:root{--ground:#fafaf9;--surface:#fff;--hairline:#00000014;--hairline-strong:#00000024;--text:#1d1d1f;--text-secondary:#6e6e73;--text-tertiary:#8e8e93;--accent:#0a63c9;--danger:#c7362f;--sidebar:236px;--topbar:44px;--radius:10px;color:var(--text);background:var(--ground);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Source Han Sans SC,Noto Sans CJK SC,sans-serif}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--hairline-strong);border-radius:999px}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}*{box-sizing:border-box}body{margin:0}button{font:inherit;cursor:pointer}input,textarea{font:inherit;color:inherit}.login{background:var(--ground);place-items:center;min-height:100vh;padding:24px;display:grid}.login form{background:var(--surface);border:1px solid var(--hairline);border-radius:14px;width:100%;max-width:340px;padding:32px 28px}.login h1{letter-spacing:-.02em;margin:0 0 4px;font-size:21px;font-weight:600}.login p.sub{color:var(--text-secondary);margin:0 0 24px;font-size:13px}.field{margin-bottom:14px;display:block}.field span{color:var(--text-secondary);margin-bottom:6px;font-size:12px;display:block}.field input{border:1px solid var(--hairline-strong);background:var(--surface);border-radius:8px;outline:none;width:100%;padding:9px 11px}.field input:focus{border-color:var(--accent)}.login button[type=submit]{background:var(--accent);color:#fff;border:0;border-radius:8px;width:100%;margin-top:8px;padding:10px;font-weight:500}.login button[type=submit]:disabled{opacity:.5}.error{color:var(--danger);margin-top:14px;font-size:13px}.app{grid-template-columns:var(--sidebar) 1fr;grid-template-rows:minmax(0,1fr);height:100vh;display:grid}.app.collapsed{grid-template-columns:1fr}.sidebar{background:var(--ground);border-right:1px solid var(--hairline);flex-direction:column;min-height:0;padding:14px 10px 10px;display:flex;overflow:hidden}.sidebar-head{gap:6px;margin-bottom:14px;display:flex}.sidebar-toggle{border:1px solid var(--hairline-strong);background:var(--surface);width:34px;color:var(--text-secondary);cursor:pointer;border-radius:8px;flex:none}.sidebar-toggle:hover{border-color:var(--accent);color:var(--accent)}.topbar .sidebar-toggle{border:0;border-right:1px solid var(--hairline);height:var(--topbar);background:0 0;border-radius:0}.new-chat{border:1px solid var(--hairline-strong);background:var(--surface);color:var(--accent);border-radius:8px;flex:1;padding:8px;font-size:13.5px;font-weight:500}.new-chat:hover{border-color:var(--accent)}.section-label{color:var(--text-tertiary);letter-spacing:.02em;padding:0 10px 6px;font-size:11.5px}.conv-list{flex:auto;min-height:0;margin:0 0 14px;padding:0;list-style:none;overflow-y:auto}.conv-list ul{margin:0;padding:0;list-style:none}.conv-group{color:var(--text-tertiary);padding:8px 10px 4px;font-size:11.5px}.conv-list button{text-align:left;background:0 0;border:0;border-radius:8px;align-items:center;gap:6px;width:100%;padding:7px 10px;display:flex}.conv-list button:hover{background:#0000000a}.conv-list button[aria-current=true]{color:var(--accent);background:#0a63c91a}.conv-title{text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:13px;overflow:hidden}.conv-del{color:var(--text-tertiary);visibility:hidden;border-radius:4px;padding:0 3px;line-height:1}.conv-list button:hover .conv-del{visibility:visible}.conv-del:hover{color:var(--text);background:#00000014}.conv-empty{color:var(--text-tertiary);padding:6px 10px;font-size:12.5px}.agent-list{flex:none;max-height:40%;margin:0;padding:0;list-style:none;overflow-y:auto}.agent-list button{text-align:left;background:0 0;border:0;border-radius:8px;width:100%;padding:8px 10px;display:block}.agent-list button:hover{background:#0000000a}.agent-list button[aria-current=true]{background:#0a63c91a}.agent-list .name{font-size:13.5px;font-weight:500}.agent-list .kind{color:var(--text-tertiary);margin-top:1px;font-size:11.5px}.sidebar footer{border-top:1px solid var(--hairline);color:var(--text-secondary);margin-top:8px;padding-top:8px;font-size:12.5px}.sidebar footer button{color:var(--text-secondary);text-align:left;background:0 0;border:0;border-radius:6px;width:100%;padding:6px 10px}.sidebar footer button:hover{color:var(--text);background:#0000000a}.who{color:var(--text-tertiary);padding:0 10px 6px;font-size:12.5px}.install button{color:var(--accent);font-weight:500}.install-hint{color:var(--text-tertiary);margin:4px 10px 6px;font-size:12px;line-height:1.6}.install-hint strong{color:var(--text-secondary);font-weight:500}.install-done{color:var(--accent);text-align:left;background:0 0;border:0;padding:4px 0 0;font-size:12px;display:block}.main{background:var(--surface);flex-direction:column;min-width:0;min-height:0;display:flex}.topbar{height:var(--topbar);border-bottom:1px solid var(--hairline);flex:none;align-items:stretch;display:flex}.tabs{flex:1;align-items:stretch;min-width:0;padding-right:8px;display:flex;overflow-x:auto}.tab{color:var(--text-secondary);white-space:nowrap;background:0 0;border:0;border-bottom:2px solid #0000;align-items:center;gap:6px;padding:0 12px;font-size:13px;display:flex}.tab[aria-selected=true]{color:var(--text);border-bottom-color:var(--accent)}.tab .close{color:var(--text-tertiary);background:0 0;border:0;border-radius:4px;padding:0 2px;line-height:1}.tab .close:hover{color:var(--text);background:#0000000f}.content,.pane{flex-direction:column;flex:1;min-height:0;display:flex}.pane[hidden]{display:none}.content iframe{border:0;flex:1;width:100%;height:100%}.chat{flex-direction:column;height:100%;min-height:0;display:flex}.messages{flex:1;min-height:0;padding:20px 24px;overflow-y:auto}.msg{max-width:760px;margin:0 auto 20px}.msg .role{color:var(--text-tertiary);margin-bottom:5px;font-size:11.5px}.msg.user .body{background:var(--ground);border-radius:var(--radius);padding:9px 13px;display:inline-block}.msg .body{font-size:14px;line-height:1.65}.msg .body>:first-child{margin-top:0}.msg .body>:last-child{margin-bottom:0}.msg .body table{border-collapse:collapse;font-variant-numeric:tabular-nums;max-width:100%;margin:10px 0;font-size:13px;display:block;overflow-x:auto}.msg .body img{max-width:100%;height:auto;margin:12px 0;display:block}.msg .body th,.msg .body td{border-bottom:1px solid var(--hairline);text-align:right;padding:5px 12px 5px 0}.msg .body th:first-child,.msg .body td:first-child{text-align:left}.msg .body th{color:var(--text-secondary);border-bottom-color:var(--hairline-strong);font-weight:500}.msg .body code{background:var(--ground);border-radius:5px;padding:1px 5px;font-size:12.5px}.thinking{color:var(--text-secondary);margin-bottom:10px;font-size:12.5px}.thinking summary{cursor:pointer;color:var(--text-tertiary)}.thinking ol{margin:8px 0 0;padding-left:18px}.thinking li{margin-bottom:3px}.chart-block{border:1px solid var(--hairline);border-radius:var(--radius);margin:12px 0;padding:10px 8px 4px}.chart-block header{color:var(--text-secondary);justify-content:space-between;align-items:center;padding:0 6px 6px;font-size:12.5px;display:flex}.chart-block .switcher button{color:var(--text-tertiary);background:0 0;border:0;border-radius:6px;padding:2px 7px;font-size:12px}.chart-block .switcher button[aria-pressed=true]{color:var(--accent);background:#0a63c91a}.chart-canvas{height:220px}.report-card{border:1px solid var(--hairline);border-left:3px solid var(--accent);border-radius:var(--radius);margin:12px 0;padding:12px 14px}.report-card .title{font-size:13.5px;font-weight:600}.report-card .meta{color:var(--text-tertiary);margin-top:2px;font-size:12px}.report-card .summary{color:var(--text-secondary);margin-top:6px;font-size:13px}.interrupted{color:var(--text-tertiary);font-size:12.5px}.tool-line{color:var(--text-tertiary);border-left:2px solid var(--hairline-strong);margin:8px 0;padding-left:10px;font-size:12.5px}.from-agent{color:var(--text-tertiary);margin-bottom:4px;font-size:12px}.ask{border:1px solid var(--hairline);border-radius:var(--radius);padding:12px 14px;font-size:13.5px}.ask .options{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.ask .options button{border:1px solid var(--hairline-strong);background:var(--surface);border-radius:999px;padding:5px 13px;font-size:13px}.ask .options button:hover{border-color:var(--accent);color:var(--accent)}.composer{border-top:1px solid var(--hairline);padding:12px 24px 16px}.composer form{align-items:flex-end;gap:8px;max-width:760px;margin:0 auto;display:flex}.composer textarea{resize:none;border:1px solid var(--hairline-strong);border-radius:var(--radius);outline:none;flex:1;max-height:160px;padding:9px 12px;line-height:1.5}.composer textarea:focus{border-color:var(--accent)}.composer button{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:9px 18px;font-weight:500}.composer button:disabled{opacity:.45}.hint{max-width:760px;color:var(--text-tertiary);align-items:center;gap:10px;margin:6px auto 0;font-size:12px;display:flex}.switch{border:1px solid var(--hairline-strong);background:var(--surface);color:var(--text-tertiary);white-space:nowrap;border-radius:999px;padding:3px 11px;font-size:12px}.switch[aria-pressed=true]{border-color:var(--accent);color:var(--accent);background:#0a63c914}.linkish{font-size:inherit;color:var(--accent);background:0 0;border:0;padding:0}.linkish:hover{text-decoration:underline}.admin{padding:24px 28px;overflow-y:auto}.admin h2{letter-spacing:-.01em;margin:0 0 16px;font-size:17px;font-weight:600}.admin table{border-collapse:collapse;width:100%;font-size:13.5px}.admin th{text-align:left;color:var(--text-secondary);border-bottom:1px solid var(--hairline-strong);padding:0 12px 8px 0;font-size:12px;font-weight:500}.admin td{border-bottom:1px solid var(--hairline);vertical-align:middle;padding:11px 12px 11px 0}.admin .pill{background:var(--ground);color:var(--text-secondary);border-radius:999px;padding:2px 8px;font-size:11.5px;display:inline-block}.admin .pill.on{color:var(--accent);background:#0a63c91a}.admin td button{border:1px solid var(--hairline-strong);background:var(--surface);border-radius:6px;padding:4px 11px;font-size:12.5px}.admin td button:hover{border-color:var(--accent);color:var(--accent)}.admin .triggers{font-variant-numeric:tabular-nums;color:var(--text-tertiary);font-size:12.5px}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}