/* ===== KI-Architektur Deutschland page =====
 * Bilingual visualisation of 140 actors across 9 layers in Germany's AI ecosystem.
 * Uses theme CSS variables exclusively — no :root block.
 * Layer (ebene) colours are fixed brand colours requested by the editor.
 * Dark mode uses an OUTLINE variant (transparent fill + coloured border/text).
 */

/* ---------- Layer colour tokens (fixed, brand) ---------- */
.kia-page {
  --kia-international: #1a2750;
  --kia-nato:          #004990;
  --kia-eu:            #1d4ed8;
  --kia-bund:          #e0762e;
  --kia-land:          #8b1e3f;
  --kia-kommune:       #5e1428;
  --kia-forschung:     #0f766e;
  --kia-wirtschaft:    #6d28d9;
  --kia-ngo:           #047857;

  /* Light defaults — text on coloured fill is white */
  --kia-box-text:     #fff;
  --kia-svg-stroke:   rgba(0,0,0,.22);
  --kia-svg-active:   rgba(0,0,0,.55);
  --kia-grid-bg:      var(--color-surface);
  --kia-row-bg:       transparent;
  --kia-row-bg-alt:   color-mix(in srgb, var(--color-surface-2) 65%, transparent);
}
[data-theme='dark'] .kia-page {
  --kia-svg-stroke:   rgba(255,255,255,.22);
  --kia-svg-active:   rgba(255,255,255,.55);
}

/* ---------- Page wrapper ---------- */
.kia-page {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: clamp(var(--sp-12), 6vw, var(--sp-24)) var(--sp-6);
}

/* Hero: matches other resources (page-subtitle / page-title / page-intro from theme.css) */
.kia-page .page-title {
  margin-bottom: var(--sp-3);
}
.kia-page .page-intro {
  max-width: 75ch;
  margin-bottom: clamp(var(--sp-6), 3vw, var(--sp-10));
}

/* ---------- Meta bar ---------- */
.kia-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-6);
  padding: var(--sp-4) 0;
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  margin-bottom: clamp(var(--sp-6), 3vw, var(--sp-8));
}
.kia-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.kia-meta-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.kia-meta-value {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: -.01em;
}

/* ---------- Toolbar ---------- */
.kia-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-4);
  margin-bottom: var(--sp-5);
}
.kia-search-wrap {
  position: relative;
  flex: 1 1 280px;
  min-width: 240px;
}
.kia-search-icon {
  position: absolute;
  left: var(--sp-3);
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--color-text-faint);
  pointer-events: none;
}
.kia-search-input {
  width: 100%;
  font: 500 var(--text-sm)/1.4 var(--font-body);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-full);
  padding: var(--sp-2) var(--sp-4) var(--sp-2) calc(var(--sp-3) + 20px);
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.kia-search-input::placeholder { color: var(--color-text-faint); }
.kia-search-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 18%, transparent);
}

.kia-filter-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
}
.kia-filter-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-right: var(--sp-1);
}
.kia-filter-btn {
  font: 500 var(--text-xs)/1 var(--font-body);
  letter-spacing: .04em;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-full);
  padding: var(--sp-2) var(--sp-3);
  cursor: pointer;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.kia-filter-btn:hover {
  color: var(--color-text);
  border-color: var(--color-border);
}
.kia-filter-btn.is-active {
  color: var(--color-text-inv);
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.kia-action-group {
  display: flex;
  gap: var(--sp-2);
  margin-left: auto;
}
.kia-btn {
  font: 500 var(--text-xs)/1 var(--font-body);
  letter-spacing: .04em;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-full);
  padding: var(--sp-2) var(--sp-3);
  cursor: pointer;
  transition: color .15s ease, border-color .15s ease;
}
.kia-btn:hover {
  color: var(--color-text);
  border-color: var(--color-border);
}

