html, body {
    height: 100%;
    width: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background-color: #f7f7f7;
}

.background {
    background-color: #ffffff;
    width: calc(100% - 20px);
    height: calc(100% - 20px);
    margin: 10px;
    padding: 0;
}

.container {
    display: flex;
    height: 100%;
    width: 100%;
    border: 1px solid #ccc;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.left-panel {
    width: 60px;
    height: 100%;
    padding: 10px;
    background-color: #343a40;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
}

.leftpanel-button {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    overflow: hidden;
    padding: 0;
    border: none;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.3s;
}

.leftpanel-button img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.leftpanel-button:hover {
    background-color: #495057;
}

.right-window {
    width: calc(100% - 60px);
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.chatRecordArea {
    border: none;
    padding: 10px;
    flex: 1;
    overflow-y: auto;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.5;
}

#UserInput {
    height: 56px;
    width: 100%;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 10px;
    font-size: 16px;
    margin-right: 10px;
}

.button-send {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    overflow: hidden;
    padding: 0;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background-color: #007bff;
    color: white;
    transition: background-color 0.3s;
}

.button-send img {
    width: 100%;
    height: 100%;
}

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

.login-dialog {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    width: 300px;
}

.login-dialog h3 {
    margin-top: 0;
    margin-bottom: 20px;
    text-align: center;
}

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

.login-dialog input[type="text"], .login-dialog input[type="password"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

.login-dialog button {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: none;
    border-radius: 4px;
    background-color: #007bff;
    color: white;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

.logout-menu {
    display: none;
    position: fixed;
    bottom: 100px;
    left: 70px;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    width: 200px;
    display: flex;
    align-items: center;
}

.logout-menu button {
    width: 100%;
    padding: 10px;
    border: none;
    background: none;
    text-align: left;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
}

.logout-menu button:hover {
    background-color: #f7f7f7;
}

.logout-menu hr {
    margin: 0;
    border: 0.5px solid #ddd;
}

.logout-menu img {
    width: 24px;
    height: 24px;
    margin-right: 10px;
}

.left-panel .logout-button-container {
    margin-top: auto;
    margin-bottom: 20px;
}