/* =============================================================
 * SH 原型 v0 · 全站设计令牌
 * 单一真源:改一处全站跟着变
 * 同步:docs/01-design-contract §4 + docs/05 §5
 * ============================================================= */

/* ---- §0 Design Tokens ---- */
:root {
  /* 色板 — 与桌面端 --primary 对齐(#3B82F6) */
  --primary:        #3B82F6;
  --primary-hover:  #2563EB;
  --primary-light:  #EFF6FF;
  --success:        #10B981;
  --warning:        #F59E0B;
  --danger:         #EF4444;

  --gray-50:        #FAFAFA;
  --gray-100:       #F5F5F5;
  --gray-200:       #E5E5E5;
  --gray-300:       #D4D4D4;
  --gray-400:       #A3A3A3;
  --gray-500:       #737373;
  --gray-700:       #404040;
  --gray-800:       #262626;
  --gray-900:       #171717;

  /* 字体 */
  --font-base: "Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont,
               "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, Arial, sans-serif;
  --text-xs:    11px;
  --text-sm:    12px;
  --text-base:  14px;
  --text-lg:    16px;
  --text-xl:    18px;
  --text-2xl:   22px;
  --text-3xl:   28px;

  /* 间距 — 4 基线 */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;

  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 2px 4px rgba(0,0,0,0.05), 0 4px 8px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 20px rgba(0,0,0,0.06), 0 20px 40px rgba(0,0,0,0.10);

  /* 边框 */
  --border:        1px solid var(--gray-200);
  --border-strong: 1px solid var(--gray-300);

  /* 布局尺寸 */
  --topbar-h:    64px;
  --tabs-h:      40px;   /* 顶部 tab 栏高度 */
  --sidebar-w:   72px;   /* 窄深色侧栏(图标+短文字) */
  --sidebar-min: 72px;

  /* 侧栏配色(浅色窄款) */
  --sidebar-bg:         #fff;
  --sidebar-bg-hover:   var(--gray-50);
  --sidebar-text:       var(--gray-700);
  --sidebar-text-active:var(--primary);
  --sidebar-active-bg:  var(--primary-light);
  --sidebar-border:     var(--gray-200);
}

/* ---- §1 Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: var(--font-base);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--gray-800);
  background: var(--gray-100);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }

/* ---- §2 App Shell ---- */
.sh-app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--topbar-h) var(--tabs-h) 1fr;
  min-height: 100vh;
}

/* 登录页专用壳 */
.sh-auth {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: var(--space-6);
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--gray-50) 100%);
}

/* 顶栏(占右侧第 1 行) */
.sh-topbar {
  grid-column: 2;
  grid-row: 1;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--space-6);
  background: #fff;
  border-bottom: var(--border);
  position: sticky; top: 0; z-index: 10;
}
.sh-topbar__left { display: flex; align-items: center; gap: var(--space-3); }
.sh-topbar__brand { font-weight: 700; font-size: var(--text-lg); color: var(--gray-900); }
.sh-topbar__brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: var(--radius-sm);
  background: var(--primary); color: #fff; font-weight: 700;
}
.sh-topbar__factory { color: var(--gray-500); font-size: var(--text-sm); }
.sh-topbar__right { display: flex; align-items: center; gap: var(--space-4); }
.sh-bell {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  background: var(--gray-50); border: var(--border); cursor: pointer;
}
.sh-bell__badge {
  position: absolute; top: -4px; right: -4px;
  background: var(--danger); color: #fff;
  font-size: var(--text-xs); padding: 2px 6px; border-radius: 9999px;
}
.sh-user { display: flex; align-items: center; gap: var(--space-2); cursor: pointer; }
.sh-user__avatar {
  width: 32px; height: 32px; border-radius: 9999px;
  background: var(--primary-light); color: var(--primary);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: var(--text-sm);
}

