:root {
  color-scheme: light;
  --bg: #eef2f6;
  --panel: #ffffff;
  --panel-2: #f8fafc;
  --ink: #0c1628;
  --muted: #5b6678;
  --line: #d7e0eb;
  --line-strong: #bac8d8;
  --blue: #245edb;
  --teal: #0f8c82;
  --amber: #b26a00;
  --red: #ba3d3a;
  --green: #22845f;
  --shadow: 0 12px 26px rgba(18, 31, 50, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 1180px;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  letter-spacing: 0;
}

button,
a {
  font: inherit;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid #0c1628;
  outline-offset: 2px;
}

.workflow-topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: minmax(300px, 1fr) auto auto;
  align-items: center;
  gap: 14px;
  min-height: 82px;
  border-bottom: 1px solid var(--line);
  padding: 14px 18px;
  background: rgba(248, 250, 252, 0.96);
  backdrop-filter: blur(12px);
}

.brand-block {
  display: grid;
  gap: 2px;
}

.brand-block span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  font-weight: 900;
  letter-spacing: 0;
}

h1 {
  font-size: 27px;
}

h2 {
  font-size: 24px;
}

.workflow-nav,
.boundary-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.workflow-nav a,
.boundary-strip span,
#refresh-button {
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 11px;
  background: var(--panel);
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-decoration: none;
}

.workflow-nav a,
#refresh-button {
  color: var(--blue);
  cursor: pointer;
}

.boundary-strip span:nth-child(2) {
  color: var(--red);
}

.boundary-strip span:nth-child(3) {
  color: var(--amber);
}

.workflow-shell {
  display: grid;
  grid-template-columns: minmax(720px, 1.35fr) minmax(380px, 0.75fr);
  gap: 12px;
  padding: 12px;
}

.workflow-hero,
.workflow-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.workflow-hero {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(460px, 0.9fr) minmax(480px, 1.1fr);
  gap: 16px;
  padding: 16px;
}

.hero-copy {
  display: grid;
  align-content: center;
}

.hero-copy p {
  max-width: 880px;
  margin: 10px 0 0;
  color: var(--muted);
  font-weight: 800;
  line-height: 1.65;
}

.source-board {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  align-content: stretch;
}

.source-board span {
  display: grid;
  align-content: space-between;
  min-height: 92px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--blue);
  border-radius: 8px;
  padding: 11px;
  background: var(--panel-2);
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.source-board span:nth-child(2) {
  border-left-color: var(--teal);
}

.source-board span:nth-child(3) {
  border-left-color: var(--amber);
}

.source-board span:nth-child(4) {
  border-left-color: var(--green);
}

.source-board span:nth-child(5) {
  border-left-color: var(--red);
}

.source-board b {
  width: fit-content;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 3px 7px;
  background: #fff;
  color: var(--muted);
  font-size: 12px;
}

.workflow-kpis {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.workflow-kpi {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px;
  background: var(--panel-2);
}

.workflow-kpi dt {
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
}

.workflow-kpi dd {
  margin: 4px 0 0;
  color: var(--ink);
  font-size: 22px;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.workflow-kpi span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.workflow-panel {
  padding: 14px;
}

.domain-panel {
  grid-column: 1 / 2;
  grid-row: 2 / 5;
}

.loop-panel,
.surface-panel,
.boundary-panel {
  grid-column: 2 / 3;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.domain-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 9px;
}

.workflow-domain {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--panel-2);
}

.workflow-domain:nth-child(2) .domain-index {
  border-color: var(--teal);
  color: var(--teal);
}

.workflow-domain:nth-child(3) .domain-index {
  border-color: var(--amber);
  color: var(--amber);
}

.workflow-domain:nth-child(4) .domain-index {
  border-color: var(--green);
  color: var(--green);
}

.workflow-domain:nth-child(5) .domain-index {
  border-color: var(--red);
  color: var(--red);
}

.domain-index {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 2px solid var(--blue);
  border-radius: 8px;
  background: #fff;
  color: var(--blue);
  font-size: 18px;
  font-weight: 900;
}

.domain-main {
  min-width: 0;
}

.domain-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
}

.domain-title span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
}

.domain-title strong {
  color: var(--ink);
  font-size: 22px;
  font-weight: 900;
}

.mapping,
.boundary-panel p {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.65;
}

.domain-meta {
  display: grid;
  grid-template-columns: 1.2fr 0.55fr 1.25fr;
  gap: 8px;
  margin-top: 10px;
}

.domain-meta span {
  min-width: 0;
  border-left: 3px solid var(--line-strong);
  padding-left: 8px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.action-list,
.workflow-loop {
  display: grid;
  gap: 7px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.workflow-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 9px;
  background: #fff;
  color: var(--ink);
  font-size: 12px;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.workflow-step small {
  grid-row: span 2;
  min-width: 28px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
}

.workflow-step span {
  color: var(--muted);
  font-weight: 800;
}

.surface-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.surface-list a {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 8px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: var(--panel-2);
  color: var(--ink);
  text-decoration: none;
}

.surface-list span {
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
}

.surface-list b {
  font-size: 13px;
  font-weight: 900;
}

.boundary-panel {
  border-left: 5px solid var(--red);
}

@media (max-width: 900px) {
  body {
    min-width: 0;
  }

  .workflow-topbar,
  .workflow-shell,
  .workflow-hero {
    display: block;
  }

  .workflow-topbar > *,
  .workflow-shell > *,
  .workflow-hero > * {
    margin-bottom: 12px;
  }

  .source-board,
  .workflow-kpis,
  .domain-meta {
    grid-template-columns: 1fr;
  }

  .workflow-domain {
    grid-template-columns: 44px minmax(0, 1fr);
  }

  .domain-index {
    width: 40px;
    height: 40px;
  }

  .domain-title {
    display: grid;
  }

  .surface-list a {
    grid-template-columns: 1fr;
  }
}