.reflex-hero {
  min-height: min(720px, 82vh);
}

.lab-shell {
  width: min(1180px, 90vw);
  margin: 0 auto 88px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.lab-toolbar {
  display: grid;
  grid-template-columns: auto minmax(260px, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.lab-toolbar label,
.prompt-band summary {
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.lab-toolbar select {
  width: 100%;
  min-height: 46px;
  border: 1px solid rgba(199, 163, 72, 0.4);
  border-radius: 4px;
  padding: 0 14px;
  background: #11100d;
  color: var(--paper);
  font: inherit;
}

.scenario-header {
  max-width: 860px;
  padding: 56px 0 42px;
}

.scenario-header h2,
.coverage-band h2,
.receipt-band h2 {
  margin: 8px 0 16px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(30px, 4vw, 54px);
  letter-spacing: 0;
}

.scenario-header p,
.coverage-copy > p,
.receipt-band > div > p {
  color: rgba(243, 239, 227, 0.72);
  line-height: 1.75;
}

.depth-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.depth-button {
  min-height: 108px;
  border: 0;
  border-right: 1px solid var(--line);
  padding: 18px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  text-align: left;
}

.depth-button:last-child {
  border-right: 0;
}

.depth-button strong,
.depth-button span {
  display: block;
}

.depth-button strong {
  margin-bottom: 8px;
  color: var(--paper);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 28px;
}

.depth-button.active,
.depth-button:hover {
  background: rgba(199, 163, 72, 0.12);
  color: var(--paper);
}

.depth-button.active strong {
  color: var(--gold);
}

.prompt-band {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.6fr);
  gap: 48px;
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}

.prompt-band h3 {
  margin: 8px 0 0;
  font-size: 25px;
  font-weight: 500;
  line-height: 1.5;
}

.prompt-band details {
  align-self: start;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.prompt-band details p {
  color: rgba(243, 239, 227, 0.72);
  line-height: 1.65;
}

.coverage-band {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 56px;
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

#lensChecklist {
  display: grid;
  gap: 0;
  margin: 28px 0 0;
  padding: 0;
  border: 0;
}

#lensChecklist label {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 12px;
  align-items: start;
  padding: 15px 0;
  border-top: 1px solid rgba(199, 163, 72, 0.18);
  color: rgba(243, 239, 227, 0.82);
  line-height: 1.5;
}

#lensChecklist input {
  width: 18px;
  height: 18px;
  accent-color: var(--gold);
}

.coverage-output {
  align-self: start;
  min-height: 230px;
  padding: 26px;
  border-left: 3px solid var(--gold);
  background: rgba(243, 239, 227, 0.045);
}

.coverage-output span,
.coverage-output strong {
  display: block;
}

.coverage-output span {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.coverage-output strong {
  margin: 12px 0;
  color: var(--gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 64px;
}

.coverage-output p {
  color: rgba(243, 239, 227, 0.72);
  line-height: 1.6;
}

.receipt-band {
  padding: 56px 0;
}

.receipt-band pre {
  max-height: 330px;
  margin: 28px 0 20px;
}

.receipt-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.status-line {
  min-height: 24px;
  color: var(--gold);
}

@media (max-width: 780px) {
  .lab-toolbar,
  .prompt-band,
  .coverage-band {
    grid-template-columns: 1fr;
  }

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

  .depth-button:nth-child(2) {
    border-right: 0;
  }

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

@media (max-width: 520px) {
  .lab-shell {
    width: min(92vw, 1180px);
  }

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

  .depth-button {
    min-height: 78px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .depth-button:last-child {
    border-bottom: 0;
  }
}