body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 600px;
    margin: auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1 {
    text-align: center;
}

form {
    display: flex;
    flex-direction: column;
}

label {
    margin-top: 10px;
}

input, button {
    padding: 10px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    background-color: #4CAF50;
    color: white;
    cursor: pointer;
    margin-top: 10px;
}

button:hover {
    background-color: #45a049;
}

#status {
    margin-top: 20px;
    color: red;
    text-align: center;
}

#stop-btn {
    background-color: #f44336;
}

#stop-btn:hover {
    background-color: #da190b;
}

#reset-btn {
    background-color: #2196F3;
}

#reset-btn:hover {
    background-color: #1976D2;
}

#share-btn {
    background-color: #FFEB3B;
    color: black;
}

#share-btn:hover {
    background-color: #FDD835;
}

#history {
    border: 1px solid #ccc;
    padding: 10px;
    max-height: 150px;
    overflow-y: auto;
}