.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(420px, 100%);
  padding: 36px 32px;
}

.logo-mark { width:64px; height:64px; margin-bottom:16px; }
.logo-mark.sm { width:40px; height:40px; margin:0; line-height:0; flex:0 0 auto; }

.login-panel h1 { margin: 0 0 8px; font-size: 1.55rem; }
.login-sub { margin: 0 0 24px; color: var(--muted); }
.login-copy {
  margin-top: 22px;
  text-align: center;
  color: var(--muted);
  font-size: 0.78rem;
}

/* ===== 标准后台布局 ===== */
.admin-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: linear-gradient(180deg, #121a22 0%, #0e141b 100%);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  padding: 18px 14px;
}

.sidebar-brand {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 8px 8px 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 14px;
}

.side-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.3;
}
.side-sub { color: var(--muted); font-size: 0.72rem; margin-top: 2px; letter-spacing: 0.04em; }

.side-nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }

.nav-item {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--muted);
  text-align: left;
  padding: 11px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 500;
  transition: 0.15s ease;
  display: block;
  text-decoration: none;
}
.nav-item:hover { background: rgba(255,255,255,0.04); color: var(--text); }
.nav-item.active {
  background: rgba(61, 155, 143, 0.18);
  color: #9de4da;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
  padding: 14px 16px;
}
.filter-bar .field.inline {
  margin: 0;
  min-width: 180px;
}
.filter-bar .input { min-width: 180px; }

.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.kpi-row-5 { grid-template-columns: repeat(5, 1fr); }
.kpi-row-6 { grid-template-columns: repeat(6, 1fr); }
.kpi { padding: 18px 20px; }
.kpi-label { color: var(--muted); font-size: 0.85rem; margin-bottom: 8px; }
.kpi-value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
}
.kpi-value small { font-size: 0.95rem; margin-left: 2px; color: var(--muted); }
.kpi-value.ok { color: var(--ok); }
.kpi-value.muted { color: var(--stop); }

.chart-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 14px;
}
.chart-card { padding: 16px 18px 20px; }
.logo-mark img { width:100%; height:100%; object-fit:contain; }
.customer-view-btn { text-decoration:none; white-space:nowrap; }
.chart-grid .chart-card { min-width: 0; }
.chart-grid canvas { max-height: 320px; }
.chart-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
}
.chart-head h2 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 1.05rem;
}
.chart-head p { margin: 0; color: var(--muted); font-size: 0.84rem; }

.util-bar {
  width: 90px;
  height: 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
  display: inline-block;
  vertical-align: middle;
  margin-right: 8px;
}
.util-bar > i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

@media (max-width: 1100px) {
  .kpi-row-6 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .kpi-row, .kpi-row-5, .kpi-row-6, .chart-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .kpi-row, .kpi-row-5, .kpi-row-6, .chart-grid { grid-template-columns: 1fr; }
  .chart-grid canvas { max-height: 250px; }
}

.sidebar-foot {
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.4;
  padding: 12px 8px 4px;
  border-top: 1px solid var(--line);
}

.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: transparent;
}

.main-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(15, 20, 25, 0.72);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.page-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
}

.header-actions { display: flex; align-items: center; gap: 10px; }
.tenant-switch { display:flex; align-items:center; gap:8px; color:var(--muted); font-size:.82rem; }
.tenant-switch .input { width:180px; min-width:0; padding:8px 10px; }
.admin-name { color: var(--muted); font-size: 0.9rem; }

.main-body {
  flex: 1;
  padding: 20px 24px 28px;
}

.main-footer {
  padding: 12px 24px 18px;
  color: var(--muted);
  font-size: 0.78rem;
  border-top: 1px solid var(--line);
}

.panel-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}
.panel-toolbar h2 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 1.15rem;
}
.panel-toolbar p { margin: 0; color: var(--muted); font-size: 0.88rem; }

.panel { padding: 4px 0 0; }

.api-key {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  word-break: break-all;
  white-space: normal;
  display: inline-block;
  max-width: 280px;
  vertical-align: middle;
  line-height: 1.35;
}

.expiry-cell { min-width: 168px; white-space: nowrap; }
.expiry-cell .tag { margin-left: 6px; }

.btn-xs {
  padding: 4px 8px;
  font-size: 0.78rem;
  margin-left: 6px;
  vertical-align: middle;
}

a.btn {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.ops { display: flex; gap: 6px; flex-wrap: wrap; }

.pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 14px 14px;
  color: var(--muted);
  font-size: 0.88rem;
}
.pager-btns { display: flex; gap: 8px; }

.msg-cell {
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 900px) {
  .admin-layout { grid-template-columns: 1fr; }
  .sidebar {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: 12px;
  }
  .sidebar-brand { border: none; margin: 0; padding: 0; }
  .side-nav { flex-direction: row; flex-wrap: wrap; width: 100%; }
  .sidebar-foot { display: none; }
  .panel-toolbar { flex-direction: column; align-items: stretch; }
  .main-header { flex-wrap: wrap; }
}

@media (max-width: 720px) {
  .tenant-switch { width: 100%; order: 2; }
  .tenant-switch .input { flex: 1; width: auto; }
}

/* 客户表格：仅第一列触发展开；详情宽度跟随可视区域。 */
.customer-table-wrap { min-width:0; max-width:100%; overflow-x:auto; container-type:inline-size; }
.customer-table { width:100%; border-collapse:collapse; text-align:left; }
.customer-table th, .customer-table td { padding:14px 12px; white-space:nowrap; border-bottom:1px solid var(--line); }
.customer-table th { color:var(--muted); font-size:.82rem; font-weight:500; }
.customer-table td { font-size:.85rem; }
.customer-table .customer-toggle-cell { padding:0; }
.customer-toggle { display:flex; align-items:center; gap:10px; width:100%; min-height:70px; padding:14px 16px; border:0; background:transparent; color:inherit; font:inherit; text-align:left; cursor:pointer; white-space:nowrap; }
.customer-toggle:hover { background:rgba(61,155,143,.08); }
.customer-toggle:focus-visible { outline:2px solid var(--accent); outline-offset:-3px; }
.customer-chevron { font-size:24px; color:var(--accent); transition:transform .15s; }
.customer-toggle[aria-expanded="true"] .customer-chevron { transform:rotate(90deg); }
.customer-key, .customer-actions { display:flex; align-items:center; gap:8px; flex-wrap:nowrap; }
.customer-key .api-key { display:block; max-width:140px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.customer-details[hidden] { display:none; }
.customer-table .customer-details > td { padding:0; white-space:normal; }
.customer-detail-panel { box-sizing:border-box; width:100cqw; max-width:100%; position:sticky; left:0; padding:20px; }
.customer-detail-toolbar { display:flex; align-items:center; justify-content:space-between; gap:12px; color:var(--muted); font-size:.82rem; margin-bottom:16px; }
.customer-detail-grid { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:20px; }
.customer-detail-grid section { min-width:0; }
.customer-detail-grid h3 { margin:0 0 12px; font-size:.95rem; }
.customer-detail-grid h3 small { color:var(--muted); font-weight:400; }
.customer-item { padding:14px; border:1px solid var(--line); border-radius:10px; margin-top:8px; background:rgba(0,0,0,.08); }
.customer-item-title { display:flex; justify-content:space-between; align-items:flex-start; gap:10px; }
.customer-item-title strong { min-width:0; overflow-wrap:anywhere; font-size:.9rem; }
.customer-item dl { margin:12px 0 0; display:grid; gap:8px; font-size:.8rem; }
.customer-item dl > div { display:grid; grid-template-columns:70px minmax(0,1fr); gap:8px; }
.customer-item dt { color:var(--muted); }
.customer-item dd { margin:0; overflow-wrap:anywhere; }
.customer-empty { padding:20px; color:var(--muted); line-height:1.6; }
.customer-choice-list { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:8px; max-height:190px; overflow:auto; padding:10px; border:1px solid var(--line); border-radius:10px; }
.customer-choice { display:flex; align-items:center; gap:8px; padding:8px 10px; border-radius:8px; background:rgba(255,255,255,.03); cursor:pointer; }
.customer-choice:hover { background:rgba(61,155,143,.12); }
.customer-choice input { accent-color:var(--accent); }
@media(max-width:600px) {
  .main-header { position:static; padding:14px 16px; }
  .header-actions { flex-wrap:wrap; gap:8px; }
  .main-body { padding:16px 12px; }
  .customer-detail-grid { grid-template-columns:minmax(0,1fr); }
  .customer-detail-panel { padding:16px; }
  .customer-detail-toolbar { align-items:flex-start; }
  .customer-detail-toolbar .btn { flex-shrink:0; }
  #customerModal { padding:12px; }
  #customerModal .modal { max-height:calc(100dvh - 24px); overflow-y:auto; }
}