@font-face {
  font-family: "Source Sans 3";
  src: url("./assets/SourceSans3-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Source Sans 3";
  src: url("./assets/SourceSans3-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "Bricolage Grotesque";
  src: url("./assets/BricolageGrotesque-Variable.ttf") format("truetype");
  font-weight: 200 800;
  font-display: swap;
}
:root {
  color-scheme: dark;
  --ink: #142522;
  --surface: #1b302b;
  --line: #3c5149;
  --text: #f1f3e9;
  --muted: #b4c3b9;
  --solar: #f0c76e;
  --home: #7cbccc;
  --battery: #bdd780;
  --grid: #e7a28a;
  --focus: #f0c76e;
  --control: #203a32;
  font-family: "Source Sans 3", sans-serif;
  font-size: 18px;
  background: var(--ink);
  color: var(--text);
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
button,
input,
a {
  font: inherit;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
button {
  cursor: pointer;
  color: inherit;
  border: 0;
}
button:disabled {
  cursor: default;
  opacity: 0.55;
}
a {
  color: inherit;
  text-underline-offset: 5px;
}
::selection {
  background: var(--battery);
  color: var(--ink);
}
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 5px;
}
html {
  scrollbar-color: #718a7a var(--ink);
  scrollbar-width: thin;
}
button svg,
.output-symbol svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}
.workbench {
  width: min(1160px, calc(100% - 96px));
  margin: auto;
}
.intro {
  padding: 48px 0 38px;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 40px;
}
.intro h1 {
  font-family: "Bricolage Grotesque", sans-serif;
  font-size: clamp(48px, 5.5vw, 76px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 0;
  white-space: nowrap;
}
.intro p {
  font-size: 20px;
  line-height: 1.45;
  max-width: 385px;
  margin: 0 0 2px;
  color: var(--muted);
}
.brief-tabs {
  display: flex;
  gap: 30px;
  border-bottom: 1px solid var(--line);
}
.brief-tabs button {
  position: relative;
  background: transparent;
  min-height: 56px;
  padding: 12px 0 15px;
  font-size: 18px;
  line-height: 1.35;
  color: var(--muted);
}
.brief-tabs button[aria-selected="true"] {
  color: var(--text);
}
.brief-tabs button[aria-selected="true"]:after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--solar);
}
.brief-tabs button:hover {
  color: var(--solar);
}
.brief-tabs button:focus-visible {
  outline-offset: 4px;
}
.scenario-panel {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 0 6px;
  min-height: 68px;
}
.scenario-panel p {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.45;
}
#condition-meta {
  margin-left: auto;
  color: var(--muted);
  font-size: 18px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.weather-icon {
  display: flex;
  color: var(--solar);
}
.weather-icon svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 1.5;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.scene-wrap {
  position: relative;
  margin-top: 18px;
}
#scene {
  display: block;
  width: 100%;
  overflow: hidden;
}
#scene text {
  font-family: "Source Sans 3", sans-serif;
}
#scene .graph-meta {
  font-size: 16px;
  fill: var(--muted);
}
#scene .solar-number {
  font-size: 38px;
  font-weight: 400;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
#scene .power-number {
  font-size: 32px;
  letter-spacing: -0.025em;
  font-variant-numeric: tabular-nums;
}
#scene .unit {
  font-size: 16px;
  letter-spacing: 0;
}
#scene .column-label {
  font-size: 20px;
  fill: var(--text);
  font-weight: 600;
}
#scene .graph-sub {
  font-size: 18px;
  fill: var(--muted);
}
#scene .axis-label {
  font-size: 16px;
  fill: var(--muted);
  font-variant-numeric: tabular-nums;
}
.column {
  cursor: pointer;
  outline: 0;
}
.column .focus-base {
  opacity: 0;
  transition: opacity 0.15s;
}
.column:is(:hover, :focus-visible, [aria-pressed="true"]) .focus-base {
  opacity: 1;
}
.column:focus-visible .column-label {
  text-decoration: underline;
  text-underline-offset: 5px;
}
.column .top-face {
  transition: fill-opacity 0.15s;
}
.column:hover .top-face {
  fill-opacity: 1;
}
.flow-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 0 0 24px;
}
.scale-note {
  font-size: 16px;
  line-height: 1.4;
  color: var(--muted);
}
.icon-button,
.text-button {
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  padding: 0 4px;
  color: var(--muted);
  font-size: 18px;
