:root {
  --background: #f6f7f9;
  --surface: #ffffff;
  --text: #172033;
  --muted: #5f6b7a;
  --border: #d9dee8;
  --warning-bg: #fff3cd;
  --warning-text: #4d3900;
  --accent: #1f4e79;
  --accent-light: #e7f0f8;
  --success-light: #e8f5ee;
  --attention-light: #fff7e6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--background);
  color: var(--text);
}

.prototype-warning {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.85rem 1rem;
  background: var(--warning-bg);
  color: var(--warning-text);
  border-bottom: 1px solid #e6c766;
}

.app-shell {
  width: min(1180px, calc(100% - 2rem));
  margin: 1.25rem auto 3rem;
}

.hero-card,
.panel,
.status-card,
.case-card,
.detail-card,
.review-card,
.tracker-card,
.queue-card,
.role-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 8px 22px rgba(23, 32, 51, 0.06);
}

.hero-card {
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.principal-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 280px);
  gap: 1rem;
  align-items: stretch;
}

.role-card {
  padding: 1rem;
  display: grid;
  gap: 0.4rem;
  align-content: center;
  background: var(--accent-light);
}

.role-label,
.muted-note {
  color: var(--muted);
  font-size: 0.9rem;
}

.eyebrow {
  margin: 0 0 0.25rem;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1,
h2,
h3,
h4 {
  margin-top: 0;
}

.hero-card p:last-child,
.panel p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.tab-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.tab {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 0.65rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
}

.tab.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.panel {
  display: none;
  padding: 1.25rem 1.25rem 2.75rem;
  min-height: 220px;
}

.panel.is-active {
  display: block;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.case-list-heading {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.status-card,
.detail-card {
  margin-top: 1rem;
  padding: 1rem;
  color: var(--muted);
}

.compact-status {
  margin-top: 0;
  max-width: 340px;
}

.queue-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
}

.queue-card {
  text-align: left;
  padding: 1rem;
  cursor: pointer;
  display: grid;
  gap: 0.35rem;
  border-left: 5px solid transparent;
  transition: transform 120ms ease, box-shadow 120ms ease, border-color 120ms ease;
}

.queue-card:hover,
.queue-card:focus,
.queue-card.is-selected {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(23, 32, 51, 0.11);
  border-left-color: var(--accent);
  outline: 2px solid var(--accent-light);
}

.queue-count {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}

.queue-title {
  font-weight: 800;
  color: var(--text);
}

.queue-urgency {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  font-size: 0.78rem;
  font-weight: 700;
  background: var(--attention-light);
  color: #6b4200;
}

.queue-helper {
  color: var(--muted);
  line-height: 1.35;
}

.case-grid,
.review-grid,
.tracker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.case-card,
.review-card,
.tracker-card {
  padding: 1rem;
}

.case-card {
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.case-card:hover,
.case-card:focus {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(23, 32, 51, 0.11);
  outline: 2px solid var(--accent-light);
}

.case-card-header,
.detail-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.case-id {
  color: var(--accent);
  font-weight: 800;
}

.queue-pill,
.tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.25rem 0.55rem;
  font-size: 0.78rem;
  font-weight: 700;
}

.queue-pill {
  background: var(--accent-light);
  color: var(--accent);
}

.next-step-callout {
  padding: 0.75rem;
  border-radius: 10px;
  background: var(--success-light);
  color: #214d34;
  margin-top: 0.75rem;
}

.open-workflow-cue {
  display: inline-flex;
  width: fit-content;
  margin-top: 0.75rem;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 800;
}

.case-meta,
.detail-grid {
  display: grid;
  gap: 0.75rem;
  margin: 1rem 0;
}

.case-meta {
  grid-template-columns: 1fr;
}

.detail-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

dt {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
}

dd {
  margin: 0.15rem 0 0;
}

.safety-progress-bridge,
.rac-matrix-panel {
  margin-bottom: 1.25rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: linear-gradient(180deg, #ffffff 0%, #f7fafc 100%);
}

.safety-progress-bridge {
  overflow-x: auto;
}

.bridge-header,
.rac-matrix-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.bridge-header h4,
.rac-matrix-header h4 {
  margin-bottom: 0;
}

