:root {
  color-scheme: light;
  --bg: #f6f8fc;
  --surface: #ffffff;
  --surface-soft: #f0f5fb;
  --ink: #111827;
  --muted: #64748b;
  --line: #d8e2f0;
  --line-strong: #aebfd4;
  --primary: #2563eb;
  --primary-soft: #e7efff;
  --green: #0f766e;
  --green-soft: #e1f5f2;
  --amber: #b45309;
  --amber-soft: #fff3d6;
  --rose: #be123c;
  --rose-soft: #ffe4eb;
  --radius: 12px;
  --shadow: 0 18px 58px rgba(28, 45, 76, 0.12);
  font-family: Inter, "Fira Sans", "PingFang SC", "Microsoft YaHei", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  min-height: 100dvh;
  background:
    linear-gradient(90deg, rgba(37, 99, 235, 0.055) 1px, transparent 1px),
    linear-gradient(180deg, rgba(37, 99, 235, 0.045) 1px, transparent 1px),
    linear-gradient(135deg, #f8fbff 0%, #f4f7fb 54%, #fff8ec 100%);
  background-size: 36px 36px, 36px 36px, 100% 100%;
  color: var(--ink);
}

button,
input,
textarea,
select {
  font: inherit;
}

button,
a {
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.24);
  outline-offset: 2px;
}

.workshop-shell {
  width: min(1640px, 100%);
  min-height: 100dvh;
  margin: 0 auto;
  padding: 18px clamp(14px, 3vw, 34px) 28px;
}

.workshop-topbar,
.workshop-intro,
.canvas-card,
.inspector-card {
  border: 1px solid rgba(174, 191, 212, 0.75);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.workshop-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 12px;
}

.workshop-brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-symbol {
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border: 1px solid rgba(37, 99, 235, 0.22);
  border-radius: var(--radius);
  background: linear-gradient(135deg, #fff, #eaf2ff);
  color: var(--primary);
}

.brand-symbol svg {
  width: 34px;
  height: 34px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.workshop-brand strong,
.workshop-brand small {
  display: block;
}

.workshop-brand strong {
  font-size: 21px;
  line-height: 1.1;
  font-weight: 850;
}

.workshop-brand small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.workshop-nav,
.intro-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
}

.workshop-nav a,
.intro-actions button,
.inspector-action,
.artifact-button {
  min-height: 40px;
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: #26364e;
  padding: 0 13px;
  font-weight: 760;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease, transform 180ms ease;
}

.workshop-nav a:hover,
.intro-actions button:hover,
.inspector-action:hover,
.artifact-button:hover {
  border-color: var(--line-strong);
  background: var(--surface-soft);
}

.workshop-intro {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-top: 16px;
  padding: 18px;
}

.workshop-intro p,
.inspector-kicker,
.node-type {
  margin: 0 0 6px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.workshop-intro h1 {
  margin: 0;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.workshop-intro span {
  display: block;
  max-width: 760px;
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.65;
}

.workshop-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 390px);
  gap: 16px;
  margin-top: 16px;
  align-items: stretch;
}

.canvas-card {
  min-width: 0;
  height: calc(100dvh - 190px);
  min-height: 620px;
  overflow: hidden;
}

.workshop-root {
  width: 100%;
  height: 100%;
}

.inspector-card {
  min-width: 0;
  height: calc(100dvh - 190px);
  min-height: 620px;
  overflow: auto;
  padding: 18px;
}

.react-flow {
  background: transparent;
}

.react-flow__attribution {
  background: rgba(255, 255, 255, 0.72);
}

.react-flow__controls,
.react-flow__minimap {
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: none;
}

.workshop-node {
  width: 260px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  box-shadow: 0 14px 38px rgba(28, 45, 76, 0.12);
  overflow: hidden;
}

.workshop-node.is-selected {
  border-color: rgba(37, 99, 235, 0.55);
}

.node-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 14px 10px;
  border-bottom: 1px solid rgba(216, 226, 240, 0.75);
}

