#js-tool-container-metal-staircase-frame-calculator .msf-app {
  --msf-steel: #4a6a8a;
  display: flex;
  flex-direction: column;
  gap: 22px;
  color: var(--text-primary);
}
html[data-theme="dark"] #js-tool-container-metal-staircase-frame-calculator .msf-app {
  --msf-steel: #7fa3c7;
}
#js-tool-container-metal-staircase-frame-calculator .msf-controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
#js-tool-container-metal-staircase-frame-calculator .tbcalc-fieldset {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 16px 16px;
  margin: 0;
}
#js-tool-container-metal-staircase-frame-calculator .tbcalc-legend {
  padding: 0 6px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
}
#js-tool-container-metal-staircase-frame-calculator .tbcalc-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 20px;
}
#js-tool-container-metal-staircase-frame-calculator .tbcalc-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
#js-tool-container-metal-staircase-frame-calculator .tbcalc-hint {
  font-size: 0.8rem;
  line-height: 1.35;
  color: var(--text-muted);
}
#js-tool-container-metal-staircase-frame-calculator .msf-checkbox {
  width: 22px;
  height: 22px;
  accent-color: var(--accent-primary);
}
#js-tool-container-metal-staircase-frame-calculator .msf-outcome {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
#js-tool-container-metal-staircase-frame-calculator .msf-hero {
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--msf-steel);
  border-radius: var(--radius-md);
  background: var(--accent-light);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 128px;
}
#js-tool-container-metal-staircase-frame-calculator .msf-hero-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}
#js-tool-container-metal-staircase-frame-calculator .msf-hero-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
#js-tool-container-metal-staircase-frame-calculator .msf-hero-value {
  font-size: clamp(1.9rem, 5vw, 2.9rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--text-primary);
}
#js-tool-container-metal-staircase-frame-calculator .tbcalc-unit {
  font-size: 1rem;
  color: var(--text-secondary);
}
#js-tool-container-metal-staircase-frame-calculator .msf-hero-note {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.4;
  color: var(--text-secondary);
}
#js-tool-container-metal-staircase-frame-calculator .msf-spec {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}
#js-tool-container-metal-staircase-frame-calculator .msf-spec-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 10px 14px;
  border-top: 1px solid var(--border-color);
  font-size: 0.9rem;
}
#js-tool-container-metal-staircase-frame-calculator .msf-spec-row:nth-child(-n+2) {
  border-top: 0;
}
#js-tool-container-metal-staircase-frame-calculator .msf-spec-row:nth-child(odd) {
  border-right: 1px solid var(--border-color);
}
#js-tool-container-metal-staircase-frame-calculator .msf-spec-label {
  color: var(--text-secondary);
}
#js-tool-container-metal-staircase-frame-calculator .msf-spec-val {
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
#js-tool-container-metal-staircase-frame-calculator .msf-checks {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
}
#js-tool-container-metal-staircase-frame-calculator .msf-check {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-size: 0.86rem;
}
#js-tool-container-metal-staircase-frame-calculator .msf-check-label {
  color: var(--text-secondary);
}
#js-tool-container-metal-staircase-frame-calculator .msf-check-val {
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
#js-tool-container-metal-staircase-frame-calculator .msf-ok {
  color: var(--success);
}
#js-tool-container-metal-staircase-frame-calculator .msf-bad {
  color: var(--danger);
}
#js-tool-container-metal-staircase-frame-calculator .tbcalc-status {
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--text-secondary);
}
#js-tool-container-metal-staircase-frame-calculator .tbcalc-status.warn {
  border-left-color: var(--warning);
  background: var(--warning-light);
  color: var(--text-primary);
}
#js-tool-container-metal-staircase-frame-calculator .tbcalc-status.danger {
  border-left-color: var(--danger);
  background: var(--danger-light);
  color: var(--text-primary);
}
#js-tool-container-metal-staircase-frame-calculator .msf-details {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
#js-tool-container-metal-staircase-frame-calculator .tbcalc-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}
#js-tool-container-metal-staircase-frame-calculator .tbcalc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  font-variant-numeric: tabular-nums;
}
#js-tool-container-metal-staircase-frame-calculator .msf-table-caption {
  caption-side: top;
  text-align: left;
  padding: 10px 14px;
  font-size: 0.84rem;
  color: var(--text-secondary);
}
#js-tool-container-metal-staircase-frame-calculator .tbcalc-table th,
#js-tool-container-metal-staircase-frame-calculator .tbcalc-table td {
  padding: 8px 14px;
  text-align: right;
  border-top: 1px solid var(--border-color);
}
#js-tool-container-metal-staircase-frame-calculator .tbcalc-table thead th {
  text-align: right;
  color: var(--text-secondary);
  font-weight: 600;
  border-top: 0;
}
#js-tool-container-metal-staircase-frame-calculator .tbcalc-table th[scope="row"],
#js-tool-container-metal-staircase-frame-calculator .tbcalc-table thead th:first-child {
  text-align: left;
}
#js-tool-container-metal-staircase-frame-calculator .msf-limits {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.45;
  color: var(--text-muted);
}
@media (max-width: 600px) {
  #js-tool-container-metal-staircase-frame-calculator .tbcalc-grid-2 {
    grid-template-columns: 1fr;
  }
  #js-tool-container-metal-staircase-frame-calculator .msf-spec {
    grid-template-columns: 1fr;
  }
  #js-tool-container-metal-staircase-frame-calculator .msf-spec-row:nth-child(odd) {
    border-right: 0;
  }
  #js-tool-container-metal-staircase-frame-calculator .msf-spec-row:nth-child(-n+2) {
    border-top: 1px solid var(--border-color);
  }
  #js-tool-container-metal-staircase-frame-calculator .msf-spec-row:first-child {
    border-top: 0;
  }
}