:root {
  color-scheme: light;
  font-family: var(--capstone-sans);
  color: var(--capstone-ink);
  background: var(--capstone-bg);
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--capstone-bg);
  line-height: 1.45;
}

.stage-workspace {
  width: min(1180px, calc(100% - 2rem));
  margin: 1rem auto 2rem;
}

.stage-page-header,
.empty-panel,
.information-panel {
  border: 1px solid var(--capstone-border);
  background: var(--capstone-panel);
}

.stage-page-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: start;
  padding: 1.25rem 1.4rem;
  border-top: 3px solid #68727e;
}

.stage-page-code {
  margin: 0 0 0.45rem;
  color: var(--capstone-muted);
  font-family: var(--capstone-mono);
  font-size: 0.67rem;
  font-weight: 650;
  letter-spacing: 0.06em;
}

.stage-page-header h1 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.2;
}

.stage-page-summary {
  max-width: 720px;
  margin: 0.45rem 0 0;
  color: var(--capstone-muted);
  font-size: 0.84rem;
}

.stage-state {
  padding: 0.2rem 0.45rem;
  border: 1px solid #8a939c;
  background: #f0f2f4;
  color: #59636e;
  font-size: 0.64rem;
  font-weight: 700;
  text-transform: uppercase;
}

.stage-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0.75rem 0;
  border: 1px solid var(--capstone-border);
  background: var(--capstone-panel);
}

.stage-facts > div {
  min-width: 0;
  padding: 0.8rem 1rem;
  border-left: 1px solid var(--capstone-border-light);
}

.stage-facts > div:first-child {
  border-left: 0;
}

.stage-facts dt {
  margin-bottom: 0.18rem;
  color: var(--capstone-muted);
  font-size: 0.62rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.stage-facts dd {
  margin: 0;
  font-family: var(--capstone-mono);
  font-size: 0.72rem;
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(20rem, 0.75fr);
  gap: 0.75rem;
}

.empty-panel {
  display: grid;
  min-height: 22rem;
  place-items: center;
  padding: 2rem;
  text-align: center;
}

.empty-panel-code {
  color: var(--capstone-muted);
  font-family: var(--capstone-mono);
  font-size: 0.67rem;
}

.empty-panel h2 {
  margin: 0.55rem 0 0.35rem;
  font-size: 1.2rem;
}

.empty-panel p {
  max-width: 32rem;
  margin: 0;
  color: var(--capstone-muted);
  font-size: 0.82rem;
}

.information-panel h2 {
  margin: 0;
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--capstone-border);
  background: #fafbfc;
  font-size: 0.88rem;
}

.next-list {
  margin: 0;
  padding: 0.65rem 0.9rem 0.65rem 2rem;
  font-size: 0.78rem;
}

.next-list li {
  padding: 0.3rem 0;
}

.record-links {
  display: grid;
  border-top: 1px solid var(--capstone-border-light);
}

.record-links a {
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--capstone-border-light);
  color: var(--capstone-blue);
  font-size: 0.75rem;
  font-weight: 650;
  text-decoration: none;
}

.record-links a:last-child {
  border-bottom: 0;
}

.record-links a:hover,
.record-links a:focus-visible {
  outline: none;
  background: var(--capstone-blue-bg);
}

@media (max-width: 820px) {
  .workspace-grid {
    grid-template-columns: 1fr;
  }

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

  .stage-facts > div:nth-child(odd) {
    border-left: 0;
  }

  .stage-facts > div:nth-child(n + 3) {
    border-top: 1px solid var(--capstone-border-light);
  }
}

@media (max-width: 520px) {
  .stage-workspace {
    width: calc(100% - 1rem);
    margin-top: 0.5rem;
  }

  .stage-page-header {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .stage-facts {
    grid-template-columns: 1fr;
  }

  .stage-facts > div,
  .stage-facts > div:nth-child(odd) {
    border-top: 1px solid var(--capstone-border-light);
    border-left: 0;
  }

  .stage-facts > div:first-child {
    border-top: 0;
  }
}