*{box-sizing:border-box}
:root{--ink:#14202B;--muted:#5A6B7A;--line:#D7DEE5;--bg:#F5F7FA;--card:#FFFFFF;--accent:#1B5FD9;--accent-ink:#FFFFFF;--bad:#B3261E}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--accent)}
.top{position:sticky;top:0;z-index:5;background:var(--card);border-bottom:1px solid var(--line);padding:10px 16px}
.top .row{max-width:880px;margin:0 auto;display:flex;gap:12px;align-items:center;justify-content:space-between}
.top b{font-size:15px}.progress{height:6px;background:var(--line);border-radius:3px;overflow:hidden;max-width:880px;margin:8px auto 0}
.progress span{display:block;height:100%;background:var(--accent)}
main{max-width:880px;margin:0 auto;padding:24px 16px 96px}
h1{font-size:clamp(26px,5vw,38px);line-height:1.15;margin:8px 0 8px}h2{font-size:20px;margin:28px 0 8px}
.intro{color:var(--muted);margin:0 0 20px}
.q{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin:0 0 14px}
.q[hidden]{display:none}
.q>.label{display:block;font-weight:700;margin:0 0 4px}.q .help{color:var(--muted);font-size:14px;margin:0 0 10px}
.q.problem{border-color:var(--bad)}.q .err{color:var(--bad);font-weight:600;font-size:14px;margin:8px 0 0}
input[type=text],input[type=email],input[type=tel],input[type=time],textarea,select{width:100%;font:inherit;padding:12px;border:1.5px solid #9AAAB8;border-radius:10px;background:#fff;color:var(--ink)}
textarea{min-height:110px}
input:focus,textarea:focus,select:focus{outline:3px solid #9CC1FF;border-color:var(--accent)}
.opts{display:grid;gap:8px}.opt{display:flex;gap:10px;align-items:center;padding:12px;border:1.5px solid var(--line);border-radius:10px;background:#fff;cursor:pointer}
.opt input{width:20px;height:20px;flex:none}.opt:has(input:checked){border-color:var(--accent);background:#EEF4FF}
.yesno{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.rows{display:grid;gap:10px}.rowset{display:grid;gap:8px;grid-template-columns:1fr;border:1px dashed var(--line);border-radius:10px;padding:10px}
.rowset label{font-size:13px;color:var(--muted);display:grid;gap:4px}
@media (min-width:720px){.rowset.cols-3{grid-template-columns:2fr 1fr 1fr}.rowset.cols-5{grid-template-columns:2fr 1fr 1.3fr 1fr 1fr}}
.cards{display:grid;gap:14px;grid-template-columns:1fr}
@media (min-width:720px){.cards{grid-template-columns:1fr 1fr}.cards.small{grid-template-columns:repeat(3,1fr)}}
.card{display:block;border:2px solid var(--line);border-radius:16px;background:#fff;overflow:hidden;cursor:pointer;position:relative}
.card input{position:absolute;opacity:0}.card:has(input:checked){border-color:var(--accent);box-shadow:0 0 0 4px #CFE0FF}
.card:has(input:focus-visible){outline:3px solid #9CC1FF}
.card .meta{padding:12px 14px}.card .meta b{display:block}.card .meta span{color:var(--muted);font-size:14px}
.mock{background:var(--b-bg);color:var(--b-ink);font-family:var(--b-body);padding:16px;min-height:190px}
.mock .bar{display:flex;justify-content:space-between;align-items:center;font-size:12px;margin-bottom:18px}
.mock .bar i{display:inline-block;width:46px;height:8px;background:var(--b-muted);opacity:.4;border-radius:4px;margin-left:6px}
.mock .head{font-family:var(--b-heading);font-weight:var(--b-heading-weight);text-transform:var(--b-heading-transform);letter-spacing:var(--b-tracking);font-size:24px;line-height:1.1;margin:0 0 8px}
