:root {
  --paper: #f4f3ef;
  --card: #ffffff;
  --ink: #1b1a17;
  --mute: #6f6d66;
  --line: rgb(27 26 23 / 0.16);
  --line-strong: rgb(27 26 23 / 0.36);
  --soft: rgb(27 26 23 / 0.06);
  --screen: #1b1a17;
  --bezel: #e9c46a;
  --accent: #ffb000;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}

* { box-sizing: border-box; }

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 14px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.num, input[type="number"] { font-variant-numeric: tabular-nums; }
.dimtext { color: var(--mute); }

:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

.bar {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding: 10px 16px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: baseline; gap: 8px; }
.brand b { font: 700 13px/1 var(--mono); letter-spacing: 0.08em; }
.brand span { color: var(--mute); }

.group { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  font: inherit;
  white-space: nowrap;
  cursor: pointer;
  transition-property: scale, background-color, color, border-color, opacity;
  transition-duration: 120ms;
  transition-timing-function: ease-out;
}
.btn:hover { border-color: var(--line-strong); }
.btn:active { scale: 0.96; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; scale: 1; border-color: var(--line); }
.btn.primary { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn.primary .dimtext { color: rgb(244 243 239 / 0.6); }
.btn.icon { width: 36px; padding: 0; }

.dim { display: inline-flex; align-items: center; gap: 4px; color: var(--mute); font: 12px var(--mono); }
.dim input {
  width: 54px;
  height: 36px;
  padding: 0 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  font: 14px var(--mono);
}

.check, .select { display: flex; align-items: center; gap: 8px; min-height: 36px; cursor: pointer; }
.select { justify-content: space-between; }
.check input { width: 16px; height: 16px; accent-color: var(--ink); }
select {
  height: 36px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  font: inherit;
}

kbd {
  padding: 1px 5px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font: 11px var(--mono);
  color: var(--mute);
}

.actions { display: flex; gap: 6px; margin-left: auto; }

.layout {
  display: grid;
  grid-template-columns: 196px minmax(0, 1fr) 264px;
  gap: 20px;
  padding: 16px;
  align-items: start;
}

@media (max-width: 1100px) {
  .layout { grid-template-columns: 196px minmax(0, 1fr); }
  .panel { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
}

.tools h2, .panel h2 {
  margin: 0 0 8px 2px;
  font: 600 11px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
}

.tool-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 18px; }

.tool {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 2px;
  padding: 6px 4px 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  color: var(--ink);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  transition-property: background-color, color, border-color, scale;
  transition-duration: 120ms;
  transition-timing-function: ease-out;
}
.tool:hover { border-color: var(--line-strong); }
.tool:active { scale: 0.96; }
.tool img {
  width: 56px;
  height: 56px;
  padding: 0;
  border-radius: 6px;
  background: var(--screen);
  image-rendering: pixelated;
}
.tool kbd { position: absolute; top: 4px; right: 4px; padding: 0 4px; border: 0; background: var(--soft); }
.tool[aria-pressed="true"] { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.tool[aria-pressed="true"] img { box-shadow: 0 0 0 2px var(--accent); }
.tool[aria-pressed="true"] kbd { background: rgb(244 243 239 / 0.14); color: rgb(244 243 239 / 0.7); }

.opts { display: grid; justify-items: start; gap: 6px; margin: -6px 0 14px 2px; font-size: 12px; color: var(--mute); }
.opts[hidden] { display: none; }

.seg { display: inline-flex; gap: 2px; padding: 2px; border-radius: 10px; background: var(--soft); }
.seg button {
  min-width: 40px;
  min-height: 32px;
  padding: 0 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  transition-property: background-color, box-shadow, color;
  transition-duration: 120ms;
  transition-timing-function: ease-out;
}
.seg button[aria-pressed="true"] {
  background: var(--card);
  box-shadow: 0 0 0 1px var(--line), 0 1px 2px rgb(0 0 0 / 0.08);
}
.seg button:disabled { opacity: 0.35; cursor: not-allowed; }

