前后端基本架构和完全excel表的解析及统计图表的生成以及excel表的到出

frontend/src/index.css

@@ -0,0 +1,114 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+@layer base {
+  :root {
+    --background: 210 40% 98%;
+    --foreground: 222.2 84% 4.9%;
+
+    --card: 0 0% 100%;
+    --card-foreground: 222.2 84% 4.9%;
+
+    --popover: 0 0% 100%;
+    --popover-foreground: 222.2 84% 4.9%;
+
+    --primary: 221.2 83.2% 53.3%;
+    --primary-foreground: 210 40% 98%;
+    --primary-glow: 221.2 83.2% 70%;
+
+    --secondary: 210 40% 96.1%;
+    --secondary-foreground: 222.2 47.4% 11.2%;
+
+    --muted: 210 40% 96.1%;
+    --muted-foreground: 215.4 16.3% 46.9%;
+
+    --accent: 210 40% 96.1%;
+    --accent-foreground: 222.2 47.4% 11.2%;
+
+    --destructive: 0 84.2% 60.2%;
+    --destructive-foreground: 210 40% 98%;
+
+    --border: 214.3 31.8% 91.4%;
+    --input: 214.3 31.8% 91.4%;
+    --ring: 221.2 83.2% 53.3%;
+
+    --radius: 0.75rem;
+
+    --sidebar-background: 0 0% 100%;
+    --sidebar-foreground: 240 5.3% 26.1%;
+    --sidebar-primary: 221.2 83.2% 53.3%;
+    --sidebar-primary-foreground: 0 0% 98%;
+    --sidebar-accent: 240 4.8% 95.9%;
+    --sidebar-accent-foreground: 240 5.9% 10%;
+    --sidebar-border: 220 13% 91%;
+    --sidebar-ring: 217.2 91.2% 59.8%;
+    
+    --success: 142 76% 36%;
+    --warning: 38 92% 50%;
+    --info: 214 95% 93%;
+  }
+
+  .dark {
+    --background: 222.2 84% 4.9%;
+    --foreground: 210 40% 98%;
+
+    --card: 222.2 84% 4.9%;
+    --card-foreground: 210 40% 98%;
+
+    --popover: 222.2 84% 4.9%;
+    --popover-foreground: 210 40% 98%;
+
+    --primary: 217.2 91.2% 59.8%;
+    --primary-foreground: 222.2 47.4% 11.2%;
+    --primary-glow: 217.2 91.2% 80%;
+
+    --secondary: 217.2 32.6% 17.5%;
+    --secondary-foreground: 210 40% 98%;
+
+    --muted: 217.2 32.6% 17.5%;
+    --muted-foreground: 215 20.2% 65.1%;
+
+    --accent: 217.2 32.6% 17.5%;
+    --accent-foreground: 210 40% 98%;
+
+    --destructive: 0 62.8% 30.6%;
+    --destructive-foreground: 210 40% 98%;
+
+    --border: 217.2 32.6% 17.5%;
+    --input: 217.2 32.6% 17.5%;
+    --ring: 224.3 76.3% 48%;
+
+    --sidebar-background: 240 5.9% 10%;
+    --sidebar-foreground: 240 4.8% 95.9%;
+    --sidebar-primary: 224.3 76.3% 48%;
+    --sidebar-primary-foreground: 0 0% 100%;
+    --sidebar-accent: 240 3.7% 15.9%;
+    --sidebar-accent-foreground: 240 4.8% 95.9%;
+    --sidebar-border: 240 3.7% 15.9%;
+    --sidebar-ring: 217.2 91.2% 59.8%;
+  }
+}
+
+@layer base {
+  * {
+    @apply border-border;
+  }
+  body {
+    @apply bg-background text-foreground font-sans;
+  }
+}
+
+@layer utilities {
+  .gradient-text {
+    background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--primary-glow)));
+    -webkit-background-clip: text;
+    background-clip: text;
+    -webkit-text-fill-color: transparent;
+    color: transparent;
+  }
+
+  .glass-card {
+    @apply bg-card/80 backdrop-blur-md border border-white/10 shadow-lg;
+  }
+}