#snnv-playground { font-size: .9rem; }
#snnv-playground .pg-grid2 { display: grid; grid-template-columns: 1fr 1fr;
  gap: 1rem; align-items: start; }
@media (max-width: 620px) { #snnv-playground .pg-grid2 { grid-template-columns: 1fr; } }
#snnv-playground .pg-panel { border: 1px solid #e7e0f3; border-radius: 10px; padding: .7rem; }
#snnv-playground .pg-panel h4 { margin: 0 0 .5rem; font-size: .8rem; text-transform: uppercase;
  letter-spacing: .04em; opacity: .7; }
#snnv-playground canvas { width: 100%; display: block; touch-action: none; }
#snnv-playground #pg-input  { aspect-ratio: 1 / 1; }
#snnv-playground #pg-output { aspect-ratio: 1 / 1; }
#snnv-playground #pg-mem    { aspect-ratio: 16 / 10; }
#snnv-playground #pg-raster { aspect-ratio: 16 / 9; }
#snnv-playground .pg-controls { display: flex; align-items: center; gap: .8rem; margin: .6rem 0; flex-wrap: wrap; }
#snnv-playground .pg-controls label { font-size: .82rem; opacity: .85; }
#snnv-playground .pg-controls input[type=range] { vertical-align: middle; width: 90px; }
#snnv-playground .pg-btn { font-size: .76rem; padding: .22rem .6rem; border-radius: 7px; cursor: pointer;
  border: 1px solid #d0c4ec; background: #f5f1fb; color: #5e35b1; font-weight: 600; }
#snnv-playground .pg-btn:hover { background: #ede7f6; }
#snnv-playground #pg-info { font-variant-numeric: tabular-nums; opacity: .65; font-size: .78rem; }
#snnv-playground .pg-verdict-row { margin: .1rem 0 .7rem; min-height: 1.9rem; }
#snnv-playground .pg-verdict { font-weight: 700; padding: .3rem .7rem; border-radius: 8px; display: inline-block; }
#snnv-playground .pg-verdict.ok  { background: #e8f5e9; color: #2e7d32; }
#snnv-playground .pg-verdict.bad { background: #ffebee; color: #c62828; }
#snnv-playground .pg-sub { font-size: .72rem; opacity: .6; margin: .35rem 0 0; line-height: 1.3; }
#snnv-playground .pg-note { font-size: .82rem; opacity: .75; margin-top: .8rem; }