.mock .sub{color:var(--b-muted);font-size:13px;margin:0 0 12px}
.mock .cta{display:inline-block;background:var(--b-accent);color:var(--b-accent-ink);padding:7px 12px;border-radius:var(--b-radius);font-size:12px;font-weight:700}
.mock .tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:14px}.mock .tiles span{height:34px;background:var(--b-surface);border-radius:var(--b-radius);border:1px solid rgba(0,0,0,.08)}
.mock.layout-band .hero{background:var(--b-ink);color:var(--b-bg);margin:0 -16px;padding:14px 16px}
.mock.layout-band .hero .sub{color:var(--b-bg);opacity:.8}
.mock.layout-stripe{background:repeating-linear-gradient(135deg,var(--b-surface) 0 16px,var(--b-bg) 16px 32px)}
.mock.layout-centred .hero{text-align:center}
.mock.layout-card .hero{background:var(--b-surface);border-radius:var(--b-radius);padding:12px}
.mock.layout-split .hero{border-left:3px solid var(--b-accent);padding-left:12px}
.swatches{display:flex;height:70px}.swatches span{flex:1}.sw-background{background:var(--b-bg)}.sw-surface{background:var(--b-surface)}.sw-ink{background:var(--b-ink)}.sw-accent{background:var(--b-accent)}.sw-muted{background:var(--b-muted)}
.typeset{padding:18px;min-height:110px}.typeset .head{font-family:var(--b-heading);font-size:24px;margin:0 0 6px}.typeset p{font-family:var(--b-body);margin:0;color:var(--muted)}
.tone{padding:16px;font-size:15px;min-height:100px;background:#FAFBFD}
.live{position:sticky;top:70px;border:2px solid var(--line);border-radius:16px;overflow:hidden;margin:0 0 18px}
.live small{display:block;background:var(--card);padding:6px 12px;color:var(--muted)}
.actions{position:fixed;left:0;right:0;bottom:0;background:var(--card);border-top:1px solid var(--line);padding:12px 16px}
.actions .row{max-width:880px;margin:0 auto;display:flex;gap:10px;justify-content:space-between;flex-wrap:wrap}
button,.button{font:inherit;font-weight:700;padding:12px 18px;border-radius:10px;border:0;background:var(--accent);color:var(--accent-ink);cursor:pointer;text-decoration:none;display:inline-block}
button.quiet,.button.quiet{background:transparent;color:var(--accent);border:1.5px solid var(--accent)}
.code{font:700 22px/1.2 ui-monospace,Consolas,monospace;letter-spacing:.06em;background:#fff;border:1.5px dashed var(--accent);border-radius:10px;padding:12px;display:inline-block}
.notice{background:#FFF8E1;border:1px solid #F0D98A;border-radius:12px;padding:12px 14px;margin:0 0 16px;font-size:15px}
dl.summary{display:grid;grid-template-columns:1fr;gap:4px 16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}
@media (min-width:720px){dl.summary{grid-template-columns:minmax(200px,1fr) 2fr}}
dl.summary dt{font-weight:700}dl.summary dd{margin:0 0 8px}
@media (prefers-reduced-motion:no-preference){.card,.opt{transition:border-color .15s,box-shadow .15s}}
.progress .p0{width:0%}
.progress .p5{width:5%}
.progress .p10{width:10%}
.progress .p15{width:15%}
.progress .p20{width:20%}
.progress .p25{width:25%}
.progress .p30{width:30%}
.progress .p35{width:35%}
.progress .p40{width:40%}
.progress .p45{width:45%}
.progress .p50{width:50%}
.progress .p55{width:55%}
.progress .p60{width:60%}
.progress .p65{width:65%}
.progress .p70{width:70%}
.progress .p75{width:75%}
.progress .p80{width:80%}
.progress .p85{width:85%}
.progress .p90{width:90%}
.progress .p95{width:95%}
.progress .p100{width:100%}