:root {
  color-scheme: light;
  --canvas: #f5f7fa;
  --surface: #ffffff;
  --ink: #17202d;
  --muted: #667085;
  --line: #d8e0e8;
  --line-strong: #b9c5d1;
  --teal: #00776c;
  --teal-soft: #e8f5f2;
  --blue: #315fba;
  --blue-soft: #edf3ff;
  --amber: #9b6518;
  --amber-soft: #fff4dc;
  --green: #137853;
  --red: #b42318;
  --shadow: 0 1px 2px rgba(23, 32, 45, 0.08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  background: var(--canvas);
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
}

button,
a {
  font: inherit;
}

a {
  color: var(--blue);
  text-underline-offset: 3px;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(49, 95, 186, 0.35);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  left: 12px;
  top: 8px;
  z-index: 20;
  transform: translateY(-150%);
  background: var(--ink);
  color: #ffffff;
  padding: 8px 12px;
}

.skip-link:focus {
  transform: translateY(0);
}

.topbar {
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 8px clamp(16px, 3vw, 36px);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.brand-block,
.topbar-actions,
.environment {
  display: flex;
  align-items: center;
}

.brand-block {
  gap: 10px;
}

.brand-block > div {
  display: grid;
}

.brand-block strong {
  font-size: 14px;
}

.brand-block span:not(.brand-mark) {
  color: var(--muted);
  font-size: 12px;
}

.brand-mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 5px;
  background: var(--ink);
  color: #ffffff;
  font-weight: 750;
}

.topbar-actions {
  gap: 16px;
}

.environment {
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

.status-dot--fixture {
  background: var(--amber);
}

.command-button {
  min-height: 36px;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: var(--surface);
  color: var(--ink);
  padding: 7px 12px;
  cursor: pointer;
}

.command-button:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.view-tabs {
  min-height: 43px;
  display: flex;
  gap: 22px;
  overflow-x: auto;
  padding: 0 clamp(16px, 3vw, 36px);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.view-tabs button {
  min-width: max-content;
  min-height: 42px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  padding: 0 1px;
}

.view-tabs button[aria-selected="true"] {
  border-bottom-color: var(--teal);
  color: var(--ink);
  font-weight: 700;
}

.workspace {
  width: min(100%, 1500px);
  margin: 0 auto;
  padding: 26px clamp(16px, 3vw, 36px) 36px;
}

.workspace-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 430px);
  align-items: end;
  gap: 28px;
  margin-bottom: 22px;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--teal);
  font-size: 11px;
  font-weight: 750;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 0;
  font-size: 30px;
  line-height: 1.2;
}

h2 {
  margin-bottom: 8px;
  font-size: 19px;
  line-height: 1.3;
}

h3 {
  margin-bottom: 8px;
  font-size: 13px;
}

.workspace-summary {
  margin-bottom: 2px;
  color: var(--muted);
  font-size: 13px;
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-block: 1px solid var(--line);
  background: var(--surface);
}

.summary-item {
  min-height: 91px;
  padding: 15px 18px;
  border-right: 1px solid var(--line);
}

.summary-item:last-child {
  border-right: 0;
}

.summary-label {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

.summary-value {
  display: block;
  margin-top: 6px;
  font-size: 23px;
  font-variant-numeric: tabular-nums;
  font-weight: 750;
}

.summary-note {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(270px, 330px);
  gap: 0;
  margin-top: 22px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.analysis-canvas {
  min-width: 0;
  min-height: 550px;
  padding: 24px;
}

.evidence-rail {
  min-width: 0;
  padding: 22px 20px;
  border-left: 1px solid var(--line);
  background: #fbfcfd;
}

.rail-heading {
  margin-bottom: 17px;
}

.evidence-list {
  margin: 0;
}

.evidence-list > div {
  display: grid;
  grid-template-columns: 105px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.evidence-list dt {
  color: var(--muted);
}

.evidence-list dd {
  margin: 0;
  overflow-wrap: anywhere;
  font-weight: 650;
}

