/* CSS 变量定义 - 支持主题切换 */
:root {
  /* 浅色主题 - 橙绿色系配色 */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fdfa;
  --bg-tertiary: #f0f9f4;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #64748b;
  --border-color: #e2e8f0;
  --border-hover: #cbd5e1;
  --accent-primary: #059669;
  --accent-secondary: #10b981;
  --accent-hover: #047857;
  --accent-gradient: linear-gradient(135deg, #059669 0%, #f59e0b 100%);
  --success-color: #10b981;
  --error-color: #ef4444;
  --warning-color: #f59e0b;
  --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-heavy: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --radius-small: 8px;
  --radius-medium: 12px;
  --radius-large: 16px;
  --radius-full: 50%;
  --backdrop-blur: blur(12px);
}

/* 深色主题 - 赛博朋克风格 */
[data-theme="dark"] {
  --bg-primary: #0a0a0a;
  --bg-secondary: #1a1a1a;
  --bg-tertiary: #2a2a2a;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-tertiary: #808080;
  --border-color: #333333;
  --border-hover: #444444;
  --accent-primary: #00ff88;
  --accent-secondary: #00cc6a;
  --accent-hover: #00ffaa;
  --accent-gradient: linear-gradient(135deg, #00ff88 0%, #ff6b35 100%);
  --success-color: #00ff88;
  --error-color: #ff4757;
  --warning-color: #ffa502;
  --shadow-light: 0 1px 3px rgba(0, 255, 136, 0.1);
  --shadow-medium: 0 4px 6px -1px rgba(0, 255, 136, 0.15), 0 2px 4px -1px rgba(255, 107, 53, 0.1);
  --shadow-heavy: 0 10px 15px -3px rgba(0, 255, 136, 0.2), 0 4px 6px -2px rgba(255, 107, 53, 0.15);
  --shadow-xl: 0 20px 25px -5px rgba(0, 255, 136, 0.25), 0 10px 10px -5px rgba(255, 107, 53, 0.2);
  --neon-glow: 0 0 10px rgba(0, 255, 136, 0.5);
  --neon-glow-strong: 0 0 20px rgba(0, 255, 136, 0.8);
  --neon-glow-orange: 0 0 10px rgba(255, 107, 53, 0.5);
  --neon-glow-orange-strong: 0 0 20px rgba(255, 107, 53, 0.8);
}

/* 深色主题下的复制按钮样式 - 赛博朋克风格 */
[data-theme="dark"] .action-btn {
  background: rgba(0, 0, 0, 0.8);
  color: var(--accent-primary);
  border: 1px solid var(--accent-primary);
  box-shadow: var(--neon-glow);
}

[data-theme="dark"] .action-btn:hover {
  background: var(--accent-primary);
  color: var(--bg-primary);
  box-shadow: var(--neon-glow-strong);
  transform: scale(1.1);
}

/* 基础样式重置 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
  padding: 20px;
  position: relative;
}

/* 背景装饰元素 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 80%, rgba(5, 150, 105, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* 深色模式背景装饰 - 赛博朋克风格 */
[data-theme="dark"] body::before {
  background: 
    radial-gradient(circle at 20% 80%, rgba(0, 255, 136, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 107, 53, 0.15) 0%, transparent 50%),
    linear-gradient(45deg, transparent 30%, rgba(0, 255, 136, 0.05) 50%, transparent 70%),
    linear-gradient(-45deg, transparent 30%, rgba(255, 107, 53, 0.05) 50%, transparent 70%);
}

/* 应用容器 - 优化宽屏适配 */
.app-container {
  max-width: 1200px;
  width: 100%;
  height: calc(100vh - 40px);
  margin: 0 auto;
  background-color: var(--bg-primary);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  backdrop-filter: var(--backdrop-blur);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* 顶部导航栏 - 增强视觉效果 */
.app-header {
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  border-bottom: 1px solid var(--border-color);
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  box-shadow: var(--shadow-light);
  z-index: 100;
  border-radius: var(--radius-large) var(--radius-large) 0 0;
  position: relative;
}

.app-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--accent-gradient) 50%, transparent 100%);
  opacity: 0.3;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo i {
  font-size: 26px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 400;
}

.header-actions {
  display: flex;
  gap: 8px;
}

.theme-toggle,
.clear-chat {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-color);
  padding: 10px;
  border-radius: var(--radius-medium);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  backdrop-filter: var(--backdrop-blur);
}

