/* lca-interactive.css — bespoke visualizations for the LCA (hooded
   sweatshirt) case study, built from the real OpenLCA scenario results.
   Loads alongside case-study.css. */

.lca-viz-title {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--ink);
  margin-bottom: 14px;
}

.lca-viz-caption {
  font-size: 0.88rem;
  color: var(--ink-soft);
  margin-top: 10px;
  max-width: 60ch;
}

.lca-diagram {
  width: 100%;
  max-width: 640px;
  border-radius: 12px;
  margin-top: 24px;
  display: block;
  box-shadow: var(--shadow, 0 8px 24px rgba(43, 36, 29, 0.1));
}

/* --- 1. Diverging scenario comparison chart --- */
.lca-diverge-chart {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.lca-diverge-row {
  display: grid;
  grid-template-columns: 150px 1fr 76px;
  align-items: center;
  gap: 12px;
}

.lca-diverge-label {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--ink);
}

.lca-diverge-track {
  position: relative;
  height: 22px;
  background: var(--cream-dark);
  border-radius: 6px;
  overflow: hidden;
}

.lca-diverge-zero {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--ink-soft);
  opacity: 0.4;
  z-index: 2;
}

.lca-diverge-bar {
  position: absolute;
  top: 0;
  height: 100%;
  width: 0;
  transition: width 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}

.lca-diverge-bar.is-negative {
  right: 50%;
  background: var(--accent-green-dark);
  border-radius: 6px 0 0 6px;
}

.lca-diverge-bar.is-positive {
  left: 50%;
  background: var(--coral);
  border-radius: 0 6px 6px 0;
}

.lca-diverge-chart.in-view .lca-diverge-bar { width: var(--w); }

.lca-diverge-value {
  font-family: 'Fraunces', serif;
  font-size: 0.95rem;
  font-weight: 600;
  text-align: right;
  white-space: nowrap;
}

.lca-diverge-value.is-negative { color: var(--accent-green-dark); }
.lca-diverge-value.is-positive { color: var(--coral-dark); }

/* --- 2. Drying-method toggle --- */
.lca-dry-toggle {
  background: var(--cream);
  border-radius: 16px;
  padding: 24px;
}

.lca-dry-track {
  position: relative;
  display: flex;
  background: var(--cream-dark);
  border-radius: 12px;
  padding: 5px;
  gap: 5px;
}

.lca-dry-thumb {
  position: absolute;
  top: 5px;
  bottom: 5px;
  left: 0;
  width: 0;
  background: var(--ink);
  border-radius: 8px;
  transition: left 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), width 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.35s ease;
  z-index: 1;
}

.lca-dry-track.is-tumble .lca-dry-thumb { background: var(--coral); }

.lca-dry-pos {
  position: relative;
  z-index: 2;
  flex: 1;
  padding: 12px 14px;
  border: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--ink-soft);
  transition: color 0.3s ease;
  text-align: center;
}

.lca-dry-pos[aria-pressed="true"] { color: var(--white); }
.lca-dry-pos:hover[aria-pressed="false"] { color: var(--ink); }

.lca-dry-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 22px;
}

.lca-dry-stat {
  text-align: center;
}

.lca-dry-stat-value {
  display: block;
  font-family: 'Fraunces', serif;
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--ink-soft);
  transition: color 0.3s ease;
}

.lca-dry-stat-value.is-worse { color: var(--coral-dark); }

.lca-dry-stat-label {
  display: block;
  font-size: 0.76rem;
  color: var(--ink-soft);
  margin-top: 4px;
}

/* --- "In brief" accordion for the other two case studies --- */
.lca-brief-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 24px;
}

.lca-brief-item {
  background: var(--cream);
  border-radius: 14px;
  overflow: hidden;
}

.lca-brief-item summary {
  cursor: pointer;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  list-style: none;
}

.lca-brief-item summary::-webkit-details-marker { display: none; }

.lca-brief-heading {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.lca-brief-tag {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-green-dark);
}

.lca-brief-title {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
}

.lca-brief-chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--ink-soft);
  transition: transform 0.3s ease;
}

.lca-brief-item[open] .lca-brief-chevron { transform: rotate(180deg); }

.lca-brief-body {
  padding: 0 22px 22px;
}

.lca-brief-body img {
  width: 100%;
  max-width: 420px;
  border-radius: 10px;
  margin-bottom: 14px;
  display: block;
}

.lca-brief-body ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.lca-brief-body ul li {
  position: relative;
  padding-left: 20px;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.lca-brief-body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-green);
}

.lca-brief-body a {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.88rem;
  font-weight: 600;
}

@media (max-width: 640px) {
  .lca-diverge-row { grid-template-columns: 1fr; gap: 6px; text-align: left; }
  .lca-diverge-value { text-align: left; }
  .lca-dry-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .lca-diverge-bar,
  .lca-dry-thumb,
  .lca-dry-stat-value,
  .lca-brief-chevron {
    transition: none !important;
  }
}