adding dynamic hero text header

scroll not working for recursos
removing firebase hard-dependency
2025-09-12 21:36:04 -03:00 · 2025-09-12 21:30:30 -03:00 · 2025-09-12 21:27:05 -03:00 · 2025-09-12 21:26:58 -03:00 · 2025-07-11 22:32:45 -03:00 · 2025-06-30 09:37:23 -03:00
38 changed files with 1811 additions and 276 deletions
--- a/.env.example
+++ b/.env.example
@@ -1,3 +1,11 @@
 # OpenCand API Configuration
 # The base URL for the OpenCand API
 VITE_API_BASE_URL=https://api.example.com
+
+VITE_FIREBASE_API_KEY="your_api_key"
+VITE_FIREBASE_AUTH_DOMAIN="your_auth_domain"
+VITE_FIREBASE_PROJECT_ID="your_project_id"
+VITE_FIREBASE_STORAGE_BUCKET="your_storage_bucket"
+VITE_FIREBASE_MESSAGING_SENDER_ID="your_messaging_sender_id"
+VITE_FIREBASE_APP_ID="your_app_id"
+VITE_FIREBASE_MEASUREMENT_ID="your_measurement_id"
--- a/.gitea/workflows/deploy-prod.yaml
+++ b/.gitea/workflows/deploy-prod.yaml
@@ -32,9 +32,15 @@ jobs:

          docker build \
            --build-arg VITE_API_BASE_URL="https://api.opencand.ivanch.me" \
+            --build-arg VITE_FIREBASE_API_KEY="${{ secrets.VITE_FIREBASE_API_KEY }}" \
+            --build-arg VITE_FIREBASE_AUTH_DOMAIN="${{ secrets.VITE_FIREBASE_AUTH_DOMAIN }}" \
+            --build-arg VITE_FIREBASE_PROJECT_ID="${{ secrets.VITE_FIREBASE_PROJECT_ID }}" \
+            --build-arg VITE_FIREBASE_STORAGE_BUCKET="${{ secrets.VITE_FIREBASE_STORAGE_BUCKET }}" \
+            --build-arg VITE_FIREBASE_MESSAGING_SENDER_ID="${{ secrets.VITE_FIREBASE_MESSAGING_SENDER_ID }}" \
+            --build-arg VITE_FIREBASE_APP_ID="${{ secrets.VITE_FIREBASE_APP_ID }}" \
+            --build-arg VITE_FIREBASE_MEASUREMENT_ID="${{ secrets.VITE_FIREBASE_MEASUREMENT_ID }}" \
            --file OpenCand.UI.dockerfile \
-            -t "${{ env.IMAGE_FRONTEND }}:${TAG}" \
-            .
+            -t "${{ env.IMAGE_FRONTEND }}:${TAG}" .

          docker push "${{ env.IMAGE_FRONTEND }}:${TAG}"

--- a/OpenCand.UI.dockerfile
+++ b/OpenCand.UI.dockerfile
@@ -11,6 +11,21 @@ COPY . .
 ARG VITE_API_BASE_URL
 ENV VITE_API_BASE_URL=${VITE_API_BASE_URL}

+ARG VITE_FIREBASE_API_KEY
+ENV VITE_FIREBASE_API_KEY=${VITE_FIREBASE_API_KEY}
+ARG VITE_FIREBASE_AUTH_DOMAIN
+ENV VITE_FIREBASE_AUTH_DOMAIN=${VITE_FIREBASE_AUTH_DOMAIN}
+ARG VITE_FIREBASE_PROJECT_ID
+ENV VITE_FIREBASE_PROJECT_ID=${VITE_FIREBASE_PROJECT_ID}
+ARG VITE_FIREBASE_STORAGE_BUCKET
+ENV VITE_FIREBASE_STORAGE_BUCKET=${VITE_FIREBASE_STORAGE_BUCKET}
+ARG VITE_FIREBASE_MESSAGING_SENDER_ID
+ENV VITE_FIREBASE_MESSAGING_SENDER_ID=${VITE_FIREBASE_MESSAGING_SENDER_ID}
+ARG VITE_FIREBASE_APP_ID
+ENV VITE_FIREBASE_APP_ID=${VITE_FIREBASE_APP_ID}
+ARG VITE_FIREBASE_MEASUREMENT_ID
+ENV VITE_FIREBASE_MEASUREMENT_ID=${VITE_FIREBASE_MEASUREMENT_ID}
+
 RUN yarn build

 # ─── Stage 2: Serve ────────────────────────────────────────────────────────
@@ -20,6 +35,7 @@ RUN rm -rf /usr/share/nginx/html/*
 # Replace default nginx.conf
 COPY nginx.conf /etc/nginx/nginx.conf
 # Copy our built files into nginx’s html folder
+COPY ./public/assets /usr/share/nginx/html
 COPY --from=builder /app/dist /usr/share/nginx/html

 # (Optional) If you need any custom nginx.conf, COPY it here—
--- a/index.html
+++ b/index.html
@@ -3,6 +3,7 @@
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <link rel="icon" type="image/x-icon" href="/favicon.ico" />
    <title>OpenCand</title>
  </head>
  <body>
--- a/package-lock.json
+++ b/package-lock.json
--- a/package.json
+++ b/package.json
@@ -12,6 +12,7 @@
  "dependencies": {
    "@tailwindcss/postcss": "^4.1.8",
    "@tailwindcss/vite": "^4.1.8",
+    "firebase": "^11.10.0",
    "postcss": "^8.5.4",
    "react": "^19.1.0",
    "react-dom": "^19.1.0",
--- a/public/assets/Congresso_Nacional_hero.jpg
+++ b/public/assets/Congresso_Nacional_hero.jpg
--- a/public/assets/opencand-line.png
+++ b/public/assets/opencand-line.png
--- a/public/favicon.ico
+++ b/public/favicon.ico
--- a/src/App.css
+++ b/src/App.css
@@ -13,7 +13,8 @@ body, html {
  padding: 0;
  width: 100%;
  height: 100%;
-  overflow-x: hidden;
+  scrollbar-width: thin;
+  scrollbar-color: rgba(156, 163, 175, 0.5) transparent;
 }

 /* Custom animations */
@@ -95,3 +96,52 @@ body, html {
  -ms-overflow-style: none; /* Internet Explorer and Edge */
  overflow: -moz-scrollbars-none; /* Old versions of Firefox */
 }
+
+h1 {
+  font-size: 3.2em;
+  line-height: 1.1;
+}
+
+/* Custom minimal scrollbar styles */
+.custom-scrollbar {
+  scrollbar-width: thin;
+  scrollbar-color: rgba(156, 163, 175, 0.5) transparent;
+}
+
+.custom-scrollbar::-webkit-scrollbar {
+  width: 1px;
+}
+
+.custom-scrollbar::-webkit-scrollbar-track {
+  background: transparent;
+}
+
+.custom-scrollbar::-webkit-scrollbar-thumb {
+  background-color: rgba(156, 163, 175, 0.5);
+  border-radius: 2px;
+  transition: background-color 0.2s ease;
+}
+
+.custom-scrollbar::-webkit-scrollbar-thumb:hover {
+  background-color: rgba(107, 114, 128, 0.7);
+}
+
+.custom-scrollbar::-webkit-scrollbar-corner {
+  background: transparent;
+}
+
+/* Custom fade-in animation for dropdown content */
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+    transform: translateY(-10px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+.animate-fadeIn {
+  animation: fadeIn 0.3s ease-out forwards;
+}
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -1,5 +1,5 @@
-import React from 'react';
-import { Routes, Route } from 'react-router-dom';
+import React, { useEffect } from 'react';
+import { Routes, Route, useLocation } from 'react-router-dom';
 import Navbar from './components/Navbar';
 import HeroSection from './components/HeroSection';
 import StatisticsSection from './components/StatisticsSection';
@@ -8,21 +8,48 @@ import Footer from './components/Footer';
 import CandidatePage from './components/CandidatePage/CandidatePage';
 import DataStatsPage from './components/DataStatsPage';
 import StatisticsPage from './components/StatisticsPage';
+import SobrePage from './components/SobrePage';
 import NotFound from './components/NotFound';
 import MatrixBackground from './components/MatrixBackground';
 import './App.css';

