.wcc-calculator {
  max-width: 960px;
  margin: 0 auto;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #1f2933;
}

.wcc-header h2 {
  margin: 0 0 0.25rem;
  font-size: 1.5rem;
}

.wcc-header p {
  margin: 0 0 1.5rem;
  color: #4b5a6b;
}

.wcc-warehouse-details {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.wcc-field {
  flex: 1 1 220px;
  min-width: 0;
}

.wcc-field label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.wcc-field-help {
  display: block;
  font-weight: 400;
  color: #6c7a89;
  font-size: 0.85rem;
}

.wcc-input,
.wcc-select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  border: 1px solid #c4ceda;
  font-size: 0.95rem;
  box-sizing: border-box;
}

.wcc-input:focus,
.wcc-select:focus {
  outline: 2px solid #2e5984;
  outline-offset: 1px;
  border-color: #2e5984;
}

.wcc-error {
  margin-top: 0.25rem;
  font-size: 0.85rem;
  color: #c74b4b;
}

.wcc-cost-accordions {
  border-top: 1px solid #dde3ec;
  margin-top: 1.5rem;
}

.wcc-accordion {
  border-bottom: 1px solid #dde3ec;
}

.wcc-accordion-header {
  width: 100%;
  background: #f7f9fb;
  border: none;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 0.95rem;
}

.wcc-accordion-header:focus-visible {
  outline: 2px solid #2e5984;
  outline-offset: -2px;
}

.wcc-accordion-title {
  font-weight: 600;
}

.wcc-accordion-subtotal {
  margin-left: auto;
  margin-right: 0.75rem;
  font-weight: 500;
  color: #2e5984;
}

.wcc-accordion-toggle-indicator {
  font-size: 1.1rem;
}

.wcc-accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  background: #ffffff;
}

.wcc-line-items {
  padding: 0.75rem 1rem 0.5rem;
}

.wcc-line-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.wcc-line-label {
  flex: 2 1 40%;
  font-size: 0.9rem;
}

.wcc-line-inputs {
  flex: 3 1 60%;
  display: flex;
  gap: 0.5rem;
}

.wcc-amount-wrapper {
  position: relative;
  flex: 1 1 60%;
}

.wcc-amount-prefix {
  position: absolute;
  left: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  color: #6c7a89;
  font-size: 0.9rem;
}

.wcc-amount-input {
  width: 100%;
  padding: 0.45rem 0.5rem 0.45rem 1.3rem;
  border-radius: 4px;
  border: 1px solid #c4ceda;
  font-size: 0.9rem;
  box-sizing: border-box;
}

.wcc-amount-input:focus {
  outline: 2px solid #2e5984;
  outline-offset: 1px;
  border-color: #2e5984;
}

.wcc-frequency-select {
  flex: 0 0 40%;
  padding: 0.45rem 0.5rem;
  border-radius: 4px;
  border: 1px solid #c4ceda;
  font-size: 0.9rem;
  box-sizing: border-box;
}

.wcc-frequency-select:focus {
  outline: 2px solid #2e5984;
  outline-offset: 1px;
  border-color: #2e5984;
}

.wcc-add-line-item {
  margin: 0.25rem 1rem 0.75rem;
  padding: 0.4rem 0.75rem;
  border-radius: 4px;
  border: 1px solid #2e5984;
  background: #ffffff;
  color: #2e5984;
  font-size: 0.85rem;
  cursor: pointer;
}

.wcc-add-line-item:hover {
  background: #eef3fa;
}

.wcc-actions {
  display: flex;
  justify-content: flex-start;
  gap: 0.75rem;
  margin: 1.5rem 0 1rem;
}

.wcc-button {
  border-radius: 4px;
  border: none;
  padding: 0.6rem 1.1rem;
  font-size: 0.95rem;
  cursor: pointer;
}

.wcc-button-primary {
  background: #2e5984;
  color: #ffffff;
}

.wcc-button-primary:disabled {
  background: #9fb4ca;
  cursor: not-allowed;
}

.wcc-button-secondary {
  background: #f0f3f8;
  color: #25313d;
  border: 1px solid #c4ceda;
}

.wcc-results {
  display: none;
  margin-top: 1.5rem;
  border-top: 1px solid #dde3ec;
  padding-top: 1.25rem;
}

.wcc-results-visible {
  display: block;
}

.wcc-summary-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.wcc-summary-card {
  background: #f7f9fb;
  border-radius: 6px;
  padding: 0.75rem 1rem;
}

.wcc-summary-label {
  font-size: 0.85rem;
  color: #6c7a89;
}

.wcc-summary-value {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0.25rem 0;
}

.wcc-summary-subtitle {
  font-size: 0.85rem;
  color: #6c7a89;
}

.wcc-breakdown-table-wrapper {
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.wcc-breakdown-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.wcc-breakdown-table th,
.wcc-breakdown-table td {
  padding: 0.5rem 0.5rem;
  text-align: left;
  border-bottom: 1px solid #e0e6ef;
}

.wcc-breakdown-table thead th {
  background: #f0f3f8;
  font-weight: 600;
}

.wcc-breakdown-table tfoot th {
  font-weight: 600;
}

.wcc-chart-section {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.wcc-chart-section canvas {
  max-width: 320px;
  height: auto;
}

.wcc-chart-legend {
  flex: 1 1 200px;
  font-size: 0.9rem;
}

.wcc-legend-item {
  display: flex;
  align-items: center;
  margin-bottom: 0.3rem;
}

.wcc-legend-swatch {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  margin-right: 0.4rem;
}

.wcc-pdf-actions {
  margin-top: 0.5rem;
}

.wcc-seo-content {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid #dde3ec;
}

.wcc-seo-content h2 {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
}

.wcc-seo-content h3 {
  margin: 1.25rem 0 0.5rem;
  font-size: 1.05rem;
}

.wcc-seo-content h4 {
  margin: 1rem 0 0.35rem;
  font-size: 0.98rem;
}

.wcc-seo-content p {
  margin: 0 0 0.65rem;
  font-size: 0.9rem;
  color: #4b5a6b;
}

.wcc-seo-content a {
  color: #2e5984;
  text-decoration: underline;
}

.wcc-faq {
  margin-top: 2rem;
}

.wcc-faq h3 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
}

.wcc-faq-item {
  margin-bottom: 1rem;
}

.wcc-faq-question {
  margin: 0 0 0.25rem;
  font-size: 0.98rem;
  font-weight: 600;
}

.wcc-faq-answer {
  margin: 0;
  font-size: 0.9rem;
  color: #4b5a6b;
}

@media (max-width: 768px) {
  .wcc-warehouse-details {
    flex-direction: column;
  }

  .wcc-line-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .wcc-line-inputs {
    width: 100%;
  }

  .wcc-summary-cards {
    grid-template-columns: 1fr;
  }

  .wcc-chart-section {
    flex-direction: column;
    align-items: flex-start;
  }
}