:root {
  --bg: #0c1231;
  --ink: #fcfffc;
  --ink-2: #b8bcba;
  --ink-3: #808484;
  --line: rgba(252, 255, 252, 0.12);
  --glass: rgba(27, 32, 33, 0.78);
  --glass-2: rgba(27, 32, 33, 0.6);
  --accent: #53ff45;
  --drives: #8ecbff;
  --amplifies: #ffb35c;
  --blocks: #ff4d6d;
  --tradeoff: #c9a7ff;
  --radius: 14px;
  --font: "Inter", system-ui, -apple-system, sans-serif;
  --display: "Space Grotesk", var(--font);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  font: 13px/1.5 var(--font);
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
  color: inherit;
}

#stage {
  position: fixed;
  inset: 0;
}

#stage canvas {
  display: block;
  touch-action: none;
}

#labels {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

/* ---------- glass panels ---------- */

.glass {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(16px) saturate(1.3);
  -webkit-backdrop-filter: blur(16px) saturate(1.3);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

#side {
  position: fixed;
  top: 16px;
  left: 16px;
  width: 300px;
  max-height: calc(100vh - 32px);
  display: flex;
  flex-direction: column;
  z-index: 10;
}

.side-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 16px 16px 10px;
}

h1 {
  margin: 0;
  font: 600 18px/1.2 var(--display);
  letter-spacing: 0.01em;
  background: linear-gradient(90deg, #fcfffc, #53ff45);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.side-body {
  overflow-y: auto;
  padding: 0 16px 16px;
  scrollbar-width: thin;
  scrollbar-color: rgba(252, 255, 252, 0.2) transparent;
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--glass-2);
  cursor: pointer;
  flex: none;
}

.icon-btn:hover {
  border-color: rgba(252, 255, 252, 0.35);
}

#sideToggle {
  display: none;
}

.counts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-bottom: 12px;
}

.counts div {
  padding: 8px 6px;
  border-radius: 10px;
  background: var(--glass-2);
  border: 1px solid var(--line);
  text-align: center;
}

.counts b {
  display: block;
  font: 600 17px/1.1 var(--display);
}

.counts span {
  font-size: 10.5px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ---------- search ---------- */

.search {
  position: relative;
  margin-bottom: 8px;
}

.search input {
  width: 100%;
  padding: 9px 34px 9px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(12, 18, 49, 0.6);
  outline: none;
}

.search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(83, 255, 69, 0.15);
}

.search kbd {
  position: absolute;
  right: 9px;
  top: 8px;
}

kbd {
  display: inline-block;
  padding: 0 5px;
  border-radius: 4px;
  border: 1px solid var(--line);
  font: 500 10.5px/16px var(--font);
  color: var(--ink-3);
}

.results {
  list-style: none;
  margin: 4px 0 0;
  padding: 4px;
  border-radius: 10px;
  background: rgba(27, 32, 33, 0.96);
  border: 1px solid var(--line);
  max-height: 280px;
  overflow-y: auto;
  display: none;
}

.results.open {
  display: block;
}

.results li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 7px;
  cursor: pointer;
}

.results li.active,
.results li:hover {
  background: rgba(83, 255, 69, 0.1);
}

.results small {
  margin-left: auto;
  color: var(--ink-3);
  font-size: 10.5px;
  white-space: nowrap;
}

/* ---------- details sections ---------- */

details {
  border-top: 1px solid var(--line);
  padding: 10px 0 4px;
}

summary {
  cursor: pointer;
  list-style: none;
  font: 600 11px/1 var(--font);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  padding-bottom: 8px;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  float: right;
}

details[open] summary::after {
  content: "\2212";
}

.dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex: none;
  box-shadow: 0 0 8px currentColor;
}

.cluster-list,
.link-types {
  list-style: none;
  margin: 0;
  padding: 0;
}

.cluster-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 4px 4px 6px;
  border-radius: 8px;
}

.cluster-list li:hover {
  background: rgba(252, 255, 252, 0.06);
}

.cluster-list li.off {
  opacity: 0.4;
}

.cluster-list .name {
  flex: 1;
  text-align: left;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

.cluster-list .n {
  color: var(--ink-3);
  font-size: 11px;
}

.eye {
  width: 24px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 0;
  background: none;
  cursor: pointer;
  color: var(--ink-3);
  border-radius: 6px;
}

.eye:hover {
  color: var(--ink);
  background: rgba(252, 255, 252, 0.08);
}

.link-types li label {
  display: grid;
  grid-template-columns: 16px 26px 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 4px 4px 4px 2px;
  cursor: pointer;
}

.link-types input,
.toggle input {
  accent-color: var(--accent);
  margin: 0;
}

.swatch {
  height: 3px;
  border-radius: 2px;
  box-shadow: 0 0 8px currentColor;
}

