*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{width:100%;height:100%;overflow:hidden;background:#1a1a2e;font-family:Poppins,sans-serif;touch-action:none;-webkit-user-select:none;user-select:none}#game-container{width:100%;height:100%;position:relative}#game-container canvas{display:block;width:100%;height:100%}.screen{position:absolute;top:0;left:0;width:100%;height:100%;display:none;z-index:10}.screen.active{display:flex}#menu-screen{flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(180deg,#1a1a2e99,#1a1a2e33)}.game-title{font-family:Roboto,sans-serif;font-weight:700;font-size:clamp(3rem,10vw,6rem);color:#ffc107;text-shadow:0 4px 0 #e6a800,0 8px 0 #cc9600,0 12px 20px rgba(0,0,0,.5);letter-spacing:2px;animation:titleBounce 2s ease-in-out infinite}.game-subtitle{font-family:Poppins,sans-serif;font-size:clamp(1rem,3vw,1.5rem);color:#fff;margin-top:.5rem;opacity:.8;font-weight:600}@keyframes 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.2rem;color:#fffc}#auth-modal{display:none;position:fixed;top:0;left:0;right:0;bottom:0;z-index:50;align-items:center;justify-content:center;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}#auth-modal.active{display:flex}.auth-modal-content{background:#1a1a2efa;border-radius:20px;padding:2rem;max-width:340px;text-align:center;border:1px solid rgba(255,255,255,.1);box-shadow:0 12px 40px #00000080}.auth-modal-title{font-family:Roboto,sans-serif;font-weight:700;font-size:clamp(1.3rem,4vw,1.6rem);color:#ffc107;margin-bottom:.8rem}.auth-modal-text{font-family:Roboto,sans-serif;color:#ffffffd9;font-size:1rem;margin-bottom:1.5rem;line-height:1.5}.auth-modal-btn{font-family:Roboto,sans-serif;font-weight:700;font-size:1.1rem;padding:.9rem 2rem;border-radius:50px;background:linear-gradient(135deg,#ffc107,#ff9800);border:none;color:#fff;cursor:pointer;text-decoration:none;display:inline-block;box-shadow:0 4px #e6a800;transition:transform .15s,box-shadow 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button{height:2.4rem;min-width:2.4rem;padding:0 .5rem;border-radius:10px;border:1px solid rgba(255,255,255,.1);background:#00000073;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;font-family:Poppins,sans-serif;font-size:.85rem;font-weight:600;cursor:pointer;pointer-events:auto;transition:transform .15s,background .15s}.lang-select button:hover{background:#0009;transform:scale(1.05)}.lang-select button.active{background:#ffc1074d;color:#ffc107;border-color:#ffc10780}.mute-btn.mute-btn-menu,.mute-btn.mute-btn-pause{position:static}.hud-item{background:#00000073;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:16px;padding:.5rem 1rem;color:#fff;font-weight:700;font-size:clamp(.9rem,2.5vw,1.2rem);display:flex;align-items:center;gap:.5rem;border:1px solid rgba(255,255,255,.1);transition:transform .2s}.hud-item.pulse{transform:scale(1.15)}.hud-icon{font-size:1.3em}.hud-score,.hud-timer{height:2.8rem;box-sizing:border-box;padding:0 1rem;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;line-height:1;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.1)}.hud-score{font-family:Roboto,sans-serif;font-weight:700;font-size:clamp(1.2rem,3vw,1.8rem);color:#ffc107;text-shadow:0 2px 4px rgba(0,0,0,.5);background:#00000073}.hud-timer{font-family:Roboto,sans-serif;font-weight:700;font-size:clamp(1.1rem,2.8vw,1.6rem);color:#4ecdc4;text-shadow:0 2px 4px