/* ══════════════════════════════════════════════════════════
   editor.css — Pixel Studio chrome. Reuses the house warm-ink
   pixel tokens so theme.js's [data-theme] switch drives it too.
   The SPRITE pixels the user paints are their own data (arbitrary
   colours); these tokens are only the app chrome.
   ══════════════════════════════════════════════════════════ */
:root{
  --bg:#0b0a0d; --bg-2:#16131a;
  --panel:rgba(29,25,34,.82); --panel-solid:#1d1922;
  --line:rgba(184,175,164,.20); --line-hot:rgba(245,158,11,.45);
  --ink:#f5f1ea; --ink-dim:#b8afa4; --ink-faint:#6b635a;
  --brand:#f59e0b; --brand-2:#a78bfa;
  --p1:#48c8dd; --p2:#e05b7a; --p3:#9ec95a; --p4:#e39a48;
  --ok:#4ee8a5; --warn:#fbbf24;
  --surf:rgba(43,37,51,.72);
  --shadow:4px 4px 0 rgba(0,0,0,.45);
  --font:"Inter Variable","Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --display:"Silkscreen","VT323",ui-monospace,monospace;
  /* checkerboard for transparency, tuned per theme */
  --checker-a:#2b2533; --checker-b:#1d1922;
}
:root[data-theme="light"]{
  --bg:#ece5d8; --bg-2:#ded5c4;
  --panel:rgba(246,241,232,.90); --panel-solid:#f6f1e8;
  --line:rgba(90,74,54,.24); --line-hot:rgba(180,83,9,.45);
  --ink:#2b2536; --ink-dim:#5b5266; --ink-faint:#7b7188;
  --brand:#b45309; --brand-2:#7c3aed;
  --p1:#0f6f7a; --p2:#b03050; --p3:#4a6b1e; --p4:#8c5210;
  --ok:#047857; --warn:#8c6510;
  --surf:rgba(222,213,196,.75);
  --shadow:4px 4px 0 rgba(90,74,54,.30);
  --checker-a:#cfc6b3; --checker-b:#ded5c4;
}

*{box-sizing:border-box}
/* native range/checkbox chrome follows the brand instead of browser blue */
input[type=range],input[type=checkbox]{accent-color:var(--brand)}
[hidden]{display:none !important}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font);-webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
  display:flex;flex-direction:column;min-height:100dvh;
}
button{font-family:inherit;color:inherit;cursor:pointer}
h3{font-family:var(--display);font-size:.82rem;letter-spacing:.04em;
   text-transform:uppercase;color:var(--ink-dim);margin:0 0 .6rem}

/* ── wordmark (borrowed idiom) ── */
.wordmark{font-weight:700;letter-spacing:-.03em;line-height:1}
.wordmark.small{font-size:1.2rem}
.wm-a{color:var(--ink)}
.wm-b{background:linear-gradient(96deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.wm-dot{color:var(--p2)}

/* ── top bar ── */
.ed-bar{display:flex;align-items:center;gap:.9rem;flex-wrap:wrap;
  padding:.6rem .9rem;background:var(--panel);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.ed-home{text-decoration:none}
.ed-title{font-family:var(--display);font-size:.8rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ink-faint)}
.ed-bar-actions{margin-left:auto;display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}

.ed-btn{background:var(--surf);border:1px solid var(--line);color:var(--ink);
  padding:.42rem .7rem;font-size:.82rem;font-weight:600;border-radius:0;
  transition:border-color .15s,transform .06s}
.ed-btn:hover{border-color:var(--line-hot)}
.ed-btn:active{transform:translateY(1px)}
.ed-btn.wide{width:100%}
.ed-btn.primary{background:linear-gradient(96deg,var(--brand),var(--brand-2));
  color:#14121f;border-color:transparent;font-weight:700}
.ed-btn:disabled{opacity:.4;cursor:not-allowed}

.ed-seg{display:inline-flex;border:1px solid var(--line);border-radius:0;overflow:hidden}
.ed-seg button{background:var(--surf);border:0;padding:.42rem .6rem;font-size:.76rem;font-weight:600}
.ed-seg button + button{border-left:1px solid var(--line)}
.ed-seg button.on{background:linear-gradient(96deg,var(--brand),var(--brand-2));color:#14121f}

/* ── layout ── */
.ed-main{flex:1;display:grid;gap:.9rem;padding:.9rem;
  grid-template-columns:230px minmax(0,1fr) 260px;align-items:start}
.ed-panel{background:var(--panel);border:1px solid var(--line);padding:.85rem;margin-bottom:.9rem}
.ed-tools,.ed-preview{display:flex;flex-direction:column}

