:root{--ink:#1d1d1f;--muted:#6e6e73;--line:#dedede;--canvas:#f5f5f7;--white:#fff;--brand:#ee5f2d;--action:#bd3908;--soft:#fff0ea;--dark:#000;--radius:18px}*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font:400 17px/1.47 system-ui,-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;letter-spacing:-.374px}button,input,textarea{font:inherit}button{cursor:pointer}button:active{transform:scale(.95)}button,a,input,textarea{outline-offset:5px}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--action)}header{height:88px;background:var(--dark);color:var(--white);display:flex;align-items:center;padding:0 5vw;gap:32px}.brand{color:inherit;text-decoration:none;display:flex;gap:12px;align-items:center;font-weight:600;letter-spacing:1px;font-size:22px}.brand img{width:44px;height:44px;border-radius:8px}.brand-detail{display:block;font-size:8px;letter-spacing:1.7px;font-weight:400}.preview{font-size:12px;color:#ccc;margin-left:auto;border:1px solid #555;padding:6px 12px;border-radius:999px}.quiet{border:0;background:transparent;color:var(--action);min-height:44px;padding:10px 12px;font-size:14px}header .quiet{color:white}.progress-track{height:3px;background:var(--line)}#bar{height:100%;width:0;background:var(--brand);transition:width .35s}.meta{display:flex;justify-content:space-between;max-width:1320px;margin:30px auto 0;padding:0 5vw;color:var(--muted);font-size:12px;letter-spacing:.08em}#group{color:var(--action);font-weight:600}main{max-width:1000px;min-height:calc(100svh - 280px);padding:65px 40px 80px;margin:auto;outline:none}.intro{max-width:800px}.eyebrow{color:var(--action);text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:600;margin-bottom:20px}h1{font-size:56px;letter-spacing:-2px;line-height:1.07;font-weight:600;margin:0 0 24px;max-width:850px}h1 span{color:var(--action)}.lead{font-size:21px;line-height:1.5;color:var(--muted);max-width:650px;margin-bottom:32px}p{margin:0 0 16px}.primary{border:0;border-radius:999px;color:white;background:var(--action);min-height:48px;padding:12px 26px}.actions{display:flex;align-items:center;gap:16px;margin-top:32px;flex-wrap:wrap}.hint{font-size:12px;color:var(--muted)}.intro-foot{display:flex;gap:32px;margin-top:48px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:24px}.intro-foot strong{color:var(--ink);display:block;font-weight:600}.input{display:block;width:100%;max-width:740px;border:0;border-bottom:1px solid #aaa;background:transparent;padding:18px 0;color:var(--ink);font-size:28px;border-radius:0;resize:vertical;min-height:68px}.input::placeholder{color:#85858a}textarea.input{font-size:21px;min-height:135px;line-height:1.5}.question{max-width:840px}.question h1{font-size:48px;letter-spacing:-1.6px}.options{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:800px}.option{position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;display:flex;gap:16px;cursor:pointer;align-items:flex-start}.option:has(input:checked){border:2px solid var(--action);padding:19px 23px;background:var(--soft)}.option input{width:20px;height:20px;accent-color:var(--action);flex-shrink:0;margin-top:4px}.option b{font-weight:600}.option small{display:block;font-size:13px;line-height:1.5;color:var(--muted);margin-top:4px}.error{min-height:25px;color:var(--action);font-size:14px;margin-top:12px}.back{padding-left:0}.small{font-size:13px;color:var(--muted);line-height:1.5}.note{background:var(--white);border-radius:var(--radius);padding:22px;margin-top:24px;font-size:14px;color:var(--muted)}footer{max-width:1320px;margin:0 auto;padding:24px 5vw 32px;display:flex;justify-content:space-between;align-items:center;gap:24px;color:var(--muted);font-size:12px;border-top:1px solid var(--line)}footer strong{color:var(--ink);font-weight:400}#status{max-width:320px}dialog{border:1px solid var(--line);border-radius:var(--radius);padding:36px;width:min(520px,calc(100% - 32px));color:var(--ink);background:var(--white)}dialog::backdrop{background:#0008}h2{font-size:28px;line-height:1.1;font-weight:600;letter-spacing:-.7px}.review{background:white;border-radius:var(--radius);padding:24px;margin-top:16px}.review h2{font-size:21px}.review p{white-space:pre-wrap;overflow-wrap:anywhere;font-size:15px}.review-head{display:flex;justify-content:space-between;gap:16px;align-items:center}.review-head h2{margin:0}.review small{color:var(--muted)}.file-list{list-style:none;padding:0}.file-list li{margin:12px 0;display:flex;align-items:center;gap:12px;font-size:14px}.file-list img{width:64px;height:64px;object-fit:cover;border-radius:8px}.enter{animation:enter .28s ease-out}@keyframes enter{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media(max-width:833px){main{padding:52px 28px 64px}header{height:76px;padding:0 24px}.preview{display:none}header .quiet{margin-left:auto}h1{font-size:44px}.question h1{font-size:40px}.meta{padding:0 28px}.intro-foot{gap:24px}}@media(max-width:640px){main{padding:44px 24px 48px;min-height:calc(100svh - 280px)}h1{font-size:36px;letter-spacing:-1.1px}.question h1{font-size:34px;letter-spacing:-1px}.lead{font-size:17px}.options{grid-template-columns:1fr}.input{font-size:24px}.intro-foot{flex-direction:column;gap:14px;margin-top:32px}footer{align-items:flex-start;flex-wrap:wrap;padding:22px 24px}#status{max-width:220px}footer>span:first-child{display:none}.hint.keyboard{display:none}.meta{margin-top:22px;padding:0 24px;font-size:10px}.actions{gap:8px}.option{padding:16px 20px}.option:has(input:checked){padding:15px 19px}}@media(max-width:419px){h1,.question h1{font-size:28px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}button:active{transform:none}}
