/* 复制按钮样式 */
.message { 
  position: relative;
  margin-bottom: 50px;
}

.message-content { 
  position: relative;
}

.copy-button,
.copy-button-direct {
  position: absolute;
  width: 32px;
  height: 32px;
  background: var(--primary-indigo);
  color: white;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1001;
  box-shadow: 0 4px 6px rgba(0,0,0,0.2);
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  opacity: 0;
}

.copy-button {
  bottom: 8px;
  right: 8px;
}

.copy-button-direct {
  top: 10px;
  right: 10px;
}

/* Show button on hover */
.message:hover .copy-button,
.message-content:hover .copy-button-direct {
  opacity: 1;
}

/* 确保AI消息的复制按钮可见 */
.message.bot:hover .copy-button,
.message.bot-message:hover .copy-button {
  opacity: 1;
}

.copy-button:hover,
.copy-button-direct:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 10px rgba(0,0,0,0.25);
}

.copy-button svg,
.copy-button-direct svg {
  width: 18px;
  height: 18px;
}

/* 复制通知样式 */
.copy-notification {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 12px 20px;
  border-radius: 8px;
  color: white;
  font-size: 14px;
  font-weight: 500;
  z-index: 9999;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
  opacity: 0;
  transition: all 0.3s ease;
}

.copy-notification.success {
  background-color: rgba(16, 185, 129, 0.95);
}

.copy-notification.error {
  background-color: rgba(239, 68, 68, 0.95);
}

.copy-notification.show {
  opacity: 1;
}

/* 深色模式适配 */
@media (prefers-color-scheme: dark) {
  .copy-button {
    background: var(--primary-indigo);
    color: white;
  }
  
  .copy-button:hover {
    background: var(--primary-purple);
  }
  
  .copy-notification {
    background: var(--glass-background-dark);
  }
  
  .copy-notification.success {
    background: rgba(16, 185, 129, 0.8);
  }
  
  .copy-notification.error {
    background: rgba(239, 68, 68, 0.8);
  }
}