body{
    font-family: Arial, Helvetica, sans-serif;
    display: flex;
    justify-content: center;
    height: 100vh;
    background: #f0f0f0;
    transition: background 0.3s,color 0.3s;
}
body.dark{
    background-color: #222;
    color: #fff;
}
.counter-app{
    background: #fff;
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    width: 300px;
    box-sizing: 0 4px 10px rgba(0,0,0,0.2) ;
    transition: background 0.3s,color 0.3s;
}
body.dark .counter-app{
    background: #333;
    color: #fff;
}
#value{
    font-size: 2.5rem;
    margin: 20px 0;
    color: inherit;
}
button{
    padding: 10px 15px;
    margin: 5px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    cursor: pointer;
    transition: 0.3s;
}
.edit-btn{
    background: rgb(189, 82, 164);
    color: white;
}
.control-btn{
    background: #3d4e65;
    color: #fff;
    font-size: 1.2rem;
}
.multiplier-btn{
    background-color: #764f4f;
    color: #fff;
}
.reset-btn{
    background-color: rgb(86, 188, 188);
    color: #f0f0f0;
}
.theme-btn{
    background-color: rgb(110, 199, 237);
    color: #fff;
}
#history{
    margin-top: 20px;
    text-align: left;
    max-height: 120px;
    overflow-y: auto;
    padding: 10px;
    background: #804242;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(63, 69, 135, 0.2);
    font-size: 0.9rem;
    line-height: 1.4;
    color:#f0f0f0;
}