:root {
  --rpe-primary-color: #06b6d4;
  --rpe-primary-color-dark: #0891b2;
  --rpe-bg-card: #ffffff;
  --rpe-bg-app: transparent;
  --rpe-bg-input: #f8fafc;
  --rpe-border-color: #e2e8f0;
  --rpe-text-primary: #1f2937;
  --rpe-text-secondary: #4b5563;
  --rpe-text-light: #6b7280;
  --rpe-text-accent: var(--rpe-primary-color);
  --rpe-white: #fff;
  --rpe-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}
#rpe-calculator-embed {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  color: var(--rpe-text-primary);
  background-color: var(--rpe-bg-app);
  max-width: 1290px;
  margin: 0 auto;
}
#rpe-calculator-embed .rpe-subtitle,
#rpe-calculator-embed .rpe-footer {
  text-align: center;
  color: var(--rpe-text-light);
  margin: 1rem 0 2rem 0;
}
#rpe-calculator-embed .rpe-main-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
#rpe-calculator-embed .rpe-card {
  background-color: var(--rpe-bg-card);
  border-radius: 1rem;
  border: 1px solid var(--rpe-border-color);
  box-shadow: var(--rpe-shadow);
  padding: 1.5rem;
}
#rpe-calculator-embed .rpe-input-group {
  margin-bottom: 1.25rem;
}
#rpe-calculator-embed .rpe-label {
  display: block;
  font-weight: 500;
  color: var(--rpe-text-secondary);
  margin-bottom: 0.5rem;
}
#rpe-calculator-embed .rpe-input,
#rpe-calculator-embed .rpe-select {
  width: 100%;
  background-color: var(--rpe-bg-input);
  border: 1px solid var(--rpe-border-color);
  border-radius: 0.5rem;
  padding: 0.75rem;
  font-size: 1rem;
  color: var(--rpe-text-primary);
  -moz-appearance: textfield;
}
#rpe-calculator-embed .rpe-input::-webkit-outer-spin-button,
#rpe-calculator-embed .rpe-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
#rpe-calculator-embed .rpe-input-wrapper {
  position: relative;
}
#rpe-calculator-embed .rpe-input-unit {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--rpe-text-light);
}
#rpe-calculator-embed .rpe-unit-toggle {
  display: flex;
  background-color: var(--rpe-bg-input);
  border-radius: 9999px;
  padding: 0.25rem;
  margin-bottom: 1rem;
}
#rpe-calculator-embed .rpe-unit-toggle button {
  width: 100%;
  padding: 0.5rem;
  border-radius: 9999px;
  font-weight: 600;
  border: none;
  background-color: transparent;
  cursor: pointer;
  color: var(--rpe-text-light);
  transition: all 0.2s ease-in-out;
}
#rpe-calculator-embed .rpe-unit-toggle button.active {
  background-color: var(--rpe-primary-color);
  color: var(--rpe-white);
}
#rpe-calculator-embed .rpe-selector-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}
#rpe-calculator-embed .rpe-selector-grid button {
  padding: 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--rpe-border-color);
  background-color: var(--rpe-bg-input);
  color: var(--rpe-text-secondary);
  cursor: pointer;
  transition: all 0.2s ease-in-out;
}
#rpe-calculator-embed .rpe-selector-grid button:hover {
    background-color: #e2e8f0;
}
#rpe-calculator-embed .rpe-selector-grid button.active {
  background-color: var(--rpe-primary-color);
  color: var(--rpe-white);
  border-color: var(--rpe-primary-color);
}
#rpe-calculator-embed .rpe-results-display {
  text-align: center;
}
#rpe-calculator-embed .rpe-results-label {
  color: var(--rpe-text-secondary);
  font-size: 1.125rem;
}
#rpe-calculator-embed .rpe-results-value {
  font-size: 3rem;
  font-weight: 800;
  color: var(--rpe-text-accent);
  margin: 0.5rem 0;
}
#rpe-calculator-embed .rpe-results-unit {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--rpe-text-secondary);
}
#rpe-calculator-embed .rpe-results-actions {
  margin-top: 1.5rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
}
#rpe-calculator-embed .rpe-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--rpe-border-color);
  background-color: var(--rpe-bg-input);
