:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.achievement-toast{position:fixed;top:20px;right:-350px;display:flex;align-items:center;gap:12px;padding:16px 20px;background:linear-gradient(135deg,#1a0a2efa,#16213efa);border:2px solid rgba(255,217,61,.5);border-radius:12px;box-shadow:0 8px 32px #00000080,0 0 20px #ffd93d33;z-index:1000;transition:right .3s ease;max-width:320px}.achievement-toast.show{right:20px}.achievement-icon{font-size:36px;animation:bounce .5s ease}@keyframes bounce{0%,to{transform:scale(1)}50%{transform:scale(1.2)}}.achievement-content{flex:1}.achievement-title{font-size:11px;color:#ffd93d;text-transform:uppercase;letter-spacing:1px;margin-bottom:4px}.achievement-name{font-size:16px;font-weight:700;color:#fff;margin-bottom:2px}.achievement-desc{font-size:12px;color:#fff9}.achievement-close{position:absolute;top:4px;right:8px;background:none;border:none;color:#fff6;font-size:18px;cursor:pointer;padding:0;line-height:1}.achievement-close:hover{color:#fffc}.tutorial-overlay{position:fixed;inset:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .3s ease}.tutorial-modal{background:linear-gradient(135deg,#1a0a2efa,#16213efa);border:2px solid rgba(78,205,196,.3);border-radius:20px;padding:30px 40px;max-width:400px;width:90%;text-align:center;box-shadow:0 25px 50px #00000080,0 0 50px #4ecdc41a;animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.tutorial-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.tutorial-step{font-size:12px;color:#ffffff80;text-transform:uppercase;letter-spacing:1px}.tutorial-skip{background:none;border:none;color:#fff6;font-size:13px;cursor:pointer;padding:4px 8px}.tutorial-skip:hover{color:#fffc}.tutorial-icon{font-size:48px;margin-bottom:16px}.tutorial-title{font-size:24px;color:#4ecdc4;margin:0 0 16px;text-shadow:0 0 20px rgba(78,205,196,.3)}.tutorial-content{font-size:15px;color:#fffc;line-height:1.6;white-space:pre-line;margin:0 0 24px}.tutorial-progress{display:flex;justify-content:center;gap:8px;margin-bottom:24px}.progress-dot{width:8px;height:8px;border-radius:50%;background:#fff3;transition:all .3s ease}.progress-dot.active{background:#4ecdc4;box-shadow:0 0 10px #4ecdc480}.tutorial-next-btn{padding:14px 40px;font-size:16px;font-weight:700;border:none;border-radius:12px;cursor:pointer;transition:all .3s ease;background:linear-gradient(135deg,#4ecdc4,#44a3aa);color:#000;box-shadow:0 4px 20px #4ecdc44d}.tutorial-next-btn:hover{transform:translateY(-2px);box-shadow:0 8px 30px #4ecdc480}.settings-overlay{position:fixed;inset:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.settings-modal{background:linear-gradient(135deg,#1a0a2efa,#16213efa);border:2px solid rgba(78,205,196,.3);border-radius:20px;padding:24px;width:90%;max-width:420px;max-height:80vh;overflow-y:auto;box-shadow:0 25px 50px #00000080;animation:slideUp .2s ease}.settings-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid rgba(78,205,196,.1)}.settings-header h2{font-size:22px;color:#4ecdc4;margin:0;text-shadow:0 0 20px rgba(78,205,196,.3)}.settings-close{background:none;border:none;color:#ffffff80;font-size:28px;cursor:pointer;padding:0;line-height:1}.settings-close:hover{color:#fffc}.settings-section{margin-bottom:24px}.settings-section h3{font-size:13px;color:#ffffff80;text-transform:uppercase;letter-spacing:2px;margin:0 0 12px}.setting-item{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#0003;border-radius:10px;margin-bottom:8px}.setting-label{font-size:15px;color:#fff}.toggle-btn{padding:8px 20px;border:none;border-radius:20px;font-size:13px;font-weight:700;cursor:pointer;transition:all .3s