:root {
  color-scheme:light dark;
  --bg:#f3f5f2;
  --surface:#fff;
  --raised:#f7f9f7;
  --ink:#172c27;
  --muted:#51665e;
  --line:#cbd6ce;
  --field:#7b8c81;
  --accent:#146954;
  --focus:#753dc4;
  --danger:#8e2824;
  --radius:18px;
  --touch:48px;
  font-family:system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  color:var(--ink);
  background:var(--bg)
}

@media(prefers-color-scheme:dark) {
  :root {
  --bg:#0f1915;
  --surface:#172820;
  --raised:#20332a;
  --ink:#eef5ef;
  --muted:#b5c7bc;
  --line:#334b3d;
  --field:#829b8d;
  --accent:#146954;
  --focus:#d7bcff;
  --danger:#f2a09a
}

}

* {
  box-sizing:border-box
}
body {
  margin:0;
  background:var(--bg);
  color:var(--ink);
  line-height:1.5;
  padding-bottom:0
}
button,input,select {
  font:inherit;
  color:inherit
}
button,select,summary,label.btn {
  cursor:pointer
}
button:disabled {
  cursor:default;
  opacity:.52
}
button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,a:focus-visible,[role=button]:focus-visible {
  outline:3px solid var(--focus);
  outline-offset:3px
}
.skip-link {
  position:fixed;
  top:-80px;
  left:12px;
  z-index:20;
  padding:12px;
  background:var(--surface);
  color:var(--ink)
}
.skip-link:focus {
  top:12px
}
.app-header {
  max-width:1480px;
  margin:auto;
  min-height:76px;
  padding:12px 20px 8px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  grid-template-rows:auto auto;
  gap:5px 14px;
  align-items:center
}
.brand {
  grid-column:1;
  grid-row:1
}
.tagline {
  grid-column:1/-1;
  grid-row:2
}
.language-control {
  grid-column:2;
  grid-row:1
}
.brand {
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  text-decoration:none;
  font-size:1.125rem;
  font-weight:760;
  letter-spacing:-.04em
}
.brand-mark {
  display:grid;
  place-items:center;
  width:36px;
  height:38px;
  border-radius:11px;
  background:var(--accent);
  color:#fff;
  font-weight:800;
  font-size:20px;
  transform:rotate(-4deg)
}
.tagline {
  font-size:.8125rem;
  color:var(--muted);
  margin:0
}
.language-control {
  display:flex;
  align-items:center;
  gap:8px;
  font-size:.75rem;
  font-weight:650;
  color:var(--muted)
}
select,input[type=text],input[type=number] {
  min-height:48px;
  padding:10px 12px;
  border:1px solid var(--field);
  border-radius:9px;
  background:var(--surface);
  color:var(--ink)
}
.language-control select {
  min-height:44px;
  width:78px;
  padding:7px 10px
}
.app-main {
  max-width:1480px;
  margin:0 auto;
  padding:6px 16px 16px;
  display:flex;
  flex-direction:column;
  gap:14px
}
.image-strip,.canvas-area,.controls-panel {
  min-width:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius)
}
.image-strip {
  padding:14px
}
.image-strip-heading,.preview-toolbar,.panel-heading {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px
}
.image-strip-heading {
  margin-bottom:12px
}
.eyebrow {
  font-size:.6875rem;
  letter-spacing:.09em;
  font-weight:750;
  color:var(--muted);
  margin:0
}
.image-count,.image-index {
  font-size:.75rem;
  color:var(--muted);
  margin:2px 0 0
}
.btn {
  display:inline-flex;
  justify-content:center;
  align-items:center;
  gap:8px;
  min-height:var(--touch);
  padding:10px 14px;
  border:1px solid var(--field);
  border-radius:11px;
  font-size:.875rem;
  font-weight:660;
