:root {
  --rl-surface: #f7f9fb;
  --rl-surface-lowest: #ffffff;
  --rl-surface-low: #f2f4f6;
  --rl-surface-container: #eceef0;
  --rl-surface-high: #e0e3e5;
  --rl-text: #191c1e;
  --rl-text-muted: #434653;
  --rl-outline: #737784;
  --rl-outline-soft: #c3c6d5;
  --rl-primary: #003c90;
  --rl-primary-soft: #d9e2ff;
  --rl-success: #137333;
  --rl-success-soft: #dcf8e7;
  --rl-warning: #8a4b00;
  --rl-warning-soft: #fff0cc;
  --rl-error: #ba1a1a;
  --rl-error-soft: #ffdad6;
  --rl-info: #0f52ba;
  --rl-info-soft: #d5e3fc;
  --rl-radius: 4px;
  --rl-radius-lg: 8px;
  --rl-space-1: 4px;
  --rl-space-2: 8px;
  --rl-space-3: 12px;
  --rl-space-4: 16px;
  --rl-space-6: 24px;
  --rl-space-8: 32px;
  color-scheme: light;
}

html {
  scroll-behavior: smooth;
}

.rl-design-system {
  min-height: 100vh;
  background: var(--rl-surface);
  color: var(--rl-text);
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

.rl-sidebar {
  border-right: 1px solid var(--rl-outline-soft);
  background: var(--rl-surface-low);
  padding: var(--rl-space-6) var(--rl-space-3);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
}

.rl-brand {
  display: grid;
  gap: var(--rl-space-1);
  margin-bottom: var(--rl-space-8);
  padding: 0 var(--rl-space-2);
}

.rl-brand strong {
  color: var(--rl-primary);
  font-size: 20px;
  line-height: 28px;
}

.rl-brand span,
.rl-field-label,
.rl-validation-title,
.rl-list-head,
.rl-tabs,
.rl-toolbar-actions,
.rl-mobile-summary dt,
.rl-scenario-name {
  font-size: 12px;
  font-weight: 700;
  line-height: 16px;
  text-transform: uppercase;
}

.rl-sidebar nav {
  display: grid;
  gap: var(--rl-space-1);
}

.rl-sidebar a {
  border-radius: var(--rl-radius);
  color: var(--rl-text-muted);
  cursor: pointer;
  padding: 10px 12px;
  text-decoration: none;
}

.rl-sidebar a.active {
  background: var(--rl-primary-soft);
  color: var(--rl-primary);
  font-weight: 700;
}

.rl-gallery {
  min-width: 0;
  display: grid;
  gap: var(--rl-space-6);
  padding: var(--rl-space-6);
}

.rl-gallery-section {
  display: grid;
  gap: var(--rl-space-2);
}

.rl-gallery-section,
.rl-rich-list-shell,
.rl-focus-workspace {
  scroll-margin-top: var(--rl-space-6);
}

.rl-gallery h1,
.rl-toolbar h2 {
  font-size: 24px;
  line-height: 32px;
  margin: 0;
}

.rl-gallery h2,
.rl-focus-header h2 {
  font-size: 20px;
  line-height: 28px;
  margin: 0;
}

.rl-gallery p,
.rl-toolbar p,
.rl-info-panel p,
.rl-validation-subtitle,
.rl-event-item p,
.rl-scenario-header p,
.rl-system-card p,
.rl-choice-item small,
.rl-stage small {
  color: var(--rl-text-muted);
  font-size: 14px;
  line-height: 20px;
  margin: 0;
}

.rl-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--rl-space-4);
}

.rl-toolbar-actions {
  display: flex;
  align-items: center;
  gap: var(--rl-space-2);
  text-transform: none;
}

.rl-filter,
.rl-button {
  min-height: 36px;
  border-radius: var(--rl-radius);
  border: 1px solid var(--rl-outline-soft);
  background: var(--rl-surface-lowest);
  color: var(--rl-text);
  padding: 0 12px;
  font: inherit;
}

.rl-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--rl-space-2);
  font-weight: 700;
}

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

.rl-button-secondary {
  color: var(--rl-primary);
}

.rl-button:focus-visible,
.rl-control:focus-visible,
.rl-filter:focus-visible,
.rl-tab:focus-visible,
.rl-back-button:focus-visible,
.rl-choice-item:focus-visible,
.rl-system-card:focus-visible {
  outline: 2px solid var(--rl-primary);
  outline-offset: 2px;
}

.rl-button-state-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.rl-rich-list-shell,
.rl-focus-workspace,
.rl-submission-form,
.rl-mobile-example,
.rl-validation-summary,
.rl-scenario,
.rl-auth-card {
  background: var(--rl-surface-lowest);
  border: 1px solid var(--rl-outline-soft);
  border-radius: var(--rl-radius-lg);
}