ease;min-width:60px}.toggle-btn.on{background:linear-gradient(135deg,#4ecdc4,#44a3aa);color:#000}.toggle-btn.off{background:#ffffff1a;color:#ffffff80}.difficulty-options{display:flex;gap:8px}.diff-btn{flex:1;padding:12px;border:2px solid rgba(255,255,255,.1);border-radius:10px;background:#0003;color:#fff9;font-size:14px;cursor:pointer;transition:all .3s ease}.diff-btn:hover{border-color:#4ecdc44d}.diff-btn.active{border-color:#4ecdc4;background:#4ecdc41a;color:#4ecdc4}.section-header{display:flex;justify-content:space-between;align-items:center;cursor:pointer}.section-header h3{margin:0}.progress-text{font-size:14px;color:#ffd93d}.progress-bar{height:8px;background:#ffffff1a;border-radius:4px;overflow:hidden;margin-bottom:12px}.progress-fill{height:100%;background:linear-gradient(90deg,#4ecdc4,#ffd93d);border-radius:4px;transition:width .3s ease}.achievements-list{max-height:200px;overflow-y:auto}.achievement-item{display:flex;align-items:center;gap:12px;padding:10px 12px;background:#0003;border-radius:8px;margin-bottom:6px}.achievement-item.locked{opacity:.4}.achievement-item .achievement-icon{font-size:24px}.achievement-item .achievement-info{flex:1;display:flex;flex-direction:column}.achievement-item .achievement-name{font-size:13px;font-weight:700;color:#fff}.achievement-item .achievement-desc{font-size:11px;color:#ffffff80}.achievement-item .check-mark{color:#4ecdc4;font-size:18px}.danger-zone{border-top:1px solid rgba(255,107,107,.2);padding-top:16px}.danger-zone h3{color:#ff6b6b99}.reset-btn{width:100%;padding:12px;border:2px solid rgba(255,107,107,.3);border-radius:10px;background:#ff6b6b1a;color:#ff6b6b;font-size:14px;cursor:pointer;transition:all .3s ease}.reset-btn:hover{background:#ff6b6b33;border-color:#ff6b6b}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#0f0518,#1a0a2e,#16213e);min-height:100vh;color:#fff}.app{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:20px}.game-container{display:flex;flex-direction:column;align-items:center;gap:12px;padding:20px;background:#0003;border-radius:16px;border:1px solid rgba(78,205,196,.15);box-shadow:0 25px 50px -12px #00000080,0 0 100px #4ecdc41a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.canvas-wrapper{position:relative;border-radius:12px;overflow:hidden;border:2px solid rgba(78,205,196,.2);box-shadow:0 0 40px #4ecdc41a,inset 0 0 60px #0000004d}.tower-menu{position:absolute;bottom:12px;left:50%;transform:translate(-50%);z-index:10}.tower-menu-content{background:#1a0a2efa;border:1px solid rgba(78,205,196,.3);border-radius:12px;padding:12px 16px;display:flex;flex-direction:column;gap:12px;box-shadow:0 8px 32px #00000080;animation:slideUp .2s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.tower-menu-title{font-size:14px;font-weight:700;color:#4ecdc4;text-align:center}.tower-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;background:#0000004d;padding:10px;border-radius:8px}.tower-stat{display:flex;flex-direction:column;gap:2px}.tower-stat .stat-label{font-size:10px;color:#fff9}.tower-stat .stat-value{font-size:13px;color:#fff;font-weight:700}.tower-stat .stat-preview{color:#4ecdc4;font-size:11px}.max-level-badge{display:inline-flex;align-items:center;justify-content:center;padding:8px 12px;background:linear-gradient(135deg,#ffd93d,#f5c400);color:#000;border-radius:8px;font-size:12px;font-weight:700}.tower-menu-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.menu-btn{padding:8px 12px;border:none;border-radius:8px;font-size:12px;cursor:pointer;transition:all .2s ease;font-weight:700}.menu-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #0000004d}.menu-btn:disabled{opacity:.4;cursor:not-allowed}.menu-btn.upgrade{background:linear-gradient(135deg,#4ecdc4,#44a3aa);color:#000}.menu-btn.sell{background:linear-gradient(135deg,#ffd93d,#f5c400);color:#000}.menu-btn.cancel{background:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.2)}.toolbar{display:flex;justify-content:space-between;width:100%;padding:16px;background:#1a0a2e99;border-radius:12px;border:1px