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no-repeat;}.zs-chat-file:is(button){cursor:pointer;text-decoration:underline;}.zs-chat-typing{padding:0 16px 8px;font-size:12px;color:var(--text-muted);}.zs-chat-typing[hidden]{display:none;}.zs-chat-notice{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:10px 12px;font-size:12px;color:var(--text);background-color:var(--surface-raised);border-top:1px solid var(--border);}.zs-chat-notice span{flex:1 1 100%;}.zs-chat-notice[hidden]{display:none;}.zs-chat-form{display:flex;align-items:flex-end;gap:4px;padding:8px;background-color:var(--surface);border-top:1px solid var(--border);}.zs-chat-form[hidden]{display:none;}.zs-chat-form .zs-chat-icon-btn{color:var(--text-muted);}.zs-chat-form .zs-chat-icon-btn:hover:not(:disabled){color:var(--text);background-color:var(--surface-hover);}.zs-chat-form .zs-chat-icon-btn.is-send{color:var(--primary);}.zs-chat-input{flex:1;min-width:0;max-height:120px;padding:8px 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