:root{
  --bg0:#070a0f;
  --bg1:#0b0f14;
  --text:#f2f7ff;
  --muted:rgba(242,247,255,.76);
  --muted2:rgba(242,247,255,.62);
  --card: rgba(16,22,34,.72);
  --border: rgba(255,255,255,.12);
  --shadow: 0 18px 50px rgba(0,0,0,.45);
  --shadow2: 0 10px 28px rgba(0,0,0,.30);
  --accent:#7bd389;
  --accent2:#6aa7ff;
  --radius:20px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  color:var(--text);
  font-family:var(--sans);
  background:
    radial-gradient(1200px 700px at 15% 10%, rgba(123,211,137,.20), transparent 62%),
    radial-gradient(1100px 700px at 88% 0%, rgba(106,167,255,.22), transparent 58%),
    radial-gradient(900px 700px at 50% 80%, rgba(255,255,255,.05), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
}
.wrap{max-width:1120px;margin:0 auto;padding:28px 18px 54px}

.top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:14px}
.brand{display:flex;gap:12px;align-items:center;min-width:0}
.logo{width:46px;height:46px;filter: drop-shadow(0 12px 24px rgba(0,0,0,.55));}
.brandText{min-width:0}
h1{margin:0;font-size:22px;letter-spacing:.2px}
.tag{margin:2px 0 0 0;color:var(--muted2);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.headerActions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}

.grid{display:grid;grid-template-columns: 1.1fr .9fr; gap:14px}
.card{
  position:relative;
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:18px;
  overflow:hidden;
}
.card::before{
  content:"";
  position:absolute; inset:-2px;
  background:
    radial-gradient(620px 220px at 10% 0%, rgba(123,211,137,.12), transparent 60%),
    radial-gradient(520px 260px at 90% 0%, rgba(106,167,255,.12), transparent 62%);
  pointer-events:none;
}
.cardHead{display:flex;align-items:flex-end;justify-content:space-between;gap:10px;flex-wrap:wrap}
h2{margin:0;font-size:16px;letter-spacing:.2px}
.small{font-size:13px}

.btn{
  appearance:none;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(123,211,137,.20);
  color:var(--text);
  padding:10px 14px;
  border-radius:12px;
  cursor:pointer;
  font-weight:900;
  letter-spacing:.2px;
  transition: transform .12s ease, border-color .12s ease, background .12s ease;
  box-shadow: 0 12px 22px rgba(0,0,0,.22);
}
.btn.secondary{background:rgba(106,167,255,.20)}
.btn.ghost{background:rgba(255,255,255,.04)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn:hover:not(:disabled){border-color:rgba(255,255,255,.26); transform: translateY(-1px)}
.btn:active:not(:disabled){transform: translateY(0px) scale(.99)}

.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.split{justify-content:space-between}
.pill{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);padding:8px 12px;border-radius:999px;box-shadow:var(--shadow2)}

.presetRow{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.preset{border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);border-radius:999px;padding:10px 12px;cursor:pointer;user-select:none}
.preset:hover{border-color:rgba(255,255,255,.26)}

.deck{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:14px}
.dcard{border:1px solid rgba(255,255,255,.12);border-radius:16px;background:rgba(0,0,0,.22);padding:12px;min-height:104px}
.dtitle{font-weight:900;letter-spacing:.2px}
.dmeta{color:var(--muted2);font-size:12px;margin-top:4px}
.dbody{color:var(--muted);font-size:13px;line-height:1.45;margin-top:8px}

.player{margin-top:14px; border-top:1px dashed rgba(255,255,255,.16); padding-top:14px}
.stepTop{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap}
.stepTitle{font-weight:1000;font-size:18px}
.stepMeta{color:var(--muted2);font-size:12px;margin-top:4px}
.timerBox{border:1px solid rgba(255,255,255,.12);background:rgba(0,0,0,.22);border-radius:16px;padding:12px;min-width:140px}
.timerLabel{color:var(--muted2);font-size:12px;letter-spacing:.08em;text-transform:uppercase}
.timerValue{font-family:var(--mono);font-size:22px;margin-top:4px}

.illustration{position:relative;margin:14px 0; height:140px; border-radius:18px; border:1px solid rgba(255,255,255,.12); background:rgba(0,0,0,.18); overflow:hidden}
.blob{position:absolute; inset:-60px; background: radial-gradient(circle at 30% 35%, rgba(123,211,137,.22), transparent 55%), radial-gradient(circle at 75% 30%, rgba(106,167,255,.22), transparent 55%), radial-gradient(circle at 55% 70%, rgba(255,255,255,.08), transparent 60%); filter: blur(0px); transform: rotate(8deg)}
.icon{position:absolute; left:24px; bottom:18px; font-size:56px; opacity:.92; filter: drop-shadow(0 18px 22px rgba(0,0,0,.4))}

.stepBody{font-size:15px; line-height:1.6; max-width:74ch; color:var(--text)}

.advGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:12px}
label{display:flex;flex-direction:column;gap:6px;color:var(--muted2);font-size:13px}
select{
  background:rgba(0,0,0,.22);
  color:var(--text);
  border:1px solid rgba(255,255,255,.12);
  border-radius:12px;
  padding:10px 12px;
}
label.check{grid-column:1/-1;flex-direction:row;align-items:center;gap:10px;color:var(--text)}
label.check input{width:18px;height:18px}

.viz{width:100%;height:auto;margin-top:14px;border-radius:16px;border:1px solid rgba(255,255,255,.12);background:rgba(0,0,0,.18)}
.preview{margin-top:12px; border:1px solid rgba(255,255,255,.12); border-radius:16px; overflow:hidden}
.preview img{width:100%; height:auto; display:block}

.muted{color:var(--muted)}
.footNote{margin-top:10px}
.foot{margin-top:18px;color:var(--muted2);font-size:13px}
.foot a{color:rgba(106,167,255,.94);text-decoration:none}
.foot a:hover{text-decoration:underline}

:focus-visible{outline:2px solid rgba(123,211,137,.75); outline-offset: 2px}

dialog::backdrop{background:rgba(0,0,0,.62)}
.dialog{min-width:min(840px, 94vw)}
menu{display:flex;justify-content:flex-end;padding:0;margin:12px 0 0 0}

@media(max-width:920px){
  .grid{grid-template-columns:1fr}
  .deck{grid-template-columns:1fr}
  .advGrid{grid-template-columns:1fr}
}