.link-types small {
  display: block;
  color: var(--ink-3);
  font-size: 11px;
  line-height: 1.3;
}

.link-types .n {
  color: var(--ink-3);
  font-size: 11px;
}

.view-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  color: var(--ink-2);
}

.seg {
  display: inline-flex;
  padding: 2px;
  border-radius: 8px;
  background: rgba(12, 18, 49, 0.6);
  border: 1px solid var(--line);
}

.seg button {
  border: 0;
  background: none;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  color: var(--ink-2);
}

.seg button.on {
  background: rgba(83, 255, 69, 0.16);
  color: var(--ink);
}

.sev-legend {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 10px;
  font-size: 11px;
  color: var(--ink-3);
}

.sev-legend .bar {
  flex: 1;
  height: 6px;
  border-radius: 3px;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 3px 0;
  color: var(--ink-2);
  cursor: pointer;
}

.btn-row {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.btn {
  flex: 1;
  padding: 7px 10px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: var(--glass-2);
  cursor: pointer;
}

.btn:hover {
  border-color: rgba(252, 255, 252, 0.4);
}

/* ---------- detail panel ---------- */

#panel {
  position: fixed;
  top: 16px;
  right: 16px;
  width: 380px;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  padding: 18px 18px 20px;
  z-index: 10;
  scrollbar-width: thin;
  scrollbar-color: rgba(252, 255, 252, 0.2) transparent;
  animation: slide-in 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes slide-in {
  from {
    opacity: 0;
    transform: translateX(16px);
  }
}

#panel .close {
  position: absolute;
  top: 14px;
  right: 14px;
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  padding-right: 36px;
  font-size: 11px;
  color: var(--ink-3);
}

.crumbs button {
  border: 0;
  background: none;
  padding: 0;
  cursor: pointer;
  color: var(--ink-2);
}

.crumbs button:hover {
  color: var(--ink);
  text-decoration: underline;
}

.kind {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  font: 600 10.5px/1 var(--font);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

#panel h2 {
  margin: 6px 0 8px;
  font: 600 21px/1.2 var(--display);
}

#panel h3 {
  margin: 18px 0 8px;
  font: 600 11px/1 var(--font);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-3);
}

#panel p {
  margin: 0 0 8px;
  color: var(--ink-2);
}

.sev {
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.sev i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(252, 255, 252, 0.15);
}

.sev-line {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 11.5px;
  color: var(--ink-3);
}

.stat {
  margin: 12px 0 4px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(83, 255, 69, 0.08), rgba(252, 255, 252, 0.03));
}

.stat strong {
  display: block;
  font: 600 15px/1.35 var(--display);
  color: var(--ink);
}

.stat a,
.stat span {
  display: inline-block;
  margin-top: 6px;
  font-size: 11px;
  color: var(--ink-3);
}

.stat a {
  color: var(--accent);
  text-decoration: none;
}

.stat a:hover {
  text-decoration: underline;
}

.children {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.children li {
  padding: 8px 10px;
  border-radius: 10px;
  background: var(--glass-2);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: border-color 0.15s;
}

.children li:hover {
  border-color: rgba(252, 255, 252, 0.4);
}

.children .row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.children .row b {
  font-weight: 600;
  flex: 1;
}

.children .row small {
  color: var(--ink-3);
  font-size: 11px;
  white-space: nowrap;
}

.children p {
  margin: 4px 0 0 !important;
  font-size: 12px;
}

.links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.links li {
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--line);
  border-left-width: 3px;
  background: rgba(12, 18, 49, 0.4);
  cursor: pointer;
}

.links li:hover {
  background: rgba(252, 255, 252, 0.07);
}

.links .head {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
}

.links .head b {
  font-weight: 600;
}

.pill {
  font: 600 10px/1 var(--font);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 6px;
  border-radius: 999px;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.lt-drives {
  color: var(--drives);
  border-left-color: var(--drives) !important;
}

.lt-amplifies {
  color: var(--amplifies);
  border-left-color: var(--amplifies) !important;
}

.lt-blocks {
  color: var(--blocks);
  border-left-color: var(--blocks) !important;
}

.lt-tradeoff {
  color: var(--tradeoff);
  border-left-color: var(--tradeoff) !important;
}

.links .why {
  margin: 5px 0 0 !important;
  font-size: 12px;
}

.links .via {
  margin: 2px 0 0 !important;
  font-size: 11px;
  color: var(--ink-3) !important;
}

.links .where {
  color: var(--ink-3);
  font-size: 11px;
}

.bars {
  display: grid;
  gap: 5px;
}

.bars button {
  display: grid;
  grid-template-columns: 96px 1fr 26px;
  align-items: center;
  gap: 8px;
  border: 0;
  background: none;
  padding: 2px 0;
  cursor: pointer;
  text-align: left;
  font-size: 12px;
  color: var(--ink-2);
}

