v1

add_paper.php

@@ -0,0 +1,66 @@
+
+<?php
+require_once 'db/config.php';
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    $title = $_POST['title'] ?? '';
+    $authors = $_POST['authors'] ?? '';
+    $publication = $_POST['publication'] ?? '';
+    $year = $_POST['year'] ?? null;
+    $notes = $_POST['notes'] ?? '';
+
+    if ($title && $authors) {
+        try {
+            $pdo = db();
+            $stmt = $pdo->prepare("INSERT INTO papers (title, authors, publication, year, notes) VALUES (?, ?, ?, ?, ?)");
+            $stmt->execute([$title, $authors, $publication, $year, $notes]);
+            header("Location: /?toast=" . urlencode('Paper added successfully!'));
+            exit;
+        } catch (PDOException $e) {
+            // In a real app, you'd log this error.
+            header("Location: /add_paper.php?toast=" . urlencode('Error adding paper.'));
+            exit;
+        }
+    }
+}
+
+include 'partials/header.php';
+?>
+
+<div class="container mt-5">
+    <div class="row justify-content-center">
+        <div class="col-md-8">
+            <div class="form-container">
+                <div class="text-center mb-4">
+                    <img src="https://picsum.photos/200" alt="Icon of a document or a book" class="mb-3">
+                    <h2>Add a New Paper</h2>
+                </div>
+                <form action="add_paper.php" method="POST" id="add-paper-form">
+                    <div class="mb-3">
+                        <label for="title" class="form-label">Title</label>
+                        <input type="text" class="form-control" id="title" name="title" required>
+                    </div>
+                    <div class="mb-3">
+                        <label for="authors" class="form-label">Authors</label>
+                        <input type="text" class="form-control" id="authors" name="authors" required>
+                    </div>
+                    <div class="mb-3">
+                        <label for="publication" class="form-label">Publication/Journal</label>
+                        <input type="text" class="form-control" id="publication" name="publication">
+                    </div>
+                    <div class="mb-3">
+                        <label for="year" class="form-label">Year</label>
+                        <input type="number" class="form-control" id="year" name="year">
+                    </div>
+                    <div class="mb-3">
+                        <label for="notes" class="form-label">Notes</label>
+                        <textarea class="form-control" id="notes" name="notes" rows="4"></textarea>
+                    </div>
+                    <button type="submit" class="btn btn-primary w-100">Add Paper</button>
+                </form>
+            </div>
+        </div>
+    </div>
+</div>
+
+<?php include 'partials/footer.php'; ?>

assets/css/custom.css

@@ -0,0 +1,61 @@
+
+/* General Body Styles */
+body {
+    font-family: 'Inter', sans-serif;
+    background-color: #f8f9fa;
+    color: #343a40;
+}
+
+/* Typography */
+h1, h2, h3, h4, h5, h6 {
+    font-family: 'Playfair Display', serif;
+    font-weight: 700;
+}
+
+/* Buttons */
+.btn-primary {
+    background-image: linear-gradient(45deg, #007bff, #0056b3);
+    border: none;
+    transition: transform 0.2s;
+}
+
+.btn-primary:hover {
+    transform: translateY(-2px);
+    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+}
+
+/* Cards */
+.card {
+    border-radius: 0.5rem;
+    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
+}
+
+/* Header */
+.hero {
+    background: url('https://picsum.photos/1600/400') no-repeat center center;
+    background-size: cover;
+    color: white;
+    padding: 4rem 0;
+    text-align: center;
+}
+
+.hero h1 {
+    font-size: 3.5rem;
+    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
+}
+
+/* Form */
+.form-container {
+    background: white;
+    padding: 2rem;
+    border-radius: 0.5rem;
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+}
+
+/* Toast Notifications */
+.toast-container {
+    position: fixed;
+    top: 1rem;
+    right: 1rem;
+    z-index: 1050;
+}

