:root {
  font-family: "Segoe UI", system-ui, sans-serif;
  color: var(--ui-ink);
  background: var(--ui-bg);
  --line: var(--ui-border);
  --muted: var(--ui-muted);
  --green: var(--ui-solid);
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  min-width: 320px;
}
button,
textarea,
select,
input {
  font: inherit;
}
button,
summary,
select,
input[type="range"],
input[type="checkbox"] {
  cursor: pointer;
}
button {
  color: inherit;
}
button:disabled {
  opacity: 0.4;
  cursor: default;
}
button:focus-visible,
summary:focus-visible,
.source-frame:focus-visible,
select:focus-visible,
textarea:focus-visible,
input:focus-visible {
  outline: 3px solid var(--ui-focus);
  outline-offset: 4px;
}
[hidden] {
  display: none !important;
}
.workspace {
  display: grid;
  grid-template-columns: 312px minmax(0, 1fr);
  align-content: start;
  max-width: 1380px;
  margin: 0 auto;
  padding: 40px 42px;
  column-gap: 54px;
  row-gap: 27px;
}
.controls {
  padding-top: 4px;
  align-self: start;
}
.label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 13px;
  gap: 10px;
}
.label-row h1,
.label-row label {
  font-size: 15px;
  font-weight: 650;
  margin: 0;
}
.text-button {
  border: 0;
  background: transparent;
  font-size: 14px;
  padding: 4px 0 4px 8px;
  color: var(--ui-ink);
}
.text-button span {
  padding-left: 4px;
}
.open-image {
  border: 1px solid var(--ui-border);
  border-radius: 5px;
  background: var(--ui-surface);
  padding: 8px 12px;
  font-size: 14px;
  min-height: 38px;
}
.open-image:hover {
  background: var(--ui-surface);
  border-color: var(--ui-border-strong);
}
.source-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 7px;
  overflow: hidden;
  background: var(--ui-surface);
  cursor: pointer;
  transition: border-color 0.2s;
}
.source-frame:hover {
  border-color: var(--ui-border-strong);
}
.source-frame canvas {
  display: block;
  width: 100%;
  height: 100%;
}
.drop-hint {
  display: none;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--ui-surface) 94%, transparent);
  color: var(--green);
  font-size: 16px;
}
.source-frame.dragging .drop-hint {
  display: flex;
}
.source-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--ui-muted);
}
.timeline {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 13px;
  min-width: 0;
}
.timeline button {
  background: var(--ui-surface);
  border: 1px solid var(--ui-border);
  border-radius: 5px;
  padding: 7px 11px;
  font-size: 14px;
  white-space: nowrap;
  min-width: 54px;
  min-height: 36px;
}
.timeline button[aria-pressed="true"] {
  color: var(--ui-ink);
  border-color: var(--ui-border-strong);
}
.timeline input[type="range"] {
  flex: 1;
  min-width: 30px;
  width: auto;
  margin: 0;
}
.timeline output {
  font-size: 13px;
  white-space: nowrap;
  color: var(--ui-muted);
  font-variant-numeric: tabular-nums;
  min-width: 42px;
  text-align: right;
}
.result-timeline {
  margin-top: 17px;
}
summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  user-select: none;
}
summary::-webkit-details-marker {
  display: none;
}
summary span {
  font-size: 18px;
  font-weight: 400;
  line-height: 1;
}
details[open] summary span {
  transform: rotate(45deg);
}
.image-settings {
  margin: 17px 0 25px;
}
.image-settings summary {
  color: var(--ui-muted);
}
.adjustments {
  padding-top: 18px;
}
.range-label {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  margin: 0 0 7px;
}
.range-label output {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
input[type="range"] {
  width: 100%;
  accent-color: var(--green);
  margin: 0 0 16px;
  height: 17px;
}
.check-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}
input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--green);
  margin: 0;
}
.text-section {
  margin-bottom: 21px;
}
.label-row output {
  font-size: 12px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
textarea {
  display: block;
  width: 100%;
  border: 1px solid var(--ui-border);
  background: var(--ui-surface);
  border-radius: 6px;
  resize: vertical;
  min-height: 102px;
  padding: 13px 14px;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ui-ink);
}
textarea::placeholder {
  color: var(--ui-muted);
}
.options-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 9px;
}
select {
  width: 100%;
  border: 1px solid var(--ui-border);
  background: var(--ui-surface);
  border-radius: 5px;
  min-height: 43px;
  padding: 8px 10px;
  font-size: 14px;
}
.generate {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 15px 18px;
  margin-top: 24px;
  background: var(--green);
  color: var(--ui-on-solid);
  border: 1px solid var(--green);
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  transition: background 0.2s;
  min-height: 54px;
}
.generate:hover {
  background: var(--ui-solid-hover);
}
.generate svg {
  width: 21px;
  height: 21px;
}
.form-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}
