/**
 * Social login buttons on the auth form.
 */

.courseglade-social-login {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

/* Hairline rule with the label sitting on it, scoped so the shared
   .courseglade-auth-divider used elsewhere on the auth form is untouched. */
.courseglade-social-login .courseglade-auth-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem 0 0.875rem;
}

.courseglade-social-login .courseglade-auth-divider::before,
.courseglade-social-login .courseglade-auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--courseglade-border);
}

.courseglade-social-login__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.courseglade-social-login__btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--courseglade-border);
  border-radius: var(--courseglade-radius-md);
  background: var(--courseglade-surface-lowest);
  box-shadow: var(--courseglade-shadow-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.courseglade-social-login__btn:hover,
.courseglade-social-login__btn:focus-visible {
  border-color: var(--courseglade-primary);
  box-shadow: var(--courseglade-shadow);
  transform: translateY(-1px);
}

.courseglade-social-login__btn svg {
  display: block;
}

.courseglade-social-login__initial {
  font-size: 1rem;
  font-weight: 700;
  color: var(--courseglade-on-surface);
}

/* Tooltip — label lives in aria-label for AT, data-tooltip for sighted users. */
.courseglade-social-login__btn::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  padding: 0.25rem 0.5rem;
  border-radius: var(--courseglade-radius-sm);
  background: var(--courseglade-on-surface);
  color: var(--courseglade-surface-lowest);
  font-size: 0.75rem;
  line-height: 1.4;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.15s ease;
  z-index: 2;
}

.courseglade-social-login__btn::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 3px);
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--courseglade-on-surface);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.15s ease;
  z-index: 2;
}

.courseglade-social-login__btn:hover::after,
.courseglade-social-login__btn:hover::before,
.courseglade-social-login__btn:focus-visible::after,
.courseglade-social-login__btn:focus-visible::before {
  opacity: 1;
  visibility: visible;
}

.courseglade-social-notice {
  margin: 0 0 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--courseglade-radius-md);
  border: 1px solid var(--courseglade-border);
  background: var(--courseglade-surface-lowest);
  color: var(--courseglade-on-surface);
  font-size: 0.875rem;
}

.courseglade-social-notice.is-error {
  border-left: 4px solid var(--courseglade-danger);
}