  text-decoration:none;
  text-align:center;
  transition:background-color .12s,border-color .12s
}
.btn-small {
  min-height:44px;
  padding:8px 12px;
  font-size:.8125rem
}
.btn-primary {
  background:var(--accent);
  color:#fff;
  border-color:var(--accent)
}
.btn-primary:hover:not(:disabled) {
  background:#105541
}
.btn-secondary {
  background:var(--surface);
  color:var(--ink)
}
.btn-secondary:hover:not(:disabled) {
  background:var(--raised)
}
.add-label {
  position:relative;
  flex:none
}
.drop-hint {
  min-height:44px;
  margin:0 0 10px;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px dashed var(--field);
  border-radius:10px;
  color:var(--muted);
  font-size:.75rem
}
.drop-hint.drag-over,.drop-hint:focus-visible {
  border-color:var(--accent);
  color:var(--accent);
  background:var(--raised)
}
.thumbnails {
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding:2px 2px 6px;
  -webkit-overflow-scrolling:touch
}
.thumb {
  position:relative;
  display:flex;
  flex:none;
  align-items:center;
  gap:9px;
  width:min(230px,75vw);
  min-height:64px;
  padding:7px 7px 7px 9px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:11px;
  text-align:left
}
.thumb.active {
  border:2px solid var(--accent);
  background:var(--raised);
  padding:6px 6px 6px 8px
}
.thumb-select {
  flex:1;
  min-width:0;
  display:flex;
  align-items:center;
  gap:9px;
  border:0;
  background:none;
  padding:0;
  text-align:left;
  cursor:pointer
}
.thumb img {
  flex:none;
  width:44px;
  height:46px;
  object-fit:cover;
  border-radius:6px;
  background:var(--raised)
}
.thumb-name {
  overflow:hidden;
  display:-webkit-box;
  -webkit-box-orient:vertical;
  -webkit-line-clamp:2;
  overflow-wrap:anywhere;
  font-size:.75rem;
  line-height:1.3
}
.thumb-meta {
  display:block;
  color:var(--muted);
  font-size:.65rem;
  font-variant-numeric:tabular-nums;
  margin-top:2px
}
.thumb-remove,.logo-remove {
  flex:none;
  display:grid;
  place-items:center;
  width:40px;
  height:40px;
  border-radius:9px;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink);
  font-size:1.2rem
}
.limit-note:empty {
  display:none
}
.limit-note {
  font-size:.75rem;
  color:var(--muted);
  margin:8px 2px 0
}
.canvas-area {
  display:flex;
  flex-direction:column;
  min-height:230px;
  overflow:hidden
}
.preview-toolbar {
  padding:14px 16px;
  border-bottom:1px solid var(--line)
}
.preview-toolbar .eyebrow {
  margin-bottom:3px
}
.active-filename {
  display:block;
  max-width:min(68vw,580px);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  font-size:.8125rem;
  font-weight:650
}
.local-badge {
  flex:none;
  display:flex;
  align-items:center;
  gap:6px;
  border-radius:8px;
  background:var(--raised);
  color:var(--accent);
  padding:5px 9px;
  font-size:.6875rem;
  font-weight:700
}
.local-badge>span:first-child {
  font-size:.55rem
}
.canvas-wrap {
  position:relative;
  display:grid;
  place-items:center;
  min-height:210px;
  max-height:35dvh;
  padding:12px;
  background-color:var(--raised);
  background-image:linear-gradient(45deg,color-mix(in srgb,var(--line) 45%,transparent) 25%,transparent 25%),linear-gradient(-45deg,color-mix(in srgb,var(--line) 45%,transparent) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,color-mix(in srgb,var(--line) 45%,transparent) 75%),linear-gradient(-45deg,transparent 75%,color-mix(in srgb,var(--line) 45%,transparent) 75%);
