Merge origin/main into feature/upload-download-apis

Resolved conflicts in:
- backend/app/routes.py: Combined imports (Query, Header, Response) and schemas (pagination + resumable upload)
- backend/app/schemas.py: Kept all schemas (pagination + resumable upload)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

.gitignore

@@ -1,3 +1,11 @@
+# Python
+__pycache__/
+*.py[cod]
+*.pyo
+.Python
+*.egg-info/
+.eggs/
+
 # Binaries
 /bin/
 *.exe

backend/app/config.py

@@ -3,6 +3,9 @@ from functools import lru_cache
 
 
 class Settings(BaseSettings):
+    # Environment
+    env: str = "development"  # "development" or "production"
+
     # Server
     server_host: str = "0.0.0.0"
     server_port: int = 8080
@@ -28,6 +31,14 @@ class Settings(BaseSettings):
         sslmode = f"?sslmode={self.database_sslmode}" if self.database_sslmode else ""
         return f"postgresql://{self.database_user}:{self.database_password}@{self.database_host}:{self.database_port}/{self.database_dbname}{sslmode}"
 
+    @property
+    def is_development(self) -> bool:
+        return self.env.lower() == "development"
+
+    @property
+    def is_production(self) -> bool:
+        return self.env.lower() == "production"
+
     class Config:
         env_prefix = "ORCHARD_"
         case_sensitive = False

backend/app/main.py

@@ -2,19 +2,35 @@ from fastapi import FastAPI
 from fastapi.staticfiles import StaticFiles
 from fastapi.responses import FileResponse
 from contextlib import asynccontextmanager
+import logging
 import os
 
 from .config import get_settings
-from .database import init_db
+from .database import init_db, SessionLocal
 from .routes import router
+from .seed import seed_database
 
 settings = get_settings()
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
 
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):
     # Startup: initialize database
     init_db()
+
+    # Seed test data in development mode
+    if settings.is_development:
+        logger.info(f"Running in {settings.env} mode - checking for seed data")
+        db = SessionLocal()
+        try:
+            seed_database(db)
+        finally:
+            db.close()
+    else:
+        logger.info(f"Running in {settings.env} mode - skipping seed data")
+
     yield
     # Shutdown: cleanup if needed
 

backend/app/routes.py

@@ -1,8 +1,9 @@
-from fastapi import APIRouter, Depends, HTTPException, UploadFile, File, Form, Request, Header, Response
+from fastapi import APIRouter, Depends, HTTPException, UploadFile, File, Form, Request, Query, Header, Response
 from fastapi.responses import StreamingResponse
 from sqlalchemy.orm import Session
-from sqlalchemy import or_
+from sqlalchemy import or_, func
 from typing import List, Optional
+import math
 import re
 import io
 import hashlib
@@ -18,6 +19,7 @@ from .schemas import (
     UploadResponse,
     ConsumerResponse,
     HealthResponse,
+    PaginatedResponse, PaginationMeta,
     ResumableUploadInitRequest,
     ResumableUploadInitResponse,
     ResumableUploadPartResponse,
@@ -48,13 +50,44 @@ def health_check():
 
 
 # Project routes
-@router.get("/api/v1/projects", response_model=List[ProjectResponse])
+@router.get("/api/v1/projects", response_model=PaginatedResponse[ProjectResponse])
-def list_projects(request: Request, db: Session = Depends(get_db)):
+def list_projects(
+    request: Request,
+    page: int = Query(default=1, ge=1, description="Page number"),
+    limit: int = Query(default=20, ge=1, le=100, description="Items per page"),
+    search: Optional[str] = Query(default=None, description="Search by project name"),
+    db: Session = Depends(get_db),
+):
     user_id = get_user_id(request)
-    projects = db.query(Project).filter(
+
+    # Base query - filter by access
+    query = db.query(Project).filter(
         or_(Project.is_public == True, Project.created_by == user_id)
-    ).order_by(Project.name).all()
+    )
-    return projects
+
+    # Apply search filter (case-insensitive)
+    if search:
+        query = query.filter(func.lower(Project.name).contains(search.lower()))
+
+    # Get total count before pagination
+    total = query.count()
+
+    # Apply pagination
+    offset = (page - 1) * limit
+    projects = query.order_by(Project.name).offset(offset).limit(limit).all()
+
+    # Calculate total pages
+    total_pages = math.ceil(total / limit) if total > 0 else 1
+
+    return PaginatedResponse(
+        items=projects,
+        pagination=PaginationMeta(
+            page=page,
+            limit=limit,
+            total=total,
+            total_pages=total_pages,
+        ),
+    )
 
 
 @router.post("/api/v1/projects", response_model=ProjectResponse)

backend/app/schemas.py

@@ -1,8 +1,23 @@
 from datetime import datetime
-from typing import Optional, List, Dict, Any
+from typing import Optional, List, Dict, Any, Generic, TypeVar
 from pydantic import BaseModel
 from uuid import UUID
 