/* ── tools ── */
.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;margin-bottom:.6rem}
.tool{position:relative;display:flex;flex-direction:column;align-items:center;gap:.15rem;
  background:var(--surf);border:1px solid var(--line);padding:.55rem .3rem;border-radius:0}
.tool .tico{font-size:1.15rem;line-height:1}
.tool b{font-size:.72rem;font-weight:600}
.tool.on{border-color:var(--brand);background:color-mix(in srgb,var(--brand) 18%,var(--surf))}
.tool .thk{position:absolute;top:2px;right:2px;font-family:var(--display);font-size:.56rem;
  line-height:1;padding:.12rem .2rem;color:var(--ink-faint);background:var(--panel-solid);
  border:1px solid var(--line)}
.tool.on .thk{color:var(--brand);border-color:var(--line-hot)}
/* the marquee-select tile spans the 2-col grid so it reads as its own row */
.tool[data-tool="select"]{grid-column:1 / -1;flex-direction:row;gap:.4rem;justify-content:center;padding:.5rem}
.tool[data-tool="select"] .tico{font-size:1rem}
.paint.sel{cursor:crosshair}

/* ── brush size ── */
.brush-row{display:flex;align-items:center;gap:.5rem;margin-bottom:.6rem;font-size:.8rem;color:var(--ink-dim)}
.brush-row label{white-space:nowrap}
.brush-row input[type=range]{flex:1;min-width:60px}
.brush-swatch{width:22px;height:22px;flex:0 0 auto;border:1px solid var(--line);
  background:var(--surf);position:relative}
.brush-swatch::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:var(--bp,4px);height:var(--bp,4px);background:var(--brand);image-rendering:pixelated}

/* ── keyboard shortcuts legend ── */
.ed-btn.ghost{background:none;color:var(--ink-faint);font-size:.76rem}
.ed-btn.ghost:hover{color:var(--ink-dim)}
.shortcuts-wrap{margin-top:.4rem}
.shortcuts{margin:.5rem 0 0;display:grid;gap:.28rem}
.shortcuts div{display:flex;justify-content:space-between;align-items:center;gap:.6rem}
.shortcuts dt{font-size:.74rem;color:var(--ink-dim)}
.shortcuts dd{margin:0;display:flex;gap:.2rem;align-items:center;color:var(--ink-faint);font-size:.72rem}
.shortcuts kbd,.tool .thk{border-radius:0}
.shortcuts kbd{font-family:var(--display);font-size:.62rem;line-height:1;padding:.15rem .3rem;
  color:var(--ink-dim);background:var(--surf);border:1px solid var(--line)}

/* ── canvas row + large all-frames filmstrip ──
   The strip renders every frame of the current direction at the editor's
   own scale (matching the paint canvas height), scrolling horizontally.
   Below the canvas on narrow screens; beside it on wide ones. ── */
.canvas-row{display:flex;flex-direction:column;align-items:center;gap:.7rem;min-width:0;width:100%}
.film-band{width:100%;min-width:0;border-top:1px solid var(--line);padding-top:.6rem}
.film-strip{display:flex;gap:.5rem;overflow-x:auto;overflow-y:hidden;padding-bottom:.4rem;
  scroll-behavior:smooth}
.film-cell{position:relative;flex:0 0 auto;height:clamp(150px,40vh,340px);padding:0;border-radius:0;
  border:1px solid var(--line);background-color:var(--checker-b);
  background-image:
    linear-gradient(45deg,var(--checker-a) 25%,transparent 25%),
    linear-gradient(-45deg,var(--checker-a) 25%,transparent 25%),
    linear-gradient(45deg,transparent 75%,var(--checker-a) 75%),
    linear-gradient(-45deg,transparent 75%,var(--checker-a) 75%);
  background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0}
/* only the preview thumbnails (direct-child canvases) are height-fit; the live
   editor canvas nests inside .canvas-wrap and keeps its own natural size + zoom */
.film-cell > canvas{height:100%;width:auto;display:block;image-rendering:pixelated;image-rendering:crisp-edges}
.film-cell.on{outline:3px solid var(--brand);outline-offset:1px;z-index:1}
.film-cell .fnum{position:absolute;bottom:0;right:0;background:var(--panel-solid);
  color:var(--ink-dim);font-size:.64rem;padding:.05rem .3rem;font-family:var(--display)}
.tool-row{display:flex;gap:.5rem;margin-bottom:.6rem}
.tool-row .ed-btn{flex:1}
.ed-check{display:flex;align-items:center;gap:.45rem;font-size:.82rem;color:var(--ink-dim);margin-top:.35rem}

