Path : /home/vishqocm/pcib.in/
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Current File : //home/vishqocm///pcib.in/course-details.php

<?php
session_start();

// Set mysqli to throw exceptions
mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);

// Check if installation is complete
if (!file_exists('installed.php')) {
    header('Location: install.php');
    exit;
}

// Include database configuration
require_once 'admin/database/db_config.php';

// Check if course ID is provided
if (!isset($_GET['id']) || empty($_GET['id'])) {
    header('Location: courses.php');
    exit;
}

$course_id = mysqli_real_escape_string($conn, $_GET['id']);

// Get course details
try {
    $course_query = "SELECT c.*, 
                        (SELECT COUNT(*) FROM enrollments WHERE course_id = c.id) as student_count,
                        (SELECT AVG(rating) FROM course_reviews WHERE course_id = c.id) as avg_rating,
                        (SELECT COUNT(*) FROM course_reviews WHERE course_id = c.id) as review_count
                    FROM courses c
                    WHERE c.id = '$course_id' AND c.status = 'active'";
                    
    $course_result = mysqli_query($conn, $course_query);
    
    if (!$course_result || mysqli_num_rows($course_result) == 0) {
        header('Location: courses.php');
        exit;
    }
    
    $course = mysqli_fetch_assoc($course_result);
} catch (mysqli_sql_exception $e) {
    // If there's an error, try a simpler query without instructor details
    error_log("Error in course query: " . $e->getMessage());
    
    try {
        $simple_query = "SELECT c.*, 
                        0 as student_count,
                        0 as avg_rating,
                        0 as review_count
                    FROM courses c
                    WHERE c.id = '$course_id' AND c.status = 'active'";
                    
        $course_result = mysqli_query($conn, $simple_query);
        
        if (!$course_result || mysqli_num_rows($course_result) == 0) {
            header('Location: courses.php');
            exit;
        }
        
        $course = mysqli_fetch_assoc($course_result);
    } catch (mysqli_sql_exception $e2) {
        // If even the simple query fails, redirect to courses page
        error_log("Error in simple course query: " . $e2->getMessage());
        header('Location: courses.php?error=1');
        exit;
    }
}

// Get course reviews
$reviews_result = false;
try {
    $reviews_query = "SELECT cr.*, s.name as student_name, s.image as student_image 
                     FROM course_reviews cr
                     LEFT JOIN students s ON cr.student_id = s.id
                     WHERE cr.course_id = '$course_id'
                     ORDER BY cr.created_at DESC
                     LIMIT 5";
    $reviews_result = mysqli_query($conn, $reviews_query);
} catch (mysqli_sql_exception $e) {
    error_log("Error fetching reviews: " . $e->getMessage());
}

// Get related courses
$related_result = false;
try {
    // Prepare the category condition for the query
    $category_condition = "";
    
    if (isset($course['category'])) {
        if (strpos($course['category'], ',') !== false) {
            // Multiple categories
            $categories = explode(',', $course['category']);
            $category_conditions = [];
            
            foreach ($categories as $category) {
                $category = trim($category);
                if (!empty($category)) {
                    $escaped_category = mysqli_real_escape_string($conn, $category);
                    $category_conditions[] = "c.category LIKE '%$escaped_category%'";
                }
            }
            
            if (!empty($category_conditions)) {
                $category_condition = "(" . implode(" OR ", $category_conditions) . ")";
            }
        } else {
            // Single category
            $escaped_category = mysqli_real_escape_string($conn, $course['category']);
            $category_condition = "c.category LIKE '%$escaped_category%'";
        }
    }
    
    // Construct the query
    $related_query = "SELECT c.*, 
                        (SELECT COUNT(*) FROM enrollments WHERE course_id = c.id) as student_count,
                        (SELECT AVG(rating) FROM course_reviews WHERE course_id = c.id) as avg_rating,
                        (SELECT COUNT(*) FROM course_reviews WHERE course_id = c.id) as review_count
                    FROM courses c
                    WHERE ";
    
    // Add category condition if it exists
    if (!empty($category_condition)) {
        $related_query .= "$category_condition AND ";
    }
    
    $related_query .= "c.id != '$course_id'
                    AND c.status = 'active'
                    ORDER BY c.created_at DESC
                    LIMIT 3";
    
