:root{
  --ink:#17353a;--teal:#089a96;--teal-700:#075e5c;--teal-100:#d6efed;--teal-50:#eaf7f6;
  --muted:#536a6e;--danger:#b42318;--bg:#f0f5f5;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;color:var(--ink);
  font:400 16px/1.6 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:
    radial-gradient(60% 45% at 85% 8%, rgba(127,211,207,.22), transparent 60%),
    radial-gradient(55% 45% at 8% 95%, rgba(8,154,150,.28), transparent 60%),
    linear-gradient(150deg,#1b4146 0%,#17353a 45%,#0e2629 100%);
  display:flex;align-items:center;justify-content:center;
  padding:clamp(16px,4vw,40px);-webkit-font-smoothing:antialiased;
}
.gate{width:100%;display:flex;justify-content:center}
.gate__card{
  width:min(440px,100%);background:#fff;border-radius:26px;
  padding:clamp(26px,5vw,42px);text-align:center;
  box-shadow:0 40px 90px rgba(10,34,38,.35);
}
.gate__logo{height:58px;width:auto;margin:0 auto 18px}
.gate__chip{
  display:inline-block;padding:5px 13px;border-radius:999px;
  background:var(--teal-50);border:1px solid var(--teal-100);
  color:var(--teal-700);font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
}
h1{margin:14px 0 8px;font-size:1.6rem;line-height:1.15;letter-spacing:-.02em}
.gate__lead{margin:0 auto 22px;max-width:36ch;color:var(--muted);font-size:14.5px}
.gate__form{text-align:left;display:flex;flex-direction:column;gap:16px}
.gate__field{display:flex;flex-direction:column;gap:6px}
.gate__field label{font-size:13.5px;font-weight:600}
.gate__field input{
  width:100%;min-height:48px;padding:10px 14px;border-radius:12px;
  border:1px solid #d7e3e2;background:#fff;font-size:16px;color:var(--ink);
  transition:border-color .2s,box-shadow .2s;
}
.gate__field input:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(8,154,150,.18)}
.gate__password{position:relative;display:flex;align-items:center}
.gate__password input{padding-right:84px}
.gate__toggle{
  position:absolute;right:8px;height:34px;padding:0 10px;border-radius:9px;
  border:0;background:var(--teal-50);color:var(--teal-700);font-size:12.5px;font-weight:600;cursor:pointer;
}
.gate__toggle:hover{background:var(--teal-100)}
.gate__submit{
  min-height:50px;border:0;border-radius:999px;background:var(--ink);color:#fff;
  font-size:15px;font-weight:600;cursor:pointer;transition:background-color .2s,opacity .2s;
}
.gate__submit:hover{background:#0e2629}
.gate__submit:disabled{opacity:.62;cursor:not-allowed}
.gate__error{
  margin:0;padding:10px 12px;border-radius:10px;background:#fef3f2;color:var(--danger);
  font-size:13.5px;border:1px solid #fecdca;
}
.gate__session{margin-top:8px}
.gate__session p{margin:0 0 12px;font-size:14px;color:var(--muted)}
.gate__session-actions{display:flex;flex-direction:column;gap:10px}
.gate__link{
  display:inline-block;padding:11px 16px;border-radius:999px;text-decoration:none;
  background:var(--teal);color:#fff;font-weight:600;font-size:14px;border:0;cursor:pointer;
}
.gate__link:hover{background:var(--teal-700)}
.gate__link--muted{background:transparent;color:var(--muted);text-decoration:underline;font-weight:500}
.gate__foot{margin:22px 0 0;font-size:12px;color:#8a9a9c}
@media (max-width:420px){.gate__logo{height:50px}}