:root{--navy: #0f172a;--blue: #2563eb;--blue-dark: #1d4ed8;--teal: #14b8a6;--blue-soft: #eff6ff;--teal-soft: #f0fdfa;--bg: #f8fafc;--line: #e2e8f0;--muted: #475569;--white: #ffffff;--danger: #b91c1c;--danger-soft: #fef2f2;--shadow: 0 10px 30px rgba(15, 23, 42, .06);--radius: 16px;--font: "Inter", system-ui, sans-serif;--display: "Manrope", "Inter", system-ui, sans-serif}*{box-sizing:border-box}html{scroll-padding-top:148px}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--navy);font-family:var(--font);font-size:16px;line-height:1.55}#app{min-height:100vh}h1,h2,h3,.display{font-family:var(--display);letter-spacing:-.03em;line-height:1.15}button,input,textarea,select{font:inherit}button{cursor:pointer}.shell{min-height:100vh;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:20;background:#f8fafceb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.topbar-inner{max-width:1120px;margin:0 auto;padding:14px 20px 12px;display:grid;gap:12px}.brand-row{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap}.brand{display:flex;gap:12px;align-items:flex-start;min-width:0}.mark{width:36px;height:36px;border-radius:10px;background:var(--navy);display:grid;place-items:center;flex-shrink:0}.brand h1{margin:0;font-size:1.05rem;font-weight:800}.disclaimer{margin:2px 0 0;color:var(--muted);font-size:.78rem}.actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.save-meta{color:var(--muted);font-size:.78rem;margin-right:4px}.btn{border:1px solid transparent;border-radius:999px;padding:9px 14px;font-weight:600;font-size:.9rem;background:var(--white);color:var(--navy);border-color:var(--line)}.btn:hover{border-color:#cbd5e1}.btn-primary{background:var(--blue);color:var(--white);border-color:var(--blue)}.btn-primary:hover{background:var(--blue-dark);border-color:var(--blue-dark)}.btn-ghost{background:transparent}.btn-teal{background:var(--teal);border-color:var(--teal);color:var(--navy)}.btn:disabled{opacity:.45;cursor:not-allowed}.stages{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}.stage{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--white);color:var(--muted);border-radius:999px;padding:7px 12px 7px 8px;white-space:nowrap;font-size:.82rem;font-weight:600;flex-shrink:0}.stage .num{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:#e2e8f0;color:var(--navy);font-size:.72rem}.stage.is-current{border-color:var(--blue);background:var(--blue-soft);color:var(--blue-dark)}.stage.is-current .num{background:var(--blue);color:var(--white)}.stage.is-done{border-color:#99f6e4;background:var(--teal-soft);color:#0f766e}.stage.is-done .num{background:var(--teal);color:var(--navy)}main{flex:1;max-width:880px;width:100%;margin:0 auto;padding:28px 20px 80px}main.wide{max-width:1120px}.hero{padding:28px 0 12px}.kicker{display:inline-flex;align-items:center;gap:8px;color:#0f766e;background:var(--teal-soft);border:1px solid #99f6e4;border-radius:999px;padding:5px 10px;font-size:.78rem;font-weight:700;margin-bottom:16px}.hero h2{margin:0 0 16px;font-size:clamp(1.8rem,4vw,2.6rem)}.lede{font-size:1.08rem;color:var(--muted);max-width:42rem}.human-ai{margin:28px 0;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 22px}.human-ai h3{margin:0 0 8px;font-size:.95rem}.human-ai p{margin:0;color:var(--muted)}.cta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}.note{margin-top:18px;color:var(--muted);font-size:.9rem}.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}.q-progress{display:flex;justify-content:space-between;gap:12px;align-items:baseline;margin-bottom:16px}.q-progress span{color:var(--muted);font-size:.88rem;font-weight:600}.dots{display:flex;flex-wrap:wrap;gap:6px}.dot{width:28px;height:28px;border-radius:8px;border:1px solid var(--line);background:var(--white);color:var(--muted);font-size:.72rem;font-weight:700;padding:0}.dot.is-current{background:var(--blue);border-color:var(--blue);color:#fff}.dot.is-done{background:var(--teal-soft);border-color:#99f6e4;color:#0f766e}.question h2{margin:0 0 10px;font-size:1.45rem}.helper{color:var(--muted);margin:0 0 18px}.options{display:grid;gap:10px}.option{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line);border-radius:14px;padding:12px 