:root{--primary:#6366f1;--primary-light:#818cf8;--primary-dark:#4f46e5;--bg-main:#131418;--bg-card:#1a1a2e;--bg-input:#16213e;--bg-hover:#1e2a45;--text-primary:#e2e8f0;--text-secondary:#94a3b8;--text-muted:#64748b;--border:#2d2d44;--user-bubble:#4f46e5;--assistant-bubble:#1e293b;--shadow:0 4px 24px #0000004d;--radius:12px;--radius-sm:8px;--dark-90:#ffffffe6}*{box-sizing:border-box;margin:0;padding:0}html{width:100%;height:100%;overflow:hidden}body,#root{width:100%;max-width:100%;height:100%;max-height:100dvh;position:fixed;inset:0;overflow:hidden}body{background:var(--bg-main);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}.chat-box{background:var(--bg-main);box-sizing:border-box;flex-direction:column;width:100%;max-width:100%;height:100dvh;max-height:100dvh;margin:0 auto;display:flex;overflow:hidden}@media (width>=769px){.chat-box{max-width:800px}.message-body{max-width:70%}.chat-messages{padding:24px 32px}.chat-header{height:56px}.header-title{font-size:20px}.header-back-btn img,.header-icon-btn img,.header-icon-btn svg{width:24px;height:24px}.message-avatar,.assistant-avatar,.user-avatar{width:40px;height:40px}.chat-input-row{padding:20px 16px}}.chat-header{z-index:10;background:#131418;border-bottom:none;flex-shrink:0;justify-content:space-between;align-items:center;width:100%;height:44px;padding:0 16px;display:flex;position:relative}.header-back-btn{cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;padding:8px 12px;transition:opacity .2s;display:flex}.header-back-btn:hover{opacity:.7}.header-back-btn img{width:24px;height:24px}.header-title{color:#ffffffe6;text-align:center;flex:1;font-family:SF Pro Text,-apple-system,BlinkMacSystemFont,sans-serif;font-size:18px;font-style:normal;font-weight:400;line-height:normal}.header-icon-btn{color:#fff;cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;padding:8px 12px;transition:opacity .2s;display:flex}.header-icon-btn:hover{opacity:.7}.header-icon-btn img{width:20px;height:20px}.header-icon-btn svg{stroke:#fff;width:20px;height:20px}.chat-header-actions{align-items:center;gap:8px;display:flex}.chat-messages{scroll-behavior:smooth;box-sizing:border-box;flex:1;width:100%;max-width:100%;padding:20px 16px;overflow:hidden auto}.chat-messages::-webkit-scrollbar{width:6px}.chat-messages::-webkit-scrollbar-track{background:0 0}.chat-messages::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.chat-empty{height:100%;color:var(--text-muted);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex}.chat-empty h2{color:var(--text-secondary);font-size:1.3rem}.chat-empty p{font-size:.9rem}.chat-empty-avatar{border-radius:8px;width:48px;height:48px}.chat-message{gap:12px;margin-bottom:20px;animation:.3s fadeIn;display:flex}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.chat-message.user{flex-direction:row-reverse}.message-avatar{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:.9rem;display:flex}.chat-message.user .message-avatar{background:var(--user-bubble);color:#fff}.chat-message.assistant .message-avatar{background:0 0;border:none;border-radius:8px;overflow:hidden}.assistant-avatar{object-fit:contain;border-radius:8px;width:36px;height:36px}.user-avatar{object-fit:cover;border-radius:50%;width:36px;height:36px}.message-body{flex-direction:column;gap:4px;min-width:0;max-width:78%;display:flex}.message-attachments{flex-wrap:wrap;gap:8px;margin-bottom:4px;display:flex}.message-attachment{border-radius:var(--radius-sm);max-width:200px;overflow:hidden}.message-media{object-fit:cover;border-radius:var(--radius-sm);width:100%;max-height:200px;display:block}.message-content{border-radius:var(--radius);word-break:break-word;padding:12px 16px;font-size:.925rem;line-height:1.6}.chat-message.user .message-content{color:#ffffffe6;background:#007cff;border-radius:8px;flex-direction:column;justify-content:center;align-items:flex-start;gap:8px;padding:12px;font-family:SF Pro Text,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;font-style:normal;font-weight:400;line-height:normal;display:flex}.chat-message.assistant .message-content{color:var(--text-primary);background:#ffffff12;border:none;border-radius:8px;flex-direction:column;justify-content:center;align-items:flex-start;gap:8px;padding:12px;display:flex}.message-content p{margin-bottom:8px}.message-content p:last-child{margin-bottom:0}.message-content ul,.message-content ol{margin:8px 0;padding-left:20px}.message-content li{margin-bottom:4px}.message-content blockquote{border-left:3px solid var(--primary);color:var(--text-secondary);margin:8px 