body.dark{

    --background:#111827;

    --surface:#1f2937;

    --text:#f9fafb;

    --text-light:#d1d5db;

    --border:#374151;

}

body.dark .top-bar{

    background:#1f2937;

}

body.dark .sidebar{

    background:#1f2937;

}

body.dark .card{

    background:#1f2937;

    color:white;

}

body.dark .tabs-content{

    background:#1f2937;

}

body.dark table{

    color:white;

}

body.dark tbody tr:nth-child(even){

    background:#374151;

}

body.dark input,
body.dark select{

    background:#374151;

    color:white;

    border-color:#4b5563;

}