:root {
  color-scheme: light;
  font-family: Inter, "Pretendard", "Noto Sans KR", system-ui, sans-serif;
  --ink: #24211f;
  --muted: #746d67;
  --line: #ded8d1;
  --paper: #fffdf9;
  --surface: #f6f2ec;
  --accent: #e94f64;
  --accent-dark: #ba2e43;
  --cut: #d9168b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  height: 100vh;
  overflow: hidden;
  min-height: 100vh;
  background: linear-gradient(135deg, #fdf8f4 0%, #f1f6f5 48%, #fff6f8 100%);
  color: var(--ink);
  user-select: none;
  -webkit-user-select: none;
}

button,
input {
  font: inherit;
}

select {
  font: inherit;
}

input,
textarea,
select {
  user-select: auto;
  -webkit-user-select: auto;
}

.app {
  display: grid;
  grid-template-columns: minmax(320px, 400px) minmax(0, 1fr);
  gap: 14px;
  height: 100vh;
  min-height: 100vh;
  min-width: 0;
  overflow: hidden;
  padding: 14px;
}

.panel,
.workspace {
  border: 1px solid rgba(36, 33, 31, 0.12);
  background: rgba(255, 253, 249, 0.88);
  box-shadow: 0 20px 60px rgba(59, 44, 33, 0.12);
  backdrop-filter: blur(18px);
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-self: start;
  position: sticky;
  top: 0;
  max-height: calc(100vh - 14px);
  margin-top: 0;
  overflow: auto;
  padding: 14px;
  border-radius: 8px;
}

.uploadRow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}

.uploadRow.hasFiles {
  grid-template-columns: minmax(0, 0.92fr) minmax(138px, 1fr);
}

.uploadRow .dropzone {
  grid-column: 1;
  grid-row: 1;
}

.dropzone {
  display: grid;
  place-items: center;
  gap: 3px;
  min-height: 70px;
  padding: 6px;
  border: 2px dashed #d7c9bc;
  border-radius: 8px;
  background: #fffaf4;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.uploadRow.hasFiles .dropzone {
  min-height: 70px;
  padding: 6px;
}

.dropzone:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.dropzone input,
.pdfImportButton input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.pdfImportButton {
  grid-column: 1;
  grid-row: 2;
  display: flex;
  justify-content: center;
  min-height: 26px;
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: white;
  color: var(--ink);
  cursor: pointer;
  font-size: 11px;
  font-weight: 800;
}

.pdfImportButton:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.dropIcon {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--ink);
  color: white;
  font-size: 18px;
  line-height: 1;
}

.dropzone div {
  font-size: 13px;
  line-height: 1.2;
}

.dropzone small,
.status,
.toolbar span {
  color: var(--muted);
}

.dropzone small {
  font-size: 10px;
  line-height: 1.25;
}

.uploadPreview {
  display: none;
  min-height: 88px;
  max-height: 110px;
  overflow: auto;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.uploadRow.hasFiles .uploadPreview {
  display: grid;
  align-content: start;
  gap: 6px;
}

.promptPresets {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 250, 244, 0.72);
}

.promptPresets summary {
  cursor: pointer;
  padding: 8px 10px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
}

.promptPresetGrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  padding: 0 8px 8px;
}

.promptPresetGrid button {
  min-height: 28px;
  padding: 5px 7px;
  border: 1px solid #d7cfc7;
  border-radius: 7px;
  background: white;
  color: var(--ink);
  cursor: pointer;
  font-size: 11px;
  font-weight: 800;
}

.promptPresetGrid button:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.promptPresetGrid button:disabled {
  border-color: var(--accent);
  background: #fff1f3;
  color: var(--accent-dark);
  cursor: default;
}

.promptCopyStatus {
  min-height: 16px;
  padding: 0 9px 8px;
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 800;
}

.thumbItem {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: center;
  gap: 6px;
  min-height: 48px;
  padding: 4px;
  border: 1px solid #ece5dd;
  border-radius: 7px;
  background: #fffaf4;
}

.thumbItem img {
  width: 42px;
  height: 42px;
  object-fit: cover;
  border-radius: 6px;
  background: #f3eee8;
}

.thumbItem span {
  overflow: hidden;
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.thumbItem small,
.emptyThumb {
  color: var(--muted);
  font-size: 11px;
}

.settings {
  display: grid;
  gap: 5px;
}

.settingsGroup {
  display: grid;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffaf4;
}

