:root{
  --bg:#070b14;
  --panel:#0c1222;
  --panel2:#0a1020;
  --text:#eaf0ff;
  --muted:#9fb0d8;
  --accent:#5aa0ff;
  --good:#3ddc97;
  --bad:#ff5a7a;
  --warn:#ffd166;
  --shadow: 0 18px 55px rgba(0,0,0,.55);
  --radius:16px;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 700px at 70% 20%, rgba(90,160,255,.18), transparent 60%),
              radial-gradient(900px 600px at 20% 60%, rgba(61,220,151,.12), transparent 60%),
              var(--bg);
  color:var(--text);
}

.container{
  max-width: 980px;
  margin: 22px auto;
  padding: 14px;
}

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.06);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 16px;
  margin: 14px 0;
}

.row{display:flex; gap:12px; flex-wrap:wrap}
.col{flex:1; min-width:260px}

h1,h2{margin: 8px 0 12px}
small, .muted{color:var(--muted)}

.btn{
  border:0;
  background: rgba(255,255,255,.07);
  color:var(--text);
  padding: 12px 14px;
  border-radius: 12px;
  cursor:pointer;
  transition: .15s;
}
.btn:hover{transform: translateY(-1px); background: rgba(255,255,255,.10)}
.btn.primary{background: rgba(90,160,255,.22); border:1px solid rgba(90,160,255,.35)}
.btn.primary:hover{background: rgba(90,160,255,.30)}
.btn.good{background: rgba(61,220,151,.20); border:1px solid rgba(61,220,151,.35)}
.btn.bad{background: rgba(255,90,122,.20); border:1px solid rgba(255,90,122,.35)}
.btn.big{padding:18px 18px; font-size:18px; width:100%}

.input{
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.25);
  color: var(--text);
  outline:none;
}

.pills{display:flex; gap:8px; flex-wrap:wrap; margin: 10px 0}
.pill{
  padding:6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.06);
  color: var(--muted);
  font-size: 13px;
}

.hr{height:1px; background: rgba(255,255,255,.08); margin: 14px 0}

.answerGrid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:10px;
  margin-top: 10px;
}
.answer{
  padding: 14px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.25);
  cursor:pointer;
}
.answer.disabled{opacity:.45; cursor:not-allowed}
.answer.correct{border-color: rgba(61,220,151,.7)}
.answer.wrong{border-color: rgba(255,90,122,.7)}

.zoneGrid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:10px;
  margin-top: 10px;
}
.zone{
  padding: 14px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.25);
}
.sliderRow{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top: 8px;
}
.range{
  width:100%;
}
kbd{
  background: rgba(255,255,255,.08);
  padding: 2px 6px;
  border-radius: 8px;
  border:1px solid rgba(255,255,255,.10);
  color: var(--muted);
}

.debug{
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  white-space: pre-wrap;
  background: rgba(0,0,0,.35);
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.08);
  max-height: 220px;
  overflow:auto;
}