/**
 * Message Component - 玻璃态设计风格
 * 聊天消息样式
 * 更新: 2026-01-16 - 应用 landing.html 玻璃态设计规范
 */

/* ===== AI 消息容器 ===== */
#ai-chat-container {
  display: flex;
  flex-direction: column;
  height: 100%;
}

#ai-messages {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1rem;
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

/* 对话框专用滚动条 - 更细更暗 */
#ai-messages::-webkit-scrollbar {
  width: 6px;
}

#ai-messages::-webkit-scrollbar-track {
  background: transparent;
}

#ai-messages::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

#ai-messages::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ===== 欢迎消息 - 玻璃态 ===== */
.ai-welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
}

.ai-welcome h3 {
  font-size: 1.125rem;
  background: linear-gradient(135deg, #ffffff 0%, #a3a3a3 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.ai-welcome p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== AI 消息 - 玻璃态气泡 ===== */
.ai-message {
  margin-bottom: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  max-width: 85%;
  animation: messageIn var(--transition-normal, 200ms) ease-out;
  transition: all 0.2s ease;
  word-wrap: break-word;
  overflow-wrap: break-word;
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

@keyframes messageIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 用户消息 - 玻璃态白色半透明 */
.ai-message.user {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  margin-left: auto;
  border-bottom-right-radius: 0.25rem;
}

.ai-message.user:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.25);
}

/* AI 助手消息 - 玻璃态深色 */
.ai-message.assistant {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.9);
  border-bottom-left-radius: 0.25rem;
}

.ai-message.assistant:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
}

/* 系统消息 - 极淡玻璃态 */
.ai-message.system {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.75rem;
  text-align: center;
  max-width: 100%;
  border-radius: var(--radius);
}

/* 系统事件消息 - 居中显示 */
.ai-message.system-event {
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.75rem;
  padding: 0.5rem 1rem;
  margin: 0.5rem 0;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  max-width: 100%;
}

/* ===== AI 输入区 - 玻璃态 ===== */
#ai-input-area {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.3);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== 发送按钮 - 玻璃态 ===== */
.send-btn {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.1);
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
  outline: none;
  flex-shrink: 0;
}

.send-btn svg {
  width: 1.125rem;
  height: 1.125rem;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.send-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  transform: scale(1.05);
}

.send-btn:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.3);
  outline-offset: 2px;
}

.send-btn:active:not(:disabled) {
  transform: scale(0.95);
}

.send-btn:disabled {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.3);
  cursor: not-allowed;
}

/* ===== 中止按钮 - 玻璃态 ===== */
.abort-btn {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius);
  background: rgba(239, 68, 68, 0.2);
  color: hsl(0 84% 70%);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.abort-btn svg {
  width: 1.125rem;
  height: 1.125rem;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.abort-btn:hover {
  background: rgba(239, 68, 68, 0.3);
  border-color: rgba(239, 68, 68, 0.5);
  transform: scale(1.05);
}

.abort-btn:active {
  transform: scale(0.95);
}

.abort-btn.aborting {
  opacity: 0.7;
  cursor: wait;
}

.abort-btn.aborting .abort-icon {
  animation: pulse 0.5s infinite;
}

/* 抖动动画 */
.abort-btn.shake {
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
  20%, 40%, 60%, 80% { transform: translateX(4px); }
}

/* ===== Markdown 消息样式 - 玻璃态 ===== */
.markdown-content {
  line-height: 1.6;
  overflow-x: hidden;
  max-width: 100%;
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

/* 确保所有 markdown 内容元素都可以选择（覆盖 body 的 user-select: none） */
.markdown-content,
.markdown-content * {
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

.markdown-content p {
  margin-bottom: 0.5rem;
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

.markdown-content p:last-child {
  margin-bottom: 0;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4 {
  margin-top: 0.75rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

.markdown-content h1 { font-size: 1.4em; }
.markdown-content h2 { font-size: 1.2em; }
.markdown-content h3 { font-size: 1.1em; }

/* 列表基础样式 - 恢复被 reset.css 移除的列表样式 */
.markdown-content ul,
.markdown-content ol {
  margin-left: 1.5rem;
  margin-bottom: 0.5rem;
  padding-left: 0.25rem;
  list-style-position: outside;
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