assets/js/main.js

@@ -0,0 +1,45 @@
+
+// Client-side validation for the add paper form
+document.addEventListener('DOMContentLoaded', () => {
+    const form = document.querySelector('#add-paper-form');
+    if (form) {
+        form.addEventListener('submit', (event) => {
+            let isValid = true;
+            const requiredFields = form.querySelectorAll('[required]');
+            requiredFields.forEach(field => {
+                if (!field.value) {
+                    isValid = false;
+                    field.classList.add('is-invalid');
+                } else {
+                    field.classList.remove('is-invalid');
+                }
+            });
+
+            if (!isValid) {
+                event.preventDefault();
+                alert('Please fill out all required fields.');
+            }
+        });
+    }
+
+    // Show toast from URL parameter
+    const urlParams = new URLSearchParams(window.location.search);
+    const toastMessage = urlParams.get('toast');
+    if (toastMessage) {
+        const toastContainer = document.querySelector('.toast-container');
+        if (toastContainer) {
+            const toast = `
+                <div class="toast show" role="alert" aria-live="assertive" aria-atomic="true">
+                    <div class="toast-header">
+                        <strong class="me-auto">Notification</strong>
+                        <button type="button" class="btn-close" data-bs-dismiss="toast" aria-label="Close"></button>
+                    </div>
+                    <div class="toast-body">
+                        ${decodeURIComponent(toastMessage)}
+                    </div>
+                </div>
+            `;
+            toastContainer.innerHTML = toast;
+        }
+    }
+});

db/config.php

@@ -1,17 +1,35 @@
 <?php
-// Generated by setup_mariadb_project.sh — edit as needed.
-define('DB_HOST', '127.0.0.1');
-define('DB_NAME', 'app_30953');
-define('DB_USER', 'app_30953');
-define('DB_PASS', 'e45f2778-db1f-450c-99c6-29efb4601472');
-
 function db() {
-  static $pdo;
-  if (!$pdo) {
-    $pdo = new PDO('mysql:host='.DB_HOST.';dbname='.DB_NAME.';charset=utf8mb4', DB_USER, DB_PASS, [
-      PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
-      PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
-    ]);
-  }
-  return $pdo;
+    static $pdoconn = null;
+    if ($pdoconn === null) {
+        $host = '127.0.0.1';
+        $db   = 'lamp_app';
+        $user = 'lamp_user';
+        $pass = '';
+        $charset = 'utf8mb4';
+
+        $dsn = "mysql:host=$host;dbname=$db;charset=$charset";
+        $options = [
+            PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
+            PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+            PDO::ATTR_EMULATE_PREPARES   => false,
+        ];
+        try {
+             $pdoconn = new PDO($dsn, $user, $pass, $options);
+        } catch (\PDOException $e) {
+             throw new \PDOException($e->getMessage(), (int)$e->getCode());
+        }
+    }
+    return $pdoconn;
 }
+
+function run_migrations() {
+    $pdo = db();
+    $migration_files = glob(__DIR__ . '/migrations/*.sql');
+    foreach ($migration_files as $file) {
+        $sql = file_get_contents($file);
+        $pdo->exec($sql);
+    }
+}
+
+run_migrations();

db/migrations/001_create_papers_table.sql

@@ -0,0 +1,10 @@
+
+CREATE TABLE IF NOT EXISTS papers (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    title VARCHAR(255) NOT NULL,
+    authors VARCHAR(255) NOT NULL,
+    publication VARCHAR(255),
+    year INT,
+    notes TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);

delete_paper.php

@@ -0,0 +1,31 @@
+<?php
+require_once 'db/config.php';
+
+if (!isset($_GET['id']) || !filter_var($_GET['id'], FILTER_VALIDATE_INT)) {
+    header("Location: index.php");
+    exit;
+}
+
+$paper_id = $_GET['id'];
+$pdo = db();
+
+// Optional: Check if paper exists before deleting
+$stmt = $pdo->prepare("SELECT id FROM papers WHERE id = ?");
+$stmt->execute([$paper_id]);
+if ($stmt->rowCount() === 0) {
+    // Paper not found, maybe already deleted
+    header("Location: index.php?error=notfound");
+    exit;
+}
+
+// Delete the paper
+try {
+    $stmt = $pdo->prepare("DELETE FROM papers WHERE id = ?");
+    $stmt->execute([$paper_id]);
+    header("Location: index.php?success=deleted");
+    exit;
+} catch (PDOException $e) {
+    // Log error if you have a logging system
+    header("Location: index.php?error=deletfailed");
+    exit;
+}

