.startup-preview {
  position: fixed;
  z-index: 800;
  left: max(12px, env(safe-area-inset-left));
  bottom: max(12px, env(safe-area-inset-bottom));
  max-width: calc(100vw - 24px);
  max-height: 75vh;
  overflow: auto;
  background: #faf6ed;
  color: #12382e;
  border: 1px solid #a68845;
  border-radius: 7px;
  box-shadow: 0 5px 20px #092d2030;
  font: 500 14px/1.4 var(--op-sans, Arial, sans-serif);
}
.startup-preview * { box-sizing: border-box; }
.startup-preview summary {
  padding: 10px 15px;
  background: #0b3d31;
  color: #f8f4eb;
  cursor: pointer;
}
.startup-preview-controls {
  width: min(270px, calc(100vw - 28px));
  padding: 11px 14px 13px;
}
.startup-preview label { display: grid; gap: 4px; font-size: 12px; }
.startup-preview select {
  width: 100%;
  min-width: 0;
  font: inherit;
  padding: 7px 5px;
  background: white;
  border: 1px solid #b7a47b;
  border-radius: 3px;
  color: #102f29;
}
.startup-preview [role="group"] { display: flex; gap: 5px; margin-block: 9px 6px; }
.startup-preview button {
  flex: 1;
  min-height: 35px;
  padding: 4px 8px;
  background: transparent;
  color: #12382e;
  border: 1px solid #b7a47b;
  border-radius: 3px;
  font: inherit;
  cursor: pointer;
}
.startup-preview button[aria-pressed="true"] { background: #123f33; color: white; }
.startup-preview output { font-size: 12px; color: #555344; }
.startup-preview :focus-visible { outline: 2px solid #b88723; outline-offset: 1px; }
@media print {
  .startup-preview { display: none; }
}