 // HomePage component
-const HomePage: React.FC = () => (
+const HomePage: React.FC = () => {
+  const location = useLocation();
+
+  useEffect(() => {
+    if (location.hash) {
+      const element = document.getElementById(location.hash.substring(1));
+      if (element) {
+        element.scrollIntoView({ behavior: 'smooth' });
+      }
+    }
+  }, [location]);
+
+  return (
    <main className="flex-grow">
      <HeroSection />
+      <div className="w-32 h-1 bg-gradient-to-r from-indigo-400 to-purple-400 mx-auto mt-12 rounded-full"></div>
      <StatisticsSection />
      <div className="w-32 h-1 bg-gradient-to-r from-indigo-400 to-purple-400 mx-auto mt-6 rounded-full"></div>
      <FeaturesSection />
    </main>
-);
+  );
+};

 function App() {
+  const location = useLocation();
+
+  useEffect(() => {
+    const segment = location.hash;
+    if (segment) {
+      const element = document.getElementById(segment.replace('#', ''));
+      if (element) {
+        element.scrollIntoView({ behavior: 'smooth', block: 'start' });
+      }
+    }
+  }, [location]);
+
  return (
    <div className="min-h-screen w-full flex flex-col relative" style={{ backgroundColor: 'transparent' }}>
      <MatrixBackground />
@@ -34,6 +61,7 @@ function App() {
            <Route path="/candidato/:id" element={<CandidatePage />} />
            <Route path="/dados-disponiveis" element={<DataStatsPage />} />
            <Route path="/estatisticas" element={<StatisticsPage />} />
+            <Route path="/sobre" element={<SobrePage />} />
            <Route path="*" element={<NotFound />} />
          </Routes>
        </div>
--- a/src/api/apiModels.ts
+++ b/src/api/apiModels.ts
@@ -145,3 +145,22 @@ export interface OpenCandDataAvailabilityStats {
  redeSocialCandidatos: number[];
  fotosCandidatos: number[];
 }
+
+export interface OpenCandDatabaseStats {
+  tables: {
+    name: string;
+    totalSize: number; // in bytes
+    entries: number; // number of rows
+  }[];
+  materializedViews: {
+    name: string;
+    totalSize: number; // in bytes
+    entries: number; // number of rows
+  }[];
+  indexes: {
+    amount: number; // number of indexes
+    size: number; // total size of indexes in bytes
+  };
+  totalSize: number; // total size of the database in bytes
+  totalEntries: number; // total number of entries across all tables
+}
--- a/src/api/openCandApi.ts
+++ b/src/api/openCandApi.ts
@@ -1,7 +1,8 @@
 import { BaseApiClient } from './base';
 import { API_CONFIG } from '../config/api';
-import type { CandidateAssets, CandidateDetails, CandidateExpenses, CandidateIncome, CandidateRedesSociais, CandidateSearchResult, CpfRevealResult, OpenCandDataAvailabilityStats, PlatformStats, RandomCandidate } from './apiModels';
+import type { CandidateAssets, CandidateDetails, CandidateExpenses, CandidateIncome, CandidateRedesSociais, CandidateSearchResult, CpfRevealResult, OpenCandDataAvailabilityStats, OpenCandDatabaseStats, PlatformStats, RandomCandidate } from './apiModels';
 import type { EnrichmentResponse, StatisticsConfig, ValueSumRequest, ValueSumResponse } from './apiStatisticsModels';
+import type { StatisticsRequestFilters, StatisticsRequestOptions } from '../components/StatisticsPage/statisticsRequests';

 /**
 * OpenCand API client for interacting with the OpenCand platform
@@ -27,6 +28,13 @@ export class OpenCandApi extends BaseApiClient {
    return this.get<OpenCandDataAvailabilityStats>('/v1/stats/data-availability');
  }

+  /**
+   * Get the database tech stats
+   */
+  async getDatabaseTechStats(): Promise<OpenCandDatabaseStats> {
+    return this.get<OpenCandDatabaseStats>(`/v1/stats/tech`);
+  }
+
  /**
   * Search for candidates by name or other attributes
   */
@@ -94,8 +102,28 @@ export class OpenCandApi extends BaseApiClient {
  /**
   * Get the enrichment statistics for candidates
   */
-  async getStatisticsEnrichment(): Promise<EnrichmentResponse[]> {
-    return this.get<EnrichmentResponse[]>(`/v1/estatistica/enriquecimento`, { timeout: 90000 });
+  async getStatisticsEnrichment(filters?: StatisticsRequestFilters): Promise<EnrichmentResponse[]> {
+    let url = `/v1/estatistica/enriquecimento`;
+    if (filters) {
+      const params = new URLSearchParams();
+      if (filters.partido !== null && filters.partido !== undefined) {
+        params.append('partido', filters.partido);
+      }
+      if (filters.uf !== null && filters.uf !== undefined) {
+        params.append('uf', filters.uf);
+      }
+      if (filters.ano !== null && filters.ano !== undefined) {
+        params.append('ano', String(filters.ano));
+      }
+      if (filters.cargo !== null && filters.cargo !== undefined) {
+        params.append('cargo', filters.cargo);
+      }
+      const queryString = params.toString();
+      if (queryString) {
+        url += `?${queryString}`;
+      }
+    }
+    return this.get<EnrichmentResponse[]>(url, { timeout: 90000 });
  }

  /**
--- a/src/components/CandidatePage/IncomeExpenseComponent.tsx
+++ b/src/components/CandidatePage/IncomeExpenseComponent.tsx
@@ -11,12 +11,25 @@ interface IncomeExpenseComponentProps {
  isLoadingIncome: boolean;
 }

+const hasIncomeData = (income: CandidateIncome | null) => {
+  if (!income || income.receitas.length === 0) return false;
+  return true;
+};
+
+const hasExpenseData = (expenses: CandidateExpenses | null) => {
+  if (!expenses || expenses.despesas.length === 0) return false;
+  return true;
+};
+
 const IncomeExpenseComponent: React.FC<IncomeExpenseComponentProps> = ({ 
  expenses, 
  income, 
  isLoadingExpenses, 
  isLoadingIncome 
 }) => {
+  const showIncome = hasIncomeData(income);
+  const showExpenses = hasExpenseData(expenses);
+  if (!showIncome && !showExpenses) return null;
  return (
    <div className="bg-white/95 backdrop-blur-sm rounded-xl shadow-lg hover:shadow-xl transform hover:scale-[1.01] transition-all duration-200 p-6">
      <div className="flex items-center mb-6">
@@ -25,12 +38,15 @@ const IncomeExpenseComponent: React.FC<IncomeExpenseComponentProps> = ({
      </div>

      {/* Income Section */}
+      {showIncome && (
        <IncomeSection 
          income={income}
          isLoadingIncome={isLoadingIncome}
        />
+      )}

      {/* Separator */}
+      {showIncome && showExpenses && (
        <div className="flex items-center my-8">
          <div className="flex-grow border-t border-gray-300"></div>
          <div className="flex-shrink-0 px-4">
@@ -38,12 +54,15 @@ const IncomeExpenseComponent: React.FC<IncomeExpenseComponentProps> = ({
          </div>
          <div className="flex-grow border-t border-gray-300"></div>
        </div>
+      )}