.error {
  font-size: 14px;
  line-height: 1.5;
  color: var(--ui-danger);
  margin: 8px 0 0;
}
.result {
  min-width: 0;
  align-self: start;
}
.preview-stage {
  position: relative;
  min-height: 280px;
  background: var(--ui-subtle);
  border: 1px solid var(--ui-border);
  padding: 32px;
  border-radius: 8px;
}
.art-sheet {
  position: relative;
  max-width: 660px;
  margin: 0 auto;
  background: #ffffff;
  box-shadow:
    0 7px 24px rgb(0 0 0 / 5%),
    0 1px 2px rgb(0 0 0 / 3%);
  aspect-ratio: 1;
}
.art-sheet canvas {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
}
.progress-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--ui-surface) 60%, transparent);
  backdrop-filter: blur(3px);
  border-radius: 8px;
}
.progress-card {
  min-width: 220px;
  max-width: 90%;
  padding: 21px 24px;
  border-radius: 7px;
  background: var(--ui-surface);
  box-shadow: 0 8px 30px rgb(0 0 0 / 8%);
  color: var(--ui-ink);
  font-size: 14px;
}
progress {
  appearance: none;
  width: 100%;
  height: 4px;
  display: block;
  margin-top: 15px;
  border: 0;
  border-radius: 4px;
  background: var(--ui-subtle);
}
progress::-webkit-progress-bar {
  background: var(--ui-subtle);
  border-radius: 4px;
}
progress::-webkit-progress-value {
  background: var(--ui-shape-mid);
  border-radius: 4px;
  transition: width 0.1s;
}
progress::-moz-progress-bar {
  background: var(--ui-shape-mid);
}
.result-error {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 14px;
  margin: 0;
  padding: 13px 16px;
  background: var(--ui-danger-bg);
  border: 1px solid var(--ui-danger-border);
  color: var(--ui-danger);
  font-size: 14px;
  border-radius: 5px;
  line-height: 1.5;
}
.result-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 22px 0;
}
.match-info {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
}
.match-label {
  color: var(--muted);
  font-size: 13px;
}
.match-info strong {
  font-size: 21px;
  font-weight: 550;
  font-variant-numeric: tabular-nums;
}
.grid-size {
  font-size: 12px;
  color: var(--ui-muted);
  margin-left: 7px;
}
.downloads {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
}
.downloads button {
  border: 1px solid var(--ui-border);
  border-radius: 5px;
  background: var(--ui-surface);
  padding: 10px 13px;
  font-size: 14px;
  display: flex;
  gap: 6px;
  align-items: center;
  white-space: nowrap;
  min-height: 42px;
}
.downloads button:hover:enabled {
  background: var(--ui-surface);
  border-color: var(--ui-border-strong);
}
.downloads svg {
  width: 18px;
  height: 18px;
}
.priority-check {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 4px 0 8px;
  font-size: 12px;
  color: var(--ui-muted);
}
.detail-field .range-label,
.priority-field .range-label {
  margin-bottom: 5px;
}
.priority-field .error {
  font-size: 12px;
}
.priority-scale {
  display: flex;
  justify-content: space-between;
  margin-top: -12px;
  color: var(--muted);
  font-size: 12px;
}
.preview-stage.stale canvas {
  opacity: 0.4;
}
@media (min-width: 1500px) {
  .workspace {
    padding-top: 56px;
  }
}
@media (max-width: 1100px) {
  .workspace {
    padding: 28px;
    column-gap: 30px;
    row-gap: 15px;
    grid-template-columns: 280px minmax(0, 1fr);
  }
  .preview-stage {
    padding: 22px;
  }
  .result-actions {
    flex-wrap: wrap;
  }
}
@media (max-width: 760px) {
  .workspace {
    display: flex;
    flex-direction: column;
    padding: 22px 18px 28px;
    gap: 15px;
  }
  .controls {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: 20px;
    align-items: start;
    width: 100%;
    margin-bottom: 15px;
  }
  .controls > .input-section:first-child {
    grid-row: span 4;
  }
  .source-frame {
    max-width: 312px;
  }
  .text-section {
    margin-bottom: 18px;
  }
  .options-row {
    grid-column: 2;
  }
  .generate {
    grid-column: 2;
    margin-top: 18px;
  }
  .controls > .form-note {
    grid-column: 2;
  }
  .image-settings {
    margin-bottom: 0;
  }
  .result {
    width: 100%;
  }
  .preview-stage {
    padding: 20px;
  }
  .result-toolbar {
    margin-bottom: 16px;
  }
}
@media (max-width: 500px) {
  .controls {
    display: block;
  }
  .controls > .input-section:first-child {
    display: grid;
    grid-template-columns: 1fr;
  }
  .source-frame {
    max-width: none;
    aspect-ratio: 1.28;
  }
  .source-frame canvas {
    object-fit: contain;
  }
  .image-settings {
    margin-bottom: 25px;
  }
  .label-row {
    margin-bottom: 11px;
  }
  .preview-stage {
    padding: 16px;
  }
  .result-actions {
    align-items: center;
    gap: 15px;
    padding: 19px 0;
  }
  .grid-size {
    display: none;
  }
  .downloads {
    gap: 6px;
  }
  .downloads button {
    padding: 10px;
    font-size: 13px;
  }
  .match-label {
    font-size: 12px;
  }
  .match-info {
    gap: 5px;
  }
  .match-info strong {
    font-size: 18px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}