:root{color-scheme:light;--bg:#f6f6f4;--panel:#fff;--ink:#1b1b19;--muted:#6a6a64;--line:#e2e1db;--soft:#efeee9;--accent:#2f6fed;--accent-ink:#fff;--ok:#1f8a4c;--bad:#c23b2e;--warn:#9a6a00;--code:#f0efea;--shadow:0 8px 30px rgba(20,20,20,.10)}
:root[data-theme="dark"]{color-scheme:dark;--bg:#141413;--panel:#1c1c1a;--ink:#ecebe6;--muted:#9a9990;--line:#2c2c29;--soft:#252523;--accent:#6b9bff;--accent-ink:#0d1220;--ok:#4cc17f;--bad:#ef6f62;--warn:#e0b04a;--code:#232321;--shadow:0 8px 30px rgba(0,0,0,.5)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){color-scheme:dark;--bg:#141413;--panel:#1c1c1a;--ink:#ecebe6;--muted:#9a9990;--line:#2c2c29;--soft:#252523;--accent:#6b9bff;--accent-ink:#0d1220;--ok:#4cc17f;--bad:#ef6f62;--warn:#e0b04a;--code:#232321}}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--ink);font:14px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
a{color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
header.top{display:flex;align-items:center;gap:18px;padding:0 20px;height:52px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.brand{font-weight:700;letter-spacing:.2px}
.brand span{color:var(--accent)}
nav{display:flex;gap:2px;flex:1;overflow-x:auto}
nav a{padding:6px 12px;border-radius:7px;text-decoration:none;color:var(--muted);white-space:nowrap}
nav a:hover{background:var(--soft);color:var(--ink)}
nav a.on{background:var(--soft);color:var(--ink);font-weight:600}
main{max-width:1100px;margin:0 auto;padding:22px 20px 60px}
h1{font-size:20px;margin:0 0 4px}
h2{font-size:15px;margin:22px 0 8px}
.sub{color:var(--muted);margin:0 0 18px}
.bar{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.bar .grow{flex:1}
.btn{border:1px solid var(--line);background:var(--panel);padding:6px 12px;border-radius:8px;cursor:pointer}
.btn:hover{background:var(--soft)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.danger{color:var(--bad)}
.btn.small{padding:3px 9px;font-size:12px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:14px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:8px}
.card h3{margin:0;font-size:15px}
.card p{margin:0;color:var(--muted);flex:1}
.card .row{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.badge{font-size:11px;padding:1px 8px;border-radius:99px;background:var(--soft);color:var(--muted);border:1px solid var(--line)}
.badge.ok{color:var(--ok)}.badge.bad{color:var(--bad)}.badge.warn{color:var(--warn)}.badge.acc{color:var(--accent)}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:16px}
.form{display:grid;grid-template-columns:1fr 1fr;gap:14px 18px}
.form .wide{grid-column:1/-1}
.f{display:flex;flex-direction:column;gap:4px;font-weight:600;font-size:13px}
.f small{font-weight:400;color:var(--muted)}
input[type=text],input[type=password],input[type=number],select,textarea{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:7px 10px;width:100%}
textarea{resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;line-height:1.5}
textarea.prompt{min-height:340px}
input:focus,select:focus,textarea:focus{outline:2px solid color-mix(in srgb,var(--accent) 40%,transparent);border-color:var(--accent)}
.checks{display:flex;flex-wrap:wrap;gap:6px 14px}
.checks label{display:flex;align-items:center;gap:5px;font-weight:400}
.err{color:var(--bad)}
.muted{color:var(--muted)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px}
table{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden}
th,td{text-align:left;padding:8px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12px;color:var(--muted);font-weight:600;background:var(--soft)}
tr.click{cursor:pointer}tr.click:hover td{background:var(--soft)}
tr:last-child td{border-bottom:0}
.st{font-weight:600}.st.done{color:var(--ok)}.st.failed{color:var(--bad)}.st.cancelled{color:var(--muted)}.st.running,.st.queued{color:var(--accent)}.st.waiting_approval{color:var(--warn)}
.toast{position:fixed;right:18px;bottom:18px;background:var(--ink);color:var(--bg);padding:10px 14px;border-radius:9px;box-shadow:var(--shadow);max-width:420px;z-index:20}
.toast.bad{background:var(--bad);color:#fff}
.banner{background:color-mix(in srgb,var(--warn) 14%,var(--panel));border:1px solid color-mix(in srgb,var(--warn) 45%,var(--line));border-radius:10px;padding:10px 14px;margin-bottom:16px}
/* chat / timeline */
.chat{display:flex;flex-direction:column;gap:14px;margin-bottom:16px}
.msg.user{align-self:flex-end;max-width:80%;background:var(--soft);border-radius:12px;padding:9px 13px;white-space:pre-wrap}
.msg.agent{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 15px}
.tl>*+*{margin-top:10px}
.text{overflow-wrap:anywhere}
.text p{margin:.4em 0}
.text pre{background:var(--code);padding:10px;border-radius:8px;overflow:auto}
.text code{background:var(--code);padding:1px 4px;border-radius:4px}
.text pre code{padding:0;background:none}
/* Markdown tables: keep natural column widths (no letter-by-letter wrapping), scroll sideways if still too wide */
.text .tbl{overflow-x:auto;max-width:100%;margin:.6em 0;border:1px solid var(--line);border-radius:10px}
