:root {
  color-scheme: dark;
  --bg: #041017;
  --panel: rgba(10, 24, 31, 0.92);
  --panel-border: rgba(123, 179, 168, 0.18);
  --text: #ebfff8;
  --muted: #9ec4bd;
  --accent: #73f0a8;
  --accent-strong: #b7ff87;
  --danger: #ff8d7a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --font-display: "Segoe UI", "Helvetica Neue", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-display);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(115, 240, 168, 0.12), transparent 25%),
    radial-gradient(circle at bottom right, rgba(183, 255, 135, 0.12), transparent 30%),
    linear-gradient(180deg, #07131a 0%, #02080d 100%);
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(320px, 380px) 1fr;
  gap: 20px;
  padding: 20px;
  align-items: start;
}

.control-panel,
.viewport-panel {
  border: 1px solid var(--panel-border);
  background: var(--panel);
  backdrop-filter: blur(12px);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.control-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
}

.viewport-panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 20px;
}

@media (min-width: 981px) {
  .control-panel {
    position: sticky;
    top: 20px;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
    scrollbar-gutter: stable;
  }

  .viewport-panel {
    position: sticky;
    top: 20px;
    height: calc(100vh - 40px);
  }
}

.viewport-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 16px;
}

.simulation-control-block {
  background: linear-gradient(135deg, rgba(115, 240, 168, 0.15), rgba(73, 132, 255, 0.08));
}

.sidebar-brain h3 {
  margin-top: 0;
  font-size: 0.82rem;
  color: #ffbd73;
}

.sidebar-brain .live-brain-content svg {
  height: 125px;
}

.live-brain-panel {
  display: grid;
  grid-template-columns: minmax(190px, 0.4fr) minmax(280px, 1fr) minmax(210px, 0.45fr);
  gap: 16px;
  align-items: center;
  margin-bottom: 16px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 159, 67, 0.26);
  border-radius: 16px;
  background: linear-gradient(90deg, rgba(255, 159, 67, 0.1), rgba(73, 132, 255, 0.08));
}

.live-brain-panel h3 {
  margin: 0;
  font-size: 0.95rem;
}

.brain-help {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.8rem;
}

.brain-help summary {
  cursor: pointer;
  color: #ffbd73;
}

.brain-help p {
  margin: 6px 0 0;
  line-height: 1.4;
}

.live-brain-content {
  min-height: 135px;
}

.phenotype-legend {
  align-self: stretch;
  padding-left: 14px;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.phenotype-legend .eyebrow {
  margin-bottom: 7px;
}

.phenotype-item {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 5px 0;
  color: var(--muted);
  font-size: 0.73rem;
}

.phenotype-sample {
  position: relative;
  display: inline-block;
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
}

.phenotype-sample.body,
.phenotype-sample.energy {
  border-radius: 50%;
  background: #ff9f43;
}

.phenotype-sample.compound::before,
.phenotype-sample.compound::after {
  content: "";
  position: absolute;
  background: #fff4a3;
  height: 2px;
  width: 16px;
  left: 2px;
  top: 9px;
  transform: rotate(32deg);
}

.phenotype-sample.compound::after { transform: rotate(-32deg); }

.phenotype-sample.compound i {
  position: absolute;
  width: 7px;
  height: 7px;
  border: 1px solid #fff4a3;
  border-radius: 50%;
  background: #ff9f43;
}

.phenotype-sample.compound i:nth-child(1) { left: 0; top: 6px; }
.phenotype-sample.compound i:nth-child(2) { right: 0; top: 2px; }
.phenotype-sample.compound i:nth-child(3) { right: 0; bottom: 2px; }
.phenotype-sample.facet { background: rgba(255, 244, 163, 0.45); clip-path: polygon(50% 0, 100% 100%, 0 100%); border: 1px solid #fff4a3; }

.phenotype-sample.energy { box-shadow: 0 0 10px rgba(255, 244, 163, 0.95); }
.phenotype-sample.persistence { border: 4px solid #ff9f43; border-radius: 50%; }
.phenotype-sample.persistence::after { content: ""; position: absolute; inset: 5px; border: 1px solid #ebfff8; border-radius: 50%; }
.phenotype-sample.spatial { border-radius: 50%; background: #ff9f43; box-shadow: -8px 0 #7dff72, 8px 0 #7dff72, 0 -8px #7dff72, 0 8px #7dff72; }
.phenotype-sample.signal { border-radius: 50%; background: #ff9f43; box-shadow: 0 0 0 4px rgba(185, 107, 255, 0.7); }
.phenotype-sample.power { border: 2px solid #fff4a3; border-radius: 50%; box-shadow: 0 0 0 3px #ff9f43, 0 0 0 5px #fff4a3; }
.phenotype-sample.bond::before, .phenotype-sample.bond::after { content: ""; position: absolute; top: 8px; height: 3px; border-radius: 3px; background: #fff4a3; }
.phenotype-sample.bond::before { left: 0; width: 20px; }
.phenotype-sample.bond::after { width: 7px; height: 7px; top: 6px; left: 6px; border-radius: 50%; background: #ff9f43; }

