.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.auth-main {
  flex: 1;
  padding: 2rem 1.5rem 3rem;
}

/* Card-borderless by default — the form flows with the page, same as
   purchase/install/dashboard on mobile. The `.auth-card` is just a
   width constraint + centring wrapper at this size. The card
   treatment (border / background / padding / shadow) only kicks in
   at ≥700px where there's real empty canvas to anchor against. */
.auth-card {
  width: 100%;
  margin: 0 auto;
}

@media (min-width: 700px) {
  .auth-main { padding: 7.5rem 1.5rem 5rem; }

  .auth-card {
    max-width: 26.25rem;
    background: var(--bg);
    border: 1px solid var(--rule);
    border-radius: var(--radius-2xl);
    padding: 2.25rem 2.25rem 1.75rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
  }
}

.auth-head { margin-bottom: 1.75rem; }
.auth-title {
  font-family: var(--font-sans);
  font-weight: var(--font-semibold);
  font-size: 1.625rem;
  letter-spacing: -0.022em;
  line-height: 1.2;
  margin: 0 0 0.875rem;
}
.auth-sub {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--ink-soft);
  line-height: 1.5;
  margin: 0;
}

.forgot {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--ink-soft);
  border-bottom: 1px dotted var(--ink-faint);
  padding-bottom: 1px;
}
.forgot:hover { color: var(--accent); border-color: var(--accent); }

.auth-cta { margin-top: 0.5rem; }

.auth-error {
  font-family: var(--font-mono);
  font-size: 0.78125rem;
  color: #b42318;
  background: #fef3f2;
  border: 1px solid #fecdca;
  border-radius: var(--radius-sm);
  padding: 0.625rem 0.875rem;
  margin-bottom: 0.25rem;
}

.auth-alt {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.78125rem;
  color: var(--ink-dim);
  text-align: center;
}
.auth-alt-link {
  color: var(--accent);
  font-weight: var(--font-medium);
  border-bottom: 1px dotted var(--accent-dot);
  padding-bottom: 1px;
  margin-left: 0.25rem;
}
.auth-alt-link:hover { border-color: var(--accent); }