:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-muted: #f8fafb;
  --text: #17202a;
  --text-soft: #66717d;
  --line: #dfe4e8;
  --line-strong: #c9d0d6;
  --blue: #246bce;
  --blue-soft: #eaf2ff;
  --green: #17834f;
  --green-soft: #e8f6ee;
  --amber: #a86600;
  --amber-soft: #fff4d9;
  --red: #c63d3d;
  --red-soft: #fdecec;
  --purple: #6f52a1;
  --shadow: 0 1px 2px rgba(20, 31, 43, 0.06), 0 8px 22px rgba(20, 31, 43, 0.05);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); min-width: 320px; }
button, input, select { font: inherit; }
button { letter-spacing: 0; }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: 224px minmax(0, 1fr); }

.sidebar {
  position: sticky; top: 0; height: 100vh; padding: 18px 14px;
  background: #202a34; color: #f5f7f9; display: flex; flex-direction: column;
  border-right: 1px solid #15202a;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 2px 8px 20px; border-bottom: 1px solid #36414b; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; background: #f0b429; color: #17202a; border-radius: 6px; }
.brand-mark svg { width: 20px; height: 20px; }
.brand strong, .brand span { display: block; }
.brand strong { font-size: 14px; }
.brand span { color: #aeb7c0; font-size: 11px; margin-top: 3px; }
.main-nav { display: grid; gap: 4px; margin-top: 18px; }
.nav-item { border: 0; background: transparent; color: #b9c2ca; display: flex; align-items: center; gap: 11px; padding: 10px 11px; border-radius: 5px; cursor: pointer; text-align: left; }
.nav-item svg { width: 17px; height: 17px; }
.nav-item:hover { background: #2b3742; color: #fff; }
.nav-item.active { background: #edf4ff; color: #1e5ba9; font-weight: 650; }
.sidebar-footer { margin-top: auto; padding: 14px 8px 2px; border-top: 1px solid #36414b; display: flex; align-items: flex-start; gap: 9px; }
.sidebar-footer strong, .sidebar-footer span { display: block; }
.sidebar-footer strong { font-size: 12px; color: #f2f5f7; }
.sidebar-footer span:not(.live-dot) { font-size: 10px; color: #9fa9b2; margin-top: 4px; line-height: 1.4; }
.live-dot { flex: 0 0 auto; width: 8px; height: 8px; border-radius: 50%; background: #33c77b; margin-top: 4px; box-shadow: 0 0 0 3px rgba(51, 199, 123, .15); }

.main-content { min-width: 0; padding: 0 30px 44px; }
.topbar { height: 78px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.topbar h1 { font-size: 22px; line-height: 1.2; margin: 2px 0 0; letter-spacing: 0; }
.eyebrow { margin: 0; color: var(--text-soft); font-size: 11px; text-transform: uppercase; font-weight: 700; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.refresh-state { color: var(--text-soft); font-size: 12px; }
.icon-button { width: 34px; height: 34px; border: 1px solid var(--line-strong); background: var(--surface); border-radius: 5px; display: grid; place-items: center; cursor: pointer; color: #3d4853; }
.icon-button:hover { border-color: var(--blue); color: var(--blue); }
.icon-button:disabled { opacity: .55; cursor: wait; }
.icon-button svg { width: 17px; height: 17px; }
.icon-button.spinning svg { animation: spin 1s linear infinite; }

.loading-state { display: none; min-height: 220px; align-items: center; justify-content: center; gap: 10px; color: var(--text-soft); }
.loading-state.visible { display: flex; }
.spinner { width: 18px; height: 18px; border: 2px solid #d9e2ea; border-top-color: var(--blue); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.view { display: none; padding-top: 24px; }
.view.active { display: block; }
.metric-strip { min-height: 94px; background: var(--surface); border: 1px solid var(--line); border-radius: 7px; display: grid; grid-template-columns: repeat(5, 1fr); box-shadow: var(--shadow); }
.metric-strip.compact { grid-template-columns: repeat(4, 1fr); margin-bottom: 22px; }
.metric { padding: 18px 20px; min-width: 0; position: relative; }
.metric + .metric { border-left: 1px solid var(--line); }
.metric-label { display: flex; align-items: center; gap: 7px; color: var(--text-soft); font-size: 12px; white-space: nowrap; }
.metric-label svg { width: 15px; height: 15px; }
.metric-value { display: block; margin-top: 8px; font-size: 24px; line-height: 1; font-weight: 720; letter-spacing: 0; }
.metric-note { color: var(--text-soft); font-size: 10px; margin-left: 5px; font-weight: 500; }

