@import "tailwindcss";

:root {
  --background: #ffffff;
  --foreground: #171717;
  --sidebar-bg: #f5f5f5;
  --chat-bg: #ffffff;
  --message-input-bg: #f9f9f9;
  --message-user-bg: #667eea;
  --message-bot-bg: #f5f5f5;
  --border-color: #e0e0e0;
  --primary-color: #667eea;
  --primary-color-dark: #5a67d8;
}

@theme inline {
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --font-sans: var(--font-geist-sans);
  --font-mono: var(--font-geist-mono);
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #0a0a0a;
    --foreground: #ededed;
    --sidebar-bg: #1a1a1a;
    --chat-bg: #0a0a0a;
    --message-input-bg: #1e1e1e;
    --message-user-bg: #4338ca;
    --message-bot-bg: #1e1e1e;
    --border-color: #333333;
    --primary-color: #6366f1;
    --primary-color-dark: #4f46e5;
  }
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--background);
  color: var(--foreground);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

/* 聊天界面容器 */
.chat-interface {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-width: 1200px;
  margin: 0 auto;
  background-color: var(--chat-bg);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

/* 顶部导航 */
.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--primary-color) 0%, #764ba2 100%);
  color: white;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header-left h1 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.header-left p {
  font-size: 0.9rem;
  opacity: 0.9;
}

.header-right .config-btn {
  background-color: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.header-right .config-btn:hover {
  background-color: rgba(255, 255, 255, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

/* 侧边栏 - 保留原有侧边栏样式但降低优先级 */
.sidebar {
  background-color: var(--sidebar-bg);
  border-right: 1px solid var(--border-color);
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.chat-container {
  background-color: var(--chat-bg);
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.message-input-container {
  background-color: var(--message-input-bg);
  border-top: 1px solid var(--border-color);
  padding: 10px 20px;
}

.message-user {
  background-color: var(--message-user-bg);
  border-radius: 18px 18px 0 18px;
  align-self: flex-end;
  max-width: 70%;
}

.message-bot {
  background-color: var(--message-bot-bg);
  border-radius: 18px 18px 18px 0;
  align-self: flex-start;
  max-width: 70%;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
}

.scrollbar-thin::-webkit-scrollbar {
  width: 4px;
}

.scrollbar-thin::-webkit-scrollbar-track {
  background: transparent;
}

.scrollbar-thin::-webkit-scrollbar-thumb {
  background-color: rgba(156, 163, 175, 0.5);
  border-radius: 20px;
}

.scrollbar-thin::-webkit-scrollbar-thumb:hover {
  background-color: rgba(156, 163, 175, 0.8);
}

/* 聊天内容区 - 覆盖原有样式 */
.chat-interface .chat-container {
  flex: 1;
  overflow-y: auto;
  padding: 2rem;
  background-color: var(--chat-bg);
  scroll-behavior: smooth;
  height: auto;
  display: block;
}

/* 消息样式 */
.message {
  display: flex;
  margin-bottom: 1.5rem;
  animation: fadeIn 0.3s ease-in-out;
}

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

.user-message {
  justify-content: flex-end;
  align-self: flex-end;
}

.bot-message {
  justify-content: flex-start;
  align-self: flex-start;
}

.message-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: #e0e0e0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin: 0 10px;
  flex-shrink: 0;
}

.user-message .message-avatar {
  background-color: var(--message-user-bg);
  color: white;
}

.bot-message .message-avatar {
  background-color: var(--primary-color);
  color: white;
}

.message-content {
  max-width: 70%;
  padding: 1rem;
  border-radius: 12px;
  position: relative;
  word-wrap: break-word;
}

.user-message .message-content {
  background-color: var(--message-user-bg);
  color: white;
  border-bottom-right-radius: 4px;
}

.bot-message .message-content {
  background-color: var(--message-bot-bg);
  color: var(--foreground);
  border: 1px solid var(--border-color);
  border-bottom-left-radius: 4px;
}

.message-content p {
  margin-bottom: 0.5rem;
  white-space: pre-wrap;
  line-height: 1.5;
}

.message-time {
  font-size: 0.75rem;
  opacity: 0.7;
  display: block;
  text-align: right;
}

.user-message .message-time {
  color: rgba(255, 255, 255, 0.8);
}

.bot-message .message-time {
  color: rgba(156, 163, 175, 0.8);
}

/* 输入区 */
.chat-input-area {
  display: flex;
  padding: 1.5rem 2rem;
  background-color: var(--chat-bg);
  border-top: 1px solid var(--border-color);
  gap: 1rem;
}

.chat-input-area textarea {
  flex: 1;
  min-height: 60px;
  max-height: 120px;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  resize: none;
  transition: border-color 0.3s ease;
  background-color: var(--message-input-bg);
  color: var(--foreground);
}

.chat-input-area textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.chat-input-area textarea:disabled {
  background-color: #f5f5f5;
  cursor: not-allowed;
  opacity: 0.6;
}

.chat-input-area button {
  padding: 0.75rem 2rem;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  min-width: 80px;
}

.chat-input-area button:hover:not(:disabled) {
  background-color: var(--primary-color-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(90, 103, 216, 0.2);
}

.chat-input-area button:active:not(:disabled) {
  transform: translateY(0);
}

.chat-input-area button:disabled {
  background-color: #ccc;
  cursor: not-allowed;
}

/* 配置表单覆盖层 */
.config-form-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.3s ease;
}

/* 配置表单 */
.config-form {
  background-color: var(--chat-bg);
  border-radius: 12px;
  padding: 2rem;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  animation: slideIn 0.3s ease;
}

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

.config-form h2 {
  margin-bottom: 1.5rem;
  color: var(--foreground);
  text-align: center;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--foreground);
}

.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
  background-color: var(--message-input-bg);
  color: var(--foreground);
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-color);
}

.submit-btn {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

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

/* 打字动画 */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: 4px;
}

.typing-indicator span {
  width: 8px;
  height: 8px;
  background-color: #999;
  border-radius: 50%;
  animation: typing 1.4s infinite ease-in-out both;
}

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

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

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

/* 响应式设计 */
@media (max-width: 768px) {
  .chat-interface {
    max-width: 100%;
  }
  
  .chat-header {
    padding: 1rem;
  }
  
  .header-left h1 {
    font-size: 1.25rem;
  }
  
  .chat-interface .chat-container {
    padding: 1rem;
  }
  
  .message-content {
    max-width: 85%;
    padding: 0.75rem;
  }
  
  .chat-input-area {
    padding: 1rem;
  }
  
  .config-form {
    margin: 1rem;
  }
}