/* ============================================
   BUILDING BLUEPRINT FEASIBILITY CALCULATOR
   Brand Colors & Design System
   ============================================ */

:root {
  /* Primary Colors */
  --bb-navy: #193D5C;
  --bb-cream: #F9F7F2;
  --bb-white: #FFFFFF;

  /* Text Colors */
  --bb-text-dark: #1A1A19;
  --bb-text-secondary: #343332;
  --bb-text-muted: #52514F;

  /* Accent Colors */
  --bb-coral: #FF6337;
  --bb-tan: #CCB89A;
  --bb-blue-accent: #2949E5;

  /* Signal Colors */
  --bb-green: #4A7C59;
  --bb-green-light: #E8F0EA;
  --bb-yellow: #C4972F;
  --bb-yellow-light: #FDF6E3;
  --bb-red: #A65D57;
  --bb-red-light: #FAEFEE;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  /* Typography */
  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Work Sans', -apple-system, system-ui, sans-serif;

  /* Borders & Shadows */
  --border-radius: 4px;
  --border-radius-lg: 8px;
  --shadow-sm: 0 1px 3px rgba(25, 61, 92, 0.08);
  --shadow-md: 0 4px 12px rgba(25, 61, 92, 0.1);
  --shadow-lg: 0 8px 24px rgba(25, 61, 92, 0.12);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--bb-text-dark);
  background-color: var(--bb-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Calculator Container */
.bb-calculator {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-lg);
  background: var(--bb-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

@media (max-width: 640px) {
  .bb-calculator {
    padding: var(--spacing-md);
    margin: var(--spacing-sm);
    border-radius: var(--border-radius);
  }
}

/* Typography */
.bb-heading-1 {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 400;
  color: var(--bb-navy);
  margin: 0 0 var(--spacing-xs) 0;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.bb-heading-2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--bb-navy);
  margin: 0 0 var(--spacing-md) 0;
  line-height: 1.3;
}

.bb-heading-3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--bb-navy);
  margin: 0 0 var(--spacing-sm) 0;
}

.bb-subtitle {
  font-size: 1.125rem;
  color: var(--bb-text-secondary);
  margin: 0 0 var(--spacing-lg) 0;
}

.bb-small-caps {
  font-family: var(--font-heading);
  font-variant: small-caps;
  letter-spacing: 0.1em;
  font-size: 0.875rem;
  color: var(--bb-text-muted);
  text-transform: lowercase;
}

/* Section Styles */
.bb-section {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid rgba(25, 61, 92, 0.1);
}

.bb-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.bb-section-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.bb-section-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--bb-navy);
  color: var(--bb-white);
  font-family: var(--font-heading);
  font-size: 0.875rem;
  border-radius: 50%;
}

/* Form Elements */
.bb-form-group {
  margin-bottom: var(--spacing-md);
}

.bb-label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--bb-text-dark);
  margin-bottom: var(--spacing-xs);
}

.bb-label-hint {
  font-weight: 400;
  color: var(--bb-text-muted);
  font-size: 0.8125rem;
  display: block;
  margin-top: 2px;
}

.bb-input,
.bb-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--bb-text-dark);
  background: var(--bb-white);
  border: 1px solid rgba(25, 61, 92, 0.2);
  border-radius: var(--border-radius);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.bb-input:focus,
.bb-select:focus {
  outline: none;
  border-color: var(--bb-navy);
  box-shadow: 0 0 0 3px rgba(25, 61, 92, 0.1);
}

.bb-input::placeholder {
  color: var(--bb-text-muted);
}

.bb-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23193D5C' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

/* Currency Input */
.bb-currency-input {
  position: relative;
}

.bb-currency-input::before {
  content: '$';
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--bb-text-muted);
  font-size: 1rem;
  pointer-events: none;
}