edit_paper.php

@@ -0,0 +1,99 @@
+<?php
+require_once 'db/config.php';
+include 'partials/header.php';
+
+$pdo = db();
+$feedback = [];
+$paper = null;
+
+if (!isset($_GET['id']) || !filter_var($_GET['id'], FILTER_VALIDATE_INT)) {
+    header("Location: index.php");
+    exit;
+}
+
+$paper_id = $_GET['id'];
+
+// Fetch paper details
+$stmt = $pdo->prepare("SELECT * FROM papers WHERE id = ?");
+$stmt->execute([$paper_id]);
+$paper = $stmt->fetch();
+
+if (!$paper) {
+    header("Location: index.php");
+    exit;
+}
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    $title = trim($_POST['title'] ?? '');
+    $authors = trim($_POST['authors'] ?? '');
+    $publication = trim($_POST['publication'] ?? '');
+    $year = filter_input(INPUT_POST, 'year', FILTER_VALIDATE_INT, ['options' => ['min_range' => 1900, 'max_range' => date('Y') + 1]]);
+    $notes = trim($_POST['notes'] ?? '');
+
+    if (empty($title) || empty($authors)) {
+        $feedback = ['type' => 'danger', 'message' => 'Title and Authors are required.'];
+    } elseif ($year === false) {
+        $feedback = ['type' => 'danger', 'message' => 'Invalid year.'];
+    } else {
+        try {
+            $stmt = $pdo->prepare("UPDATE papers SET title = ?, authors = ?, publication = ?, year = ?, notes = ? WHERE id = ?");
+            $stmt->execute([$title, $authors, $publication, $year, $notes, $paper_id]);
+            header("Location: index.php?success=updated");
+            exit;
+        } catch (PDOException $e) {
+            $feedback = ['type' => 'danger', 'message' => 'Error updating paper: ' . $e->getMessage()];
+        }
+    }
+    // To show feedback on the same page, we need to repopulate the paper variable with submitted data
+    $paper['title'] = $title;
+    $paper['authors'] = $authors;
+    $paper['publication'] = $publication;
+    $paper['year'] = $year;
+    $paper['notes'] = $notes;
+}
+?>
+
+<div class="container mt-5">
+    <div class="row justify-content-center">
+        <div class="col-md-8">
+            <div class="card">
+                <div class="card-header">
+                    <h2>Edit Paper</h2>
+                </div>
+                <div class="card-body">
+                    <?php if (!empty($feedback)): ?>
+                        <div class="alert alert-<?= $feedback['type'] ?>">
+                            <?= htmlspecialchars($feedback['message']) ?>
+                        </div>
+                    <?php endif; ?>
+                    <form action="edit_paper.php?id=<?= $paper_id ?>" method="post">
+                        <div class="mb-3">
+                            <label for="title" class="form-label">Title</label>
+                            <input type="text" class="form-control" id="title" name="title" value="<?= htmlspecialchars($paper['title']) ?>" required>
+                        </div>
+                        <div class="mb-3">
+                            <label for="authors" class="form-label">Authors</label>
+                            <input type="text" class="form-control" id="authors" name="authors" value="<?= htmlspecialchars($paper['authors']) ?>" required>
+                        </div>
+                        <div class="mb-3">
+                            <label for="publication" class="form-label">Publication/Journal</label>
+                            <input type="text" class="form-control" id="publication" name="publication" value="<?= htmlspecialchars($paper['publication']) ?>">
+                        </div>
+                        <div class="mb-3">
+                            <label for="year" class="form-label">Year</label>
+                            <input type="number" class="form-control" id="year" name="year" value="<?= htmlspecialchars($paper['year']) ?>" min="1900" max="<?= date('Y') + 1 ?>">
+                        </div>
+                        <div class="mb-3">
+                            <label for="notes" class="form-label">Notes</label>
+                            <textarea class="form-control" id="notes" name="notes" rows="5"><?= htmlspecialchars($paper['notes']) ?></textarea>
+                        </div>
+                        <button type="submit" class="btn btn-primary">Update Paper</button>
+                        <a href="index.php" class="btn btn-secondary">Cancel</a>
+                    </form>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+
+<?php include 'partials/footer.php'; ?>

