Update app.py

app.py

@@ -192,12 +192,8 @@ def get_user_commit_stats(username):
             except:
                 pass
         
-        # Calculate contribution score
-        # Weight: Models=3, Spaces=2, Datasets=1, Commits=0.1
-        score = (items_count["model"] * 3 + 
-                items_count["space"] * 2 + 
-                items_count["dataset"] * 1 + 
-                total_commits * 0.1)
+        # Calculate contribution score based on commits only
+        score = total_commits
         
         return {
             "username": username,
@@ -782,8 +778,8 @@ with st.sidebar:
     
     with tab1:
         # Show combined trending accounts list with commit-based ranking
-        st.markdown('<div class="subheader"><h3>🔥 Top 100 Contributors by Score</h3></div>', unsafe_allow_html=True)
-        st.markdown('<p style="font-size: 0.9rem; color: #666; margin-bottom: 10px;">Ranked by contribution score (Models×3 + Spaces×2 + Datasets×1 + Commits×0.1)</p>', unsafe_allow_html=True)
+        st.markdown('<div class="subheader"><h3>🔥 Top 100 Contributors by Commits</h3></div>', unsafe_allow_html=True)
+        st.markdown('<p style="font-size: 0.9rem; color: #666; margin-bottom: 10px;">Ranked by total commit count</p>', unsafe_allow_html=True)
         
         # Create a data frame for the table
         if user_stats:
@@ -801,15 +797,15 @@ with st.sidebar:
                 
                 overall_data.append([
                     f"{rank_display}{stat['username']}", 
-                    f"{stat['score']:.1f}",
                     str(stat['estimated_commits']),
                     str(stat['models']),
-                    str(stat['spaces'])
+                    str(stat['spaces']),
+                    str(stat['datasets'])
                 ])
             
             ranking_data_overall = pd.DataFrame(
                 overall_data, 
-                columns=["Contributor", "Score", "Est. Commits", "Models", "Spaces"]
+                columns=["Contributor", "Total Commits", "Models", "Spaces", "Datasets"]
             )
             ranking_data_overall.index = ranking_data_overall.index + 1  # Start index from 1 for ranking
 
@@ -818,10 +814,10 @@ with st.sidebar:
                 height=900,  # 약 30행 정도 보이도록 픽셀 단위 높이 설정
                 column_config={
                     "Contributor": st.column_config.TextColumn("Contributor"),
-                    "Score": st.column_config.TextColumn("Score"),
-                    "Est. Commits": st.column_config.TextColumn("Est. Commits"),
+                    "Total Commits": st.column_config.TextColumn("Total Commits"),
                     "Models": st.column_config.TextColumn("Models"),
-                    "Spaces": st.column_config.TextColumn("Spaces")
+                    "Spaces": st.column_config.TextColumn("Spaces"),
+                    "Datasets": st.column_config.TextColumn("Datasets")
                 },
                 use_container_width=True,
                 hide_index=False
@@ -1252,4 +1248,1254 @@ else:
               f'<img src="https://huggingface.co/datasets/huggingface/brand-assets/resolve/main/hf-logo.svg" style="width: 200px; margin-bottom: 30px;">'
               f'<h2>Welcome to Hugging Face Contributions Dashboard</h2>'
               f'<p style="font-size: 1.2rem;">Please select a contributor from the sidebar to view their activity.</p>'
-              f'</div>', unsafe_allow_html=True)   
+              f'</div>', unsafe_allow_html=True)import streamlit as st
+from huggingface_hub import HfApi
+import pandas as pd
+import matplotlib.pyplot as plt
+import seaborn as sns
+from datetime import datetime
+from concurrent.futures import ThreadPoolExecutor, as_completed
+from functools import lru_cache
+import time
+import requests
+from collections import Counter
+import numpy as np
+
+st.set_page_config(page_title="HF Contributions", layout="wide", initial_sidebar_state="expanded")
+
+# 향상된 UI 스타일링
+st.markdown("""
+<style>
+    /* 사이드바 스타일링 */
+    [data-testid="stSidebar"] {
+        min-width: 35vw !important;
+        max-width: 35vw !important;
+        background-color: #f8f9fa;
+        padding: 1rem;
+        border-right: 1px solid #e9ecef;
+    }
+    
+    /* 헤더 스타일링 */
+    h1, h2, h3 {
+        color: #1e88e5;
+        font-weight: 700;
+    }
+    h1 {
+        font-size: 2.5rem;
+        margin-bottom: 1.5rem;
+        border-bottom: 2px solid #e0e0e0;
+        padding-bottom: 0.5rem;
+    }
+    h2 {
+        font-size: 1.8rem;
+        margin-top: 1.5rem;
+    }
+    h3 {
+        font-size: 1.4rem;
+        margin-top: 1rem;
+    }
+    
+    /* 카드 스타일링 */
+    div[data-testid="stMetric"] {
+        background-color: #f1f8fe;
+        border-radius: 10px;
+        padding: 1rem;
+        box-shadow: 0 2px 5px rgba(0,0,0,0.05);
+        margin-bottom: 1rem;
+    }
+    
+    /* 차트 컨테이너 스타일링 */
+    .chart-container {
+        background-color: white;
+        border-radius: 10px;
+        padding: 1rem;
+        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
+        margin: 1rem 0;
+    }
+    
+    /* 테이블 스타일링 */
+    div[data-testid="stDataFrame"] {
+        background-color: white;
+        border-radius: 10px;
+        padding: 0.5rem;
+        box-shadow: 0 2px 5px rgba(0,0,0,0.05);
+    }
+    
+    /* 탭 스타일링 */
+    button[data-baseweb="tab"] {
+        font-weight: 600;
+    }
+    
+    /* 서브헤더 배경 */
+    .subheader {
+        background-color: #f1f8fe;
+        padding: 0.5rem 1rem;
+        border-radius: 5px;
+        margin-bottom: 1rem;
+    }
+    
+    /* 정보 뱃지 */
+    .info-badge {
+        background-color: #e3f2fd;
+        color: #1976d2;
+        padding: 0.3rem 0.7rem;
+        border-radius: 20px;
+        display: inline-block;
+        font-weight: 500;
+        margin-right: 0.5rem;
+    }
+    
+    /* 프로그레스 바 */
+    div[data-testid="stProgress"] {
+        height: 0.5rem !important;
+    }
+    
+    /* 버튼 스타일링 */
+    .stButton button {
+        background-color: #1e88e5;
+        color: white;
+        border: none;
+        font-weight: 500;
+    }
+    
+    /* 경고/성공 메시지 개선 */
+    div[data-testid="stAlert"] {
+        border-radius: 10px;
+        margin: 1rem 0;
+    }
+    
+    /* 카테고리 분석 섹션 */
+    .category-section {
+        background-color: white;
+        border-radius: 10px;
+        padding: 1rem;
+        margin-bottom: 1.5rem;
+        box-shadow: 0 2px 5px rgba(0,0,0,0.05);
+    }
+</style>
+""", unsafe_allow_html=True)
+
+api = HfApi()
+
+# Cache for API responses
+@lru_cache(maxsize=1000)
+def cached_repo_info(repo_id, repo_type):
+    return api.repo_info(repo_id=repo_id, repo_type=repo_type)
+
+@lru_cache(maxsize=1000)
+def cached_list_commits(repo_id, repo_type):
+    return list(api.list_repo_commits(repo_id=repo_id, repo_type=repo_type))
+
+@lru_cache(maxsize=100)
+def cached_list_items(username, kind):
+    if kind == "model":
+        return list(api.list_models(author=username))
+    elif kind == "dataset":
+        return list(api.list_datasets(author=username))
+    elif kind == "space":
+        return list(api.list_spaces(author=username))
+    return []
+
+# Rate limiting
+class RateLimiter:
+    def __init__(self, calls_per_second=10):
+        self.calls_per_second = calls_per_second
+        self.last_call = 0
+
+    def wait(self):
+        current_time = time.time()
+        time_since_last_call = current_time - self.last_call
+        if time_since_last_call < (1.0 / self.calls_per_second):
+            time.sleep((1.0 / self.calls_per_second) - time_since_last_call)
+        self.last_call = time.time()
+
+rate_limiter = RateLimiter()
+
+# Function to fetch quick commit stats for a user (optimized for ranking)
+@st.cache_data(ttl=3600)  # Cache for 1 hour
+def get_user_commit_stats(username):
+    """Fetch basic commit statistics for a user"""
+    try:
+        total_commits = 0
+        items_count = {"model": 0, "dataset": 0, "space": 0}
+        
+        for kind in ["model", "dataset", "space"]:
+            try:
+                items = cached_list_items(username, kind)
+                items_count[kind] = len(items)
+                
+                # Sample a few repos to estimate commit activity
+                sample_size = min(5, len(items))  # Check up to 5 repos per type
+                if sample_size > 0:
+                    sample_items = items[:sample_size]
+                    for item in sample_items:
+                        try:
+                            rate_limiter.wait()
