:root {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: #1f2937;
  background: #f5f7fa;
}

* {
  box-sizing: border-box;
}

html,
body,
#root {
  height: 100%;
  margin: 0;
  padding: 0;
}

.app {
  height: 100vh;
  min-height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: row;
}

.app-sider {
  height: 100vh !important;
  position: sticky !important;
  top: 0;
  left: 0;
  overflow: hidden;
  flex-shrink: 0;
  z-index: 100;
  box-shadow: 2px 0 8px rgba(0, 0, 0, 0.12);
}

.app-sider .ant-layout-sider-children {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
}

.app-sider .ant-layout-sider-children::-webkit-scrollbar {
  width: 4px;
}
.app-sider .ant-layout-sider-children::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
}
.app-sider .ant-layout-sider-children::-webkit-scrollbar-track {
  background: transparent;
}

.brand {
  height: 64px;
  line-height: 64px;
  padding: 0 20px;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.app-layout {
  height: 100vh;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
  background: #f5f7fa;
}

.header {
  flex-shrink: 0;
  height: 64px;
  line-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fff;
  padding: 0 24px;
  border-bottom: 1px solid #edf0f5;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
  z-index: 99;
}

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

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 8px;
}

.app-content {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  background: #f5f7fa;
}

.app-content::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
.app-content::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 3px;
}
.app-content::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}
.app-content::-webkit-scrollbar-track {
  background: transparent;
}

.page {
  width: 100%;
  padding: 24px;
}

/* AntD Table Typography & Layout Tweaks */
.ant-table-cell {
  vertical-align: middle !important;
}

.ant-typography-copy {
  display: inline-flex !important;
  align-items: center !important;
  vertical-align: middle !important;
  margin-inline-start: 4px !important;
  flex-shrink: 0 !important;
}

.ant-typography {
  word-break: keep-all;
}

.mono-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace !important;
  white-space: nowrap !important;
  word-break: keep-all !important;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  width: 100%;
}

/* Login Page Styles */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 420px;
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  background: #ffffff;
  padding: 12px 8px;
}

.login-header {
  text-align: center;
  margin-bottom: 28px;
}

.login-logo {
  width: 56px;
  height: 56px;
  margin: 0 auto 8px;
  background: #e6f4ff;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-footer {
  text-align: center;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid #f0f0f0;
}

@media (max-width: 720px) {
  .page {
    padding: 16px;
  }
  .stats {
    grid-template-columns: 1fr;
  }
  .header {
    padding: 0 12px;
  }
}