/* Design tokens: mist background, white surface, ink text, one teal accent.
   Status colours are reserved for state (good / warn / bad); everything else
   stays neutral so the capacity flow and status badges carry the signal. */
:root {
  --bg: #f3f5f7; --surface: #fff; --ink: #17212b; --muted: #5d6b79; --line: #e0e5eb;
  --accent: #0f766e; --accent-soft: #e6f4f2;
  --good: #15803d; --warn: #b45309; --bad: #b42318;
  --good-bg: #ecf7ef; --warn-bg: #fdf4e7; --bad-bg: #fdeeec; --muted-bg: #eef1f4;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  --display: "PingFang SC", "Hiragino Sans GB", -apple-system, "Segoe UI", system-ui, sans-serif;
  --num: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --radius: 8px; --shadow: 0 1px 2px rgba(23,33,43,.05), 0 1px 1px rgba(23,33,43,.03);
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font: 13.5px/1.55 var(--sans); color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; }
code { font-family: var(--num); font-size: 12px; background: var(--muted-bg); padding: 0 4px; border-radius: 4px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: 6px 10px; z-index: 20; }
.skip:focus { left: 8px; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- connect ---------- */
.connect { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.connect-card { width: min(420px, 100%); background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 28px; box-shadow: var(--shadow); }
.connect-brand { display: flex; align-items: center; gap: 8px; font: 600 15px var(--display); margin-bottom: 20px; flex-wrap: wrap; }
.connect-sub { color: var(--muted); font-weight: 400; font-size: 12.5px; }
.connect h1 { font: 600 18px var(--display); margin: 0 0 14px; }
.connect-notes { margin: 18px 0 0; padding: 14px 0 0 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12.5px; }
.connect-notes li + li { margin-top: 4px; }
.mark { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 6px; background: var(--ink); color: #5eead4; font: 700 13px var(--num); }

/* ---------- shell ---------- */
.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  padding: 0 24px; min-height: 52px; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 8px; font: 600 14px var(--display); }
.brand-sub { color: var(--muted); font-weight: 400; font-size: 12px; }
.tabs { display: flex; gap: 2px; flex: 1; min-width: 0; overflow-x: auto; }
.tabs a { color: var(--muted); text-decoration: none; padding: 15px 10px 13px; border-bottom: 2px solid transparent; white-space: nowrap; }
.tabs a:hover { color: var(--ink); }
.tabs a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }
.top-tools { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.conn { font-size: 12.5px; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; }
.conn::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #c2cad3; }
.conn.ok::before { background: var(--good); } .conn.err { color: var(--bad); } .conn.err::before { background: var(--bad); }
.autorefresh { margin: 0; font-size: 12.5px; color: var(--muted); }
main { max-width: 1360px; margin: 0 auto; padding: 22px 24px 48px; outline: none; }

/* ---------- typography ---------- */
h1 { font: 600 19px/1.3 var(--display); margin: 0; }
h2 { font: 600 14.5px/1.4 var(--display); margin: 0; }
h3 { font: 600 13px/1.4 var(--display); margin: 0 0 8px; color: var(--muted); }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.page-head p { margin: 4px 0 0; color: var(--muted); font-size: 12.5px; max-width: 760px; }
.sub { color: var(--muted); font-size: 12.5px; margin: 0; }
.num, td.num { font-family: var(--num); font-size: 12.5px; font-variant-numeric: tabular-nums; }
.mono { font-family: var(--num); font-size: 12px; color: var(--muted); word-break: break-all; }
.error { color: var(--bad); }
.muted { color: var(--muted); }

/* ---------- sections ---------- */
.section { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 16px; min-width: 0; }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.section-head .sub { margin-left: auto; }
.section-body { padding: 14px 16px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid > .section { margin-bottom: 0; }
.stack > * + * { margin-top: 16px; }

/* ---------- stats ---------- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 0; }
.stat { padding: 12px 16px; border-right: 1px solid var(--line); min-width: 0; }
.stat:last-child { border-right: 0; }
.stat .k { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.stat .v { font: 600 20px/1.3 var(--num); font-variant-numeric: tabular-nums; margin-top: 2px; }
.stat .v.text { font: 600 14px/1.5 var(--sans); }
.stat .d { font-size: 12px; color: var(--muted); margin-top: 2px; }
.stat.good .v { color: var(--good); } .stat.warn .v { color: var(--warn); } .stat.bad .v { color: var(--bad); }

