@import"https://fonts.googleapis.com/css2?family=Share+Tech+Mono&display=swap";body{margin:0;padding:0;background-color:#090d16;color:#e2e8f0;font-family:Share Tech Mono,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;overflow:hidden;-webkit-user-select:none;user-select:none}.game-container{display:flex;flex-direction:column;width:100vw;height:100vh;background:radial-gradient(circle at center,#151f32,#090d16);position:relative;overflow:hidden;transition:transform .1s ease}.shake{animation:screen-shake-anim .4s ease-in-out}@keyframes screen-shake-anim{0%,to{transform:translate(0)}10%,30%,50%,70%,90%{transform:translate(-4px,4px)}20%,40%,60%,80%{transform:translate(4px,-4px)}}.game-header{display:flex;justify-content:space-between;align-items:center;padding:12px 24px;background:#0f172acc;border-bottom:2px solid #10b981;box-shadow:0 4px 20px #10b98126;z-index:10}.header-left{display:flex;align-items:center;gap:16px}.logo-text{font-size:1.4rem;font-weight:700;color:#10b981;letter-spacing:2px;text-shadow:0 0 10px rgba(16,185,129,.5)}.mute-btn{background:#ffffff0d;border:1px solid rgba(16,185,129,.3);color:#10b981;padding:6px;border-radius:6px;cursor:pointer;transition:all .2s}.mute-btn:hover{background:#10b98133;transform:scale(1.05)}.header-right{display:flex;gap:12px}.stat-badge{display:flex;align-items:center;gap:8px;background:#1e293bcc;border:1px solid rgba(255,255,255,.1);padding:6px 14px;border-radius:8px;font-size:1rem}.score-badge{border-color:#eab308;color:#eab308;text-shadow:0 0 8px rgba(234,179,8,.3)}.bounce-active{animation:bounce .4s ease}@keyframes bounce{0%,to{transform:scale(1)}50%{transform:scale(1.2)}}.icon-gold{color:#fbbf24}.icon-yellow{color:#eab308}.icon-green{color:#10b981}.game-viewport{flex:1;position:relative;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:16px}.screen-overlay{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;justify-content:center;align-items:center;background:#090d16d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:5}.start-card{background:#0f172af2;border:2px solid #10b981;box-shadow:0 0 30px #10b9814d;border-radius:16px;padding:40px;width:90%;max-width:500px;text-align:center;display:flex;flex-direction:column;align-items:center}.end-card{border-color:#ef4444;box-shadow:0 0 30px #ef44444d}.tank-logo-wrapper{margin-bottom:16px}.animated-logo-tank{filter:drop-shadow(0 0 10px rgba(16,185,129,.6));animation:logo-float 3s ease-in-out infinite}@keyframes logo-float{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-8px) rotate(-2deg)}}.game-title{font-size:2.5rem;margin:0;color:#fff;letter-spacing:4px;text-shadow:0 2px 10px rgba(255,255,255,.2)}.game-subtitle{color:#94a3b8;font-size:1.1rem;margin-top:8px;margin-bottom:24px}.game-rules{background:#1e293b80;border-radius:8px;padding:16px;width:100%;text-align:left;margin-bottom:24px;font-size:.95rem;line-height:1.6;color:#cbd5e1}.game-rules p{margin:8px 0}kbd{background:#475569;border-radius:4px;padding:2px 6px;font-size:.8rem;box-shadow:0 2px #1e293b}.high-score-display{display:flex;align-items:center;gap:10px;font-size:1.1rem;margin-bottom:24px;color:#fbbf24}.btn-primary{background:linear-gradient(135deg,#10b981,#059669);color:#fff;border:none;padding:14px 36px;font-size:1.2rem;font-weight:700;border-radius:8px;cursor:pointer;box-shadow:0 4px 15px #10b98166;transition:all .2s;display:flex;align-items:center;justify-content:center}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #10b98199}.pulse{animation:pulse-anim 2s infinite}@keyframes pulse-anim{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.battle-arena{width:100%;max-width:800px;display:flex;flex-direction:column;gap:16px}.battle-hud{display:flex;justify-content:space-between;align-items:center;background:#0f172a99;border:1px solid rgba(255,255,255,.1);padding:10px 16px;border-radius:8px}.hp-indicator{display:flex;align-items:center;gap:10px}.hud-label{font-size:.9rem;color:#94a3b8}.hearts-row{display:flex;gap:6px}.heart-icon{transition:transform .3s ease}.heart-icon.active{color:#ef4444;filter:drop-shadow(0 0 5px rgba(239,68,68,.6))}.heart-icon.broken{color:#475569;transform:scale(.8)}.level-indicator{display:flex;align-items:center;gap:12px}.difficulty-tag{font-size:.8rem;padding:2px 8px;border-radius:4px;font-weight:700}.difficulty-tag.easy{background:#0ea5e9;color:#fff}.difficulty-tag.medium{background:#f59e0b;color:#fff}.difficulty-tag.hard{background:#ef4444;color:#fff}.battlefield{height:180px;background:linear-gradient(180deg,#0f172acc,#1e293b99);border:1px solid