/* Slat studio — Smirnoff riser front, Electric Picnic 2026.
   Fonts are self-hosted: idirnet CSP sets font-src 'self', so no Google Fonts
   link and no inline <style>. Latin subsets only. */
@font-face{font-family:'Archivo';font-style:normal;font-weight:400 800;font-display:swap;src:url(fonts/archivo-var-latin.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/plex-mono-400-latin.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;src:url(fonts/plex-mono-500-latin.woff2) format('woff2')}

  :root{
    --red:#F8262F;
    --red-deep:#9C181E;
    --white:#ffffff;
    --paper:#f7f7f8;
    --rule:#dcdee2;
    --ink:#17181b;
    --ink-2:#63666d;
    --stage:#120508;
    --mono:"IBM Plex Mono",ui-monospace,monospace;
    --sans:"Archivo",system-ui,-apple-system,sans-serif;
  }
  *{box-sizing:border-box}
  html,body{height:100%;margin:0}
  body{background:var(--stage);color:var(--ink);font-family:var(--sans);font-size:14px;line-height:1.45;overflow:hidden}
  #app{display:grid;grid-template-columns:348px 1fr;height:100vh}

  #panel{background:var(--paper);border-right:1px solid var(--rule);overflow-y:auto;overscroll-behavior:contain}
  #brand{position:sticky;top:0;z-index:6;background:var(--red);color:var(--white);padding:13px 16px 12px}
  #brand h1{margin:0;font-size:13px;font-weight:800;letter-spacing:.2em;text-transform:uppercase}
  #brand h2{margin:2px 0 0;font-size:20px;font-weight:600;letter-spacing:-.01em}
  #brand p{margin:4px 0 0;font-family:var(--mono);font-size:10.5px;opacity:.9}

  .group{border-bottom:1px solid var(--rule);background:var(--paper)}
  .group>summary{padding:10px 16px;cursor:pointer;list-style:none;font-family:var(--mono);font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-2);display:flex;justify-content:space-between;align-items:center}
  .group>summary::-webkit-details-marker{display:none}
  .group>summary::after{content:"+";color:var(--red);font-size:14px}
  .group[open]>summary::after{content:"–"}
  .group[open]>summary{color:var(--ink);background:var(--white);border-bottom:1px solid var(--rule)}
  .body{padding:12px 16px 14px;background:var(--white)}

  .row{display:grid;grid-template-columns:1fr 66px;gap:8px;align-items:center;margin:0 0 9px}
  .row label{font-size:12.5px}
  .val{font-family:var(--mono);font-size:11.5px;text-align:right;width:100%;background:var(--paper);border:1px solid var(--rule);border-radius:2px;padding:3px 5px;color:var(--ink)}
  .val:focus{outline:2px solid var(--red);outline-offset:0}
  .slide{grid-column:1/-1;margin:-4px 0 0}
  input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:16px;background:transparent;cursor:ew-resize}
  input[type=range]::-webkit-slider-runnable-track{height:2px;background:var(--rule)}
  input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;margin-top:-5px;border-radius:50%;background:var(--red);border:2px solid var(--white)}
  input[type=range]::-moz-range-track{height:2px;background:var(--rule)}
  input[type=range]::-moz-range-thumb{width:12px;height:12px;border:2px solid var(--white);border-radius:50%;background:var(--red)}
  select,input[type=color],input[type=text].field{width:100%;font-family:var(--mono);font-size:11.5px;padding:4px 5px;color:var(--ink);background:var(--paper);border:1px solid var(--rule);border-radius:2px}
  input[type=color]{height:26px;padding:2px}
  .full{display:block;margin:0 0 9px}
  .full>span{display:block;font-size:12.5px;margin:0 0 4px}
  .pair{display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .check{display:flex;align-items:center;gap:8px;margin:0 0 9px;font-size:12.5px;cursor:pointer}
  .check input{width:15px;height:15px;accent-color:var(--red);margin:0}
  .btns{display:flex;flex-wrap:wrap;gap:6px}
  button{font-family:var(--mono);font-size:10.5px;letter-spacing:.07em;text-transform:uppercase;padding:6px 9px;background:var(--white);color:var(--ink);border:1px solid var(--ink);border-radius:2px;cursor:pointer}
  button:hover{background:var(--red);border-color:var(--red);color:var(--white)}
  button:focus-visible{outline:2px solid var(--red);outline-offset:2px}
  button.primary{background:var(--red);border-color:var(--red);color:var(--white)}
  button.primary:hover{background:var(--red-deep);border-color:var(--red-deep)}
  .hint{font-family:var(--mono);font-size:10px;color:var(--ink-2);margin:9px 0 0;line-height:1.5}
  .stat strong.bad{color:#ff6b76}
  .stat strong.good{color:#7ee0a8}
  #dimLayer{position:absolute;inset:0;pointer-events:none;z-index:4}
  #dimLayer .dim{position:absolute;transform:translate(-50%,-50%);font-family:var(--mono);font-size:10.5px;
    line-height:1.25;white-space:nowrap;color:#fff;background:rgba(18,5,8,.72);border:1px solid rgba(255,255,255,.22);
    border-radius:2px;padding:2px 5px;text-align:center}
  #dimLayer .dim.key{background:var(--red);border-color:var(--red)}
  #dimLayer .dim b{display:block;font-weight:600;font-size:11px}
  #dimLayer .dim i{display:block;font-style:normal;opacity:.72;font-size:9.5px}
  #curve{width:100%;height:96px;display:block;background:var(--paper);border:1px solid var(--rule);border-radius:2px;touch-action:none;cursor:crosshair}

  #stage{position:relative;background:var(--stage);overflow:hidden}
  canvas#c{display:block;width:100%;height:100%}
  #hud{position:absolute;left:18px;top:18px;display:flex;flex-wrap:wrap;gap:20px;pointer-events:none;font-family:var(--mono);max-width:68%}
  .stat span{display:block;font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:#a2848a}
  .stat strong{display:block;font-size:19px;font-weight:500;color:#fff}
  #mark{position:absolute;right:18px;top:18px;text-align:right;pointer-events:none;font-family:var(--sans);color:#fff}
  #mark b{display:block;font-size:10.5px;font-weight:800;letter-spacing:.2em}
  #mark i{display:block;font-style:normal;font-family:var(--mono);font-size:9.5px;color:#c9a3a9;margin-top:2px}
  #gaugeLabel{position:absolute;left:18px;bottom:70px;font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:#a2848a}
  #gauge{position:absolute;left:18px;right:18px;bottom:18px;height:46px;pointer-events:none}
  #angleTag{position:absolute;right:18px;bottom:70px;font-family:var(--mono);font-size:11px;color:#fff;pointer-events:none}
  #err{position:absolute;inset:0;display:none;place-content:center;padding:40px;color:#fff;font-family:var(--mono);font-size:13px;text-align:center}

  @media (max-width:860px){
    body{overflow:auto}
    #app{grid-template-columns:1fr;height:auto}
    #panel{order:2;border-right:0;border-top:1px solid var(--rule)}
    #stage{order:1;height:60vh}
    #brand{position:static}
  }
  /* utility spacing — replaces inline style attrs, which idirnet CSP (style-src 'self') blocks */
  .mt10{margin-top:10px}
  .mt8{margin-top:8px}