/* ---------- flow (signature): downstreams → unified entry → account pool ---------- */
.flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: stretch; gap: 0; }
.flow-col { padding: 14px 16px; min-width: 0; }
.flow-col h3 { display: flex; justify-content: space-between; gap: 8px; }
.flow-arrow { display: grid; place-items: center; color: #9aa6b2; padding: 0 2px; font: 16px var(--num); }
.flow-item { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2px 10px; align-items: center; padding: 6px 0; border-top: 1px dashed var(--line); }
.flow-item:first-of-type { border-top: 0; }
.flow-item .name { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.flow-item .cap { grid-column: 1 / -1; }
.flow-entry { text-align: center; display: flex; flex-direction: column; justify-content: center; gap: 6px; background: var(--accent-soft); border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.flow-entry .big { font: 600 24px var(--num); font-variant-numeric: tabular-nums; color: var(--accent); }

/* ---------- capacity bar ---------- */
.cap { display: flex; align-items: center; gap: 8px; min-width: 120px; }
.cap .bar { flex: 1; height: 6px; background: #e8edf1; border-radius: 3px; overflow: hidden; }
.cap .fill { height: 100%; background: var(--accent); border-radius: 3px; }
.cap .fill.hot { background: var(--warn); }
.cap .fill.full { background: var(--bad); }
.cap .n { font: 12px var(--num); color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; min-width: 44px; text-align: right; }

/* ---------- badges ---------- */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 1px 8px; border-radius: 999px; font-size: 12px; line-height: 18px; white-space: nowrap; background: var(--muted-bg); color: var(--muted); }
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.good { background: var(--good-bg); color: var(--good); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.bad { background: var(--bad-bg); color: var(--bad); }
.tag { display: inline-block; font-size: 11px; line-height: 16px; padding: 0 5px; border-radius: 4px; border: 1px solid var(--line); color: var(--muted); white-space: nowrap; vertical-align: 1px; }
.tag.est { border-color: #f1d3a6; color: var(--warn); background: var(--warn-bg); }
.tag.meas { border-color: #b9e0c5; color: var(--good); background: var(--good-bg); }

/* ---------- distribution bar (real counts only) ---------- */
.dist { display: flex; height: 10px; border-radius: 5px; overflow: hidden; background: #e8edf1; margin: 4px 0 10px; }
.dist span { height: 100%; }
.dist .good { background: var(--good); } .dist .warn { background: #d97706; } .dist .bad { background: var(--bad); } .dist .muted { background: #9aa6b2; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; margin: 0; padding: 0; list-style: none; font-size: 12.5px; }
.legend .num { color: var(--ink); }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; font-weight: 500; color: var(--muted); background: #f8fafb; white-space: nowrap; position: sticky; top: 0; }
tbody tr:last-child td { border-bottom: 0; }
td.r, th.r { text-align: right; }
td.nowrap { white-space: nowrap; }
tr.clickable { cursor: pointer; }
tr.clickable:hover { background: #f5f8fa; }
tr.clickable:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; background: #f5f8fa; }
.req-table { min-width: 1080px; table-layout: fixed; }
.req-table td { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.stack-keys { display: flex; flex-direction: column; gap: 4px; }
.acc-table { min-width: 980px; }
.ds-table { min-width: 960px; }
.cell-title { font-weight: 500; }
.cell-note { font-size: 12px; color: var(--muted); margin-top: 2px; }
.cell-note.error { color: var(--bad); }
.chips { display: flex; flex-wrap: wrap; gap: 4px; }
.chip { font: 12px var(--num); background: var(--muted-bg); border-radius: 4px; padding: 0 6px; color: var(--ink); }
.chip.all { background: var(--accent-soft); color: var(--accent); font-family: var(--sans); }

/* ---------- buttons & inputs ---------- */
.btn { font: inherit; font-size: 13px; border: 1px solid #d3dae1; background: var(--surface); color: var(--ink); padding: 5px 12px; border-radius: 6px; cursor: pointer; white-space: nowrap; }
.btn:hover { background: #f6f8fa; border-color: #c3ccd5; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: #0b5f59; }
.btn.danger { color: var(--bad); border-color: #efc7c2; }
.btn.danger:hover { background: var(--bad-bg); }
.btn.ghost { border-color: transparent; background: transparent; color: var(--muted); }
.btn.ghost:hover { color: var(--ink); background: var(--muted-bg); }
.btn.small { padding: 2px 8px; font-size: 12.5px; }
.btn.block { width: 100%; padding: 8px 12px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.actions .sep { width: 1px; align-self: stretch; background: var(--line); margin: 0 2px; }
input, select, textarea { font: inherit; font-size: 13px; color: var(--ink); border: 1px solid #d3dae1; border-radius: 6px; padding: 5px 8px; background: #fff; min-width: 0; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
input[type="checkbox"] { accent-color: var(--accent); }
textarea { font-family: var(--num); font-size: 12.5px; resize: vertical; }
label.field { display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; color: var(--muted); margin: 0 0 12px; min-width: 0; }
label.field > input, label.field > select, label.field > textarea { color: var(--ink); }
label.field small { color: var(--muted); font-size: 12px; }
label.check { display: inline-flex; gap: 6px; align-items: center; margin: 0; font-size: 13px; }
fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 14px 4px; margin: 0 0 12px; min-width: 0; }
legend { font-size: 12.5px; color: var(--muted); padding: 0 4px; }
.checklist { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 4px 12px; margin-bottom: 10px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }

