/* PDF旋转删除工具 */
.pdfr-grid { display: grid; grid-template-columns: 360px minmax(0, 1fr); gap: 20px; align-items: start; }
.pdfr-panel { background: var(--bg); border: 1px solid var(--rule); border-radius: var(--radius-md); padding: 20px; }
.pdfr-section { margin-bottom: 20px; }
.pdfr-section:last-child { margin-bottom: 0; }
.pdfr-section h3 { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: .95rem; margin: 0 0 12px; }
.pdfr-section h3 > span { display: inline-flex; align-items: center; gap: 6px; }
.pdfr-section h3 i { color: var(--accent); }

.pdfr-upload { border: 2px dashed var(--rule); border-radius: var(--radius-md); padding: 30px 16px; text-align: center; cursor: pointer; transition: all .2s ease; background: var(--bg2); }
.pdfr-upload:hover, .pdfr-upload.dragover { border-color: var(--accent); background: var(--accent-soft); }
.pdfr-upload i:first-child { font-size: 2rem; color: var(--accent); }
.pdfr-upload p { margin: 10px 0 6px; font-weight: 600; }
.pdfr-hint { font-size: .8rem; color: var(--muted); }

.pdfr-fileinfo { margin-top: 12px; display: flex; flex-direction: column; gap: 2px; padding: 10px 12px; background: var(--bg2); border: 1px solid var(--rule); border-radius: var(--radius-sm); }
.pdfr-filemeta { font-size: .82rem; color: var(--muted); word-break: break-all; }
.pdfr-filemeta:first-child { color: var(--ink); font-weight: 600; }

.pdfr-cheats { font-size: .8rem; color: var(--muted); background: var(--accent-soft); border-radius: var(--radius-sm); padding: 10px 12px; margin-bottom: 12px; line-height: 1.5; }
.pdfr-bulk { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.pdfr-bulk > span { font-size: .82rem; color: var(--muted); margin-right: auto; }
.pdfr-tip { margin-top: 16px; display: flex; gap: 8px; padding: 10px 14px; background: var(--accent-soft); border-radius: var(--radius-sm); font-size: .82rem; color: var(--muted); align-items: flex-start; }
.pdfr-tip i { color: var(--accent); margin-top: 2px; flex-shrink: 0; }

.pdfr-actions { display: flex; gap: 10px; flex-direction: column; }
.pdfr-actions .btn { justify-content: center; }
.pdfr-actions .btn-primary:disabled { opacity: .5; cursor: not-allowed; }

.btn-xs { padding: 4px 10px; font-size: .76rem; }

.pdfr-gridpages { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
.pdfr-placeholder { grid-column: 1 / -1; text-align: center; color: var(--muted); padding: 60px 0; }
.pdfr-placeholder i { font-size: 3rem; color: var(--accent); display: block; margin-bottom: 12px; opacity: .7; }

.pdfr-pagecard { position: relative; border: 2px solid var(--rule); border-radius: var(--radius-sm); overflow: hidden; background: var(--bg2); cursor: pointer; transition: border-color .15s ease; }
.pdfr-pagecard:hover { border-color: var(--accent); }
.pdfr-pagecard.selected { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.pdfr-pagecard.deleted { opacity: .45; border-color: #e11d48; background: repeating-linear-gradient(45deg, var(--bg2), var(--bg2) 6px, rgba(225,29,72,.06) 6px, rgba(225,29,72,.06) 12px); }
.pdfr-thumbwrap { width: 100%; aspect-ratio: 1 / 1.414; display: flex; align-items: center; justify-content: center; background: #fff; }
.pdfr-thumbwrap canvas { max-width: 100%; max-height: 100%; display: block; }
.pdfr-blankpage { width: 100%; aspect-ratio: 1 / 1.414; display: flex; align-items: center; justify-content: center; color: var(--muted); background: #fff; font-size: .8rem; gap: 6px; }
.pdfr-blankpage i { font-size: 1.4rem; }
.pdfr-pagerotate { position: absolute; top: 6px; right: 6px; display: flex; gap: 3px; background: rgba(0,0,0,.55); border-radius: 6px; padding: 2px; }
.pdfr-pagerotate button { width: 22px; height: 22px; display: inline-flex; align-items: center; justify-content: center; background: transparent; color: #fff; border: none; border-radius: 4px; cursor: pointer; font-size: .75rem; }
.pdfr-pagerotate button:hover { background: rgba(255,255,255,.2); }
.pdfr-pagedelete { position: absolute; bottom: 6px; right: 6px; width: 24px; height: 24px; display: inline-flex; align-items: center; justify-content: center; background: #e11d48; color: #fff; border: none; border-radius: 6px; cursor: pointer; font-size: .8rem; }
.pdfr-pagedelete:hover { background: #be123c; }
.pdfr-pagenum { position: absolute; left: 6px; bottom: 6px; font-size: .72rem; color: #fff; background: rgba(0,0,0,.55); padding: 2px 7px; border-radius: 999px; }
.pdfr-rotatebadge { position: absolute; left: 6px; top: 6px; font-size: .68rem; color: #fff; background: var(--accent); padding: 1px 6px; border-radius: 999px; }
.pdfr-undotoast { position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 12px 18px; border-radius: var(--radius-md); display: flex; align-items: center; gap: 14px; box-shadow: 0 10px 30px rgba(0,0,0,.25); z-index: 99; font-size: .85rem; }
.pdfr-undotoast button { background: transparent; border: none; color: var(--accent); font-weight: 600; cursor: pointer; padding: 0; }

@media (max-width: 900px) {
  .pdfr-grid { grid-template-columns: 1fr; }
}