:root{color-scheme:dark;--bg: #0e1116;--panel-bg: rgba(18, 22, 28, .88);--accent: #ff8a3d;--accent-2: #3dd6ff;--text: #eaeef2;--text-dim: #9aa4b2;--border: rgba(255, 255, 255, .12)}*{box-sizing:border-box}html,body{margin:0;padding:0;width:100%;height:100%;background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,-apple-system,sans-serif;overflow:hidden}#cesiumContainer{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}#cesiumCredits{position:absolute;top:4px;right:8px;z-index:5;font-size:10px;line-height:1.4;color:var(--text-dim);opacity:.6;text-align:right;pointer-events:none}#cesiumCredits a{color:inherit;pointer-events:auto}#elevationProfile{position:absolute;left:0;right:0;bottom:0;height:10%;background:#8c8c968c;pointer-events:auto;touch-action:none;z-index:4}#elevationProfile svg{display:block;width:100%;height:100%}#elevationProfile path{fill:#2d2f33eb}.elevation-label{position:absolute;background:#1e2024bf;color:var(--text);font-size:11px;line-height:1;padding:3px 6px;border-radius:4px;border:1px solid rgba(140,140,150,.5);white-space:nowrap;pointer-events:none}#elevationCursor{position:absolute;top:0;bottom:0;left:0;pointer-events:none;z-index:5}#elevationCursorHandle{position:absolute;top:0;left:0;transform:translate(-50%);color:var(--accent);font-size:14px;line-height:1;text-shadow:0 1px 2px rgba(0,0,0,.6)}#elevationCursorLine{position:absolute;top:12px;bottom:0;left:0;width:2px;transform:translate(-50%);background:var(--accent);box-shadow:0 0 4px #ff8a3db3}#cutMarkers{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.cut-marker{position:absolute;top:0;bottom:0;width:2px;transform:translate(-50%);background:#ffffffd9}#segmentHighlight{position:absolute;top:0;bottom:0;background:#ff2d2d47;pointer-events:none}.trim-btn{position:absolute;top:-34px;left:0;flex:0 0 auto;width:28px;height:28px;padding:0;display:flex;align-items:center;justify-content:center;border-radius:50%;background:#14161ad9;border:1px solid var(--border);color:var(--text);font-size:13px;font-weight:700;line-height:1;transform:translate(-50%);z-index:6;pointer-events:auto}.trim-btn:hover{background:#ffffff2e}#splitCutBtn{border-color:var(--accent);color:var(--accent)}#deleteSegmentBtn{border-color:#ff2d2de6}#resetCutsBtn{left:auto;right:4px;top:4px;transform:none}#geoLabel{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:6;padding:.5em .9em;background:#14161a8c;border:2px solid rgba(255,45,45,.9);border-radius:10px;color:#fff;font-size:5.5vw;font-weight:700;white-space:nowrap;pointer-events:none;transition:opacity .2s ease}@media (min-width: 900px){#geoLabel{font-size:3vw}}#panel{position:absolute;top:16px;left:16px;width:300px;max-width:calc(100vw - 32px);background:var(--panel-bg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border);border-radius:12px;padding:16px;z-index:10;box-shadow:0 8px 24px #0006}#panelHeader{align-items:center;margin-bottom:12px}#panelHeader img#appLogo{flex:0 0 auto;width:24px;height:24px;border-radius:6px}#panelHeader h1{flex:1;margin:0;font-size:18px;letter-spacing:.02em;color:var(--accent);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}#panelHeader button{flex:0 0 auto}.icon-btn{padding:8px 10px}#panel.collapsed #panelBody{display:none}.hidden{display:none!important}#dropzone{border:2px dashed var(--border);border-radius:10px;padding:20px 12px;text-align:center;color:var(--text-dim);font-size:13px;transition:border-color .15s ease,background .15s ease}#dropzone.dragover{border-color:var(--accent);background:#ff8a3d14}#heroLogo{display:block;width:192px;height:192px;margin:0 auto 12px;border-radius:42px;box-shadow:0 6px 20px #00000059}.button{display:inline-block;margin-top:8px;padding:6px 14px;border-radius:6px;background:var(--accent);color:#14100c;font-weight:600;font-size:13px;cursor:pointer;border:none}#trackInfo{margin-top:10px;font-size:12px;color:var(--text-dim)}#controls{margin-top:14px;display:flex;flex-direction:column;gap:10px}.row{display:flex;align-items:center;gap:8px}button{background:#ffffff0f;color:var(--text);border:1px solid var(--border);border-radius:8px;padding:8px 12px;font-size:13px;cursor:pointer;flex:1}button:hover{background:#ffffff1f}button.active{border-color:var(--accent-2);color:var(--accent-2)}select{flex:1;background:#ffffff0f;color:var(--text);border:1px solid var(--border);border-radius:8px;padding:6px 8px;font-size:13px}select option{background:#1a2029;color:var(--text)}label{font-size:12px;color:var(--text-dim);white-space:nowrap}input[type=range]{flex:1;accent-color:var(--accent)}#timeLabel,#chaseDistanceLabel{font-size:12px;color:var(--text-dim);white-space:nowrap}#recordStatus{font-size:12px;color:var(--accent-2)}.cesium-viewer-toolbar{top:auto!important;bottom:8px}