/* causa.inff.cc — research section enhancements
   Visual story cards, report view switcher, and list overrides.
   Uses the same CSS custom properties as static/css/causa.css. */

/* ── Report view switcher (single / summary / visual) ── */
.ca-report-view {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  padding: 1.25rem 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.ca-report-view-link {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-dim);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.ca-report-view-link:hover,
.ca-report-view-link.is-active {
  background: var(--primary-soft);
  color: var(--primary);
  border-color: var(--primary);
  text-decoration: none;
}

.ca-report-view-link.is-active {
  font-weight: 700;
}

/* Offset sticky report-toc so it does not hide under the site header */
.causa-report .report-toc {
  top: 64px;
}

/* ── Visual story cards ── */
.ca-visual {
  padding-bottom: 3rem;
}

.ca-visual-cards {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin: 2.5rem 0;
}

.ca-visual-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: auto;
  scroll-margin-top: 100px;
}

.ca-visual-card-text {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  padding: 1.75rem 2rem 1.25rem;
}

.ca-visual-card-solo .ca-visual-card-text {
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2.5rem 2rem 1.5rem;
}

.ca-visual-number {
  flex: 0 0 auto;
  font-family: var(--font-sans);
  font-size: clamp(2.2rem, 7vw, 4rem);
  font-weight: 800;
  line-height: 1;
  color: var(--accent);
  min-width: 2.5ch;
}

.ca-visual-card-solo .ca-visual-number {
  font-size: clamp(3rem, 10vw, 6rem);
}

.ca-visual-headline h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 4vw, 1.9rem);
  color: var(--text);
}

.ca-visual-card-solo .ca-visual-headline h2 {
  font-size: clamp(1.6rem, 5vw, 2.4rem);
}

.ca-visual-headline p {
  margin: 0;
  color: var(--text-dim);
  font-size: 1.05rem;
  line-height: 1.55;
}

.ca-visual-card-share {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.ca-visual-card-share:hover {
  color: var(--primary);
  border-color: var(--primary);
  text-decoration: none;
}

.ca-visual-figure {
  margin: 0;
  padding: 0 2rem 2rem;
}

.ca-visual-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

/* ── Visual story navigation ── */
.ca-visual-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin: 2rem 0;
}

.ca-visual-nav button {
  cursor: pointer;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: var(--radius);
  padding: 0.55rem 1.1rem;
  font-size: 0.95rem;
  font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.ca-visual-nav button:hover {
  background: var(--primary-soft);
  color: var(--primary);
  border-color: var(--primary);
}

.ca-visual-counter {
  font-size: 0.95rem;
  color: var(--text-muted);
  min-width: 4rem;
  text-align: center;
}

.ca-visual-dots {
  display: flex;
  gap: 0.45rem;
  align-items: center;
}

.ca-visual-dots span {
  display: block;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--text-muted);
  opacity: 0.45;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.ca-visual-dots span.is-active {
  opacity: 1;
  background: var(--primary);
  transform: scale(1.25);
}

/* ── CTAs ── */
.ca-visual-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.ca-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s ease, transform 0.15s ease;
}

.ca-cta:hover {
  background: var(--accent-hover);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}

.ca-cta-secondary {
  background: var(--primary);
}

.ca-cta-secondary:hover {
  background: var(--primary-dark);
}

/* ── List page tweaks ── */
.ca-card-grid .ca-card-meta time {
  font-variant-numeric: tabular-nums;
}

/* ── Explore page: interactive Plotly charts ── */
.ca-explore {
  padding-bottom: 3rem;
}

.ca-explore-grid {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  margin: 2.5rem 0;
}

.ca-explore-chart {
  margin: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: auto;
}

.ca-explore-chart figcaption {
  padding: 1.5rem 1.75rem;
  border-bottom: 1px solid var(--border);
}

.ca-explore-chart figcaption h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--text);
}

.ca-explore-chart figcaption p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.5;
}

.ca-explore-hint {
  display: none;
  margin-top: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-subtle);
}

.ca-explore-iframe-wrap {
  position: relative;
  width: 100%;
  min-height: 360px;
  background: var(--bg);
  overflow: auto;
}

.ca-explore-iframe-wrap iframe {
  display: block;
  width: 100%;
  border: 0;
  min-height: 360px;
}

.ca-explore-fullscreen {
  display: none;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
}

.ca-explore-fullscreen:hover {
  color: var(--primary);
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .ca-report-view {
    gap: 0.4rem;
    padding: 1rem 0.75rem;
  }

  .ca-report-view-link {
    padding: 0.4rem 0.65rem;
    font-size: 0.85rem;
  }

  .ca-visual {
    padding-bottom: 6rem;
  }

  .ca-visual-cards {
    gap: 1.5rem;
    margin: 1.5rem 0;
    scroll-snap-type: y proximity;
  }

  .ca-visual-card {
    scroll-snap-align: start;
    scroll-margin-top: 0.5rem;
    min-height: calc(100dvh - 7rem);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .ca-visual-card-text,
  .ca-visual-card-solo .ca-visual-card-text {
    flex-direction: column;
    gap: 0.75rem;
    padding: 1.25rem 1.25rem 1rem;
    align-items: flex-start;
    text-align: left;
  }

  .ca-visual-card-solo .ca-visual-card-text {
    align-items: center;
    text-align: center;
  }

  .ca-visual-figure {
    padding: 0 1.25rem 1.25rem;
  }

  .ca-visual-number {
    font-size: 2.5rem;
  }

  .ca-visual-card-solo .ca-visual-number {
    font-size: 3.5rem;
  }

  .ca-visual-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    margin: 0;
    padding: 0.75rem 1rem;
    background: rgba(13, 11, 26, 0.92);
    border-top: 1px solid var(--border);
    backdrop-filter: blur(10px);
    z-index: 90;
    justify-content: space-between;
    gap: 0.75rem;
  }

  [data-theme="light"] .ca-visual-nav {
    background: rgba(255, 255, 255, 0.92);
  }

  .ca-visual-nav button {
    padding: 0.7rem 1rem;
    font-size: 1rem;
    min-height: 44px;
    flex: 0 0 auto;
  }

  .ca-visual-counter {
    display: none;
  }

  .ca-visual-dots {
    flex: 1;
    justify-content: center;
  }

  .ca-visual-dots span {
    width: 0.5rem;
    height: 0.5rem;
  }

  .ca-visual-cta {
    padding-bottom: 1rem;
  }

  .ca-explore-chart figcaption {
    padding: 1.25rem;
  }

  .ca-explore-hint,
  .ca-explore-fullscreen {
    display: block;
  }

  .ca-explore-iframe-wrap {
    min-height: 320px;
  }

  .ca-explore-iframe-wrap iframe {
    min-height: 320px;
    min-width: 320px;
  }
}