/* ---------------------------
   Depixel — Pixel Art Upscaler
---------------------------- */

.depixel {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--sp-8) 0;
}

/* Header */
.depixel__header {
  margin-bottom: var(--sp-6);
}

.depixel__title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--text-heading);
  margin: 0 0 var(--sp-2);
  letter-spacing: -0.02em;
}

.depixel__subtitle {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--muted);
  margin: 0;
}

/* Drop zone */
.depixel__drop {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-8) var(--sp-6);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--t-ui) var(--ease),
              background var(--t-ui) var(--ease);
  margin-bottom: var(--sp-4);
}

.depixel__drop:hover,
.depixel__drop--active {
  border-color: var(--accent);
  background: var(--accent-subtle);
}

.depixel__dropEmpty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  color: var(--muted);
}

.depixel__dropText {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--muted);
  margin: 0;
}

.depixel__dropText strong {
  color: var(--accent);
}

.depixel__dropHint {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--muted-2);
  margin: 0;
}

/* Loaded state */
.depixel__dropLoaded {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-align: left;
  justify-content: center;
}

.depixel__thumb {
  width: 40px;
  height: 40px;
  object-fit: contain;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  border-radius: var(--radius-sm);
  background: var(--chip);
}

.depixel__dropInfo {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.depixel__fileName {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.depixel__fileSize {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--muted-2);
}

.depixel__dropChange {
  margin-left: var(--sp-2);
  padding: var(--sp-1) var(--sp-3);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 12px;
  cursor: pointer;
  transition: var(--t);
}

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

/* Toolbar */
.depixel__toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--sp-4);
  flex-wrap: wrap;
}

.depixel__toolbarLeft,
.depixel__toolbarRight {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

.depixel__toolbarSep {
  width: 1px;
  height: 20px;
  background: var(--border);
  flex-shrink: 0;
}

.depixel__select {
  padding: var(--sp-1) var(--sp-2);
  padding-right: var(--sp-4);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: normal;
  outline: none;
  transition: border-color var(--t-micro) var(--ease);
  width: auto;
  flex: none;
}

.depixel__select:focus {
  border-color: var(--accent);
}

.depixel__fieldInline {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.depixel__fieldLabel {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--muted-2);
  text-transform: uppercase;
}

.depixel__inputSm {
  width: 48px;
  padding: var(--sp-1) var(--sp-2);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: normal;
  outline: none;
  transition: border-color var(--t-micro) var(--ease);
}

.depixel__inputSm:focus {
  border-color: var(--accent);
}

/* Toggle checkboxes */
.depixel__toggle {
  display: inline-flex;
  align-items: center;
  align-self: center;
  margin-bottom: 0;
  gap: 5px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.depixel__toggle input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 14px;
  min-width: 14px;
  max-width: 14px;
  height: 14px;
  padding: 0;
  margin: 0;
  line-height: normal;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  position: relative;
  transition: var(--t);
}

.depixel__toggle input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}

.depixel__toggle input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  top: 1px;
  left: 4px;
  width: 4px;
  height: 7px;
  border: solid #fff;
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg);
}

/* Scale button */
.depixel__btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: var(--sp-1) var(--sp-3);
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--t-ui) var(--ease),
              opacity var(--t-ui) var(--ease);
  white-space: nowrap;
}

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

.depixel__btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Previews */
.depixel__previews {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
  margin-bottom: var(--sp-4);
}

/* Panel */
.depixel__panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.depixel__panelHeader {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--border-subtle);
  min-height: 60px;
  box-sizing: border-box;
  position: relative;
}

.depixel__progressBar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.depixel__progressBar--active {
  opacity: 1;
}

.depixel__progressBar--active::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 40%;
  background: var(--accent);
  will-change: transform;
  animation: depixelProgress 1.2s ease-in-out infinite;
}

@keyframes depixelProgress {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

.depixel__panelTitle {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.depixel__panelInfo {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-2);
}

.depixel__panelActions {
  margin-left: auto;
  display: flex;
  gap: var(--sp-1);
}

.depixel__btnIcon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--muted);
  cursor: pointer;
  transition: var(--t);
}

.depixel__btnIcon:hover {
  color: var(--text);
  background: var(--chip);
  border-color: var(--border);
}

/* Zoom controls (in toolbar right) */
.depixel__zoomLevel {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  min-width: 40px;
  text-align: center;
  user-select: none;
}

.depixel__zoomFit {
  padding: 2px var(--sp-2);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 11px;
  cursor: pointer;
  transition: var(--t);
}

