/* Shared presentation for page startup, workspace refresh and uploader tasks. */
@media screen {
  body[data-auth-loading="true"] { overflow: hidden; }
  /* Keep protected content hidden until authorization has completed. */
  body[data-auth-loading="true"]:not([data-workspace-loading="panel"]) > :not(#coastal-auth-loader) { visibility: hidden; }
  #coastal-auth-loader[hidden], #coastal-loader-retry[hidden], .background-progress[hidden] { display: none; }
  #coastal-auth-loader, .background-progress {
    position: fixed; inset: 0; z-index: 2147483000;
    display: grid; place-items: center; box-sizing: border-box; padding: 24px;
    background: rgba(32, 22, 27, .18);
    backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px);
    color: #292d30;
    font: 400 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  }
  .coastal-loader-content, .background-progress-inner {
    display: flex; flex-direction: column; gap: 16px;
    width: min(440px, 100%); min-width: 0; box-sizing: border-box;
    padding: 28px 30px; border: 1px solid rgba(255, 255, 255, .8);
    border-radius: 16px; background: rgba(255, 255, 255, .98);
    box-shadow: 0 20px 70px rgba(42, 19, 28, .18); text-align: center;
    animation: coastal-progress-appear 160ms ease-out;
  }
  .background-progress-content { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
  .coastal-loader-caption, .background-progress-content strong {
    order: -1; margin: 0; color: #292d30;
    font: 600 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    white-space: normal; overflow-wrap: anywhere;
  }
  .coastal-loader-track, .background-progress-track {
    width: 100%; height: 5px; overflow: hidden; border-radius: 10px; background: #eadde0;
  }
  .coastal-loader-fill, .background-progress-track span {
    display: block; width: 0; height: 100%; border-radius: inherit;
    background: #8a1028; transition: width 180ms linear;
  }
  .coastal-loader-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
  #coastal-loader-retry { align-self: center; display: inline-flex; align-items: center; justify-content: center; min-height: 36px; margin: 0; padding: 7px 14px; border: 1px solid #d4dbe0; border-radius: 4px; background: #fff; color: #8a1028; font: 500 14px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; cursor: pointer; }
  #coastal-loader-retry:hover { background: #faf3f5; }
  #coastal-loader-retry:focus-visible { outline: 2px solid #247178; outline-offset: 3px; }
  body[data-workspace-loading="background"] #coastal-auth-loader { pointer-events: none; }
  body[data-workspace-loading="background"] #coastal-loader-retry { pointer-events: auto; }
  @keyframes coastal-progress-appear { from { opacity: 0; transform: translateY(6px) scale(.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
  @media (prefers-reduced-motion: reduce) {
    .coastal-loader-content, .background-progress-inner { animation: none; }
    .coastal-loader-fill, .background-progress-track span { transition: none; }
  }
}
/* Counter the uploader's desktop content scale so its loader matches other pages. */
@media screen and (min-width: 1101px) {
  html.uploader-document #coastal-auth-loader,
  html.uploader-document .background-progress { zoom: 1.25; }
}
@media print { #coastal-auth-loader, .background-progress { display: none !important; } }