 29px !important; font-weight: 600 !important; line-height: 1.2 !important; }

p,
li,
dd,
td,
label,
.tab,
.tabs button,
.notice,
.scope-note,
.risk-note,
.choice-note { line-height: 1.6 !important; }

small,
.brand small,
.nav-meta,
.nav-label,
.nav-title,
.muted,
.subline,
.help,
.hint,
.field-tip,
.footer-note,
.footnote,
.note,
.contract,
.badge,
.tag,
.status,
.mini-tag,
.preview-note,
.h5-footer,
.prototype-bar,
.thumb,
.service-thumb.empty,
.chevron,
.brand > span,
.phone-top,
.phone-status,
.phone-info,
.phone-info *,
.applet-native-bar,
.applet-circle,
.applet-leader,
.applet-subtitle,
.applet-tag,
.applet-fact-label,
.applet-fact-value,
.applet-price small,
.applet-benefits,
.applet-package strong,
.applet-package span,
.applet-schedule strong,
.applet-schedule span,
.applet-tabs button,
.applet-copy,
.applet-timeline div,
.applet-bottom button,
.v2-preview-dynamic,
.v2-preview-dynamic h4,
.taxonomy-hint,
.map-coord { font-size: 12px !important; line-height: 1.4 !important; }

.phone-price strong,
.applet-price { font-size: 29px !important; line-height: 1.2 !important; }

.nav-item,
.nav-head,
.nav-child,
.nav-link,
.nav-section,
.menu-item,
.tab,
.tabs button { min-width: 44px; min-height: var(--backend-icon-hit-size) !important; }

input:not([type="checkbox"]):not([type="radio"]):not([type="file"]),
select {
  box-sizing: border-box;
  min-width: 44px;
  height: var(--backend-input-height) !important;
  min-height: var(--backend-input-height) !important;
  padding: 0 var(--backend-input-padding-x) !important;
  color: var(--backend-input-text) !important;
  background: var(--backend-input-background) !important;
  border: 1px solid var(--backend-input-border) !important;
  border-radius: var(--backend-control-radius) !important;
  font-size: var(--backend-control-font) !important;
  font-weight: 400 !important;
  line-height: 1.4 !important;
}

textarea {
  box-sizing: border-box;
  min-width: 44px;
  min-height: 80px !important;
  padding: 8px var(--backend-input-padding-x) !important;
  color: var(--backend-input-text) !important;
  background: var(--backend-input-background) !important;
  border: 1px solid var(--backend-input-border) !important;
  border-radius: var(--backend-control-radius) !important;
  font-size: var(--backend-control-font) !important;
  font-weight: 400 !important;
  line-height: 1.6 !important;
}

input:not([type="checkbox"]):not([type="radio"]):not([type="file"])::placeholder,
textarea::placeholder {
  color: var(--backend-input-placeholder) !important;
  font-size: var(--backend-control-font) !important;
  font-weight: 400 !important;
  opacity: 1 !important;
}

input:not([type="checkbox"]):not([type="radio"]):not([type="file"]):focus,
select:focus,
textarea:focus {
  border-color: #409eff !important;
  outline: 0 !important;
  box-shadow: 0 0 0 2px rgba(64, 158, 255, .16) !important;
}

button,
.button,
.btn,
.backend-button,
.text-button,
.demo-button,
.page-btn,
.page-button,
.expand-button,
.select-like,
.file-button {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit !important;
  min-width: 32px;
  vertical-align: middle;
  white-space: nowrap;
}

/* 标准后台操作：主次按钮同高，层级只通过字号、颜色和边框区分。 */
.button,
.btn,
.backend-button,
.text-button,
.demo-button,
.page-btn,
.page-button,
.select-like,
.file-button,
button:not([class]) {
  height: var(--backend-control-height) !important;
  min-height: var(--backend-control-height) !important;
  border-radius: var(--backend-control-radius) !important;
  font-size: var(--backend-control-font) !important;
  line-height: 1.4 !important;
}

