.box-blue {
  background-color: #dff3f1;
  border: 2px solid #7fcac3;
  border-radius: 8px;
  padding: 1.2em 1em 0.5em 1em;
  margin: 1.5em 0;
  position: relative;
  box-shadow: 0 2px 8px rgba(25, 118, 210, 0.15);
}

.box-hl {
  background-color: #fff8c4;
  border: 2px solid #e6d85c;
  border-radius: 8px;
  padding: 1.2em 1em 0.5em 1em;
  margin: 1.5em 0;
  position: relative;
  box-shadow: 0 2px 8px rgba(25, 118, 210, 0.15);
}

.callout-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--bs-border-color, #ccc);
  border-radius: 999px;
  background: var(--bs-body-bg, #fff);
  color: var(--bs-body-color, #222);
  font-size: 0.95rem;
  line-height: 1.2;
  cursor: pointer;
  transition: all 0.2s ease;
}

.callout-toggle-btn:hover {
  background: rgba(0, 0, 0, 0.05);
}

.callout-toggle-btn::before {
  content: "▸";
  transition: transform 0.2s ease;
}

.callout-toggle-btn.is-expanded::before {
  content: "▾";
}

.callout-toggle-btn.is-expanded {
  background: rgba(0, 0, 0, 0.08);
}

#quarto-announcement a {
  color: #08354f !important;
}

/* Model overview */

.tab-content {
  background: #e4f3ef;
}

.overview_summary {
  background: #007268;
  color: #ffffff;
  border-radius: 8px;
  padding: 1em 1.4em 0.4em 1.4em;
  margin-bottom: 1.8rem;
  font-size: 0.97rem;
  line-height: 1.6;
  box-shadow: 0 2px 6px rgba(0, 114, 104, 0.18);
}

/* Step box */
.overview_step {
  background: white;
  position: relative;
  border: 2px solid #cfd4dc;
  border-radius: 10px;
  padding: 1.2em 1.2em 0.5em 1.2em;
  margin: 1.5rem 0;
}
.overview_step.is_new {
  border-color: #2ca25f;
}
.overview_step.is_change {
  border-color: #f28e2b;
}

/* Badge */
.step_badge {
  position: absolute;
  top: -12px;
  right: 12px;

  padding: 0.3rem 0.75rem;
  border-radius: 999px;

  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;

  color: white;
  text-transform: uppercase;
  cursor: help;
}
.is_new .step_badge {
  background: #2ca25f;
}
.is_change .step_badge {
  background: #f28e2b;
}
.is_same .step_badge {
  background: #a5a9b0;
}

/* Font */
.overview_step h3 {
  margin-top: 0;
  margin-bottom: 0.8rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: #243447;
}
.overview_step h4 {
  font-size: 1rem;
}

/* Details section */
.overview_step .callout {
  background: #f5f7fa;
}

/* Arrow between boxes */
.overview_arrow {
  text-align: center;
  font-size: 2rem;
  line-height: 1;
  color: #b0b7c3;
  margin: -0.8em 0 -0.5em 0;
  user-select: none;
}