.theme-toggle:hover,
.clear-chat:hover {
  background: var(--accent-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

/* 深色模式下的按钮霓虹效果 */
[data-theme="dark"] .theme-toggle:hover,
[data-theme="dark"] .clear-chat:hover {
  box-shadow: var(--neon-glow-strong);
  border-color: var(--accent-primary);
}

/* 主聊天区域 */
.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-container {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  scroll-behavior: smooth;
}

/* 欢迎消息 - 重新设计 */
.welcome-message {
  text-align: center;
  max-width: 700px;
  margin: 80px auto;
  padding: 60px 40px;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  border-radius: var(--radius-large);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-medium);
  position: relative;
  overflow: hidden;
}

.welcome-message::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent-gradient);
}

/* 深色模式下的欢迎消息霓虹效果 */
[data-theme="dark"] .welcome-message {
  border: 1px solid var(--accent-primary);
  box-shadow: var(--neon-glow);
}

[data-theme="dark"] .welcome-message::before {
  box-shadow: var(--neon-glow-strong);
}

.welcome-icon {
  font-size: 72px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 32px;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* 深色模式下的霓虹脉冲动画 */
@keyframes neonPulse {
  0%, 100% { 
    box-shadow: var(--neon-glow);
    opacity: 1;
  }
  50% { 
    box-shadow: var(--neon-glow-strong);
    opacity: 0.8;
  }
}

@keyframes neonPulseOrange {
  0%, 100% { 
    box-shadow: var(--neon-glow-orange);
    opacity: 1;
  }
  50% { 
    box-shadow: var(--neon-glow-orange-strong);
    opacity: 0.8;
  }
}

/* 深色模式下的霓虹动画应用 */
[data-theme="dark"] .welcome-icon {
  animation: float 3s ease-in-out infinite, neonPulse 2s ease-in-out infinite;
}

[data-theme="dark"] .feature-item:hover {
  animation: neonPulse 1.5s ease-in-out infinite;
}

.welcome-message h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.welcome-message p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.7;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  max-width: 600px;
  margin: 0 auto;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px 20px;
  border-radius: var(--radius-medium);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
  border-color: var(--accent-primary);
}

.feature-item:hover::before {
  transform: scaleX(1);
}

.feature-item:hover i {
  transform: scale(1.1);
  color: var(--accent-hover);
}

/* 深色模式下的功能项霓虹效果 */
[data-theme="dark"] .feature-item {
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .feature-item:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--neon-glow);
}

[data-theme="dark"] .feature-item:hover i {
  transform: scale(1.1);
  color: var(--accent-secondary);
  text-shadow: 0 0 12px rgba(0, 255, 136, 0.8);
}

[data-theme="dark"] .feature-item::before {
  background: var(--accent-gradient);
}

.feature-item i {
  font-size: 28px;
  color: var(--accent-primary);
  display: block;
  margin-bottom: 8px;
  transition: all 0.3s ease;
}

/* 深色模式下的图标样式 */
[data-theme="dark"] .feature-item i {
  color: var(--accent-primary);
  text-shadow: 0 0 8px rgba(0, 255, 136, 0.5);
}

.feature-item span {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

/* 消息样式 - 优化视觉效果 */
.message {
  margin-bottom: 28px;
  display: flex;
  gap: 16px;
  animation: messageSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 100%;
}

/* 用户消息 - 右对齐 */
.user-message {
  flex-direction: row-reverse;
  justify-content: flex-start;
}

.user-message .message-content {
  max-width: 85%;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  position: relative;
}

.user-message .message-bubble {
  background: var(--accent-gradient);
  color: white;
  border-radius: 24px 24px 6px 24px;
  text-align: left;
  position: relative;
  box-shadow: var(--shadow-medium);
  border: none;
}

.user-message .message-bubble::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
  border-radius: inherit;
  pointer-events: none;
}

/* 深色模式下的用户消息霓虹效果 */
[data-theme="dark"] .user-message .message-bubble {
  box-shadow: var(--neon-glow-strong);
  border: 1px solid var(--accent-primary);
}

.user-message .message-meta {
  justify-content: flex-end;
  margin-top: 6px;
}

/* AI消息 - 左对齐 */
.bot-message {
  justify-content: flex-start;
}

.bot-message .message-content {
  max-width: 85%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
}