+T = TypeVar("T")
+
+
+# Pagination schemas
+class PaginationMeta(BaseModel):
+    page: int
+    limit: int
+    total: int
+    total_pages: int
+
+
+class PaginatedResponse(BaseModel, Generic[T]):
+    items: List[T]
+    pagination: PaginationMeta
+
 
 # Project schemas
 class ProjectCreate(BaseModel):

backend/app/seed.py

@@ -0,0 +1,222 @@
+"""
+Test data seeding for development environment.
+"""
+import hashlib
+import logging
+from sqlalchemy.orm import Session
+
+from .models import Project, Package, Artifact, Tag, Upload
+from .storage import get_storage
+
+logger = logging.getLogger(__name__)
+
+# Test data definitions
+TEST_PROJECTS = [
+    {
+        "name": "frontend-libs",
+        "description": "Shared frontend libraries and components",
+        "is_public": True,
+        "packages": [
+            {
+                "name": "ui-components",
+                "description": "Reusable UI component library",
+            },
+            {
+                "name": "design-tokens",
+                "description": "Design system tokens and variables",
+            },
+        ],
+    },
+    {
+        "name": "backend-services",
+        "description": "Backend microservices and shared utilities",
+        "is_public": True,
+        "packages": [
+            {
+                "name": "auth-lib",
+                "description": "Authentication and authorization library",
+            },
+            {
+                "name": "common-utils",
+                "description": "Common utility functions",
+            },
+            {
+                "name": "api-client",
+                "description": "Generated API client library",
+            },
+        ],
+    },
+    {
+        "name": "mobile-apps",
+        "description": "Mobile application builds and assets",
+        "is_public": True,
+        "packages": [
+            {
+                "name": "ios-release",
+                "description": "iOS release builds",
+            },
+            {
+                "name": "android-release",
+                "description": "Android release builds",
+            },
+        ],
+    },
+    {
+        "name": "internal-tools",
+        "description": "Internal development tools (private)",
+        "is_public": False,
+        "packages": [
+            {
+                "name": "dev-scripts",
+                "description": "Development automation scripts",
+            },
+        ],
+    },
+]
+
+# Sample artifacts to create (content, tags)
+TEST_ARTIFACTS = [
+    {
+        "project": "frontend-libs",
+        "package": "ui-components",
+        "content": b"/* UI Components v1.0.0 */\nexport const Button = () => {};\nexport const Input = () => {};\n",
+        "filename": "ui-components-1.0.0.js",
+        "content_type": "application/javascript",
+        "tags": ["v1.0.0", "latest"],
+    },
+    {
+        "project": "frontend-libs",
+        "package": "ui-components",
+        "content": b"/* UI Components v1.1.0 */\nexport const Button = () => {};\nexport const Input = () => {};\nexport const Modal = () => {};\n",
+        "filename": "ui-components-1.1.0.js",
+        "content_type": "application/javascript",
+        "tags": ["v1.1.0"],
+    },
+    {
+        "project": "frontend-libs",
+        "package": "design-tokens",
+        "content": b'{"colors": {"primary": "#007bff", "secondary": "#6c757d"}, "spacing": {"sm": "8px", "md": "16px"}}',
+        "filename": "tokens.json",
+        "content_type": "application/json",
+        "tags": ["v1.0.0", "latest"],
+    },
+    {
+        "project": "backend-services",
+        "package": "common-utils",
+        "content": b"# Common Utils\n\ndef format_date(dt):\n    return dt.isoformat()\n\ndef slugify(text):\n    return text.lower().replace(' ', '-')\n",
+        "filename": "utils-2.0.0.py",
+        "content_type": "text/x-python",
+        "tags": ["v2.0.0", "stable", "latest"],
+    },
+    {
+        "project": "backend-services",
+        "package": "auth-lib",
+        "content": b"package auth\n\nfunc ValidateToken(token string) bool {\n    return len(token) > 0\n}\n",
+        "filename": "auth-lib-1.0.0.go",
+        "content_type": "text/x-go",
+        "tags": ["v1.0.0", "latest"],
+    },
+]
+
+
+def is_database_empty(db: Session) -> bool:
+    """Check if the database has any projects."""
+    return db.query(Project).first() is None
+
+
+def seed_database(db: Session) -> None:
+    """Seed the database with test data."""
+    if not is_database_empty(db):
+        logger.info("Database already has data, skipping seed")
+        return
+
+    logger.info("Seeding database with test data...")
+    storage = get_storage()
+
+    # Create projects and packages
+    project_map = {}
+    package_map = {}
+
+    for project_data in TEST_PROJECTS:
+        project = Project(
+            name=project_data["name"],
+            description=project_data["description"],
+            is_public=project_data["is_public"],
+            created_by="seed-user",
+        )
+        db.add(project)
+        db.flush()  # Get the ID
+        project_map[project_data["name"]] = project
+
+        for package_data in project_data["packages"]:
+            package = Package(
+                project_id=project.id,
+                name=package_data["name"],
+                description=package_data["description"],
+            )
+            db.add(package)
+            db.flush()
+            package_map[(project_data["name"], package_data["name"])] = package
+
+    logger.info(f"Created {len(project_map)} projects and {len(package_map)} packages")
+
+    # Create artifacts and tags
+    artifact_count = 0
+    tag_count = 0
+
+    for artifact_data in TEST_ARTIFACTS:
+        project = project_map[artifact_data["project"]]
+        package = package_map[(artifact_data["project"], artifact_data["package"])]
+
+        content = artifact_data["content"]
+        sha256_hash = hashlib.sha256(content).hexdigest()
+        size = len(content)
+        s3_key = f"fruits/{sha256_hash[:2]}/{sha256_hash[2:4]}/{sha256_hash}"
+
+        # Store in S3
+        try:
+            storage.client.put_object(
+                Bucket=storage.bucket,
+                Key=s3_key,
+                Body=content,
+            )
+        except Exception as e:
+            logger.warning(f"Failed to store artifact in S3: {e}")
+            continue
+
+        # Create artifact record
+        artifact = Artifact(
+            id=sha256_hash,
+            size=size,
+            content_type=artifact_data["content_type"],
+            original_name=artifact_data["filename"],
+            created_by="seed-user",
+            s3_key=s3_key,
+            ref_count=len(artifact_data["tags"]),
+        )
+        db.add(artifact)
+
+        # Create upload record
+        upload = Upload(
+            artifact_id=sha256_hash,
+            package_id=package.id,
+            original_name=artifact_data["filename"],
+            uploaded_by="seed-user",
+        )
+        db.add(upload)
+        artifact_count += 1
+
+        # Create tags
+        for tag_name in artifact_data["tags"]:
+            tag = Tag(
+                package_id=package.id,
+                name=tag_name,
+                artifact_id=sha256_hash,
+                created_by="seed-user",
+            )
+            db.add(tag)
+            tag_count += 1
+
+    db.commit()
+    logger.info(f"Created {artifact_count} artifacts and {tag_count} tags")
+    logger.info("Database seeding complete")