  background-size:18px 18px;
  background-position:0 0,0 9px,9px -9px,-9px 0
}
.canvas-wrap.has-image {
  min-height:0
}
.canvas-wrap canvas {
  display:none;
  max-width:100%;
  max-height:35dvh;
  width:auto;
  height:auto;
  touch-action:pan-x pan-y;
  object-fit:contain;
  border-radius:4px
}
.canvas-wrap.has-image canvas {
  display:block;
  touch-action:none;
  cursor:grab
}
.canvas-wrap canvas.dragging {
  cursor:grabbing
}
.empty-state {
  width:min(100%,390px);
  min-height:190px;
  display:grid;
  justify-items:center;
  align-content:center;
  gap:8px;
  padding:18px;
  text-align:center
}
.empty-icon {
  width:40px;
  height:44px;
  display:grid;
  place-items:center;
  background:var(--accent);
  border-radius:12px;
  color:white;
  font-weight:800;
  font-size:1.25rem;
  transform:rotate(-4deg);
  margin-bottom:5px
}
.empty-state h2 {
  font-size:1.125rem;
  line-height:1.25;
  margin:0;
  letter-spacing:-.03em
}
.empty-state p,.preview-help {
  max-width:42ch;
  margin:0;
  color:var(--muted);
  font-size:.75rem
}
.empty-button {
  margin-top:6px
}
.canvas-wrap.has-image .empty-state {
  display:none
}
.preview-help {
  padding:10px 16px 12px;
  max-width:none
}
.controls-panel {
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:15px
}
.panel-heading h1 {
  font-size:1.125rem;
  margin:2px 0 0;
  letter-spacing:-.03em
}
.control-group {
  display:flex;
  flex-direction:column;
  gap:7px;
  min-width:0
}
.mode-group {
  border:0;
  padding:0;
  margin:0
}
.group-label,.mode-group legend {
  font-size:.8rem;
  font-weight:700;
  padding:0;
  color:var(--ink)
}
.segmented {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:4px;
  padding:4px;
  border-radius:11px;
  background:var(--raised)
}
.seg-btn {
  min-width:0;
  min-height:44px;
  border:1px solid transparent;
  border-radius:8px;
  background:transparent;
  color:var(--muted);
  font-size:.8125rem;
  font-weight:650
}
.seg-btn[aria-pressed=true] {
  border-color:var(--accent);
  background:var(--surface);
  color:var(--accent);
  box-shadow:0 1px 4px #142d2520
}
.field-label {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:8px;
  font-size:.8125rem;
  font-weight:650
}
.control-group input[type=text] {
  width:100%;
  font-size:.9375rem
}
.control-group select {
  width:100%
}
.hint-text {
  margin:0;
  color:var(--muted);
  font-size:.75rem;
  line-height:1.4
}
.value-badge {
  flex:none;
  background:var(--raised);
  border:1px solid var(--line);
  border-radius:7px;
  padding:2px 7px;
  font-size:.75rem;
  font-variant-numeric:tabular-nums
}
.range-group {
  gap:2px
}
.control-group input[type=range] {
  width:100%;
  min-height:44px;
  accent-color:var(--accent);
  cursor:pointer
}
.control-group input[type=color] {
  width:100%;
  height:48px;
  padding:4px;
  border:1px solid var(--field);
  border-radius:9px;
  background:var(--surface)
}
.position-grid {
  display:grid;
  grid-template-columns:repeat(3,48px);
  gap:6px
}
.pos-btn {
  width:48px;
  height:48px;
  border:1px solid var(--field);
  border-radius:9px;
  background:var(--surface);
  font-size:1rem
}
.pos-btn[aria-pressed=true] {
  background:var(--raised);
