/* ===== Design tokens =====
   Instrument-panel direction: desaturated deep blue-charcoal base (not
   near-black), three named semantic accents (not one neon), system font
   stacks only (no external font fetch -- this needs to survive the same
   corporate network restrictions we've hit all session). */

:root {
  --bg-deep: #12181b;
  --bg-surface: #1b2327;
  --bg-surface-2: #222c31;
  --bg-raised: #29343a;

  --ink: #e8eae6;
  --ink-dim: #a9b3af;
  --ink-faint: #6d7a76;

  --line: #2e3a3f;
  --line-soft: #253034;

  --teal: #4fa697;
  --teal-soft: rgba(79, 166, 151, 0.14);
  --amber: #d6a94b;
  --amber-soft: rgba(214, 169, 75, 0.14);
  --red: #c4634a;
  --red-soft: rgba(196, 99, 74, 0.14);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "IBM Plex Sans", Roboto, sans-serif;
  --font-mono: ui-monospace, "IBM Plex Mono", "Cascadia Mono", "SF Mono", Consolas, "Roboto Mono", monospace;
}

* { box-sizing: border-box; }

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

body {
  background: var(--bg-deep);
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* ===== Shell layout ===== */

.console {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.rail {
  background: var(--bg-surface);
  border-right: 1px solid var(--line);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.rail-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.rail-mark {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: var(--teal-soft);
  color: var(--teal);
  border: 1px solid rgba(79, 166, 151, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.rail-title {
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.rail-title .arrow {
  color: var(--teal);
  margin: 0 2px;
}

.rail-sub {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-top: 2px;
}

/* ===== Step rail: numbered because the workflow genuinely IS ordered
   (spec must exist before it can be reviewed, review before generation) */

.rail-steps {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.rail-step {
  display: flex;
  align-items: center;
  gap: 12px;
  background: none;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 10px 10px;
  text-align: left;
  cursor: pointer;
  color: var(--ink-faint);
}

.rail-step:disabled {
  cursor: not-allowed;
}

.rail-step-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  flex-shrink: 0;
  color: var(--ink-faint);
}

.rail-step-name {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--ink-dim);
}

.rail-step-hint {
  display: block;
  font-size: 0.68rem;
  color: var(--ink-faint);
  margin-top: 1px;
}

.rail-step[aria-current="step"] {
  background: var(--bg-raised);
  border-color: var(--line);
}

.rail-step[aria-current="step"] .rail-step-num {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--bg-deep);
  font-weight: 700;
}

.rail-step[aria-current="step"] .rail-step-name {
  color: var(--ink);
}

.rail-step.is-complete .rail-step-num {
  background: var(--teal-soft);
  border-color: var(--teal);
  color: var(--teal);
}

.rail-tenant {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.rail-tenant label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-faint);
  margin-bottom: 6px;
}

.rail-tenant input {
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 7px 9px;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.export-btn {
  background: transparent;
  color: var(--ink-dim);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  cursor: pointer;
  text-align: left;
  margin-bottom: 6px;
  width: 100%;
}

.export-btn:hover:not(:disabled) {
  border-color: var(--teal);
  color: var(--teal);
}

.export-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.rail-version {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--ink-faint);
  margin: 4px 0 0 0;
}

/* ===== Export / print ===== */

.export-view {
  display: none;
}

@media print {
  body.exporting {
    background: #ffffff !important;
  }

  body.exporting .rail,
  body.exporting .step-panel,
  body.exporting #error-banner {
    display: none !important;
  }

  body.exporting .export-view {
    display: block !important;
    background: #ffffff;
    color: #1a1a1a;
    font-family: -apple-system, "Segoe UI", Arial, sans-serif;
    padding: 0;
  }

  body.exporting .console {
    display: block;
  }

  .export-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0 0 4px 0;
  }

  .export-subtitle {
    font-size: 0.82rem;
    color: #555;
    margin: 0 0 24px 0;
  }

  .export-section {
    margin-bottom: 28px;
    page-break-inside: avoid;
  }

  .export-section h2 {
    font-size: 1rem;
    font-weight: 700;
    border-bottom: 2px solid #1a1a1a;
    padding-bottom: 4px;
    margin: 0 0 12px 0;
  }

  .export-field {
    margin-bottom: 10px;
  }

  .export-field-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #555;
    margin: 0 0 2px 0;
  }