frontend/src/components/Layout.css

@@ -2,64 +2,174 @@
   min-height: 100vh;
   display: flex;
   flex-direction: column;
+  background: var(--bg-primary);
 }
 
+/* Header */
 .header {
-  background-color: var(--primary);
+  background: var(--bg-secondary);
-  color: white;
+  border-bottom: 1px solid var(--border-primary);
-  padding: 1rem 0;
+  padding: 0;
-  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
+  position: sticky;
+  top: 0;
+  z-index: 100;
+  backdrop-filter: blur(12px);
+  background: rgba(17, 17, 19, 0.85);
 }
 
 .header-content {
   display: flex;
   justify-content: space-between;
   align-items: center;
+  height: 64px;
 }
 
+/* Logo */
 .logo {
   display: flex;
   align-items: center;
-  gap: 0.5rem;
+  gap: 12px;
-  color: white;
+  color: var(--text-primary);
-  font-size: 1.5rem;
+  font-size: 1.25rem;
-  font-weight: bold;
+  font-weight: 600;
   text-decoration: none;
+  transition: opacity var(--transition-fast);
 }
 
 .logo:hover {
-  text-decoration: none;
+  opacity: 0.9;
+  color: var(--text-primary);
 }
 
 .logo-icon {
-  font-size: 2rem;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 40px;
+  height: 40px;
+  background: var(--accent-gradient);
+  border-radius: var(--radius-md);
+  color: white;
+  box-shadow: var(--shadow-glow);
 }
 
+.logo-text {
+  letter-spacing: -0.02em;
+}
+
+/* Navigation */
 .nav {
   display: flex;
-  gap: 1.5rem;
+  gap: 8px;
 }
 
 .nav a {
-  color: white;
+  display: flex;
-  opacity: 0.9;
+  align-items: center;
+  gap: 8px;
+  padding: 8px 16px;
+  color: var(--text-primary);
+  font-size: 0.875rem;
+  font-weight: 500;
+  border-radius: var(--radius-md);
+  transition: all var(--transition-fast);
 }
 
 .nav a:hover {
-  opacity: 1;
+  color: var(--text-primary);
-  text-decoration: none;
+  background: var(--bg-hover);
 }
 
+.nav a.active {
+  color: var(--accent-primary);
+  background: rgba(16, 185, 129, 0.1);
+}
+
+.nav a svg {
+  opacity: 0.8;
+}
+
+.nav a:hover svg,
+.nav a.active svg {
+  opacity: 1;
+}
+
+.nav-link-muted {
+  opacity: 0.7;
+}
+
+/* Main content */
 .main {
   flex: 1;
-  padding: 2rem 0;
+  padding: 32px 0 64px;
 }
 
