/* /image-to-pixel-art/ page styles. Built from /assets/polyatic.css tokens only (no new colours or fonts).
   The only literal colours on the page are the picture's own palette, set at run time. */
.nojs{margin:1.25rem 0 0;padding:0.875rem 1rem;border:1px solid var(--line);border-left:0.25rem solid var(--accent);border-radius:0.625rem;background:var(--surface);color:var(--ink);font-size:0.9375rem;line-height:1.6}

@media(min-width:920px){.px-duo{grid-template-columns:minmax(0,1.4fr) minmax(22rem,1fr)}}
.px-side{display:grid;gap:1rem;align-content:start}

/* drop zone (same component as the other polyatic file tools) */
.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0.5rem;text-align:center;min-height:11rem;padding:1.5rem 1.25rem;border:2px dashed var(--line-2);border-radius:0.875rem;background:var(--surface-2);cursor:pointer;transition:border-color .15s,background .15s}
.drop:hover,.drop:focus-visible,.drop.drag{border-color:var(--accent);background:var(--accent-soft)}
.drop b{font-size:1.0625rem}
.drop small{color:var(--muted);max-width:34ch}
@media(min-width:920px){.px-drop{min-height:20rem}}
/* icon: a 3x3 block of cells, one lit */
.px-drop-icon{width:2.75rem;height:2.75rem;border:2px solid var(--ink);border-radius:0.375rem;background:
  linear-gradient(var(--accent),var(--accent)) 50% 50%/33.4% 33.4% no-repeat,
  repeating-linear-gradient(90deg,transparent 0 calc(33.33% - 1px),var(--line-2) calc(33.33% - 1px) 33.33%),
  repeating-linear-gradient(0deg,transparent 0 calc(33.33% - 1px),var(--line-2) calc(33.33% - 1px) 33.33%),var(--surface)}
.has-image .drop{display:none}

.hint{font-size:0.8125rem;color:var(--muted);margin:0.75rem 0.125rem 0;min-height:1.125rem}
.hint.bad{color:var(--bad);font-weight:600}
.has-image .hint{margin-top:0;margin-bottom:0.5rem}

.px-work[hidden]{display:none}
.px-stage{display:flex;justify-content:center;align-items:center;max-height:min(72vh,48rem);overflow:auto;border:1px solid var(--line);border-radius:0.5rem;background:var(--surface-2);padding:0.5rem}
.px-view{display:block;max-width:100%;height:auto;image-rendering:pixelated;image-rendering:crisp-edges;cursor:crosshair;touch-action:manipulation}
.px-view:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.px-legend-line{display:flex;flex-wrap:wrap;gap:0.375rem 0.875rem;align-items:center;margin:0.5rem 0.125rem 1rem;font-size:0.8125rem;color:var(--muted)}
.px-mono{font-family:var(--mono);font-size:0.75rem}
.px-gridlines{display:inline-flex;align-items:center;gap:0.375rem;color:var(--ink-2)}
.px-link{border:0;background:none;padding:0.25rem 0;margin-left:auto;color:var(--muted);font:inherit;font-size:0.8125rem;text-decoration:underline;text-underline-offset:2px;cursor:pointer}
.px-link:hover{color:var(--accent)}

.px-sec{font-size:0.8125rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin:0 0 0.75rem}
.px-for{font-weight:500;text-transform:none;letter-spacing:0;color:var(--accent);margin-left:0.25rem}
.px-k{display:block;font-family:var(--mono);font-size:0.75rem;font-weight:500;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:0.375rem}

/* palette + counts: one tap target per colour */
.px-legend{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(8.5rem,1fr));gap:0.375rem;max-height:22rem;overflow:auto}
.px-legend button{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:0.5rem;width:100%;padding:0.375rem 0.5rem;border:1px solid var(--line);border-radius:0.5rem;background:var(--surface);color:var(--ink);font:inherit;text-align:left;cursor:pointer}
.px-legend button:hover{border-color:var(--line-2)}
.px-legend button[aria-pressed=true]{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}
.px-legend button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.px-sw{display:grid;place-items:center;width:1.75rem;height:1.75rem;border-radius:0.375rem;border:1px solid var(--line-2);font-family:var(--mono);font-size:0.75rem;font-weight:700}
.px-hex{font-family:var(--mono);font-size:0.75rem;overflow-wrap:anywhere}
.px-n{font-family:var(--mono);font-size:0.8125rem;font-weight:600;font-variant-numeric:tabular-nums}
.px-legend li.zero .px-n{color:var(--muted);font-weight:500}
/* eraser: a chip with a small checkerboard, the same pattern empty cells show in the preview */
.px-tools{display:flex;flex-wrap:wrap;gap:0.375rem;margin:0 0 0.5rem}
.px-eraser{display:inline-flex;align-items:center;gap:0.375rem;cursor:pointer}
.px-eraser[aria-pressed=true]{border-color:var(--accent);color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}
.px-chk{width:0.875rem;height:0.875rem;border:1px solid var(--line-2);border-radius:0.1875rem;background:conic-gradient(var(--line-2) 25%,var(--surface) 0 50%,var(--line-2) 0 75%,var(--surface) 0) 0 0/50% 50%}
.px-forget{margin-left:0}
.px-colour{width:3.5rem;height:2.25rem;padding:0.125rem;border:1px solid var(--line);border-radius:0.375rem;background:var(--surface);cursor:pointer}
.px-panel .field .px-note{margin-top:0.5rem}

