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rotateY(-5deg)}.book-cover{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:3px 8px 8px 3px;overflow:hidden;background:#e9e4d8;box-shadow:0 10px 22px #46371e33;transition:box-shadow .28s ease}.book-card:hover .book-cover{box-shadow:0 18px 34px #46371e47}.book-cover img{width:100%;height:100%;object-fit:cover;display:block}.book-spine{position:absolute;left:0;top:0;bottom:0;width:9px;background:linear-gradient(90deg,#0000004d,#0000000d);z-index:3;pointer-events:none}.book-pages{position:absolute;right:-5px;top:5px;bottom:5px;width:5px;border-radius:0 2px 2px 0;background:repeating-linear-gradient(to bottom,#f4f0e7 0,#f4f0e7 2px,#e7e1d4 2px,#e7e1d4 3px);box-shadow:1px 1px 3px #00000026;z-index:0;pointer-events:none}.book-card .vis-badge.small{position:absolute;top:8px;right:10px;z-index:4;font-size:10px;padding:1px 6px}.def-cover{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;padding:22px 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button.on{color:var(--accent);font-weight:600;border-bottom-color:var(--accent)}.upload-dialog .upload-row{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.upload-dialog .upload-row input[type=file]{font-size:14px;padding:18px 14px;line-height:1.4;border:1.5px dashed var(--line);border-radius:10px;background:#fafbfc;cursor:pointer}.upload-dialog .upload-row input:not([type=file]){padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit}.upload-dialog .upload-row input:focus{outline:none;border-color:var(--accent)}.upload-dialog .mode-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text);margin-bottom:12px}.upload-dialog .mode-row label{flex:none;width:64px;color:var(--muted)}.upload-dialog .mode-row select{flex:1;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font-size:13px;background:#fff;color:var(--text)}.upload-dialog .filehint{font-size:12px;color:var(--muted);margin-bottom:10px}.upload-dialog .agree-row{display:flex;align-items:flex-start;gap:8px;font-size:12.5px;color:var(--text);margin-bottom:12px;line-height:1.6}.upload-dialog .agree-row input[type=checkbox]{margin-top:3px;flex:none}.upload-dialog .agree-link{color:var(--accent);text-decoration:none}.upload-dialog .exception-row{padding:10px 12px;border-radius:8px;background:#fff7e6;color:#9a6700;font-weight:600;margin-bottom:14px}.upload-dialog .exception-row input[type=checkbox]{margin-top:2px}.upload-dialog .upload-prog{font-size:13px;padding:10px 12px;border-radius:8px;background:#f3f6fb;color:#2f5c9a;margin-bottom:12px}.upload-dialog .upload-prog.err{background:#fdecec;color:#c0392b}.upload-dialog .upload-actions{display:flex;justify-content:flex-end;gap:10px}.upload-dialog .upload-actions button{padding:9px 18px;border-radius:8px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:14px}.upload-dialog .upload-actions button:last-child{background:var(--accent);color:#fff;border-color:var(--accent)}.upload-dialog .upload-actions button:disabled{opacity:.6;cursor:not-allowed}.upload-dialog .upload-tip{margin:14px 0 0;font-size:12px;color:var(--muted);line-height:1.5}.upload-dialog .quota{margin-bottom:14px;padding:12px 14px;border-radius:10px;background:#f3f6fb;font-size:13px;color:var(--text)}.upload-dialog .quota.warn{background:#fff7e6;color:#9a6700}.upload-dialog .quota-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.upload-dialog .quota-pts{color:var(--accent);font-weight:600}.upload-dialog .quota-note{margin-top:6px;line-height:1.5}.adm-cover{width:42px;height:60px;border-radius:3px 5px 5px 3px;overflow:hidden;cursor:pointer;box-shadow:0 2px 6px #46371e2e;position:relative;flex:none}.adm-cover img{width:100%;height:100%;object-fit:cover;display:block}.adm-cover-ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-family:Georgia,Songti SC,STSong,serif;font-size:20px;font-weight:700;color:#ffffffeb;text-shadow:0 1px 3px rgba(0,0,0,.25)}.stat-bar{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0 4px;position:sticky;top:0;z-index:8;background:var(--panel);padding:8px;border:1px solid var(--line);border-radius:10px}.stat-pill{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:66px;gap:2px;background:#eef3fb;border:1px solid #dbeafe;border-radius:10px;padding:7px 10px;cursor:pointer;color:#1d4ed8;transition:background .15s,transform .1s}.stat-pill:hover{background:#dbeafe}.stat-pill:active{transform:translateY(1px)}.stat-num{font-size:19px;font-weight:700;line-height:1}.stat-lab{font-size:12px;color:var(--muted)}.entity-drawer-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a6b;z-index:60;display:flex;justify-content:flex-end;animation:fade-in .15s ease}.entity-drawer{position:relative;width:min(460px,94vw);height:100%;background:var(--panel);box-shadow:-10px 0 28px #0f172a38;overflow-y:auto;padding:22px 24px 28px;animation:drawer-in .22s ease}.drawer-close{position:absolute;top:12px;right:14px;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:20px;line-height:1;cursor:pointer;z-index:2}.drawer-close:hover{color:var(--text);border-color:var(--muted)}.entity-drawer .entity{max-width:none;padding-right:26px}@keyframes drawer-in{0%{transform:translate(36px);opacity:.35}to{transform:translate(0);opacity:1}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.admin-analytics{padding:20px 28px;max-width:1100px;margin:0 auto}.admin-analytics h2{margin:0 0 16px;font-size:22px;font-weight:600}.tab-bar{display:flex;gap:4px;margin-bottom:20px;border-bottom:2px solid var(--line);padding-bottom:0}.tab-btn{padding:8px 