+/* Footer */
 .footer {
-  background-color: var(--primary-dark);
+  background: var(--bg-secondary);
-  color: white;
+  border-top: 1px solid var(--border-primary);
-  padding: 1rem 0;
+  padding: 24px 0;
-  text-align: center;
+}
-  opacity: 0.9;
+
+.footer-content {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.footer-brand {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+}
+
+.footer-logo {
+  font-weight: 600;
+  color: var(--text-primary);
+}
+
+.footer-tagline {
+  color: var(--text-secondary);
   font-size: 0.875rem;
 }
+
+.footer-links {
+  display: flex;
+  gap: 24px;
+}
+
+.footer-links a {
+  color: var(--text-secondary);
+  font-size: 0.875rem;
+  transition: color var(--transition-fast);
+}
+
+.footer-links a:hover {
+  color: var(--text-primary);
+}
+
+/* Responsive */
+@media (max-width: 640px) {
+  .header-content {
+    height: 56px;
+  }
+
+  .logo-text {
+    display: none;
+  }
+
+  .nav a span {
+    display: none;
+  }
+
+  .footer-content {
+    flex-direction: column;
+    gap: 16px;
+    text-align: center;
+  }
+
+  .footer-brand {
+    flex-direction: column;
+    gap: 4px;
+  }
+}

frontend/src/components/Layout.tsx

@@ -1,5 +1,5 @@
 import { ReactNode } from 'react';
-import { Link } from 'react-router-dom';
+import { Link, useLocation } from 'react-router-dom';
 import './Layout.css';
 
 interface LayoutProps {
@@ -7,16 +7,48 @@ interface LayoutProps {
 }
 
 function Layout({ children }: LayoutProps) {
+  const location = useLocation();
+
   return (
     <div className="layout">
       <header className="header">
         <div className="container header-content">
           <Link to="/" className="logo">
-            <span className="logo-icon">🌳</span>
+            <div className="logo-icon">
+              <svg width="28" height="28" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+                {/* Three trees representing an orchard */}
+                {/* Left tree */}
+                <ellipse cx="6" cy="9" rx="4" ry="5" fill="currentColor" opacity="0.7"/>
+                <rect x="5" y="13" width="2" height="5" fill="currentColor"/>
+                {/* Center tree (larger) */}
+                <ellipse cx="12" cy="7" rx="5" ry="6" fill="currentColor"/>
+                <rect x="11" y="12" width="2" height="6" fill="currentColor"/>
+                {/* Right tree */}
+                <ellipse cx="18" cy="9" rx="4" ry="5" fill="currentColor" opacity="0.7"/>
+                <rect x="17" y="13" width="2" height="5" fill="currentColor"/>
+                {/* Ground line */}
+                <line x1="2" y1="18" x2="22" y2="18" stroke="currentColor" strokeWidth="1.5" strokeLinecap="round" opacity="0.5"/>
+              </svg>
+            </div>
             <span className="logo-text">Orchard</span>
           </Link>
           <nav className="nav">
-            <Link to="/">Groves</Link>
+            <Link to="/" className={location.pathname === '/' ? 'active' : ''}>
+              <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2">
+                <path d="M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"/>
+                <polyline points="9,22 9,12 15,12 15,22"/>
+              </svg>
+              Projects
+            </Link>
+            <a href="/docs" className="nav-link-muted">
+              <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2">
+                <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/>
+                <polyline points="14,2 14,8 20,8"/>
+                <line x1="16" y1="13" x2="8" y2="13"/>
+                <line x1="16" y1="17" x2="8" y2="17"/>
+              </svg>
+              Docs
+            </a>
           </nav>
         </div>
       </header>
@@ -26,8 +58,15 @@ function Layout({ children }: LayoutProps) {
         </div>
       </main>
       <footer className="footer">
-        <div className="container">
+        <div className="container footer-content">
-          <p>Orchard - Content-Addressable Storage System</p>
+          <div className="footer-brand">
+            <span className="footer-logo">Orchard</span>
+            <span className="footer-tagline">Content-Addressable Storage</span>
+          </div>
+          <div className="footer-links">
+            <a href="/docs">Documentation</a>
+            <a href="/api/v1">API</a>
+          </div>
         </div>
       </footer>
     </div>

