:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{margin:0;padding:0}body{margin:0;min-width:320px;min-height:100vh}#root{min-height:100vh}*{box-sizing:border-box}.app{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}header{text-align:center;color:#fff;margin-bottom:30px}header h1{font-size:2.5rem;margin:0;text-shadow:2px 2px 4px rgba(0,0,0,.3)}header p{font-size:1.1rem;margin:10px 0 0;opacity:.9}.container{display:flex;gap:20px;max-width:1600px;margin:0 auto}.controls{background:#fff;border-radius:12px;padding:25px;box-shadow:0 10px 30px #0003;min-width:300px;max-width:350px;height:fit-content}.controls h2{margin-top:0;color:#333;font-size:1.5rem;border-bottom:2px solid #667eea;padding-bottom:10px}.control-group{margin-bottom:20px}.control-group label{display:block;font-weight:600;margin-bottom:8px;color:#555;font-size:.95rem}.control-group select,.control-group input[type=range]{width:100%;padding:8px;border:1px solid #ddd;border-radius:6px;font-size:.95rem}.control-group select{background:#fff;cursor:pointer}.control-group select:focus,.control-group input:focus{outline:none;border-color:#667eea}.control-group input[type=range]{padding:0;cursor:pointer}.run-button{width:100%;padding:12px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s;margin-top:10px}.run-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.run-button:active:not(:disabled){transform:translateY(0)}.run-button:disabled{opacity:.6;cursor:not-allowed}.stats{margin-top:20px;padding:15px;background:#f8f9fa;border-radius:8px;border-left:4px solid #667eea}.stats h3{margin:0 0 10px;color:#333;font-size:1.1rem}.stats p{margin:5px 0;color:#666;font-size:.95rem}.visualizations{flex:1;background:#fff;border-radius:12px;padding:25px;box-shadow:0 10px 30px #0003;display:flex;flex-direction:column;gap:30px;overflow-y:auto;max-height:calc(100vh - 180px)}.placeholder{display:flex;align-items:center;justify-content:center;min-height:400px;color:#999;font-size:1.2rem;text-align:center}.plot-container{background:#fafafa;border-radius:8px;padding:15px;border:1px solid #eee}.plot-container svg{display:block;margin:0 auto}.animation-controls{background:#f0f4ff;border-radius:8px;padding:20px;border:2px solid #667eea}.controls-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.controls-header h3{margin:0;color:#333;font-size:1.2rem}.step-counter{font-size:.95rem;color:#667eea;font-weight:600}.button-group{display:flex;gap:10px;justify-content:center;margin-bottom:15px}.button-group button{padding:10px 15px;border:1px solid #667eea;background:#fff;border-radius:6px;cursor:pointer;font-size:1.2rem;transition:all .2s}.button-group button:hover:not(:disabled){background:#667eea;color:#fff;transform:scale(1.05)}.button-group button:disabled{opacity:.3;cursor:not-allowed}.play-pause-btn{background:#667eea!important;color:#fff!important}.speed-control{margin-bottom:10px}.speed-control label{display:block;font-size:.9rem;color:#555;font-weight:600}.speed-control input[type=range]{width:100%;margin-top:5px}.progress-bar{margin-top:10px}.statistics-panel{background:#fafafa;border-radius:8px;padding:20px;border:1px solid #eee}.statistics-panel h3{margin:0 0 15px;color:#333;font-size:1.3rem;border-bottom:2px solid #667eea;padding-bottom:10px}.stat-section{margin-bottom:20px;padding:15px;background:#fff;border-radius:6px;border:1px solid #e0e0e0}.stat-section h4{margin:0 0 12px;color:#667eea;font-size:1rem}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}.stat-item{display:flex;justify-content:space-between;padding:8px 10px;background:#f8f9fa;border-radius:4px;font-size:.85rem}.stat-label{color:#666;font-weight:500}.stat-value{color:#333;font-weight:700}.guide-text{font-size:.85rem;color:#555;line-height:1.6}.guide-text p{margin:5px 0}.guide-text ul{margin:8px 0;padding-left:20px}.guide-text li{margin:3px 0}.view-controls{background:#f8f9fa;padding:12px;border-radius:6px;margin-top:-15px}.view-controls label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:.9rem;color:#555}.view-controls input[type=checkbox]{cursor:pointer;width:18px;height:18px}@media(max-width:1200px){.container{flex-direction:column}.controls{max-width:100%}.visualizations{max-height:none}.stat-grid{grid-template-columns:1fr}}