ui iniziale fatta con gemini

lib/theme.dart

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+// lib/theme.dart
+import 'package:flutter/material.dart';
+import 'package:google_fonts/google_fonts.dart';
+
+class FluxColors {
+  // Palette Tech Dark da loghi generati
+  static const Color background = Color(0xFF0A0E17); // Nero profondo/Blu scuro
+  static const Color surface = Color(0xFF161B22); // Pannelli scuri
+  static const Color primaryBlue = Color(0xFF007BFF); // Blu Elettrico del logo
+  static const Color accentTurquoise = Color(0xFF17A2B8); // Turchese del flusso
+  static const Color textPrimary = Colors.white;
+  static const Color textSecondary = Color(0xFF8B949E); // Grigio fumo
+}
+
+ThemeData fluxDarkTheme = ThemeData(
+  useMaterial3: true,
+  brightness: Brightness.dark,
+  primaryColor: FluxColors.primaryBlue,
+  scaffoldBackgroundColor: FluxColors.background,
+  colorScheme: const ColorScheme.dark(
+    primary: FluxColors.primaryBlue,
+    secondary: FluxColors.accentTurquoise,
+    surface: FluxColors.surface,
+    background: FluxColors.background,
+    onPrimary: Colors.white,
+    onSurface: FluxColors.textPrimary,
+  ),
+
+  // Font moderno sans-serif (es. Montserrat o Poppins coerente con descrizione)
+  textTheme: GoogleFonts.poppinsTextTheme(ThemeData.dark().textTheme).copyWith(
+    headlineMedium: GoogleFonts.poppins(
+      color: FluxColors.textPrimary,
+      fontWeight: FontWeight.w600,
+      letterSpacing: 0.5,
+    ),
+    titleLarge: GoogleFonts.poppins(
+      color: FluxColors.textPrimary,
+      fontWeight: FontWeight.w500,
+    ),
+    bodyMedium: GoogleFonts.poppins(color: FluxColors.textSecondary),
+  ),
+
+  appBarTheme: const AppBarTheme(
+    backgroundColor: FluxColors.background,
+    elevation: 0,
+    centerTitle: false,
+    titleTextStyle: TextStyle(
+      color: FluxColors.textPrimary,
+      fontSize: 20,
+      fontWeight: FontWeight.w600,
+    ),
+  ),
+
+  cardTheme: const CardThemeData(
+    color: FluxColors.surface,
+    elevation: 2,
+    margin: EdgeInsets.all(8),
+    shape: RoundedRectangleBorder(
+      borderRadius: BorderRadius.all(Radius.circular(12)),
+    ),
+  ),
+
+  // Stile per i pulsanti (es. "Nuova Operazione")
+  elevatedButtonTheme: ElevatedButtonThemeData(
+    style: ElevatedButton.styleFrom(
+      backgroundColor: FluxColors.primaryBlue,
+      foregroundColor: Colors.white,
+      padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
+      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
+      textStyle: GoogleFonts.poppins(fontWeight: FontWeight.w500),
+    ),
+  ),
+);