@import"https://fonts.googleapis.com/css2?family=Fredoka:wght@300..700&family=Outfit:wght@300..900&family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap";:root{--primary: #8a2be2;--secondary: #ff3366;--accent: #00d2ff;--warning: #ffb703;--success: #0bc974;--danger: #ef4444;--bg-dark: #0f172a;--surface: rgba(30, 41, 59, .7);--glass-border: rgba(255, 255, 255, .1);--text-main: #f8fafc;--text-muted: #cbd5e1;--shadow-glow: 0 0 25px rgba(138, 43, 226, .3)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Fredoka,Outfit,sans-serif;background-color:var(--bg-dark);color:var(--text-main);min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;overflow-x:hidden;padding:2rem 0}.background-elements{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:-1;overflow:hidden;pointer-events:none}.blob{position:absolute;filter:blur(80px);opacity:.5;animation:float-blob 20s infinite alternate ease-in-out}.blob-1{top:-10%;left:-10%;width:50vw;height:50vw;background:radial-gradient(circle,var(--primary) 0%,transparent 70%)}.blob-2{bottom:-20%;right:-10%;width:60vw;height:60vw;background:radial-gradient(circle,var(--secondary) 0%,transparent 70%);animation-delay:-5s}.blob-3{top:30%;left:40%;width:40vw;height:40vw;background:radial-gradient(circle,var(--accent) 0%,transparent 70%);animation-delay:-10s}@keyframes float-blob{0%{transform:translate(0) scale(1)}33%{transform:translate(30px,-50px) scale(1.1)}66%{transform:translate(-20px,20px) scale(.9)}to{transform:translate(0) scale(1)}}.glass-card{background:var(--surface);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:2rem;padding:3rem;box-shadow:0 20px 50px #00000080;width:90%;max-width:600px;text-align:center;position:relative;z-index:10;perspective:1200px}.screen{display:none}.screen.active{display:block;animation:slideUp .5s cubic-bezier(.175,.885,.32,1.275)}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.logo{font-size:4rem;margin-bottom:1rem;filter:drop-shadow(0 0 10px rgba(255,255,255,.3));animation:pulse 2s infinite ease-in-out}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.title{font-size:3rem;font-weight:900;margin-bottom:1rem;background:linear-gradient(135deg,var(--accent),var(--primary),var(--secondary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-1px}.input-group{margin:2.5rem 0}input[type=text]{width:100%;background:#ffffff0d;border:2px solid var(--glass-border);padding:1.2rem 1.5rem;font-size:1.2rem;font-family:inherit;color:#fff;border-radius:1rem;text-align:center;outline:none;transition:all .3s}input[type=text]:focus{border-color:var(--accent);background:#ffffff1a;box-shadow:0 0 20px #00d2ff33}.btn{display:flex;align-items:center;justify-content:center;width:100%;padding:1.2rem;font-size:1.25rem;font-weight:800;border-radius:1rem;border:none;cursor:pointer;transition:all .3s cubic-bezier(.175,.885,.32,1.275);font-family:inherit;text-decoration:none}.btn:hover{transform:translateY(-5px) scale(1.02)}#start-btn,#restart-btn{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;box-shadow:0 10px 20px #8a2be24d}#start-btn:hover{box-shadow:0 15px 30px #8a2be280}.btn-secondary{background:#ffffff0d;color:var(--text-muted);border:1px solid var(--glass-border)}.btn-secondary:hover{background:#ffffff1a;color:#fff}.button-group{display:flex;flex-direction:column;gap:1rem}.stats{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.stat-item{background:#ffffff0d;padding:.6rem 1.2rem;border-radius:.8rem;font-weight:700;font-size:.9rem;border:1px solid var(--glass-border)}.stat-item span{color:var(--accent)}.exit-link{text-decoration:none;color:var(--text-muted);font-size:1.2rem;font-weight:800;width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:#ffffff0d;border-radius:50%;transition:all .2s}.exit-link:hover{background:var(--danger);color:#fff;transform:rotate(90deg)}.timer-container{height:10px;background:#ffffff0d;border-radius:5px;margin-bottom:2.5rem;overflow:hidden;border:1px solid var(--glass-border)}.timer-bar{height:100%;background:linear-gradient(to right,var(--success),var(--warning),var(--danger));width:100%}#question-area{transition:all .4s cubic-bezier(.4,0,.2,1);transform-style:preserve-3d}#question-area.flip-out{transform:rotateY(90deg);opacity:0}#question-area.flip-in{transform:rotateY(-90deg);opacity:0}.question-text{font-size:2rem;font-weight:800;margin-bottom:2.5rem;line-height:1.2}.options{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.option-btn{background:#ffffff08;border:1px solid var(--glass-border);padding:1.5rem 1rem;border-radius:1.2rem;color:#fff;font-family:inherit;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .2s}.option-btn:hover{background:#ffffff14;border-color:var(--accent);transform:translateY(-3px);box-shadow:0 5px 15px #00d2ff33}.option-btn.correct{background:#0bc97433;border-color:var(--success);color:var(--success)}.option-btn.wrong{background:#ef444433;border-color:var(--danger);color:var(--danger)}.leaderboard-table{width:100%;margin:2rem 0;border-radius:1rem;overflow:hidden;border-collapse:collapse}.leaderboard-table th{padding:1rem;background:#ffffff0d;text-align:left;font-size:.8rem;text-transform:uppercase;color:var(--text-muted)}.leaderboard-table td{padding:1rem;border-bottom:1px solid var(--glass-border)}.rank{display:inline-block;width:28px;height:28px;line-height:28px;text-align:center;border-radius:50%;font-weight:900;font-size:.8rem}.rank-1{background:var(--warning);color:#000}.rank-2{background:#e2e8f0;color:#000}.rank-3{background:#cd7f32;color:#fff}@media (max-width: 480px){.options{grid-template-columns:1fr}.glass-card{padding:2rem}.title{font-size:2.2rem}}