:root {
  --bg: #f7f8f4;
  --surface: #ffffff;
  --surface-alt: #eef3ee;
  --ink: #17201d;
  --muted: #5f6d67;
  --rule: #d8ded8;
  --teal: #147d7f;
  --green: #2d6a4f;
  --coral: #b85c38;
  --code-bg: #101614;
  --code-ink: #e8f1ed;
  --error: #9f3029;
  --shadow: 0 18px 55px rgba(23, 32, 29, 0.09);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

button,
textarea {
  font: inherit;
}

code,
pre,
textarea {
  font-family:
    "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.runner-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(216, 222, 216, 0.92);
  background: rgba(247, 248, 244, 0.94);
  backdrop-filter: blur(14px);
}

.runner-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1380px, calc(100% - 36px));
  margin: 0 auto;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 750;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  letter-spacing: 0;
}

.runner-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
  color: var(--muted);
  font-size: 14px;
}

.runner-links a {
  text-decoration: none;
}

.runner-links a:hover {
  color: var(--ink);
}

.runner-shell {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  gap: 24px;
  width: min(1380px, calc(100% - 36px));
  margin: 0 auto;
  padding: 26px 0 48px;
}

.notebook-sidebar {
  position: sticky;
  top: 82px;
  align-self: start;
  max-height: calc(100vh - 106px);
  max-height: calc(100dvh - 106px);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 20px;
}

.eyebrow {
  margin: 0 0 9px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: 0;
  line-height: 1.1;
}

h1 {
  font-size: 30px;
}

h2 {
  font-size: clamp(25px, 3vw, 38px);
}

.notebook-sidebar p:not(.eyebrow) {
  margin: 12px 0 18px;
  color: var(--muted);
  font-size: 14px;
}

.notebook-menu {
  display: grid;
  gap: 14px;
}

.notebook-menu-group {
  display: grid;
  gap: 8px;
}

.notebook-menu-group h2 {
  margin: 0;
  color: var(--green);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.notebook-menu a {
  display: block;
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.notebook-menu a.active {
  border-color: var(--teal);
  background: var(--surface-alt);
  color: var(--teal);
}

.local-note {
  display: grid;
  gap: 4px;
  margin-top: 18px;
  border-left: 4px solid var(--coral);
  background: var(--surface-alt);
  padding: 12px;
  color: var(--muted);
  font-size: 13px;
}

.local-note strong {
  color: var(--ink);
}

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

.notebook-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 14px;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--surface);
  padding: 18px;
}

.toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 9px;
}

.toolbar-actions button,
.toolbar-actions a {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  border-radius: 8px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
  padding: 8px 12px;
  text-decoration: none;
}

.toolbar-actions button:first-child {
  border-color: var(--teal);
  background: var(--teal);
  color: #fff;
}

.runner-status {
  margin-bottom: 14px;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--surface-alt);
  color: var(--muted);
  padding: 12px 14px;
  font-size: 14px;
}

.runner-status.error {
  border-color: rgba(159, 48, 41, 0.35);
  background: #fff0ee;
  color: var(--error);
}

.runner-status.ready {
  border-color: rgba(45, 106, 79, 0.35);
  background: #edf7f0;
  color: var(--green);
}

.notebook-root {
  display: grid;
  gap: 14px;
}

.cell {
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--surface);
  overflow: hidden;
}

.cell.markdown {
  padding: clamp(22px, 3vw, 34px);
}

.cell.markdown h1,
.cell.markdown h2,
.cell.markdown h3 {
  margin: 0 0 12px;
}

.cell.markdown h1 {
  font-size: clamp(30px, 4vw, 48px);
}

.cell.markdown h2 {
  margin-top: 4px;
  font-size: 25px;
}

.cell.markdown p,
.cell.markdown ul,
.cell.markdown ol {
  max-width: 82ch;
  margin: 10px 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.68;
}

.cell.markdown li {
  margin: 6px 0;
}

.cell.markdown a {
  color: var(--teal);
  font-weight: 700;
}

.cell.markdown .markdown-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 14px 0;
}

.cell.markdown .markdown-table {
  width: 100%;
  border-collapse: collapse;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.45;
}

.cell.markdown .markdown-table th,
.cell.markdown .markdown-table td {
  border-bottom: 1px solid var(--rule);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

.cell.markdown .markdown-table th {
  background: #f4f6f2;
  color: var(--ink);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.cell.markdown .markdown-table td {
  color: var(--muted);
}

.cell.markdown pre {
  overflow-x: auto;
  border-radius: 8px;
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 14px;
}