.button:not(.text):not(.link),
.btn:not(.text),
.backend-button:not(.text):not(.link),
.select-like,
.file-button {
  padding-right: var(--backend-control-padding-x) !important;
  padding-left: var(--backend-control-padding-x) !important;
}

.button.primary,
.btn.primary,
.backend-button.primary,
.btn.success,
.applet-primary {
  font-size: var(--backend-control-font-primary) !important;
}

.head-actions .btn:not(.primary):not(.success),
.footer-actions .btn:not(.primary):not(.success) {
  font-size: var(--backend-control-font) !important;
}

/* 按钮颜色和交互由共享规范统一，页面只选择语义，不自行配置颜色。 */
.button:not(.text):not(.link),
.btn:not(.text),
.backend-button:not(.text):not(.link):not(.primary):not(.success):not(.warning):not(.danger),
button:not([class]) {
  color: var(--backend-text-regular) !important;
  background: var(--backend-surface) !important;
  border: 1px solid var(--backend-line) !important;
}

.button.primary,
.btn.primary,
.backend-button.primary,
.button.success,
.btn.success,
.backend-button.success,
.button.warning,
.btn.warning,
.backend-button.warning,
.button.danger,
.btn.danger,
.backend-button.danger {
  color: #fff !important;
}
.button.primary,
.btn.primary,
.backend-button.primary { background: var(--backend-color-primary) !important; border: 1px solid var(--backend-color-primary) !important; }
.button.success,
.btn.success,
.backend-button.success { background: var(--backend-color-success) !important; border: 1px solid var(--backend-color-success) !important; }
.button.warning,
.btn.warning,
.backend-button.warning { background: var(--backend-color-warning) !important; border: 1px solid var(--backend-color-warning) !important; }
.button.danger,
.btn.danger,
.backend-button.danger { background: var(--backend-color-danger) !important; border: 1px solid var(--backend-color-danger) !important; }

.button.text,
.button.link,
.btn.text,
.backend-button.text,
.text-button,
.demo-button {
  color: var(--backend-color-primary) !important;
  background: transparent !important;
  border-color: transparent !important;
}
.danger-text,
.button.text.danger,
.btn.text.danger,
.backend-button.text.danger { color: var(--backend-color-danger) !important; }

.button:focus-visible,
.btn:focus-visible,
.backend-button:focus-visible,
button:not([class]):focus-visible {
  outline: 2px solid rgba(64, 158, 255, .38) !important;
  outline-offset: 2px !important;
}
.button:disabled,
.btn:disabled,
.backend-button:disabled,
.backend-button[aria-disabled="true"],
button:disabled {
  color: var(--backend-text-disabled) !important;
  background: #f5f7fa !important;
  border-color: #e4e7ed !important;
  cursor: not-allowed !important;
}

.backend-button[aria-busy="true"] { opacity: .65 !important; cursor: progress !important; }

/* 表格行内、文字操作和分页使用桌面端紧凑规格。 */
.button.text,
.button.link,
.btn.text,
.btn.small,
.backend-button.text,
.text-button,
.demo-button,
.page-btn,
.page-button,
.expand-button {
  height: var(--backend-control-compact-height) !important;
  min-height: var(--backend-control-compact-height) !important;
  padding-right: var(--backend-control-padding-compact-x) !important;
  padding-left: var(--backend-control-padding-compact-x) !important;
  font-size: var(--backend-control-font-compact) !important;
}

button:not([class]) {
  padding-right: var(--backend-control-padding-compact-x) !important;
  padding-left: var(--backend-control-padding-compact-x) !important;
  font-size: var(--backend-control-font) !important;
}

