@import url("https://fonts.googleapis.com/css2?family=Archivo:wdth,wght@62..125,100..900&family=Space+Grotesk:wght@400;500;700&display=swap");

:root{
  --paper:#F2EFE9;
  --paper-2:#E9E4D9;
  --ink:#141414;
  --ink-soft:#3d3d3d;
  --line:#141414;
  --red:#E30613;
  --blue:#1B3BFF;
  --mut:#8a867d;
  --card:#FAF8F3;
  --mono:"Space Grotesk",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:"Archivo","Helvetica Neue",Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.45;
  background-image:linear-gradient(var(--paper-2) 1px,transparent 1px),
    linear-gradient(90deg,var(--paper-2) 1px,transparent 1px);
  background-size:56px 56px;background-position:-1px -1px;
}
.rule-top{display:flex;gap:0;height:10px}
.rule-top span{flex:1}
.rule-top span:nth-child(1){background:var(--ink)}
.rule-top span:nth-child(2){background:var(--red)}
.rule-top span:nth-child(3){background:var(--ink)}
.rule-top span:nth-child(4){background:var(--blue)}

.masthead{
  display:grid;grid-template-columns:1.35fr .9fr;gap:0;
  border-bottom:4px solid var(--ink);
  max-width:1180px;margin:0 auto;background:var(--paper);
}
.mast-left{padding:28px 28px 22px;border-right:4px solid var(--ink)}
.kicker{
  font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  background:var(--ink);color:var(--paper);display:inline-block;padding:5px 10px;margin:0 0 14px;
}
h1{
  margin:0;font-weight:900;text-transform:uppercase;line-height:.86;letter-spacing:-.03em;
  font-size:clamp(44px,7vw,92px);font-stretch:expanded;
}
h1 .outline{color:transparent;-webkit-text-stroke:2.5px var(--ink)}
.dek{max-width:44ch;font-size:15px;margin:14px 0 0;color:var(--ink-soft)}
.mast-right{padding:22px;background:var(--card);display:flex;flex-direction:column;justify-content:center;gap:12px}
.meta{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:0;border:2px solid var(--ink)}
.meta div{padding:8px 12px;border-bottom:2px solid var(--ink)}
.meta div:nth-child(odd){border-right:2px solid var(--ink)}
.meta div:nth-last-child(-n+2){border-bottom:0}
.meta dt{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--mut)}
.meta dd{margin:2px 0 0;font-family:var(--mono);font-weight:700;font-size:18px}
#seedReadout{color:var(--red)}
.seed-row{display:flex;gap:6px}
#seedInput{
  flex:1;min-width:0;font-family:var(--mono);font-weight:700;font-size:14px;letter-spacing:.06em;
  border:2px solid var(--ink);background:#fff;padding:8px 10px;text-transform:uppercase;color:var(--ink);
}
#seedInput:focus{outline:3px solid var(--red);outline-offset:-1px}
.hint{min-height:18px;margin:0;font-family:var(--mono);font-size:12px;color:var(--blue)}

.toolbar{
  max-width:1180px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:12px 20px;border-bottom:2px solid var(--ink);background:var(--ink);color:var(--paper);
  position:sticky;top:0;z-index:20;flex-wrap:wrap;
}
.seg{display:flex;border:2px solid var(--paper)}
.seg-btn{
  font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  background:transparent;color:var(--paper);border:0;padding:10px 16px;cursor:pointer;
}
.seg-btn+.seg-btn{border-left:2px solid var(--paper)}
.seg-btn.active{background:var(--red);color:#fff}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.btn{
  font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  border:2px solid var(--paper);background:transparent;color:var(--paper);
  padding:10px 14px;cursor:pointer;transition:transform .08s ease,background .12s ease;
}
.btn:hover{background:#2a2a2a}
.btn:active{transform:translateY(1px)}
.btn.red{background:var(--red);border-color:var(--red);color:#fff}
.btn.red:hover{background:#b3050f}
.btn.small{padding:8px 10px;font-size:11px}
.panel .btn{border-color:var(--ink);color:var(--ink);background:#fff}
.panel .btn:hover{background:var(--ink);color:var(--paper)}
.panel .btn.red{background:var(--red);border-color:var(--red);color:#fff}
.panel .btn.red:hover{background:#b3050f}
.panel .btn.ghost{background:transparent}
.panel .btn.big{width:100%;padding:14px;font-size:14px}
.btn[aria-pressed="true"]{background:var(--blue);border-color:var(--blue);color:#fff}
.panel .btn[aria-pressed="true"]{background:var(--blue);border-color:var(--blue);color:#fff}

