:root{
  --paper:#EDE8DE;
  --card:#F7F4EE;
  --ink:#1B1917;
  --ink-2:#57514A;
  --line:rgba(27,25,23,.14);
  --line-2:rgba(27,25,23,.07);
  --accent:#1B1917;
  --warn:#A02A1F;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Songti SC","Source Han Serif SC",serif;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--serif);
  -webkit-font-smoothing:antialiased;
  display:flex;flex-direction:column;
}
h1,h2{margin:0;font-weight:500;letter-spacing:.01em}
code,pre,.micro,.kicker,.lbl,button,input,.report{font-family:var(--mono)}
.micro{font-size:10.5px;line-height:1.55;letter-spacing:.04em}
.dim{color:var(--ink-2)}

/* ---- top bar ---- */
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 22px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#F4F1EA,#EDE8DE);
}
.brand{display:flex;align-items:center;gap:12px}
.brand h1{font-size:19px}
.mark{font-size:20px;opacity:.5}
.topnote{text-align:right;max-width:280px}

/* ---- layout ---- */
.layout{flex:1;min-height:0;display:grid;grid-template-columns:344px 1fr}
@media(max-width:900px){.layout{grid-template-columns:1fr;grid-template-rows:auto 1fr}}

.panel{
  min-height:0;overflow-y:auto;padding:14px;border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:12px;background:#EAE5DA;
}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:3px;
  padding:12px 12px 13px;display:flex;flex-direction:column;gap:9px;
  box-shadow:0 1px 0 rgba(255,255,255,.7) inset;
}
.kicker{font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2)}

.row{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}
.row2{display:flex;align-items:center;gap:8px}
.lbl{font-size:10px;letter-spacing:.08em;color:var(--ink-2)}
.inline{display:flex;align-items:center;gap:8px}

/* buttons */
.btn{
  font-size:11px;letter-spacing:.06em;padding:7px 10px;border:1px solid var(--line);
  background:#FCFAF6;color:var(--ink);border-radius:2px;cursor:pointer;text-align:center;
  text-decoration:none;display:inline-block;transition:background .12s,border-color .12s;
}
.btn:hover{background:#fff;border-color:rgba(27,25,23,.3)}
.btn:disabled{opacity:.42;cursor:not-allowed}
.btn-solid{background:var(--ink);color:#F7F4EE;border-color:var(--ink)}
.btn-solid:hover{background:#000;color:#fff}
.btn-ghost{background:transparent}
.exports{display:flex;flex-direction:column;gap:6px}

.filebtn{position:relative;display:block}
.filebtn input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}
.filebtn span{
  display:block;text-align:center;font-family:var(--mono);font-size:11px;letter-spacing:.08em;
  padding:9px;border:1px dashed rgba(27,25,23,.35);border-radius:2px;background:#FCFAF6;
}
.filebtn:hover span{background:#fff;border-color:rgba(27,25,23,.55)}

.seg{display:inline-flex;border:1px solid var(--line);border-radius:2px;overflow:hidden}
.seg button{border:0;background:#FCFAF6;font-size:10.5px;letter-spacing:.06em;padding:6px 9px;cursor:pointer;color:var(--ink-2)}
.seg button+button{border-left:1px solid var(--line)}
.seg button.on{background:var(--ink);color:#F7F4EE}

.chk{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;letter-spacing:.03em;cursor:pointer}
.chk input{accent-color:#1B1917}
.num{font-size:10px;letter-spacing:.08em;color:var(--ink-2);display:flex;align-items:center;gap:5px}
.num input{width:76px;font-size:11px;padding:6px;border:1px solid var(--line);border-radius:2px;background:#FCFAF6;color:var(--ink)}
input[type=color]{width:38px;height:24px;padding:0;border:1px solid var(--line);background:none;cursor:pointer}