.rl-rich-list-shell {
  display: grid;
  gap: var(--rl-space-4);
  padding: var(--rl-space-4);
}

.rl-rich-list {
  border: 1px solid var(--rl-outline-soft);
  border-radius: var(--rl-radius-lg);
  overflow: hidden;
}

.rl-list-head,
.rl-list-row {
  display: grid;
  grid-template-columns: 110px 1.2fr 1fr 1fr 1fr 140px;
  gap: var(--rl-space-3);
  align-items: center;
}

.rl-list-head {
  background: var(--rl-surface-high);
  color: var(--rl-text-muted);
  padding: var(--rl-space-3) var(--rl-space-4);
}

.rl-list-item {
  border-top: 1px solid var(--rl-outline-soft);
}

.rl-list-row {
  min-height: 64px;
  padding: var(--rl-space-3) var(--rl-space-4);
}

.rl-list-item-expanded {
  background: var(--rl-surface-low);
}

.rl-list-item-error {
  box-shadow: inset 3px 0 0 var(--rl-error);
}

.rl-row-id {
  color: var(--rl-primary);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 700;
  text-decoration: none;
}

.rl-expanded-row {
  border-top: 1px solid var(--rl-outline-soft);
  padding: var(--rl-space-4);
}

.rl-split-pane {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: var(--rl-space-4);
}

.rl-event-stream {
  border-left: 1px solid var(--rl-outline-soft);
  padding-left: var(--rl-space-4);
}

.rl-event-stream-box {
  border: 1px solid var(--rl-outline-soft);
  border-left: 4px solid var(--rl-info);
  border-radius: var(--rl-radius);
  padding: var(--rl-space-4);
}

.rl-event-stream h3,
.rl-field-error-grid h3,
.rl-submission-form h3 {
  margin: 0;
}

.rl-event-item {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: var(--rl-space-2);
  margin-top: var(--rl-space-4);
}

.rl-event-dot {
  width: 14px;
  height: 14px;
  border: 2px solid var(--rl-outline);
  border-radius: 50%;
  margin-top: 2px;
}

.rl-event-success { border-color: var(--rl-success); background: var(--rl-success-soft); }
.rl-event-error { border-color: var(--rl-error); background: var(--rl-error-soft); }
.rl-event-warning { border-color: var(--rl-warning); background: var(--rl-warning-soft); }
.rl-event-info,
.rl-event-active { border-color: var(--rl-info); background: var(--rl-info-soft); }

.rl-badge {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: var(--rl-space-1);
  border-radius: var(--rl-radius);
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 800;
  line-height: 16px;
  text-transform: uppercase;
}

.rl-badge-neutral { background: var(--rl-surface-container); color: var(--rl-text-muted); }
.rl-badge-info { background: var(--rl-info-soft); color: var(--rl-info); }
.rl-badge-active { background: var(--rl-info-soft); color: var(--rl-info); }
.rl-badge-success { background: var(--rl-success-soft); color: var(--rl-success); }
.rl-badge-warning { background: var(--rl-warning-soft); color: var(--rl-warning); }
.rl-badge-error { background: var(--rl-error-soft); color: var(--rl-error); }

.rl-submission-form {
  display: grid;
  gap: var(--rl-space-4);
  padding: var(--rl-space-4);
  border-width: 2px;
}

.rl-form-draft { border-color: var(--rl-outline-soft); }
.rl-form-validating,
.rl-form-submitting,
.rl-form-processing { border-color: var(--rl-info); }
.rl-form-completed,
.rl-form-projected { border-color: var(--rl-success); }
.rl-form-failed,
.rl-form-needsattention { border-color: var(--rl-error); }

.rl-form-header,
.rl-validation-header,
.rl-focus-header,
.rl-field-error-grid header,
.rl-mobile-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: var(--rl-space-4);
}

.rl-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--rl-space-4);
}

.rl-form-grid-four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.rl-field {
  display: grid;
  gap: var(--rl-space-1);
}

.rl-field-label {
  color: var(--rl-text-muted);
}

.rl-field-required,
.rl-field-message {
  color: var(--rl-error);
}

.rl-control {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--rl-outline-soft);
  border-radius: var(--rl-radius);
  background: #fff;
  color: var(--rl-text);
  box-sizing: border-box;
  font: inherit;
  padding: 8px 10px;
}

.rl-textarea {
  min-height: 92px;
  resize: vertical;
}

.rl-field-highlighted .rl-control {
  border-color: var(--rl-primary);
  box-shadow: 0 0 0 4px rgb(0 60 144 / 12%);
}