+                            commits = cached_list_commits(item.id, kind)
+                            total_commits += len(commits)
+                        except:
+                            pass
+                    
+                    # Estimate total commits based on sample
+                    if sample_size < len(items):
+                        total_commits = int(total_commits * len(items) / sample_size)
+            except:
+                pass
+        
+        # Calculate contribution score based on commits only
+        score = total_commits
+        
+        return {
+            "username": username,
+            "models": items_count["model"],
+            "spaces": items_count["space"],
+            "datasets": items_count["dataset"],
+            "estimated_commits": total_commits,
+            "score": score
+        }
+    except Exception as e:
+        return {
+            "username": username,
+            "models": 0,
+            "spaces": 0,
+            "datasets": 0,
+            "estimated_commits": 0,
+            "score": 0
+        }
+
+# Enhanced function to get trending accounts with commit-based ranking
+@st.cache_data(ttl=3600)  # Cache for 1 hour
+def get_trending_accounts_with_commits(limit=100):
+    try:
+        # First, get top accounts by model/space count
+        spaces_response = requests.get("https://huggingface.co/api/spaces", 
+                                      params={"limit": 10000}, 
+                                      timeout=30)
+        models_response = requests.get("https://huggingface.co/api/models", 
+                                      params={"limit": 10000}, 
+                                      timeout=30)
+        
+        # Process spaces data
+        top_space_owners = []
+        if spaces_response.status_code == 200:
+            spaces = spaces_response.json()
+            owner_counts_spaces = {}
+            for space in spaces:
+                if '/' in space.get('id', ''):
+                    owner, _ = space.get('id', '').split('/', 1)
+                else:
+                    owner = space.get('owner', '')
+                
+                if owner != 'None':
+                    owner_counts_spaces[owner] = owner_counts_spaces.get(owner, 0) + 1
+            
+            top_space_owners = sorted(owner_counts_spaces.items(), key=lambda x: x[1], reverse=True)[:limit]
+        
+        # Process models data
+        top_model_owners = []
+        if models_response.status_code == 200:
+            models = models_response.json()
+            owner_counts_models = {}
+            for model in models:
+                if '/' in model.get('id', ''):
+                    owner, _ = model.get('id', '').split('/', 1)
+                else:
+                    owner = model.get('owner', '')
+                
+                if owner != 'None':
+                    owner_counts_models[owner] = owner_counts_models.get(owner, 0) + 1
+            
+            top_model_owners = sorted(owner_counts_models.items(), key=lambda x: x[1], reverse=True)[:limit]
+        
+        # Get unique users from top 100 of both lists
+        unique_users = set()
+        for owner, _ in top_space_owners[:100]:
+            unique_users.add(owner)
+        for owner, _ in top_model_owners[:100]:
+            unique_users.add(owner)
+        
+        # Create progress bar for fetching commit stats
+        progress_text = st.empty()
+        progress_bar = st.progress(0)
+        progress_text.text(f"Analyzing top contributors... (0/{len(unique_users)})")
+        
+        # Fetch commit stats for all unique users
+        user_stats = []
+        with ThreadPoolExecutor(max_workers=5) as executor:
+            future_to_user = {executor.submit(get_user_commit_stats, user): user for user in unique_users}
+            completed = 0
+            for future in as_completed(future_to_user):
+                stats = future.result()
+                if stats["score"] > 0:  # Only include users with some activity
+                    user_stats.append(stats)
+                completed += 1
+                progress = completed / len(unique_users)
+                progress_bar.progress(progress)
+                progress_text.text(f"Analyzing top contributors... ({completed}/{len(unique_users)})")
+        
+        # Clear progress indicators
+        progress_text.empty()
+        progress_bar.empty()
+        
+        # Sort by score (combination of commits and repo counts)
+        user_stats.sort(key=lambda x: x["score"], reverse=True)
+        
+        # Extract rankings
+        trending_authors = [stat["username"] for stat in user_stats[:limit]]
+        
+        # Create detailed rankings for display
+        spaces_rank_data = [(stat["username"], stat["spaces"]) for stat in user_stats if stat["spaces"] > 0][:limit]
+        models_rank_data = [(stat["username"], stat["models"]) for stat in user_stats if stat["models"] > 0][:limit]
+        
+        return trending_authors, spaces_rank_data, models_rank_data, user_stats[:limit]
+        
+    except Exception as e:
+        st.error(f"Error fetching trending accounts: {str(e)}")
+        fallback_authors = ["ritvik77", "facebook", "google", "stabilityai", "Salesforce", "tiiuae", "bigscience"]
+        fallback_stats = [{"username": author, "models": 0, "spaces": 0, "datasets": 0, "estimated_commits": 0, "score": 0} for author in fallback_authors]
+        return fallback_authors, [(author, 0) for author in fallback_authors], [(author, 0) for author in fallback_authors], fallback_stats
+
+# Function to fetch commits for a repository (optimized)
+def fetch_commits_for_repo(repo_id, repo_type, username, selected_year):
+    try:
+        rate_limiter.wait()
+        # Skip private/gated repos upfront
+        repo_info = cached_repo_info(repo_id, repo_type)
+        if repo_info.private or (hasattr(repo_info, 'gated') and repo_info.gated):
+            return [], 0
+
+        # Get initial commit date
+        initial_commit_date = pd.to_datetime(repo_info.created_at).tz_localize(None).date()
+        commit_dates = []
+        commit_count = 0
+
+        # Add initial commit if it's from the selected year
+        if initial_commit_date.year == selected_year:
+            commit_dates.append(initial_commit_date)
+            commit_count += 1
+
+        # Get all commits
+        commits = cached_list_commits(repo_id, repo_type)
+        for commit in commits:
+            commit_date = pd.to_datetime(commit.created_at).tz_localize(None).date()
+            if commit_date.year == selected_year:
+                commit_dates.append(commit_date)
+                commit_count += 1
+
+        return commit_dates, commit_count
+    except Exception as e:
+        return [], 0
+
+# Function to get commit events for a user (optimized)
+def get_commit_events(username, kind=None, selected_year=None):
+    commit_dates = []
+    items_with_type = []
+    kinds = [kind] if kind else ["model", "dataset", "space"]
+
+    for k in kinds:
+        try:
+            items = cached_list_items(username, k)
+            items_with_type.extend((item, k) for item in items)
+            repo_ids = [item.id for item in items]
+
+            # Optimized parallel fetch with chunking
+            chunk_size = 5  # Process 5 repos at a time
+            for i in range(0, len(repo_ids), chunk_size):
+                chunk = repo_ids[i:i + chunk_size]
+                with ThreadPoolExecutor(max_workers=min(5, len(chunk))) as executor:
+                    future_to_repo = {
+                        executor.submit(fetch_commits_for_repo, repo_id, k, username, selected_year): repo_id
+                        for repo_id in chunk
+                    }
+                    for future in as_completed(future_to_repo):
+                        repo_commits, repo_count = future.result()
+                        if repo_commits:  # Only extend if we got commits
+                            commit_dates.extend(repo_commits)
+        except Exception as e:
+            st.warning(f"Error fetching {k}s for {username}: {str(e)}")
+
+    # Create DataFrame with all commits
+    df = pd.DataFrame(commit_dates, columns=["date"])
+    if not df.empty:
+        df = df.drop_duplicates()  # Remove any duplicate dates
+    return df, items_with_type
+
+# Calendar heatmap function (optimized)
+def make_calendar_heatmap(df, title, year):
+    if df.empty:
+        st.info(f"No {title.lower()} found for {year}.")