      {/* Expenses Section */}
+      {showExpenses && (
        <ExpenseSection 
          expenses={expenses}
          isLoadingExpenses={isLoadingExpenses}
        />
+      )}
    </div>
  );
 };
--- a/src/components/DataStats/DataAvailabilityTable.tsx
+++ b/src/components/DataStats/DataAvailabilityTable.tsx
@@ -0,0 +1,80 @@
+import React from 'react';
+import type { OpenCandDataAvailabilityStats } from '../../api/apiModels';
+
+interface DataAvailabilityTableProps {
+  stats: OpenCandDataAvailabilityStats;
+  sortedYears: number[];
+}
+
+const dataTypes = [
+  { key: 'candidatos', label: 'Candidatos', icon: '👤' },
+  { key: 'bemCandidatos', label: 'Bens de Candidatos', icon: '💰' },
+  { key: 'despesaCandidatos', label: 'Despesas de Candidatos', icon: '💸' },
+  { key: 'receitaCandidatos', label: 'Receitas de Candidatos', icon: '💵' },
+  { key: 'redeSocialCandidatos', label: 'Redes Sociais', icon: '📱' },
+  { key: 'fotosCandidatos', label: 'Fotos de Candidatos (API)', icon: '📸' },
+];
+
+const DataAvailabilityTable: React.FC<DataAvailabilityTableProps> = ({ stats, sortedYears }) => {
+  return (
+    <div className="bg-gray-800/10 backdrop-blur-xs rounded-xl shadow-lg hover:shadow-xl transform hover:scale-[1.005] transition-all duration-200 overflow-hidden ring-1 ring-gray-700 hover:ring-indigo-300">
+      <div className="p-6 border-b border-gray-700/30 bg-gray-800/10">
+        <h2 className="text-2xl font-bold text-white">
+          Matriz de Disponibilidade
+        </h2>
+        <p className="text-gray-400 mt-2">
+          ✅ Disponível • ❌ Não Disponível
+        </p>
+      </div>
+      
+      <div className="overflow-x-auto">
+        <table className="w-full">
+          <thead>
+            <tr className="bg-gray-800/10">
+              <th className="text-left p-4 text-white font-semibold border-b border-gray-700/30 sticky left-0 bg-gray-800/10">
+                Tipo de Dado
+              </th>
+              {sortedYears.map((year, index) => (
+                <th 
+                  key={year} 
+                  className="text-center p-4 text-white font-semibold border-b border-gray-700/30 animate-slide-in-left"
+                  style={{ animationDelay: `${index * 50}ms` }}
+                >
+                  {year}
+                </th>
+              ))}
+            </tr>
+          </thead>
+          <tbody>
+            {dataTypes.map((dataType, rowIndex) => (
+              <tr 
+                key={dataType.key}
+                className="hover:bg-gray-800/10 transition-all duration-300 animate-slide-in-left"
+                style={{ animationDelay: `${rowIndex * 100}ms` }}
+              >
+                <td className="p-4 border-b border-gray-700/20 text-white sticky left-0 bg-gray-800/10">
+                  <div className="flex items-center space-x-3">
+                    <span className="text-xl">{dataType.icon}</span>
+                    <span>{dataType.label}</span>
+                  </div>
+                </td>
+                {sortedYears.map((year) => {
+                  const isAvailable = (stats[dataType.key as keyof OpenCandDataAvailabilityStats] as number[]).includes(year);
+                  return (
+                    <td key={year} className="text-center p-4 border-b border-gray-700/20">
+                      <div className={`inline-flex items-center justify-center w-8 h-8 rounded-full transition-all duration-100 ${isAvailable ? 'bg-green-500/20 text-green-300 hover:bg-green-500/30 hover:scale-110 hover:cursor-default' : 'bg-red-500/20 text-red-300 hover:bg-red-500/30 hover:cursor-default'}`}>
+                        {isAvailable ? '✅' : '❌'}
+                      </div>
+                    </td>
+                  );
+                })}
+              </tr>
+            ))}
+          </tbody>
+        </table>
+      </div>
+    </div>
+  );
+};
+
+export default DataAvailabilityTable;
--- a/src/components/DataStats/DbIndexesStats.tsx
+++ b/src/components/DataStats/DbIndexesStats.tsx
@@ -0,0 +1,39 @@
+import React from 'react';
+
+interface DbIndexesStatsProps {
+  amount: number;
+  size: number;
+}
+
+const formatSize = (sizeInBytes: number): string => {
+  const sizeMB = sizeInBytes / 1024 / 1024;
+  return sizeMB > 1024
+    ? `${(sizeMB / 1024).toFixed(2)} GB`
+    : `${sizeMB.toFixed(2)} MB`;
+};
+
+const DbIndexesStats: React.FC<DbIndexesStatsProps> = ({ amount, size }) => {
+  return (
+    <div>
+      <h3 className="text-xl font-semibold text-white mb-2">Índices</h3>
+      <div className="overflow-x-auto max-h-96 flex justify-center" style={{maxHeight: '28rem'}}>
+        <table className="w-auto text-left border-collapse mx-auto">
+          <thead>
+            <tr className="bg-gray-800/10">
+              <th className="p-3 text-white font-semibold border-b border-gray-700/30">Quantidade</th>
+              <th className="p-3 text-white font-semibold border-b border-gray-700/30">Tamanho Total</th>
+            </tr>
+          </thead>
+          <tbody>
+            <tr>
+              <td className="p-3 text-gray-300">{amount}</td>
+              <td className="p-3 text-gray-300">{formatSize(size)}</td>
+            </tr>
+          </tbody>
+        </table>
+      </div>
+    </div>
+  );
+};
+
+export default DbIndexesStats;
--- a/src/components/DataStats/DbStatsTable.tsx
+++ b/src/components/DataStats/DbStatsTable.tsx
@@ -0,0 +1,60 @@
+import React from 'react';
+
+interface DbStatItem {
+  name: string;
+  totalSize: number;
+  entries: number;
+}
+
+interface DbStatsTableProps {
+  title: string;
+  items: DbStatItem[];
+  showTotal?: boolean;
+}
+
+const formatSize = (sizeInBytes: number): string => {
+  const sizeMB = sizeInBytes / 1024 / 1024;
+  return sizeMB > 1024
+    ? `${(sizeMB / 1024).toFixed(2)} GB`
+    : `${sizeMB.toFixed(2)} MB`;
+};
+
+const DbStatsTable: React.FC<DbStatsTableProps> = ({ title, items, showTotal = false }) => {
+  const totalSize = showTotal ? items.reduce((acc, item) => acc + item.totalSize, 0) : 0;
+  const totalEntries = showTotal ? items.reduce((acc, item) => acc + item.entries, 0) : 0;
+
+  return (
+    <div>
+      <h3 className="text-xl font-semibold text-white mb-2">{title}</h3>
+      <div className="overflow-x-auto" style={{maxHeight: '32rem'}}>
+        <table className="w-full text-left border-collapse">
+          <thead>
+            <tr className="bg-gray-800/10">
+              <th className="p-3 text-white font-semibold border-b border-gray-700/30">Nome</th>
+              <th className="p-3 text-white font-semibold border-b border-gray-700/30">Tamanho Total</th>
+              <th className="p-3 text-white font-semibold border-b border-gray-700/30">Entradas</th>
+            </tr>
+          </thead>
+          <tbody>
+            {items.map((item) => (
+              <tr key={item.name} className="hover:bg-gray-800/10 transition-all duration-200">
+                <td className="p-3 text-white">{item.name.replace(/^public\./, '')}</td>
+                <td className="p-3 text-gray-300">{formatSize(item.totalSize)}</td>
+                <td className="p-3 text-gray-300">{item.entries.toLocaleString()}</td>
+              </tr>
+            ))}
+            {showTotal && (
+              <tr className="font-bold bg-gray-900/30">
+                <td className="p-3 text-white">Total</td>
+                <td className="p-3 text-gray-300">{formatSize(totalSize)}</td>
+                <td className="p-3 text-gray-300">{totalEntries.toLocaleString()}</td>
+              </tr>
+            )}
+          </tbody>
+        </table>
+      </div>
+    </div>
+  );
+};
+
+export default DbStatsTable;
--- a/src/components/DataStatsPage.tsx
+++ b/src/components/DataStatsPage.tsx
@@ -1,13 +1,21 @@
 import React, { useState, useEffect } from 'react';
+import { FaCloudDownloadAlt, FaGoogleDrive } from 'react-icons/fa';
 import { openCandApi } from '../api';
-import type { OpenCandDataAvailabilityStats } from '../api/apiModels';
+import type { OpenCandDataAvailabilityStats, OpenCandDatabaseStats } from '../api/apiModels';
 import Card from '../shared/Card';
 import ErrorPage from './ErrorPage';
+import DataAvailabilityTable from './DataStats/DataAvailabilityTable';
+import DbStatsTable from './DataStats/DbStatsTable';
+import GradientButton from '../shared/GradientButton';
+import DbIndexesStats from './DataStats/DbIndexesStats';

 const DataStatsPage: React.FC = () => {
  const [stats, setStats] = useState<OpenCandDataAvailabilityStats | null>(null);
+  const [dbStats, setDbStats] = useState<OpenCandDatabaseStats | null>(null);
  const [loading, setLoading] = useState(true);
+  const [dbLoading, setDbLoading] = useState(true);
  const [error, setError] = useState<string | null>(null);
+  const [dbError, setDbError] = useState<string | null>(null);

  useEffect(() => {
    const fetchStats = async () => {
@@ -22,16 +30,28 @@ const DataStatsPage: React.FC = () => {
        setLoading(false);
      }
    };
-
+    const fetchDbStats = async () => {
+      try {
+        setDbLoading(true);
+        const dbData = await openCandApi.getDatabaseTechStats();
+        setDbStats(dbData);
+      } catch (err) {
+        setDbError('Erro ao carregar estatísticas técnicas do banco de dados');
+        console.error('Error fetching database tech stats:', err);
+      } finally {
+        setDbLoading(false);
+      }
+    };
    fetchStats();
+    fetchDbStats();
  }, []);

  if (loading) {
    return (
-      <div className="min-h-screen bg-gray-50 flex items-center justify-center">
-        <div className="text-center">
-          <div className="animate-spin rounded-full h-16 w-16 border-4 border-indigo-600 border-t-transparent mx-auto mb-4"></div>
-          <p className="text-lg text-gray-700">Carregando dados...</p>
+      <div className="flex items-center justify-center min-h-[40vh]">
+        <div className="backdrop-blur-md bg-white/90 rounded-2xl shadow-xl p-8 max-w-md w-full border border-white/30 flex flex-col items-center">
+          <div className="animate-spin rounded-full h-10 w-10 border-4 border-indigo-600 border-t-transparent mb"></div>
+          <p className="text-base text-gray-700">Carregando dados...</p>
        </div>
      </div>
    );
@@ -62,20 +82,11 @@ const DataStatsPage: React.FC = () => {
  });
  const sortedYears = Array.from(allYears).sort((a, b) => b - a);

-  const dataTypes = [
-    { key: 'candidatos', label: 'Candidatos', icon: '👤' },
-    { key: 'bemCandidatos', label: 'Bens de Candidatos', icon: '💰' },
-    { key: 'despesaCandidatos', label: 'Despesas de Candidatos', icon: '💸' },
-    { key: 'receitaCandidatos', label: 'Receitas de Candidatos', icon: '💵' },
-    { key: 'redeSocialCandidatos', label: 'Redes Sociais', icon: '📱' },
-    { key: 'fotosCandidatos', label: 'Fotos de Candidatos', icon: '📸' },
-  ];
-
  return (
    <div className="min-h-screen py-20 px-4 hover:cursor-default">
      <div className="max-w-7xl mx-auto">
        {/* Header */}
-        <div className="text-center mb-12 animate-fade-in">
+        <div className="text-center mb-12 animate-slide-in-left">
          <h1 className="text-4xl md:text-6xl font-bold mb-4 text-white">
            Disponibilidade de Dados
          </h1>
@@ -85,12 +96,29 @@ const DataStatsPage: React.FC = () => {
          <div className="w-32 h-1 bg-gradient-to-r from-indigo-400 to-purple-400 mx-auto mt-6 rounded-full"></div>
        </div>

