<!-- views/layout/header.php -->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>NexCore-Pharma</title>
    <link rel="stylesheet" href="/public/css/style.css">
</head>
<body>
    <div class="app-container">
        <?php include 'sidebar.php'; ?>
        
        <main class="main-content">
            <header class="header">
                <div>
                    <!-- Breadcrumbs or page title could go here -->
                </div>
                <div class="user-profile">
                    Welcome, <strong><?php echo htmlspecialchars($_SESSION['username']); ?></strong> 
                    <span style="color: var(--text-muted); font-size: 12px;">(<?php echo htmlspecialchars($_SESSION['role']); ?>)</span>
                </div>
            </header>
            
            <div class="content-wrapper">
