:root {
            --primary: #4a6ee0;
            --secondary: #2c3e50;
            --light: #f8f9fa;
            --dark: #343a40;
            --success: #28a745;
            --warning: #ffc107;
            --danger: #dc3545;
        }

        body{
            width:100%;
        }
        
        .container-principal {
            font-family: 'Segoe UI', system-ui, sans-serif;
            line-height: 1.6;
            width: 95%;
            margin: 0 auto;
            padding: 20px;
            background: #f5f7fa;
            color: #333;
        }
         
        .encabezado {
            text-align: center;
            margin-bottom: 40px;
            padding-bottom: 20px;
            border-bottom: 1px solid #eee;
        }
        
        h1 {
            color: var(--secondary);
            margin-bottom: 10px;
        }
        
        .tagline {
            color: #6c757d;
            font-size: 1.2rem;
        }
        
        .upload-container {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 30px;
        }
        
        .drop-area {
            border: 2px dashed var(--primary);
            padding: 40px;
            text-align: center;
            border-radius: 10px;
            margin-bottom: 20px;
            transition: all 0.3s;
            cursor: pointer;
            background: rgba(74, 110, 224, 0.05);
        }
        
        .drop-area:hover {
            background: rgba(74, 110, 224, 0.1);
        }
        
        .drop-area.highlight {
            background: rgba(74, 110, 224, 0.2);
            border-color: var(--success);
        }
        
        .batch-info {
            margin: 15px 0;
            padding: 10px;
            background: var(--light);
            border-radius: 5px;
            display: none;
        }
        
        .preview-container {
            display: none;
            margin-top: 30px;
        }
        
        .results-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }
        
        .result-card {
            background: white;
            border-radius: 8px;
            padding: 15px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
        }
        
        .result-card img {
            max-width: 100%;
            border-radius: 5px;
            margin-bottom: 10px;
        }
        
        .result-stats {
            font-size: 0.9rem;
        }
        
        .progress-container {
            height: 10px;
            background: #e9ecef;
            border-radius: 5px;
            margin: 15px 0;
            overflow: hidden;
        }
        
        .progress-bar {
            height: 100%;
            background: var(--primary);
            width: 0;
            transition: width 0.3s;
        }
        
        button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 500;
            transition: all 0.3s;
            margin-right: 10px;
            margin-bottom: 10px;
        }
        
        button:hover {
            background: #3a5bd0;
            transform: translateY(-2px);
        }
        
        button:disabled {
            background: #6c757d;
            cursor: not-allowed;
            transform: none;
        }
        
        button.secondary {
            background: var(--light);
            color: var(--dark);
        }
        
        button.danger {
            background: var(--danger);
        }
        
        .options {
            background: white;
            padding: 20px;
            border-radius: 8px;
            margin: 20px 0;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }
        
        .option-group {
            margin-bottom: 15px;
        }
        
        label {
            display: block;
            margin-bottom: 5px;
            font-weight: 500;
        }
        
        input[type="range"], select, input[type="number"] {
            width: 100%;
            padding: 8px;
            border-radius: 4px;
            border: 1px solid #ddd;
            margin-bottom: 10px;
        }
        
        .algorithm-options {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }
        
        .algorithm-card {
            background: white;
            border: 2px solid #eee;
            border-radius: 8px;
            padding: 15px;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .algorithm-card:hover {
            border-color: var(--primary);
        }
        
        .algorithm-card.selected {
            border-color: var(--success);
            background: rgba(40, 167, 69, 0.05);
        }
        
        .notification {
            position: fixed;
            top: 20px;
            right: 20px;
            background: var(--success);
            color: white;
            padding: 15px 25px;
            border-radius: 5px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.2);
            transform: translateX(200%);
            transition: transform 0.3s ease;
            z-index: 1000;
        }
        
        .notification.show {
            transform: translateX(0);
        }
        
        .batch-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }

        .seo-content{
            text-align: center;
            background: #2e3a59;
    padding: 2rem 0;
    border-radius: 12px;
    margin: 2rem 0;
        }

        .seo-content-info{
            text-align: center;
            background: white;
    padding: 2rem 0;
    border-radius: 12px;
    margin: 2rem 0;
        }

        .seo-content-info h2{
text-align: center;
color: black;
        }

        .seo-content-info ul{
            list-style: none;
            margin:0;
        }

        .comparison-card{
            text-align: center;
            background: #2e3a59;
    padding: 2rem 0;
    border-radius: 12px;
    margin: 2rem 0;
    color:white;
        }

        .comparison-card h3{
            text-decoration: underline;
            text-shadow: 0 1px black;
        }
        
        @media (max-width: 768px) {
            .results-grid {
                grid-template-columns: 1fr;
            }
            
            .algorithm-options {
                grid-template-columns: 1fr;
            }
            
            .upload-container {
                padding: 20px;
            }
            
            .drop-area {
                padding: 30px 20px;
            }
        }


/* ===== ARTICLE SPECIFIC STYLES - NO BODY STYLES ===== */
#compress-guide-article {
      width: 95%;
      margin: 0 auto;
      padding: 2rem 1.5rem 3rem 1.5rem;
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    }

    /* Hero Section */
    .compress-guide-hero {
      text-align: center;
      margin-bottom: 2.5rem;
      padding: 2rem 1.5rem;
      background: linear-gradient(135deg, #4a6ee0 0%, #2c3e50 100%);
      border-radius: 32px;
      box-shadow: 0 12px 30px rgba(74, 110, 224, 0.3);
    }