.code-cell-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--rule);
  background: #f4f7f4;
  padding: 10px 12px;
}

.code-cell-label {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.code-cell-label > span:first-child {
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.code-cell-hint {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.cell.code.code-collapsed .code-cell-header {
  border-bottom: 0;
}

.cell.code.code-collapsed .code-editor-host,
.code-editor-host[hidden] {
  display: none !important;
}

.dirty-badge {
  border: 1px solid rgba(184, 92, 56, 0.38);
  border-radius: 999px;
  background: #fff3ec;
  color: var(--coral);
  font-size: 11px;
  font-weight: 800;
  padding: 3px 7px;
}

.code-cell-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px;
}

.code-cell-actions button {
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--surface);
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
  padding: 6px 9px;
}

.code-cell-actions button:first-child,
.toolbar-actions #toggle-code-button {
  border-color: var(--teal);
  color: var(--teal);
}

.toolbar-actions #toggle-code-button {
  background: var(--surface);
}

.code-editor-host {
  border-bottom: 1px solid var(--rule);
  background: var(--code-bg);
}

.CodeMirror {
  height: auto;
  min-height: 180px;
  font-family:
    "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 13px;
  line-height: 1.55;
}

.CodeMirror-scroll {
  min-height: 180px;
  max-height: 560px;
}

.CodeMirror pre.CodeMirror-line,
.CodeMirror pre.CodeMirror-line-like {
  padding: 0 10px;
}

.CodeMirror-gutters {
  border-right: 1px solid rgba(255, 255, 255, 0.11);
}

.code-editor.fallback {
  display: block;
  width: 100%;
  min-height: 170px;
  resize: vertical;
  border: 0;
  background: var(--code-bg);
  color: var(--code-ink);
  outline: none;
  padding: 16px;
  font-size: 13px;
  line-height: 1.55;
  tab-size: 2;
}

.toolbar-actions button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.cell-output {
  min-height: 46px;
  overflow-x: auto;
  padding: 16px;
}

.cell-output:empty::before {
  content: "No output yet.";
  color: var(--muted);
  font-size: 13px;
}

.inspector {
  overflow-x: auto;
  margin: 0;
  border-radius: 8px;
  background: #f4f6f2;
  color: var(--ink);
  padding: 13px;
  font-size: 13px;
}

.inspector.compact {
  white-space: pre-wrap;
}

.compact-object {
  display: grid;
  gap: 10px;
}

.output-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(150px, 100%), 1fr));
  gap: 10px;
}

.output-metric {
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: #f4f6f2;
  padding: 12px;
  min-width: 0;
}

.output-metric span,
.output-metric small {
  display: block;
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--muted);
  font-size: 12px;
}

.output-metric strong {
  display: block;
  margin-top: 4px;
  min-width: 0;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.2;
}

.output-metric small {
  margin-top: 5px;
}

.output-table-wrap {
  overflow-x: auto;
}

.output-table-title {
  margin: 0 0 4px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.3;
}

.output-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.output-table caption {
  caption-side: top;
  padding: 0 0 8px;
  color: var(--muted);
  text-align: left;
  font-size: 12px;
  line-height: 1.45;
}

.output-table th,
.output-table td {
  border-bottom: 1px solid var(--rule);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

.output-table th {
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
  background: #f4f6f2;
}

.output-caption {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.output-details {
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: #f8faf7;
  padding: 10px;
}

.output-details summary {
  cursor: pointer;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
}

.output-details .inspector {
  margin-top: 10px;
  max-height: 380px;
}

.output-note {
  margin: 0;
  border-left: 4px solid var(--teal);
  background: #edf7f7;
  color: var(--muted);
  padding: 10px 12px;
  font-size: 13px;
}

.output-note.warning {
  border-left-color: var(--coral);
  background: #fff3ec;
}

.download-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.download-link {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--teal);
  border-radius: 8px;
  background: #edf7f7;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  padding: 8px 12px;
  text-decoration: none;
}

.download-link:hover {
  background: var(--teal);
  color: #fff;
}

.workflow-panel {
  display: grid;
  gap: 16px;
}

.notebook-index-panel {
  gap: 18px;
}

.notebook-index-intro {
  display: grid;
  gap: 7px;
  border-left: 4px solid var(--teal);
  background: #edf7f7;
  padding: 16px;
}

.notebook-index-intro h3 {
  margin: 0;
  color: var(--ink);
  font-size: 18px;
}

.notebook-index-intro p {
  max-width: 78ch;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.notebook-path {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.notebook-path li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 5px 10px;
  align-items: center;
  min-width: 0;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: #fbfcfa;
  padding: 12px;
}

