.dssf-box{margin:28px 0;padding:22px;border:1px solid rgba(0,0,0,.14);border-radius:12px;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.04)}
.dssf-box h2{margin:0 0 8px;font-size:1.35em}.dssf-box p{margin:0 0 16px}.dssf-actions{display:flex;gap:10px;flex-wrap:wrap}.dssf-btn{display:inline-block;padding:11px 16px;border:1px solid currentColor;border-radius:8px;text-decoration:none;font-weight:600}.dssf-btn:hover{text-decoration:underline}

/* 1.4 simulator-friendly responsive behavior */
.dssf-actions{display:flex;flex-wrap:wrap;gap:10px}
.dssf-btn{display:inline-block;text-align:center}
@media (max-width: 600px){
  .dssf-actions{display:block}
  .dssf-btn{display:block;width:100%;box-sizing:border-box;margin:8px 0}
}
.dssf-sim-empty{padding:18px;border:1px dashed #a7aaad;background:#fff}