/* ---------- Legend ---------- */
.kia-legend-details {
  margin-bottom: var(--sp-4);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}
.kia-legend-summary {
  cursor: pointer;
  list-style: none;
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.kia-legend-summary::-webkit-details-marker { display: none; }
/* Static (always-open) legend variant — no toggle marker, no pointer. */
.kia-legend-summary--static {
  cursor: default;
  border-bottom: 1px dashed var(--color-divider);
}

.kia-legend {
  padding: 0 var(--sp-4) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.kia-legend-section {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2) var(--sp-3);
}
.kia-legend-title {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-right: var(--sp-1);
}
.kia-legend-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.kia-swatch {
  display: inline-block;
  width: 11px;
  height: 11px;
  border-radius: 2px;
}
.kia-swatch[data-ebene='international'] { background: var(--kia-international); }
.kia-swatch[data-ebene='nato']          { background: var(--kia-nato); }
.kia-swatch[data-ebene='eu']            { background: var(--kia-eu); }
.kia-swatch[data-ebene='bund']          { background: var(--kia-bund); }
.kia-swatch[data-ebene='land']          { background: var(--kia-land); }
.kia-swatch[data-ebene='kommune']       { background: var(--kia-kommune); }
.kia-swatch[data-ebene='forschung']     { background: var(--kia-forschung); }
.kia-swatch[data-ebene='wirtschaft']    { background: var(--kia-wirtschaft); }
.kia-swatch[data-ebene='ngo']           { background: var(--kia-ngo); }

.kia-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-text-muted);
}
.kia-dot.is-private  { background: #16a34a; } /* green for individuals */
.kia-dot.is-firma    { background: #2563eb; } /* blue for companies   */
.kia-dot.is-forscher { background: #d97706; } /* amber for researchers */
.kia-dot.is-closed   { background: var(--color-text-faint); }

.kia-hint {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-bottom: var(--sp-4);
}

/* ---------- Grid container ---------- */
.kia-grid-container {
  position: relative;
  background: var(--kia-grid-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--sp-4);
  overflow: visible;
}
.kia-svg-connections {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}
.kia-svg-connections path {
  fill: none;
  stroke: var(--kia-svg-stroke);
  stroke-width: 1.2;
  opacity: 0;
  transition: opacity .2s ease;
}
.kia-svg-connections path.hover-link {
  opacity: .55;
  stroke-width: 1.4;
}
.kia-svg-connections path.active-link {
  opacity: .9;
  stroke: var(--kia-svg-active);
  stroke-width: 1.8;
}

.kia-grid {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

/* ---------- Ebene rows ---------- */
.kia-ebene-row {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: var(--sp-3);
  align-items: stretch;
}
.kia-ebene-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  border-right: none;
  border-left: 2px solid var(--color-divider);
  padding: var(--sp-3) 0 var(--sp-3) var(--sp-3);
  margin-right: var(--sp-1);
  text-align: center;
  white-space: nowrap;
  align-self: stretch;
  display: flex;
  align-items: center;
  justify-content: center;
}
.kia-ebene-content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}
.kia-funktion-group {
  flex: 1 1 200px;
  min-width: 180px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.kia-funktion-header {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  padding-bottom: 2px;
  border-bottom: 1px dashed var(--color-divider);
}
.kia-funktion-boxes {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  align-content: flex-start;
}