+        {/* Download DB Dump Section */}
+        <div className="flex justify-center mb-10 animate-slide-in-left backdrop-blur-xs bg-gray-800/10 rounded-xl shadow-lg hover:shadow-xl transform transition-all duration-200 overflow-hidden ring-1 ring-gray-700 hover:ring-indigo-300 px-8 py-6 flex flex-col md:flex-row items-center gap-4 max-w-xl-auto">
+          <div className="flex items-center gap-3 mb-2 md:mb-0">
+            <FaCloudDownloadAlt className="text-3xl text-green-400" />
+            <span className="text-lg font-semibold text-white">Download do Dump do Banco de Dados</span>
+          </div>
+          <GradientButton
+            href="https://drive.google.com/file/d/1cfMItrsAdv8y8YUNp04D33s6pYrRbmDn/view?usp=sharing"
+            target="_blank"
+            rel="noopener noreferrer"
+            className="inline-flex items-center gap-2 py-2 px-5"
+          >
+            <FaGoogleDrive className="text-xl" />
+            Google Drive
+          </GradientButton>
+        </div>
+
        {/* Stats Cards */}
        <div className="grid grid-cols-1 md:grid-cols-3 gap-6 mb-12">
          <Card hasAnimation={true} className="bg-gray-800/10 rounded-xl">
            <div className="text-center">
              <div className="text-3xl mb-2">📊</div>
-              <div className="text-2xl font-bold text-white">{dataTypes.length}</div>
+              <div className="text-2xl font-bold text-white">6</div>
              <div className="text-gray-400">Tipos de Dados</div>
            </div>
          </Card>
@@ -113,69 +141,30 @@ const DataStatsPage: React.FC = () => {
        </div>

        {/* Data Availability Table */}
-        <div className="bg-gray-800/10 backdrop-blur-xs rounded-xl shadow-lg hover:shadow-xl transform hover:scale-[1.005] transition-all duration-200 overflow-hidden ring-1 ring-gray-700 hover:ring-indigo-300">
-          <div className="p-6 border-b border-gray-700/30 bg-gray-800/10">
-            <h2 className="text-2xl font-bold text-white">
-              Matriz de Disponibilidade
-            </h2>
-            <p className="text-gray-400 mt-2">
-              ✅ Disponível • ❌ Não Disponível
-            </p>
+        <DataAvailabilityTable stats={stats} sortedYears={sortedYears} />
      </div>

-          <div className="overflow-x-auto">
-            <table className="w-full">
-              <thead>
-                <tr className="bg-gray-800/10">
-                  <th className="text-left p-4 text-white font-semibold border-b border-gray-700/30 sticky left-0 bg-gray-800/10">
-                    Tipo de Dado
-                  </th>
-                  {sortedYears.map((year, index) => (
-                    <th 
-                      key={year} 
-                      className="text-center p-4 text-white font-semibold border-b border-gray-700/30 animate-fade-in"
-                      style={{ animationDelay: `${index * 50}ms` }}
-                    >
-                      {year}
-                    </th>
-                  ))}
-                </tr>
-              </thead>
-              <tbody>
-                {dataTypes.map((dataType, rowIndex) => (
-                  <tr 
-                    key={dataType.key}
-                    className="hover:bg-gray-800/10 transition-all duration-300 animate-slide-in-left"
-                    style={{ animationDelay: `${rowIndex * 100}ms` }}
-                  >
-                    <td className="p-4 border-b border-gray-700/20 text-white sticky left-0 bg-gray-800/10">
-                      <div className="flex items-center space-x-3">
-                        <span className="text-xl">{dataType.icon}</span>
-                        <span>{dataType.label}</span>
+      {/* Database Tech Stats Section */}
+      <div className="mt-20 flex justify-center">
+        <div className="bg-gray-800/10 backdrop-blur-xs rounded-xl shadow-lg hover:shadow-xl transform hover:scale-[1.005] transition-all duration-200 overflow-hidden ring-1 ring-gray-700 hover:ring-indigo-300 mb-12 w-full max-w-2xl">
+          <div className="p-6 border-b border-gray-700/30 bg-gray-800/10">
+            <h2 className="text-2xl font-bold text-white">Dados Técnicas do Banco de Dados</h2>
+            <p className="text-gray-400 mt-2">Informações sobre tabelas, views materializadas e índices</p>
          </div>
-                    </td>
-                    {sortedYears.map((year) => {
-                      const isAvailable = (stats[dataType.key as keyof OpenCandDataAvailabilityStats] as number[]).includes(year);
-                      return (
-                        <td 
-                          key={year} 
-                          className="text-center p-4 border-b border-gray-700/20"
-                        >
-                          <div className={`inline-flex items-center justify-center w-8 h-8 rounded-full transition-all duration-100 ${
-                            isAvailable 
-                              ? 'bg-green-500/20 text-green-300 hover:bg-green-500/30 hover:scale-110 hover:cursor-default' 
-                              : 'bg-red-500/20 text-red-300 hover:bg-red-500/30 hover:cursor-default'
-                          }`}>
-                            {isAvailable ? '✅' : '❌'}
+          {dbLoading ? (
+            <div className="flex items-center justify-center p-8">
+              <div className="animate-spin rounded-full h-8 w-8 border-4 border-indigo-600 border-t-transparent mr-4"></div>
+              <span className="text-gray-300">Carregando dados do banco de dados...</span>
            </div>
-                        </td>
-                      );
-                    })}
-                  </tr>
-                ))}
-              </tbody>
-            </table>
+          ) : dbError ? (
+            <div className="p-8 text-red-400">{dbError}</div>
+          ) : dbStats ? (
+            <div className="p-6 space-y-10">
+              <DbStatsTable title="Tabelas" items={dbStats.tables} showTotal />
+              <DbStatsTable title="Views Materializadas" items={dbStats.materializedViews} />
+              <DbIndexesStats amount={dbStats.indexes.amount} size={dbStats.indexes.size} />
            </div>
+          ) : null}
        </div>
      </div>
    </div>
--- a/src/components/ErrorPage.tsx
+++ b/src/components/ErrorPage.tsx
@@ -1,5 +1,6 @@
 import React from 'react';
 import { Link } from 'react-router-dom';
+import GradientButton from '../shared/GradientButton';

 interface ErrorPageProps {
  title: string;
@@ -21,12 +22,9 @@ const ErrorPage: React.FC<ErrorPageProps> = ({ title, description, helperText })
        </div>
        
        <div className="space-y-4">
-          <Link
-            to="/"
-            className="inline-block px-8 py-3 bg-gradient-to-r from-indigo-500 to-purple-600 text-white font-semibold rounded-lg hover:from-indigo-600 hover:to-purple-700 transition-all duration-300 transform shadow-lg hover:shadow-xl"
-          >
+          <GradientButton to="/" className="inline-block px-8 py-3">
            Voltar para a página inicial
-          </Link>
+          </GradientButton>
          
          {helperText && (
            <div className="mt-6">
--- a/src/components/FeaturesSection.tsx
+++ b/src/components/FeaturesSection.tsx
@@ -1,5 +1,5 @@
 import React from 'react';
-import { ArrowDownOnSquareStackIcon, BookOpenIcon, ChartBarIcon, DocumentTextIcon, LightBulbIcon } from '@heroicons/react/24/outline';
+import { ArrowDownOnSquareStackIcon, BookOpenIcon, ChartBarIcon, ChartBarSquareIcon, DocumentMagnifyingGlassIcon, DocumentTextIcon, IdentificationIcon, LightBulbIcon, MagnifyingGlassIcon } from '@heroicons/react/24/outline';
 import Card from '../shared/Card';

 const FeatureCard: React.FC<{ icon: React.ElementType, title: string, children: React.ReactNode }> = ({ icon: Icon, title, children }) => {
@@ -14,23 +14,26 @@ const FeatureCard: React.FC<{ icon: React.ElementType, title: string, children:

 const FeaturesSection: React.FC = () => {
  return (
-    <section id="features" className="py-20">
+    <section id="recursos" className="py-20">
      <div className="container mx-auto px-4">
-        <h2 className="text-3xl font-bold text-center text-white mb-12">
-          Por que OpenCand?
+        <h2 className="text-4xl md:text-5xl font-bold text-center text-white mb-12">
+          Recursos
        </h2>
        <div className="flex flex-wrap justify-center gap-8">
          <FeatureCard icon={DocumentTextIcon} title="Acesso Simplificado">
            Navegue facilmente por dados complexos do TSE com uma interface limpa e amigável.
          </FeatureCard>
-          <FeatureCard icon={ChartBarIcon} title="Visualizações Claras">
-            Entenda as tendências e padrões com gráficos e resumos visuais dos dados eleitorais.
+          <FeatureCard icon={IdentificationIcon} title="Visualizações Claras">
+            Visualização detalhada de perfis, redes sociais e histórico eleitoral.
          </FeatureCard>
-          <FeatureCard icon={LightBulbIcon} title="Insights Valiosos">
-            Obtenha informações relevantes sobre candidatos, partidos e financiamento de campanhas.
+          <FeatureCard icon={DocumentMagnifyingGlassIcon} title="Declaração de Bens">
+            Visualização acerca de bens declarados para cada candidato.
          </FeatureCard>
-          <FeatureCard icon={BookOpenIcon} title="Open Source">
-            Contribua para um projeto aberto e transparente, ajudando a melhorar a plataforma para todos.
+          <FeatureCard icon={MagnifyingGlassIcon} title="Informações de Campanha">
+            Análise de receitas e despesas de campanha quando disponível.
+          </FeatureCard>
+          <FeatureCard icon={ChartBarSquareIcon} title="Estatísticas">
+            Estatísticas e gráficos interativos para entender melhor o cenário eleitoral.
          </FeatureCard>
          <FeatureCard icon={ArrowDownOnSquareStackIcon} title="Dados Abertos">
            Os dados são acessíveis através do TSE e também disponibilizados em nosso repositório GitHub, garantindo transparência e confiabilidade.
--- a/src/components/Footer.tsx
+++ b/src/components/Footer.tsx
@@ -2,13 +2,15 @@ import React from 'react';