index.php

@@ -1,150 +1,135 @@
 <?php
-declare(strict_types=1);
-@ini_set('display_errors', '1');
-@error_reporting(E_ALL);
-@date_default_timezone_set('UTC');
+require_once 'db/config.php';
+include 'partials/header.php';
 
-$phpVersion = PHP_VERSION;
-$now = date('Y-m-d H:i:s');
+$pdo = db();
+$search = $_GET['search'] ?? '';
+$papers_per_page = 6;
+$current_page = isset($_GET['page']) && is_numeric($_GET['page']) ? (int)$_GET['page'] : 1;
+$offset = ($current_page - 1) * $papers_per_page;
+
+// Get total number of papers for pagination
+if ($search) {
+    $count_stmt = $pdo->prepare("SELECT COUNT(*) FROM papers WHERE title LIKE :search OR authors LIKE :search OR publication LIKE :search");
+    $count_stmt->execute(['search' => "%$search%"]);
+} else {
+    $count_stmt = $pdo->query("SELECT COUNT(*) FROM papers");
+}
+$total_papers = $count_stmt->fetchColumn();
+$total_pages = ceil($total_papers / $papers_per_page);
+
+// Get papers for the current page
+if ($search) {
+    $stmt = $pdo->prepare("SELECT * FROM papers WHERE title LIKE :search OR authors LIKE :search OR publication LIKE :search ORDER BY created_at DESC LIMIT :limit OFFSET :offset");
+    $stmt->bindValue(':search', "%$search%", PDO::PARAM_STR);
+    $stmt->bindValue(':limit', $papers_per_page, PDO::PARAM_INT);
+    $stmt->bindValue(':offset', $offset, PDO::PARAM_INT);
+    $stmt->execute();
+} else {
+    $stmt = $pdo->prepare("SELECT * FROM papers ORDER BY created_at DESC LIMIT :limit OFFSET :offset");
+    $stmt->bindValue(':limit', $papers_per_page, PDO::PARAM_INT);
+    $stmt->bindValue(':offset', $offset, PDO::PARAM_INT);
+    $stmt->execute();
+}
+
+$papers = $stmt->fetchAll();
 ?>
-<!doctype html>
-<html lang="en">
-<head>
-  <meta charset="utf-8" />
-  <meta name="viewport" content="width=device-width, initial-scale=1" />
-  <title>New Style</title>
-<?php
-// Read project preview data from environment
-$projectDescription = $_SERVER['PROJECT_DESCRIPTION'] ?? '';
-$projectImageUrl = $_SERVER['PROJECT_IMAGE_URL'] ?? '';
-?>
-<?php if ($projectDescription): ?>
-  <!-- Meta description -->
-  <meta name="description" content='<?= htmlspecialchars($projectDescription) ?>' />
-  <!-- Open Graph meta tags -->
-  <meta property="og:description" content="<?= htmlspecialchars($projectDescription) ?>" />
-  <!-- Twitter meta tags -->
-  <meta property="twitter:description" content="<?= htmlspecialchars($projectDescription) ?>" />
-<?php endif; ?>
-<?php if ($projectImageUrl): ?>
-  <!-- Open Graph image -->
-  <meta property="og:image" content="<?= htmlspecialchars($projectImageUrl) ?>" />
-  <!-- Twitter image -->
-  <meta property="twitter:image" content="<?= htmlspecialchars($projectImageUrl) ?>" />
-<?php endif; ?>
-  <link rel="preconnect" href="https://fonts.googleapis.com">
-  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;700&display=swap" rel="stylesheet">
-  <style>
-    :root {
-      --bg-color-start: #6a11cb;
-      --bg-color-end: #2575fc;
-      --text-color: #ffffff;
-      --card-bg-color: rgba(255, 255, 255, 0.01);
-      --card-border-color: rgba(255, 255, 255, 0.1);
-    }
-    body {
-      margin: 0;
-      font-family: 'Inter', sans-serif;
-      background: linear-gradient(45deg, var(--bg-color-start), var(--bg-color-end));
-      color: var(--text-color);
-      display: flex;
-      justify-content: center;
-      align-items: center;
-      min-height: 100vh;
-      text-align: center;
-      overflow: hidden;
-      position: relative;
-    }
-    body::before {
-      content: '';
-      position: absolute;
-      top: 0;
-      left: 0;
-      width: 100%;
-      height: 100%;
