/* /zutaten/ — Substanz-Index
   Hochkant-Kachel-Grid analog substance-icons-prototype.jsx.
   Detail-Bereich öffnet inline direkt unter der angeklickten Kachel-Reihe. */

:root {
  --zutaten-text-color: #1a1a1a;
  --zutaten-bg-color: #f8f8f8;
  --zutaten-bg-secondary: #f0f0f0;
  --zutaten-border-color: #e0e0e0;

  /* Szenario-Aquarelle, sehr dezent */
  --zutaten-sz1-bg: hsl(0, 50%, 96%);
  --zutaten-sz1-border: hsl(0, 40%, 88%);
  --zutaten-sz1-accent: hsl(0, 70%, 45%);

  --zutaten-sz23-bg: hsl(140, 35%, 95%);
  --zutaten-sz23-border: hsl(140, 30%, 86%);
  --zutaten-sz23-accent: hsl(140, 55%, 35%);
}

.zutaten-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px 80px;
  color: var(--zutaten-text-color);
}

/* ── Filter-Leiste ─────────────────────────────────────────── */

.zutaten-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--zutaten-border-color);
}

.zutaten-filter button {
  background: transparent;
  border: 1px solid var(--zutaten-border-color);
  border-radius: 999px;
  padding: 6px 14px;
  font-family: inherit;
  font-size: 13px;
  color: var(--zutaten-text-color);
  cursor: pointer;
  transition: all 0.15s ease;
}

.zutaten-filter button:hover {
  background: var(--zutaten-bg-secondary);
}

.zutaten-filter button[aria-pressed="true"] {
  background: var(--zutaten-text-color);
  border-color: var(--zutaten-text-color);
  color: var(--zutaten-bg-color);
}

/* ── Kachel-Grid ──────────────────────────────────────────── */

.zutaten-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  list-style: none;
  padding: 0;
  margin: 0;
  width: 100%;
  box-sizing: border-box;
}

/* <li> ist das Grid-Item. aspect-ratio liegt hier, damit auto-fill
   die Spaltenzahl beim ersten Layout korrekt berechnet. */
.zutaten-grid > li {
  aspect-ratio: 1 / 1.1;
  min-width: 0;
  display: block;
}

.zutaten-grid > li.zutaten-detail-row {
  grid-column: 1 / -1;
  aspect-ratio: auto;
}

.zutaten-tile {
  background: var(--zutaten-bg-secondary);
  border: 1px solid var(--zutaten-border-color);
  border-radius: 4px;
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
  color: var(--zutaten-text-color);
  font-family: inherit;
  text-align: center;
  transition: all 0.15s ease;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
}

.zutaten-tile:hover {
  border-color: var(--zutaten-text-color);
}

/* Szenario-Aquarelle */
.zutaten-tile[data-szenario="1"] {
  background: var(--zutaten-sz1-bg);
  border-color: var(--zutaten-sz1-border);
}

.zutaten-tile[data-szenario="2"],
.zutaten-tile[data-szenario="3"] {
  background: var(--zutaten-sz23-bg);
  border-color: var(--zutaten-sz23-border);
}

.zutaten-tile[data-szenario="sonderfall"] {
  background: var(--zutaten-bg-secondary);
  border-color: var(--zutaten-border-color);
}

/* Aktiver Zustand: invertiert + farbiger 2px Streifen am Boden */
.zutaten-tile[aria-pressed="true"] {
  background: var(--zutaten-text-color);
  border-color: var(--zutaten-text-color);
  color: var(--zutaten-bg-color);
}

.zutaten-tile[aria-pressed="true"][data-szenario="1"]::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--zutaten-sz1-accent);
}

.zutaten-tile[aria-pressed="true"][data-szenario="2"]::after,
.zutaten-tile[aria-pressed="true"][data-szenario="3"]::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--zutaten-sz23-accent);
}

.zutaten-tile-icon {
  width: 64px;
  height: 64px;
  display: block;
}

.zutaten-tile-icon svg {
  width: 100%;
  height: 100%;
}

.zutaten-tile-name {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.2;
  word-break: break-word;
  padding: 0 4px;
}

.zutaten-tile-cat {
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.5;
  font-weight: 500;
}

.zutaten-tile[aria-pressed="true"] .zutaten-tile-cat {
  opacity: 0.65;
}

/* ── Detail-Bereich, inline in der Grid-Zeile ────────────── */

.zutaten-detail {
  margin: 4px 0 8px;
  padding: 28px;
  border: 1px solid var(--zutaten-border-color);
  border-radius: 4px;
  background: var(--zutaten-bg-color);
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 28px;
  align-items: start;
  animation: zutaten-detail-fade-in 0.15s ease;
  width: 100%;
  box-sizing: border-box;
}

@keyframes zutaten-detail-fade-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.zutaten-detail-icon {
  width: 120px;
  height: 120px;
}

.zutaten-detail-icon svg {
  width: 100%;
  height: 100%;
}

.zutaten-detail-body {
  min-width: 0;
}

.zutaten-detail-name {
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 4px;
  line-height: 1.2;
}

.zutaten-detail-meta {
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.55;
  margin: 0 0 16px;
}

.zutaten-field-label {
  font-style: normal;
  font-weight: 600;
}

.zutaten-line {
  font-size: 15px;
  line-height: 1.55;
  margin: 0 0 12px;
}

.zutaten-line:last-of-type {
  margin-bottom: 0;
}

.zutaten-xref {
  color: inherit;
  border-bottom: 1px dotted currentColor;
  text-decoration: none;
}

.zutaten-xref:hover {
  border-bottom-style: solid;
}

.zutaten-ref {
  margin: 16px 0 0;
}

.zutaten-ref a {
  color: inherit;
  font-size: 13px;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

/* ── Leerer Zustand ───────────────────────────────────────── */

.zutaten-empty {
  grid-column: 1 / -1;
  padding: 40px 0;
  text-align: center;
  font-size: 14px;
  opacity: 0.55;
}

/* ── Tooltip ──────────────────────────────────────────────── */

.zutaten-xref-tooltip {
  position: fixed;
  z-index: 100;
  background: var(--zutaten-text-color);
  color: var(--zutaten-bg-color);
  padding: 10px 14px;
  border-radius: 4px;
  max-width: 280px;
  font-size: 12px;
  line-height: 1.4;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.zutaten-xref-tooltip.is-visible {
  opacity: 1;
}

.zutaten-xref-tooltip-term {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
}

.zutaten-xref-tooltip-line {
  display: block;
  opacity: 0.85;
}

/* ── Responsiv ────────────────────────────────────────────── */

@media (max-width: 600px) {
  .zutaten-main {
    padding: 16px 12px 60px;
  }
  .zutaten-tile-icon {
    width: 52px;
    height: 52px;
  }
  .zutaten-detail {
    grid-template-columns: 1fr;
    padding: 20px;
    gap: 20px;
  }
  .zutaten-detail-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .zutaten-tile,
  .zutaten-filter button,
  .zutaten-detail {
    transition: none;
    animation: none;
  }
}