/* Focused revision: one centered conversation, without header/footer rails. */
body{background:var(--canvas)}.stage{width:min(100%,960px);min-height:100svh;margin:0 auto;padding:48px 32px;display:flex;flex-direction:column;justify-content:center;align-items:center}.brand{display:flex;justify-content:center;margin:0 0 22px}.brand img{width:36px;height:36px;border-radius:8px}.meta{margin:0 0 28px;padding:0;display:flex;justify-content:center;gap:10px;flex-wrap:wrap;font-size:11px;letter-spacing:.06em;text-align:center;max-width:none}main{width:100%;max-width:850px;min-height:0;margin:0;padding:0;text-align:center}.intro,.question{max-width:800px;margin:0 auto}h1,.question h1{max-width:800px;margin:0 auto 24px;font-size:48px;letter-spacing:-1.6px}.intro h1{font-size:56px;letter-spacing:-2px}.eyebrow{display:none}.lead{margin:0 auto 28px;max-width:640px;font-size:19px}.actions{justify-content:center;margin-top:28px;gap:14px}.input{margin:0 auto;text-align:center;max-width:680px}textarea.input{text-align:left}.options{margin:0 auto;text-align:left;max-width:740px}.option{padding:17px 20px}.option:has(input:checked){padding:16px 19px}.error{margin:8px 0 0;min-height:24px}.utilities{margin-top:24px;display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:0 12px;max-width:650px;text-align:center}.utilities .quiet{color:var(--muted);font-size:12px;min-height:44px}.utilities p{flex-basis:100%;max-width:none;margin:2px 0 0;font-size:11px;color:var(--muted)}.intro-note{font-size:12px;line-height:1.7;color:var(--muted);margin:28px auto 0}.hint.keyboard{display:none}.review{text-align:left}.review p{margin-top:14px}.file-list{max-width:680px;margin:0 auto;text-align:left}.note{max-width:720px;margin:24px auto 0}.small{max-width:720px;margin:12px auto}.back{min-width:75px}dialog{text-align:left}.question input[type=file]{max-width:100%;font-size:14px}.intro .hint{display:none}
@media(max-width:833px){.stage{padding:40px 28px}.intro h1{font-size:44px}h1,.question h1{font-size:40px}.meta{margin-bottom:24px}.lead{font-size:18px}}
@media(max-width:640px){.stage{padding:32px 24px}.brand{margin-bottom:18px}.brand img{width:32px;height:32px}.meta{font-size:10px;margin-bottom:24px;gap:8px}.intro h1{font-size:36px;letter-spacing:-1.2px}h1,.question h1{font-size:34px;letter-spacing:-1px}.lead{font-size:17px;margin-bottom:24px}.utilities{margin-top:22px}.utilities p{font-size:10px}.intro-note{font-size:11px}.input{font-size:24px}.options{grid-template-columns:1fr}.actions{gap:8px}.review{padding:20px}.review-head h2{font-size:18px}}
@media(max-width:419px){h1,.question h1{font-size:28px}.intro h1{font-size:34px}}
@media(max-height:650px){.stage{justify-content:flex-start;padding-top:28px;padding-bottom:28px}}
.question-requirement{font-size:11px;color:var(--muted);margin:0 0 12px;letter-spacing:.04em}.keyboard-note{font-size:11px;color:var(--muted);margin:14px 0 0}@media(max-width:640px){.keyboard-note{display:none}}
/* Keep guidance readable: native single-line placeholders cannot wrap on iOS. */
.answer-hint{max-width:680px;margin:0 auto 4px;color:var(--muted);font-size:17px;line-height:1.5;overflow-wrap:anywhere;text-wrap:pretty}
.stage>*{min-width:0;max-width:100%}.question,.intro,.options,.option>span{min-width:0}
h1,.lead,.option,.note,.small,.meta,.review-head h2,.utilities p{overflow-wrap:anywhere}
.input{min-width:0;max-width:min(100%,680px);scroll-margin-block:24px}
.option>span{flex:1}.review-head h2{min-width:0}.review-head .quiet{flex-shrink:0}
.file-list li{flex-wrap:wrap}.file-list li>span{min-width:0;flex:1;overflow-wrap:anywhere}
@media(max-width:640px){.answer-hint{font-size:16px;max-width:100%}.stage{padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right))}}
@media(max-height:500px){.stage{justify-content:flex-start;min-height:100dvh}.input{scroll-margin-block:16px}}
/* A quiet, high-contrast underline replaces the text-field focus rectangle. */
input.input:focus,textarea.input:focus,input.input:focus-visible,textarea.input:focus-visible{outline:none;border-bottom-color:var(--ink);box-shadow:inset 0 -2px 0 var(--ink);caret-color:var(--ink)}
@media(forced-colors:active){input.input:focus,textarea.input:focus,input.input:focus-visible,textarea.input:focus-visible{box-shadow:none;border-bottom:3px solid Highlight}}