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

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
}

h1, h2 {
    text-align: center;
}

#device-list, #pair-device, #pair-requests, #app-list, #coop-session {
    background-color: #fff;
    margin: 20px 0;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

ul {
    list-style-type: none;
    padding: 0;
}

li {
    padding: 10px;
    border-bottom: 1px solid #ddd;
}

li:last-child {
    border-bottom: none;
}

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

label {
    margin-top: 10px;
}

input {
    padding: 10px;
    margin-top: 5px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

button {
    padding: 10px;
    margin-top: 10px;
    border: none;
    border-radius: 5px;
    background-color: #007BFF;
    color: #fff;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

/* Basic styles for the modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgb(0,0,0);
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
}

.close-button {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close-button:hover,
.close-button:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}