18px;border:none;background:none;color:var(--muted);font-size:14px;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:color .15s,border-color 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3px 0 0;transition:height .3s}.bar-lbl{font-size:9px;color:var(--muted);margin-top:3px;transform:rotate(-45deg);transform-origin:top left;white-space:nowrap}.filter-bar{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:16px;align-items:center}.filter-group{display:flex;align-items:center;gap:8px}.filter-group label{font-size:13px;color:var(--muted);white-space:nowrap}.btn-group{display:flex;gap:2px}.sm-btn{padding:4px 12px;border:1px solid var(--line);background:var(--panel);border-radius:5px;font-size:13px;cursor:pointer;color:var(--text)}.sm-btn:hover{border-color:var(--accent);color:var(--accent)}.sm-btn.on{background:var(--accent);color:#fff;border-color:var(--accent)}.sm-select{padding:4px 8px;border:1px solid var(--line);border-radius:5px;font-size:13px;background:var(--panel);color:var(--text)}.analytics-table-wrap{overflow-x:auto;margin-bottom:16px}.analytics-table{width:100%;border-collapse:collapse;font-size:13px}.analytics-table th{text-align:left;padding:8px 10px;border-bottom:2px solid var(--line);color:var(--muted);font-weight:600;white-space:nowrap}.analytics-table td{padding:8px 10px;border-bottom:1px solid var(--line)}.analytics-table th.num,.analytics-table td.num{text-align:right}.analytics-table td.idx{color:var(--muted);width:36px;text-align:center}.analytics-table td.weak{color:var(--muted)}.analytics-table td.empty{text-align:center;color:var(--muted);padding:32px 10px}.book-cell{display:flex;align-items:center;gap:8px}.mini-cover{width:28px;height:28px;border-radius:4px;display:inline-flex;align-items:center;justify-content:center;font-size:11px;color:#fff;font-weight:600;flex-shrink:0}.section-title{font-size:15px;font-weight:600;margin:20px 0 12px;color:var(--text)}.top-terms-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.term-row{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--panel);border-radius:6px}.term-rank{width:22px;height:22px;border-radius:50%;background:var(--line);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;color:var(--muted)}.term-row:nth-child(1) .term-rank{background:#ff9800;color:#fff}.term-row:nth-child(2) .term-rank{background:#ff9800;color:#fff}.term-row:nth-child(3) .term-rank{background:#ff9800;color:#fff}.term-word{flex:1;font-size:14px}.term-count{font-size:12px;color:var(--muted)}.health-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}.health-card{background:var(--panel);border-radius:10px;padding:20px;text-align:center;box-shadow:0 1px 3px #0000000f}.health-num{font-size:36px;font-weight:700;color:var(--text);line-height:1.2}.health-lbl{font-size:13px;color:var(--muted);margin-top:4px}.health-card.hl-red .health-num{color:#c62828}.health-card.hl-orange .health-num{color:#e65100}.health-bars{display:flex;flex-direction:column;gap:10px;max-width:500px}.health-row{display:flex;align-items:center;gap:10px}.health-key{width:60px;font-size:13px;color:var(--muted);text-align:right}.health-bar-track{flex:1;height:22px;background:var(--bg);border-radius:4px;overflow:hidden}.health-bar{height:100%;border-radius:4px;min-width:4px;transition:width .4s}.health-val{width:40px;font-size:14px;font-weight:600;color:var(--text)}.empty-sm{text-align:center;color:var(--muted);padding:24px;font-size:13px}.review-tabs{display:flex;gap:8px;margin-bottom:14px}.review-tab{padding:7px 14px;border:1px solid var(--line);border-radius:999px;background:var(--panel);color:var(--text);font-size:13px;cursor:pointer}.review-tab.on{background:var(--accent);color:#fff;border-color:var(--accent)}.st-badge.st-review{background:#fff4e5;color:#e8830c}.review-detail-head{display:flex;gap:14px;align-items:flex-start;margin-bottom:16px}.review-cover{width:84px;height:112px;object-fit:cover;border-radius:8px;border:1px solid var(--line);flex:none;background:#f1f3f6}.review-cover.ph{display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:12px;text-align:center;padding:6px}.review-meta-grid{display:grid;grid-template-columns:auto 1fr;gap:6px 12px;font-size:13px;margin:0}.review-meta-grid dt{color:var(--muted);margin:0}.review-meta-grid dd{margin:0}.review-split{display:grid;grid-template-columns:190px 1fr;gap:12px;margin-top:8px}.review-chapters{max-height:46vh;overflow-y:auto;border:1px solid var(--line);border-radius:8px;padding:6px;display:flex;flex-direction:column;gap:4px}.review-chapter-btn{text-align:left;padding:7px 9px;border:1px solid transparent;border-radius:7px;background:#fafbfc;color:var(--text);font-size:12.5px;cursor:pointer}.review-chapter-btn:hover{border-color:var(--accent)}.review-chapter-btn.on{background:#eef3ff;border-color:var(--accent);color:var(--accent)}.review-reader{max-height:46vh;overflow-y:auto;border:1px solid var(--line);border-radius:8px;padding:12px 14px;background:#fff;font-size:13.5px;line-height:1.7;white-space:pre-wrap;word-break:break-word}.review-acts-bar{display:flex;gap:10px;margin-top:18px}.review-reject-panel{margin-top:16px;border-top:1px dashed var(--line);padding-top:14px}.review-reason-box{width:100%;min-height:72px;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:13px;resize:vertical;box-sizing:border-box}.review-reason-box:focus{outline:none;border-color:var(--accent)}.review-reason-err{color:#d93025;font-size:12px;margin-top:6px}.review-note{color:var(--muted);font-size:12px}