:root {
            --mint-green: #e0f2f1;
            --pale-yellow: #fff9c4;
            --baby-blue: #e3f2fd;
            --soft-pink: #fce4ec;
            --action-pink: #ff80ab;
            --action-green: #81c784;
            --action-purple: #6c5ce7;
            --text-color: #455a64;
            --main-light-color: #f9bbb1;
            --main-dark-color: #481b0b;
            --main-background-color: black;
        }

        html, body {
            overflow-x: hidden;
            position: relative;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: 'Quicksand', sans-serif;
            background-color: #ffffff;
            color: var(--text-color);
            overflow-x: hidden;
            position: relative;
        }

        /* Playful Wavy Background */
        .wave-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            background: linear-gradient(135deg, var(--mint-green) 0%, var(--baby-blue) 100%);
            opacity: 0.5;
        }

        .container {
            /* max-width: 1000px; */
            margin: 0 auto;
            padding: 40px 20px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            min-height: 100vh;
            justify-content: center;
        }

        .container.taal {
            justify-content: start;
            align-items: start;
            margin-left: 50px;
        }


        /* Avatar Styling */
        .avatar-container {
            background: white;
            padding: 20px;
            border-radius: 50%;
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            margin-bottom: 20px;
            border: 8px solid var(--pale-yellow);
            transition: transform 0.3s ease;
            overflow: visible;
            position: relative;
        }

        .avatar-container:hover {
            transform: scale(1.05) rotate(2deg);
        }

        .avatar {
            width: 230px;
            height: 230px;
            background: #eee;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background-size: cover;
        }

        .avatar-img {
            width: 200px
        }

        h1 {
            font-weight: 700;
            font-size: 2.5rem;
            margin-bottom: 10px;
            margin-top: 10px;
            color: #37474f;
        }

        p {
            font-size: 1.2rem;
        }

        /* Button Layout */
        .button-group {
            margin-top: 25px;
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn.disabled {
            cursor: not-allowed;
            opacity: 0.8;
        }

        .btn {
            text-decoration: none;
            border: none;
            padding: 25px 50px;
            border-radius: 50px;
            font-size: 1.5rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 15px;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            box-shadow: 0 8px 15px rgba(0,0,0,0.1);
            color: white;
            min-width: 220px;
            justify-content: center;
        }

        .btn-taal {
            background-color: var(--action-pink);
        }

        .btn-rekenen {
            background-color: var(--action-green);
        }

        .btn-audio {
            background-color: var(--action-purple);
            padding: 15px 20px;
        }

        .btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 20px rgba(0,0,0,0.15);
        }

        .btn i {
            font-size: 1.8rem;
        }

        .btn-next {
            margin-top: 20px;
            background-color: var(--action-pink);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 50px;
            font-family: 'Quicksand', sans-serif;
            font-size: 1.2rem;
            font-weight: 700;
            cursor: pointer;
            /* display: none;  */
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
            align-self: center;
        }

        .btn-next:hover {
            transform: scale(1.05);
        }

        .word-btn:disabled {
            cursor: default;
            opacity: 0.8;
        }


        /* Decorative Shapes */
        .blob {
            position: absolute;
            z-index: -1;
            filter: blur(40px);
            border-radius: 50%;
        }

        .blob-1 { width: 300px; height: 300px; background: var(--pale-yellow); top: -100px; right: -50px; }
        .blob-2 { width: 250px; height: 250px; background: var(--mint-green); bottom: -50px; left: -50px; }

        /* speech bubble */
        .tooltip {
            color: black;
            font-size: 18px;
            width: max-content; 
            max-width: 350px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: absolute;
            left: 85%;
            top: -40px;
        }
        .tooltip.right-bottom {
            /* triangle dimension */
            --b: 1em; /* control the base */
            --h: .7em; /* control the height */

            --c:white;

            padding: 1em;
            border-radius: 1.2em;
            border-bottom-right-radius: 0;
            
            clip-path: polygon(100% 0,0 0,0 100%,
                calc(100% - var(--b)) 100%,
                calc(100% + var(--h)) calc(100% + var(--h)),
                100% calc(100% - var(--b)));
            background: var(--c);
            border-image: conic-gradient(var(--c) 0 0) 0 999 999 0/
                0 calc(var(--h) + var(--b)) calc(var(--h) + var(--b)) 0/0 var(--h) var(--h) 0;

