.private-transfer-tabs{display:flex;gap:.5rem;margin:0 0 1rem;border-bottom:1px solid var(--line);padding-bottom:.65rem}
.private-transfer-tab{border:0;background:transparent;padding:.55rem .9rem;border-radius:.55rem;font:inherit;font-weight:700;cursor:pointer;color:var(--muted)}
.private-transfer-tab.active{background:var(--panel-strong);color:var(--text)}
.private-books-toolbar{display:flex;gap:.65rem;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-bottom:.8rem}
.private-books-actions,.private-book-filters,.private-books-view-toggle{display:flex;gap:.45rem;flex-wrap:wrap;align-items:center}
.private-books-search{display:flex;gap:.45rem;flex:1;min-width:260px}
.private-books-search input{min-width:180px;flex:1}
.private-book-filters{margin-bottom:.75rem}
.private-books-view-toggle{padding:.2rem;border:1px solid var(--line);border-radius:.7rem;background:rgba(4,12,19,.28)}
.private-books-view-toggle .button{min-height:30px;padding:.35rem .65rem;border-color:transparent}
.private-books-view-toggle .button.active{color:var(--accent-ink);background:var(--accent);border-color:var(--accent)}
.private-book-results{display:grid;gap:7px;min-width:0}
.private-book-results[data-view="grid"]{grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:18px}
.private-book-tile{min-width:0;border:1px solid var(--line);border-radius:16px;background:var(--panel);overflow:hidden;box-shadow:0 12px 32px rgba(0,0,0,.16);transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}
.private-book-tile:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.private-book-grid-cover{position:relative;width:100%;aspect-ratio:2/3;display:grid;place-items:center;overflow:hidden;border:0;padding:0;font:inherit;color:var(--muted);background:linear-gradient(145deg,#183c31,#14283d)}
.private-book-grid-cover img{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:contain}
.private-book-grid-placeholder{font-size:.78rem;font-weight:850;letter-spacing:.08em;color:rgba(255,255,255,.72)}
.private-book-grid-meta{display:grid;gap:.3rem;padding:13px 14px 15px;min-width:0}
.private-book-grid-name{display:block;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.private-book-grid-details{color:var(--muted);font-size:.76rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.private-book-grid-actions{display:flex;gap:.45rem;flex-wrap:wrap;margin-top:.35rem}
.private-book-grid-actions .button{flex:1 1 auto}
.private-book-hash{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.02em}
.private-book-duplicate{color:var(--accent);font-weight:800}
.private-book-clickable{cursor:pointer}
.private-book-link{display:block;width:100%;border:0;background:transparent;color:inherit;padding:0;text-align:left;font:inherit;font-weight:inherit;cursor:pointer}
.private-book-link:hover{color:var(--accent)}
.private-book-detail-pane{min-width:0}
.private-book-detail-top{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.private-book-detail-layout{display:grid;grid-template-columns:minmax(210px,300px) minmax(0,1fr);gap:22px;align-items:start}
.private-book-detail-cover-column{display:flex;flex-direction:column;gap:10px;min-width:0}
.private-book-detail-cover{width:100%;max-width:300px;aspect-ratio:2/3;display:grid;place-items:center;overflow:hidden;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,#183c31,#14283d);box-shadow:0 16px 42px rgba(0,0,0,.2)}
.private-book-detail-cover img{width:100%;height:100%;display:block;object-fit:contain}
.private-book-detail-cover-placeholder{font-size:.9rem;font-weight:850;letter-spacing:.08em;color:rgba(255,255,255,.72)}
.private-book-detail-actions{display:grid;gap:8px;width:100%;max-width:300px}
.private-book-detail-actions .button{width:100%}
.private-book-detail-panel{min-width:0;padding:22px;border:1px solid var(--line);border-radius:18px;background:var(--panel);box-shadow:0 12px 32px rgba(0,0,0,.14)}
.private-book-detail-eyebrow{color:var(--accent);font-size:.76rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.private-book-detail-title{font-size:clamp(1.8rem,4vw,3rem);line-height:1.02;letter-spacing:-.04em;margin:.25rem 0 0}
.private-book-detail-author{color:var(--muted);font-size:1.02rem;margin:8px 0 22px}
.private-book-detail-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.private-book-detail-field{padding:14px;background:var(--panel);min-width:0}
.private-book-detail-field span{display:block;color:var(--muted);font-size:.72rem;font-weight:900;letter-spacing:.05em;text-transform:uppercase;margin-bottom:5px}
.private-book-detail-field strong,.private-book-detail-field code{display:block;overflow-wrap:anywhere;word-break:break-word;font-size:.88rem}
.private-book-detail-note{margin-top:16px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;color:var(--muted);background:rgba(4,12,19,.22);font-size:.84rem;line-height:1.45;white-space:pre-wrap}
.private-book-upload-history{display:grid;gap:.45rem;margin-top:16px}
.private-book-upload-history h3{margin:0 0 .2rem;font-size:1rem}
.private-book-upload-item{padding:.65rem .75rem;border:1px solid var(--line);border-radius:.7rem;background:rgba(4,12,19,.22);overflow-wrap:anywhere;color:var(--muted);font-size:.82rem}
.private-book-list-row .file-cover{font-size:.58rem;font-weight:850;letter-spacing:.02em}.private-book-list-row button.file-cover{padding:0;font:inherit;color:inherit}
.private-book-list-row .file-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.private-books-empty{grid-column:1/-1;margin:0;padding:28px 16px;text-align:center;border:1px dashed var(--line-strong);border-radius:12px;color:var(--muted)}
@media(max-width:760px){.private-books-toolbar{align-items:stretch}.private-books-search{min-width:100%}.private-books-actions{width:100%}.private-books-view-toggle{margin-right:auto}.private-book-results[data-view="grid"]{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.private-book-grid-meta{padding:10px 11px 12px}.private-book-detail-layout{grid-template-columns:1fr}.private-book-detail-cover-column{align-items:center}.private-book-detail-cover,.private-book-detail-actions{width:min(280px,100%)}.private-book-detail-fields{grid-template-columns:1fr}.private-book-detail-panel{padding:16px}}