/* AI消息 - 增强视觉效果 */
.bot-message .message-bubble {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 24px 24px 24px 6px;
  position: relative;
  box-shadow: var(--shadow-light);
  backdrop-filter: var(--backdrop-blur);
}

.bot-message .message-bubble::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(5, 150, 105, 0.05) 0%, transparent 100%);
  border-radius: inherit;
  pointer-events: none;
}

/* 深色模式下的AI消息霓虹效果 */
[data-theme="dark"] .bot-message .message-bubble {
  border: 1px solid var(--accent-secondary);
  box-shadow: var(--neon-glow);
}

[data-theme="dark"] .bot-message .message-bubble::before {
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, transparent 100%);
}

.bot-message .message-meta {
  justify-content: flex-start;
  margin-top: 6px;
}

.message-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
  flex-shrink: 0;
  margin-top: 4px;
  box-shadow: var(--shadow-light);
  border: 2px solid var(--border-color);
}

.user-message .message-avatar {
  background: var(--accent-gradient);
  color: white;
  border-color: var(--accent-primary);
}

.bot-message .message-avatar {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

/* 深色模式下的头像霓虹效果 */
[data-theme="dark"] .user-message .message-avatar {
  box-shadow: var(--neon-glow-strong);
  border-color: var(--accent-primary);
}

[data-theme="dark"] .bot-message .message-avatar {
  box-shadow: var(--neon-glow);
  border-color: var(--accent-secondary);
}

.message-bubble {
  padding: 16px 20px;
  position: relative;
  word-wrap: break-word; /* legacy */
  overflow-wrap: break-word;
  word-break: break-all; /* force break for long strings */
  line-height: 1.6;
  box-shadow: var(--shadow-light);
  font-size: 15px;
}

.message-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-tertiary);
}

.message-actions {
  display: flex;
  gap: 6px;
  opacity: 0;
  transition: all 0.3s ease;
  position: absolute;
  bottom: -15px; /* 调整位置，避免与内容重叠 */
  right: 10px;
  transform: translateY(10px);
  z-index: 10; /* 确保在最上层 */
}

.message:hover .message-actions {
  opacity: 1;
  transform: translateY(0);
}

.action-btn {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--border-color);
  padding: 8px;
  border-radius: var(--radius-small);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s ease;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: var(--backdrop-blur);
  box-shadow: var(--shadow-light);
}

.action-btn:hover {
  background: var(--accent-primary);
  color: white;
  transform: scale(1.1);
  box-shadow: var(--shadow-medium);
}

/* 输入区域 - 增强视觉效果 */
.input-container {
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  border-top: 1px solid var(--border-color);
  padding: 24px;
  border-radius: 0 0 var(--radius-large) var(--radius-large);
  position: relative;
}

.input-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--accent-gradient) 50%, transparent 100%);
  opacity: 0.3;
}

.input-wrapper {
  max-width: 100%;
  margin: 0 auto;
}

.input-area {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-large);
  padding: 12px 16px;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-light);
}

.input-area:focus-within {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 4px rgba(5, 150, 105, 0.1), var(--shadow-medium);
  transform: translateY(-2px);
}

/* 深色模式下的输入框霓虹效果 */
[data-theme="dark"] .input-area:focus-within {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 4px rgba(0, 255, 136, 0.2), var(--neon-glow);
}

.input-field {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  width: 100%;
  flex: 1;
}

#chat-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  resize: none;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-primary);
  max-height: 120px;
  min-height: 24px;
  font-family: inherit;
  padding: 8px 0;
  overflow-y: auto;
}

#chat-input::placeholder {
  color: var(--text-tertiary);
}

.input-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-shrink: 0;
  flex: 0 0 auto;
}



.send-btn {
  background: var(--accent-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  width: 44px;
  height: 44px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  font-size: 16px;
  box-shadow: var(--shadow-light);
}

.send-btn:hover:not(:disabled) {
  transform: scale(1.1) translateY(-2px);
  box-shadow: var(--shadow-medium);
}

/* 深色模式下的发送按钮霓虹效果 */
[data-theme="dark"] .send-btn:hover:not(:disabled) {
  box-shadow: var(--neon-glow-strong);
}

