html.is-dark {
    color-scheme: dark;
}
html.is-dark body {
    --bg: #07111f;
    --card: rgba(15, 23, 42, 0.86);
    --text: #e5eefc;
    --muted: #9ca3af;
    --line: #263344;
    --brand: #60a5fa;
    --brand-2: #2dd4bf;
    background: radial-gradient(circle at top left, rgba(37, 99, 235, 0.30), transparent 36%), var(--bg);
}
html.is-dark input,
html.is-dark select,
html.is-dark textarea {
    background: #0f172a;
    color: var(--text);
}
html.is-dark .topbar {
    background: rgba(15, 23, 42, 0.75);
}