.settingsSection {
  display: grid;
  gap: 6px;
  padding-bottom: 7px;
  border-bottom: 1px solid rgba(222, 216, 209, 0.7);
}

.settingsSectionTitle {
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 900;
}

.settingPair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.gridSettingRow {
  display: grid;
  grid-template-columns: minmax(92px, 1fr) minmax(92px, 1fr) minmax(128px, 1.18fr);
  gap: 6px;
  align-items: stretch;
}

.settings label,
.adjustPanel label {
  display: grid;
  grid-template-columns: max-content 58px 24px;
  align-items: center;
  gap: 6px;
  min-height: 24px;
  padding: 3px 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.settingsGroup label {
  min-height: 22px;
  padding: 1px 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.settingsGroup .thresholdControl {
  min-height: 24px;
  padding: 1px 0;
}

.settingsGroup > .switch {
  padding-top: 2px;
}

.productionSettings,
.advancedBackground {
  padding-top: 1px;
}

.productionSettings summary,
.advancedBackground summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) max-content;
  align-items: center;
  gap: 8px;
  min-height: 24px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
  list-style: none;
  user-select: none;
  -webkit-user-select: none;
}

.productionSettings summary {
  grid-template-columns: minmax(0, 1fr);
}

.productionSettings summary::-webkit-details-marker,
.advancedBackground summary::-webkit-details-marker {
  display: none;
}

.productionSettings summary > span::before,
.advancedBackground summary > span::before {
  content: "▶";
  display: inline-block;
  width: 12px;
  margin-right: 3px;
  color: var(--ink);
  font-size: 10px;
  transform: translateY(-1px);
}

.productionSettings[open] summary > span::before,
.advancedBackground[open] summary > span::before {
  transform: translateY(-1px) rotate(90deg);
}

.advancedBackground summary .uvDtfModeControl {
  display: grid;
  grid-template-columns: 16px max-content;
  align-items: center;
  gap: 7px;
  min-height: 22px;
  padding: 0;
  color: var(--ink);
  font-size: 11px;
  font-weight: 400;
  cursor: pointer;
}

.advancedBackgroundBody {
  display: grid;
  gap: 6px;
  padding-top: 5px;
}

.productionSettingsBody {
  display: grid;
  gap: 6px;
  padding-top: 7px;
}

.productionSettingsBody .settingsSection:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.freeLayoutRow {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  padding-top: 2px;
}

.photoFaceOptions {
  display: none;
  gap: 6px;
  padding: 6px 0 0 22px;
}

.settingsSection:has(#photoFaceMode:checked) .photoFaceOptions {
  display: grid;
}

.freeLayoutRow > label {
  min-height: 24px;
  padding: 1px 0;
}

.freeSplitControl {
  display: grid;
  grid-template-columns: max-content minmax(56px, max-content) 56px;
  column-gap: 8px;
  align-items: center;
  justify-self: end;
  min-width: 0;
}

.settings .freeSplitControl {
  grid-template-columns: max-content minmax(56px, max-content) 56px;
}

.freeSplitControl input[type="range"] {
  width: 56px;
  min-width: 56px;
  max-width: 56px;
}

.freeSplitControl .rangeValue {
  font-size: 11px;
  margin-right: 8px;
  min-width: 0;
  white-space: nowrap;
}

.settings input[type="number"],
.adjustPanel input[type="number"] {
  width: 100%;
  padding: 2px 5px;
  border: 1px solid #d5cdc5;
  border-radius: 6px;
  font-size: 12px;
  text-align: right;
}

.settings input[type="range"] {
  min-width: 129px;
  accent-color: var(--accent);
}

.settings .freeSplitControl input[type="range"] {
  width: 56px;
  min-width: 56px;
  max-width: 56px;
}

.settings .rangeControl {
  grid-template-columns: minmax(92px, 1fr) 34px minmax(120px, 1fr);
}

.settings .thresholdControl,
.settings .smallPieceControl {
  grid-template-columns: minmax(92px, 1fr) 34px minmax(120px, 1fr);
}

.settings .freeLayoutRow .freeSplitControl {
  grid-template-columns: max-content minmax(56px, max-content) 56px;
}

.settings .freeLayoutRow .freeSplitControl input[type="range"] {
  width: 56px;
  min-width: 56px;
  max-width: 56px;
}

.adjustPanel .adjustRangeControl {
  grid-template-columns: minmax(78px, 1fr) 36px minmax(129px, 1fr);
}

