/* Newsletter Signup Component
 * ==========================================================================
 * Custom Buttondown newsletter subscription form
 */

.newsletter-signup {
  max-width: var(--size-content-2);
  margin: var(--size-8) auto;
  padding: var(--size-6);
  background: var(--color-bg--surface);
  border: 1px solid var(--color-border--light);
  border-radius: var(--radius-3);
  text-align: center;
}

.newsletter-signup__form {
  max-width: 500px;
  margin: 0 auto;
}

.newsletter-signup__label {
  display: block;
  margin-bottom: var(--size-3);
  font-size: var(--font-size-small);
  color: var(--color-ink--muted);
}

.newsletter-signup__fields {
  display: flex;
  gap: 0;
  align-items: stretch;
}

.newsletter-signup__input {
  flex: 1;
  padding: 12px 16px;
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border);
  border-right: none;
  border-top-left-radius: var(--radius-full) !important;
  border-top-right-radius: 0 !important;
  border-bottom-right-radius: 0 !important;
  border-bottom-left-radius: var(--radius-full) !important;
  background: var(--color-bg--canvas);
  color: var(--color-ink);
  outline: none;
  transition: border-color 200ms ease;
}

.newsletter-signup__input::placeholder {
  color: var(--color-ink--muted);
  opacity: 0.6;
}

.newsletter-signup__input:focus {
  border-color: var(--color-primary);
  box-shadow: none;
}

.newsletter-signup__button {
  padding: 12px 24px;
  font-size: var(--font-size-base);
  font-weight: 500;
  border: 1px solid var(--color-primary);
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
  background: var(--color-primary);
  color: var(--color-ink--primary);
  cursor: pointer;
  white-space: nowrap;
  transition: all 200ms ease;
}

.newsletter-signup__button:hover {
  background: oklch(from var(--color-primary) calc(l * 1.08) c h);
  border-color: oklch(from var(--color-primary) calc(l * 1.08) c h);
  box-shadow: 0 1px 2px 0 oklch(0 0 0 / 0.3), 0 1px 3px 1px oklch(0 0 0 / 0.15);
}

.newsletter-signup__button:active {
  background: oklch(from var(--color-primary) calc(l * 0.92) c h);
  border-color: oklch(from var(--color-primary) calc(l * 0.92) c h);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .newsletter-signup {
    margin: var(--size-6) 0;
    padding: var(--size-4);
  }

  .newsletter-signup__form {
    max-width: 100%;
  }

  .newsletter-signup__input {
    font-size: var(--font-size-small);
  }

  .newsletter-signup__button {
    padding: 12px 16px;
    font-size: var(--font-size-small);
  }
}