:root {
  --primary: #1677ff;
  --primary-dark: #0958d9;
  --text: #1f2329;
  --text-2: #646a73;
  --text-3: #8f959e;
  --border: #e5e6eb;
  --bg: #f6f7f9;
  --white: #fff;
  --danger: #f5222d;
  --warn: #fa8c16;
  --success: #52c41a;
  --radius: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
}

/* ---------------- 布局 ---------------- */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 208px;
  background: #1f2329;
  color: #fff;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.logo {
  padding: 20px 18px;
  font-size: 15px;
  font-weight: 600;
  border-bottom: 1px solid rgba(255,255,255,.08);
  line-height: 1.4;
}
.logo small { display: block; font-size: 11px; color: #8f959e; font-weight: 400; margin-top: 3px; }

#nav { flex: 1; padding: 8px 0; overflow-y: auto; }

.nav-item {
  display: block;
  padding: 10px 18px;
  color: #c9cdd4;
  text-decoration: none;
  font-size: 14px;
  border-left: 3px solid transparent;
  transition: all .15s;
}
.nav-item:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav-item.active { background: rgba(22,119,255,.16); color: #fff; border-left-color: var(--primary); font-weight: 500; }

.sidebar-foot {
  padding: 12px 16px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: 12px;
  color: #8f959e;
}
.sidebar-foot select {
  width: 100%;
  margin-top: 6px;
  padding: 5px 8px;
  border-radius: 4px;
  border: 1px solid #3a3f47;
  background: #2b3038;
  color: #fff;
  font-size: 12px;
}

.content { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  height: 56px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar h1 { font-size: 17px; margin: 0; font-weight: 600; }

main { padding: 20px 24px 60px; }

/* ---------------- 卡片 ---------------- */
.card {
  background: #fff;
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 16px;
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
}
.card-title { font-size: 14px; font-weight: 600; margin-bottom: 12px; }

/* ---------------- 统计卡 ---------------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}
.stat-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
  border-left: 3px solid var(--primary);
}
.stat-card.warn { border-left-color: var(--warn); }
.stat-card.danger { border-left-color: var(--danger); }
.stat-label { font-size: 13px; color: var(--text-2); }
.stat-value { font-size: 26px; font-weight: 600; margin-top: 6px; }

/* ---------------- 提示条 ---------------- */
.banner {
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 13px;
  line-height: 1.6;
}
.banner-warn { background: #fffbe6; border: 1px solid #ffe58f; color: #614700; }
.banner-ok { background: #f6ffed; border: 1px solid #b7eb8f; color: #135200; }

.hint { font-size: 13px; color: var(--text-2); line-height: 1.7; margin: 8px 0; }

/* ---------------- 按钮 ---------------- */
.btn {
  padding: 6px 14px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text);
  transition: all .15s;
  white-space: nowrap;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
.btn-sm { padding: 3px 10px; font-size: 12px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

.btn-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* ---------------- 表格 ---------------- */
.table { width: 100%; border-collapse: collapse; background: #fff; font-size: 13px; }
.table th, .table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
}
.table th { background: #fafbfc; font-weight: 600; color: var(--text-2); font-size: 12px; white-space: nowrap; }
.table tr:hover td { background: #fafbfc; }
.ellipsis { display: inline-block; max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; vertical-align: middle; }

/* ---------------- 标签 ---------------- */
.badge { padding: 2px 8px; border-radius: 10px; font-size: 12px; background: #f2f3f5; color: var(--text-2); white-space: nowrap; }
.badge-paid { background: #fff7e6; color: #d46b08; }
.badge-pending { background: #f2f3f5; color: #646a73; }
.badge-shipped { background: #e6f4ff; color: #0958d9; }
.badge-completed { background: #f6ffed; color: #389e0d; }
.badge-cancelled { background: #fff1f0; color: #cf1322; }
.badge-refunding { background: #fff0f6; color: #c41d7f; }

.tag { padding: 1px 7px; border-radius: 4px; font-size: 12px; background: #f2f3f5; color: var(--text-2); }
.tag-done { background: #f6ffed; color: #389e0d; }

.chip { padding: 5px 12px; border-radius: 14px; background: #fff; border: 1px solid var(--border); cursor: pointer; font-size: 13px; }
.chip.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---------------- 工具条 ---------------- */
.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.input {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  min-width: 150px;
  font-family: inherit;
}
.input.wide { min-width: 300px; }
.input:focus { outline: none; border-color: var(--primary); }