-      background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path d="M-10 10L110 10M10 -10L10 110" stroke-width="1" stroke="rgba(255,255,255,0.05)"/></svg>');
-      animation: bg-pan 20s linear infinite;
-      z-index: -1;
-    }
-    @keyframes bg-pan {
-      0% { background-position: 0% 0%; }
-      100% { background-position: 100% 100%; }
-    }
-    main {
-      padding: 2rem;
-    }
-    .card {
-      background: var(--card-bg-color);
-      border: 1px solid var(--card-border-color);
-      border-radius: 16px;
-      padding: 2rem;
-      backdrop-filter: blur(20px);
-      -webkit-backdrop-filter: blur(20px);
-      box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
-    }
-    .loader {
-      margin: 1.25rem auto 1.25rem;
-      width: 48px;
-      height: 48px;
-      border: 3px solid rgba(255, 255, 255, 0.25);
-      border-top-color: #fff;
-      border-radius: 50%;
-      animation: spin 1s linear infinite;
-    }
-    @keyframes spin {
-      from { transform: rotate(0deg); }
-      to   { transform: rotate(360deg); }
-    }
-    .hint {
-      opacity: 0.9;
-    }
-    .sr-only {
-      position: absolute;
-      width: 1px; height: 1px;
-      padding: 0; margin: -1px;
-      overflow: hidden;
-      clip: rect(0, 0, 0, 0);
-      white-space: nowrap; border: 0;
-    }
-    h1 {
-      font-size: 3rem;
-      font-weight: 700;
-      margin: 0 0 1rem;
-      letter-spacing: -1px;
-    }
-    p {
-      margin: 0.5rem 0;
-      font-size: 1.1rem;
-    }
-    code {
-      background: rgba(0,0,0,0.2);
-      padding: 2px 6px;
-      border-radius: 4px;
-      font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
-    }
-    footer {
-      position: absolute;
-      bottom: 1rem;
-      font-size: 0.8rem;
-      opacity: 0.7;
-    }
-  </style>
-</head>
-<body>
-  <main>
-    <div class="card">
-      <h1>Analyzing your requirements and generating your website…</h1>
-      <div class="loader" role="status" aria-live="polite" aria-label="Applying initial changes">
-        <span class="sr-only">Loading…</span>
-      </div>
-      <p class="hint"><?= ($_SERVER['HTTP_HOST'] ?? '') === 'appwizzy.com' ? 'AppWizzy' : 'Flatlogic' ?> AI is collecting your requirements and applying the first changes.</p>
-      <p class="hint">This page will update automatically as the plan is implemented.</p>
-      <p>Runtime: PHP <code><?= htmlspecialchars($phpVersion) ?></code> — UTC <code><?= htmlspecialchars($now) ?></code></p>
+
+<div class="hero">
+    <div class="container">
+        <h1>Your Paper Collection</h1>
+        <p class="lead">A central place to manage all your academic papers.</p>
+        <a href="add_paper.php" class="btn btn-primary btn-lg">Add a New Paper</a>
     </div>
-  </main>
-  <footer>
-    Page updated: <?= htmlspecialchars($now) ?> (UTC)
-  </footer>
-</body>
-</html>
+</div>
+
+<div class="container mt-5">
+    <?php
+    $feedback = [];
+    if (isset($_GET['success'])) {
+        if ($_GET['success'] === 'deleted') {
+            $feedback = ['type' => 'success', 'message' => 'Paper deleted successfully.'];
+        }
+        if ($_GET['success'] === 'updated') {
+            $feedback = ['type' => 'success', 'message' => 'Paper updated successfully.'];
+        }
+    }
+    if (isset($_GET['error'])) {
+        if ($_GET['error'] === 'notfound') {
+            $feedback = ['type' => 'danger', 'message' => 'Paper not found.'];
+        }
+        if ($_GET['error'] === 'deletfailed') {
+            $feedback = ['type' => 'danger', 'message' => 'Error deleting paper.'];
+        }
+    }
+    ?>
+    <?php if (!empty($feedback)): ?>
