@font-face{font-family:"Bebas Neue";src:url(../fonts/bebas-neue.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Roboto Condensed";src:url(../fonts/roboto-condensed-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Roboto Condensed";src:url(../fonts/roboto-condensed-700.woff2) format("woff2");font-weight:700;font-display:swap}
:root{
  --paper:#f6f4ef;--card:#fffdf8;--ink:#1d2329;--acc:#b4532a;--acc-d:#93401f;--brown:#5b3a24;--gold:#c9a24a;--muted:#5f6b75;--line:#d5d0c4;
  --acrylic:rgba(201,162,74,.28);--wood:#7a4a2a;--cut:#d11d1d;--score:#1f4fd1;--engrave:#1d2329;--sim:rgba(91,58,36,.16);--simpart:rgba(201,162,74,.55);--simline:#5b3a24;--bad:rgba(220,30,30,.75);
  --radius:10px;--maxw:1240px;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.55 "Roboto Condensed",system-ui,sans-serif}
a{color:var(--acc-d)}
a:hover{color:var(--brown)}
h1,h2,h3{font-family:"Bebas Neue",Impact,sans-serif;font-weight:400;letter-spacing:.02em;line-height:1.02;color:var(--brown);margin:0 0 .4em}
h1{font-size:clamp(40px,5.2vw,64px)}
h2{font-size:clamp(32px,4.5vw,48px);margin-top:1.4em}
h3{font-size:26px;margin-top:1.2em}
p{margin:0 0 1em}
code,kbd{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.92em;background:#efe9dc;padding:.05em .35em;border-radius:4px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:10}

/* header */
.top{border-bottom:1px solid var(--line);background:var(--paper)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--brown)}
.brand svg{width:34px;height:34px}
.brand b{font:400 30px/1 "Bebas Neue",sans-serif;letter-spacing:.04em}
.top nav{display:flex;gap:18px;flex-wrap:wrap}
.top nav a{text-decoration:none;color:var(--ink);font-weight:700;font-size:15px;text-transform:uppercase;letter-spacing:.04em}
.top nav a:hover{color:var(--acc)}

/* hero */
.hero{padding:34px 0 10px}
.hero .kicker{display:inline-block;font-weight:700;text-transform:uppercase;letter-spacing:.12em;font-size:13px;color:var(--acc);margin-bottom:8px}
.hero p.lede{font-size:19px;max-width:760px;color:#2f363d}
.bar{width:90px;height:6px;background:var(--acc);margin:6px 0 18px}

/* app */
.app{display:grid;grid-template-columns:360px 1fr;gap:22px;margin:18px 0 10px;align-items:start}
.panel,.stage{background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.panel{padding:16px 18px}
.panel fieldset{border:0;border-top:1px solid var(--line);margin:0;padding:12px 0 6px}
.panel fieldset:first-child{border-top:0;padding-top:0}
.panel legend{font:400 22px/1 "Bebas Neue",sans-serif;color:var(--brown);letter-spacing:.04em;padding:0 0 6px}
.seg{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 8px}
.seg label{position:relative;cursor:pointer}
.seg input{position:absolute;opacity:0;inset:0}
.seg span{display:inline-block;padding:7px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;font-weight:700;font-size:14px}
.seg input:checked+span{background:var(--brown);border-color:var(--brown);color:#fff}
.seg input:focus-visible+span{outline:2px solid var(--acc);outline-offset:2px}
.field{display:block;margin:6px 0 10px}
.field>span{display:block;font-size:14px;font-weight:700;color:#3a4148;margin-bottom:3px}
.field em{font-style:normal;color:var(--muted);font-weight:400}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
input[type=number],select{width:100%;font:inherit;font-size:16px;padding:8px 10px;border:1px solid #c9c2b3;border-radius:7px;background:#fff;color:var(--ink)}
input[type=number]:focus,select:focus{outline:2px solid var(--acc);outline-offset:0;border-color:var(--acc)}
.check{display:flex;gap:8px;align-items:center;font-size:15px;margin:4px 0}
.help{font-size:14px;color:var(--muted);margin:2px 0 8px}
.drop{border:2px dashed #c9c2b3;border-radius:9px;padding:14px;text-align:center;font-size:15px;color:#3a4148;background:#fbf8f1}
.drop.over{border-color:var(--acc);background:#fbefe6}
.drop input{display:block;margin:8px auto 0;max-width:100%}
#svgInfo{font-size:14px;margin-top:8px;color:#3a4148}

