:root {
  --wsc-color-primary: #4f46e5;
  --wsc-color-primary-dark: #4338ca;
  --wsc-color-secondary: #1f2937;
  --wsc-color-secondary-dark: #111827;
  --wsc-color-save: #16a34a;
  --wsc-color-save-dark: #15803d;
  --wsc-color-text-light: #f8fafc;
  --wsc-color-text-medium: #64748b;
  --wsc-color-text-dark: #1e293b;
  --wsc-color-bg-light: #f1f5f9;
  --wsc-color-bg-white: #ffffff;
  --wsc-color-border: #e2e8f0;
  --wsc-border-radius: 0.75rem;
  --wsc-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

.wsc-font-sans {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  color: var(--wsc-color-text-dark);
}

#wsc-container {
  max-width: 1290px;
  margin-left: auto;
  margin-right: auto;
}

.wsc-app-wrapper {
  padding: 0;
}

.wsc-calculator-card {
  background-color: var(--wsc-color-bg-white);
  border-radius: var(--wsc-border-radius);
  box-shadow: var(--wsc-shadow);
  overflow: hidden;
  margin-top: 2.5rem;
}

.wsc-form-section {
  padding: 2rem;
}

@media (min-width: 640px) {
  .wsc-form-section {
    padding: 2.5rem;
  }
}

.wsc-results-section {
  background-color: #f8fafc;
  padding: 2rem;
  border-top: 1px solid var(--wsc-color-border);
}

@media (min-width: 640px) {
  .wsc-results-section {
    padding: 2.5rem;
  }
}

.wsc-form-header,
.wsc-results-header {
  margin-bottom: 2rem;
}

.wsc-section-title {
  font-size: 1.5rem;
  line-height: 2rem;
  font-weight: 600;
}

.wsc-section-subtitle {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  line-height: 1.25rem;
  color: var(--wsc-color-text-medium);
}

.wsc-input-group {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.wsc-label {
  display: flex;
  align-items: center;
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.wsc-slider-value {
  font-weight: 700;
  color: var(--wsc-color-primary);
  margin-left: 0.375rem;
}

.wsc-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 0.5rem;
  background-color: var(--wsc-color-bg-light);
  border-radius: 9999px;
  cursor: pointer;
  accent-color: var(--wsc-color-primary);
}

.wsc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 1.25rem;
  height: 1.25rem;
  background-color: var(--wsc-color-primary);
  border-radius: 9999px;
  border: none;
}

.wsc-slider::-moz-range-thumb {
  width: 1.25rem;
  height: 1.25rem;
  background-color: var(--wsc-color-primary);
  border-radius: 9999px;
  border: none;
}

.wsc-bordered-group {
  padding: 1rem;
  border: 1px solid var(--wsc-color-border);
  border-radius: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.wsc-input-wrapper {
  position: relative;
  border-radius: 0.375rem;
}

.wsc-input {
  display: block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid #cbd5e1;
  border-radius: 0.375rem;
  box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.wsc-input:focus {
  outline: none;
  border-color: var(--wsc-color-primary);
  box-shadow: 0 0 0 2px var(--wsc-color-primary-dark);
}

.wsc-input-unit {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  padding-right: 0.75rem;
  display: flex;
  align-items: center;
  pointer-events: none;
  color: var(--wsc-color-text-medium);
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.wsc-unit-selector {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
  border-radius: 0.5rem;
  background-color: var(--wsc-color-bg-light);
  padding: 0.25rem;
  width: 100%;
}

@media (min-width: 640px) {
  .wsc-unit-selector {
    width: 66.666667%;
  }
}

.wsc-unit-button {
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 500;
  border-radius: 0.375rem;
  transition: color 0.2s, background-color 0.2s;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--wsc-color-text-medium);
}
.wsc-unit-button:hover {
  background-color: #e2e8f0;
}

.wsc-unit-button.wsc-active {
  background-color: var(--wsc-color-bg-white);
  color: var(--wsc-color-primary);
  box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
}

.wsc-info-toggle {
  font-size: 0.875rem;
  line-height: 1.25rem;
  color: var(--wsc-color-primary);
  font-weight: 500;
  display: flex;
  align-items: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.wsc-info-toggle:hover {
  color: var(--wsc-color-primary-dark);
}

