:root {
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --secondary: #4b5563;
      --light: #f9fafb;
      --dark: #111827;
      --border: #e5e7eb;
      --success: #10b981;
      --danger: #ef4444;
      --warning: #f59e0b;
    }
    
    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
      background-color: var(--light);
      color: var(--dark);
      line-height: 1.6;
    }
    
    .fuel-card {
      border-radius: 16px;
      border: none;
      box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      overflow: hidden;
      background: white;
    }
    
    .fuel-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
    }
    
    .price-card {
      background: white;
      border-radius: 12px;
      padding: 1.5rem;
      margin-bottom: 1rem;
      border-left: 4px solid var(--primary);
      transition: all 0.3s ease;
      cursor: pointer;
    }
    
    .price-card:hover {
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
    }
    
    .fuel-type {
      font-weight: 600;
      color: var(--secondary);
      font-size: 0.95rem;
    }
    
    .fuel-price {
      font-size: 1.75rem;
      font-weight: 700;
      color: var(--dark);
      margin: 0.25rem 0;
    }
    
    .price-change {
      font-size: 0.85rem;
      font-weight: 500;
    }
    
    .last-updated {
      font-size: 0.8rem;
      color: #6b7280;
    }
    
    .search-box {
      position: relative;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
      border-radius: 10px;
      overflow: hidden;
    }
    
    .search-input {
      padding-right: 120px;
      border: none;
      height: 56px;
      font-size: 1rem;
    }
    
    .search-input:focus {
      box-shadow: none;
      border-color: var(--primary);
    }
    
    .search-btn {
      position: absolute;
      right: 6px;
      top: 50%;
      transform: translateY(-50%);
      background: var(--primary);
      color: white;
      border: none;
      border-radius: 8px;
      padding: 10px 20px;
      transition: all 0.3s;
      font-weight: 500;
      height: 44px;
    }
    
    .search-btn:hover {
      background: var(--primary-dark);
      transform: translateY(-50%) scale(1.02);
    }
    
    .ad-card {
      background: white;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
      border: none;
      margin-bottom: 1.5rem;
      transition: transform 0.3s ease;
    }
    
    .ad-card:hover {
      transform: translateY(-3px);
    }
    
    .ad-header {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      color: white;
      padding: 1rem 1.5rem;
      font-weight: 600;
      display: flex;
      align-items: center;
    }
    
    .ad-content {
      padding: 1.5rem;
    }
    
    .ad-badge {
      background: #f0fdf4;
      color: #166534;
      font-weight: 600;
      padding: 0.5rem 1rem;
      border-radius: 6px;
      display: inline-block;
      margin-top: 1rem;
      font-size: 0.85rem;
    }
    
    .disclaimer {
      background: #fffbeb;
      border-left: 4px solid var(--warning);
      padding: 1.25rem;
      border-radius: 0 8px 8px 0;
      margin-top: 2rem;
    }
    
    .city-badge {
      background: #e0e7ff;
      color: var(--primary-dark);
      padding: 0.5rem 1rem;
      border-radius: 50px;
      font-weight: 500;
      margin-right: 0.75rem;
      margin-bottom: 0.75rem;
      display: inline-block;
      cursor: pointer;
      transition: all 0.2s;
    }
    
    .city-badge:hover {
      background: var(--primary);
      color: white;
      transform: translateY(-2px);
    }
    
    .trend-up {
      color: var(--danger);
    }
    
    .trend-down {
      color: var(--success);
    }
    
    .trend-neutral {
      color: var(--secondary);
    }
    
    .fuel-icon {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-right: 1rem;
    }
    
    .petrol-icon {
      background: rgba(239, 68, 68, 0.1);
      color: var(--danger);
    }
    
    .diesel-icon {
      background: rgba(16, 185, 129, 0.1);
      color: var(--success);
    }
    
    .cng-icon {
      background: rgba(37, 99, 235, 0.1);
      color: var(--primary);
    }
    
    .popular-cities {
      background: white;
      border-radius: 16px;
      padding: 1.5rem;
      margin-top: 2rem;
      box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    }
    
    .share-btn {
      transition: all 0.3s;
    }
    
    .share-btn:hover {
      transform: scale(1.05);
    }
    
    .pulse-animation {
      animation: pulse 2s infinite;
    }
    
    @keyframes pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }
    
    @media (max-width: 768px) {
      .price-card {
        padding: 1.25rem;
      }
      
      .fuel-price {
        font-size: 1.5rem;
      }
      
      .search-input {
        padding-right: 100px;
      }
      
      .search-btn {
        padding: 8px 16px;
        font-size: 0.9rem;
      }
    }
    /* Base style for ad boxes */
.ad-box {
  background-color: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

/* Header style for ad boxes */
.ad-box h5 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  color: #333;
}

/* Placeholder for ads */
.ad-placeholder {
  height: 120px;
  background-color: #f0f0f0;
  border: 2px dashed #ccc;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #888;
  font-size: 14px;
  font-style: italic;
}

/* List style inside the ad box */
.ad-box .list-group-item {
  border: none;
  padding-left: 0;
  padding-right: 0;
  color: #444;
  font-size: 14px;
  background-color: transparent;
}

/* Optional: spacing between icons and text */
.ad-box i {
  color: #007bff;
}
@media (max-width: 576px) {
  .ad-box {
    padding: 12px;
  }
  .ad-placeholder {
    height: 100px;
    font-size: 13px;
  }
}