#sjk-app{--sjk-a:#1a1512;--sjk-line:#ddd8d1;--sjk-mut:#7a736b;
  border:1px solid var(--sjk-line);border-radius:14px;padding:18px;margin:0 0 18px;
  font-size:15px;line-height:1.5;background:#fbfaf8}
#sjk-app *{box-sizing:border-box}
#sjk-app h4{margin:0 0 4px;font-size:15px;font-weight:600}
.sjk-step{margin:0 0 18px}
.sjk-step-n{display:inline-flex;width:22px;height:22px;border-radius:50%;background:var(--sjk-a);
  color:#fff;font-size:12px;font-weight:700;align-items:center;justify-content:center;margin-right:8px}
.sjk-note{font-size:13px;color:var(--sjk-mut);margin:4px 0 8px}
.sjk-drop{border:2px dashed #c9c2b8;border-radius:12px;padding:26px 14px;text-align:center;
  color:var(--sjk-mut);cursor:pointer;transition:.15s;background:#fff}
.sjk-drop:hover,.sjk-drop.over{border-color:var(--sjk-a);color:var(--sjk-a)}
.sjk-btns{display:flex;flex-wrap:wrap;gap:8px}
.sjk-btn{padding:9px 16px;border:1.5px solid var(--sjk-line);border-radius:10px;background:#fff;
  cursor:pointer;font-size:14px;color:#3a352f;transition:.12s;user-select:none}
.sjk-btn:hover{border-color:var(--sjk-a)}
.sjk-btn.on{background:var(--sjk-a);color:#fff;border-color:var(--sjk-a)}
.sjk-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
@media(max-width:760px){.sjk-row{grid-template-columns:1fr}}
.sjk-canvasbox{background:#fff;border:1px solid var(--sjk-line);border-radius:12px;padding:10px}
.sjk-canvasbox p{font-size:12.5px;color:var(--sjk-mut);margin:6px 0 0}
#sjk-app canvas{max-width:100%;display:block;border-radius:8px;touch-action:none}
#sjkSrc{cursor:crosshair}#sjkSel{cursor:move}
.sjk-ctrl{margin:10px 0 0}
.sjk-ctrl label{display:block;font-size:13px;color:var(--sjk-mut);margin:0 0 3px}
.sjk-ctrl label span{float:right;color:#3a352f}
.sjk-ctrl input[type=range]{width:100%;accent-color:var(--sjk-a)}
.sjk-ctrl input[type=text]{width:100%;padding:8px 10px;border:1.5px solid var(--sjk-line);
  border-radius:9px;font-size:14px}
.sjk-check{display:flex;align-items:center;gap:8px;font-size:14px;margin:8px 0 0;color:#3a352f}
.sjk-check input{accent-color:var(--sjk-a);width:17px;height:17px;margin:0}
.sjk-preview-wrap{position:sticky;top:10px}
.sjk-confirm{width:100%;margin-top:14px;padding:13px;border:0;border-radius:11px;
  background:var(--sjk-a);color:#fff;font-size:15px;font-weight:600;cursor:pointer}
.sjk-confirm:disabled{opacity:.45;cursor:not-allowed}
.sjk-ok{background:#eaf4ec;border:1px solid #bcd8c2;color:#2e5c38;border-radius:9px;
  padding:9px 12px;font-size:13.5px;margin-top:10px}
.sjk-err{background:#faeceb;border:1px solid #e3b7b2;color:#7a2e26;border-radius:9px;
  padding:9px 12px;font-size:13.5px;margin-top:10px}
.sjk-hide{display:none!important}