.bb-currency-input .bb-input {
  padding-left: 1.75rem;
}

/* Range Slider */
.bb-slider-container {
  padding: var(--spacing-xs) 0;
}

.bb-slider {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: linear-gradient(to right, var(--bb-navy) 0%, var(--bb-navy) var(--value, 50%), rgba(25, 61, 92, 0.15) var(--value, 50%), rgba(25, 61, 92, 0.15) 100%);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.bb-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--bb-white);
  border: 2px solid var(--bb-navy);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s;
}

.bb-slider::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

.bb-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--bb-white);
  border: 2px solid var(--bb-navy);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.bb-slider-labels {
  display: flex;
  justify-content: space-between;
  margin-top: var(--spacing-xs);
  font-size: 0.8125rem;
  color: var(--bb-text-muted);
}

.bb-slider-value {
  text-align: center;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--bb-navy);
  margin-bottom: var(--spacing-xs);
}

/* Radio/Toggle Cards */
.bb-option-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-sm);
}

.bb-option-card {
  position: relative;
}

.bb-option-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.bb-option-card label {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bb-white);
  border: 1px solid rgba(25, 61, 92, 0.2);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.bb-option-card input:checked + label {
  border-color: var(--bb-navy);
  background: rgba(25, 61, 92, 0.04);
  box-shadow: 0 0 0 1px var(--bb-navy);
}

.bb-option-card label:hover {
  border-color: var(--bb-navy);
}

.bb-option-title {
  display: block;
  font-weight: 500;
  color: var(--bb-text-dark);
  margin-bottom: 2px;
}

.bb-option-desc {
  display: block;
  font-size: 0.8125rem;
  color: var(--bb-text-muted);
}

/* Toggle Switch */
.bb-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
}

.bb-toggle {
  position: relative;
  width: 52px;
  height: 28px;
  flex-shrink: 0;
}

.bb-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.bb-toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: rgba(25, 61, 92, 0.15);
  border-radius: 14px;
  transition: 0.3s;
}

.bb-toggle-slider::before {
  position: absolute;
  content: "";
  height: 22px;
  width: 22px;
  left: 3px;
  bottom: 3px;
  background: var(--bb-white);
  border-radius: 50%;
  transition: 0.3s;
  box-shadow: var(--shadow-sm);
}

.bb-toggle input:checked + .bb-toggle-slider {
  background: var(--bb-navy);
}

.bb-toggle input:checked + .bb-toggle-slider::before {
  transform: translateX(24px);
}

/* Buttons */
.bb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0.875rem 1.75rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.bb-btn-primary {
  background: var(--bb-navy);
  color: var(--bb-white);
}

.bb-btn-primary:hover {
  background: #142F47;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.bb-btn-secondary {
  background: transparent;
  color: var(--bb-navy);
  border: 1px solid var(--bb-navy);
}

.bb-btn-secondary:hover {
  background: rgba(25, 61, 92, 0.04);
}

.bb-btn-accent {
  background: var(--bb-tan);
  color: var(--bb-text-dark);
}

.bb-btn-accent:hover {
  background: #BBA888;
}

.bb-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.bb-btn-full {
  width: 100%;
}

/* Progress Indicator */
.bb-progress {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.bb-progress::before {
  content: '';
  position: absolute;
  top: 14px;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(25, 61, 92, 0.15);
}

.bb-progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
}

.bb-progress-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bb-white);
  border: 2px solid rgba(25, 61, 92, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--bb-text-muted);
  transition: all 0.3s;
}

.bb-progress-step.active .bb-progress-dot {
  border-color: var(--bb-navy);
  background: var(--bb-navy);
  color: var(--bb-white);
}

.bb-progress-step.completed .bb-progress-dot {
  border-color: var(--bb-green);
  background: var(--bb-green);
  color: var(--bb-white);
}

.bb-progress-label {
  font-size: 0.75rem;
  color: var(--bb-text-muted);
  margin-top: var(--spacing-xs);
  text-align: center;
}