+        return
+
+    # Optimize DataFrame operations
+    df["count"] = 1
+    df = df.groupby("date", as_index=False).sum()
+    df["date"] = pd.to_datetime(df["date"])
+
+    # Create date range more efficiently
+    start = pd.Timestamp(f"{year}-01-01")
+    end = pd.Timestamp(f"{year}-12-31")
+    all_days = pd.date_range(start=start, end=end)
+
+    # Optimize DataFrame creation and merging
+    heatmap_data = pd.DataFrame({"date": all_days, "count": 0})
+    heatmap_data = heatmap_data.merge(df, on="date", how="left", suffixes=("", "_y"))
+    heatmap_data["count"] = heatmap_data["count_y"].fillna(0)
+    heatmap_data = heatmap_data.drop("count_y", axis=1)
+
+    # Calculate week and day of week more efficiently
+    heatmap_data["dow"] = heatmap_data["date"].dt.dayofweek
+    heatmap_data["week"] = (heatmap_data["date"] - start).dt.days // 7
+
+    # Create pivot table more efficiently
+    pivot = heatmap_data.pivot(index="dow", columns="week", values="count").fillna(0)
+
+    # Optimize month labels calculation
+    month_labels = pd.date_range(start, end, freq="MS").strftime("%b")
+    month_positions = pd.date_range(start, end, freq="MS").map(lambda x: (x - start).days // 7)
+
+    # Create custom colormap with specific boundaries
+    from matplotlib.colors import ListedColormap, BoundaryNorm
+    colors = ['#ebedf0', '#9be9a8', '#40c463', '#30a14e', '#216e39']  # GitHub-style green colors
+    bounds = [0, 1, 3, 11, 31, float('inf')]  # Boundaries for color transitions
+    cmap = ListedColormap(colors)
+    norm = BoundaryNorm(bounds, cmap.N)
+
+    # Create plot more efficiently
+    fig, ax = plt.subplots(figsize=(12, 1.5))
+
+    # Convert pivot values to integers to ensure proper color mapping
+    pivot_int = pivot.astype(int)
+
+    # Create heatmap with explicit vmin and vmax
+    sns.heatmap(pivot_int, ax=ax, cmap=cmap, norm=norm, linewidths=0.5, linecolor="white",
+                square=True, cbar=False, yticklabels=["M", "T", "W", "T", "F", "S", "S"])
+
+    ax.set_title(f"{title}", fontsize=14, pad=10)
+    ax.set_xlabel("")
+    ax.set_ylabel("")
+    ax.set_xticks(month_positions)
+    ax.set_xticklabels(month_labels, fontsize=10)
+    ax.set_yticklabels(ax.get_yticklabels(), rotation=0, fontsize=10)
+    
+    # 시각적 향상을 위한 figure 스타일링
+    fig.tight_layout()
+    fig.patch.set_facecolor('#F8F9FA')
+    
+    st.pyplot(fig)
+
+# Function to create a fancy contribution radar chart
+def create_contribution_radar(username, models_count, spaces_count, datasets_count, commits_count):
+    # Create radar chart for contribution metrics
+    categories = ['Models', 'Spaces', 'Datasets', 'Activity']
+    values = [models_count, spaces_count, datasets_count, commits_count]
+    
+    # Normalize values for better visualization
+    max_vals = [100, 100, 50, 500]  # Reasonable max values for each category
+    normalized = [min(v/m, 1.0) for v, m in zip(values, max_vals)]
+    
+    # Create radar chart
+    angles = np.linspace(0, 2*np.pi, len(categories), endpoint=False).tolist()
+    angles += angles[:1]  # Close the loop
+    
+    normalized += normalized[:1]  # Close the loop
+    
+    fig, ax = plt.subplots(figsize=(6, 6), subplot_kw={'polar': True}, facecolor='#F8F9FA')
+    
+    # Add background grid with improved styling
+    ax.set_theta_offset(np.pi / 2)
+    ax.set_theta_direction(-1)
+    ax.set_thetagrids(np.degrees(angles[:-1]), categories, fontsize=12, fontweight='bold')
+    
+    # 그리드 스타일링 개선
+    ax.grid(color='#CCCCCC', linestyle='-', linewidth=0.5, alpha=0.7)
+    
+    # Draw the chart with improved color scheme
+    ax.fill(angles, normalized, color='#4CAF50', alpha=0.25)
+    ax.plot(angles, normalized, color='#4CAF50', linewidth=3)
+    
+    # Add value labels with improved styling
+    for i, val in enumerate(values):
+        angle = angles[i]
+        x = (normalized[i] + 0.1) * np.cos(angle)
+        y = (normalized[i] + 0.1) * np.sin(angle)
+        ax.text(angle, normalized[i] + 0.1, str(val), 
+                ha='center', va='center', fontsize=12, 
+                fontweight='bold', color='#1976D2')
+    
+    # Add highlight circles
+    circles = [0.25, 0.5, 0.75, 1.0]
+    for circle in circles:
+        ax.plot(angles, [circle] * len(angles), color='gray', alpha=0.3, linewidth=0.5, linestyle='--')
+    
+    ax.set_title(f"{username}'s Contribution Profile", fontsize=16, pad=20, fontweight='bold')
+    
+    # 배경 원 없애기
+    ax.set_facecolor('#F8F9FA')
+    
+    return fig
+
+# Function to create contribution distribution pie chart
+def create_contribution_pie(model_commits, dataset_commits, space_commits):
+    labels = ['Models', 'Datasets', 'Spaces']
+    sizes = [model_commits, dataset_commits, space_commits]
+    
+    # Filter out zero values
+    filtered_labels = [label for label, size in zip(labels, sizes) if size > 0]
+    filtered_sizes = [size for size in sizes if size > 0]
+    
+    if not filtered_sizes:
+        return None  # No data to show
+    
+    # Use a more attractive color scheme
+    colors = ['#FF9800', '#2196F3', '#4CAF50']
+    filtered_colors = [color for color, size in zip(colors, sizes) if size > 0]
+    
+    fig, ax = plt.subplots(figsize=(7, 7), facecolor='#F8F9FA')
+    
+    # Create exploded pie chart with improved styling
+    explode = [0.1] * len(filtered_sizes)  # Explode all slices for better visualization
+    
+    wedges, texts, autotexts = ax.pie(
+        filtered_sizes, 
+        labels=None,  # We'll add custom labels
+        colors=filtered_colors,
+        autopct='%1.1f%%', 
+        startangle=90, 
+        shadow=True, 
+        explode=explode,
+        textprops={'fontsize': 14, 'weight': 'bold'},
+        wedgeprops={'edgecolor': 'white', 'linewidth': 2}
+    )
+    
+    # Customize the percentage text
+    for autotext in autotexts:
+        autotext.set_color('white')
+        autotext.set_fontsize(12)
+        autotext.set_weight('bold')
+    
+    # Add legend with custom styling
+    ax.legend(
+        wedges, 
+        [f"{label} ({size})" for label, size in zip(filtered_labels, filtered_sizes)],
+        title="Contribution Types",
+        loc="center left",
+        bbox_to_anchor=(0.85, 0.5),
+        fontsize=12
+    )
+    
+    ax.set_title('Distribution of Contributions by Type', fontsize=16, pad=20, fontweight='bold')
+    ax.axis('equal')  # Equal aspect ratio ensures that pie is drawn as a circle
+    
+    return fig
+
+# Function to create monthly activity chart
+def create_monthly_activity(df, year):
+    if df.empty:
+        return None
+    
+    # Aggregate by month
+    df['date'] = pd.to_datetime(df['date'])
+    df['month'] = df['date'].dt.month
+    df['month_name'] = df['date'].dt.strftime('%b')
+    
+    # Count by month and ensure all months are present
+    month_order = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
+    counts_by_month = df.groupby('month_name')['date'].count()
+    monthly_counts = pd.Series([counts_by_month.get(m, 0) for m in month_order], index=month_order)
+    
+    # Create bar chart with improved styling
