body {
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        background: linear-gradient(135deg, #1a2a6c, #b21f1f, #fdbb2d);
        color: white;
        text-align: center;
        margin: 0;
        padding: 20px;
        min-height: 100vh;
    }
    
    .choice {
        margin-bottom: 30px;
    }
    
    #firstquestion {
        font-style: italic;
        font-size: 24px;
        margin-bottom: 20px;
        text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
    }
    
    button {
        background: rgba(255, 255, 255, 0.2);
        border: none;
        border-radius: 50px;
        color: white;
        cursor: pointer;
        font-size: 16px;
        margin: 10px 5px;
        padding: 12px 20px;
        transition: all 0.3s ease;
        backdrop-filter: blur(5px);
    }
    
    button:hover {
        background: rgba(255, 255, 255, 0.3);
        transform: translateY(-3px);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    }
    
    .wrapper {
        margin: 20px 0;
    }
    
    .sessions {
        display: none;
        opacity: 0;
        transition: opacity 0.5s ease;
        background: rgba(0, 0, 0, 0.5);
        border-radius: 20px;
        padding: 20px;
        margin: 20px auto;
        max-width: 400px;
        backdrop-filter: blur(10px);
    }
    
    .timer {
        font-size: 48px;
        font-weight: bold;
        margin: 20px 0;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }
    
    .progresscontainer {
        width: 100%;
        background-color: rgba(255, 255, 255, 0.2);
        border-radius: 10px;
        margin: 15px 0;
        height: 20px;
    }
    
    .progressbar {
        width: 0;
        height: 100%;
        background-color: #4CAF50;
        border-radius: 10px;
        transition: width 1s ease;
    }
    
    .quote {
        font-style: italic;
        margin-top: 20px;
        color: #fdbb2d;
    }
    
    .audio-control {
        margin-top: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
    }
    
    #volume {
        width: 100px;
    }
    
    .chess-icon {
        font-size: 20px;
        margin-right: 8px;
    }