+        <div class="alert alert-<?= $feedback['type'] ?> alert-dismissible fade show" role="alert">
+            <?= htmlspecialchars($feedback['message']) ?>
+            <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
+        </div>
+    <?php endif; ?>
+
+    <div class="mb-4">
+        <form action="index.php" method="get" class="d-flex">
+            <input type="text" name="search" class="form-control me-2" placeholder="Search by title, author, or publication..." value="<?= htmlspecialchars($search) ?>">
+            <button type="submit" class="btn btn-primary">Search</button>
+        </form>
+    </div>
+
+    <h2 class="mb-4">Recently Added</h2>
+    <div class="row">
+        <?php if (empty($papers)): ?>
+            <div class="col">
+                <p>No papers added yet. <a href="add_paper.php">Add your first one!</a></p>
+            </div>
+        <?php else: ?>
+            <?php foreach ($papers as $paper): ?>
+                <div class="col-md-6 col-lg-4 mb-4">
+                    <div class="card h-100">
+                        <div class="card-body d-flex flex-column">
+                            <h5 class="card-title"><?= htmlspecialchars($paper['title']) ?></h5>
+                            <h6 class="card-subtitle mb-2 text-muted"><?= htmlspecialchars($paper['authors']) ?></h6>
+                            <p class="card-text flex-grow-1">
+                                <?php if ($paper['publication']): ?>
+                                    <strong>Publication:</strong> <?= htmlspecialchars($paper['publication']) ?><br>
+                                <?php endif; ?>
+                                <?php if ($paper['year']): ?>
+                                    <strong>Year:</strong> <?= htmlspecialchars($paper['year']) ?><br>
+                                <?php endif; ?>
+                                <?php if ($paper['notes']): ?>
+                                    <strong>Notes:</strong> <?= nl2br(htmlspecialchars(substr($paper['notes'], 0, 100))) . (strlen($paper['notes']) > 100 ? '...' : '') ?><br>
+                                <?php endif; ?>
+                            </p>
+                            <div class="mt-auto">
+                                <a href="edit_paper.php?id=<?= $paper['id'] ?>" class="btn btn-sm btn-outline-primary">Edit</a>
+                                <a href="delete_paper.php?id=<?= $paper['id'] ?>" class="btn btn-sm btn-outline-danger" onclick="return confirm('Are you sure you want to delete this paper?');">Delete</a>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            <?php endforeach; ?>
+        <?php endif; ?>
+    </div>
+
+    <!-- Pagination -->
+    <?php if ($total_pages > 1): ?>
+    <nav aria-label="Page navigation">
+        <ul class="pagination justify-content-center">
+            <?php if ($current_page > 1): ?>
+                <li class="page-item"><a class="page-link" href="?page=<?= $current_page - 1 ?>&search=<?= htmlspecialchars($search) ?>">Previous</a></li>
+            <?php endif; ?>
+
+            <?php for ($i = 1; $i <= $total_pages; $i++): ?>
+                <li class="page-item <?php if ($i === $current_page) echo 'active'; ?>"><a class="page-link" href="?page=<?= $i ?>&search=<?= htmlspecialchars($search) ?>"><?= $i ?></a></li>
+            <?php endfor; ?>
+
+            <?php if ($current_page < $total_pages): ?>
+                <li class="page-item"><a class="page-link" href="?page=<?= $current_page + 1 ?>&search=<?= htmlspecialchars($search) ?>">Next</a></li>
+            <?php endif; ?>
+        </ul>
+    </nav>
+    <?php endif; ?>
+</div>
+
+<?php include 'partials/footer.php'; ?>

