.tt-chat{width:100%;box-sizing:border-box;display:flex;flex-direction:column;min-height:380px;margin:0;padding:0}.tt-chat-messages{display:flex;flex:1;flex-direction:column;gap:18px;min-height:260px;max-height:620px;overflow:auto;padding:12px 0}.tt-chat-message{padding:14px;overflow-wrap:anywhere}.tt-chat-message.user{background:#edf4f7;border-radius:16px;align-self:flex-end;max-width:90%}.tt-chat-message.error{background:#fff0ec;border-radius:12px}.tt-chat-message header{margin-bottom:8px}.tt-chat-text{white-space:pre-wrap;line-height:1.65}.tt-chat-message nav{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px}.tt-chat-composer{position:relative;margin:14px 0 0;width:100%;box-sizing:border-box;padding:12px 60px 12px 14px;border:1px solid #b8cbd4;border-radius:18px;background:white}.tt-chat-composer label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.tt-chat-composer textarea{display:block;width:100%;box-sizing:border-box;min-height:48px;max-height:180px;border:0;resize:vertical;font:inherit;background:transparent}.tt-chat-composer button{position:absolute;right:10px;bottom:10px;width:38px;height:38px;padding:0;border-radius:50%;font-size:0}.tt-chat-composer button:after{content:'↑';font-size:22px}.tt-chat-composer button:disabled{opacity:.5;cursor:wait}.tt-chat-progress{padding:10px 14px;border-radius:10px;background:#edf5f8;color:#234d60}.tt-chat-progress[hidden]{display:none}.tt-chat-progress:before{content:'';display:inline-block;width:12px;height:12px;margin-right:10px;border:2px solid #bdd7e1;border-top-color:#0787aa;border-radius:50%;animation:tt-spin 1s linear infinite}.tt-chat-progress a{margin-left:8px}@keyframes tt-spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.tt-chat-progress:before{animation:none}}