:root {
  --primary-color: #1976d2;
  --primary-light: #63a4ff;
  --primary-dark: #004ba0;
  --secondary-color: #f5f5f5;
  --text-color: #333;
  --text-light: #666;
  --border-color: #e0e0e0;
  --success-color: #4caf50;
  --warning-color: #ff9800;
  --danger-color: #f44336;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: #f9f9f9;
}

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

/* 导航栏样式 */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background-color: var(--primary-color);
  color: white;
}

.nav-brand {
  display: flex;
  align-items: center;
}

.brand-link {
  color: white;
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: bold;
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 2rem;
}

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

.nav-link:hover {
  color: rgba(255, 255, 255, 0.8);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background-color: white;
  position: relative;
  transition: background-color 0.3s;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: white;
  transition: transform 0.3s;
}

.hamburger::before {
  top: -6px;
}

.hamburger::after {
  bottom: -6px;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
    width: 100%;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--primary-color);
    padding: 1rem;
  }

  .nav-menu.active {
    display: block;
  }

  .nav-links {
    flex-direction: column;
    gap: 1rem;
  }

  .nav-toggle {
    display: block;
  }

  .nav-toggle.active .hamburger {
    background-color: transparent;
  }

  .nav-toggle.active .hamburger::before {
    transform: rotate(45deg) translate(4px, 4px);
  }

  .nav-toggle.active .hamburger::after {
    transform: rotate(-45deg) translate(4px, -4px);
  }
}

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

/* 卡片样式 */
.card {
  background-color: white;
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 500;
}

/* 表格样式 */
.table-container {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}

th, td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  background-color: var(--secondary-color);
  font-weight: 500;
}

tr:hover {
  background-color: rgba(0, 0, 0, 0.02);
}

/* 按钮样式 */
.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
}

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

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

.btn-secondary {
  background-color: var(--secondary-color);
  color: var(--text-color);
}

.btn-secondary:hover {
  background-color: #e0e0e0;
}

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

.btn-success:hover {
  background-color: #3d8b40;
}

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

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

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}

/* 表单样式 */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-control {
  display: block;
  width: 100%;
  padding: 0.5rem;
  font-size: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  transition: border-color 0.3s;
}

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

/* 搜索框 */
.search-container {
  margin-bottom: 1.5rem;
}

.search-box {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.search-box select {
  min-width: 150px;
  max-width: 200px;
}

.search-input {
  flex: 1;
  min-width: 200px;
}

/* 标签样式 */
.tag {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.875rem;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
  background-color: var(--primary-light);
  color: white;
}

/* 页脚样式 */
footer {
  background-color: var(--secondary-color);
  padding: 1rem 0;
  text-align: center;
  color: var(--text-light);
}

/* 响应式设计 */
@media (max-width: 768px) {
  nav {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .nav-links {
    margin-top: 1rem;
    flex-direction: column;
  }
  
  .nav-links li {
    margin-left: 0;
    margin-bottom: 0.5rem;
  }
  .auth-links {
        margin-top: 10px;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .card-header button {
        margin-top: 10px;
    }

    .search-box {
        flex-direction: column;
    }
}
/* 在现有样式的基础上添加以下内容 */

/* 导航栏右侧认证链接样式 */
.auth-links {
  display: flex;
  align-items: center;
}

.auth-links a, .auth-links button {
  color: white;
  text-decoration: none;
  margin-left: 1rem;
  font-weight: 500;
}

.auth-links button {
  background: transparent;
  border: 1px solid white;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s;
}

.auth-links button:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* 特权模式标识样式 */
.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: bold;
  border-radius: 10px;
  margin-right: 0.5rem;
}

.badge-warning {
  background-color: var(--warning-color);
  color: white;
}

/* 消息提示样式 */
.message {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 15px;
  border-radius: 4px;
  color: white;
  z-index: 1001;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.message-info {
  background-color: var(--primary-color);
}

.message-success {
  background-color: var(--success-color);
}

.message-warning {
  background-color: var(--warning-color);
  color: white;
}

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

/* 警告框样式 */
.alert {
  padding: 12px;
  margin-bottom: 15px;
  border-radius: 4px;
}

.alert-danger {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.alert-success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

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

.modal-content {
  background-color: white;
  margin: 10% auto;
  padding: 20px;
  border-radius: 4px;
  width: 80%;
  max-width: 500px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
  margin-bottom: 15px;
}

.modal-header h2 {
  margin: 0;
  font-size: 1.25rem;
}

.close {
  color: var(--text-light);
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
}

.close:hover {
  color: var(--text-color);
}

/* 响应式设计补充 */
@media (max-width: 768px) {
  .auth-links {
    margin-top: 1rem;
    align-self: flex-start;
  }
  
  .auth-links a, .auth-links button {
    margin-left: 0;
    margin-right: 1rem;
  }
}