:root {
  --ink: #111814;
  --muted: #607069;
  --paper: #f4f3ed;
  --surface: #ffffff;
  --line: #d8ded9;
  --green: #0d704d;
  --mint: #b8f1d4;
  --lime: #d7f472;
  --amber: #e6a62a;
  --red: #c54133;
  --red-soft: #f9dfd9;
  --blue: #2264d1;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 80% 4%, rgba(215, 244, 114, 0.28), transparent 22rem),
    var(--paper);
  font-family: "DM Sans", sans-serif;
}

button,
a {
  font: inherit;
}

.topbar {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4.5vw;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
  font-family: "Manrope", sans-serif;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: white;
  background: var(--ink);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.provider {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(13, 112, 77, 0.11);
}

main {
  width: min(1440px, 92vw);
  margin: 0 auto;
}

.hero {
  padding: 74px 0 48px;
}

.eyebrow,
.panel-label,
.kicker {
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 12px;
  font-weight: 700;
}

.hero h1 {
  max-width: 900px;
  margin: 16px 0;
  font-family: "Manrope", sans-serif;
  font-size: clamp(46px, 5.7vw, 86px);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.hero p {
  max-width: 730px;
  margin: 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.55;
}

.workspace {
  display: grid;
  grid-template-columns: 315px 1fr;
  min-height: 710px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 22px 70px rgba(38, 54, 46, 0.09);
}

.scenario-panel {
  padding: 30px 24px;
  color: white;
  background: var(--ink);
}

.scenario-panel .panel-label {
  margin: 2px 8px 18px;
  color: #91ac9e;
}

.scenario-card {
  width: 100%;
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 10px;
  padding: 16px;
  border: 1px solid #334039;
  border-radius: 14px;
  color: white;
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: 160ms ease;
}

.scenario-card:hover,
.scenario-card.active {
  border-color: var(--lime);
  background: #23322b;
  transform: translateY(-1px);
}

.scenario-card strong,
.scenario-card small {
  display: block;
}

.scenario-card strong {
  margin-bottom: 4px;
}

.scenario-card small {
  color: #9eb0a7;
  line-height: 1.35;
}

.sport-icon {
  display: grid;
  place-items: center;
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  color: var(--ink);
  background: var(--lime);
  font-weight: 800;
}

.principle {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  padding: 22px 8px 0;
}

.principle-number {
  color: #72877c;
  font-size: 11px;
  font-weight: 700;
}

.principle strong {
  font-size: 13px;
}

.principle p {
  margin: 5px 0 0;
  color: #92a59b;
  font-size: 12px;
  line-height: 1.45;
}

.decision-panel {
  padding: 34px clamp(26px, 4vw, 62px) 44px;
}

.decision-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 20px;
}

.decision-header h2 {
  margin: 8px 0 0;
  font-family: "Manrope", sans-serif;
  font-size: clamp(28px, 3vw, 42px);
  letter-spacing: -0.04em;
}

.report-id {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.report-preview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 30px 0 18px;
}

.metric {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fafbf9;
}

.metric span,
.metric strong {
  display: block;
}

.metric span {
  margin-bottom: 9px;
  color: var(--muted);
  font-size: 12px;
}

.metric strong {
  font-family: "Manrope", sans-serif;
  font-size: 23px;
}

.question-box {
  margin: 18px 0;
  padding: 20px 22px;
  border-left: 4px solid var(--green);
  border-radius: 4px 14px 14px 4px;
  background: #edf6f0;
}

.question-box span {
  color: var(--green);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.question-box p {
  margin: 7px 0 0;
  font-size: 18px;
  font-weight: 600;
}

.verify-button,
.fix-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border: 0;
  border-radius: 14px;
  color: white;
  background: var(--green);
  font-weight: 700;
  cursor: pointer;
}

.verify-button:hover,
.fix-button:hover {
  filter: brightness(1.06);
}

.verify-button:disabled {
  opacity: 0.6;
  cursor: wait;
}

.arrow {
  font-size: 22px;
}

.analysis {
  display: grid;
  grid-template-columns: minmax(220px, 0.75fr) minmax(350px, 1.25fr);
  gap: 32px;
  margin-top: 32px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.hidden {
  display: none !important;
}

.trace-column ol {
  padding: 0;
  margin: 18px 0 0;
  list-style: none;
  counter-reset: trace;
}

.trace-column li {
  counter-increment: trace;
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  align-items: start;
  margin-bottom: 13px;
  color: var(--muted);
  font-size: 13px;
}

.trace-column li::before {
  content: "✓";
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  color: var(--green);
  background: var(--mint);
  font-weight: 800;
}

.status-pill {
  display: inline-flex;
  padding: 8px 11px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.09em;
}

.status-pill.hold {
  color: #8f281f;
  background: var(--red-soft);
}

.status-pill.review {
  color: #81550c;
  background: #f8ebc9;
}

.status-pill.approved {
  color: #07593c;
  background: var(--mint);
}

.result-column h3 {
  margin: 14px 0 6px;
  font-family: "Manrope", sans-serif;
  font-size: 28px;
  letter-spacing: -0.035em;
}

.result-column > p {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.5;
}

.root-cause {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fafbf9;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  line-height: 1.6;
}

.evidence-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}

.evidence-item {
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 11px;
}

.evidence-item span,
.evidence-item strong {
  display: block;
}

.evidence-item span {
  color: var(--muted);
  font-size: 11px;
}

.evidence-item strong {
  margin-top: 4px;
  font-size: 13px;
}

.writeback {
  margin-top: 12px;
  padding: 13px;
  border-radius: 11px;
  color: #195139;
  background: #e6f5ec;
  font-size: 12px;
}

.receipt-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 10px;
  padding: 13px;
  border: 1px solid #b9cddd;
  border-radius: 11px;
  background: #eef6fb;
}

.receipt-panel span,
.receipt-panel strong {
  display: block;
}

.receipt-panel span {
  color: var(--muted);
  font-size: 11px;
}

.receipt-panel strong {
  margin-top: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}

.receipt-panel button {
  flex: 0 0 auto;
  padding: 9px 11px;
  border: 1px solid #8eb0c8;
  border-radius: 9px;
  color: #164d70;
  background: white;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

.fix-button {
  justify-content: center;
  margin-top: 14px;
  color: var(--ink);
  background: var(--lime);
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  margin: 34px 0 70px;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}

.proof-strip div {
  padding: 22px;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.5);
}

.proof-strip div:last-child {
  border-right: 0;
}

.proof-strip strong,
.proof-strip span {
  display: block;
}

.proof-strip span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 4.5vw;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

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

  .scenario-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .scenario-panel > .panel-label,
  .principle {
    display: none;
  }

  .analysis {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 620px) {
  .topbar {
    padding: 0 20px;
  }

  main {
    width: min(100% - 28px, 1440px);
  }

  .hero {
    padding-top: 46px;
  }

  .hero h1 {
    font-size: 46px;
  }

  .scenario-panel,
  .report-preview,
  .evidence-grid {
    grid-template-columns: 1fr;
  }

  .decision-header,
  footer {
    flex-direction: column;
  }

  .proof-strip {
    grid-template-columns: 1fr;
  }
}