:root{--blue:#0A2540;--accent:#004E89;--ink:#1a1a1a;--muted:#666;--line:#e3e6ea}
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:#fff;color:var(--ink);
  -webkit-font-smoothing:antialiased}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 28px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.14em;font-size:13px;color:var(--blue)}
.brand .dot{width:26px;height:26px;border-radius:7px;background:var(--blue);color:#fff;display:grid;
  place-items:center;font-size:14px;letter-spacing:0}
.brand small{display:block;font-weight:500;letter-spacing:.02em;color:var(--muted);font-size:11px}
.topbar .secure{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:6px}
.hero{min-height:calc(100vh - 66px);display:flex;align-items:center;justify-content:center;padding:48px 22px}
.wrap{width:100%;max-width:560px;text-align:center}
h1{font-size:25px;margin:0 0 8px;color:var(--blue)}
.sub{color:var(--muted);font-size:14px;margin:0 0 26px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;text-align:left}
.field{position:relative}
.field input{width:100%;padding:17px 14px 8px;font-size:15px;border:1px solid #c9d0d8;border-radius:8px;
  background:#fff;outline:none;color:var(--ink);transition:border-color .15s,box-shadow .15s}
.field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,78,137,.12)}
.field label{position:absolute;left:11px;top:6px;font-size:11px;color:var(--muted);pointer-events:none;
  background:#fff;padding:0 4px}
.field.wide{grid-column:1/-1}
.cta{width:100%;margin-top:22px;padding:16px;border:0;border-radius:9px;background:var(--accent);color:#fff;
  font-size:15px;font-weight:700;letter-spacing:.02em;cursor:pointer;display:flex;align-items:center;
  justify-content:center;gap:9px}
.cta:disabled{opacity:.85;cursor:default}
.spin{width:15px;height:15px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;
  animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.note{margin-top:18px;font-size:12px;color:var(--muted)}
.docbar{display:flex;align-items:center;justify-content:space-between;gap:14px;max-width:900px;margin:0 auto 14px;
  padding:0 4px}
.docbar .name{font-size:13px;color:var(--muted)}
.frame{width:100%;max-width:900px;height:62vh;border:1px solid var(--line);border-radius:10px;
  box-shadow:0 8px 26px rgba(10,37,64,.08);margin:0 auto;display:block;background:#f4f5f7}
.tools{display:flex;gap:10px;justify-content:center;margin:18px 0 0}
.pill{border:1px solid #c9d0d8;background:#fff;border-radius:20px;padding:9px 16px;font-size:13px;
  color:var(--blue);cursor:pointer}
.pill.on{background:#eef4f9;border-color:var(--accent);color:var(--accent);font-weight:700}
.sig{border:1px solid var(--line);border-radius:12px;padding:26px;max-width:520px;margin:0 auto;text-align:center;
  box-shadow:0 10px 30px rgba(10,37,64,.08)}
.sig h2{font-size:17px;margin:0 0 6px}
.sig p{font-size:13px;color:var(--muted);margin:0 0 20px}
.prov{display:flex;flex-direction:column;gap:10px}
.prov button{display:flex;align-items:center;gap:12px;padding:13px 16px;border:1px solid #c9d0d8;border-radius:9px;
  background:#fff;font-size:14px;font-weight:600;color:#3c4043;cursor:pointer;text-align:left}
.prov button:hover{border-color:#9aa4ae;background:#fafbfc}
.prov svg{flex:0 0 auto}
.legal{font-size:11px;color:#9aa4ae;margin-top:20px}
.legal a{color:#9aa4ae}
.center{display:grid;place-items:center;min-height:100vh;padding:20px}