  .export-field-value {
    font-size: 0.86rem;
    white-space: pre-wrap;
    margin: 0;
  }

  .export-code {
    background: #f4f4f4;
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 12px;
    font-family: ui-monospace, Consolas, monospace;
    font-size: 0.78rem;
    white-space: pre-wrap;
    word-break: break-word;
    page-break-inside: avoid;
  }

  .export-lu-step {
    margin-bottom: 8px;
    font-size: 0.84rem;
  }

  .export-insight {
    margin-bottom: 8px;
    font-size: 0.84rem;
    padding-left: 10px;
    border-left: 3px solid #999;
  }

  .export-insight-blocking { border-left-color: #c4634a; }
  .export-insight-warning { border-left-color: #d6a94b; }
  .export-insight-info { border-left-color: #4fa697; }

  .export-meta {
    font-size: 0.76rem;
    color: #555;
    margin-bottom: 4px;
  }
}

/* ===== Stage ===== */

.stage {
  padding: 28px 36px 60px;
  max-width: 1080px;
}

.step-panel[data-active="false"] {
  display: none;
}

.error-banner {
  background: var(--red-soft);
  color: #f0b3a3;
  border: 1px solid rgba(196, 99, 74, 0.4);
  border-radius: 6px;
  padding: 10px 14px;
  margin-bottom: 18px;
  font-size: 0.86rem;
}

.stage-card {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}

.stage-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.stage-card-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-dim);
  margin: 0 0 4px 0;
}

.stage-card-hint {
  font-size: 0.8rem;
  color: var(--ink-faint);
  line-height: 1.5;
  margin: 0 0 12px 0;
}

.link-btn {
  background: none;
  border: none;
  color: var(--teal);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  cursor: pointer;
  padding: 0;
}

.example-select {
  background: var(--bg-deep);
  color: var(--teal);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  padding: 4px 8px;
  cursor: pointer;
}

/* ===== Form fields ===== */

.field { margin-bottom: 14px; }

.field label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-dim);
  margin-bottom: 6px;
}

.req { color: var(--red); margin-left: 3px; }

.field input,
.field textarea,
.stage-card > textarea,
.route-field select {
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 9px 11px;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 0.86rem;
  resize: vertical;
}

.stage-card > textarea {
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.field input:focus,
.field textarea:focus,
.stage-card > textarea:focus {
  border-color: var(--teal);
}

.route-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 6px;
}

.route-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  margin-bottom: 5px;
}

.route-field select {
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.route-hint {
  font-size: 0.72rem;
  color: var(--ink-faint);
  margin: 0 0 16px 0;
}

.route-hint-blocked {
  color: var(--amber);
  background: var(--amber-soft);
  border: 1px solid rgba(214, 169, 75, 0.35);
  border-radius: 5px;
  padding: 8px 10px;
  line-height: 1.5;
}

.route-hint-limited {
  color: var(--teal);
  background: var(--teal-soft);
  border: 1px solid rgba(79, 166, 151, 0.35);
  border-radius: 5px;
  padding: 8px 10px;
  line-height: 1.5;
}

.route-hint-beta {
  color: var(--red);
  background: var(--red-soft);
  border: 1px solid rgba(196, 99, 74, 0.4);
  border-radius: 5px;
  padding: 8px 10px;
  line-height: 1.5;
}

.beta-optin {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--ink-dim);
  margin: 8px 0 16px 0;
  cursor: pointer;
}

.beta-optin[hidden] {
  /* .beta-optin's own `display: flex` above overrides the browser's native
     [hidden] { display: none } UA rule -- author stylesheets always beat
     UA stylesheets regardless of selector specificity, so setting
     element.hidden = true in JS silently did nothing visually. This rule
     re-asserts display:none with higher specificity (class + attribute)
     so hidden actually hides it. Real bug, caught from a live screenshot
     showing the opt-in checkbox visible for an "unavailable" (not "beta")
     route -- not a hypothetical. */
  display: none;
}

.beta-optin input {
  margin-top: 2px;
}

.meta-chip-beta {
  border-color: rgba(196, 99, 74, 0.4);
  color: var(--red);
  font-weight: 600;
}

.extract-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
}

.extract-row input[type="file"] {
  font-size: 0.76rem;
  color: var(--ink-faint);
}

.extract-notes {
  font-size: 0.78rem;
  color: var(--amber);
  background: var(--amber-soft);
  border: 1px solid rgba(214, 169, 75, 0.35);
  border-radius: 5px;
  padding: 9px 11px;
  margin: 12px 0 0 0;
}

