:root{--bg:#0f1115;--panel:#171a21;--border:#2a2f3a;--text:#e6e8ee;--muted:#9aa3b2;--accent:#6ea8fe;--ok:#3ddc97;--warn:#ffb547;--err:#ff6b6b;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);margin:0}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.shell{max-width:1100px;margin:0 auto;padding:0 16px 48px}nav.top{border-bottom:1px solid var(--border);align-items:center;gap:20px;margin-bottom:24px;padding:14px 0;display:flex}nav.top .brand{margin-right:auto;font-weight:700}nav.top a{color:var(--muted)}nav.top a.active,nav.top a:hover{color:var(--text)}h1{margin:0 0 16px;font-size:22px}h2{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin:24px 0 8px;font-size:16px;font-weight:600}.panel{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px}.row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.grid{gap:12px;display:grid}.grid.two{grid-template-columns:1fr 1fr}@media (max-width:800px){.grid.two{grid-template-columns:1fr}}label{color:var(--muted);margin-bottom:4px;font-size:13px;display:block}input,select,textarea,button{font:inherit;color:var(--text)}input[type=text],input[type=number],select,textarea{border:1px solid var(--border);background:#0c0e12;border-radius:8px;width:100%;padding:8px 10px}textarea{resize:vertical;min-height:120px}button{background:var(--accent);color:#0b1020;cursor:pointer;border:0;border-radius:8px;padding:8px 14px;font-weight:600}button.secondary{color:var(--text);border:1px solid var(--border);background:0 0}button.danger{color:var(--err);border:1px solid var(--err);background:0 0}button:disabled{opacity:.5;cursor:default}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:8px 10px}th{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:12px;font-weight:600}.badge{border:1px solid var(--border);color:var(--muted);border-radius:999px;padding:2px 8px;font-size:12px;display:inline-block}.badge.ok{color:var(--ok);border-color:var(--ok)}.badge.warn{color:var(--warn);border-color:var(--warn)}.badge.err{color:var(--err);border-color:var(--err)}.muted{color:var(--muted);font-size:13px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.alert{border:1px solid var(--warn);color:var(--warn);border-radius:8px;margin-bottom:16px;padding:10px 12px}.alert.err{border-color:var(--err);color:var(--err)}pre.chunk{white-space:pre-wrap;border:1px solid var(--border);background:#0c0e12;border-radius:8px;margin:6px 0 0;padding:10px;font-size:13px}.chat{grid-template-columns:1fr 320px;gap:16px;display:grid}@media (max-width:900px){.chat{grid-template-columns:1fr}}.chat-header{justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.chat-header h1{margin:0}.messages{flex-direction:column;gap:12px;min-height:50vh;display:flex}.msg{white-space:pre-wrap;border-radius:10px;padding:10px 14px;line-height:1.5}.msg.user{background:#1f2a3d;align-self:flex-end;max-width:80%}.msg.assistant{background:var(--panel);border:1px solid var(--border)}.composer{gap:8px;margin-top:12px;display:flex}.composer input{flex:1}.source{border-top:1px solid var(--border);padding:8px 0;font-size:13px}.source:first-child{border-top:0}button.thread{text-align:left;width:100%;color:var(--text);overflow-wrap:anywhere;background:0 0;border-radius:6px;padding:8px;font-size:13px;font-weight:400;display:block}button.thread:hover:not(:disabled),button.thread.active{background:#1f2a3d}