:root{
  --bg:#0b0f14; --panel:#111823; --panel2:#0e141d; --line:#1e2a3a; --line2:#26374d;
  --text:#dce6f2; --muted:#8fa3bd; --dim:#61748f;
  --brand:#39d3c3; --brand2:#5aa9ff; --gold:#e8b84b; --green:#46c98b; --red:#ff6b6b; --violet:#b58cff;
  --mono:"SF Mono",ui-monospace,"JetBrains Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(1200px 600px at 70% -10%,#12202e 0,var(--bg) 60%);
  color:var(--text);font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  }
  /* Walk #26 zoom knob REVERTED (2026-08-25): body zoom broke
     position:sticky (the composer stopped pinning — Chromium
     sticky-under-zoom) and mispainted the gradient on short pages (#27).
     Functionality above visuals: the size bump returns via a real
     type-scale pass instead. */
a{color:var(--brand2);text-decoration:none}
code,.mono{font-family:var(--mono)}
.wrap{max-width:1220px;margin:0 auto;padding:22px 20px 60px}
header.top{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:20px}
.brandmark{display:flex;align-items:baseline;gap:12px}
.brandmark h1{margin:0;font-size:20px;letter-spacing:.5px;font-weight:700}
.brandmark .tag{color:var(--muted);font-size:12.5px;font-family:var(--mono)}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-family:var(--mono);
  border:1px solid var(--line2);border-radius:999px;padding:4px 10px;color:var(--muted)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green)}
.dot.off{background:var(--red);box-shadow:0 0 8px var(--red)}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin-bottom:8px}
.grid{display:grid;grid-template-columns:1.15fr 1fr;gap:18px}
@media(max-width:940px){.grid{grid-template-columns:1fr}}
.card{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);
  border-radius:14px;padding:18px}
.card h2{margin:0 0 4px;font-size:16px}
.card .sub{color:var(--muted);font-size:13px;margin:0 0 14px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.spacer{flex:1}
.btn{appearance:none;border:1px solid #3d5470;background:#1d2b3d;color:var(--text);
  border-radius:9px;padding:10px 16px;font-size:13.5px;font-weight:600;cursor:pointer;transition:.15s}
.btn:hover{border-color:#5a7ca3}
.btn:hover{border-color:var(--brand);color:#fff}
.btn.primary{background:linear-gradient(180deg,#1f9d92,#158a80);border-color:#2bbcae;color:#04110f}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent}
.btn:disabled{opacity:.5;cursor:not-allowed}
select,input,textarea{background:#0c1420;border:1px solid var(--line2);color:var(--text);
  border-radius:8px;padding:9px 11px;font-size:13px;font-family:inherit;outline:none}
select:focus,input:focus,textarea:focus{border-color:var(--brand)}
textarea{width:100%;resize:vertical;font-family:inherit}
label.fld{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--muted)}
.chip{display:inline-block;font-family:var(--mono);font-size:11px;padding:2px 8px;border-radius:6px;
  border:1px solid var(--line2);color:var(--muted)}
.chip.live{color:var(--green);border-color:#1c4634;background:#0e1c16}
.chip.roadmap{color:var(--gold);border-color:#40371a;background:#171307}
.chip.det{color:var(--brand);border-color:#154744;background:#08201e}
.chip.gen{color:var(--violet);border-color:#332a4d;background:#140f22}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}
.tile{border:1px solid var(--line);border-radius:11px;padding:12px;background:var(--panel2)}
.tile .nm{font-weight:600;font-size:13px;margin-bottom:4px}
.tile .seams{font-family:var(--mono);font-size:11px;color:var(--dim);margin-top:6px}
.tile.sel{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand) inset}
.tool{display:flex;align-items:center;gap:8px;padding:7px 0;border-top:1px solid var(--line)}
.tool .tag{font-family:var(--mono);font-size:11.5px;color:var(--brand)}
.tool .ds{color:var(--muted);font-size:12.5px}
.tool .lock{font-size:11px;color:var(--gold)}
.pipe{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:10px 0 4px}
.pstep{font-family:var(--mono);font-size:11px;border:1px solid var(--line2);border-radius:7px;padding:5px 9px;color:var(--muted)}
.pstep b{color:var(--text)}
.pstep .z{color:var(--green)}
.arrow{color:var(--dim)}
.big{display:flex;gap:18px;flex-wrap:wrap;margin:6px 0}
.metric{flex:1;min-width:120px;border:1px solid var(--line);border-radius:11px;padding:12px 14px;background:var(--panel2)}
.metric .k{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim)}
.metric .v{font-size:26px;font-weight:700;margin-top:3px}
.metric .v.zero{color:var(--green)}
.metric .v.cost{color:var(--gold)}
.metric small{color:var(--muted);font-size:11px}
.log{font-family:var(--mono);font-size:11.5px;background:#080d14;border:1px solid var(--line);
  border-radius:9px;padding:11px 13px;max-height:220px;overflow:auto;white-space:pre-wrap;color:var(--muted)}
.steps{display:flex;flex-direction:column;gap:6px;margin-top:10px}
.step{display:flex;gap:10px;align-items:baseline;font-size:12.5px;border-left:2px solid var(--brand);padding:4px 0 4px 10px}
.step .st{font-family:var(--mono);color:var(--brand);min-width:96px}
.step .dt{color:var(--muted);flex:1;word-break:break-word}
.step .tk{font-family:var(--mono);color:var(--dim)}
.step.gen{border-color:var(--violet)}
.step.gen .st{color:var(--violet)}
.reply{margin-top:12px;padding:13px 15px;border:1px solid var(--line2);border-radius:11px;background:#0c1622;font-size:14px}
.reply .who{font-family:var(--mono);font-size:11px;color:var(--dim);text-transform:uppercase;letter-spacing:.12em;margin-bottom:6px}
.gatebar{margin-top:10px;padding:9px 12px;border-radius:9px;border:1px solid #40371a;background:#171307;color:var(--gold);font-size:12.5px}
.hidden{display:none}
.small{font-size:13px;color:var(--muted)}
.kv{font-family:var(--mono);font-size:11.5px;color:var(--muted)}
.spin{display:inline-block;width:13px;height:13px;border:2px solid var(--line2);border-top-color:var(--brand);border-radius:50%;animation:sp .7s linear infinite;vertical-align:-2px}
@keyframes sp{to{transform:rotate(360deg)}}
.toggle{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--muted);cursor:pointer}

/* Readability law §4 (2026-08-24): the DESIGNED disabled state — visibly a
   button, visibly not pressable, never faded into illegibility. */
.btn[disabled],.btn.inactive{background:#101823;border-color:var(--line);
  color:var(--muted);cursor:not-allowed;opacity:1}
.btn[disabled]:hover,.btn.inactive:hover{filter:none}