    $related_result = mysqli_query($conn, $related_query);
} catch (mysqli_sql_exception $e) {
    error_log("Error fetching related courses: " . $e->getMessage());
}

// Include header
include 'includes/header.php';
?>

<!-- Page Banner -->
<section class="course-banner">
    <?php
    // Check all possible image paths in order of preference
    $image_path_1 = 'assets/img/courses/' . $course['id'] . '.jpg';
    $image_path_2 = 'assets/images/courses/' . $course['id'] . '.jpg';
    $image_path_3 = $course['image']; // Use the image path stored in the database
    $image_path_4 = 'assets/img/courses/default.jpg';
    $image_path_5 = 'assets/images/course-placeholder.jpg';
    $image_path_6 = 'https://placehold.co/1200x600/4f46e5/ffffff?text=' . urlencode(substr($course['title'], 0, 20));
    
    // Check which image exists
    if (file_exists($image_path_1)) {
        $banner_image_url = $image_path_1;
    } elseif (file_exists($image_path_2)) {
        $banner_image_url = $image_path_2;
    } elseif (isset($image_path_3) && !empty($image_path_3) && file_exists($image_path_3)) {
        $banner_image_url = $image_path_3;
    } elseif (file_exists($image_path_4)) {
        $banner_image_url = $image_path_4;
    } elseif (file_exists($image_path_5)) {
        $banner_image_url = $image_path_5;
    } else {
        $banner_image_url = $image_path_6;
    }
    ?>
    <div class="course-banner-bg" style="background-image: url('<?php echo $banner_image_url; ?>')"></div>
    <div class="banner-overlay"></div>
    
    <div class="container">
        <div class="row">
            <div class="col-lg-8">
                <div class="course-banner-content">
                    <div class="course-category">
                        <?php 
                        // Handle multiple categories if they exist
                        if (isset($course['category'])) {
                            if (strpos($course['category'], ',') !== false) {
                                // Multiple categories separated by commas
                                $categories = explode(',', $course['category']);
                                foreach ($categories as $category) {
                                    $category = trim($category);
                                    if (!empty($category)) {
                                        echo '<span class="badge bg-primary me-2">' . htmlspecialchars($category) . '</span>';
                                    }
                                }
                            } else {
                                // Single category
                                echo '<span class="badge bg-primary">' . htmlspecialchars($course['category']) . '</span>';
                            }
                        } else {
                            echo '<span class="badge bg-primary">General</span>';
                        }
                        ?>
                        
                        <?php if (isset($course['level'])): ?>
                        <span class="badge bg-secondary"><?php echo htmlspecialchars($course['level']); ?></span>
                        <?php endif; ?>
                    </div>
                    
                    <h2 class="course-title"><?php echo htmlspecialchars($course['title']); ?></h2>
                    
                    <div class="course-meta-bar mb-4">
                        <div class="row align-items-center">
                            <div class="col-md-8">
                                <div class="course-meta">
                                    <?php if (isset($course['instructor_name'])): ?>
                                    <span class="meta-item">
                                        <i class="fas fa-user-tie"></i> <?php echo htmlspecialchars($course['instructor_name']); ?>
                                    </span>
                                    <?php endif; ?>
                                    
                                    <?php if (isset($course['category'])): ?>
                                    <span class="meta-item">
                                        <i class="fas fa-folder"></i> <?php echo htmlspecialchars($course['category']); ?>
                                    </span>
                                    <?php endif; ?>
                                    
                                    <span class="meta-item">
                                        <i class="fas fa-users"></i> <?php echo number_format($course['student_count']); ?> Students
                                    </span>
                                    
                                    <span class="meta-item">
                                        <i class="fas fa-globe"></i> <?php echo isset($course['language']) ? htmlspecialchars($course['language']) : 'English'; ?>
                                    </span>
                                    
