:root{
      --bg:#f6f7f9; --card:#ffffff; --text:#111827; --muted:#6b7280; --line:#e5e7eb;
      --focus:#111827; --chip:#f3f4f6; --chip-on:#111827; --chip-text:#ffffff; --danger:#b91c1c;
    }
    *{box-sizing:border-box} html{-webkit-text-size-adjust:100%}
    body{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;padding-bottom:92px}
    .wrap{width:min(760px,100%);margin:0 auto;padding:18px 14px 0}
    header{padding:8px 2px 16px}
    h1{margin:0;font-size:1.45rem;letter-spacing:-.04em;line-height:1.05}
    .sub{margin:7px 0 0;color:var(--muted);font-size:.93rem;line-height:1.35}
    .error{background:#fef2f2;color:var(--danger);border:1px solid #fecaca;border-radius:14px;padding:12px 14px;margin:0 0 14px;font-size:.92rem}
    form{display:grid;gap:12px}
    section{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:0 1px 2px rgba(0,0,0,.035)}
    .section-title{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:12px}
    h2{margin:0;font-size:1rem;letter-spacing:-.02em}.hint{color:var(--muted);font-size:.78rem;margin-top:3px;line-height:1.3}
    .grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.grid-3{display:grid;grid-template-columns:.75fr 1fr 1fr;gap:10px}
    label{display:block;font-size:.78rem;font-weight:650;color:#374151;margin:0 0 5px}
    input,select,textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:12px;padding:12px 11px;color:var(--text);font:inherit;font-size:16px;outline:none}
    textarea{min-height:88px;resize:vertical;line-height:1.35}
    input:focus,select:focus,textarea:focus{border-color:var(--focus);box-shadow:0 0 0 3px rgba(17,24,39,.08)}
    select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#111827 50%),linear-gradient(135deg,#111827 50%,transparent 50%);background-position:calc(100% - 17px) 52%,calc(100% - 12px) 52%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:34px}
    .choice-row{display:flex;gap:8px;flex-wrap:wrap}.choice{position:relative;display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 12px;border-radius:999px;background:var(--chip);border:1px solid var(--line);font-weight:700;font-size:.88rem;color:#374151;user-select:none}
    .choice input{position:absolute;opacity:0;pointer-events:none}.choice:has(input:checked){background:var(--chip-on);color:var(--chip-text);border-color:var(--chip-on)}
    .person{border:1px solid var(--line);border-radius:16px;padding:12px;margin-top:10px;background:#fff}.person[hidden]{display:none}.person-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.person-head b{font-size:.94rem}.badge{font-size:.75rem;color:var(--muted);background:#f3f4f6;border-radius:999px;padding:5px 8px}.compact{display:grid;gap:10px}.add-btn{width:100%;border:1px dashed #9ca3af;background:#fff;border-radius:14px;padding:13px;font-weight:800;color:#111827}.sticky{position:fixed;left:0;right:0;bottom:0;background:rgba(246,247,249,.92);backdrop-filter:blur(10px);border-top:1px solid var(--line);padding:10px 14px calc(10px + env(safe-area-inset-bottom));z-index:10}.sticky-inner{width:min(760px,100%);margin:0 auto;display:flex;gap:10px}.primary{flex:1;border:0;border-radius:14px;background:#111827;color:white;font-weight:850;font-size:1rem;padding:14px 16px}.secondary{border:1px solid var(--line);background:white;border-radius:14px;color:#111827;font-weight:800;padding:0 14px}.small-note{color:var(--muted);font-size:.8rem;line-height:1.35;margin-top:8px}
    @media(max-width:620px){.wrap{padding:14px 10px 0}.grid,.grid-3{grid-template-columns:1fr}section{border-radius:16px;padding:12px}.choice{flex:1}.choice-row.segmented .choice{min-width:47%}.person{padding:11px}h1{font-size:1.32rem}}

/* A visible message for validation and PDF generation errors. */
.error[hidden]{display:none}
.primary:disabled{opacity:.55;cursor:wait}
:focus-visible{outline:3px solid #374151;outline-offset:2px}