/* Feed Value Calculator – isolated styles */

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: #222222;
  background-color: #f5f5f0;
  -webkit-font-smoothing: antialiased;
}

.page-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}

@media (min-width: 900px) {
  .page-wrap {
    max-width: 1120px;
    padding: 1.5rem 1.5rem 3rem;
  }
}

.hero {
  text-align: center;
  margin-bottom: 1.75rem;
}

.hero h1 {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
  font-weight: 700;
  color: #214d21;
  line-height: 1.2;
}

.hero .subtitle {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  color: #666666;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.hero .seo-intro {
  margin-top: 0.65rem;
}

.disclaimer {
  background: #ffffff;
  border: 1px solid #dddddd;
  border-left: 4px solid #2f6b2f;
  border-radius: 6px;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  color: #666666;
  text-align: left;
  max-width: 640px;
  margin: 1rem auto 0;
}

.card {
  background: #ffffff;
  border: 1px solid #dddddd;
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.card h2 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: #214d21;
}

.card h3 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  font-weight: 700;
  color: #214d21;
}

.calc-guide p {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: #444444;
  line-height: 1.6;
}

.calc-guide p:last-child {
  margin-bottom: 0;
}

.calc-guide h3 {
  margin: 1.25rem 0 0.5rem;
  font-size: 1rem;
  font-weight: 700;
  color: #214d21;
}

.calc-guide h3:first-child {
  margin-top: 0;
}

.calc-guide a {
  color: #2f6b2f;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.calc-guide a:hover {
  color: #214d21;
}

.feed-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .feed-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feed-card {
  background: #f9f9f7;
  border: 1px solid #dddddd;
  border-radius: 8px;
  padding: 1rem;
}

.feed-card__title {
  margin: 0 0 0.85rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: #214d21;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #eeeeee;
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 0.85rem;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: #222222;
  margin-bottom: 0.35rem;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.65rem 0.75rem;
  font-size: 1rem;
  border: 1px solid #dddddd;
  border-radius: 6px;
  background: #ffffff;
  color: #222222;
  min-height: 2.75rem;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: #2f6b2f;
  box-shadow: 0 0 0 2px rgba(47, 107, 47, 0.2);
}

.input-with-unit {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.65rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 6px;
  border: 2px solid transparent;
  cursor: pointer;
  font-family: inherit;
  transition: background-color 0.15s, border-color 0.15s;
  -webkit-tap-highlight-color: transparent;
}

.btn-primary {
  background: #234f2e;
  color: #ffffff;
  border-color: #234f2e;
  flex: 1 1 100%;
}

.btn-primary:hover {
  background: #2f6b2f;
  border-color: #2f6b2f;
}

.btn-neutral {
  background: #ffffff;
  color: #666666;
  border-color: #dddddd;
  flex: 1 1 auto;
}

.btn-neutral:hover {
  background: #f5f5f0;
}

.results-section {
  margin-top: 0.5rem;
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 -0.25rem;
  padding: 0 0.25rem;
}

.comparison-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.comparison-table th,
.comparison-table td {
  padding: 0.65rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid #eeeeee;
  vertical-align: top;
}

.comparison-table th {
  background: #f9f9f7;
  font-weight: 700;
  color: #214d21;
  white-space: nowrap;
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

.comparison-table .col-feed {
  font-weight: 600;
  color: #222222;
  min-width: 120px;
}

.comparison-table .na {
  color: #888888;
  font-style: italic;
}

.comparison-table .best-cell {
  background: #eef5ee;
  font-weight: 600;
}

.summary-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

@media (min-width: 540px) {
  .summary-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

.summary-card {
  background: #f9f9f7;
  border: 1px solid #dddddd;
  border-radius: 8px;
  padding: 1rem;
}

.summary-card.featured {
  border-color: #2f6b2f;
  background: #eef5ee;
}

.summary-card .label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: #666666;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.35rem;
}

.summary-card .value {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: #222222;
  line-height: 1.35;
}

.insight-note {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: #ffffff;
  border: 1px solid #dddddd;
  border-left: 4px solid #2f6b2f;
  border-radius: 6px;
  font-size: 0.9rem;
  color: #444444;
}

.warning-note {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: #fff8f0;
  border: 1px solid #e8d4b8;
  border-left: 4px solid #c47a2c;
  border-radius: 6px;
  font-size: 0.875rem;
  color: #555555;
}

.energy-hidden {
  display: none;
}

@media (max-width: 540px) {
  .hero h1 {
    font-size: 1.45rem;
  }

  .button-row .btn-primary {
    flex: 1 1 100%;
  }

  .input-with-unit {
    grid-template-columns: 1fr;
  }
}