:root,html[data-theme=light]{--bal-bg:#faf8f5;--bal-card:#ffffff;--bal-text:#0f172a;--bal-text-secondary:#64748b;--bal-text-muted:#94a3b8;--bal-purple:#6c5ce7;--bal-purple-dark:#5a4bd1;--bal-purple-soft:#ede9fe;--bal-green:#16a34a;--bal-green-soft:#dcfce7;--bal-red:#e11d48;--bal-red-soft:#ffe4e6;--bal-border:rgba(15,23,42,0.06);--bal-shadow:0 8px 28px rgba(15,23,42,0.07);--bal-shadow-sm:0 2px 12px rgba(15,23,42,0.05);--bal-owe-card-bg:linear-gradient(160deg,#fff1f2,#ffffff 55%);--bal-receive-card-bg:linear-gradient(160deg,#f0fdf4,#ffffff 55%);--bal-optimal-bg:linear-gradient(135deg,#f0fdf4,#ecfdf5 55%,#dcfce7);--bal-optimal-border:rgba(22,163,74,0.12)}html[data-theme=dark]{--bal-bg:transparent;--bal-card:#1e293b;--bal-text:#ffffff;--bal-text-secondary:#cbd5e1;--bal-text-muted:#94a3b8;--bal-purple:#8b7cf7;--bal-purple-dark:#7c6cf0;--bal-purple-soft:rgba(139,124,247,0.22);--bal-green:#4ade80;--bal-green-soft:rgba(74,222,128,0.16);--bal-red:#fb7185;--bal-red-soft:rgba(251,113,133,0.16);--bal-border:rgba(255,255,255,0.08);--bal-shadow:0 8px 28px rgba(0,0,0,0.35);--bal-shadow-sm:0 2px 12px rgba(0,0,0,0.25);--bal-owe-card-bg:linear-gradient(160deg,rgba(251,113,133,0.18),#1e293b 60%);--bal-receive-card-bg:linear-gradient(160deg,rgba(74,222,128,0.16),#1e293b 60%);--bal-optimal-bg:linear-gradient(135deg,rgba(74,222,128,0.14),rgba(30,41,59,0.95));--bal-optimal-border:rgba(74,222,128,0.22)}