/* 无序列表样式 */
.markdown-content ul {
  list-style-type: disc;
}

/* 有序列表样式 */
.markdown-content ol {
  list-style-type: decimal;
}

/* 嵌套列表样式 */
.markdown-content ul ul,
.markdown-content ol ul {
  list-style-type: circle;
  margin-top: 0.25rem;
  margin-bottom: 0.25rem;
}

.markdown-content ul ul ul,
.markdown-content ol ul ul,
.markdown-content ul ol ul,
.markdown-content ol ol ul {
  list-style-type: square;
}

.markdown-content ol ol,
.markdown-content ul ol {
  list-style-type: lower-alpha;
  margin-top: 0.25rem;
  margin-bottom: 0.25rem;
}

.markdown-content ol ol ol,
.markdown-content ul ol ol {
  list-style-type: lower-roman;
}

.markdown-content li {
  margin-bottom: 0.25rem;
  padding-left: 0.25rem;
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

/* 列表项内的段落 */
.markdown-content li > p {
  margin-bottom: 0.25rem;
}

.markdown-content li > p:last-child {
  margin-bottom: 0;
}

/* 内联代码 - 玻璃态 */
.markdown-content code {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.9em;
  color: rgba(255, 255, 255, 0.85);
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

/* 代码块 - 深色玻璃态 */
.markdown-content pre {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.75rem;
  border-radius: 0.5rem;
  overflow-x: auto;
  margin: 0.5rem 0;
  position: relative;
  max-width: 100%;
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

.markdown-content pre code {
  background: transparent;
  border: none;
  padding: 0;
  font-size: 0.75rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.8);
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

/* 引用块 - 玻璃态 */
.markdown-content blockquote {
  border-left: 3px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.02);
  padding: 0.5rem 0.75rem;
  margin: 0.5rem 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: rgba(255, 255, 255, 0.7);
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

.markdown-content a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  transition: all 0.2s ease;
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

.markdown-content a:hover {
  color: white;
  border-bottom-color: rgba(255, 255, 255, 0.6);
}

/* 消息展开/折叠按钮 - 玻璃态 */
.message-expand-btn {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.6875rem;
  color: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.02);
  transition: all 0.2s ease;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

.message-expand-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.9);
}

/* 截断提示 */
.truncated-indicator {
  display: inline;
  color: rgba(255, 255, 255, 0.4);
  font-style: italic;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

/* ===== 代码复制按钮 - 玻璃态 ===== */
.code-copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.6875rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  opacity: 0;
  transition: all 0.2s ease;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

pre:hover .code-copy-btn {
  opacity: 1;
}

.code-copy-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.2);
}

.code-copy-btn.copied {
  background: rgba(34, 197, 94, 0.2);
  color: hsl(142 76% 60%);
  border-color: rgba(34, 197, 94, 0.3);
}

/* 复制代码按钮（ChatPanel.js 中使用的类名） */
.copy-code-btn {
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

/* ===== 消息复制按钮 - 玻璃态 ===== */
.message-copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  width: 1.75rem;
  height: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  opacity: 0;
  transition: all 0.2s ease;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

.message-copy-btn svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.ai-message:hover .message-copy-btn {
  opacity: 1;
}

.message-copy-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.8);
  border-color: rgba(255, 255, 255, 0.2);
}

.message-copy-btn.copied {
  background: rgba(34, 197, 94, 0.2);
  color: hsl(142 76% 60%);
  border-color: rgba(34, 197, 94, 0.3);
  opacity: 1;
}

/* ===== 上下文使用量状态栏 - 玻璃态 ===== */
.context-bar {
  padding: 0.5rem 0.75rem;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.6875rem;
}

.context-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.375rem;
}

.context-tokens {
  color: rgba(255, 255, 255, 0.5);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.token-label {
  color: rgba(255, 255, 255, 0.4);
}

.token-divider {
  color: rgba(255, 255, 255, 0.2);
  margin: 0 0.25rem;
}

.context-remaining {
  font-weight: 500;
  transition: color 0.3s ease;
}

.context-remaining.normal {
  color: rgba(255, 255, 255, 0.6);
}

.context-remaining.warning {
  color: hsl(38 92% 60%);
}

.context-remaining.critical {
  color: hsl(0 84% 65%);
}

/* 进度条容器 - 玻璃态 */
.context-progress {
  height: 0.25rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 0.125rem;
  overflow: hidden;
}

