.app{display:flex;flex-direction:column;height:100vh;width:100vw;background-color:#f0f0f0}.header{display:flex;gap:10px;padding:15px;background-color:#2c3e50;border-bottom:2px solid #34495e}.header button,.header .load-button{padding:10px 20px;background-color:#3498db;color:#fff;border:none;border-radius:5px;cursor:pointer;font-size:14px;font-weight:500;transition:background-color .2s}.header button:hover:not(:disabled),.header .load-button:hover{background-color:#2980b9}.header button:disabled{background-color:#7f8c8d;cursor:not-allowed;opacity:.6}.header .load-button{display:inline-block}.reset-zoom-btn{background-color:#9b59b6!important;font-weight:600}.reset-zoom-btn:hover:not(:disabled){background-color:#8e44ad!important}.arrows-btn{background-color:#e67e22!important;font-weight:600}.arrows-btn:hover:not(:disabled){background-color:#d35400!important}.arrows-btn.active{background-color:#27ae60!important}.arrows-btn.active:hover:not(:disabled){background-color:#229954!important}.grid-controls{display:flex;align-items:center;gap:15px;margin-left:auto;padding-left:20px;border-left:1px solid #34495e}.grid-toggle{display:flex;align-items:center;gap:8px;color:#ecf0f1;font-size:14px;cursor:pointer;-webkit-user-select:none;user-select:none}.grid-toggle input[type=checkbox]{width:18px;height:18px;cursor:pointer}.grid-size-control{display:flex;align-items:center}.grid-size-control label{display:flex;align-items:center;gap:8px;color:#ecf0f1;font-size:13px;white-space:nowrap}.grid-input{width:60px;padding:4px 8px;background-color:#34495e;color:#ecf0f1;border:1px solid #3498db;border-radius:4px;font-size:13px;text-align:center}.grid-input:focus{outline:none;border-color:#2980b9;background-color:#2c3e50}.grid-slider{width:150px;height:6px;cursor:pointer;accent-color:#3498db}.grid-slider::-webkit-slider-thumb{width:16px;height:16px;background:#3498db;cursor:pointer;border-radius:50%}.grid-slider::-moz-range-thumb{width:16px;height:16px;background:#3498db;cursor:pointer;border-radius:50%;border:none}.main-content{flex:1;display:flex;gap:0;overflow:hidden}.field-container{flex:1;display:flex;justify-content:center;align-items:center;padding:10px;background-color:#ecf0f1;overflow:auto;position:relative}.field-container canvas{display:block}.instructions{width:320px;background-color:#34495e;color:#ecf0f1;padding:20px;overflow-y:auto;border-left:2px solid #2c3e50}.instructions h3{margin-top:0;color:#3498db;font-size:18px;margin-bottom:15px}.instructions h4{color:#e74c3c;font-size:16px;margin-top:20px;margin-bottom:10px}.instructions ol,.instructions ul{padding-left:20px;line-height:1.6}.instructions li{margin-bottom:8px;font-size:14px}.timeline-container{height:75px;background-color:#34495e;border-top:2px solid #2c3e50;display:flex;flex-direction:row;align-items:center;gap:10px;padding:0 15px}.timeline-container button{padding:8px 16px;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:13px;transition:background-color .2s;white-space:nowrap}.timeline-container button:first-child{background-color:#e74c3c}.timeline-container button:first-child:hover:not(:disabled){background-color:#c0392b}.timeline-container button:not(:first-child){background-color:#27ae60}.timeline-container button:not(:first-child):hover:not(:disabled){background-color:#229954}.timeline-container button:disabled{background-color:#7f8c8d;cursor:not-allowed;opacity:.6}.loop-checkbox{display:flex;align-items:center;gap:6px;color:#ecf0f1;font-size:13px;cursor:pointer;-webkit-user-select:none;user-select:none;padding:0 8px}.loop-checkbox input[type=checkbox]{width:16px;height:16px;cursor:pointer}.timeline{flex:1;background-color:#2c3e50;position:relative;border-radius:4px;overflow:hidden;height:55px}.timeline