:root {
  --night: #0b0d10;
  --panel: #111419;
  --panel-raised: #161a20;
  --panel-inset: #090b0e;
  --ink: #f4f7fb;
  --ink-2: #b7c0cb;
  --ink-3: #7d8793;
  --rule: rgba(244, 247, 251, .11);
  --rule-soft: rgba(244, 247, 251, .065);
  --online: #48de91;
  --data: #67b9ff;
  --cost: #b48aff;
  --watch: #f0bb59;
  --danger: #ff7373;
  --radius: 8px;
  --font: "Noto Sans SC", "Microsoft YaHei UI", "PingFang SC", system-ui, sans-serif;
  --data-font: "SFMono-Regular", "Cascadia Mono", "Roboto Mono", monospace;
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body { margin: 0; min-width: 320px; background: var(--night); color: var(--ink); font-family: var(--font); -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
button:focus-visible, input:focus-visible, a:focus-visible { outline: 2px solid var(--data); outline-offset: 2px; }
[hidden] { display: none !important; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 8px 12px; transform: translateY(-150%); border-radius: 5px; background: var(--ink); color: var(--night); }
.skip-link:focus { transform: none; }
.skip-target { position: fixed; top: 0; left: 0; }

.auth-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.auth-card { width: min(480px, 100%); padding: 28px; border: 1px solid var(--rule); border-radius: var(--radius); background: var(--panel); }
.brand-line { display: flex; align-items: center; gap: 9px; }
.brand-mark { width: 25px; height: 25px; display: grid; place-items: center; border-radius: 6px; background: linear-gradient(135deg, #e5283d 0 48%, #176ad7 48% 100%); color: white; font: 700 16px/1 serif; }
.brand-line strong { font-size: 15px; }
.private-pill, .pro-pill { padding: 2px 6px; border-radius: 4px; background: rgba(180, 138, 255, .12); color: var(--cost); font: 11px/1.4 var(--data-font); }
.auth-card h1 { margin: 36px 0 10px; font-size: 30px; letter-spacing: -.04em; text-wrap: balance; }
.auth-card > p { margin: 0 0 28px; color: var(--ink-2); line-height: 1.7; }
.auth-card label { display: block; margin-bottom: 8px; color: var(--ink-2); font-size: 13px; }
.token-control { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.token-control input { min-width: 0; height: 42px; padding: 0 12px; border: 1px solid var(--rule); border-radius: 6px; background: var(--panel-inset); color: var(--ink); }
.token-control button, .top-actions button { border: 1px solid var(--rule); border-radius: 6px; background: var(--panel-raised); color: var(--ink); cursor: pointer; }
.token-control button { padding: 0 18px; background: var(--ink); color: var(--night); font-weight: 700; }
.form-message { min-height: 20px; margin: 10px 0 0 !important; color: var(--danger) !important; font-size: 13px; }

.topbar { position: sticky; z-index: 10; top: 0; height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 0 22px; border-bottom: 1px solid var(--rule); background: rgba(11, 13, 16, .96); }
.top-actions { display: flex; align-items: center; gap: 8px; }
.top-actions button { min-width: 52px; min-height: 32px; padding: 0 10px; color: var(--ink-2); font-size: 12px; }
.top-actions button:hover { color: var(--ink); border-color: rgba(244, 247, 251, .22); }
.top-actions button:active { transform: translateY(1px); }
.freshness { display: inline-flex; align-items: center; gap: 7px; margin-right: 6px; color: var(--ink-3); font-size: 12px; }
.freshness i, .runline i { width: 7px; height: 7px; border-radius: 50%; background: var(--online); box-shadow: 0 0 0 3px rgba(72, 222, 145, .09); }

main { width: min(1220px, 100%); margin: 0 auto; padding: 24px 22px 40px; }
.business-chain, .traffic-panel, .money-panel, .channel-panel, .app-strip { border: 1px solid var(--rule); border-radius: var(--radius); background: var(--panel); }
.business-chain { padding: 20px 22px 18px; }
.chain-heading, .panel-head, .runline { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.chain-heading h1 { margin: 0; font-size: 19px; letter-spacing: -.025em; text-wrap: balance; }
.chain-heading p { margin: 5px 0 0; color: var(--ink-3); font-size: 12px; }
.time-windows { display: flex; align-items: center; gap: 6px; }
.time-windows span { padding: 5px 8px; border: 1px solid var(--rule-soft); border-radius: 5px; color: var(--ink-3); font-size: 11px; }
.time-windows b { color: var(--ink-2); font-weight: 600; }

