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.card-del{opacity:.9}.chip-msg{position:relative}.msg-del{position:absolute;top:4px;right:4px;width:20px;height:20px;padding:0;background:transparent;border:none;color:inherit;opacity:0;cursor:pointer;font-size:.72rem;line-height:1;border-radius:999px;transition:opacity .14s ease}.chip-msg:hover .msg-del{opacity:.55}.msg-del:hover{opacity:1;background:#d76b852e}.conv-item:hover{background:var(--bg-2)}.conv-item.active{border-color:var(--brand);box-shadow:var(--brand-glow)}.conv-item .ci-top{display:flex;justify-content:space-between;gap:8px;align-items:baseline}.usage-bar{height:7px;border-radius:999px;background:var(--bg-2);overflow:hidden;margin-top:4px}.usage-fill{height:100%;background:var(--shared);transition:width .3s ease}.usage-fill.hot{background:var(--gated)}.conv-item .ci-name{font-weight:600;font-size:.9rem;color:var(--ink)}.conv-item .ci-time{color:var(--muted);font-size:.72rem;white-space:nowrap}.conv-item .ci-snippet{color:var(--muted);font-size:.8rem;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conv-detail{flex:1 1 auto;min-width:0;border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;background:var(--surface);min-height:220px}.conv-detail .cd-head{font-weight:600;color:var(--ink);margin-bottom:4px}.conv-placeholder{color:var(--muted);display:flex;align-items:center;justify-content:center;min-height:200px}@media (max-width: 720px){.conv-layout{flex-direction:column}.conv-list{flex-basis:auto;width:100%;max-height:280px}.conv-detail{width:100%}}