:root{--bg:#f3f4f7;--card:#fff;--ink:#1c2230;--mut:#6b7385;--acc:#f5a300;--line:#dde1ea}
*{box-sizing:border-box}
body{margin:0;font:15px/1.4 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink)}
header{background:#12172a;color:#fff;padding:12px 16px}
header h1{margin:0;font-size:20px}
header h1 span{font-weight:400;font-size:13px;color:#aab;margin-left:8px}
main{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:16px;padding:16px;max-width:1400px;margin:auto}
@media(max-width:900px){main{grid-template-columns:1fr}}
.card,#quote{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-bottom:12px}
h2{margin:0 0 8px;font-size:15px}
label{display:block;margin:6px 0;font-size:13px;color:var(--mut)}
label.check{display:flex;gap:6px;align-items:center;margin-top:22px}
input,select{width:100%;padding:8px;border:1px solid var(--line);border-radius:6px;font:inherit;background:#fff;color:var(--ink)}
input[type=checkbox],input[type=range],input[type=color]{width:auto}
input[type=range]{width:100%}
button{padding:8px 12px;border:1px solid var(--line);border-radius:6px;background:#fff;font:inherit;cursor:pointer}
button.primary{background:var(--acc);border-color:var(--acc);font-weight:600;width:100%;margin-top:6px}
button.active{background:#12172a;color:#fff;border-color:#12172a}
.tabs{display:flex;gap:6px;margin-bottom:8px}
.tabs button{flex:1}
#canvasWrap{position:relative;background:#222;border-radius:10px;overflow:hidden;min-height:220px}
#cv{display:block;width:100%;height:auto;touch-action:none;cursor:crosshair}
#empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#cfd3dc;text-align:center;padding:20px;cursor:pointer}
#hint{position:sticky;top:0;z-index:5;margin:8px 0;padding:8px 10px;background:#fff7e0;border:1px solid #f1d98c;border-radius:6px;font-size:13px}
#compare{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--mut)}
.row{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0}
.note{font-size:12px;color:var(--mut);margin:6px 0 0}
#tools{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:8px}
#tools button{text-align:left;font-size:13px;border-left-width:5px}
#items{list-style:none;margin:0;padding:0}
#items li{display:flex;align-items:center;gap:6px;padding:4px 0;border-bottom:1px solid var(--line);font-size:13px}
#items li b{flex:1}
#items button{padding:2px 8px}
#summary{margin-top:8px;font-size:13px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:600px){.grid2{grid-template-columns:1fr}}
#quote{max-width:1368px;margin:0 16px 24px}
@media(min-width:1432px){#quote{margin:0 auto 24px}}
table{width:100%;border-collapse:collapse;margin:8px 0}
th,td{padding:6px 8px;border-bottom:1px solid var(--line);text-align:left}
td.n,th.n{text-align:right}
td input{width:90px;text-align:right}
#totals{text-align:right;margin:10px 0;font-size:15px}
#totals .big{font-size:20px;font-weight:700}
#printImgs{display:none}
@media print{
  header,main,.noprint{display:none!important}
  body{background:#fff}
  #quote{border:0;margin:0;padding:0}
  #printImgs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}
  #printImgs img{width:100%}
  input{border:0;padding:0}
}
#cam{position:fixed;inset:0;z-index:50;background:#000}
#cam video{width:100%;height:100%;object-fit:contain}
#cross{position:absolute;left:50%;top:50%;width:40px;height:40px;margin:-20px 0 0 -20px;border:2px solid rgba(255,255,255,.8);border-radius:50%}
#cross:before,#cross:after{content:"";position:absolute;background:rgba(255,255,255,.8)}
#cross:before{left:50%;top:-12px;bottom:-12px;width:2px}
#cross:after{top:50%;left:-12px;right:-12px;height:2px}
#camInfo{position:absolute;top:12px;left:12px;color:#fff;background:rgba(0,0,0,.55);padding:6px 10px;border-radius:6px;font-size:14px}
#camBtns{position:absolute;bottom:20px;left:0;right:0;display:flex;gap:12px;justify-content:center;padding:0 16px}
#camBtns .primary{width:auto;margin:0;padding:12px 24px}
#hint.flash{animation:fl .8s}@keyframes fl{0%,60%{background:#ffd54f}100%{background:#fff7e0}}
[hidden]{display:none!important}