/* ---------------------------------------------------------------------
   Authentication gate
------------------------------------------------------------------------ */

body.auth-locked > .skip-link,
body.auth-locked > .site-header,
body.auth-locked > .sidebar-scrim,
body.auth-locked > .site-body {
  visibility: hidden;
}

.auth-gate {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  background: var(--bg);
  color: var(--text);
  overflow: auto;
}

.auth-gate[hidden] {
  display: none;
}

.auth-card {
  width: min(100%, 28rem);
  padding: 2rem;
  background: var(--bg-raised);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  box-shadow: 0 8px 30px rgba(27, 31, 35, 0.12);
}

.auth-logo {
  display: block;
  width: min(180px, 70%);
  height: auto;
  margin: 0 auto 1.5rem;
}

.auth-card h1 {
  margin: 0 0 0.5rem;
  font-size: var(--step-3);
  line-height: 1.2;
  text-align: center;
}

.auth-card > p {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
  text-align: center;
}

.auth-field {
  width: 100%;
  margin-bottom: 1rem;
}

.auth-field label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 600;
}

.auth-field > input,
.password-control,
.password-control input {
  box-sizing: border-box;
  width: 100%;
  max-width: none;
}

.auth-field > input {
  display: block;
  min-height: 2.75rem;
  padding: 0.55rem 0.7rem;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--control-border);
  border-radius: var(--radius);
}

.password-control {
  display: flex;
  align-items: stretch;
}

.password-control input {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 2.75rem;
  padding: 0.55rem 0.7rem;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--control-border);
  border-right: 0;
  border-radius: var(--radius) 0 0 var(--radius);
}

.password-toggle {
  flex: 0 0 auto;
  min-width: 4.5rem;
  min-height: 2.75rem;
  padding: 0.55rem 0.75rem;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--control-border);
  border-radius: 0 var(--radius) var(--radius) 0;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.password-toggle:hover {
  background: var(--bg-raised);
}

.auth-field input:focus-visible,
.password-toggle:focus-visible,
.auth-submit:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.auth-submit {
  width: 100%;
  min-height: 2.75rem;
  margin-top: 0.35rem;
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent-strong);
  border-radius: var(--radius);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.auth-submit:hover {
  background: var(--accent-strong);
}

.auth-error {
  margin: 0 0 1rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--fail);
  border-radius: var(--radius);
  color: var(--fail);
  background: var(--bg);
  font-weight: 600;
}

@media (max-width: 480px) {
  .auth-card {
    padding: 1.5rem;
  }
}