/* Guided Demo walkthrough.
   Adds operation steps and real result figures without turning the page into a dashboard. */

.demo-page-nav {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  margin: -1rem 0 2.6rem;
  padding: 0.6rem;
  border: 1px solid rgba(61, 111, 182, 0.18);
  border-radius: 0.75rem;
  background: color-mix(in srgb, var(--research-surface) 90%, transparent);
  box-shadow: var(--showcase-shadow-soft);
  scrollbar-width: thin;
}

.demo-page-nav a {
  flex: 0 0 auto;
  padding: 0.48rem 0.7rem;
  border-radius: 0.48rem;
  color: var(--research-muted);
  font-size: 0.68rem;
  font-weight: 750;
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease;
}

.demo-page-nav a:is(:hover, :focus-visible) {
  color: var(--showcase-blue-dark);
  background: var(--showcase-soft-blue);
}

.demo-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 1.35rem 0 1rem;
}

.demo-step {
  position: relative;
  min-height: 13.4rem;
  padding: 1.1rem;
  border: 1px solid var(--research-border);
  border-radius: 0.78rem;
  background: var(--research-surface);
  box-shadow: var(--showcase-shadow-soft);
}

.demo-step::before {
  position: absolute;
  top: 0;
  right: 0.9rem;
  left: 0.9rem;
  height: 0.18rem;
  border-radius: 0 0 999px 999px;
  background: linear-gradient(90deg, var(--showcase-blue), var(--showcase-purple));
  content: "";
}

.demo-step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin: 0.2rem 0 0.8rem;
  border-radius: 0.58rem;
  color: #ffffff;
  background: linear-gradient(135deg, var(--showcase-blue-dark), var(--showcase-blue));
  font-size: 0.72rem;
  font-weight: 850;
}

.demo-step h3 {
  margin: 0 0 0.45rem;
  font-size: 0.98rem;
}

.demo-step p {
  margin: 0;
  color: var(--research-muted);
  font-size: 0.75rem;
  line-height: 1.68;
}

.demo-step > a {
  display: inline-block;
  margin-top: 0.8rem;
  font-size: 0.7rem;
  font-weight: 800;
}

.demo-defaults {
  display: grid;
  grid-template-columns: 1.7fr repeat(4, minmax(0, 1fr));
  gap: 0.55rem;
  margin: 1rem 0 1.7rem;
}

.demo-defaults > div {
  min-width: 0;
  padding: 0.78rem;
  border: 1px solid rgba(61, 111, 182, 0.15);
  border-radius: 0.6rem;
  background: linear-gradient(145deg, var(--research-surface), var(--showcase-soft-blue));
}

.demo-defaults span,
.demo-defaults strong {
  display: block;
}

.demo-defaults span {
  margin-bottom: 0.25rem;
  color: var(--research-muted);
  font-size: 0.61rem;
  font-weight: 750;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.demo-defaults strong {
  overflow: hidden;
  color: var(--research-text);
  font-size: 0.72rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.demo-run-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 1.3rem 0 1.6rem;
}

.demo-run-stat {
  padding: 1rem 0.8rem;
  border: 1px solid rgba(61, 111, 182, 0.17);
  border-radius: 0.7rem;
  text-align: center;
  background: var(--research-surface);
  box-shadow: var(--showcase-shadow-soft);
}

.demo-run-stat strong,
.demo-run-stat span {
  display: block;
}

.demo-run-stat strong {
  color: var(--showcase-blue-dark);
  font-size: clamp(1.3rem, 2.8vw, 1.75rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.demo-run-stat span {
  margin-top: 0.25rem;
  color: var(--research-muted);
  font-size: 0.65rem;
  font-weight: 700;
}

.demo-result-figure {
  overflow: hidden;
  margin: 1.2rem 0 1rem;
  padding: 0;
  border: 1px solid rgba(61, 111, 182, 0.18);
  border-radius: 0.88rem;
  background: #ffffff;
  box-shadow: var(--showcase-shadow);
}

.demo-result-figure > a {
  display: block;
  overflow: hidden;
  background: #ffffff;
}

.demo-result-figure img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
  background: #ffffff;
  transition: transform 220ms ease;
}

.demo-result-figure > a:hover img {
  transform: scale(1.006);
}

.demo-result-figure--records img {
  max-width: 66rem;
}

.demo-result-figure figcaption {
  margin: 0;
  padding: 0.72rem 0.9rem;
  border-top: 1px solid var(--research-border);
  color: var(--research-muted);
  background: var(--research-surface);
  font-size: 0.69rem;
  line-height: 1.55;
  text-align: center;
}

.demo-result-figure figcaption strong {
  color: var(--research-text);
}

.demo-reading-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 1rem 0 2.1rem;
}

.demo-reading {
  padding: 0.95rem 1rem;
  border: 1px solid var(--research-border);
  border-radius: 0.67rem;
  background: var(--research-surface);
}

.demo-reading strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--showcase-blue-dark);
  font-size: 0.76rem;
}

.demo-reading p {
  margin: 0;
  color: var(--research-muted);
  font-size: 0.74rem;
  line-height: 1.68;
}

.demo-download-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.1rem 0 2rem;
}

[data-md-color-scheme="slate"] .demo-page-nav,
[data-md-color-scheme="slate"] .demo-defaults > div {
  background: linear-gradient(145deg, rgba(23, 33, 49, 0.98), rgba(29, 42, 61, 0.96));
}

[data-md-color-scheme="slate"] .demo-page-nav a:is(:hover, :focus-visible) {
  color: #b6d0ec;
  background: rgba(61, 111, 182, 0.2);
}

[data-md-color-scheme="slate"] .demo-step,
[data-md-color-scheme="slate"] .demo-run-stat,
[data-md-color-scheme="slate"] .demo-reading,
[data-md-color-scheme="slate"] .demo-result-figure figcaption {
  background: var(--research-surface);
}

[data-md-color-scheme="slate"] .demo-run-stat strong,
[data-md-color-scheme="slate"] .demo-reading strong {
  color: #8fb7e5;
}

@media screen and (max-width: 68rem) {
  .demo-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .demo-step {
    min-height: 11.5rem;
  }

  .demo-defaults {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .demo-defaults > div:first-child {
    grid-column: span 2;
  }
}

@media screen and (max-width: 46rem) {
  .demo-page-nav {
    margin-top: -1.4rem;
  }

  .demo-steps,
  .demo-defaults,
  .demo-run-summary,
  .demo-reading-grid {
    grid-template-columns: 1fr;
  }

  .demo-step {
    min-height: 0;
  }

  .demo-defaults > div:first-child {
    grid-column: auto;
  }

  .demo-defaults strong {
    white-space: normal;
  }

  .demo-download-row {
    align-items: stretch;
    flex-direction: column;
  }

  .demo-download-row .demo-action {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .demo-page-nav a,
  .demo-result-figure img {
    transition: none;
  }
}