/* ==========================================================
   订单同步助手客服端 · 设计系统
   保留 main.ts 中全部 class 名，不改 DOM 结构，只升级视觉语言
   参考 Linear / Stripe / Vercel / Ant Design 5
   ========================================================== */

:root {
  color-scheme: light;
  /* 中性色（Slate 冷灰带蓝调） */
  --gray-25:  #fcfcfd;
  --gray-50:  #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* 品牌色 */
  --brand-50:  #eff6ff;
  --brand-100: #dbeafe;
  --brand-200: #bfdbfe;
  --brand-300: #93c5fd;
  --brand-500: #3b82f6;
  --brand-600: #2563eb;
  --brand-700: #1d4ed8;
  --brand-800: #1e40af;

  /* 语义色 */
  --success-50:  #ecfdf5;
  --success-500: #10b981;
  --success-700: #047857;
  --warning-50:  #fffbeb;
  --warning-500: #f59e0b;
  --warning-700: #b45309;
  --danger-50:   #fef2f2;
  --danger-100:  #fee2e2;
  --danger-500:  #ef4444;
  --danger-700:  #b91c1c;

  /* 兼容旧变量 */
  --bg: var(--gray-50);
  --bg-grid: transparent;
  --brand: var(--brand-600);
  --brand-2: var(--brand-500);
  --brand-dark: var(--brand-800);
  --cyan: #0891b2;
  --green: var(--success-500);
  --amber: var(--warning-500);
  --magenta: #d946ef;
  --danger: var(--danger-500);
  --text: var(--gray-800);
  --text-soft: var(--gray-700);
  --muted: var(--gray-500);
  --surface: #ffffff;
  --surface-raised: #ffffff;
  --surface-tint: var(--gray-50);
  --surface-hot: var(--gray-100);
  --line: var(--gray-200);
  --line-strong: var(--gray-300);
  --shadow: 0 12px 40px rgba(15, 23, 42, 0.12), 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-soft: 0 4px 16px rgba(15, 23, 42, 0.08);
  --focus: 0 0 0 3px var(--brand-100);
  --radius: 8px;

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);

  font-family: 'Inter', 'Microsoft YaHei', 'PingFang SC', -apple-system, system-ui, 'Segoe UI', sans-serif;
  font-size: 13px;
  color: var(--gray-700);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* { box-sizing: border-box; }
html, body, #app {
  margin: 0;
  height: 100vh;
  overflow: hidden;
  background: var(--gray-50);
  color: var(--gray-800);
}
body { font-size: 13px; }
a { color: var(--brand-600); text-decoration: none; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }

button {
  font: inherit; cursor: pointer; border: none;
  border-radius: 6px; padding: 6px 14px;
  background: var(--brand-600); color: #fff;
  font-size: 13px; font-weight: 600;
  transition: background 120ms cubic-bezier(0.4,0,0.2,1), transform 120ms;
}
button:hover { background: var(--brand-700); }
button:active { transform: scale(0.98); }
button:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
button.secondary {
  background: #fff; color: var(--gray-700);
  border: 1px solid var(--gray-200); font-weight: 500;
}
button.secondary:hover { background: var(--gray-50); border-color: var(--gray-300); }
button.ghost {
  background: transparent; color: var(--gray-600); font-weight: 500;
}
button.ghost:hover { background: var(--gray-100); color: var(--gray-800); }
button.danger-btn {
  background: #fff; color: var(--danger-700);
  border: 1px solid var(--gray-200); font-weight: 500;
}
button.danger-btn:hover { background: var(--danger-50); border-color: #fecaca; }

input, select, textarea {
  font: inherit; border-radius: 6px;
  border: 1px solid var(--gray-200);
  background: #fff; color: var(--gray-800);
  padding: 6px 10px; height: 32px;
  transition: border-color 120ms, box-shadow 120ms;
}
input::placeholder { color: var(--gray-400); }
input:hover, select:hover { border-color: var(--gray-300); }
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--brand-500); box-shadow: var(--focus);
}

/* ========== 登录页：左右分栏 ========== */
.login-shell {
  height: 100vh;
  display: grid;
  grid-template-columns: 45fr 55fr;
  background: #fff;
  overflow: hidden;
}

/* 左侧品牌区 */
.login-brand {
  position: relative;
  background: linear-gradient(160deg, #1d4ed8 0%, #2563eb 50%, #3b82f6 100%);
  overflow: hidden;
  color: #fff;
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.login-brand::before {
  content: '';
  position: absolute;
  width: 700px; height: 700px;
  left: -250px; bottom: -200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.10), transparent 70%);
  pointer-events: none;
}
.login-brand::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(ellipse 600px 400px at 60% 50%, black 30%, transparent 80%);
  mask-image: radial-gradient(ellipse 600px 400px at 60% 50%, black 30%, transparent 80%);
  pointer-events: none;
}
.login-brand-logo {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
}
.login-brand-logo-icon {
  width: 32px; height: 32px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}
.login-brand-logo-text {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #fff;
}
.login-brand-content {
  position: relative;
  z-index: 2;
}
.login-brand-tagline {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 16px;
}
.login-brand-title {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  color: #fff;
}
.login-brand-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.75);
  max-width: 360px;
  margin: 0 0 32px;
}
.login-brand-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 360px;
}
.login-brand-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
}
.login-brand-feature-icon {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.login-brand-footer {
  position: relative;
  z-index: 2;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.7;
}
.login-brand-footer strong {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 600;
}

