:root {
  color-scheme: light;
  --ink: #182230;
  --muted: #6c7786;
  --line: #dce2e8;
  --soft: #f4f6f8;
  --panel: #ffffff;
  --accent: #176b87;
  --accent-dark: #0f4f68;
  --danger: #b43b42;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--soft); color: var(--ink); font-size: 14px; }
button, input, select { font: inherit; }
button { cursor: pointer; }
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: #eaf1f3; }
.login-panel { width: min(430px, 100%); background: var(--panel); border: 1px solid var(--line); padding: 36px; box-shadow: 0 18px 50px #16374714; }
.brand-mark { color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.login-panel h1 { margin: 14px 0 8px; font-size: 28px; letter-spacing: -.02em; }
.login-panel p { margin: 0 0 28px; color: var(--muted); }
.field { display: grid; gap: 7px; margin: 16px 0; }
.field label { color: var(--muted); font-size: 12px; font-weight: 700; }
.field input, .field select { width: 100%; border: 1px solid var(--line); background: #fff; padding: 11px 12px; color: var(--ink); outline: none; }
.field input:focus, .field select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px #176b8718; }
.primary { border: 0; background: var(--accent); color: #fff; padding: 11px 16px; font-weight: 700; }
.primary:hover { background: var(--accent-dark); }
.secondary { border: 1px solid var(--line); background: #fff; color: var(--ink); padding: 9px 13px; font-weight: 650; }
.danger { color: var(--danger); }
.error { min-height: 20px; color: var(--danger); font-size: 13px; }
.shell { min-height: 100vh; display: grid; grid-template-columns: 238px 1fr; }
.sidebar { background: #142b35; color: #d8e5e8; padding: 25px 16px; display: flex; flex-direction: column; }
.sidebar .brand-mark { color: #8fd0d6; padding: 0 12px 28px; }
.profile { border-top: 1px solid #ffffff20; border-bottom: 1px solid #ffffff20; padding: 17px 12px; margin-bottom: 18px; }
.profile strong { display: block; color: #fff; margin-bottom: 5px; }
.profile span { color: #9cb2b7; font-size: 12px; }
.nav { display: grid; gap: 5px; }
.nav button { border: 0; text-align: left; padding: 11px 12px; color: #b9cbd0; background: transparent; }
.nav button:hover, .nav button.active { background: #ffffff14; color: #fff; }
.sidebar-footer { margin-top: auto; padding: 12px; }
.sidebar-footer button { width: 100%; border: 1px solid #ffffff30; background: transparent; color: #d8e5e8; padding: 9px; }
.main { min-width: 0; }
.topbar { min-height: 72px; background: #fff; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; padding: 0 34px; }
.topbar h1 { margin: 0; font-size: 21px; }
.topbar small { color: var(--muted); }
.tenant-switcher { border: 1px solid var(--line); background: #fff; color: var(--ink); padding: 8px 30px 8px 10px; }
.content { padding: 30px 34px 50px; max-width: 1280px; }
.toolbar { display: flex; gap: 10px; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.toolbar h2 { margin: 0; font-size: 18px; }
.subtle { margin: 5px 0 0; color: var(--muted); font-size: 12px; }
.filter-bar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 18px; }
.filter-bar input, .filter-bar select { border: 1px solid var(--line); background: #fff; padding: 10px 11px; color: var(--ink); }
.filter-bar input { min-width: 260px; flex: 1; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-bottom: 26px; }
.stat { background: #fff; border: 1px solid var(--line); padding: 20px; }
.stat span { color: var(--muted); font-size: 12px; }
.stat strong { display: block; margin-top: 8px; font-size: 26px; }
.section { background: #fff; border: 1px solid var(--line); margin-top: 18px; }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 18px; border-bottom: 1px solid var(--line); }
.section-head h3 { margin: 0; font-size: 15px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 13px 18px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
th { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; }
tr:last-child td { border-bottom: 0; }
.badge { display: inline-flex; align-items: center; padding: 4px 8px; background: #edf5f4; color: #21705e; font-size: 12px; }
.badge.muted { background: #f0f1f3; color: #68727d; }
.empty { color: var(--muted); padding: 24px 18px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 18px; padding: 4px 18px 18px; }
.form-section-label { grid-column: 1 / -1; margin-top: 16px; padding: 10px 0 6px; border-bottom: 1px solid var(--line); color: var(--ink); font-size: 13px; font-weight: 700; }
.form-grid [hidden] { display: none !important; }
