.auth-page {
  display: grid;
  min-height: min(72vh, 760px);
  place-items: center;
  padding: clamp(2rem, 6vw, 5rem) 1rem;
  background:
    radial-gradient(ellipse at 50% 0, color-mix(in srgb, var(--color-accent-secondary) 10%, transparent), transparent 58%);
}

.auth-card {
  width: min(100%, 30rem);
  padding: clamp(1.5rem, 5vw, 2.75rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
}

.auth-card--register {
  width: min(100%, 34rem);
}

.auth-heading {
  margin-bottom: 2rem;
}

.auth-eyebrow {
  margin: 0 0 .75rem;
  color: var(--color-accent-secondary);
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .1em;
}

.auth-eyebrow span {
  margin-inline: .35rem;
  opacity: .7;
}

.auth-heading h1 {
  margin: 0;
  font-size: clamp(1.8rem, 5vw, 2.35rem);
  font-weight: 650;
  letter-spacing: -.045em;
  line-height: 1.15;
}

.auth-intro {
  margin: .75rem 0 0;
  color: var(--color-muted);
  line-height: 1.6;
}

.auth-form {
  display: grid;
  gap: 1.15rem;
}

.auth-field {
  min-width: 0;
}

.auth-field .form-label {
  margin-bottom: .45rem;
  color: var(--color-text);
  font-weight: 600;
}

.auth-field .form-control {
  min-height: 3rem;
  border-color: var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg);
  color: var(--color-text);
}

.auth-field .form-control::placeholder {
  color: var(--color-muted);
  opacity: .8;
}

.auth-field .form-control:focus,
.auth-submit:focus-visible,
.auth-actions a:focus-visible,
.auth-pi-button:focus-visible {
  border-color: var(--color-accent-secondary);
  outline: 3px solid var(--color-accent-secondary);
  outline-offset: 2px;
  box-shadow: none;
}

.auth-field-feedback {
  color: var(--color-muted);
  font-size: .875rem;
}

.auth-field-feedback:empty {
  display: none;
}

.auth-field-feedback .errorlist,
.auth-feedback .errorlist {
  margin: .45rem 0 0;
  padding-left: 1.2rem;
  color: var(--color-danger);
}

.auth-help {
  padding-top: .5rem;
  color: var(--color-muted);
  line-height: 1.5;
}

.auth-help ul {
  margin: .25rem 0 0;
  padding-left: 1.2rem;
}

.auth-feedback--error {
  padding: .8rem 1rem;
  border: 1px solid color-mix(in srgb, var(--color-danger) 40%, var(--color-border));
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-danger) 7%, var(--color-surface));
  color: var(--color-danger);
}

.auth-feedback--error .errorlist {
  margin: 0;
}

.auth-submit,
.auth-pi-button {
  min-height: 3.15rem;
  border-radius: var(--radius-sm);
  font-weight: 650;
}

.auth-submit {
  margin-top: .25rem;
}

.auth-submit:disabled,
.auth-pi-button:disabled {
  cursor: wait;
  opacity: .72;
}

.auth-actions {
  display: grid;
  gap: .75rem;
  margin-top: 1.4rem;
  text-align: center;
}

.auth-actions p {
  margin: 0;
  color: var(--color-muted);
}

.auth-actions a {
  font-weight: 600;
}

.auth-actions--register {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: .75rem 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
  text-align: left;
}

.auth-actions--register > div {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
}

.auth-trust {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  margin-top: 1.5rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-muted);
  font-size: .82rem;
  line-height: 1.55;
}

.auth-trust > svg {
  flex: 0 0 auto;
  margin-top: .1rem;
  color: var(--color-accent-secondary);
}

.auth-trust .fw-semibold {
  margin-bottom: .25rem;
  color: var(--color-text);
}

.auth-trust p {
  margin: 0;
}

.auth-trust a {
  color: var(--color-accent-secondary);
}

.auth-pi-notice {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  margin-bottom: 1.25rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-muted);
}

.auth-pi-notice p,
.auth-pi-help {
  margin: 0;
}

.auth-pi-notice strong,
.auth-pi-help strong {
  color: var(--color-text);
}

.auth-pi-indicator {
  width: .65rem;
  height: .65rem;
  flex: 0 0 auto;
  margin-top: .45rem;
  border-radius: 50%;
  background: var(--color-accent-secondary);
  box-shadow: 0 0 0 .25rem color-mix(in srgb, var(--color-accent-secondary) 15%, transparent);
}

.auth-pi-button {
  margin-bottom: 1rem;
}

.auth-pi-help {
  color: var(--color-muted);
  font-size: .9rem;
  text-align: center;
}

:root[data-bs-theme="dark"] .auth-feedback--error,
:root[data-bs-theme="dark"] .auth-feedback--error .errorlist,
:root[data-bs-theme="dark"] .auth-field-feedback .errorlist {
  color: #fecaca;
}

@media (max-width: 575.98px) {
  .auth-page {
    min-height: 0;
    padding-block: 1.5rem 2rem;
  }

  .auth-card {
    padding: 1.35rem 1.15rem;
    border-radius: var(--radius-md);
  }

  .auth-heading {
    margin-bottom: 1.5rem;
  }

  .auth-actions--register {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .auth-page *,
  .auth-page *::before,
  .auth-page *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}