:root {
  color-scheme: light;
  --pm-bg: #fbfbfc;
  --pm-surface: #ffffff;
  --pm-surface-soft: #f6f7f9;
  --pm-border: #e8e8ec;
  --pm-border-strong: #d9dce3;
  --pm-text: #17181c;
  --pm-muted: #7b7f89;
  --pm-blue: #005bff;
  --pm-blue-soft: #eef4ff;
  --pm-shadow: none;
  --pm-radius: 12px;
  --pm-font: "IBM Plex Mono", "SF Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --pm-mono: var(--pm-font);
}

* {
  box-sizing: border-box;
}

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

body {
  background: var(--pm-bg);
  color: var(--pm-text);
  font-family: var(--pm-font);
  overflow: hidden;
}

button,
input,
select {
  font: inherit;
}

button,
label {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
.pixel-button:focus-visible,
.mini-button:focus-visible {
  outline: 3px solid rgba(0, 91, 255, 0.24);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.pixel-app {
  display: grid;
  width: min(100%, 1500px);
  height: 100vh;
  margin: 0 auto;
  padding: 18px;
}

.pixel-brand {
  display: block;
  min-width: 0;
}

.pixel-kicker,
.pixel-subtitle,
.panel-head span,
.size-row label,
.control-group label,
.toast {
  color: var(--pm-muted);
}

.pixel-kicker {
  margin: 0 0 6px;
  font-family: var(--pm-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 6px;
  font-family: var(--pm-mono);
  font-size: 24px;
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.pixel-mascot-title {
  display: inline-block;
  font-family: "IBM Plex Mono", var(--pm-mono);
  font-size: 30px;
  font-weight: 700;
  transform-origin: 50% 65%;
  animation: mascotWiggle 1.8s steps(2, end) infinite;
}

@keyframes mascotWiggle {
  0%,
  100% {
    transform: scaleX(1) translateY(0);
  }

  50% {
    transform: scaleX(-1) translateY(1px);
  }
}

h2 {
  margin-bottom: 0;
  font-family: var(--pm-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

h3 {
  margin: 14px 0 8px;
  color: var(--pm-muted);
  font-family: var(--pm-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.pixel-subtitle {
  margin-bottom: 0;
  font-family: "IBM Plex Mono", var(--pm-mono);
  font-size: 12px;
  line-height: 1.45;
}

.canvas-controls,
.range-row,
.control-grid,
.size-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pixel-button,
.mini-button,
.tool-button {
  border: 1px solid var(--pm-border-strong);
  border-radius: 8px;
  background: #fff;
  color: var(--pm-text);
  cursor: pointer;
  transition:
    border-color 140ms ease,
    background-color 140ms ease,
    color 140ms ease,
    transform 140ms ease,
    box-shadow 140ms ease;
}

.pixel-button {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  text-decoration: none;
  font-family: var(--pm-mono);
  font-size: 12px;
  font-weight: 700;
}

.pixel-button:not(.pixel-button--ghost),
.tool-button.is-active {
  border-color: var(--pm-blue);
  background: var(--pm-blue);
  color: #fff;
}

.pixel-button:hover,
.mini-button:hover,
.tool-button:hover {
  border-color: #c8cdd8;
  background: var(--pm-surface-soft);
}

.pixel-button:not(.pixel-button--ghost):hover,
.tool-button.is-active:hover {
  border-color: var(--pm-blue);
  background: var(--pm-blue);
  color: #fff;
}

.pixel-button--ghost {
  background: var(--pm-surface);
}

.editor-shell {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr) 310px;
  gap: 10px;
  align-items: stretch;
  min-height: 0;
}

.panel,
.canvas-panel {
  border: 1px solid var(--pm-border);
  border-radius: var(--pm-radius);
  background: #fff;
  box-shadow: var(--pm-shadow);
}

.panel {
  display: grid;
  gap: 14px;
  max-height: 100%;
  overflow: auto;
  padding: 12px 16px 12px 12px;
  scrollbar-gutter: stable;
}

