/* Scoped styles - only affects calculator */
#six-sigma-calculator * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

#six-sigma-calculator {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  max-width: 1200px;
  margin: 0 auto;
}

#six-sigma-calculator .container {
  max-width: 1200px;
  margin: 0 auto;
}

#six-sigma-calculator .header {
  background: linear-gradient(135deg, #2563eb 0%, #4f46e5 100%);
  border-radius: 12px;
  padding: 30px;
  color: white;
  margin-bottom: 24px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

#six-sigma-calculator .header-content {
  display: flex;
  align-items: center;
  gap: 20px;
}

#six-sigma-calculator .header-icon {
  background: white;
  padding: 15px;
  border-radius: 10px;
  font-size: 40px;
}

#six-sigma-calculator .header-text h1 {
  font-size: 32px;
  margin-bottom: 8px;
}

#six-sigma-calculator .header-text p {
  opacity: 0.9;
  font-size: 14px;
}

#six-sigma-calculator .tabs {
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  margin-bottom: 24px;
  overflow: hidden;
}

#six-sigma-calculator .tab-buttons {
  display: flex;
  border-bottom: 2px solid #e5e7eb;
}

#six-sigma-calculator .tab-button {
  flex: 1;
  padding: 16px;
  background: #f9fafb;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.3s;
  color: #6b7280;
}

#six-sigma-calculator .tab-button:hover {
  background: #f3f4f6;
}

#six-sigma-calculator .tab-button.active {
  background: #2563eb;
  color: white;
  border-bottom: 4px solid #1e40af;
}

#six-sigma-calculator .tab-content {
  display: none;
  padding: 24px;
}

#six-sigma-calculator .tab-content.active {
  display: block;
}

#six-sigma-calculator .card {
  background: white;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

#six-sigma-calculator .card h2 {
  font-size: 24px;
  margin-bottom: 16px;
  color: #1f2937;
}

#six-sigma-calculator .card h3 {
  font-size: 18px;
  margin-bottom: 12px;
  color: #374151;
}

#six-sigma-calculator .info-box {
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
  border-left: 4px solid;
}

#six-sigma-calculator .info-box.blue {
  background: #eff6ff;
  border-color: #3b82f6;
}

#six-sigma-calculator .info-box.green {
  background: #f0fdf4;
  border-color: #10b981;
}

#six-sigma-calculator .info-box.purple {
  background: #faf5ff;
  border-color: #a855f7;
}

#six-sigma-calculator .info-box h4 {
  color: #1f2937;
  font-weight: bold;
  margin-bottom: 8px;
}

#six-sigma-calculator .form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

#six-sigma-calculator .form-group {
  margin-bottom: 16px;
}

#six-sigma-calculator .form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 6px;
  color: #374151;
  font-size: 14px;
}

#six-sigma-calculator .form-group input,
#six-sigma-calculator .form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
}

#six-sigma-calculator .form-group input:focus,
#six-sigma-calculator .form-group textarea:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

#six-sigma-calculator .form-group textarea {
  font-family: 'Courier New', monospace;
  resize: vertical;
}

#six-sigma-calculator .button {
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

#six-sigma-calculator .button-primary {
  background: #2563eb;
  color: white;
}

#six-sigma-calculator .button-primary:hover {
  background: #1d4ed8;
}

#six-sigma-calculator .button-success {
  background: #10b981;
  color: white;
}

#six-sigma-calculator .button-success:hover {
  background: #059669;
}

#six-sigma-calculator .button-danger {
  background: #ef4444;
  color: white;
}

#six-sigma-calculator .button-danger:hover {
  background: #dc2626;
}

#six-sigma-calculator .button-gray {
  background: #6b7280;
  color: white;
}

#six-sigma-calculator .button-gray:hover {
  background: #4b5563;
}

#six-sigma-calculator .button-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

#six-sigma-calculator .sample-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

#six-sigma-calculator .sample-card {
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.3s;
}

#six-sigma-calculator .sample-card:hover {
  border-color: #3b82f6;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

#six-sigma-calculator .sample-card.selected {
  border-color: #2563eb;
  background: #eff6ff;
}

#six-sigma-calculator .sample-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
  color: #1f2937;
}

#six-sigma-calculator .sample-card p {
  font-size: 13px;
  color: #6b7280;
  margin-bottom: 12px;
}