.rl-field-invalid .rl-control {
  border-color: var(--rl-error);
}

.rl-control-valid {
  border-color: var(--rl-success);
}

.rl-control-warning {
  border-color: var(--rl-warning);
}

.rl-control:disabled,
.rl-control[readonly] {
  background: var(--rl-surface-low);
  color: var(--rl-text-muted);
}

.rl-mono {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

.rl-field-help,
.rl-field-message {
  font-size: 12px;
  line-height: 16px;
}

.rl-info-panel {
  border: 1px solid var(--rl-info-soft);
  border-radius: var(--rl-radius);
  background: color-mix(in srgb, var(--rl-info-soft) 35%, #fff);
  padding: var(--rl-space-4);
}

.rl-form-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--rl-space-2);
}

.rl-validation-summary {
  padding: var(--rl-space-3);
}

.rl-validation-list {
  margin: var(--rl-space-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--rl-space-2);
  list-style: none;
}

.rl-validation-list li {
  display: flex;
  justify-content: space-between;
  gap: var(--rl-space-3);
  border-top: 1px solid var(--rl-outline-soft);
  padding-top: var(--rl-space-2);
}

.rl-validation-error { border-color: var(--rl-error); }
.rl-validation-warning { border-color: var(--rl-warning); }

.rl-focus-workspace {
  overflow: hidden;
}

.rl-focus-header {
  align-items: center;
  border-bottom: 1px solid var(--rl-outline-soft);
  padding: var(--rl-space-4);
}

.rl-back-button,
.rl-link-button {
  border: 0;
  background: transparent;
  color: var(--rl-primary);
  font-weight: 800;
  text-transform: uppercase;
}

.rl-tabs {
  display: flex;
  border-bottom: 1px solid var(--rl-outline-soft);
  background: var(--rl-surface-low);
}

.rl-tab {
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--rl-text-muted);
  padding: 14px 18px;
  font: inherit;
  font-weight: 800;
  text-transform: uppercase;
}

.rl-tab-active {
  border-bottom-color: var(--rl-primary);
  color: var(--rl-primary);
}

.rl-focus-body {
  display: grid;
  gap: var(--rl-space-4);
  padding: var(--rl-space-4);
}

.rl-field-error-grid {
  border: 1px solid var(--rl-outline-soft);
  border-radius: var(--rl-radius);
  overflow: hidden;
}

.rl-field-error-grid header {
  background: var(--rl-surface-high);
  padding: var(--rl-space-3) var(--rl-space-4);
}

.rl-error-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--rl-space-3);
  border-top: 1px solid var(--rl-outline-soft);
  padding: var(--rl-space-3) var(--rl-space-4);
}

.rl-error-card p {
  margin: var(--rl-space-1) 0 0;
  color: var(--rl-text-muted);
}

.rl-error-card code {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

.rl-error-error {
  box-shadow: inset 3px 0 0 var(--rl-error);
}

.rl-error-warning {
  box-shadow: inset 3px 0 0 var(--rl-warning);
}

.rl-state-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--rl-space-4);
}

.rl-scenario-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--rl-space-4);
}

.rl-auth-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.rl-scenario {
  overflow: hidden;
}

.rl-scenario-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: var(--rl-space-4);
  border-bottom: 1px solid var(--rl-outline-soft);
  background: var(--rl-surface-low);
  padding: var(--rl-space-4);
}

.rl-scenario-header h3,
.rl-auth-card h3,
.rl-workflow-copy strong {
  margin: 0;
}

.rl-scenario-name {
  color: var(--rl-primary);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0;
}

.rl-scenario-body {
  display: grid;
  gap: var(--rl-space-4);
  padding: var(--rl-space-4);
}

.rl-stage-tracker {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--rl-space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.rl-stage {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: var(--rl-space-2);
  align-items: start;
  border: 1px solid var(--rl-outline-soft);
  border-radius: var(--rl-radius);
  background: var(--rl-surface-lowest);
  padding: var(--rl-space-3);
}

.rl-stage-index {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--rl-outline-soft);
  font-weight: 800;
}

.rl-stage span:last-child {
  display: grid;
  gap: var(--rl-space-1);
}

.rl-stage-active {
  border-color: var(--rl-primary);
  box-shadow: inset 3px 0 0 var(--rl-primary);
}

.rl-stage-active .rl-stage-index {
  background: var(--rl-primary);
  border-color: var(--rl-primary);
  color: #fff;
}

.rl-stage-complete .rl-stage-index {
  background: var(--rl-success-soft);
  border-color: var(--rl-success);
  color: var(--rl-success);
}

.rl-stage-warning .rl-stage-index {
  background: var(--rl-warning-soft);
  border-color: var(--rl-warning);
  color: var(--rl-warning);
}

.rl-stage-error .rl-stage-index {
  background: var(--rl-error-soft);
  border-color: var(--rl-error);
  color: var(--rl-error);
}

