:root {
  font-family: Inter, system-ui, sans-serif;
  color: #24252c;
  background: #f5f6f8;
  --accent: #5454e8;
  --line: #dfe1e8;
  --surface: #fff;
  --muted: #6b6d79;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
.product-info {
  padding: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.product-info p {
  max-width: 640px;
  margin: 0 auto;
  font-size: 14px;
  line-height: 1.6;
}
button,
input,
select {
  font: inherit;
}
button,
.file-button,
.start {
  cursor: pointer;
}
button {
  border: 1px solid var(--line);
  background: var(--surface);
  color: inherit;
  border-radius: 6px;
  padding: 9px 12px;
  min-height: 40px;
}
button:hover:not(:disabled) {
  border-color: var(--accent);
}
button:disabled {
  opacity: 0.45;
  cursor: default;
}
button:focus-visible,
input:focus-visible,
canvas:focus-visible,
select:focus-visible,
a:focus-visible {
  outline: 3px solid #7777fa;
  outline-offset: 3px;
}
header {
  height: 64px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.brand {
  font-size: 25px;
  font-weight: 800;
  color: var(--accent);
  text-decoration: none;
}
.brand img {
  display: block;
  width: 154px;
  height: 40px;
}
.edition {
  font-size: 12px;
  border-left: 1px solid var(--line);
  padding-left: 12px;
  color: var(--muted);
}
.privacy {
  margin-left: auto;
  font-size: 12px;
  color: var(--muted);
}
main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  height: calc(100dvh - 64px);
}
.workspace {
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.file-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  flex-wrap: wrap;
}
.file-button {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 14px;
  overflow: hidden;
}
.file-button:focus-within,
.start:focus-within {
  outline: 3px solid #7777fa;
}
.file-button input,
.start input {
  position: absolute;
  inset: 0;
  opacity: 0;
  width: 100%;
  cursor: pointer;
}
#file-info {
  font-size: 12px;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 240px;
}
#export {
  margin-left: auto;
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.viewer {
  flex: 1;
  min-height: 0;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #e9ebf0;
  margin: 0 20px;
  border: 1px solid var(--line);
  touch-action: pan-y;
}
#preview {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}
.empty {
  text-align: center;
  padding: 24px;
}
.empty h1 {
  font-size: 28px;
  font-weight: 650;
  margin: 0 0 12px;
}
.empty p {
  color: var(--muted);
  font-size: 15px;
}
.start {
  display: inline-block;
  position: relative;
  background: var(--accent);
  color: #fff;
  padding: 12px 24px;
  border-radius: 6px;
  margin: 18px 0;
}
.empty small {
  display: block;
  color: var(--muted);
}
.transport {
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
#status {
  font-size: 12px;
  color: var(--muted);
  margin-left: auto;
  max-width: 400px;
}
aside {
  border-left: 1px solid var(--line);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.tools {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  padding: 8px;
  border-bottom: 1px solid var(--line);
  gap: 2px;
}
.tools button {
  border: 0;
  padding: 6px 0;
  font-size: 20px;
  background: transparent;
  min-width: 0;
}
.tools span {
  display: block;
  font-size: 11px;
  margin-top: 4px;
}
.tools [aria-selected="true"] {
  color: var(--accent);
  background: #f0f0ff;
}
.inspector {
  overflow: auto;
  padding: 20px;
}
h2 {
  font-size: 18px;
  margin: 0 0 22px;
}
h3 {
  font-size: 13px;
  margin: 22px 0 12px;
}
.control {
  margin-bottom: 18px;
}
.control-top {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  margin-bottom: 8px;
}
.control-top label {
  flex: 1;
}
.control-top input[type="number"] {
  width: 65px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  color: inherit;
}
.control-top button {
  padding: 0;
  border: 0;
  min-height: 24px;
  width: 24px;
  color: var(--muted);
}
input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
  height: 24px;
  margin: 0;
  touch-action: pan-y;
}
.note {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}
.check {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  margin: 16px 0;
