* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background-color: #121212;
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

#controles {
    background: #1e1e1e;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0px 0px 10px rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
    text-align: center;
    width: 300px;
}

.controle {
    margin-bottom: 10px;
}

label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
}

input {
    width: 100%;
    padding: 5px;
    border: none;
    border-radius: 5px;
    outline: none;
    text-align: center;
}

button {
    width: 100%;
    padding: 8px;
    border: none;
    background: #ff4c4c;
    color: white;
    font-weight: bold;
    border-radius: 5px;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background: #ff1f1f;
}

#palco {
    position: relative;
    width: 80vw;
    height: 60vh;
    background: #222;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0px 0px 10px rgba(255, 255, 255, 0.2);
}

.bolinha {
    position: absolute;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    box-shadow: 0px 0px 10px rgba(255, 0, 0, 0.8);
    transition: transform 0.2s ease;
}