/**
 * 前端用户系统样式文件
 */

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: #333;
  background: #f5f7fa;
}

/* 登录页面 */
.login-page {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-container {
  background: white;
  border-radius: 10px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  width: 100%;
  max-width: 400px;
  padding: 40px;
}

.login-header {
  text-align: center;
  margin-bottom: 30px;
}

.login-header h1 {
  color: #333;
  font-size: 24px;
  margin-bottom: 10px;
}

.login-header p {
  color: #666;
  font-size: 14px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  color: #333;
  font-size: 14px;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group input {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 14px;
  transition: border-color 0.3s;
}

.form-group input:focus {
  outline: none;
  border-color: #667eea;
}

.error-message {
  background: #fee;
  color: #c33;
  padding: 12px;
  border-radius: 5px;
  margin-bottom: 20px;
  font-size: 14px;
  text-align: center;
}

.btn-login {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.2s;
}

.btn-login:hover {
  transform: translateY(-2px);
}

.login-footer {
  text-align: center;
  margin-top: 20px;
  color: #666;
  font-size: 12px;
}

.login-footer a {
  color: #667eea;
  text-decoration: none;
}

.login-footer a:hover {
  text-decoration: underline;
}

/* 前端布局 */
.frontend-layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 顶部头部 */
.top-header {
  background: white;
  padding: 15px 30px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-left h2 {
  font-size: 20px;
  color: #667eea;
}

.header-nav {
  display: flex;
  gap: 20px;
}

.header-nav a {
  color: #666;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 4px;
  transition: all 0.3s;
}

.header-nav a:hover {
  background: #f0f0f0;
  color: #333;
}

.header-nav a.active {
  background: #667eea;
  color: white;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 15px;
}

.user-name {
  color: #666;
  font-size: 14px;
}

.btn-logout {
  padding: 6px 16px;
  background: #ff6b6b;
  color: white;
  text-decoration: none;
  border-radius: 4px;
  font-size: 14px;
  transition: background 0.3s;
}

.btn-logout:hover {
  background: #ff5252;
}

/* 内容区 */
.content {
  flex: 1;
  padding: 30px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

/* 底部 */
.footer {
  background: white;
  padding: 20px 30px;
  text-align: center;
  color: #999;
  font-size: 12px;
  border-top: 1px solid #eee;
}

/* 仪表板 */
.dashboard h1 {
  font-size: 28px;
  margin-bottom: 30px;
  color: #333;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.stat-card {
  background: white;
  border-radius: 10px;
  padding: 25px;
  display: flex;
  align-items: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.stat-icon {
  width: 60px;
  height: 60px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-right: 20px;
}

.stat-info {
  flex: 1;
}

.stat-value {
  font-size: 32px;
  font-weight: bold;
  color: #333;
  margin-bottom: 5px;
}

.stat-label {
  font-size: 14px;
  color: #999;
}

/* 快捷操作 */
.quick-actions {
  background: white;
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.quick-actions h2 {
  font-size: 20px;
  margin-bottom: 20px;
  color: #333;
}

.action-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
}

.action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 30px 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-decoration: none;
  border-radius: 10px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.action-btn:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(102, 126, 234, 0.3);
}

.action-icon {
  font-size: 48px;
  margin-bottom: 10px;
}

.action-text {
  font-size: 16px;
  font-weight: 500;
}

/* 数据表格 */
.data-container {
  background: white;
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table thead {
  background: #f8f9fa;
}

.data-table th {
  padding: 12px;
  text-align: left;
  font-weight: 600;
  color: #666;
  border-bottom: 2px solid #dee2e6;
}

.data-table td {
  padding: 12px;
  border-bottom: 1px solid #dee2e6;
}

.data-table tbody tr:hover {
  background: #f8f9fa;
}

/* 按钮 */
.btn {
  display: inline-block;
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
}

.btn-primary {
  background: #667eea;
  color: white;
}

.btn-primary:hover {
  background: #5568d3;
}

.btn-success {
  background: #43e97b;
  color: white;
}

.btn-success:hover {
  background: #38d170;
}

.btn-danger {
  background: #ff6b6b;
  color: white;
}

.btn-danger:hover {
  background: #ff5252;
}

.btn-info {
  background: #4facfe;
  color: white;
}

.btn-info:hover {
  background: #3b9cef;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

/* 状态徽章 */
.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.status-pending {
  background: #fff3cd;
  color: #856404;
}

.status-approved {
  background: #d4edda;
  color: #155724;
}

.status-rejected {
  background: #f8d7da;
  color: #721c24;
}

.status-shipped {
  background: #d1ecf1;
  color: #0c5460;
}

.status-completed {
  background: #d4edda;
  color: #155724;
}

.status-cancelled {
  background: #f8d7da;
  color: #721c24;
}

/* 响应式 */
@media (max-width: 768px) {
  .top-header {
    flex-direction: column;
    gap: 15px;
  }
  
  .header-nav {
    width: 100%;
    justify-content: center;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .action-buttons {
    grid-template-columns: 1fr;
  }
}