.section-heading { margin: 26px 0 12px; display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; }
.section-heading h2 { margin: 0; font-size: 15px; letter-spacing: 0; }
.section-heading p { margin: 4px 0 0; color: var(--text-soft); font-size: 11px; }
.count-pill { min-width: 24px; height: 22px; display: grid; place-items: center; padding: 0 7px; border-radius: 11px; background: var(--red-soft); color: var(--red); font-size: 11px; font-weight: 700; }

.node-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.node-card { background: var(--surface); border: 1px solid var(--line); border-radius: 7px; padding: 15px; box-shadow: var(--shadow); min-width: 0; }
.node-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.node-title { min-width: 0; }
.node-title strong { display: block; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.node-title span { display: block; color: var(--text-soft); font-size: 10px; margin-top: 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.status-badge { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 5px; padding: 4px 7px; border-radius: 4px; font-size: 10px; font-weight: 700; }
.status-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.status-online { color: var(--green); background: var(--green-soft); }
.status-offline, .status-critical { color: var(--red); background: var(--red-soft); }
.status-setup_required, .status-warning, .status-degraded { color: var(--amber); background: var(--amber-soft); }
.status-unknown, .status-info { color: var(--blue); background: var(--blue-soft); }
.node-stats { display: grid; grid-template-columns: 1fr 1fr; margin-top: 15px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.node-stat { padding: 10px 0; }
.node-stat:nth-child(even) { padding-left: 12px; border-left: 1px solid var(--line); }
.node-stat span { display: block; color: var(--text-soft); font-size: 9px; }
.node-stat strong { display: block; margin-top: 3px; font-size: 12px; }
.node-card-foot { display: flex; justify-content: space-between; align-items: center; gap: 6px; margin-top: 11px; color: var(--text-soft); font-size: 10px; }
.node-card-foot span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.overview-columns { display: grid; grid-template-columns: 1.2fr .8fr; gap: 24px; }
.plain-section { min-width: 0; }
.quota-list, .alert-list { display: grid; gap: 8px; }
.quota-row, .alert-row { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 12px 14px; }
.quota-row-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.quota-row-head strong { font-size: 12px; }
.quota-row-head span { color: var(--text-soft); font-size: 10px; }
.quota-bars { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.quota-bar-label { display: flex; justify-content: space-between; font-size: 9px; color: var(--text-soft); margin-bottom: 4px; }
.bar-track { height: 7px; background: #e8ecef; border-radius: 4px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: inherit; background: var(--green); min-width: 2px; }
.bar-fill.warn { background: #e5a21a; }
.bar-fill.danger { background: var(--red); }
.alert-row { display: flex; gap: 10px; align-items: flex-start; }
.alert-icon { width: 28px; height: 28px; border-radius: 5px; display: grid; place-items: center; flex: 0 0 auto; }
.alert-icon svg { width: 15px; height: 15px; }
.alert-row strong { display: block; font-size: 11px; }
.alert-row p { margin: 3px 0 0; color: var(--text-soft); font-size: 10px; line-height: 1.5; }
.alert-critical .alert-icon { color: var(--red); background: var(--red-soft); }
.alert-warning .alert-icon { color: var(--amber); background: var(--amber-soft); }
.alert-info .alert-icon { color: var(--blue); background: var(--blue-soft); }
.empty-row { color: var(--text-soft); text-align: center; padding: 24px; background: var(--surface); border: 1px dashed var(--line-strong); border-radius: 6px; font-size: 11px; }