.rail-section {
  margin-top: 23px;
  padding-top: 18px;
  border-top: 1px solid var(--line-strong);
}

.rail-section p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 12px;
}

.rail-section--guardrail {
  border-top-color: #e3bd76;
}

.connector-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  padding: 9px 0;
  border-top: 1px solid var(--line);
}

.connector-row strong {
  font-size: 12px;
}

.state-label {
  color: var(--amber);
  font-size: 11px;
  font-weight: 700;
}

.section-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.section-heading p {
  max-width: 520px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 12px;
}

.cost-chart {
  display: grid;
  gap: 17px;
  margin-bottom: 28px;
}

.cost-group {
  display: grid;
  grid-template-columns: minmax(130px, 190px) minmax(0, 1fr) 72px;
  align-items: center;
  gap: 13px;
}

.cost-group strong {
  font-size: 12px;
}

.bars {
  display: grid;
  gap: 5px;
}

.bar-track {
  height: 11px;
  background: #e8edf2;
  overflow: hidden;
}

.bar {
  display: block;
  height: 100%;
  border-radius: 2px;
  background: var(--line-strong);
}

.bar--ai {
  background: var(--teal);
}

.cost-number {
  text-align: right;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.data-table-wrap {
  width: 100%;
  overflow-x: auto;
  border-top: 1px solid var(--line-strong);
}

.data-table {
  width: 100%;
  min-width: 650px;
  border-collapse: collapse;
  font-size: 12px;
}

.data-table th,
.data-table td {
  padding: 11px 9px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
}

.data-table td[data-numeric],
.data-table th[data-numeric] {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.decision-ok {
  color: var(--green);
  font-weight: 700;
}

.decision-blocked {
  color: var(--red);
  font-weight: 700;
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(230px, 0.8fr);
  gap: 28px;
}

.detail-section {
  padding-top: 17px;
  border-top: 1px solid var(--line-strong);
}

.detail-section + .detail-section {
  margin-top: 24px;
}

.claim-list,
.scene-list,
.ticket-list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.claim-list li,
.scene-list li,
.ticket-item {
  padding: 11px 13px;
  border-left: 3px solid var(--teal);
  background: var(--teal-soft);
}

.claim-list code,
.scene-list code {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 10px;
  white-space: normal;
}

.fact-list {
  margin: 0;
}

.fact-list div {
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
}

.fact-list dt {
  color: var(--muted);
  font-size: 10px;
}

.fact-list dd {
  margin: 2px 0 0;
  font-size: 12px;
}

.ticket-item {
  border-left-color: var(--blue);
  background: var(--blue-soft);
}

.ticket-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 10px;
}

.empty-state,
.loading-state,
.error-state {
  min-height: 420px;
  display: grid;
  place-items: center;
  color: var(--muted);
}

.page-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 20px clamp(16px, 3vw, 36px) 30px;
  color: var(--muted);
  font-size: 11px;
}

.page-footer a {
  min-height: 24px;
  display: inline-flex;
  align-items: center;
}

@media (max-width: 980px) {
  .workspace-heading,
  .workspace-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .evidence-rail {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

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

  .summary-item:nth-child(2) {
    border-right: 0;
  }

  .summary-item:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 620px) {
  .topbar {
    align-items: flex-start;
  }

  .environment {
    display: none;
  }

  .command-button {
    max-width: 132px;
  }

  .workspace {
    padding-top: 20px;
  }

  .workspace-heading {
    gap: 12px;
  }

  h1 {
    font-size: 25px;
  }

  .summary-item {
    min-height: 82px;
    padding: 12px;
  }

  .summary-value {
    font-size: 20px;
  }

  .analysis-canvas,
  .evidence-rail {
    padding: 18px 15px;
  }

  .cost-group {
    grid-template-columns: 1fr 62px;
  }

  .cost-group strong {
    grid-column: 1 / -1;
  }

  .page-footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}