/* 右侧表单区 */
.login-form-side {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  background: #fff;
}
.login-form-side .login-card {
  width: 100%;
  max-width: 380px;
  display: grid;
  gap: 14px;
  padding: 0;
  border: none;
  background: transparent;
  box-shadow: none;
}
.login-form-side .login-card::before { content: none; }
.login-form-side .brand-block h1 {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 600;
  color: var(--gray-900);
  letter-spacing: -0.01em;
}
.login-form-side .brand-block p {
  margin: 0;
  color: var(--gray-500);
  font-size: 13px;
  line-height: 1.6;
}
.login-form-footer {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--gray-100);
  text-align: center;
  font-size: 11px;
  color: var(--gray-400);
}

/* 响应式：窄屏隐藏左侧品牌 */
@media (max-width: 880px) {
  .login-shell {
    grid-template-columns: 1fr;
  }
  .login-brand {
    display: none;
  }
}
.brand-block { text-align: left; margin-bottom: 8px; }
.brand-mark {
  width: 44px; height: 44px;
  border-radius: 10px; overflow: hidden;
  margin-bottom: 14px; box-shadow: var(--shadow-sm);
}
.brand-mark.compact { width: 28px; height: 28px; border-radius: 6px; margin-bottom: 0; }
.brand-mark svg { display: block; width: 100%; height: 100%; }
.brand-block h1, .topbar h1 {
  margin: 0; font-size: 18px; font-weight: 600;
  color: var(--gray-900); letter-spacing: -0.01em;
}
.brand-block p, .title-subtitle {
  margin: 4px 0 0; color: var(--gray-500);
  font-size: 13px; line-height: 1.6;
}
.login-card label {
  display: grid; gap: 6px;
  color: var(--gray-600); font-size: 12px; font-weight: 500;
}
.login-card input, .login-card select {
  width: 100%; height: 38px; font-size: 14px;
}
.login-card button { height: 40px; font-size: 14px; margin-top: 6px; }
.login-card .credential-option { padding: 8px 10px; }

.remember-password {
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  gap: 8px;
  margin: -2px 0 0;
  cursor: pointer;
  user-select: none;
}
.remember-password input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0;
  cursor: pointer;
  accent-color: #1368ff;
}
.remember-password span {
  font-size: 13px;
  color: var(--gray-600);
  font-weight: 500;
}

.credential-picker { position: relative; }
.credential-picker label { margin: 0; }
.credential-menu {
  position: absolute; z-index: 30;
  top: calc(100% + 4px); left: 0; right: 0;
  display: none; max-height: 220px; overflow: auto;
  padding: 4px; border: 1px solid var(--gray-200);
  border-radius: 8px; background: #fff;
  box-shadow: var(--shadow-md);
}
.credential-menu.open { display: grid; gap: 2px; }
.credential-option {
  width: 100%; display: grid; gap: 2px; justify-items: start;
  padding: 8px 10px; border: none; background: transparent;
  color: var(--gray-700); text-align: left;
  border-radius: 6px; font-size: 13px; font-weight: 400;
}
.credential-option:hover { background: var(--gray-50); color: var(--gray-900); }
.credential-option span { font-weight: 500; color: var(--gray-800); }
.credential-option small {
  color: var(--gray-400); font-size: 11px;
  font-family: 'JetBrains Mono', 'Cascadia Code', Consolas, monospace;
}

.form-error {
  margin: 0; padding: 10px 12px;
  background: var(--danger-50); border: 1px solid var(--danger-100);
  color: var(--danger-700); border-radius: 8px;
  font-size: 12px; line-height: 1.5;
}

/* ========== 工作区 ========== */
.workspace {
  height: 100vh; display: flex; flex-direction: column;
  overflow: hidden; background: var(--gray-50);
}

/* ========== Topbar ========== */
.topbar {
  height: 52px; background: #fff;
  border-bottom: 1px solid var(--gray-200);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px 0 20px; flex-shrink: 0;
  -webkit-app-region: drag;
}
.topbar-main {
  width: 100%; display: flex; align-items: center;
  justify-content: space-between; gap: 16px;
}
.title-group { display: flex; align-items: center; gap: 10px; }
.title-copy { display: flex; flex-direction: column; gap: 2px; }
.title-copy h1 {
  font-size: 14px; font-weight: 600;
  color: var(--gray-900); letter-spacing: -0.01em;
}