@media (max-width: 480px) {
  .bb-progress-label {
    display: none;
  }
}

/* Results Panel */
.bb-results {
  background: var(--bb-cream);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.bb-result-card {
  background: var(--bb-white);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

.bb-result-card:last-child {
  margin-bottom: 0;
}

@media (max-width: 480px) {
  .bb-results {
    background: transparent;
    padding: 0;
    margin-top: var(--spacing-md);
    border-radius: 0;
  }
  .bb-result-card {
    border-radius: var(--border-radius);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-sm);
  }
}

/* Cost Breakdown */
.bb-cost-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid rgba(25, 61, 92, 0.08);
}

.bb-cost-item:last-child {
  border-bottom: none;
}

.bb-cost-item.bb-cost-total {
  border-top: 2px solid var(--bb-navy);
  border-bottom: none;
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
}

.bb-cost-label {
  color: var(--bb-text-secondary);
  font-size: 0.9375rem;
}

.bb-cost-value {
  font-weight: 600;
  color: var(--bb-text-dark);
  font-variant-numeric: tabular-nums;
}

.bb-cost-total .bb-cost-label,
.bb-cost-total .bb-cost-value {
  font-size: 1.125rem;
  color: var(--bb-navy);
}

/* Feasibility Signal */
.bb-signal {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
}

.bb-signal-green {
  background: var(--bb-green-light);
  border: 1px solid var(--bb-green);
}

.bb-signal-yellow {
  background: var(--bb-yellow-light);
  border: 1px solid var(--bb-yellow);
}

.bb-signal-red {
  background: var(--bb-red-light);
  border: 1px solid var(--bb-red);
}

.bb-signal-indicator {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.bb-signal-green .bb-signal-indicator {
  background: var(--bb-green);
}

.bb-signal-yellow .bb-signal-indicator {
  background: var(--bb-yellow);
}

.bb-signal-red .bb-signal-indicator {
  background: var(--bb-red);
}

.bb-signal-indicator svg {
  width: 24px;
  height: 24px;
  color: var(--bb-white);
}

.bb-signal-content {
  flex: 1;
}

.bb-signal-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: 4px;
}

.bb-signal-green .bb-signal-title { color: var(--bb-green); }
.bb-signal-yellow .bb-signal-title { color: var(--bb-yellow); }
.bb-signal-red .bb-signal-title { color: var(--bb-red); }

.bb-signal-desc {
  font-size: 0.875rem;
  color: var(--bb-text-secondary);
  margin: 0;
}

/* Big Number Display */
.bb-big-number {
  text-align: center;
  padding: var(--spacing-lg) 0;
}

.bb-big-number-label {
  font-size: 0.875rem;
  color: var(--bb-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-xs);
}

.bb-big-number-value {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 500;
  color: var(--bb-navy);
  line-height: 1;
}

.bb-big-number-range {
  font-size: 1rem;
  color: var(--bb-text-muted);
  margin-top: var(--spacing-xs);
}

@media (max-width: 480px) {
  .bb-big-number-value {
    font-size: 2.25rem;
  }
}

/* Status Checks */
.bb-status-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xs) 0;
}

.bb-status-label {
  color: var(--bb-text-secondary);
  font-size: 0.9375rem;
}

.bb-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.8125rem;
  font-weight: 500;
}

.bb-status-good {
  background: var(--bb-green-light);
  color: var(--bb-green);
}

.bb-status-caution {
  background: var(--bb-yellow-light);
  color: var(--bb-yellow);
}

.bb-status-concern {
  background: var(--bb-red-light);
  color: var(--bb-red);
}

/* Recommendations */
.bb-recommendations {
  background: rgba(25, 61, 92, 0.03);
  border-left: 3px solid var(--bb-navy);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.bb-recommendations-title {
  font-weight: 600;
  color: var(--bb-navy);
  margin-bottom: var(--spacing-sm);
}

