:root {
  --color-bg: #08090a;
  --color-surface: #101214;
  --color-surface-alt: #171a1d;
  --color-border: #2a2d31;
  --color-text: #f5f3ef;
  --color-muted: #a0a0a0;
  --color-faint: #6b6b6b;
  --color-primary: #f95e00;
  --color-primary-ink: #08090a;
  --color-piece: #1a1d21;
  --color-piece-stroke: #3a3f46;
  --color-piece-open: #2a3038;
  --color-outline: #f95e00;
  --color-label: #f5f3ef;
  --shadow-lift: 0 14px 26px rgba(0, 0, 0, 0.72);
  --font-display: Inter, Arial, system-ui, sans-serif;
  --font-body: Inter, Arial, system-ui, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: 1.75rem;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-interactive: 180ms var(--ease-out);
}


html,
body {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  overflow: hidden;
}

.skip {
  position: absolute;
  left: var(--space-4);
  top: var(--space-3);
  z-index: 40;
  padding: var(--space-2) var(--space-3);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  text-decoration: none;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transform: translateY(-160%);
}

.skip:focus {
  transform: none;
}

.mast {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding: max(0.7rem, env(safe-area-inset-top)) max(var(--space-5), env(safe-area-inset-right)) 0.7rem max(var(--space-5), env(safe-area-inset-left));
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  flex: 0 0 auto;
}

.install {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 0.55rem max(var(--space-5), env(safe-area-inset-right)) 0.55rem max(var(--space-5), env(safe-area-inset-left));
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: var(--text-sm);
  flex: 0 0 auto;
}

.install[hidden] {
  display: none;
}

.install button {
  min-height: 44px;
  padding: 0 0.8rem;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: transparent;
  white-space: nowrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
  color: inherit;
  text-decoration: none;
}

.webgl-fallback { width:min(100%,760px); margin:auto; display:grid; grid-template-columns:minmax(220px,.8fr) minmax(260px,1.2fr); align-items:center; gap:2rem; padding:2rem; color:var(--color-text); background:var(--color-surface); border:1px solid var(--color-border); }
.webgl-fallback img { width:100%; height:auto; border:1px solid var(--color-border); }
.webgl-fallback h2 { margin:0 0 .8rem; font-family:var(--font-display); font-size:clamp(1.6rem,3vw,2.4rem); }
.webgl-fallback p { margin:0 0 1rem; color:var(--color-muted); line-height:1.65; }
.webgl-fallback ul { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:.45rem 1rem; margin:0; padding:0; list-style:none; }
.webgl-fallback li { color:var(--color-muted); font-size:var(--text-xs); }
.webgl-fallback li a { display:flex; gap:.45rem; min-height:36px; align-items:center; color:inherit; text-decoration:none; }
.webgl-fallback li b { color:var(--color-primary); }
.webgl-fallback li span { line-height:1.25; }
.webgl-fallback__actions { display:flex; flex-wrap:wrap; align-items:center; gap:.7rem 1rem; margin-top:1.25rem; }
.webgl-fallback__actions a { color:var(--color-primary); font-size:var(--text-sm); font-weight:700; text-decoration:none; }
.webgl-fallback__actions .webgl-fallback__primary { display:inline-flex; align-items:center; justify-content:center; min-height:44px; padding:0 .9rem; border:1px solid var(--color-primary); background:var(--color-primary); color:var(--color-primary-ink); }
.webgl-fallback--noscript { grid-template-columns:1fr; text-decoration:none; }
.webgl-fallback--noscript span { color:var(--color-primary); font-weight:700; }

.logo {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(255, 90, 0, 0.35), 0 0 18px rgba(255, 90, 0, 0.14);
}

.logo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.12);
}

.wordmark {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 1;
}

.wordmark strong {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.wordmark strong .six {
  color: var(--color-primary);
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
}

.wordmark > span {
  font-size: 0.62rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-top: 0.36rem;
}

.seg-hint {
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  white-space: nowrap;
  transition: opacity 0.6s ease;
}

.seg-hint::after {
  content: " \2192";
  color: var(--color-primary);
}

.seg-hint[hidden] {
  display: none;
}

body.hint-out .seg-hint {
  opacity: 0;
}

.mast-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
}

.seg {
  display: inline-flex;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  overflow: hidden;
  background: var(--color-surface);
}

.seg button {
  padding: 0.45rem 0.7rem;
  min-height: 44px;
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.seg button[aria-pressed="false"] {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.seg button[aria-pressed="true"] {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