}
.check input {
  accent-color: var(--accent);
}
select {
  width: 100%;
  border: 1px solid var(--line);
  padding: 10px;
  border-radius: 5px;
  background: var(--surface);
  color: inherit;
  margin: 8px 0 18px;
}
#reference-preview {
  height: 110px;
  background: #f4f5f8;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  font-size: 12px;
  color: var(--muted);
}
#reference-preview img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
}
#match {
  width: 100%;
  background: var(--accent);
  color: white;
  margin-bottom: 22px;
}
#wheel {
  display: block;
  max-width: 100%;
  margin: 14px auto;
  touch-action: none;
}
.segments {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.segments button {
  font-size: 11px;
  padding: 5px;
}
.segments [aria-pressed="true"] {
  border-color: var(--accent);
  color: var(--accent);
}
#histogram,
#curve-preview {
  width: 100%;
  display: block;
  background: #f4f5f8;
  margin-top: 8px;
}
.commands {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.crop-box {
  position: absolute;
  border: 2px solid white;
  box-shadow:
    0 0 0 1px #222,
    0 0 0 9999px #0005;
  touch-action: none;
  cursor: move;
  pointer-events: auto;
  background:
    linear-gradient(
      to right,
      transparent 33.2%,
      #fff6 33.3%,
      transparent 33.6%,
      transparent 66.5%,
      #fff6 66.6%,
      transparent 66.9%
    ),
    linear-gradient(
      to bottom,
      transparent 33.2%,
      #fff6 33.3%,
      transparent 33.6%,
      transparent 66.5%,
      #fff6 66.6%,
      transparent 66.9%
    );
}
[hidden] {
  display: none !important;
}
dialog {
  border: 1px solid var(--line);
  border-radius: 8px;
  max-width: 360px;
  padding: 24px;
  background: var(--surface);
  color: inherit;
}
dialog::backdrop {
  background: #0006;
}
#output-size {
  font-size: 13px;
  color: var(--muted);
}
.icon {
  width: 20px;
  height: 20px;
  vertical-align: middle;
  display: inline-block;
  flex: none;
}
.tools .icon {
  width: 22px;
  height: 22px;
}
.file-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.transport #undo,
.transport #redo {
  width: 40px;
  height: 40px;
  padding: 8px;
}
.tools [aria-selected="true"] .icon {
  filter: invert(31%) sepia(94%) saturate(1100%) hue-rotate(220deg);
}
@media (max-width: 760px) {
  header {
    height: 56px;
    padding: 0 16px;
  }
  .privacy {
    font-size: 10px;
  }
  .brand {
    font-size: 23px;
  }
  main {
    height: auto;
    min-height: calc(100dvh - 56px);
    display: flex;
    flex-direction: column;
  }
  .workspace {
    min-height: 50dvh;
  }
  .file-bar {
    padding: 12px;
    gap: 6px;
  }
  .file-button {
    padding: 9px 10px;
    font-size: 12px;
  }
  #file-info {
    order: 4;
    max-width: 100%;
    width: 100%;
    font-size: 11px;
  }
  .viewer {
    height: 40dvh;
    flex: none;
    margin: 0 12px;
    min-height: 230px;
  }
  .empty h1 {
    font-size: 23px;
  }
  .transport {
    padding: 10px 12px;
    gap: 6px;
  }
  .transport button {
    font-size: 12px;
    padding: 7px 9px;
  }
  #status {
    width: 100%;
    max-width: none;
    margin: 4px 0 0;
  }
  aside {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .tools {
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--surface);
  }
  .tools button {
    min-height: 50px;
  }
  .inspector {
    overflow: visible;
    padding: 18px 20px;
  }
  .control {
    margin-bottom: 20px;
  }
  .control-top {
    font-size: 13px;
  }
  input[type="range"] {
    height: 32px;
  }
  #wheel {
    width: 190px;
    height: 190px;
  }
}
@media (prefers-color-scheme: dark) {
  .icon {
    filter: invert(1);
  }
  .tools [aria-selected="true"] .icon {
    filter: invert(65%) sepia(30%) saturate(1500%) hue-rotate(205deg);
  }
}
@media (prefers-color-scheme: dark) {
  :root {
    color: #e8e9ef;
    background: #17181c;
    --surface: #222329;
    --line: #393a43;
    --muted: #aaadb9;
  }
  .viewer {
    background: #121318;
  }
  .tools [aria-selected="true"] {
    background: #34334d;
  }
  #reference-preview,
  #histogram,
  #curve-preview {
    background: #191a20;
  }
}