first commit

frontend/src/index.css

@@ -0,0 +1,79 @@
+* {
+  margin: 0;
+  padding: 0;
+  box-sizing: border-box;
+}
+
+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;
+}
+
+.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;
+}