/* Extracted from lighthouse-app.html (UI redesign N1) — load order matters */
    /* Keyword Research Styles */
    .keyword-chip {
      cursor: pointer;
      transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
    }

    .keyword-chip:hover {
      transform: translateY(-2px);
      background: var(--accent-purple) !important;
      color: white !important;
      box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
    }
    
    .keyword-opp-row {
      transition: background 0.2s ease;
    }
    
    .keyword-opp-row:hover {
      background: rgba(139, 92, 246, 0.05);
    }
    
    .trend-item, .rising-item {
      transition: transform 0.2s ease, background 0.2s ease;
    }

    .trend-item:hover, .rising-item:hover {
      transform: translateX(4px);
      background: var(--bg-secondary) !important;
    }
    
    #keywordTrendChart > div {
      transition: transform 0.3s ease, filter 0.3s ease;
    }

    #keywordTrendChart > div:hover {
      transform: scaleY(1.1);
      filter: brightness(1.2);
    }
    
    /* Animated element shimmer effect */
    @keyframes shimmer {
      0% { background-position: -200% 0; }
      100% { background-position: 200% 0; }
    }
    
    .animated-shimmer {
      background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(232, 168, 48, 0.1) 50%,
        transparent 100%
      );
      background-size: 200% 100%;
      animation: shimmer 2s infinite;
    }

    /* Skeleton Loading System */
    @keyframes skeletonPulse {
      0%, 100% { opacity: 0.4; }
      50% { opacity: 0.8; }
    }
    .skeleton {
      background: rgba(139, 148, 158, 0.08);
      border-radius: var(--radius-md);
      animation: skeletonPulse 1.8s ease-in-out infinite;
    }
    [data-theme="light"] .skeleton {
      background: rgba(0, 0, 0, 0.06);
    }
    .skeleton-text {
      height: 12px;
      width: 80%;
      border-radius: var(--radius-xs);
    }
    .skeleton-heading {
      height: 20px;
      width: 50%;
      border-radius: var(--radius-sm);
    }
    .skeleton-circle {
      border-radius: 50%;
    }
    .skeleton-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-xl);
      padding: 16px;
      min-height: 160px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 12px;
      box-shadow: var(--shadow-card);
    }
    .skeleton-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 3px;
      background: rgba(139, 148, 158, 0.15);
      border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    }
    .skeleton-card .skeleton-circle {
      width: 80px;
      height: 80px;
      background: rgba(139, 148, 158, 0.06);
    }
    .skeleton-card .skeleton-heading {
      width: 60px;
      background: rgba(139, 148, 158, 0.08);
    }
    .skeleton-card .skeleton-text {
      width: 80px;
      background: rgba(139, 148, 158, 0.06);
    }

    /* Subtle entrance animation fallback (non-GSAP) */
    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(20px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    
    .animate-in {
      animation: fadeInUp 0.5s ease-out forwards;
    }
    
    /* Stagger delay classes */
    .stagger-1 { animation-delay: 0.1s; }
    .stagger-2 { animation-delay: 0.2s; }
    .stagger-3 { animation-delay: 0.3s; }
    .stagger-4 { animation-delay: 0.4s; }
    .stagger-5 { animation-delay: 0.5s; }