/* ---------- Actor box ---------- */
.kia-actor-box {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-1);
  min-width: 56px;
  max-width: 140px;
  padding: 6px 9px 14px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--kia-box-text);
  background: var(--kia-fill, var(--color-text-muted));
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  user-select: none;
  outline: none;
  transition: transform .12s ease, box-shadow .12s ease, opacity .15s ease;
  text-align: center;
  line-height: 1.15;
}
.kia-actor-box[data-ebene='international'] { --kia-fill: var(--kia-international); }
.kia-actor-box[data-ebene='nato']          { --kia-fill: var(--kia-nato); }
.kia-actor-box[data-ebene='eu']            { --kia-fill: var(--kia-eu); }
.kia-actor-box[data-ebene='bund']          { --kia-fill: var(--kia-bund); }
.kia-actor-box[data-ebene='land']          { --kia-fill: var(--kia-land); }
.kia-actor-box[data-ebene='kommune']       { --kia-fill: var(--kia-kommune); }
.kia-actor-box[data-ebene='forschung']     { --kia-fill: var(--kia-forschung); }
.kia-actor-box[data-ebene='wirtschaft']    { --kia-fill: var(--kia-wirtschaft); }
.kia-actor-box[data-ebene='ngo']           { --kia-fill: var(--kia-ngo); }

.kia-actor-box:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md, 0 4px 12px rgba(0,0,0,.12));
}
.kia-actor-box:focus-visible {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 35%, transparent);
}
.kia-actor-box.is-active {
  transform: translateY(-1px);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 45%, transparent), var(--shadow-md, 0 4px 12px rgba(0,0,0,.16));
}
.kia-actor-box.is-dimmed {
  opacity: .25;
}
.kia-actor-box.is-hover-linked {
  outline: 2px solid color-mix(in srgb, var(--kia-fill) 70%, transparent);
  outline-offset: 1px;
}
.kia-actor-box.is-search-match {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}
.kia-mitmach-dots {
  position: absolute;
  bottom: 3px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  gap: 3px;
}
.kia-mitmach-dots .kia-dot {
  width: 5px;
  height: 5px;
  border: 1px solid rgba(255,255,255,.45);
}

/* ===== DARK MODE: OUTLINE variant for boxes ===== */
[data-theme='dark'] .kia-actor-box {
  background: transparent;
  color: var(--kia-fill);
  border-color: var(--kia-fill);
}
/* lighten the layer hues a touch in dark mode for legibility on dark bg */
[data-theme='dark'] .kia-page {
  --kia-international: #6c7fb8;
  --kia-nato:          #5e94d6;
  --kia-eu:            #7aa0ff;
  --kia-bund:          #f0a266;
  --kia-land:          #d4677f;
  --kia-kommune:       #b1546b;
  --kia-forschung:     #4fb8ad;
  --kia-wirtschaft:    #a78bfa;
  --kia-ngo:           #34d399;
}
[data-theme='dark'] .kia-actor-box.is-active {
  background: color-mix(in srgb, var(--kia-fill) 18%, transparent);
}
[data-theme='dark'] .kia-actor-box.is-hover-linked {
  background: color-mix(in srgb, var(--kia-fill) 10%, transparent);
}
[data-theme='dark'] .kia-mitmach-dots .kia-dot {
  border-color: color-mix(in srgb, var(--kia-fill) 50%, transparent);
}
/* Swatches in legend stay filled in dark for clarity */
[data-theme='dark'] .kia-swatch[data-ebene='international'] { background: var(--kia-international); }
[data-theme='dark'] .kia-swatch[data-ebene='nato']          { background: var(--kia-nato); }
[data-theme='dark'] .kia-swatch[data-ebene='eu']            { background: var(--kia-eu); }
[data-theme='dark'] .kia-swatch[data-ebene='bund']          { background: var(--kia-bund); }
[data-theme='dark'] .kia-swatch[data-ebene='land']          { background: var(--kia-land); }
[data-theme='dark'] .kia-swatch[data-ebene='kommune']       { background: var(--kia-kommune); }
[data-theme='dark'] .kia-swatch[data-ebene='forschung']     { background: var(--kia-forschung); }
[data-theme='dark'] .kia-swatch[data-ebene='wirtschaft']    { background: var(--kia-wirtschaft); }
[data-theme='dark'] .kia-swatch[data-ebene='ngo']           { background: var(--kia-ngo); }

