:root {
  --light-background: #fdf8f1;
  --light-ink: #190f0a;
  --light-text: #755e4c;
  --light-accent: #ffa3db;
  --light-accent-soft: #ffcaee;
  --light-surface: #fff7fd;
  --dark-surface: #2a1613;
  --dark-accent: #e85a24;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --font-display: Recursive, ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--light-background);
  color: var(--light-ink);
}

body {
  margin: 0;
  font-family: var(--font-body);
  line-height: 1.5;
  background: var(--light-background);
  color: var(--light-text);
}

button, input, select {
  font: inherit;
}

button, select, input[type="range"], input[type="color"] {
  cursor: pointer;
}

button:focus-visible, select:focus-visible, input:focus-visible {
  outline: 3px solid var(--light-ink);
  outline-offset: 2px;
}

main {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px 40px;
}

h1 {
  margin: 0 0 28px;
  color: var(--light-ink);
  font: 750 clamp(2.6rem, 8vw, 5rem)/1.02 var(--font-display);
  letter-spacing: -.06em;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(360px, 420px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.controls {
  padding: 0;
  background: var(--light-surface);
  border: 1px solid var(--light-accent-soft);
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin: 0;
  padding: 12px;
  border-bottom: 1px solid var(--light-accent-soft);
}

.panel-heading h2 {
  margin: 0;
  color: var(--light-ink);
  font: 700 20px/1 var(--font-display);
}

.text-button {
  margin: 0;
  padding: 6px 12px;
  border: 1px solid var(--light-accent);
  background: var(--light-accent-soft);
  color: var(--light-ink);
  font-size: 14px;
}

.text-button:hover {
  border-color: var(--light-accent);
  color: var(--light-ink);
  background: var(--light-accent);
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: 16px 12px;
  border: 0;
  border-bottom: 1px solid var(--light-accent-soft);
}

legend {
  padding: 0 0 12px;
  font: 750 11px/1 var(--font-display);
  letter-spacing: .12em;
  text-transform: uppercase;
}

.pattern-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.pattern-option input {
  position: absolute;
  opacity: 0;
}

.pattern-option > span:last-child {
  padding: 7px 3px;
  border: 2px solid transparent;
  border-top: 0;
  display: block;
  color: var(--light-text);
  font: 650 10px/1 var(--font-display);
  text-align: center;
  text-transform: uppercase;
}

.pattern-icon {
  height: 54px;
  width: 100%;
  border: 1px solid var(--light-accent-soft);
  display: block;
  background-color: var(--light-background);
  object-fit: cover;
}

.pattern-option input:checked + .pattern-icon {
  border-color: var(--light-accent);
  background-color: var(--light-accent-soft);
}

.pattern-option input:focus-visible + .pattern-icon {
  outline: 3px solid var(--light-ink);
  outline-offset: 2px;
}

.pattern-option input:checked ~ span:last-child {
  border-color: var(--light-accent);
  color: var(--light-ink);
  background: var(--light-accent);
}

.pattern-icon[hidden] + span {
  border-top: 1px solid var(--light-accent-soft);
}

.color-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 9px;
  align-items: end;
}

.color-control, .output-grid label {
  color: var(--light-text);
  font: 650 11px/1.2 var(--font-display);
  text-transform: uppercase;
}

.color-input-wrap {
  height: 42px;
  margin-top: 7px;
  border: 1px solid var(--light-accent-soft);
  background: var(--light-surface);
  display: flex;
  align-items: center;
  padding: 5px 8px;
}

input[type="color"] {
  width: 27px;
  height: 27px;
  padding: 0;
  border: 0;
  background: none;
}

input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

input[type="color"]::-webkit-color-swatch {
  border: 1px solid var(--light-ink);
}

.color-input-wrap output {
  margin-left: 7px;
  color: var(--light-ink);
  font-size: 10px;
}

.swap-button {
  width: 36px;
  height: 42px;
  border: 1px solid var(--light-accent);
  background: var(--light-accent-soft);
  color: var(--light-ink);
  font-size: 20px;
}

.swap-button:hover {
  background: var(--light-accent);
}

.palette-row {
  display: flex;
  gap: 8px;
  margin-top: 11px;
}

.palette-row button {
  position: relative;
  width: 34px;
  height: 28px;
  padding: 0;
  border: 1px solid var(--light-accent);
  background: var(--a);
  overflow: hidden;
}