                
        }
        .tooltip.left-bottom {
            /* triangle dimension */
            --b: 1em; /* control the base */
            --h: .7em; /* control the height */

            --c:white;

            padding: 1em;
            border-radius: 1.2em;
            border-bottom-left-radius: 0;
            clip-path: polygon(0 0,100% 0,100% 100%,
                var(--b) 100%,
                calc(-1*var(--h)) calc(100% + var(--h)),
                0 calc(100% - var(--b)));
            background: var(--c);
            border-image: conic-gradient(var(--c) 0 0) 0 0 999 999/
                0 0 calc(var(--h) + var(--b)) calc(var(--h) + var(--b))/0 0 var(--h) var(--h);
        }
        .tooltip.right-top {
              /* triangle dimension */
            --b: 1em; /* control the base */
            --h: .7em; /* control the height */

            --c: white;

            padding: 1em;
            border-radius: 1.2em;
            border-top-right-radius: 0;
            clip-path: polygon(100% 100%,0 100%,0 0,
                calc(100% - var(--b)) 0,
                calc(100% + var(--h)) calc(-1*var(--h)),
                100% var(--b));
            background: var(--c);
            border-image: conic-gradient(var(--c) 0 0) 999 999 0 0/
                calc(var(--h) + var(--b)) calc(var(--h) + var(--b)) 0 0/var(--h) var(--h) 0 0;
        }

        .tooltip.left-top {
              /* triangle dimension */
            --b: 1em; /* control the base */
            --h: .7em; /* control the height */

            --c: white;

            padding: 1em;
            border-radius: 1.2em;
            border-top-left-radius: 0;
            clip-path: polygon(0 100%,100% 100%,100% 0,
                var(--b) 0,
                calc(-1*var(--h)) calc(-1*var(--h)),
                0 var(--b));
            background: var(--c);
            border-image: conic-gradient(var(--c) 0 0) 999 0 0 999/
                calc(var(--h) + var(--b)) 0 0 calc(var(--h) + var(--b))/var(--h) 0 0 var(--h);
        }

        .selection-screen {
            width: 100%;
        }

        /* Styling voor de Taalopdracht */
        .exercise-container {
            display: flex;
            width: 100%;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            margin-top: -150px;
        }
        #exercise-wrapper {
            display: none;
            width: 100%;
            flex-direction: column;
            align-items: center;
        }
        .exercise-card {
            background: white;
            padding: 30px;
            border-radius: 30px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.05);
            margin-top: 20px;
            width: 100%;
            max-width: 500px;
            border: 5px solid var(--baby-blue);
        }

        .exercise-header h3 {
            margin-top: 0;
            margin-bottom: 10px;
            color: var(--text-color);
            font-size: 1.8rem;
        }

        .exercise-image-container {
            width: 100%;
            height: 250px;
            background-color: var(--mint-green);
            border-radius: 20px;
            overflow: hidden;
            margin-bottom: 20px;
        }

        .exercise-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .word-options {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .word-btn {
            background-color: white;
            border: 3px solid var(--baby-blue);
            padding: 15px;
            border-radius: 15px;
            font-family: 'Quicksand', sans-serif;
            font-size: 1.2rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            color: var(--text-color);
        }

        .word-btn:hover {
            background-color: var(--baby-blue);
            transform: translateY(-2px);
        }

        /* Correct en Fout feedback stijlen */
        .word-btn.correct {
            background-color: var(--action-green);
            border-color: var(--action-green);
            color: white;
        }

        .word-btn.wrong {
            background-color: #ffebee;
            border-color: #e57373;
            color: #e57373;
        }
        /* De basisstijl voor een uitgeschakelde knop */
        .word-btn:disabled {
            cursor: not-allowed; /* Verandert de muis in een 'verboden' tekentje */
            filter: grayscale(0.2); /* Maakt de kleuren iets minder fel */
            transform: none !important; /* Zorgt dat de knop niet meer omhoog springt bij hover */
            box-shadow: none; /* Verwijdert de schaduw zodat hij 'plat' op de kaart ligt */
            opacity: 0.8;
        }

        /* Specifieke styling voor de foute knop als deze disabled is */
        .word-btn.wrong:disabled {
            background-color: #ffebee; /* Lichtrood */
            border-color: #ef9a9a;
            color: #e57373;
        }

