@import"https://fonts.googleapis.com/css2?family=Outfit:wght@400;700&family=Press+Start+2P&display=swap";:root{--bg-color: #09090b;--card-bg: #18181b;--primary: #8b5cf6;--accent: #06b6d4;--danger: #ef4444;--success: #22c55e;--text-main: #f4f4f5}*{box-sizing:border-box;-webkit-user-select:none;user-select:none}body{margin:0;padding:0;background-color:var(--bg-color);color:var(--text-main);font-family:Outfit,sans-serif;height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden}#app{width:100%;height:100vh;display:flex;align-items:center;justify-content:center;position:relative}.grid-bg{position:absolute;width:200%;height:200%;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:40px 40px;transform:perspective(500px) rotateX(60deg) translateY(-100px) translateZ(-200px);animation:gridMove 20s linear infinite;z-index:-1;pointer-events:none}@keyframes gridMove{0%{transform:perspective(500px) rotateX(60deg) translateY(0) translateZ(-200px)}to{transform:perspective(500px) rotateX(60deg) translateY(40px) translateZ(-200px)}}.app-container{width:100%;max-width:500px;background:#18181bd9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1);border-radius:24px;padding:2rem;box-shadow:0 25px 50px -12px #00000080;text-align:center;position:relative;overflow:hidden;transition:transform .2s;z-index:10}.screen{display:none;opacity:0;transition:opacity .3s ease}.screen.active{display:block;opacity:1}.sound-hud{position:fixed;bottom:30px;right:30px;width:60px;height:60px;border-radius:50%;background:#18181be6;border:2px solid #3f3f46;color:var(--primary);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);z-index:100;box-shadow:0 4px 12px #0000004d}.sound-hud:hover{transform:scale(1.1);border-color:var(--accent);color:var(--accent);box-shadow:0 0 25px #06b6d480}.sound-hud svg{width:24px;height:24px;fill:currentColor}.sound-hud.muted{color:#52525b;border-color:#52525b;box-shadow:none}.btn-quit{position:absolute;top:20px;left:20px;background:none;border:none;color:#52525b;font-size:1.5rem;cursor:pointer;line-height:1;padding:5px;transition:color .2s;z-index:20}.btn-quit:hover{color:var(--danger)}h1{font-family:"Press Start 2P",cursive;color:var(--accent);text-shadow:0 0 10px rgba(6,182,212,.5);font-size:1.5rem;margin-bottom:2rem;line-height:1.5}.subtitle{font-size:.6em;font-family:Outfit,sans-serif;letter-spacing:0}.helper{margin-bottom:10px;color:#a1a1aa}.helper.small{font-size:.8rem;margin-top:15px;opacity:.6}.score-big{font-size:4rem;font-weight:700;color:var(--primary)}.stats-bar{display:flex;justify-content:flex-end;gap:20px;margin-bottom:1rem;font-size:.9rem;color:#a1a1aa;font-weight:700}.question-display{font-size:4rem;font-weight:700;margin:1.5rem 0;letter-spacing:2px;height:80px;display:flex;align-items:center;justify-content:center}.question-display.waiting{font-size:2rem;color:var(--accent)!important;letter-spacing:0;animation:pulse 1s infinite}.input-display{font-size:3rem;min-height:60px;border-bottom:3px solid var(--primary);width:150px;margin:0 auto 2rem;color:var(--primary);text-shadow:0 0 15px rgba(139,92,246,.4)}.timer-container{width:100%;height:8px;background:#27272a;border-radius:4px;margin-bottom:2rem;overflow:hidden}.timer-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--accent),var(--primary));transform-origin:left;transition:width .1s linear}.keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}button{border:none;outline:none;cursor:pointer;font-family:Outfit,sans-serif;touch-action:manipulation}.key{background:#27272a;color:#fff;font-size:1.5rem;padding:1rem;border-radius:12px;font-weight:700;transition:all .1s;box-shadow:0 4px #18181b}.key:active{transform:translateY(4px);box-shadow:0 0 #18181b;background:#3f3f46}.key-enter{background:var(--success);box-shadow:0 4px #15803d}.key-enter:active{background:#16a34a;box-shadow:0 0}.key-del{background:var(--danger);font-size:1rem;box-shadow:0 4px #b91c1c}.key-del:active{background:#dc2626;box-shadow:0 0}.table-select{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}.table-btn{background:#18181b;color:#52525b;padding:12px;border-radius:10px;font-weight:700;font-size:1.1rem;border:1px solid #27272a;transition:all .2s}.table-btn.selected{background:var(--primary);border-color:#a78bfa;color:#fff;box-shadow:0 0 15px #8b5cf666;transform:scale(1.05);font-weight:800}.btn-main{width:100%;padding:1rem;font-size:1.2rem;font-weight:700;background:linear-gradient(90deg,var(--primary),var(--accent));color:#fff;border-radius:12px;margin-top:10px;text-transform:uppercase;letter-spacing:1px;box-shadow:0 4px #0000004d}.btn-main:active{transform:translateY(4px);box-shadow:none}.results-list{max-height:200px;overflow-y:auto;text-align:left;font-size:.9rem;background:#27272a;padding:10px;border-radius:8px;margin-bottom:20px}.result-item{display:flex;justify-content:space-between;padding:5px 0;border-bottom:1px solid #3f3f46}.result-item.correct{color:var(--success)}.result-item.wrong{color:var(--danger)}.shake{animation:shake .5s cubic-bezier(.36,.07,.19,.97) both}@keyframes shake{10%,90%{transform:translate3d(-2px,0,0)}20%,80%{transform:translate3d(4px,0,0)}30%,50%,70%{transform:translate3d(-8px,0,0)}40%,60%{transform:translate3d(8px,0,0)}}.pulse-text{animation:pulse .2s ease-in-out}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.2)}to{transform:scale(1)}}@media (max-height: 700px){.app-container{padding:1rem}.question-display{font-size:3rem;margin:.5rem 0}h1{font-size:1.2rem;margin-bottom:1rem}}