                                    <?php if (isset($course['certificate']) && $course['certificate']): ?>
                                    <span class="meta-item certificate-badge">
                                        <i class="fas fa-certificate"></i> Certificate Included
                                    </span>
                                    <?php endif; ?>
                                </div>
                            </div>
                            <div class="col-md-4 text-md-end">
                                <div class="course-rating-compact">
                                    <div class="rating-stars">
                                        <?php
                                        $rating = round($course['avg_rating']);
                                        for ($i = 1; $i <= 5; $i++) {
                                            if ($i <= $rating) {
                                                echo '<i class="fas fa-star"></i>';
                                            } else {
                                                echo '<i class="far fa-star"></i>';
                                            }
                                        }
                                        ?>
                                    </div>
                                    <span class="rating-value"><?php echo number_format($course['avg_rating'], 1); ?></span>
                                    <span class="rating-count">(<?php echo $course['review_count']; ?> reviews)</span>
                                </div>
                            </div>
                        </div>
                    </div>
                    
                    <nav aria-label="breadcrumb">
                        <ol class="breadcrumb">
                            <li class="breadcrumb-item"><a href="index.php">Home</a></li>
                            <li class="breadcrumb-item"><a href="courses.php">Courses</a></li>
                            <li class="breadcrumb-item active"><?php echo htmlspecialchars($course['title']); ?></li>
                        </ol>
                    </nav>
                </div>
            </div>
            
            <div class="col-lg-4">
                <div class="course-banner-card">
                    <div class="card-image">
                        <img src="<?php echo $banner_image_url; ?>" alt="<?php echo htmlspecialchars($course['title']); ?>" class="img-fluid">
                    </div>
                    
                    <div class="card-content">
                        <div class="course-price">
                            <?php
                            if (isset($course['price'])) {
                                if ($course['price'] <= 0) {
                                    echo '<div class="free-course">Free</div>';
                                } else {
                                    if (isset($course['discount_price']) && $course['discount_price'] > 0 && $course['discount_price'] < $course['price']) {
                                        // Show discounted price as main price
                                        echo '<div class="price-wrapper">';
                                        echo '<div class="price-amount">₹' . number_format($course['discount_price'], 2) . '</div>';
                                        echo '<div class="original-price">₹' . number_format($course['price'], 2) . '</div>';
                                        echo '</div>';
                                        
                                        // Calculate discount percentage
                                        $discount_percentage = round((($course['price'] - $course['discount_price']) / $course['price']) * 100);
                                        echo '<div class="discount-badge">' . $discount_percentage . '% OFF</div>';
                                    } else {
                                        echo '<div class="price-amount">₹' . number_format($course['price'], 2) . '</div>';
                                    }
                                }
                            } else {
                                echo '<div class="free-course">Free</div>';
                            }
                            ?>
                        </div>
                        
                        <div class="card-actions">
                            <a href="enroll/enroll.php?course_id=<?php echo $course['id']; ?>" class="btn btn-primary btn-lg btn-block enroll-btn">
                                <i class="fas fa-graduation-cap me-2"></i> Enroll Now
                            </a>
                            <?php if (isset($_SESSION['user_id']) && $_SESSION['role'] === 'student'): ?>
                                <button class="btn btn-outline-primary btn-lg btn-block wishlist-btn" id="wishlistBtn" data-course-id="<?php echo $course['id']; ?>">
                                    <i class="far fa-heart me-2" id="wishlistIcon"></i> <span id="wishlistText">Add to Wishlist</span>
                            </button>
                            <?php else: ?>
                                <a href="login.php?redirect=course-details.php?id=<?php echo $course['id']; ?>" class="btn btn-outline-primary btn-lg btn-block">
                                    <i class="far fa-heart me-2"></i> Add to Wishlist
                                </a>
                            <?php endif; ?>
                        </div>
                        
                        <!-- <div class="course-includes">
                            <h4>This Course Includes:</h4>
                            <ul class="includes-list">
                                <?php if (isset($course['lessons_count'])): ?>
                                <li><i class="fas fa-play-circle"></i> <?php echo intval($course['lessons_count']); ?> lessons</li>
                                <?php else: ?>
                                <li><i class="fas fa-play-circle"></i> Full lifetime access</li>
                                <?php endif; ?>
                                <li><i class="fas fa-file-alt"></i> Downloadable resources</li>
                                <li><i class="fas fa-trophy"></i> Certificate of completion</li>
                                <li><i class="fas fa-mobile-alt"></i> Access on mobile and TV</li>
                    </ul>
                        </div> -->
                        