/* ── colour ── */
.swatch-current{display:flex;gap:.6rem;align-items:center;margin-bottom:.6rem}
.swatch-big{width:46px;height:46px;border:1px solid var(--line);
  background-image:
    linear-gradient(45deg,var(--checker-a) 25%,transparent 25%),
    linear-gradient(-45deg,var(--checker-a) 25%,transparent 25%),
    linear-gradient(45deg,transparent 75%,var(--checker-a) 75%),
    linear-gradient(-45deg,transparent 75%,var(--checker-a) 75%);
  background-size:12px 12px;background-position:0 0,0 6px,6px -6px,-6px 0;
  background-color:var(--checker-b);position:relative}
.swatch-big::after{content:"";position:absolute;inset:0;background:var(--cur,#000)}
.swatch-meta{flex:1;min-width:0}
.swatch-hex{font-family:var(--display);font-size:.78rem;color:var(--ink-dim)}
.alpha-row{display:flex;align-items:center;gap:.4rem;font-size:.72rem;color:var(--ink-faint);margin-top:.3rem}
.alpha-row input{flex:1}

.palette{display:grid;grid-template-columns:repeat(8,1fr);gap:3px;margin-bottom:.6rem}
.pal-swatch{aspect-ratio:1/1;border:1px solid var(--line);border-radius:0;padding:0;position:relative;
  background-image:
    linear-gradient(45deg,var(--checker-a) 25%,transparent 25%),
    linear-gradient(-45deg,var(--checker-a) 25%,transparent 25%),
    linear-gradient(45deg,transparent 75%,var(--checker-a) 75%),
    linear-gradient(-45deg,transparent 75%,var(--checker-a) 75%);
  background-size:8px 8px;background-position:0 0,0 4px,4px -4px,-4px 0;
  background-color:var(--checker-b)}
.pal-swatch::after{content:"";position:absolute;inset:0;background:var(--c)}
.pal-swatch.on{outline:2px solid var(--brand);outline-offset:1px;z-index:1}
.pal-swatch.transparent::before{content:"∅";position:absolute;inset:0;display:grid;
  place-items:center;color:var(--ink-faint);font-size:.9rem;z-index:1}
.palette-actions{display:flex;gap:.4rem;align-items:center}
.palette-actions input[type=color]{width:34px;height:30px;padding:0;border:1px solid var(--line);background:none}
.palette-actions .ed-btn{flex:1}

/* ── stage ── */
.ed-stage{background:var(--panel);border:1px solid var(--line);padding:.9rem;
  display:flex;flex-direction:column;gap:.8rem;min-height:0}
.stage-top{display:grid;grid-template-columns:auto minmax(0,1fr);gap:.8rem;align-items:center;justify-items:center}
.dir-compass{display:grid;grid-template-columns:repeat(3,34px);grid-template-rows:repeat(3,34px);gap:4px}
.dir{background:var(--surf);border:1px solid var(--line);font-size:1rem;padding:0;border-radius:0;
  display:grid;place-items:center}
.dir:hover{border-color:var(--line-hot)}
.dir.on{border-color:var(--brand);background:color-mix(in srgb,var(--brand) 22%,var(--surf));color:var(--ink)}
.dir-mid{display:grid;place-items:center;color:var(--ink-faint);font-size:.7rem;
  border:1px dashed var(--line)}

.canvas-wrap{overflow:auto;max-width:100%;max-height:62vh;display:grid;place-items:center;
  border:1px solid var(--line);
  background-image:
    linear-gradient(45deg,var(--checker-a) 25%,transparent 25%),
    linear-gradient(-45deg,var(--checker-a) 25%,transparent 25%),
    linear-gradient(45deg,transparent 75%,var(--checker-a) 75%),
    linear-gradient(-45deg,transparent 75%,var(--checker-a) 75%);
  background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0;
  background-color:var(--checker-b)}
.paint{image-rendering:pixelated;image-rendering:crisp-edges;touch-action:none;display:block}

.zoom-row{grid-column:1 / -1;display:flex;align-items:center;gap:.5rem;justify-content:center;margin-top:.2rem}
.zoom-label{font-family:var(--display);font-size:.76rem;color:var(--ink-dim);min-width:3.4em;text-align:center}
.dir-name{margin-left:.8rem;font-family:var(--display);font-size:.78rem;color:var(--brand)}