.bridge-boundary {
  display: inline-flex;
  border-radius: 999px;
  padding: 0.25rem 0.6rem;
  background: var(--warning-bg);
  color: var(--warning-text);
  font-size: 0.78rem;
  font-weight: 800;
}

.bridge-track {
  display: grid;
  grid-template-columns: auto minmax(860px, 1fr) auto;
  gap: 0.75rem;
  align-items: stretch;
  min-width: 1060px;
}

.bridge-end {
  display: grid;
  place-items: center;
  min-width: 62px;
  border-radius: 12px;
  padding: 0.75rem 0.5rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.bridge-risk {
  background: #fde8e8;
  color: #7f1d1d;
}

.bridge-safer {
  background: var(--success-light);
  color: #214d34;
}

/* Slice 33.2.28.1: keep all seven progress bridge tiles on one horizontal plane. */
.bridge-planks {
  display: grid;
  grid-template-columns: repeat(7, minmax(104px, 1fr));
  gap: 0.45rem;
  align-items: stretch;
}

.bridge-plank {
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 0.3rem;
  padding: 0.65rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #eef2f7;
  min-height: 122px;
}

.bridge-plank strong {
  color: var(--text);
}

.bridge-plank small {
  color: var(--muted);
  line-height: 1.22;
}

.plank-number {
  display: inline-grid;
  place-items: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 999px;
  background: var(--surface);
  color: var(--accent);
  font-weight: 900;
}

.bridge-plank.is-complete {
  background: var(--success-light);
  border-color: #9bd0b1;
}

.bridge-plank.is-current {
  background: var(--accent-light);
  border-color: var(--accent);
  box-shadow: inset 0 0 0 2px rgba(31, 78, 121, 0.18);
}

.bridge-plank.is-upcoming {
  background: #f8fafc;
  color: var(--muted);
  opacity: 0.68;
}

.bridge-plank.is-waiting {
  background: var(--attention-light);
  border-color: #e6c766;
}

.bridge-plank.is-optional {
  background: #f1f3f5;
  border-style: dashed;
}

.bridge-note,
.rac-matrix-note {
  margin: 0.85rem 0 0;
  color: var(--muted);
}

#selected-ai-advisory > .page-progress-bridge,
#selected-ai-advisory .ai-rac-rationale {
  display: none;
}

.rac-matrix-panel {
  margin-top: 1.35rem;
  scroll-margin-top: 1.5rem;
}

.rac-matrix-grid {
  display: grid;
  grid-template-columns: minmax(160px, 1.4fr) repeat(4, minmax(110px, 1fr));
  gap: 0.35rem;
  margin-top: 1.15rem;
}

.rac-corner,
.rac-axis,
.rac-cell {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.65rem;
}

.rac-corner,
.rac-axis {
  background: #eef2f7;
  color: var(--text);
  font-weight: 800;
}

.rac-axis.is-axis-selected {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 2px rgba(31, 78, 121, 0.16);
}

.rac-axis-button {
  width: 100%;
  min-height: 100%;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  padding: 0;
  text-align: inherit;
}

.rac-axis-button:hover,
.rac-axis-button:focus {
  color: var(--accent);
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.rac-axis-button.is-selected {
  color: var(--accent);
}

.severity-axis {
  display: flex;
  align-items: center;
}

.probability-axis {
  text-align: center;
}

.rac-cell {
  min-height: 76px;
  display: grid;
  gap: 0.25rem;
  align-content: center;
  text-align: center;
  background: #f1f3f5;
}

.rac-cell strong {
  font-size: 1rem;
}

.rac-cell span {
  display: inline-flex;
  justify-content: center;
  border-radius: 999px;
  padding: 0.18rem 0.45rem;
  background: var(--surface);
  font-size: 0.72rem;
  font-weight: 800;
}

.rac-high {
  background: #fde8e8;
  color: #7f1d1d;
}

.rac-medium {
  background: var(--attention-light);
  color: #6b4200;
}

.rac-low {
  background: var(--success-light);
  color: #214d34;
}

.rac-cell.is-draft {
  outline: 3px solid var(--accent);
  box-shadow: 0 0 0 4px rgba(31, 78, 121, 0.12);
}