.icon-btn {
  min-width: 76px;
  min-height: 44px;
  padding-inline: 0.9rem;
  white-space: nowrap;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text);
  background: var(--color-surface);
}

.icon-btn[aria-pressed="true"] {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.stage {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(280px, 1.05fr) minmax(300px, 0.95fr);
  min-height: 0;
  overflow: hidden;
}

.map-col {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  padding: var(--space-3) var(--space-5) var(--space-4);
}

.map-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2vw, 1.85rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.counter {
  font-size: var(--text-sm);
  color: var(--color-muted);
  white-space: nowrap;
}

.stage-3d {
  position: relative;
  flex: 1;
  min-height: 280px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  touch-action: none;
}

.stage-3d canvas {
  width: 100%;
  height: 100%;
  max-width: none;
  display: block;
}

.label-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.label3d {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
  color: var(--color-label);
  font-family: var(--font-display);
  text-align: center;
  white-space: nowrap;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.65);
  pointer-events: none;
  user-select: none;
}

.label3d b {
  font-size: 11px;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.label3d span {
  font-size: 10px;
  font-weight: 500;
  color: #c8c6c1;
}

.label3d.is-open {
  background: rgba(10, 11, 12, 0.82);
  border: 1px solid rgba(249, 94, 0, 0.65);
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.45rem;
  text-shadow: none;
}

.label3d.is-nachbar {
  color: rgba(249, 94, 0, 0.9);
}

.label3d.is-nachbar b {
  color: rgba(255, 179, 122, 0.95);
}

.label3d.is-open b {
  color: #ffb37a;
}

.label3d.is-open span {
  color: #f5f3ef;
}






.map-wrap {
  position: relative;
  flex: 1;
  min-height: 0;
}

#landkarte {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.outline {
  fill: none;
  stroke: var(--color-outline);
  stroke-width: 2.4;
  pointer-events: none;
}

.piece {
  cursor: pointer;
  outline: none;
  -webkit-tap-highlight-color: transparent;
}

.piece:focus,
.piece:focus-visible {
  outline: none;
}

.piece .fill {
  fill: var(--color-piece);
  stroke: var(--color-piece-stroke);
  stroke-width: 1.15;
  transition:
    fill 220ms var(--ease-out),
    stroke 220ms var(--ease-out),
    stroke-width 220ms var(--ease-out);
}

.piece .code,
.piece .short {
  fill: var(--color-label);
  font-family: var(--font-display);
  text-anchor: middle;
  pointer-events: none;
}

.piece .code {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.piece .short {
  font-size: 10.5px;
  font-weight: 500;
  fill: #c8c6c1;
}

html[data-view="taceval"] .piece .short {
  font-size: 9.25px;
}

.piece:hover .fill,
.piece:focus-visible .fill {
  fill: var(--color-piece-open);
  stroke: var(--color-primary);
}

.piece:focus-visible .fill {
  stroke-width: 2;
}

.piece.is-open {
  filter: drop-shadow(var(--shadow-lift));
}

.piece.is-open .fill {
  fill: var(--color-piece-open);
  stroke: var(--color-primary);
  stroke-width: 2.6;
}

.piece.is-open .code {
  fill: var(--color-primary);
}

.piece.is-open .short {
  fill: var(--color-label);
}

@media (prefers-reduced-motion: no-preference) {
  .piece {
    transition: transform 280ms var(--ease-out);
  }

  .piece.is-open {
    transform: translate(-6px, -14px);
  }
}

.legend {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2) var(--space-4);
  align-items: start;
  margin-top: var(--space-4);
}

.leg-head {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.leg-head i {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.leg-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 0.7rem;
  margin: 0;
  font-size: var(--text-xs);
  color: var(--color-faint);
}

.leg-item b {
  color: var(--color-text);
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-right: 0.2rem;
}

.note {
  margin-top: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-faint);
  max-width: 48ch;
}

.panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-left: 1px solid var(--color-border);
  background: var(--color-surface);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5) var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.panel-head h2 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
}

.cover-all {
  min-height: 44px;
  padding: 0 var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
}

.cover-all:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.view-hint {
  margin: 0.2rem 0 0;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

html[data-view="intern"] .view-seg {
  border-color: var(--color-primary);
}

html[data-view="intern"] .panel {
  box-shadow: inset 3px 0 0 var(--color-primary);
}

html[data-shape="cube"] .view-seg {
  border-color: var(--color-primary);
}

html[data-shape="cube"] .panel {
  box-shadow: inset 3px 0 0 var(--color-primary);
}