.gap-chat-row {
  margin-top: 12px;
}

.gap-chat-card {
  margin-top: 12px;
}

.gap-chat-turn {
  margin-bottom: 16px;
}

.gap-chat-bubble {
  border-radius: 8px;
  padding: 10px 13px;
  font-size: 0.86rem;
  line-height: 1.55;
  max-width: 90%;
  margin-bottom: 8px;
}

.gap-chat-bot {
  background: var(--bg-deep);
  border: 1px solid var(--line);
  color: var(--ink);
}

.gap-chat-user {
  background: var(--teal-soft);
  border: 1px solid rgba(79, 166, 151, 0.3);
  color: var(--ink);
  margin-left: auto;
}

.gap-chat-context {
  font-size: 0.74rem;
  color: var(--ink-faint);
  font-style: italic;
  margin: -4px 0 8px 0;
}

.gap-chat-answer-row {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.gap-chat-answer-row textarea {
  flex: 1;
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 9px 10px;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  resize: vertical;
}

.gap-chat-thinking,
.gap-chat-done-note {
  font-size: 0.82rem;
  color: var(--ink-dim);
  margin-top: 8px;
}

.gap-chat-done-note {
  color: var(--teal);
}

/* ===== Buttons ===== */

.btn {
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-block { width: 100%; }

.btn-primary {
  background: var(--teal);
  color: #08201c;
}

.btn-primary:hover:not(:disabled) { background: #5db6a6; }

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink-dim);
}

.btn-ghost:hover:not(:disabled) { border-color: var(--teal); color: var(--teal); }

.btn-warn {
  background: var(--amber);
  color: #2b1f04;
}

.btn-warn:hover:not(:disabled) { background: #e0ba66; }

.btn-secondary {
  background: transparent;
  color: var(--ink-dim);
  border: 1px solid var(--line);
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--ink-dim);
  color: var(--ink);
}

/* ===== Suggested spec improvements ===== */

.suggestion-card {
  margin-top: 14px;
}

.suggestion-field {
  margin: 14px 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}

.suggestion-change-summary {
  font-size: 0.8rem;
  color: var(--teal);
  margin: 2px 0 8px 0;
  line-height: 1.5;
}

.suggestion-textarea {
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 9px 10px;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.5;
  resize: vertical;
}

.suggestion-applied-note {
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--teal);
}

/* ===== Cross-reference & Learned Patterns ===== */

.btn-small {
  padding: 5px 10px;
  font-size: 0.72rem;
}

.crossref-row {
  margin-top: 12px;
}

.crossref-result-card {
  margin-top: 12px;
}

.pattern-saved-note {
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--teal);
}

.learned-patterns-panel {
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  margin-top: 8px;
  max-height: 400px;
  overflow-y: auto;
}

.learned-pattern-row {
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
}

.learned-pattern-row:last-child {
  border-bottom: none;
}

.learned-pattern-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

/* =====================================================================
   REVIEW STEP — signature element: a diagnostic-panel readout, styled
   like a lab results panel. Five categories = five analytes; each gets
   a reference-range-style bar rather than a generic bar/pie chart.
   ===================================================================== */

.diagnostic-panel {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 20px;
}

.diagnostic-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-surface-2);
}

.readiness-flag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 7px 14px;
  border-radius: 20px;
  border: 1px solid;
  flex-shrink: 0;
}

.readiness-flag.ready { background: var(--teal-soft); color: var(--teal); border-color: rgba(79, 166, 151, 0.4); }
.readiness-flag.ready_with_notes { background: var(--amber-soft); color: var(--amber); border-color: rgba(214, 169, 75, 0.4); }
.readiness-flag.needs_revision { background: var(--red-soft); color: var(--red); border-color: rgba(196, 99, 74, 0.4); }

.diagnostic-summary {
  font-size: 0.86rem;
  color: var(--ink-dim);
  line-height: 1.5;
}

.tally-row {
  display: flex;
  gap: 1px;
  background: var(--line);
}

.tally-cell {
  flex: 1;
  background: var(--bg-surface);
  padding: 12px 16px;
  text-align: center;
}

.tally-count {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
}

.tally-cell.blocking .tally-count { color: var(--red); }
.tally-cell.warning .tally-count { color: var(--amber); }
.tally-cell.info .tally-count { color: var(--teal); }