  border:2px solid var(--accent);
  color:var(--accent);
  font-weight:700
}
.warning {
  color:var(--danger);
  font-weight:600
}
.xy-fields {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
  max-width:250px
}
.xy-fields label {
  display:grid;
  gap:5px;
  font-size:.75rem;
  color:var(--muted)
}
.xy-fields input {
  min-height:44px
}
.advanced-control {
  border-top:1px solid var(--line);
  padding-top:3px
}
.advanced-control summary {
  min-height:48px;
  padding:11px 2px;
  font-size:.875rem;
  font-weight:650
}
.advanced-control>.control-group {
  margin-bottom:10px
}
.advanced-control[open] {
  padding-bottom:6px
}
.sub-actions {
  display:flex;
  gap:9px
}
.sub-actions .btn {
  flex:1;
  padding-inline:8px;
  font-size:.8rem
}
.logo-preview {
  position:relative;
  width:76px;
  height:76px;
  padding:3px;
  border:1px solid var(--line);
  border-radius:9px;
  background-color:var(--raised);
  background-image:linear-gradient(45deg,#9993 25%,transparent 25%),linear-gradient(-45deg,#9993 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#9993 75%),linear-gradient(-45deg,transparent 75%,#9993 75%);
  background-size:12px 12px;
  background-position:0 0,0 6px,6px -6px,-6px 0
}
.logo-preview img {
  width:100%;
  height:100%;
  object-fit:contain
}
.logo-remove {
  position:absolute;
  right:-12px;
  top:-12px;
  width:36px;
  height:36px;
  background:var(--surface);
  color:var(--danger)
}
[hidden] {
  display:none!important
}
.export-area {
  position:sticky;
  z-index:10;
  left:auto;
  right:auto;
  bottom:0;
  padding:10px 16px max(10px,env(safe-area-inset-bottom));
  background:color-mix(in srgb,var(--surface) 96%,transparent);
  border-top:1px solid var(--line);
  box-shadow:0 -6px 24px #10231b10;
  backdrop-filter:blur(10px)
}
.export-controls {
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(112px,42%);
  align-items:end;
  gap:10px
}
.quality-group {
  min-width:0
}
.quality-group>.field-label {
  margin-bottom:5px
}
.quality-group select {
  width:100%;
  min-height:44px;
  padding:8px 10px;
  font-size:.8125rem
}
.export-controls .btn {
  min-height:48px;
  padding:8px 10px;
  font-size:.8125rem;
  line-height:1.25
}
.export-dimensions {
  font-size:.6875rem;
  color:var(--muted);
  min-height:1em;
  margin:4px 0 0
}
.export-message {
  min-height:0;
  margin:0;
  color:var(--muted);
  font-size:.75rem
}
.export-message:not(:empty) {
  padding-top:5px
}
.export-message[role=alert] {
  color:var(--danger)
}
#progressBar {
  width:100%;
  height:7px;
  accent-color:var(--accent);
  margin:7px 0 0
}
.save-link {
  width:100%;
  margin-top:7px;
  min-height:44px
}
.privacy-note {
  display:flex;
  align-items:flex-start;
  gap:7px;
  font-size:.6875rem;
  line-height:1.35;
  color:var(--muted);
  margin:5px 2px 0
}
.privacy-note>span:first-child {
  flex:none;
  color:var(--accent);
  font-size:.5rem;
  padding-top:3px
}
.app-footer {
  max-width:1480px;
  margin:0 auto;
  padding:0 18px 20px;
  color:var(--muted);
  font-size:.6875rem
}
.app-footer p {
  margin:12px 0
}
body.busy .app-main {
  pointer-events:none;
  opacity:.76
}
body.busy .export-area {
  pointer-events:auto
}
@media(max-height:620px) {
  .export-area {
  position:sticky
}
.app-main {
  padding-bottom:10px
}
body {
  padding-bottom:0
}