/* swatches */
.swatches{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.sw{
  border:1px solid var(--line);border-radius:2px;padding:0;cursor:pointer;background:none;
  display:flex;flex-direction:column;overflow:hidden;
}
.sw .chip{height:46px;display:block}
.sw .meta{font-family:var(--mono);font-size:8.5px;letter-spacing:.03em;padding:4px 3px;color:var(--ink-2);background:#FCFAF6;line-height:1.35}
.sw.on{outline:2px solid var(--ink);outline-offset:-1px}
.sw:disabled{opacity:.4;cursor:default}

.warn{
  font-family:var(--mono);font-size:10px;line-height:1.5;letter-spacing:.03em;
  color:var(--warn);border:1px solid rgba(160,42,31,.4);background:rgba(160,42,31,.07);
  padding:7px 8px;border-radius:2px;
}
.report{
  border:1px solid var(--line-2);background:#FBF9F4;border-radius:2px;padding:8px;
  white-space:pre-wrap;word-break:break-word;font-size:10px;line-height:1.6;color:var(--ink-2);max-height:180px;overflow:auto;
}
.report b{color:var(--ink)}
.report .bad{color:var(--warn)}
.report .good{color:#1F6B45}

.patterns{display:flex;flex-direction:column;gap:4px}
.pat{
  display:flex;align-items:baseline;gap:8px;text-align:left;border:1px solid transparent;
  background:#FCFAF6;padding:6px 8px;border-radius:2px;cursor:pointer;font-family:var(--mono);
}
.pat:hover{border-color:var(--line)}
.pat.on{background:var(--ink);color:#F7F4EE}
.pat .n{font-size:10px;opacity:.6;width:12px;flex:none}
.pat .nm{font-size:11px;letter-spacing:.04em}
.pat .cr{font-size:9px;letter-spacing:.06em;opacity:.6;margin-left:auto}

.outwrap{display:flex;flex-direction:column;gap:6px}
.outwrap img{max-width:100%;height:auto;border:1px solid var(--line);background:#fff}

/* ---- stage ---- */
.stage{min-height:0;display:flex;flex-direction:column;padding:14px 18px 16px;gap:10px}
.stagehead{display:flex;justify-content:space-between;letter-spacing:.14em;text-transform:uppercase}
.canvasbox{
  position:relative;flex:1;min-height:0;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:
    repeating-conic-gradient(#E7E2D7 0% 25%, #EDE8DE 0% 50%) 50%/22px 22px;
}
#preview{display:block;max-width:100%;max-height:100%;box-shadow:0 12px 40px rgba(0,0,0,.16);cursor:grab;outline:none}
#preview:active{cursor:grabbing}
#preview:focus-visible{box-shadow:0 12px 40px rgba(0,0,0,.16),0 0 0 2px rgba(27,25,23,.5)}
.drop{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(237,232,222,.92)}
.drop.hide{display:none}
.drop.over .dropinner{border-color:rgba(27,25,23,.6);background:#fff}
.dropinner{
  border:1px dashed rgba(27,25,23,.3);border-radius:4px;background:#F7F4EE;
  padding:34px 44px;text-align:center;max-width:440px;
}
.dropinner p{margin:6px 0 0;font-family:var(--mono);font-size:11.5px;letter-spacing:.03em}
.bigmark{font-size:34px;opacity:.35;font-family:var(--mono)}
.stagefoot{letter-spacing:.06em}

/* ---- fatal ---- */
.fatal{position:fixed;inset:0;z-index:99;background:rgba(237,232,222,.97);display:flex;align-items:center;justify-content:center;padding:24px}
.fatal-card{background:var(--card);border:1px solid var(--line);border-radius:3px;padding:22px;max-width:640px;display:flex;flex-direction:column;gap:12px}
.fatal-card h2{font-size:17px}
.fatal-card pre{font-size:10.5px;line-height:1.55;background:#FBF9F4;border:1px solid var(--line-2);padding:10px;max-height:240px;overflow:auto;white-space:pre-wrap;margin:0}
.fatal-card button{align-self:flex-start}