.tally-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  margin-top: 4px;
}

.panel-grid {
  padding: 16px 20px 18px;
}

.panel-grid-title {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-faint);
  margin: 0 0 10px 0;
}

.analyte-row {
  display: grid;
  grid-template-columns: 110px 1fr 26px;
  align-items: center;
  gap: 10px;
  padding: 5px 0;
}

.analyte-label {
  font-size: 0.76rem;
  color: var(--ink-dim);
  text-transform: capitalize;
}

.analyte-track {
  height: 7px;
  background: var(--bg-deep);
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

.analyte-fill {
  height: 100%;
  border-radius: 4px;
  display: block;
}

.analyte-fill.blocking { background: var(--red); }
.analyte-fill.warning { background: var(--amber); }
.analyte-fill.info { background: var(--teal); }
.analyte-fill.clear { background: var(--line); width: 100% !important; }

.analyte-count {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-faint);
  text-align: right;
}

/* Insight list */

.insight-list {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 20px;
}

.insight-row {
  display: flex;
  gap: 14px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line-soft);
  align-items: flex-start;
}

.insight-row:last-child { border-bottom: none; }

.insight-severity {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 9px;
  border-radius: 10px;
  white-space: nowrap;
  margin-top: 2px;
}

.insight-blocking .insight-severity { background: var(--red-soft); color: var(--red); }
.insight-warning .insight-severity { background: var(--amber-soft); color: var(--amber); }
.insight-info .insight-severity { background: var(--teal-soft); color: var(--teal); }

.insight-category {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding-top: 4px;
  width: 92px;
}

.insight-body { flex: 1; min-width: 0; }

.insight-finding {
  font-size: 0.84rem;
  color: var(--ink);
  margin: 0 0 4px 0;
  line-height: 1.5;
}

.insight-suggestion {
  font-size: 0.78rem;
  color: var(--ink-faint);
  margin: 0;
  line-height: 1.5;
}

.review-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ===== Generate step ===== */

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.meta-chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink-faint);
}

.meta-chip-ok { border-color: rgba(79, 166, 151, 0.4); color: var(--teal); }
.meta-chip-fail { border-color: rgba(196, 99, 74, 0.4); color: var(--red); cursor: help; }

.code-block-label,
.explanation-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-faint);
  margin: 0 0 8px 0;
}

.code-block {
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 18px;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.7;
  overflow-x: auto;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 160px;
  max-height: 900px;
  margin: 0 0 18px 0;
}

.sql-kw { color: #7fb8ff; }
.sql-str { color: var(--amber); }
.sql-com { color: var(--ink-faint); font-style: italic; }

.explanation-text {
  font-size: 0.86rem;
  color: var(--ink-dim);
  line-height: 1.6;
  margin: 0 0 18px 0;
}

.cascade-trace {
  font-size: 0.76rem;
  color: var(--ink-faint);
  margin-bottom: 18px;
}

.cascade-trace summary {
  cursor: pointer;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.68rem;
}

.cascade-trace ul {
  margin: 8px 0 0 0;
  padding-left: 18px;
  font-family: var(--font-mono);
  line-height: 1.7;
}

.precedent-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.precedent-row input {
  flex: 1;
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 9px 11px;
  color: var(--ink);
  font-size: 0.82rem;
}

.precedent-status {
  font-size: 0.76rem;
  color: var(--ink-faint);
}

/* ===== Synthetic scenario test ===== */

.synthetic-test-row {
  margin-top: 14px;
}

.synthetic-test-card {
  margin-top: 14px;
}

.synthetic-caveat {
  background: var(--amber-soft);
  border: 1px solid rgba(214, 169, 75, 0.35);
  border-radius: 6px;
  padding: 12px 14px;
  font-size: 0.82rem;
  color: var(--amber);
  line-height: 1.6;
  margin-bottom: 16px;
}

.synthetic-caveat strong {
  color: var(--amber);
}

.scenario-card {
  border-top: 1px solid var(--line-soft);
  padding-top: 14px;
  margin-top: 14px;
}

.scenario-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.scenario-label {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink);
}

.verdict-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 3px 9px;
  border-radius: 10px;
  cursor: help;
}

.quadrant-tp {
  background: var(--teal-soft);
  color: var(--teal);
  border: 1px solid rgba(79, 166, 151, 0.35);
}

