.ff {
    --ff-bg: #ffffff;
    --ff-card: #ffffff;
    --ff-text: #334155;
    --ff-muted: #64748b;
    --ff-line: #c5d4e0;
    --ff-line-soft: #e8eef3;
    --ff-accent: #3b82c4;
    --ff-accent-soft: #e8f3fb;
    --ff-up: #16a34a;
    --ff-down: #dc2626;
    --ff-radius: 12px;
}