/* Height Calculator Styles */
.calculator-form {
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
  background: #f9f9f9;
  border-radius: 8px;
}

.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
}

.height-inputs {
  display: flex;
  gap: 10px;
}

.height-inputs input {
  flex: 1;
}

.unit-toggle {
  display: flex;
  border: 1px solid #ddd;
  border-radius: 4px;
  overflow: hidden;
}

.unit-btn {
  flex: 1;
  padding: 10px;
  border: none;
  background: #fff;
  cursor: pointer;
  transition: background-color 0.2s;
}

.unit-btn.active {
  background: #007bff;
  color: white;
}

.calc-btn {
  width: 100%;
  padding: 12px;
  background: #28a745;
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 16px;
  cursor: pointer;
  margin-top: 10px;
}

.calc-btn:hover {
  background: #218838;
}

.error-msg {
  color: #dc3545;
  margin-top: 10px;
  font-weight: bold;
}

.result-section {
  margin-top: 20px;
  padding: 20px;
  background: #e9ecef;
  border-radius: 8px;
}

.result-value {
  font-size: 24px;
  font-weight: bold;
  color: #28a745;
  margin: 10px 0;
}

/* Grade calculator layout */
.grade-calculator {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.grade-calculator .card {
  background: #fff;
  border-radius: 18px;
  padding: 1.5rem;
  box-shadow: 0 20px 45px rgb(15 23 42 / 10%);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.section-header h3 {
  margin: 0;
  font-size: 1.1rem;
}

.mode-toggle {
  display: inline-flex;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.mode-btn {
  padding: 0.6rem 1.25rem;
  border: none;
  background: transparent;
  cursor: pointer;
  font-weight: 600;
  color: var(--muted-color);
}

.mode-btn.active {
  background: var(--accent-color);
  color: #fff;
}

.mode-description {
  color: var(--muted-color);
  margin: 0;
}

.actions {
  display: flex;
  gap: 0.5rem;
}

.ghost {
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  padding: 0.4rem 1rem;
  cursor: pointer;
  color: var(--muted-color);
}

.ghost.danger {
  border-color: #f87171;
  color: #dc2626;
}

.table-wrapper {
  overflow-x: auto;
}

.table-wrapper table {
  width: 100%;
  border-collapse: collapse;
}

.table-wrapper th,
.table-wrapper td {
  padding: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.table-wrapper input {
  width: 100%;
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

tr.invalid input {
  border-color: #f97316;
  background: #fff7ed;
}

.warning {
  background: #fff7ed;
  color: #c2410c;
  padding: 0.8rem 1rem;
  border-radius: 10px;
  margin-bottom: 1rem;
  border: 1px solid #fdba74;
}

.category-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.category-card {
  background: #f9fafb;
  border-radius: 14px;
  padding: 1rem;
  border: 1px solid var(--border-color);
}

.category-header {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.category-fields {
  display: flex;
  gap: 0.75rem;
}

.category-fields input {
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.target-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.target-grid input {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.25rem;
}

.result-card {
  border-radius: 16px;
  padding: 1.5rem;
  color: #fff;
}

.result-card.success {
  background: linear-gradient(135deg, #10b981, #059669);
}

.result-card.warning {
  background: linear-gradient(135deg, #f97316, #ea580c);
}

.result-card.danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
}

.result-card.info {
  background: linear-gradient(135deg, #6366f1, #4f46e5);
}

.result-label {
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.result-value {
  font-size: 2.5rem;
  font-weight: 700;
}

.result-badge {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  font-weight: 600;
}

.result-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  font-size: 0.9rem;
}

.result-list li {
  margin-bottom: 0.35rem;
  opacity: 0.9;
}

.category-breakdown {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.category-result-header {
  display: flex;
  justify-content: space-between;
}

.progress {
  height: 8px;
  background: #e5e7eb;
  border-radius: 999px;
  overflow: hidden;
  margin: 0.4rem 0;
}

.progress span {
  display: block;
  height: 100%;
  background: var(--accent-color);
}

.category-weight {
  font-size: 0.85rem;
  color: var(--muted-color);
}

.actions-bar {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.copy-status {
  font-size: 0.9rem;
  color: var(--muted-color);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.copy-status.visible {
  opacity: 1;
}

.muted {
  color: var(--muted-color);
}

@media (max-width: 640px) {
  .category-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .category-fields {
    width: 100%;
    flex-direction: column;
  }

  .actions-bar {
    flex-direction: column;
    align-items: stretch;
  }
}

.percentile-info,
.mid-parental-info {
  margin: 10px 0;
}

.info-text {
  margin-top: 15px;
  font-size: 14px;
  color: #666;
}

.info-text p {
  margin: 5px 0;
}

/* Mobile responsive */
@media (max-width: 480px) {
  .calculator-form {
    padding: 15px;
  }

  .height-inputs {
    flex-direction: column;
  }

  .result-value {
    font-size: 20px;
  }
}