solid rgba(78,205,196,.1)}.toolbar-section{display:flex;flex-direction:column;gap:8px}.toolbar-label{font-size:10px;color:#ffffff80;text-transform:uppercase;letter-spacing:2px;font-weight:700}.toolbar-buttons{display:flex;gap:12px}.skill-buttons{display:flex;gap:8px}.skill-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px;background:linear-gradient(135deg,#1a0a2ee6,#28143ce6);border:2px solid rgba(255,255,255,.1);border-radius:12px;color:#fff;font-size:20px;cursor:pointer;transition:all .2s ease;min-width:60px;min-height:60px;position:relative;overflow:hidden}.skill-btn:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at center,transparent 30%,rgba(0,0,0,.3) 100%);pointer-events:none}.skill-btn:hover:not(:disabled){opacity:1;transform:translateY(-2px);border-color:#4ecdc480;box-shadow:0 8px 20px #4ecdc44d,inset 0 1px #ffffff1a}.skill-btn:active:not(:disabled){transform:translateY(1px) scale(.98);box-shadow:0 2px 8px #4ecdc433,inset 0 2px 4px #0000004d}.skill-btn:nth-child(1){border-color:#a855f74d}.skill-btn:nth-child(1):hover:not(:disabled){box-shadow:0 8px 20px #a855f766;border-color:#a855f799}.skill-btn:nth-child(2){border-color:#3b82f64d}.skill-btn:nth-child(2):hover:not(:disabled){box-shadow:0 8px 20px #3b82f666;border-color:#3b82f699}.skill-btn:nth-child(3){border-color:#f59e0b4d}.skill-btn:nth-child(3):hover:not(:disabled){box-shadow:0 8px 20px #f59e0b66;border-color:#f59e0b99}.skill-cooldown{font-size:9px;color:#ffffff80}.hint{position:fixed;bottom:20px;left:50%;transform:translate(-50%);background:#1a0a2ef2;border:1px solid rgba(78,205,196,.3);border-radius:20px;padding:10px 20px;font-size:13px;color:#4ecdc4;box-shadow:0 4px 20px #0006;animation:pulse 2s infinite}@keyframes pulse{0%,to{box-shadow:0 0 #4ecdc466}50%{box-shadow:0 0 0 10px #4ecdc400}}.neon-text{text-shadow:0 0 5px currentColor,0 0 10px currentColor,0 0 20px currentColor,0 0 40px currentColor}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#0003;border-radius:4px}::-webkit-scrollbar-thumb{background:#4ecdc44d;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#4ecdc480}.game-over-screen,.victory-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;padding:60px 80px;background:linear-gradient(135deg,#1a0a2efa,#16213efa);border-radius:20px;border:2px solid rgba(255,107,107,.3);box-shadow:0 25px 50px -12px #00000080,0 0 100px #ff6b6b33;animation:fadeIn .5s ease}.victory-screen{border-color:#4ecdc44d;box-shadow:0 25px 50px -12px #00000080,0 0 100px #4ecdc433}.game-over-screen h1{font-size:48px;color:#ff6b6b;text-shadow:0 0 30px rgba(255,107,107,.5);margin:0}.victory-screen h1{font-size:48px;color:#4ecdc4;text-shadow:0 0 30px rgba(78,205,196,.5);margin:0}.game-over-screen p,.victory-screen p{font-size:20px;color:#fffc;margin:0}.restart-btn{padding:16px 40px;font-size:18px;font-weight:700;border:none;border-radius:12px;cursor:pointer;transition:all .3s ease;background:linear-gradient(135deg,#4ecdc4,#44a3aa);color:#000;box-shadow:0 4px 20px #4ecdc44d}.restart-btn:hover{transform:translateY(-3px);box-shadow:0 8px 30px #4ecdc480}@keyframes fadeIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.skill-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px;background:#1a0a2ecc;border:1px solid rgba(255,255,255,.1);border-radius:10px;color:#fff;font-size:20px;cursor:pointer;transition:all .2s ease;min-width:60px;opacity:.7}.skill-btn:hover:not(:disabled){opacity:1;background:#1a0a2ef2;border-color:#4ecdc480;transform:translateY(-2px);box-shadow:0 4px 12px #4ecdc433}.skill-btn:disabled{opacity:.4;cursor:not-allowed;filter:grayscale(.8)}.skill-btn.selected{border-color:#a855f7;box-shadow:0 0 20px #a855f799,inset 0 0 15px #a855f733;opacity:1;animation:skillBtnPulse 1.5s ease-in-out infinite}@keyframes skillBtnPulse{0%,to{box-shadow:0 0 20px #a855f799}50%{box-shadow:0 0 30px #a855f7cc}}.skill-cooldown{font-size:10px;color:#ffffffe6;font-weight:700;text-shadow:0 1px 2px rgba(0,0,0,.5);background:#0000004d;padding:2px 6px;border-radius:4px}@keyframes comboPulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.combo-active{animation:comboPulse .3s ease-in-out infinite}.paused-overlay{position:absolute;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:50}.paused-text{font-size:36px;font-weight:700;color:#4ecdc4;text-shadow:0 0 30px rgba(78,205,196,.5);animation:pulse 1.5s ease-in-out infinite}.menu-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;padding:40px 60px;background:linear-gradient(135deg,#1a0a2efa,#16213efa);border-radius:20px;border:2px solid rgba(78,205,196,.3);box-shadow:0 25px 50px -12px #00000080,0 0 100px #4ecdc426;animation:fadeIn .5s ease;max-width:400px}.menu-title{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:center}.menu-title h1{font-size:36px;color:#4ecdc4;text-shadow:0 0 10px rgba(78,205,196,.5),0 0 20px rgba(78,205,196,.3),0 0 40px rgba(78,205,196,.2);margin:0;padding:0 10px}.menu-icon{font-size:28px;animation:float 3s ease-in-out infinite}.menu-icon:nth-child(1){animation-delay:0s}.menu-icon:nth-child(2){animation-delay:.2s}.menu-icon:nth-child(3){animation-delay:.4s}.menu-icon:nth-child(5){animation-delay:.4s}.menu-icon:nth-child(6){animation-delay:.2s}.menu-icon:nth-child(7){animation-delay:0s}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}.menu-subtitle{font-size:14px;color:#ffffff80;letter-spacing:4px;margin:-15px 0 10px;text-transform:uppercase}.menu-stats{display:flex;gap:30px;padding:20px 30px;background:linear-gradient(135deg,#0006,#0003);border-radius:14px;border:1px solid rgba(78,205,196,.2);box-shadow:inset 0 1px #ffffff0d}.stat-item{display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 15px;background:#0000004d;border-radius:10px;min-width:70px}.stat-label{font-size:11px;color:#fff9;text-transform:uppercase;letter-spacing:1px;font-weight:700}.stat-value{font-size:26px;font-weight:700;color:#ffd93d;text-shadow:0 0 15px rgba(255,217,61,.5);font-family:Courier New,monospace}.menu-buttons{display:flex;flex-direction:column;gap:12px;width:100%;max-width:250px}.menu-btn{padding:16px 32px;font-size:18px;font-weight:700;border:none;border-radius:12px;cursor:pointer;transition:all .3s ease}.start-btn{background:linear-gradient(135deg,#4ecdc4,#44a3aa);color:#000;box-shadow:0 4px 20px #4ecdc44d,inset 0 1px #ffffff4d;border:none}.start-btn:hover{transform:translateY(-3px);box-shadow:0 8px 30px #4ecdc480,inset 0 1px #ffffff4d}.start-btn:active{transform:translateY(1px);box-shadow:0 2px 10px #4ecdc44d}.endless-btn{background:linear-gradient(135deg,#a855f7,#7c3aed);color:#fff;box-shadow:0 4px 20px #a855f74d,inset 0 1px #fff3;border:none}.endless-btn:hover{transform:translateY(-3px);box-shadow:0 8px 30px #a855f780,inset 0 1px #fff3}.endless-btn:active{transform:translateY(1px);box-shadow:0 2px 10px #a855f74d}.challenge-btn{background:linear-gradient(135deg,#f59e0b,#d97706);color:#000;box-shadow:0 4px 20px #f59e0b4d,inset 0 1px #ffffff4d;border:none}.challenge-btn:hover{transform:translateY(-3px);box-shadow:0 8px 30px #f59e0b80,inset 0 1px #ffffff4d}.challenge-btn:active{transform:translateY(1px);box-shadow:0 2px 10px #f59e0b4d}.settings-btn{background:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.2)}.settings-btn:hover{background:#ffffff26;border-color:#4ecdc480;box-shadow:0 