:root {
  color-scheme: dark;
  --bg: #090f17;
  --panel: #101923;
  --line: #243341;
  --text: #e5edf3;
  --muted: #889bab;
  --mint: #90e6c4;
  --orange: #edb88b;
  --purple: #aaa1e7;
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: var(--text);
  background: var(--bg);
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
button,
input,
select {
  font: inherit;
}
button,
a,
input,
select {
  touch-action: manipulation;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
  border: 1px solid var(--line);
  color: var(--text);
  background: #16222e;
  border-radius: 7px;
  padding: 10px 13px;
  font-size: 12px;
  font-weight: 600;
}
button:hover {
  border-color: var(--mint);
  background: #20333b;
}
button:disabled {
  opacity: 0.35;
  cursor: default;
}
a {
  color: inherit;
  text-decoration: none;
}
a:hover {
  color: var(--mint);
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}
input,
select {
  color: var(--text);
  background: #0c141d;
  border: 1px solid var(--line);
  border-radius: 6px;
  min-width: 0;
}
input {
  padding: 10px;
}
input[type="range"] {
  padding: 0;
  accent-color: var(--mint);
  width: 100%;
  cursor: pointer;
}
p {
  line-height: 1.6;
}
h1,
h2,
p {
  margin: 0;
}
h2 {
  font-size: 17px;
  font-weight: 550;
  letter-spacing: -0.3px;
}
.masthead {
  height: 74px;
  padding: 0 3%;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 20px;
  letter-spacing: 3px;
  font-weight: 750;
}
.brand-mark {
  color: var(--mint);
  font-size: 34px;
}
.brand-sub {
  font-size: 9px;
  letter-spacing: 1.5px;
  font-weight: 500;
  border-left: 1px solid var(--line);
  padding-left: 18px;
  margin-left: 10px;
  color: var(--muted);
}
nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 12px;
}
.online {
  font:
    9px ui-monospace,
    monospace;
  letter-spacing: 1px;
  color: var(--mint);
  display: flex;
  align-items: center;
  gap: 8px;
}
.online i,
.live-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 10px #90e6c466;
}
.subtle {
  background: transparent;
  border-color: transparent;
  color: var(--muted);
  padding: 6px 8px;
}
.primary {
  background: var(--mint);
  border-color: var(--mint);
  color: #10241e;
}
.primary:hover {
  color: white;
  background: #366858;
}
.outline {
  background: transparent;
}
.page-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 34px 0 30px;
  gap: 20px;
}
.page-heading button {
  padding: 13px 18px;
  white-space: nowrap;
}
.eyebrow {
  font:
    9px ui-monospace,
    SFMono-Regular,
    monospace;
  letter-spacing: 1.4px;
  color: var(--muted);
}
h1 {
  font-weight: 520;
  font-size: clamp(28px, 3vw, 40px);
  letter-spacing: -1.5px;
  margin: 10px 0;
}
.subtitle {
  font-size: 13px;
  color: var(--muted);
}
main {
  padding: 0 3% 22px;
  max-width: 1800px;
  margin: auto;
}
.lab-layout {
  display: grid;
  grid-template-columns: 225px minmax(360px, 1fr) 320px;
  gap: 16px;
  align-items: start;
}
.panel {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 12px;
}
.library {
  padding: 20px;
  display: flex;
  flex-direction: column;
  min-height: 695px;
}
.panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  margin-bottom: 18px;
}
.tiny {
  color: var(--mint);
  font: 10px monospace;
}
.library h2 {
  margin-bottom: 10px;
}
.muted {
  color: var(--muted);
  font-size: 12px;
}
.search {
  display: flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  margin-top: 19px;
  padding: 0 8px;
  gap: 6px;
}
.search span {
  font-size: 22px;
  color: var(--muted);
}
.search input {
  border: 0;
  background: transparent;
  padding: 10px 0;
  width: 100%;
  font-size: 11px;
}
.filter-row {
  display: flex;
  gap: 7px;
  margin: 12px 0;
}
.filter-row button {
  font-size: 10px;
  padding: 6px 9px;
  background: transparent;
  border-color: transparent;
  color: var(--muted);
}
button.selected {
  color: var(--mint);
  background: #90e6c410;
  border-color: #90e6c43b;
}
.element-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  max-height: 325px;
  overflow: auto;
  align-content: start;
  padding: 2px;
}
.element {
  display: flex;
  flex-direction: column;
  align-items: start;
  gap: 3px;
  min-height: 55px;
  padding: 6px 8px;
  color: var(--element-color, var(--mint));
  background: #111f28;
  cursor: grab;
}
.element small {
  font: 8px monospace;
  opacity: 0.75;
}