.form-advanced { grid-column: 1 / -1; border-top: 1px solid var(--line); margin-top: 12px; }
.form-advanced summary { cursor: pointer; padding: 14px 0; font-size: 13px; font-weight: 700; color: var(--ink); }
.form-advanced > .form-grid { padding: 0; }
.form-actions { grid-column: 1 / -1; display: flex; justify-content: flex-end; gap: 10px; margin-top: 7px; }
.notice { padding: 12px 14px; border-left: 3px solid var(--accent); background: #edf6f8; color: #315b66; margin-bottom: 18px; }
.workbench-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; margin-bottom: 22px; }
.workbench-head h2 { margin: 3px 0 5px; font-size: 23px; }
.workbench-head span, .eyebrow { color: var(--muted); font-size: 12px; }
.eyebrow { color: var(--accent); font-weight: 700; }
.refresh-group { display: flex; align-items: center; gap: 9px; white-space: nowrap; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: #27a77e; }
.refresh-group button { font-size: 20px; line-height: 1; min-width: 37px; padding: 5px; }
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.metric { min-height: 142px; padding: 19px; background: #fff; border: 1px solid var(--line); }
.metric-label { color: var(--muted); font-size: 12px; }
.metric strong { display: block; margin: 11px 0 7px; font-size: 27px; font-weight: 750; white-space: nowrap; }
.metric strong em { font-size: 15px; font-style: normal; color: var(--muted); font-weight: 500; }
.metric small { color: var(--muted); font-size: 11px; }
.meter { height: 5px; background: #e7edf0; margin-bottom: 6px; }
.meter span { display: block; height: 100%; background: #1e8c98; }
.workbench-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr); gap: 14px; }
.section-head > div span { color: var(--muted); display: block; margin-top: 4px; font-size: 11px; }
.chart { padding: 18px 20px 16px; }
.chart-bars { height: 190px; display: grid; grid-template-columns: repeat(24, minmax(0, 1fr)); align-items: end; gap: 4px; border-bottom: 1px solid var(--line); }
.chart-cell { height: 100%; display: flex; align-items: flex-end; }
.chart-cell span { display: block; width: 100%; background: #57a9ad; min-height: 3px; }
.chart-cell:hover span { background: var(--accent); }
.chart-labels { display: flex; justify-content: space-between; color: var(--muted); font-size: 10px; padding-top: 8px; }
.capacity-list { padding: 8px 18px; }
.capacity-list > div { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.capacity-list > div:last-child { border-bottom: 0; }
.capacity-list span { color: var(--muted); }
.capacity-list strong { font-weight: 700; }
@media (max-width: 850px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { padding: 16px; }
  .sidebar .brand-mark { padding-bottom: 15px; }
  .profile { margin-bottom: 10px; }
  .nav { display: flex; overflow-x: auto; }
  .nav button { white-space: nowrap; }
  .sidebar-footer { margin-top: 10px; padding: 0; }
  .topbar, .content { padding-left: 18px; padding-right: 18px; }
  .grid { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .workbench-grid { grid-template-columns: 1fr; }
  .workbench-head { align-items: flex-start; }
  .metric strong { font-size: 22px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-actions { grid-column: auto; }
}
@media (max-width: 520px) {
  .metric-grid { grid-template-columns: 1fr; }
  .workbench-head { display: block; }
  .refresh-group { margin-top: 12px; }
}

/* Operations console */
:root { --ink: #18252b; --muted: #697780; --line: #dde4e5; --soft: #f4f7f6; --accent: #087d77; --accent-dark: #06645f; --warning: #b57920; letter-spacing: 0; }
body { background: var(--soft); }
.shell { grid-template-columns: 226px minmax(0, 1fr); }
.sidebar { background: #fff; color: var(--ink); border-right: 1px solid var(--line); padding: 20px 11px; }
.sidebar .brand-mark { display: flex; align-items: center; gap: 10px; padding: 0 10px 19px; color: var(--ink); letter-spacing: 0; font-size: 13px; }
.brand-symbol { display: grid; place-items: center; width: 34px; height: 34px; flex: none; border-radius: 6px; color: #fff; background: var(--accent); font-size: 19px; font-weight: 700; }
.sidebar .brand-mark small { display: block; margin-top: 2px; color: var(--muted); font-size: 10px; font-weight: 500; text-transform: none; }
.profile { border-color: var(--line); padding: 13px 12px; margin-bottom: 13px; }
.profile strong { color: var(--ink); }
.profile span { color: var(--muted); }
.nav { gap: 2px; }
.nav-group { padding: 17px 12px 6px; color: #849196; font-size: 11px; font-weight: 700; }
.nav button { width: 100%; border-radius: 5px; padding: 9px 12px; color: #4d5d65; font-size: 13px; }
