:root{--ink:#121817;--muted:#5d6663;--paper:#f3f7f6;--surface:#fff;--line:#d8e1df;--teal:#0f766e;--teal-dark:#134e4a;--gold:#b7791f;--rose:#ba4d45;--slate:#334155;--shadow:0 20px 60px #131f1d1a}*{box-sizing:border-box}html{background:var(--paper);color:var(--ink)}body{min-height:100vh;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button{font:inherit}.appShell{width:min(1180px,100% - 32px);margin:0 auto;padding:32px 0 48px}.workspaceHeader{grid-template-columns:minmax(0,1fr) 320px;align-items:end;gap:24px;padding:24px 0 30px;display:grid}.headerSide{gap:12px;display:grid}.eyebrow{color:var(--teal-dark);letter-spacing:0;text-transform:uppercase;margin:0 0 8px;font-size:.78rem;font-weight:800}h1,h2,h3,p{margin-top:0}h1{letter-spacing:0;margin-bottom:10px;font-size:clamp(2.1rem,5vw,4.9rem);line-height:.96}h2{letter-spacing:0;margin-bottom:8px;font-size:1.15rem}h3{letter-spacing:0;margin-bottom:8px;font-size:1rem}.headerCopy,.uploadSurface p,.stageCard p,.guardrailItem p,.actionBand p,.phasePanel small{color:var(--muted);line-height:1.6}.headerCopy{max-width:660px;margin-bottom:0;font-size:1.04rem}.phasePanel,.authPanel,.uploadSurface,.statusStack,.stageCard,.guardrailItem,.actionBand,.authFallback{border:1px solid var(--line);box-shadow:var(--shadow);background:#ffffffe0}.phasePanel,.authPanel{border-radius:8px;gap:8px;padding:18px;display:grid}.phasePanel span,.authKicker,.sectionHeading span,.stageTopline span{color:var(--teal-dark);letter-spacing:0;text-transform:uppercase;font-size:.78rem;font-weight:800}.phasePanel strong{font-size:1.05rem}.authPanel strong{font-size:.98rem}.authPanel small{color:var(--muted);line-height:1.45}.authActions,.userRow,.inlineStatus{align-items:center;display:flex}.authActions{flex-wrap:wrap;gap:8px;margin-top:4px}.userRow{justify-content:space-between;gap:12px}.inlineStatus{gap:6px}.inlineStatus[data-state=ready]{color:var(--teal-dark)}.inlineStatus[data-state=error]{color:var(--rose)}.spinIcon{animation:.9s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.workspaceGrid{grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);align-items:stretch;gap:18px;display:grid}.uploadSurface{text-align:center;background:linear-gradient(135deg, #0f766e14, #ba4d4512), var(--surface);border-radius:8px;align-content:center;justify-items:center;gap:18px;min-height:320px;padding:28px;display:grid}.uploadIcon{width:76px;height:76px;color:var(--teal-dark);background:#eef7f4;border:1px solid #0f766e3d;border-radius:50%;place-items:center;display:grid}.primaryButton,.secondaryButton{border:0;border-radius:8px;justify-content:center;align-items:center;gap:10px;min-height:44px;font-weight:800;display:inline-flex}.primaryButton{color:#fff;background:var(--teal-dark);padding:0 18px}.secondaryButton{color:var(--teal-dark);background:#e8f3ef;padding:0 16px}.compactButton{min-height:40px;padding:0 14px}[aria-disabled=true]{cursor:not-allowed;opacity:.72}.statusStack{border-radius:8px;padding:22px}.sectionHeading{justify-content:space-between;align-items:center;gap:18px;margin-bottom:18px;display:flex}.sectionHeading h2{margin-bottom:0}.checkList{gap:14px;margin:0;padding:0;list-style:none;display:grid}.checkList li{color:var(--slate);align-items:center;gap:10px;font-weight:700;display:flex}.checkList svg{color:var(--teal);flex:none}.stageBand,.guardrailBand,.actionBand{margin-top:18px}.stageBand{padding:24px 0 0}.stageGrid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.stageCard{border-radius:8px;min-height:172px;padding:18px}.stageCard[data-state=locked]{border-color:#b8504252}.stageTopline{color:var(--teal-dark);justify-content:space-between;align-items:center;margin-bottom:18px;display:flex}.stageCard[data-state=locked] .stageTopline{color:var(--rose)}.guardrailBand{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.guardrailItem{border-radius:8px;gap:14px;padding:18px;display:flex}.guardrailItem svg{color:var(--gold);flex:none}.actionBand{border-radius:8px;justify-content:space-between;align-items:center;gap:18px;padding:22px;display:flex}.actionBand p{margin-bottom:0}.authPage{place-items:center;min-height:100vh;padding:24px;display:grid}.authFallback{border-radius:8px;width:min(560px,100%);padding:24px}.authFallback h1{margin-bottom:12px;font-size:2rem;line-height:1}.authFallback p:last-child{color:var(--muted);margin-bottom:0}@media (max-width:860px){.workspaceHeader,.workspaceGrid,.stageGrid,.guardrailBand{grid-template-columns:1fr}h1{font-size:2.8rem}.actionBand,.sectionHeading{flex-direction:column;align-items:flex-start}}@media (max-width:520px){.appShell{width:min(100% - 20px,1180px);padding-top:18px}.uploadSurface{min-height:260px;padding:22px}}