@import"https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;600&family=Syne:wght@400;600;700;800&display=swap";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0d0d0f;--bg2: #13131a;--bg3: #1a1a24;--border: #2a2a3a;--border2: #3a3a50;--text: #e2e2f0;--text2: #9090b0;--text3: #5a5a7a;--accent: #7c3aed;--accent2: #9f67ff;--accent-glow: rgba(124,58,237,.25);--green: #10b981;--red: #ef4444;--yellow: #f59e0b;--code-bg: #0a0a10;--radius: 10px;--font-mono: "JetBrains Mono", monospace;--font-ui: "Syne", sans-serif}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);font-family:var(--font-mono);font-size:14px;line-height:1.6;overflow:hidden}.app{display:flex;height:100vh;overflow:hidden}.sidebar{width:260px;flex-shrink:0;background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden}.sidebar-header{padding:16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.sidebar-logo{font-family:var(--font-ui);font-weight:800;font-size:16px;color:var(--accent2);letter-spacing:-.5px}.btn-new{background:var(--accent);color:#fff;border:none;border-radius:6px;padding:5px 10px;font-family:var(--font-mono);font-size:12px;cursor:pointer;transition:background .15s}.btn-new:hover{background:var(--accent2)}.sidebar-sessions{flex:1;overflow-y:auto;padding:8px}.sidebar-sessions::-webkit-scrollbar{width:4px}.sidebar-sessions::-webkit-scrollbar-thumb{background:var(--border2);border-radius:2px}.sidebar-empty{color:var(--text3);font-size:12px;text-align:center;padding:24px 0}.session-item{position:relative;padding:10px 12px;border-radius:var(--radius);cursor:pointer;border:1px solid transparent;margin-bottom:4px;transition:all .15s}.session-item:hover{background:var(--bg3);border-color:var(--border)}.session-active{background:var(--bg3);border-color:var(--accent)!important}.session-title{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding-right:20px}.session-meta{font-size:11px;color:var(--text3);margin-top:2px}.session-delete{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text3);font-size:16px;cursor:pointer;opacity:0;transition:opacity .15s}.session-item:hover .session-delete{opacity:1}.session-delete:hover{color:var(--red)}.sidebar-footer{padding:12px 16px;border-top:1px solid var(--border);font-size:11px}.sidebar-footer a{color:var(--text3);text-decoration:none}.sidebar-footer a:hover{color:var(--accent2)}.main{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}.header{display:flex;align-items:center;gap:12px;padding:12px 20px;border-bottom:1px solid var(--border);background:var(--bg2);flex-shrink:0}.sidebar-toggle{background:none;border:1px solid var(--border);color:var(--text2);border-radius:6px;padding:4px 8px;cursor:pointer;font-size:16px}.sidebar-toggle:hover{border-color:var(--accent);color:var(--accent2)}.header-title{flex:1;display:flex;align-items:center;gap:12px}.model-badge{font-family:var(--font-mono);font-size:13px;font-weight:600;color:var(--accent2);background:var(--accent-glow);padding:3px 10px;border-radius:20px;border:1px solid rgba(124,58,237,.4)}.status-dot{font-size:11px}.status-dot.ok{color:var(--green)}.status-dot.warn{color:var(--yellow)}.btn-clear{background:none;border:1px solid var(--border);color:var(--text2);border-radius:6px;padding:4px 10px;font-size:12px;cursor:pointer;font-family:var(--font-mono)}.btn-clear:hover{border-color:var(--red);color:var(--red)}.mode-bar{display:flex;align-items:center;gap:6px;padding:10px 20px;border-bottom:1px solid var(--border);overflow-x:auto;flex-shrink:0;background:var(--bg2)}.mode-bar::-webkit-scrollbar{height:0}.mode-btn{background:none;border:1px solid var(--border);color:var(--text2);border-radius:20px;padding:4px 12px;font-size:12px;cursor:pointer;font-family:var(--font-mono);white-space:nowrap;transition:all .15s;flex-shrink:0}.mode-btn:hover{border-color:var(--border2);color:var(--text)}.mode-active{background:var(--accent-glow)!important;font-weight:600}.lang-select{margin-left:auto;background:var(--bg3);border:1px solid var(--border);color:var(--text2);border-radius:6px;padding:4px 8px;font-size:12px;font-family:var(--font-mono);cursor:pointer;flex-shrink:0}.lang-select:focus{outline:none;border-color:var(--accent)}.messages{flex:1;overflow-y:auto;padding:24px 20px;display:flex;flex-direction:column;gap:20px}.messages::-webkit-scrollbar{width:5px}.messages::-webkit-scrollbar-thumb{background:var(--border2);border-radius:2px}.welcome{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:40px}.welcome-icon{font-size:48px;filter:drop-shadow(0 0 20px var(--accent))}.welcome