@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;700;800&family=Outfit:wght@400;700;800&display=swap";:root{--primary: #2980B9;--secondary: #3498DB;--success: #2ECC71;--error: #E74C3C;--wrong: #FF00FF;--text-dark: #2C3E50;--white: #FFFFFF;--glass: rgba(255, 255, 255, .2)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:Outfit,Inter,sans-serif;overflow:hidden;height:100vh;width:100vw;background-color:#000}#root{height:100%;width:100%}.app-container{position:relative;height:100%;width:100%;display:flex;flex-direction:column;color:#fff}.background{position:absolute;top:0;left:0;width:100%;height:100%;background:url(/assets/background_image.jpg) no-repeat center top;background-size:cover;z-index:-2}.scrim{position:absolute;top:0;left:0;width:100%;height:100%;background:#0000004d;z-index:-1}.screen{flex:1;padding:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow-y:auto;gap:24px;text-align:center}h1{font-size:4rem;font-weight:800;margin-bottom:8px}.total-stars{font-size:1.5rem;font-weight:700;opacity:.9}.btn{background:var(--white);color:var(--primary);border:none;border-radius:16px;padding:12px 24px;font-size:1.2rem;font-weight:700;cursor:pointer;box-shadow:0 4px 8px #0003;transition:transform .2s,background .2s;height:48px;display:flex;align-items:center;justify-content:center}.btn:active{transform:scale(.95)}.btn-large{height:64px;padding:0 32px;font-size:1.4rem}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;width:100%;max-width:400px;padding:8px}.card{background:var(--white);border-radius:16px;padding:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--primary);box-shadow:0 8px 16px #0003;cursor:pointer;aspect-ratio:1}.card h2{font-size:2.5rem;margin-bottom:4px}.card .stars{display:flex;gap:2px;font-size:.8rem}.game-top-bar{display:flex;justify-content:space-between;width:100%;padding-bottom:32px}.stats-card{background:#fff3;border-radius:16px;padding:8px 16px;font-weight:700;font-size:1.1rem}.flashcard{background:var(--white);width:100%;max-width:400px;height:250px;border-radius:24px;display:flex;align-items:center;justify-content:center;color:var(--text-dark);font-size:5rem;font-weight:800;box-shadow:0 12px 24px #0000004d;transition:transform .2s}.flashcard.pop{transform:scale(1.05)}.feedback{font-size:2.5rem;font-weight:800;height:48px}.feedback.correct{color:var(--success)}.feedback.wrong{color:var(--error)}.options-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;width:100%;max-width:400px}.option-btn{background:var(--white);height:80px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;font-weight:700;color:var(--text-dark);box-shadow:0 6px 12px #0003;border:none;cursor:pointer;transition:background .3s,color .3s}.option-btn.correct{background:var(--success);color:#fff}.option-btn.wrong{background:var(--wrong);color:#fff}.option-btn.disabled{background:#f2f2f2;opacity:.8}.rewards-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;width:100%;overflow-y:auto;padding:16px}.reward-card{aspect-ratio:1;background:var(--white);border-radius:16px;overflow:hidden;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 8px 16px #0003}.reward-img{width:100%;height:100%;object-fit:cover}.reward-overlay{position:absolute;bottom:0;width:100%;background:linear-gradient(transparent,#000c);color:#fff;padding:8px;font-weight:700;font-size:.9rem}.reward-locked{display:flex;flex-direction:column;gap:8px}.lock-emoji{font-size:2.5rem}.stars-req{color:#666;font-weight:700}@media(max-width:380px){h1{font-size:3rem}.flashcard{font-size:4rem;height:180px}.card h2{font-size:2rem}}