.managed-button-zone {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.section-button-zone { margin-top: 30px; }
.form > .managed-button-zone {
  display: grid;
  gap: 14px;
}
.layout-hidden { display: none !important; }
[hidden] { display: none !important; }

/* Prevent the built-in fallback theme from flashing before saved settings load. */
html.config-loading {
  background: #0d0f0e;
}
html.config-loading body {
  visibility: hidden;
  animation: reveal-config-fallback 0s 4s forwards;
}
@keyframes reveal-config-fallback { to { visibility: visible; } }