#js-tool-container-metal-stair-stringer-calculator .msc-app {
  display: flex;
  flex-direction: column;
  gap: 22px;
  color: var(--text-primary);
}

#js-tool-container-metal-stair-stringer-calculator .tbcalc-fieldset {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 18px 18px;
  margin: 0 0 14px;
}

#js-tool-container-metal-stair-stringer-calculator .tbcalc-legend {
  padding: 0 6px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

#js-tool-container-metal-stair-stringer-calculator .tbcalc-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

#js-tool-container-metal-stair-stringer-calculator .tbcalc-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

#js-tool-container-metal-stair-stringer-calculator .tbcalc-hint {
  font-size: 0.8rem;
  line-height: 1.35;
  color: var(--text-muted);
}

#js-tool-container-metal-stair-stringer-calculator .tbcalc-status {
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--text-secondary);
}

#js-tool-container-metal-stair-stringer-calculator .tbcalc-status.warn {
  border-left-color: var(--warning);
  background: var(--warning-light);
  color: var(--text-primary);
}

#js-tool-container-metal-stair-stringer-calculator .tbcalc-status.danger {
  border-left-color: var(--danger);
  background: var(--danger-light);
  color: var(--text-primary);
}

#js-tool-container-metal-stair-stringer-calculator .msc-outcome {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

#js-tool-container-metal-stair-stringer-calculator .msc-hero {
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--radius-md);
  background: var(--accent-light);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 120px;
}

#js-tool-container-metal-stair-stringer-calculator .msc-hero-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

#js-tool-container-metal-stair-stringer-calculator .msc-hero-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

#js-tool-container-metal-stair-stringer-calculator .msc-hero-value {
  font-size: clamp(1.8rem, 4.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--text-primary);
}

#js-tool-container-metal-stair-stringer-calculator .msc-hero-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--success);
}

#js-tool-container-metal-stair-stringer-calculator .msc-hero-note {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.4;
  color: var(--text-secondary);
}

#js-tool-container-metal-stair-stringer-calculator .msc-matrix {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

#js-tool-container-metal-stair-stringer-calculator .msc-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 160px;
}

#js-tool-container-metal-stair-stringer-calculator .msc-card-title {
  font-size: 0.88rem;
  font-weight: 650;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 6px;
}

#js-tool-container-metal-stair-stringer-calculator .msc-data-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  font-size: 0.86rem;
}

#js-tool-container-metal-stair-stringer-calculator .msc-data-label {
  color: var(--text-muted);
}

#js-tool-container-metal-stair-stringer-calculator .msc-data-val {
  font-weight: 600;
  color: var(--text-primary);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

#js-tool-container-metal-stair-stringer-calculator .msc-preview {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#js-tool-container-metal-stair-stringer-calculator .msc-canvas-wrap {
  position: relative;
  width: 100%;
  min-height: 240px;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  overflow: hidden;
}

#js-tool-container-metal-stair-stringer-calculator .msc-canvas-wrap canvas {
  display: block;
  width: 100%;
  height: 100%;
}

#js-tool-container-metal-stair-stringer-calculator .msc-canvas-desc {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

#js-tool-container-metal-stair-stringer-calculator .msc-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

#js-tool-container-metal-stair-stringer-calculator .msc-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

#js-tool-container-metal-stair-stringer-calculator .msc-dot {
  width: 12px;
  height: 4px;
  border-radius: 2px;
  display: inline-block;
}

#js-tool-container-metal-stair-stringer-calculator .msc-dot-beam {
  background: var(--accent-primary, #2f66ff);
}

#js-tool-container-metal-stair-stringer-calculator .msc-dot-bracket {
  background: var(--success, #18996b);
}

#js-tool-container-metal-stair-stringer-calculator .msc-dot-moment {
  background: var(--warning, #b57c17);
}

#js-tool-container-metal-stair-stringer-calculator .msc-dot-load {
  background: var(--danger, #cf4f42);
}

#js-tool-container-metal-stair-stringer-calculator .msc-details {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#js-tool-container-metal-stair-stringer-calculator .tbcalc-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

#js-tool-container-metal-stair-stringer-calculator .tbcalc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
  font-variant-numeric: tabular-nums;
}

#js-tool-container-metal-stair-stringer-calculator .msc-table-caption {
  caption-side: top;
  text-align: left;
  padding: 10px 14px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-secondary);
}

#js-tool-container-metal-stair-stringer-calculator .tbcalc-table th,
#js-tool-container-metal-stair-stringer-calculator .tbcalc-table td {
  padding: 8px 14px;
  text-align: right;
  border-top: 1px solid var(--border-color);
}

#js-tool-container-metal-stair-stringer-calculator .tbcalc-table thead th {
  color: var(--text-secondary);
  font-weight: 600;
  border-top: 0;
}

#js-tool-container-metal-stair-stringer-calculator .tbcalc-table th[scope="row"],
#js-tool-container-metal-stair-stringer-calculator .tbcalc-table thead th:first-child {
  text-align: left;
}

@media (max-width: 900px) {
  #js-tool-container-metal-stair-stringer-calculator .msc-matrix {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  #js-tool-container-metal-stair-stringer-calculator .tbcalc-grid-3 {
    grid-template-columns: 1fr;
  }
}