partials/footer.php

@@ -0,0 +1,12 @@
+
+<footer class="bg-white mt-5 p-4 text-center shadow-sm">
+    <div class="container">
+        <p class="mb-0">&copy; <?php echo date('Y'); ?> PaperCRM. All rights reserved.</p>
+        <img src="https://picsum.photos/50" alt="Company logo placeholder" class="mt-2">
+    </div>
+</footer>
+
+<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
+<script src="assets/js/main.js?v=<?php echo time(); ?>"></script>
+</body>
+</html>

partials/header.php

@@ -0,0 +1,45 @@
+
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Paper CRM</title>
+    <meta name="description" content="A simple CRM for managing academic papers.">
+    <meta name="keywords" content="crm, papers, academic, research, flatlogic">
+    <meta property="og:title" content="Paper CRM">
+    <meta property="og:description" content="A simple CRM for managing academic papers.">
+    <meta property="og:image" content="<?php echo isset($_SERVER['PROJECT_IMAGE_URL']) ? $_SERVER['PROJECT_IMAGE_URL'] : '' ?>">
+    <meta name="twitter:card" content="summary_large_image">
+    <meta name="twitter:image" content="<?php echo isset($_SERVER['PROJECT_IMAGE_URL']) ? $_SERVER['PROJECT_IMAGE_URL'] : '' ?>">
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link href="https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700&family=Inter:wght@400;500&display=swap" rel="stylesheet">
+    <link rel="stylesheet" href="assets/css/custom.css?v=<?php echo time(); ?>">
+</head>
+<body>
+
+<nav class="navbar navbar-expand-lg navbar-light bg-white shadow-sm">
+    <div class="container">
+        <a class="navbar-brand" href="/">PaperCRM</a>
+        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
+            <span class="navbar-toggler-icon"></span>
+        </button>
+        <div class="collapse navbar-collapse" id="navbarNav">
+            <ul class="navbar-nav ms-auto">
+                <li class="nav-item">
+                    <a class="nav-link" href="/">Home</a>
+                </li>
+                <li class="nav-item">
+                    <a class="nav-link" href="add_paper.php">Add Paper</a>
+                </li>
+                <li class="nav-item">
+                    <a class="nav-link" href="privacy.php">Privacy</a>
+                </li>
+            </ul>
+        </div>
+    </div>
+</nav>
+
+<div class="toast-container">
+    <!-- Toast notifications will be inserted here -->
+</div>

privacy.php

@@ -0,0 +1,9 @@
+
+<?php include 'partials/header.php'; ?>
+
+<div class="container mt-5">
+    <h1>Privacy Policy</h1>
+    <p>This is a placeholder for your privacy policy.</p>
+</div>
+
+<?php include 'partials/footer.php'; ?>

sitemap.xml

@@ -0,0 +1,16 @@
+
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+  <url>
+    <loc>/</loc>
+    <priority>1.0</priority>
+  </url>
+  <url>
+    <loc>/add_paper.php</loc>
+    <priority>0.8</priority>
+  </url>
+  <url>
+    <loc>/privacy.php</loc>
+    <priority>0.5</priority>
+  </url>
+</urlset>