+    fig, ax = plt.subplots(figsize=(14, 6), facecolor='#F8F9FA')
+    
+    # Create bars with gradient colors based on activity level
+    norm = plt.Normalize(0, monthly_counts.max() if monthly_counts.max() > 0 else 1)
+    colors = plt.cm.viridis(norm(monthly_counts.values))
+    
+    bars = ax.bar(monthly_counts.index, monthly_counts.values, color=colors, width=0.7)
+    
+    # Highlight the month with most activity
+    if monthly_counts.max() > 0:
+        max_idx = monthly_counts.argmax()
+        bars[max_idx].set_color('#FF5722')
+        bars[max_idx].set_edgecolor('black')
+        bars[max_idx].set_linewidth(1.5)
+    
+    # Add labels and styling with enhanced design
+    ax.set_title(f'Monthly Activity in {year}', fontsize=18, pad=20, fontweight='bold')
+    ax.set_xlabel('Month', fontsize=14, labelpad=10)
+    ax.set_ylabel('Number of Contributions', fontsize=14, labelpad=10)
+    
+    # Add value labels on top of bars with improved styling
+    for i, count in enumerate(monthly_counts.values):
+        if count > 0:
+            ax.text(i, count + 0.5, str(int(count)), ha='center', fontsize=12, fontweight='bold')
+    
+    # Add grid for better readability with improved styling
+    ax.grid(axis='y', linestyle='--', alpha=0.7, color='#CCCCCC')
+    ax.set_axisbelow(True)  # Grid lines behind bars
+    
+    # Style the chart borders and background
+    ax.spines['top'].set_visible(False)
+    ax.spines['right'].set_visible(False)
+    ax.spines['left'].set_linewidth(0.5)
+    ax.spines['bottom'].set_linewidth(0.5)
+    
+    # Adjust tick parameters for better look
+    ax.tick_params(axis='x', labelsize=12, pad=5)
+    ax.tick_params(axis='y', labelsize=12, pad=5)
+    
+    plt.tight_layout()
+    
+    return fig
+
+# Function to render follower growth simulation
+def simulate_follower_data(username, spaces_count, models_count, total_commits):
+    # Simulate follower growth based on contribution metrics
+    # This is just a simulation for visual purposes
+    import numpy as np
+    from datetime import timedelta
+    
+    # Start with a base number of followers proportional to contribution metrics
+    base_followers = max(10, int((spaces_count * 2 + models_count * 3 + total_commits/10) / 6))
+    
+    # Generate timestamps for the past year
+    end_date = datetime.now()
+    start_date = end_date - timedelta(days=365)
+    dates = pd.date_range(start=start_date, end=end_date, freq='W')  # Weekly data points
+    
+    # Generate follower growth with some randomness
+    followers = []
+    current = base_followers / 2  # Start from half the base
+    
+    for i in range(len(dates)):
+        growth_factor = 1 + (np.random.random() * 0.1)  # Random growth between 0% and 10%
+        current = current * growth_factor
+        followers.append(int(current))
+    
+    # Ensure end value matches our base_followers estimate
+    followers[-1] = base_followers
+    
+    # Create the chart with improved styling
+    fig, ax = plt.subplots(figsize=(14, 6), facecolor='#F8F9FA')
+    
+    # Create gradient line for better visualization
+    points = np.array([dates, followers]).T.reshape(-1, 1, 2)
+    segments = np.concatenate([points[:-1], points[1:]], axis=1)
+    
+    from matplotlib.collections import LineCollection
+    norm = plt.Normalize(0, len(segments))
+    lc = LineCollection(segments, cmap='viridis', norm=norm, linewidth=3, alpha=0.8)
+    lc.set_array(np.arange(len(segments)))
+    line = ax.add_collection(lc)
+    
+    # Add markers
+    ax.scatter(dates, followers, s=50, color='#9C27B0', alpha=0.8, zorder=10)
+    
+    # Add styling with enhanced design
+    ax.set_title(f"Estimated Follower Growth for {username}", fontsize=18, pad=20, fontweight='bold')
+    ax.set_xlabel("Date", fontsize=14, labelpad=10)
+    ax.set_ylabel("Followers", fontsize=14, labelpad=10)
+    
+    # Format the axes limits
+    ax.set_xlim(dates.min(), dates.max())
+    ax.set_ylim(0, max(followers) * 1.1)
+    
+    # Add grid for better readability with improved styling
+    ax.grid(True, linestyle='--', alpha=0.7, color='#CCCCCC')
+    ax.set_axisbelow(True)  # Grid lines behind plot
+    
+    # Style the chart borders and background
+    ax.spines['top'].set_visible(False)
+    ax.spines['right'].set_visible(False)
+    ax.spines['left'].set_linewidth(0.5)
+    ax.spines['bottom'].set_linewidth(0.5)
+    
+    # Adjust tick parameters for better look
+    ax.tick_params(axis='x', labelsize=12, rotation=45)
+    ax.tick_params(axis='y', labelsize=12)
+    
+    # Add annotations for start and end points
+    ax.annotate(f"Start: {followers[0]}", 
+                xy=(dates[0], followers[0]),
+                xytext=(10, 10),
+                textcoords='offset points',
+                fontsize=12,
+                fontweight='bold',
+                color='#9C27B0',
+                bbox=dict(boxstyle="round,pad=0.3", fc="#F3E5F5", ec="#9C27B0", alpha=0.8))
+    
+    ax.annotate(f"Current: {followers[-1]}", 
+                xy=(dates[-1], followers[-1]),
+                xytext=(-10, 10),
+                textcoords='offset points',
+                fontsize=12,
+                fontweight='bold',
+                color='#9C27B0',
+                ha='right',
+                bbox=dict(boxstyle="round,pad=0.3", fc="#F3E5F5", ec="#9C27B0", alpha=0.8))
+    
+    plt.tight_layout()
+    
+    return fig
+
+# Function to create ranking position visualization
+def create_ranking_chart(username, overall_rank, spaces_rank, models_rank):
+    if not (overall_rank or spaces_rank or models_rank):
+        return None
+    
+    # Create a horizontal bar chart for rankings with improved styling
+    fig, ax = plt.subplots(figsize=(12, 5), facecolor='#F8F9FA')
+    
+    categories = []
+    positions = []
+    colors = []
+    rank_values = []
+    
+    if overall_rank:
+        categories.append('Overall')
+        positions.append(101 - overall_rank)  # Invert rank for visualization (higher is better)
+        colors.append('#673AB7')
+        rank_values.append(overall_rank)
+    
+    if spaces_rank:
+        categories.append('Spaces')
+        positions.append(101 - spaces_rank)
+        colors.append('#2196F3')
+        rank_values.append(spaces_rank)
+    
+    if models_rank:
+        categories.append('Models')
+        positions.append(101 - models_rank)
+        colors.append('#FF9800')
+        rank_values.append(models_rank)
+    
+    # Create horizontal bars with enhanced styling
+    bars = ax.barh(categories, positions, color=colors, alpha=0.8, height=0.6, 
+                  edgecolor='white', linewidth=1.5)
+    
+    # Add rank values as text with improved styling
+    for i, bar in enumerate(bars):
+        ax.text(bar.get_width() + 2, bar.get_y() + bar.get_height()/2, 
+                f'Rank #{rank_values[i]}', va='center', fontsize=12, 
+                fontweight='bold', color=colors[i])
+    
+    # Set chart properties with enhanced styling
+    ax.set_xlim(0, 105)
+    ax.set_title(f"Ranking Positions for {username} (Top 100)", fontsize=18, pad=20, fontweight='bold')
