:root{--bg: #f6f5f2;--card: #fff;--border: #e6e3dd;--text: #2c2a26;--muted: #8a867e;--accent: #6b4f3a;--accent-light: #8a6f57;--danger: #c0392b}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text)}.app-header{background:var(--card);border-bottom:1px solid var(--border);padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;position:sticky;top:0;z-index:10}.app-header h1{font-size:20px;margin:0;letter-spacing:1px}.app-header .actions{display:flex;gap:10px;align-items:center}.app-root{min-height:100vh;display:flex;flex-direction:column}.container{max-width:1200px;margin:0 auto;padding:20px 24px;flex:1;width:100%}.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:20px}.tabs{display:flex;gap:4px;background:var(--card);border:1px solid var(--border);border-radius:8px;padding:4px}.tab{border:none;background:transparent;padding:8px 14px;border-radius:6px;cursor:pointer;font-size:14px;color:var(--muted)}.tab.active{background:var(--accent);color:#fff}.chip{border:1px solid var(--border);background:var(--card);padding:5px 12px;border-radius:999px;cursor:pointer;font-size:13px;color:var(--muted)}.chip.active{background:var(--accent-light);color:#fff;border-color:var(--accent-light)}.search-input{flex:1;min-width:200px;padding:8px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px}.btn{border:none;padding:8px 16px;border-radius:8px;cursor:pointer;font-size:14px;background:var(--accent);color:#fff}.btn.secondary{background:var(--card);color:var(--text);border:1px solid var(--border)}.btn.danger{background:transparent;color:var(--danger);border:1px solid var(--danger)}.btn.danger-solid{background:var(--danger);color:#fff;border:1px solid var(--danger)}.btn.danger-solid:hover{background:#a93226}.btn:disabled{opacity:.5;cursor:not-allowed}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:20px}.book-card{cursor:pointer;transition:transform .12s ease}.book-card:hover{transform:translateY(-4px)}.book-cover{position:relative;width:100%;aspect-ratio:3 / 4;border-radius:8px;overflow:hidden;background:#e9e5dd;box-shadow:0 2px 8px #00000014;display:flex;align-items:center;justify-content:center}.book-cover img{width:100%;height:100%;object-fit:cover}.book-cover .placeholder{color:#b3aca0;font-size:13px;text-align:center;padding:10px;word-break:break-all}.book-card .title{margin-top:8px;font-size:14px;font-weight:600;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.book-card .author{margin-top:2px;font-size:12px;color:var(--muted)}.empty{text-align:center;color:var(--muted);padding:60px 0;font-size:15px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal{background:var(--card);border-radius:12px;max-width:680px;width:100%;max-height:90vh;overflow:auto;padding:24px;position:relative;scrollbar-width:none;-ms-overflow-style:none}.modal::-webkit-scrollbar{display:none}.modal-close{position:absolute;top:12px;right:12px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border:none;background:#f0ede6;border-radius:50%;font-size:18px;line-height:1;cursor:pointer;color:var(--muted);transition:background .15s ease,color .15s ease,transform .15s ease}.modal-close:hover{background:#e0d9cd;color:var(--text);transform:rotate(90deg)}.detail-body{display:flex;gap:20px}.detail-cover{width:160px;flex-shrink:0}.detail-cover img{width:100%;border-radius:10px;box-shadow:0 6px 20px #00000026}.detail-cover-placeholder{width:100%;aspect-ratio:3 / 4;border-radius:10px;background:#e9e5dd;color:#b3aca0;font-size:13px;display:flex;align-items:center;justify-content:center;text-align:center;padding:12px;word-break:break-all}.detail-info{flex:1;min-width:0}.detail-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding-right:28px;margin-bottom:14px}.detail-header h2{margin:0;font-size:22px;line-height:1.3}.badges{display:flex;gap:6px;flex-shrink:0}.badge{color:#fff;font-size:12px;padding:3px 10px;border-radius:999px;white-space:nowrap}.badge.rating{background:#d18a3a}.meta-list{list-style:none;padding:0;margin:0;font-size:13px}.meta-list li{display:flex;gap:14px;padding:6px 0;border-bottom:1px dashed var(--border)}.meta-list li:last-child{border-bottom:none}.meta-key{color:var(--muted);flex-shrink:0;min-width:64px}.meta-value{color:var(--text);word-break:break-all}.meta-value a{color:var(--accent);text-decoration:none}.meta-value a:hover{text-decoration:underline}.intro-block{margin-top:18px;border-top:1px solid var(--border);padding-top:14px}.intro-title{font-size:14px;font-weight:600;margin-bottom:8px}.intro{font-size:14px;line-height:1.7;color:#555;white-space:pre-wrap}.detail-actions{margin-top:18px;border-top:1px