*,:before,:after{box-sizing:border-box}html,body{min-height:100%;margin:0}body{color:#333;background:#f5f5f5;font-family:Segoe UI,Arial,sans-serif}button,input{font:inherit}.review-shell{--primary:#5c6bc0;--primary-dark:#4a59b0;--border:#e8e8e8;--sidebar-w:300px;--toolbar-h:52px;flex-direction:column;height:100vh;display:flex;overflow:hidden}.toolbar{min-height:var(--toolbar-h);border-bottom:1px solid var(--border);z-index:20;background:#fff;align-items:center;gap:10px;padding:0 16px;display:flex}.logo{color:var(--primary);letter-spacing:-.3px;white-space:nowrap;font-size:15px;font-weight:800}.url-input{border:1.5px solid var(--border);border-radius:8px;outline:none;flex:1;min-width:0;padding:7px 12px;font-size:13px;transition:border-color .15s}.url-input:focus{border-color:var(--primary)}.btn{cursor:pointer;white-space:nowrap;border:0;border-radius:8px;padding:7px 16px;font-size:13px;font-weight:600;transition:background .15s}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.mode-toggle{background:#f0f0f0;border-radius:8px;gap:2px;padding:3px;display:flex}.mode-btn{color:#666;cursor:pointer;background:0 0;border:0;border-radius:6px;padding:5px 14px;font-size:13px;font-weight:500}.mode-btn.active{color:var(--primary);background:#fff;font-weight:600;box-shadow:0 1px 4px #0000001a}.toolbar-status{color:#999;text-overflow:ellipsis;white-space:nowrap;max-width:220px;font-size:12px;overflow:hidden}.main{flex:1;display:flex;overflow:hidden}.sidebar{width:var(--sidebar-w);min-width:var(--sidebar-w);border-right:1px solid var(--border);background:#fff;flex-direction:column;transition:width .2s,min-width .2s;display:flex;overflow:hidden}.sidebar.collapsed{width:0;min-width:0}.sidebar-header{border-bottom:1px solid var(--border);padding:14px 16px 10px}.sidebar-site{text-overflow:ellipsis;white-space:nowrap;margin-bottom:6px;font-size:13px;font-weight:700;overflow:hidden}.sidebar-subtitle{color:#999;font-size:11px}.sidebar-tabs{border-bottom:1px solid var(--border);gap:12px;padding:0 16px;display:flex}.sidebar-tab{color:#999;cursor:pointer;background:0 0;border:0;border-bottom:2px solid #0000;align-items:center;gap:5px;padding:8px 0;font-size:12px;font-weight:600;display:inline-flex}.sidebar-tab.active{color:var(--primary);border-bottom-color:var(--primary)}.sidebar-count{color:#666;background:#f0f0f0;border-radius:10px;justify-content:center;align-items:center;min-width:22px;padding:1px 7px;font-size:11px;display:inline-flex}.sidebar-count.has-items{background:var(--primary);color:#fff}.comments-list{flex:1;padding:8px 0;overflow-y:auto}.empty-comments,.empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex}.empty-comments{color:#bbb;height:220px;padding:20px;font-size:13px}.empty-comments-icon,.empty-state-icon{color:#d0d0d0;font-size:34px}.comment-card{cursor:pointer;border-bottom:1px solid #f5f5f5;padding:12px 16px;transition:background .1s}.comment-card:hover{background:#fafafa}.comment-card.active{background:#f0f3ff}.comment-card-header{align-items:center;gap:8px;margin-bottom:6px;display:flex}.comment-pin-badge{background:var(--primary);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;font-size:11px;font-weight:700;display:flex}.comment-pin-badge.resolved{background:#4caf50}.comment-author{font-size:12px;font-weight:600}.comment-time{color:#bbb;margin-left:auto;font-size:11px}.comment-text{color:#555;word-break:break-word;font-size:13px;line-height:1.45}.comment-actions{opacity:0;gap:6px;margin-top:8px;transition:opacity .15s;display:flex}.comment-card:hover .comment-actions{opacity:1}.comment-action-btn{border:1px solid var(--border);color:#666;cursor:pointer;background:#fff;border-radius:5px;padding:3px 8px;font-size:11px}.comment-action-btn:hover{color:var(--primary);border-color:var(--primary)}.comment-action-btn.delete:hover{color:#ef4444;border-color:#ef4444}.iframe-area{background:#e8e8e8;flex:1;position:relative;overflow:hidden}.iframe-wrap{width:100%;height:100%;position:relative}.iframe-wrap.comment-mode{cursor:crosshair}iframe{border:0;width:100%;height:100%;display:block}.empty-state{color:#ccc;position:absolute;inset:0}.empty-state h2{color:#bbb;margin:0;font-size:20px}.empty-state p{margin:0;font-size:14px}.sidebar-toggle{z-index:10;border:1px solid var(--border);color:#bbb;cursor:pointer;background:#fff;border-left:0;border-radius:0 6px 6px 0;width:18px;height:40px;position:absolute;top:50%;left:0;transform:translateY(-50%)}.sidebar-toggle:hover{color:var(--primary)}@media (max-width:960px){.toolbar{flex-wrap:wrap;padding:10px 12px}.toolbar-status{width:100%;max-width:100%}.sidebar{z-index:15;height:100%;position:absolute;box-shadow:0 12px 32px #00000024}.sidebar.collapsed{width:var(--sidebar-w);min-width:var(--sidebar-w);transform:translate(-100%)}}