.summary-pills { display: flex; gap: 6px; flex-wrap: wrap; }
.summary-pills span {
  display: inline-flex; align-items: center; gap: 4px;
  height: 22px; padding: 0 10px; border-radius: 9999px;
  font-size: 11px; background: var(--gray-100);
  color: var(--gray-600); font-weight: 500;
}
.summary-pills strong {
  color: var(--gray-800); font-weight: 600;
  font-family: 'JetBrains Mono', Consolas, monospace;
}
.summary-pills .alert { background: var(--danger-50); color: var(--danger-700); }
.summary-pills .alert strong { color: var(--danger-700); }

.user-box {
  display: flex; align-items: center; gap: 6px;
  -webkit-app-region: no-drag;
}
.user-box button { -webkit-app-region: no-drag; }

.window-controls { display: flex; gap: 2px; margin-left: 4px; -webkit-app-region: no-drag; }
.window-btn {
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px; color: var(--gray-500);
  border: none; background: transparent;
  font-size: 14px; padding: 0;
}
.window-btn:hover { background: var(--gray-100); color: var(--gray-800); }
.window-btn.close:hover { background: var(--danger-500); color: #fff; }

/* 用户胶囊（含头像 + 名字） */
.user-name-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  border-radius: 9999px;
  background: transparent;
  color: var(--gray-700);
  border: none;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 120ms;
}
.user-name-btn:hover {
  background: var(--gray-100);
  color: var(--gray-900);
}
.user-avatar {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
}
.user-name-text {
  font-weight: 500;
}
/* 兼容旧 .user-name */
.user-name {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 9999px;
  background: transparent; color: var(--gray-700);
  border: 1px solid var(--gray-200);
  font-size: 12px; font-weight: 500;
}
.user-name:hover {
  background: var(--gray-50);
  border-color: var(--gray-300);
  color: var(--gray-900);
}

/* page-message 兼容（旧调用），实际由 toast 接管 */
.page-message { display: none; }

/* 浮动 toast */
.toast-host {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  max-width: 420px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  background: #fff;
  color: var(--gray-800);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-lg);
  animation: toast-slide-in 220ms cubic-bezier(0.4, 0, 0.2, 1);
}
.toast.success {
  background: var(--success-50);
  color: var(--success-700);
  border-color: #a7f3d0;
}
.toast.error {
  background: var(--danger-50);
  color: var(--danger-700);
  border-color: #fecaca;
}
.toast svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.toast span {
  flex: 1;
  word-break: break-word;
}
.toast-close {
  width: 22px; height: 22px; padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; color: inherit;
  border: none; border-radius: 4px;
  font-size: 16px; line-height: 1; opacity: 0.6;
}
.toast-close:hover { opacity: 1; background: rgba(0, 0, 0, 0.06); }

@keyframes toast-slide-in {
  from { transform: translateY(8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* 按钮内图标通用 */
button .icon, .icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* ========== 筛选 ========== */
.filter-card {
  margin: 12px 16px 0; background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 10px; padding: 14px 16px;
  box-shadow: var(--shadow-xs);
}
.filters, .header-filters {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end;
}

.source-card {
  display: inline-flex; background: var(--gray-100);
  border-radius: 6px; padding: 3px; height: 32px;
}
.source-segment {
  padding: 0 14px; font-size: 13px; font-weight: 500;
  color: var(--gray-500); border-radius: 4px;
  display: flex; align-items: center;
  background: transparent; border: none;
  transition: all 120ms;
}
.source-segment:hover { color: var(--gray-700); }
.source-segment.active {
  background: #fff; color: var(--gray-900);
  font-weight: 600; box-shadow: var(--shadow-xs);
}

/* 通用筛选字段标签包装 */
.filter-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.filter-field-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-500);
  letter-spacing: 0.02em;
}

.header-filters label {
  display: flex; flex-direction: column; gap: 6px;
  font-size: 12px; font-weight: 500; color: var(--gray-500);
}
.header-filters label > span,
.header-filters .date-filter-field > span,
.header-filters .multi-switch > span {
  font-size: 12px; color: var(--gray-500); font-weight: 500;
}
.header-filters input[type="search"] {
  height: 32px; padding: 0 10px;
  font-size: 13px; min-width: 200px;
}
.search-filter-group {
  flex: 0 0 auto; min-width: 220px;
  display: flex; flex-direction: column; gap: 6px;
}
.order-no-input {
  width: 240px; height: 32px; padding: 0 12px;
  font-size: 13px;
}

/* 日期筛选 */
.date-filter-field {
  display: flex; flex-direction: column; gap: 6px; position: relative;
}
.header-filters .date-filter-field { display: flex; flex-direction: column; }
.date-filter-row {
  display: flex; align-items: center; gap: 6px;
  height: 32px; border: 1px solid var(--gray-200);
  border-radius: 6px; background: #fff;
  padding: 0 6px 0 10px;
}
.date-filter-row:focus-within {
  border-color: var(--brand-500); box-shadow: var(--focus);
}
.date-filter-type {
  border: none; background: transparent;
  font-size: 13px; color: var(--gray-700);
  padding: 0 6px 0 0; height: 100%;
  border-right: 1px solid var(--gray-200);
  outline: none;
}
.date-filter-type:focus { box-shadow: none; border-color: var(--gray-200); }
.date-range-trigger {
  border: none; background: transparent;
  font-size: 13px; color: var(--gray-700);
  padding: 0 8px; height: 100%;
  display: flex; align-items: center; gap: 6px;
  min-width: 280px; font-weight: 400;
  cursor: pointer; white-space: nowrap;
}
.date-range-trigger:hover { background: transparent; color: var(--gray-900); }
.date-range-trigger.placeholder span { color: var(--gray-400); }
.date-range-trigger .icon { color: var(--gray-400); width: 14px; height: 14px; }

