body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f9ff;
    color: #333;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

header {
    background-color: #4a90e2;
    color: white;
    text-align: center;
    padding: 20px 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    width: 100%;
}

header h1 {
    margin: 0;
    font-size: 2.5rem;
}

.container {
    position: relative;
    width: 800px;
    height: auto;
    margin: 20px auto;
}

.image {
    width: 100%;
    display: block;
}

.drop-zone {
    position: absolute;
    width: 150px; 
    height: 40px;
    border: 2px solid black;
    background-color: white;
}

/* Position des zones de drop aux extrémités des lignes grises */
.thyroide { top: 70px; left: 150px; }
.cerveau { top: 60px; left: 470px; }
.poumons { top: 140px; left: 90px; }
.coeur { top: 120px; left: 525px; }
.foie { top: 210px; left: 30px; }
.rate { top: 200px; left: 590px; }
.reins { top: 290px; left: 30px; }
.estomac { top: 280px; left: 595px; }
.pancreas { top: 340px; left: 95px; }
.intestins { top: 350px; left: 530px; }
.vessie { top: 420px; left: 230px; }
.organes-genitaux { top: 425px; left: 440px; }

.drag-box {
    display: flex;
    flex-wrap: wrap; 
    justify-content: center; 
    gap: 15px; 
    margin-top: 20px;
    padding: 10px;
    width: 800px;
    height: 200px;
    border: 3px solid #0077cc; 
    border-radius: 10px; 
    background-color: #f9f9f9; 
    
}

.draggable {
    background-color: white;
    border: 3px solid #ccc;
    padding: 10px 15px;
    text-align: center;
    width: 150px;
    height: 30px;
    line-height: 30px;
    font-size: 0.9rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 5px;
    text-align: center;
    gap: 15px;
    z-index: 1000;
    
}

.feedback {
    margin-top: 20px;
    font-size: 1.2rem;
}

.feedback.success {
    color: green;
}

.feedback.error {
    color: red;
}

button {
    margin-top: 20px;
    padding: 10px 20px;
    background-color: #4a90e2;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #357ab7;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px 0;
    width: 100%;
}