 const Footer: React.FC = () => {
  return (
-    <footer className="bg-gray-800/30 text-gray-400 py-8 text-center backdrop-blur-xs shadow-lg ring-1 ring-gray-800">
+    <footer className="bg-gray-800/30 text-gray-400 py-4 text-center backdrop-blur-xs shadow-lg ring-1 ring-gray-800">
      <div className="container mx-auto">
-        <p className="mb-2">
-          &copy; {new Date().getFullYear()} OpenCand. Todos os direitos reservados.
+        <p className="mb-2 text-md">
+          OpenCand
        </p>
-        <p className="text-sm">
-          Democratizando o acesso à informação eleitoral.
+        <p className="text-xs">
+          Não nos responsabilizamos por quaisquer erros ou inconsistências nos dados apresentados, pois estes são de livre interpretação da plataforma e devem ser verificados com os dados oficiais do TSE.
+          <br />
+          Logos desenhados por Freepik.
        </p>
      </div>
    </footer>
--- a/src/components/HeroSection.tsx
+++ b/src/components/HeroSection.tsx
@@ -1,17 +1,33 @@
-import React from 'react';
+import React, { useState } from 'react';
 import SearchBar from './SearchBar';
 import RandomCandButton from '../shared/RandomCandButton';

 const HeroSection: React.FC = () => {
+  const headers = [
+    "Explore Dados Eleitorais",
+    "Analise Dados Eleitorais",
+    "Consulte Dados Eleitorais",
+    "Verifique Dados Eleitorais",
+    "Descubra Dados Eleitorais",
+    "Acesse Informações Eleitorais",
+    "Verifique Candidatos",
+    "Descubra Candidatos",
+    "Pesquise Candidaturas",
+    "Consulte Candidatos",
+    "Navegue pelos Dados do TSE"
+  ];
+  const [header] = useState(headers[Math.floor(Math.random() * headers.length)]);
+
  return (
    <section 
      className="min-h-screen flex flex-col justify-center items-center text-white bg-cover bg-center bg-no-repeat bg-gray-900 relative"
-      style={{ backgroundImage: "url('https://upload.wikimedia.org/wikipedia/commons/thumb/2/21/National_Congress_of_Brazil%2C_Brasilia.jpg/1024px-National_Congress_of_Brazil%2C_Brasilia.jpg')" }}
+      style={{ backgroundImage: "url('/assets/Congresso_Nacional_hero.jpg')" }}
    >
      <div className="absolute inset-0 bg-black/60"></div>
+      <div className="absolute bottom-0 left-0 right-0 h-24 bg-gradient-to-t from-[#0a0f1a] to-transparent"></div>
      <div className="relative z-10 text-center max-w-6xl">
        <h1 className="text-5xl md:text-7xl font-bold mb-6">
-          Explore Dados Eleitorais
+          {header}
        </h1>
        <p className="text-lg md:text-xl mb-10 text-gray-300">
          OpenCand oferece acesso fácil e visualizações intuitivas de dados abertos do Tribunal Superior Eleitoral (TSE).
@@ -26,6 +42,18 @@ const HeroSection: React.FC = () => {
          />
        </div>
      </div>
+      {/* Image credit */}
+      <span className="absolute left-4 bottom-2 z-20 text-[10px] text-gray-200 bg-black/30 px-1.5 py-0.5 rounded select-none pointer-events-none opacity-55">
+        Edilson Rodrigues/Agência Senado. Senado Federal, 
+        <a
+          href="https://creativecommons.org/licenses/by/2.0"
+          target="_blank"
+          rel="noopener noreferrer"
+          className="ml-1 text-gray-200 hover:text-white"
+        >
+          CC BY 2.0
+        </a>, via Wikimedia Commons
+      </span>
    </section>
  );
 };
--- a/src/components/MatrixBackground.tsx
+++ b/src/components/MatrixBackground.tsx
@@ -34,8 +34,8 @@ const MatrixBackground: React.FC = () => {
    connectionDistance: 150,
    dotSpeed: 0.3,
    hoverRadius: 120,
-    baseBrightness: 0.4, // Moderate base brightness for main background
-    hoverBrightness: 0.7, // Moderate hover brightness
+    baseBrightness: 0.2, // Moderate base brightness for main background
+    hoverBrightness: 0.5, // Moderate hover brightness
    baseThickness: 0.6,
    hoverThickness: 1.8,
    fadeSpeed: 0.08, // Slightly faster fade for better responsiveness
--- a/src/components/Navbar.tsx
+++ b/src/components/Navbar.tsx
@@ -10,14 +10,15 @@ const Navbar: React.FC = () => {
        <NavbarMatrixBackground />
        <div className="relative z-10 p-4">
          <div className="container mx-auto flex justify-between items-center">
-            <a href="/" className="text-2xl font-bold text-indigo-400 hover:text-indigo-300 transition-colors">
-              OpenCand
+            <a href="/" className="flex items-center gap-2 text-2xl font-bold text-indigo-400 hover:text-indigo-300 transition-colors">
+              <img src="/assets/opencand-line.png" alt="OpenCand logo" className="h-8 w-auto" />
+              <span>OpenCand</span>
            </a>
            <div className="space-x-4">
              <Button href="/dados-disponiveis">Dados Disponíveis</Button>
              <Button href="/estatisticas">Estatíscas</Button>
-              <Button href="/#features">Recursos</Button>
-              <Button href="/about">Sobre</Button>
+              <Button href="/#recursos">Recursos</Button>
+              <Button href="/sobre">Sobre</Button>
            </div>
          </div>
        </div>
--- a/src/components/SearchBar.tsx
+++ b/src/components/SearchBar.tsx
@@ -15,9 +15,11 @@ const SearchBar: React.FC<SearchBarProps> = ({ className = '' }) => {
  const [showResults, setShowResults] = useState(false);
  const [error, setError] = useState<string | null>(null);
  const [isFocused, setIsFocused] = useState(false);
+  const [activeIndex, setActiveIndex] = useState(-1);
  const navigate = useNavigate();
  const searchTimeoutRef = useRef<number | null>(null);
  const resultsRef = useRef<HTMLDivElement>(null);
+  const resultsContainerRef = useRef<HTMLDivElement>(null);

  // Debounced search function
  const performSearch = useCallback(async (query: string) => {
@@ -74,10 +76,12 @@ const SearchBar: React.FC<SearchBarProps> = ({ className = '' }) => {
  // Handle form submission
  const handleSubmit = useCallback((e: React.FormEvent) => {
    e.preventDefault();
-    if (searchResults.length > 0) {
+    if (activeIndex > -1 && searchResults[activeIndex]) {
+      handleCandidateSelect(searchResults[activeIndex]);
+    } else if (searchResults.length > 0) {
      handleCandidateSelect(searchResults[0]);
    }
-  }, [searchResults, handleCandidateSelect]);
+  }, [searchResults, handleCandidateSelect, activeIndex]);

  // Close results when clicking outside
  useEffect(() => {
@@ -93,6 +97,43 @@ const SearchBar: React.FC<SearchBarProps> = ({ className = '' }) => {
    };
  }, []);

+  // Reset active index when search results change
+  useEffect(() => {
+    setActiveIndex(-1);
+  }, [searchResults]);
+
+  // Scroll active item into view
+  useEffect(() => {
+    if (activeIndex < 0 || !resultsContainerRef.current) return;
+
+    const resultsContainer = resultsContainerRef.current;
+    const activeButton = resultsContainer.children[activeIndex] as HTMLElement;
+
+    if (activeButton) {
+      activeButton.scrollIntoView({
+        behavior: 'smooth',
+        block: 'nearest',
+      });
+    }
+  }, [activeIndex]);
+
+  const handleKeyDown = (e: React.KeyboardEvent<HTMLInputElement>) => {
+    if (e.key === 'Escape') {
+      setShowResults(false);
+      return;
+    }
+
+    if (showResults && searchResults.length > 0) {
+      if (e.key === 'ArrowDown') {
+        e.preventDefault();
+        setActiveIndex(prevIndex => (prevIndex + 1) % searchResults.length);
+      } else if (e.key === 'ArrowUp') {
+        e.preventDefault();
+        setActiveIndex(prevIndex => (prevIndex - 1 + searchResults.length) % searchResults.length);
+      }
+    }
+  };
+
  const getCandidateDescription = (candidate: Candidate) => {
    const desc = [''];