    .compress-guide-hero h2 {
      font-size: 2.6rem;
      font-weight: 800;
      color: white;
      margin-bottom: 1rem;
      letter-spacing: -0.02em;
      font-family: 'Playfair Display', serif;
    }

    .compress-guide-hero .compress-hero-sub {
      font-size: 1.2rem;
      color: rgba(255, 255, 255, 0.9);
      max-width: 720px;
      margin: 0 auto;
      line-height: 1.5;
    }

    .compress-guide-meta {
      display: flex;
      justify-content: center;
      gap: 2rem;
      color: rgba(255, 255, 255, 0.8);
      font-weight: 500;
      margin-top: 1.2rem;
      flex-wrap: wrap;
    }

    .compress-guide-meta span i {
      margin-right: 0.5rem;
    }

    /* Main Content */
    .compress-main-content {
      background: white;
      border-radius: 28px;
      padding: 2rem 2rem 2.5rem 2rem;
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
      border: 1px solid rgba(74, 110, 224, 0.15);
    }

    .compress-main-content h2 {
      font-size: 1.8rem;
      font-weight: 700;
      margin-top: 2rem;
      margin-bottom: 1rem;
      color: #4a6ee0;
      border-left: 5px solid #2c3e50;
      padding-left: 1rem;
      font-family: 'Playfair Display', serif;
    }

    .compress-main-content h2:first-of-type {
      margin-top: 0;
    }

    .compress-main-content h3 {
      font-size: 1.35rem;
      font-weight: 600;
      margin: 1.5rem 0 0.75rem 0;
      color: #2c3e50;
    }

    .compress-main-content p {
      font-size: 1.05rem;
      color: #2d3748;
      margin-bottom: 1.2rem;
      line-height: 1.6;
    }

    .compress-main-content ul, .compress-main-content ol {
      margin: 1rem 0 1.2rem 1.8rem;
      color: #2d3748;
      line-height: 1.6;
    }

    .compress-main-content li {
      margin-bottom: 0.5rem;
    }

    .compress-highlight-box {
      background: linear-gradient(135deg, rgba(74, 110, 224, 0.08), rgba(44, 62, 80, 0.05));
      border-left: 6px solid #2c3e50;
      padding: 1.25rem 1.5rem;
      border-radius: 20px;
      margin: 1.75rem 0;
    }

    .compress-pro-tip {
      background: rgba(44, 62, 80, 0.1);
      border-radius: 20px;
      padding: 1.2rem 1.5rem;
      margin: 1.5rem 0;
      display: flex;
      gap: 1rem;
      align-items: flex-start;
      border: 1px solid rgba(74, 110, 224, 0.3);
    }

    .compress-pro-tip i {
      font-size: 1.8rem;
      color: #4a6ee0;
    }

    .compress-stats-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 1.2rem;
      margin: 2rem 0;
    }

    .compress-stat-card {
      background: #f5f7fa;
      border-radius: 20px;
      padding: 1.2rem;
      text-align: center;
      transition: all 0.2s;
      border: 1px solid rgba(74, 110, 224, 0.2);
    }

    .compress-stat-card .stat-number {
      font-size: 2rem;
      font-weight: 800;
      color: #4a6ee0;
      margin-bottom: 0.25rem;
    }

    .compress-quote-block {
      background: #f5f7fa;
      padding: 1.5rem;
      border-radius: 24px;
      text-align: center;
      font-style: italic;
      margin: 1.5rem 0;
      border: 1px solid rgba(74, 110, 224, 0.2);
    }

    .compress-quote-block i {
      font-size: 2rem;
      color: #2c3e50;
      margin-bottom: 0.5rem;
      display: inline-block;
    }

    .compress-table-wrapper {
      overflow-x: auto;
      margin: 1.5rem 0;
    }

    .compress-algorithms-table {
      width: 100%;
      border-collapse: collapse;
      background: #f5f7fa;
      border-radius: 16px;
      overflow: hidden;
    }

    .compress-algorithms-table th, .compress-algorithms-table td {
      padding: 12px 16px;
      text-align: left;
      border-bottom: 1px solid rgba(74, 110, 224, 0.2);
    }

    .compress-algorithms-table th {
      background: rgba(74, 110, 224, 0.1);
      font-weight: 600;
      color: #4a6ee0;
    }

    .compress-algorithms-table tr:hover {
      background: rgba(44, 62, 80, 0.05);
    }

    .compress-formula-box {
      background: rgba(74, 110, 224, 0.1);
      border-radius: 16px;
      padding: 0.8rem 1.2rem;
      margin: 1rem 0;
      font-family: 'Courier New', monospace;
      font-size: 0.9rem;
      text-align: center;
      border: 1px dashed #4a6ee0;
    }

    .compress-applications-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 1.2rem;
      margin: 1.5rem 0;
    }

    .compress-application-card {
      background: #f5f7fa;
      border-radius: 16px;
      padding: 1.2rem;
      border: 1px solid rgba(74, 110, 224, 0.2);
      transition: all 0.2s;
    }

    .compress-application-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 20px rgba(74, 110, 224, 0.1);
    }

    .compress-application-title {
      font-weight: 700;
      color: #4a6ee0;
      margin-bottom: 0.5rem;
      font-size: 1.1rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .compress-footer-note {
      margin-top: 2.5rem;
      text-align: center;
      font-size: 0.85rem;
      color: #718096;
      border-top: 1px solid #e2e8f0;
      padding-top: 2rem;
    }

    @media (max-width: 768px) {
      .compress-guide-hero h2 {
        font-size: 2rem;
      }
      .compress-main-content {
        padding: 1.5rem;
      }
      #compress-guide-article {
        padding: 1rem;
      }
    }