.edition-cover { position: relative; flex: 0 0 76px; width: 76px; aspect-ratio: 2 / 3; background: var(--green); color: var(--paper); border-radius: 2px 5px 5px 2px; box-shadow: 2px 4px 8px var(--shadow); overflow: hidden; }
.edition-cover-fallback { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 8px; text-align: center; font: .7rem/1.3 Georgia, serif; }
.edition-cover-fallback small { color: inherit; font-size: .6rem; }
.edition-cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; }
.edition-cover--loaded img { opacity: 1; }
.external-book > div:not(.edition-cover) { flex: 1; }
.external-books:has([aria-busy]), .external-books[aria-busy=true] { min-height: 120px; }
.book-add { max-width: 1050px; margin: auto; }
.book-add-heading { display: flex; gap: 24px; align-items: center; justify-content: space-between; margin: 30px 0; }
.book-add-heading h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin: 8px 0 12px; }
.book-add-heading p { color: var(--muted); }
.book-add-heading img { object-fit: contain; image-rendering: pixelated; }
.book-add-layout { display: grid; grid-template-columns: minmax(0, 260px) minmax(0, 1fr); gap: 56px; }
.book-add-preview { text-align: center; padding: 20px 10px; }
.book-add-preview .edition-cover { width: min(180px, 100%); margin: 0 auto 24px; }
.book-add-preview h2 { font-size: 1.25rem; line-height: 1.3; }
.book-add-preview small { display: block; margin-top: 8px; color: var(--muted); font-size: .75rem; }
.book-add-handnote { font: italic 1.1rem/1.6 Georgia, serif; color: var(--green); margin-top: 30px; }
.book-add-options { padding: 24px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); }
.book-add-options summary { cursor: pointer; color: var(--green); padding: 8px 0; }
.book-add-metadata { margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.book-add-destination #catalogue_destination { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.book-add-destination label { font-weight: 600; }
.book-add-dates { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.book-add-flags { padding-block: 12px; }
.book-add-collections { border-block: 1px solid var(--line); padding: 20px 0; margin: 8px 0 24px; }
.book-add-collections h2 { font-size: 1.35rem; margin: 0 0 8px; }
.book-add-collections p { font-size: .88rem; color: var(--muted); }
.book-add-create { display: flex; align-items: center; gap: 10px; }
.book-add-create input { min-width: 0; flex: 1; }
.book-add-create .button { font-size: .85rem; }
.book-add-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; }
.book-add-submit { min-height: 46px; padding: .7rem 1.1rem; background: var(--green); border-color: var(--green); color: var(--paper); font-size: 1rem; box-shadow: none; }
.book-add-submit:hover { background: color-mix(in srgb, var(--green) 85%, black); border-color: color-mix(in srgb, var(--green) 85%, black); color: var(--paper); }
.book-add-help { flex: 1 1 200px; max-width: 32ch; margin: 0; color: var(--muted); font-size: var(--text-small); line-height: 1.5; }
@media(max-width: 650px) {
 .external-book { display: grid; grid-template-columns: 66px minmax(0, 1fr); gap: 12px; }
 .external-book .edition-cover { width: 66px; grid-row: 1 / 3; }
 .external-book > .button { grid-column: 2; justify-self: start; }
 .book-add-layout { grid-template-columns: minmax(0, 1fr); gap: 16px; }
 .book-add-heading { margin: 20px 0; gap: 12px; }
 .book-add-heading img { width: 48px; height: 48px; }
 .book-add-preview .edition-cover { width: 100px; margin-bottom: 12px; }
 .book-add-preview { padding: 0; }
 .book-add-handnote { display: none; }
 .book-add-options { padding: 18px; }
 .book-add-dates { grid-template-columns: minmax(0, 1fr); gap: 0; }
 .book-add-create { align-items: stretch; flex-direction: column; }
 .book-add-submit { width: 100%; }
 .book-add-help { max-width: none; text-align: center; }
}
@media(max-width: 650px) {
 .book-add-preview { display: grid; grid-template-columns: 90px minmax(0, 1fr); column-gap: 18px; align-content: start; text-align: left; }
 .book-add-preview .edition-cover { width: 90px; grid-row: 1 / 5; margin: 0; }
 .book-add-preview h2 { font-size: 1.05rem; margin: 0; }
 .book-add-preview p { font-size: .85rem; margin: 6px 0 0; }
 .book-add-preview small { font-size: .65rem; margin-top: 6px; }
 .book-add-heading > div { min-width: 0; }
 .book-add-heading img { flex-shrink: 0; }
}