.live-brain-content svg {
  display: block;
  width: 100%;
  height: 150px;
  min-height: 0;
}

.live-brain-content {
  justify-self: start;
  width: 100%;
}

.live-brain-content .brain-graph {
  margin: 0;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-size: 0.74rem;
}

h1,
h2,
.lede {
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 3vw, 2.7rem);
}

.project-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.guide-button {
  padding: 8px 12px;
  border-color: rgba(115, 240, 168, 0.4);
  color: var(--accent-strong);
  font-size: 0.82rem;
}

.guide-dialog {
  width: min(980px, calc(100vw - 32px));
  max-height: min(86vh, 900px);
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(115, 240, 168, 0.3);
  border-radius: 22px;
  color: var(--text);
  background: #08161d;
  box-shadow: 0 32px 120px rgba(0, 0, 0, 0.7);
}

.guide-dialog::backdrop {
  background: rgba(0, 8, 12, 0.78);
  backdrop-filter: blur(5px);
}

.guide-sheet {
  max-height: min(86vh, 900px);
  overflow: auto;
}

.guide-header {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 28px 18px;
  border-bottom: 1px solid rgba(115, 240, 168, 0.16);
  background: linear-gradient(120deg, #102a2a, #101c2c 70%, #18251e);
}

.guide-header h2 {
  margin: 0 0 8px;
  font-size: 1.4rem;
}

.guide-header p:not(.eyebrow) {
  max-width: 650px;
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.guide-close {
  height: fit-content;
  padding: 8px 12px;
}

.guide-content {
  display: grid;
  gap: 14px;
  padding: 22px 28px 30px;
}

.guide-content section {
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.025);
}

.guide-content h3 {
  margin: 0 0 8px;
  color: #ffbd73;
  font-size: 1rem;
}

.guide-content p,
.guide-content li {
  color: var(--muted);
  line-height: 1.55;
}

.guide-content p { margin: 8px 0; }
.guide-content ol { margin: 8px 0 0; padding-left: 24px; }
.guide-content code { color: #b7ff87; }

.guide-table {
  width: 100%;
  margin-top: 12px;
  border-collapse: collapse;
  font-size: 0.83rem;
}

.guide-table th,
.guide-table td {
  padding: 8px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  text-align: left;
  color: var(--muted);
}

.guide-table th { color: var(--text); }
.guide-table td:first-child { color: var(--accent-strong); font-weight: 700; }

.guide-key {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 14px;
  margin-top: 12px;
}

.guide-key > div {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.guide-key p { margin: 0; font-size: 0.82rem; }

.guide-swatch {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  border-radius: 4px;
}

.guide-swatch.signal { background: #a967e6; box-shadow: 0 0 10px rgba(185, 107, 255, 0.55); }
.guide-swatch.nutrient { background: #be9641; }
.guide-swatch.detritus { background: #7a5332; }
.guide-swatch.ash { background: #b4babe; }

h2 {
  font-size: 1rem;
  margin-bottom: 14px;
}

.lede {
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.5;
}

.panel-block {
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.02);
}

.sidebar-brain { border-color: rgba(255, 159, 67, 0.32); }
.sidebar-brain { background: linear-gradient(135deg, rgba(255, 159, 67, 0.1), rgba(73, 132, 255, 0.06)); }

.organism-key-panel {
  border-color: rgba(255, 244, 163, 0.24);
}

.sidebar-phenotype {
  padding: 8px 0 2px;
  border: 0;
}

.sidebar-phenotype .phenotype-item {
  font-size: 0.72rem;
  line-height: 1.25;
}

.intro-block p {
  margin: 0 0 10px;
  color: var(--muted);
  line-height: 1.5;
}

.intro-block p:last-child {
  margin-bottom: 0;
}

.intro-block .ecology-note {
  color: #ffbd73;
  font: 0.78rem ui-monospace, "Cascadia Code", monospace;
}

.genesis-block {
  background: linear-gradient(135deg, rgba(73, 132, 255, 0.12), rgba(115, 240, 168, 0.05));
}

.genesis-block .eyebrow {
  margin-bottom: 10px;
}

.genesis-block p:not(.eyebrow) {
  color: var(--muted);
  line-height: 1.5;
  margin: 0 0 10px;
}

.genesis-block p:last-child {
  margin-bottom: 0;
}

.generator-block {
  background: linear-gradient(135deg, rgba(255, 159, 67, 0.1), rgba(73, 132, 255, 0.08));
}