.wsc-info-toggle-icon {
  height: 1.25rem;
  width: 1.25rem;
  margin-left: 0.25rem;
  transition: transform 0.2s;
}

.wsc-info-toggle[aria-expanded="true"] .wsc-info-toggle-icon {
  transform: rotate(180deg);
}

.wsc-info-content {
  display: none;
  margin-top: 1rem;
  background-color: var(--wsc-color-bg-light);
  padding: 1rem;
  border-radius: 0.5rem;
  border: 1px solid var(--wsc-color-border);
}

.wsc-info-content.wsc-show {
  display: block;
}

.wsc-info-title {
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.wsc-info-table {
  text-align: center;
  font-size: 0.875rem;
  line-height: 1.25rem;
}
.wsc-info-table-header {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--wsc-color-text-medium);
  letter-spacing: 0.05em;
  padding: 0 0.5rem 0.5rem;
}
.wsc-info-table-header div:first-child { text-align: left; }

.wsc-info-table-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  padding: 0.5rem;
  border-radius: 0.375rem;
  background-color: var(--wsc-color-bg-white);
  border: 1px solid var(--wsc-color-border);
  margin-top: 0.5rem;
  align-items: center;
}
.wsc-info-table-row div:first-child { text-align: left; font-weight: 500; }

/* Tooltip */
.wsc-has-tooltip {
  position: relative;
}

.wsc-tooltip-trigger {
  position: relative;
  display: inline-flex;
  margin-left: 0.375rem;
}

.wsc-tooltip-icon {
  height: 1rem;
  width: 1rem;
  color: #94a3b8;
  cursor: pointer;
}

.wsc-tooltip-text {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-bottom: 0.5rem;
  width: 256px;
  background-color: var(--wsc-color-secondary);
  color: var(--wsc-color-text-light);
  font-size: 0.75rem;
  line-height: 1rem;
  border-radius: 0.25rem;
  padding: 0.25rem 0.5rem;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  z-index: 10;
}

.wsc-tooltip-trigger:hover .wsc-tooltip-text {
  opacity: 1;
}

/* Actions */
.wsc-form-actions {
  display: flex;
  justify-content: flex-end;
  padding-top: 1rem;
  border-top: 1px solid var(--wsc-color-border);
}

.wsc-results-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--wsc-color-border);
  margin-top: 2rem;
}

@media (min-width: 640px) {
  .wsc-results-actions {
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
  }
}


.wsc-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 0.75rem 1.5rem;
  border: 1px solid transparent;
  font-size: 1rem;
  line-height: 1.5rem;
  font-weight: 500;
  border-radius: 0.375rem;
  box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.wsc-button:disabled {
  background-color: #d1d5db;
  cursor: not-allowed;
  color: #6b7280;
}
.wsc-button-icon {
  margin-right: 0.75rem;
  height: 1.25rem;
  width: 1.25rem;
}

.wsc-button-primary {
  color: var(--wsc-color-text-light);
  background-color: var(--wsc-color-primary);
}
.wsc-button-primary:hover:not(:disabled) { background-color: var(--wsc-color-primary-dark); }

.wsc-button-secondary {
  color: var(--wsc-color-text-dark);
  background-color: var(--wsc-color-bg-white);
  border-color: #d1d5db;
}
.wsc-button-secondary:hover:not(:disabled) { background-color: #f9fafb; }

.wsc-button-save {
  color: var(--wsc-color-text-light);
  background-color: var(--wsc-color-save);
}
.wsc-button-save:hover:not(:disabled) { background-color: var(--wsc-color-save-dark); }

.wsc-button-print {
  color: var(--wsc-color-text-light);
  background-color: var(--wsc-color-secondary);
}
.wsc-button-print:hover:not(:disabled) { background-color: var(--wsc-color-secondary-dark); }

/* Results */
.wsc-results-placeholder {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 16rem;
  background-color: var(--wsc-color-bg-light);
  border-radius: 0.5rem;
  color: var(--wsc-color-text-medium);
}
.wsc-results-content {
  display: none;
  margin-top: 1rem;
  flex-direction: column;
  gap: 1.5rem;
}
.wsc-results-content.wsc-show {
  display: flex;
}

.wsc-results-summary {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 640px) {
  .wsc-results-summary {
    grid-template-columns: repeat(2, 1fr);
  }
}