.nav button:hover { color: var(--ink); background: #f0f5f4; }
.nav button.active { color: var(--accent-dark); background: #e8f4f1; font-weight: 700; }
.sidebar-footer { border-top: 1px solid var(--line); padding: 15px 4px 0; }
.sidebar-footer button { color: var(--muted); border-color: var(--line); border-radius: 4px; }
.sidebar-footer button:hover { color: var(--danger); border-color: var(--danger); }
.topbar { min-height: 68px; padding: 10px 28px; }
.topbar-kicker { display: block; color: var(--muted); font-size: 11px; margin-bottom: 3px; }
.topbar h1 { font-size: 17px; font-weight: 700; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.topbar-right small { color: var(--muted); }
.content { max-width: 1480px; padding: 24px 28px 48px; }
.section, .metric, .stat { border-radius: 4px; box-shadow: none; }
.section-head { min-height: 52px; }
.section-head h3 { font-size: 14px; }
.toolbar { margin-bottom: 15px; }
.toolbar h2 { font-size: 16px; }
th { letter-spacing: 0; background: #f9fbfa; font-size: 11px; }
td { font-size: 13px; }
th, td { padding: 11px 14px; }
.badge { border-radius: 3px; }
.primary, .secondary { border-radius: 4px; }
.system-pill { display: inline-flex; align-items: center; gap: 6px; padding: 6px 9px; border-radius: 3px; font-size: 11px; font-weight: 700; white-space: nowrap; }
.system-pill.good { background: #e7f5ec; color: #246c45; }
.system-pill.bad { background: #fdecec; color: #a13f43; }
.system-pill.unknown { background: #eef1f2; color: #65747b; }
.status-dot { width: 7px; height: 7px; flex: none; border-radius: 50%; background: currentColor; }
.page-intro { display: flex; align-items: flex-end; justify-content: space-between; gap: 14px; margin-bottom: 18px; }
.page-intro h2 { margin: 0 0 4px; font-size: 18px; }
.page-intro p { margin: 0; color: var(--muted); font-size: 12px; }
.system-summary { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(280px, 1fr); gap: 16px; align-items: start; }
.system-primary, .system-secondary { background: #fff; border: 1px solid var(--line); border-radius: 4px; }
.system-primary { padding: 20px; }
.system-primary-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.system-primary-head h3 { margin: 4px 0 0; font-size: 19px; }
.system-primary-body { display: grid; grid-template-columns: 125px minmax(0, 1fr); gap: 14px; margin: 25px 0 20px; }
.system-big strong { display: block; font-size: 38px; line-height: 1; }
.system-big span { display: block; margin-top: 8px; color: var(--muted); font-size: 12px; }
.system-details { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 18px; }
.system-details > div span { display: block; color: var(--muted); font-size: 11px; }
.system-details > div strong { display: block; margin-top: 4px; font-size: 12px; overflow-wrap: anywhere; }
.system-capacity { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 12px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 12px; }
.system-capacity span { color: var(--muted); }
.system-capacity .meter { flex-basis: 100%; margin: 0; }
.component-list { padding: 0 16px; }
.component-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.component-row:last-child { border-bottom: 0; }
.component-row strong { display: block; font-size: 13px; }
.component-row span:not(.system-pill):not(.status-dot) { display: block; color: var(--muted); font-size: 11px; margin-top: 3px; }
.empty-state { padding: 36px; border: 1px solid var(--line); background: #fff; }
.empty-state h2 { font-size: 18px; margin: 0 0 8px; }
.empty-state p { color: var(--muted); }
.link-button { color: var(--accent); border: 0; background: transparent; padding: 4px 6px; font-weight: 700; }
.integration-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.profile-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; align-items: start; }
.detail-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 22px; padding: 4px 18px 13px; }
.detail-list > div { min-width: 0; padding: 13px 0; border-bottom: 1px solid var(--line); }
.detail-list span { display: block; color: var(--muted); font-size: 11px; margin-bottom: 5px; }
.detail-list strong { display: block; overflow-wrap: anywhere; font-size: 13px; }
.detail-list code, .notice code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
@media (max-width: 900px) { .system-summary { grid-template-columns: 1fr; } }
@media (max-width: 850px) { .shell { grid-template-columns: minmax(0, 1fr); } .sidebar { min-width: 0; padding: 12px; } .nav { display: flex; min-width: 0; width: 100%; overflow-x: auto; } .nav-group { display: none; } .nav button { width: auto; flex: none; } .sidebar-footer { margin-top: 10px; } .content { padding: 18px; } }