.text table{width:max-content;min-width:100%;border:0;border-radius:0;font-size:13px;overflow:visible}
.text th,.text td{overflow-wrap:break-word;word-break:normal;min-width:70px;max-width:340px}
.text th{white-space:nowrap}
.tool{border:1px solid var(--line);border-radius:9px;background:var(--bg);overflow:hidden}
.tool summary{padding:6px 10px;cursor:pointer;display:flex;gap:8px;align-items:center;list-style:none}
.tool summary::-webkit-details-marker{display:none}
.tool .nm{font-weight:600}
.tool .arg{color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
.tool pre{margin:0;padding:8px 10px;border-top:1px solid var(--line);max-height:280px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px}
.tool.ok .nm::before{content:"✓ ";color:var(--ok)}.tool.err .nm::before{content:"✕ ";color:var(--bad)}.tool.run .nm::before{content:"… ";color:var(--accent)}
.ask{border:1px solid var(--warn);background:color-mix(in srgb,var(--warn) 10%,var(--panel));border-radius:10px;padding:10px 12px}
.ask pre{margin:6px 0;white-space:pre-wrap;overflow-wrap:anywhere}
.ask .row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.note{color:var(--muted);font-size:12.5px}
.final{border-left:3px solid var(--ok);padding-left:10px}
.final.bad{border-color:var(--bad)}
.nodebox{border:1px solid var(--line);border-radius:10px;background:var(--panel)}
.nodebox>summary{padding:8px 12px;cursor:pointer;font-weight:600;display:flex;gap:10px;align-items:center}
.nodebox>.tl{padding:4px 12px 12px}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 14px}
.chip{border:1px solid var(--line);border-radius:9px;padding:5px 10px;background:var(--panel)}
.chip .s{font-size:11px;margin-left:6px}
.composer{position:sticky;bottom:0;background:var(--bg);padding-top:8px}
.composer textarea{min-height:70px;font-family:inherit;font-size:14px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.step{border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin-bottom:10px;background:var(--bg)}
.step .head{display:grid;grid-template-columns:140px 1fr auto;gap:10px;margin-bottom:8px}
.edge{display:grid;grid-template-columns:1fr 1fr 1fr 1fr auto;gap:8px;margin-bottom:8px}
.levels{font-family:ui-monospace,monospace;font-size:12.5px;color:var(--muted)}
.login{max-width:340px;margin:12vh auto}
@media (max-width:760px){.form,.split{grid-template-columns:1fr}.step .head,.edge{grid-template-columns:1fr}header.top{gap:8px;padding:0 10px}main{padding:16px 12px 50px}}
.steplist{margin:0;padding-left:20px;font-size:13px}.steplist li{margin:2px 0}.steplist .badge{margin-left:6px}
.mcp{display:flex;flex-direction:column;gap:10px}
.mcp-row{border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:var(--bg)}
.mcp-row.off{opacity:.65}
.mcp-head{display:grid;grid-template-columns:150px 220px auto 1fr;gap:10px;align-items:center;margin-bottom:8px}
.mcp-head .acts{display:flex;gap:6px;justify-content:flex-end}
.mcp-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 12px}
.mcp-grid .wide{grid-column:1/-1}
.mcp-status{margin-top:8px;font-size:13px}
.tchips{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.tchip{border:1px solid var(--line);background:var(--panel);border-radius:99px;padding:1px 10px;font-size:12px;cursor:pointer}
.tchip:hover{border-color:var(--accent)}
@media (max-width:760px){.mcp-head,.mcp-grid{grid-template-columns:1fr}}
pre.mono{white-space:pre-wrap;overflow-wrap:anywhere;max-height:420px;overflow:auto;margin:8px 0 0}
details.panel>summary{cursor:pointer}
/* login page */
.lg-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px 16px}
.lg-wrap{width:min(340px,100%);display:flex;flex-direction:column;gap:14px}
.lg-top{display:flex;justify-content:center}
.lg-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px 22px 16px;box-shadow:var(--shadow)}
.lg-brand{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:14px}
.lg-brand svg{width:30px;height:30px}
.lg-brand b{display:block;font-size:15px;letter-spacing:.2px}
.lg-brand span{display:block;font-size:11.5px;color:var(--muted)}
.lg-card h2{text-align:center;margin:0 0 2px;font-size:18px}
.lg-sub{text-align:center;margin:0 0 14px;color:var(--muted);font-size:12.5px}
.lg-card label.f{margin:0 0 10px}
.lg-card label.f>span{font-size:12px}
.pw{position:relative}
.pw input{padding-right:58px}
.pwbtn{position:absolute;right:4px;top:50%;transform:translateY(-50%);border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:12px;padding:4px 8px;border-radius:6px}
.pwbtn:hover{color:var(--ink);background:var(--soft)}
.warn{color:var(--warn);font-weight:400}
.lg-err{font-size:12.5px;background:color-mix(in srgb,var(--bad) 12%,transparent);border:1px solid color-mix(in srgb,var(--bad) 45%,transparent);color:var(--bad);border-radius:8px;padding:8px 12px;margin:0 0 12px}
.lg-err[hidden],.warn[hidden]{display:none}
.lg-submit{width:100%;padding:8px 10px;justify-content:center}
.lg-foot{margin:12px 0 0;text-align:center;color:var(--muted);font-size:11px}
.lg-theme{opacity:.7}