:root {
      --ming: #467082;
      --ming-dark: #1A4E5A;
      --orange: #F19A3E;
      --white: #FFFFFF;
      --gray-light: #F5F7FA;
      --gray-medium: #9CA3AF;
      --gray-dark: #1F2937;
      --alert-red: #C62828;
    }

    body {
      margin: 0;
      padding: 2.5cm;
      font-family: 'Roboto Flex', sans-serif;
      font-size: 14pt;
      line-height: 1.5;
      color: var(--gray-dark);
      background-color: var(--white);
      text-align: justify;
    }

    h1 {
      font-family: 'Poppins', sans-serif;
      font-size: 24pt;
      color: var(--ming-dark);
      text-transform: uppercase;
      page-break-before: always;
    }

    h2 {
      font-family: 'Poppins', sans-serif;
      font-size: 18pt;
      color: var(--orange);
    }

    a {
      color: var(--ming-dark);
      text-decoration: none;
      display: inline-block;
      background-color: var(--gray-light);
      padding: 2px;
      margin: 0.5em;
      border-left: 5px solid var(--ming);
      border-radius: 4px;
      font-weight: bold;
    }

    a:hover {
      background-color: var(--ming);
      color: var(--white);
    }

    .app-list {
      display: flex;
      flex-direction: column;
      gap: 1em;
      max-width: 500px;
    }

    header {
      height: 60px;
      align-items: center;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      background-color: var(--ming);
      background-image: linear-gradient(to bottom, var(--ming),var(--ming-dark));
      box-shadow: 0 4px 12px rgba(30, 60, 90, 0.15);
      z-index: 10;
      color: var(--white);
      display: flex;
    }

    footer {
      position: fixed;
      height: 20px;
      bottom: 0;
      left: 0;
      right: 0;
      background-color: var(--ming);
      box-shadow: 0 -4px 12px rgba(30, 60, 90, 0.15);
      z-index: 10;
      padding-bottom: 2px;
      padding-top: 2px;
      text-align: center;
      vertical-align: top;
      font-size: 10px;
      color: var(--white);
    }
    .footer-text {
      font-family: 'Poppins', sans-serif;
      font-size: 10px;
      color: var(--white);
      margin: 0;
      max-width: 100%;
    } 

    .title {
      font-family: 'Poppins', sans-serif;
      font-weight: medium;
      font-size: 24pt;
      color: var(--white);
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: max-content;
      line-height: normal;
      margin: 0;
      text-align: center;
    } 

.lang-select {
      position: absolute;
      right: 15px;
      top: 50%;
      transform: translateY(-50%);
      border-radius: 4px;
      font-weight: bold;
      padding: 0;
      border: 1px solid var(--gray-medium);
      background: var(--white);
      color: var(--gray-dark);
      outline: none;
    }

    .back-link {
      font-size: 12pt;
      padding: 0.5em 1em;
      margin: 1em 0;
      background-color: var(--gray-light);
      border-left: 5px solid var(--ming);
      border-radius: 4px;
      font-weight: bold;
      color: var(--ming-dark);
      display: inline-block;
    }

    .back-link:hover {
      background-color: var(--ming);
      color: var(--white);
    }
    .converter-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
        }
        
        .breadcrumb {
            background: var(--gray-50);
            padding: 0.5rem 0;
            font-size: 0.85rem;
            color: var(--gray-600);
            border-bottom: 1px solid var(--gray-200);
        }
        
        .breadcrumb a {
            color: var(--ming);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .breadcrumb a:hover {
            color: var(--orange);
        }
        
        .breadcrumb-separator {
            margin: 0 0.5rem;
            color: var(--gray-400);
        }
        
        .drop-zone {
            border: 3px dashed var(--ming);
            border-radius: 12px;
            padding: 3rem;
            text-align: center;
            background: var(--gray-50);
            transition: all 0.3s ease;
            cursor: pointer;
            margin-bottom: 2rem;
        }
        
        .drop-zone.dragover {
            background: var(--ming);
            color: white;
            border-color: var(--orange);
        }
        
        .drop-zone-icon {
            font-size: 4rem;
            margin-bottom: 1rem;
        }
        
        .drop-zone-text {
            font-size: 1.2rem;
            margin-bottom: 1rem;
        }
        
        .drop-zone-subtext {
            color: var(--gray-600);
            font-size: 0.9rem;
        }
        
