body{margin:0;font-family:Arial;background:#0b1220;color:#fff}
.sidebar{width:300px;background:#0f172a;padding:15px}
#map{height:100vh;width:100%}
.card{background:#1f2937;padding:10px;margin-bottom:10px;border-radius:10px}
button,input,select{width:100%;padding:8px;margin:5px 0;border-radius:6px;border:none}
button{background:#2563eb;color:#fff;cursor:pointer}
.route-item{display:flex;justify-content:space-between;background:#111827;padding:6px;margin:5px 0;border-radius:6px}
.legend div{margin:4px 0}