.date-panel {
  position: absolute; top: calc(100% + 4px); left: 0;
  width: min(680px, calc(100vw - 32px));
  background: #fff; border: 1px solid var(--gray-200);
  border-radius: 12px; box-shadow: var(--shadow-lg);
  z-index: 50; display: none; overflow: hidden;
}
.date-panel.open {
  display: grid;
  grid-template-columns: 96px 1fr;
  grid-template-rows: 1fr auto;
}
.date-shortcuts {
  grid-column: 1; grid-row: 1 / span 2;
  padding: 14px 8px;
  background: var(--gray-50);
  border-right: 1px solid var(--gray-100);
  display: flex; flex-direction: column; gap: 2px;
}
.date-shortcuts button {
  padding: 7px 10px; border-radius: 6px;
  font-size: 13px; color: var(--gray-700);
  text-align: left; background: transparent;
  border: none; font-weight: 500;
}
.date-shortcuts button:hover { background: #fff; color: var(--brand-700); }

.date-panel-main {
  grid-column: 2; grid-row: 1;
  padding: 14px 16px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.date-month-header {
  display: grid;
  grid-template-columns: 56px 1fr 56px;
  align-items: center;
  margin-bottom: 8px;
}
.date-month-nav-left { display: flex; gap: 2px; justify-content: flex-start; }
.date-month-nav-right { display: flex; gap: 2px; justify-content: flex-end; }
.date-month-title {
  text-align: center; font-size: 14px; font-weight: 600;
  color: var(--gray-900);
}
.calendar-nav-btn {
  width: 24px; height: 24px;
  border: none; background: transparent;
  color: var(--gray-500); border-radius: 4px;
  font-size: 14px; padding: 0; font-weight: 500;
  display: inline-flex; align-items: center; justify-content: center;
}
.calendar-nav-btn:hover { background: var(--gray-100); color: var(--gray-800); }

.calendar-weekdays, .calendar-grid {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px;
}
.calendar-weekdays { margin-bottom: 4px; }
.calendar-weekdays span {
  text-align: center; font-size: 11px;
  color: var(--gray-400); padding: 4px 0; font-weight: 500;
}
.calendar-day {
  height: 30px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 4px; font-size: 12px;
  color: var(--gray-700);
  font-family: 'JetBrains Mono', Consolas, monospace;
  background: transparent; border: none; padding: 0; font-weight: 500;
}
.calendar-day:hover { background: var(--gray-100); }
.calendar-day.muted-day { color: var(--gray-300); }
.calendar-day.in-range {
  background: var(--brand-50); border-radius: 0; color: var(--brand-700);
}
.calendar-day.selected {
  background: var(--brand-600); color: #fff;
  font-weight: 600; border-radius: 4px;
}

.date-panel-footer {
  grid-column: 2; grid-row: 2;
  border-top: 1px solid var(--gray-100);
  padding: 10px 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: #fff;
}
.date-panel-preview {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--brand-700); font-weight: 600;
}
.date-panel-preview strong {
  color: var(--brand-700); font-weight: 600;
  font-family: 'JetBrains Mono', Consolas, monospace;
}
.date-panel-preview em {
  font-style: normal; color: var(--gray-500); font-weight: 500;
}
.date-time-pill {
  display: inline-flex; align-items: center; justify-content: center;
  height: 26px; padding: 0 10px;
  border: 1px solid var(--gray-200); border-radius: 4px;
  background: #fff; color: var(--gray-700);
  font-size: 12px; font-weight: 500;
  font-family: 'JetBrains Mono', Consolas, monospace;
}
.date-panel-actions {
  display: flex; gap: 8px;
}