.send-btn:disabled {
  background: var(--text-tertiary);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* 状态指示器 - 优化视觉效果 */
.status-indicator {
  display: none;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  padding: 16px 20px;
  background: var(--bg-secondary);
  border-radius: var(--radius-medium);
  border: 1px solid var(--border-color);
  position: absolute;
  top: -70px;
  left: 24px;
  right: 24px;
  z-index: 10;
  backdrop-filter: var(--backdrop-blur);
  box-shadow: var(--shadow-medium);
}

.status-indicator.show {
  display: flex;
  animation: slideInUp 0.3s ease-out;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.typing-indicator {
  display: flex;
  gap: 6px;
}

.typing-indicator span {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--accent-gradient);
  animation: typing 1.4s infinite ease-in-out;
}

/* 深色模式下的状态指示器霓虹效果 */
[data-theme="dark"] .status-indicator {
  border: 1px solid var(--accent-primary);
  box-shadow: var(--neon-glow);
}

[data-theme="dark"] .typing-indicator span {
  box-shadow: var(--neon-glow);
}

.typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator span:nth-child(2) { animation-delay: -0.16s; }

.status-text {
  font-size: 15px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* 模态框 */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal.show {
  display: flex;
}

.modal-content {
  background-color: var(--bg-primary);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-heavy);
  max-width: 400px;
  width: 90%;
  max-height: 80vh;
  overflow: hidden;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  padding: 8px;
  border-radius: var(--radius-small);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.modal-close:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.modal-body {
  padding: 20px;
}

.modal-body p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.modal-footer {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  padding: 20px;
  border-top: 1px solid var(--border-color);
}

.btn {
  padding: 10px 20px;
  border-radius: var(--radius-small);
  border: none;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-tertiary);
}

.btn-primary {
  background-color: var(--accent-primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
}

/* Markdown 样式 */
.bot-message .message-bubble {
  font-size: 15px;
}

.bot-message .message-bubble h1,
.bot-message .message-bubble h2,
.bot-message .message-bubble h3,
.bot-message .message-bubble h4,
.bot-message .message-bubble h5,
.bot-message .message-bubble h6 {
  margin: 16px 0 8px 0;
  font-weight: 600;
  color: var(--text-primary);
}

.bot-message .message-bubble h1 { font-size: 24px; }
.bot-message .message-bubble h2 { font-size: 20px; }
.bot-message .message-bubble h3 { font-size: 18px; }

.bot-message .message-bubble p {
  margin: 8px 0;
  line-height: 1.6;
}

.bot-message .message-bubble ul,
.bot-message .message-bubble ol {
  margin: 8px 0;
  padding-left: 24px;
}

.bot-message .message-bubble li {
  margin: 4px 0;
}

.bot-message .message-bubble blockquote {
  margin: 12px 0;
  padding: 12px 16px;
  border-left: 4px solid var(--accent-primary);
  background-color: var(--bg-tertiary);
  border-radius: 0 var(--radius-small) var(--radius-small) 0;
  font-style: italic;
  color: var(--text-secondary);
}

.bot-message .message-bubble code {
  background-color: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 14px;
  color: var(--accent-primary);
}

.bot-message .message-bubble pre {
  margin: 12px 0;
  padding: 16px;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-small);
  overflow-x: auto;
  border: 1px solid var(--border-color);
  white-space: pre-wrap;
  word-break: break-all;
}

.bot-message .message-bubble pre code {
  background: none;
  padding: 0;
  color: var(--text-primary);
}

/* 强制 text 代码块换行 */
.bot-message .message-bubble pre code.language-text {
  white-space: pre-wrap !important;
  word-break: break-all !important;
}

.bot-message .message-bubble table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
}

.bot-message .message-bubble th,
.bot-message .message-bubble td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.bot-message .message-bubble th {
  background-color: var(--bg-tertiary);
  font-weight: 600;
}

/* 动画 */
@keyframes messageSlideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes typing {
  0%, 80%, 100% {
    transform: scale(0.8);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* 响应式设计 - 优化宽屏适配 */
@media (min-width: 1400px) {
  .app-container {
    max-width: 1400px;
  }
  
  .chat-container {
    padding: 32px;
  }
  
  .welcome-message {
    max-width: 800px;
    padding: 80px 60px;
  }
  
  .feature-list {
    grid-template-columns: repeat(3, 1fr);
    max-width: 700px;
  }
}