.node-head h3 {
  margin: 0;
  font-size: 17px;
  line-height: 1.25;
}

.node-type {
  margin-bottom: 5px;
}

.node-status {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 5px 8px;
  font-size: 12px;
  font-weight: 850;
}

.status-idle {
  background: var(--surface-soft);
  color: var(--muted);
}

.status-ready {
  background: var(--primary-soft);
  color: var(--primary);
}

.status-running {
  background: var(--amber-soft);
  color: var(--amber);
}

.status-waiting {
  background: var(--amber-soft);
  color: var(--amber);
}

.status-success {
  background: var(--green-soft);
  color: var(--green);
}

.status-failed {
  background: var(--rose-soft);
  color: var(--rose);
}

.node-body {
  display: grid;
  gap: 10px;
  padding: 12px 14px 14px;
}

.node-body p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.node-metrics {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.node-metrics span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  padding: 5px 8px;
  color: #334155;
  font-size: 12px;
  font-weight: 760;
}

.react-flow__handle {
  width: 10px;
  height: 10px;
  border: 2px solid #fff;
  background: var(--primary);
}

.inspector-empty {
  display: grid;
  place-items: center;
  min-height: 460px;
  text-align: center;
  color: var(--muted);
}

.inspector-empty strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 20px;
}

.inspector-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.inspector-title h2 {
  margin: 0;
  font-size: 24px;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.inspector-section {
  border-top: 1px solid var(--line);
  padding-top: 16px;
  margin-top: 16px;
}

.inspector-section h3 {
  margin: 0 0 10px;
  font-size: 15px;
}

.config-list {
  display: grid;
  gap: 8px;
}

.source-form {
  display: grid;
  gap: 10px;
}

.source-form label {
  display: grid;
  gap: 6px;
}

.source-form span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 820;
}

.source-form input,
.source-form select,
.source-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  padding: 10px 11px;
  line-height: 1.45;
}

.source-form textarea {
  resize: vertical;
}

.config-row {
  display: grid;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(248, 250, 252, 0.8);
  padding: 10px;
}

.config-row span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 780;
}

.config-row strong {
  color: #26364e;
  font-size: 13px;
  line-height: 1.45;
}

.artifact-list {
  display: grid;
  gap: 10px;
}

.artifact-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 12px;
}

.artifact-card.is-selected {
  border-color: rgba(15, 118, 110, 0.48);
  background: linear-gradient(135deg, #fff, var(--green-soft));
}

.artifact-card h4 {
  margin: 0 0 6px;
  font-size: 15px;
}

.artifact-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.artifact-preview {
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(248, 250, 252, 0.82);
  overflow: hidden;
}

.artifact-preview summary {
  padding: 9px 10px;
  color: #26364e;
  font-size: 13px;
  font-weight: 780;
  cursor: pointer;
}

.artifact-preview pre {
  max-height: 260px;
  margin: 0;
  overflow: auto;
  border-top: 1px solid var(--line);
  padding: 10px;
  white-space: pre-wrap;
  color: #1f2a3d;
  font-family: inherit;
  font-size: 13px;
  line-height: 1.55;
}

.artifact-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
}

.artifact-meta code {
  color: var(--primary);
  font-size: 12px;
}

.artifact-button {
  min-height: 34px;
  padding: 0 10px;
  font-size: 12px;
}

.workflow-json {
  width: 100%;
  min-height: 190px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #0f172a;
  color: #dbeafe;
  padding: 12px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  line-height: 1.55;
}

@media (max-width: 1100px) {
  .workshop-intro,
  .workshop-topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .workshop-layout {
    grid-template-columns: 1fr;
  }

  .canvas-card,
  .inspector-card {
    height: auto;
    min-height: 560px;
  }
}

@media (max-width: 700px) {
  .workshop-shell {
    padding-inline: 10px;
  }

  .workshop-node {
    width: 230px;
  }
}