/* ==========================================================================
   RJCalculator.com - Shared Calculator Components & Widgets
   Reusable UI for interactive calculators, charts, results, and inputs
   ========================================================================== */

/* Calculator Layout Wrapper */
.calculator-page-wrapper {
  padding: 3rem 0 5rem;
}

.calc-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 2rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.calc-breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.calc-breadcrumb a:hover {
  color: var(--primary);
}

.calc-breadcrumb-separator {
  color: var(--text-muted);
}

.calculator-hero {
  margin-bottom: 2.5rem;
}

.calculator-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.calculator-hero p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 760px;
  line-height: 1.6;
}

/* Universal 2-Column Calculator Grid Layout for PC / Desktop */
.calculator-grid,
.calculator-container,
.calc-grid-layout,
.calc-layout,
.asphalt-grid-layout,
.age-grid-layout,
.cr-grid-layout,
.ot-grid-layout,
.bnb-grid-layout,
.lumber-grid-layout,
.dirt-grid-layout,
.fence-grid-layout,
.osrs-grid-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: start;
  margin-bottom: 3.5rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

@media (max-width: 1024px) {
  .calculator-grid,
  .calculator-container,
  .calc-grid-layout,
  .calc-layout,
  .asphalt-grid-layout,
  .age-grid-layout,
  .cr-grid-layout,
  .ot-grid-layout,
  .bnb-grid-layout,
  .lumber-grid-layout,
  .dirt-grid-layout,
  .fence-grid-layout,
  .osrs-grid-layout {
    grid-template-columns: 1fr !important;
    gap: 1.75rem !important;
  }
}

/* Global Mobile Responsiveness Suite for All Tools */
@media (max-width: 768px) {
  .calculator-page-wrapper {
    padding: 1.5rem 0 3.5rem !important;
  }

  .calculator-hero {
    margin-bottom: 1.75rem !important;
  }

  .calculator-hero h1 {
    font-size: clamp(1.65rem, 6vw, 2.25rem) !important;
  }

  .calculator-hero p {
    font-size: 0.95rem !important;
    line-height: 1.5 !important;
  }

  .input-dimension-row,
  .ot-inputs-row,
  .lumber-inputs-row,
  .calc-mode-grid {
    grid-template-columns: 1fr !important;
    gap: 0.85rem !important;
  }

  .calc-action-row,
  .calc-actions-row {
    flex-direction: column !important;
    width: 100% !important;
    gap: 0.65rem !important;
  }

  .calc-action-row .btn,
  .calc-actions-row .btn {
    width: 100% !important;
    justify-content: center !important;
  }

  .hero-price-val,
  .hero-main-val,
  .primary-savings-val,
  .asphalt-hero-val,
  .cr-hero-val,
  .bnb-hero-val,
  .lumber-hero-val,
  .primary-age-number,
  .primary-tons-number,
  .primary-cr-number,
  .combat-level-number {
    font-size: clamp(1.85rem, 7vw, 2.5rem) !important;
    word-break: break-word !important;
  }

  .hero-sub-text,
  .primary-savings-sub,
  .asphalt-hero-sub,
  .cr-hero-sub,
  .bnb-hero-sub,
  .lumber-hero-sub {
    font-size: 0.88rem !important;
  }

  .result-hero-banner,
  .coast-hero-display,
  .markup-hero-display,
  .primary-savings-banner,
  .asphalt-hero-display,
  .cr-hero-display,
  .bnb-hero-display,
  .lumber-hero-display,
  .fence-hero-display,
  .dirt-hero-display,
  .age-hero-display,
  .osrs-combat-hero,
  .combat-hero-display {
    padding: 1.25rem 1rem !important;
    margin-bottom: 1.25rem !important;
  }

  .preset-pills-row,
  .ot-preset-bar,
  .asphalt-shape-nav,
  .shape-pill-nav,
  .fence-presets-bar,
  .style-preset-bar,
  .mode-tab-bar {
    gap: 0.4rem !important;
  }

  .preset-chip,
  .ot-preset-btn,
  .shape-pill-btn,
  .mode-pill-btn,
  .fence-preset-btn,
  .preset-btn,
  .mode-tab-btn {
    font-size: 0.78rem !important;
    padding: 0.4rem 0.65rem !important;
  }
}