frontend/src/index.css

@@ -5,34 +5,97 @@
 }
 
 :root {
-  --primary: #2d5a27;
+  /* Dark mode color palette */
-  --primary-light: #4a8c3f;
+  --bg-primary: #0a0a0b;
-  --primary-dark: #1e3d1a;
+  --bg-secondary: #111113;
-  --secondary: #8b4513;
+  --bg-tertiary: #1a1a1d;
-  --background: #f5f5f0;
+  --bg-elevated: #222225;
-  --surface: #ffffff;
+  --bg-hover: #2a2a2e;
-  --text: #333333;
+
-  --text-light: #666666;
+  /* Accent colors - Green/Emerald theme */
-  --border: #e0e0e0;
+  --accent-primary: #10b981;
-  --success: #28a745;
+  --accent-primary-hover: #34d399;
-  --error: #dc3545;
+  --accent-secondary: #059669;
-  --warning: #ffc107;
+  --accent-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
+
+  /* Text colors - improved contrast */
+  --text-primary: #f9fafb;
+  --text-secondary: #d1d5db;
+  --text-tertiary: #9ca3af;
+  --text-muted: #6b7280;
+
+  /* Border colors */
+  --border-primary: #27272a;
+  --border-secondary: #3f3f46;
+  --border-accent: #10b981;
+
+  /* Status colors */
+  --success: #22c55e;
+  --success-bg: rgba(34, 197, 94, 0.1);
+  --error: #ef4444;
+  --error-bg: rgba(239, 68, 68, 0.1);
+  --warning: #f59e0b;
+  --warning-bg: rgba(245, 158, 11, 0.1);
+
+  /* Shadows */
+  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
+  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
+  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
+  --shadow-glow: 0 0 20px rgba(16, 185, 129, 0.3);
+
+  /* Transitions */
+  --transition-fast: 150ms ease;
+  --transition-normal: 250ms ease;
+  --transition-slow: 350ms ease;
+
+  /* Border radius */
+  --radius-sm: 6px;
+  --radius-md: 8px;
+  --radius-lg: 12px;
+  --radius-xl: 16px;
+}
+
+html {
+  color-scheme: dark;
 }
 
 body {
-  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
+  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
-  background-color: var(--background);
+  background-color: var(--bg-primary);
-  color: var(--text);
+  color: var(--text-primary);
   line-height: 1.6;
+  font-size: 14px;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+/* Scrollbar styling */
+::-webkit-scrollbar {
+  width: 8px;
+  height: 8px;
+}
+
+::-webkit-scrollbar-track {
+  background: var(--bg-secondary);
+}
+
+::-webkit-scrollbar-thumb {
+  background: var(--border-secondary);
+  border-radius: 4px;
+}
+
+::-webkit-scrollbar-thumb:hover {
+  background: var(--text-tertiary);
 }
 
 a {
-  color: var(--primary);
+  color: var(--accent-primary);
   text-decoration: none;
+  transition: color var(--transition-fast);
 }
 
 a:hover {
-  text-decoration: underline;
+  color: var(--accent-primary-hover);
 }
 
 button {
@@ -41,7 +104,13 @@ button {
 }
 
 .container {
-  max-width: 1200px;
+  max-width: 1280px;
   margin: 0 auto;
-  padding: 0 20px;
+  padding: 0 24px;
+}
+
+/* Selection */
+::selection {
+  background: var(--accent-primary);
+  color: white;
 }

frontend/src/pages/Home.css

@@ -1,3 +1,4 @@
+/* Page Layout */
 .home {
   max-width: 1000px;
   margin: 0 auto;
@@ -7,71 +8,92 @@
   display: flex;
   justify-content: space-between;
   align-items: center;
-  margin-bottom: 2rem;
+  margin-bottom: 32px;
 }
 
 .page-header h1 {
   font-size: 2rem;
-  color: var(--primary-dark);
+  font-weight: 700;
+  color: var(--text-primary);
+  letter-spacing: -0.02em;
 }
 
+/* Buttons */
 .btn {
-  padding: 0.625rem 1.25rem;
+  display: inline-flex;
+  align-items: center;
+  gap: 8px;
+  padding: 10px 20px;
   border: none;
-  border-radius: 6px;
+  border-radius: var(--radius-md);
   font-size: 0.875rem;
   font-weight: 500;
-  transition: all 0.2s;
+  transition: all var(--transition-fast);
 }
 
 .btn-primary {
-  background-color: var(--primary);
+  background: var(--accent-gradient);
   color: white;
+  box-shadow: var(--shadow-sm), 0 0 20px rgba(16, 185, 129, 0.2);
 }
 
 .btn-primary:hover {
-  background-color: var(--primary-dark);
+  transform: translateY(-1px);
+  box-shadow: var(--shadow-md), 0 0 30px rgba(16, 185, 129, 0.3);
+}
+
+.btn-primary:active {
+  transform: translateY(0);
 }
 
 .btn-primary:disabled {
-  opacity: 0.6;
+  opacity: 0.5;
   cursor: not-allowed;
+  transform: none;
 }
 
 .btn-secondary {
-  background-color: var(--border);
+  background: var(--bg-tertiary);
-  color: var(--text);
+  color: var(--text-secondary);
+  border: 1px solid var(--border-primary);
 }
 