/* 多选 */
.multi-switch { position: relative; display: flex; flex-direction: column; gap: 6px; }
.header-filters .multi-switch { display: flex; }
.multi-switch > span { font-size: 12px; color: var(--gray-500); font-weight: 500; }
.unit-trigger {
  display: flex; align-items: center; gap: 6px;
  height: 32px; padding: 0 12px;
  border: 1px solid var(--gray-200); border-radius: 6px;
  background: #fff; font-size: 13px; color: var(--gray-700);
  font-weight: 400; min-width: 200px;
  cursor: pointer;
}
.unit-trigger:hover { border-color: var(--gray-300); }
.unit-trigger.placeholder .unit-trigger-text { color: var(--gray-400); }
.unit-trigger-text {
  flex-shrink: 0;
}
.unit-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 6px;
  border-radius: 9999px;
  background: var(--brand-50);
  color: var(--brand-700);
  font-size: 11px;
  font-weight: 600;
  font-family: 'JetBrains Mono', Consolas, monospace;
}
.unit-trigger-caret {
  margin-left: auto;
  width: 14px;
  height: 14px;
  color: var(--gray-400);
  flex-shrink: 0;
}
.unit-popover {
  position: absolute; top: calc(100% + 4px); left: 0;
  width: min(540px, calc(100vw - 32px));
  background: #fff; border: 1px solid var(--gray-200);
  border-radius: 12px; box-shadow: var(--shadow-lg);
  z-index: 50; display: none; overflow: hidden;
}
.unit-popover.open { display: flex; flex-direction: column; }
.unit-search-wrap {
  padding: 10px; display: flex; gap: 8px;
  align-items: center;
  border-bottom: 1px solid var(--gray-100);
}
.unit-search { flex: 0 0 220px; min-width: 0; height: 32px; padding: 0 10px; font-size: 13px; }
.unit-options {
  max-height: 280px; overflow: auto; padding: 8px;
  display: grid; grid-template-columns: repeat(2, minmax(200px, 1fr));
  gap: 4px;
}
.unit-option-btn {
  padding: 8px 10px; border-radius: 6px;
  background: transparent; color: var(--gray-700);
  border: none; text-align: left;
  font-size: 12px; font-weight: 400;
}
.unit-option-btn:hover { background: var(--gray-50); }
.unit-option-btn.active {
  background: var(--brand-50); color: var(--brand-700);
  font-weight: 500;
  box-shadow: inset 3px 0 0 var(--brand-600);
}
.unit-actions {
  padding: 10px; border-top: 1px solid var(--gray-100);
  display: flex; justify-content: space-between; gap: 8px;
}
.unit-selected-toggle {
  flex: 0 0 auto; white-space: nowrap;
  font-size: 12px; font-weight: 500;
  color: var(--brand-700);
  background: var(--brand-50); border: 1px solid var(--brand-100);
  padding: 0 12px; height: 32px; border-radius: 6px;
}
.unit-selected-toggle:hover {
  background: var(--brand-100); border-color: var(--brand-200);
  color: var(--brand-800);
}

.filter-actions { display: flex; gap: 8px; align-items: flex-end; }
.filter-actions button { height: 32px; }

/* 供应商 / 快速筛选 */
.quick-filters, .supplier-filter-row {
  margin: 12px 16px 0; padding: 10px 16px;
  background: #fff; border: 1px solid var(--gray-200);
  border-radius: 8px;
  display: flex; align-items: center; gap: 10px;
  flex-wrap: wrap; box-shadow: var(--shadow-xs);
}
.quick-group { display: flex; align-items: center; gap: 8px; }
.supplier-group { flex: 1; }
.quick-label {
  font-size: 12px; color: var(--gray-500);
  font-weight: 500; margin-right: 4px;
}
.quick-actions {
  display: flex; gap: 6px; flex-wrap: wrap;
  overflow-x: auto; max-width: 100%;
}
.chip-wrap { display: flex; gap: 6px; flex-wrap: wrap; }
.chip-btn {
  height: 26px; padding: 0 10px; border-radius: 13px;
  font-size: 12px; background: var(--gray-100);
  color: var(--gray-600); border: 1px solid transparent;
  font-weight: 400; transition: all 120ms; white-space: nowrap;
}
.chip-btn:hover { background: var(--gray-200); color: var(--gray-800); }
.chip-btn.active {
  background: var(--brand-50); color: var(--brand-700);
  font-weight: 500; border-color: var(--brand-200); box-shadow: none;
}
.supplier-group .quick-actions { flex-wrap: wrap; overflow-x: visible; }

/* ========== 表格面板 ========== */
.table-panel {
  margin: 12px 16px 16px; flex: 1; overflow: hidden;
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--gray-200);
  border-radius: 8px; box-shadow: var(--shadow-xs);
}

/* 用户管理 */
.user-admin {
  flex: 1; display: flex; flex-direction: column; gap: 12px;
  padding: 12px 16px 16px; overflow: auto;
}
.user-form {
  background: #fff; border: 1px solid var(--gray-200);
  border-radius: 8px; padding: 14px 16px;
  display: flex; align-items: center; gap: 10px;
  flex-wrap: wrap; box-shadow: var(--shadow-xs);
}
.user-form *, .user-admin button, .user-admin input, .user-admin select, .users-table {}
.user-form strong {
  font-size: 13px; font-weight: 600;
  color: var(--gray-800); margin-right: 4px;
}
.user-form input, .user-form select {
  height: 32px; font-size: 13px; min-width: 120px;
}
.user-form input[name="name"] { min-width: 140px; }
.users-panel {
  background: #fff; border: 1px solid var(--gray-200);
  border-radius: 8px; overflow: hidden;
  display: flex; flex-direction: column; flex: 1; min-height: 200px;
}
.users-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.users-table th, .users-table td {
  padding: 8px 10px; border-bottom: 1px solid var(--gray-100);
  white-space: normal; overflow-wrap: anywhere;
  text-align: left; vertical-align: middle;
}
.user-actions { display: flex; gap: 4px; flex-wrap: wrap; }
.user-actions button {
  font-size: 11px; padding: 3px 8px;
  height: 24px; border-radius: 4px;
}
.empty-cell {
  padding: 32px 16px !important; text-align: center;
  color: var(--gray-400); font-size: 13px;
}

