:root{--font-serif:"Source Serif 4", "Literata", "Noto Serif SC", Georgia, serif;--font-sans:"Inter", system-ui, -apple-system, sans-serif;--font-display:"Playfair Display", "Source Serif 4", serif;--transition-smooth:all .3s cubic-bezier(.16, 1, .3, 1);--shadow-subtle:0 4px 20px -2px #0000000d;--shadow-elevated:0 12px 36px -4px #0000001f;--shadow-dock:-8px 0 32px #00000014}[data-theme=linen]{--bg-primary:#fcfbf7;--bg-secondary:#f4f1ea;--bg-tertiary:#ebe6dc;--bg-card:#ffffffd9;--bg-dock:#fbf9f4;--text-primary:#282421;--text-secondary:#6e675f;--text-muted:#9e978e;--border-color:#3c32281a;--border-active:#d97706;--accent-color:#d97706;--accent-light:#d977061a;--dock-shadow:-4px 0 24px 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var(--accent-color);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;display:flex;overflow:hidden}.dock-companion-avatar img{object-fit:cover;border-radius:50%;width:100%;height:100%}.dock-btn-label{color:var(--text-primary);white-space:nowrap;font-size:13px;font-weight:600}.dock-pulse-dot{background:#10b981;border-radius:50%;width:8px;height:8px;animation:1.5s infinite pulse;box-shadow:0 0 8px #10b981}.dock-mic-icon{color:var(--text-secondary);opacity:.7}.dock-more-btn{border:1px solid var(--border-color);background:var(--bg-secondary);color:var(--text-primary);cursor:pointer;border-radius:999px;align-items:center;gap:6px;padding:8px 14px;transition:all .2s cubic-bezier(.16,1,.3,1);display:inline-flex}.dock-more-btn:hover{background:var(--accent-light);border-color:var(--accent-color);transform:scale(1.02)}.reader-menu-overlay{z-index:1000;-webkit-backdrop-filter:blur(8px);background:#00000073;justify-content:center;align-items:flex-end;animation:.2s ease-out overlayFadeIn;display:flex;position:fixed;inset:0}@keyframes overlayFadeIn{0%{opacity:0}to{opacity:1}}.reader-menu-sheet{background:var(--bg-card);border:1px solid var(--border-color);border-bottom:none;border-radius:24px 24px 0 0;flex-direction:column;width:min(640px,100vw);max-height:86vh;animation:.28s cubic-bezier(.16,1,.3,1) sheetSlideUp;display:flex;overflow:hidden;box-shadow:0 -12px 48px #00000040}@keyframes sheetSlideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.menu-sheet-drag-handle{background:var(--border-color);opacity:.6;border-radius:999px;width:40px;height:4px;margin:10px auto 4px}.menu-sheet-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:12px 20px 10px;display:flex}.menu-book-badge{align-items:center;gap:10px;min-width:0;display:flex}.menu-book-meta{flex-direction:column;min-width:0;display:flex}.menu-book-title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;max-width:380px;font-size:15px;font-weight:700;overflow:hidden}.menu-book-author{color:var(--text-secondary);font-size:12px}.menu-sheet-close-btn{border:1px solid var(--border-color);background:var(--bg-secondary);width:32px;height:32px;color:var(--text-secondary);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;transition:all .2s;display:flex}.menu-sheet-close-btn:hover{color:var(--text-primary);background:var(--accent-light)}.menu-sheet-tabs{border-bottom:1px solid var(--border-color);background:var(--bg-secondary);gap:6px;padding:10px 16px;display:flex;overflow-x:auto}.sheet-tab-btn{color:var(--text-secondary);cursor:pointer;white-space:nowrap;background:0 0;border:1px solid #0000;border-radius:999px;align-items:center;gap:6px;padding:8px 14px;font-size:13px;font-weight:600;transition:all .2s;display:inline-flex}.sheet-tab-btn:hover{color:var(--text-primary);background:#8c8c8c14}.sheet-tab-btn.active{color:var(--accent-color);background:var(--bg-card);border-color:var(--border-color);box-shadow:0 2px 8px #0000000f}.menu-sheet-body{flex:1;padding:16px 20px 32px;overflow-y:auto}.sheet-pane{flex-direction:column;gap:18px;display:flex}.toc-search-wrap{align-items:center;display:flex;position:relative}.toc-search-icon{color:var(--text-muted);pointer-events:none;position:absolute;left:12px}.toc-search-input{border:1px solid var(--border-color);background:var(--bg-secondary);width:100%;color:var(--text-primary);border-radius:12px;outline:none;padding:9px 12px 9px 34px;font-size:13px}.toc-search-input:focus{border-color:var(--accent-color);box-shadow:0 0 0 2px var(--accent-light)}.toc-chapters-scroll{flex-direction:column;gap:4px;max-height:48vh;display:flex;overflow-y:auto}.toc-chapter-row{background:var(--bg-card);text-align:left;cursor:pointer;border:1px