/* 侧栏(浅色窄款,占左侧所有行) */
.sh-sidebar {
  grid-column: 1;
  grid-row: 1 / -1;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  padding: var(--space-3) 0;
  position: sticky; top: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex; flex-direction: column;
}
.sh-sidebar::-webkit-scrollbar { width: 4px; }
.sh-sidebar::-webkit-scrollbar-thumb { background: var(--gray-200); border-radius: 2px; }
.sh-sidebar__title { display: none; }
.sh-sidebar__divider {
  margin: var(--space-2) auto;
  width: 32px;
  border: none; border-top: 1px solid var(--gray-200);
}
.sh-sidebar__item {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 4px;
  padding: 10px 4px;
  margin: 2px 6px;
  color: var(--sidebar-text); cursor: pointer;
  border-radius: var(--radius-sm);
  font-size: 12px;
  line-height: 1.2;
  text-align: center;
  transition: background 0.15s, color 0.15s;
  position: relative;
  text-decoration: none;
}
.sh-sidebar__item .icon { font-size: 20px; line-height: 1; width: auto; height: auto; }
.sh-sidebar__item:hover { background: var(--sidebar-bg-hover); color: var(--sidebar-text-active); }
.sh-sidebar__item.is-active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-text-active);
  font-weight: 600;
}
.sh-sidebar__item.is-disabled {
  color: var(--gray-400); cursor: not-allowed;
}
.sh-sidebar__item.is-disabled:hover { background: transparent; color: var(--gray-400); }
/* new 徽标(商城类) */
.sh-sidebar__item .sh-badge-new {
  position: absolute; top: 4px; right: 8px;
  background: var(--danger); color: #fff;
  font-size: 9px; padding: 1px 4px; border-radius: 9999px;
  font-weight: 700; line-height: 1.2;
  transform: scale(0.85);
}
/* V0.1 小标在窄栏里缩小显示 */
.sh-sidebar__item .sh-tag-v0-1 {
  font-size: 8px; padding: 0 3px; margin-left: 2px;
  background: var(--gray-100); color: var(--gray-500);
  border-radius: 2px;
}

/* 顶部 tab 栏(右侧第 2 行,多页签) */
.sh-tabs {
  grid-column: 2;
  grid-row: 2;
  display: flex; align-items: center; gap: 4px;
  padding: 0 var(--space-4);
  background: var(--gray-50);
  border-bottom: var(--border);
  overflow-x: auto;
  position: sticky; top: var(--topbar-h); z-index: 9;
}
.sh-tabs::-webkit-scrollbar { height: 3px; }
.sh-tabs::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 2px; }
.sh-tab {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px;
  background: transparent;
  color: var(--gray-600);
  font-size: 12px; line-height: 1.4;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
  border-bottom: none;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.sh-tab:hover { background: var(--gray-100); color: var(--gray-900); }
.sh-tab.is-active {
  background: #fff;
  color: var(--gray-900);
  font-weight: 600;
  border-color: var(--gray-200);
  position: relative;
}
.sh-tab.is-active::after {
  content: ''; position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px; background: #fff;
}
.sh-tab__close {
  display: inline-flex; align-items: center; justify-content: center;
  width: 14px; height: 14px;
  border-radius: 9999px;
  color: var(--gray-400);
  font-size: 12px; line-height: 1;
  transition: background 0.15s, color 0.15s;
}
.sh-tab__close:hover { background: var(--gray-200); color: var(--gray-900); }
.sh-tab.is-active .sh-tab__close { color: var(--gray-500); }

/* 主内容(右侧第 3 行) */
.sh-main {
  grid-column: 2;
  grid-row: 3;
  padding: var(--space-6);
  overflow-y: auto;
  height: calc(100vh - var(--topbar-h) - var(--tabs-h));
}
.sh-breadcrumb {
  font-size: var(--text-sm); color: var(--gray-500);
  margin-bottom: var(--space-3);
}
.sh-breadcrumb strong { color: var(--gray-700); font-weight: 600; }

/* ---- §3 Common Components ---- */
.sh-page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: var(--space-6);
}
.sh-page-title { font-size: var(--text-2xl); font-weight: 700; color: var(--gray-900); margin: 0; }
.sh-page-actions { display: flex; gap: var(--space-2); }

.sh-card {
  background: #fff;
  border: var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-4);
}
.sh-card__title {
  font-size: var(--text-lg); font-weight: 600; color: var(--gray-900);
  margin: 0 0 var(--space-4) 0;
}
.sh-card__body { color: var(--gray-700); }