.palette-row button::after {
  content: "";
  position: absolute;
  inset: 0 0 0 50%;
  background: var(--b);
}

.palette-row button:hover {
  transform: translateY(-2px);
}

.pride-presets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 12px;
}

.pride-presets button {
  min-width: 0;
  padding: 7px;
  border: 1px solid var(--light-accent-soft);
  background: var(--light-surface);
  color: var(--light-ink);
  font: 700 10px/1 var(--font-display);
  text-transform: uppercase;
}

.pride-presets button:hover, .pride-presets button[aria-pressed="true"] {
  border-color: var(--light-accent);
  background: var(--light-accent-soft);
}

.flag-swatch {
  height: 14px;
  margin-bottom: 7px;
  border: 1px solid var(--light-ink);
  display: flex;
}

.flag-swatch i {
  flex: 1;
  background: var(--flag-color);
}

.sliders {
  display: grid;
  gap: 16px;
}

.sliders label > span {
  display: flex;
  justify-content: space-between;
  color: var(--light-text);
  font: 650 11px/1 var(--font-display);
  text-transform: uppercase;
}

.sliders output {
  color: var(--light-ink);
}

input[type="range"] {
  width: 100%;
  height: 4px;
  margin: 14px 0 3px;
  border: 0;
  border-radius: 0;
  background: #d4c5bc;
  accent-color: var(--dark-accent);
}

input[type="range"]::-webkit-slider-thumb {
  width: 16px;
  height: 16px;
  border: 2px solid var(--light-ink);
  border-radius: 0;
  background: var(--light-accent);
  appearance: none;
}

.output-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.output-grid label[hidden] {
  display: none;
}

select {
  width: 100%;
  height: 42px;
  margin-top: 7px;
  padding: 0 10px;
  border: 1px solid var(--light-accent-soft);
  border-radius: 0;
  background: var(--light-surface);
  color: var(--light-ink);
  font-size: 12px;
}

.export-actions {
  margin: 16px 12px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.export-button {
  width: auto;
  margin: 0;
  padding: 8px 12px;
  border: 1px solid var(--light-accent);
  background: var(--light-accent-soft);
  color: var(--light-ink);
  display: flex;
  justify-content: space-between;
  font-size: 14px;
}

.export-button:hover:not(:disabled) {
  background: var(--light-accent);
}

.export-button:disabled {
  cursor: wait;
  opacity: .65;
}

.export-note {
  margin: 12px;
  color: var(--light-text);
  font-size: 11px;
  text-align: center;
}

.preview-panel {
  min-width: 0;
  margin-top: 0;
  padding: 12px;
  background: var(--light-surface);
  color: var(--light-ink);
  border: 1px solid var(--light-accent-soft);
  display: flex;
  flex-direction: column;
}

.preview-toolbar, .preview-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font: 650 10px/1 var(--font-display);
  letter-spacing: .1em;
}

.preview-toolbar {
  margin-bottom: 15px;
  justify-content: flex-end;
}

.preview-toolbar button {
  padding: 7px 9px;
  border: 1px solid var(--light-accent);
  background: var(--light-accent-soft);
  color: var(--light-ink);
  font: inherit;
  text-transform: uppercase;
}

.preview-toolbar button:hover {
  background: var(--light-accent);
  color: var(--light-ink);
}

.canvas-frame {
  position: relative;
  flex: 1;
  min-height: 0;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--dark-surface);
  border: 1px solid var(--light-accent-soft);
  display: grid;
  place-items: center;
}

#spiral {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.preview-meta {
  margin-top: 15px;
  color: var(--light-text);
  justify-content: flex-end;
}

@media (max-width: 980px) {
  .workspace {
    display: block;
  }

  .preview-panel {
    margin-top: 20px;
  }

}

@media (max-width: 560px) {
  main {
    margin: 20px auto;
    padding: 0 16px 24px;
  }

  .pattern-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .color-row {
    grid-template-columns: 1fr 34px 1fr;
  }

  .color-input-wrap output {
    display: none;
  }

  .output-grid {
    grid-template-columns: 1fr;
  }

  .export-actions {
    flex-direction: column;
  }

  .export-button {
    width: 100%;
  }

}

@media (prefers-reduced-motion: reduce) {
  .pattern-icon {
    visibility: hidden;
  }
}

body.preview-paused .pattern-icon {
  visibility: hidden;
}