.demo-shell {
  display: grid;
  gap: 1.5rem;
  padding: 2rem 0 3rem;
}

.demo-hero,
.demo-panel,
.mini-panel,
.app-frame {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
}

.demo-hero {
  padding: 2rem;
}

.demo-kicker {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #7dd3fc;
}

.demo-hero h1,
.demo-panel h2 {
  margin: 0;
}

.demo-lede {
  margin: 0.9rem 0 0;
  max-width: 70ch;
  line-height: 1.7;
}

.tag-row,
.button-row,
.note-row,
.stats-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.tag-row {
  margin-top: 1.1rem;
}

.tag,
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.84rem;
}

.demo-panel {
  padding: 1.4rem;
}

.demo-panel h2 {
  margin-bottom: 0.8rem;
  font-size: 1.2rem;
}

.panel-grid,
.detail-grid,
.steps-grid,
.metric-grid,
.run-mode-grid {
  display: grid;
  gap: 1rem;
}

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

.steps-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.metric-grid,
.run-mode-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.mini-panel {
  padding: 1rem;
  min-width: 0;
}

.mini-panel h3,
.mini-panel h4 {
  margin: 0 0 0.55rem;
  font-size: 1rem;
}

.mini-panel p,
.mini-panel li,
.demo-panel li,
.demo-panel p {
  line-height: 1.6;
}

.plain-list,
.step-list {
  margin: 0;
  padding-left: 1.15rem;
}

.step-list li,
.plain-list li {
  margin-bottom: 0.45rem;
}

.app-frame {
  padding: 1rem;
}

.scenario-lab {
  padding: 1.4rem;
}

.lab-grid {
  display: grid;
  grid-template-columns: minmax(320px, 1.2fr) minmax(280px, 1fr);
  gap: 1rem;
}

.lab-column {
  display: grid;
  gap: 0.9rem;
}

.lab-field {
  display: grid;
  gap: 0.45rem;
  font-weight: 700;
}

.lab-field span {
  color: #cbd5e1;
}

.lab-field input,
.lab-field textarea {
  width: 100%;
  padding: 0.85rem 0.95rem;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(15, 23, 42, 0.42);
  color: #f8fafc;
}

.lab-field textarea {
  min-height: 132px;
}

.lab-score {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
  border-radius: 14px;
  background: rgba(125, 211, 252, 0.1);
  border: 1px solid rgba(125, 211, 252, 0.18);
}

.lab-score strong {
  font-size: 2rem;
  line-height: 1;
}

.score-label {
  color: #cbd5e1;
  font-weight: 700;
}

.app-frame > * {
  min-width: 0;
}

.helper-note,
.callout-note {
  margin-top: 0.9rem;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  background: rgba(125, 211, 252, 0.1);
  border: 1px solid rgba(125, 211, 252, 0.2);
  line-height: 1.6;
}

.callout-note.warn {
  background: rgba(251, 191, 36, 0.12);
  border-color: rgba(251, 191, 36, 0.26);
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.number-safe,
.summary-value,
.forecast-value,
.total-value,
.yield-value,
.result-value,
.wallet-value,
.tx-amount,
.tx-id,
.amount {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.scroll-x,
.table-container {
  overflow-x: auto;
}

input,
select,
textarea,
button {
  max-width: 100%;
}

textarea {
  min-height: 170px;
}

@media (max-width: 720px) {
  .demo-hero,
  .demo-panel,
  .app-frame {
    padding: 1rem;
  }

  .scenario-lab {
    padding: 1rem;
  }

  .demo-hero h1 {
    font-size: 1.8rem;
  }

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

  .results-container {
    grid-template-columns: 1fr;
  }
}