/* 按钮 */
.sh-btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: var(--text-base); font-weight: 500;
  cursor: pointer; border: var(--border);
  background: #fff; color: var(--gray-700);
  transition: all 0.15s;
  font-family: var(--font-base);
}
.sh-btn:hover { background: var(--gray-50); border-color: var(--gray-300); }
.sh-btn--primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.sh-btn--primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.sh-btn--secondary { background: var(--gray-50); }
.sh-btn--danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.sh-btn--ghost { border: none; background: transparent; }
.sh-btn--sm { padding: 4px 10px; font-size: var(--text-sm); }
.sh-btn:disabled, .sh-btn[aria-disabled="true"] {
  opacity: 0.5; cursor: not-allowed; pointer-events: none;
}

/* 输入 */
.sh-input, .sh-select {
  padding: 8px 12px; border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm); font-size: var(--text-base);
  background: #fff; color: var(--gray-800);
  font-family: var(--font-base);
  outline: none;
  transition: border-color 0.15s;
}
.sh-input:focus, .sh-select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }

/* 表格 */
.sh-table { width: 100%; border-collapse: collapse; background: #fff; }
.sh-table thead { background: var(--gray-50); }
.sh-table th {
  text-align: left; padding: 12px var(--space-3);
  font-weight: 600; font-size: var(--text-sm); color: var(--gray-700);
  border-bottom: var(--border);
}
.sh-table td {
  padding: 12px var(--space-3);
  border-bottom: var(--border);
  color: var(--gray-700);
}
.sh-table tr:last-child td { border-bottom: none; }
.sh-table tr:hover td { background: var(--gray-50); }
.sh-table .num { text-align: right; font-variant-numeric: tabular-nums; }

/* Badge — 状态色 */
.sh-badge {
  display: inline-flex; align-items: center;
  padding: 2px 10px; border-radius: 9999px;
  font-size: var(--text-xs); font-weight: 600;
  white-space: nowrap;
}
.sh-badge--warning { background: #FEF3C7; color: #92400E; }
.sh-badge--primary { background: var(--primary-light); color: var(--primary); }
.sh-badge--success { background: #D1FAE5; color: #065F46; }
.sh-badge--danger  { background: #FEE2E2; color: #991B1B; }
.sh-badge--gray    { background: var(--gray-100); color: var(--gray-500); }

/* Tabs */
.sh-tabs {
  display: flex; gap: var(--space-2);
  border-bottom: var(--border);
  margin-bottom: var(--space-4);
}
.sh-tab {
  padding: 10px var(--space-4);
  font-size: var(--text-base); color: var(--gray-500);
  cursor: pointer; border-bottom: 2px solid transparent;
  transition: all 0.15s;
}
.sh-tab:hover { color: var(--gray-700); }
.sh-tab.is-active {
  color: var(--primary); border-bottom-color: var(--primary);
  font-weight: 600;
}

/* 头部摘要卡(订单详情头) */
.sh-summary {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
}
.sh-summary__item { display: flex; flex-direction: column; gap: var(--space-1); }
.sh-summary__label { font-size: var(--text-sm); color: var(--gray-500); }
.sh-summary__value { font-size: var(--text-lg); font-weight: 600; color: var(--gray-900); }
.sh-summary__value.is-amount { font-variant-numeric: tabular-nums; }

/* ---- §4 三图选择(三选一)---- */
.sh-imgs-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.sh-img-card {
  background: #fff; border: 2px solid var(--gray-200);
  border-radius: var(--radius-md); overflow: hidden; cursor: pointer;
  transition: all 0.15s;
}
.sh-img-card:hover { border-color: var(--gray-400); box-shadow: var(--shadow-md); }
.sh-img-card.is-selected {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}
.sh-img-card__placeholder {
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, var(--gray-100), var(--gray-50));
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-400); font-size: 48px;
  border-bottom: var(--border);
}
.sh-img-card__meta {
  padding: var(--space-3);
}
.sh-img-card__title { font-weight: 600; color: var(--gray-900); margin-bottom: var(--space-1); }
.sh-img-card__sub { font-size: var(--text-sm); color: var(--gray-500); }

