*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-family:system-ui,sans-serif}#map{position:absolute;inset:0;z-index:0}#panel{position:absolute;top:16px;left:16px;z-index:1000;background:#fff;padding:16px;border-radius:10px;box-shadow:0 2px 12px #00000040;display:flex;flex-direction:column;gap:8px;width:280px}#panel h2{font-size:16px;font-weight:700;color:#1e293b}#panel label{font-size:12px;font-weight:600;color:#64748b;text-transform:uppercase;letter-spacing:.5px}.coord-row{display:flex;gap:6px}#panel input{flex:1;border:1px solid #e2e8f0;border-radius:6px;padding:7px 8px;font-size:13px;outline:none;transition:border-color .15s}#panel input:focus{border-color:#2563eb}#panel button{background:#2563eb;color:#fff;border:none;border-radius:6px;padding:10px;cursor:pointer;font-size:14px;font-weight:600;transition:background .15s}#panel button:hover{background:#1d4ed8}#panel button:disabled{background:#94a3b8;cursor:not-allowed}#route-info{font-size:13px;color:#334155;line-height:1.6;min-height:20px}#route-info.error{color:#dc2626}#route-info.success{color:#16a34a;font-weight:600}