.quadrant-tn {
  background: rgba(95, 130, 190, 0.15);
  color: #7C9FD9;
  border: 1px solid rgba(95, 130, 190, 0.35);
}

.quadrant-fp {
  background: var(--red-soft);
  color: var(--red);
  border: 1px solid rgba(196, 99, 74, 0.4);
}

.quadrant-fn {
  background: var(--amber-soft);
  color: var(--amber);
  border: 1px solid rgba(214, 169, 75, 0.35);
}

.quadrant-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.quadrant-stat {
  border-radius: 6px;
  padding: 12px 8px;
  text-align: center;
  border: 1px solid var(--line);
}

.quadrant-stat-count {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.1;
}

.quadrant-stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  margin-top: 2px;
  opacity: 0.85;
}

.synthetic-bug-banner {
  background: var(--red-soft);
  border: 1px solid rgba(196, 99, 74, 0.4);
  color: var(--red);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 0.82rem;
  margin-bottom: 14px;
}

.scenario-desc {
  font-size: 0.84rem;
  color: var(--ink-dim);
  margin: 0 0 10px 0;
  line-height: 1.5;
}

.scenario-field-label {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  display: block;
  margin-bottom: 3px;
}

.scenario-data {
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  white-space: pre-wrap;
  margin: 0 0 10px 0;
  color: var(--ink);
}

.synthetic-data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 12px 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: 5px;
  overflow: hidden;
}

.synthetic-data-table th,
.synthetic-data-table td {
  padding: 6px 10px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
  border-right: 1px solid var(--line-soft);
  white-space: nowrap;
}

.synthetic-data-table th:last-child,
.synthetic-data-table td:last-child {
  border-right: none;
}

.synthetic-data-table tr:last-child td {
  border-bottom: none;
}

.synthetic-data-table th {
  background: rgba(79, 166, 151, 0.1);
  color: var(--teal);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
}

.synthetic-data-table td {
  color: var(--ink);
}

.scenario-outcomes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 10px;
}

.scenario-outcomes p {
  font-size: 0.82rem;
  color: var(--ink);
  margin: 0;
  line-height: 1.5;
}

.scenario-reasoning {
  font-size: 0.8rem;
  color: var(--ink-dim);
  line-height: 1.55;
  margin: 0;
  font-style: italic;
}

/* ===== Logic Understanding step ===== */

.lu-summary {
  font-size: 0.88rem;
  color: var(--ink-dim);
  line-height: 1.6;
  margin: 0 0 18px 0;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.lu-section-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-faint);
  margin: 18px 0 8px 0;
}

.lu-empty {
  font-size: 0.8rem;
  color: var(--ink-faint);
  font-style: italic;
  margin: 0;
}

.lu-domain,
.lu-definition,
.lu-edge-case {
  font-size: 0.84rem;
  color: var(--ink);
  line-height: 1.6;
  padding: 8px 0;
  border-bottom: 1px solid var(--line-soft);
}
.lu-domain:last-child,
.lu-definition:last-child,
.lu-edge-case:last-child {
  border-bottom: none;
}

.lu-steps {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.lu-step {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
}
.lu-step:last-child {
  border-bottom: none;
}

.lu-step-num {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--teal-soft);
  color: var(--teal);
  border: 1px solid rgba(79, 166, 151, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
}

.lu-step-body p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--ink);
  line-height: 1.6;
}

.lu-inferred-tag {
  display: inline-block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--amber);
  background: var(--amber-soft);
  border: 1px solid rgba(214, 169, 75, 0.35);
  border-radius: 10px;
  padding: 2px 8px;
}

.lu-list {
  margin: 0;
  padding-left: 20px;
  font-size: 0.84rem;
  color: var(--ink);
  line-height: 1.7;
}

.empty-state {
  color: var(--ink-faint);
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 40px;
  text-align: center;
  font-size: 0.86rem;
}

/* ===== Responsive ===== */

@media (max-width: 780px) {
  .console { grid-template-columns: 1fr; }
  .rail {
    flex-direction: row;
    align-items: center;
    overflow-x: auto;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .rail-steps { flex-direction: row; }
  .rail-tenant { margin-top: 0; padding-top: 0; border-top: none; }
  .stage { padding: 20px 16px 40px; }
  .route-row { grid-template-columns: 1fr; }
  .analyte-row { grid-template-columns: 90px 1fr 22px; }
}