@media (max-width: 580px) { .topbar { padding: 10px 16px; } .topbar-right { gap: 7px; } .topbar .system-pill { display: none; } .system-primary-body { grid-template-columns: 1fr; } .page-intro { align-items: flex-start; flex-wrap: wrap; } .integration-grid, .detail-list { grid-template-columns: 1fr; } }
@media (max-width: 850px) { .profile-grid { grid-template-columns: 1fr; } }

.p1-operations { margin-top: 18px; padding: 20px; border: 1px solid #cfdadd; border-radius: 6px; background: linear-gradient(135deg, #f7fbfb 0%, #ffffff 55%, #f2f7ff 100%); }
.p1-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 15px; }
.p1-heading h3 { margin: 4px 0 4px; font-size: 16px; }
.p1-heading p { margin: 0; color: var(--muted); font-size: 12px; }
.p1-updated { color: var(--muted); font-size: 11px; white-space: nowrap; }
.p1-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.p1-card { min-height: 142px; display: flex; flex-direction: column; align-items: flex-start; padding: 16px; border: 1px solid #d8e3e3; border-radius: 5px; background: #fff; color: var(--ink); text-align: left; transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease; }
.p1-card:hover { border-color: var(--accent); box-shadow: 0 8px 20px #0b6f6a14; transform: translateY(-1px); }
.p1-card-kicker { color: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: .08em; }
.p1-card strong { margin-top: 13px; font-size: 16px; }
.p1-card small { margin-top: 6px; color: var(--muted); font-size: 11px; }
.p1-arrow { margin-top: auto; padding-top: 13px; color: var(--accent-dark); font-size: 11px; font-weight: 700; }
@media (max-width: 1050px) { .p1-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 580px) { .p1-heading { display: block; } .p1-updated { display: block; margin-top: 8px; } .p1-grid { grid-template-columns: 1fr; } }

/* Commercial console polish: clearer hierarchy, denser scanning, and safer
   primary actions for Chinese operations teams. */
.page-intro { align-items: flex-start; padding: 4px 0 2px; }
.page-intro h2 { font-size: 22px; letter-spacing: 0; }
.page-intro p { max-width: 680px; line-height: 1.6; }
.table-count { color: var(--muted); font-size: 12px; white-space: nowrap; }
.section-head > div h3 { letter-spacing: 0; }
.section-head > div span { line-height: 1.5; }
.table-wrap table tbody tr:hover { background: #f7fbfa; }
.table-wrap code { color: #48616a; background: #f3f6f6; padding: 3px 6px; border-radius: 3px; }
.empty-state-row { padding: 34px 18px; text-align: center; }
.empty-state-row strong, .empty-state-row span { display: block; }
.empty-state-row strong { color: var(--ink); margin-bottom: 6px; }
.empty-state-row span { color: var(--muted); font-size: 12px; }
.danger-badge { background: #fdecec; color: #a13f43; }
.nav button { position: relative; }
.nav button.active::before { content: ""; position: absolute; left: 0; top: 7px; bottom: 7px; width: 3px; border-radius: 2px; background: var(--accent); }
.primary { box-shadow: 0 2px 5px #087d7720; transition: background .15s ease, transform .15s ease, box-shadow .15s ease; }
.primary:hover { transform: translateY(-1px); box-shadow: 0 5px 12px #087d7728; }
.primary:disabled, .secondary:disabled { cursor: wait; opacity: .58; transform: none; }
.metric, .stat { transition: border-color .15s ease, box-shadow .15s ease; }
.metric:hover, .stat:hover { border-color: #b8d2cf; box-shadow: 0 8px 22px #173c3a0b; }
@media (max-width: 850px) { .page-intro { display: block; } .page-intro > button { margin-top: 13px; } .table-count { display: inline-block; margin-top: 5px; } }

.merchant-notice { display: flex; align-items: center; min-height: 44px; margin: 0 0 16px; font-weight: 650; }
.warning-notice { border-left-color: var(--warning); background: #fff8e8; color: #795317; }
.danger-notice { border-left-color: var(--danger); background: #fff1f1; color: #8f3038; }
.merchant-view { background: #f7fbfb; }
.merchant-view .p1-card { min-height: 132px; }
.field-help { color: var(--muted); font-size: 11px; line-height: 1.5; }
.system-settings { margin-top: 18px; }
.view-switch { border: 1px solid var(--line); border-radius: 4px; background: #fff; color: var(--accent-dark); padding: 7px 10px; font-size: 12px; font-weight: 700; }
.view-switch:hover { background: #e8f4f1; }
.view-mode-label { color: var(--muted); font-size: 11px; }
.account-actions { display: flex; gap: 10px; padding: 0 18px 18px; }
.account-legacy { padding: 0 18px 18px; }