@@ -126,6 +167,7 @@ const SearchBar: React.FC<SearchBarProps> = ({ className = '' }) => {
            onChange={handleInputChange}
            onFocus={() => setIsFocused(true)}
            onBlur={() => setIsFocused(false)}
+            onKeyDown={handleKeyDown}
            placeholder="Pesquisar candidatos..." 
            className="flex-grow bg-transparent text-white placeholder-gray-400 p-3 focus:outline-none"
            autoComplete="off"
@@ -160,12 +202,13 @@ const SearchBar: React.FC<SearchBarProps> = ({ className = '' }) => {
              {error}
            </div>
          ) : (
-            <div className="max-h-80 overflow-y-auto custom-scrollbar">
-              {searchResults.map((candidate) => (
+            <div ref={resultsContainerRef} className="max-h-80 overflow-y-auto custom-scrollbar">
+              {searchResults.map((candidate, index) => (
                <button
                  key={candidate.idCandidato}
                  onClick={() => handleCandidateSelect(candidate)}
-                  className="w-full p-4 text-left hover:bg-gray-100 transition-colors border-b border-gray-100 last:border-b-0 focus:outline-none focus:bg-gray-100"
+                  onMouseEnter={() => setActiveIndex(index)}
+                  className={`w-full p-4 text-left hover:bg-gray-100 transition-colors border-b border-gray-100 last:border-b-0 focus:outline-none focus:bg-gray-100 ${index === activeIndex ? 'bg-gray-100' : ''}`}
                >
                  <div className="text-black font-semibold text-base">{candidate.nome}</div>
                  <div className="text-gray-600 text-sm mt-1">
--- a/src/components/SobrePage.tsx
+++ b/src/components/SobrePage.tsx
@@ -0,0 +1,120 @@
+import React from 'react';
+import { FaGithub, FaLinkedin } from 'react-icons/fa';
+
+const SobrePage: React.FC = () => {
+  return (
+    <div className="flex justify-center items-center min-h-[80vh] py-12 px-4">
+      <div
+        className="backdrop-blur-md bg-white/90 rounded-2xl shadow-xl p-8 max-w-3xl w-full border border-white/30"
+        style={{ boxShadow: '0 8px 32px 0 rgba(31, 38, 135, 0.2)' }}
+      >
+        <div className="space-y-4 text-gray-700">
+          <p className="text-lg leading-relaxed">
+            O <strong>OpenCand</strong> é uma plataforma que visa explorar de forma intuitiva os dados eleitorais brasileiros e possui
+            o objetivo de ser uma alternativa para o acesso às informações públicas do Tribunal Superior Eleitoral (TSE).
+          </p>
+
+          <p className="leading-relaxed">
+            O projeto foi desenvolvido por <strong className="inline-flex items-center gap-1">
+              ivanch
+              <a
+                href="https://github.com/ivanch"
+                target="_blank"
+                rel="noopener noreferrer"
+                className="align-middle inline-block hover:scale-110 transition-transform"
+                aria-label="GitHub"
+              >
+                <FaGithub className="text-gray-700 hover:text-black" size={16} />
+              </a>
+              <a
+                href="https://www.linkedin.com/in/joseivanch"
+                target="_blank"
+                rel="noopener noreferrer"
+                className="align-middle inline-block hover:scale-110 transition-transform"
+                aria-label="LinkedIn"
+              >
+                <FaLinkedin className="text-blue-700 hover:text-blue-900" size={16} />
+              </a>
+            </strong> como hobby, o código é semi-aberto e está disponível no <strong>GitHub</strong>.
+            Atualmente apenas o ETL (Extract-Transform-Load) está disponível, juntamente com o banco de dados final.
+          </p>
+
+          <p className="leading-relaxed">
+            A API também pode ser utilizada para acessar os dados de forma pública, porém ainda não está documentada. A documentação da API será disponibilizada em breve.
+          </p>
+
+          <div className="w-32 h-1 bg-gradient-to-r from-indigo-400 to-purple-400 mx-auto mt-6 rounded-full"></div>
+
+          <p className="leading-relaxed">
+            Não nos responsabilizamos por quaisquer erros ou inconsistências nos dados apresentados, pois estes são de livre interpretação da plataforma e devem ser verificados com os dados oficiais do TSE.
+            <br />
+            A plataforma é uma iniciativa independente e não possui qualquer vínculo com o TSE ou órgãos governamentais.
+          </p>
+
+          <div className="w-32 h-1 bg-gradient-to-r from-indigo-400 to-purple-400 mx-auto mt-6 rounded-full"></div>
+
+          <div className="mt-6 flex flex-col items-center">
+            <p className="font-semibold text-gray-800 mb-2 text-center">Links úteis:</p>
+            <ul className="space-y-2 w-full max-w-md">
+              <li className="flex items-center justify-center">
+                <span className="w-2 h-2 bg-indigo-500 rounded-full mr-3"></span>
+                <a
+                  href="https://divulgacandcontas.tse.jus.br/divulga/#/home"
+                  target="_blank"
+                  rel="noopener noreferrer"
+                  className="text-indigo-700 hover:underline hover:text-indigo-900 transition-colors text-center"
+                >
+                  DivulgaCand do TSE
+                </a>
+              </li>
+              <li className="flex items-center justify-center">
+                <span className="w-2 h-2 bg-indigo-500 rounded-full mr-3"></span>
+                <a
+                  href="https://sig.tse.jus.br/ords/dwapr/r/seai/sig-eleicao/home"
+                  target="_blank"
+                  rel="noopener noreferrer"
+                  className="text-indigo-700 hover:underline hover:text-indigo-900 transition-colors text-center"
+                >
+                  Estatísticas do TSE
+                </a>
+              </li>
+              <li className="flex items-center justify-center">
+                <span className="w-2 h-2 bg-indigo-500 rounded-full mr-3"></span>
+                <a
+                  href="https://dadosabertos.tse.jus.br/dataset/"
+                  target="_blank"
+                  rel="noopener noreferrer"
+                  className="text-indigo-700 hover:underline hover:text-indigo-900 transition-colors text-center"
+                >
+                  Dataset do TSE
+                </a>
+              </li>
+            </ul>
+          </div>
+
+          <div className="w-32 h-1 bg-gradient-to-r from-indigo-400 to-purple-400 mx-auto mt-6 rounded-full"></div>
+
+          <p className="leading-relaxed">
+            Contato: {[
+              'opencand',
+              <span key="at" style={{ userSelect: 'text' }}>@</span>,
+              'ivanch',
+              <span key="dot" style={{ userSelect: 'text' }}>.</span>,
+              'me'
+            ]}
+          </p>
+
+          <div className="mt-6 pt-4 border-t border-gray-300">
+            <p className="text-sm text-gray-600 text-center">
+              Desenvolvido com .NET, PostgreSQL, React (TypeScript/Tailwind CSS) e dados abertos do TSE.<br />
+              <span className="text-xs">
+              </span>
+            </p>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default SobrePage;
--- a/src/components/StatisticsPage/StatisticsFilters.tsx
+++ b/src/components/StatisticsPage/StatisticsFilters.tsx
@@ -79,7 +79,7 @@ const StatisticsFilters: React.FC<StatisticsFiltersProps> = ({
        {/* Party Filter */}
        <div className="space-y-2">
          <label className="block text-sm font-semibold text-gray-600 uppercase tracking-wide">
-            Partido (Opcional)
+            Partido
          </label>
          <select
            value={localFilters.partido || ''}
@@ -99,7 +99,7 @@ const StatisticsFilters: React.FC<StatisticsFiltersProps> = ({
        {/* UF Filter */}
        <div className="space-y-2">
          <label className="block text-sm font-semibold text-gray-600 uppercase tracking-wide">
-            UF (Opcional)
+            UF
          </label>
          <select
            value={localFilters.uf || ''}
@@ -119,7 +119,7 @@ const StatisticsFilters: React.FC<StatisticsFiltersProps> = ({
        {/* Year Filter */}
        <div className="space-y-2">
          <label className="block text-sm font-semibold text-gray-600 uppercase tracking-wide">
-            Ano (Opcional)
+            Ano
          </label>
          <select
            value={localFilters.ano || ''}
@@ -139,7 +139,7 @@ const StatisticsFilters: React.FC<StatisticsFiltersProps> = ({
        {/* Cargo Filter */}
        <div className="space-y-2">
          <label className="block text-sm font-semibold text-gray-600 uppercase tracking-wide">
-            Cargo (Opcional)
+            Cargo
          </label>
          <select
            value={localFilters.cargo || ''}
--- a/src/components/StatisticsPage/StatisticsGraphs.tsx
+++ b/src/components/StatisticsPage/StatisticsGraphs.tsx
@@ -1,6 +1,6 @@
 import React from 'react';
 import type { StatisticsData } from './statisticsRequests';
-import GlassCard from '../../shared/GlassCard';
+import WhiteCard from '../../shared/WhiteCard';

 interface StatisticsGraphsProps {
  isLoading: boolean;
@@ -16,29 +16,29 @@ const StatisticsGraphs: React.FC<StatisticsGraphsProps> = ({
  const [currentEnrichmentIndex, setCurrentEnrichmentIndex] = React.useState(0);
  if (error) {
    return (
-      <GlassCard className="flex items-center justify-center h-64">
+      <WhiteCard className="flex items-center justify-center h-64">
        <div className="text-center">
          <div className="text-red-600 text-lg mb-2">⚠️ Erro</div>
          <p className="text-gray-700">{error}</p>
        </div>
-      </GlassCard>
+      </WhiteCard>
    );
  }

  if (isLoading) {
    return (
-      <GlassCard className="flex items-center justify-center h-64">
+      <WhiteCard className="flex items-center justify-center h-64">
        <div className="text-center">
          <div className="animate-spin w-8 h-8 border-2 border-blue-600 border-t-transparent rounded-full mx-auto mb-4"></div>
          <p className="text-gray-700">Carregando dados...</p>
        </div>
-      </GlassCard>
+      </WhiteCard>
    );
  }

  if (!statisticsData) {
    return (
-      <GlassCard className="flex items-center justify-center h-64">
+      <WhiteCard className="flex items-center justify-center h-64">
        <div className="text-center">
          <div className="text-gray-500 text-4xl mb-4">📊</div>
          <h3 className="text-gray-900 text-lg mb-2">Nenhum dado encontrado</h3>
@@ -46,19 +46,19 @@ const StatisticsGraphs: React.FC<StatisticsGraphsProps> = ({
            Os dados estatísticos não puderam ser carregados
          </p>
        </div>
-      </GlassCard>
+      </WhiteCard>
    );
  }

  const renderDataTable = (title: string, data: any[], type: 'candidate' | 'party' | 'state' | 'enrichment') => {
    if (!data || data.length === 0) {
      return (
-        <GlassCard>
+        <WhiteCard>
          <div>
            <h3 className="text-lg font-semibold text-gray-900 mb-4">{title}</h3>
            <p className="text-gray-700">Nenhum dado disponível</p>
          </div>
-        </GlassCard>
+        </WhiteCard>
      );
    }

