*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #4A90E2;--primary-dark: #357ABD;--secondary: #50C878;--danger: #E74C3C;--warning: #F39C12;--dark: #2C3E50;--light: #ECF0F1;--bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--text-light: #ffffff;--text-dark: #2C3E50;--shadow: 0 10px 30px rgba(0, 0, 0, .3);--shadow-sm: 0 4px 12px rgba(0, 0, 0, .15)}html,body{height:100%;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;touch-action:none;-webkit-user-select:none;user-select:none}body{background:var(--bg-gradient);color:var(--text-light)}#app{width:100%;height:100%;position:relative}.screen{position:absolute;top:0;left:0;width:100%;height:100%;display:none;align-items:center;justify-content:center;flex-direction:column;padding:20px;opacity:0;transform:scale(.95);transition:opacity .3s ease,transform .3s ease}.screen.active{display:flex;opacity:1;transform:scale(1)}#start-screen{text-align:center}.logo h1{font-size:clamp(2.5rem,8vw,4rem);font-weight:900;text-shadow:0 4px 12px rgba(0,0,0,.4);margin-bottom:10px;animation:float 3s ease-in-out infinite}.tagline{font-size:clamp(1rem,3vw,1.3rem);opacity:.9;margin-bottom:40px}.menu-container{width:100%;max-width:400px}.info-box{background:#ffffff26;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;padding:20px;margin:30px 0;text-align:left;box-shadow:var(--shadow-sm)}.info-box h3{margin-bottom:15px;font-size:1.2rem}.info-box p{margin:8px 0;font-size:.95rem;opacity:.9}.stats-preview{display:flex;gap:15px;margin-top:20px}.stat{flex:1;background:#ffffff1a;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);border-radius:15px;padding:15px;text-align:center}.stat-label{display:block;font-size:.85rem;opacity:.8;margin-bottom:5px}.stat-value{display:block;font-size:1.8rem;font-weight:700}.btn{width:100%;padding:18px 32px;font-size:1.2rem;font-weight:700;border:none;border-radius:50px;cursor:pointer;transition:all .3s ease;text-transform:uppercase;letter-spacing:1px;box-shadow:var(--shadow-sm);margin:10px 0}.btn-primary{background:var(--secondary);color:#fff}.btn-primary:hover,.btn-primary:active{background:#45b369;transform:translateY(-2px);box-shadow:var(--shadow)}.btn-secondary{background:#fff3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff}.btn-secondary:hover,.btn-secondary:active{background:#ffffff4d}.btn-reward{background:linear-gradient(135deg,#f39c12,#e67e22);color:#fff;font-weight:700;box-shadow:0 4px 18px #f39c128c;border:2px solid rgba(255,220,80,.5);animation:rewardPulse 2s ease-in-out infinite}.btn-reward:hover,.btn-reward:active{background:linear-gradient(135deg,#f5a623,#d35400);box-shadow:0 6px 24px #f39c12b3}@keyframes rewardPulse{0%,to{box-shadow:0 4px 18px #f39c128c}50%{box-shadow:0 4px 28px #f39c12d9}}.icon-btn{width:60px;height:60px;border-radius:50%;border:none;background:#fff3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font-size:1.5rem;cursor:pointer;box-shadow:var(--shadow-sm);transition:all .3s ease}.icon-btn:hover,.icon-btn:active{background:#ffffff4d;transform:scale(1.1)}#game-screen{padding:0;background:linear-gradient(180deg,#87ceeb,#e0f6ff)}#game-canvas{position:absolute;top:0;left:0;width:100%;height:100%;display:block;z-index:1}#game-hud{position:absolute;top:0;left:0;width:100%;padding:20px;pointer-events:none;z-index:10}.hud-top{display:flex;justify-content:space-between;margin-bottom:20px}.hud-item{background:#ffffffe6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:var(--text-dark);padding:12px 20px;border-radius:25px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;align-items:center;min-width:80px}.hud-label{font-size:.75rem;opacity:.7;text-transform:uppercase;font-weight:600}.hud-value{font-size:1.5rem;font-weight:700;margin-top:2px}#breath-indicator{position:fixed;bottom:30px;left:50%;transform:translate(-50%);width:90%;max-width:300px;text-align:center}.breath-bar{background:#ffffff4d;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);height:12px;border-radius:10px;overflow:hidden;margin-bottom:10px;box-shadow:var(--shadow-sm)}.breath-fill{height:100%;background:linear-gradient(90deg,var(--secondary),var(--primary));border-radius:10px;width:0%;transition:width .1s ease}.breath-text{font-size:.9rem;font-weight:600;text-shadow:0 2px 4px rgba(0,0,0,.3)}#pause-btn{position:absolute;bottom:30px;right:20px;pointer-events:all;z-index:20}#gameover-screen{background:#000c;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.gameover-content{width:100%;max-width:400px;text-align:center}.gameover-title{font-size:2.5rem;margin-bottom:30px;animation:shake .5s}.score-summary{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;padding:25px;margin-bottom:20px}.final-score,.coins-earned{margin:15px 0}.final-score .label,.coins-earned .label{display:block;font-size:.9rem;opacity:.8;margin-bottom:5px}.final-score .value,.coins-earned .value{display:block;font-size:3rem;font-weight:700}.new-record{background:linear-gradient(90deg,gold,orange);color:var(--text-dark);padding:15px;border-radius:15px;font-weight:700;font-size:1.2rem;margin:20px 0;animation:pulse 1s infinite}.new-record.hidden{display:none}.gameover-buttons{margin:20px 0}.ad-placeholder{margin-top:30px;padding:40px 