dialog.collection-upload { padding: 0; font-family: var(--font-ui); font-size: 15px; line-height: 1.7; }
dialog.collection-upload[open] { display: block; }
.collection-upload .record-header { max-width: 1280px; margin: 0 auto; }
.collection-upload .record-close { white-space: nowrap; }
.collection-upload .record-title { font: 22px/1.5 var(--font-ui); margin: 12px 0 0; }
dialog.collection-upload form.collection-upload-form { position: static; inset: auto; padding: 16px clamp(20px, 4vw, 64px) max(48px, env(safe-area-inset-bottom)); max-width: 1280px; margin: 0 auto; }
.collection-upload-layout { display: grid; grid-template-columns: minmax(220px, .7fr) minmax(0, 1.3fr); gap: clamp(32px, 7vw, 100px); align-items: start; }
.collection-upload .upload-copy { position: sticky; top: 24px; padding: 0; }
.collection-upload .file-zone { gap: 16px; }
.collection-upload .upload-note { margin-top: 28px; }
.collection-upload .upload-details { margin-top: 0; padding-top: 0; border-top: 0; }
.collection-upload .upload-details-preview:has(.upload-details-filename[hidden]) { display: none; }
.collection-upload .upload-details-workspace:has(.upload-details-filename[hidden]) { grid-template-columns: minmax(0, 1fr); }
.collection-upload-footer { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 12px 24px; }
.collection-upload-footer #upload-status { flex: 1 1 100%; margin: 0; white-space: pre-wrap; }
.collection-upload-footer #upload-status:empty { display: none; }
.collection-upload-footer .record-small { margin: 0; }
.collection-upload-footer #upload-save {
  margin-inline-start: auto; min-width: 164px; min-height: 48px; padding: 12px 28px;
  border: 1px solid var(--ink, #111); background: var(--ink, #111);
  color: var(--paper, #fafafa) !important; font: inherit; cursor: pointer;
}
.collection-upload-footer #upload-save:hover { background: var(--paper, #fafafa); color: var(--ink, #111) !important; }
.collection-upload :is(button, input, select, textarea):focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; }
.collection-upload button:disabled { opacity: .5; cursor: default; }
@media (max-width: 767px) {
  .collection-upload-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .collection-upload .upload-copy { position: static; }
  .collection-upload .file-zone > span, .collection-upload .upload-note { display: none; }
  .collection-upload .record-header { padding-bottom: 12px; }
  .collection-upload .record-title { font-size: 20px; }
  .collection-upload .upload-album-field { margin-bottom: 24px; }
  .collection-upload .upload-details { padding-top: 24px; border-top: 1px solid var(--line); }
}