.auth-body {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: linear-gradient(160deg, #eef2ff 0%, #f8fafc 45%, #e8eef7 100%);
}
.auth-body-scroll {
  align-items: flex-start;
  padding-top: 2rem;
  padding-bottom: 3rem;
}
.auth-wrap { width: 100%; max-width: 400px; }
.auth-wrap-wide { max-width: 600px; }
.auth-brand { text-align: center; margin-bottom: 1rem; }
.brand-link { color: inherit; text-decoration: none; font-weight: 700; font-size: 1.3rem; }
.auth-page-title {
  text-align: center;
  margin: 0 0 0.5rem;
  font-size: 1.6rem;
}
.auth-promo {
  text-align: center;
  color: #059669;
  margin: 0 0 1.25rem;
  line-height: 1.5;
}
.auth-card {
  background: #fff;
  border-radius: 16px;
  padding: 1.6rem 1.4rem;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}
.auth-card-wide { padding: 1.5rem; }
.auth-card h1 {
  margin: 0 0 1.1rem;
  font-size: 1.35rem;
  text-align: center;
}
.auth-form label {
  display: block;
  font-size: 0.85rem;
  color: #64748b;
  font-weight: 600;
  margin: 0.75rem 0 0.35rem;
}
.auth-form input {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  font-size: 16px;
}
.auth-form .btn-primary {
  width: 100%;
  margin-top: 1.15rem;
  padding: 0.85rem;
  border: none;
  border-radius: 10px;
  background: #4f46e5;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 50px;
}
.auth-form .btn-primary:hover { background: #4338ca; }

.btn-google {
  margin-top: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  width: 100%;
  min-height: 50px;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  background: #fff;
  color: #0f172a;
  text-decoration: none;
  font-weight: 600;
}
.btn-google:hover { background: #f8fafc; }

.auth-links {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1rem;
  font-size: 0.9rem;
  color: #94a3b8;
}
.auth-links a { color: #64748b; text-decoration: none; }
.auth-links a:hover { color: #4f46e5; }

.alert {
  padding: 0.65rem 0.8rem;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}
.alert-danger { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.alert-success { background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.alert-info { background: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe; }

.auth-note { text-align: center; color: #64748b; font-size: 0.9rem; margin-top: 1rem; }
.auth-note a { color: #64748b; }
.back-row { margin: 0 0 0.75rem; }
.back-row a { color: #64748b; text-decoration: none; font-size: 0.9rem; }

.scroll-box {
  height: 150px;
  overflow-y: auto;
  border: 1px solid #e2e8f0;
  padding: 0.9rem;
  margin-bottom: 0.55rem;
  background: #f8fafc;
  font-size: 0.78rem;
  line-height: 1.6;
  border-radius: 8px;
}
.step-label { font-weight: 700; margin: 1rem 0 0.45rem; }
.check-row {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}
.signup-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1.25rem;
}
.signup-actions .half { margin: 0; }
.btn-outline,
.btn-google-solid {
  width: 100%;
  min-height: 48px;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}
.btn-outline {
  border: 1px solid #0f172a;
  background: #fff;
  color: #0f172a;
}
.btn-google-solid {
  border: none;
  background: #4285F4;
  color: #fff;
}
.btn-outline:disabled,
.btn-google-solid:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  filter: grayscale(0.4);
}

.input-row {
  display: flex;
  gap: 0.4rem;
}
.input-row input { flex: 1; }
.btn-side {
  border: 1px solid #cbd5e1;
  background: #fff;
  border-radius: 10px;
  padding: 0 0.8rem;
  white-space: nowrap;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
}
.field-msg { margin: 0.35rem 0 0; font-size: 0.85rem; color: #64748b; }
.field-msg.ok { color: #047857; }
.field-msg.error { color: #b91c1c; }
.hint { margin: 0.35rem 0 0; color: #94a3b8; font-size: 0.82rem; }
.hidden { display: none; }

@media (max-width: 560px) {
  .signup-actions { grid-template-columns: 1fr; }
}