.sykb-wrap {
  max-width: 32rem;
  margin: 0 auto;
  font-family: system-ui, sans-serif;
}

.sykb-wrap.sykb-mode-preview {
  max-width: 56rem;
}

.sykb-card {
  padding: 1.5rem;
  background: #fff;
  border-radius: 1rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  border: 1px solid #f1f5f9;
}

.sykb-intro h2 {
  margin: 0 0 0.25rem;
  font-size: 1.35rem;
  text-align: center;
}

.sykb-intro p {
  margin: 0 0 1.25rem;
  font-size: 0.875rem;
  color: #64748b;
  text-align: center;
}

.sykb-preview:not([hidden]) {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(11rem, 15.5rem);
  gap: 1rem 1.5rem;
  align-items: start;
}

.sykb-preview__frame {
  background: #300d13;
  border: 1px solid #4a151c;
  border-radius: 0.75rem;
  padding: 0.5rem;
  text-align: center;
  line-height: 0;
}

.sykb-preview__frame img {
  max-width: 100%;
  max-height: min(78vh, 680px);
  width: auto;
  height: auto;
  border-radius: 0.5rem;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
  vertical-align: middle;
}

.sykb-preview__aside {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.sykb-preview__aside h2 {
  margin: 0;
  font-size: 1.25rem;
  line-height: 1.3;
  color: #111827;
  text-align: left;
}

.sykb-preview__aside .sykb-preview__lead {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.45;
  color: #64748b;
  text-align: left;
}

.sykb-preview__aside h3 {
  margin: 0.25rem 0 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: #111827;
  text-align: left;
}

.sykb-preview__actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.sykb-preview__actions button {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9375rem;
}

#sykb-download {
  border: none;
  background: #7f1d1d;
  color: #fff;
}

#sykb-reset {
  border: 1px solid #cbd5e1;
  background: #fff;
  color: #334155;
}

@media (max-width: 640px) {
  .sykb-wrap.sykb-mode-preview {
    max-width: 32rem;
  }

  .sykb-preview:not([hidden]) {
    grid-template-columns: 1fr;
  }

  .sykb-preview__frame img {
    max-height: min(55vh, 520px);
  }
}