@media (max-width: 480px) {
  .takeoff-grid,
  .takeoff-breakdown-grid,
  .ot-metrics-grid,
  .dirt-metrics-grid,
  .bnb-metrics-grid,
  .lumber-metrics-grid,
  .bom-grid,
  .cr-breakdown-grid,
  .age-breakdown-grid,
  .skills-input-grid,
  .levels-needed-grid {
    grid-template-columns: 1fr !important;
    gap: 0.75rem !important;
  }

  .takeoff-card,
  .metric-item,
  .takeoff-item,
  .takeoff-box,
  .bom-card {
    padding: 0.85rem 1rem !important;
  }

  .takeoff-card-val,
  .metric-item-val,
  .takeoff-val,
  .takeoff-item-value {
    font-size: 1.35rem !important;
  }
}

/* Calculator Seamless Shell (No background box around tool section or content area) */
.calc-card,
.calculator-card,
.ot-summary-card,
.age-summary-card,
.asphalt-summary-card,
.cr-summary-card,
.bnb-summary-card,
.lumber-summary-card,
.dirt-summary-card,
.fence-summary-card,
.osrs-box,
.seo-article-content,
.article-content-card,
.content-wrapper {
  background: transparent !important;
  border: none !important;
  border-radius: 0 !important;
  padding: 0 !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
}

[data-theme="light"] .calc-card,
[data-theme="light"] .calculator-card,
[data-theme="light"] .ot-summary-card,
[data-theme="light"] .age-summary-card,
[data-theme="light"] .asphalt-summary-card,
[data-theme="light"] .cr-summary-card,
[data-theme="light"] .bnb-summary-card,
[data-theme="light"] .lumber-summary-card,
[data-theme="light"] .dirt-summary-card,
[data-theme="light"] .fence-summary-card,
[data-theme="light"] .osrs-box,
[data-theme="light"] .seo-article-content,
[data-theme="light"] .article-content-card,
[data-theme="light"] .content-wrapper {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}

.calc-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.calc-card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Form Controls & Input Groups */
.calc-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
}

.input-with-affix {
  position: relative;
  display: flex;
  align-items: center;
}

.input-prefix, .input-suffix {
  position: absolute;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  pointer-events: none;
}

.input-prefix {
  left: 14px;
}

.input-suffix {
  right: 14px;
}

.calc-input,
.calc-select,
.form-control,
.form-input,
select.form-control,
input.form-control,
input.form-input {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  outline: none;
  transition: all var(--transition-fast);
  box-sizing: border-box;
  display: block;
}

.calc-select,
select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 36px;
  cursor: pointer;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.calc-input:focus,
.calc-select:focus,
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.has-prefix .calc-input {
  padding-left: 36px;
}

.has-suffix .calc-input {
  padding-right: 48px;
}

/* Global Form Control & Calc Form Group */
.calc-form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.calc-form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  display: block;
}

.calc-form-group small {
  display: block;
  color: var(--text-muted);
  font-size: 0.75rem;
  line-height: 1.35;
  margin-top: 2px;
}

/* Range Slider */
.calc-range-slider {
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
  margin-top: 0.25rem;
}

.calc-range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--bg-secondary);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
  cursor: grab;
  transition: transform var(--transition-fast);
}

.calc-range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Segmented Buttons / Unit Toggles */
.segmented-control {
  display: inline-flex;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 3px;
  gap: 3px;
}

.segmented-option {
  flex: 1;
  text-align: center;
  padding: 6px 14px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.segmented-option.active {
  background: var(--primary);
  color: #fff;
}

/* Result Panel */
.result-card {
  position: sticky;
  top: 96px;
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.result-card-header {
  margin-bottom: 1.5rem;
  text-align: center;
}

.result-main-value {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.5vw, 3rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
  margin: 0.5rem 0;
  text-shadow: 0 2px 10px rgba(99, 102, 241, 0.4);
}

[data-theme="light"] .result-main-value {
  color: #1e1b4b;
  text-shadow: none;
}

.result-main-label {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

/* Result Breakdown List */
.result-breakdown {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 1.75rem 0;
}

.breakdown-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
}

.breakdown-label {
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.breakdown-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.breakdown-value {
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

/* Visual Donut / Bar Representation */
.visual-bar {
  width: 100%;
  height: 12px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  display: flex;
  overflow: hidden;
  margin: 1.5rem 0;
}

.visual-segment {
  height: 100%;
  transition: width var(--transition-normal);
}

/* Action Buttons */
.calc-action-row {
  display: flex;
  gap: 10px;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--border-color-hover);
  background: var(--bg-tertiary);
}

.btn-full {
  width: 100%;
}

/* Rich Guide / Formula & SEO Content below Calculator */
.calc-guide-section {
  max-width: 860px;
  margin: 0 auto;
  line-height: 1.8;
  color: var(--text-secondary);
}

.calc-guide-section h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 2.5rem 0 1rem;
}

.calc-guide-section h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 1.75rem 0 0.75rem;
}

.formula-card {
  background: var(--bg-secondary);
  border-left: 4px solid var(--primary);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.5rem 0;
  font-family: var(--font-mono);
  font-size: 0.98rem;
  color: var(--text-primary);
}

.calc-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.calc-table th, .calc-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.92rem;
}

.calc-table th {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-weight: 700;
}

/* Universal FAQ Accordion */
.faq-list, .faq-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 2rem 0;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--primary);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  outline: none;
}

.faq-icon {
  font-size: 1.1rem;
  transition: transform var(--transition-fast);
  color: var(--text-muted);
}

.faq-item.active .faq-icon,
.faq-item.open .faq-icon {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.25rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer,
.faq-item.open .faq-answer {
  display: block !important;
}

/* Article & Content Semantic List Styling */
.seo-article-content ul,
.pro-tip-box ul,
.formula-callout ul,
.calc-card ul {
  list-style-type: disc;
  margin: 1.15rem 0 1.35rem 1.5rem;
  padding-left: 0.5rem;
}

.seo-article-content ol,
.pro-tip-box ol,
.calc-card ol {
  list-style-type: decimal;
  margin: 1.15rem 0 1.35rem 1.5rem;
  padding-left: 0.5rem;
}

.seo-article-content li,
.pro-tip-box li,
.formula-callout li,
.calc-card li {
  margin-bottom: 0.65rem;
  line-height: 1.75;
  color: var(--text-secondary);
}

.seo-article-content li:last-child,
.pro-tip-box li:last-child,
.formula-callout li:last-child {
  margin-bottom: 0;
}

.seo-article-content li strong,
.pro-tip-box li strong {
  color: var(--text-primary);
}

.pro-tip-box ul,
.formula-callout ul {
  margin: 0.75rem 0 0.5rem 1.25rem;
}

/* ==========================================================================
   Universal Component & Layout Standards for All Tools
   ========================================================================== */

/* Universal Hero Result Banner */
.result-hero-banner,
.markup-hero-display,
.primary-savings-banner,
.asphalt-hero-display,
.cr-hero-display,
.bnb-hero-display,
.lumber-hero-display,
.fence-hero-display,
.dirt-hero-display,
.age-hero-display,
.osrs-combat-hero {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.14) 0%, rgba(6, 182, 212, 0.08) 100%);
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

[data-theme="light"] .result-hero-banner,
[data-theme="light"] .markup-hero-display,
[data-theme="light"] .primary-savings-banner,
[data-theme="light"] .asphalt-hero-display,
[data-theme="light"] .cr-hero-display,
[data-theme="light"] .bnb-hero-display,
[data-theme="light"] .lumber-hero-display,
[data-theme="light"] .fence-hero-display,
[data-theme="light"] .dirt-hero-display,
[data-theme="light"] .age-hero-display,
[data-theme="light"] .osrs-combat-hero {
  background: linear-gradient(135deg, #eef2ff 0%, #ecfeff 100%);
  border-color: #c7d2fe;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.08);
}

.hero-metric-label,
.primary-savings-label,
.asphalt-hero-label,
.cr-hero-label,
.bnb-hero-label,
.lumber-hero-label {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.hero-price-val,
.hero-main-val,
.primary-savings-val,
.asphalt-hero-val,
.cr-hero-val,
.bnb-hero-val,
.lumber-hero-val {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--primary);
  margin-bottom: 0.35rem;
}

[data-theme="light"] .hero-price-val,
[data-theme="light"] .hero-main-val,
[data-theme="light"] .primary-savings-val,
[data-theme="light"] .asphalt-hero-val,
[data-theme="light"] .cr-hero-val,
[data-theme="light"] .bnb-hero-val,
[data-theme="light"] .lumber-hero-val {
  color: #1e1b4b;
}

.hero-sub-text,
.primary-savings-sub,
.asphalt-hero-sub,
.cr-hero-sub,
.bnb-hero-sub,
.lumber-hero-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 600;
}

/* Universal Takeoff Metric Grid */
.takeoff-grid,
.takeoff-breakdown-grid,
.ot-metrics-grid,
.dirt-metrics-grid,
.bnb-metrics-grid,
.lumber-metrics-grid,
.bom-grid,
.cr-breakdown-grid,
.age-breakdown-grid,
.skills-input-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

/* Universal Takeoff Cards */
.takeoff-card,
.metric-item,
.takeoff-item,
.takeoff-box,
.bom-card {
  border-radius: var(--radius-md);
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.takeoff-card:hover,
.metric-item:hover,
.takeoff-item:hover {
  transform: translateY(-2px);
}

.takeoff-card-title,
.metric-item-label,
.takeoff-title,
.takeoff-item-header {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.takeoff-card-val,
.metric-item-val,
.takeoff-val,
.takeoff-item-value {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 0.25rem;
}

.takeoff-card-sub,
.metric-item-desc,
.takeoff-sub,
.takeoff-item-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Universal Color-Coded Result Metric Cards (Theme-Aware) */
.takeoff-item-cyan {
  background: var(--card-cyan-bg);
  border: 1px solid var(--card-cyan-border);
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.1);
}
.takeoff-item-cyan .takeoff-card-title, .takeoff-item-cyan .takeoff-title, .takeoff-item-cyan .metric-item-label { color: var(--card-cyan-title); }
.takeoff-item-cyan .takeoff-card-val, .takeoff-item-cyan .takeoff-val, .takeoff-item-cyan .metric-item-val { color: var(--card-cyan-val); }
.takeoff-item-cyan .takeoff-card-sub, .takeoff-item-cyan .takeoff-sub, .takeoff-item-cyan .metric-item-desc { color: var(--card-cyan-sub); }

.takeoff-item-indigo {
  background: var(--card-indigo-bg);
  border: 1px solid var(--card-indigo-border);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.1);
}
.takeoff-item-indigo .takeoff-card-title, .takeoff-item-indigo .takeoff-title, .takeoff-item-indigo .metric-item-label { color: var(--card-indigo-title); }
.takeoff-item-indigo .takeoff-card-val, .takeoff-item-indigo .takeoff-val, .takeoff-item-indigo .metric-item-val { color: var(--card-indigo-val); }
.takeoff-item-indigo .takeoff-card-sub, .takeoff-item-indigo .takeoff-sub, .takeoff-item-indigo .metric-item-desc { color: var(--card-indigo-sub); }

.takeoff-item-amber {
  background: var(--card-amber-bg);
  border: 1px solid var(--card-amber-border);
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.1);
}
.takeoff-item-amber .takeoff-card-title, .takeoff-item-amber .takeoff-title, .takeoff-item-amber .metric-item-label { color: var(--card-amber-title); }
.takeoff-item-amber .takeoff-card-val, .takeoff-item-amber .takeoff-val, .takeoff-item-amber .metric-item-val { color: var(--card-amber-val); }
.takeoff-item-amber .takeoff-sub, .takeoff-item-amber .metric-item-desc { color: var(--card-amber-sub); }

.takeoff-item-rose {
  background: var(--card-rose-bg);
  border: 1px solid var(--card-rose-border);
  box-shadow: 0 4px 15px rgba(244, 63, 94, 0.1);
}
.takeoff-item-rose .takeoff-card-title, .takeoff-item-rose .takeoff-title, .takeoff-item-rose .metric-item-label { color: var(--card-rose-title); }
.takeoff-item-rose .takeoff-card-val, .takeoff-item-rose .takeoff-val, .takeoff-item-rose .metric-item-val { color: var(--card-rose-val); }
.takeoff-item-rose .takeoff-sub, .takeoff-item-rose .metric-item-desc { color: var(--card-rose-sub); }

.takeoff-item-emerald {
  background: var(--card-emerald-bg);
  border: 1px solid var(--card-emerald-border);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.1);
}
.takeoff-item-emerald .takeoff-card-title, .takeoff-item-emerald .takeoff-title, .takeoff-item-emerald .metric-item-label { color: var(--card-emerald-title); }
.takeoff-item-emerald .takeoff-card-val, .takeoff-item-emerald .takeoff-val, .takeoff-item-emerald .metric-item-val { color: var(--card-emerald-val); }
.takeoff-item-emerald .takeoff-sub, .takeoff-item-emerald .metric-item-desc { color: var(--card-emerald-sub); }

/* Universal Preset Chips & Bars */
.preset-pills-row,
.ot-preset-bar,
.asphalt-shape-nav,
.shape-pill-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.preset-chip,
.ot-preset-btn,
.shape-pill-btn {
  padding: 0.45rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.preset-chip:hover,
.ot-preset-btn:hover,
.shape-pill-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(99, 102, 241, 0.08);
}

.preset-chip.active,
.ot-preset-btn.active,
.shape-pill-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

/* Universal Table Styling */
.pricing-table-wrapper,
.takeoff-table-wrapper,
.ot-table-wrapper {
  overflow-x: auto;
  margin: 1.5rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
}

.pricing-table,
.takeoff-table,
.ot-comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  text-align: left;
}

.pricing-table th,
.takeoff-table th,
.ot-comparison-table th {
  background: var(--bg-secondary);
  padding: 0.85rem 1rem;
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

.pricing-table td,
.takeoff-table td,
.ot-comparison-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.pricing-table tr:last-child td,
.takeoff-table tr:last-child td,
.ot-comparison-table tr:last-child td {
  border-bottom: none;
}

.pricing-table tr.highlight-row,
.takeoff-table tr.highlight-row {
  background: rgba(99, 102, 241, 0.08);
  font-weight: 700;
}
.pricing-table tr.highlight-row td,
.takeoff-table tr.highlight-row td {
  color: var(--text-primary);
}

/* Universal Article Styling */
.seo-article-content {
  max-width: 900px;
  margin: 0 auto;
  line-height: 1.85;
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.seo-article-content h2 {
  font-family: var(--font-display);
  font-size: 1.85rem;
  color: var(--text-primary);
  margin-top: 3.25rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
}

.seo-article-content h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--text-primary);
  margin-top: 2.25rem;
  margin-bottom: 0.75rem;
}

.seo-article-content p {
  margin-bottom: 1.35rem;
}

.formula-callout {
  background: var(--bg-secondary);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-primary);
}

.pro-tip-box {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(6, 182, 212, 0.04) 100%);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 1.75rem 0;
}

.pro-tip-box h4 {
  font-size: 1.05rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Related Tools Component for All Calculator Pages */
.related-tools-section {
  margin: 3.5rem 0;
  padding: 2.25rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.related-tools-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.related-tools-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 0.25rem 0;
}

.related-tools-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

.related-tools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

@media (max-width: 1024px) {
  .related-tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .related-tools-grid {
    grid-template-columns: 1fr;
  }
  .related-tools-section {
    padding: 1.5rem 1.25rem;
  }
}

.related-tool-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-fast);
}

.related-tool-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.related-tool-card-top {
  margin-bottom: 1rem;
}

.related-tool-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.related-tool-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
  line-height: 1.35;
}

.related-tool-snippet {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.related-tool-cta {
  display: flex;
  align-items: center;
  gap: 4px;
/* Global Site Footer Styles */
.site-footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
  margin-top: auto;
  width: 100%;
}

.site-footer .footer-grid,
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 900px) {
  .site-footer .footer-grid,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 580px) {
  .site-footer .footer-grid,
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.site-footer ul,
.site-footer ol,
.footer-links,
.footer-col ul {
  list-style: none !important;
  list-style-type: none !important;
  padding: 0 !important;
  margin: 0 !important;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.site-footer li,
.footer-links li,
.footer-col li {
  list-style: none !important;
  list-style-type: none !important;
  padding: 0 !important;
  margin: 0 !important;
}

.site-footer a,
.footer-link,
.footer-col a {
  color: var(--text-secondary);
  text-decoration: none !important;
  font-size: 0.92rem;
  transition: color var(--transition-fast);
}

.site-footer a:hover,
.footer-link:hover,
.footer-col a:hover {
  color: var(--primary) !important;
}

.footer-heading,
.footer-col-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.88rem;
  color: var(--text-muted);
}