/* Wider centered content for this article */
main.content,
#quarto-document-content {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 2rem;
}

.quarto-title-block {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 2rem;
}

#title-block-header h1.title,
#title-block-header .subtitle {
  text-align: left !important;
  padding-left: 0 !important;
  margin-left: 0 !important;
}

/* Make Plotly charts fill their container */
.plotly-graph-div {
  width: 100% !important;
}

/* Factor columns layout */
.factor-columns {
  display: grid;
  grid-template-columns: 0.75fr 1.1fr 2.1fr 1.1fr;
  gap: 1rem;
  align-items: start;
}

.factor-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.factor-inputs {
  padding: 0.75rem;
  background: var(--bs-tertiary-bg, #f8f9fa);
  border: 1px solid var(--bs-border-color);
  border-radius: 6px;
}

/* Factor param inputs */
.factor-params {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--bs-border-color);
  max-width: 260px;
}

/* Factor buttons — pill-shaped, filled, clearly interactive */
.btn.factor-btn {
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.45rem 1rem;
  border-width: 2px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.10);
  transition: background-color 0.15s, color 0.15s, box-shadow 0.15s;
  white-space: nowrap;
}

.btn.factor-btn:not(.active) {
  background-color: #fff;
  color: #1e46a0;
  border-color: #1e46a0;
}

.btn.factor-btn:not(.active):hover {
  background-color: #e8edf8;
  box-shadow: 0 2px 8px rgba(30,70,160,0.18);
}

.btn.factor-btn.active {
  background-color: #1e46a0;
  color: #fff;
  border-color: #1e46a0;
  box-shadow: 0 2px 8px rgba(30,70,160,0.28);
}

.param-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--bs-secondary-color, #6c757d);
  margin-bottom: 0.25rem;
  display: block;
}

.factor-inputs .form-control:disabled,
.factor-inputs .form-select:disabled,
.factor-inputs .form-select {
  background-color: transparent;
  font-size: 0.875rem;
  color: var(--bs-body-color);
  cursor: default;
  border-color: var(--bs-border-color);
  text-align: center;
}

@media (max-width: 768px) {
  .factor-columns {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* More visible accordion chevron */
#sim-accordion-header .accordion-button::after,
#treatment-accordion-header .accordion-button::after {
  display: none;
}

#sim-accordion-header .accordion-button .accordion-chevron,
#treatment-accordion-header .accordion-button .accordion-chevron {
  transition: transform 0.2s;
}

#sim-accordion-header .accordion-button:not(.collapsed) .accordion-chevron,
#treatment-accordion-header .accordion-button:not(.collapsed) .accordion-chevron {
  transform: rotate(180deg);
}