/* 无 class 的表格操作和翻页按钮也必须落入紧凑规格，禁止出现 32px 高配 13px 字的混搭。 */
.row-actions button:not([class]),
.table-actions button:not([class]),
td button:not([class]),
.pagination button:not([class]),
.pager button:not([class]),
.page-buttons button:not([class]) {
  height: var(--backend-control-compact-height) !important;
  min-height: var(--backend-control-compact-height) !important;
  padding-right: var(--backend-control-padding-compact-x) !important;
  padding-left: var(--backend-control-padding-compact-x) !important;
  font-size: var(--backend-control-font-compact) !important;
  line-height: 1.4 !important;
}

.row-actions .button,
.row-actions .btn,
.row-actions .backend-button,
.table-actions .button,
.table-actions .btn,
.table-actions .backend-button,
td .button,
td .btn,
td .backend-button,
.pagination .button,
.pagination .btn,
.pagination .backend-button,
.pager .button,
.pager .btn,
.pager .backend-button,
.page-buttons .button,
.page-buttons .btn,
.page-buttons .backend-button {
  height: var(--backend-control-compact-height) !important;
  min-height: var(--backend-control-compact-height) !important;
  padding-right: var(--backend-control-padding-compact-x) !important;
  padding-left: var(--backend-control-padding-compact-x) !important;
  font-size: var(--backend-control-font-compact) !important;
  line-height: 1.4 !important;
}

/* 单行输入、下拉与筛选操作统一复用联系人管理筛选框规格。 */
.filters input:not([type="checkbox"]):not([type="radio"]):not([type="file"]),
.filters select,
.filter-row input:not([type="checkbox"]):not([type="radio"]):not([type="file"]),
.filter-row select,
.filter-grid input:not([type="checkbox"]):not([type="radio"]):not([type="file"]),
.filter-grid select,
.toolbar input:not([type="checkbox"]):not([type="radio"]):not([type="file"]),
.toolbar select {
  height: var(--backend-input-height) !important;
  min-height: var(--backend-input-height) !important;
  padding-right: var(--backend-input-padding-x) !important;
  padding-left: var(--backend-input-padding-x) !important;
  color: var(--backend-input-text) !important;
  background: var(--backend-input-background) !important;
  border: 1px solid var(--backend-input-border) !important;
  border-radius: var(--backend-control-radius) !important;
  font-size: var(--backend-control-font) !important;
  line-height: 1.4 !important;
}

.filters .button:not(.text):not(.link),
.filters .btn:not(.text),
.filters .backend-button:not(.text),
.filter-row .button:not(.text):not(.link),
.filter-row .btn:not(.text),
.filter-row .backend-button:not(.text),
.filter-actions .button:not(.text):not(.link),
.filter-actions .btn:not(.text),
.filter-actions .backend-button:not(.text),
.filter-grid .button:not(.text):not(.link),
.filter-grid .btn:not(.text),
.filter-grid .backend-button:not(.text),
.toolbar .button:not(.text):not(.link),
.toolbar .btn:not(.text),
.toolbar .backend-button:not(.text) {
  height: var(--backend-control-height) !important;
  min-height: var(--backend-control-height) !important;
  padding-right: var(--backend-control-padding-x) !important;
  padding-left: var(--backend-control-padding-x) !important;
  font-size: var(--backend-control-font) !important;
}

/* 页签保持 14px 信息层级，但视觉高度与普通操作一致。 */
.tab,
.tabs button,
.inner-tab,
.review-tab,
.editor-tab {
  height: var(--backend-control-height) !important;
  min-height: var(--backend-control-height) !important;
  font-size: var(--backend-control-font) !important;
  line-height: 1.4 !important;
}

.page-btn,
.page-button,
.expand-button {
  width: var(--backend-control-compact-height) !important;
  min-width: var(--backend-control-compact-height) !important;
  height: var(--backend-control-compact-height) !important;
}
.page-btn.active,
.page-button.active,
.page-button.current {
  color: #fff !important;
  background: var(--backend-color-primary) !important;
  border-color: var(--backend-color-primary) !important;
}

