:root{
  --bg1:#0b1026;
  --bg2:#111a3a;
  --card:#0f1733cc;
  --stroke:#ffffff1a;
  --text:#f5f7ff;
  --muted:#c7cdfa;

  --accent:#ffcc00;
  --accent2:#7c5cff;
  --good:#2ee59d;
  --bad:#ff4d6d;

  --radius:22px;
  --shadow: 0 18px 60px rgba(0,0,0,.35);
  --tap: 54px;
  --maxw: 980px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(1200px 800px at 20% 10%, #2a2c6b 0%, transparent 55%),
    radial-gradient(900px 700px at 80% 30%, #6b4d1d 0%, transparent 60%),
    linear-gradient(180deg, var(--bg1), var(--bg2));
  overflow-x:hidden;
}

.bg{position:fixed; inset:0; z-index:-2; overflow:hidden}
.blob{
  position:absolute;
  width:520px; height:520px;
  filter: blur(50px);
  opacity:.42;
  border-radius: 50%;
  animation: floaty 11s ease-in-out infinite;
}
.b1{left:-140px; top:-170px; background: #7c5cff;}
.b2{right:-170px; top:80px; background: #ffcc00; animation-duration: 14s;}
.b3{left:35%; bottom:-230px; background: #2ee59d; animation-duration: 17s;}

@keyframes floaty{
  0%,100%{transform: translate(0,0) scale(1)}
  50%{transform: translate(32px, 24px) scale(1.06)}
}

.app{
  width:min(var(--maxw), calc(100% - 28px));
  margin: 18px auto 24px;
  display:flex;
  flex-direction:column;
  gap:14px;
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding: 8px 6px;
}

.brand{display:flex; align-items:center; gap:12px; min-width: 240px;}
.logo{
  width:46px; height:46px;
  border-radius:16px;
  display:grid;
  place-items:center;
  background: linear-gradient(135deg, var(--accent), #ffffff);
  box-shadow: var(--shadow);
  font-size: 18px;
  font-weight: 1000;
  color:#0b1026;
}
.title{font-weight: 1000; letter-spacing:.2px}
.subtitle{color:var(--muted); font-size: 13px}

.hud{display:flex; gap:10px; flex-wrap:wrap; justify-content:flex-end;}
.pill{
  display:flex; gap:10px; align-items:center;
  padding:10px 12px;
  border:1px solid var(--stroke);
  background: #0b1330b3;
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(0,0,0,.22);
}
.pill-label{color:var(--muted); font-size: 12px}
.pill-value{font-weight:900; font-variant-numeric: tabular-nums}

.card{
  border:1px solid var(--stroke);
  background: var(--card);
  backdrop-filter: blur(10px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.screen.hidden{display:none}

h1{margin: 4px 0 8px; font-size: clamp(26px, 4vw, 40px); letter-spacing: -0.5px;}
h2{margin: 18px 0 10px; font-size: 18px;}

.lead{
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.35;
}

.cta-row{display:flex; gap:12px; flex-wrap:wrap; align-items:center; margin: 12px 0 6px;}

.btn{
  min-height: var(--tap);
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid var(--stroke);
  background: #0b1330;
  color: var(--text);
  font-weight: 900;
  letter-spacing: .2px;
  cursor: pointer;
  transition: transform .06s ease, filter .2s ease, background .2s ease, border-color .2s ease;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.btn:active{transform: translateY(1px) scale(.99)}
.btn:focus{outline: 3px solid #ffffff33; outline-offset: 2px}

.btn-primary{
  border-color: #ffffff2a;
  background: linear-gradient(135deg, var(--accent), #ffffff);
  color:#0b1026;
}
.btn-ghost{background: #0b133080}

.podium{margin-top: 12px; padding-top: 4px;}
.leaderboard{margin: 0; padding-left: 20px; color: var(--muted); font-variant-numeric: tabular-nums;}
.leaderboard li{padding: 6px 0;}
.leaderboard strong{color:var(--text)}

.prompt-wrap{
  display:flex;
  flex-direction:column;
  gap:8px;
  align-items:center;
  text-align:center;
  padding: 10px 0 12px;
}
.prompt-label{color: var(--muted); font-weight: 800;}
.prompt-emoji{
  font-size: clamp(72px, 12vw, 110px);
  line-height: 1;
  padding: 12px 18px;
  border-radius: 24px;
  border: 1px solid var(--stroke);
  background: #0b133080;
  box-shadow: 0 18px 50px rgba(0,0,0,.25);
}
.prompt-hint{color: var(--muted); font-size: 13px;}

.answers{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 14px;
}

.answer{
  min-height: 76px;
  font-size: clamp(16px, 3.2vw, 24px);
  font-weight: 1000;
  border-radius: 18px;
  background: #0b1330;
  border:1px solid var(--stroke);
  box-shadow: 0 10px 28px rgba(0,0,0,.22);
  padding: 10px 12px;
}

.answer.correct{
  background: linear-gradient(135deg, var(--good), #baffd7);
  color: #052016;
  border-color: #ffffff55;
}
.answer.wrong{
  background: linear-gradient(135deg, var(--bad), #ffb3c0);
  color: #2a0010;
  border-color: #ffffff55;
}
.answer.disabled{
  opacity:.85;
  pointer-events:none;
}

.feedback{
  min-height: 28px;
  margin-top: 12px;
  text-align:center;
  font-weight: 1000;
  letter-spacing: .2px;
}
.feedback.ok{color: #baffd7}
.feedback.no{color: #ffb3c0}

.note{
  margin-top: 10px;
  display:flex;
  gap:10px;
  align-items:center;
  justify-content:center;
  color: #c7cdfab0;
  font-size: 12px;
}
.lock{filter: drop-shadow(0 8px 16px rgba(0,0,0,.35));}

.footer{
  text-align:center;
  color: #c7cdfa99;
  font-size: 12px;
  padding: 4px 0 6px;
}

.confetti{
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index: 10;
}

@media (max-width: 720px){
  .answers{grid-template-columns: 1fr;}
  .answer{min-height: 70px}
}