@@ -79,7 +79,7 @@ const StatisticsGraphs: React.FC<StatisticsGraphsProps> = ({
      };

      return (
-        <GlassCard>
+        <WhiteCard>
          <div className="relative">
            <h3 className="text-lg font-semibold text-gray-900 mb-4">{title}</h3>
            <div className="space-y-3">
@@ -95,14 +95,14 @@ const StatisticsGraphs: React.FC<StatisticsGraphsProps> = ({
              <div className="flex justify-between items-center">
                <span className="text-gray-600">Patrimônio Inicial (<span className="text-xs text-gray-500">{enrichmentData.anoInicial}</span>):</span>
                <span className="text-gray-900 font-medium">
-                  R$ {enrichmentData.patrimonioInicial?.toLocaleString('pt-BR') || '0'}
+                  R$ {enrichmentData.patrimonioInicial?.toLocaleString('pt-BR', { minimumFractionDigits: 2, maximumFractionDigits: 2 }) || '0,00'}
                        
                </span>
              </div>
              <div className="flex justify-between items-center">
                <span className="text-gray-600">Patrimônio Final (<span className="text-xs text-gray-500">{enrichmentData.anoFinal}</span>):</span>
                <span className="text-gray-900 font-medium">
-                  R$ {enrichmentData.patrimonioFinal?.toLocaleString('pt-BR') || '0'}
+                  R$ {enrichmentData.patrimonioFinal?.toLocaleString('pt-BR', { minimumFractionDigits: 2, maximumFractionDigits: 2 }) || '0,00'}
                </span>
              </div>
              <div className="border-t border-gray-200 pt-3">
@@ -112,7 +112,7 @@ const StatisticsGraphs: React.FC<StatisticsGraphsProps> = ({
                    enrichmentData.enriquecimento >= 0 ? 'text-green-600' : 'text-red-600'
                  }`}>
                    {enrichmentData.enriquecimento >= 0 ? '+' : ''}
-                    R$ {enrichmentData.enriquecimento?.toLocaleString('pt-BR') || '0'}
+                    R$ {enrichmentData.enriquecimento?.toLocaleString('pt-BR', { minimumFractionDigits: 2, maximumFractionDigits: 2 }) || '0,00'}
                  </span>
                </div>
              </div>
@@ -157,12 +157,12 @@ const StatisticsGraphs: React.FC<StatisticsGraphsProps> = ({
              </div>
            )}
          </div>
-        </GlassCard>
+        </WhiteCard>
      );
    }

    return (
-      <GlassCard>
+      <WhiteCard>
        <div>
          <h3 className="text-lg font-semibold text-gray-900 mb-4">{title}</h3>
          <div className="overflow-auto max-h-90 overflow-y-auto custom-scrollbar pr-2">
@@ -202,7 +202,7 @@ const StatisticsGraphs: React.FC<StatisticsGraphsProps> = ({
                    )}
                    <td className="py-3 text-gray-900">{item.ano || 'N/A'}</td>
                    <td className="py-3 text-right font-medium text-gray-900">
-                      R$ {item.valor?.toLocaleString('pt-BR') || '0'}
+                      R$ {item.valor?.toLocaleString('pt-BR', { minimumFractionDigits: 2, maximumFractionDigits: 2 }) || '0,00'}
                    </td>
                  </tr>
                ))}
@@ -210,7 +210,7 @@ const StatisticsGraphs: React.FC<StatisticsGraphsProps> = ({
            </table>
          </div>
        </div>
-      </GlassCard>
+      </WhiteCard>
    );
  };

--- a/src/components/StatisticsPage/StatisticsPage.tsx
+++ b/src/components/StatisticsPage/StatisticsPage.tsx
@@ -1,5 +1,5 @@
 import React, { useState, useEffect } from 'react';
-import GlassCard from '../../shared/GlassCard';
+import WhiteCard from '../../shared/WhiteCard';
 import StatisticsFilters from './StatisticsFilters';
 import StatisticsGraphs from './StatisticsGraphs';
 import { fetchAllStatisticsData, type StatisticsData, type StatisticsRequestOptions } from './statisticsRequests';
@@ -66,13 +66,16 @@ const StatisticsPage: React.FC = () => {
          <p className="text-white/70 text-lg">
            Análise de dados e estatísticas dos candidatos e partidos brasileiros
          </p>
+          <p className="text-white/70 text-lg">
+            Para mais informações, acesse a <a href="https://sig.tse.jus.br/ords/dwapr/r/seai/sig-eleicao/home" target="_blank" rel="noopener noreferrer" className="text-indigo-400 hover:underline">página de estatísticas do TSE</a> ou o <a href="https://divulgacandcontas.tse.jus.br/divulga/#/home" target="_blank" rel="noopener noreferrer" className="text-indigo-400 hover:underline">DivulgaCand do TSE</a>.
+          </p>
          <div className="w-32 h-1 bg-gradient-to-r from-indigo-400 to-purple-400 mx-auto mt-6 rounded-full"></div>
        </div>

        <div className="flex gap-6 ">
          {/* Left Sidebar - Filters (20% width) */}
          <div className="w-1/5 min-w-[300px] h-[calc(100vh-12rem)]">
-            <GlassCard 
+            <WhiteCard 
              fullHeight 
              className="overflow-y-auto"
            >
@@ -81,7 +84,7 @@ const StatisticsPage: React.FC = () => {
                onFiltersChange={handleFiltersChange}
                isLoading={isLoading}
              />
-            </GlassCard>
+            </WhiteCard>
          </div>

          {/* Right Content - Graphs (80% width) */}
--- a/src/components/StatisticsPage/statisticsRequests.ts
+++ b/src/components/StatisticsPage/statisticsRequests.ts
@@ -24,12 +24,14 @@ export interface StatisticsData {
 }

 export interface StatisticsRequestOptions {
-  filters?: {
+  filters?: StatisticsRequestFilters;
+}
+
+export interface StatisticsRequestFilters {
  partido?: string | null;
  uf?: string | null;
  ano?: number | null;
  cargo?: CargoFilter;
-  };
 }

 // First Row Requests
@@ -44,9 +46,9 @@ export async function getCandidatesWithMostAssets(options?: StatisticsRequestOpt
  return Array.isArray(response) ? response : [response];
 }

-export async function getEnrichmentData(): Promise<EnrichmentResponse[] | null> {
+export async function getEnrichmentData(filters?: StatisticsRequestFilters): Promise<EnrichmentResponse[] | null> {
  try {
-    return await openCandApi.getStatisticsEnrichment();
+    return await openCandApi.getStatisticsEnrichment(filters);
  } catch (error) {
    console.error('Error fetching enrichment data:', error);
    return null;
@@ -167,7 +169,7 @@ export async function fetchAllStatisticsData(options?: StatisticsRequestOptions)
      statesWithMostRevenue
    ] = await Promise.all([
      getCandidatesWithMostAssets(options),
-      getEnrichmentData(),
+      getEnrichmentData(options?.filters),
      getCandidatesWithMostRevenue(options),
      getCandidatesWithMostExpenses(options),
      getPartiesWithMostAssets(options),
--- a/src/config/firebase.ts
+++ b/src/config/firebase.ts
@@ -0,0 +1,25 @@
+
+import { initializeApp } from "firebase/app";
+import { getAnalytics } from "firebase/analytics";
+
+const firebaseConfig = {
+  apiKey: import.meta.env.VITE_FIREBASE_API_KEY,
+  authDomain: import.meta.env.VITE_FIREBASE_AUTH_DOMAIN,
+  projectId: import.meta.env.VITE_FIREBASE_PROJECT_ID,
+  storageBucket: import.meta.env.VITE_FIREBASE_STORAGE_BUCKET,
+  messagingSenderId: import.meta.env.VITE_FIREBASE_MESSAGING_SENDER_ID,
+  appId: import.meta.env.VITE_FIREBASE_APP_ID,
+  measurementId: import.meta.env.VITE_FIREBASE_MEASUREMENT_ID
+};
+
+let app = null;
+let analytics = null;
+
+if (firebaseConfig.apiKey) {
+  app = initializeApp(firebaseConfig);
+  analytics = getAnalytics(app);
+} else {
+  console.warn("Firebase API key is not set. Firebase will not be initialized.");
+}
+
+export { app, analytics };
--- a/src/index.css
+++ b/src/index.css
@@ -27,81 +27,3 @@ body {