/* 表格元信息 */
.table-meta {
  padding: 12px 16px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--gray-100);
  flex-wrap: wrap; gap: 10px;
}
.table-title { display: flex; align-items: center; gap: 12px; font-size: 13px; flex-wrap: wrap; }
.table-meta strong { font-size: 14px; color: var(--gray-900); font-weight: 600; }
.table-title-status {
  color: var(--gray-500);
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.table-title-status strong {
  color: var(--gray-700);
  font-weight: 600;
  font-family: 'JetBrains Mono', Consolas, monospace;
  font-size: 12px;
}
.table-title-sep { color: var(--gray-300); }
.table-title-status .online {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--success-700);
  font-weight: 500;
}
.table-title-status .online::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success-500);
}
.table-title-status .neutral-tag {
  color: var(--gray-500);
  font-weight: 500;
}
.table-settings-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff; border: 1px solid var(--gray-200);
  color: var(--gray-700); height: 30px; padding: 0 12px;
  border-radius: 6px; font-size: 12px; font-weight: 500;
}
.table-settings-btn:hover { background: var(--gray-50); border-color: var(--gray-300); }
.table-meta-actions { display: flex; align-items: center; gap: 12px; }
.table-scroll { flex: 1; overflow: auto; }

/* 分页 */
.table-pagination {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--gray-500);
}
.table-pagination select { height: 28px; padding: 0 8px; font-size: 12px; background: #fff; }
.pager-total { color: var(--gray-500); margin-right: 4px; }
.pager-btn {
  width: 28px; height: 28px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 4px; color: var(--gray-700);
  border: 1px solid var(--gray-200); background: #fff;
  font-size: 13px; font-weight: 500; padding: 0;
}
.pager-btn:hover:not(:disabled) {
  background: var(--gray-100); border-color: var(--gray-300);
}
.pager-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.pager-current {
  padding: 0 8px; color: var(--gray-700); font-weight: 500;
  font-family: 'JetBrains Mono', Consolas, monospace; font-size: 11px;
}

/* 订单表 */
.orders-table {
  width: 100%; min-width: 1400px;
  border-collapse: collapse; font-size: 12px;
  table-layout: fixed;
}
.orders-table th, .orders-table td {
  padding: 8px 10px; border: none;
  border-bottom: 1px solid var(--gray-100);
  text-align: left; vertical-align: middle;
  white-space: normal; overflow-wrap: anywhere;
}
.orders-table th, .users-table th {
  background: #fff; color: var(--gray-500);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.02em;
  position: sticky; top: 0; z-index: 2;
  border-bottom: 1px solid var(--gray-200);
  white-space: normal; line-height: 1.35;
}
.orders-table th { padding: 10px 10px; }
.orders-table td { color: var(--gray-700); }
.orders-table td.wrap-cell { white-space: normal; }
.orders-table td.mono {
  font-family: 'JetBrains Mono', 'Cascadia Code', Consolas, monospace;
  font-size: 11px; color: var(--gray-600);
}
.orders-table td.nowrap-cell { white-space: nowrap; }
.orders-table td.center-cell { text-align: center; }
.orders-table td.ellipsis-cell {
  overflow: hidden;
}
.operator-name {
  display: inline-block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: middle;
}
.orders-table td.right-cell {
  text-align: right;
  font-variant-numeric: tabular-nums;
  padding-right: 14px;
}
.orders-table th.center-head { text-align: center; }
.orders-table th.right-head { text-align: right; padding-right: 14px; }
.created-at-stack {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.25;
  font-size: 11px;
  font-family: 'JetBrains Mono', 'Cascadia Code', Consolas, monospace;
  color: var(--gray-600);
}
.created-at-stack .created-at-date { color: var(--gray-700); font-weight: 500; }
.created-at-stack .created-at-time { color: var(--gray-500); }
.orders-table td.center-cell .success,
.orders-table td.center-cell .danger,
.orders-table td.center-cell .neutral,
.orders-table td.center-cell .warning,
.orders-table td.center-cell .info,
.orders-table td.center-cell .download-link {
  display: inline-flex; align-items: center; justify-content: center;
}

.orders-table tbody tr,
.users-table tbody tr.clickable-row {
  transition: background 80ms; cursor: default;
}
.orders-table tbody tr:hover,
.users-table tbody tr.clickable-row:hover { background: var(--gray-50); }

/* 树形 */
.serial-cell { display: inline-flex; align-items: center; gap: 4px; }
.tree-toggle, .tree-toggle-placeholder {
  width: 14px; height: 14px;
  display: inline-grid; place-items: center; flex: 0 0 14px;
}
.tree-toggle {
  padding: 0; border: none; background: transparent;
  color: var(--gray-400); font-size: 12px; border-radius: 2px;
}
.tree-toggle:hover { color: var(--brand-600); background: var(--gray-100); }