0;padding-left:12px}.message-content pre{border-radius:var(--radius-sm);margin:8px 0;overflow:hidden}.message-content pre div{border-radius:var(--radius-sm)!important}.message-content code{background:#0000004d;border-radius:4px;padding:2px 6px;font-size:.85em}.message-content pre code{background:0 0;padding:0}.message-content a{color:var(--primary-light);text-decoration:none}.message-content a:hover{text-decoration:underline}.message-content table{border-collapse:collapse;width:100%;margin:8px 0}.message-content th,.message-content td{border:1px solid var(--border);text-align:left;padding:6px 10px}.message-content th{background:#0003}.message-time{color:var(--text-muted);padding:0 4px;font-size:.7rem}.message-content-blocks{flex-direction:column;gap:8px;display:flex}.content-block-image .message-media,.content-block-video .message-media{border-radius:var(--radius-sm);max-width:300px;max-height:300px}.content-block-image .message-media{cursor:pointer;transition:opacity .2s}.content-block-image .message-media:hover{opacity:.9}.content-block-video .message-media{width:100%;max-width:400px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.chat-message.user .message-time{text-align:right}.typing-indicator{align-items:center;gap:4px;display:flex;padding:12px 20px!important}.typing-indicator span{background:var(--text-muted);border-radius:50%;width:8px;height:8px;animation:1.4s ease-in-out infinite typingBounce}.typing-indicator span:first-child{animation-delay:0s}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,80%,to{opacity:.4;transform:scale(.6)}40%{opacity:1;transform:scale(1)}}.thinking-message{color:var(--text-secondary);align-items:center;font-size:.9rem;animation:1.5s ease-in-out infinite thinkingPulse;display:flex;padding:12px!important}@keyframes thinkingPulse{0%,to{opacity:.6}50%{opacity:1}}.loading-indicator{color:var(--text-muted);justify-content:center;align-items:center;padding:12px;font-size:.85rem;display:flex}.loading-indicator .spinner{border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:16px;height:16px;margin-right:8px;animation:.8s linear infinite spin;display:inline-block}.history-loading{color:var(--text-muted);background:linear-gradient(to bottom, var(--bg-card), transparent);justify-content:center;align-items:center;gap:8px;margin-bottom:8px;padding:16px;font-size:.85rem;display:flex}.history-loading .spinner{border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:18px;height:18px;animation:.8s linear infinite spin;display:inline-block}.no-more-data{color:var(--text-muted);justify-content:center;align-items:center;padding:12px;font-size:.85rem;display:flex}.no-more-data:before,.no-more-data:after{content:"";background:var(--border);width:40px;height:1px;margin:0 12px}.time-separator{color:var(--text-muted);justify-content:center;align-items:center;padding:16px 0 8px;font-size:.75rem;display:flex}.chat-input-container{border-top:1px solid var(--border);box-sizing:border-box;background:#131418;flex-shrink:0;width:100%;max-width:100%;padding:12px 16px 16px;overflow:hidden}.attachments-preview{flex-wrap:wrap;gap:8px;padding-bottom:10px;display:flex}.attachment-item{border-radius:var(--radius-sm);border:1px solid var(--border);position:relative;overflow:hidden}.attachment-thumb{object-fit:cover;width:64px;height:64px;display:block}.attachment-uploading-overlay{color:#fff;background:#0009;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.attachment-remove{color:#fff;cursor:pointer;background:#000000b3;border:none;border-radius:50%;justify-content:center;align-items:center;padding:2px;transition:background .2s;display:flex;position:absolute;top:2px;right:2px}.attachment-remove:hover{background:#ef4444}.chat-input-row{box-sizing:border-box;background:#242528;border:none;border-radius:8px;align-items:center;gap:10px;width:100%;max-width:100%;padding:18px 12px;display:flex;overflow:hidden}.input-action-btn{color:var(--text-muted);cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;flex-shrink:0;align-items:center;padding:6px;transition:all .2s;display:flex}.input-action-btn:hover{color:var(--primary-light);background:var(--bg-hover)}.chat-textarea{color:var(--dark-90,#ffffffe6);resize:none;background:0 0;border:none;outline:none;flex:1;min-height:20px;max-height:80px;padding:0;font-family:SF Pro Text,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;font-style:normal;font-weight:400;line-height:normal;overflow-y:hidden}@supports (color:color(display-p3 0 0 