.notebook-path strong,
.notebook-path span {
  min-width: 0;
}

.notebook-path strong {
  color: var(--ink);
  font-size: 13px;
}

.notebook-path span {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.notebook-path a {
  color: var(--teal);
  font-size: 12px;
  font-weight: 850;
  text-decoration: none;
}

.notebook-index-controls {
  align-items: start;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 14px 0;
}

.notebook-index-output {
  gap: 14px;
}

.notebook-index-results-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 14px;
}

.notebook-index-results-header strong {
  color: var(--ink);
  font-size: 15px;
}

.notebook-index-results-header span,
.notebook-index-empty {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.notebook-index-empty {
  margin: 0;
  border-left: 4px solid var(--coral);
  background: #fff8f2;
  padding: 12px;
}

.notebook-index-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(285px, 100%), 1fr));
  gap: 12px;
}

.notebook-index-card {
  display: grid;
  align-content: start;
  gap: 11px;
  min-width: 0;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: #fbfcfa;
  padding: 14px;
}

.notebook-index-card-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
}

.notebook-index-topic,
.notebook-index-phase {
  display: inline-flex;
  max-width: 100%;
  min-height: 24px;
  align-items: center;
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 850;
  line-height: 1.2;
}

.notebook-index-topic {
  background: #edf7f7;
  color: var(--teal);
}

.notebook-index-phase {
  background: #eef3ee;
  color: var(--green);
}

.notebook-index-card h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.25;
}

.notebook-index-card h3 a {
  color: var(--ink);
  text-decoration: none;
}

.notebook-index-card h3 a:hover {
  color: var(--teal);
}

.notebook-index-summary,
.notebook-index-detail p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.notebook-index-details {
  display: grid;
  gap: 8px;
}

.notebook-index-detail {
  display: grid;
  gap: 3px;
  border-top: 1px solid var(--rule);
  padding-top: 8px;
}

.notebook-index-detail strong {
  color: var(--ink);
  font-size: 12px;
}

.notebook-index-action {
  justify-self: start;
  margin-top: 2px;
  text-decoration: none;
}

.workflow-step-lab {
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: #fbfcfa;
  padding: 14px;
}

.workflow-step-header {
  display: grid;
  gap: 4px;
}

.workflow-step-header strong {
  color: var(--ink);
  font-size: 15px;
}

.workflow-step-header span {
  color: var(--muted);
  font-size: 13px;
}

.workflow-data-guide {
  display: grid;
  gap: 8px;
  border-left: 4px solid var(--teal);
  background: #edf7f7;
  color: var(--muted);
  padding: 12px 14px;
}

.workflow-data-guide > strong {
  color: var(--ink);
  font-size: 14px;
}

.workflow-data-guide p {
  margin: 0;
  font-size: 13px;
  line-height: 1.45;
}

.workflow-data-guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.workflow-data-guide-grid div {
  display: grid;
  gap: 5px;
}

.workflow-data-guide-grid span {
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.workflow-data-guide code {
  display: block;
  overflow-wrap: anywhere;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: #fbfcfa;
  color: var(--ink);
  padding: 8px;
  font-size: 12px;
  line-height: 1.35;
}

.workflow-explanation {
  display: grid;
  gap: 8px;
  border: 1px solid var(--rule);
  border-left: 4px solid var(--teal);
  border-radius: 8px;
  background: #f6fbfa;
  padding: 12px;
}

.workflow-explanation h3 {
  margin: 0;
  color: var(--ink);
  font-size: 14px;
}

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

.workflow-step-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.workflow-step-list li {
  display: grid;
  gap: 5px;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: #fbfcfa;
  padding: 10px;
}

.workflow-step-list strong {
  color: var(--ink);
  font-size: 13px;
}

.workflow-step-list span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.workflow-step-list code {
  width: fit-content;
  max-width: 100%;
  overflow-wrap: anywhere;
  border: 1px solid #cbd8d1;
  border-radius: 6px;
  background: #eef5f2;
  color: #2f6f55;
  padding: 3px 6px;
  font-size: 11px;
  line-height: 1.35;
}

.workflow-source-choice {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 10px;
}

.workflow-source-option {
  display: grid;
  align-content: start;
  gap: 8px;
  min-width: 0;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: #fbfcfa;
  padding: 12px;
}

.workflow-source-option strong {
  color: var(--ink);
  font-size: 13px;
}

.workflow-source-option p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.workflow-source-option .workflow-button {
  justify-self: start;
}

