:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background-color:#f5f5f5}#app{width:100%;min-height:100vh}.chat-container[data-v-f8a3b845]{display:flex;flex-direction:column;flex:1;overflow:hidden;background:#f8f9fa}.chat-header[data-v-f8a3b845]{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:20px;text-align:center;box-shadow:0 2px 10px #0000001a}.chat-header h2[data-v-f8a3b845]{margin:0;font-size:20px;font-weight:600}.messages-container[data-v-f8a3b845]{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column}.message[data-v-f8a3b845]{max-width:75%;margin-bottom:20px;padding:12px 16px;border-radius:18px;line-height:1.6}.user-message[data-v-f8a3b845]{align-self:flex-end;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-bottom-right-radius:6px}.assistant-message[data-v-f8a3b845]{align-self:flex-start;background-color:#fff;color:#333;border:1px solid #e0e0e0;border-bottom-left-radius:6px}.message-content[data-v-f8a3b845]{font-size:14px;word-break:break-word;white-space:pre-wrap}.message-role[data-v-f8a3b845]{font-size:12px;margin-top:6px;opacity:.7}.loading-indicator[data-v-f8a3b845]{align-self:flex-start;padding:12px 16px;background-color:#fff;border-radius:18px 18px 18px 6px;border:1px solid #e0e0e0}.history-loading[data-v-f8a3b845]{font-size:13px;color:#999}.typing-dots[data-v-f8a3b845]{display:flex;gap:6px}.typing-dots span[data-v-f8a3b845]{width:8px;height:8px;background-color:#667eea;border-radius:50%;animation:typing-f8a3b845 1.4s infinite ease-in-out}.typing-dots span[data-v-f8a3b845]:nth-child(2){animation-delay:.2s}.typing-dots span[data-v-f8a3b845]:nth-child(3){animation-delay:.4s}@keyframes typing-f8a3b845{0%,80%,to{transform:scale(.6);opacity:.5}40%{transform:scale(1);opacity:1}}.input-container[data-v-f8a3b845]{display:flex;gap:12px;padding:16px;background-color:#fff;border-top:1px solid #e0e0e0}.message-input[data-v-f8a3b845]{flex:1;padding:12px 16px;border:1px solid #e0e0e0;border-radius:24px;font-size:14px;resize:none;outline:none;transition:border-color .3s}.message-input[data-v-f8a3b845]:focus{border-color:#667eea}.message-input[data-v-f8a3b845]:disabled{opacity:.6;cursor:not-allowed}.send-button[data-v-f8a3b845]{padding:12px 24px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:24px;font-size:14px;font-weight:500;cursor:pointer;transition:opacity .3s,transform .2s}.send-button[data-v-f8a3b845]:hover:not(:disabled){opacity:.9}.send-button[data-v-f8a3b845]:active:not(:disabled){transform:scale(.98)}.send-button[data-v-f8a3b845]:disabled{opacity:.5;cursor:not-allowed}.sidebar[data-v-d2307b8a]{width:280px;min-width:280px;height:100vh;background:#fff;border-right:1px solid #e8e8e8;display:flex;flex-direction:column;overflow:hidden}.sidebar-header[data-v-d2307b8a]{padding:16px;border-bottom:1px solid #f0f0f0;display:flex;flex-direction:column;gap:10px}.sidebar-title[data-v-d2307b8a]{font-size:16px;font-weight:600;color:#333}.new-btn[data-v-d2307b8a]{padding:8px 16px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:20px;font-size:13px;cursor:pointer;transition:opacity .2s}.new-btn[data-v-d2307b8a]:hover{opacity:.9}.session-list[data-v-d2307b8a]{flex:1;overflow-y:auto;padding:8px 0}.session-item[data-v-d2307b8a]{padding:12px 16px;cursor:pointer;border-left:3px solid transparent;transition:background .2s,border-color .2s}.session-item[data-v-d2307b8a]:hover{background:#f5f5ff}.session-item.active[data-v-d2307b8a]{background:#eef0ff;border-left-color:#667eea}.session-title[data-v-d2307b8a]{font-size:14px;color:#333;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:4px}.session-time[data-v-d2307b8a]{font-size:12px;color:#999}.status-text[data-v-d2307b8a]{text-align:center;padding:40px 16px;color:#999;font-size:14px}.empty-text[data-v-d2307b8a]{color:#bbb}.footer-tip[data-v-d2307b8a]{text-align:center;padding:12px 16px 20px;font-size:12px;color:#aaa;-webkit-user-select:none;user-select:none}.end-text[data-v-d2307b8a]{color:#bbb}.more-text[data-v-d2307b8a]{color:#667eea;cursor:pointer}.more-text[data-v-d2307b8a]:hover{text-decoration:underline}.app-layout[data-v-14229f85]{display:flex;height:100vh;overflow:hidden}