.adjustPanel input[type="range"] {
  min-width: 129px;
  accent-color: var(--accent);
}

.settings em,
.adjustPanel em {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
}

.settings span {
  font-size: 12px;
}

.rangeValue {
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
  text-align: right;
}

.settings .switch {
  grid-template-columns: 20px 1fr;
}

.settings .gridAutoSwitch {
  min-height: 24px;
  padding: 3px 6px;
}

.gridSettingRow label:not(.gridAutoSwitch) {
  grid-template-columns: max-content 42px;
}

.gridSettingRow .gridAutoSwitch {
  grid-template-columns: 18px minmax(0, 1fr);
}

.gridSettingRow .gridAutoSwitch span {
  font-size: 11px;
  white-space: nowrap;
}

.switch input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}

#processBtn {
  min-height: 36px;
}

.downloadRow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  min-width: 0;
}

.downloadRow button.isHidden {
  display: none;
}

.downloadRow:has(button.isHidden) {
  grid-template-columns: 1fr;
}

button {
  min-height: 32px;
  border: 0;
  border-radius: 8px;
  background: var(--ink);
  color: white;
  font-weight: 800;
  cursor: pointer;
  font-size: 14px;
  line-height: 1.15;
  padding: 0 8px;
  white-space: nowrap;
}

.actions button {
  width: 100%;
  min-width: 0;
  font-size: 13px;
}

#downloadBtn,
#downloadAllPdfBtn {
  background: var(--accent);
}

#downloadPngBtn,
#downloadAllPngBtn {
  background: #2f7f8f;
}

button:disabled {
  background: #c7c0b8;
  cursor: not-allowed;
}

.actions button:disabled,
#downloadBtn:disabled,
#downloadPngBtn:disabled,
#downloadAllPdfBtn:disabled,
#downloadAllPngBtn:disabled {
  background: #c7c0b8;
  color: white;
  cursor: not-allowed;
  opacity: 0.78;
}

.adjustPanel {
  display: grid;
  gap: 5px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffaf4;
}

.adjustPanel > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.adjustPanel strong {
  font-size: 14px;
}

.adjustPanel span,
#selectedLabel {
  color: var(--muted);
  font-size: 12px;
}

.adjustPanel.isSelected {
  border-color: rgba(233, 79, 100, 0.62);
  background: #fff7f8;
}

.adjustPanel button {
  min-height: 28px;
  background: var(--accent-dark);
  font-size: 14px;
}

.adjustPanel #resetItemAdjustBtn {
  font-size: 13px;
}

.toolRow {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 5px;
}

.pixelToolRow {
  grid-template-columns: 1fr 0.92fr 0.95fr;
}

.whiteSelectToolRow {
  grid-template-columns: 1fr minmax(72px, 1fr) 0.72fr;
}

.whiteSelectToolRow.isHidden {
  display: none;
}

.adjustPanel.isUvDtfMode .cutlineEraseToolRow,
.adjustPanel.isUvDtfMode .cutlineAddToolRow,
.adjustPanel.isUvDtfMode .cutlineMarginControl,
.adjustPanel.isUvDtfMode .cutlineSmoothControl {
  display: none;
}

.whiteSelectToolRow select {
  min-width: 0;
  min-height: 28px;
  padding: 3px 8px;
  border: 1px solid #d5cdc5;
  border-radius: 7px;
  background: white;
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
}

.pixelFillChoice {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  min-height: 28px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.pixelFillChoice label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
}

.pixelFillChoice input {
  width: 14px;
  height: 14px;
  accent-color: var(--accent);
}

.pixelFillChoice span {
  color: var(--ink);
  font-size: 11px;
  font-weight: 800;
}

.adjustPanel .toolButton {
  background: var(--ink);
}

.adjustPanel .toolButton.isActive {
  background: var(--accent);
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.38);
}

.adjustPanel #clearEraserBtn,
.adjustPanel #clearAddBrushBtn,
.adjustPanel #clearWhiteSelectBtn,
.adjustPanel #clearPixelEraseBtn {
  background: var(--ink);
}

.adjustPanel:not(.isSelected) label,
.adjustPanel:not(.isSelected) .toolRow,
.adjustPanel:not(.isSelected) .pixelFillChoice,
.adjustPanel:not(.isSelected) button {
  display: none;
}