.px-panel .field{margin-bottom:1rem}
.px-panel .field:last-child{margin-bottom:0}
.px-presets{margin-top:0.625rem}
.chip.on{border-color:var(--accent);color:var(--accent)}
.px-two{display:flex;flex-wrap:wrap;gap:0.75rem;align-items:flex-end}
.px-two .field{margin-bottom:0;flex:1 1 12rem}
.px-two #rowsField{flex:0 1 7rem}
.px-pdf .btn{flex:1 1 9rem}
.px-two .field[hidden]{display:none}
.px-check{display:flex;align-items:center;gap:0.5rem;margin:0 0 1rem;font-size:0.9375rem;color:var(--ink-2)}
.px-modes{margin-bottom:0}
.px-acts{display:flex;flex-wrap:wrap;gap:0.5rem;margin-bottom:1rem}
.px-acts .btn{flex:1 1 8rem}
.btn:disabled{opacity:.5;cursor:default;filter:none}
.chip:focus-visible,.modes button:focus-visible,.drop:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.note{font-size:0.8125rem;color:var(--muted);margin:0.75rem 0.125rem 0;line-height:1.5}
.note.bad{color:var(--bad);font-weight:600}

.explainer .px-steps,.explainer .px-cannot{color:var(--muted);font-size:0.9375rem;margin:0 0 0.75rem;padding-left:1.25rem}
.explainer .px-steps li,.explainer .px-cannot li{margin:0 0 0.5rem}
.explainer .px-steps b,.explainer .px-cannot b{color:var(--ink)}
.explainer table{max-width:none;display:block;overflow-x:auto}

@media (prefers-reduced-motion:reduce){.drop{transition:none}}

/* thread colour numbers (T-PB.103): the legend shows number + name, the owned list is a scrolling checklist */
.px-presets[hidden],.px-drills[hidden],#ownedList li[hidden]{display:none}
.px-legend.px-threads{grid-template-columns:repeat(auto-fill,minmax(11.5rem,1fr))}
.px-hex .px-num{display:block;font-size:0.8125rem;color:var(--ink)}
.px-hex .px-name{display:block;font-family:var(--sans);font-size:0.75rem;color:var(--muted);line-height:1.25}
.px-plus{display:block;font-size:0.6875rem;font-weight:500;color:var(--muted);text-align:right}
.px-drills{margin:0 0.125rem 0.625rem;padding:0.5rem 0.75rem;border:1px solid var(--line);border-left:0.25rem solid var(--accent);border-radius:0.5rem;background:var(--surface-2);font-size:0.875rem;color:var(--ink)}
.px-thread-note{margin:0 0 0.75rem}
.px-owned{margin:0 0 1rem;border:1px solid var(--line);border-radius:0.5rem;background:var(--surface)}
.px-owned summary{padding:0.5rem 0.75rem;cursor:pointer;font-size:0.875rem;color:var(--ink-2)}
.px-owned summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.px-owned-tools{display:flex;flex-wrap:wrap;gap:0.375rem;padding:0 0.75rem 0.5rem}
.px-find{flex:1 1 100%;min-width:0}
.px-owned-tools .chip{cursor:pointer}
.px-owned-list{list-style:none;margin:0;padding:0 0.5rem;max-height:16rem;overflow:auto;border-top:1px solid var(--line)}
.px-owned-list label{display:grid;grid-template-columns:auto auto 3.25rem minmax(0,1fr);align-items:center;gap:0.5rem;padding:0.3rem 0.25rem;font-size:0.8125rem;color:var(--ink-2);cursor:pointer}
.px-owned-list b{font-family:var(--mono);font-size:0.75rem;color:var(--ink)}
.px-osw{width:1rem;height:1rem;border-radius:0.25rem;border:1px solid var(--line-2)}
.px-owned .px-note{padding:0 0.75rem 0.625rem}
.px-two .px-spare{flex:0 1 6rem}
.px-canvas .field{flex:1 1 5.5rem}
.px-source{font-size:0.8125rem;color:var(--muted)}
.px-panel .field[hidden],.px-panel .px-two[hidden],.px-grid-dia[hidden]{display:none}
.px-grid-dia{margin:0}

/* animation (T-PB.110): play / pause, a frame scrubber and the frame's number and delay under the preview */
.px-anim{display:flex;flex-wrap:wrap;align-items:center;gap:0.5rem 0.75rem;margin:0.5rem 0.125rem 0}
.px-anim[hidden],.px-anim-dl[hidden],.px-note[hidden]{display:none}
.px-anim input[type=range]{flex:1 1 10rem;min-width:0}
.px-play{min-width:4.75rem;cursor:pointer}
.px-frame-n{color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.px-anim-dl{margin:0 0 1rem;padding-top:0.875rem;border-top:1px solid var(--line)}
.px-anim-dl .field{margin:0 0 0.625rem}
.px-anim-dl .px-acts{margin-bottom:0.75rem}
.px-eraser:disabled,.px-legend button:disabled{opacity:.55;cursor:default}