/* ============================================================
   业务管理系统 — 设计系统（简约企业风 · 参考顺丰工作台）
   白色侧边栏 + 顺丰红主色 + 浅灰底 + 白卡片 + 克制阴影
   类名与旧版完全兼容，纯视觉升级
   ============================================================ */
[hidden] { display: none !important; }
:root {
  --primary: #2563eb;          /* 企业蓝（稳重专业，参考大厂中后台） */
  --primary-hover: #1d4fd7;
  --primary-soft: #eef4ff;
  --primary-border: #c3d7fb;
  --grad: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  --bg: #f5f6fa;
  --card: #ffffff;
  --border: #e8eaf0;
  --border-strong: #d8dbe4;
  --text: #1f2329;
  --text-2: #51565f;
  --text-3: #8f959e;
  --success: #16a34a;   --success-soft: #f0faf4;  --success-border: #bbe8cb;
  --warning: #d97706;   --warning-soft: #fff8ec;  --warning-border: #faddb3;
  --danger: #dc2626;    --danger-soft: #fdf1f1;   --danger-border: #f6c8c8;
  --info: #0d8fbf;      --info-soft: #eef9fd;     --info-border: #b5e5f4;
  --purple: #7c5cf0;    --purple-soft: #f4f1ff;   --purple-border: #ddd2fb;
  --side-bg: #ffffff;
  --sidebar-w: 220px;
  --header-h: 56px;
  --radius: 10px;
  --surface-2: #fafbfc;
  --shadow: 0 1px 2px rgba(31, 35, 41, .04), 0 1px 6px rgba(31, 35, 41, .04);
  --shadow-lg: 0 12px 40px rgba(31, 35, 41, .14);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: var(--font); font-size: 13.5px; color: var(--text);
  background: var(--bg);
}
input, select, textarea, button { font-family: inherit; font-size: inherit; color: inherit; }
a { color: var(--primary); text-decoration: none; }
::placeholder { color: var(--text-3); }

/* 细滚动条 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: #d3d7e0; border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: #b8bdc9; }
::-webkit-scrollbar-track { background: transparent; }

/* ============ 登录页（浅色简约） ============ */
.login-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(760px 420px at 82% -8%, rgba(213, 40, 30, .07), transparent 60%),
    radial-gradient(640px 380px at -6% 108%, rgba(13, 143, 191, .06), transparent 60%),
    var(--bg);
  padding: 24px; position: relative; overflow: hidden;
}
.login-card {
  width: 400px; background: #fff; border-radius: 14px;
  box-shadow: 0 8px 32px rgba(31, 35, 41, .08), 0 0 0 1px var(--border);
  padding: 38px 38px 26px; position: relative; z-index: 1;
  animation: cardFloat .5s ease-out;
}
@keyframes cardFloat { from { opacity: 0; transform: translateY(14px); } }
.login-brand { display: flex; gap: 13px; align-items: center; margin-bottom: 28px; }
.login-logo { width: 44px; height: 44px; }
.login-title { font-size: 20px; font-weight: 800; letter-spacing: .01em; }
.login-sub { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.login-form .field { margin-bottom: 16px; }
.login-error { background: var(--danger-soft); color: var(--danger); border: 1px solid var(--danger-border); border-radius: 8px; padding: 8px 12px; font-size: 12.5px; margin-bottom: 14px; }
.login-foot { text-align: center; color: var(--text-3); font-size: 11.5px; margin-top: 22px; letter-spacing: .06em; }