solid #0000;border-radius:12px;justify-content:space-between;align-items:center;padding:11px 14px;transition:all .18s;display:flex}.toc-chapter-row:hover{background:var(--bg-secondary);border-color:var(--border-color)}.toc-chap-info{flex-direction:column;gap:2px;min-width:0;display:flex}.toc-chap-title{color:var(--text-primary);font-size:14px;font-weight:600}.toc-chap-sub{color:var(--text-muted);font-size:11px}.toc-arrow{color:var(--text-muted);flex-shrink:0}.toc-empty-hint{text-align:center;color:var(--text-muted);padding:24px;font-size:13px}.theme-section{flex-direction:column;gap:8px;display:flex}.theme-section-label{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);font-size:12px;font-weight:700}.theme-palette-grid{grid-template-columns:repeat(2,1fr);gap:8px;display:grid}.theme-chip-btn{cursor:pointer;border:1.5px solid;border-radius:12px;align-items:center;gap:8px;padding:12px 14px;font-size:13px;font-weight:600;transition:transform .18s,box-shadow .18s;display:flex}.theme-chip-btn:hover{transform:translateY(-1px)}.theme-chip-btn.active{box-shadow:0 0 0 2px var(--accent-color)}.chip-color-dot{border:1px solid #00000026;border-radius:50%;width:14px;height:14px}.font-size-row{align-items:center;gap:12px;display:flex}.font-step-btn{border:1px solid var(--border-color);background:var(--bg-secondary);color:var(--text-primary);cursor:pointer;border-radius:10px;flex:1;padding:10px;font-size:15px;font-weight:700;transition:all .18s}.font-step-btn:hover{background:var(--accent-light);border-color:var(--accent-color)}.font-size-val{text-align:center;min-width:60px;color:var(--text-primary);font-size:14px;font-weight:600}.font-family-row{grid-template-columns:repeat(2,1fr);gap:8px;display:grid}.font-chip-btn{border:1px solid var(--border-color);background:var(--bg-secondary);color:var(--text-primary);cursor:pointer;border-radius:10px;padding:10px 14px;font-size:13px;font-weight:600;transition:all .18s}.font-chip-btn.active{background:var(--accent-light);border-color:var(--accent-color);color:var(--accent-color)}.danmaku-mode-grid{grid-template-columns:repeat(2,1fr);gap:8px;display:grid}.danmaku-chip-btn{border:1px solid var(--border-color);background:var(--bg-secondary);color:var(--text-primary);cursor:pointer;text-align:center;border-radius:10px;padding:10px 12px;font-size:12px;font-weight:600;transition:all .18s}.danmaku-chip-btn.active{background:var(--accent-light);border-color:var(--accent-color);color:var(--accent-color)}.shelf-actions-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;padding:16px}.shelf-card-title{color:var(--text-primary);margin-bottom:4px;font-size:16px;font-weight:700;display:block}.shelf-card-desc{color:var(--text-secondary);font-size:12px}.sheet-action-buttons{flex-direction:column;gap:10px;display:flex}.sheet-full-action-btn{border:1px solid var(--border-color);background:var(--bg-secondary);color:var(--text-primary);cursor:pointer;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:12px 18px;font-size:14px;font-weight:600;text-decoration:none;transition:all .18s;display:flex}.sheet-full-action-btn:hover{background:var(--accent-light);border-color:var(--accent-color);color:var(--accent-color)}.sheet-full-action-btn.primary{background:var(--accent-color);border-color:var(--accent-color);color:#fff}.sheet-full-action-btn.primary:hover{filter:brightness(1.1)}.sheet-full-action-btn.subtle{color:var(--text-secondary);background:0 0}.account-status-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:14px;flex-direction:column;gap:8px;padding:16px;display:flex}.account-info-line{color:var(--text-primary);align-items:center;gap:8px;font-size:14px;font-weight:600;display:flex}.account-quota-hint{color:var(--text-muted);font-size:12px}.account-logout-btn{border:1px solid var(--border-color);background:var(--bg-card);color:#ef4444;cursor:pointer;border-radius:8px;align-self:flex-start;align-items:center;gap:6px;margin-top:6px;padding:6px 12px;font-size:12px;font-weight:600;display:inline-flex}.account-login-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:14px;flex-direction:column;gap:12px;padding:16px;display:flex}.account-login-desc{color:var(--text-secondary);font-size:13px;line-height:1.6}.menu-author-brand-footer{text-align:center;color:var(--text-muted);border-top:1px solid var(--border-color);margin-top:16px;padding:16px 0 6px;font-size:12.5px}