:root{
  --bg:#f5f3ee; --card:#ffffff; --ink:#1d2433; --muted:#5d6577; --line:#dcd8cf;
  --brand:#1f3a5f; --brand-ink:#ffffff; --accent:#b8892b; --ok:#2f6b3f; --warn:#8a5a00;
  --soft:#eef2f7;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 Georgia,"Times New Roman",serif}
.sans{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
header{background:var(--brand);color:var(--brand-ink);padding:18px 16px}
header .inner,main,footer .inner{max-width:720px;margin:0 auto}
header h1{margin:0;font-size:1.35rem;letter-spacing:.2px}
header p{margin:4px 0 0;opacity:.85;font-size:.9rem}
.demo{background:#fff4d6;color:var(--warn);border-bottom:1px solid #ecd9a4;padding:8px 16px;font-size:.85rem;text-align:center}
main{padding:20px 16px 40px}
.progress{height:6px;background:var(--line);border-radius:3px;overflow:hidden;margin-bottom:18px}
.progress div{height:100%;background:var(--accent);width:0;transition:width .3s}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px;margin-bottom:16px}
h2{font-size:1.35rem;margin:0 0 8px;color:var(--brand)}
h3{font-size:1.05rem;margin:22px 0 8px}
.kicker{font-size:.78rem;text-transform:uppercase;letter-spacing:1px;color:var(--accent);margin-bottom:4px}
.muted{color:var(--muted)}
.small{font-size:.85rem}
.summary{background:var(--soft);border-left:4px solid var(--brand);padding:12px 14px;border-radius:4px;margin:12px 0}
.prop{border-top:1px solid var(--line);padding:12px 0}
.prop:first-of-type{border-top:none}
.prop p{margin:0 0 8px}
.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg label,.scale label{flex:1 1 0;min-width:80px;text-align:center;border:1px solid var(--line);border-radius:6px;padding:8px 4px;cursor:pointer;font-size:.88rem;background:#fff;user-select:none}
.seg input,.scale input{position:absolute;opacity:0;pointer-events:none}
.seg label.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.scale{display:flex;gap:6px}
.scale label{min-width:0}
.scale label.on{background:var(--accent);color:#fff;border-color:var(--accent)}
.scale-ends{display:flex;justify-content:space-between;font-size:.8rem;color:var(--muted);margin-top:4px}
.opt{display:flex;gap:10px;align-items:flex-start;padding:9px 10px;border:1px solid var(--line);border-radius:6px;margin-bottom:6px;cursor:pointer;background:#fff}
.opt input{margin-top:4px}
textarea,input[type=text],input[type=email],select{width:100%;font:inherit;font-size:1rem;padding:10px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--ink)}
textarea{min-height:90px;resize:vertical}
.btns{display:flex;gap:10px;justify-content:space-between;margin-top:18px}
button{font:inherit;font-size:1rem;border:none;border-radius:6px;padding:12px 18px;cursor:pointer}
.primary{background:var(--brand);color:#fff}
.ghost{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.gold{background:var(--accent);color:#fff}
button:disabled{opacity:.45;cursor:not-allowed}
.err{color:#a3261b;font-size:.88rem;margin-top:8px;display:none}
.pill{display:inline-block;background:var(--soft);color:var(--brand);border-radius:999px;padding:3px 10px;font-size:.8rem;margin:2px 4px 2px 0}
.picker .opt.dis{opacity:.45}
.linkbox{display:flex;gap:6px;margin-top:8px}
.linkbox input{font-size:.85rem}
.email{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.email .meta{background:#f0f0f0;padding:10px 14px;font-size:.85rem;color:#444;border-bottom:1px solid var(--line)}
.email .body{padding:18px}
.email .choice{display:block;width:100%;text-align:left;margin:8px 0;padding:12px 14px}
.hidden{display:none}
.sheet{position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:3px solid var(--accent);box-shadow:0 -6px 24px rgba(0,0,0,.18);padding:16px 16px calc(16px + env(safe-area-inset-bottom));transform:translateY(110%);transition:transform .25s ease;z-index:50}
.sheet.show{transform:translateY(0)}
.sheet .inner{max-width:720px;margin:0 auto;display:flex;gap:12px;align-items:center;justify-content:space-between}
.sheet .t{font-weight:600;color:var(--brand);line-height:1.3}
.sheet .t small{display:block;font-weight:400;color:var(--muted)}
.sheet button{flex:0 0 auto}
.opt.picked{border-color:var(--brand);background:var(--soft)}
main.pad{padding-bottom:120px}
footer{border-top:1px solid var(--line);padding:16px;font-size:.78rem;color:var(--muted)}
.check{display:flex;gap:10px;align-items:flex-start;margin:10px 0}
.check input{margin-top:5px}
@media (max-width:480px){ .seg label{min-width:70px;font-size:.82rem} h2{font-size:1.2rem} }
.spinner{display:inline-block;width:18px;height:18px;border:3px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite;vertical-align:middle}
@keyframes spin{to{transform:rotate(360deg)}}
.hp{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.done-list{margin:8px 0 0;padding-left:20px;color:var(--muted);font-size:.9rem}