/* ---------- filters ---------- */
.filters { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 0 12px; align-items: end; padding: 14px 16px 2px; }
.filters .quick { grid-column: 1 / -1; display: flex; gap: 6px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; font-size: 12.5px; color: var(--muted); }
.filters .buttons { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.pager { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 10px 16px; border-top: 1px solid var(--line); flex-wrap: wrap; }

/* ---------- usage summary ---------- */
.usage { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.usage .stat { border-bottom: 1px solid var(--line); }
.usage-src { font-size: 12.5px; }
.usage-src td, .usage-src th { padding: 6px 12px; }
.caveat { font-size: 12px; color: var(--muted); padding: 10px 16px; border-top: 1px solid var(--line); margin: 0; }

/* ---------- notices / states ---------- */
.notice { display: flex; gap: 10px; align-items: flex-start; border: 1px solid #f0d9b5; background: var(--warn-bg); color: #7a3e06; border-radius: var(--radius); padding: 10px 14px; margin: 0 0 16px; font-size: 13px; }
.notice.bad { border-color: #f2c4bf; background: var(--bad-bg); color: #8a1c13; }
.notice.info { border-color: #c4e3df; background: var(--accent-soft); color: #134e4a; }
.notice .actions { margin-left: auto; }
.state { padding: 28px 16px; color: var(--muted); text-align: center; }
.empty { padding: 22px 16px; text-align: center; color: var(--muted); font-size: 13px; }
.empty strong { display: block; color: var(--ink); font-weight: 500; margin-bottom: 4px; }
.empty .btn { margin-top: 10px; }
.secret { font-family: var(--num); font-size: 13px; word-break: break-all; background: #f8fafb; border: 1px dashed #c3ccd5; padding: 12px; border-radius: 6px; user-select: all; }

/* ---------- key/value ---------- */
dl.kv { display: grid; grid-template-columns: minmax(96px, max-content) 1fr; gap: 6px 16px; margin: 0; }
dl.kv dt { color: var(--muted); font-size: 12.5px; }
dl.kv dd { margin: 0; font-size: 13px; word-break: break-word; min-width: 0; }
dl.kv dd.num { font-size: 12.5px; }

/* ---------- dialogs ---------- */
dialog { border: 1px solid var(--line); border-radius: 12px; padding: 0; width: min(580px, calc(100vw - 24px)); max-height: calc(100vh - 48px); color: var(--ink); box-shadow: 0 16px 48px rgba(23,33,43,.18); }
dialog::backdrop { background: rgba(23,33,43,.32); }
dialog form { padding: 20px 22px; }
dialog h2 { margin: 0 0 14px; font-size: 16px; }
.dlg-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); }
.drawer { margin: 0 0 0 auto; height: 100vh; max-height: 100vh; width: min(560px, 100vw); max-width: 100vw; border-radius: 0; border-width: 0 0 0 1px; display: none; flex-direction: column; }
.drawer[open] { display: flex; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; border-bottom: 1px solid var(--line); }
.drawer-head h2 { margin: 0; }
.drawer-body { padding: 16px 20px 28px; overflow-y: auto; flex: 1; }
.drawer-body h3 { margin: 18px 0 8px; }
.drawer-body h3:first-child { margin-top: 0; }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .flow { grid-template-columns: 1fr; }
  .flow-arrow { transform: rotate(90deg); padding: 2px 0; }
  .flow-entry { border: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
}
@media (max-width: 720px) {
  .top { padding: 6px 12px; gap: 6px 12px; }
  .tabs { order: 3; flex-basis: 100%; }
  .tabs a { padding: 8px 8px 7px; }
  .top-tools { margin-left: auto; gap: 6px; }
  label.autorefresh { display: none; }
  main { padding: 16px 12px 40px; }
  .grid { grid-template-columns: 1fr; }
  .grid2 { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--line); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats .stat:nth-child(odd) { border-right: 1px solid var(--line); }
  dl.kv { grid-template-columns: 1fr; gap: 0 0; }
  dl.kv dd { margin-bottom: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}