/* ============ 布局 ============ */
.app { display: flex; height: 100vh; overflow: hidden; }
.sidebar {
  width: var(--sidebar-w); background: var(--side-bg);
  display: flex; flex-direction: column; flex-shrink: 0; position: relative; z-index: 10;
  border-right: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.brand-logo { width: 32px; height: 32px; }
.brand-name { font-weight: 700; font-size: 15px; line-height: 1.2; color: var(--text); letter-spacing: .01em; }
.brand-name span { display: block; font-size: 10.5px; font-weight: 500; color: var(--text-3); margin-top: 1px; }
.nav { flex: 1; overflow-y: auto; padding: 10px 12px; }
.nav-group-title {
  font-size: 11px; color: var(--text-3); padding: 14px 10px 6px; letter-spacing: .12em; font-weight: 600;
}
.nav-item {
  position: relative; display: flex; align-items: center; gap: 10px; padding: 9px 12px;
  border-radius: 8px; color: var(--text-2); cursor: pointer; margin-bottom: 2px; user-select: none;
  font-weight: 500; transition: background .14s, color .14s;
}
.nav-item:hover { background: #f4f5f7; color: var(--text); }
.nav-item.active {
  background: var(--primary-soft); color: var(--primary); font-weight: 600;
}
.nav-item.active::before {
  content: ""; position: absolute; left: 0; top: 22%; bottom: 22%; width: 3px; border-radius: 99px;
  background: var(--primary);
}
.nav-item svg { flex-shrink: 0; }
.nav-item .nav-badge { margin-left: auto; background: var(--danger); color: #fff; font-size: 10.5px; border-radius: 99px; padding: 1px 6px; min-width: 17px; text-align: center; }
.sidebar-foot { border-top: 1px solid var(--border); padding: 11px 14px; }
.user-chip { display: flex; align-items: center; gap: 9px; cursor: pointer; border-radius: 8px; padding: 4px; transition: background .14s; }
.user-chip:hover { background: #f4f5f7; }
.avatar {
  width: 32px; height: 32px; border-radius: 50%; background: var(--grad);
  color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; flex-shrink: 0;
}
.user-meta { flex: 1; min-width: 0; }
.user-name { font-weight: 600; font-size: 12.5px; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-sub { font-size: 10.5px; color: var(--text-3); }
.icon-btn {
  border: none; background: transparent; color: var(--text-3); cursor: pointer; width: 28px; height: 28px;
  border-radius: 8px; display: flex; align-items: center; justify-content: center; transition: all .14s;
}
.icon-btn:hover { background: var(--danger-soft); color: var(--danger); }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  height: var(--header-h); background: #fff;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; padding: 0 24px; flex-shrink: 0;
}
.topbar h1 { font-size: 16px; font-weight: 700; letter-spacing: .01em; }
.date-chip { color: var(--text-3); font-size: 12.5px; }
.page-container { flex: 1; overflow-y: auto; padding: 20px 24px 44px; }

/* ============ 通用组件 ============ */
.card {
  background: var(--card); border-radius: var(--radius); border: 1px solid var(--border);
  box-shadow: var(--shadow); transition: box-shadow .18s;
}
.card:hover { box-shadow: 0 2px 4px rgba(31, 35, 41, .05), 0 6px 20px rgba(31, 35, 41, .07); }
.card-pad { padding: 18px 20px; }
.card-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; border-bottom: 1px solid var(--border); }
.card-header h3 { font-size: 14px; font-weight: 700; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--border-strong); background: #fff; color: var(--text);
  border-radius: 8px; padding: 7px 14px; cursor: pointer; font-weight: 500; white-space: nowrap;
  transition: all .14s;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary {
  background: var(--primary); border: 1px solid var(--primary); color: #fff;
}
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: #fff; box-shadow: 0 2px 8px rgba(37, 99, 235, .25); }
.btn-primary:active { transform: translateY(0); }
.btn-danger { color: var(--danger); }
.btn-danger:hover { border-color: var(--danger); background: var(--danger-soft); color: var(--danger); box-shadow: none; }
.btn-sm { padding: 4px 10px; font-size: 12.5px; border-radius: 7px; }
.btn-lg { padding: 11px 18px; font-size: 14.5px; border-radius: 9px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }

.field { display: flex; flex-direction: column; gap: 5px; }
.field > label { font-size: 12.5px; color: var(--text-2); font-weight: 600; }
.field .req::after { content: " *"; color: var(--danger); }
input[type=text], input[type=password], input[type=number], input[type=date], input[type=datetime-local], input[type=month], select, textarea {
  border: 1px solid var(--border-strong); border-radius: 8px; padding: 7.5px 11px; background: #fff;
  outline: none; transition: border .14s, box-shadow .14s; width: 100%;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .1);
}
textarea { resize: vertical; min-height: 64px; }
.form-error { background: var(--danger-soft); color: var(--danger); border: 1px solid var(--danger-border); border-radius: 8px; padding: 8px 12px; font-size: 12.5px; margin-bottom: 12px; }
.form-hint { font-size: 11.5px; color: var(--text-3); }