/* ---------- Tooltip / detail card ---------- */
.kia-tooltip {
  position: fixed;
  z-index: 1000;
  max-width: 380px;
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg, 0 10px 30px rgba(0,0,0,.18));
  padding: var(--sp-4);
  font-size: var(--text-sm);
  line-height: 1.5;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-2px);
  transition: opacity .12s ease, transform .12s ease;
}
.kia-tooltip.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.kia-tooltip.is-detail {
  pointer-events: auto;
  max-width: 420px;
}

.kia-tooltip-close {
  position: absolute;
  top: 6px;
  right: 8px;
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--color-text-faint);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  border-radius: var(--radius-full);
}
.kia-tooltip-close:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.kia-tooltip-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 2px;
  letter-spacing: -.005em;
}
.kia-tooltip-acronym {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: var(--sp-1);
}
.kia-tooltip-cats {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-bottom: var(--sp-1);
}
.kia-tooltip-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.kia-tooltip-hint {
  margin-top: var(--sp-2);
  font-size: 10px;
  color: var(--color-text-faint);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.kia-tooltip-head {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-2);
  padding-right: var(--sp-6);
}
.kia-ebene-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #fff;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}
[data-theme='dark'] .kia-ebene-tag {
  background: transparent !important;
  color: var(--kia-fill, var(--color-text));
  border: 1px solid currentColor;
}
.kia-acronym-tag {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: .04em;
}
.kia-tooltip-fullname {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.2;
  margin-bottom: var(--sp-3);
}
.kia-tooltip-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: var(--sp-3);
}
.kia-tooltip-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2) var(--sp-3);
  margin-bottom: var(--sp-3);
}
.kia-block {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.kia-block strong {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.kia-tag {
  display: inline-block;
  font-size: 11px;
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-full);
  padding: 2px 8px;
  margin: 2px 4px 2px 0;
}
.kia-mitmach-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.kia-mitmach-row > span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.kia-mitmach-detail {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--sp-1);
  line-height: 1.45;
}
.kia-verbindungen-block {
  border-top: 1px solid var(--color-divider);
  padding-top: var(--sp-2);
  margin-bottom: var(--sp-3);
}
.kia-verbindungen-block strong {
  display: block;
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--sp-1);
}
.kia-verbindungen-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.kia-verbindungen-list li {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-surface-2);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-sm);
  padding: 3px 7px;
  cursor: pointer;
  transition: border-color .12s ease, color .12s ease;
}
.kia-verbindungen-list li:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.kia-website-link {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  letter-spacing: .04em;
}
.kia-website-link:hover { color: var(--color-accent-hover); text-decoration: underline; }

/* ---------- Empty state ---------- */
.kia-empty {
  text-align: center;
  color: var(--color-text-faint);
  font-size: var(--text-sm);
  padding: var(--sp-8) var(--sp-4);
}
.kia-empty.is-hidden { display: none; }

/* ---------- Export mode (hides chrome for html2canvas) ---------- */
body.kia-exporting .kia-toolbar,
body.kia-exporting .kia-legend-details,
body.kia-exporting .kia-hint,
body.kia-exporting .kia-tooltip {
  visibility: hidden;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .kia-ebene-row {
    grid-template-columns: 1fr;
    gap: var(--sp-2);
  }
  .kia-ebene-label {
    writing-mode: horizontal-tb;
    transform: none;
    border-left: none;
    border-bottom: 1px solid var(--color-divider);
    text-align: left;
    padding: 0 0 var(--sp-1) 0;
    margin-right: 0;
    justify-content: flex-start;
    white-space: normal;
  }
  .kia-action-group { margin-left: 0; }
}
@media (max-width: 600px) {
  .kia-actor-box {
    min-width: 50px;
    max-width: 120px;
    font-size: 10px;
    padding: 5px 7px 12px;
  }
  .kia-tooltip { max-width: calc(100vw - var(--sp-6)); }
  .kia-tooltip-grid { grid-template-columns: 1fr; }
}