/* ---- §5 Modal / Empty ---- */
.sh-modal-mask {
  position: fixed; inset: 0; background: rgba(0,0,0,0.45);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
}
.sh-modal {
  background: #fff; border-radius: var(--radius-md);
  width: min(440px, 90vw); padding: var(--space-6);
  box-shadow: var(--shadow-lg);
}
.sh-modal__title { font-size: var(--text-lg); font-weight: 600; margin: 0 0 var(--space-4); color: var(--gray-900); }
.sh-modal__actions { display: flex; gap: var(--space-2); justify-content: flex-end; margin-top: var(--space-6); }

/* V0.1.17 自定义确认弹窗 — 与 import-excel-modal 共用一套 */
.sh-modal-overlay { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.4); display: flex; align-items: center; justify-content: center; z-index: 9998; animation: sh-modal-fade-in 0.15s ease-out; }
.sh-modal { background: #fff; border-radius: 12px; max-width: 480px; width: 90vw; max-height: 85vh; display: flex; flex-direction: column; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3); animation: sh-modal-slide-up 0.2s ease-out; overflow: hidden; }
.sh-modal--danger { border-top: 4px solid var(--danger, #EF4444); }
.sh-modal__header { padding: 16px 20px 12px; border-bottom: 1px solid #eee; }
.sh-modal__header h3 { margin: 0; font-size: 16px; font-weight: 600; color: var(--gray-900); }
.sh-modal__body { padding: 16px 20px; flex: 1; overflow-y: auto; color: var(--gray-700); font-size: 14px; line-height: 1.6; }
.sh-modal__body p { margin: 0 0 12px 0; }
.sh-modal__label { display: block; font-size: 13px; color: var(--gray-700); margin-bottom: 4px; font-weight: 500; }
.sh-modal__err { margin-top: 4px; color: var(--danger, #EF4444); font-size: 12px; }
.sh-modal__footer { padding: 12px 20px; border-top: 1px solid #eee; display: flex; gap: 8px; justify-content: flex-end; background: var(--gray-50); }
.sh-modal__footer .sh-btn:disabled { opacity: 0.5; cursor: not-allowed; }
@keyframes sh-modal-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes sh-modal-slide-up { from { transform: translateY(8px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.sh-empty {
  padding: var(--space-12) var(--space-6);
  text-align: center; color: var(--gray-500);
}
.sh-empty__icon { font-size: 48px; opacity: 0.4; margin-bottom: var(--space-3); }

/* ---- §6 工具类 ---- */
.sh-flex { display: flex; }
.sh-flex-1 { flex: 1; }
.sh-row { display: flex; align-items: center; gap: var(--space-3); }
.sh-row-between { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.sh-gap-2 { gap: var(--space-2); }
.sh-gap-3 { gap: var(--space-3); }
.sh-gap-4 { gap: var(--space-4); }
.sh-mt-2 { margin-top: var(--space-2); } .sh-mt-4 { margin-top: var(--space-4); } .sh-mt-6 { margin-top: var(--space-6); }
.sh-mb-2 { margin-bottom: var(--space-2); } .sh-mb-4 { margin-bottom: var(--space-4); }
.sh-text-sm { font-size: var(--text-sm); } .sh-text-xs { font-size: var(--text-xs); }
.sh-text-gray { color: var(--gray-500); }
.sh-text-right { text-align: right; }
.sh-divider { height: 1px; background: var(--gray-200); margin: var(--space-4) 0; border: none; }
.sh-link { color: var(--primary); cursor: pointer; }
.sh-link:hover { text-decoration: underline; }
.sh-tag-v0-1 {
  display: inline-block; padding: 1px 6px; border-radius: var(--radius-sm);
  background: var(--gray-100); color: var(--gray-500);
  font-size: var(--text-xs); margin-left: var(--space-2);
}
.sh-tooltip {
  position: relative;
}
.sh-tooltip::after {
  content: attr(data-tip);
  position: absolute; bottom: calc(100% + 6px); left: 50%;
  transform: translateX(-50%);
  background: var(--gray-900); color: #fff;
  padding: 4px 8px; border-radius: var(--radius-sm);
  font-size: var(--text-xs); white-space: nowrap;
  opacity: 0; pointer-events: none; transition: opacity 0.15s;
}
.sh-tooltip:hover::after { opacity: 1; }

