* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


body {
    font-family: 'Poppins', Arial, sans-serif;
    background: linear-gradient(145deg, rgb(15, 32, 39), rgb(32, 58, 67), rgb(44, 83, 100));
    color: rgb(240, 240, 240);
    text-align: center;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}


.container {
    max-width: 900px;
    margin: auto;
    padding: 20px;
}


header {
    background-color: rgb(20, 20, 40);
    padding: 25px 20px;
    border-bottom: 3px solid rgb(0, 212, 255);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
    border-radius: 0 0 15px 15px;
}

header h1 {
    margin-bottom: 12px;
    font-size: 28px;
    color: rgb(0, 212, 255);
}


.menu {
    list-style: none;
}

.menu li {
    display: inline-block;
    margin: 10px;
}

.menu a {
    text-decoration: none;
    color: white;
    font-weight: bold;
    padding: 8px 15px;
    border-radius: 8px;
    transition: 0.3s;
}

.menu a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: rgb(0, 212, 255);
}


section {
    margin: 40px 0;
}


.card,
.game-box,
.question-box {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    padding: 25px;
    border-radius: 15px;
    margin: 20px auto;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
}


.form-group {
    margin: 15px 0;
}

input,
select {
    padding: 10px;
    border-radius: 10px;
    border: none;
    margin-top: 10px;
    font-size: 16px;
    outline: none;
}

input:focus,
select:focus {
    box-shadow: 0 0 10px rgb(0, 212, 255);
}


.buttons {
    margin-top: 20px;
}

button {
    background: linear-gradient(45deg, rgb(0, 212, 255), rgb(0, 102, 204));
    border: none;
    padding: 12px 20px;
    margin: 10px;
    border-radius: 10px;
    font-size: 16px;
    cursor: pointer;
    color: white;
    transition: 0.3s;
}

button:hover {
    transform: scale(1.05);
}


.reponse {
    background-color: rgba(255, 255, 255, 0.08);
    padding: 20px;
    border-radius: 15px;
    margin: 20px auto;
    width: 70%;
    min-height: 70px;
    font-size: 20px;
}


img {
    margin-top: 15px;
    border-radius: 15px;
    width: 150px;
    transition: 0.3s;
}

img:hover {
    transform: scale(1.1);
}


.astuce {
    background: rgba(0, 212, 255, 0.1);
    padding: 20px;
    border-radius: 15px;
    margin-top: 30px;
}


footer {
    background-color: rgb(20, 20, 40);
    padding: 15px;
    border-top: 3px solid rgb(0, 212, 255);
    margin-top: auto;
}