.chain-flow { display: grid; grid-template-columns: minmax(130px, 1fr) 24px minmax(150px, 1.1fr) 24px minmax(140px, 1fr) 24px minmax(140px, 1fr); align-items: center; margin-top: 20px; padding: 16px 0; border-top: 1px solid var(--rule-soft); border-bottom: 1px solid var(--rule-soft); }
.chain-node { min-width: 0; padding: 0 12px; }
.chain-node:first-child { padding-left: 0; }
.chain-node:last-child { padding-right: 0; }
.node-index { display: flex; align-items: center; gap: 7px; color: var(--ink-3); font-size: 12px; }
.node-index::before { width: 7px; height: 7px; border-radius: 50%; background: var(--ink-3); content: ""; }
.chain-node[data-state="online"] .node-index::before, .traffic-node .node-index::before { background: var(--online); }
.chain-node[data-state="waiting"] .node-index::before { background: var(--watch); }
.chain-node[data-state="cost"] .node-index::before { background: var(--cost); }
.chain-node strong { display: block; margin-top: 8px; overflow: hidden; color: var(--ink); font: 700 27px/1.15 var(--data-font); letter-spacing: -.035em; text-overflow: ellipsis; white-space: nowrap; }
.traffic-node strong { color: var(--data); }
.chain-node[data-state="online"].cash-node strong { color: var(--online); }
.chain-node[data-state="cost"] strong { color: var(--cost); }
.chain-node small { display: block; margin-top: 6px; overflow: hidden; color: var(--ink-3); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.chain-link { position: relative; height: 1px; background: var(--rule); }
.chain-link::after { position: absolute; top: -3px; right: 0; width: 7px; height: 7px; border-top: 1px solid var(--ink-3); border-right: 1px solid var(--ink-3); transform: rotate(45deg); content: ""; }

.coverage-line { display: grid; grid-template-columns: auto minmax(140px, 1fr) auto; align-items: center; gap: 16px; margin-top: 15px; }
.coverage-copy { display: grid; grid-template-columns: auto auto; align-items: baseline; gap: 2px 8px; }
.coverage-copy span { color: var(--ink-2); font-size: 12px; }
.coverage-copy strong { color: var(--online); font: 650 16px/1 var(--data-font); }
.coverage-copy small { grid-column: 1 / 3; color: var(--ink-3); font-size: 10px; }
.coverage-track { height: 6px; overflow: hidden; border-radius: 2px; background: #282d34; }
.coverage-track i { display: block; width: 0; height: 100%; background: var(--online); transition: width .2s cubic-bezier(.22, 1, .36, 1); }
.runline { justify-content: flex-end; color: var(--ink-3); font-size: 11px; }
.runline > span:first-child { display: flex; align-items: center; gap: 8px; color: var(--ink-2); }

.main-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(320px, .75fr); gap: 14px; margin-top: 14px; }
.traffic-panel, .money-panel, .channel-panel { padding: 18px; }
.panel-head { align-items: flex-start; margin-bottom: 14px; }
.panel-head h2 { margin: 0; font-size: 15px; letter-spacing: -.01em; }
.panel-head p { margin: 4px 0 0; color: var(--ink-3); font-size: 11px; }
.panel-head > span { color: var(--ink-3); font: 11px/1.5 var(--data-font); text-align: right; white-space: nowrap; }

