@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&display=swap');

body {
    padding-top: 50px;
    margin: 0;
    height: 100vh;
    display: flex;
    flex-direction: column; 
    justify-content:center; 
    align-items: center;
    background-color: #f0f0f0;
    font-family: 'Montserrat', sans-serif;
}

.zone {
    width: 250px;
    height: 250px;
    background-color: #d3d3d3;
    border: 3px solid #001f4d; 
    border-radius: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    font-weight: 600;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    transition: background 0.3s;
    margin-bottom: 20px; 
}

.zone.verte {
    background-color: #4caf50; 
    color: white;
}

#start-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    background-color: #001f4d;
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

#start-btn:hover {
    background-color: #003366; 
}

#resultat {
    margin-top: 20px;
    font-size: 18px;
    font-weight: 500;
}