.tabs { display: flex; gap: 2px; }
.tab { padding: 6px 14px; cursor: pointer; border-radius: 6px; font-size: 13px; color: var(--text-2); }
.tab:hover { background: #fff; }
.tab.active { background: #fff; color: var(--primary); font-weight: 500; }

.pager { display: flex; gap: 12px; align-items: center; margin-top: 16px; }

.form-grid {
  display: grid;
  grid-template-columns: 80px 1fr 80px 1fr;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}
.form-grid label { color: var(--text-2); font-size: 13px; }

/* ---------------- 商品卡 ---------------- */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.product-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(0,0,0,.05);
  transition: all .15s;
}
.product-card:hover { box-shadow: 0 4px 14px rgba(0,0,0,.1); transform: translateY(-2px); }
.product-img { height: 180px; background: #f2f3f5; display: flex; align-items: center; justify-content: center; color: var(--text-3); }
.product-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.product-body { padding: 10px 12px 12px; }
.product-title { font-size: 13px; line-height: 1.45; height: 38px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.product-meta { font-size: 12px; color: var(--text-3); margin-top: 6px; }
.product-stock { display: flex; justify-content: space-between; font-size: 12px; margin-top: 8px; color: var(--text-2); }

.img-gallery { display: flex; gap: 10px; flex-wrap: wrap; }
.img-gallery img { width: 110px; height: 110px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); cursor: zoom-in; }

.detail-head { margin: 12px 0 16px; }
.detail-head h2 { font-size: 18px; margin: 8px 0 4px; }

/* ---------------- 键值表 ---------------- */
.kv { display: grid; grid-template-columns: 90px 1fr; gap: 10px 16px; font-size: 13px; }
.kv-k { color: var(--text-3); }
.kv-v { color: var(--text); word-break: break-all; }

/* ---------------- 空态 / 状态 ---------------- */
.empty { padding: 48px; text-align: center; color: var(--text-3); background: #fff; border-radius: var(--radius); }
.loading { padding: 60px; text-align: center; color: var(--text-3); }
.error-box { padding: 20px; background: #fff1f0; border: 1px solid #ffccc7; color: #cf1322; border-radius: var(--radius); }
.muted { color: var(--text-3); }
.text-danger { color: var(--danger); }
.text-green { color: var(--success); }
.bold { font-weight: 600; }

/* ---------------- Toast ---------------- */
#toast { position: fixed; top: 16px; right: 16px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast {
  padding: 10px 16px;
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 4px 16px rgba(0,0,0,.14);
  font-size: 13px;
  border-left: 3px solid var(--primary);
  animation: slideIn .2s ease;
  max-width: 380px;
}
.toast-success { border-left-color: var(--success); }
.toast-error { border-left-color: var(--danger); }
.toast-warn { border-left-color: var(--warn); }
@keyframes slideIn { from { transform: translateX(20px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---------------- 打印预览 ---------------- */
.modal-mask {
  position: fixed; inset: 0; background: rgba(0,0,0,.45);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.modal {
  background: #fff; border-radius: 10px; max-width: 92vw; max-height: 92vh;
  display: flex; flex-direction: column; overflow: hidden;
}
.modal-head, .modal-foot {
  padding: 12px 16px; display: flex; gap: 10px; align-items: center;
  border-bottom: 1px solid var(--border); font-size: 14px; font-weight: 500;
}
.modal-foot { border-bottom: none; border-top: 1px solid var(--border); font-weight: 400; }
.spacer { flex: 1; }
.preview-body { padding: 20px; overflow: auto; background: #f6f7f9; }
.preview-holder { display: flex; justify-content: center; }

/* 纸张 1:1 渲染 */
.paper-wrap { background: #fff; box-shadow: 0 2px 12px rgba(0,0,0,.16); }
.paper { background: #fff; position: relative; overflow: hidden; }
.paper .el-text {
  line-height: 1.25;
  white-space: pre-wrap;
  word-break: break-all;
  color: #111;
  overflow: hidden;
}
.paper-meta { text-align: center; font-size: 12px; color: var(--text-3); margin-top: 10px; }