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

/* Expanded mode — toolbar + panels go edge to edge */
.depixel--expanded .depixel__toolbar,
.depixel--expanded .depixel__layers,
.depixel--expanded .depixel__previews {
  max-width: none;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding-left: var(--sp-4);
  padding-right: var(--sp-4);
}

/* Canvas wrapper — checkerboard bg for transparency */
.depixel__canvasWrap {
  position: relative;
  min-height: 120px;
  background-color: var(--surface);
  background-image:
    linear-gradient(45deg, rgba(128,128,128,0.08) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(128,128,128,0.08) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(128,128,128,0.08) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(128,128,128,0.08) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  overflow: hidden;
  cursor: grab;
}

.depixel__canvasWrap--dragging {
  cursor: grabbing;
}

.depixel__canvasWrap canvas {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.depixel__canvasWrap img {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  max-width: none;
}

/* Status bar */
.depixel__status {
  font-family: var(--font-sans);
  font-size: 13px;
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius);
  min-height: 20px;
  transition: var(--t);
}

.depixel__status:empty {
  display: none;
}

.depixel__status--success {
  color: #10b981;
  background: rgba(16, 185, 129, 0.1);
}

.depixel__status--error {
  color: #f43f5e;
  background: rgba(244, 63, 94, 0.1);
}

.depixel__status--warning {
  color: #f59e0b;
  background: rgba(245, 158, 11, 0.1);
}

/* SEO content */
.depixel__seo {
  margin-top: var(--sp-12);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--border-subtle);
}

.depixel__seo details {
  border-bottom: 1px solid var(--border-subtle);
}

.depixel__seo details:last-child {
  border-bottom: none;
}

.depixel__seo summary {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted-2);
  padding: var(--sp-3) 0;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  transition: color var(--t-micro) var(--ease);
}

.depixel__seo summary::-webkit-details-marker {
  display: none;
}

.depixel__seo summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-2);
  flex-shrink: 0;
}

.depixel__seo details[open] summary::before {
  content: "\2212";
}

.depixel__seo summary:hover {
  color: var(--muted);
}

.depixel__seo p {
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.65;
  color: var(--text);
  margin: 0 0 var(--sp-4);
  padding-left: var(--sp-5);
}

.depixel__seo a {
  color: var(--accent);
  text-decoration: none;
}

.depixel__seo a:hover {
  text-decoration: underline;
}

/* Overlay canvas — rendered at display resolution for thin crisp lines */
.depixel__overlay {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 2;
}

/* Selection cursor */
.depixel__canvasWrap--selecting {
  cursor: crosshair;
}

/* Tool button active state */
.depixel__btnIcon--tool.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.depixel__btnIcon--tool.active:hover {
  background: var(--accent-hover);
}

/* Layer panel */
.depixel__layers {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--sp-4);
  overflow: hidden;
}

.depixel__layersHeader {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
}

.depixel__layersTitle {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.depixel__layersActions {
  margin-left: auto;
  display: flex;
  gap: var(--sp-2);
}

.depixel__layerList:empty {
  display: none;
}

.depixel__layerList:not(:empty) {
  border-top: 1px solid var(--border-subtle);
}

.depixel__layerRow {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  border-bottom: 1px solid var(--border-subtle);
}

.depixel__layerRow:last-child {
  border-bottom: none;
}

.depixel__layerReorder {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 32px;
  flex-shrink: 0;
}

.depixel__btnReorder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 20px;
  padding: 0;
  margin: 0;
  background: transparent;
  border: none;
  color: var(--muted-2);
  font-size: 10px;
  cursor: pointer;
  line-height: 1;
  transition: color 0.15s;
  border-radius: var(--radius-sm);
}

.depixel__btnReorder:hover:not(:disabled) {
  color: var(--text);
  background: var(--chip);
}

.depixel__btnReorder:disabled {
  opacity: 0.2;
  cursor: not-allowed;
}

.depixel__btnVis {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  transition: color 0.15s;
}

.depixel__btnVis svg {
  width: 14px;
  height: 14px;
}

.depixel__btnVis:hover {
  color: var(--text);
  background: var(--chip);
}

.depixel__btnVis--off {
  color: var(--muted-2);
  opacity: 0.5;
}

.depixel__layerRow--hidden {
  opacity: 0.45;
}

.depixel__layerSwatch {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  flex-shrink: 0;
  border: 1px solid rgba(0,0,0,0.1);
}