svg{display:block}.changelog-popup{position:fixed;left:20px;top:80px;width:320px;max-height:70vh;background-color:#fffffff7;border:1px solid #bdc3c7;border-radius:8px;box-shadow:0 4px 12px #00000026;z-index:1000;overflow:hidden;display:flex;flex-direction:column}.close-btn{position:absolute;top:8px;right:8px;background:transparent;border:none;font-size:28px;line-height:1;color:#7f8c8d;cursor:pointer;padding:4px 8px;transition:color .2s;z-index:1}.close-btn:hover{color:#e74c3c}.changelog-content{padding:20px;overflow-y:auto;color:#2c3e50;font-size:14px;line-height:1.6}.changelog-content h2{margin:0 0 16px;font-size:20px;color:#2c3e50;border-bottom:2px solid #ecf0f1;padding-bottom:8px}.changelog-content h3{margin:16px 0 8px;font-size:16px;color:#34495e;font-weight:600}.changelog-content h4{margin:12px 0 6px;font-size:14px;color:#3498db;font-weight:600}.changelog-content p{margin:8px 0;color:#7f8c8d}.changelog-content li{margin:6px 0;list-style:none;padding-left:20px;position:relative}.changelog-content li:before{content:"•";position:absolute;left:8px;color:#3498db;font-weight:700}.changelog-content br{display:block;margin:4px 0;content:""}.changelog-content::-webkit-scrollbar{width:6px}.changelog-content::-webkit-scrollbar-track{background:#ecf0f1;border-radius:3px}.changelog-content::-webkit-scrollbar-thumb{background:#bdc3c7;border-radius:3px}.changelog-content::-webkit-scrollbar-thumb:hover{background:#95a5a6}.properties-panel{width:320px;background-color:#34495e;color:#ecf0f1;padding:20px;overflow-y:auto;border-left:2px solid #2c3e50;display:flex;flex-direction:column;gap:20px}.properties-panel h3{margin:0 0 15px;color:#3498db;font-size:18px;border-bottom:2px solid #3498db;padding-bottom:10px}.no-selection{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:40px 20px;color:#95a5a6;font-size:14px}.no-selection .hint{font-size:12px;color:#7f8c8d;font-style:italic}.property-section{display:flex;flex-direction:column;gap:10px}.property-section label{font-size:14px;font-weight:600;color:#ecf0f1}.number-input{width:100%;padding:10px;background-color:#2c3e50;color:#ecf0f1;border:2px solid #3498db;border-radius:5px;font-size:16px;font-weight:600;text-align:center;transition:border-color .2s,background-color .2s}.number-input:focus{outline:none;border-color:#2980b9;background-color:#1a252f}.number-input::placeholder{color:#7f8c8d;font-weight:400}.number-input::-webkit-inner-spin-button,.number-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.number-input{-moz-appearance:textfield}.color-palette{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:10px;background-color:#2c3e50;border-radius:5px}.color-swatch{width:100%;aspect-ratio:1;border:3px solid transparent;border-radius:8px;cursor:pointer;transition:all .2s;position:relative}.color-swatch:hover{transform:scale(1.1);box-shadow:0 4px 8px #0000004d}.color-swatch.selected{border-color:#ecf0f1;box-shadow:0 0 0 2px #3498db;transform:scale(1.05)}.color-swatch.selected:after{content:"✓";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:18px;font-weight:700;text-shadow:0 0 3px rgba(0,0,0,.8)}.current-color-info{display:flex;align-items:center;gap:10px;padding:10px;background-color:#2c3e50;border-radius:5px;font-size:13px}.current-color-preview{width:32px;height:32px;border:2px solid #ecf0f1;border-radius:5px}.color-hex{font-family:monospace;color:#95a5a6;font-size:12px}.player-info{padding:15px;background-color:#2c3e50;border-radius:5px;font-size:13px;margin-top:auto}.player-info p{margin:8px 0;color:#95a5a6}.player-info strong{color:#ecf0f1;margin-right:5px}*{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;overflow:hidden}#root{width:100vw;height:100vh}