h1{font-family:var(--font-ui);font-size:28px;font-weight:800;background:linear-gradient(135deg,var(--accent2),#c084fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.welcome p{color:var(--text3);font-size:13px}.welcome-modes{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:16px;max-width:500px}.welcome-mode{display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 16px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;font-size:12px;color:var(--text2);transition:all .15s;min-width:80px}.welcome-mode:hover{border-color:var(--accent);color:var(--accent2);background:var(--accent-glow)}.welcome-mode span:first-child{font-size:20px}.message{display:flex;gap:12px;max-width:900px;width:100%}.message-user{align-self:flex-end;flex-direction:row-reverse}.message-assistant{align-self:flex-start}.message-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;background:var(--bg3);border:1px solid var(--border)}.message-bubble{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:12px 16px;max-width:calc(100% - 44px);min-width:60px}.message-user .message-bubble{background:var(--accent-glow);border-color:#7c3aed66}.assistant-content{display:flex;flex-direction:column;gap:10px;line-height:1.7}.message-meta{font-size:11px;color:var(--text3);margin-top:8px;padding-top:8px;border-top:1px solid var(--border)}.code-block{background:var(--code-bg);border:1px solid var(--border);border-radius:8px;overflow:hidden;font-size:13px}.code-header{display:flex;align-items:center;justify-content:space-between;padding:6px 12px;background:var(--bg3);border-bottom:1px solid var(--border)}.code-lang{font-size:11px;color:var(--accent2);text-transform:uppercase;letter-spacing:1px}.copy-btn{background:none;border:1px solid var(--border);color:var(--text3);border-radius:4px;padding:2px 8px;font-size:11px;cursor:pointer;font-family:var(--font-mono);transition:all .15s}.copy-btn:hover{border-color:var(--accent);color:var(--accent2)}.code-block pre{padding:14px 16px;overflow-x:auto;line-height:1.6}.code-block pre::-webkit-scrollbar{height:4px}.code-block pre::-webkit-scrollbar-thumb{background:var(--border2)}.inline-code{background:var(--bg3);border:1px solid var(--border);border-radius:4px;padding:1px 6px;font-size:12px;color:var(--accent2)}.thinking{display:flex;gap:5px;align-items:center;padding:4px 0}.thinking span{width:7px;height:7px;background:var(--accent);border-radius:50%;animation:pulse 1.2s ease-in-out infinite}.thinking span:nth-child(2){animation-delay:.2s}.thinking span:nth-child(3){animation-delay:.4s}@keyframes pulse{0%,to{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1)}}.cursor-blink{animation:blink .8s step-end infinite;color:var(--accent2)}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.error-banner{display:flex;align-items:center;justify-content:space-between;background:#ef44441a;border:1px solid rgba(239,68,68,.4);color:var(--red);border-radius:var(--radius);padding:10px 14px;font-size:13px}.error-banner button{background:none;border:none;color:var(--red);cursor:pointer;font-size:18px;line-height:1}.input-area{flex-shrink:0;padding:16px 20px;border-top:1px solid var(--border);background:var(--bg2)}.input-wrapper{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color .15s}.input-wrapper:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.input-box{width:100%;background:none;border:none;color:var(--text);font-family:var(--font-mono);font-size:14px;padding:14px 16px 8px;resize:none;outline:none;line-height:1.6}.input-box::placeholder{color:var(--text3)}.input-box:disabled{opacity:.5;cursor:not-allowed}.input-actions{display:flex;align-items:center;justify-content:space-between;padding:6px 12px 10px}.input-hint{font-size:11px;color:var(--text3)}.btn-send{background:var(--accent);color:#fff;border:none;border-radius:6px;padding:6px 16px;font-family:var(--font-mono);font-size:13px;font-weight:600;cursor:pointer;transition:all .15s}.btn-send:hover:not(:disabled){background:var(--accent2);box-shadow:0 0 12px var(--accent-glow)}.btn-send:disabled{opacity:.4;cursor:not-allowed}.btn-stop{background:none;border:1px solid var(--red);color:var(--red);border-radius:6px;padding:6px 14px;font-family:var(--font-mono);font-size:13px;cursor:pointer}.btn-stop:hover{background:#ef44441a}.input-footer{text-align:center;font-size:11px;color:var(--text3);margin-top:8px}*{scrollbar-width:thin;scrollbar-color:var(--border2) transparent}@media(max-width:768px){.sidebar{position:absolute;z-index:100;height:100vh}.mode-btn .label{display:none}}