/* ── frames ── */
.frames-bar{display:flex;gap:.7rem;align-items:center;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:.7rem}
.frames-strip{display:flex;gap:.4rem;overflow-x:auto;flex:1;min-width:0;padding-bottom:.2rem}
.frame-thumb{position:relative;flex:0 0 auto;width:54px;height:54px;border:1px solid var(--line);
  background-color:var(--checker-b);padding:0;border-radius:0}
.frame-thumb canvas{width:100%;height:100%;image-rendering:pixelated;display:block}
.frame-thumb.on{outline:2px solid var(--brand);outline-offset:1px}
.frame-thumb .fnum{position:absolute;bottom:0;right:0;background:var(--panel-solid);
  color:var(--ink-dim);font-size:.6rem;padding:0 .2rem;font-family:var(--display)}
.frames-actions{display:flex;gap:.35rem;flex-wrap:wrap}
.frames-actions .ed-btn{font-size:.76rem;padding:.38rem .5rem}
/* flip + move/copy-to-direction row */
.frame-ops{display:flex;gap:.5rem .8rem;align-items:center;flex-wrap:wrap;
  width:100%;border-top:1px dashed var(--line);padding-top:.55rem;margin-top:.1rem}
.frame-ops .fop-group{display:flex;gap:.35rem;align-items:center;flex-wrap:wrap}
.frame-ops .ed-btn{font-size:.76rem;padding:.38rem .55rem}
.frame-ops .ed-check.inline{margin-top:0}
.fop-lbl{font-size:.76rem;color:var(--ink-dim);font-family:var(--display)}
.ed-select{background:var(--surf);border:1px solid var(--line);color:var(--ink);
  border-radius:0;font-family:inherit;font-size:.78rem;padding:.34rem .4rem;cursor:pointer}
.ed-select:hover{border-color:var(--line-hot)}
.ed-select:focus{outline:2px solid var(--brand);outline-offset:1px}

/* ── preview ── */
.preview-hero{display:grid;place-items:center;border:1px solid var(--line);padding:.6rem;
  background-color:var(--checker-b);
  background-image:
    linear-gradient(45deg,var(--checker-a) 25%,transparent 25%),
    linear-gradient(-45deg,var(--checker-a) 25%,transparent 25%),
    linear-gradient(45deg,transparent 75%,var(--checker-a) 75%),
    linear-gradient(-45deg,transparent 75%,var(--checker-a) 75%);
  background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0}
.preview-canvas{image-rendering:pixelated;display:block;width:160px;height:160px}
.speed-row{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;margin-top:.6rem}
.speed-row label{font-size:.8rem;color:var(--ink-dim)}
.speed-row input[type=range]{flex:1;min-width:80px}

.dir-overview{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}
.ov-cell{aspect-ratio:1/1;border:1px solid var(--line);background-color:var(--checker-b);position:relative}
.ov-cell.mid{border:1px dashed var(--line)}
.ov-cell canvas{width:100%;height:100%;image-rendering:pixelated;display:block}
.ov-cell .ovl{position:absolute;top:0;left:0;font-size:.55rem;color:var(--ink-faint);
  font-family:var(--display);padding:0 .15rem;background:var(--panel-solid)}

/* ── size ── */
.size-presets{display:grid;grid-template-columns:repeat(4,1fr);gap:.4rem;margin-bottom:.5rem}
.size-presets .ed-btn.on{border-color:var(--brand);color:var(--brand)}
.size-custom{display:flex;align-items:center;gap:.4rem;font-size:.85rem;color:var(--ink-dim)}
.size-custom input{width:52px;background:var(--surf);border:1px solid var(--line);color:var(--ink);
  padding:.3rem;font-family:var(--font)}
.size-note{font-size:.72rem;color:var(--ink-faint);margin:.5rem 0 0;line-height:1.4}

/* ── modal ── */
.modal{position:fixed;inset:0;z-index:40;display:grid;place-items:center;
  background:rgba(10,9,16,.6)}
.modal-card{background:var(--panel-solid);border:1px solid var(--line-hot);padding:1.3rem;max-width:340px;width:90%}
.modal-card h3{color:var(--ink)}
.modal-card p{color:var(--ink-dim);font-size:.9rem;line-height:1.5;margin:.4rem 0 1rem}
.modal-actions{display:flex;gap:.5rem;flex-wrap:wrap}
.modal-actions .ed-btn{flex:1}

