.preview-frame{background:#fff;border:1px solid #e3e3e3;border-radius:8px;position:relative;overflow:hidden}.preview-frame iframe{border:0;display:block}.bulk-bar{z-index:10;background:#fff;border-radius:12px;justify-content:space-between;align-items:center;gap:12px;margin-top:16px;padding:12px 16px;display:flex;position:sticky;bottom:16px;box-shadow:0 4px 16px #00000026}.dev-nav{background:#fff;border-bottom:1px solid #e3e3e3;flex-wrap:wrap;align-items:center;gap:8px;padding:8px 16px;display:flex}.dev-save-bar{z-index:20;color:#fff;background:#1a1a1a;justify-content:flex-end;align-items:center;gap:8px;padding:8px 16px;display:flex;position:sticky;top:0}.dev-save-bar span{margin-right:auto}