20px;background:#ffffff0d;border:2px dashed rgba(255,255,255,.3);border-radius:15px;font-size:.9rem;opacity:.6}#pause-screen{background:#000c;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.pause-content{width:100%;max-width:300px;text-align:center}.pause-content h2{font-size:2.5rem;margin-bottom:30px}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-10px)}75%{transform:translate(10px)}}.pulse{animation:pulse 2s ease-in-out infinite}@media (max-height: 700px){.logo h1{font-size:2rem;margin-bottom:5px}.tagline{font-size:.9rem;margin-bottom:20px}.info-box{padding:15px;margin:20px 0}.btn{padding:14px 28px;font-size:1rem}}@media (orientation: landscape) and (max-height: 500px){.screen{flex-direction:row;overflow-y:auto}.menu-container{max-width:300px}}.menu-buttons-row{display:flex;gap:10px;margin:15px 0}.btn-small{flex:1;padding:12px 16px;font-size:.9rem;background:#fff3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:none;border-radius:25px;color:#fff;font-weight:700;cursor:pointer;transition:all .3s ease}.btn-small:hover{background:#ffffff4d;transform:translateY(-2px)}.lives-display .hud-value{font-size:1.2rem;letter-spacing:2px}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000e6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal.hidden{display:none}.modal-content{background:linear-gradient(135deg,#2c3e50,#1a252f);border-radius:25px;padding:30px;max-width:400px;width:100%;text-align:center;box-shadow:0 20px 60px #00000080;animation:modalSlideIn .3s ease}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.modal-content h2{font-size:1.8rem;margin-bottom:15px}.lives-remaining{font-size:1.1rem;opacity:.9;margin-bottom:20px}.final-stats{background:#ffffff1a;border-radius:15px;padding:20px;margin:20px 0}.stat-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.1)}.stat-row:last-child{border-bottom:none}#leaderboard-screen{background:var(--bg-gradient)}.leaderboard-content{width:100%;max-width:400px;text-align:center}.leaderboard-content h2{font-size:2.5rem;margin-bottom:30px}.leaderboard-list{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;padding:20px;margin-bottom:20px;max-height:400px;overflow-y:auto}.leaderboard-item{display:flex;align-items:center;padding:15px;background:#ffffff0d;border-radius:15px;margin-bottom:10px}.leaderboard-item:last-child{margin-bottom:0}.leaderboard-item.gold{background:linear-gradient(135deg,#ffd7004d,#ffa50033)}.leaderboard-item.silver{background:linear-gradient(135deg,#c0c0c04d,#a9a9a933)}.leaderboard-item.bronze{background:linear-gradient(135deg,#cd7f324d,#b8733333)}.leaderboard-rank{font-size:1.5rem;font-weight:700;width:50px}.leaderboard-name{flex:1;text-align:left;font-weight:600}.leaderboard-score{font-size:1.2rem;font-weight:700;color:var(--secondary)}#shop-screen{background:var(--bg-gradient)}.shop-content{width:100%;max-width:500px;text-align:center}.shop-content h2{font-size:2.5rem;margin-bottom:20px}.shop-coins{background:#fff3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:25px;padding:10px 25px;display:inline-flex;align-items:center;gap:10px;font-size:1.5rem;font-weight:700;margin-bottom:25px}.skins-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-bottom:20px}.skin-item{background:#ffffff1a;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);border-radius:20px;padding:15px;cursor:pointer;transition:all .3s ease;border:3px solid transparent}.skin-item:hover{transform:translateY(-5px);background:#fff3}.skin-item.selected{border-color:var(--secondary)}.skin-item.locked{opacity:.6}.skin-preview{width:60px;height:60px;margin:0 auto 10px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2rem}.skin-name{font-size:.85rem;font-weight:600;margin-bottom:5px}.skin-price{font-size:.8rem;opacity:.8}.skin-price.owned{color:var(--secondary)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}#daily-screen{background:var(--bg-gradient)}.daily-content{width:100%;max-width:400px;text-align:center}.daily-content h2{font-size:2.5rem;margin-bottom:25px}.daily-challenge-box{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:25px;padding:25px;margin-bottom:20px}.daily-date{font-size:.9rem;opacity:.7;margin-bottom:15px}.daily-objective h3{font-size:1.3rem;margin-bottom:10px;color:var(--secondary)}.daily-objective p{font-size:1rem;opacity:.9;margin-bottom:15px}.daily-reward{display:flex;justify-content:space-between;padding:15px;background:#ffd70033;border-radius:15px;margin-bottom:15px}.reward-amount{font-weight:700;font-size:1.2rem}.daily-progress{margin-top:15px}.daily-progress .progress-bar{height:10px;background:#fff3;border-radius:5px;overflow:hidden;margin-bottom:10px}.daily-progress .progress-fill{height:100%;background:var(--secondary);border-radius:5px;width:0%;transition:width .3s ease}#daily-status{font-size:.9rem;opacity:.8}#daily-status.completed{color:var(--secondary);font-weight:700}.daily-stats{display:flex;gap:15px;margin:20px 0}.daily-stat{flex:1;background:#ffffff1a;border-radius:15px;padding:15px}.daily-stat .stat-label{display:block;font-size:.8rem;opacity:.7;margin-bottom:5px}.daily-stat .stat-value{display:block;font-size:1.2rem;font-weight:700}