body {
    background: #f2f2f2;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-image: url('assets/wallpaper.jpg');
    background-size: cover;
    color: #fff;
}

.captcha-box {
    padding: 18px;
    border: 1px solid #911691;
    width: 80vh;
    height: 80vh;
    box-shadow: 0 0 4px rgba(0, 0, 0, 0.1);
    display: none;
    background-color: #0000006b;
}

.captcha-title {
    font-size: 14px;
    margin-bottom: 12px;
    color: #fff;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}

.tile {
    background: #171717;
    height: 160px;
    width:180px;
    border: 1px solid #000000;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 32px;
    transition: background 0.2s;
}
.tile:hover {
    background: rgba(152, 84, 152, 0.323);
    
}
h2{
    position: absolute;
    left: 50vh;
    right: 50vh;
    text-align: center;
    top: 17vh;
    font-size: 48px;
}
.tile.selected {
    border-color: #6c266c;
    background-color: violet;
}

.info {
    margin-top: 10px;
    font-size: 18px;
    display: none;
}
.sel{
    margin-top:10px;
}
.captcha-title.wrong{
    color: red;
    font-weight: bold;
    font-size: 32px;
}
.captcha-title.right{
    color: rgb(47, 255, 0);
    font-weight: bold;
    font-size: 24px;
}
button{
    color: white;
    appearance: none;
    border: 2px solid violet;
    background-color: #8e328e;
    height: 60px;
    width: 200px;
    border-radius: 15px;
    font-size: 18px;
}
button:hover{
    background-color: #6c266c;
    cursor: pointer;
}
button.menu{
    margin: 10vh;
}
.back-btn{
    position: fixed;
    top: 10px;
    left: 10px;
}