number/frontend/src/styles/index.scss

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

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  color: #333;
  background-color: #f5f7fa;
}

a {
  text-decoration: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  vertical-align: middle;
}

button {
  cursor: pointer;
  border: none;
  outline: none;
}

input, textarea {
  outline: none;
  border: none;
}

.clearfix::after {
  content: '';
  display: table;
  clear: both;
}

.text-ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.text-ellipsis-2 {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.text-ellipsis-3 {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.flex-wrap {
  flex-wrap: wrap;
}

.primary-color {
  color: #409eff;
}

.success-color {
  color: #67c23a;
}

.warning-color {
  color: #e6a23c;
}

.danger-color {
  color: #f56c6c;
}

.info-color {
  color: #909399;
}

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

.card {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

.section-title {
  font-size: 18px;
  font-weight: 600;
  color: #333;
  margin-bottom: 16px;
  padding-left: 12px;
  border-left: 3px solid #409eff;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: #909399;
}

.empty-state .el-empty {
  padding: 20px 0;
}

.pagination-wrapper {
  display: flex;
  justify-content: center;
  margin-top: 20px;
  padding: 20px 0;
}

.fade-enter-active,
.fade-leave-active {
  transition: opacity 0.3s ease;
}

.fade-enter-from,
.fade-leave-to {
  opacity: 0;
}

.slide-fade-enter-active {
  transition: all 0.3s ease-out;
}

.slide-fade-leave-active {
  transition: all 0.2s cubic-bezier(1, 0.5, 0.8, 1);
}

.slide-fade-enter-from,
.slide-fade-leave-to {
  transform: translateX(20px);
  opacity: 0;
}

.el-button--primary {
  --el-button-bg-color: #409eff;
  --el-button-border-color: #409eff;
}

.el-button--success {
  --el-button-bg-color: #67c23a;
  --el-button-border-color: #67c23a;
}

.el-button--warning {
  --el-button-bg-color: #e6a23c;
  --el-button-border-color: #e6a23c;
}

.el-button--danger {
  --el-button-bg-color: #f56c6c;
  --el-button-border-color: #f56c6c;
}

.el-tag--success {
  --el-tag-bg-color: #f0f9eb;
  --el-tag-border-color: #e1f3d8;
  --el-tag-text-color: #67c23a;
}

.el-tag--warning {
  --el-tag-bg-color: #fdf6ec;
  --el-tag-border-color: #faecd8;
  --el-tag-text-color: #e6a23c;
}

.el-tag--danger {
  --el-tag-bg-color: #fef0f0;
  --el-tag-border-color: #fde2e2;
  --el-tag-text-color: #f56c6c;
}

.el-tag--info {
  --el-tag-bg-color: #f4f4f5;
  --el-tag-border-color: #e9e9eb;
  --el-tag-text-color: #909399;
}

@media (max-width: 768px) {
  .page-container {
    padding: 10px;
  }

  .section-title {
    font-size: 16px;
  }
}