.stage{padding:12px;min-width:0}
#preview{background:
  linear-gradient(#e7e1d4 1px,transparent 1px) 0 0/24px 24px,
  linear-gradient(90deg,#e7e1d4 1px,transparent 1px) 0 0/24px 24px,#fbf9f4;border-radius:7px;min-height:340px;display:flex;align-items:center;justify-content:center;overflow:hidden}
#preview svg{width:100%;height:auto;max-height:68vh;display:block}
.legend{display:flex;flex-wrap:wrap;gap:14px;font-size:14px;color:#3a4148;margin:10px 4px 2px}
.legend i{display:inline-block;width:18px;height:0;border-top:3px solid;vertical-align:middle;margin-right:6px}
.legend i.box{height:12px;border:0;width:14px}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin:12px 4px 4px}
.btn{appearance:none;border:0;border-radius:8px;padding:12px 18px;font:700 16px/1 "Roboto Condensed",sans-serif;text-transform:uppercase;letter-spacing:.05em;cursor:pointer;background:var(--acc);color:#fff}
.btn:hover{background:var(--acc-d)}
.btn.alt{background:var(--brown)}
.btn:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
#report{margin:8px 4px 0;font-size:15.5px}
#report p{margin:6px 0;padding:8px 12px;border-radius:7px;background:#f3efe6}
#report p.ok{background:#e9f2e6;border-left:4px solid #3f7d3a}
#report p.warn{background:#fbefe6;border-left:4px solid var(--acc)}
#report p.bad{background:#fbe6e6;border-left:4px solid #c22}
#err{background:#fbe6e6;border-left:4px solid #c22;padding:10px 12px;border-radius:7px;margin:0 0 10px}

/* content */
.content{max-width:820px}
.content ul,.content ol{padding-left:1.3em}
.content li{margin:.3em 0}
.formula{font:400 30px/1.2 "Bebas Neue",sans-serif;letter-spacing:.03em;color:var(--brown);background:var(--card);border:1px solid var(--line);border-left:6px solid var(--acc);padding:14px 18px;border-radius:8px;margin:12px 0 18px}
table{border-collapse:collapse;width:100%;margin:10px 0 18px;background:var(--card);font-size:16px}
th,td{border:1px solid var(--line);padding:7px 10px;text-align:left}
th{background:#efe9dc;color:var(--brown)}
.tablewrap{overflow-x:auto}
details{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:10px 14px;margin:8px 0}
details summary{cursor:pointer;font-weight:700;color:var(--brown)}
details[open] summary{margin-bottom:6px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:12px 0}
.cards a{display:block;background:var(--card);border:1px solid var(--line);border-radius:9px;padding:14px 16px;text-decoration:none;color:var(--ink)}
.cards a b{display:block;font:400 24px/1.05 "Bebas Neue",sans-serif;color:var(--brown);letter-spacing:.03em;margin-bottom:4px}
.cards a:hover{border-color:var(--acc)}
.crumbs{font-size:14px;color:var(--muted);margin:18px 0 0}
.crumbs a{color:var(--muted)}
.cta{background:var(--brown);color:#fff;border-radius:12px;padding:22px 24px;margin:28px 0}
.cta h2{color:#fff;margin-top:0}
.cta a.btn{display:inline-block;text-decoration:none;color:#fff}
.cta p{color:#efe6da}

footer{border-top:1px solid var(--line);margin-top:48px;padding:26px 0 40px;font-size:15px;color:var(--muted)}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px}
footer a{color:var(--brown)}

@media (max-width:900px){
  .app{grid-template-columns:1fr}
  .stage{order:-1}
  #preview{min-height:240px}
  .top nav{gap:12px}
  .top nav a{font-size:13px}
}
@media (max-width:520px){
  body{font-size:16px}
  .top .wrap{flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
  .row2{grid-template-columns:1fr 1fr}
  .btn{flex:1 1 auto}
}
@media print{.top,.panel,.actions,footer,.content,.hero p{display:none}.app{display:block}}
.chip{appearance:none;border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;font:700 14px/1 "Roboto Condensed",sans-serif;cursor:pointer;color:var(--ink)}
.chip:hover{border-color:var(--acc);color:var(--acc)}