:root{
  --bg:#0b1020; --text:#e9ecff; --muted:#b9c0ff;
  --accent:#7aa2ff; --good:#4ade80; --bad:#fb7185; --warn:#fbbf24;
  --border:rgba(255,255,255,.12);
  --shadow: 0 20px 60px rgba(0,0,0,.35);
  --radius: 18px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--sans);
  background: radial-gradient(1200px 800px at 10% 10%, rgba(122,162,255,.22), transparent 55%),
              radial-gradient(900px 650px at 90% 20%, rgba(74,222,128,.14), transparent 55%),
              radial-gradient(900px 650px at 60% 110%, rgba(251,113,133,.12), transparent 55%),
              var(--bg);
  color:var(--text);
}
a{color:inherit;text-decoration:none}

.wrap{max-width:1200px;margin:0 auto;padding:18px}
.topbar{
  position:sticky;top:0;z-index:20;
  background:rgba(11,16,32,.72);
  backdrop-filter: blur(12px);
  border-bottom:1px solid var(--border);
}
.brand{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.badge{
  font-family:var(--mono);
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  color:var(--muted);
}
h1{margin:10px 0 6px 0;font-size:clamp(22px,4vw,34px);line-height:1.15}
h2{margin:0 0 10px 0}
.sub{color:var(--muted);max-width:90ch;line-height:1.55;margin:0 0 12px 0}

.panel{
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding:16px;
}
.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:12px 0 0 0}
.btn{
  appearance:none; border:1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: var(--text);
  padding:10px 12px;
  border-radius: 12px;
  cursor:pointer;
  transition: transform .08s ease, background .12s ease;
  font-weight:700;
}
.btn:hover{background: rgba(255,255,255,.10)}
.btn:active{transform: scale(.98)}
.btn.primary{border-color: rgba(122,162,255,.6); background: rgba(122,162,255,.14)}
.btn.good{border-color: rgba(74,222,128,.6); background: rgba(74,222,128,.12)}
.btn.bad{border-color: rgba(251,113,133,.6); background: rgba(251,113,133,.12)}

.hr{height:1px;background:var(--border);margin:14px 0}
.grid{display:grid;grid-template-columns: repeat(12, 1fr);gap:12px}
.tile{
  grid-column: span 12;
  background: rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius: 14px;
  padding:14px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.tile .left{display:flex;flex-direction:column;gap:6px}
.tile .title{font-weight:800}
.tile .meta{color:var(--muted);font-size:12px}
.pill{
  font-family:var(--mono);
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  color:var(--muted);
}
.pill.good{border-color: rgba(74,222,128,.6); color: rgba(210,255,226,.95)}
.pill.warn{border-color: rgba(251,191,36,.65); color: rgba(255,238,200,.95)}
.pill.bad{border-color: rgba(251,113,133,.65); color: rgba(255,220,228,.95)}

.kpis{display:flex;gap:12px;flex-wrap:wrap}
.kpi{
  flex: 1 1 220px;
  background: rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius: 14px;
  padding:14px;
}
.kpi .label{color:var(--muted);font-size:12px}
.kpi .value{font-size:22px;margin-top:6px}

.question{
  background: rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius: 14px;
  padding:14px;
  margin:12px 0;
}
.choice{
  display:flex;gap:10px;align-items:flex-start;
  padding:10px;border-radius:12px;border:1px solid var(--border);
  margin:8px 0;background: rgba(0,0,0,.10)
}
.choice input{margin-top:4px}
.explain{
  margin-top:10px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--border);
  background: rgba(0,0,0,.14);
}
.explain.good{border-color: rgba(74,222,128,.55)}
.explain.bad{border-color: rgba(251,113,133,.55)}

.timer{
  font-family:var(--mono);
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  display:inline-block;
}

.footer{padding:26px 0;color:var(--muted);font-size:12px}

@media (min-width: 820px){ .tile{grid-column: span 6} }
@media (min-width: 1060px){ .tile{grid-column: span 4} }

/* Deterrents (best-effort) */
.no-select, .no-select * { user-select:none !important; -webkit-user-select:none !important; }
.antiCheatBanner{
  position:sticky;top:0;z-index:30;
  font-size:12px;
  padding:8px 12px;
  background: rgba(251,191,36,.12);
  border-bottom:1px solid rgba(251,191,36,.35);
  color: rgba(255,238,200,.95);
  backdrop-filter: blur(10px);
}
.blurAll #quizMount, .blurAll #finalMount, .blurAll .panel {
  filter: blur(6px);
  pointer-events:none;
}
.watermark{
  position:fixed;inset:0;z-index:9999;
  pointer-events:none;
  opacity:.10;
  font-family:var(--mono);
  font-size:18px;
  display:flex;
  align-items:center;
  justify-content:center;
  transform: rotate(-18deg);
  white-space:pre-wrap;
  text-align:center;
}