.panel--right {
  gap: 0;
  overflow: auto;
}

.panel-section {
  padding: 12px;
  border-bottom: 1px solid var(--pm-border);
}

.panel-section--brand {
  padding: 16px 12px 18px;
}

.panel-section:last-child {
  border-bottom: 0;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.panel-head--compact {
  margin-bottom: 0;
}

.panel-head span {
  font-family: var(--pm-mono);
  font-size: 11px;
}

.panel-divider {
  height: 1px;
  background: var(--pm-border);
}

.panel-divider--spaced {
  margin-top: 8px;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.tool-button,
.mini-button {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 9px;
  font-family: var(--pm-mono);
  font-size: 12px;
  font-weight: 700;
}

.control-group {
  display: grid;
  gap: 8px;
}

.control-label {
  margin-top: 4px;
  color: var(--pm-muted);
  font-family: var(--pm-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.range-card {
  display: flex;
  align-items: center;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--pm-border);
  border-radius: 9px;
  background: var(--pm-surface-soft);
}

.range-card input {
  width: 100%;
}

.range-row input {
  min-width: 0;
  flex: 1;
}

output,
#zoom-output {
  min-width: 42px;
  color: var(--pm-muted);
  font-family: var(--pm-mono);
  font-size: 12px;
  text-align: right;
}

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

.mini-button[disabled],
.tool-button[disabled] {
  cursor: not-allowed;
  opacity: 0.45;
  transform: none;
  box-shadow: none;
}

.file-drop {
  display: grid;
  place-items: center;
  min-height: 38px;
  border: 1px dashed var(--pm-border-strong);
  border-radius: 9px;
  background: var(--pm-surface-soft);
  color: var(--pm-text);
  font-family: var(--pm-mono);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.canvas-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-width: 0;
  height: 100%;
  min-height: 0;
  padding: 12px;
}

.canvas-toolbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.canvas-toolbar p {
  margin: 4px 0 0;
  color: var(--pm-muted);
  font-size: 13px;
}

.canvas-controls {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 30px;
  padding: 0 9px;
  border: 1px solid var(--pm-border);
  border-radius: 9px;
  background: var(--pm-surface-soft);
  color: var(--pm-muted);
  font-family: var(--pm-mono);
  font-size: 11px;
  font-weight: 700;
}

.switch input {
  accent-color: var(--pm-blue);
}

.canvas-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 42px;
  gap: 10px;
  align-items: stretch;
  min-height: 0;
}

.canvas-stage {
  display: grid;
  place-items: center;
  min-height: 0;
  height: 100%;
  overflow: auto;
  padding: 24px;
  border: 1px solid var(--pm-border);
  border-radius: 10px;
  background:
    linear-gradient(#f3f4f7 1px, transparent 1px),
    linear-gradient(90deg, #f3f4f7 1px, transparent 1px),
    #fff;
  background-size: 32px 32px;
}

.canvas-stage.is-solid {
  background: #fff;
}

.canvas-stage.is-preview canvas {
  cursor: default;
}

#pixel-canvas {
  display: block;
  max-width: none;
  border: 1px solid #dde1ea;
  background: transparent;
  cursor: crosshair;
  image-rendering: pixelated;
  box-shadow: none;
  touch-action: none;
}

.canvas-stage.is-adjusting-layer #pixel-canvas {
  cursor: move;
}

.canvas-stage.is-selecting #pixel-canvas {
  cursor: cell;
}

.zoom-rail {
  display: grid;
  grid-template-rows: 34px minmax(160px, 1fr) 34px auto;
  gap: 8px;
  align-items: center;
  justify-items: center;
  padding: 8px 0;
  border: 1px solid var(--pm-border);
  border-radius: 10px;
  background: #fff;
}

.zoom-rail input {
  width: 28px;
  height: min(260px, 46vh);
  writing-mode: vertical-lr;
  direction: rtl;
  transform: none;
  accent-color: var(--pm-blue);
}

.zoom-rail .mini-button {
  width: 30px;
  min-height: 30px;
  padding: 0;
}

.zoom-rail #zoom-output {
  min-width: 0;
  writing-mode: vertical-rl;
  text-align: center;
}