.element strong {
  font-size: 18px;
  font-weight: 500;
}
.element:active {
  cursor: grabbing;
}
.library-bottom {
  padding-top: 22px;
  margin-top: auto;
}
.recipes {
  display: flex;
  gap: 5px;
  margin: 12px 0;
}
.recipes button {
  padding: 9px 5px;
  flex: 1;
  font-size: 12px;
}
.recipes small {
  display: block;
  font: 6px monospace;
  letter-spacing: 0.5px;
  margin-top: 6px;
  color: var(--muted);
}
.micro {
  font-size: 10px;
  color: var(--muted);
  line-height: 1.6;
}
.viewport-panel {
  overflow: hidden;
}
.scene-tabs {
  display: flex;
  gap: 6px;
  padding: 12px;
  border-bottom: 1px solid var(--line);
}
.scene-tabs button {
  background: transparent;
  border-color: transparent;
  font-size: 11px;
  padding: 9px 10px;
}
.scene-tabs .selected {
  border-color: #90e6c43b;
  background: #90e6c410;
}
.viewport {
  position: relative;
  height: 427px;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 65%, #192d3d, #0a131e 70%);
  touch-action: none;
}
canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}
canvas:active {
  cursor: grabbing;
}
.scene-label {
  position: absolute;
  left: 20px;
  top: 20px;
  pointer-events: none;
  font: 9px monospace;
  letter-spacing: 1.5px;
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  width: 260px;
}
.scene-label small {
  width: 100%;
  font-size: 7px;
  color: #758696;
  letter-spacing: 1px;
  margin-top: 3px;
}
.scene-coordinate {
  position: absolute;
  bottom: 45px;
  left: 20px;
  font: 11px monospace;
  color: var(--mint);
  pointer-events: none;
}
.scene-coordinate span {
  color: #7995b2;
}
.scene-tools {
  position: absolute;
  top: 18px;
  right: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.scene-tools button {
  font-size: 16px;
  background: #0d1a25c9;
  padding: 6px;
  width: 34px;
  height: 34px;
}
.scene-tools #explode {
  font-size: 9px;
  width: auto;
}
.scene-caption {
  position: absolute;
  bottom: 14px;
  left: 20px;
  right: 20px;
  display: flex;
  justify-content: space-between;
  font: 7px monospace;
  letter-spacing: 1px;
  color: #7790a2;
  pointer-events: none;
}
.drop-hint {
  display: none;
  position: absolute;
  inset: 0;
  place-items: center;
  background: #173831d9;
  border: 2px dashed var(--mint);
  color: var(--mint);
  font-size: 18px;
  pointer-events: none;
}
.viewport.dragging .drop-hint {
  display: grid;
}
.exhibit-note {
  border-top: 1px solid var(--line);
  padding: 21px;
  display: flex;
  gap: 20px;
  align-items: start;
  min-height: 142px;
}
.exhibit-note h2 {
  margin: 9px 0;
}
.exhibit-note p:not(.eyebrow) {
  font-size: 12px;
  color: #9aacbc;
  line-height: 1.7;
}
.round-button {
  border-radius: 50%;
  padding: 8px 11px;
  background: transparent;
}
.parameters {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 0 21px 12px;
}
.parameters label {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  color: var(--muted);
  font-size: 10px;
}
.parameters input {
  grid-column: 1/-1;
}
.parameters output {
  color: var(--mint);
  font: 11px monospace;
}
.parameter-note {
  font-size: 9px;
  color: #758999;
  padding: 0 21px 17px;
}
.right-column {
  display: grid;
  gap: 16px;
}
.composition,
.copilot {
  padding: 18px;
}
.composition .panel-title {
  margin-bottom: 12px;
}
.formula {
  font-size: 36px;
  font-weight: 450;
  letter-spacing: -1px;
  overflow-wrap: anywhere;
  color: #d6ece6;
}
.composition-list {
  display: flex;
  flex-direction: column;
  gap: 7px;
  max-height: 160px;
  overflow: auto;
  margin: 15px 0;
}
.composition-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}
.composition-row .symbol {
  border-left: 2px solid var(--element-color);
  padding-left: 8px;
  width: 37px;
}
.composition-row .fraction {
  margin-right: auto;
  color: var(--muted);
  font: 10px monospace;
}
.composition-row button {
  padding: 2px 7px;
  min-height: 26px;
}
.composition-row input {
  width: 47px;
  padding: 4px;
  font-size: 11px;
  text-align: center;
}
.action-pair {
  display: flex;
  gap: 10px;
}
.action-pair .primary {
  flex: 1;
}
.analysis {
  display: none;
}
.analysis.active {
  display: block;
  border-top: 1px solid var(--line);
  margin-top: 15px;
  padding-top: 12px;
}
.analysis p {
  font-size: 11px;
  color: #a4b8c5;
  margin: 5px 0;
}
.analysis strong {
  color: var(--mint);
}
