:root{
  --bg:#0e0f15;
  --panel:#121522;
  --accent:#8ecae6;
  --accent-2:#219ebc;
  --text:#e8ecf1;
  --muted:#97a4b3;
  --danger:#ef476f;
  --ok:#06d6a0;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 20% -10%, #2a2f4b 0%, #121522 40%, #0e0f15 100%);
  color:var(--text);
}
.header{display:flex;gap:16px;align-items:center;padding:18px 22px;border-bottom:1px solid rgba(255,255,255,.06);background:linear-gradient(180deg, rgba(255,255,255,.04), transparent)}
.header h1{font-size: clamp(20px, 2vw, 28px);margin:0}
.header .subtitle{font-size:14px;color:var(--muted)}

.container{max-width: 980px;margin: 24px auto 56px auto;padding:0 16px}
.game-card{background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.08);border-radius:18px;box-shadow:0 10px 30px rgba(0,0,0,.35);overflow:hidden}
.banner{position:relative;min-height: 200px;display:flex;align-items:end;justify-content:center;background: radial-gradient(600px 240px at 60% -30%, rgba(142,202,230,.35), transparent 70%),radial-gradient(400px 200px at 20% -40%, rgba(33,158,188,.25), transparent 70%), url('assets/card.png');background-size:cover;background-position:center;border-bottom:1px solid rgba(255,255,255,.08)}
.banner img{height: 220px;transform: translateY(12px);filter: drop-shadow(0 18px 30px rgba(0,0,0,.45))}
.panel{padding:18px}
.story{background: rgba(0,0,0,.25);border:1px solid rgba(255,255,255,.06);padding:14px 16px;border-radius:14px;font-size:15px;line-height:1.5}
.controls{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}
button{cursor:pointer;border:1px solid rgba(255,255,255,.1);background: rgba(255,255,255,.04);padding: 12px 16px;color:var(--text);border-radius:12px;font-size:16px;transition: transform .06s ease, background .2s ease, border-color .2s ease}
button:hover{ background: rgba(255,255,255,.08); transform: translateY(-1px)}
button:disabled{opacity:.6; cursor:not-allowed; transform:none}
button.primary{ background: linear-gradient(180deg, var(--accent), #58a9c7); color:#041d29; border-color:#58a9c7; font-weight:700}
button.secondary{ border-color:rgba(255,255,255,.2)}

.hud{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:10px 0 8px 0;font-size:14px;color:var(--muted)}
.progress{width:100%;height:10px;background: rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:999px;overflow:hidden}
.progress > div{height:100%;width:0;background: linear-gradient(90deg, var(--accent), var(--accent-2));transition: width .25s ease}

.question{font-size: clamp(18px, 2.6vw, 24px);margin:10px 0 6px 0}
.display-box{font-size: clamp(20px, 3vw, 28px);text-align:center;padding:14px 16px;border:1px dashed rgba(255,255,255,.25);border-radius:12px;background:rgba(255,255,255,.03);}
.choices{display:grid;grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));gap:12px;margin-top:10px}
.choice{text-align:left;font-size:18px;padding:14px 16px;background: rgba(255,255,255,.03)}
.choice.correct{ outline: 3px solid var(--ok); background: rgba(6,214,160,.1)}
.choice.wrong{ outline: 3px solid var(--danger); background: rgba(239,71,111,.08)}

.feedback{margin-top:10px;font-size:15px;color:var(--muted)}
.footer{display:flex;align-items:center;justify-content:space-between;margin-top:12px}
.results{text-align:center;padding:16px}
.results h2{margin:6px 0 4px 0}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;font-weight:700;background:linear-gradient(90deg, var(--accent-2), var(--accent));color:#041d29}
.small{font-size: 13px; color: var(--muted)}
.hide{display:none !important}