body {
    font-family: Helvetica, sans-serif;
    background-color: #f4f4f4;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}
.chat-container {
    width: 350px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}
.chat-header {
    display: flex;
    justify-content: center; /* 일단 전체 요소를 중앙 정렬 */
    align-items: center; /* 세로 중앙 정렬 */
    padding: 15px;
    background: #4a90e2;
    color: white;
    position: relative; /* 아이콘을 왼쪽에 배치하기 위해 필요 */
}

.icons {
    position: absolute;
    right: 15px; /* 요소를 부모의 요소의 오른쪽에서 15px 떨어진 위치에 배치*/
    display: flex;
    gap: 10px; /* 아이콘 사이 간격 */
}

.icon {
    width: 20px;
    height: 20px;
    filter: invert(1); /* 아이콘 색상을 흰색으로 변경 */
    cursor: pointer;
}

.title {
    font-size: 16px;
}

.chat-box {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    height: 400px;
    background: #f9f9f9;
  }
  
  .message {
    display: flex;
    flex-direction: column;
    align-self: flex-start;
    position: relative;
  }
  .sent {
    align-self: flex-end;
    display: flex;
    flex-direction: row-reverse; /* 말풍선을 오른쪽에, 읽음표시를 왼쪽에 */
    align-items: flex-end;
    gap: 4px; /* 말풍선과 1 사이 간격 */
  }
  .msg-text {
    padding: 10px 15px;
    border-radius: 18px;
    max-width: 100%;
    font-size: 14px;
    line-height: 1.4;
    word-break: break-word;
  }
  
  .sent .msg-text {
    background-color: #4a90e2;
    color: white;
    border-bottom-right-radius: 4px;
  }
  
  .received .msg-text {
    background-color: #d7d7d7;
    color: #333;
    border-bottom-left-radius: 4px;
  }
  
  .msg-time {
    font-size: 11px;
    color: gray;
    margin-top: 3px;
    text-align: right;
    padding-right: 8px;
  }
  
  
  .chat-input {
    display: flex;
    border-top: 1px solid #ddd;
    padding: 10px;
    background-color: white;
  }
  
  .chat-input textarea {
    flex: 1;
    padding: 10px;
    border-radius: 20px;
    border: 1px solid #ccc;
    resize: none;
    outline: none;
    font-family: inherit;
    font-size: 14px;
    line-height: 1.4;
  }
  
  .chat-input button {
    margin-left: 10px;
    padding: 0 20px;
    border: none;
    border-radius: 20px;
    background: #4a90e2;
    color: white;
    cursor: pointer;
  }

/* 상대방 채팅 구조 변경 */
.received {
  flex-direction: row;
  align-items: flex-start;
  gap: 8px;
}

.profile {
  flex-shrink: 0;
}

.profile img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.message-content {
  display: flex;
  flex-direction: column;
}

.sender-name {
  font-size: 12px;
  font-weight: bold;
  color: #555;
  margin-bottom: 3px;
}

/*1 표시 */
.sent .read-status {
  font-size: 11px;
  color: gray;
  margin-bottom: 3px;
}