.distribution { min-height: 18px; display: flex; gap: 2px; overflow: hidden; padding: 3px; border: 1px solid var(--rule-soft); border-radius: 4px; background: var(--panel-inset); }
.distribution-segment { min-width: 2px; border-radius: 2px; background: var(--data); }
.distribution-empty { margin: auto; color: var(--ink-3); font-size: 11px; }
.chart-legend { display: flex; justify-content: space-between; gap: 16px; margin: 9px 0 4px; color: var(--ink-3); font-size: 10px; }
.chart-legend span:first-child { display: flex; align-items: center; gap: 6px; }
.chart-legend i { width: 12px; height: 3px; background: var(--data); }
.site-list { border-top: 1px solid var(--rule); }
.site-row { min-height: 66px; display: grid; grid-template-columns: 28px minmax(120px, 160px) minmax(100px, 1fr) 74px; align-items: center; gap: 12px; border-bottom: 1px solid var(--rule-soft); }
.site-row:last-child { border-bottom: 0; }
.site-rank { color: var(--ink-3); font: 11px/1 var(--data-font); }
.site-identity strong, .site-identity small, .site-values strong, .site-values span { display: block; }
.site-identity strong { overflow: hidden; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.site-identity small { margin-top: 4px; overflow: hidden; color: var(--ink-3); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.site-plot { min-width: 0; }
.site-plot > small { display: block; margin-top: 5px; color: var(--ink-3); font-size: 10px; text-align: right; }
.site-meter { height: 8px; overflow: visible; border-radius: 2px; background: rgba(103, 185, 255, .08); }
.site-meter i { position: relative; display: block; height: 100%; border-radius: 2px; background: var(--site-color, var(--data)); transition: width .2s cubic-bezier(.22, 1, .36, 1); }
.site-meter i::after { position: absolute; top: 50%; right: -4px; width: 8px; height: 8px; border: 2px solid var(--panel); border-radius: 50%; background: var(--site-color, var(--data)); transform: translateY(-50%); content: ""; }
.site-values { text-align: right; }
.site-values strong { color: var(--data); font: 650 16px/1 var(--data-font); }
.site-values span { margin-top: 5px; color: var(--ink-3); font: 10px/1 var(--data-font); }

.side-stack { display: grid; gap: 14px; align-content: start; }
.money-list { display: grid; gap: 1px; border-top: 1px solid var(--rule); }
.money-row { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--rule-soft); }
.money-row span, .money-row small { display: block; }
.money-row span { color: var(--ink-2); font-size: 12px; }
.money-row small { margin-top: 4px; color: var(--ink-3); font-size: 10px; }
.money-row strong { font: 650 16px/1 var(--data-font); white-space: nowrap; }
.money-row.income strong { color: var(--online); }
.money-row.cost strong { color: var(--cost); }
.empty-copy { margin: 0; padding: 20px 0; color: var(--ink-3); font-size: 12px; }
.liability-band { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 8px; padding-top: 13px; }
.liability-band span { color: var(--ink-3); font-size: 11px; }
.liability-band strong { color: var(--watch); font: 600 12px/1 var(--data-font); }

.channel-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--rule); }
.channel-row { min-width: 0; display: grid; grid-template-columns: 8px minmax(0, 1fr); align-items: start; gap: 9px; padding: 11px 8px 11px 0; border-bottom: 1px solid var(--rule-soft); }
.channel-row:nth-child(odd) { border-right: 1px solid var(--rule-soft); }
.channel-row:nth-child(even) { padding-left: 10px; }
.channel-row i { width: 7px; height: 7px; margin-top: 4px; border-radius: 50%; background: var(--ink-3); }
.channel-row i.online { background: var(--online); }.channel-row i.waiting { background: var(--watch); }.channel-row i.blocked { background: var(--danger); }
.channel-row span, .channel-row small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.channel-row span { font-size: 11px; }
.channel-row small { margin-top: 3px; color: var(--ink-3); font-size: 9px; }

.app-strip { display: grid; grid-template-columns: minmax(200px, 1.4fr) repeat(4, 1fr); align-items: center; margin-top: 14px; padding: 15px 18px; }
.app-strip > div { min-width: 0; padding: 0 16px; border-right: 1px solid var(--rule-soft); }
.app-strip > div:first-child { padding-left: 0; }
.app-strip > div:last-child { border-right: 0; padding-right: 0; }
.app-strip h2 { margin: 0; font-size: 14px; }
.app-strip p { margin: 4px 0 0; color: var(--ink-3); font-size: 10px; }
.app-strip span { display: block; color: var(--ink-3); font-size: 11px; }
.app-strip strong { display: block; margin-top: 4px; font: 650 17px/1 var(--data-font); }
footer { padding: 18px 2px 0; color: var(--ink-3); font-size: 10px; text-align: center; }