.data-table-wrap { background: var(--surface); border: 1px solid var(--line); border-radius: 7px; overflow: auto; box-shadow: var(--shadow); }
.data-table { width: 100%; border-collapse: collapse; min-width: 860px; }
.data-table th { padding: 10px 12px; background: var(--surface-muted); border-bottom: 1px solid var(--line); color: var(--text-soft); font-size: 10px; text-align: left; font-weight: 700; white-space: nowrap; }
.data-table td { padding: 12px; border-bottom: 1px solid var(--line); font-size: 11px; vertical-align: middle; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover { background: #fbfcfd; }
.cell-title { display: block; font-weight: 700; color: var(--text); }
.cell-sub { display: block; color: var(--text-soft); font-size: 9px; margin-top: 4px; line-height: 1.45; }
.resource-inline { min-width: 130px; }
.resource-inline span { display: block; color: var(--text-soft); font-size: 9px; margin-bottom: 4px; }
.tiny-track { width: 100%; height: 5px; background: #e8ecef; border-radius: 3px; overflow: hidden; }
.tiny-fill { height: 100%; background: var(--blue); border-radius: inherit; }
.table-action { width: 30px; height: 30px; border: 1px solid var(--line); background: #fff; color: #46515b; border-radius: 5px; cursor: pointer; display: grid; place-items: center; }
.table-action:hover { color: var(--blue); border-color: var(--blue); }
.table-action svg { width: 15px; height: 15px; }

.quota-detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.quota-card { background: var(--surface); border: 1px solid var(--line); border-radius: 7px; padding: 16px; box-shadow: var(--shadow); }
.quota-card-header { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.quota-card-header strong { font-size: 13px; }
.quota-card-header span { color: var(--text-soft); font-size: 10px; }
.quota-group { margin-top: 15px; }
.quota-group-title { display: flex; justify-content: space-between; margin-bottom: 9px; font-size: 11px; font-weight: 700; }
.quota-group-title span { color: var(--text-soft); font-weight: 500; }
.quota-bucket { margin-top: 9px; }
.quota-bucket-top { display: flex; justify-content: space-between; font-size: 10px; margin-bottom: 5px; }
.quota-bucket-top span:last-child { font-weight: 700; }
.quota-reset { color: var(--text-soft); font-size: 9px; margin-top: 4px; }

.provision-layout { display: grid; grid-template-columns: minmax(280px, 380px) minmax(0, 1fr); gap: 18px; align-items: start; }
.provision-form, .provision-preview { background: var(--surface); border: 1px solid var(--line); border-radius: 7px; padding: 18px; box-shadow: var(--shadow); }
.provision-form { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.provision-form label { display: grid; gap: 5px; min-width: 0; }
.provision-form label:nth-child(3), .provision-form label:nth-child(4) { grid-column: 1 / -1; }
.provision-form label span { color: var(--text-soft); font-size: 10px; font-weight: 650; }
.provision-form input, .provision-form select { width: 100%; height: 34px; border: 1px solid var(--line-strong); border-radius: 5px; padding: 0 9px; background: #fff; color: var(--text); font-size: 11px; outline: none; }
.provision-form input:focus, .provision-form select:focus { border-color: var(--blue); box-shadow: 0 0 0 2px rgba(36, 107, 206, .1); }
.primary-button { grid-column: 1 / -1; min-height: 36px; border: 0; background: var(--blue); color: #fff; border-radius: 5px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; font-size: 11px; font-weight: 700; }
.primary-button:hover { background: #1e5dad; }
.primary-button svg { width: 15px; height: 15px; }
.provision-preview.empty { min-height: 280px; display: grid; place-items: center; align-content: center; gap: 8px; color: var(--text-soft); font-size: 11px; }
.provision-preview.empty svg { width: 28px; height: 28px; }
.preview-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; padding-bottom: 13px; border-bottom: 1px solid var(--line); }
.preview-header strong { font-size: 14px; }
.preview-header span { display: block; color: var(--text-soft); font-size: 10px; margin-top: 4px; }
.preview-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 14px; }
.preview-item { padding: 10px; background: var(--surface-muted); border: 1px solid var(--line); border-radius: 5px; min-width: 0; }
.preview-item span { display: block; color: var(--text-soft); font-size: 9px; }
.preview-item strong { display: block; margin-top: 5px; font-size: 11px; overflow-wrap: anywhere; }
.check-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.check-chip { padding: 5px 7px; border-radius: 4px; background: var(--green-soft); color: var(--green); font-size: 9px; font-weight: 650; }

