:root{
  --bg:#ECEBE6; --panel:#F7F6F2; --ink:#1B1A17; --muted:#6E6B63; --line:#D3D1C9; --accent:#A67A22; --accent-ink:#fff;
  --stage:#DCDBD4;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--ink);font:14px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;display:flex;flex-direction:column}
button{font:inherit;cursor:pointer;border:1px solid var(--line);background:var(--panel);color:var(--ink);padding:7px 12px;border-radius:4px}
button:hover{border-color:var(--ink)}
button.primary{background:var(--ink);color:#fff;border-color:var(--ink)}
button.primary:hover{background:#000}
button.mini{padding:2px 8px;font-size:12px}
button.ghost{background:transparent}
textarea{font:inherit;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:4px;padding:8px;width:100%;resize:vertical;line-height:1.4;font-size:15px}
input,select{font:inherit;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:4px;padding:6px 8px;width:100%}
input[type=range]{padding:0;background:transparent;border:0}
input[type=color]{padding:2px;height:34px}
input[type=checkbox]{width:auto}
.top{display:flex;align-items:center;gap:14px;padding:10px 16px;border-bottom:1px solid var(--line);background:var(--panel)}
.brand{font-weight:700;letter-spacing:.02em;white-space:nowrap}
.name{max-width:320px}
.actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.shuffle{display:inline-flex;border:1px solid var(--line);border-radius:4px;overflow:hidden}
.shuffle button{border:0;border-radius:0}
.locks{display:inline-flex}
.locks button{border:0;border-left:1px solid var(--line);border-radius:0;padding:6px 9px;font-size:12px;color:var(--muted);background:var(--panel)}
.locks button::before{content:'\1F513\00A0';font-size:11px}
.locks button.on{background:var(--ink);color:#fff}
.locks button.on::before{content:'\1F512\00A0'}
.layout{flex:1;display:grid;grid-template-columns:400px 1fr;min-height:0}
.panel{overflow-y:auto;border-right:1px solid var(--line);background:var(--panel);padding:8px 16px 40px}
.panel section{padding:14px 0;border-bottom:1px solid var(--line)}
.panel h2{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 10px;display:flex;justify-content:space-between;align-items:center;font-weight:600}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}
.row .wide{grid-column:1/-1}
label{display:flex;flex-direction:column;gap:4px;font-size:12.5px;color:var(--muted)}
label .val{float:right;color:var(--ink);font-variant-numeric:tabular-nums;font-size:12px}
label.check{flex-direction:row;align-items:center;gap:8px;color:var(--ink)}
.line{border:1px solid var(--line);background:#fff;border-radius:6px;padding:10px;margin-bottom:10px}
.line .head{display:flex;gap:6px;align-items:center;margin-bottom:8px}
.line .head input{flex:1;font-size:15px}
.line .head button{padding:4px 7px;font-size:12px}
.line .grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.line .grid label{font-size:11.5px}
.line .grid .full{grid-column:1/-1}
.line .inline{display:flex;gap:14px;align-items:center;color:var(--ink);font-size:12.5px}
.line .inline label{flex-direction:row;align-items:center;gap:6px;color:var(--ink)}
.swatches{display:flex;gap:6px;flex-wrap:wrap;padding-top:4px}
.sw{width:26px;height:26px;border-radius:50%;border:2px solid transparent;cursor:pointer;box-shadow:inset 0 0 0 1px rgba(0,0,0,.15)}
.sw.on{border-color:var(--accent)}
.stage{position:relative;background:var(--stage);display:flex;align-items:center;justify-content:center;padding:24px;min-height:0;overflow:auto}
.stageInner{max-height:100%;max-width:100%;display:flex;align-items:center;justify-content:center}
.stageInner svg{max-height:calc(100vh - 120px);max-width:100%;height:auto;filter:drop-shadow(0 6px 24px rgba(0,0,0,.18))}
.status{position:absolute;left:16px;bottom:12px;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.designs{list-style:none;padding:0;margin:0}
.designs li{display:flex;align-items:center;gap:8px;padding:6px 0;border-bottom:1px dashed var(--line);font-size:13px}
.designs li a{flex:1;cursor:pointer}
.designs li a:hover{text-decoration:underline}
.designs .muted{font-size:11px;color:var(--muted)}
.modal[hidden]{display:none}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;z-index:10;padding:20px}
.modalBox{background:var(--panel);border-radius:8px;max-width:1100px;width:100%;max-height:92vh;overflow:auto;padding:16px}
.modalHead{display:flex;gap:12px;align-items:center;margin-bottom:12px}
.modalHead .muted{color:var(--muted);flex:1}
.proofGrid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.proofGrid figure{margin:0}
.proofGrid img,.proofGrid svg{width:100%;height:auto;background:repeating-conic-gradient(#ddd 0 25%,#fff 0 50%) 0 0/20px 20px;border:1px solid var(--line)}
.proofGrid figcaption{font-size:12px;color:var(--muted);margin-top:6px}
@media (max-width:900px){.layout{grid-template-columns:1fr}.panel{border-right:0;max-height:55vh}.stageInner svg{max-height:40vh}}