@media (max-width: 900px) {
  .chain-flow { grid-template-columns: minmax(110px, 1fr) 18px minmax(130px, 1.1fr) 18px minmax(120px, 1fr) 18px minmax(120px, 1fr); }
  .chain-node { padding: 0 8px; }
  .chain-node strong { font-size: 23px; }
  .main-grid { grid-template-columns: 1fr; }
  .side-stack { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .freshness { display: none; }
}

@media (max-width: 620px) {
  .topbar { height: 54px; padding: 0 12px; }
  .top-actions button { min-width: 48px; min-height: 36px; font-size: 14px; }
  .top-actions button:first-of-type { display: none; }
  .brand-line { gap: 7px; }
  .brand-line strong { font-size: 14px; }
  .private-pill, .pro-pill { font-size: 12px; }
  main { padding: 12px 10px 28px; }
  .business-chain, .traffic-panel, .money-panel, .channel-panel { padding: 15px; }
  .chain-heading { align-items: flex-start; }
  .chain-heading h1 { font-size: 18px; }
  .chain-heading p, .time-windows span { font-size: 14px; }
  .chain-heading p { max-width: 19ch; line-height: 1.55; }
  .time-windows { display: grid; justify-items: end; }
  .chain-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 14px; padding: 0; }
  .chain-link { display: none; }
  .chain-node { min-height: 105px; padding: 14px 12px; border-bottom: 1px solid var(--rule-soft); }
  .chain-node:nth-of-type(odd) { padding-left: 0; border-right: 1px solid var(--rule-soft); }
  .chain-node:nth-of-type(even) { padding-right: 0; padding-left: 14px; }
  .chain-node:nth-of-type(n+3) { border-bottom: 0; }
  .node-index, .chain-node small { font-size: 14px; }
  .chain-node strong { margin-top: 7px; font-size: 23px; }
  .coverage-line { grid-template-columns: auto 1fr; gap: 12px; }
  .coverage-copy span, .coverage-copy small, .runline { font-size: 14px; }
  .coverage-copy strong { font-size: 17px; }
  .runline { grid-column: 1 / 3; justify-content: space-between; padding-top: 12px; border-top: 1px solid var(--rule-soft); }
  .panel-head h2 { font-size: 16px; }
  .panel-head p, .panel-head > span, .chart-legend { font-size: 14px; }
  .site-row { min-height: 82px; grid-template-columns: 24px minmax(90px, 118px) minmax(70px, 1fr) 54px; gap: 8px; }
  .site-rank, .site-identity strong, .site-identity small, .site-plot > small, .site-values span { font-size: 14px; }
  .site-values strong { font-size: 16px; }
  .site-identity small { display: none; }
  .side-stack { grid-template-columns: 1fr; }
  .money-row span, .money-row small, .empty-copy, .liability-band span, .liability-band strong { font-size: 14px; }
  .money-row strong { font-size: 17px; }
  .channel-row span, .channel-row small { font-size: 14px; }
  .channel-list { grid-template-columns: 1fr; }
  .channel-row:nth-child(odd) { border-right: 0; }
  .channel-row:nth-child(even) { padding-left: 0; }
  .app-strip { grid-template-columns: repeat(4, 1fr); padding: 14px 8px; }
  .app-strip > div { padding: 0 8px; }
  .app-strip > div:first-child { display: none; }
  .app-strip span { font-size: 14px; }
  .app-strip strong { font-size: 16px; }
  footer { font-size: 13px; line-height: 1.6; }
}

@media (max-width: 520px) {
  .brand-mark { width: 24px; height: 24px; }
  .brand-line strong { font-size: 13px; }
  .pro-pill { display: none; }
  .chain-node strong { font-size: 21px; }
  .site-row { grid-template-columns: 22px minmax(82px, 105px) minmax(64px, 1fr) 48px; }
  .site-values span { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}