.analysis .metric {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid #24334188;
  font-size: 11px;
}
.metric span {
  color: var(--muted);
}
.local-badge {
  font: 7px monospace;
  letter-spacing: 0.5px;
  color: var(--mint);
  padding: 5px;
  border: 1px solid #90e6c42a;
  border-radius: 3px;
}
.messages {
  min-height: 106px;
  max-height: 176px;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.message {
  font-size: 12px;
  color: #a5b5c4;
  line-height: 1.7;
  white-space: pre-wrap;
}
.message.user {
  color: var(--mint);
  border-left: 2px solid #90e6c444;
  padding-left: 8px;
}
.command-chips {
  display: flex;
  gap: 5px;
  margin: 16px 0 10px;
}
.command-chips button {
  font-size: 9px;
  padding: 7px;
  background: transparent;
}
#commandForm {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 5px;
}
#commandForm input {
  width: 100%;
  background: transparent;
  border: 0;
  font-size: 10px;
  padding: 6px;
}
#commandForm button {
  background: #29413f;
  border: 0;
  color: var(--mint);
  font-size: 17px;
  padding: 3px 10px;
}
.agent-link {
  width: 100%;
  background: transparent;
  color: var(--mint);
  border: 0;
  padding: 14px 0 7px;
  text-align: left;
  font-size: 11px;
}
.workspace-footer {
  margin-top: 16px;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.workspace-footer p {
  font-size: 13px;
  margin-top: 5px;
}
.footer-actions {
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
  align-items: center;
}
.footer-actions select {
  font-size: 11px;
  padding: 10px;
  max-width: 160px;
}
.footnote {
  display: flex;
  gap: 20px;
  justify-content: space-between;
  font-size: 9px;
  color: #6f8495;
  margin-top: 18px;
  line-height: 1.5;
}
.footnote a {
  white-space: nowrap;
}
.toast {
  position: fixed;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  background: #234037;
  border: 1px solid var(--mint);
  padding: 14px 22px;
  border-radius: 10px;
  font-size: 13px;
  max-width: 90vw;
  z-index: 10;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}
[hidden] {
  display: none !important;
}
@media (min-width: 1550px) {
  .lab-layout {
    grid-template-columns: 250px minmax(400px, 1fr) 350px;
  }
  .viewport {
    height: 470px;
  }
  .library {
    min-height: 740px;
  }
  .element-grid {
    max-height: 370px;
  }
}
@media (max-width: 1150px) {
  .lab-layout {
    grid-template-columns: 190px minmax(320px, 1fr);
  }
  .right-column {
    grid-column: 1/-1;
    grid-template-columns: 1fr 1fr;
  }
  .library {
    min-height: 680px;
    padding: 15px;
  }
  .element-grid {
    grid-template-columns: repeat(3, 1fr);
    max-height: 330px;
  }
  .workspace-footer {
    align-items: start;
    flex-direction: column;
  }
  .brand-sub {
    display: none;
  }
}
@media (max-width: 650px) {
  .masthead {
    height: 60px;
  }
  .masthead nav > a,
  .online {
    display: none;
  }
  main {
    padding: 0 14px 20px;
  }
  .page-heading {
    padding: 24px 0 20px;
    align-items: start;
  }
  .page-heading button {
    padding: 10px;
    font-size: 10px;
  }
  .eyebrow {
    font-size: 8px;
    letter-spacing: 1px;
  }
  h1 {
    font-size: 28px;
  }
  .subtitle {
    font-size: 11px;
  }
  .lab-layout {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .viewport-panel {
    width: 100%;
    order: 0;
  }
  .library {
    width: 100%;
    order: 1;
    min-height: 0;
  }
  .library h2,
  .library .muted {
    display: none;
  }
  .search {
    margin-top: 0;
  }
  .element-grid {
    grid-template-columns: repeat(8, 1fr);
    max-height: 155px;
  }
  .element {
    min-width: 0;
    padding: 5px;
  }
  .element strong {
    font-size: 16px;
  }
  .library-bottom {
    padding-top: 15px;
  }
  .library-bottom .micro {
    display: none;
  }
  .right-column {
    order: 2;
    width: 100%;
    display: flex;
    flex-direction: column;
  }
  .viewport {
    height: 340px;
  }
  .scene-tabs {
    gap: 2px;
    padding: 9px;
  }
  .scene-tabs button {
    font-size: 10px;
    padding: 8px;
  }
  .parameters {
    gap: 14px;
  }
  .scene-label {
    width: 210px;
  }
  .workspace-footer {
    padding: 15px;
  }
  .footer-actions {
    gap: 7px;
  }
  .footer-actions button {
    font-size: 10px;
  }
  .footnote {
    flex-wrap: wrap;
    gap: 12px;
  }
  .footnote span {
    width: 100%;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
  }
}