/* Newsletter signup box */
.newsletter-box {
  margin: 2rem 0 1rem;
  padding: 1.5rem;
  border: 1px solid var(--main-border-color);
  border-radius: 0.5rem;
  background: var(--card-bg, var(--sidebar-bg));
}

.newsletter-title {
  font-size: 1.1rem;
  margin: 0 0 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--heading-color);
}

.newsletter-desc {
  font-size: 0.9rem;
  color: var(--label-color);
  margin: 0 0 1rem;
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
}

.newsletter-form input[type="email"] {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--main-border-color);
  border-radius: 0.25rem;
  background: var(--main-bg);
  color: var(--text-color);
  font-size: 0.9rem;
}

.newsletter-form input[type="email"]:focus {
  outline: 2px solid var(--link-color);
  outline-offset: -1px;
  border-color: var(--link-color);
}

.newsletter-form button:focus-visible {
  outline: 2px solid var(--link-color);
  outline-offset: 2px;
}

.newsletter-form button {
  padding: 0.5rem 1.25rem;
  border: none;
  border-radius: 0.25rem;
  background: var(--link-color);
  color: #fff;
  font-size: 0.9rem;
  cursor: pointer;
  white-space: nowrap;
}

.newsletter-form button:hover {
  opacity: 0.9;
}

@media (max-width: 576px) {
  .newsletter-form {
    flex-direction: column;
  }
}