+    ax.set_xlabel("Percentile (higher is better)", fontsize=14, labelpad=10)
+    
+    # Add explanatory text
+    ax.text(50, -0.6, "← Lower rank (higher number) | Higher rank (lower number) →", 
+            ha='center', va='center', fontsize=10, fontweight='bold', color='#666666')
+    
+    # Add a vertical line at 90th percentile to highlight top 10 with improved styling
+    ax.axvline(x=90, color='#FF5252', linestyle='--', alpha=0.7, linewidth=2)
+    ax.text(92, len(categories)/2, 'Top 10', color='#D32F2F', fontsize=12, 
+           rotation=90, va='center', fontweight='bold')
+    
+    # Style the chart borders and background
+    ax.spines['top'].set_visible(False)
+    ax.spines['right'].set_visible(False)
+    ax.spines['left'].set_linewidth(0.5)
+    ax.spines['bottom'].set_linewidth(0.5)
+    
+    # Adjust tick parameters for better look
+    ax.tick_params(axis='x', labelsize=12)
+    ax.tick_params(axis='y', labelsize=14, pad=5)
+    
+    # Add grid for better readability
+    ax.grid(axis='x', linestyle='--', alpha=0.5, color='#CCCCCC')
+    ax.set_axisbelow(True)  # Grid lines behind bars
+    
+    # Invert x-axis to show ranking position more intuitively
+    ax.invert_xaxis()
+    
+    plt.tight_layout()
+    return fig
+
+# Fetch trending accounts with a loading spinner (do this once at the beginning)
+with st.spinner("Loading and analyzing top contributors... This may take a few moments."):
+    trending_accounts, top_owners_spaces, top_owners_models, user_stats = get_trending_accounts_with_commits(limit=100)
+
+# Sidebar
+with st.sidebar:
+    st.markdown('<h1 style="text-align: center; color: #1E88E5;">👤 Contributor</h1>', unsafe_allow_html=True)
+    
+    # Create tabs for rankings
+    tab1, tab2 = st.tabs([
+        "Top 100 Overall", 
+        "Top Spaces & Models"
+    ])
+    
+    with tab1:
+        # Show combined trending accounts list with commit-based ranking
+        st.markdown('<div class="subheader"><h3>🔥 Top 100 Contributors by Commits</h3></div>', unsafe_allow_html=True)
+        st.markdown('<p style="font-size: 0.9rem; color: #666; margin-bottom: 10px;">Ranked by total commit count</p>', unsafe_allow_html=True)
+        
+        # Create a data frame for the table
+        if user_stats:
+            # Create the overall ranking dataframe with trophies for top 3
+            overall_data = []
+            for idx, stat in enumerate(user_stats[:100]):
+                # Add trophy emojis for top 3
+                rank_display = ""
+                if idx == 0:
+                    rank_display = "🏆 "  # Gold trophy for 1st place
+                elif idx == 1:
+                    rank_display = "🏆 "  # Silver trophy for 2nd place
+                elif idx == 2:
+                    rank_display = "🏆 "  # Bronze trophy for 3rd place
+                
+                overall_data.append([
+                    f"{rank_display}{stat['username']}", 
+                    str(stat['estimated_commits']),
+                    str(stat['models']),
+                    str(stat['spaces']),
+                    str(stat['datasets'])
+                ])
+            
+            ranking_data_overall = pd.DataFrame(
+                overall_data, 
+                columns=["Contributor", "Total Commits", "Models", "Spaces", "Datasets"]
+            )
+            ranking_data_overall.index = ranking_data_overall.index + 1  # Start index from 1 for ranking
+
+            st.dataframe(
+                ranking_data_overall,
+                height=900,  # 약 30행 정도 보이도록 픽셀 단위 높이 설정
+                column_config={
+                    "Contributor": st.column_config.TextColumn("Contributor"),
+                    "Total Commits": st.column_config.TextColumn("Total Commits"),
+                    "Models": st.column_config.TextColumn("Models"),
+                    "Spaces": st.column_config.TextColumn("Spaces"),
+                    "Datasets": st.column_config.TextColumn("Datasets")
+                },
+                use_container_width=True,
+                hide_index=False
+            )
+
+    with tab2:
+        # Show trending accounts by Spaces & Models
+        st.markdown('<div class="subheader"><h3>🚀 Spaces Leaders</h3></div>', unsafe_allow_html=True)
+        
+        # Create a data frame for the Spaces table with medals for top 3
+        if top_owners_spaces:
+            spaces_data = []
+            for idx, (owner, count) in enumerate(top_owners_spaces[:50]):
+                # Add medal emojis for top 3
+                rank_display = ""
+                if idx == 0:
+                    rank_display = "🥇 "  # Gold medal for 1st place
+                elif idx == 1:
+                    rank_display = "🥈 "  # Silver medal for 2nd place
+                elif idx == 2:
+                    rank_display = "🥉 "  # Bronze medal for 3rd place
+                
+                spaces_data.append([f"{rank_display}{owner}", count])
+            
+            ranking_data_spaces = pd.DataFrame(spaces_data, columns=["Contributor", "Spaces Count"])
+            ranking_data_spaces.index = ranking_data_spaces.index + 1  # Start index from 1 for ranking
+            
+            st.dataframe(
+                ranking_data_spaces,
+                column_config={
+                    "Contributor": st.column_config.TextColumn("Contributor"),
+                    "Spaces Count": st.column_config.NumberColumn("Spaces Count", format="%d")
+                },
+                use_container_width=True,
+                hide_index=False
+            )
+        
+        # Display the top Models accounts list with medals for top 3
+        st.markdown('<div class="subheader"><h3>🧠 Models Leaders</h3></div>', unsafe_allow_html=True)
+        
+        # Create a data frame for the Models table with medals for top 3
+        if top_owners_models:
+            models_data = []
+            for idx, (owner, count) in enumerate(top_owners_models[:50]):
+                # Add medal emojis for top 3
+                rank_display = ""
+                if idx == 0:
+                    rank_display = "🥇 "  # Gold medal for 1st place
+                elif idx == 1:
+                    rank_display = "🥈 "  # Silver medal for 2nd place
+                elif idx == 2:
+                    rank_display = "🥉 "  # Bronze medal for 3rd place
+                
+                models_data.append([f"{rank_display}{owner}", count])
+            
+            ranking_data_models = pd.DataFrame(models_data, columns=["Contributor", "Models Count"])
+            ranking_data_models.index = ranking_data_models.index + 1  # Start index from 1 for ranking
+            
+            st.dataframe(
+                ranking_data_models,
+                column_config={
+                    "Contributor": st.column_config.TextColumn("Contributor"),
+                    "Models Count": st.column_config.NumberColumn("Models Count", format="%d")
+                },
+                use_container_width=True,
+                hide_index=False
+            )
+    
+    # Add visual divider