/* ---- §7 顶部 Demo 切换条(开发期)---- */
.sh-demo-bar {
  position: fixed; bottom: 0; right: 0; left: 0;
  background: var(--gray-900); color: #fff;
  padding: var(--space-2) var(--space-4);
  display: flex; align-items: center; gap: var(--space-4);
  font-size: var(--text-sm); z-index: 50;
}
.sh-demo-bar label { color: var(--gray-400); }
.sh-demo-bar select {
  background: var(--gray-700); color: #fff;
  border: 1px solid var(--gray-500);
  padding: 4px 8px; border-radius: var(--radius-sm);
  font-family: var(--font-base);
}

/* =====================================================
 * ⭐ SH_MODAL.openImportExcel 弹窗样式
 * 契约 docs/08-import-excel-modal-contract.md §2.1
 * 全部用现有的 --* 令牌,0 新增 CSS 变量
 * ===================================================== */
.sh-import-modal-root { position: fixed; inset: 0; z-index: 9998; display: grid; place-items: center; }
.sh-import-modal-mask { position: absolute; inset: 0; background: rgba(0,0,0,0.5); }
.sh-import-modal {
  position: relative; z-index: 9999;
  background: #fff; border-radius: var(--radius-lg);
  max-width: 720px; width: calc(100vw - 32px);
  max-height: 90vh; display: flex; flex-direction: column;
  box-shadow: 0 24px 48px rgba(0,0,0,0.25);
}
.sh-import-modal__head {
  flex-shrink: 0; padding: var(--space-4) var(--space-6);
  border-bottom: var(--border); display: flex; align-items: center; justify-content: space-between;
}
.sh-import-modal__head h2 { margin: 0; font-size: var(--text-lg); font-weight: 600; color: var(--gray-900); }
.sh-import-modal__close {
  background: transparent; border: none; font-size: 20px; cursor: pointer; color: var(--gray-500);
  width: 32px; height: 32px; border-radius: var(--radius-md); display: inline-flex; align-items: center; justify-content: center;
}
.sh-import-modal__close:hover { background: var(--gray-100); color: var(--gray-900); }
.sh-import-modal__body { padding: var(--space-5) var(--space-6); overflow-y: auto; flex: 1; }

/* V0.1.23 补全:dropzone 拖拽区 */
.sh-import-dropzone {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: var(--space-8) var(--space-4);
  border: 2px dashed var(--gray-300); border-radius: var(--radius-md);
  background: var(--gray-50); color: var(--gray-700);
  cursor: pointer; transition: all 0.15s;
  margin-bottom: var(--space-4);
}
.sh-import-dropzone:hover { background: var(--primary-light, #EFF6FF); border-color: var(--primary); }
.sh-import-dropzone.is-dragover { background: var(--primary-light, #EFF6FF); border-color: var(--primary); border-style: solid; }
.sh-import-dropzone .icon { font-size: 36px; margin-bottom: var(--space-2); opacity: 0.6; }
.sh-import-dropzone strong { color: var(--gray-900); }

/* V0.1.23 补全:URL 解析条 */
.sh-import-url-bar {
  display: flex; align-items: center; gap: var(--space-2);
  flex-wrap: wrap;
  padding: var(--space-3); background: var(--gray-50); border-radius: var(--radius-md);
}
.sh-import-url-bar .lbl { font-size: var(--text-sm); color: var(--gray-700); font-weight: 500; flex-shrink: 0; }
.sh-import-url-bar input.sh-input { flex: 1; min-width: 200px; }
.sh-import-url-bar .sh-btn { flex-shrink: 0; }
.sh-import-url-bar .sh-tag-v0-1 { flex-shrink: 0; }

/* Toast inside modal(契约 §5 错误兜底) */
.sh-toast { position: fixed; bottom: 24px; right: 24px; padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); background: var(--gray-900); color: #fff; font-size: var(--text-sm); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2); opacity: 0; transition: all 0.2s; z-index: 10000; max-width: 480px; }
.sh-toast.show { opacity: 1; transform: translateY(-4px); }
.sh-toast--danger { background: var(--danger); }
.sh-toast--warning { background: var(--warning); color: #000; }
.sh-toast--primary { background: var(--primary); }