.generator-status,
.generator-note,
.generator-item p {
  color: var(--muted);
  line-height: 1.45;
}

.recipe-expression {
  margin: 0 0 12px;
  color: #ffbd73;
  font-family: ui-monospace, "Cascadia Code", monospace;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.genome-block {
  background: linear-gradient(135deg, rgba(255, 159, 67, 0.13), rgba(255, 244, 163, 0.05));
}

.genome-intro,
.genome-inspector p,
.genome-inspector li {
  color: var(--muted);
  line-height: 1.45;
}

.genome-intro {
  margin: 0 0 12px;
}

.genome-inspector {
  padding: 12px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.16);
}

.genome-inspector p {
  margin: 0 0 8px;
}

.genome-inspector h3 {
  margin: 12px 0 8px;
  font-size: 0.84rem;
}

.genome-inspector ul {
  margin: 0;
  padding-left: 18px;
}

.selected-organism {
  color: var(--text) !important;
  font-weight: 700;
}

.genome-expression {
  color: #ffbd73 !important;
  font-family: ui-monospace, "Cascadia Code", monospace;
  font-weight: 700;
}

.brain-status {
  color: #ffbd73 !important;
  font-size: 0.8rem;
}

.brain-output {
  color: var(--text) !important;
  font: 0.76rem ui-monospace, "Cascadia Code", monospace;
}

.perception-key {
  font-size: 0.78rem;
}

.perception-grid {
  display: grid;
  grid-template-columns: repeat(3, 34px);
  gap: 4px;
  margin-top: 8px;
}

.perception-grid span {
  display: grid;
  place-items: center;
  height: 28px;
  border-radius: 6px;
  background: rgba(73, 132, 255, 0.14);
  color: var(--text);
  font: 0.78rem ui-monospace, "Cascadia Code", monospace;
}

.perception-grid .perception-center {
  background: rgba(255, 159, 67, 0.22);
  color: #ffbd73;
}

.brain-graph {
  margin-top: 10px;
  padding: 8px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.24);
}

.brain-graph svg {
  display: block;
  width: 100%;
  height: 150px;
  min-height: 0;
  overflow: visible;
}

.brain-edge {
  stroke: rgba(235, 255, 248, 0.45);
  stroke-width: 1.2;
}

.brain-node circle {
  stroke: #07131a;
  stroke-width: 1.5;
}

.brain-node.sensor circle {
  fill: #7dff72;
}

.brain-node.prime-31.sensor circle {
  fill: #41c7c3;
}

.brain-node.internal circle {
  fill: #4a84ff;
}

.brain-node.persistent circle {
  fill: #be7dff;
}

.brain-node.effector circle {
  fill: #ff9f43;
}

.brain-node text {
  fill: var(--muted);
  font: 4px var(--font-display);
  text-anchor: middle;
}

.generator-status {
  margin: 0 0 12px;
}

.generator-note {
  margin: 12px 0 0;
  font-size: 0.83rem;
}

.generator-list {
  display: grid;
  gap: 8px;
}

.generator-item {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 10px;
  align-items: start;
  padding: 10px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.035);
}

.prime-badge {
  display: grid;
  place-items: center;
  width: 38px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: #ff9f43;
  color: #1c1104;
  font-weight: 800;
}

.generator-item h3,
.generator-item p {
  margin: 0;
}

.generator-item h3 {
  font-size: 0.88rem;
  margin-bottom: 4px;
}

.generator-item p {
  font-size: 0.8rem;
}

.button-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

button,
select,
input {
  font: inherit;
}

button,
select {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-radius: 14px;
  padding: 12px 14px;
}

button {
  cursor: pointer;
  transition: transform 140ms ease, background 140ms ease;
}

button:hover {
  transform: translateY(-1px);
  background: rgba(115, 240, 168, 0.14);
}

label {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

label:last-child {
  margin-bottom: 0;
}

label span,
output {
  color: var(--muted);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.stats-grid div {
  padding: 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
}

.stats-grid dt {
  color: var(--muted);
  font-size: 0.78rem;
  margin-bottom: 6px;
}

.stats-grid dd {
  margin: 0;
  font-weight: 700;
  font-size: 1.05rem;
}

.legend-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
}

.legend-swatch {
  width: 16px;
  height: 16px;
  border-radius: 5px;
  display: inline-block;
  flex: 0 0 auto;
}

.legend-swatch.food {
  display: grid;
  place-items: center;
  background: transparent;
  color: #9dff84;
  box-shadow: none;
  font: 800 1.3rem/1 ui-monospace, monospace;
}

.legend-swatch.food::before {
  content: "*";
}

.legend-swatch.food.blue-resource { color: #70b6ff; }
.legend-swatch.food.red-resource { color: #ff8b76; }