/* ── toast ── */
.ed-toast{position:fixed;bottom:1.2rem;left:50%;transform:translateX(-50%);
  background:var(--panel-solid);border:1px solid var(--line-hot);color:var(--ink);
  padding:.6rem 1rem;font-size:.85rem;z-index:50;box-shadow:var(--shadow)}

/* ── reference-image panels ──
   Floating, movable, closable panels holding a pasted reference picture.
   Transient overlay chrome; the picture itself is the user's own data. ── */
#ref-layer{position:fixed;inset:0;z-index:38;pointer-events:none}
.ref-panel{position:fixed;pointer-events:auto;min-width:80px;
  background:var(--panel-solid);border:1px solid var(--line-hot);
  box-shadow:var(--shadow);display:flex;flex-direction:column}
.ref-head{display:flex;align-items:center;gap:.4rem;cursor:move;
  padding:.3rem .4rem;background:var(--surf);border-bottom:1px solid var(--line);
  touch-action:none;user-select:none}
.ref-title{font-family:var(--display);font-size:.6rem;letter-spacing:.03em;
  color:var(--ink-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:0 1 auto}
.ref-op{flex:1;display:flex;align-items:center;min-width:36px}
.ref-op input[type=range]{width:100%;min-width:36px;cursor:pointer}
.ref-close{flex:0 0 auto;width:20px;height:20px;line-height:1;padding:0;
  background:var(--surf);border:1px solid var(--line);color:var(--ink-dim);
  font-size:1rem;display:grid;place-items:center}
.ref-close:hover{border-color:var(--line-hot);color:var(--ink)}
.ref-body{position:relative;overflow:hidden;background-color:var(--checker-b);
  background-image:
    linear-gradient(45deg,var(--checker-a) 25%,transparent 25%),
    linear-gradient(-45deg,var(--checker-a) 25%,transparent 25%),
    linear-gradient(45deg,transparent 75%,var(--checker-a) 75%),
    linear-gradient(-45deg,transparent 75%,var(--checker-a) 75%);
  background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0}
.ref-body img{display:block;width:100%;height:auto;image-rendering:auto;user-select:none;-webkit-user-drag:none}
.ref-resize{position:absolute;right:0;bottom:0;width:16px;height:16px;cursor:nwse-resize;
  touch-action:none;background:
    linear-gradient(135deg,transparent 45%,var(--line-hot) 45%,var(--line-hot) 55%,transparent 55%,transparent 70%,var(--line-hot) 70%,var(--line-hot) 80%,transparent 80%)}

/* ── responsive: stack the rails under the stage on narrow screens ── */
@media (max-width:900px){
  .ed-main{grid-template-columns:1fr}
  .canvas-wrap{max-height:52vh}
}
/* on wide screens the filmstrip sits beside the canvas and matches its height */
@media (min-width:1180px){
  .canvas-row{flex-direction:row;align-items:flex-start;justify-content:center}
  .film-band{width:auto;flex:1 1 0;align-self:stretch;display:flex;
    border-top:0;border-left:1px solid var(--line);padding-top:0;padding-left:.7rem}
  .film-strip{height:100%;flex:1;min-width:0}
  .film-cell{height:100%}
}

/* ── unified "edit in frame strip" mode ──
   The strip becomes the primary surface: one horizontal row of same-height
   cells, the active one hosting the live paint canvas (the editor) and the
   rest click-to-edit previews. Overrides the beside-canvas rules above. ── */
body.film-mode .canvas-row{display:block;width:100%}
body.film-mode .film-band{width:100%;border:0;padding:0;display:block}
body.film-mode .film-strip{height:auto;align-items:stretch}
body.film-mode .film-cell{height:clamp(180px,48vh,420px)}
body.film-mode .film-cell:not(.editing){cursor:pointer}
body.film-mode .film-cell:not(.editing):hover{outline:2px solid var(--line-hot);outline-offset:1px}
/* the editor cell — clearly highlighted as "the editor" among the previews */
.film-cell.editing{background:none;cursor:default;
  outline:3px solid var(--brand);outline-offset:1px;
  box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 26%,transparent)}
.film-cell.editing .canvas-wrap{height:100%;max-height:100%;max-width:none;width:auto;border:0}
.film-editing-badge{position:absolute;top:0;left:0;z-index:2;
  background:var(--brand);color:#14121f;font-family:var(--display);
  font-size:.58rem;letter-spacing:.02em;padding:.12rem .34rem;line-height:1.3}