.stage { min-width: 0; }

.viewbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-bottom: 10px; }
.viewbar #views button { min-width: 64px; font-weight: 600; }
.lanebox { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; }
.lanebox[hidden] { display: none; }
.lanebox b { min-width: 52px; text-align: center; }
.lanebox .btn.icon { width: 32px; min-height: 32px; }
.gates { margin-left: auto; }
.gates[aria-pressed="true"] { border-color: var(--ink); }
.gates b { font-family: var(--mono); }

.screen-wrap {
  display: flex;
  justify-content: center;
  padding: 18px;
  border-radius: 16px;
  background: var(--bezel);
  box-shadow: inset 0 0 0 1px rgb(0 0 0 / 0.08);
}
canvas { display: block; image-rendering: pixelated; }
#screen { cursor: crosshair; touch-action: none; border-radius: 4px; box-shadow: 0 0 0 2px rgb(0 0 0 / 0.5); }
.fail { color: var(--ink); }

.status {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-top: 10px;
  font-size: 13px;
  color: var(--mute);
}
.status p { margin: 0; text-wrap: pretty; }
#coord { flex: none; font: 12px var(--mono); }
#hint {
  min-height: 20px;
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--ink);
  opacity: 0;
  transition: opacity 160ms ease-out;
}
#hint.on { opacity: 1; }

.panel { display: grid; gap: 24px; min-width: 0; }
.panel section { display: grid; gap: 10px; align-content: start; }
.presets { display: grid; gap: 6px; }
.presets .btn { justify-content: space-between; }
.sizes { display: flex; gap: 8px; }

.checks { display: grid; gap: 10px; font-size: 13px; }
.checks .state { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.checks .state.bad { color: #b3261e; }
.checks .state svg { flex: none; }
.checks ul { display: grid; gap: 6px; margin: 0; padding: 0; list-style: none; }
.checks li { display: grid; grid-template-columns: 14px 1fr; gap: 8px; text-wrap: pretty; }
.checks li::before { content: "!"; font: 700 12px/1.5 var(--mono); color: #b3261e; }
.checks li.note::before { content: "·"; color: var(--mute); }
.checks li.note { color: var(--mute); }
.checks dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 0; padding-top: 10px; border-top: 1px solid var(--line); }
.checks dt { color: var(--mute); }
.checks dd { margin: 0; font-variant-numeric: tabular-nums; }

dialog {
  width: min(440px, calc(100vw - 32px));
  padding: 0;
  border: 0;
  border-radius: 14px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 0 0 1px var(--line), 0 16px 48px rgb(0 0 0 / 0.2);
}
dialog::backdrop { background: rgb(27 26 23 / 0.4); }
dialog form { display: grid; gap: 16px; padding: 20px; }
dialog h2 { margin: 0; font-size: 17px; text-wrap: balance; }
dialog p { margin: 0; color: var(--mute); text-wrap: pretty; }

.field { display: grid; gap: 6px; margin: 0; padding: 0; border: 0; min-width: 0; }
.field label, .field legend { padding: 0; font-weight: 600; font-size: 13px; }
.field input[type="text"] {
  height: 40px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  font: inherit;
}
.cleaned { font: 12px var(--mono); color: var(--mute); overflow-wrap: anywhere; }
.cleaned b { color: var(--ink); }

.stars { display: flex; align-items: center; gap: 2px; margin-top: 4px; }
.stars input { position: absolute; opacity: 0; pointer-events: none; }
.stars label {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  cursor: pointer;
  transition-property: background-color, scale;
  transition-duration: 120ms;
  transition-timing-function: ease-out;
}
.stars label:hover { background: var(--soft); }
.stars label:active { scale: 0.96; }
.stars input:focus-visible + label { outline: 2px solid var(--ink); outline-offset: 0; }
.stars svg path { fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linejoin: round; }
.stars label.on svg path { fill: currentColor; }
.stars .count { margin-left: 8px; font: 12px var(--mono); color: var(--mute); }

.result:empty { display: none; }
.result { padding: 10px 12px; border-radius: 8px; background: var(--soft); font-size: 13px; text-wrap: pretty; }
.result.ok { background: var(--ink); color: var(--paper); }
.result ul { margin: 6px 0 0; padding-left: 18px; }

.dlg-actions { display: flex; justify-content: flex-end; gap: 8px; }

.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }