*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none}html,body,#root{width:100%;height:100%;height:100dvh;overflow:hidden;background:#87ceeb;padding:0;margin:0}body{touch-action:manipulation;position:fixed;inset:0}.game-container{width:100%;height:100%;height:100dvh;display:flex;justify-content:center;align-items:center;position:fixed;inset:0;background:#87ceeb}.game-canvas{display:block;width:100%;height:100%;object-fit:contain}.overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;background:#00000080;color:#fff;text-align:center;padding:20px}.overlay h1{font-size:3rem;margin-bottom:1rem;text-shadow:3px 3px 0 #000}.overlay p{font-size:1.5rem;margin-bottom:.5rem;text-shadow:2px 2px 0 #000}.overlay.gameover{background:#000000b3}.final-score{font-size:2.5rem!important;color:gold}.high-score{font-size:1.2rem!important;color:#90ee90}.overlay button{margin-top:2rem;padding:15px 40px;font-size:1.5rem;font-weight:700;background:gold;color:#333;border:4px solid #000;border-radius:10px;cursor:pointer;box-shadow:4px 4px #000;transition:transform .1s,box-shadow .1s}.bird-selector{margin:1.5rem 0}.selector-label{font-size:1rem!important;opacity:.8;margin-bottom:1rem!important}.bird-options{display:flex;gap:1.5rem;justify-content:center}.bird-option{display:flex;flex-direction:column;align-items:center;padding:12px 16px;background:#ffffff1a;border:3px solid transparent;border-radius:12px;cursor:pointer;transition:all .2s ease}.bird-option:hover{background:#fff3}.bird-option.selected{border-color:gold;background:#ffd70033;box-shadow:0 0 15px #ffd70066}.bird-option img{width:60px;height:60px;object-fit:contain;margin-bottom:8px}.bird-option span{font-size:.9rem;font-weight:700;text-shadow:1px 1px 0 #000}.tap-to-start{margin-top:1rem!important;animation:pulse 1.5s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.overlay button:hover{transform:translate(2px,2px);box-shadow:2px 2px #000}.overlay button:active{transform:translate(4px,4px);box-shadow:none}.install-prompt{position:fixed;bottom:0;left:0;right:0;background:#000000f2;color:#fff;padding:20px;padding-bottom:calc(20px + env(safe-area-inset-bottom));z-index:1000;animation:slideUp .3s ease-out;border-top-left-radius:16px;border-top-right-radius:16px}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.install-header{font-size:1.3rem;font-weight:700;text-align:center;margin-bottom:16px}.install-steps{display:flex;flex-direction:column;gap:12px}.install-step{display:flex;align-items:center;gap:12px;font-size:.95rem}.step-number{background:#007aff;color:#fff;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700;flex-shrink:0}.safari-share-icon{width:22px;height:22px;vertical-align:middle;color:#007aff;margin:0 2px}.install-step strong{color:#007aff}.install-close{position:absolute;top:12px;right:12px;background:#ffffff26;color:#999;border:none;width:28px;height:28px;border-radius:50%;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center}.install-close:active{background:#ffffff40}