  white-space: nowrap;
}
.icon-button:hover,
.text-button:hover {
  color: var(--solar);
}
.icon-button svg {
  width: 18px;
  height: 18px;
}
.conditions {
  background: var(--surface);
  padding: 26px 28px 28px;
  margin: 0 -28px;
}
.mix-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
h2,
h3 {
  font-weight: 600;
  line-height: 1.25;
}
.mix-heading h2,
.balance-heading h2 {
  font-size: 26px;
  letter-spacing: -0.02em;
  margin: 0;
}
.mix-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}
.mix-control label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 18px;
  line-height: 1.4;
}
.mix-control output {
  font-size: 26px;
  font-variant-numeric: tabular-nums;
  color: var(--channel);
}
.mix-control output span {
  font-size: 18px;
}
input[type="range"] {
  appearance: none;
  background: transparent;
  width: 100%;
  height: 44px;
  display: block;
  margin: 3px 0;
  cursor: pointer;
  --fill: 50%;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 3px;
  background: linear-gradient(
    to right,
    var(--channel) 0 var(--fill),
    #52675c var(--fill) 100%
  );
}
input[type="range"]::-moz-range-track {
  height: 3px;
  background: linear-gradient(
    to right,
    var(--channel) 0 var(--fill),
    #52675c var(--fill) 100%
  );
}
input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 22px;
  border: 2px solid var(--channel);
  background: var(--surface);
  border-radius: 3px;
  margin-top: -9px;
}
input[type="range"]::-moz-range-thumb {
  width: 10px;
  height: 18px;
  border: 2px solid var(--channel);
  background: var(--surface);
  border-radius: 3px;
}
input[type="range"]:hover::-webkit-slider-thumb {
  background: var(--channel);
}
input[type="range"]:hover::-moz-range-thumb {
  background: var(--channel);
}
.range-labels {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.45;
}
.appliance-section {
  display: grid;
  grid-template-columns: 1fr 2fr;
  align-items: center;
  gap: 28px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
  margin-top: 24px;
}
.appliance-section h3 {
  font-size: 22px;
  margin: 0 0 7px;
}
.appliance-section p {
  font-size: 16px;
  color: var(--muted);
  margin: 0;
  line-height: 1.4;
}
.appliances {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.appliance {
  background: transparent;
  border: 1px solid #61766a;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 74px;
  padding: 12px;
  text-align: left;
  font-size: 18px;
  line-height: 1.35;
}
.appliance:hover {
  background: var(--control);
  border-color: var(--battery);
}
.appliance[aria-pressed="true"] {
  background: var(--control);
  border-color: var(--battery);
}
.appliance svg {
  color: var(--muted);
}
.appliance[aria-pressed="true"] svg {
  color: var(--battery);
}
.appliance-watts {
  display: block;
  white-space: nowrap;
  font-size: 16px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.switch {
  width: 24px;
  height: 14px;
  border: 1px solid #819588;
  border-radius: 3px;
  position: relative;
  flex-shrink: 0;
  margin-left: auto;
}
.switch:after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 8px;
  height: 8px;
  border-radius: 1px;
  background: var(--muted);
  transition: transform 0.15s;
}
.appliance[aria-pressed="true"] .switch {
  border-color: var(--battery);
}
.appliance[aria-pressed="true"] .switch:after {
  background: var(--battery);
  transform: translateX(10px);
}
.balance-section {
  padding: 38px 0 32px;
  border-bottom: 1px solid var(--line);
}
.balance-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.balance-state {
  color: var(--battery);
  font-size: 16px;
}
.balance-state:before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--battery);
  margin: 0 10px 2px 0;
}
.balance-equation {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  gap: 28px;
  align-items: center;
  margin-top: 24px;
}
.small-label {
  font-size: 18px;
  color: var(--muted);
}
.balance-equation p {
  font-size: 18px;
  color: var(--muted);
  line-height: 1.5;
  margin: 8px 0 12px;
  font-variant-numeric: tabular-nums;
}
.balance-equation strong {
  font-size: 30px;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
}
.equals {
  font-size: 32px;
  text-align: center;
  color: var(--battery);
}
.output-note {
  display: flex;
  align-items: start;
  gap: 16px;
  padding: 28px 0 32px;
