:root{--border-color: #ccc;--background-light: #f8f8f8;--sidebar-bg: #f0f0f0;--header-color: #0F5FA6;--text-color: #333;--axis-label-width: 220px}*{box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;margin:0;color:var(--text-color);background-color:#fff;height:100vh;overflow:hidden}.app-container{display:flex;height:100%}.sidebar{width:280px;flex-shrink:0;background:var(--sidebar-bg);border-right:1px solid var(--border-color);padding:1.5rem;display:flex;flex-direction:column;gap:1.5rem;overflow-y:auto}.sidebar-header h1{color:var(--header-color);margin:0;font-size:1.8rem}.sidebar-header p{margin:0;font-style:italic;color:#666}.control-group{padding-bottom:1rem;border-bottom:1px solid #e0e0e0}.control-group:last-child{border-bottom:none}.control-group h2{font-size:1rem;margin-top:0;margin-bottom:1rem;display:flex;align-items:center;gap:8px}.control-group h2 .feather{width:18px;height:18px;color:#555}.control-group button{width:100%;padding:8px 12px;margin-top:8px;border:1px solid #bbb;background-color:#fff;cursor:pointer;border-radius:4px;display:flex;align-items:center;justify-content:center;gap:8px}.control-group button:hover{background-color:#e9e9e9;border-color:#999}.control-group button .feather{width:16px;height:16px}#diffFiles{display:none}.file-upload-label{display:flex;justify-content:center;align-items:center;gap:8px;padding:8px 12px;background-color:#fff;border:1px solid #bbb;border-radius:4px;cursor:pointer;margin-bottom:8px}.file-upload-label:hover{background-color:#e9e9e9}.analysis-options{display:flex;flex-direction:column;gap:8px}.vis-options{display:flex;flex-direction:column;gap:10px;font-size:14px}.vis-options label{display:flex;align-items:center;gap:8px;cursor:pointer}.vis-options .feather{width:18px;height:18px}.main-content{flex-grow:1;display:flex;flex-direction:column;padding:1.5rem;overflow:hidden}.vis-wrapper{flex-grow:1;position:relative;min-height:300px}.vis-container{position:absolute;width:100%;height:100%;border:1px solid var(--border-color);background:var(--background-light)}.axis-grid{display:grid;grid-template-columns:var(--axis-label-width) 1fr;border:1px solid var(--border-color);margin-top:1rem;background:var(--sidebar-bg)}#axis-labels{font-size:10px;border-right:1px solid var(--border-color);overflow:hidden}.axis-panel-label{height:25px;display:flex;align-items:center;padding:2px 5px;border-bottom:1px solid #e0e0e0}.axis-panel-label:last-child{border-bottom:none}.color-swatch-container{display:flex;flex-shrink:0}.color-swatch{width:20px;height:16px}.axis-panel-label span{margin-left:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}#axis-wrapper{overflow-x:auto;background:var(--background-light);min-height:150px}#axis{display:block}.axis-note{text-align:right;font-style:italic;color:#666;margin:.5rem 0}.slider-container{display:flex;align-items:center;width:100%;margin-top:1rem}#beatSlider{flex-grow:1}#beatLabel{margin-left:10px;font-weight:700;min-width:300px}#axis-legend{margin-top:1rem}#axis-legend .legend-gradient{width:100%;height:15px;border:1px solid #ddd}#axis-legend .legend-labels{display:flex;justify-content:space-between;font-size:10px}.tooltip{position:absolute;background:#fffffff2;border:1px solid #999;padding:8px;font-size:12px;border-radius:4px;box-shadow:0 2px 5px #0003;max-width:350px;white-space:pre-wrap;transition:opacity .2s}.loader-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#ffffffb3;z-index:1000;display:flex;justify-content:center;align-items:center}.spinner{border:5px solid #f3f3f3;border-top:5px solid var(--header-color);border-radius:50%;width:50px;height:50px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.node-label{font-size:15px;paint-order:stroke;stroke:#fff;stroke-width:3px;fill:#000;pointer-events:none;opacity:1;transition:opacity .2s}