body.theme-dark {
  background: #0a0a0c;
  background-image:
    radial-gradient(circle at 20% 0%, rgba(139, 92, 246, 0.05), transparent 40%),
    radial-gradient(circle at 80% 100%, rgba(6, 182, 212, 0.04), transparent 40%);
}

body.theme-neon {
  background:
    radial-gradient(circle at 30% 20%, rgba(139, 92, 246, 0.35), transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(6, 182, 212, 0.35), transparent 50%),
    #0a0a0c;
}

body.theme-blur {
  background: #111418;
  background-image:
    radial-gradient(circle at 25% 10%, rgba(148, 163, 184, 0.08), transparent 45%),
    radial-gradient(circle at 75% 90%, rgba(100, 116, 139, 0.06), transparent 45%);
}

body.theme-midnight {
  background: linear-gradient(180deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
}

.vw-theme-card .vw-swatch.theme-dark-sw     { background: #0a0a0c; }
.vw-theme-card .vw-swatch.theme-neon-sw     { background: linear-gradient(135deg, #8b5cf6, #06b6d4); }
.vw-theme-card .vw-swatch.theme-blur-sw     { background: #111418; }
.vw-theme-card .vw-swatch.theme-midnight-sw { background: linear-gradient(180deg, #0f0c29, #302b63 50%, #24243e); }