 .btn-secondary:hover {
-  background-color: #d0d0d0;
+  background: var(--bg-hover);
+  color: var(--text-primary);
+  border-color: var(--border-secondary);
 }
 
+/* Cards */
 .card {
-  background-color: var(--surface);
+  background: var(--bg-secondary);
-  border: 1px solid var(--border);
+  border: 1px solid var(--border-primary);
-  border-radius: 8px;
+  border-radius: var(--radius-lg);
-  padding: 1.5rem;
+  padding: 24px;
+  transition: all var(--transition-normal);
 }
 
+/* Forms */
 .form {
-  margin-bottom: 2rem;
+  margin-bottom: 32px;
 }
 
 .form h3 {
-  margin-bottom: 1rem;
+  margin-bottom: 20px;
-  color: var(--primary-dark);
+  color: var(--text-primary);
+  font-size: 1.125rem;
+  font-weight: 600;
 }
 
 .form-group {
-  margin-bottom: 1rem;
+  margin-bottom: 16px;
 }
 
 .form-group label {
   display: block;
-  margin-bottom: 0.375rem;
+  margin-bottom: 8px;
   font-weight: 500;
-  color: var(--text-light);
+  color: var(--text-secondary);
   font-size: 0.875rem;
 }
 
@@ -80,82 +102,138 @@
 .form-group select,
 .form-group textarea {
   width: 100%;
-  padding: 0.625rem;
+  padding: 12px 16px;
-  border: 1px solid var(--border);
+  background: var(--bg-tertiary);
-  border-radius: 6px;
+  border: 1px solid var(--border-primary);
+  border-radius: var(--radius-md);
   font-size: 0.875rem;
+  color: var(--text-primary);
+  transition: all var(--transition-fast);
+}
+
+.form-group input::placeholder {
+  color: var(--text-muted);
 }
 
 .form-group input:focus,
 .form-group select:focus,
 .form-group textarea:focus {
   outline: none;
-  border-color: var(--primary);
+  border-color: var(--accent-primary);
-  box-shadow: 0 0 0 3px rgba(45, 90, 39, 0.1);
+  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
+  background: var(--bg-elevated);
 }
 
 .form-group.checkbox label {
   display: flex;
   align-items: center;
-  gap: 0.5rem;
+  gap: 10px;
+  cursor: pointer;
+  color: var(--text-primary);
+}
+
+.form-group.checkbox input[type="checkbox"] {
+  width: 18px;
+  height: 18px;
+  accent-color: var(--accent-primary);
   cursor: pointer;
 }
 
-.form-group.checkbox input {
+/* Messages */
-  width: auto;
-}
-
 .error-message {
-  background-color: #fef2f2;
+  background: var(--error-bg);
-  border: 1px solid #fecaca;
+  border: 1px solid rgba(239, 68, 68, 0.2);
   color: var(--error);
-  padding: 0.75rem 1rem;
+  padding: 12px 16px;
-  border-radius: 6px;
+  border-radius: var(--radius-md);
-  margin-bottom: 1rem;
+  margin-bottom: 16px;
+  font-size: 0.875rem;
 }
 
+.success-message {
+  background: var(--success-bg);
+  border: 1px solid rgba(34, 197, 94, 0.2);
+  color: var(--success);
+  padding: 12px 16px;
+  border-radius: var(--radius-md);
+  margin-bottom: 16px;
+  font-size: 0.875rem;
+}
+
+/* Loading */
 .loading {
-  text-align: center;
+  display: flex;
-  padding: 3rem;
+  align-items: center;
-  color: var(--text-light);
+  justify-content: center;
+  padding: 64px;
+  color: var(--text-tertiary);
+  font-size: 0.875rem;
 }
 
+/* Empty State */
 .empty-state {
   text-align: center;
-  padding: 3rem;
+  padding: 64px 32px;
-  color: var(--text-light);
+  color: var(--text-tertiary);
-  background-color: var(--surface);
+  background: var(--bg-secondary);
-  border: 1px dashed var(--border);
+  border: 1px dashed var(--border-secondary);
-  border-radius: 8px;
+  border-radius: var(--radius-lg);
 }
 
+.empty-state p {
+  font-size: 0.9375rem;
+}
+
+/* Project Grid */
 .project-grid {
   display: grid;
   grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
-  gap: 1rem;
+  gap: 16px;
 }
 
 .project-card {
   display: block;
   color: inherit;
-  transition: transform 0.2s, box-shadow 0.2s;
+  position: relative;
+  overflow: hidden;
+}
+
+.project-card::before {
+  content: '';
+  position: absolute;
+  inset: 0;
+  background: var(--accent-gradient);
+  opacity: 0;
+  transition: opacity var(--transition-normal);
+  border-radius: var(--radius-lg);
 }
 
