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

body {
  font-family: 'Microsoft YaHei', '微软雅黑', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f5f7fa;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* 标题和文本 */
h1, h2, h3, h4 {
  color: #2c3e50;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

/* 头部样式 */
header {
  background-color: #2c3e50;
  color: #ecf0f1;
  padding: 1rem 0;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

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

header h1 {
  color: #ecf0f1;
  margin: 0;
  font-size: 1.8rem;
}

nav a {
  color: #ecf0f1;
  text-decoration: none;
  margin-left: 1.5rem;
  font-weight: 600;
  transition: color 0.3s;
}

nav a:hover {
  color: #3498db;
}

/* 主内容区 */
main {
  padding: 2rem 0;
  min-height: calc(100vh - 120px);
}

/* 欢迎区域 */
.welcome-section {
  text-align: center;
  margin-bottom: 2rem;
  background-color: #fff;
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* 卡片样式 */
.info-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.card {
  background-color: #fff;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* 按钮样式 */
.btn {
  display: inline-block;
  background-color: #3498db;
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  transition: background-color 0.3s;
}

.btn:hover {
  background-color: #2980b9;
}

/* 心愿列表样式 */
.wish-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.wish-item {
  background-color: #fff;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.wish-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #ecf0f1;
}

.user-info {
  display: flex;
  align-items: center;
}

.avatar, .avatar-placeholder {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  margin-right: 0.8rem;
}

.avatar-placeholder {
  background-color: #3498db;
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: bold;
}

.nickname {
  font-weight: 600;
}

.time-ago {
  color: #7f8c8d;
  font-size: 0.9rem;
}

.wish-content {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.model-response {
  background-color: #f5f7fa;
  padding: 1rem;
  border-radius: 8px;
  border-left: 4px solid #2ecc71;
}

.model-response.pending {
  border-left-color: #f39c12;
  color: #7f8c8d;
}

.model-response h4 {
  color: #2c3e50;
  margin-bottom: 0.5rem;
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 3rem;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* 错误页面 */
.error-container {
  text-align: center;
  max-width: 600px;
  margin: 2rem auto;
  background-color: #fff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.error-message {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.error-status {
  color: #e74c3c;
  margin-bottom: 1.5rem;
}

.error-stack {
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
  text-align: left;
  overflow: auto;
}

.error-stack pre {
  background-color: #f5f7fa;
  padding: 1rem;
  border-radius: 4px;
  font-size: 0.9rem;
}

/* 页脚 */
footer {
  background-color: #2c3e50;
  color: #ecf0f1;
  padding: 1rem 0;
  text-align: center;
}

/* 响应式 */
@media (max-width: 768px) {
  header .container {
    flex-direction: column;
    text-align: center;
  }
  
  header h1 {
    margin-bottom: 1rem;
  }
  
  nav a {
    margin: 0 0.7rem;
  }
}