@media (max-width: 1200px) {
  .app-container {
    max-width: 1000px;
  }
}

@media (max-width: 768px) {
  body {
    padding: 10px;
  }
  
  .app-container {
    height: calc(100vh - 20px);
    border-radius: var(--radius-medium);
  }
  
  .app-header {
    padding: 0 16px;
    height: 56px;
    border-radius: var(--radius-medium) var(--radius-medium) 0 0;
  }
  
  .logo {
    font-size: 18px;
  }
  
  .logo i {
    font-size: 20px;
  }
  
  .subtitle {
    display: none;
  }
  
  .chat-container {
    padding: 16px;
  }
  
  .welcome-message {
    margin: 40px auto;
    padding: 24px 16px;
  }
  
  .welcome-icon {
    font-size: 48px;
  }
  
  .welcome-message h2 {
    font-size: 24px;
  }
  
  .feature-list {
    gap: 16px;
  }
  
  .feature-item {
    min-width: 100px;
    padding: 12px;
  }
  
  .input-container {
    padding: 16px;
    border-radius: 0 0 var(--radius-medium) var(--radius-medium);
  }
  
  .message {
    gap: 8px;
  }
  
  .message-avatar {
    width: 32px;
    height: 32px;
    font-size: 12px;
  }
  
  .user-message .message-content,
  .bot-message .message-content {
    max-width: 90%;
  }
  
  .message-bubble {
    padding: 10px 14px;
    font-size: 14px;
  }
  
  .modal-content {
    width: 95%;
    margin: 20px;
  }
}

@media (max-width: 480px) {
  body {
    padding: 5px;
  }
  
  .app-container {
    height: calc(100vh - 10px);
    border-radius: var(--radius-small);
  }
  
  .app-header {
    border-radius: var(--radius-small) var(--radius-small) 0 0;
  }
  
  .input-container {
    border-radius: 0 0 var(--radius-small) var(--radius-small);
  }
  
  .header-actions {
    gap: 4px;
  }
  
  .theme-toggle,
  .clear-chat {
    width: 36px;
    height: 36px;
  }
  
  .chat-container {
    padding: 12px;
  }
  
  .input-container {
    padding: 12px;
  }
  
  .input-area {
    padding: 10px;
  }
  
  .message-bubble {
    padding: 8px 12px;
    font-size: 14px;
  }
  
  .user-message .message-content,
  .bot-message .message-content {
    max-width: 85%;
  }
  
  .feature-list {
    flex-direction: column;
    align-items: center;
  }
}

/* 滚动条样式 */
.chat-container::-webkit-scrollbar {
  width: 6px;
}

.chat-container::-webkit-scrollbar-track {
  background: transparent;
}

.chat-container::-webkit-scrollbar-thumb {
  background-color: var(--border-color);
  border-radius: 3px;
}

.chat-container::-webkit-scrollbar-thumb:hover {
  background-color: var(--border-hover);
}

/* 输入框滚动条样式 */
#chat-input::-webkit-scrollbar {
  width: 4px;
}

#chat-input::-webkit-scrollbar-track {
  background: transparent;
}

#chat-input::-webkit-scrollbar-thumb {
  background-color: var(--border-color);
  border-radius: 2px;
}

#chat-input::-webkit-scrollbar-thumb:hover {
  background-color: var(--border-hover);
}

/* 深色模式下的滚动条样式 */
[data-theme="dark"] #chat-input::-webkit-scrollbar-thumb {
  background-color: var(--accent-primary);
  opacity: 0.6;
}

[data-theme="dark"] #chat-input::-webkit-scrollbar-thumb:hover {
  background-color: var(--accent-secondary);
  opacity: 0.8;
}

/* 焦点样式 */
*:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* 减少动画（用户偏好） */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
/* Worker 选择器样式 */
.worker-selector-container {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    padding: 0 10px;
    flex-wrap: wrap;
}

.worker-option {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: var(--radius-medium);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
    font-size: 14px;
}

.worker-option:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--accent-primary);
}

.worker-option input[type="radio"] {
    display: none;
}

.worker-option input[type="radio"]:checked + span {
    color: var(--accent-primary);
    font-weight: 600;
}

.worker-option input[type="radio"]:checked + span::before {
    content: '✓';
    margin-right: 6px;
    font-weight: bold;
}