:root{--bg:#0e1013;--sidebar:#15181e;--panel:#191d24;--panel-2:#20252e;--line:#2a2f3a;--line-2:#353c49;--text:#eceef1;--muted:#9aa2ad;--muted-2:#6b7280;--accent:#c8102e;--accent-2:#3b82f6;--user:#2563eb;--radius:12px;font-family:system-ui,-apple-system,Segoe UI,PingFang SC,Microsoft YaHei,Roboto,sans-serif}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;overflow:hidden}button{font-family:inherit}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:#2c313b;border-radius:6px}::-webkit-scrollbar-thumb:hover{background:#3a414d}.app{display:grid;grid-template-columns:288px 1fr;height:100vh;height:100dvh}.main{min-width:0}.main,.sidebar{display:flex;flex-direction:column;height:100vh;height:100dvh}.sidebar{background:var(--sidebar);border-right:1px solid var(--line)}.sb-top{padding:14px 14px 8px}.brand{display:flex;align-items:center;gap:9px;margin-bottom:12px}.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--accent)}.brand b{font-size:16px;letter-spacing:.3px}.brand span{color:var(--muted-2);font-size:12px}.new-btn{width:100%;display:flex;align-items:center;gap:8px;justify-content:center;background:var(--accent);color:#fff;border:none;border-radius:10px;padding:11px;font-size:14px;font-weight:600;cursor:pointer}.new-btn:hover{filter:brightness(1.08)}.sb-scroll{flex:1 1;overflow-y:auto;padding:6px 8px 8px}.sb-label{color:var(--muted-2);font-size:11px;text-transform:uppercase;letter-spacing:.6px;margin:14px 8px 6px;display:flex;justify-content:space-between;align-items:center}.sb-label button{background:none;border:none;color:var(--muted-2);cursor:pointer;font-size:15px;line-height:1;padding:0 4px;border-radius:6px}.sb-label button:hover{color:var(--text);background:var(--panel-2)}.sb-item{display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:9px;cursor:pointer;color:var(--text);font-size:13.5px;position:relative}.sb-item:hover{background:var(--panel)}.sb-item.active{background:var(--panel-2)}.sb-item .ic{flex:none;opacity:.8}.sb-item .t{flex:1 1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sb-item .del{opacity:0;background:none;border:none;color:var(--muted);cursor:pointer;font-size:13px;padding:2px 5px;border-radius:6px;flex:none}.sb-item:hover .del{opacity:.8}.sb-item .del:hover{background:#3a2226;color:#f87171;opacity:1}.sb-empty{color:var(--muted-2);font-size:12.5px;padding:6px 10px}.sb-bottom{border-top:1px solid var(--line);padding:8px;display:flex;flex-direction:column;gap:2px}.logout-btn,.tool-btn{display:flex;align-items:center;gap:9px;padding:10px;border-radius:9px;background:none;border:none;color:var(--text);font-size:13.5px;cursor:pointer;text-align:left;width:100%}.logout-btn:hover,.tool-btn:hover{background:var(--panel)}.tool-btn.active{background:var(--panel-2)}.logout-btn{color:var(--muted)}.chat-head{height:54px;flex:none;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;padding:0 18px}.chat-head .title{font-size:14.5px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-head .tag{font-size:11px;color:var(--muted);border:1px solid var(--line-2);border-radius:999px;padding:2px 9px;flex:none}.hamburger{display:none;background:none;border:none;color:var(--text);font-size:20px;cursor:pointer}.chat-scroll{flex:1 1;overflow-y:auto}.chat-inner{max-width:820px;margin:0 auto;padding:26px 22px 8px;display:flex;flex-direction:column;gap:22px}.row{display:flex;gap:13px}.row .avatar{flex:none;width:30px;height:30px;border-radius:8px;display:grid;place-items:center;font-size:13px;font-weight:700}.row.user .avatar{background:var(--user);color:#fff}.row.assistant .avatar{background:var(--accent);color:#fff}.bubble{flex:1 1;min-width:0;padding-top:3px;line-height:1.65;font-size:15px}.bubble.user{white-space:pre-wrap;word-break:break-word}.md>:first-child{margin-top:0}.md>:last-child{margin-bottom:0}.md ol,.md p,.md ul{margin:0 0 10px}.md ol,.md ul{padding-left:22px}.md li{margin:3px 0}.md h1,.md h2,.md h3{margin:16px 0 8px;line-height:1.3}.md code{background:#0c0e12;border:1px solid var(--line);border-radius:5px;padding:1px 5px;font-size:13px;font-family:SF Mono,ui-monospace,Menlo,monospace}.md pre{background:#0a0c10;border:1px solid var(--line);border-radius:10px;padding:13px 14px;overflow-x:auto;margin:0 0 12px}.md pre code{background:none;border:none;padding:0}.md a{color:var(--accent-2)}.md table{border-collapse:collapse;margin:0 0 12px;display:block;overflow-x:auto}.md td,.md th{border:1px solid var(--line);padding:6px 10px;font-size:13.5px}.md blockquote{border-left:3px solid var(--line-2);margin:0 0 10px;padding:2px 0 2px 14px;color:var(--muted)}.cursor{display:inline-block;width:8px;height:16px;background:var(--muted);vertical-align:-3px;animation:blink 1s steps(2) infinite}@keyframes blink{50%{opacity:0}}.welcome{text-align:center;margin:auto;padding:40px 20px;color:var(--muted);max-width:560px}.welcome h1{color:var(--text);font-size:26px;margin:0 0 8px}.welcome .subs{font-size:14.5px;line-height:1.6}.