rgba(0,0,0,.5);background:#00000073}.hud-booster{display:none;align-items:center;gap:.5rem;background:#00000080;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:12px;padding:.4rem .8rem;border:2px solid 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1.5rem;border-radius:12px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}#tutorial-hint.visible{opacity:1}#gameover-screen{flex-direction:column;align-items:center;justify-content:flex-start;background:#1a1a2ed9;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);overflow-y:auto;padding:1rem}.gameover-title{font-family:Roboto,sans-serif;font-weight:700;font-size:clamp(2rem,6vw,3rem);color:#ff6b6b;text-shadow:0 4px 0 #cc4444,0 8px 16px rgba(0,0,0,.5);margin-bottom:.5rem}.gameover-score-block{display:flex;align-items:center;justify-content:center;gap:.5rem;margin-bottom:1rem;padding:.6rem 1.2rem;background:#ffc10726;border-radius:16px;border:1px solid rgba(255,193,7,.35)}.gameover-score-icon{font-size:1.5rem}.gameover-score-value{font-family:Roboto,sans-serif;font-weight:700;font-size:clamp(1.4rem,4vw,2rem);color:#ffc107;text-shadow:0 2px 4px rgba(0,0,0,.4)}#new-record{display:none;font-family:Roboto,sans-serif;font-weight:700;font-size:clamp(1rem,2.5vw,1.4rem);color:gold;text-shadow:0 0 20px rgba(255,215,0,.5);animation:recordPulse .8s ease-in-out infinite alternate;margin-bottom:.5rem}@keyframes recordPulse{0%{transform:scale(1);opacity:.8}to{transform:scale(1.1);opacity:1}}#restart-btn{font-family:Roboto,sans-serif;font-weight:700;font-size:clamp(1.2rem,3.5vw,1.6rem);color:#fff;background:linear-gradient(135deg,#ffc107,#ff9800);border:none;border-radius:50px;padding:1rem 3rem;cursor:pointer;box-shadow:0 6px #e6a800,0 8px 20px #0000004d;transition:transform .15s,box-shadow .15s;pointer-events:all}#restart-btn:active{transform:translateY(3px);box-shadow:0 3px #e6a800,0 4px 10px #0000004d}#loading{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;background:#1a1a2e;z-index:100;transition:opacity .5s}#loading.hidden{opacity:0;pointer-events:none}.loader{width:60px;height:60px;border:5px solid rgba(255,193,7,.2);border-top-color:#ffc107;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#tutorial-overlay{display:none;position:absolute;top:0;left:0;right:0;bottom:0;z-index:18;pointer-events:none}#tutorial-overlay.active{display:flex;flex-direction:column;align-items:center;justify-content:center}.tutorial-dim{position:absolute;top:0;left:0;right:0;bottom:0;background:#0000008c}.tutorial-content{position:relative;z-index:1;text-align:center;color:#fff}.tutorial-arrow{position:absolute;font-size:3rem;animation:tutArrowBounce .8s ease-in-out infinite;z-index:2;pointer-events:none;transform:translate(-50%);color:#fff}.tutorial-arrow.tutorial-arrow-passenger{color:#0f8;text-shadow:0 2px 8px rgba(0,255,136,.6)}@keyframes tutArrowBounce{0%,to{transform:translate(-50%) translateY(0)}50%{transform:translate(-50%) translateY(12px)}}.tutorial-text{font-family:Roboto,sans-serif;font-size:clamp(1.2rem,4vw,1.8rem);font-weight:600;color:#ffc107;text-shadow:0 2px 8px rgba(0,0,0,.5);margin-bottom:.8rem}.tutorial-direction{display:none}.tutorial-dir-arrow{font-size:2.5rem;animation:tutDirPulse 1s ease-in-out infinite}@keyframes