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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: #f0f2f5;
  color: #333;
}

.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 220px;
  background: #001529;
  color: #fff;
  flex-shrink: 0;
}

.sidebar-header {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: bold;
  background: #002140;
  color: #fff;
}

.sidebar-menu {
  list-style: none;
  padding: 16px 0;
}

.sidebar-menu li {
  padding: 12px 24px;
  cursor: pointer;
  color: rgba(255, 255, 255, 0.75);
  transition: all 0.2s;
}

.sidebar-menu li:hover {
  color: #fff;
  background: #1890ff;
}

.sidebar-menu li.active {
  color: #fff;
  background: #1890ff;
}

.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.header {
  height: 64px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.header-title {
  font-size: 18px;
  font-weight: 500;
}

.header-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logout-btn {
  color: #ff4d4f;
  cursor: pointer;
  font-size: 14px;
}

.content {
  flex: 1;
  padding: 24px;
  overflow: auto;
}

.card {
  background: #fff;
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  margin-bottom: 16px;
}

.btn {
  padding: 8px 20px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
}

.btn-primary {
  background: #1890ff;
  color: #fff;
}

.btn-primary:hover {
  background: #40a9ff;
}

.btn-danger {
  background: #ff4d4f;
  color: #fff;
}

.btn-default {
  background: #fff;
  color: #333;
  border: 1px solid #d9d9d9;
}

.btn-default:hover {
  border-color: #1890ff;
  color: #1890ff;
}

.btn-sm {
  padding: 4px 12px;
  font-size: 12px;
}

.form-row {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.form-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-item label {
  font-size: 14px;
  color: #666;
  white-space: nowrap;
}

.form-item input,
.form-item select {
  padding: 8px 12px;
  border: 1px solid #d9d9d9;
  border-radius: 4px;
  font-size: 14px;
  outline: none;
  min-width: 160px;
}

.form-item input:focus,
.form-item select:focus {
  border-color: #1890ff;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

table th {
  background: #fafafa;
  padding: 12px;
  text-align: left;
  font-weight: 500;
  border-bottom: 1px solid #f0f0f0;
}

table td {
  padding: 12px;
  border-bottom: 1px solid #f0f0f0;
}

table tr:hover {
  background: #fafafa;
}

.action-col {
  display: flex;
  gap: 8px;
}

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
}

.tag-admin {
  background: #f6ffed;
  color: #52c41a;
  border: 1px solid #b7eb8f;
}

.tag-clerk {
  background: #e6f7ff;
  color: #1890ff;
  border: 1px solid #91d5ff;
}

.tag-employee {
  background: #fffbe6;
  color: #faad14;
  border: 1px solid #ffe58f;
}

.modal-mask {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal {
  background: #fff;
  border-radius: 8px;
  padding: 24px;
  min-width: 480px;
  max-width: 90vw;
}

.modal-header {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 20px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 20px;
}

.empty {
  text-align: center;
  padding: 60px 0;
  color: #999;
}

.summary-card {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.summary-item {
  flex: 1;
  background: #fff;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.summary-item .label {
  color: #666;
  font-size: 14px;
  margin-bottom: 8px;
}

.summary-item .value {
  font-size: 28px;
  font-weight: bold;
  color: #1890ff;
}

.hidden {
  display: none !important;
}