/* 全局样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f5f5f5;
  color: #333;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* 主色调 - 绿色 */
:root {
  --primary-color: #4CAF50;
  --primary-dark: #388E3C;
  --primary-light: #C8E6C9;
  --secondary-color: #2E7D32;
  --text-color: #333;
  --light-color: #f5f5f5;
  --dark-color: #212121;
  --border-color: #ddd;
  --success-color: #4CAF50;
  --error-color: #f44336;
}

/* 按钮样式 */
.btn {
  display: inline-block;
  padding: 10px 20px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  font-size: 16px;
  transition: background-color 0.3s;
}

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

.btn-secondary {
  background-color: #6c757d;
}

.btn-secondary:hover {
  background-color: #5a6268;
}

.btn-danger {
  background-color: var(--error-color);
}

.btn-danger:hover {
  background-color: #d32f2f;
}

/* 表单样式 */
.form-group {
  margin-bottom: 20px;
}

.form-control {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 16px;
  transition: border-color 0.3s;
}

.form-control:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

/* 卡片样式 */
.card {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 20px;
  margin-bottom: 20px;
}

.card-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
  margin-bottom: 15px;
}

/* 导航栏 */
.navbar {
  background-color: white;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  padding: 15px 0;
  margin-bottom: 30px;
}

.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}

.navbar-brand {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
}

.navbar-nav {
  display: flex;
  list-style: none;
}

.nav-item {
  margin-left: 20px;
}

.nav-link {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: color 0.3s;
}

.nav-link:hover {
  color: var(--primary-color);
}

/* 消息提示 */
.alert {
  padding: 15px;
  border-radius: 4px;
  margin-bottom: 20px;
}

.alert-success {
  background-color: var(--primary-light);
  color: var(--success-color);
  border: 1px solid var(--success-color);
}

.alert-error {
  background-color: #ffebee;
  color: var(--error-color);
  border: 1px solid var(--error-color);
}

/* 文件列表 */
.file-list {
  list-style: none;
}

.file-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
  border-bottom: 1px solid var(--border-color);
}

.file-item:last-child {
  border-bottom: none;
}

.file-info h3 {
  margin-bottom: 5px;
}

.file-meta {
  font-size: 14px;
  color: #666;
}

.file-actions {
  display: flex;
  gap: 10px;
}

/* 详情页 */
.detail-section {
  margin-bottom: 20px;
}

.detail-section h3 {
  margin-bottom: 10px;
  color: var(--primary-color);
}

.detail-info {
  background-color: var(--primary-light);
  padding: 15px;
  border-radius: 4px;
  margin-bottom: 10px;
  overflow-wrap: break-word; /* 允许在单词内换行 */
  word-break: break-all;     /* 允许在任意字符间断行 */
  max-width: 100%;           /* 确保不超过容器宽度 */
}

.detail-info p {
  margin-bottom: 5px;
}

/* 链接样式 */
.link {
  color: var(--primary-color);
  text-decoration: none;
}

.link:hover {
  text-decoration: underline;
}

/* 返回链接 */
.back-link {
  display: inline-block;
  margin-bottom: 20px;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
}

.back-link:hover {
  text-decoration: underline;
}

/* 搜索框 */
.search-box {
  margin-bottom: 20px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .container {
    padding: 10px;
  }
  
  .navbar-container {
    flex-direction: column;
    gap: 10px;
  }
  
  .navbar-nav {
    margin-top: 10px;
  }
  
  .file-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  
  .file-actions {
    width: 100%;
    justify-content: flex-end;
  }
}