:root {
  color-scheme: light;
  --bg: #f8f8f7;
  --panel: #ffffff;
  --text: #181817;
  --muted: #73716d;
  --line: #e6e4df;
  --line-strong: #c9c6bf;
  --soft: #f1f0ee;
  --selected: #111111;
  --focus: #7b7468;
  --shadow: 0 10px 24px rgba(22, 22, 20, 0.06);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  min-height: 32px;
  border-radius: 7px;
  padding: 0 12px;
  cursor: pointer;
}

button:hover {
  border-color: var(--line-strong);
  background: #fbfbfa;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--focus), transparent 35%);
  outline-offset: 1px;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(230px, 280px) minmax(360px, 1fr) minmax(320px, 430px);
  gap: 12px;
  width: 100%;
  height: 100vh;
  padding: 12px;
}

.panel,
.stage {
  min-height: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 8px;
}

.items-panel {
  overflow-y: auto;
  overflow-x: hidden;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 44px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0;
  text-transform: uppercase;
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 30px;
  min-height: 30px;
  padding: 0;
  font-size: 18px;
  line-height: 1;
}

.quiet {
  color: var(--muted);
  padding: 14px;
  font-size: 13px;
}

.prompt-fields {
  display: grid;
  gap: 8px;
  padding: 8px;
  border-bottom: 1px solid var(--line);
}

.field {
  display: grid;
  gap: 4px;
}

.field span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
}

.field textarea {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  padding: 6px 7px;
  resize: vertical;
}

.field input,
.field select {
  width: 100%;
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  padding: 5px 7px;
}

.style-fields {
  display: grid;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fbfbfa;
}

.items-list {
  flex: 0 0 auto;
  min-height: auto;
  overflow: visible;
  padding: 8px;
  scroll-behavior: smooth;
}

.item-row {
  display: grid;
  grid-template-columns: 12px 1fr auto;
  gap: 8px;
  align-items: start;
  padding: 9px;
  border: 1px solid transparent;
  border-radius: 8px;
}

.item-row + .item-row {
  margin-top: 4px;
}

.item-row.selected {
  background: var(--soft);
  border-color: var(--line);
}

.swatch {
  width: 10px;
  height: 10px;
  margin-top: 8px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 999px;
}

.item-fields {
  min-width: 0;
}

.item-fields input,
.item-fields textarea,
.item-fields select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
}

.item-fields input,
.item-fields select {
  min-height: 30px;
  padding: 5px 7px;
}

.item-fields textarea {
  min-height: 52px;
  margin-top: 6px;
  padding: 6px 7px;
  resize: vertical;
}

.text-value-wrap {
  display: grid;
  gap: 4px;
  margin-top: 6px;
}

.text-value-wrap span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
}

.item-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  margin-top: 6px;
}

.item-actions {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mini {
  width: 28px;
  min-height: 26px;
  padding: 0;
  color: var(--muted);
  font-size: 12px;
}

.stage {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 8px;
}

.stage.drag-over {
  border-color: var(--selected);
}

.empty-state,
.loading-state {
  display: grid;
  place-items: center;
  gap: 8px;
  color: var(--muted);
}

.upload-button {
  background: var(--selected);
  color: #fff;
  border-color: var(--selected);
}

.upload-button:hover {
  background: #2b2b29;
  border-color: #2b2b29;
}

.spinner {
  width: 22px;
  height: 22px;
  border: 2px solid var(--line);
  border-top-color: var(--selected);
  border-radius: 999px;
  animation: spin 800ms linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.image-wrap {
  position: relative;
  max-width: calc(100% - 24px);
  max-height: calc(100% - 68px);
}

#previewImage {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 104px);
  user-select: none;
}

.overlay {
  position: absolute;
  inset: 0;
}

.box {
  position: absolute;
  border: 1.5px solid rgba(17, 17, 17, 0.72);
  background: rgba(255, 255, 255, 0.04);
  cursor: move;
}

.box.hidden {
  display: none;
}

.box.selected {
  border-color: var(--selected);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.75), 0 0 0 3px rgba(0, 0, 0, 0.08);
}

.box-label {
  position: absolute;
  top: -26px;
  left: -1px;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--text);
  padding: 2px 6px;
  font-size: 11px;
  font-weight: 650;
}

.handle {
  position: absolute;
  width: 9px;
  height: 9px;
  border: 1px solid var(--selected);
  border-radius: 999px;
  background: #fff;
}

.handle.nw {
  top: -5px;
  left: -5px;
  cursor: nwse-resize;
}

.handle.ne {
  top: -5px;
  right: -5px;
  cursor: nesw-resize;
}

.handle.sw {
  bottom: -5px;
  left: -5px;
  cursor: nesw-resize;
}

.handle.se {
  right: -5px;
  bottom: -5px;
  cursor: nwse-resize;
}

.stage-toolbar {
  position: absolute;
  left: 50%;
  bottom: 12px;
  display: flex;
  gap: 6px;
  transform: translateX(-50%);
}

.actions {
  display: flex;
  gap: 6px;
}

.json-status {
  margin-left: auto;
  color: var(--muted);
  font-size: 11px;
}

.json-status.invalid {
  color: #9b2c2c;
}

.json-preview {
  flex: 1;
  width: 100%;
  min-height: 0;
  margin: 0;
  padding: 12px;
  border: 0;
  border-radius: 0;
  resize: none;
  overflow: auto;
  background: #fcfcfb;
  color: #232321;
  font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

@media (max-width: 980px) {
  .workspace {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(280px, 52vh) minmax(180px, 32vh) minmax(220px, 1fr);
    height: auto;
    min-height: 100vh;
  }

  .stage {
    order: 1;
  }

  .items-panel {
    order: 2;
  }

  .json-panel {
    order: 3;
  }
}