.section-actions { display: flex; align-items: center; gap: 8px; }
.secondary-button, .primary-inline-button { min-height: 34px; border-radius: 5px; padding: 0 11px; display: inline-flex; align-items: center; justify-content: center; gap: 7px; cursor: pointer; font-size: 10px; font-weight: 700; }
.secondary-button { border: 1px solid var(--line-strong); background: var(--surface); color: #3d4853; }
.secondary-button:hover { border-color: var(--blue); color: var(--blue); }
.primary-inline-button { border: 1px solid var(--blue); background: var(--blue); color: #fff; }
.primary-inline-button:hover { background: #1e5dad; }
.secondary-button:disabled, .primary-inline-button:disabled, .table-action:disabled { opacity: .45; cursor: not-allowed; }
.secondary-button svg, .primary-inline-button svg { width: 14px; height: 14px; }

.credential-notice { min-height: 42px; display: flex; align-items: center; gap: 9px; padding: 10px 12px; border: 1px solid #b9d8c7; border-radius: 6px; background: var(--green-soft); color: #24633f; font-size: 10px; line-height: 1.5; }
.credential-notice svg { width: 17px; height: 17px; flex: 0 0 auto; }
.credential-list { display: grid; gap: 8px; margin-top: 12px; }
.credential-row { min-width: 0; display: grid; grid-template-columns: minmax(135px, .8fr) minmax(130px, .9fr) minmax(230px, 1.45fr) minmax(190px, 1.2fr) 92px 138px; gap: 13px; align-items: center; padding: 13px; background: var(--surface); border: 1px solid var(--line); border-radius: 7px; box-shadow: var(--shadow); }
.credential-node { min-width: 0; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.credential-node strong, .credential-node span { display: block; }
.credential-node strong { font-size: 12px; }
.credential-node div > span { margin-top: 4px; color: var(--text-soft); font-size: 9px; }
.credential-field { min-width: 0; }
.credential-field > span, .credential-capacity > span { display: block; color: var(--text-soft); font-size: 9px; margin-bottom: 5px; }
.credential-field code { display: block; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: #263746; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 9px; }
.token-field code { color: #704d08; }
.credential-capacity { display: grid; grid-template-columns: 1fr 30px; align-items: baseline; column-gap: 4px; }
.credential-capacity > span { margin: 0; }
.credential-capacity strong { font-size: 11px; text-align: right; }
.credential-actions { display: flex; justify-content: flex-end; gap: 5px; }

.api-contract { background: var(--surface); border: 1px solid var(--line); border-radius: 7px; overflow: hidden; box-shadow: var(--shadow); }
.api-contract.empty { min-height: 160px; display: grid; place-items: center; align-content: center; gap: 8px; color: var(--text-soft); font-size: 11px; }
.api-contract.empty svg { width: 25px; height: 25px; }
.api-summary { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 13px 15px; border-bottom: 1px solid var(--line); }
.api-method { min-width: 0; display: flex; align-items: center; gap: 10px; }
.api-method > span { flex: 0 0 auto; padding: 5px 7px; border-radius: 4px; background: var(--green-soft); color: var(--green); font-size: 10px; font-weight: 800; }
.api-method code { overflow-wrap: anywhere; color: #263746; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 11px; }
.model-pair { display: flex; align-items: center; gap: 8px; color: var(--text-soft); font-size: 9px; white-space: nowrap; }
.model-pair > span { min-height: 28px; display: inline-flex; align-items: center; gap: 5px; padding: 0 8px; border: 1px solid var(--line); background: var(--surface-muted); border-radius: 4px; color: #344250; font-weight: 700; }
.model-pair svg { width: 13px; height: 13px; }
.model-pair strong { color: var(--text); font-size: 10px; }
.api-spec-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-bottom: 1px solid var(--line); }
.api-spec-item { min-width: 0; padding: 12px 14px; }
.api-spec-item + .api-spec-item { border-left: 1px solid var(--line); }
.api-spec-item span, .api-spec-item strong { display: block; }
.api-spec-item span { color: var(--text-soft); font-size: 9px; }
.api-spec-item strong { margin-top: 5px; font-size: 10px; line-height: 1.5; overflow-wrap: anywhere; }
.request-template { max-height: 430px; margin: 0; padding: 15px; overflow: auto; background: #202a34; color: #e8edf2; font: 9px/1.6 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre; tab-size: 2; }
.request-template-label { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 15px; border-top: 1px solid var(--line); background: #f7f9fb; }
.request-template-label strong { font-size: 11px; color: var(--text); }
.request-template-label span { font-size: 10px; color: var(--text-soft); text-align: right; }

