.auth-shell {
  width: min(calc(100% - 2rem), 1080px);
  margin: 0 auto;
  padding: 1.25rem 0 4rem;
}

.auth-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  gap: 1.25rem;
  margin-top: 1.5rem;
}

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

.auth-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-current);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

.auth-copy-card,
.auth-form-layout {
  display: grid;
  gap: 1rem;
}

.auth-copy-card {
  background:
    radial-gradient(circle at top right, rgba(24, 184, 255, 0.14), transparent 26%),
    linear-gradient(135deg, rgba(20, 87, 214, 0.08), rgba(255, 255, 255, 0.96)),
    rgba(255, 255, 255, 0.96);
}

.auth-form-stack {
  display: grid;
  gap: 1rem;
}

.auth-inline-verify {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.auth-highlight {
  display: grid;
  gap: 0.8rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius-current) - 4px);
  background: rgba(9, 20, 39, 0.96);
  color: #eef6ff;
}

.auth-highlight h2 {
  font-size: 1.35rem;
  color: #f3f7fb;
}

.auth-highlight p,
.auth-highlight li {
  color: rgba(238, 246, 255, 0.82);
}

.auth-highlight-list {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding-left: 1rem;
}

.auth-highlight-note {
  padding: 0.75rem 0.85rem;
  border-radius: calc(var(--radius-current) - 8px);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.auth-copy-card h1 {
  font-size: clamp(2rem, 4vw, 3.3rem);
}

.auth-copy-card p,
.form-note {
  color: var(--muted);
}

.auth-form-layout label {
  display: grid;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--heading);
}

.auth-button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.4rem;
}

@media (max-width: 900px) {
  .auth-layout {
    grid-template-columns: 1fr;
  }
}