tutDirPulse{0%,to{transform:scale(1);opacity:.7}50%{transform:scale(1.3);opacity:1}}#combo-popup{display:none;position:absolute;top:30%;left:50%;transform:translate(-50%);text-align:center;z-index:20;pointer-events:none}.combo-formula{font-family:Roboto,sans-serif;font-weight:700;font-size:clamp(1.5rem,5vw,2.5rem);color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.6)}.combo-n{color:#4ecdc4}.combo-score-val{color:gold;font-size:1.2em}.combo-count{font-family:Roboto,sans-serif;font-weight:700;font-size:clamp(1.2rem,4vw,2rem);color:#0f8;text-shadow:0 2px 8px rgba(0,255,136,.5)}.combo-score{font-family:Roboto,sans-serif;font-weight:700;font-size:clamp(2rem,6vw,3.5rem);color:gold;text-shadow:0 4px 12px rgba(255,215,0,.5)}.combo-anim{animation:comboIn .4s ease-out forwards}@keyframes comboIn{0%{transform:translate(-50%) scale(.3);opacity:0}60%{transform:translate(-50%) scale(1.15);opacity:1}to{transform:translate(-50%) scale(1);opacity:1}}#pause-screen{display:none;position:absolute;top:0;left:0;right:0;bottom:0;z-index:25;flex-direction:column;align-items:center;justify-content:center;background:#0a0a14bf;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}#pause-screen.active{display:flex}.pause-title{font-family:Roboto,sans-serif;font-weight:700;font-size:clamp(2.5rem,8vw,4rem);color:#ffc107;text-shadow:0 4px 0 #e6a800,0 8px 16px rgba(0,0,0,.5);margin-bottom:1.5rem}.pause-hint{font-family:Roboto,sans-serif;font-size:clamp(.9rem,2.5vw,1.2rem);color:#ffffffb3;animation:pulse 1.5s ease-in-out infinite;text-align:center;padding:0 1rem;overflow:visible;white-space:nowrap}#dropoff-overlay{display:none;position:absolute;top:0;left:0;right:0;bottom:0;z-index:19;pointer-events:none;flex-direction:column;align-items:center;justify-content:center}#dropoff-overlay.active{display:flex}.dropoff-counter{font-family:Roboto,sans-serif;font-weight:700;font-size:clamp(1.8rem,5vw,2.8rem);color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.6);text-align:center;transition:transform .15s}.dropoff-counter .do-n{color:#4ecdc4;font-size:1.1em}.dropoff-counter .do-score{color:gold;font-size:1.15em}.dropoff-mult{font-family:Roboto,sans-serif;font-weight:700;margin-top:.3rem;opacity:0;transition:opacity .3s}.dropoff-mult.visible{opacity:1}.dropoff-total{font-family:Roboto,sans-serif;font-weight:700;font-size:clamp(2rem,6vw,3.5rem);color:gold;text-shadow:0 4px 12px rgba(255,215,0,.5);margin-top:.5rem;opacity:0;transition:opacity .3s}.dropoff-total.visible{opacity:1}.dropoff-skip-hint{position:absolute;bottom:12%;left:50%;transform:translate(-50%);font-family:Roboto,sans-serif;font-size:clamp(.85rem,2.5vw,1.1rem);color:#fffc;text-align:center}.score-fly{position:absolute;font-family:Roboto,sans-serif;font-weight:700;font-size:clamp(1.5rem,4vw,2.5rem);color:gold;text-shadow:0 2px 8px rgba(255,215,0,.5);pointer-events:none;z-index:22}#coin-collect-overlay{display:none;position:absolute;top:0;left:0;right:0;bottom:0;z-index:18;pointer-events:none;flex-direction:column;align-items:center;justify-content:center}#coin-collect-overlay.active{display:flex}.coin-collect-total{font-family:Roboto,sans-serif;font-weight:700;font-size:clamp(2rem,6vw,3.5rem);color:gold;text-shadow:0 4px 12px rgba(255,215,0,.5);text-align:center}@keyframes coinWobble{0%,to{transform:scale(1)}25%{transform:scale(1.15) rotate(-3deg)}75%{transform:scale(1.15) rotate(3deg)}}.coin-collect-total.wobble{animation:coinWobble .2s ease-out}#flash-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#fff;opacity:0;z-index:15;pointer-events:none}.flash-anim{animation:flashFade .4s ease-out forwards}@keyframes flashFade{0%{opacity:.5}to{opacity:0}}