.guide-swatch.fertility { background: #714c31; }

.legend-swatch.wall {
  background: #e2edf0;
  box-shadow: 0 0 10px rgba(226, 237, 240, 0.35);
}

.legend-swatch.organism {
  background: #ff9f43;
  box-shadow: 0 0 12px rgba(255, 159, 67, 0.45);
}

.legend-swatch.birth {
  background: #fff4a3;
  box-shadow: 0 0 12px rgba(255, 244, 163, 0.5);
}

.legend-swatch.death {
  background: #ff7c73;
  box-shadow: 0 0 12px rgba(255, 124, 115, 0.4);
}

.legend-swatch.fire {
  background: #ff633d;
  box-shadow: 0 0 12px rgba(255, 99, 61, 0.55);
}

.legend-swatch.detritus {
  background: #7a5332;
}

.legend-swatch.ash {
  background: #b4babe;
}

.legend-swatch.nutrients {
  background: #be9641;
  box-shadow: 0 0 12px rgba(190, 150, 65, 0.4);
}

.legend-swatch.production {
  background: transparent;
  border: 2px solid #dcff81;
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(220, 255, 129, 0.55);
}

.phenotype-sample.transfer {
  width: 25px;
  height: 4px;
  border-radius: 999px;
  background: #7fffd4;
  box-shadow: 0 0 8px rgba(127, 255, 212, 0.75);
}

.hazard-block {
  background: linear-gradient(135deg, rgba(255, 99, 61, 0.14), rgba(255, 209, 102, 0.05));
}

.hazard-block p {
  color: var(--muted);
  line-height: 1.45;
}

.telemetry-block {
  background: linear-gradient(135deg, rgba(255, 244, 163, 0.1), rgba(73, 132, 255, 0.06));
}

.experiment-block {
  background: linear-gradient(135deg, rgba(115, 240, 168, 0.12), rgba(90, 180, 255, 0.08));
}

.energy-economics-block {
  background: linear-gradient(135deg, rgba(255, 176, 91, 0.12), rgba(183, 135, 255, 0.08));
}

.energy-flows {
  display: grid;
  gap: 5px;
  margin: 10px 0;
}

.energy-flow {
  display: grid;
  grid-template-columns: 94px 1fr 48px;
  gap: 6px;
  align-items: center;
  color: var(--muted);
  font: 0.7rem ui-monospace, "Cascadia Code", monospace;
}

.energy-flow i {
  display: block;
  min-height: 8px;
  border-radius: 999px;
  background: #ffba65;
}

.energy-flow.income i { background: #72e6a3; }
.energy-flow.expense i { background: #ff9a70; }
.energy-flow.allocation i { background: #a990ff; }
.energy-flow b { text-align: right; color: var(--text); font-weight: 600; }

.experiment-block > p {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.experiment-status {
  color: var(--accent-strong);
  font: 0.78rem ui-monospace, "Cascadia Code", monospace;
}

.experiment-results {
  display: grid;
  gap: 7px;
  margin: 10px 0;
}

.experiment-results article {
  display: grid;
  gap: 3px;
  padding: 9px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.18);
  color: var(--muted);
  font-size: 0.75rem;
}

.experiment-results strong { color: #b7ff87; }

.telemetry-summary {
  color: #ffbd73;
  font: 0.8rem ui-monospace, "Cascadia Code", monospace;
}

.telemetry-storage,
.telemetry-events p {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.4;
}

.telemetry-events {
  max-height: 220px;
  overflow: auto;
  padding-right: 4px;
}

.telemetry-events p {
  margin: 0 0 8px;
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-pill {
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(115, 240, 168, 0.14);
  color: var(--accent-strong);
  white-space: nowrap;
}

.viewport-status-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tick-counter {
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  color: var(--muted);
  font: 600 0.75rem/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
  white-space: nowrap;
}

.reincarnation-counter {
  color: #9bd8c2;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

#world-scroll {
  position: relative;
  flex: 1;
  min-height: 540px;
  overflow: auto;
  border-radius: 18px;
  background: #08131a;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.canvas-tick-counter {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
  padding: 5px 8px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 7px;
  background: rgba(8, 19, 26, 0.78);
  color: rgba(255, 255, 255, 0.82);
  font: 600 0.7rem/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
  pointer-events: none;
}

#world-canvas {
  display: block;
  background: #08131a;
}

.guided-input-block canvas {
  display: block;
  width: 160px;
  height: 160px;
  margin-top: 10px;
  image-rendering: pixelated;
  border: 1px solid rgba(117, 234, 255, 0.35);
  background: #08131a;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  #world-scroll {
    min-height: 420px;
  }

  .legend-list {
    grid-template-columns: 1fr;
  }

  .live-brain-panel {
    grid-template-columns: 1fr;
  }

  .phenotype-legend {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 12px;
  }
}