.login-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  place-items: center;
  min-height: 100svh;
  padding: 24px;
  background: var(--bg);
}

.login-form-side {
  display: block;
  width: min(100%, 480px);
  min-height: auto;
  padding: 32px 38px 38px;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.login-main {
  max-width: none;
  padding: 38px 0 0;
}

.login-main h1 {
  margin-bottom: 26px;
  font-size: 1.7rem;
  line-height: 1.5;
}

:root[data-theme="light"] .login-form-side { color-scheme: light; }
:root[data-theme="light"] .login-form .form-control {
  background-color: #f5f9fa;
  border-color: #a9bdc5;
  color: var(--ink);
}
:root[data-theme="light"] .login-form .form-control:focus {
  background-color: #fff;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
:root[data-theme="light"] .login-form .form-control::placeholder {
  color: #586c7c;
  opacity: 1;
}
:root[data-theme="light"] .password-field .icon-button { color: #425d70; }
:root[data-theme="light"] .login-submit:hover { filter: brightness(.88); }

@media (max-width: 540px) {
  .login-layout { padding: 16px; }
  .login-form-side { padding: 26px 22px 30px; }
  .login-main { padding-top: 28px; }
}