  color: var(--rpe-text-secondary);
  font-weight: 500;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
}
#rpe-calculator-embed .rpe-action-btn:hover {
  background-color: #e2e8f0;
  border-color: #d1d5db;
}
#rpe-calculator-embed .rpe-action-btn svg {
  width: 1rem;
  height: 1rem;
}
#rpe-calculator-embed .rpe-card-header {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
#rpe-calculator-embed .rpe-chart-container {
  height: 24rem;
  width: 100%;
}
#rpe-calculator-embed .rpe-chart {
  display: flex;
  justify-content: space-around;
  align-items: flex-end;
  height: calc(100% - 2rem);
  width: 100%;
  border-left: 1px solid var(--rpe-border-color);
  border-bottom: 1px solid var(--rpe-border-color);
  position: relative;
}
#rpe-calculator-embed .rpe-chart-bar-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    position: relative;
}
#rpe-calculator-embed .rpe-chart-bar {
  width: 60%;
  background-color: var(--rpe-primary-color);
  border-radius: 4px 4px 0 0;
  transition: height 0.3s ease-out;
}
 #rpe-calculator-embed .rpe-chart-bar-wrapper:hover .rpe-chart-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-0.5rem);
}
#rpe-calculator-embed .rpe-chart-label {
  font-size: 0.75rem;
  color: var(--rpe-text-light);
  margin-top: 0.25rem;
}
 #rpe-calculator-embed .rpe-chart-tooltip {
  position: absolute;
  bottom: 105%;
  background-color: var(--rpe-text-primary);
  color: var(--rpe-white);
  padding: 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease-in-out;
  pointer-events: none;
}
#rpe-calculator-embed .rpe-table {
  width: 100%;
  border-collapse: collapse;
}
#rpe-calculator-embed .rpe-table th, #rpe-calculator-embed .rpe-table td {
  padding: 0.75rem;
  text-align: left;
}
#rpe-calculator-embed .rpe-table thead {
  border-bottom: 2px solid var(--rpe-border-color);
}
#rpe-calculator-embed .rpe-table th {
  color: var(--rpe-text-light);
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 600;
}
#rpe-calculator-embed .rpe-table tbody tr {
  border-bottom: 1px solid var(--rpe-border-color);
}
#rpe-calculator-embed .rpe-table tbody tr:last-child {
  border-bottom: none;
}
#rpe-calculator-embed .rpe-table .percentage-value {
  color: var(--rpe-text-accent);
  font-weight: 700;
}
#rpe-calculator-embed .rpe-table .weight-value {
  font-family: monospace;
  font-size: 1.125rem;
  text-align: right;
}
#rpe-calculator-embed .rpe-guide-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
#rpe-calculator-embed .rpe-guide-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem 0;
  border-bottom: 1px solid var(--rpe-border-color);
}
#rpe-calculator-embed .rpe-guide-item:last-child {
    border-bottom: none;
}
#rpe-calculator-embed .rpe-guide-rpe {
  flex-shrink: 0;
  text-align: center;
}
#rpe-calculator-embed .rpe-guide-rpe .rpe-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--rpe-text-accent);
}
#rpe-calculator-embed .rpe-guide-rpe .rpe-label {
  font-size: 0.75rem;
  color: var(--rpe-text-light);
  margin-bottom: 0;
}
#rpe-calculator-embed .rpe-guide-details .name {
  font-weight: 600;
}
#rpe-calculator-embed .rpe-guide-details .description {
  font-size: 0.875rem;
  color: var(--rpe-text-secondary);
}

@media print {
  body * {
    visibility: hidden;
  }
  #rpe-calculator-embed, #rpe-calculator-embed * {
    visibility: visible;
  }
  #rpe-calculator-embed {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    max-width: 100% !important;
    box-shadow: none;
    border: none;
  }
  .rpe-form-card,
  .rpe-results-actions,
  .rpe-footer,
  .rpe-subtitle {
    display: none !important;
  }
  .rpe-card {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
    page-break-inside: avoid;
    padding: 1rem;
  }
  .rpe-main-content {
      gap: 1rem;
  }
}