.status {
  min-height: 20px;
  margin: 0;
  font-size: 12px;
  line-height: 1.35;
}

.workspace {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
  overflow: hidden;
  border-radius: 8px;
}

.toolbar {
  position: relative;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
}

.toolbar > div:first-child {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.toolbar .toolbarControls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.previewBgToggle {
  min-height: 28px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fffaf7;
  color: var(--ink);
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.previewBgToggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.canvasArea {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  min-height: 0;
  overflow: hidden;
}

.previewSideTools {
  display: flex;
  align-items: center;
  gap: 6px;
  width: auto;
  padding: 0;
}

.canvasFrame {
  display: block;
  position: relative;
  min-width: 0;
  min-height: 0;
  height: 100%;
  overflow: auto;
  padding: 20px;
}

.previewPages {
  display: grid;
  justify-items: center;
  gap: 28px;
}

.previewPageShell {
  position: relative;
  width: max-content;
}

.previewCanvas {
  width: var(--preview-width, calc((100vh - 116px) * 0.707));
  max-width: none;
  border: 1px solid #d6d0ca;
  background: white;
  box-shadow: 0 16px 36px rgba(45, 39, 35, 0.18);
  cursor: crosshair;
}

.previewCanvas.isActive {
  outline: 3px solid rgba(233, 79, 100, 0.7);
  outline-offset: 8px;
}

.deletePageBtn {
  position: absolute;
  top: -11px;
  right: -11px;
  z-index: 12;
  display: none;
  width: 30px;
  height: 30px;
  min-height: 30px;
  padding: 0;
  border-radius: 0;
  background: rgba(233, 79, 100, 0.82);
  color: white;
  font-size: 22px;
  font-weight: 500;
  line-height: 1;
}

.previewPageShell.isActive .deletePageBtn {
  display: grid;
  place-items: center;
}

.deletePageBtn:hover {
  background: var(--accent-dark);
}

.canvasFrame.isBrushMode .previewCanvas {
  cursor: none;
}

.brushCursor {
  position: absolute;
  z-index: 20;
  display: none;
  width: 24px;
  height: 24px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: rgba(233, 79, 100, 0.12);
  pointer-events: none;
  transform: translate(-50%, -50%);
}

.brushCursor.isAdd {
  border-color: #2f9e44;
  background: rgba(47, 158, 68, 0.14);
}

.brushCursor.isPixel {
  border-color: #2471d9;
  background: rgba(36, 113, 217, 0.13);
}

.zoomControl {
  display: grid;
  grid-template-columns: auto minmax(120px, 180px) 44px auto auto;
  align-items: center;
  gap: 8px;
  min-width: 570px;
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.zoomControl input {
  width: 100%;
  accent-color: var(--accent);
}

.zoomControl span,
.zoomControl strong {
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
}

.zoomControl strong {
  text-align: right;
}

.zoomReset {
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fffaf7;
  color: var(--ink);
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
  padding: 5px 8px;
  white-space: nowrap;
}

.zoomReset:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.confirmOverlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  background: rgba(36, 33, 31, 0.28);
}

.confirmDialog {
  display: grid;
  gap: 16px;
  width: min(360px, calc(100vw - 40px));
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf9;
  box-shadow: 0 18px 48px rgba(36, 33, 31, 0.22);
}

.confirmDialog strong {
  color: var(--ink);
  font-size: 15px;
}

.confirmActions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.confirmActions button {
  min-height: 34px;
  font-size: 13px;
}

.confirmCancelBtn {
  border: 1px solid var(--line);
  background: white;
  color: var(--ink);
}

.confirmDeleteBtn {
  background: var(--accent-dark);
}

@media (max-width: 980px) {
  .app {
    grid-template-columns: 1fr;
    padding: 14px;
  }

  .controls {
    position: static;
    overflow: visible;
    max-height: none;
  }

  body,
  .app {
    height: auto;
    min-height: 100vh;
    overflow: visible;
  }

  .uploadRow.hasFiles {
    grid-template-columns: 1fr;
  }

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

  .previewSideTools {
    flex-wrap: wrap;
    padding: 0;
    width: auto;
  }

  .zoomControl {
    order: 3;
    grid-column: 1 / -1;
    width: 100%;
    min-width: 0;
    grid-template-columns: auto 1fr 44px auto auto;
  }

  .canvasFrame {
    padding: 14px;
  }

  .previewCanvas {
    width: var(--preview-width, calc(100vh * 0.62));
  }
}