        .drop-zone.dragover .drop-zone-subtext {
            color: rgba(255, 255, 255, 0.8);
        }
        
        #fileInput {
            display: none;
        }
        
        .options-panel {
            background: white;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
        }
        
        .option-group {
            margin-bottom: 1.5rem;
        }
        
        .option-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--gray-800);
        }
        
        .format-selector {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
        }
        
        .format-option {
            display: flex;
            align-items: center;
            padding: 0.75rem;
            border: 2px solid var(--gray-300);
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .format-option:hover {
            border-color: var(--ming);
            background: var(--gray-50);
        }
        
        .format-option input[type="radio"] {
            margin-right: 0.5rem;
        }
        
        .format-option input[type="radio"]:checked + label {
            color: var(--ming);
            font-weight: 600;
        }
        
        .format-option:has(input:checked) {
            border-color: var(--ming);
            background: rgba(70, 112, 130, 0.1);
        }
        
        .results-container {
            display: none;
        }
        
        .image-result {
            background: white;
            border-radius: 12px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }
        
        .image-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--gray-200);
        }
        
        .image-info {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        
        .image-thumbnail {
            width: 60px;
            height: 60px;
            object-fit: cover;
            border-radius: 8px;
        }
        
        .image-details h3 {
            margin: 0;
            color: var(--gray-800);
            font-size: 1.1rem;
        }
        
        .image-details p {
            margin: 0.25rem 0 0 0;
            color: var(--gray-600);
            font-size: 0.9rem;
        }
        
        .image-actions {
            display: flex;
            gap: 0.5rem;
        }
        
        .btn {
            padding: 0.5rem 1rem;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 500;
            transition: all 0.3s ease;
            font-size: 0.9rem;
        }
        
        .btn-primary {
            background: var(--ming);
            color: white;
        }
        
        .btn-primary:hover {
            background: var(--ming-dark, #385a6a);
        }
        
        .btn-secondary {
            background: var(--gray-200);
            color: var(--gray-700);
        }
        
        .btn-secondary:hover {
            background: var(--gray-300);
        }
        
        .btn-danger {
            background: #dc3545;
            color: white;
        }
        
        .btn-danger:hover {
            background: #c82333;
        }
        
        .base64-output {
            background: var(--gray-50);
            border: 1px solid var(--gray-300);
            border-radius: 8px;
            padding: 1rem;
            font-family: 'Courier New', monospace;
            font-size: 0.85rem;
            word-break: break-all;
            max-height: 200px;
            overflow-y: auto;
            position: relative;
        }
        
        .copy-feedback {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: var(--ming);
            color: white;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-weight: 600;
            display: none;
            z-index: 1000;
            box-shadow: 0 4px 16px rgba(0,0,0,0.2);
        }
        
        .copy-feedback.show {
            display: block;
            animation: fadeInOut 2s ease;
        }
        
        @keyframes fadeInOut {
            0%, 100% { opacity: 0; }
            20%, 80% { opacity: 1; }
        }
        
        .clear-all-btn {
            margin-top: 1rem;
            width: 100%;
        }
        
        .stats {
            display: flex;
            gap: 2rem;
            margin-bottom: 1rem;
            padding: 1rem;
            background: var(--gray-50);
            border-radius: 8px;
        }
        
        .stat-item {
            display: flex;
            flex-direction: column;
        }
        
        .stat-label {
            font-size: 0.85rem;
            color: var(--gray-600);
        }
        
        .stat-value {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--ming);
        }

        .logo {
            width: auto; 
            height: 50px; 
            margin-top: 5px; 
            margin-left: 10px;          
        }

        /* Additional styles for converters */
        .option-flex {
            display: flex;
            gap: 1rem;
            align-items: center;
            flex-wrap: wrap;
        }

        .option-checkbox {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .processing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1rem;
            align-items: end;
        }

        .processing-label {
            font-weight: 500;
            color: var(--gray-700);
        }

        .processing-input {
            width: 100%;
        }

        .quality-display {
            font-size: 0.85rem;
            color: var(--gray-600);
        }

        .processing-hint {
            display: block;
            margin-top: 0.5rem;
            color: var(--gray-600);
        }

        .action-buttons {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        .image-meta {
            margin-top: 0.25rem;
            color: var(--gray-700);
        }