.color-bar-container {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.color-bar {
  width: 100%;
  height: 40px;
  padding: 0;
  border: 1px solid var(--pm-border-strong);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
}

.color-bar::-webkit-color-swatch-wrapper {
  padding: 2px;
}

.color-bar::-webkit-color-swatch {
  border: none;
  border-radius: 6px;
}

.color-bar::-moz-color-swatch {
  border: none;
  border-radius: 6px;
}

.color-current {
  display: none;
}

.color-current + .palette {
  margin-top: 0;
}
}

#color-picker::-webkit-color-swatch-wrapper {
  padding: 0;
}

#color-picker::-webkit-color-swatch {
  border: 0;
  border-radius: 6px;
}

#color-picker::-moz-color-swatch {
  border: 0;
  border-radius: 6px;
}

.palette {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(22px, 1fr));
  gap: 8px;
  align-items: center;
}

.palette button {
  width: 22px;
  height: 22px;
  border: 1px solid var(--pm-border-strong);
  border-radius: 6px;
  background-clip: padding-box;
  cursor: pointer;
}

.palette button.is-active {
  outline: 2px solid rgba(0, 91, 255, 0.28);
  outline-offset: 2px;
}

.palette--recent {
  grid-template-columns: repeat(8, 22px);
}

.palette--recent button {
  width: 22px;
  height: 22px;
}

.preset-control {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

select {
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--pm-border);
  border-radius: 9px;
  background: var(--pm-surface-soft);
  color: var(--pm-text);
  font-family: var(--pm-mono);
  font-size: 12px;
  font-weight: 700;
}

.preview-card {
  display: grid;
  justify-items: center;
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--pm-border);
  border-radius: 10px;
  background: #f7f8fb;
}

#mini-preview {
  display: block;
  max-width: 100%;
  max-height: 180px;
  border: 1px solid var(--pm-border);
  border-radius: 9px;
  background: #fff;
  image-rendering: pixelated;
}

.preview-card span {
  color: var(--pm-muted);
  font-family: var(--pm-mono);
  font-size: 12px;
  font-weight: 700;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 10;
  max-width: min(360px, calc(100vw - 36px));
  padding: 12px 14px;
  border: 1px solid var(--pm-border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 40px rgba(17, 24, 39, 0.08);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 160ms ease, transform 160ms ease;
  pointer-events: none;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1180px) {
  .editor-shell {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .panel--right {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .panel-section {
    border-right: 1px solid var(--pm-border);
    border-bottom: 0;
  }

  .panel-section:last-child {
    border-right: 0;
  }
}

@media (max-width: 820px) {
  body {
    overflow: auto;
  }

  .pixel-app {
    height: auto;
    min-height: 100vh;
    padding: 12px;
  }

  .canvas-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .canvas-controls {
    justify-content: flex-start;
    width: 100%;
  }

  .editor-shell {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .canvas-panel {
    min-height: auto;
  }

  .panel--tools {
    grid-template-columns: 1fr;
  }

  .panel--right {
    grid-template-columns: 1fr;
  }

  .panel-section {
    border-right: 0;
    border-bottom: 1px solid var(--pm-border);
  }

  .canvas-workspace {
    grid-template-columns: 1fr;
  }

  .canvas-stage {
    height: 72vh;
    min-height: 420px;
    padding: 16px;
  }

  .zoom-rail {
    grid-template-columns: 34px minmax(0, 1fr) 34px auto;
    grid-template-rows: auto;
    padding: 8px;
  }

  .zoom-rail input {
    width: 100%;
    transform: none;
  }

  .zoom-rail #zoom-output {
    writing-mode: horizontal-tb;
  }
}

@media (max-width: 520px) {
  .tool-grid,
  .control-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .tool-button,
  .mini-button {
    min-height: 42px;
    padding: 0 7px;
    font-size: 12px;
  }

  .palette {
    grid-template-columns: repeat(8, 22px);
  }
}