+    st.markdown('<hr style="margin: 2rem 0; border-color: #e0e0e0;">', unsafe_allow_html=True)
+    
+    # Display contributor selection with enhanced styling
+    st.markdown('<div class="subheader"><h3>Select Contributor</h3></div>', unsafe_allow_html=True)
+    selected_trending = st.selectbox(
+        "Choose from trending accounts",
+        options=trending_accounts[:100],  # Limit to top 100
+        index=0 if trending_accounts else None,
+        key="trending_selectbox"
+    )
+    
+    # Custom account input option with enhanced styling
+    st.markdown('<div style="text-align: center; margin: 15px 0; font-weight: bold;">- OR -</div>', unsafe_allow_html=True)
+    custom = st.text_input("Enter a username/organization:", placeholder="e.g. facebook, google...")
+    
+    # Add visual divider
+    st.markdown('<hr style="margin: 1.5rem 0; border-color: #e0e0e0;">', unsafe_allow_html=True)
+    
+    # Set username based on selection or custom input
+    if custom.strip():
+        username = custom.strip()
+    elif selected_trending:
+        username = selected_trending
+    else:
+        username = "facebook"  # Default fallback
+    
+    # Year selection with enhanced styling
+    st.markdown('<div class="subheader"><h3>🗓️ Time Period</h3></div>', unsafe_allow_html=True)
+    year_options = list(range(datetime.now().year, 2017, -1))
+    selected_year = st.selectbox("Select Year:", options=year_options)
+    
+    # Additional options for customization with enhanced styling
+    st.markdown('<div class="subheader"><h3>⚙️ Display Options</h3></div>', unsafe_allow_html=True)
+    show_models = st.checkbox("Show Models", value=True)
+    show_datasets = st.checkbox("Show Datasets", value=True)
+    show_spaces = st.checkbox("Show Spaces", value=True)
+
+# Main Content
+st.markdown(f'<h1 style="text-align: center; color: #1E88E5; margin-bottom: 2rem;">🤗 Hugging Face Contributions</h1>', unsafe_allow_html=True)
+
+if username:
+    # Find user's stats in the pre-calculated data
+    user_stat = next((stat for stat in user_stats if stat["username"] == username), None)
+    
+    # Create a header card with contributor info
+    header_col1, header_col2 = st.columns([1, 2])
+    with header_col1:
+        score_display = f"Score: {user_stat['score']:.1f}" if user_stat else "Score: N/A"
+        st.markdown(f'<div style="background-color: #E3F2FD; padding: 20px; border-radius: 10px; border-left: 5px solid #1E88E5;">'
+                  f'<h2 style="color: #1E88E5;">👤 {username}</h2>'
+                  f'<p style="font-size: 16px;">Analyzing contributions for {selected_year}</p>'
+                  f'<p style="font-size: 14px; font-weight: bold;">{score_display}</p>'
+                  f'<p><a href="https://huggingface.co/{username}" target="_blank" style="color: #1E88E5; font-weight: bold;">View Profile</a></p>'
+                  f'</div>', unsafe_allow_html=True)
+    
+    with header_col2:
+        # Add explanation about the app
+        st.markdown(f'<div style="background-color: #F3E5F5; padding: 20px; border-radius: 10px; border-left: 5px solid #9C27B0;">'
+                  f'<h3 style="color: #9C27B0;">About This Analysis</h3>'
+                  f'<p>This dashboard analyzes {username}\'s contributions to Hugging Face in {selected_year}, including models, datasets, and spaces.</p>'
+                  f'<p style="font-style: italic; font-size: 12px;">* Rankings are based on contribution scores combining repos and commit activity.</p>'
+                  f'</div>', unsafe_allow_html=True)
+
+    with st.spinner(f"Fetching detailed contribution data for {username}..."):
+        # Initialize variables for tracking
+        overall_rank = None
+        spaces_rank = None
+        models_rank = None
+        spaces_count = 0
+        models_count = 0
+        datasets_count = 0
+        
+        # Display contributor rank if in top 100
+        if username in trending_accounts[:100]:
+            overall_rank = trending_accounts.index(username) + 1
+            
+            # Create a prominent ranking display
+            st.markdown(f'<div style="background-color: #FFF8E1; padding: 20px; border-radius: 10px; border-left: 5px solid #FFC107; margin: 1rem 0;">'
+                      f'<h2 style="color: #FFA000; text-align: center;">🏆 Ranked #{overall_rank} in Top Contributors</h2>'
+                      f'</div>', unsafe_allow_html=True)
+            
+            # Find user in spaces ranking
+            for i, (owner, count) in enumerate(top_owners_spaces):
+                if owner == username:
+                    spaces_rank = i+1
+                    spaces_count = count
+                    break
+            
+            # Find user in models ranking
+            for i, (owner, count) in enumerate(top_owners_models):
+                if owner == username:
+                    models_rank = i+1
+                    models_count = count
+                    break
+                    
+            # Display ranking visualization
+            rank_chart = create_ranking_chart(username, overall_rank, spaces_rank, models_rank)
+            if rank_chart:
+                st.pyplot(rank_chart)
+        
+        # Create a dictionary to store commits by type
+        commits_by_type = {}
+        commit_counts_by_type = {}
+        
+        # Determine which types to fetch based on checkboxes
+        types_to_fetch = []
+        if show_models:
+            types_to_fetch.append("model")
+        if show_datasets:
+            types_to_fetch.append("dataset")
+        if show_spaces:
+            types_to_fetch.append("space")
+        
+        if not types_to_fetch:
+            st.warning("Please select at least one content type to display (Models, Datasets, or Spaces)")
+            st.stop()
+
+        # Create a progress container
+        progress_container = st.container()
+        progress_container.markdown('<h3 style="color: #1E88E5;">Fetching Repository Data...</h3>', unsafe_allow_html=True)
+        progress_bar = progress_container.progress(0)
+
+        # Fetch commits for each selected type
+        for type_index, kind in enumerate(types_to_fetch):
+            try:
+                items = cached_list_items(username, kind)
+                
+                # Update counts for radar chart
+                if kind == "model":
+                    models_count = len(items)
+                elif kind == "dataset":
+                    datasets_count = len(items)
+                elif kind == "space":
+                    spaces_count = len(items)
+                    
+                repo_ids = [item.id for item in items]
+                
+                progress_container.info(f"Found {len(repo_ids)} {kind}s for {username}")
+
+                # Process repos in chunks
+                chunk_size = 5
+                total_commits = 0
+                all_commit_dates = []
+
+                for i in range(0, len(repo_ids), chunk_size):
+                    chunk = repo_ids[i:i + chunk_size]
+                    with ThreadPoolExecutor(max_workers=min(5, len(chunk))) as executor:
+                        future_to_repo = {
+                            executor.submit(fetch_commits_for_repo, repo_id, kind, username, selected_year): repo_id
+                            for repo_id in chunk
+                        }
+                        for future in as_completed(future_to_repo):
+                            repo_commits, repo_count = future.result()
+                            if repo_commits:
+                                all_commit_dates.extend(repo_commits)
+                                total_commits += repo_count
+                    
+                    # Update progress for all types
+                    progress_per_type = 1.0 / len(types_to_fetch)
+                    current_type_progress = min(1.0, (i + len(chunk)) / max(1, len(repo_ids)))
+                    overall_progress = (type_index * progress_per_type) + (current_type_progress * progress_per_type)
+                    progress_bar.progress(overall_progress)
+                
+                commits_by_type[kind] = all_commit_dates
+                commit_counts_by_type[kind] = total_commits
+
+            except Exception as e:
+                st.warning(f"Error fetching {kind}s for {username}: {str(e)}")
+                commits_by_type[kind] = []
+                commit_counts_by_type[kind] = 0
+
+        # Complete progress
+        progress_bar.progress(1.0)
+        progress_container.success("Data fetching complete!")
+        time.sleep(0.5)  # Short pause for visual feedback
+        progress_container.empty()  # Clear the progress indicators
+
+        # Calculate total commits across all types
+        total_commits = sum(commit_counts_by_type.values())
+
+        # Main dashboard layout with improved structure
+        st.markdown(f'<h2 style="color: #1E88E5; border-bottom: 2px solid #E0E0E0; padding-bottom: 8px; margin-top: 2rem;">Activity Overview</h2>', unsafe_allow_html=True)
+        
+        # Profile summary
+        profile_col1, profile_col2 = st.columns([1, 2])
+        
+        with profile_col1:
+            # Create a stats card with key metrics
+            st.markdown(f'<div style="background-color: white; padding: 20px; border-radius: 10px; box-shadow: 0 2px 10px rgba(0,0,0,0.1);">'
+                      f'<h3 style="color: #1E88E5; text-align: center; margin-bottom: 15px;">Contribution Stats</h3>'
+                      f'<div style="display: flex; justify-content: space-between; margin-bottom: 10px;">'
+                      f'<span style="font-weight: bold;">Total Commits:</span><span>{total_commits}</span></div>'
+                      f'<div style="display: flex; justify-content: space-between; margin-bottom: 10px;">'
+                      f'<span style="font-weight: bold;">Models:</span><span>{models_count}</span></div>'
+                      f'<div style="display: flex; justify-content: space-between; margin-bottom: 10px;">'
+                      f'<span style="font-weight: bold;">Datasets:</span><span>{datasets_count}</span></div>'
+                      f'<div style="display: flex; justify-content: space-between; margin-bottom: 10px;">'
+                      f'<span style="font-weight: bold;">Spaces:</span><span>{spaces_count}</span></div>'
+                      f'</div>', unsafe_allow_html=True)
+            
+            # Type breakdown pie chart
+            model_commits = commit_counts_by_type.get("model", 0)
+            dataset_commits = commit_counts_by_type.get("dataset", 0)
+            space_commits = commit_counts_by_type.get("space", 0)
+            
+            pie_chart = create_contribution_pie(model_commits, dataset_commits, space_commits)
+            if pie_chart:
+                st.pyplot(pie_chart)
+        
+        with profile_col2:
+            # Display contribution radar chart
+            radar_fig = create_contribution_radar(username, models_count, spaces_count, datasets_count, total_commits)
+            st.pyplot(radar_fig)
+
+            # Create DataFrame for all commits
+            all_commits = []
+            for commits in commits_by_type.values():
+                all_commits.extend(commits)
+            all_df = pd.DataFrame(all_commits, columns=["date"])
+            if not all_df.empty:
+                all_df = all_df.drop_duplicates()  # Remove any duplicate dates
+
+        # Calendar heatmap for all commits in a separate section
+        st.markdown(f'<h2 style="color: #1E88E5; border-bottom: 2px solid #E0E0E0; padding-bottom: 8px; margin-top: 2rem;">Contribution Calendar</h2>', unsafe_allow_html=True)
+        
+        if not all_df.empty:
+            make_calendar_heatmap(all_df, "All Contributions", selected_year)
+        else:
+            st.info(f"No contributions found for {username} in {selected_year}")
+
+        # Monthly activity chart
+        st.markdown(f'<h2 style="color: #1E88E5; border-bottom: 2px solid #E0E0E0; padding-bottom: 8px; margin-top: 2rem;">Monthly Activity</h2>', unsafe_allow_html=True)
+        
+        monthly_fig = create_monthly_activity(all_df, selected_year)
+        if monthly_fig:
+            st.pyplot(monthly_fig)
+        else:
+            st.info(f"No activity data available for {username} in {selected_year}")
+        
+        # Follower growth simulation
+        st.markdown(f'<h2 style="color: #1E88E5; border-bottom: 2px solid #E0E0E0; padding-bottom: 8px; margin-top: 2rem;">Growth Projection</h2>', unsafe_allow_html=True)
+        st.markdown('<div style="background-color: #EDE7F6; padding: 10px; border-radius: 5px; margin-bottom: 15px;">'
+                  '<p style="font-style: italic; margin: 0;">📊 This is a simulation based on contribution metrics - for visualization purposes only</p>'
+                  '</div>', unsafe_allow_html=True)
+        
+        follower_chart = simulate_follower_data(username, spaces_count, models_count, total_commits)
+        st.pyplot(follower_chart)
+        
+        # Analytics summary section
+        if total_commits > 0:
+            st.markdown(f'<h2 style="color: #1E88E5; border-bottom: 2px solid #E0E0E0; padding-bottom: 8px; margin-top: 2rem;">📊 Analytics Summary</h2>', unsafe_allow_html=True)
+            
+            # Contribution pattern analysis
+            monthly_df = pd.DataFrame(all_commits, columns=["date"])
+            monthly_df['date'] = pd.to_datetime(monthly_df['date'])
+            monthly_df['month'] = monthly_df['date'].dt.month
+            
+            if not monthly_df.empty:
+                most_active_month = monthly_df['month'].value_counts().idxmax()
+                month_name = datetime(2020, most_active_month, 1).strftime('%B')
+                
+                # Create a summary card
+                st.markdown(f'<div style="background-color: white; padding: 25px; border-radius: 10px; box-shadow: 0 2px 10px rgba(0,0,0,0.1);">'
+                          f'<h3 style="color: #1E88E5; border-bottom: 1px solid #E0E0E0; padding-bottom: 10px;">Activity Analysis for {username}</h3>'
+                          f'<ul style="list-style-type: none; padding-left: 5px;">'