0)){.chat-textarea{color:var(--dark-90,color(display-p3 1 1 1/.9))}}.chat-textarea::placeholder{color:var(--text-muted)}.send-btn{background:#007cff;cursor:pointer;background:color(display-p3 0 .4784 1);border:none;border-radius:16px;flex-shrink:0;justify-content:center;align-items:center;gap:10px;width:28px;height:28px;transition:all .2s;display:flex}.send-btn img{width:16px;height:16px}.send-btn:hover:not(:disabled){opacity:.9}.send-btn:disabled{opacity:.4;cursor:not-allowed}@media (width<=768px){.chat-box{width:100%;max-width:100%;overflow:hidden}.chat-header{height:44px;padding:0 12px}.chat-header h1{font-size:1rem}.chat-messages{padding:12px 10px}.message-body{max-width:85%}.message-content{padding:10px 12px;font-size:.875rem}.message-attachment{max-width:140px}.message-media{max-height:140px}.chat-input-container{padding:8px 10px 12px}.chat-input-row{padding:12px 8px}.attachment-thumb{width:52px;height:52px}}@media (width<=480px){.chat-box{max-width:100%}.message-avatar,.assistant-avatar,.user-avatar{width:30px;height:30px}.message-body{max-width:88%}.chat-message{gap:8px}.message-content{padding:8px 10px;font-size:.85rem}.chat-header{padding:0 8px}.header-back-btn,.header-icon-btn{padding:6px 8px}}.login-page{background:var(--bg-main);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);width:100%;max-width:400px;box-shadow:var(--shadow);padding:36px 28px}.login-header{text-align:center;margin-bottom:32px}.login-logo{border-radius:12px;justify-content:center;align-items:center;width:64px;height:64px;margin:0 auto 16px;display:flex}.login-logo img{object-fit:contain;border-radius:12px;width:64px;height:64px}.login-header h1{color:var(--text-primary);margin-bottom:6px;font-size:1.4rem}.login-header p{color:var(--text-muted);font-size:.9rem}.login-form{flex-direction:column;gap:20px;display:flex}.form-group{flex-direction:column;gap:6px;display:flex}.form-group label{color:var(--text-secondary);align-items:center;gap:6px;font-size:.85rem;font-weight:500;display:flex}.form-group input{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);outline:none;padding:10px 14px;font-family:inherit;font-size:.925rem;transition:border-color .2s}.form-group input:focus{border-color:var(--primary)}.form-group input::placeholder{color:var(--text-muted)}.code-input-row{gap:10px;display:flex}.code-input-row input{flex:1}.login-error{color:#fca5a5;border-radius:var(--radius-sm);text-align:center;background:#ef44441a;border:1px solid #ef44444d;padding:10px 14px;font-size:.85rem}.login-btn{background:linear-gradient(135deg, var(--primary), var(--primary-dark));border-radius:var(--radius-sm);color:#fff;cursor:pointer;border:none;justify-content:center;align-items:center;gap:8px;width:100%;padding:12px;font-size:1rem;font-weight:600;transition:all .2s;display:flex}.login-btn:hover:not(:disabled){opacity:.9;transform:translateY(-1px)}.login-btn:active:not(:disabled){transform:translateY(0)}.login-btn:disabled{opacity:.6;cursor:not-allowed}.spin{animation:1s linear infinite spin}@media (width<=480px){.login-card{padding:28px 20px}.login-header h1{font-size:1.2rem}}.confirm-modal-overlay{z-index:1000;background:#0009;justify-content:center;align-items:flex-end;padding-bottom:24px;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.confirm-modal{background:#333332;width:343px;box-shadow:var(--shadow);background:color(display-p3 .2 .1989 .196);border:none;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:24px;padding:24px 16px;display:flex}.confirm-modal-title{color:#ffffffe6;color:color(display-p3 1 1 1/.9);text-align:center;font-family:SF Pro Text;font-size:16px;font-style:normal;font-weight:600;line-height:normal}.confirm-modal-content{color:var(--text-secondary);margin-bottom:20px;font-size:.9rem;line-height:1.5}.confirm-modal-actions{justify-content:flex-end;gap:12px;display:flex}.confirm-btn{cursor:pointer;border:none;border-radius:8px;padding:10px 20px;font-size:.9rem;transition:all .2s}.confirm-btn.cancel{background:0 0;color:#ffffffe6;color:color(display-p3 1 1 1/.9);background:color(display-p3 0 0 0/0);border:1px solid #fff3;border:1px solid color(display-p3 1 1 1/.2);border-radius:8px;flex:1 0 0;justify-content:center;align-items:center;gap:8px;padding:16px 20px;display:flex}.confirm-btn.cancel:hover:not(:disabled){background:#ffffff12;background:color(display-p3 1 1 1/.07)}.confirm-btn.confirm{background:#007cff;color:#fff;background:color(display-p3 0 .4784 1)}.confirm-btn.confirm:hover:not(:disabled){opacity:.9}.confirm-btn:disabled{opacity:.5;cursor:not-allowed}