/* 徽章 */
.badge {
  display: inline-flex; align-items: center; gap: 4px; border-radius: 5px; padding: 2px 8px;
  font-size: 11.5px; font-weight: 600; line-height: 1.5; white-space: nowrap;
}
.badge-gray   { background: #f2f3f5; color: #646a73; border: 1px solid #e3e5e8; }
.badge-blue   { background: var(--info-soft); color: var(--info); border: 1px solid var(--info-border); }
.badge-green  { background: var(--success-soft); color: var(--success); border: 1px solid var(--success-border); }
.badge-amber  { background: var(--warning-soft); color: var(--warning); border: 1px solid var(--warning-border); }
.badge-red    { background: var(--danger-soft); color: var(--danger); border: 1px solid var(--danger-border); }
.badge-purple { background: var(--purple-soft); color: var(--purple); border: 1px solid var(--purple-border); }
.badge-cyan   { background: #eef4ff; color: #3b6ce0; border: 1px solid #cad9fa; }

/* 表格 */
.table-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; }
.tbl th {
  text-align: left; font-size: 12px; font-weight: 600; color: var(--text-2);
  padding: 10px 14px; border-bottom: 1px solid var(--border); background: #fafbfc; white-space: nowrap;
}
.tbl td { padding: 11px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.tbl tr:last-child td { border-bottom: none; }
.tbl tbody tr { transition: background .1s; }
.tbl tbody tr:hover { background: #f6f8fc; }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; }
.tbl .money { text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; }
.tbl .link { color: var(--primary); cursor: pointer; font-weight: 500; }
.tbl .link:hover { text-decoration: underline; }
.tbl .muted { color: var(--text-3); }
.tbl .sub { display: block; font-size: 11px; color: var(--text-3); margin-top: 2px; }
/* 表格行状态高亮 */
.tbl .row-danger td { background: #fdf3f3; }
.tbl .row-danger td:first-child { box-shadow: inset 3px 0 0 var(--danger); }
.tbl .row-expiring td { background: #fdf7ea; }
.tbl .row-expiring td:first-child { box-shadow: inset 3px 0 0 var(--warning); }
.tbl .row-muted td { color: var(--text-3); background: #fafbfc; }
.tbl .row-muted td b { color: var(--text-3); }
.tbl tbody tr.row-danger:hover td { background: #fcebeb; }
.tbl tbody tr.row-expiring:hover td { background: #fbf2dd; }

/* 工具栏 */
.toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar .search-input { width: 250px; }
.toolbar .spacer { flex: 1; }

/* 分页 */
.pager { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; font-size: 12.5px; color: var(--text-2); }
.pager-btns { display: flex; gap: 6px; }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); padding: 0 8px; }
.tab {
  padding: 10px 15px; cursor: pointer; color: var(--text-2); font-weight: 500; border-bottom: 2px solid transparent;
  margin-bottom: -1px; user-select: none; white-space: nowrap; transition: color .14s;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.tab .cnt { font-size: 11px; color: var(--text-3); margin-left: 3px; }