.parent-order-row { background: #fff; cursor: pointer; }
.parent-order-row:hover, .parent-order-row:hover td { background: var(--brand-50) !important; }
.child-order-row { background: var(--gray-50); }
.child-order-row:hover, .child-order-row:hover td { background: var(--gray-100); }
.child-order-row td { color: var(--gray-600); }

.child-order-no { padding-left: 18px; position: relative; }
.child-order-no::before {
  content: "\2514\00a0"; color: var(--gray-300);
  font-family: 'JetBrains Mono', Consolas, monospace;
  position: absolute; left: 4px;
}

.mono {
  font-family: 'JetBrains Mono', 'Cascadia Code', Consolas, monospace;
  font-variant-numeric: tabular-nums;
}
.muted { color: var(--gray-400); }

/* 状态徽章 */
.success, .danger, .neutral, .warning, .info {
  display: inline-flex; align-items: center; gap: 5px;
  height: 24px; padding: 0 10px;
  border-radius: 9999px;
  font-size: 11px; font-weight: 500; white-space: nowrap;
  letter-spacing: 0.02em;
}
.success::before, .danger::before, .warning::before, .info::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  flex-shrink: 0;
}
.success { background: var(--success-50); color: var(--success-700); border: 1px solid #a7f3d0; }
.success::before { background: var(--success-500); }
.danger { background: var(--danger-50); color: var(--danger-700); border: 1px solid #fecaca; }
.danger::before { background: var(--danger-500); }
.neutral {
  background: transparent; color: var(--gray-500);
  border: 1px solid var(--gray-200); font-weight: 400;
}
.warning { background: var(--warning-50); color: var(--warning-700); border: 1px solid #fde68a; }
.warning::before { background: var(--warning-500); }
.info { background: var(--brand-50); color: var(--brand-700); border: 1px solid var(--brand-200); }
.info::before { background: var(--brand-500); }

/* 行选中态（main.ts:1351-1358） */
.orders-table tbody tr.selected-row td {
  background: var(--brand-50) !important; font-weight: 500;
}
.orders-table tbody tr.selected-row td:first-child {
  box-shadow: inset 3px 0 0 var(--brand-600);
}
.orders-table tbody tr.order-group-hover td { background: var(--brand-50); }

/* 下载按钮 */
.download-link {
  display: inline-flex; align-items: center; justify-content: center; gap: 4px;
  min-width: 60px; padding: 0 14px; border-radius: 6px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.04em;
  height: 26px; background: var(--brand-600);
  color: #fff; border: none; text-decoration: none;
  box-shadow: 0 1px 2px rgba(37, 99, 235, 0.25);
  transition: background 120ms, box-shadow 120ms, transform 120ms;
}
.download-link:hover {
  background: var(--brand-700);
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.32);
}
.download-link:active { transform: translateY(1px); }
.downloaded-link {
  background: var(--success-50); color: var(--success-700);
  border: 1px solid #a7f3d0;
  box-shadow: none;
  font-weight: 500;
}
.downloaded-link::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--success-500); flex-shrink: 0;
}
.downloaded-link:hover { background: #d1fae5; box-shadow: none; }
.download-link.downloading { opacity: 0.7; pointer-events: none; }

.orders-table td .muted {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12px; color: var(--gray-400); font-weight: 400;
}

.cell-link {
  color: var(--brand-600); cursor: pointer;
  background: transparent; border: none;
  font-size: 12px; text-decoration: none; padding: 0;
}
.cell-link:hover { color: var(--brand-700); text-decoration: underline; }

.empty {
  padding: 60px 20px; text-align: center;
  color: var(--gray-500); font-size: 13px;
}
.hidden { display: none !important; }

/* ========== 弹窗 ========== */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px); z-index: 100;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.unit-selected-modal, .download-history-modal, .column-modal {
  background: #fff; border-radius: 12px;
  box-shadow: var(--shadow-lg);
  max-height: calc(100vh - 48px);
  display: flex; flex-direction: column; overflow: hidden;
}
.unit-selected-modal { width: min(440px, 100%); }
.download-history-modal { width: min(640px, 100%); }
.column-modal { width: min(820px, 100%); }