.rac-cell.is-human {
  border-style: dashed;
  border-width: 2px;
}

.rac-matrix-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.85rem;
  color: var(--muted);
}

.tag-list,
.action-row,
.case-detail-actions,
.workflow-footer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.75rem;
}

.tag {
  background: #eef2f7;
  color: var(--muted);
}

.action-row button,
.case-detail-actions button,
.workflow-footer-actions button {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #ffffff;
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
}

.action-row button:hover,
.action-row button:focus,
.case-detail-actions button:hover,
.case-detail-actions button:focus,
.workflow-footer-actions button:hover,
.workflow-footer-actions button:focus {
  filter: brightness(0.95);
  outline: 2px solid var(--accent-light);
}

/* Slice 33.2.35: make RAC infographic selection intent visually obvious. */
.action-row button.is-selected {
  background: #ffffff;
  color: var(--accent);
  border-width: 2px;
  box-shadow: inset 0 0 0 2px rgba(31, 78, 121, 0.16);
}

.risk-eliminated-banner {
  display: grid;
  gap: 0.25rem;
  margin: 1rem 0;
  padding: 0.9rem 1rem;
  border: 2px solid #1f7a4d;
  border-radius: 8px;
  background: #e8f7ee;
  color: #153f2a;
}

.risk-eliminated-banner strong {
  font-size: 1rem;
  letter-spacing: 0;
}

.rac-workbench-option {
  margin: 0.85rem 0 0.45rem;
}

/* Slice 33.2.53: keep the monitor period selector visually tied to Set monitor. */
.final-monitor-control {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}

.final-monitor-control label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #ffffff;
  color: var(--muted);
  font-weight: 700;
}

.final-monitor-control select {
  min-width: 6.75rem;
}

@media (max-width: 720px) {
  .final-monitor-control {
    display: grid;
    gap: 0.35rem;
  }

  .final-monitor-control label {
    justify-content: space-between;
  }
}

.rac-cell.is-draft span,
.rac-cell.is-human span {
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.rac-cell.is-human {
  outline: 3px dashed var(--accent);
  box-shadow: 0 0 0 4px rgba(31, 78, 121, 0.16);
}

.audit-integrity-note {
  margin-top: 0.75rem;
  padding: 0.75rem;
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  background: var(--accent-light);
  color: var(--text);
}

.workflow-footer {
  margin-top: 1.25rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #f9fbfd;
  position: sticky;
  bottom: 0.75rem;
  z-index: 20;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.14);
}

.workflow-footer-label {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.workflow-footer-status {
  margin-top: 0.75rem;
  color: var(--muted);
}

.advisory-warning {
  background: var(--warning-bg);
  color: var(--warning-text);
  border: 1px solid #e6c766;
  border-radius: 10px;
  padding: 0.75rem;
  margin-bottom: 1rem;
}

.tracker-card strong {
  display: block;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.timeline-list {
  display: grid;
  gap: 0.75rem;
  padding-left: 1.25rem;
}

.timeline-list li {
  padding: 0.75rem;
  background: #eef2f7;
  border-radius: 10px;
}

.timeline-list span {
  display: block;
  color: var(--muted);
  margin-top: 0.25rem;
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .safety-progress-bridge {
    overflow-x: auto;
  }

  .bridge-track {
    grid-template-columns: auto minmax(860px, 1fr) auto;
    min-width: 1060px;
  }

  .bridge-planks {
    grid-template-columns: repeat(7, minmax(104px, 1fr));
  }

  .rac-matrix-grid {
    grid-template-columns: minmax(130px, 1fr) repeat(4, minmax(92px, 1fr));
    overflow-x: auto;
  }
}

@media (max-width: 720px) {
  .app-shell {
    width: min(100% - 1rem, 1180px);
  }

  .principal-hero,
  .section-heading {
    grid-template-columns: 1fr;
    display: grid;
  }

  .tab {
    width: 100%;
  }
}