/* Style de base */
body {
    font-family: Ubuntu, Arial, sans-serif;
    background-color: #ffffff;
    color: #343a40;
    margin: 0;
    padding: 0;
}

/* Conteneur principal */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

/* En-tête */
h2 {
    text-align: center;
    margin-bottom: 20px;
}
h3 {
    text-align: center;
    margin-bottom: 20px;
color: #28a745; /* Couleur verte principale */
}
h1 {
    color: #28a745; /* Couleur verte principale */
    text-align: center;
    margin-bottom: 20px;
}

/* Conteneur de résultat */
#result-container {
    text-align: center;
    margin-top: 20px;
}

/* Canvas */
#canvas {
    border: 1px solid #ced4da;
    max-width: 100%;
    height: auto;
    margin: 20px auto;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Boutons */
button {
    display: inline-block;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: bold;
    color: #fff;
    background-color: #28a745; /* Couleur verte principale */
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s, box-shadow 0.3s;
    margin: 0 auto;

}

button:hover {
    background-color: #218838; /* Couleur verte plus foncée pour le survol */
}

button:focus {
    outline: none;
}

/* Style de formulaire */
input[type="file"] {
    display: block;
    margin: 20px auto;
}

.alert {
    color: #dc3545;
    text-align: center;
    font-weight: bold;
}