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

html, body, #root {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

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

.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-box {
  background: white;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  width: 400px;
}

.dashboard-layout {
  min-height: 100vh;
}

.dashboard-sider {
  background: #001529 !important;
}

.ant-layout-sider-trigger {
  display: none !important;
}

.dashboard-header {
  background: white;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dashboard-content {
  padding: 24px;
  background: #f0f2f5;
  min-height: calc(100vh - 64px);
}

.stat-card {
  background: white;
  padding: 24px;
  border-radius: 8px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.stat-card h3 {
  color: #8c8c8c;
  font-size: 14px;
  margin-bottom: 8px;
}

.stat-card .value {
  color: #262626;
  font-size: 32px;
  font-weight: 600;
}

.stat-card .trend {
  font-size: 12px;
  margin-top: 8px;
}

.stat-card .trend.up {
  color: #52c41a;
}

.stat-card .trend.down {
  color: #ff4d4f;
}

/* Table column resize */
.ant-table-wrapper .ant-table-thead > tr > th {
  position: relative;
}

.resize-handle {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  cursor: col-resize;
  background: transparent;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
}

.resize-handle::before {
  content: '';
  width: 2px;
  height: 20px;
  background: #d9d9d9;
  border-radius: 1px;
}

.resize-handle:hover::before {
  background: #1890ff;
}

/* Table cell fixed width */
.ant-table-wrapper .ant-table-tbody > tr > td {
  max-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}