/* Hourglass Loop Atelier — Swiss poster system. System fonts only. */
:root{
  --paper:#F4F1EB; --ink:#111111; --red:#E2001A; --red-dark:#A50013;
  --line:#111111; --gray:#D8D4CB; --gray-d:#8A877F; --white:#FFFFFF;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:"Helvetica Neue",Helvetica,Arial,system-ui,-apple-system,"Segoe UI",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}
.tabular{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
code{font-family:var(--mono);font-size:.85em;background:#111;color:#F4F1EB;padding:.1em .35em;border-radius:3px}
:focus-visible{outline:3px solid var(--red);outline-offset:2px}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:50;font-weight:700}
.skip:focus{left:8px;top:8px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 20px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px}
.mark{display:grid;place-items:center;width:40px;height:40px;background:var(--red);color:#fff;font-size:24px;font-weight:900;border-radius:2px}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-size:15px;letter-spacing:.12em}
.brand-text em{font-style:normal;font-size:12px;letter-spacing:.06em;color:#444}
.top-meta{display:flex;gap:10px;align-items:center;font-weight:700}
#clockReadout{font-size:20px;letter-spacing:.04em;border:2px solid var(--ink);padding:4px 10px;background:#fff}
.seed-badge{background:var(--ink);color:#fff;font-size:12px;letter-spacing:.08em;padding:7px 10px;border-radius:2px}
.rule{height:8px;background:var(--ink);border-top:3px solid var(--red)}
#app{max-width:1180px;margin:0 auto;padding:28px 20px 60px}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:end;margin:10px 0 24px}
.hero h1{margin:0;font-size:clamp(56px,10vw,124px);line-height:.86;letter-spacing:-.03em;font-weight:900}
.hero h1 .red{color:var(--red)}
.lede{font-size:19px;max-width:34ch;margin:0 0 12px;font-weight:500}
.kbd-help{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;font-size:13px}
.kbd-help li{border:1.5px solid var(--ink);background:#fff;padding:3px 8px;border-radius:2px}
kbd{font-family:var(--mono);font-size:12px;background:var(--ink);color:#fff;border-radius:3px;padding:1px 6px}
.grid{display:grid;grid-template-columns:1.05fr .95fr;gap:0;border:3px solid var(--ink);background:var(--ink)}
.panel{background:var(--paper);padding:18px;min-width:0;border:1.5px solid var(--ink)}
.panel-head{display:flex;align-items:baseline;gap:10px;border-bottom:3px solid var(--ink);padding-bottom:10px;margin-bottom:14px}
.panel-head .num{background:var(--red);color:#fff;font-weight:900;padding:2px 8px;font-size:14px}
.panel-head h2{margin:0;font-size:20px;text-transform:uppercase;letter-spacing:.06em}
.panel-head .tag{margin-left:auto;font-size:12px;text-transform:uppercase;letter-spacing:.1em;border:1.5px solid var(--ink);padding:2px 8px;background:#fff}
#canvasWrap{position:relative;background:#fff;border:2.5px solid var(--ink);display:grid;place-items:center;padding:10px}
#canvasWrap:focus-visible{outline:3px solid var(--red);outline-offset:3px}
canvas#loop{width:100%;height:auto;aspect-ratio:1/1;display:block;background:#F4F1EB;image-rendering:auto}
#cursorDot{position:absolute;width:14px;height:14px;background:var(--red);border:2px solid #fff;outline:2px solid var(--ink);border-radius:50%;pointer-events:none;transform:translate(-50%,-50%)}
.hint{font-size:13px;color:#333;margin:8px 0 0}
.transport{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
button{font-family:var(--sans);font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:.05em;border:2px solid var(--ink);background:#fff;color:var(--ink);padding:9px 12px;cursor:pointer;border-radius:2px;box-shadow:3px 3px 0 var(--ink)}
button:hover{background:var(--ink);color:#fff}
button:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
button.primary{background:var(--red);border-color:var(--ink);color:#fff}
button.primary:hover{background:var(--red-dark)}
button .muted{font-weight:400;text-transform:none;opacity:.75}
.status{font-size:13px;font-family:var(--mono);background:var(--ink);color:#fff;padding:8px 10px;margin:12px 0 0}
.card-preview{display:flex;gap:12px;align-items:flex-start;margin-top:12px}
.card-preview img{width:150px;height:auto;border:2px solid var(--ink);background:#fff}
.card-meta{display:flex;flex-direction:column;gap:8px;font-size:14px}
.card-meta a{font-weight:800;color:var(--red-dark)}
.sliders{display:grid;gap:12px}
.sliders label{display:grid;grid-template-columns:1fr auto;gap:4px 10px;font-weight:800;text-transform:uppercase;font-size:13px;letter-spacing:.07em;border-bottom:1px solid var(--gray);padding-bottom:8px}
.sliders output{font-weight:900}
.sliders input[type=range]{grid-column:1/-1;width:100%;accent-color:var(--red);height:28px}
.sliders small{grid-column:1/-1;font-weight:400;text-transform:none;letter-spacing:0;color:#444;font-size:12.5px;margin-top:-4px}
.seed-row{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:14px;background:var(--ink);color:#fff;padding:12px;flex-wrap:wrap}
.seed-label{font-size:11px;letter-spacing:.18em;opacity:.8}
#seedLine{font-weight:900;font-size:15px}
.seed-btns{display:flex;gap:8px;flex-wrap:wrap}
.seed-btns button{box-shadow:3px 3px 0 var(--red)}
.history{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.history li{border:2px solid var(--ink);background:#fff;padding:10px;display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center}
.history .yr{font-weight:900;font-size:20px;background:var(--ink);color:#fff;padding:4px 8px;min-width:76px;text-align:center}
.history .tt{font-size:14px}
.history .tt strong{display:block;font-size:14px;text-transform:uppercase;letter-spacing:.05em}
.history .dots{font-family:var(--mono);font-size:12px;letter-spacing:2px;margin-top:4px;color:var(--red-dark)}
.history button{white-space:nowrap}
.beat-head{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
.beat-head label{font-weight:800;text-transform:uppercase;font-size:13px;display:flex;gap:10px;align-items:center}
.beat-head input{accent-color:var(--red);width:140px}
.beat-btns{display:flex;gap:8px}
.beats{display:grid;grid-template-columns:repeat(8,1fr);gap:8px}
.beat{position:relative;border:2px solid var(--ink);background:#fff;aspect-ratio:1/1;display:grid;place-items:center;cursor:pointer;padding:0;box-shadow:none}
.beat span{font-family:var(--mono);font-size:11px;font-weight:700}
.beat[aria-pressed=true]{background:var(--ink);color:#fff}
.beat[aria-pressed=true]::after{content:"";position:absolute;top:4px;right:4px;width:8px;height:8px;background:var(--red);border-radius:50%}
.beat.playing{outline:3px solid var(--red);outline-offset:1px}
.foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:18px;font-size:13px;border-top:3px solid var(--ink);padding-top:12px}
@media (max-width:900px){
  .hero{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
  .beats{grid-template-columns:repeat(8,1fr)}
}
@media (max-width:420px){
  #app{padding:18px 12px 48px}
  .beats{grid-template-columns:repeat(4,1fr)}
  .history li{grid-template-columns:auto 1fr}
  .history button{grid-column:1/-1}
  .card-preview{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}