 .project-card:hover {
+  border-color: var(--border-secondary);
   transform: translateY(-2px);
-  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+  box-shadow: var(--shadow-lg);
-  text-decoration: none;
+  color: inherit;
+}
+
+.project-card:hover::before {
+  opacity: 0.03;
 }
 
 .project-card h3 {
-  color: var(--primary);
+  color: var(--text-primary);
-  margin-bottom: 0.5rem;
+  font-size: 1.125rem;
+  font-weight: 600;
+  margin-bottom: 8px;
+  display: flex;
+  align-items: center;
+  gap: 8px;
 }
 
 .project-card p {
-  color: var(--text-light);
+  color: var(--text-secondary);
   font-size: 0.875rem;
-  margin-bottom: 1rem;
+  margin-bottom: 16px;
+  line-height: 1.5;
 }
 
 .project-meta {
@@ -163,24 +241,63 @@
   justify-content: space-between;
   align-items: center;
   font-size: 0.75rem;
+  padding-top: 16px;
+  border-top: 1px solid var(--border-primary);
+  margin-top: auto;
 }
 
+/* Badges */
 .badge {
-  padding: 0.25rem 0.5rem;
+  padding: 4px 10px;
-  border-radius: 4px;
+  border-radius: 100px;
   font-weight: 500;
+  font-size: 0.75rem;
+  text-transform: uppercase;
+  letter-spacing: 0.02em;
 }
 
 .badge-public {
-  background-color: #dcfce7;
+  background: var(--success-bg);
-  color: #166534;
+  color: var(--success);
+  border: 1px solid rgba(34, 197, 94, 0.2);
 }
 
 .badge-private {
-  background-color: #fef3c7;
+  background: var(--warning-bg);
-  color: #92400e;
+  color: var(--warning);
+  border: 1px solid rgba(245, 158, 11, 0.2);
 }
 
 .date {
-  color: var(--text-light);
+  color: var(--text-muted);
+}
+
+/* Breadcrumb */
+.breadcrumb {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  margin-bottom: 24px;
+  font-size: 0.875rem;
+  color: var(--text-tertiary);
+}
+
+.breadcrumb a {
+  color: var(--text-secondary);
+  transition: color var(--transition-fast);
+}
+
+.breadcrumb a:hover {
+  color: var(--accent-primary);
+}
+
+.breadcrumb span {
+  color: var(--text-primary);
+  font-weight: 500;
+}
+
+.description {
+  color: var(--text-secondary);
+  margin-top: 4px;
+  font-size: 0.9375rem;
 }

frontend/src/pages/PackagePage.css

@@ -1,44 +1,32 @@
-.breadcrumb {
+/* Upload Section */
-  margin-bottom: 1rem;
-  font-size: 0.875rem;
-  color: var(--text-light);
-}
-
-.breadcrumb a {
-  color: var(--primary);
-}
-
-.breadcrumb span {
-  color: var(--text);
-  font-weight: 500;
-}
-
-.description {
-  color: var(--text-light);
-  margin-top: 0.25rem;
-}
-
-.success-message {
-  background-color: #f0fdf4;
-  border: 1px solid #bbf7d0;
-  color: var(--success);
-  padding: 0.75rem 1rem;
-  border-radius: 6px;
-  margin-bottom: 1rem;
-}
-
 .upload-section {
-  margin-bottom: 2rem;
+  margin-bottom: 32px;
+  background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(5, 150, 105, 0.05) 100%);
+  border: 1px solid rgba(16, 185, 129, 0.2);
 }
 
 .upload-section h3 {
-  margin-bottom: 1rem;
+  margin-bottom: 20px;
-  color: var(--primary-dark);
+  color: var(--text-primary);
+  font-size: 1rem;
+  font-weight: 600;
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.upload-section h3::before {
+  content: '';
+  display: block;
+  width: 4px;
+  height: 20px;
+  background: var(--accent-gradient);
+  border-radius: 2px;
 }
 
 .upload-form {
   display: flex;
-  gap: 1rem;
+  gap: 16px;
   align-items: flex-end;
   flex-wrap: wrap;
 }
@@ -49,17 +37,42 @@
   min-width: 200px;
 }
 
-h2 {
+.upload-form .form-group input[type="file"] {
-  margin-bottom: 1rem;
+  padding: 10px 16px;
-  color: var(--primary-dark);
+  background: var(--bg-tertiary);
+  cursor: pointer;
 }
 