/* 导航开关和关闭按钮保留 44px 点击目标，不计入 32/28px 文字按钮规格。 */
.hamburger,
.icon-close,
.dialog-close {
  width: var(--backend-icon-hit-size) !important;
  height: var(--backend-icon-hit-size) !important;
  min-width: var(--backend-icon-hit-size) !important;
  min-height: var(--backend-icon-hit-size) !important;
  padding: 0 !important;
  color: var(--backend-text-secondary) !important;
  background: transparent !important;
  border: 0 !important;
  border-radius: var(--backend-control-radius) !important;
  font-size: 13px !important;
}

.nav-item,
.nav-head,
.nav-child,
.nav-link,
.nav-section,
.menu-item,
.tab,
.tabs button {
  font-size: var(--backend-control-font) !important;
  line-height: 1.4 !important;
}

label:has(input[type="checkbox"]),
label:has(input[type="radio"]) { min-height: 44px; display: inline-flex; align-items: center; }

label.file-button { min-height: var(--backend-control-height); display: inline-flex; align-items: center; }

a.link { display: inline-flex; align-items: center; }
.pagination input { min-width: 32px !important; width: 32px !important; }

/* 单个日期统一复用 BackendUI.datePicker；日期范围控件不在本规则内。 */
.backend-date-picker { position: relative; width: 100%; }
.backend-date-trigger {
  display: flex;
  width: 100%;
  height: var(--backend-input-height);
  min-height: var(--backend-input-height);
  align-items: center;
  gap: 8px;
  padding: 0 var(--backend-input-padding-x);
  color: var(--backend-input-placeholder);
  background: var(--backend-input-background);
  border: 1px solid var(--backend-input-border);
  border-radius: var(--backend-control-radius);
  font-size: var(--backend-control-font);
  text-align: left;
}
.backend-date-trigger:hover,
.backend-date-trigger:focus-visible { color: var(--backend-text-regular); border-color: var(--backend-color-primary); outline: 0; }
.backend-date-trigger.has-value { color: var(--backend-input-text); }
.backend-date-value { flex: 1; overflow: hidden; white-space: nowrap; }
.backend-date-icon { width: 14px; height: 14px; flex: 0 0 14px; color: currentColor; }
.backend-date-popover {
  position: absolute;
  top: 38px;
  left: 0;
  z-index: 1300;
  width: 350px;
  padding: 14px;
  color: var(--backend-text-regular);
  background: var(--backend-surface);
  border: 1px solid #e4e7ed;
  border-radius: var(--backend-control-radius);
  box-shadow: 0 2px 12px rgba(0,0,0,.12);
}
.backend-date-popover[hidden] { display: none !important; }
.backend-date-popover.is-fixed { position: fixed; }
.backend-date-nav { display: flex; min-height: 32px; align-items: center; justify-content: space-between; gap: 8px; }
.backend-date-nav .backend-button { width: 32px; min-width: 32px; padding: 0; }
.backend-date-selects { display: flex; min-width: 0; align-items: center; gap: 6px; }
.backend-date-selects select { width: 94px !important; min-width: 0 !important; }
.backend-date-tip { margin: 4px 0 10px; color: var(--backend-text-secondary); font-size: 12px; text-align: center; }
.backend-date-week,
.backend-date-days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; text-align: center; }
.backend-date-week { color: var(--backend-text-secondary); font-size: 12px; line-height: 24px; }
.backend-date-day { width: 32px; height: 32px; padding: 0; color: var(--backend-text-regular); background: transparent; border: 0; border-radius: 50%; font-size: 13px; }
.backend-date-day:hover,
.backend-date-day.selected { color: #fff; background: var(--backend-color-primary); }
.backend-date-day.muted { color: var(--backend-text-disabled); }
.backend-date-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 12px; padding-top: 10px; border-top: 1px solid #ebeef5; }