/* 进度条填充 */
.context-fill {
  height: 100%;
  border-radius: 0.125rem;
  background: rgba(255, 255, 255, 0.3);
  transition: width 0.3s ease, background-color 0.3s ease;
}

.context-fill.normal {
  background: rgba(255, 255, 255, 0.3);
}

.context-fill.warning {
  background: hsl(38 92% 50%);
}

.context-fill.critical {
  background: hsl(0 84% 60%);
}

/* ===== 选项块样式 - 玻璃态 ===== */
/* 参考 happy/sources/components/markdown/MarkdownView.tsx */

.options-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.option-item {
  padding: 0.625rem 1rem;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 0.5rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.875rem;
  line-height: 1.5;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

.option-item:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateX(4px);
}

.option-item:active {
  background: rgba(255, 255, 255, 0.08);
  transform: translateX(2px);
  opacity: 0.8;
}

/* ===== 对话首页独立层 ===== */
/* 作为 AI 对话首页，遮蔽消息层和输入层 */

.chat-home {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10; /* 高于消息容器，遮蔽所有内容 */
  background: #000;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.chat-home.visible {
  opacity: 1;
  pointer-events: auto; /* 可见时允许交互 */
}

.chat-home canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100% !important;
  height: 100% !important;
  z-index: 0;
}

/* 确保聊天面板是相对定位的容器 */
#chat-panel {
  position: relative;
}

/* ===== 对话首页内容 ===== */
.chat-home-content {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
}

.chat-home-content > * {
  max-width: 600px;
  width: 100%;
}

/* 首页头部 */
.chat-home-header {
  margin-bottom: 2rem;
}

.chat-home-welcome {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, #ffffff 0%, #b0b0b0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 0.5rem 0;
  letter-spacing: 0.02em;
}

.chat-home-title {
  font-size: 1.5rem;
  font-weight: 600;
  background: linear-gradient(135deg, #ffffff 0%, #a3a3a3 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 40px rgba(255, 255, 255, 0.2);
  margin: 0;
  min-height: 1.8em; /* 防止打字时高度跳动 */
}

/* 打字机光标效果 */
.chat-home-title .typewriter-cursor {
  display: inline-block;
  width: 2px;
  height: 1.2em;
  background: linear-gradient(135deg, #ffffff 0%, #a3a3a3 100%);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: typewriter-blink 0.8s ease-in-out infinite;
}

@keyframes typewriter-blink {
  0%, 50% {
    opacity: 1;
  }
  51%, 100% {
    opacity: 0;
  }
}

/* 首页输入框容器 */
.chat-home-input-container {
  position: relative;
  width: 100%;
}

/* 首页多行输入框 */
.chat-home-input {
  width: 100%;
  min-height: 120px;
  max-height: 300px;
  padding: 1rem 3.5rem 1rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 1rem;
  color: white;
  font-size: 0.9375rem;
  line-height: 1.6;
  resize: vertical;
  outline: none;
  transition: all 0.3s ease;
  font-family: inherit;
}

.chat-home-input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.chat-home-input:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.chat-home-input:focus {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.05),
              0 8px 32px rgba(0, 0, 0, 0.3);
}

/* 首页发送按钮 */
.chat-home-send-btn {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 0.625rem;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
  outline: none;
}

.chat-home-send-btn svg {
  width: 1.125rem;
  height: 1.125rem;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.chat-home-send-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  transform: scale(1.05);
}

.chat-home-send-btn:active:not(:disabled) {
  transform: scale(0.95);
}

.chat-home-send-btn:disabled {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.25);
  cursor: not-allowed;
}

/* ===== 响应式适配 ===== */
@media (max-width: 640px) {
  .chat-home-content {
    padding: 1.5rem 1rem;
    max-width: 100%;
  }
  
  .chat-home-welcome {
    font-size: 1.5rem;
  }
  
  .chat-home-title {
    font-size: 1.25rem;
  }
  
  .chat-home-icon {
    width: 3rem;
    height: 3rem;
  }
  
  .chat-home-icon svg {
    width: 2.5rem;
    height: 2.5rem;
  }
  
  .chat-home-input {
    min-height: 100px;
    font-size: 0.875rem;
    padding: 0.875rem 3rem 0.875rem 0.875rem;
  }
}