solid var(--border);padding-top:14px;display:flex;flex-direction:column;gap:14px}.action-block{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.action-label{font-size:13px;color:var(--muted);min-width:56px;flex-shrink:0}.tag-input{width:90px;padding:4px 10px;border:1px solid var(--border);border-radius:999px;font-size:12px;font-family:inherit}.tag-input:focus{outline:none;border-color:var(--accent)}.detail-footer{margin-top:18px;padding-top:14px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:flex-end;gap:10px}.confirm-text{font-size:14px;color:var(--text);margin-right:auto}.field-row{display:flex;align-items:center;gap:10px;margin:12px 0;flex-wrap:wrap}.field-row label{font-size:13px;color:var(--muted);min-width:48px}.tag-list{display:flex;gap:6px;flex-wrap:wrap}.tag{background:#f0ede6;padding:3px 10px;border-radius:999px;font-size:12px}.tag .remove{border:none;background:transparent;cursor:pointer;color:var(--muted);margin-left:4px;padding:0}.form{max-width:640px;margin:0 auto}.form-section{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:20px}.form-section h3{margin:0 0 14px;font-size:15px}.add-tabs{width:fit-content;margin:0 auto 20px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-grid .full{grid-column:1 / -1}.form-field label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}.form-field input,.form-field textarea{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit}.form-field textarea{min-height:80px;resize:vertical}select{appearance:none;-webkit-appearance:none;-moz-appearance:none;background-color:#fff;border:1px solid var(--border);border-radius:8px;padding:8px 32px 8px 12px;font-size:14px;font-family:inherit;color:var(--text);cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%238a867e' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:12px 8px;transition:border-color .15s ease,box-shadow .15s ease}select:hover{border-color:#cfc9bd}select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #6b4f3a1f}.form-field select{width:100%}.candidates{display:flex;flex-direction:column;gap:10px}.candidate{display:flex;gap:14px;border:1px solid var(--border);border-radius:8px;padding:12px;align-items:center}.candidate img{width:56px;height:80px;object-fit:cover;border-radius:4px}.candidate .info{flex:1;min-width:0}.candidate .info .title{font-size:15px;font-weight:600}.candidate .info .sub{font-size:12px;color:var(--muted);margin-top:3px}.error{color:var(--danger);font-size:13px;margin-top:8px}.context-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200}.context-menu{position:fixed;z-index:201;min-width:140px;background:var(--card);border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 24px #0000001f;padding:6px;display:flex;flex-direction:column}.context-item{border:none;background:transparent;text-align:left;padding:8px 12px;border-radius:6px;cursor:pointer;font-size:14px;color:var(--text)}.context-item:hover{background:#f0ede6}.context-item.danger{color:var(--danger)}.context-item.danger:hover{background:#fbe9e7}.batch-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:12px 16px;margin-bottom:20px}.batch-count{font-size:14px;color:var(--muted);margin-right:auto}.dropdown-wrap{position:relative;display:inline-block}.dropdown-wrap.block{display:block}.dropdown-btn{display:inline-flex;align-items:center;justify-content:space-between;gap:6px}.dropdown-wrap.block .dropdown-btn{width:100%}.caret{font-size:11px}.dropdown-menu{position:absolute;top:calc(100% + 4px);left:0;z-index:210;min-width:120px;background:var(--card);border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 24px #0000001f;padding:6px;display:flex;flex-direction:column}.dropdown-menu button{border:none;background:transparent;text-align:left;padding:8px 12px;border-radius:6px;cursor:pointer;font-size:14px;color:var(--text)}.dropdown-menu button:hover{background:#f0ede6}.dropdown-menu button.active{background:#f0ede6;font-weight:500}.pin-badge{position:absolute;top:8px;left:8px;background:var(--accent);color:#fff;font-size:11px;padding:2px 8px;border-radius:999px}.card-check{position:absolute;top:8px;right:8px;width:18px;height:18px;cursor:pointer;accent-color:var(--accent)}.book-card.selected .book-cover{outline:3px solid var(--accent);outline-offset:-3px}.confirm-dialog{background:var(--card);border-radius:12px;padding:24px;max-width:360px;width:100%;box-shadow:0 8px 24px #00000026}.confirm-message{font-size:14px;line-height:1.6;margin-bottom:20px}.confirm-actions{display:flex;justify-content:flex-end;gap:10px}