.support-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 0.6rem 1rem;
  background: var(--md-primary-fg-color);
  color: var(--md-primary-bg-color);
  font-size: 0.78rem;
  line-height: 1.4;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.12);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.support-banner.is-visible {
  transform: translateY(0);
}

.support-banner__text {
  flex: 1 1 auto;
  max-width: 60ch;
}

.support-banner a {
  color: var(--md-primary-bg-color);
  text-decoration: underline;
  font-weight: 600;
}

.support-banner__close {
  flex: 0 0 auto;
  background: transparent;
  border: 1px solid currentColor;
  color: inherit;
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  cursor: pointer;
  font-size: 0.7rem;
  font-family: inherit;
}

.support-banner__close:hover {
  background: rgba(255, 255, 255, 0.12);
}

@media (max-width: 600px) {
  .support-banner {
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
  }
}