.signin-body {
  min-height: 100vh;
  background:
    linear-gradient(135deg, var(--rose-wash), var(--paper) 42%, color-mix(in srgb, var(--nightfall-navy) 5%, var(--paper) 95%)),
    var(--surface-2);
}

.signin-shell {
  width: min(1180px, calc(100% - 2rem));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(300px, 0.72fr);
  align-items: center;
  gap: clamp(1rem, 4vw, 3rem);
  padding: clamp(1.25rem, 4vw, 3rem) 0;
}

.signin-panel {
  display: grid;
  gap: 1.3rem;
  padding: clamp(1.2rem, 3vw, 2rem);
  border: 1px solid rgba(13, 18, 38, 0.16);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.signin-brand img {
  width: min(180px, 54vw);
  height: auto;
}

.signin-copy .page-title {
  max-width: 12ch;
}

.signin-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
}

.signin-actions .btn {
  min-width: min(100%, 15rem);
}

.signin-account,
.signin-status {
  flex-basis: 100%;
  margin: 0;
  color: var(--muted);
}

.signin-status[data-status="error"] {
  color: var(--danger);
}

.signin-status[data-status="success"] {
  color: var(--ink);
}

.signin-assurance {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
}

.signin-assurance div {
  display: grid;
  gap: 0.18rem;
  min-width: 0;
  padding: 0.78rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
}

.signin-assurance strong {
  color: var(--ink);
  font-family: "Albra Sans", "Segoe UI", Arial, sans-serif;
  font-weight: 400;
  line-height: 1.15;
}

.signin-assurance span {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.35;
}

.signin-visual {
  align-self: stretch;
  min-height: 620px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(13, 18, 38, 0.16);
  border-radius: var(--radius);
  background: var(--teal);
  box-shadow: var(--shadow-soft);
}

.signin-visual-mark {
  width: min(78%, 23rem);
  display: grid;
  justify-items: center;
  gap: 0.7rem;
  padding: clamp(1.2rem, 4vw, 2rem);
  border: 1px solid rgba(13, 18, 38, 0.14);
  border-radius: var(--radius);
  background: var(--paper);
  text-align: center;
}

.signin-visual-mark img {
  width: min(224px, 72vw);
  height: auto;
}

.signin-visual-mark strong {
  font-family: "Albra Sans", "Segoe UI", Arial, sans-serif;
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1.12;
}

.signin-visual-mark span {
  color: var(--muted);
}

@media (max-width: 900px) {
  .signin-shell {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .signin-visual {
    min-height: 260px;
    max-height: 34vh;
  }
}

@media (max-width: 680px) {
  .signin-shell {
    width: min(100% - 1rem, 1180px);
    padding-block: 0.5rem;
  }

  .signin-panel {
    padding: 1rem;
  }

  .signin-assurance {
    grid-template-columns: 1fr;
  }

  .signin-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .signin-actions .btn {
    width: 100%;
  }
}