.bb-recommendations ul {
  margin: 0;
  padding-left: 1.25rem;
}

.bb-recommendations li {
  color: var(--bb-text-secondary);
  margin-bottom: var(--spacing-xs);
  line-height: 1.5;
}

.bb-recommendations li:last-child {
  margin-bottom: 0;
}

/* Email Gate */
.bb-email-gate {
  background: linear-gradient(to bottom, var(--bb-cream), var(--bb-white));
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  margin-top: var(--spacing-lg);
}

.bb-email-gate-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  background: var(--bb-navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bb-email-gate-icon svg {
  width: 32px;
  height: 32px;
  color: var(--bb-white);
}

.bb-email-form {
  max-width: 360px;
  margin: 0 auto;
}

.bb-email-form .bb-form-group {
  text-align: left;
}

/* CTA Section */
.bb-cta-section {
  background: var(--bb-navy);
  color: var(--bb-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  text-align: center;
  margin-top: var(--spacing-lg);
}

.bb-cta-section .bb-heading-3 {
  color: var(--bb-white);
}

.bb-cta-section p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-md);
}

/* Footer/Methodology */
.bb-methodology {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(25, 61, 92, 0.1);
  font-size: 0.8125rem;
  color: var(--bb-text-muted);
  text-align: center;
}

/* Utility Classes */
.bb-hidden {
  display: none !important;
}

.bb-text-center {
  text-align: center;
}

.bb-mt-md {
  margin-top: var(--spacing-md);
}

.bb-mb-md {
  margin-bottom: var(--spacing-md);
}

/* Navigation Buttons */
.bb-nav-buttons {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.bb-nav-buttons .bb-btn {
  flex: 1;
}

@media (max-width: 480px) {
  .bb-nav-buttons {
    flex-direction: column;
  }
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.bb-fade-in {
  animation: fadeIn 0.4s ease-out forwards;
}

/* Chart Container */
.bb-chart-container {
  height: 200px;
  margin: var(--spacing-md) 0;
  padding-top: var(--spacing-sm);
  position: relative;
  overflow: visible;
}

.bb-bar-chart {
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  height: 100%;
  gap: var(--spacing-xs);
  min-width: 280px;
  padding: var(--spacing-sm) 0;
}

.bb-bar {
  flex: 1;
  max-width: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.bb-bar-fill {
  width: 100%;
  background: var(--bb-navy);
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  transition: height 0.5s ease-out;
  min-height: 4px;
}

.bb-bar:nth-child(1) .bb-bar-fill { background: var(--bb-tan); }
.bb-bar:nth-child(2) .bb-bar-fill { background: #8B7355; }
.bb-bar:nth-child(3) .bb-bar-fill { background: var(--bb-navy); }
.bb-bar:nth-child(4) .bb-bar-fill { background: #4A6A8A; }
.bb-bar:nth-child(5) .bb-bar-fill { background: var(--bb-text-muted); }

.bb-bar-label {
  font-size: 0.6875rem;
  color: var(--bb-text-muted);
  text-align: center;
  margin-top: var(--spacing-xs);
  line-height: 1.2;
}

.bb-bar-value {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--bb-text-dark);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: visible;
}

@media (max-width: 480px) {
  .bb-chart-container {
    height: auto;
    min-height: 180px;
  }
  .bb-bar-chart {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-xs);
    padding: 0;
    min-width: 0;
    height: auto;
  }
  .bb-bar {
    display: grid;
    grid-template-columns: 72px 1fr 60px;
    align-items: center;
    gap: var(--spacing-xs);
    max-width: none;
    height: 24px;
  }
  .bb-bar-label {
    font-size: 0.6875rem;
    margin: 0;
    text-align: left;
    order: 1;
    white-space: nowrap;
  }
  .bb-bar-fill {
    width: var(--bar-width, 50%);
    height: 100% !important;
    min-height: 18px;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    order: 2;
  }
  .bb-bar-value {
    font-size: 0.6875rem;
    margin: 0;
    text-align: right;
    order: 3;
    white-space: nowrap;
  }
}