.depixel__layerLabel {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text);
  flex: 1;
  min-width: 0;
  cursor: pointer;
  user-select: none;
  transition: color 0.15s;
}

.depixel__layerLabel:hover {
  opacity: 0.8;
}

.depixel__mergeSelect {
  max-width: 90px;
}

.depixel__mergeBtn {
  flex-shrink: 0;
}

.depixel__selectSm {
  padding: 2px var(--sp-2);
  padding-right: var(--sp-4);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 12px;
  line-height: normal;
  outline: none;
  width: auto;
  flex: none;
}

.depixel__selectSm:focus {
  border-color: var(--accent);
}

.depixel__btnSm {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px var(--sp-2);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 12px;
  cursor: pointer;
  transition: var(--t);
  white-space: nowrap;
}

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

.depixel__btnSm:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.depixel__btnSm--accent {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

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

.depixel__btnSm--accent:disabled {
  background: var(--accent);
  opacity: 0.4;
}

.depixel__btnSm--danger:hover {
  color: #f43f5e;
  border-color: #f43f5e;
}

/* ---- Mode Toggle ---- */
.depixel__modeToggle {
  display: flex;
  gap: 2px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: fit-content;
  padding: 2px;
  margin-bottom: var(--sp-4);
}

.depixel__modeBtn {
  padding: var(--sp-1) var(--sp-4);
  background: transparent;
  border: none;
  border-radius: calc(var(--radius-lg) - 2px);
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--t-ui) var(--ease),
              color var(--t-ui) var(--ease);
}

.depixel__modeBtn:hover {
  color: var(--text);
}

.depixel__modeBtn--active {
  background: var(--accent);
  color: #fff;
}

.depixel__modeBtn--active:hover {
  color: #fff;
}

/* ---- Batch-mode hiding ---- */
.depixel--batch .depixel__selTools { display: none !important; }
.depixel--batch #depixelScaleBtn { display: none !important; }
.depixel--batch .depixel__toolbarRight { display: none !important; }
.depixel--batch .depixel__layers { display: none !important; }
.depixel--batch .depixel__previews { display: none !important; }

/* ---- Batch container ---- */
.depixel__batch {
  margin-bottom: var(--sp-4);
}

.depixel__batchHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
  flex-wrap: wrap;
}

.depixel__batchInfo {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--muted);
}

.depixel__batchActions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

/* ---- Batch progress ---- */
.depixel__batchProgress {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}

.depixel__batchProgressBar {
  flex: 1;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.depixel__batchProgressBar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: var(--progress, 0%);
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.depixel__batchProgressText {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-2);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ---- Batch grid ---- */
.depixel__batchGrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--sp-3);
}

.depixel__batchCard {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.3s ease, opacity 0.3s ease;
}

.depixel__batchCardCanvas {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--surface);
  background-image:
    linear-gradient(45deg, rgba(128,128,128,0.08) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(128,128,128,0.08) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(128,128,128,0.08) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(128,128,128,0.08) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  overflow: hidden;
}

.depixel__batchCardCanvas canvas {
  max-width: 100%;
  max-height: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.depixel__batchCardFooter {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  border-top: 1px solid var(--border-subtle);
}

.depixel__batchCardName {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--text);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.depixel__batchCardSize {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted-2);
  white-space: nowrap;
}

.depixel__batchCardDl {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--muted);
  cursor: pointer;
  flex-shrink: 0;
  transition: var(--t);
}

.depixel__batchCardDl:hover {
  color: var(--text);
  background: var(--chip);
  border-color: var(--border);
}

/* Card states */
.depixel__batchCard--pending {
  opacity: 0.5;
}

.depixel__batchCard--processing {
  border-color: var(--accent);
  animation: depixelBatchPulse 1.5s ease-in-out infinite;
}

@keyframes depixelBatchPulse {
  0%, 100% { border-color: var(--accent); }
  50% { border-color: var(--border); }
}

.depixel__batchCard--done {
  opacity: 1;
}

.depixel__batchCard--error {
  border-color: #f43f5e;
  background: rgba(244, 63, 94, 0.04);
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .depixel__batchGrid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }
}

@media (max-width: 640px) {
  .depixel {
    padding: var(--sp-6) 0;
  }

  .depixel__title {
    font-size: 22px;
  }

  .depixel__drop {
    padding: var(--sp-6) var(--sp-4);
  }

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

  .depixel__toolbar {
    gap: var(--sp-2);
  }

  .depixel__toolbarLeft,
  .depixel__toolbarRight {
    gap: var(--sp-2);
  }

}