/* ⭐ V0.4.40 全站顶部品牌条(8 个内部页面统一) */
.sh-topbar {
  display: flex; align-items: center; gap: var(--space-3);
  height: 44px; padding: 0 var(--space-6);
  background: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);
  border-bottom: 1px solid var(--gray-200);
  position: sticky; top: 0; z-index: 100;
  font-family: var(--font-base);
}
.sh-topbar__group {
  display: inline-flex; align-items: center; gap: var(--space-3);
  flex: 0 1 auto; min-width: 0;
}
.sh-topbar--fixed {
  position: fixed; top: 0; left: 0; right: 0;
}
/* 登录页(auth-card 居中)需要让出 fixed topbar 的 44px */
body.sh-auth.has-topbar {
  min-height: 100vh;
  padding-top: 56px;      /* topbar 44 + 间距 12 */
  box-sizing: border-box;
}
.sh-topbar__brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  color: #fff; font-weight: 700; font-size: 13px; letter-spacing: .3px;
  box-shadow: 0 4px 10px -3px rgba(59,130,246,.45);
  flex: 0 0 auto;
}
.sh-topbar__title {
  font-size: var(--text-base); font-weight: 600; color: var(--gray-900);
  letter-spacing: .2px; flex: 0 1 auto;
}
.sh-topbar__sep {
  color: var(--gray-300); font-size: 14px; padding: 0 2px; user-select: none;
}
.sh-topbar__client {
  font-size: var(--text-sm); color: var(--gray-500); flex: 0 1 auto;
}
.sh-topbar__spacer { flex: 1 1 auto; min-width: 8px; }
.sh-topbar__meta {
  font-size: var(--text-xs); color: var(--gray-400);
  display: inline-flex; align-items: center; gap: var(--space-2);
  background: var(--gray-50); border: 1px solid var(--gray-200);
  padding: 3px 10px; border-radius: 999px;
  flex: 0 0 auto;
  white-space: nowrap;
  z-index: 101;
  position: relative;
}
.sh-topbar__title { min-width: 0; }
.sh-topbar__meta b { color: var(--gray-700); font-weight: 600; font-family: var(--font-mono, ui-monospace, monospace); }
.sh-topbar__meta .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 3px rgba(16,185,129,.18); flex: 0 0 auto; }
@media (max-width: 1024px) {
  .sh-topbar { padding: 0 var(--space-4); gap: var(--space-2); }
  .sh-topbar__client { display: none; }
  .sh-topbar__title { font-size: var(--text-sm); }
}

/* ⭐ V0.4.40 topbar 中部放版本号 + 时间戳(由 shell.js 渲染) */
.sh-topbar__center {
  display: flex; align-items: center; justify-content: center;
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
}
.sh-topbar__center .sh-topbar__meta {
  display: inline-flex; align-items: center; gap: 8px;
  background: #FAFAFA; border: 1px solid #E5E5E5;
  padding: 3px 10px; border-radius: 999px;
  font-size: 11px; color: #737373;
  white-space: nowrap;
  z-index: 101; position: relative;
}
.sh-topbar__center .sh-topbar__meta b {
  color: #404040; font-weight: 600; font-family: ui-monospace, monospace;
}
.sh-topbar__center .sh-topbar__dot {
  width: 6px; height: 6px; border-radius: 50%; background: #10B981;
  box-shadow: 0 0 0 3px rgba(16,185,129,.18); flex: 0 0 auto;
}
.sh-topbar__center .sh-topbar__sep2 { color: #D4D4D4; padding: 0 2px; }
@media (max-width: 640px) {
  .sh-topbar { padding: 0 var(--space-3); gap: var(--space-2); }
  .sh-topbar__client { display: none; }
  .sh-topbar__factory { display: none; }
  .sh-topbar__title { font-size: var(--text-sm); max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .sh-topbar__meta { font-size: 10px; padding: 2px 8px; }
}