.cards {
  flex: 1;
  overflow: auto;
  padding: var(--space-4) var(--space-5) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.empty {
  margin: auto 0;
  color: var(--color-muted);
  max-width: 36ch;
}

.empty strong {
  display: block;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  padding: var(--space-4);
}

.card header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.card .code {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  color: var(--color-primary);
  font-weight: 700;
}

.card h3 {
  font-size: var(--text-base);
  font-weight: 600;
}

.close-piece {
  min-width: 36px;
  min-height: 36px;
  color: var(--color-muted);
  font-size: 1.2rem;
  line-height: 1;
}

.satz {
  font-size: var(--text-sm);
  margin-bottom: var(--space-3);
}

.q {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: 0 0 var(--space-3);
  padding: 0;
  list-style: none;
}

.q li {
  position: relative;
  padding-left: 1.1rem;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.q li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

.meta {
  display: grid;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-muted);
}

.meta b {
  display: block;
  color: var(--color-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.eval {
  margin-top: var(--space-1);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.eval b,
.voll b {
  display: block;
  color: var(--color-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  font-size: var(--text-xs);
  margin-bottom: 0.2rem;
}

.eval-name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 0.25rem;
}

.eval p:last-child {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.voll {
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  background: var(--color-surface-alt);
}

.koppel-list {
  list-style: none;
  margin: 0.35rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.koppel-list li {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.koppel-list button {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  border: 1px solid rgba(249, 94, 0, 0.45);
  border-radius: 999px;
  background: rgba(249, 94, 0, 0.08);
  color: var(--color-text);
  padding: 0.16rem 0.55rem;
  cursor: pointer;
  font: inherit;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.koppel-list button:hover,
.koppel-list button:focus-visible {
  background: rgba(249, 94, 0, 0.18);
  border-color: rgba(249, 94, 0, 0.75);
}

.koppel-list button b {
  display: inline;
  margin: 0;
  color: var(--color-primary);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: none;
}

.koppel-list button span {
  font-size: var(--text-xs);
  color: var(--color-muted);
}

.koppel-list em {
  font-style: normal;
  font-size: var(--text-xs);
  color: var(--color-muted);
}

.combo {
  margin: 0 0 0.5rem;
}

.combo b {
  color: var(--color-primary);
}

.combo span {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.voll p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-muted);
  max-width: 46ch;
}

@media (max-width: 900px) {
  html,
  body {
    height: auto;
    overflow: auto;
  }

  .stage {
    grid-template-columns: 1fr;
    overflow: visible;
  }

  .panel {
    border-left: 0;
    border-top: 1px solid var(--color-border);
    min-height: 42dvh;
    padding-bottom: env(safe-area-inset-bottom);
  }

  .map-wrap,
  .stage-3d {
    min-height: 58dvh;
  }

  .mast {
    flex-direction: column;
    align-items: stretch;
  }

  .mast-tools {
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  .mast,
  .map-col,
  .panel-head,
  .cards {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .seg button {
    padding-inline: 0.55rem;
    letter-spacing: 0.01em;
  }

  .webgl-fallback { grid-template-columns:1fr; padding:1rem; }
  .webgl-fallback--mobile { width:100%; border:0; }
  .webgl-fallback ul { grid-template-columns:1fr; }
}

.map-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.voll-btn {
  display: none;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-muted);
  background: transparent;
  transition: color var(--transition-interactive), border-color var(--transition-interactive);
}

html[data-shape="cube"] .voll-btn {
  display: inline-flex;
}

.voll-btn:hover {
  color: var(--color-text);
  border-color: var(--color-faint);
}

.voll-btn[aria-pressed="true"] {
  color: var(--color-primary-ink);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.2rem;
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.checklist li {
  padding-left: 0.9rem;
  position: relative;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 1px;
  background: var(--color-primary);
}

.deflist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.deflist li {
  display: grid;
  gap: 0.1rem;
}

.deflist li b {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0;
  text-transform: none;
}

.deflist li span {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.deflist-tight {
  gap: 0.3rem;
}

.deflist-tight li {
  grid-template-columns: 4.6rem 1fr;
  gap: 0.5rem;
  align-items: baseline;
}

.deflist-tight li b {
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-primary);
}

.card-voll {
  border-color: rgba(249, 94, 0, 0.4);
}

.voll-link {
  margin-top: var(--space-3);
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--color-primary);
  border-radius: 999px;
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-primary);
  background: transparent;
}

.voll-link:hover {
  color: var(--color-primary-ink);
  background: var(--color-primary);
}