/* KPI 卡片（顺丰风：白卡 + 右侧浅色图标，无渐变装饰线） */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-bottom: 16px; }
.kpi {
  position: relative; overflow: hidden;
  background: var(--card); border-radius: var(--radius); border: 1px solid var(--border);
  padding: 17px 18px; box-shadow: var(--shadow);
  transition: box-shadow .16s;
}
.kpi:hover { box-shadow: 0 2px 6px rgba(31, 35, 41, .06), 0 8px 22px rgba(31, 35, 41, .09); }
.kpi.kpi-click { cursor: pointer; transition: transform .12s ease, box-shadow .12s ease; }
.kpi.kpi-click:hover { transform: translateY(-2px); box-shadow: 0 4px 10px rgba(31, 35, 41, .08), 0 10px 26px rgba(31, 35, 41, .12); }
.kpi.kpi-click:active { transform: translateY(0); }
.kpi-label { font-size: 12.5px; color: var(--text-2); display: flex; align-items: center; gap: 6px; }
.kpi-value { font-size: 23px; font-weight: 800; margin-top: 7px; font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.kpi-sub { font-size: 11.5px; color: var(--text-3); margin-top: 4px; }
.kpi .kpi-icon { width: 34px; height: 34px; border-radius: 8px; display: flex; align-items: center; justify-content: center; float: right; }

/* ============ 弹窗 ============ */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(31, 35, 41, .45);
  z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 24px; animation: fadeIn .14s;
}
.modal {
  background: #fff; border-radius: 12px; width: 560px; max-width: 100%; max-height: 90vh;
  display: flex; flex-direction: column; box-shadow: var(--shadow-lg); animation: popIn .16s;
}
.modal.modal-wide { width: 780px; }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 15px 20px; border-bottom: 1px solid var(--border); }
.modal-header h3 { font-size: 15px; font-weight: 700; }
.modal-close { border: none; background: transparent; font-size: 20px; color: var(--text-3); cursor: pointer; width: 30px; height: 30px; border-radius: 8px; line-height: 1; transition: all .14s; }
.modal-close:hover { background: var(--danger-soft); color: var(--danger); }
.modal-body { padding: 18px 20px; overflow-y: auto; }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; padding: 13px 20px; border-top: 1px solid var(--border); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid .span2 { grid-column: span 2; }

/* ============ 抽屉（订单详情） ============ */
.drawer-overlay {
  position: fixed; inset: 0; background: rgba(31, 35, 41, .4);
  z-index: 900; animation: fadeIn .14s;
}
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: 780px; max-width: 96vw; background: #fff;
  z-index: 901; display: flex; flex-direction: column; box-shadow: var(--shadow-lg);
  animation: slideIn .2s ease-out;
}
.drawer-header { padding: 16px 24px 13px; border-bottom: 1px solid var(--border); }
.drawer-body { flex: 1; overflow-y: auto; }
.drawer-close { position: absolute; top: 13px; right: 16px; }

@keyframes fadeIn { from { opacity: 0; } }
@keyframes popIn { from { opacity: 0; transform: scale(.97) translateY(6px); } }
@keyframes slideIn { from { transform: translateX(36px); opacity: 0; } }

/* ============ Toast ============ */
.toast-root { position: fixed; top: 18px; left: 50%; transform: translateX(-50%); z-index: 2000; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast {
  background: rgba(31, 35, 41, .92); color: #fff; border-radius: 8px; padding: 10px 18px; font-size: 13px;
  box-shadow: 0 8px 28px rgba(31, 35, 41, .3); animation: toastIn .2s;
  display: flex; align-items: center; gap: 8px; max-width: 80vw;
}
.toast.success { background: #16a34a; }
.toast.error { background: #dc2626; }
@keyframes toastIn { from { opacity: 0; transform: translateY(-10px); } }

/* ============ 订单表单专属 ============ */
.seg { display: flex; background: #f2f3f5; border-radius: 9px; padding: 3px; gap: 3px; }
.seg-item { flex: 1; text-align: center; padding: 7px 10px; border-radius: 7px; cursor: pointer; color: var(--text-2); font-weight: 600; user-select: none; transition: all .14s; }
.seg-item.active { background: #fff; color: var(--primary); box-shadow: 0 1px 4px rgba(31, 35, 41, .12); }