}

@media(min-width:760px) {
  .app-header {
  padding:16px 24px;
  grid-template-columns:auto minmax(0,1fr) auto;
  grid-template-rows:auto;
  min-height:84px
}
.brand {
  grid-column:1;
  grid-row:1
}
.tagline {
  grid-column:2;
  grid-row:1
}
.language-control {
  grid-column:3;
  grid-row:1
}
.app-main {
  padding:8px 24px 18px;
  gap:16px
}
.image-strip {
  padding:15px
}
.canvas-wrap {
  min-height:300px
}
.canvas-wrap canvas {
  max-height:57dvh
}
.controls-panel {
  padding:20px;
  gap:16px
}
.drop-hint {
  display:none
}
.thumb {
  width:min(260px,38vw)
}
.export-area {
  padding:12px 24px max(12px,env(safe-area-inset-bottom))
}
.export-controls {
  grid-template-columns:minmax(160px,240px) minmax(180px,240px) minmax(180px,240px);
  justify-content:center;
  align-items:center
}
.quality-group {
  grid-row:span 2
}
.export-message:not(:empty) {
  grid-column:2/4;
  padding:0
}
.save-link {
  max-width:510px;
  margin:8px auto 0
}
.app-footer {
  padding:0 24px 18px
}

}

@media(min-width:1100px) {
  body {
  padding-bottom:150px
}
.app-main {
  min-height:calc(100dvh - 190px);
  display:grid;
  grid-template-columns:88px minmax(0,1fr) 350px;
  grid-template-rows:minmax(0,1fr);
  align-items:stretch;
  gap:18px;
  overflow:visible
}
.image-strip {
  grid-column:1;
  grid-row:1;
  min-height:0;
  padding:14px 9px;
  display:flex;
  flex-direction:column;
  align-items:stretch
}
.image-strip-heading {
  justify-content:center;
  margin:0 0 10px
}
.image-strip-heading>div {
  display:none
}
.add-label {
  width:60px;
  min-width:60px;
  overflow:hidden;
  padding:7px;
  font-size:.65rem;
  flex-direction:column;
  gap:1px
}
.drop-hint {
  display:none
}
.thumbnails {
  display:flex;
  flex-direction:column;
  overflow:auto;
  gap:8px
}
.thumb {
  width:100%;
  min-height:78px;
  flex-direction:column;
  gap:4px;
  padding:5px
}
.thumb.active {
  padding:4px
}
.thumb-select {
  width:100%;
  flex-direction:column;
  gap:2px;
  text-align:center
}
.thumb img {
  width:40px;
  height:38px
}
.thumb-name {
  font-size:.625rem;
  text-align:center;
  -webkit-line-clamp:1
}
.thumb-meta {
  display:none
}
.thumb-remove {
  position:absolute;
  right:2px;
  top:2px;
  width:32px;
  height:32px;
  border-color:transparent;
  background:color-mix(in srgb,var(--surface) 90%,transparent);
  font-size:1rem
}
.canvas-area {
  grid-column:2;
  grid-row:1;
  min-height:0
}
.canvas-wrap {
  flex:1;
  min-height:0;
  max-height:none;
  padding:20px
}
.canvas-wrap canvas {
  max-height:min(69dvh,900px)
}
.preview-toolbar {
  padding:15px 18px
}
.preview-help {
  padding:10px 18px
}
.controls-panel {
  grid-column:3;
  grid-row:1;
  max-height:calc(100dvh - 190px);
  overflow:auto;
  align-self:start
}
.panel-heading {
  align-items:flex-end
}
.position-grid {
  grid-template-columns:repeat(3,48px)
}
.export-area {
  position:fixed;
  left:max(0px,calc((100% - 1440px)/2 + 120px));
  right:max(0px,calc((100% - 1440px)/2 + 382px));
  border:1px solid var(--line);
  border-bottom:0;
  border-radius:14px 14px 0 0
}
.app-footer {
  padding-left:120px
}

}

@media(prefers-reduced-motion:reduce) {
  *,*::before,*::after {
  scroll-behavior:auto!important;
  transition-duration:.01ms!important;
  animation-duration:.01ms!important
}

}

@media(forced-colors:active) {
  .btn-primary {
  border:2px solid ButtonText
}
.seg-btn[aria-pressed=true],.pos-btn[aria-pressed=true] {
  outline:2px solid Highlight
}
.local-badge {
  border:1px solid CanvasText
}

}

@media(max-width:759px) {
  .export-area .privacy-note {
  display:none
}

}
@media(max-width:380px) {
  .app-header {
  grid-template-columns:auto auto;
  justify-content:space-between
}
.tagline,.language-control>span {
  display:none
}

}