html,
body {

    margin:0;
    padding:0;

    height:100%;
    width:100%;

    font-family: Arial, sans-serif;

    overflow:hidden;

}



#header {

    height:60px;

    background:#1f2937;

    color:white;

    display:flex;

    align-items:center;

    padding-left:20px;

}



#header h1 {

    margin:0;

    font-size:24px;

}



#layout {

    display:flex;

    height:calc(100% - 60px);

}



#panel {

    width:320px;

    background:#f8f9fa;

    border-right:1px solid #ccc;

    padding:15px;

    overflow-y:auto;

}



#panel h2 {

    margin-top:0;

}



#fleet {

    margin-top:15px;

}



.bus-card {

    background:white;

    border-radius:8px;

    padding:12px;

    margin-bottom:10px;

    box-shadow:0 1px 4px rgba(0,0,0,0.2);

}



.bus-title {

    font-size:18px;

    font-weight:bold;

}



.status-online {

    color:green;

    font-weight:bold;

}



.status-offline {

    color:red;

    font-weight:bold;

}



.info-line {

    margin-top:5px;

}



#map {

    flex:1;

    height:100%;

}



.bus-marker {

    width:40px;

    height:40px;

}