.rl-directed-workflow,
.rl-auth-card,
.rl-assistance-panel {
  display: grid;
  gap: var(--rl-space-4);
}

.rl-workflow-copy {
  display: grid;
  gap: var(--rl-space-1);
}

.rl-action-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--rl-space-2);
}

.rl-choice-list,
.rl-system-grid,
.rl-review-grid,
.rl-lifecycle-strip,
.rl-badge-row {
  display: grid;
  gap: var(--rl-space-3);
}

.rl-choice-item,
.rl-system-card {
  border: 1px solid var(--rl-outline-soft);
  border-radius: var(--rl-radius);
  background: var(--rl-surface-lowest);
  color: var(--rl-text);
  display: grid;
  gap: var(--rl-space-1);
  padding: var(--rl-space-3);
  text-align: left;
}

.rl-choice-item:hover,
.rl-system-card:hover {
  border-color: var(--rl-primary);
}

.rl-review-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.rl-review-grid > div {
  border: 1px solid var(--rl-outline-soft);
  border-radius: var(--rl-radius);
  display: grid;
  gap: var(--rl-space-1);
  padding: var(--rl-space-3);
}

.rl-auth-card {
  margin: 0 auto;
  max-width: 420px;
  padding: var(--rl-space-4);
  width: 100%;
}

.rl-system-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.rl-system-card {
  min-height: 160px;
}

.rl-lifecycle-strip {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.rl-lifecycle-state {
  min-height: 72px;
  border: 1px solid var(--rl-outline-soft);
  border-radius: var(--rl-radius);
  display: grid;
  gap: var(--rl-space-2);
  align-content: start;
  padding: var(--rl-space-3);
}

.rl-lifecycle-submitting,
.rl-lifecycle-validating,
.rl-lifecycle-processing {
  border-color: var(--rl-info);
}

.rl-lifecycle-completed,
.rl-lifecycle-projected {
  border-color: var(--rl-success);
}

.rl-lifecycle-failed,
.rl-lifecycle-needsattention {
  border-color: var(--rl-error);
}

.rl-badge-row {
  grid-template-columns: repeat(3, max-content);
  align-items: center;
}

.rl-mobile-example {
  max-width: 390px;
  overflow: hidden;
}

.rl-mobile-header {
  align-items: center;
  border-bottom: 1px solid var(--rl-outline-soft);
  padding: var(--rl-space-3);
}

.rl-icon-button {
  width: 40px;
  height: 40px;
  border: 0;
  background: transparent;
  font-size: 32px;
}

.rl-mobile-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--rl-outline-soft);
}

.rl-mobile-tabs button {
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  padding: var(--rl-space-3);
  font-weight: 800;
}

.rl-mobile-tabs .active {
  border-bottom-color: var(--rl-primary);
  color: var(--rl-primary);
}

.rl-mobile-body {
  display: grid;
  gap: var(--rl-space-4);
  padding: var(--rl-space-4);
}

.rl-mobile-summary {
  border: 1px solid var(--rl-outline-soft);
  border-radius: var(--rl-radius-lg);
  padding: var(--rl-space-4);
}

.rl-mobile-summary dl {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--rl-space-3);
}

.rl-mobile-summary dd {
  margin: 0;
  font-weight: 800;
}

.rl-mobile-correction {
  border: 1px solid var(--rl-outline-soft);
  border-left: 4px solid var(--rl-error);
  border-radius: var(--rl-radius-lg);
  padding: var(--rl-space-4);
}

.rl-mobile-correction strong {
  color: var(--rl-error);
  text-transform: uppercase;
}

.rl-mobile-submit {
  border-top: 1px solid var(--rl-outline-soft);
  padding: var(--rl-space-4);
}

.rl-mobile-submit .rl-button {
  width: 100%;
  min-height: 48px;
}

@media (max-width: 900px) {
  .rl-design-system {
    display: block;
  }

  .rl-sidebar {
    display: none;
  }

  .rl-gallery {
    padding: var(--rl-space-3);
  }

  .rl-toolbar,
  .rl-toolbar-actions,
  .rl-form-header,
  .rl-focus-header,
  .rl-scenario-header {
    align-items: stretch;
    flex-direction: column;
  }

  .rl-auth-grid,
  .rl-form-grid,
  .rl-form-grid-four,
  .rl-review-grid,
  .rl-system-grid,
  .rl-stage-tracker,
  .rl-state-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .rl-list-head {
    display: none;
  }

  .rl-list-row,
  .rl-form-grid,
  .rl-split-pane,
  .rl-state-grid {
    grid-template-columns: 1fr;
  }

  .rl-list-row {
    align-items: start;
  }

  .rl-event-stream {
    border-left: 0;
    border-top: 1px solid var(--rl-outline-soft);
    padding: var(--rl-space-4) 0 0;
  }
}