.control-list { background: var(--surface); border: 1px solid var(--line); border-radius: 7px; box-shadow: var(--shadow); }
.control-row { display: grid; grid-template-columns: 38px minmax(0, 1fr); gap: 10px; padding: 12px 14px; align-items: start; }
.control-row + .control-row { border-top: 1px solid var(--line); }
.control-number { color: var(--blue); font: 700 10px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; }
.control-row strong { display: block; font-size: 11px; }
.control-row p { margin: 3px 0 0; color: var(--text-soft); font-size: 10px; line-height: 1.55; }

.toast { position: fixed; right: 22px; bottom: 22px; min-width: 220px; max-width: 360px; padding: 11px 13px; border-radius: 6px; background: #202a34; color: #fff; font-size: 11px; box-shadow: 0 12px 35px rgba(15, 23, 31, .25); opacity: 0; transform: translateY(10px); pointer-events: none; transition: .2s ease; }
.toast.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1100px) {
  .node-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric-strip { grid-template-columns: repeat(3, 1fr); }
  .metric:nth-child(4) { border-left: 0; border-top: 1px solid var(--line); }
  .metric:nth-child(5) { border-top: 1px solid var(--line); }
  .quota-detail-grid { grid-template-columns: 1fr; }
  .credential-row { grid-template-columns: minmax(150px, .8fr) minmax(220px, 1.2fr) minmax(200px, 1fr); }
  .credential-field.wide { grid-column: 1 / 3; }
  .credential-actions { grid-column: 3; grid-row: 2; }
  .api-summary { align-items: flex-start; flex-direction: column; }
  .api-spec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .api-spec-item:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .api-spec-item:nth-child(4) { border-top: 1px solid var(--line); }
}

@media (max-width: 760px) {
  .app-shell { display: block; }
  .sidebar { position: static; height: auto; padding: 12px; }
  .brand { padding-bottom: 12px; }
  .main-nav { display: flex; overflow-x: auto; margin-top: 10px; padding-bottom: 2px; }
  .nav-item { flex: 0 0 auto; padding: 8px 10px; }
  .sidebar-footer { display: none; }
  .main-content { padding: 0 14px 32px; }
  .topbar { height: 68px; }
  .topbar h1 { font-size: 19px; }
  .refresh-state { display: none; }
  .metric-strip, .metric-strip.compact { grid-template-columns: repeat(2, 1fr); }
  .metric { padding: 15px; border-top: 1px solid var(--line); }
  .metric:nth-child(-n+2) { border-top: 0; }
  .metric:nth-child(odd) { border-left: 0; }
  .metric-value { font-size: 21px; }
  .node-grid, .overview-columns, .provision-layout { grid-template-columns: 1fr; }
  .quota-bars { grid-template-columns: 1fr; }
  .credential-heading { align-items: flex-start; }
  .section-actions { width: 100%; }
  .section-actions > button { flex: 1; }
  .credential-row { grid-template-columns: 1fr; align-items: start; }
  .credential-field.wide, .credential-actions { grid-column: 1; grid-row: auto; }
  .credential-actions { justify-content: flex-start; }
  .api-spec-grid { grid-template-columns: 1fr; }
  .api-spec-item + .api-spec-item { border-left: 0; border-top: 1px solid var(--line); }
  .api-method, .model-pair { align-items: flex-start; flex-wrap: wrap; white-space: normal; }
  .provision-form { grid-template-columns: 1fr; }
  .provision-form label, .provision-form label:nth-child(3), .provision-form label:nth-child(4), .primary-button { grid-column: 1; }
}