        /* Specifieke styling voor de goede knop als deze disabled is */
        .word-btn.correct:disabled {
            background-color: var(--action-green); /* Houd de groene kleur goed zichtbaar */
            border-color: #66bb6a;
            color: white;
        }

        /* Zorg dat de knoppen die niet gekozen zijn en niet goed waren, heel neutraal worden */
        .word-btn:disabled:not(.correct):not(.wrong) {
            background-color: #f5f5f5;
            border-color: #e0e0e0;
            color: #bdbdbd;
        }

        .feedback-message {
            margin-top: 20px;
            font-weight: 700;
            font-size: 1.3rem;
            min-height: 1.5em;
        }

        /* animatie?  */
        /* Nieuwe CSS voor de animatie en de volgende knop */
        .exercise-card {
            transition: opacity 0.4s ease, transform 0.4s ease;
            opacity: 1;
            transform: translateY(0);
        }

        .fade-out {
            opacity: 0;
            transform: translateY(-20px);
        }

        .fade-in {
            opacity: 0;
            transform: translateY(20px);
        }

        .write-input-container {
            display: flex;
            gap: 10px;
            justify-content: center;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .letter-input {
            width: 50px;
            height: 60px;
            border: 3px solid var(--baby-blue);
            border-radius: 12px;
            text-align: center;
            font-size: 1.8rem;
            font-family: 'Quicksand', sans-serif;
            font-weight: 700;
            text-transform: uppercase;
            color: var(--text-color);
            background-color: #f9f9f9;
            transition: all 0.2s ease;
        }

        .letter-input:focus {
            outline: none;
            border-color: var(--action-pink);
            background-color: white;
            transform: scale(1.05);
        }

        /* Feedback kleuren voor letters */
        .letter-input.correct {
            background-color: var(--action-green);
            border-color: var(--action-green);
            color: white;
        }

        .letter-input.wrong {
            background-color: #ffebee;
            border-color: #e57373;
            color: #e57373;
        }

        .exercise-header {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            /* gap: 15px; */
            margin-bottom: 15px;
        }



/* --- RESPONSIVE DESIGN --- */

/* Tablet en Mobiel (alles onder 1024px) */
@media (max-width: 1024px) {
    .container.taal {
        margin-left: 0; /* Reset de 50px marge aan de linkerkant */
        padding: 20px;
        align-items: center; /* Alles netjes in het midden */
        max-width: 100%;
        margin-top: 150px;
    }

    .exercise-container {
        margin-top: 20px; /* Geen negatieve marge meer nodig op kleine schermen */
    }

    /* Zorg dat de avatar en de tekstballon boven elkaar staan */
    .avatar-container {
        margin-top: 60px; /* Ruimte voor de tooltip die erboven zweeft */
    }

    .tooltip {
        left: 50%;
        top: -150px;
        transform: translateX(-50%);
        min-width: 15ch;
    }
    
    .tooltip.left-bottom {
        border-bottom-left-radius: 1.2em;
        clip-path: none; 
        background: white;
        border-image: none;
    }
    .tooltip.right-bottom {
        border-bottom-right-radius: 1.2em;
        clip-path: none; 
        background: white;
        border-image: none;
    }
    .tooltip.left-top {
        border-top-left-radius: 1.2em;
        clip-path: none; 
        background: white;
        border-image: none;
    }
    .tooltip.right-top {
        border-bottom-left-radius: 1.2em;
        clip-path: none; 
        background: white;
        border-image: none;
    }
}

/* Specifiek voor Mobiel (onder 600px) */
@media (max-width: 600px) {
    h1 {
        font-size: 1.8rem;
    }

    .avatar {
        width: 150px;
        height: 150px;
    }

    .avatar-img {
        width: 130px;
    }

    .btn {
        min-width: unset;
        width: 100%;
        padding: 15px 25px;
        font-size: 1.2rem;
    }

   

    /* De antwoordopties in 1 kolom voor betere leesbaarheid */
    .word-options {
        grid-template-columns: 1fr;
    }

    /* .tooltip {
        top: -80%;
    } */

    .left-point {
        display: none; /* Verberg het pijltje op mobiel om layout simpel te houden */
    }
}