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:20px}.chip{background:var(--panel);border:1px solid var(--line);color:var(--text);border-radius:999px;padding:8px 14px;font-size:13px;cursor:pointer}.chip:hover{border-color:var(--line-2);background:var(--panel-2)}.composer-wrap{flex:none;padding:10px 22px 18px}.composer{max-width:820px;margin:0 auto;background:var(--panel);border:1px solid var(--line-2);border-radius:16px;padding:8px 8px 8px 14px;display:flex;align-items:flex-end;gap:8px}.composer:focus-within{border-color:#46506180}.composer textarea{flex:1 1;resize:none;border:none;background:none;color:var(--text);font-size:15px;line-height:1.5;padding:8px 0;max-height:220px;outline:none;font-family:inherit}.icon-btn{flex:none;width:38px;height:38px;border-radius:10px;border:none;cursor:pointer;display:grid;place-items:center;font-size:17px}.mic{background:var(--panel-2);color:var(--text);border:1px solid var(--line)}.mic:hover{border-color:var(--line-2)}.mic.on{background:var(--accent);color:#fff;border-color:var(--accent);animation:pulse 1.3s infinite}@keyframes pulse{0%,to{box-shadow:0 0 0 0 #c8102e66}50%{box-shadow:0 0 0 6px #c8102e00}}.send{background:var(--accent);color:#fff}.send:disabled{background:#3a2a2e;color:#8a6a70;cursor:default}.composer-hint{max-width:820px;margin:8px auto 0;color:var(--muted-2);font-size:11.5px;text-align:center}.pane{flex:1 1;overflow-y:auto}.pane-inner{max-width:760px;margin:0 auto;padding:30px 24px 60px}.pane h2{font-size:20px;margin:0 0 6px}.pane .sub{color:var(--muted);font-size:14px;margin:0 0 22px;line-height:1.55}.field{display:block;margin-bottom:16px}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.field input,.field textarea{width:100%;background:var(--panel-2);color:var(--text);border:1px solid var(--line);border-radius:10px;padding:11px 12px;font-size:14.5px;font-family:inherit}.field textarea{min-height:140px;resize:vertical;line-height:1.5}.btn{background:var(--accent);color:#fff;border:none;border-radius:10px;padding:11px 18px;font-size:14px;font-weight:600;cursor:pointer}.btn.ghost{background:var(--panel-2);border:1px solid var(--line);color:var(--text);font-weight:500}.btn:disabled{opacity:.5;cursor:default}.btn-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.drop{border:1.5px dashed var(--line-2);border-radius:14px;padding:34px;text-align:center;color:var(--muted);cursor:pointer;transition:.15s}.drop.over,.drop:hover{border-color:var(--accent);background:#14171d;color:var(--text)}.drop b{color:var(--text);font-size:15px}.status{font-size:14px;margin-top:14px}.status.err{color:#f87171}.status.ok{color:#4ade80}.status.run{color:var(--muted)}.spinner{display:inline-block;width:14px;height:14px;border:2px solid;border-top:2px solid transparent;border-radius:50%;animation:spin .7s linear infinite;vertical-align:-2px;margin-right:5px}@keyframes spin{to{transform:rotate(1turn)}}.attach{background:var(--panel-2);color:var(--text);border:1px solid var(--line)}.attach:hover{border-color:var(--line-2)}.chips-row{max-width:820px;margin:0 auto 8px;display:flex;flex-wrap:wrap;gap:7px}.attn-chip{display:flex;align-items:center;gap:7px;background:var(--panel-2);border:1px solid var(--line);border-radius:9px;padding:6px 9px;font-size:12.5px;max-width:240px}.attn-chip .n{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attn-chip .x{background:none;border:none;color:var(--muted);cursor:pointer;font-size:13px;padding:0 2px}.attn-chip .x:hover{color:#f87171}.attn-chip.load{color:var(--muted)}.msg-attn{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.msg-attn .a{display:inline-flex;align-items:center;gap:6px;background:#0c0e12;border:1px solid var(--line);border-radius:8px;padding:4px 9px;font-size:12px;color:var(--muted)}.msg-attn img{max-width:200px;max-height:200px;border-radius:8px;border:1px solid var(--line)}.codewrap{position:relative}.codewrap .dl{position:absolute;top:7px;right:7px;background:#20252e;border:1px solid var(--line-2);color:var(--text);border-radius:7px;font-size:11.5px;padding:3px 9px;cursor:pointer;opacity:.85}.codewrap .dl:hover{opacity:1;background:var(--accent);border-color:var(--accent)}.mobile-backdrop{display:none}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;overflow:auto}.login-card{width:100%;max-width:370px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:26px}.login-card h2{margin:8px 0 4px;font-size:18px}.login-card .sub{color:var(--muted);font-size:13.5px;margin:0 0 8px}.login-card input{background:var(--panel-2);color:var(--text);border:1px solid var(--line);border-radius:10px;font-size:15px;margin:12px 0}.login-card .btn,.login-card input{width:100%;padding:12px}@media (max-width:820px){.app{grid-template-columns:1fr}.sidebar{position:fixed;z-index:40;left:0;top:0;width:288px;transform:translateX(-100%);transition:transform .2s}.sidebar.open{transform:translateX(0)}.hamburger{display:block}.mobile-backdrop.show{display:block;position:fixed;inset:0;background:#0008;z-index:30}}