}
.output-symbol {
  color: var(--battery);
  margin-top: 4px;
  display: flex;
}
.output-note h3 {
  font-size: 22px;
  margin: 0 0 8px;
}
.output-note p {
  font-size: 18px;
  line-height: 1.6;
  max-width: 70ch;
  margin: 0;
  color: var(--muted);
}
.inspect-hint {
  margin: 4px 0 0 auto;
  font-size: 16px;
  line-height: 1.5;
  color: var(--muted);
  min-width: 160px;
  text-align: right;
}
.model-notes {
  border-top: 1px solid var(--line);
  font-size: 18px;
  line-height: 1.6;
  color: var(--muted);
  padding: 18px 0;
}
.model-notes summary {
  min-height: 44px;
  cursor: pointer;
  color: var(--text);
  padding: 8px 0;
}
.model-notes summary::marker {
  color: var(--battery);
}
.model-notes > div {
  max-width: 72ch;
  padding-top: 8px;
}
.model-notes p {
  margin: 12px 0;
}
.model-notes a {
  color: var(--solar);
}
footer {
  border-top: 1px solid var(--line);
  padding: 22px 0 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-size: 16px;
  color: var(--muted);
  line-height: 1.5;
}
footer a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  color: var(--text);
}
footer a:hover {
  color: var(--solar);
}
footer a svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.no-script {
  padding: 20px;
  background: var(--surface);
  line-height: 1.6;
  font-size: 18px;
}
@media (max-width: 1050px) {
  .appliance-section {
    grid-template-columns: 1fr;
  }
  .mix-controls {
    gap: 24px;
  }
  .mix-control label {
    align-items: start;
    flex-direction: column;
    gap: 4px;
  }
}
@media (max-width: 850px) {
  .workbench {
    width: calc(100% - 48px);
  }
  .intro {
    padding: 34px 0 30px;
    gap: 22px;
    display: block;
  }
  .intro p {
    margin-top: 16px;
    max-width: 490px;
  }
  .conditions {
    margin: 0 -10px;
    padding: 24px 20px;
  }
  .scenario-panel {
    flex-wrap: wrap;
  }
  #condition-meta {
    margin-left: 38px;
    flex-basis: 100%;
  }
  .inspect-hint {
    display: none;
  }
  .balance-equation {
    gap: 20px;
    grid-template-columns: 1fr 28px 1fr;
  }
}
@media (max-width: 650px) {
  .brief-tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }
  .brief-tabs button {
    font-size: 18px;
    text-align: left;
    min-height: 65px;
  }
  .intro h1 {
    font-size: 56px;
  }
  .intro p {
    font-size: 18px;
  }
  .scenario-panel {
    gap: 10px;
    padding-top: 20px;
  }
  .scenario-panel p {
    font-size: 20px;
  }
  #condition-meta {
    font-size: 16px;
    margin-left: 34px;
  }
  #scene .solar-number {
    font-size: 32px;
  }
  #scene .power-number {
    font-size: 27px;
  }
  #scene .column-label {
    font-size: 18px;
  }
  #scene .graph-sub {
    font-size: 16px;
  }
  .flow-toolbar {
    gap: 16px;
  }
  .scale-note {
    max-width: 190px;
  }
  .icon-button {
    font-size: 16px;
    gap: 6px;
  }
  .mix-controls {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .mix-control label {
    flex-direction: row;
    align-items: center;
  }
  .mix-heading h2,
  .balance-heading h2 {
    font-size: 24px;
  }
  .appliances {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .appliance {
    min-height: 64px;
    padding: 12px 16px;
  }
  .appliance > span:not(.switch) {
    display: flex;
    flex: 1;
    justify-content: space-between;
    gap: 16px;
  }
  .switch {
    margin-left: 6px;
  }
  .balance-heading {
    align-items: start;
    flex-direction: column;
    gap: 10px;
  }
  .balance-equation {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .equals {
    text-align: left;
    font-size: 28px;
  }
  .balance-equation strong {
    font-size: 28px;
  }
  .output-note {
    gap: 12px;
  }
  .model-notes {
    font-size: 18px;
  }
  footer {
    align-items: start;
    flex-direction: column;
    gap: 12px;
  }
}
@media (max-width: 400px) {
  .workbench {
    width: calc(100% - 36px);
  }
  .intro h1 {
    font-size: 48px;
  }
  .brief-tabs {
    gap: 10px;
  }
  .brief-tabs button {
    font-size: 16px;
  }
  .flow-toolbar {
    gap: 10px;
  }
  .scale-note {
    max-width: 170px;
  }
  .conditions {
    padding: 22px 16px;
  }
  .appliance {
    padding: 12px;
  }
  .appliance > span:not(.switch) {
    gap: 12px;
  }
  .appliance-section {
    gap: 20px;
  }
  .text-button {
    font-size: 16px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none;
  }
}