:root {
  --page-bg: #f5efd7;
  --ink: #24211d;
  --muted: #615a4d;
  --rule: rgba(36, 33, 29, .72);
  --rule-soft: rgba(36, 33, 29, .22);
  --field: rgba(255, 255, 255, .34);
  --active: #fa0b08;
  --shell: min(100% - 56px, 1600px);
  --font-base: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", "Courier New", monospace;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--page-bg);
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--page-bg);
  color: var(--ink);
  font-family: var(--font-base);
  font-size: 13px;
  line-height: 1.25;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  width: var(--shell);
  height: calc(100vh - 36px);
  min-height: 0;
  margin: 18px auto;
  overflow: hidden;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.topbar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: start;
  min-height: 0;
  padding: 0;
  border-bottom: 1px solid var(--rule);
}

.sqk-back {
  display: block;
  width: 84px;
  margin: 0 0 18px;
  transform-origin: top left;
  transition: transform 120ms ease;
}

.sqk-back:hover,
.sqk-back:focus-visible {
  background: transparent;
  color: inherit;
  transform: scale(1.05);
}

.sqk-back img {
  display: block;
  width: 100%;
  height: auto;
}

.title-block {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 7px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .08em;
  line-height: 1.1;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 980px;
  margin-bottom: 0;
  font-size: clamp(1.45rem, 4.3vw, 4rem);
  font-weight: 900;
  letter-spacing: 0;
  line-height: .86;
  text-transform: uppercase;
}

.screen-tabs,
.button-row,
.field-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}

.tab,
.push-button {
  min-height: 34px;
  padding: 9px 11px;
  border: 0;
  border-left: 1px solid var(--rule);
  background: transparent;
  color: var(--ink);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .07em;
  line-height: 1;
  text-transform: uppercase;
}

.screen-tabs {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.tab:first-child,
.push-button:first-child {
  border-left: 0;
}

.tab:hover,
.tab:focus-visible,
.tab.is-active,
.push-button:hover,
.push-button:focus-visible,
.push-button.primary {
  background: var(--ink);
  color: var(--page-bg);
}

.push-button.danger:hover,
.push-button.danger:focus-visible {
  background: var(--active);
  color: white;
}

.screen {
  display: none;
}

.screen.is-active {
  display: block;
}

.screen-lab.is-active {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(290px, 25vw);
  grid-template-rows: minmax(190px, 34vh) minmax(0, 1fr);
  height: calc(100vh - 244px);
  min-height: 0;
}

.render-stage {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-width: 0;
  min-height: 0;
  padding: 0;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.render-hud {
  display: grid;
  grid-template-columns: minmax(120px, 1.35fr) repeat(4, minmax(72px, .65fr)) minmax(130px, .9fr);
  gap: 0;
  border-bottom: 1px solid var(--rule-soft);
}

label,
.field-block {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.render-hud label,
.panel label,
.field-block {
  padding: 8px;
  border-right: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
}

.render-hud .utility-button {
  min-height: 100%;
  border-left: 0;
  border-bottom: 1px solid var(--rule-soft);
}

label span,
.field-block > span {
  color: var(--muted);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .08em;
  line-height: 1;
  text-transform: uppercase;
}

input,
select {
  width: 100%;
  min-height: 29px;
  padding: 5px 6px;
  border: 1px solid var(--rule-soft);
  border-radius: 0;
  background: var(--field);
  color: var(--ink);
  font-size: 12px;
}

input[type="color"] {
  padding: 1px;
}

.preview-window {
  --stage-bg: #fff8df;
  --stage-columns: 2;
  --stage-margin: 20px;
  --stage-gutter: 20px;
  min-height: 0;
  padding: var(--stage-margin);
  overflow: auto;
  background: var(--stage-bg);
}

.preview-copy {
  max-width: 1200px;
  min-height: 100%;
  outline: none;
  color: #000;
  column-count: var(--stage-columns);
  column-gap: var(--stage-gutter);
}

.preview-copy h2,
.preview-copy p {
  break-inside: avoid;
}

.workbench {
  display: contents;
}

.control-bank {
  grid-column: 1;
  grid-row: 2;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  min-width: 0;
  min-height: 0;
  overflow: auto;
  border-right: 1px solid var(--rule);
}

.panel {
  min-width: 0;
  padding: 0;
  border-right: 1px solid var(--rule-soft);
}

.panel-title {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  min-height: 38px;
  border-bottom: 1px solid var(--rule);
}

.code-panel .panel-title {
  grid-template-columns: 34px minmax(0, 1fr) auto;
}

.panel-title span {
  display: grid;
  height: 100%;
  place-items: center;
  border-right: 1px solid var(--rule);
  color: var(--muted);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .08em;
  line-height: 1;
  text-transform: uppercase;
}

.panel-title h2 {
  margin: 0;
  padding: 0 8px;
  font-size: 10px;
  font-weight: 950;
  letter-spacing: .08em;
  line-height: 1.05;
  text-transform: uppercase;
}

.code-panel .panel-title .push-button {
  align-self: stretch;
  min-width: 160px;
  min-height: 68px;
  padding: 18px 22px;
  border-left: 1px solid var(--rule);
  font-size: 20px;
  letter-spacing: .04em;
}

