/* --- Message Actions --- */


/* --- Code Blocks --- */
.ai-content-wrapper {
  position: relative;
}

.message-bubble {
  padding: var(--padding-md);
  border-radius: var(--radius-lg);
  max-width: 90%;
  word-wrap: break-word;
  transition: all 0.3s ease;
  font-size: 1em; /* 增加字体大小 */
  font-weight: 500; /* 增加字体重量，更显眼 */
  line-height: 1.7;
  letter-spacing: 0.6px; /* 增加字间距 */
  text-shadow: 0 1px 3px rgba(0,0,0,0.15); /* 增强阴影效果 */
}

.precise-mode-enabled .ai-message-group .message-bubble:hover {
    background-color: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.05);
}

.message-bubble pre {
  background: rgba(0, 0, 0, 0.5); /* 统一代码块背景 */
  border: 1px solid var(--unified-border);
  padding: var(--padding-md) 20px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-size: 0.88em;
  margin: 0;
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  line-height: 1.6;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.3);
  position: relative;
}

.message-bubble pre::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-button);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.message-bubble code:not(pre code) {
  background: rgba(0,0,0,0.5); /* 统一内联代码背景 */
  padding: 3px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.92em;
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  border: 1px solid var(--unified-border);
  color: #e8e8e8;
}

/* --- Loading & Error States --- */
.system-message, .error-message {
  text-align: center;
  font-size: 0.85em;
  color: var(--text-secondary);
  padding: var(--padding-sm);
  background-color: rgba(0,0,0,0.2);
  border-radius: var(--radius-sm);
  margin: var(--padding-sm) auto;
  width: fit-content;
  max-width: 90%;
}

.error-message {
  color: var(--error);
  font-weight: 500;
}