/* Loading State */
.bb-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
}

.bb-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(25, 61, 92, 0.1);
  border-top-color: var(--bb-navy);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Housing Cost Comparison Card */
.bb-comparison-card {
  border-left: 4px solid var(--bb-navy);
}

.bb-comparison-card.bb-comparison-green {
  border-left-color: var(--bb-green);
  background: linear-gradient(to right, var(--bb-green-light), var(--bb-white));
}

.bb-comparison-card.bb-comparison-yellow {
  border-left-color: var(--bb-yellow);
  background: linear-gradient(to right, var(--bb-yellow-light), var(--bb-white));
}

.bb-comparison-card.bb-comparison-red {
  border-left-color: var(--bb-red);
  background: linear-gradient(to right, var(--bb-red-light), var(--bb-white));
}

.bb-comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

@media (max-width: 480px) {
  .bb-comparison-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
}

.bb-comparison-item {
  text-align: center;
  padding: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--border-radius);
}

.bb-comparison-label {
  font-size: 0.8125rem;
  color: var(--bb-text-muted);
  margin-bottom: 4px;
}

.bb-comparison-value {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--bb-navy);
  font-family: var(--font-heading);
}

.bb-comparison-delta {
  text-align: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-sm);
}

.bb-delta-green {
  background: var(--bb-green-light);
  color: var(--bb-green);
}

.bb-delta-yellow {
  background: var(--bb-yellow-light);
  color: var(--bb-yellow);
}

.bb-delta-red {
  background: var(--bb-red-light);
  color: var(--bb-red);
}

.bb-delta-label {
  font-size: 0.875rem;
}

.bb-delta-value {
  font-size: 1.25rem;
  font-weight: 600;
}

.bb-delta-percent {
  font-size: 0.875rem;
  opacity: 0.8;
}

.bb-comparison-annual {
  text-align: center;
  font-size: 0.875rem;
  color: var(--bb-text-muted);
}

/* Scenario Comparison Card */
.bb-scenario-card {
  border-left: 4px solid var(--bb-navy);
}

.bb-scenario-card.bb-scenario-warning {
  border-left-color: var(--bb-red);
  background: linear-gradient(to right, var(--bb-red-light), var(--bb-white));
}

.bb-scenario-comparison {
  margin-bottom: var(--spacing-md);
}

.bb-scenario-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid rgba(25, 61, 92, 0.08);
  font-size: 0.9375rem;
}

.bb-scenario-row:last-child {
  border-bottom: none;
}

.bb-scenario-row.bb-scenario-header {
  font-weight: 600;
  color: var(--bb-navy);
  border-bottom: 2px solid rgba(25, 61, 92, 0.15);
  padding-bottom: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
}

.bb-scenario-row span:first-child {
  color: var(--bb-text-secondary);
}

.bb-scenario-row span:nth-child(2),
.bb-scenario-row span:nth-child(3) {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.bb-scenario-highlight {
  font-weight: 600;
  color: var(--bb-navy);
}

@media (max-width: 480px) {
  .bb-scenario-row {
    font-size: 0.8125rem;
    gap: var(--spacing-xs);
  }
}

.bb-scenario-impact {
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(25, 61, 92, 0.05);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  color: var(--bb-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.bb-scenario-alert {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bb-red-light);
  border: 1px solid var(--bb-red);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  color: var(--bb-red);
}

.bb-scenario-alert strong {
  display: inline;
}

/* Cost Definitions */
.bb-cost-definition {
  font-size: 0.75rem;
  color: var(--bb-text-muted);
  font-style: italic;
  margin: 0.25rem 0 var(--spacing-sm) 0;
  line-height: 1.4;
}