#six-sigma-calculator .sample-stats {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
}

#six-sigma-calculator .sample-stat {
  display: flex;
  justify-content: space-between;
}

#six-sigma-calculator .metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

#six-sigma-calculator .metric-card {
  padding: 16px;
  border-radius: 8px;
  border: 2px solid;
}

#six-sigma-calculator .metric-card.red {
  background: #fef2f2;
  border-color: #fecaca;
}

#six-sigma-calculator .metric-card.orange {
  background: #fff7ed;
  border-color: #fed7aa;
}

#six-sigma-calculator .metric-card.green {
  background: #f0fdf4;
  border-color: #bbf7d0;
}

#six-sigma-calculator .metric-card.blue {
  background: #eff6ff;
  border-color: #bfdbfe;
}

#six-sigma-calculator .metric-card.indigo {
  background: #eef2ff;
  border-color: #c7d2fe;
}

#six-sigma-calculator .metric-card.purple {
  background: #faf5ff;
  border-color: #e9d5ff;
}

#six-sigma-calculator .metric-label {
  font-size: 12px;
  color: #6b7280;
  margin-bottom: 4px;
}

#six-sigma-calculator .metric-value {
  font-size: 28px;
  font-weight: bold;
  color: #1f2937;
}

#six-sigma-calculator .step-row {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

#six-sigma-calculator .step-row input {
  padding: 8px 12px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 14px;
}

#six-sigma-calculator .step-row input:first-child {
  flex: 1;
}

#six-sigma-calculator .step-row input:nth-child(2) {
  width: 120px;
}

#six-sigma-calculator .export-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-bottom: 16px;
}

#six-sigma-calculator .alert {
  padding: 16px;
  border-radius: 8px;
  margin-top: 16px;
  border: 2px solid;
}

#six-sigma-calculator .alert.success {
  background: #f0fdf4;
  border-color: #86efac;
  color: #166534;
}

#six-sigma-calculator .summary-banner {
  background: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
  border-radius: 12px;
  padding: 24px;
  color: white;
  margin-bottom: 24px;
}

#six-sigma-calculator .summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

#six-sigma-calculator .summary-item {
  background: rgba(255,255,255,0.2);
  padding: 16px;
  border-radius: 8px;
  backdrop-filter: blur(10px);
}

#six-sigma-calculator .summary-item-label {
  font-size: 13px;
  margin-bottom: 4px;
  opacity: 0.9;
}

#six-sigma-calculator .summary-item-value {
  font-size: 28px;
  font-weight: bold;
}

#six-sigma-calculator ul {
  margin-left: 20px;
  margin-top: 8px;
}

#six-sigma-calculator li {
  margin-bottom: 6px;
  color: #4b5563;
}

@media (max-width: 768px) {
  #six-sigma-calculator .tab-buttons {
    flex-direction: column;
  }
  
  #six-sigma-calculator .form-grid {
    grid-template-columns: 1fr;
  }
  
  #six-sigma-calculator .header-content {
    flex-direction: column;
    text-align: center;
  }
}

#six-sigma-calculator .hidden {
  display: none !important;
}

#six-sigma-calculator .cta-box {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  color: white;
  margin-top: 24px;
}

#six-sigma-calculator .cta-box h3 {
  color: white;
  margin-bottom: 12px;
}

#six-sigma-calculator .cta-box p {
  margin-bottom: 20px;
  opacity: 0.9;
}
  background: linear-gradient(135deg, #2563eb 0%, #4f46e5 100%);
  border-radius: 12px;
  padding: 30px;
  color: white;
  margin-bottom: 24px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.header-content {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-icon {
  background: white;
  padding: 15px;
  border-radius: 10px;
  font-size: 40px;
}

.header-text h1 {
  font-size: 32px;
  margin-bottom: 8px;
}

.header-text p {
  opacity: 0.9;
  font-size: 14px;
}

.tabs {
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  margin-bottom: 24px;
  overflow: hidden;
}

.tab-buttons {
  display: flex;
  border-bottom: 2px solid #e5e7eb;
}

.tab-button {
  flex: 1;
  padding: 16px;
  background: #f9fafb;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.3s;
  color: #6b7280;
}