4px 15px #4ecdc433}.menu-tips{text-align:center;padding:16px 24px;background:#0003;border-radius:12px;border:1px solid rgba(78,205,196,.1)}.menu-tips h3{font-size:14px;color:#ffffffb3;margin:0 0 12px;text-transform:uppercase;letter-spacing:2px}.tips-content{display:flex;gap:20px;justify-content:center}.tips-content p{font-size:14px;color:#fffc;margin:0;display:flex;align-items:center;gap:4px}.element-icon{font-size:16px}.element-icon.fire{color:#ff6b6b}.element-icon.water{color:#4ecdc4}.element-icon.grass{color:#95e1d3}.game-over-buttons,.victory-buttons{display:flex;gap:12px}.menu-back-btn{padding:16px 24px;font-size:16px;font-weight:700;border:none;border-radius:12px;cursor:pointer;transition:all .3s ease;background:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.2)}.menu-back-btn:hover{background:#fff3;border-color:#4ecdc44d}@media(max-width:600px){.app{padding:10px}.game-container{padding:10px;gap:8px;border-radius:12px}.toolbar{flex-direction:column;gap:12px;padding:12px}.toolbar-section{flex-direction:row;justify-content:space-between}.toolbar-label{display:none}.toolbar-buttons,.skill-buttons{gap:8px}.toolbar-buttons>*{min-width:44px;min-height:44px}.skill-btn{min-width:50px;min-height:50px;padding:8px}.canvas-wrapper{touch-action:none;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.touch-feedback{position:absolute;width:60px;height:60px;border-radius:50%;background:radial-gradient(circle,rgba(78,205,196,.4) 0%,transparent 70%);pointer-events:none;animation:touchRipple .4s ease-out forwards;transform:translate(-50%,-50%)}@keyframes touchRipple{0%{width:20px;height:20px;opacity:1}to{width:80px;height:80px;opacity:0}}.menu-btn{min-height:48px;touch-action:manipulation}.tower-menu{bottom:8px;width:calc(100% - 20px);max-width:none}.tower-menu-content{width:100%}.tower-stats{grid-template-columns:repeat(4,1fr)}.skill-btn span:first-child{font-size:24px}.menu-screen{padding:30px 20px;gap:16px}.menu-title h1{font-size:28px}.menu-icon{font-size:22px}.menu-stats{gap:15px;padding:15px 20px}.stat-value{font-size:20px}.menu-buttons{max-width:200px}.tips-content{flex-direction:column;gap:8px}.game-over-screen,.victory-screen{padding:30px 20px;gap:16px}.game-over-screen h1,.victory-screen h1{font-size:32px}.game-over-screen p,.victory-screen p{font-size:16px}.game-over-buttons,.victory-buttons{flex-direction:column;width:100%}.restart-btn,.menu-back-btn{width:100%;padding:14px 24px}.tower-menu{width:90%;left:5%;transform:none}.tower-menu-content{padding:10px 12px}.tower-menu-actions{flex-wrap:wrap;justify-content:center}.menu-btn{padding:10px 14px;font-size:13px}.hint{bottom:10px;padding:8px 16px;font-size:12px;width:90%;text-align:center}}@media(min-width:601px)and (max-width:900px){.toolbar{padding:12px}.skill-btn{min-width:55px}}@media(max-height:500px)and (orientation:landscape){.game-container{flex-direction:row;padding:10px;gap:10px}.toolbar{flex-direction:column;justify-content:center;width:auto;min-width:120px}.hint{bottom:10px}}*{-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}input,textarea{-webkit-user-select:auto;user-select:auto}.pause-overlay{position:absolute;inset:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .2s ease}.pause-content{display:flex;flex-direction:column;align-items:center;gap:24px;padding:40px;background:#1a0a2ef2;border:2px solid rgba(78,205,196,.3);border-radius:16px;box-shadow:0 8px 40px #00000080}.pause-content h2{font-size:28px;color:#4ecdc4;margin:0;text-shadow:0 0 20px rgba(78,205,196,.5)}.pause-buttons{display:flex;flex-direction:column;gap:12px}.pause-buttons .menu-btn{padding:14px 32px;font-size:16px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}