.grid{
  max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1fr 330px;
  border-bottom:4px solid var(--ink);background:var(--paper);
}
.stage-wrap{border-right:4px solid var(--ink);display:flex;flex-direction:column;min-width:0}
.stage-head{
  display:flex;align-items:center;gap:12px;padding:10px 16px;
  font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  border-bottom:2px solid var(--ink);background:var(--card);
}
.dot{width:10px;height:10px;border-radius:50%;background:var(--red);margin-left:auto;animation:blink 1.1s steps(2) infinite}
.dot.paused{background:var(--mut);animation:none}
@keyframes blink{50%{opacity:.25}}
.canvas-holder{position:relative;background:#FBFAF6}
canvas#stage{display:block;width:100%;height:auto;cursor:crosshair;touch-action:none}
.drop-hint{
  position:absolute;inset:0;display:grid;place-items:center;text-align:center;pointer-events:none;
  font-weight:900;text-transform:uppercase;letter-spacing:-.02em;line-height:1.1;
  font-size:clamp(22px,4vw,44px);color:var(--ink);opacity:.12;
}
.drop-hint.gone{display:none}
.stage-foot{
  display:flex;justify-content:space-between;gap:10px;padding:10px 16px;border-top:2px solid var(--ink);
  font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;background:var(--card);
  flex-wrap:wrap;
}
.stage-foot .keys{color:var(--mut)}

.panel{background:var(--paper-2);display:flex;flex-direction:column}
.card{padding:18px;border-bottom:2px solid var(--ink);background:var(--card)}
.card:last-child{border-bottom:0}
.card h2{margin:0 0 12px;font-size:13px;font-family:var(--mono);letter-spacing:.2em;text-transform:uppercase;display:flex;align-items:center;gap:10px}
.num{background:var(--ink);color:var(--paper);font-size:11px;padding:3px 8px}
.red-card .num{background:var(--red)}
.row{display:block;margin:0 0 12px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase}
.row span{display:flex;justify-content:space-between;margin-bottom:6px}
.row b{color:var(--red)}
input[type="range"]{width:100%;accent-color:var(--red);height:28px;cursor:pointer}
.split{display:flex;gap:14px;flex-wrap:wrap}
.check{display:flex;align-items:center;gap:6px;cursor:pointer}
.check input{accent-color:var(--red);width:16px;height:16px}
.btn-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.micro{font-size:12.5px;color:var(--ink-soft);margin:10px 0 0}
.how{margin:0;padding-left:20px;font-size:13.5px}
.how li{margin-bottom:8px}
.how b{background:var(--ink);color:var(--paper);padding:0 6px;font-family:var(--mono);font-size:12px}

.colophon{
  max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 20px;font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;flex-wrap:wrap;
}
.swiss-cross{width:22px;height:22px;background:var(--red);position:relative;flex:none}
.swiss-cross::before,.swiss-cross::after{content:"";position:absolute;background:#fff}
.swiss-cross::before{left:8px;top:4px;width:6px;height:14px}
.swiss-cross::after{left:4px;top:8px;width:14px;height:6px}

@media (max-width:900px){
  .masthead{grid-template-columns:1fr}
  .mast-left{border-right:0;border-bottom:4px solid var(--ink)}
  .grid{grid-template-columns:1fr}
  .stage-wrap{border-right:0;border-bottom:4px solid var(--ink)}
  .toolbar{position:static}
}
@media (max-width:375px){
  .mast-left{padding:20px 16px}
  .mast-right{padding:16px}
  .stage-foot .keys{display:none}
  .seed-row{flex-wrap:wrap}
}
@media (prefers-reduced-motion:reduce){
  .dot{animation:none}
}