14px;background:#fff;text-align:left;width:100%}.option:hover,.option:focus-visible{border-color:#93c5fd}.option.is-selected{border-color:var(--blue);background:var(--blue-soft)}.option small{display:block;color:var(--muted);font-weight:400;margin-top:3px}.option input{margin-top:3px;accent-color:var(--blue)}label.field{display:grid;gap:8px;font-weight:600;font-size:.92rem}textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fff;color:var(--navy);resize:vertical;min-height:120px}input[type=text]{width:100%;border:1px solid var(--line);border-radius:12px;padding:10px 14px;background:#fff;color:var(--navy);min-height:44px}textarea:focus,input[type=text]:focus{outline:2px solid 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8px}.badge-supplied{background:var(--blue-soft);color:var(--blue-dark)}.badge-hypothesis{background:var(--teal-soft);color:#0f766e}.badge-unknown{background:#f1f5f9;color:var(--muted)}.field-card p{margin:0}.list{margin:0;padding-left:18px;color:var(--muted)}.toast{position:fixed;right:16px;bottom:16px;background:var(--navy);color:#fff;padding:12px 16px;border-radius:12px;box-shadow:var(--shadow);max-width:min(420px,calc(100vw - 32px));z-index:40;animation:rise .2s ease-out}.toast.error{background:#7f1d1d}@keyframes rise{0%{transform:translateY(8px);opacity:0}to{transform:translateY(0);opacity:1}}.footer-note{margin-top:28px;color:var(--muted);font-size:.82rem}.progress-home{margin:0 0 22px}.progress-home h3{margin:0 0 6px;font-size:.92rem}.progress-home h3:not(:first-child){margin-top:16px}.progress-home p{margin:0;color:var(--muted)}.progress-home ol,.progress-home ul{margin:0}.validate-intro{margin-bottom:12px}.validate-intro h2{margin:0 0 6px;font-size:clamp(1.25rem,2.4vw,1.7rem)}.validate-intro .lede{margin:0;font-size:.95rem}.soft-gate{margin-bottom:14px;border-color:#bfdbfe;background:var(--blue-soft)}.soft-gate.is-clear{border-color:#99f6e4;background:var(--teal-soft)}.soft-gate p{margin:0}.snapshot-banner.status-evidence{background:linear-gradient(180deg,var(--teal-soft),var(--white));border-color:#99f6e4}.snapshot-banner.status-some{background:linear-gradient(180deg,var(--blue-soft),var(--white))}.snapshot-banner.status-needs{background:linear-gradient(180deg,#f8fafc,var(--white))}.next-actions{margin:0;padding-left:20px}.next-actions li+li{margin-top:8px}.mvp-must{border-color:#99f6e4;background:var(--teal-soft)}.mvp-later{border-color:#bfdbfe;background:var(--blue-soft)}.mvp-not{background:#f8fafc}.field-card p+p{margin-top:10px}.brief-pre{margin:12px 0 0;padding:14px;max-height:280px;overflow:auto;white-space:pre-wrap;word-break:break-word;background:var(--bg);border:1px solid var(--line);border-radius:12px;font-family:var(--font);font-size:.88rem;line-height:1.5;color:var(--navy)}.companion-rule+.companion-rule{margin-top:14px}.companion-rule p{margin:0}.status-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.status-chip{border:1px solid var(--line);background:var(--white);color:var(--muted);border-radius:999px;padding:6px 10px;font-size:.72rem;font-weight:700;letter-spacing:.02em}.status-chip.is-on{border-color:var(--blue);background:var(--blue-soft);color:var(--blue-dark)}.review-box{margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}label.field small.helper{display:block;margin:4px 0 8px;color:var(--muted);font-size:.88rem}@media print{.topbar,.no-print,.toast{display:none!important}body,.shell,main{background:#fff;max-width:none;padding:0;box-shadow:none}.card,.snapshot-banner{box-shadow:none;break-inside:avoid}}@media(max-width:760px){.grid{grid-template-columns:1fr}.span-2{grid-column:auto}.hero h2{font-size:1.55rem}.question h2{font-size:1.25rem}.actions{width:100%}.actions .btn{flex:1 1 auto}.nav-row{flex-direction:column;align-items:stretch}.nav-row .cta-row{width:100%}.nav-row .btn,.cta-row .btn{justify-content:center}.status-chip{font-size:.68rem;padding:6px 8px}.topbar-inner{padding:12px 14px 10px}.disclaimer{max-width:42rem}main{padding:20px 14px 72px}.card{padding:16px}}@media(max-width:420px){.hero h2{font-size:1.35rem}.brand h1{font-size:.95rem}}