/* ===== 浅色主题样式 - 颜色反转 ===== */

/* 对话框专用滚动条 - 浅色主题 */
body:not(.dark) #ai-messages::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.1);
}

body:not(.dark) #ai-messages::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.2);
}

/* 欢迎消息 - 浅色主题 */
body:not(.dark) .ai-welcome {
  color: rgba(0, 0, 0, 0.5);
}

body:not(.dark) .ai-welcome h3 {
  background: linear-gradient(135deg, #000000 0%, #5c5c5c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

body:not(.dark) .ai-welcome p {
  color: rgba(0, 0, 0, 0.4);
}

/* 用户消息 - 浅色主题 */
body:not(.dark) .ai-message.user {
  background: rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(0, 0, 0, 0.2);
  color: black;
}

body:not(.dark) .ai-message.user:hover {
  background: rgba(0, 0, 0, 0.15);
  border-color: rgba(0, 0, 0, 0.25);
}

/* AI 助手消息 - 浅色主题 */
body:not(.dark) .ai-message.assistant {
  background: rgba(0, 0, 0, 0.03);
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: rgba(0, 0, 0, 0.9);
}

body:not(.dark) .ai-message.assistant:hover {
  background: rgba(0, 0, 0, 0.06);
  border-color: rgba(0, 0, 0, 0.12);
}

/* 系统消息 - 浅色主题 */
body:not(.dark) .ai-message.system {
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(0, 0, 0, 0.05);
  color: rgba(0, 0, 0, 0.6);
}

/* 系统事件消息 - 浅色主题 */
body:not(.dark) .ai-message.system-event {
  color: rgba(0, 0, 0, 0.5);
  background: rgba(0, 0, 0, 0.03);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

/* AI 输入区 - 浅色主题 */
body:not(.dark) #ai-input-area {
  background: rgba(255, 255, 255, 0.3);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

/* 发送按钮 - 浅色主题 */
body:not(.dark) .send-btn {
  border: 1px solid rgba(0, 0, 0, 0.2);
  background: rgba(0, 0, 0, 0.1);
  color: black;
}

body:not(.dark) .send-btn:hover:not(:disabled) {
  background: rgba(0, 0, 0, 0.2);
  border-color: rgba(0, 0, 0, 0.3);
}

body:not(.dark) .send-btn:focus-visible {
  outline: 2px solid rgba(0, 0, 0, 0.3);
}

body:not(.dark) .send-btn:disabled {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.1);
  color: rgba(0, 0, 0, 0.3);
}

/* 中止按钮 - 浅色主题（保持红色） */
body:not(.dark) .abort-btn {
  color: hsl(0 84% 30%);
}

/* Markdown 标题 - 浅色主题 */
body:not(.dark) .markdown-content h1,
body:not(.dark) .markdown-content h2,
body:not(.dark) .markdown-content h3,
body:not(.dark) .markdown-content h4 {
  color: rgba(0, 0, 0, 0.95);
}

/* 内联代码 - 浅色主题 */
body:not(.dark) .markdown-content code {
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: rgba(0, 0, 0, 0.85);
}

/* 代码块 - 浅色主题 */
body:not(.dark) .markdown-content pre {
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

body:not(.dark) .markdown-content pre code {
  color: rgba(0, 0, 0, 0.8);
}

/* 引用块 - 浅色主题 */
body:not(.dark) .markdown-content blockquote {
  border-left: 3px solid rgba(0, 0, 0, 0.3);
  background: rgba(0, 0, 0, 0.02);
  color: rgba(0, 0, 0, 0.7);
}

/* 链接 - 浅色主题 */
body:not(.dark) .markdown-content a {
  color: rgba(0, 0, 0, 0.8);
  border-bottom: 1px solid rgba(0, 0, 0, 0.3);
}

body:not(.dark) .markdown-content a:hover {
  color: black;
  border-bottom-color: rgba(0, 0, 0, 0.6);
}

/* 消息展开/折叠按钮 - 浅色主题 */
body:not(.dark) .message-expand-btn {
  color: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: rgba(0, 0, 0, 0.02);
}

body:not(.dark) .message-expand-btn:hover {
  background: rgba(0, 0, 0, 0.08);
  border-color: rgba(0, 0, 0, 0.2);
  color: rgba(0, 0, 0, 0.9);
}