.workflow-step-details {
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--surface);
  padding: 10px 12px;
}

.workflow-step-details summary {
  cursor: pointer;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.workflow-step-details .workflow-control-grid {
  margin-top: 12px;
}

.workflow-control-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.workflow-control-grid.compact {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.workflow-field {
  display: grid;
  gap: 7px;
  min-width: 0;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.workflow-field small {
  color: var(--muted);
  font-weight: 500;
}

.workflow-field input,
.workflow-field select,
.workflow-field textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: #fbfcfa;
  color: var(--ink);
  outline: none;
  padding: 9px 10px;
  font: inherit;
  font-weight: 500;
}

.workflow-field textarea {
  min-height: 160px;
  resize: vertical;
  font-family:
    "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 12px;
  line-height: 1.45;
}

.workflow-button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.workflow-button {
  display: inline-flex;
  min-height: 38px;
  max-width: 100%;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
  padding: 8px 12px;
  text-align: center;
  white-space: normal;
}

.workflow-button.primary {
  border-color: var(--teal);
  background: var(--teal);
  color: #fff;
}

.workflow-button.primary.success {
  border-color: var(--green);
  background: var(--green);
}

.workflow-button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.workflow-status-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 10px;
  border: 1px solid var(--rule);
  border-left: 4px solid var(--teal);
  border-radius: 8px;
  background: #fbfcfa;
  padding: 11px 12px;
}

.workflow-status-card strong,
.workflow-status-card span,
.workflow-status-card small {
  display: block;
  min-width: 0;
  overflow-wrap: anywhere;
}

.workflow-status-card strong {
  color: var(--ink);
  font-size: 13px;
  line-height: 1.25;
}

.workflow-status-card span,
.workflow-status-card small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.workflow-status-card small {
  margin-top: 3px;
}

.workflow-status-dot {
  width: 10px;
  height: 10px;
  margin-top: 4px;
  border-radius: 999px;
  background: var(--teal);
}

.workflow-status-card.running {
  border-left-color: var(--teal);
  background: #edf7f7;
}

.workflow-status-card.running .workflow-status-dot {
  animation: workflow-status-pulse 0.9s ease-in-out infinite;
}

.workflow-status-card.success {
  border-left-color: var(--green);
  background: #edf6f1;
}

.workflow-status-card.success .workflow-status-dot {
  background: var(--green);
}

.workflow-status-card.warning {
  border-left-color: var(--coral);
  background: #fff8f2;
}

.workflow-status-card.warning .workflow-status-dot,
.workflow-status-card.error .workflow-status-dot {
  background: var(--coral);
}

.workflow-status-card.error {
  border-left-color: var(--error);
  background: #fff3f2;
}

.workflow-updated {
  animation: workflow-updated-flash 1.35s ease-out;
}

@keyframes workflow-status-pulse {
  0%,
  100% {
    opacity: 0.35;
    transform: scale(0.9);
  }

  50% {
    opacity: 1;
    transform: scale(1.08);
  }
}

@keyframes workflow-updated-flash {
  0% {
    box-shadow: 0 0 0 0 rgba(20, 125, 127, 0.32);
  }

  100% {
    box-shadow: 0 0 0 12px rgba(20, 125, 127, 0);
  }
}

.workflow-output-stack,
.workflow-plot-grid {
  display: grid;
  gap: 12px;
}

.workflow-placeholder {
  border: 1px dashed var(--rule);
  border-radius: 8px;
  background: #fbfcfa;
  color: var(--muted);
  padding: 14px;
  font-size: 13px;
}

.workflow-plot-section {
  display: grid;
  gap: 9px;
  min-width: 0;
}

.workflow-plot-section h3 {
  color: var(--ink);
  font-size: 16px;
}

.workflow-plot-explanation {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.workflow-plot-controls {
  display: grid;
  grid-template-columns: minmax(220px, 340px);
  gap: 8px;
}

.workflow-plot-sample-status {
  margin: -2px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.workflow-plot-host {
  min-height: 280px;
  overflow-x: auto;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: #fbfcfa;
  padding: 10px;
}

.output-error {
  margin: 0;
  white-space: pre-wrap;
  color: var(--error);
}

@media (max-width: 900px) {
  .runner-shell {
    grid-template-columns: 1fr;
  }

  .notebook-sidebar {
    max-height: none;
    overflow: visible;
    position: static;
  }
}

@media (max-width: 640px) {
  .runner-nav,
  .notebook-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .runner-links,
  .toolbar-actions {
    justify-content: flex-start;
  }
}