/* ---------------- 登录页 ---------------- */
#auth-screen:empty { display: none; }
.auth-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(150deg, #1f2329 0%, #2b3544 55%, #1b3a5c 100%);
  padding: 24px;
}
.auth-card {
  width: 100%; max-width: 400px; background: #fff; border-radius: 14px;
  padding: 32px 30px 24px; box-shadow: 0 12px 40px rgba(0,0,0,.28);
}
.auth-logo { font-size: 20px; font-weight: 600; letter-spacing: .3px; }
.auth-sub { color: var(--text-3); font-size: 13px; margin: 6px 0 20px; }
.auth-label { display: block; font-size: 13px; color: var(--text-2); margin: 12px 0 6px; }
.auth-input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 14px; outline: none; transition: border-color .15s;
}
.auth-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(22,119,255,.1); }
.auth-form { display: flex; flex-direction: column; }
.btn-block { width: 100%; margin-top: 18px; }
.auth-note {
  font-size: 12px; color: var(--text-3); line-height: 1.7; margin-top: 10px;
  background: var(--bg); border-radius: 6px; padding: 8px 10px;
}
.auth-note-warn { background: #fffbe6; color: #614700; }
.auth-divider {
  display: flex; align-items: center; gap: 10px; margin: 20px 0 2px;
  color: var(--text-3); font-size: 12px;
}
.auth-divider::before, .auth-divider::after {
  content: ""; flex: 1; height: 1px; background: var(--border);
}
.auth-error {
  background: #fff1f0; border: 1px solid #ffccc7; color: #a8071a;
  padding: 9px 12px; border-radius: 6px; font-size: 13px; line-height: 1.6; margin-bottom: 14px;
}
.auth-foot { margin-top: 18px; font-size: 12px; color: var(--text-3); line-height: 1.7; }

/* ---------------- 侧栏用户卡 ---------------- */
.user-card { display: flex; gap: 10px; align-items: center; padding: 6px 0 10px; }
.user-avatar {
  width: 34px; height: 34px; border-radius: 50%; background: var(--primary);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 600; flex: none;
}
.user-meta { min-width: 0; }
.user-name {
  font-size: 13px; color: #fff; font-weight: 500;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.user-role { font-size: 11px; color: #8f959e; margin-top: 2px; }
.btn-ghost {
  background: transparent; color: #c9cdd4; border: 1px solid #3a4048; margin-top: 6px;
}
.btn-ghost:hover { background: #2b3038; color: #fff; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; font-size: 13px; }

/* 改密弹窗 */
.modal-body { padding: 18px 20px 20px; display: flex; flex-direction: column; min-width: 340px; }
.modal-body .btn-row { margin-top: 18px; }

/* ---------------- 仓库三大模块（订单中心 / 发货单 / 盘点） ---------------- */
.table-scroll { overflow-x: auto; background: #fff; border-radius: var(--radius); }
.table-cols { font-size: 12.5px; }
.table-cols th { position: sticky; top: 0; z-index: 1; }
.table-cols td { vertical-align: middle; }

.cell-img { object-fit: cover; border-radius: 4px; display: block; background: #f2f3f5; }
.cell-stack { display: flex; flex-direction: column; gap: 2px; }
.cell-stack .sub { color: var(--text-3); font-size: 11.5px; }
.cell-money { font-variant-numeric: tabular-nums; }

.tag-todo { background: #fff7e6; color: #d46b08; }
.tag-overdue { background: #fff1f0; color: #cf1322; }
.tag-warn { background: #fff7e6; color: #d46b08; }

/* 列设置弹层 */
.modal-sm { max-width: 560px; width: 92vw; }
.col-settings {
  padding: 12px 16px 16px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 8px 14px;
  max-height: 52vh;
  overflow-y: auto;
}
.col-item { display: flex; align-items: center; gap: 7px; font-size: 13px; cursor: pointer; padding: 3px 0; }
.col-item input { margin: 0; }
.tiny { font-size: 11px; }

/* 盘点明细行内输入 */
.qty-input {
  width: 78px; padding: 3px 6px; border: 1px solid var(--border);
  border-radius: 4px; font-size: 13px; text-align: right; font-variant-numeric: tabular-nums;
}
.qty-input:focus { outline: none; border-color: var(--primary); }
.qty-input.diff-up { border-color: var(--success); background: #f6ffed; }
.qty-input.diff-down { border-color: var(--danger); background: #fff1f0; }

/* 状态条 */
.status-strip { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.status-strip .item { font-size: 13px; color: var(--text-2); }
.status-strip .item b { color: var(--text); font-size: 16px; margin-left: 4px; }

/* 行内可编辑文本 */
.inline-edit {
  border: 1px dashed transparent; border-radius: 4px; padding: 2px 4px;
  cursor: text; display: inline-block; min-width: 40px; max-width: 220px;
}
.inline-edit:hover { border-color: var(--border); background: #fafbfc; }
.inline-edit.empty { color: var(--text-3); font-style: italic; }