* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
}

.wrapper {
  display: flex;
  height: 100vh;
}

.sidebar {
  flex: 0 0 25%;
  background-color: #f8f9fa;
  padding: 20px;
  overflow-y: auto;
}

.profile {
  display: flex;
  align-items: center;
  padding: 10px;
  margin-bottom: 10px;
}

.profile-info {
  margin-left: 10px;
}

.profile-info h2 {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 5px;
}

.profile-info p {
  font-size: 14px;
  color: #555;
}

#user-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

#user-list li {
  display: flex;
  align-items: center;
  padding: 10px;
  cursor: pointer;
}

#user-list li:hover {
  background-color: #e8e8e8;
}

.chat-container {
  flex: 1;
  display: flex;
  flex-direction: column;
}

header {
  background-color: #ededed;
  padding: 10px;
  text-align: center;
}

.c1,
.c2 {
  margin-bottom: 10px;
}

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

input[type="text"],
textarea {
  padding: 10px;
  border-radius: 5px;
  border: 1px solid #ccc;
  width: 100%;
  box-sizing: border-box;
  margin-bottom: 10px;
}

#info {
  background-color: #f2f2f2;
}

main {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
}

footer {
  display: flex;
  align-items: center;
  background-color: #f2f2f2;
  padding: 10px;
}

#msg {
  flex-grow: 1;
  resize: none;
}

#send {
  margin-left: 10px;
}

.chat-box {
  margin-bottom: 20px;
}

.chat-box .title {
  font-weight: bold;
  margin-bottom: 5px;
}

.chat-box .content-msg {
  background-color: #fff;
  border-radius: 5px;
  padding: 10px;
  border: 1px solid #ccc;
}

.friend-msg {
  display: flex;
  justify-content: flex-start;
}

.my-msg {
  display: flex;
  justify-content: flex-end;
}


#send {
  padding: 15px
}