  @apply bg-gray-900 text-white;
 }
-
-h1 {
-  font-size: 3.2em;
-  line-height: 1.1;
-}
-
-/* button {
-  border-radius: 8px;
-  border: 1px solid transparent;
-  padding: 0.6em 1.2em;
-  font-size: 1em;
-  font-weight: 500;
-  font-family: inherit;
-  cursor: pointer;
-  transition: border-color 0.25s;
-}
-button:hover {
-  border-color: #646cff;
-}
-button:focus,
-button:focus-visible {
-  outline: 4px auto -webkit-focus-ring-color;
-} */
-
-/* Custom minimal scrollbar styles */
-.custom-scrollbar {
-  scrollbar-width: thin;
-  scrollbar-color: rgba(156, 163, 175, 0.5) transparent;
-}
-
-.custom-scrollbar::-webkit-scrollbar {
-  width: 1px;
-}
-
-.custom-scrollbar::-webkit-scrollbar-track {
-  background: transparent;
-}
-
-.custom-scrollbar::-webkit-scrollbar-thumb {
-  background-color: rgba(156, 163, 175, 0.5);
-  border-radius: 2px;
-  transition: background-color 0.2s ease;
-}
-
-.custom-scrollbar::-webkit-scrollbar-thumb:hover {
-  background-color: rgba(107, 114, 128, 0.7);
-}
-
-.custom-scrollbar::-webkit-scrollbar-corner {
-  background: transparent;
-}
-
-/* Ensure full width layout */
-html, body, #root {
-  width: 100%;
-  margin: 0;
-  padding: 0;
-}
-
-#root {
-  min-height: 100vh;
-}
-
-/* Custom fade-in animation for dropdown content */
-@keyframes fadeIn {
-  from {
-    opacity: 0;
-    transform: translateY(-10px);
-  }
-  to {
-    opacity: 1;
-    transform: translateY(0);
-  }
-}
-
-.animate-fadeIn {
-  animation: fadeIn 0.3s ease-out forwards;
-}
--- a/src/main.tsx
+++ b/src/main.tsx
@@ -3,6 +3,7 @@ import { createRoot } from 'react-dom/client'
 import { BrowserRouter } from 'react-router-dom'
 import './index.css'
 import App from './App.tsx'
+import './config/firebase.ts'

 createRoot(document.getElementById('root')!).render(
  <StrictMode>
--- a/src/shared/Button.tsx
+++ b/src/shared/Button.tsx
@@ -5,6 +5,7 @@ interface ButtonProps {
  className?: string;
  hasAnimation?: boolean;
  disableCursor?: boolean;
+  disabled?: boolean;
  onClick?: () => void;
  href?: string;
  type?: 'button' | 'submit' | 'reset';
@@ -15,6 +16,7 @@ const Button: React.FC<ButtonProps> = ({
  className = "", 
  hasAnimation = true, 
  disableCursor = false, 
+  disabled = false,
  onClick,
  href,
  type = 'button'
@@ -54,6 +56,7 @@ const Button: React.FC<ButtonProps> = ({
      type={type}
      onClick={onClick}
      className={baseClasses}
+      disabled={disabled}
    >
      {children}
    </button>
--- a/src/shared/GradientButton.tsx
+++ b/src/shared/GradientButton.tsx
@@ -0,0 +1,46 @@
+import React from 'react';
+import { Link, type LinkProps } from 'react-router-dom';
+
+interface GradientButtonProps extends React.PropsWithChildren {
+  className?: string;
+  to?: LinkProps['to'];
+  href?: string;
+  [x: string]: any; // To allow other props like target, rel, type, etc.
+}
+
+const GradientButton: React.FC<GradientButtonProps> = ({
+  children,
+  className = '',
+  to,
+  href,
+  ...props
+}) => {
+  const baseClasses =
+    'bg-gradient-to-r from-indigo-500 to-purple-600 text-white font-semibold rounded-lg hover:from-indigo-600 hover:to-purple-700 transition-all duration-300 transform shadow-lg hover:shadow-xl';
+
+  const combinedClassName = `${baseClasses} ${className}`;
+
+  if (to) {
+    return (
+      <Link to={to} {...props} className={combinedClassName}>
+        {children}
+      </Link>
+    );
+  }
+
+  if (href) {
+    return (
+      <a href={href} {...props} className={combinedClassName}>
+        {children}
+      </a>
+    );
+  }
+
+  return (
+    <button type="button" {...props} className={combinedClassName}>
+      {children}
+    </button>
+  );
+};
+
+export default GradientButton;
--- a/src/shared/RandomCandButton.tsx
+++ b/src/shared/RandomCandButton.tsx
@@ -9,30 +9,44 @@ interface RandomCandButtonProps {
  hasAnimation?: boolean;
 }

+
 const RandomCandButton: React.FC<RandomCandButtonProps> = ({ 
  className = '', 
  hasAnimation = false 
 }) => {
  const navigate = useNavigate();
+  const [loading, setLoading] = React.useState(false);

  const handleRandomCandidate = async () => {
+    setLoading(true);
    try {
      const randomCandidate = await openCandApi.getRandomCandidate();
      navigate(`/candidato/${randomCandidate.idCandidato}`);
    } catch (error) {
      console.error('Erro ao buscar candidato aleatório:', error);
      // You might want to show a toast notification or error message to the user
+    } finally {
+      setLoading(false);
    }
  };

  return (
    <Button 
      onClick={handleRandomCandidate} 
-      className={`flex items-center ${className}`}
+      className={`flex items-center relative overflow-hidden ${className}`}
      hasAnimation={hasAnimation}
+      disabled={loading}
+    >
+      <ArrowPathIcon 
+        className={`h-4 w-4 transition-transform duration-500 ${loading ? 'animate-spin' : 'mr-2'}`}
+        style={{ zIndex: 2 }}
+      />
+      <span
+        className={`inline-block transition-all duration-300 origin-left whitespace-nowrap ${loading ? 'scale-x-0 max-w-0' : 'scale-x-100 max-w-xs'}`}
+        style={{ zIndex: 1, transitionProperty: 'transform, max-width' }}
      >
-      <ArrowPathIcon className="h-4 w-4 mr-2" />
        Candidato aleatório
+      </span>
    </Button>
  );
 };
--- a/src/shared/WhiteCard.tsx
+++ b/src/shared/WhiteCard.tsx
@@ -1,13 +1,13 @@
 import React from 'react';

-interface GlassCardProps {
+interface WhiteCardProps {
  children: React.ReactNode;
  className?: string;
  fullHeight?: boolean;
  padding?: string;
 }

-const GlassCard: React.FC<GlassCardProps> = ({
+const WhiteCard: React.FC<WhiteCardProps> = ({
  children,
  className = '',
  fullHeight = false,
@@ -27,4 +27,4 @@ const GlassCard: React.FC<GlassCardProps> = ({
  );
 };

-export default GlassCard;
+export default WhiteCard;
--- a/src/utils/utils.ts
+++ b/src/utils/utils.ts
@@ -1,19 +1,15 @@
 /**
- * Formats a CPF string with masking (123.***.789-10)
+ * Formats a CPF string (might include masking) and masks it for display.
 * @param cpf - A CPF string (11 digits without punctuation)
 * @returns Formatted CPF with masking or the original input if invalid
 */
 export function maskCpf(cpf: string): string {
-    // Clean input, keeping only digits
-    const cleanCpf = cpf.replace(/\D/g, '');
-    
    // Validate if it's 11 digits
-    if (cleanCpf.length !== 11) {
+    if (cpf.length !== 11) {
        return cpf;
    }
-    
-    // Format with mask: 123.***.789-10
-    return `${cleanCpf.slice(0, 3)}.***.${cleanCpf.slice(6, 9)}-${cleanCpf.slice(9)}`;
+    // Mask with standard punctuation: 123.456.789-10
+    return `${cpf.slice(0, 3)}.${cpf.slice(3, 6)}.${cpf.slice(6, 9)}-${cpf.slice(9)}`;
 }

 /**
Author	SHA1	Message	Date
José Henrique	720596f6f8	adding dynamic hero text header All checks were successful Frontend Build and Deploy / build (push) Successful in 44s Details	2025-09-12 21:36:04 -03:00
José Henrique	dd2af50722	scroll not working for recursos	2025-09-12 21:30:30 -03:00
José Henrique	f56b030435	removing firebase hard-dependency	2025-09-12 21:27:05 -03:00
José Henrique	4e12ab32e8	add filters to statistics	2025-09-12 21:26:58 -03:00
José Henrique	8090fd13a3	add Firebase integration and configuration All checks were successful Frontend Build and Deploy / build (push) Successful in 32s Details	2025-07-11 22:32:45 -03:00
José Henrique	3084a8e27d	small fix All checks were successful Frontend Build and Deploy / build (push) Successful in 1m4s Details	2025-06-30 09:37:23 -03:00
José Henrique	3e8ce05f79	refactors All checks were successful Frontend Build and Deploy / build (push) Successful in 27s Details	2025-06-20 20:00:15 -03:00
José Henrique	a1d3add884	fix disabled All checks were successful Frontend Build and Deploy / build (push) Successful in 28s Details	2025-06-19 21:43:23 -03:00
José Henrique	46e76acad3	tech stats + db dump Some checks failed Frontend Build and Deploy / build (push) Failing after 57s Details	2025-06-19 21:40:38 -03:00
José Henrique	ceaffc088e	adding logos e melhorias	2025-06-19 20:33:02 -03:00
José Henrique	af7bd64617	solving scrollbar missing "issue"	2025-06-19 20:07:20 -03:00
José Henrique	c347d5ce24	cpf masking	2025-06-19 19:55:35 -03:00
José Henrique	7acbc48f43	mais melhorias gerais	2025-06-19 18:10:49 -03:00
José Henrique	7512f42e2f	pequenas mudanças	2025-06-19 09:58:58 -03:00