:root{--bg:#0f1724;--card:#111827;--accent:#06b6d4;--muted:#9ca3af;--text:#e6eef6}
*{box-sizing:border-box}html,body{height:100%;margin:0;background:linear-gradient(180deg,#071021 0%, #0b1220 100%);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial}
.container{max-width:720px;margin:18px auto;padding:16px}h1{margin:8px 0 12px;font-size:1.6rem;text-align:center}
.scoreboard{display:flex;justify-content:space-between;gap:12px;margin-bottom:12px;color:var(--muted);font-weight:600;font-size:0.95rem}
.card{background:rgba(255,255,255,0.03);border-radius:12px;padding:12px;box-shadow:0 6px 18px rgba(2,6,23,0.6)}
.image-wrap{display:flex;justify-content:center;align-items:center;height:44vw;max-height:380px;overflow:hidden;border-radius:10px;background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01))}
.image-wrap img{max-width:100%;max-height:100%;object-fit:cover;display:block}
.options{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:12px 0}
.btn{background:var(--accent);color:#042026;border:none;padding:10px 12px;font-weight:700;border-radius:8px;font-size:1rem;width:100%}
.btn.ghost{background:transparent;color:var(--muted);border:1px solid rgba(255,255,255,0.04)}
.option-btn{background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.03);padding:9px;border-radius:8px;font-weight:700;color:var(--text);text-align:center}
.option-btn.correct{background:rgba(6,182,212,0.15);border-color:rgba(6,182,212,0.25);color:var(--accent)}
.option-btn.wrong{background:rgba(255,80,80,0.12);border-color:rgba(255,80,80,0.25);color:#ffb3b3}
.controls{display:flex;gap:8px;margin-top:12px}.note{color:var(--muted);font-size:0.85rem;margin-top:10px;text-align:center}
@media (max-width:420px){.options{grid-template-columns:1fr}.image-wrap{height:60vw}}