.calculator-container {
  max-width: 360px;
  padding: 20px;
  border: 1px solid #ccc;
  border-radius: 8px;
  background: #f9f9f9;
  box-sizing: border-box;
  margin: 0 auto;
}

.calculator-container h2 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 18px;
}

/* Optional intro text below calculator title */
.calculator-intro {
  font-size: 14px;
  color: #555555;
  margin-bottom: 10px;
}

/* Generic input groups (both .form-group and .input-group) */
.form-group,
.input-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 12px;
}

.form-group label,
.input-group label {
  display: block;
  font-size: 14px;
  margin-bottom: 4px;
}

.form-group input[type="text"],
.input-group input[type="text"] {
  width: 100%;
  padding: 6px 8px;
  font-size: 14px;
  border-radius: 4px;
  border: 1px solid #bbb;
  box-sizing: border-box;
}

.form-group input[type="text"]:focus,
.input-group input[type="text"]:focus {
  outline: none;
  border-color: #0077cc;
  box-shadow: 0 0 0 1px rgba(0, 119, 204, 0.15);
}

#calculateButton {
  width: 100%;
  padding: 10px;
  margin-top: 8px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 4px;
  border: none;
  cursor: pointer;
}

#result {
  margin-top: 14px;
  padding: 10px;
  border-radius: 6px;
  background: #ffffff;
  border: 1px solid #e0e0e0;
  font-size: 14px;
}

#result.error {
  color: #b00020;
  font-weight: 600;
}

#result.success {
  color: #0b4f2a;
}

.share-buttons {
  margin-top: 12px;
}

.share-buttons button {
  width: 100%;
  padding: 9px;
  font-size: 14px;
  border-radius: 4px;
  border: 1px solid #007f3b;
  background-color: #00a651;
  color: #ffffff;
  cursor: pointer;
}

/* Related category tiles */
.related-card {
  display: block;
  text-decoration: none;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 10px;
  background: #ffffff;
  box-sizing: border-box;
  height: 100%;
}

.related-title {
  font-weight: bold;
  margin: 0 0 4px;
  font-size: 14px;
}

.related-desc {
  font-size: 13px;
  color: #555555;
  margin: 0;
}

/* SEO section */
.seo-section {
  font-size: 14px;
  line-height: 1.6;
}

.seo-section h2 {
  margin-top: 0;
  font-size: 18px;
}

.seo-section h3 {
  font-size: 15px;
  margin-top: 14px;
  margin-bottom: 6px;
}

.seo-section p {
  margin-bottom: 8px;
}

.seo-section ul {
  padding-left: 18px;
  margin-bottom: 10px;
}

.last-updated {
  margin-top: 12px;
  font-size: 12px;
  color: #777777;
}

/* Ad and affiliate placeholders – shared look */
.ad-block {
  border-radius: 8px;
  border: 1px dashed #d0d0d0;
  padding: 8px;
  box-sizing: border-box;
}

.ad-placeholder-img {
  width: 100%;
  height: 80px;
  border-radius: 6px;
  border: 1px solid #e0e0e0;
  background: repeating-linear-gradient(
    45deg,
    #f5f5f5,
    #f5f5f5 6px,
    #e9e9e9 6px,
    #e9e9e9 12px
  );
}

/* Text-based affiliate tile (canonical: 300px tall, centered, override-safe) */
.ad-block a.affiliate-link {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
  text-decoration: none;
  color: inherit;
  width: 100% !important;
  height: 100% !important;
  min-height: 300px !important;
  padding: 18px !important;
  gap: 16px !important;
  border-radius: 12px;
  box-sizing: border-box;
}

.ad-block a.affiliate-link > * {
  display: block !important;
  width: 100% !important;
  text-align: center !important;
}

.ad-block a.affiliate-link .affiliate-label {
  font-weight: 900;
  font-size: 20px;
  line-height: 1.2;
  margin: 0;
  color: #111111;
}

.ad-block a.affiliate-link .affiliate-copy {
  margin: 0;
  font-size: 14px;
  line-height: 1.4;
  color: #666666;
  max-width: 320px;
}

.ad-block a.affiliate-link .affiliate-cta {
  margin-top: 12px;
  font-weight: 600;
  font-size: 14px;
  text-decoration: underline;
  color: #222222;
}

.ad-block a.affiliate-link:hover {
  filter: brightness(0.98);
}

/* Fallback: ONLY when text affiliate HTML regresses to sibling elements (no .affiliate-link wrapper) */
.ad-block:has(.affiliate-label):not(:has(a.affiliate-link)),
.ad-block:has(.affiliate-copy):not(:has(a.affiliate-link)),
.ad-block:has(.affiliate-cta):not(:has(a.affiliate-link)) {
  width: 300px !important;
  height: 300px !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
  padding: 18px !important;
  box-sizing: border-box !important;
  gap: 16px !important;
}

.ad-block:has(.affiliate-label):not(:has(a.affiliate-link)) .affiliate-label,
.ad-block:has(.affiliate-copy):not(:has(a.affiliate-link)) .affiliate-copy,
.ad-block:has(.affiliate-cta):not(:has(a.affiliate-link)) .affiliate-cta {
  width: 100% !important;
  text-align: center !important;
  margin: 0 !important;
}

.ad-block:has(.affiliate-label):not(:has(a.affiliate-link)) .affiliate-label {
  font-weight: 900 !important;
  font-size: 20px !important;
  color: #111111 !important;
}

.ad-block:has(.affiliate-copy):not(:has(a.affiliate-link)) .affiliate-copy {
  font-size: 14px !important;
  line-height: 1.4 !important;
  color: #666666 !important;
  max-width: 320px;
}

.ad-block:has(.affiliate-cta):not(:has(a.affiliate-link)) .affiliate-cta {
  margin-top: 12px !important;
  font-weight: 600 !important;
  text-decoration: underline !important;
  color: #222222 !important;
}

/* Uniform book-cover rendering (max 300×300 visual footprint) */
.ad-block img {
  max-width: 300px;
  max-height: 300px;
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
  margin: 0 auto;
  border-radius: 6px;
}

/* Breadcrumbs – force same look everywhere */
.breadcrumbs {
  font-size: 13px;
  margin-bottom: 10px;
}

.breadcrumbs a {
  text-decoration: none;
}

/* Basic mobile tweak */
@media (max-width: 768px) {
  .calculator-container {
    max-width: 100%;
  }
}

/* Calculator-specific */
.hidden {
  display: none;
}

.form-group select {
  width: 100%;
  padding: 6px 8px;
  font-size: 14px;
  border-radius: 4px;
  border: 1px solid #bbb;
  box-sizing: border-box;
  background: #ffffff;
}

.form-group select:focus {
  outline: none;
  border-color: #0077cc;
  box-shadow: 0 0 0 1px rgba(0, 119, 204, 0.15);
}