rgba(16,185,129,.3);border-radius:12px;position:relative;display:flex;justify-content:space-between;align-items:flex-end;padding:20px 40px;overflow:hidden}.tank-wrapper{display:flex;flex-direction:column;align-items:center;position:relative;width:120px;transition:all .3s ease}.tank-name{font-size:.75rem;color:#94a3b8;margin-bottom:4px;white-space:nowrap}.tank-svg{width:100%;height:auto}.player-tank{transform:scaleX(1)}.enemy-tank,.enemy-tank .tank-name{transform:scaleX(-1)}.enemy-tank.medium{transform:scaleX(-1) scale(1.15)}.enemy-tank.hard{transform:scaleX(-1) scale(1.35)}.tank-wrapper.shoot{animation:tank-recoil .4s ease-out}.tank-wrapper.hit{animation:tank-damage .5s ease-in-out}@keyframes tank-recoil{0%{transform:scaleX(1) translate(0)}15%{transform:scaleX(1) translate(-12px)}to{transform:scaleX(1) translate(0)}}.enemy-tank.shoot{animation:enemy-tank-recoil .4s ease-out}@keyframes enemy-tank-recoil{0%{transform:scaleX(-1) translate(0)}15%{transform:scaleX(-1) translate(-12px)}to{transform:scaleX(-1) translate(0)}}@keyframes tank-damage{0%,to{transform:scaleX(1) rotate(0);filter:brightness(1)}20%,60%{transform:scaleX(1) rotate(-8deg) translateY(-5px);filter:brightness(2) sepia(1) hue-rotate(-50deg)}40%,80%{transform:scaleX(1) rotate(8deg) translateY(-2px);filter:brightness(2) sepia(1) hue-rotate(-50deg)}}.muzzle-flash{position:absolute;width:25px;height:25px;background:radial-gradient(circle,#fde047,#eab30800 70%);border-radius:50%;top:40%;animation:flash-anim .2s ease-out forwards}.player-flash{right:-15px}.enemy-flash{left:-15px}@keyframes flash-anim{0%{transform:scale(.5);opacity:1}to{transform:scale(2);opacity:0}}.shell{position:absolute;width:10px;height:10px;background:#f59e0b;border-radius:50%;box-shadow:0 0 8px #f59e0b,0 0 15px #ef4444}.quiz-card{background:#0f172ad9;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:24px;box-shadow:0 10px 30px #0000004d}.question-header{display:flex;align-items:center;gap:8px;font-size:.9rem;color:#10b981;margin-bottom:8px}.question-text{font-size:1.25rem;line-height:1.5;margin:0 0 20px;color:#f8fafc}.options-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media (max-width: 600px){.options-grid{grid-template-columns:1fr}}.option-btn{display:flex;align-items:center;background:#1e293b99;border:1px solid rgba(255,255,255,.15);border-radius:8px;padding:14px 16px;cursor:pointer;transition:all .2s;text-align:left}.option-btn:hover:not(:disabled){background:#10b98126;border-color:#10b981;transform:translateY(-1px)}.option-key{display:flex;align-items:center;justify-content:center;width:24px;height:24px;background:#ffffff1a;border-radius:4px;font-size:.85rem;font-weight:700;color:#94a3b8;margin-right:12px;flex-shrink:0}.option-val{font-size:.95rem;color:#e2e8f0}.correct-highlight{background:#10b98133!important;border-color:#10b981!important;box-shadow:0 0 10px #10b98133}.correct-highlight .option-key{background:#10b981;color:#fff}.wrong-highlight{background:#ef444433!important;border-color:#ef4444!important;box-shadow:0 0 10px #ef444433}.wrong-highlight .option-key{background:#ef4444;color:#fff}.option-btn.disabled{opacity:.5;cursor:not-allowed}.feedback-panel{margin-top:20px;padding:16px;border-radius:8px;border-left:4px solid;display:flex;flex-direction:column;gap:8px}.feedback-panel.correct{background:#10b9811a;border-color:#10b981}.feedback-panel.wrong{background:#ef44441a;border-color:#ef4444}.feedback-title{font-weight:700;font-size:1.1rem}.feedback-fact{font-size:.9rem;line-height:1.5;color:#cbd5e1}.btn-next{align-self:flex-end;background:#1e293b;border:1px solid rgba(255,255,255,.2);color:#fff;padding:8px 20px;border-radius:6px;cursor:pointer;font-weight:700;transition:all .2s}.btn-next:hover{background:#fff;color:#0f172a}.end-icon-wrapper{margin-bottom:20px}.victory-badge{font-size:4rem;animation:victory-bounce 1s ease infinite alternate}.defeat-badge{font-size:4rem;filter:grayscale(.5)}@keyframes victory-bounce{0%{transform:translateY(0) scale(1)}to{transform:translateY(-10px) scale(1.1)}}.score-summary{display:flex;gap:24px;margin-bottom:24px;background:#1e293b66;padding:16px 32px;border-radius:12px;border:1px solid rgba(255,255,255,.1)}.score-item{display:flex;flex-direction:column;align-items:center;gap:6px}.score-item span:first-child{font-size:.85rem;color:#94a3b8}.score-num{font-size:2rem;font-weight:700}.score-num.gold{color:#fbbf24}.new-record-badge{background:#eab30833;border:1px dashed #eab308;color:#fef08a;padding:10px 20px;border-radius:8px;font-size:.95rem;margin-bottom:24px;animation:pulse-anim 1.5s infinite}