/* Personal.css - 现代化设计 */
.personal-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 25px;
  font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  animation: fadeIn 0.5s ease-out forwards;
}

/* 返回按钮 - 渐变风格 */
.back-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
  color: white;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  margin-bottom: 30px;
  box-shadow: 0 2px 8px rgba(30, 60, 114, 0.2);
}

.back-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(30, 60, 114, 0.3);
}

.back-button::before {
  content: "←";
}

/* 用户资料卡片 - 3D效果 */
.profile-card {
  background: white;
  border-radius: 12px;
  padding: 25px;
  margin-bottom: 25px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.profile-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
}

.profile-header {
  display: flex;
  align-items: center;
  margin-bottom: 25px;
}

.profile-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin-right: 25px;
  object-fit: cover;
  border: 4px solid rgba(30, 60, 114, 0.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s;
}

.profile-avatar:hover {
  transform: scale(1.05);
}

.username {
  font-size: 28px;
  margin: 0 0 10px;
  background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

.user-meta {
  display: flex;
  gap: 20px;
}

.user-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 15px;
  color: #666;
}

.user-meta span:last-child {
  color: #ff9800;
  font-weight: bold;
}

/* 统计数据网格 - 卡片式设计 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stat-item {
  background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  transition: transform 0.3s;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
}

.stat-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}

.stat-label {
  font-size: 15px;
  color: #666;
  margin-bottom: 10px;
}

.stat-value {
  font-size: 22px;
  font-weight: 700;
  color: #1e3c72;
}

/* 下载额度卡片 - 渐变色 */
.quota-card {
  background: white;
  border-radius: 12px;
  padding: 25px;
  margin-bottom: 25px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.quota-card h3 {
  margin-top: 0;
  margin-bottom: 20px;
  color: #1e3c72;
  font-size: 20px;
}

.quota-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 15px;
  font-size: 15px;
}

.quota-used {
  color: #ff4d4f;
  font-weight: 600;
}

.quota-remaining {
  color: #52c41a;
  font-weight: 600;
}

.progress-bar {
  height: 12px;
  background: #f0f2f5;
  border-radius: 6px;
  margin-bottom: 15px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 6px;
  transition: width 0.5s ease;
}

.quota-total {
  text-align: right;
  color: #666;
  font-size: 14px;
}

/* 下载进度卡片 */
.progress-card {
  background: white;
  border-radius: 12px;
  padding: 25px;
  margin-bottom: 25px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.progress-card h3 {
  margin-top: 0;
  margin-bottom: 20px;
  color: #1e3c72;
  font-size: 20px;
}

.download-task {
  margin-bottom: 20px;
}

.task-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.task-id {
  font-size: 15px;
  color: #666;
}

.task-progress {
  font-size: 15px;
  font-weight: 600;
  color: #1890ff;
}

/* 功能卡片区 - 网格布局 */
.action-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.action-card {
  background: white;
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  transition: all 0.3s;
  border: 1px solid rgba(30, 60, 114, 0.1);
  text-align: center;
}

.action-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
  border-color: rgba(30, 60, 114, 0.2);
}

.action-card h3 {
  margin-top: 0;
  margin-bottom: 15px;
  color: #1e3c72;
  font-size: 20px;
}

.action-card p {
  color: #666;
  margin-bottom: 0;
  font-size: 15px;
}

/* 子页面容器 */
.subpage-container {
  margin-top: 30px;
  border-top: 2px solid #f0f2f5;
  padding-top: 30px;
}

/* 加载和错误状态 */
.loading, .error {
  text-align: center;
  padding: 50px;
  font-size: 18px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  margin: 20px 0;
}

.error {
  color: #ff4d4f;
}

/* 动画效果 */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .personal-container {
    padding: 15px;
  }
  
  .profile-header {
    flex-direction: column;
    text-align: center;
  }
  
  .profile-avatar {
    margin-right: 0;
    margin-bottom: 15px;
  }
  
  .user-meta {
    justify-content: center;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .action-cards {
    grid-template-columns: 1fr;
  }
}