*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary:#0d1117;--bg-secondary:#161b22;--bg-tertiary:#1c2333;--bg-hover:#212837;--border:#30363d;--border-light:#21262d;--text-primary:#e6edf3;--text-secondary:#8b949e;--text-muted:#484f58;--accent:#58a6ff;--accent-hover:#79b8ff;--user-bubble:#1f6feb;--user-text:#fff;--assistant-bubble:#1c2333;--assistant-border:#30363d;--thinking-dot:#58a6ff;--success:#3fb950;--warning:#d29922;--danger:#f85149;--header-height:52px;--input-height:60px}html,body,#root{width:100%;height:100%;overflow:hidden}body{background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans,Helvetica,Arial,sans-serif}.app{border-left:1px solid var(--border);border-right:1px solid var(--border);flex-direction:column;max-width:860px;height:100%;margin:0 auto;display:flex}.header{height:var(--header-height);border-bottom:1px solid var(--border);background:var(--bg-secondary);flex-shrink:0;justify-content:space-between;align-items:center;padding:0 16px;display:flex}.header-left{align-items:center;gap:8px;display:flex}.logo{color:var(--accent)}.title{font-size:15px;font-weight:600}.header-right{align-items:center;gap:8px;display:flex}.status-dot{border-radius:50%;width:8px;height:8px;display:inline-block}.status-dot.connected{background:var(--success);box-shadow:0 0 6px var(--success)}.status-dot.disconnected{background:var(--danger)}.status-text{color:var(--text-secondary);font-size:12px}.thinking-badge{background:var(--accent);color:var(--bg-primary);border-radius:10px;padding:2px 8px;font-size:11px;font-weight:500;animation:1.5s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.chat-area{background:var(--bg-primary);flex:1;overflow:hidden auto}.chat-area::-webkit-scrollbar{width:8px}.chat-area::-webkit-scrollbar-track{background:0 0}.chat-area::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.chat-area::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.welcome{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;height:100%;padding:40px 20px;display:flex}.welcome-icon{color:var(--text-muted);margin-bottom:8px}.welcome h2{color:var(--text-primary);font-size:20px;font-weight:600}.welcome p{color:var(--text-secondary);max-width:340px;font-size:14px;line-height:1.5}.messages{flex-direction:column;gap:8px;min-height:100%;padding:16px;display:flex}.message{animation:.2s ease-out fadeIn;display:flex}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.message.user{justify-content:flex-end}.message.assistant{justify-content:flex-start}.message-bubble{word-wrap:break-word;overflow-wrap:break-word;border-radius:12px;max-width:80%;padding:8px 14px;font-size:14px;line-height:1.5}.message.user .message-bubble{background:var(--user-bubble);color:var(--user-text);border-bottom-right-radius:4px}.message.assistant .message-bubble{background:var(--assistant-bubble);border:1px solid var(--assistant-border);border-bottom-left-radius:4px}.message-header{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px;font-size:11px;font-weight:500}.message.user .message-header{text-align:right;color:#fff9}.message-content p{margin-bottom:8px}.message-content p:last-child{margin-bottom:0}.message-content code{background:#0000004d;border-radius:4px;padding:1px 6px;font-family:JetBrains Mono,SF Mono,Fira Code,monospace;font-size:13px}.message-content pre{border:1px solid var(--border-light);background:#0006;border-radius:8px;margin:8px 0;padding:12px 16px;overflow-x:auto}.message-content pre code{color:var(--text-primary);background:0 0;padding:0;font-size:13px}.message-content strong{font-weight:600}.message-content em{font-style:italic}.thinking-indicator{justify-content:flex-start}.thinking-bubble{min-width:60px;padding:12px 18px!important}.typing-dots{align-items:center;gap:4px;display:flex}.dot{background:var(--thinking-dot);border-radius:50%;width:7px;height:7px;animation:1.4s ease-in-out infinite typingBounce}.dot:first-child{animation-delay:0s}.dot:nth-child(2){animation-delay:.2s}.dot:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,60%,to{opacity:.4;transform:translateY(0)}30%{opacity:1;transform:translateY(-6px)}}.input-area{border-top:1px solid var(--border);background:var(--bg-secondary);flex-shrink:0}.input-wrapper{align-items:flex-end;gap:8px;padding:12px 16px;display:flex}.input-field{background:var(--bg-tertiary);border:1px solid var(--border);color:var(--text-primary);resize:none;border-radius:10px;outline:none;flex:1;max-height:120px;padding:10px 14px;font-family:inherit;font-size:14px;line-height:1.4;transition:border-color .15s}.input-field:focus{border-color:var(--accent)}.input-field::placeholder{color:var(--text-muted)}.input-field:disabled{opacity:.5}.send-btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;transition:background .15s,opacity .15s;display:flex}.send-btn:hover:not(:disabled){background:var(--accent-hover)}.send-btn:disabled{opacity:.4;cursor:not-allowed}.send-btn svg{margin-left:2px}@media (width<=600px){.message-bubble{max-width:90%}.app{border:none}}.login-page{background:var(--bg-primary);justify-content:center;align-items:center;height:100%;padding:20px;display:flex}.login-card{background:var(--bg-secondary);border:1px solid var(--border);text-align:center;border-radius:16px;width:100%;max-width:380px;padding:40px 32px}.login-logo{margin-bottom:12px}.login-title{margin-bottom:4px;font-size:22px;font-weight:700}.login-subtitle{color:var(--text-secondary);margin-bottom:24px;font-size:13px}.login-form{flex-direction:column;gap:12px;display:flex}.login-input{background:var(--bg-tertiary);border:1px solid var(--border);width:100%;color:var(--text-primary);border-radius:10px;outline:none;padding:10px 14px;font-family:inherit;font-size:15px;transition:border-color .15s}.login-input:focus{border-color:var(--accent)}.login-input::placeholder{color:var(--text-muted)}.login-btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:10px;width:100%;padding:10px;font-size:15px;font-weight:600;transition:background .15s,opacity .15s}.login-btn:hover:not(:disabled){background:var(--accent-hover)}.login-btn:disabled{opacity:.4;cursor:not-allowed}.login-error{color:var(--danger);margin:0;font-size:13px}.logout-btn{border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:8px;align-items:center;padding:4px 8px;transition:border-color .15s,color .15s;display:flex}.logout-btn:hover{border-color:var(--text-muted);color:var(--text-primary)}.source-badge{color:var(--accent);text-transform:none;letter-spacing:normal;background:#58a6ff26;border-radius:4px;margin-left:6px;padding:1px 6px;font-size:10px;font-weight:500}.code-block-wrapper{border:1px solid var(--border-light);background:#0d1117;border-radius:8px;margin:8px 0;position:relative;overflow:hidden}.code-lang{color:var(--text-muted);border-bottom:1px solid var(--border-light);text-transform:uppercase;letter-spacing:.5px;background:#161b22;padding:4px 12px;font-family:SF Mono,Fira Code,monospace;font-size:11px;display:block}.code-block-wrapper .code-block{margin:0;padding:12px 16px;overflow-x:auto;background:0 0!important;border:none!important}.code-block-wrapper .code-block code{tab-size:2;font-family:JetBrains Mono,SF Mono,Fira Code,monospace;font-size:13px;line-height:1.5}.code-block-wrapper pre{color:var(--text-primary);background:0 0!important;border:none!important;margin:0!important}.copy-btn{background:var(--bg-tertiary);border:1px solid var(--border);cursor:pointer;opacity:0;border-radius:6px;padding:4px 8px;font-size:12px;line-height:1;transition:opacity .15s;position:absolute;top:4px;right:4px}.code-block-wrapper:hover .copy-btn{opacity:1}.copy-btn:hover{background:var(--bg-hover);border-color:var(--text-muted)}.inline-code{color:#f0c674;background:#0000004d;border-radius:4px;padding:1px 6px;font-family:JetBrains Mono,SF Mono,Fira Code,monospace;font-size:13px}.message.user .inline-code{color:#e6edf3;background:#ffffff26}.table-wrapper{margin:8px 0;overflow-x:auto}.markdown-table{border-collapse:collapse;width:100%;font-size:13px}.markdown-table th,.markdown-table td{border:1px solid var(--border);text-align:left;padding:6px 12px}.markdown-table th{background:var(--bg-tertiary);color:var(--text-primary);font-weight:600}.markdown-table td{color:var(--text-secondary)}.markdown-table tr:nth-child(2n) td{background:#ffffff05}.markdown-body p{margin-bottom:8px;line-height:1.6}.markdown-body p:last-child{margin-bottom:0}.markdown-body ul,.markdown-body ol{margin:8px 0;padding-left:20px}.markdown-body li{margin-bottom:4px;line-height:1.5}.markdown-body li:last-child{margin-bottom:0}.markdown-body blockquote{border-left:3px solid var(--accent);color:var(--text-secondary);background:#58a6ff0d;border-radius:0 4px 4px 0;margin:8px 0;padding:4px 12px}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4{margin:12px 0 6px;font-weight:600;line-height:1.3}.markdown-body h1{font-size:16px}.markdown-body h2{font-size:15px}.markdown-body h3,.markdown-body h4{font-size:14px}.markdown-body a{color:var(--accent);text-decoration:none}.markdown-body a:hover{text-decoration:underline}.markdown-body hr{border:none;border-top:1px solid var(--border);margin:12px 0}.markdown-body img{border-radius:6px;max-width:100%;margin:8px 0}.hljs{color:var(--text-primary);background:0 0!important}.loading{height:100%;color:var(--text-secondary);justify-content:center;align-items:center;font-size:14px;display:flex}