.bars button:hover {
  color: var(--ink);
}

.bars .track {
  height: 8px;
  border-radius: 4px;
  background: rgba(252, 255, 252, 0.08);
  overflow: hidden;
}

.bars .fill {
  height: 100%;
  border-radius: 4px;
}

.bars .v {
  text-align: right;
  color: var(--ink-3);
  font-size: 11px;
}

.grid4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin: 12px 0 4px;
}

.grid4 div {
  padding: 8px 4px;
  text-align: center;
  border-radius: 10px;
  background: var(--glass-2);
  border: 1px solid var(--line);
}

.grid4 b {
  display: block;
  font: 600 18px/1.1 var(--display);
}

.grid4 span {
  font-size: 10px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.matrix {
  display: grid;
  grid-template-columns: 78px repeat(10, 1fr);
  gap: 2px;
  font-size: 10.5px;
}

.matrix .corner {
  color: var(--ink-3);
  font-size: 9.5px;
  line-height: 1.1;
  align-self: end;
}

.matrix .ch {
  display: grid;
  place-items: center;
  height: 18px;
}

.matrix .rh {
  display: flex;
  align-items: center;
  gap: 5px;
  border: 0;
  background: none;
  padding: 0;
  cursor: pointer;
  color: var(--ink-2);
  font-size: 10.5px;
  white-space: nowrap;
  overflow: hidden;
}

.matrix .rh:hover {
  color: var(--ink);
}

.matrix .c {
  aspect-ratio: 1;
  border-radius: 3px;
  display: grid;
  place-items: center;
  font-size: 9.5px;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(252, 255, 252, 0.04);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--glass-2);
  cursor: pointer;
  font-size: 12px;
}

.chip:hover {
  border-color: rgba(252, 255, 252, 0.4);
}

.method {
  font-size: 12px;
}

/* ---------- 3D labels ---------- */

.lbl {
  pointer-events: auto;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.25s;
  user-select: none;
  text-shadow: 0 0 6px rgba(0, 0, 0, 0.9), 0 0 2px rgba(0, 0, 0, 1);
}

.lbl-0 {
  font: 700 15px/1 var(--display);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #fcfffc;
}

.lbl-1 {
  font: 600 12.5px/1 var(--display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(12, 18, 49, 0.55);
  border: 1px solid currentColor;
}

.lbl-2 {
  font: 500 12px/1.2 var(--font);
  color: #fcfffc;
}

.lbl-3 {
  font: 400 10.5px/1.2 var(--font);
  color: #b8bcba;
}

.lbl.hl {
  color: #fcfffc;
  font-weight: 600;
}

/* ---------- tooltip, hint, loading ---------- */

#tip {
  position: fixed;
  z-index: 20;
  pointer-events: none;
  max-width: 260px;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(27, 32, 33, 0.92);
  border: 1px solid var(--line);
  font-size: 12px;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.12s, transform 0.12s;
}

#tip.on {
  opacity: 1;
  transform: none;
}

#tip b {
  display: block;
  font-weight: 600;
}

#tip small {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 3px;
  color: var(--ink-3);
}

#hint {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(27, 32, 33, 0.7);
  border: 1px solid var(--line);
  color: var(--ink-3);
  font-size: 12px;
  pointer-events: none;
  transition: opacity 0.6s;
  z-index: 5;
}

#hint.gone {
  opacity: 0;
}

#loading {
  position: fixed;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 14px;
  background: radial-gradient(circle at 50% 40%, #1b2021, var(--bg) 70%);
  color: var(--ink-2);
  z-index: 50;
  transition: opacity 0.8s;
}

#loading.done {
  opacity: 0;
  pointer-events: none;
}

#loading .pulse {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  animation: pulse 1.4s ease-in-out infinite;
}

#loading.err .pulse {
  display: none;
}

@keyframes pulse {
  50% {
    transform: scale(0.6);
    opacity: 0.4;
  }
}

/* ---------- small screens ---------- */

@media (max-width: 760px) {
  #side {
    top: 10px;
    left: 10px;
    right: 10px;
    width: auto;
    max-height: 60vh;
  }

  #sideToggle {
    display: grid;
  }

  #side.collapsed .side-body {
    display: none;
  }

  .side-head {
    padding: 10px 12px;
  }

  h1 {
    font-size: 16px;
  }

  #panel {
    top: auto;
    bottom: 10px;
    left: 10px;
    right: 10px;
    width: auto;
    max-height: 52vh;
    animation-name: slide-up;
  }

  @keyframes slide-up {
    from {
      opacity: 0;
      transform: translateY(16px);
    }
  }

  #hint {
    display: none;
  }

  .lbl-2 {
    font-size: 11px;
  }

  .lbl-1 {
    font-size: 10.5px;
  }
}