:root{
  --paper:#f4f9fd;--paper-2:#e7f1fa;--ink:#0e2133;--ink-soft:#3c5468;--muted:#6a8299;
  --line:#cfe1ef;--blue:#2b7bb9;--blue-deep:#1f5a87;--cyan:#1487b8;--wash:#e2eff9;
  --good:#1f9e86;--warn:#c07d12;--card:#fff;--shadow:0 1px 2px rgba(13,34,51,.06),0 12px 30px rgba(13,34,51,.08);
  --sans:system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,'SF Mono','Cascadia Mono',Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){:root{
  --paper:#0a1622;--paper-2:#0e2031;--ink:#e8f1f8;--ink-soft:#c6dbec;--muted:#94aabf;
  --line:#244058;--blue:#4f9bd9;--blue-deep:#21c1f3;--cyan:#21c1f3;--wash:rgba(0,170,239,.14);
  --good:#2AC5AE;--warn:#E8A317;--card:#122a3f;--shadow:0 22px 55px -22px rgba(0,0,0,.6);
}}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:820px;margin:0 auto;padding:0 24px}
.wrap.narrow{max-width:460px}
a{color:var(--blue-deep)}
h1{font-size:clamp(1.7rem,4vw,2.4rem);letter-spacing:-.02em;margin:.3em 0}
h2{font-size:1.25rem;margin:1.6em 0 .4em}
h3{margin:.2em 0 .6em}
.muted{color:var(--muted)}
.mono{font-family:var(--mono);font-size:.85em}
.error{color:#c0432c;font-weight:600}

/* hero / recipient hub */
.hero{background:radial-gradient(120% 80% at 85% -20%,var(--wash),transparent 60%),var(--paper-2);border-bottom:1px solid var(--line);padding:40px 0 42px;margin-bottom:26px}
.eyebrow{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-bottom:.7em}
.lede{color:var(--ink-soft);max-width:60ch}
.foot{border-top:1px solid var(--line);margin-top:40px;padding:22px 0 50px}
.foot .sig{font-weight:700;margin:0}

/* steps */
.steps{display:flex;flex-direction:column;gap:14px;padding-bottom:10px}
.step{display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow)}
.step .n{width:44px;height:44px;border-radius:50%;background:var(--wash);color:var(--blue-deep);font-weight:800;display:flex;align-items:center;justify-content:center}
.step h2{margin:0 0 .5em;font-size:1.1rem}

/* buttons + pills */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.92rem;text-decoration:none;padding:10px 18px;border-radius:10px;border:1px solid var(--line);cursor:pointer;background:transparent;color:var(--blue-deep)}
.btn.primary{background:linear-gradient(135deg,#00aaef,#2b7bb9);color:#fff;border-color:transparent;box-shadow:0 8px 20px -8px rgba(0,120,180,.6)}
.btn.small{padding:6px 12px;font-size:.82rem}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.pill{display:inline-block;font-family:var(--mono);font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;padding:3px 9px;border-radius:100px;vertical-align:middle;margin-left:6px}
.pill.sign{background:var(--wash);color:var(--blue-deep)}
.pill.good{background:rgba(31,158,134,.16);color:var(--good)}
.pill.lock{background:rgba(106,130,153,.16);color:var(--muted)}
.step.locked{opacity:.72}
.step.locked .n{background:rgba(106,130,153,.16);color:var(--muted)}
.lockhint{font-size:.85rem;margin:.2em 0 .7em}
.cbrow{flex-direction:row!important;align-items:flex-start;gap:9px!important;font-size:.86rem}
.cbrow input{margin-top:3px}
.back{display:inline-block;color:var(--muted);text-decoration:none;font-size:.9rem;margin:18px 0 4px}

/* document + prose */
.doc{padding-top:6px}
.prose{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px 28px;box-shadow:var(--shadow);color:var(--ink-soft)}
.prose h1,.prose h2,.prose h3{color:var(--ink)}
.prose table{border-collapse:collapse;width:100%}
.prose th,.prose td{border:1px solid var(--line);padding:8px 10px;text-align:left}
.note{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--cyan);border-radius:12px;padding:18px 22px;margin:20px 0;box-shadow:var(--shadow)}
.note.good{border-left-color:var(--good)}

/* signing form */
.signform{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 24px;margin-top:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px}
.signform label{display:flex;flex-direction:column;gap:5px;font-size:.9rem;color:var(--ink-soft)}
.signform input[type=text],.signform input[name=signer_name],.signform input[type=email]{padding:10px 12px;border:1px solid var(--line);border-radius:9px;background:var(--paper);color:var(--ink);font:inherit}
.pad-wrap{display:flex;flex-direction:column;gap:8px}
.pad-label{font-size:.8rem;color:var(--muted)}
#pad{border:1px dashed var(--line);border-radius:10px;background:var(--paper);touch-action:none;max-width:100%;width:100%;height:180px}
.agree{flex-direction:row!important;align-items:center;gap:9px!important;font-size:.88rem}

/* admin */
.admin{background:var(--paper)}
.adminbar{background:var(--card);border-bottom:1px solid var(--line);padding:14px 0;margin-bottom:24px}
.adminbar .wrap{display:flex;justify-content:space-between;align-items:center}
.adminbar .brand{font-weight:700;text-decoration:none;color:var(--ink)}
.head-row{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 22px;box-shadow:var(--shadow);margin:16px 0}
.form{display:flex;flex-direction:column;gap:12px}
.form label{display:flex;flex-direction:column;gap:5px;font-size:.88rem;color:var(--ink-soft)}
.form input,.form textarea,.form select{padding:10px 12px;border:1px solid var(--line);border-radius:9px;background:var(--paper);color:var(--ink);font:inherit}
.list{width:100%;border-collapse:collapse;margin:10px 0}
.list th{text-align:left;font-family:var(--mono);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--line);padding:10px 8px}
.list td{border-bottom:1px solid var(--line);padding:12px 8px;vertical-align:top}
.linkbox{word-break:break-all;margin-top:6px}
.linkbtn{background:none;border:none;color:#c0432c;cursor:pointer;font:inherit;padding:0}
.events{list-style:none;padding:0;margin:0}
.events li{padding:7px 0;border-bottom:1px solid var(--line);font-size:.9rem}
@media (max-width:560px){.step{grid-template-columns:1fr}.step .n{display:none}}

/* cross-document nav bar (also injected inline on the standalone designed pages) */
.xnav{position:sticky;top:0;z-index:60;display:flex;gap:6px;align-items:center;flex-wrap:wrap;padding:9px 14px;background:var(--card);border-bottom:1px solid var(--line);margin-bottom:8px}
.xnav a{font-size:.8rem;text-decoration:none;color:var(--ink-soft);padding:6px 11px;border-radius:8px;white-space:nowrap}
.xnav a:hover{background:var(--wash);color:var(--ink)}
.xnav a.cur{background:var(--blue-deep);color:#fff;font-weight:700}
.xnav a.lock{color:var(--muted)}
.xnav .home{color:var(--blue-deep);font-weight:700}
.xnav .sp{flex:1 1 12px}