:root {
    --bg-color: #0f172a !important; /* This is a rich, dark navy */
    --surface-color: #0f172a !important;
}

body {
    background-color: #0f172a !important;
    background-image: none !important;
}

#portal-bg, .layout {
    background-color: #0f172a !important;
}

/* Keep your card borders, they look good */
.card {
    background-color: #1e293b !important; /* Slightly lighter than background */
    border: 1px solid #334155 !important;
}