/* ==========================================================================
   Phase 5.2: Authentication & Onboarding Styles (/login, /user-registration, /auth/*)
   ========================================================================== */

.hp-auth-section {
  background: linear-gradient(135deg, #fdf2f8 0%, #f5f3ff 100%);
  padding: 40px 0 64px;
  min-height: calc(100vh - 200px);
}

.hp-auth-split-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  max-width: 980px;
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid var(--hp-border);
  border-radius: var(--hp-radius-lg);
  overflow: hidden;
  box-shadow: var(--hp-shadow-md);
}

.hp-auth-promo-side {
  background: linear-gradient(160deg, #faf5ff 0%, #fdf2f8 100%);
  padding: 36px 32px;
  border-right: 1px solid var(--hp-border);
  display: flex;
  flex-direction: column;
}

.hp-auth-promo-side h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--hp-purple-dark);
  margin: 0 0 12px;
  line-height: 1.25;
}

.hp-auth-promo-side p {
  font-size: 14.5px;
  color: var(--hp-text-secondary);
  line-height: 1.6;
  margin: 0 0 22px;
}

.hp-auth-perks-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hp-auth-perks-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  color: var(--hp-text-primary);
}

.hp-auth-perks-list li i {
  color: #10b981;
  margin-top: 3px;
}

.hp-auth-b2b-box {
  margin-top: auto;
  padding: 14px 16px;
  background: #ffffff;
  border: 1px solid #e9d8fd;
  border-radius: var(--hp-radius-md);
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hp-auth-b2b-box a {
  font-weight: 800;
  color: var(--hp-purple);
  text-decoration: none;
}

.hp-auth-form-side {
  padding: 36px 34px;
}

.hp-auth-register-card {
  max-width: 720px;
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid var(--hp-border);
  border-radius: var(--hp-radius-lg);
  padding: 36px 38px;
  box-shadow: var(--hp-shadow-md);
}

.hp-auth-otp-btn {
  width: 100%;
  justify-content: center;
  margin-bottom: 12px;
  gap: 8px;
}

.hp-auth-social-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.hp-auth-social-btn {
  height: 42px;
  border: 1px solid var(--hp-border-strong);
  border-radius: var(--hp-radius-md);
  background: #ffffff;
  color: var(--hp-text-primary);
  font-size: 13px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
}

.hp-auth-social-btn:hover {
  background: #f9fafb;
  border-color: var(--hp-purple);
}

.hp-auth-divider {
  position: relative;
  text-align: center;
  margin: 20px 0;
}

.hp-auth-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--hp-border);
}

.hp-auth-divider span {
  position: relative;
  background: #ffffff;
  padding: 0 12px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--hp-text-muted);
}

.hp-password-wrap {
  position: relative;
}

.hp-password-toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: 0;
  color: var(--hp-text-muted);
  cursor: pointer;
}

.hp-auth-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

.hp-auth-radio-inline {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 8px 0;
  font-size: 13.5px;
}

.hp-auth-radio-inline label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.hp-auth-alert {
  padding: 12px 14px;
  border-radius: var(--hp-radius-md);
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 14px;
  background: #dcfce7;
  color: #166534;
  border: 1px solid #86efac;
}

@media (max-width: 860px) {
  .hp-auth-split-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .hp-auth-promo-side {
    border-right: 0;
    border-bottom: 1px solid var(--hp-border);
  }
}

@media (max-width: 640px) {
  .hp-auth-grid-2,
  .hp-auth-social-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .hp-auth-form-side,
  .hp-auth-register-card {
    padding: 24px 20px;
  }
}