+.upload-form .form-group input[type="file"]::file-selector-button {
+  background: var(--accent-gradient);
+  color: white;
+  border: none;
+  padding: 6px 12px;
+  border-radius: var(--radius-sm);
+  margin-right: 12px;
+  cursor: pointer;
+  font-weight: 500;
+  font-size: 0.8125rem;
+}
+
+/* Section Headers */
+h2 {
+  margin-bottom: 16px;
+  color: var(--text-primary);
+  font-size: 1.25rem;
+  font-weight: 600;
+  display: flex;
+  align-items: center;
+  gap: 10px;
+}
+
+/* Tags Table */
 .tags-table {
-  background-color: var(--surface);
+  background: var(--bg-secondary);
-  border: 1px solid var(--border);
+  border: 1px solid var(--border-primary);
-  border-radius: 8px;
+  border-radius: var(--radius-lg);
   overflow: hidden;
-  margin-bottom: 2rem;
+  margin-bottom: 32px;
 }
 
 .tags-table table {
@@ -69,63 +82,146 @@ h2 {
 
 .tags-table th,
 .tags-table td {
-  padding: 0.875rem 1rem;
+  padding: 14px 20px;
   text-align: left;
-  border-bottom: 1px solid var(--border);
+  border-bottom: 1px solid var(--border-primary);
 }
 
 .tags-table th {
-  background-color: #f9f9f9;
+  background: var(--bg-tertiary);
   font-weight: 600;
   font-size: 0.75rem;
   text-transform: uppercase;
-  color: var(--text-light);
+  letter-spacing: 0.05em;
+  color: var(--text-tertiary);
 }
 
 .tags-table tr:last-child td {
   border-bottom: none;
 }
 
-.tags-table tr:hover {
+.tags-table tbody tr {
-  background-color: #f9f9f9;
+  transition: background var(--transition-fast);
+}
+
+.tags-table tbody tr:hover {
+  background: var(--bg-tertiary);
+}
+
+.tags-table td strong {
+  color: var(--accent-primary);
+  font-weight: 600;
 }
 
 .artifact-id {
-  font-family: monospace;
+  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
-  font-size: 0.875rem;
+  font-size: 0.8125rem;
-  color: var(--text-light);
+  color: var(--text-tertiary);
+  background: var(--bg-tertiary);
+  padding: 4px 8px;
+  border-radius: var(--radius-sm);
 }
 
 .btn-small {
-  padding: 0.375rem 0.75rem;
+  padding: 6px 12px;
   font-size: 0.75rem;
 }
 
+/* Usage Section */
 .usage-section {
-  margin-top: 2rem;
+  margin-top: 32px;
+  background: var(--bg-secondary);
 }
 
 .usage-section h3 {
-  margin-bottom: 0.5rem;
+  margin-bottom: 12px;
-  color: var(--primary-dark);
+  color: var(--text-primary);
+  font-size: 1rem;
+  font-weight: 600;
 }
 
 .usage-section p {
-  color: var(--text-light);
+  color: var(--text-secondary);
-  margin-bottom: 0.5rem;
+  margin-bottom: 12px;
   font-size: 0.875rem;
 }
 
 .usage-section pre {
-  background-color: #1e1e1e;
+  background: #0d0d0f;
-  color: #d4d4d4;
+  border: 1px solid var(--border-primary);
-  padding: 1rem;
+  padding: 16px 20px;
-  border-radius: 6px;
+  border-radius: var(--radius-md);
   overflow-x: auto;
-  margin-bottom: 1rem;
+  margin-bottom: 16px;
 }
 
 .usage-section code {
-  font-family: 'Fira Code', 'Consolas', monospace;
+  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
-  font-size: 0.875rem;
+  font-size: 0.8125rem;
+  color: #e2e8f0;
+}
+
+/* Syntax highlighting for code blocks */
+.usage-section pre {
+  position: relative;
+}
+
+.usage-section pre::before {
+  content: 'bash';
+  position: absolute;
+  top: 8px;
+  right: 12px;
+  font-size: 0.6875rem;
+  color: var(--text-muted);
+  text-transform: uppercase;
+  letter-spacing: 0.05em;
+}
+
+/* Copy button for code blocks (optional enhancement) */
+.code-block {
+  position: relative;
+}
+
+.code-block .copy-btn {
+  position: absolute;
+  top: 8px;
+  right: 8px;
+  background: var(--bg-tertiary);
+  border: 1px solid var(--border-primary);
+  color: var(--text-secondary);
+  padding: 4px 8px;
+  border-radius: var(--radius-sm);
+  font-size: 0.6875rem;
+  cursor: pointer;
+  opacity: 0;
+  transition: opacity var(--transition-fast);
+}
+
+.code-block:hover .copy-btn {
+  opacity: 1;
+}
+
+.code-block .copy-btn:hover {
+  background: var(--bg-hover);
+  color: var(--text-primary);
+}
+
+/* Responsive adjustments */
+@media (max-width: 768px) {
+  .upload-form {
+    flex-direction: column;
+    align-items: stretch;
+  }
+
+  .upload-form .form-group {
+    min-width: 100%;
+  }
+
+  .tags-table {
+    overflow-x: auto;
+  }
+
+  .tags-table table {
+    min-width: 500px;
+  }
 }