        :root {
            --bg-dark: #121212;
            --text-light: #FFFFE0;
            --accent-red: #FF3B30;
            --border-dark: #333;
        }
        
        body {
            font-family: 'Monaco', 'Menlo', 'Consolas', 'Liberation Mono', 'Courier New', monospace;
            background-color: var(--bg-dark);
            color: var(--text-light);
            margin: 0;
            padding: 2rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            min-height: 100vh;
            line-height: 1.6;
        }
        
        h1,h2 {
            margin-bottom: 2rem;
            text-align: center;
            font-weight: 500;
        }
        
        .container {
            width: 100%;
            max-width: 800px;
        }
        
        .drop-area {
            border: 2px dashed var(--border-dark);
            border-radius: 8px;
            padding: 3rem;
            text-align: center;
            margin-bottom: 2rem;
            transition: all 0.3s;
            cursor: pointer;
        }
        
        .drop-area.highlight {
            border-color: var(--accent-red);
            background-color: rgba(255, 59, 48, 0.1);
        }
        
        .file-input {
            display: none;
        }
        
        .btn {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            background-color: var(--accent-red);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 4px;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.2s;
            margin: 0.5rem;
        }
        
        .btn:hover {
            opacity: 0.9;
            transform: translateY(-2px);
        }
        
        .btn:disabled {
            background-color: #666;
            cursor: not-allowed;
            transform: none;
        }
        
        .preview {
            font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
            margin-top: 2rem;
            border: 1px solid var(--border-dark);
            border-radius: 4px;
            padding: 1rem;
            max-height: 300px;
            overflow-y: auto;
            white-space: pre-wrap;
            background-color: rgba(0, 0, 0, 0.2);
        }
        
        .status {
            margin-top: 1rem;
            font-style: italic;
            color: #AAAAAA;
        }
        
        @media (max-width: 600px) {
            body {
                padding: 1rem;
            }
            
            .drop-area {
                padding: 2rem 1rem;
            }
        }


        .message-log {
          font-family: 'Monaco', 'Menlo', monospace;
          max-height: 300px;
          overflow-y: auto;
          padding: 10px;
          background-color: rgba(0, 0, 0, 0.2);
          border-radius: 4px;
        }

        .message {
          margin-bottom: 8px;
          padding: 6px;
          border-left: 3px solid var(--accent-red);
        }

        .message:first-child {
          font-weight: bold;
          font-size: 1.2em;
          border-left-width: 5px;
        }

        .message-number {
          color: var(--accent-red);
          margin-right: 8px;
          font-weight: bold;
        }

        .message-log a {
          color: #4dabf7;
          text-decoration: underline;
        }

        .message-log a:hover {
          color: #339af0;
        }
