*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;color:#18212f;background:#f7f8fb}
header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;border-bottom:1px solid #e6e8ef;background:#fff;position:sticky;top:0;z-index:10}
h1{margin:0;font-size:1.25rem}
main{display:grid;grid-template-columns:1fr 380px;height:calc(100vh - 70px)}
#map{width:100%;height:100%}
#sidebar{overflow:auto;border-left:1px solid #e6e8ef;background:#fff;padding:12px 12px 80px}
#sidebar h2{font-size:1rem;margin:12px 0}
.kv{display:flex;align-items:center;justify-content:space-between;padding:6px 8px;border:1px solid #e6e8ef;border-radius:8px;margin-bottom:8px;background:#fafbff}
.kv strong{font-variant-numeric:tabular-nums}
#controls .row{display:flex;gap:8px;margin:8px 0}
button{padding:8px 12px;border-radius:10px;border:1px solid #ccd2de;background:#f0f3fa;cursor:pointer}
button:disabled{opacity:.6;cursor:not-allowed}
.hidden{display:none}
.uploader{display:flex;gap:8px;align-items:center}
#pointInfo .kv{background:#fefefe}
footer{position:fixed;bottom:0;left:0;right:0;padding:6px 12px;border-top:1px solid #e6e8ef;background:#fff;text-align:center}
.leaflet-popup-content{font-size:.9rem}
.marker-current{border:2px solid #333;width:14px;height:14px;border-radius:50%;background:#fff}
#seekBar{margin:6px 0}
#seek{width:100%}