.items-editor { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.items-editor .item-row { display: grid; grid-template-columns: 1.6fr 1.2fr .55fr .8fr .6fr 1fr 32px; gap: 8px; padding: 10px 12px; align-items: start; border-bottom: 1px solid var(--border); }
/* 输入框常显名称标签（填值后仍知道每格是什么） */
.items-editor .fld { min-width: 0; }
.items-editor .fld-tag { display: block; font-size: 10px; color: var(--text-3); line-height: 1; margin: 0 0 3px 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.items-editor .fld input, .items-editor .fld select { width: 100%; }
.items-editor.qt-rental .item-row { grid-template-columns: 1.25fr 1fr .45fr .72fr .5fr 1fr 30px; }
/* 租赁行第二行：租赁周期整行宽（日期选择不压缩） */
.items-editor.qt-rental .it-goods { grid-column: 1; }
.items-editor.qt-rental .it-name { grid-column: 2; }
.items-editor.qt-rental .it-qty { grid-column: 3; }
.items-editor.qt-rental .it-price { grid-column: 4; }
.items-editor.qt-rental .it-rate { grid-column: 5; }
.items-editor.qt-rental .item-amount { grid-column: 6; }
.items-editor.qt-rental .it-del { grid-column: 7; }
.items-editor.qt-rental .it-period-wrap { grid-column: 1 / -1; grid-row: 2; display: flex; align-items: center; gap: 8px; background: var(--surface-2); border-radius: 7px; padding: 6px 10px; }
.items-editor.qt-rental .it-period-wrap input[type=date] { flex: 1; font-size: 12.5px; padding: 6px 8px; width: auto; min-width: 0; }
.it-period-wrap { display: flex; align-items: center; gap: 6px; min-width: 0; }
.it-period-wrap .it-days { font-size: 13px; font-weight: 700; color: var(--primary); white-space: nowrap; min-width: 44px; text-align: center; }
.it-period-wrap .ip-label { font-size: 12px; color: var(--text-3); white-space: nowrap; }
.items-editor.qt-study .item-row { grid-template-columns: 1.25fr 1fr .82fr .5fr .72fr .55fr .92fr 30px; }
.mode-seg { display: flex; border: 1px solid var(--border); border-radius: 7px; overflow: hidden; background: var(--surface-2); }
.mode-seg span { flex: 1; text-align: center; padding: 7px 2px; font-size: 12px; cursor: pointer; color: var(--text-3); user-select: none; white-space: nowrap; }
.mode-seg span.active { background: var(--primary); color: #fff; font-weight: 600; }
.items-editor .item-row:last-child { border-bottom: none; }
.items-editor .item-row input, .items-editor .item-row select { padding: 6px 9px; }
.item-amount { text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; line-height: 1.5; }
.item-amount .ia-line { font-size: 12.5px; }
.item-amount .ia-sub { font-size: 11px; color: var(--text-3); }
.items-footer { display: flex; flex-direction: column; gap: 8px; padding: 10px 12px; background: #fafbfc; }
.items-footer .items-top { display: flex; justify-content: space-between; align-items: center; }
.items-total { font-size: 14px; }
.items-total b { font-size: 17px; color: var(--primary); font-variant-numeric: tabular-nums; }
.amounts-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 12.5px; color: var(--text-2); border-top: 1px dashed var(--border-strong); padding-top: 9px; }
.amounts-bar b { font-variant-numeric: tabular-nums; color: var(--text); }
.amounts-bar .am-op { color: var(--text-3); }

.type-section { border: 1px dashed var(--border-strong); border-radius: 10px; padding: 13px 14px; background: #fafbfc; }

/* 详情页 */
.detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px 20px; }
.detail-item .di-label { font-size: 11.5px; color: var(--text-3); margin-bottom: 3px; }
.detail-item .di-value { font-size: 13px; font-weight: 500; word-break: break-all; }

.sub-list { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.sub-empty { padding: 30px; text-align: center; color: var(--text-3); font-size: 12.5px; }

.empty-state { padding: 60px 20px; text-align: center; color: var(--text-3); }
.empty-state .es-icon { font-size: 34px; margin-bottom: 10px; }

.loading { padding: 60px; text-align: center; color: var(--text-3); }

/* 状态红点（替代 emoji） */
.dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--danger); vertical-align: 1px; }

/* 简单响应式 */
@media (max-width: 900px) {
  .sidebar { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .span2 { grid-column: span 1; }
  .detail-grid { grid-template-columns: 1fr 1fr; }
}