* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .container {
            background-color: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            width: 100%;
            max-width: 600px;
            padding: 30px;
        }

        h1 {
            text-align: center;
            color: #333;
            margin-bottom: 20px;
            font-weight: 600;
        }

        .description {
            text-align: center;
            color: #666;
            margin-bottom: 30px;
            line-height: 1.5;
        }

        .text-input {
            width: 100%;
            min-height: 150px;
            padding: 15px;
            border: 2px solid #e1e5ee;
            border-radius: 8px;
            font-size: 16px;
            resize: vertical;
            margin-bottom: 20px;
            transition: border-color 0.3s;
        }

        .text-input:focus {
            outline: none;
            border-color: #2575fc;
        }

        .controls {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-bottom: 25px;
        }

        .control-group {
            flex: 1;
            min-width: 200px;
        }

        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: #444;
        }

        select, input {
            width: 100%;
            padding: 10px;
            border: 2px solid #e1e5ee;
            border-radius: 8px;
            font-size: 16px;
            transition: border-color 0.3s;
        }

        select:focus, input:focus {
            outline: none;
            border-color: #2575fc;
        }

        .buttons {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        button {
            flex: 1;
            min-width: 120px;
            padding: 12px 20px;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
        }

        .speak-btn {
            background-color: #2575fc;
            color: white;
        }

        .speak-btn:hover {
            background-color: #1a68e8;
            transform: translateY(-2px);
        }

        .pause-btn {
            background-color: #ffa726;
            color: white;
        }

        .pause-btn:hover {
            background-color: #ff9800;
            transform: translateY(-2px);
        }

        .resume-btn {
            background-color: #66bb6a;
            color: white;
        }

        .resume-btn:hover {
            background-color: #4caf50;
            transform: translateY(-2px);
        }

        .stop-btn {
            background-color: #ef5350;
            color: white;
        }

        .stop-btn:hover {
            background-color: #e53935;
            transform: translateY(-2px);
        }

        .download-btn {
            background-color: #7e57c2;
            color: white;
        }

        .download-btn:hover {
            background-color: #673ab7;
            transform: translateY(-2px);
        }

        .status {
            margin-top: 20px;
            padding: 10px;
            border-radius: 8px;
            text-align: center;
            font-weight: 500;
            display: none;
        }

        .speaking {
            background-color: #e8f5e9;
            color: #2e7d32;
            display: block;
        }

        .paused {
            background-color: #fff3e0;
            color: #ef6c00;
            display: block;
        }

        .stopped {
            background-color: #ffebee;
            color: #c62828;
            display: block;
        }

        .info {
            margin-top: 25px;
            padding: 15px;
            background-color: #f5f7fa;
            border-radius: 8px;
            font-size: 14px;
            color: #546e7a;
        }

        .info h3 {
            margin-bottom: 10px;
            color: #37474f;
        }

        .info ul {
            padding-left: 20px;
        }

        .info li {
            margin-bottom: 8px;
        }

        @media (max-width: 500px) {
            .container {
                padding: 20px;
            }
            
            .controls {
                flex-direction: column;
            }
            
            .control-group {
                min-width: 100%;
            }
        }