body { 
    background:#f5f7fb;
    font-family:"Microsoft JhengHei",sans-serif;
}

input {
  width: 500px;
  padding: 12px 16px;
  border: 2px solid #ddd;
  border-radius: 8px;
  outline: none;
  font-size: 14px;
}

button {
  background: linear-gradient(135deg, #6a11cb, #2575fc);
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 25px;
  font-size: 20px;
  cursor: pointer;
}

.note {
  width: 400px;
  padding: 10px;
  margin: 10px;
  border: 2px solid #ddd;
  border-radius: 16px;
  background: #fff;
  cursor: pointer;

  white-space: pre-line;
}

/* 詳細聊天紀錄 */
.panel {
  position: fixed;
  top: 0;
  right: -500px; /* 預設藏起來 */
  width: 400px;
  height: 100%;
  background: #fff;
  box-shadow: -5px 0 20px rgba(0,0,0,0.1);
  padding: 20px;
  transition: right 0.3s ease;
  z-index: 1000;
}

.panel.open { /* 有 open類的 panel */
  right: 0; /* 滑出來 */
}