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var(--ease);align-items:center;gap:2px;display:flex;position:relative}.conversation-item:hover{background:var(--surface-hover)}.conversation-item.active{background:var(--surface-active)}.conversation-item.active:before{content:"";background:var(--accent);border-radius:0 3px 3px 0;width:3px;height:18px;position:absolute;top:50%;left:0;transform:translateY(-50%)}.conversation-button{text-align:left;background:0 0;border:none;flex:1;min-width:0;padding:8px 4px 8px 10px;font-size:14px}.conversation-item.active .conversation-button{font-weight:550}.conversation-title{white-space:nowrap;text-overflow:ellipsis;display:block;overflow:hidden}.conversation-actions{opacity:0;transition:opacity .14s var(--ease);gap:1px;padding-right:4px;display:flex}.conversation-item:hover .conversation-actions,.conversation-item:focus-within .conversation-actions,.conversation-item.active .conversation-actions{opacity:1}.conversation-actions 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var(--border);background:color-mix(in srgb, var(--bg) 82%, transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);flex-shrink:0;align-items:center;gap:10px;padding:12px 18px;display:flex}.chat-title{letter-spacing:-.01em;white-space:nowrap;text-overflow:ellipsis;font-size:15px;font-weight:600;overflow:hidden}.chat-window .banner{width:min(100% - 36px, var(--content-max));margin:12px auto 0}.message-scroll-wrapper{flex:1;min-height:0;display:flex;position:relative}.message-scroll{overscroll-behavior:contain;flex:1;min-height:0;overflow-y:auto}.message-thread{width:min(100% - 36px, var(--content-max));flex-direction:column;gap:24px;margin:0 auto;padding:26px 0 32px;display:flex}.centered-state{justify-content:center;align-items:center;height:100%;padding:40px;display:flex}.jump-button{border:1px solid var(--border-strong);background:var(--surface);width:34px;height:34px;color:var(--text-muted);box-shadow:var(--shadow-md);transition:background-color .14s var(--ease), 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