:root{--bg:#f5f7fa;--card:#fff;--text:#1c2733;--muted:#5d6b7a;--line:#dde3ea;--accent:#1f6feb;--ok:#1a7f37;--err:#c62828}
@media (prefers-color-scheme:dark){:root{--bg:#10151b;--card:#18202a;--text:#e6ebf1;--muted:#93a1b1;--line:#2a3542;--accent:#58a6ff;--ok:#3fb950;--err:#ff6b6b}}
*{box-sizing:border-box}body{margin:0;font:16px/1.5 system-ui,sans-serif;background:var(--bg);color:var(--text)}
.top{display:flex;gap:1.5rem;align-items:center;padding:.7rem 1.2rem;background:var(--card);border-bottom:1px solid var(--line);flex-wrap:wrap}
.brand{font-weight:700;color:var(--text);text-decoration:none}.top nav{display:flex;gap:.4rem 1rem;flex:1;flex-wrap:wrap;min-width:0}.top a{color:var(--accent);text-decoration:none}
.who{display:flex;gap:.8rem;align-items:center;color:var(--muted)}.inline{display:inline}
main{max-width:980px;margin:1.2rem auto;padding:0 16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:1.2rem 1.4rem;margin-bottom:1rem}.narrow{max-width:420px;margin-inline:auto}
h1{margin:.2rem 0 .6rem;font-size:1.5rem}h2{font-size:1.15rem}.muted{color:var(--muted)}.mono{font:12px ui-monospace,monospace;word-break:break-all}
label{display:block;margin:.7rem 0;color:var(--muted);font-size:.9rem}input,select{display:block;width:100%;margin-top:.25rem;padding:.55rem .7rem;border:1px solid var(--line);border-radius:7px;background:var(--bg);color:var(--text);font:inherit}
button{font:inherit;cursor:pointer}.primary{padding:.6rem 1.1rem;border:0;border-radius:7px;background:var(--accent);color:#fff;margin-top:.5rem}
.link{background:none;border:0;color:var(--accent);padding:0}
.flash{padding:.6rem .8rem;border-radius:7px;border:1px solid}.flash.ok{border-color:var(--ok);color:var(--ok)}.flash.error{border-color:var(--err);color:var(--err)}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:.45rem .5rem;border-bottom:1px solid var(--line);vertical-align:top;font-size:.92rem}
@media (max-width:640px){.top{gap:.6rem}}
.dot{display:inline-block;width:.65rem;height:.65rem;border-radius:50%;margin-right:.3rem}.dot.on{background:var(--ok)}.dot.off{background:var(--muted)}
.row{display:flex;gap:1rem;align-items:flex-end;flex-wrap:wrap}.row label{flex:1;min-width:180px}.danger{color:var(--err)}.token{font-size:15px;padding:.6rem;background:var(--bg);border-radius:7px}
.btn{display:inline-block;padding:.3rem .7rem;border:1px solid var(--accent);border-radius:7px;color:var(--accent);text-decoration:none;font-size:.9rem}
.wide{max-width:640px}textarea{display:block;width:100%;margin-top:.25rem;padding:.55rem .7rem;border:1px solid var(--line);border-radius:7px;background:var(--bg);color:var(--text);font:inherit;resize:vertical}
.sr{position:absolute;left:-9999px}.ghost{padding:.5rem .9rem;border:1px solid var(--line);border-radius:7px;background:none;color:var(--text)}.end{justify-content:flex-end;margin-top:.6rem}
.badge{padding:.1rem .5rem;border-radius:999px;border:1px solid var(--line);font-size:.8rem}.badge.open{border-color:var(--accent);color:var(--accent)}.badge.solved{border-color:var(--ok);color:var(--ok)}.badge.limit_reached,.badge.failed{border-color:var(--err);color:var(--err)}
.sess-head{display:flex;gap:1.5rem;justify-content:space-between;flex-wrap:wrap}.usage{font-size:.9rem;line-height:1.7}
.chat{display:flex;flex-direction:column;gap:.7rem;margin-bottom:1rem}
.msg{padding:.7rem 1rem;border-radius:10px;border:1px solid var(--line);background:var(--card);max-width:92%}.msg .who{font-size:.75rem;color:var(--muted);margin-bottom:.15rem}
.msg .body{white-space:pre-wrap;word-wrap:break-word}.msg.user{align-self:flex-end;border-color:var(--accent)}
.tool{border:1px solid var(--line);border-radius:8px;background:var(--card);padding:.35rem .7rem;font-size:.9rem}.tool summary{cursor:pointer}.tool.ok{border-left:4px solid var(--ok)}.tool.err{border-left:4px solid var(--err)}
.tname{font-family:ui-monospace,monospace;font-weight:600}.tstate{color:var(--muted)}.tool pre{white-space:pre-wrap;max-height:320px;overflow:auto;margin:.4rem 0}
code{font:.88em ui-monospace,monospace;background:var(--bg);border:1px solid var(--line);border-radius:4px;padding:0 .3em}
body{overflow-x:hidden}
.approval{border:2px solid var(--accent);border-radius:10px;padding:1rem 1.2rem;background:var(--card);margin:.6rem 0}.approval.high{border-color:var(--err)}
.approval h3{margin:.1rem 0 .4rem}.asum{font-size:1.05rem;font-weight:600}.ptab{border-collapse:collapse;margin:.4rem 0}.ptab th{text-align:left;padding:.15rem .8rem .15rem 0;color:var(--muted);font-weight:400}
.cmd{background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:.5rem .7rem;white-space:pre-wrap;word-break:break-word;max-height:260px;overflow:auto}.small{font-size:.82rem}.appr{margin:.3rem 0}