.wsc-result-card {
  padding: 1.5rem;
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  text-align: center;
}
.wsc-result-card-primary {
  background-color: var(--wsc-color-primary);
  color: var(--wsc-color-text-light);
}
.wsc-result-card-secondary {
  background-color: var(--wsc-color-secondary);
  color: var(--wsc-color-text-light);
}

.wsc-result-label {
  font-size: 0.875rem;
  line-height: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #e0e7ff;
}
.wsc-result-card-secondary .wsc-result-label { color: #d1d5db; }
.wsc-result-label-group { display: flex; align-items: center; justify-content: center; }

.wsc-salt-icon {
  height: 1.5rem;
  width: 1.5rem;
  margin-right: 0.5rem;
  color: #9ca3af;
}

.wsc-result-value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  font-size: 2.25rem;
  line-height: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.wsc-result-unit {
  font-size: 1.25rem;
  line-height: 1.75rem;
  font-weight: 500;
  margin-left: 0.5rem;
  color: #c7d2fe;
}
.wsc-result-card-secondary .wsc-result-unit { color: #9ca3af; }

.wsc-breakdown {
  padding: 1rem;
  border: 1px solid var(--wsc-color-border);
  border-radius: 0.5rem;
  font-size: 0.875rem;
  line-height: 1.25rem;
}
.wsc-breakdown p {
  color: var(--wsc-color-text-medium);
  margin-bottom: 0.75rem;
}
.wsc-breakdown p:last-child { margin-bottom: 0; }
.wsc-breakdown strong {
  color: var(--wsc-color-text-dark);
}
.wsc-breakdown-title {
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.wsc-breakdown strong.wsc-highlight {
  color: var(--wsc-color-primary);
}

.wsc-chart-container {
  margin-top: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  height: 12rem;
  padding: 1rem;
  background-color: var(--wsc-color-bg-light);
  border-radius: 0.5rem;
  border: 1px solid var(--wsc-color-border);
  gap: 0.5rem;
}

.wsc-bar-wrapper {
  flex: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  position: relative;
}

.wsc-bar-tooltip {
  position: absolute;
  bottom: 100%;
  margin-bottom: 0.5rem;
  background-color: var(--wsc-color-secondary);
  color: var(--wsc-color-text-light);
  font-size: 0.75rem;
  border-radius: 0.25rem;
  padding: 0.25rem 0.5rem;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  z-index: 10;
  white-space: nowrap;
}

.wsc-bar-wrapper:hover .wsc-bar-tooltip {
  opacity: 1;
}

.wsc-bar {
  width: 100%;
  border-top-left-radius: 2px;
  border-top-right-radius: 2px;
  transition: background-color 0.3s;
  background-color: #cbd5e1;
}
.wsc-bar.recommended {
  background-color: var(--wsc-color-primary);
}
.wsc-bar-wrapper:hover .wsc-bar:not(.recommended) {
  background-color: #a5b4fc;
}
.wsc-bar-label {
  font-size: 0.75rem;
  line-height: 1rem;
  margin-top: 0.5rem;
  font-weight: 500;
  color: var(--wsc-color-text-medium);
}

.wsc-footer {
  text-align: center;
  padding: 1.5rem 0;
  font-size: 0.875rem;
  line-height: 1.25rem;
  color: var(--wsc-color-text-medium);
}

@media print {
  body * {
    visibility: hidden;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
  #print-section, #print-section * {
    visibility: visible;
  }
  #print-section {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    padding: 1rem;
    margin: 0;
    border: none;
    background-color: #fff;
  }
  #print-section .wsc-results-actions {
    display: none;
  }
  #print-section .wsc-result-card-primary, 
  #print-section .wsc-result-card-secondary {
    background-color: #f0f0f0 !important;
    color: #000 !important;
    border: 1px solid #ccc;
  }
  #print-section .wsc-result-unit,
  #print-section .wsc-result-label {
    color: #333 !important;
  }
  #print-section * {
    color: #000 !important;
  }
  #print-section .wsc-bar {
    background-color: #ccc !important;
  }
  #print-section .wsc-bar.recommended {
    background-color: #333 !important;
  }
  #print-section .wsc-chart-container {
    background-color: #fff !important;
  }
}