.column-modal-body {
  display: grid; grid-template-columns: minmax(360px, 1fr) 280px;
  gap: 0; flex: 1; overflow: hidden;
}
.column-options {
  padding: 16px 20px; overflow: auto;
  border-right: 1px solid var(--gray-100);
}
.column-options h3, .column-selected h3 {
  font-size: 12px; font-weight: 600; color: var(--gray-500);
  letter-spacing: 0.02em; text-transform: uppercase;
  margin: 0 0 12px;
}
.column-checkbox-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px;
}
.column-checkbox {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--gray-700);
}
.column-checkbox input {
  width: 16px; height: 16px; margin: 0;
  accent-color: var(--brand-600);
}
.column-selected {
  padding: 16px 20px; overflow: auto; background: var(--gray-50);
}
.selected-column-list { display: flex; flex-direction: column; gap: 4px; }
.selected-column-item {
  display: grid; grid-template-columns: 18px 1fr 24px;
  gap: 8px; align-items: center;
  padding: 7px 10px; background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 6px; font-size: 13px;
  color: var(--gray-700); cursor: grab; user-select: none;
}
.selected-column-item.dragging { opacity: 0.5; cursor: grabbing; }
.drag-handle {
  color: var(--gray-400); font-size: 14px;
  display: flex; align-items: center; justify-content: center;
}
.selected-column-item button {
  width: 22px; height: 22px; padding: 0;
  background: transparent; color: var(--gray-400);
  border: none; border-radius: 4px;
  font-size: 14px; font-weight: 400;
}
.selected-column-item button:hover { background: var(--danger-50); color: var(--danger-600); }
.empty-inline {
  padding: 20px 12px; text-align: center;
  color: var(--gray-400); font-size: 12px;
  border: 1px dashed var(--gray-200);
  border-radius: 6px; background: #fff;
}

.download-history-body { padding: 16px 20px; overflow: auto; }
.history-order-no {
  font-size: 13px; color: var(--gray-700);
  font-weight: 500; margin-bottom: 12px;
  font-family: 'JetBrains Mono', Consolas, monospace;
}
.history-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.history-table th, .history-table td {
  padding: 8px 10px; border-bottom: 1px solid var(--gray-100);
  text-align: left;
}
.history-table th {
  font-size: 11px; font-weight: 500;
  color: var(--gray-500); letter-spacing: 0.02em;
  background: var(--gray-50);
}

.modal-titlebar {
  padding: 16px 20px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--gray-100);
}
.modal-titlebar h2 {
  margin: 0; font-size: 16px; font-weight: 600;
  color: var(--gray-900); letter-spacing: -0.01em;
}
.icon-close {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: none;
  color: var(--gray-400);
  font-size: 18px; font-weight: 400;
  border-radius: 6px; padding: 0;
}
.icon-close:hover { background: var(--gray-100); color: var(--gray-700); }

.unit-selected-modal-body {
  padding: 16px 20px; overflow: auto;
  display: flex; flex-wrap: wrap; gap: 6px;
  min-height: 80px;
}
.selected-chip {
  display: inline-flex; align-items: center; gap: 4px;
  height: 26px; padding: 0 10px;
  background: var(--brand-50); color: var(--brand-700);
  border: 1px solid var(--brand-100);
  border-radius: 13px;
  font-size: 12px; font-weight: 500;
}
.selected-chip:hover { background: var(--brand-100); }

.modal-actions {
  padding: 14px 20px; background: var(--gray-50);
  border-top: 1px solid var(--gray-100);
  display: flex; justify-content: flex-end; gap: 10px;
}

/* 响应式 */
@media (max-width: 1180px) {
  .topbar { flex-wrap: wrap; height: auto; padding: 8px 16px; }
  .topbar-main { flex-wrap: wrap; gap: 8px; }
  .user-box { margin-left: auto; }
}
@media (max-width: 760px) {
  .header-filters label,
  .header-filters .date-filter-field,
  .header-filters .multi-switch,
  .search-filter-group { width: 100%; }
  .date-panel-main { grid-template-columns: 1fr; }
  .date-panel, .unit-popover {
    position: fixed; left: 10px; right: 10px; width: auto;
  }
  .unit-options { grid-template-columns: 1fr; }
  .column-modal-body { grid-template-columns: 1fr; }
  .column-options { border-right: none; border-bottom: 1px solid var(--gray-100); }
}

/* ========== 网页端独有 class ========== */
.nav-btn {
  height: 32px; padding: 0 14px;
  border-radius: 6px; border: 1px solid var(--gray-200);
  background: #fff; color: var(--gray-700);
  font-size: 13px; font-weight: 500;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background 120ms, border-color 120ms, color 120ms;
}
.nav-btn:hover { background: var(--gray-50); border-color: var(--gray-300); color: var(--gray-900); }
.nav-btn.active {
  background: var(--brand-50); color: var(--brand-700);
  border-color: var(--brand-200); font-weight: 600;
}

.primary-btn {
  height: 32px; padding: 0 14px;
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--brand-600); color: #fff;
  border: none; border-radius: 6px;
  font-size: 13px; font-weight: 600;
  box-shadow: 0 1px 2px rgba(37, 99, 235, 0.25);
  transition: background 120ms, box-shadow 120ms;
}
.primary-btn:hover { background: var(--brand-700); box-shadow: 0 2px 6px rgba(37, 99, 235, 0.32); }
.primary-btn .icon { width: 14px; height: 14px; }

.filter-actions {
  display: flex; gap: 8px; align-items: flex-end;
  margin-left: auto;
}

.row-actions {
  display: flex; gap: 4px; flex-wrap: wrap;
}
.row-actions button {
  font-size: 11px; padding: 0 10px;
  height: 26px; border-radius: 4px;
}