.tab-button:hover {
  background: #f3f4f6;
}

.tab-button.active {
  background: #2563eb;
  color: white;
  border-bottom: 4px solid #1e40af;
}

.tab-content {
  display: none;
  padding: 24px;
}

.tab-content.active {
  display: block;
}

.card {
  background: white;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card h2 {
  font-size: 24px;
  margin-bottom: 16px;
  color: #1f2937;
}

.card h3 {
  font-size: 18px;
  margin-bottom: 12px;
  color: #374151;
}

.info-box {
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
  border-left: 4px solid;
}

.info-box.blue {
  background: #eff6ff;
  border-color: #3b82f6;
}

.info-box.green {
  background: #f0fdf4;
  border-color: #10b981;
}

.info-box.purple {
  background: #faf5ff;
  border-color: #a855f7;
}

.info-box h4 {
  color: #1f2937;
  font-weight: bold;
  margin-bottom: 8px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 6px;
  color: #374151;
  font-size: 14px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
  font-family: 'Courier New', monospace;
  resize: vertical;
}

.button {
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.button-primary {
  background: #2563eb;
  color: white;
}

.button-primary:hover {
  background: #1d4ed8;
}

.button-success {
  background: #10b981;
  color: white;
}

.button-success:hover {
  background: #059669;
}

.button-danger {
  background: #ef4444;
  color: white;
}

.button-danger:hover {
  background: #dc2626;
}

.button-gray {
  background: #6b7280;
  color: white;
}

.button-gray:hover {
  background: #4b5563;
}

.button-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.sample-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.sample-card {
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.3s;
}

.sample-card:hover {
  border-color: #3b82f6;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.sample-card.selected {
  border-color: #2563eb;
  background: #eff6ff;
}

.sample-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
  color: #1f2937;
}

.sample-card p {
  font-size: 13px;
  color: #6b7280;
  margin-bottom: 12px;
}

.sample-stats {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
}

.sample-stat {
  display: flex;
  justify-content: space-between;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.metric-card {
  padding: 16px;
  border-radius: 8px;
  border: 2px solid;
}

.metric-card.red {
  background: #fef2f2;
  border-color: #fecaca;
}

.metric-card.orange {
  background: #fff7ed;
  border-color: #fed7aa;
}

.metric-card.green {
  background: #f0fdf4;
  border-color: #bbf7d0;
}

.metric-card.blue {
  background: #eff6ff;
  border-color: #bfdbfe;
}

.metric-card.indigo {
  background: #eef2ff;
  border-color: #c7d2fe;
}

.metric-card.purple {
  background: #faf5ff;
  border-color: #e9d5ff;
}

.metric-label {
  font-size: 12px;
  color: #6b7280;
  margin-bottom: 4px;
}

.metric-value {
  font-size: 28px;
  font-weight: bold;
  color: #1f2937;
}

.step-row {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

.step-row input {
  padding: 8px 12px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 14px;
}

.step-row input:first-child {
  flex: 1;
}

.step-row input:nth-child(2) {
  width: 120px;
}

.export-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-bottom: 16px;
}

.alert {
  padding: 16px;
  border-radius: 8px;
  margin-top: 16px;
  border: 2px solid;
}

.alert.success {
  background: #f0fdf4;
  border-color: #86efac;
  color: #166534;
}

.summary-banner {
  background: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
  border-radius: 12px;
  padding: 24px;
  color: white;
  margin-bottom: 24px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.summary-item {
  background: rgba(255,255,255,0.2);
  padding: 16px;
  border-radius: 8px;
  backdrop-filter: blur(10px);
}

.summary-item-label {
  font-size: 13px;
  margin-bottom: 4px;
  opacity: 0.9;
}

.summary-item-value {
  font-size: 28px;
  font-weight: bold;
}

ul {
  margin-left: 20px;
  margin-top: 8px;
}

li {
  margin-bottom: 6px;
  color: #4b5563;
}

@media (max-width: 768px) {
  .tab-buttons {
    flex-direction: column;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .header-content {
    flex-direction: column;
    text-align: center;
  }
}

.hidden {
  display: none !important;
}

.cta-box {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  color: white;
  margin-top: 24px;
}

.cta-box h3 {
  color: white;
  margin-bottom: 12px;
}

.cta-box p {
  margin-bottom: 20px;
  opacity: 0.9;
}