.style-picker .field-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  border-bottom: 1px solid var(--rule-soft);
}

.style-picker .field-row label {
  border-bottom: 0;
}

.style-picker .field-row .push-button {
  align-self: stretch;
}

.button-row {
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
}

.button-row .push-button {
  border-bottom: 0;
}

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

.switch-field {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 29px;
  padding: 0;
  border: 0;
}

.switch-field input {
  width: 18px;
  min-height: 18px;
  margin: 0;
  accent-color: var(--ink);
}

.switch-field span {
  color: var(--ink);
  font-size: 11px;
}

.code-panel {
  grid-column: 2;
  grid-row: 1 / 3;
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  padding: 0;
  border-left: 0;
}

.code-panel pre {
  width: 100%;
  min-width: 0;
  min-height: 0;
  max-width: 100%;
  margin: 0;
  padding: 12px;
  overflow: auto;
  border: 0;
  background: rgba(255, 255, 255, .24);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.45;
}

.screen-leaderboard.is-active {
  min-height: calc(100vh - 126px);
  border-top: 0;
}

.leaderboard-layout {
  display: grid;
  grid-template-columns: minmax(220px, .32fr) minmax(0, 1fr);
  gap: 0;
  min-height: calc(100vh - 126px);
}

.leaderboard-layout > div:first-child {
  padding: 18px 18px 18px 0;
  border-right: 1px solid var(--rule);
}

.board-title {
  margin: 0 0 18px;
  font-size: clamp(1.3rem, 3.5vw, 3.6rem);
  font-weight: 900;
  line-height: .9;
  text-transform: uppercase;
}

.score-list {
  display: grid;
  align-content: start;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.score-card {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto;
  gap: 0;
  align-items: stretch;
  border-bottom: 1px solid var(--rule);
}

.score-rank {
  display: grid;
  place-items: center;
  border-right: 1px solid var(--rule);
  color: var(--muted);
  font-size: 10px;
  font-weight: 900;
}

.score-card h3 {
  margin: 0;
  padding: 10px 10px 4px;
  font-size: 10px;
  font-weight: 950;
  letter-spacing: .08em;
  line-height: 1;
  text-transform: uppercase;
}

.score-meta {
  margin: 0;
  padding: 0 10px 8px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .04em;
  line-height: 1.2;
  text-transform: uppercase;
}

.score-sample {
  max-width: 900px;
  margin: 0;
  padding: 0 10px 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.25;
}

.score-preview {
  min-height: 68px;
  padding: 10px;
  overflow: hidden;
  border-top: 1px solid var(--rule-soft);
  background: rgba(255, 255, 255, .3);
}

.score-actions {
  display: grid;
  align-content: start;
  border-left: 1px solid var(--rule);
}

.score-actions .push-button {
  border-left: 0;
  border-bottom: 1px solid var(--rule-soft);
}

.empty-state {
  padding: 18px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .08em;
  line-height: 1.2;
  text-transform: uppercase;
}

@media (max-width: 1100px) {
  :root {
    --shell: min(100% - 28px, 1600px);
  }

  .screen-lab.is-active {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 34vw);
    grid-template-rows: minmax(185px, 32vh) minmax(0, 1fr);
  }

  .topbar {
    grid-template-columns: 66px minmax(0, 1fr) auto;
    min-height: 86px;
    padding: 10px 0;
    gap: 12px;
  }

  .sqk-back {
    width: 66px;
  }

  .control-bank {
    grid-template-columns: minmax(150px, 1.35fr) repeat(3, minmax(92px, 1fr));
  }

  .render-hud {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .code-panel pre {
    font-size: 10px;
  }

  .panel-title {
    min-height: 32px;
  }

  .render-hud label,
  .panel label,
  .field-block {
    padding: 5px;
  }

  input,
  select {
    min-height: 25px;
    padding: 3px 5px;
    font-size: 11px;
  }

  label span,
  .field-block > span {
    font-size: 8px;
  }
}

@media (max-width: 760px) {
  :root {
    --shell: min(100% - 24px, 1600px);
  }

  body {
    font-size: 12px;
  }

  .app-shell {
    height: auto;
    overflow: visible;
  }

  .screen-lab.is-active {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    height: auto;
  }

  .topbar {
    grid-template-columns: 66px minmax(0, 1fr);
    align-items: start;
  }

  .sqk-back {
    width: 66px;
  }

  .screen-tabs {
    grid-column: 1 / -1;
  }

  .render-hud,
  .control-bank,
  .control-grid,
  .licensed-grid,
  .leaderboard-layout {
    grid-template-columns: 1fr;
  }

  .render-stage,
  .control-bank,
  .code-panel {
    grid-column: 1;
    grid-row: auto;
    border-right: 0;
  }

  .code-panel {
    border-top: 1px solid var(--rule);
  }

  .code-panel pre {
    max-height: 360px;
  }

  .preview-copy {
    column-count: 1;
  }

  .leaderboard-layout > div:first-child,
  .score-card {
    border-right: 0;
  }

  .score-card {
    grid-template-columns: 1fr;
  }
}