* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .container {
            background: white;
            border-radius: 20px;
            padding: 40px;
            max-width: 800px;
            width: 100%;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }

        h1 {
            text-align: center;
            color: #667eea;
            margin-bottom: 30px;
            font-size: 2.5em;
        }

        .stats {
            display: flex;
            justify-content: space-around;
            margin-bottom: 30px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .stat-box {
            text-align: center;
            padding: 20px;
            background: #f8f9fa;
            border-radius: 10px;
            flex: 1;
            min-width: 120px;
        }

        .stat-label {
            font-size: 0.9em;
            color: #666;
            margin-bottom: 5px;
        }

        .stat-value {
            font-size: 2em;
            font-weight: bold;
            color: #667eea;
        }

        .text-display {
            background: #f8f9fa;
            padding: 30px;
            border-radius: 10px;
            margin-bottom: 20px;
            font-size: 1.3em;
            line-height: 1.8;
            letter-spacing: 1px;
        }

        .text-display span.correct {
            color: #28a745;
        }

        .text-display span.incorrect {
            color: #dc3545;
            background: #ffe0e0;
        }

        .text-display span.current {
            background: #667eea;
            color: white;
        }

        .input-area {
            width: 100%;
            padding: 20px;
            font-size: 1.2em;
            border: 2px solid #667eea;
            border-radius: 10px;
            margin-bottom: 20px;
            font-family: inherit;
            transition: all 0.3s;
        }

        .input-area:focus {
            outline: none;
            border-color: #764ba2;
            box-shadow: 0 0 0 3px rgba(118, 75, 162, 0.1);
        }

        .input-area:disabled {
            background: #e9ecef;
            cursor: not-allowed;
        }

        .btn {
            width: 100%;
            padding: 15px;
            font-size: 1.2em;
            border: none;
            border-radius: 10px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            cursor: pointer;
            transition: transform 0.2s;
            font-weight: bold;
        }

        .btn:hover {
            transform: translateY(-2px);
        }

        .btn:active {
            transform: translateY(0);
        }

        .hidden {
            display: none;
        }