/* 公共确认弹窗、导出确认和反馈提示。业务页面调用 backend-ui-components.js。 */
.backend-dialog-backdrop[hidden],
.backend-toast[hidden] { display: none !important; }
.backend-dialog-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1400;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(31, 45, 61, .44);
}
.backend-dialog {
  width: min(520px, calc(100vw - 48px));
  max-height: calc(100vh - 48px);
  overflow: auto;
  color: var(--backend-text-regular);
  background: var(--backend-surface);
  border: 1px solid #ebeef5;
  border-radius: var(--backend-control-radius);
  box-shadow: 0 18px 56px rgba(31, 45, 61, .24);
}
.backend-dialog-head,
.backend-dialog-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
}
.backend-dialog-head { justify-content: space-between; border-bottom: 1px solid #ebeef5; }
.backend-dialog-head h2 { margin: 0; }
.backend-dialog-body { padding: 18px; }
.backend-dialog-body > p { margin: 0; }
.backend-dialog-body dl { display: grid; grid-template-columns: 96px minmax(0, 1fr); margin: 14px 0 0; border-top: 1px solid #ebeef5; }
.backend-dialog-body dt,
.backend-dialog-body dd { margin: 0; padding: 10px 12px; border-bottom: 1px solid #ebeef5; }
.backend-dialog-body dt { color: var(--backend-text-secondary); background: #fafafa; }
.backend-dialog-warning { margin-top: 14px !important; padding: 10px 12px; color: #8a5a14; background: #fdf6ec; border-left: 3px solid var(--backend-color-warning); }
.backend-dialog-actions { justify-content: flex-end; border-top: 1px solid #ebeef5; }
.backend-toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 1500;
  max-width: min(420px, calc(100vw - 40px));
  padding: 10px 14px;
  color: #fff;
  background: #304156;
  border-radius: var(--backend-control-radius);
  box-shadow: 0 8px 24px rgba(31, 45, 61, .22);
  font-size: 14px;
  line-height: 1.6;
}

@media (max-width: 760px) {
  html,
  body { min-width: 0 !important; width: 100% !important; overflow-x: hidden; }

  .app,
  .app-shell,
  .workspace { grid-template-columns: minmax(0, 1fr) !important; }

  .app,
  .workspace { display: block !important; }
  .sidebar { position: static !important; width: 100% !important; height: auto !important; max-height: none !important; }
  body:has(#sidebar-toggle) .sidebar {
    position: fixed !important;
    width: 210px !important;
    height: 100vh !important;
  }
  .shell,
  main,
  .main { width: 100% !important; min-width: 0 !important; margin-left: 0 !important; grid-column: auto !important; }
  .main,
  .workspace { padding: 16px !important; }
  .layout,
  .two-col,
  .detail-grid,
  .form-grid,
  .field-row,
  .map-body,
  .v2-detail-columns { grid-template-columns: minmax(0, 1fr) !important; }
  .page-head,
  .toolbar,
  .topbar { flex-wrap: wrap; height: auto !important; min-height: 58px; }
  .toolbar-left,
  .toolbar-right,
  .inline,
  .filter-row,
  .filter-actions,
  .demo-controls,
  .tags { flex-wrap: wrap; height: auto !important; }
  .filters { grid-template-columns: minmax(0, 1fr) !important; }
  .stats,
  .metric-grid,
  .review-summary,
  .review-context { grid-template-columns: minmax(0, 1fr) !important; }
  .field { min-width: 0; max-width: 100%; flex-wrap: wrap; }
  .field input,
  .field select { min-width: 0; max-width: 100%; }
  .filter-row .field input,
  .filter-row .field select { flex: 1 1 142px; }
  .filter-actions { margin-left: 0 !important; }
  .panel,
  .card,
  .table-wrap,
  .table-scroll { max-width: 100%; }
  .table-wrap,
  .table-scroll,
  .panel:has(> table),
  .card:has(> table) { overflow-x: auto !important; }
  dialog,
  .drawer,
  .modal,
  .map-dialog { width: calc(100vw - 24px) !important; max-width: calc(100vw - 24px) !important; }
}