/* 截断提示 - 浅色主题 */
body:not(.dark) .truncated-indicator {
  color: rgba(0, 0, 0, 0.4);
}

/* 代码复制按钮 - 浅色主题 */
body:not(.dark) .code-copy-btn {
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.1);
  color: rgba(0, 0, 0, 0.6);
}

body:not(.dark) .code-copy-btn:hover {
  background: rgba(0, 0, 0, 0.1);
  color: rgba(0, 0, 0, 0.9);
  border-color: rgba(0, 0, 0, 0.2);
}

body:not(.dark) .code-copy-btn.copied {
  background: rgba(34, 197, 94, 0.1);
  color: hsl(142 76% 30%);
  border-color: rgba(34, 197, 94, 0.2);
}

/* 消息复制按钮 - 浅色主题 */
body:not(.dark) .message-copy-btn {
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.1);
  color: rgba(0, 0, 0, 0.4);
}

body:not(.dark) .message-copy-btn:hover {
  background: rgba(0, 0, 0, 0.1);
  color: rgba(0, 0, 0, 0.8);
  border-color: rgba(0, 0, 0, 0.2);
}

body:not(.dark) .message-copy-btn.copied {
  background: rgba(34, 197, 94, 0.1);
  color: hsl(142 76% 30%);
  border-color: rgba(34, 197, 94, 0.2);
}

/* 上下文使用量状态栏 - 浅色主题 */
body:not(.dark) .context-bar {
  background: rgba(255, 255, 255, 0.2);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

body:not(.dark) .context-tokens {
  color: rgba(0, 0, 0, 0.5);
}

body:not(.dark) .token-label {
  color: rgba(0, 0, 0, 0.4);
}

body:not(.dark) .token-divider {
  color: rgba(0, 0, 0, 0.2);
}

body:not(.dark) .context-remaining.normal {
  color: rgba(0, 0, 0, 0.6);
}

/* 进度条容器 - 浅色主题 */
body:not(.dark) .context-progress {
  background: rgba(0, 0, 0, 0.1);
}

body:not(.dark) .context-fill {
  background: rgba(0, 0, 0, 0.3);
}

body:not(.dark) .context-fill.normal {
  background: rgba(0, 0, 0, 0.3);
}

/* 选项块 - 浅色主题 */
body:not(.dark) .options-container {
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

body:not(.dark) .option-item {
  background: rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(0, 0, 0, 0.12);
  color: rgba(0, 0, 0, 0.9);
}

body:not(.dark) .option-item:hover {
  background: rgba(0, 0, 0, 0.12);
  border-color: rgba(0, 0, 0, 0.2);
}

body:not(.dark) .option-item:active {
  background: rgba(0, 0, 0, 0.08);
}

/* 对话首页 - 浅色主题 */
body:not(.dark) .chat-home {
  background: #fff;
}

body:not(.dark) .chat-home-welcome {
  background: linear-gradient(135deg, #000000 0%, #4f4f4f 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

body:not(.dark) .chat-home-title {
  background: linear-gradient(135deg, #000000 0%, #5c5c5c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 40px rgba(0, 0, 0, 0.2);
}

body:not(.dark) .chat-home-title .typewriter-cursor {
  background: linear-gradient(135deg, #000000 0%, #5c5c5c 100%);
}

body:not(.dark) .chat-home-input {
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.15);
  color: black;
}

body:not(.dark) .chat-home-input::placeholder {
  color: rgba(0, 0, 0, 0.4);
}

body:not(.dark) .chat-home-input:hover {
  background: rgba(0, 0, 0, 0.08);
  border-color: rgba(0, 0, 0, 0.2);
}

body:not(.dark) .chat-home-input:focus {
  background: rgba(0, 0, 0, 0.1);
  border-color: rgba(0, 0, 0, 0.3);
  box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.05),
              0 8px 32px rgba(0, 0, 0, 0.1);
}

body:not(.dark) .chat-home-send-btn {
  border: 1px solid rgba(0, 0, 0, 0.2);
  background: rgba(0, 0, 0, 0.1);
  color: black;
}

body:not(.dark) .chat-home-send-btn:hover:not(:disabled) {
  background: rgba(0, 0, 0, 0.2);
  border-color: rgba(0, 0, 0, 0.3);
}

body:not(.dark) .chat-home-send-btn:disabled {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.08);
  color: rgba(0, 0, 0, 0.25);
}