.flipbook-comments-panel{display:flex;flex-direction:column;width:320px;min-width:280px;flex-shrink:0;background:var(--bg-surface,#111827);border-left:1px solid var(--border-subtle,rgba(255 255 255/.08));border-radius:0 12px 12px 0;overflow:hidden}.flipbook-comments-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border-subtle,rgba(255 255 255/.08));flex-shrink:0}.flipbook-comments-header h3{margin:0;font-size:14px;font-weight:600;color:var(--text-primary,#f1f5f9)}.flipbook-comments-page-badge{font-size:11px;padding:2px 8px;border-radius:10px;background:color-mix(in srgb,var(--accent,#f0b055) 15%,transparent);color:var(--accent,#f0b055);font-weight:600}.flipbook-comments-list{flex:1 1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px}.flipbook-comments-empty{text-align:center;color:var(--text-muted,#64748b);font-size:13px;padding:32px 8px;opacity:.7}.flipbook-comment-card{padding:10px 12px;border-radius:10px;background:var(--bg-card,rgba(255 255 255/.04));border:1px solid var(--border-subtle,rgba(255 255 255/.06));animation:comment-fadein .2s ease}.flipbook-comment-card.resolved{opacity:.6;border-color:rgba(34,197,94,.2)}@keyframes comment-fadein{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.flipbook-comment-meta{display:flex;align-items:center;gap:8px;margin-bottom:4px;flex-wrap:wrap}.flipbook-comment-author{font-size:12px;font-weight:600;color:var(--text-primary,#f1f5f9)}.flipbook-comment-time{font-size:11px;color:var(--text-muted,#64748b)}.flipbook-comment-resolved-badge{font-size:10px;padding:1px 6px;border-radius:8px;background:rgba(34,197,94,.15);color:#22c55e;font-weight:600}.flipbook-comment-message{font-size:13px;line-height:1.5;color:var(--text-secondary,#cbd5e1);white-space:pre-wrap;word-break:break-word}.flipbook-comments-form{padding:12px;border-top:1px solid var(--border-subtle,rgba(255 255 255/.08));display:flex;flex-direction:column;gap:8px;flex-shrink:0}.flipbook-comments-error{font-size:12px;color:#ef4444;padding:4px 0}.flipbook-comments-message,.flipbook-comments-name{width:100%;padding:8px 10px;border-radius:8px;border:1px solid var(--border-subtle,rgba(255 255 255/.1));background:var(--bg-input,rgba(255 255 255/.05));color:var(--text-primary,#f1f5f9);font-size:13px;font-family:inherit;resize:none;outline:none;transition:border-color .15s}.flipbook-comments-message:focus,.flipbook-comments-name:focus{border-color:var(--accent,#f0b055)}.flipbook-comments-message::placeholder,.flipbook-comments-name::placeholder{color:var(--text-muted,#64748b)}.flipbook-comments-submit{align-self:flex-end;padding:8px 20px;border-radius:8px;border:none;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;font-size:13px;font-weight:600;cursor:pointer;transition:opacity .15s}.flipbook-comments-submit:hover:not(:disabled){opacity:.9}.flipbook-comments-submit:disabled{opacity:.4;cursor:not-allowed}.flipbook-page-comment-badge{position:absolute;top:6px;right:6px;min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:#6366f1;color:#fff;font-size:11px;font-weight:700;z-index:10;pointer-events:none}.flipbook-overlay,.flipbook-page-comment-badge{display:flex;align-items:center;justify-content:center}.flipbook-overlay{position:fixed;inset:0;background:radial-gradient(circle at center,#1a1f2e 0,#0a0d14 100%);z-index:500}.flipbook-container{width:100%;height:100%;display:flex;flex-direction:column;padding:20px;gap:16px}.flipbook-header{display:flex;justify-content:space-between;align-items:center;padding:0 10px;flex-shrink:0}.flipbook-title{font-size:15px;color:var(--text-primary);font-weight:600}.flipbook-header-right{display:flex;gap:8px}.flipbook-close-btn,.flipbook-nav-btn{padding:8px 14px;background:var(--bg-glass-light,rgba(255,255,255,.08));color:var(--text-primary,#fff);border:1px solid var(--border-subtle,rgba(255,255,255,.15));border-radius:8px;cursor:pointer;font-size:13px;font-family:inherit;transition:all .15s}.flipbook-close-btn:hover,.flipbook-nav-btn:hover{background:var(--accent-soft,rgba(99,102,241,.2));border-color:var(--accent,#6366f1)}.flipbook-nav-btn{font-size:16px;width:40px;padding:0;height:40px}.flipbook-body-row{flex:1 1;min-height:0;display:flex;overflow:hidden}.flipbook-canvas-wrap{flex:1 1;min-height:0;display:flex;align-items:center;justify-content:center;position:relative}.flipbook-book{display:block}.flipbook-page{background:#ffffff;box-shadow:inset 0 0 10px rgba(0,0,0,.1);overflow:hidden}.flipbook-page.is-cover{box-shadow:inset 0 0 20px rgba(0,0,0,.25)}.flipbook-page-img{width:100%;height:100%;display:block;object-fit:cover;image-rendering:auto;image-rendering:-webkit-optimize-contrast;-webkit-backface-visibility:hidden;backface-visibility:hidden;transform:translateZ(0)}.flipbook-page-img.split-left{object-position:left center;object-fit:cover;width:200%}.flipbook-page-img.split-right{object-position:right center;object-fit:cover;width:200%;margin-left:-100%}.flipbook-loading{display:flex;flex-direction:column;align-items:center;gap:14px;color:var(--text-primary,#fff)}.flipbook-loading p{margin:0;font-size:14px;color:var(--text-muted,#a7b6ca)}.flipbook-spinner{width:52px;height:52px;border:4px solid rgba(99,102,241,.2);border-top:4px solid var(--accent,#6366f1);border-radius:50%;animation:flipbook-spin .8s linear infinite}@keyframes flipbook-spin{to{transform:rotate(1turn)}}.flipbook-progress-bar{width:240px;height:6px;background:rgba(255,255,255,.1);border-radius:3px;overflow:hidden}.flipbook-progress-fill{height:100%;background:linear-gradient(90deg,#6366f1,#8b5cf6);transition:width .3s}.flipbook-error{color:#ff6b6b;font-size:14px}.flipbook-footer{text-align:center;color:var(--text-muted);font-size:12px;padding:8px;flex-shrink:0}