+                          f'<li style="margin: 15px 0; font-size: 16px;">📈 <strong>Total Activity:</strong> {total_commits} contributions in {selected_year}</li>'
+                          f'<li style="margin: 15px 0; font-size: 16px;">🗓️ <strong>Most Active Month:</strong> {month_name} with {monthly_df["month"].value_counts().max()} contributions</li>'
+                          f'<li style="margin: 15px 0; font-size: 16px;">🧩 <strong>Repository Breakdown:</strong> {models_count} Models, {spaces_count} Spaces, {datasets_count} Datasets</li>'
+                          f'</ul>', unsafe_allow_html=True)
+                
+                # Add ranking context if available
+                if overall_rank:
+                    percentile = 100 - overall_rank
+                    st.markdown(f'<div style="margin-top: 20px;">'
+                              f'<h3 style="color: #1E88E5; border-bottom: 1px solid #E0E0E0; padding-bottom: 10px;">Ranking Analysis</h3>'
+                              f'<ul style="list-style-type: none; padding-left: 5px;">'
+                              f'<li style="margin: 15px 0; font-size: 16px;">🏆 <strong>Overall Ranking:</strong> #{overall_rank} (Top {percentile}% of contributors)</li>', unsafe_allow_html=True)
+                    
+                    badge_html = '<div style="margin: 20px 0;">'
+                    
+                    if spaces_rank and spaces_rank <= 10:
+                        badge_html += f'<span style="background-color: #FFECB3; color: #FF6F00; padding: 8px 15px; border-radius: 20px; font-weight: bold; margin-right: 10px; display: inline-block; margin-bottom: 10px;">🌟 Elite Spaces Contributor (#{spaces_rank})</span>'
+                    elif spaces_rank and spaces_rank <= 30:
+                        badge_html += f'<span style="background-color: #E1F5FE; color: #0277BD; padding: 8px 15px; border-radius: 20px; font-weight: bold; margin-right: 10px; display: inline-block; margin-bottom: 10px;">✨ Outstanding Spaces Contributor (#{spaces_rank})</span>'
+                    
+                    if models_rank and models_rank <= 10:
+                        badge_html += f'<span style="background-color: #FFECB3; color: #FF6F00; padding: 8px 15px; border-radius: 20px; font-weight: bold; margin-right: 10px; display: inline-block; margin-bottom: 10px;">🌟 Elite Models Contributor (#{models_rank})</span>'
+                    elif models_rank and models_rank <= 30:
+                        badge_html += f'<span style="background-color: #E1F5FE; color: #0277BD; padding: 8px 15px; border-radius: 20px; font-weight: bold; margin-right: 10px; display: inline-block; margin-bottom: 10px;">✨ Outstanding Models Contributor (#{models_rank})</span>'
+                    
+                    badge_html += '</div>'
+                    
+                    # Add achievement badges
+                    if spaces_rank or models_rank:
+                        st.markdown(badge_html, unsafe_allow_html=True)
+                    
+                    st.markdown('</ul></div></div>', unsafe_allow_html=True)
+        
+        # Detailed category analysis section
+        st.markdown(f'<h2 style="color: #1E88E5; border-bottom: 2px solid #E0E0E0; padding-bottom: 8px; margin-top: 2rem;">Detailed Category Analysis</h2>', unsafe_allow_html=True)
+        
+        # Create category cards in columns
+        cols = st.columns(len(types_to_fetch)) if types_to_fetch else st.columns(1)
+        
+        category_icons = {
+            "model": "🧠",
+            "dataset": "📦",
+            "space": "🚀"
+        }
+        
+        category_colors = {
+            "model": "#FF9800",
+            "dataset": "#2196F3",
+            "space": "#4CAF50"
+        }
+        
+        for i, kind in enumerate(types_to_fetch):
+            with cols[i]:
+                try:
+                    emoji = category_icons.get(kind, "📊")
+                    label = kind.capitalize() + "s"
+                    color = category_colors.get(kind, "#1E88E5")
+                    
+                    total = len(cached_list_items(username, kind))
+                    commits = commits_by_type.get(kind, [])
+                    commit_count = commit_counts_by_type.get(kind, 0)
+                    
+                    # Create styled card header
+                    st.markdown(f'<div style="background-color: white; padding: 20px; border-radius: 10px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); border-top: 5px solid {color};">'
+                              f'<h3 style="color: {color}; text-align: center;">{emoji} {label}</h3>'
+                              f'<div style="display: flex; justify-content: space-between; margin: 15px 0;">'
+                              f'<span style="font-weight: bold;">Total:</span><span>{total}</span></div>'
+                              f'<div style="display: flex; justify-content: space-between; margin-bottom: 15px;">'
+                              f'<span style="font-weight: bold;">Commits:</span><span>{commit_count}</span></div>'
+                              f'</div>', unsafe_allow_html=True)
+                    
+                    # Create calendar for this type
+                    df_kind = pd.DataFrame(commits, columns=["date"])
+                    if not df_kind.empty:
+                        df_kind = df_kind.drop_duplicates()  # Remove any duplicate dates
+                        make_calendar_heatmap(df_kind, f"{label} Commits", selected_year)
+                    else:
+                        st.info(f"No {label.lower()} activity in {selected_year}")
+                        
+                except Exception as e:
+                    st.warning(f"Error processing {kind.capitalize()}s: {str(e)}")
+                    # Show empty placeholder
+                    st.markdown(f'<div style="background-color: white; padding: 20px; border-radius: 10px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); border-top: 5px solid #9E9E9E; text-align: center;">'
+                              f'<h3 style="color: #9E9E9E;">⚠️ Error</h3>'
+                              f'<p>Could not load {kind.capitalize()}s data</p>'
+                              f'</div>', unsafe_allow_html=True)
+        
+        # Footer
+        st.markdown('<hr style="margin: 3rem 0 1rem 0;">', unsafe_allow_html=True)
+        st.markdown('<p style="text-align: center; color: #9E9E9E; font-size: 0.8rem;">Hugging Face Contributions Dashboard | Data fetched from Hugging Face API</p>', unsafe_allow_html=True)
+else:
+    # If no username is selected, show welcome screen
+    st.markdown(f'<div style="text-align: center; margin: 50px 0;">'
+              f'<img src="https://huggingface.co/datasets/huggingface/brand-assets/resolve/main/hf-logo.svg" style="width: 200px; margin-bottom: 30px;">'
+              f'<h2>Welcome to Hugging Face Contributions Dashboard</h2>'
+              f'<p style="font-size: 1.2rem;">Please select a contributor from the sidebar to view their activity.</p>'
+              f'</div>', unsafe_allow_html=True)