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var(--cbt-border);background:#fff;cursor:pointer;transition:border-color .15s ease,transform .15s ease,background-color .15s ease,box-shadow .15s ease;box-shadow:0 2px 10px #102a430a;will-change:transform}.cbt-card:hover{border-color:#c7d6e1;background:#f9fcff;transform:translateY(-1px);box-shadow:0 6px 18px #102a4314}.cbt-emoji{font-size:22px;line-height:1}.cbt-card-title{font-weight:700;margin-top:6px;font-size:14px;color:var(--cbt-text)}.cbt-card-desc{font-size:12px;color:var(--cbt-muted);margin-top:3px}.cbt-hint{font-size:12px;color:var(--cbt-muted)}.cbt-msg{display:flex}.cbt-msg.user{justify-content:flex-end}.cbt-msg.bot,.cbt-msg.system{justify-content:flex-start}.cbt-bubble-wrap{max-width:82%;display:grid;gap:6px}.cbt-bubble{padding:9px 11px;line-height:1.42;border-radius:12px;border:1px solid var(--cbt-border);background:#fff;font-size:13.5px;color:var(--cbt-text);white-space:normal;word-break:break-word}.cbt-msg.user .cbt-bubble{background:var(--cbt-accent-soft);border-color:#c6d9e8}.cbt-msg.system .cbt-bubble{background:#fffdf3;border-style:dashed;color:#7a6a00;border-color:#f1e2a5}.cbt-title-sm{font-weight:800;margin-bottom:4px;font-size:14px;color:var(--cbt-accent)}.cbt-desc{opacity:.98;margin-top:2px}.cbt-meta{font-size:11.5px;color:var(--cbt-muted);margin-top:5px}.cbt-block{margin:6px 0}.cbt-hr{border:none;border-top:1px solid var(--cbt-border);margin:8px 0}.cbt-pre{font-size:13.5px;line-height:1.45}.cbt-pre strong{font-weight:800;color:var(--cbt-accent)}.cbt-ul{padding-left:18px;margin:4px 0}.cbt-html table{border-collapse:collapse;width:100%}.cbt-html table td,.cbt-html table th{border:1px solid var(--cbt-border);padding:6px 8px;font-size:13px}.cbt-code{font-family:var(--cbt-mono);background:#f1f7fc;padding:1px 4px;border-radius:6px;border:1px solid #d6e6f2;font-size:12.5px;color:#0c3f65}.cbt-tools{display:flex;gap:6px;justify-content:flex-end}.cbt-tool-btn{border:1px solid var(--cbt-border);background:#fff;color:var(--cbt-muted);padding:3px 8px;border-radius:7px;font-size:12px;cursor:pointer}.cbt-tool-btn:hover{color:var(--cbt-accent);border-color:#bcd0dd;background:#f5fbff}.cbt-switches{display:flex;gap:6px;flex-wrap:wrap}.cbt-minibtn{border:1px solid var(--cbt-border);color:var(--cbt-accent);background:#fff!important;padding:4px 8px;border-radius:8px;font-size:12px;cursor:pointer}.cbt-minibtn:hover{border-color:#c7d6e1;background:#f5fbff}.cbt-topk{display:inline-flex;align-items:center;gap:6px;color:var(--cbt-muted);font-size:12px;border:1px dashed var(--cbt-border);padding:3px 8px;border-radius:8px;background:#fff}.cbt-topk input{width:46px;background:#fff;color:var(--cbt-text);border:1px solid var(--cbt-border);border-radius:6px;padding:2px 6px;font-size:12px}.cbt-input{display:flex;gap:8px;border-top:1px solid var(--cbt-border);padding:8px 10px;background:linear-gradient(180deg,#fff,#0c48740a)}.cbt-input input{flex:1;border:1px solid var(--cbt-border);background:#fff;color:var(--cbt-text);border-radius:10px;padding:9px 11px;font-size:13.5px;outline:none}.cbt-input input:focus{border-color:#b8d0e0;box-shadow:0 0 0 3px #0c48741a}.cbt-input button{border:1px solid #b8d0e0;background:var(--cbt-accent);color:#fff;padding:8px 12px;border-radius:10px;font-size:13px;cursor:pointer}.cbt-input button:hover{filter:brightness(1.05)}.cbt-input button:disabled{opacity:.6;cursor:not-allowed}.cbt-toast{position:absolute;bottom:8px;left:50%;transform:translate(-50%);background:#0c4874e6;color:#fff;padding:6px 10px;border-radius:8px;font-size:12px;border:1px solid rgba(12,72,116,.25)}.cbt-body::-webkit-scrollbar{width:8px}.cbt-body::-webkit-scrollbar-thumb{background:#d3e2ee;border-radius:8px}.cbt-body::-webkit-scrollbar-track{background:transparent}@media (max-width: 480px){.cbt-panel{width:calc(100vw - 24px);height:70vh}.cbt-grid{grid-template-columns:1fr}.cbt-bubble-wrap{max-width:92%}}@media (prefers-reduced-motion: reduce){.cbt-fab,.cbt-fab:before,.cbt-card,.cbt-close,.cbt-back{animation:none!important;transition:none!important}}