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var(--border-color);border-radius:var(--radius-lg);cursor:pointer;transition:var(--transition);flex-direction:column;display:flex;position:relative;overflow:hidden}.book-card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-lg);transform:translateY(-4px)}.book-cover{text-align:center;background:linear-gradient(135deg,#1e293b,#0f172a);flex-direction:column;justify-content:center;align-items:center;height:230px;padding:16px;display:flex;position:relative;overflow:hidden}.book-cover img{object-fit:cover;width:100%;height:100%;position:absolute;top:0;left:0}.format-badge{text-transform:uppercase;border-radius:var(--radius-sm);backdrop-filter:blur(4px);color:#fff;letter-spacing:.05em;background:#000000b3;padding:3px 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#d4d4d8;border-radius:4px;flex:1;justify-content:center;align-items:center;height:38px;transition:all .15s;display:flex}.theme-dark .align-btn,.theme-oled .align-btn,.theme-dark-teal .align-btn{color:#94a3b8;background:#111317;border-color:#272a38}.align-btn:hover{color:#059669;background:#0596690d;border-color:#059669}.align-btn.active{color:#059669;background:#0596691a;border:2px solid #059669}.reader-vertical-dock{opacity:0;pointer-events:none;backdrop-filter:blur(14px);z-index:75;background:#12141aeb;border:1px solid #ffffff1f;border-radius:8px;flex-direction:column;gap:6px;padding:6px 4px;transition:transform .25s cubic-bezier(.4,0,.2,1),opacity .25s;display:flex;position:fixed;top:50%;right:12px;transform:translateY(-50%)translate(100px);box-shadow:0 10px 30px #00000080}.reader-vertical-dock.visible{opacity:1;pointer-events:auto;transform:translateY(-50%)translate(0)}@media 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h3{font-size:1rem;font-weight:600}.toc-list{flex:1;padding:10px 0;list-style:none;overflow-y:auto}.toc-item{cursor:pointer;border-bottom:1px solid #ffffff0a;justify-content:space-between;padding:12px 20px;font-size:.85rem;transition:background .15s;display:flex}.toc-item:hover{background:#ffffff0f}.toc-item.active{color:var(--reader-accent);border-left:3px solid var(--reader-accent);font-weight:600}.toc-tabs{background:#00000026;border-radius:8px;gap:6px;padding:3px;display:flex}.toc-tab-btn{cursor:pointer;color:var(--reader-text);opacity:.65;background:0 0;border:none;border-radius:6px;align-items:center;gap:6px;padding:6px 12px;font-size:.8rem;font-weight:500;transition:all .15s;display:flex}.toc-tab-btn:hover{opacity:1;background:#ffffff0d}.toc-tab-btn.active{opacity:1;background:var(--reader-accent);color:#fff;font-weight:600}.bookmarks-container{flex-direction:column;flex:1;display:flex;overflow:hidden}.bookmarks-toolbar{border-bottom:1px solid var(--reader-border);padding:12px 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.15s}.bookmark-card:hover{background:#eab3080d;border-color:#eab308;transform:translateY(-1px)}.bookmark-card-header{justify-content:space-between;align-items:center;margin-bottom:6px;display:flex}.bookmark-badge{color:#eab308;background:#eab30826;border-radius:4px;align-items:center;gap:4px;padding:2px 6px;font-size:.75rem;font-weight:700;display:flex}.bookmark-date{color:var(--reader-text);opacity:.55;flex:1;margin-left:8px;font-size:.72rem}.bookmark-delete-btn{color:var(--reader-text);opacity:.5;cursor:pointer;background:0 0;border:none;border-radius:4px;align-items:center;padding:4px;transition:all .15s;display:flex}.bookmark-delete-btn:hover{opacity:1;color:#ef4444;background:#ef44441f}.bookmark-excerpt{color:var(--reader-text);opacity:.85;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:.8rem;font-style:italic;line-height:1.45;display:-webkit-box;overflow:hidden}.bookmark-excerpt.placeholder{opacity:.5;font-style:normal}