                        <div class="share-course">
                            <span>Share This Course:</span>
                            <div class="social-share">
                                <a href="#" class="facebook"><i class="fab fa-facebook-f"></i></a>
                                <a href="#" class="twitter"><i class="fab fa-twitter"></i></a>
                                <a href="#" class="linkedin"><i class="fab fa-linkedin-in"></i></a>
                                <a href="#" class="pinterest"><i class="fab fa-pinterest-p"></i></a>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</section>
<!-- End Page Banner -->

<style>
/* Course Banner Styles */
.course-banner {
    position: relative;
    padding: 80px 0;
    color: #fff;
    overflow: hidden;
    margin-bottom: 50px;
}

.course-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    filter: blur(0);
    transition: all 0.5s ease;
    z-index: -2;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.9) 0%, rgba(45, 55, 72, 0.85) 100%);
    z-index: -1;
}

.course-banner-content {
    padding: 30px;
    border-radius: 16px;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 30px;
}

.course-banner-content .course-category {
    margin-bottom: 20px;
}

.course-banner-content .course-category .badge {
    font-size: 0.85rem;
    padding: 0.5em 1em;
    margin-right: 10px;
    border-radius: 30px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.course-banner-content .course-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.course-banner-content .course-meta {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 25px;
    gap: 20px;
}

.course-banner-content .meta-item {
    display: flex;
    align-items: center;
    font-size: 0.95rem;
    margin-right: 25px;
}

.course-banner-content .meta-item i {
    margin-right: 8px;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

.course-banner-content .course-rating {
    display: flex;
    align-items: center;
    color: #ffc107;
    font-size: 0.95rem;
}

.course-banner-content .course-rating i {
    color: #ffc107;
    margin-right: 2px;
}

.course-banner-content .rating-text {
    color: #fff;
    margin: 0 5px;
    font-weight: 600;
}

.course-banner-content .rating-count {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
}

.course-banner-content .breadcrumb {
    background-color: rgba(255, 255, 255, 0.15);
    display: inline-flex;
    padding: 0.75rem 1rem;
    border-radius: 30px;
    margin-bottom: 0;
}

.course-banner-content .breadcrumb-item {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
}

.course-banner-content .breadcrumb-item a {
    color: #fff;
    text-decoration: none;
}

.course-banner-content .breadcrumb-item.active {
    color: rgba(255, 255, 255, 0.7);
}

.course-banner-content .breadcrumb-item+.breadcrumb-item::before {
    color: rgba(255, 255, 255, 0.7);
}

/* Course Banner Card */
.course-banner-card {
    background-color: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.course-banner-card .card-image {
    height: 200px;
    overflow: hidden;
}

.course-banner-card .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.course-banner-card:hover .card-image img {
    transform: scale(1.05);
}

.course-banner-card .card-content {
    padding: 25px;
}

.course-banner-card .course-price {
    margin-bottom: 20px;
    text-align: center;
    background: linear-gradient(135deg, #4e73df 0%, #224abe 100%);
    color: #fff;
    padding: 20px;
    position: relative;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.course-banner-card .price-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.course-banner-card .original-price {
    text-decoration: line-through;
    color: rgba(255, 255, 255, 0.8);
    margin-right: 0;
    font-size: 18px;
    opacity: 0.8;
}

.course-banner-card .price-amount {
    color: #fff;
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.course-banner-card .free-course {
    color: #fff;
    font-size: 28px;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.course-banner-card .discount-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #ff5722;
    color: white;
    font-weight: 600;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 14px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.course-banner-card .card-actions {
    margin-bottom: 25px;
}

.course-banner-card .btn {
    margin-bottom: 10px;
    font-weight: 600;
    padding: 0.8rem 1.5rem;
}

.course-banner-card .enroll-btn {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    width: 100%;
}

.course-banner-card .wishlist-btn {
    width: 100%;
}

.course-banner-card .course-includes {
    margin-bottom: 25px;
    border-top: 1px solid #eee;
    padding-top: 20px;
}

.course-banner-card .course-includes h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.course-banner-card .includes-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.course-banner-card .includes-list li {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    color: #555;
    font-size: 0.95rem;
}

.course-banner-card .includes-list li i {
    margin-right: 10px;
    color: var(--primary-color);
    font-size: 1rem;
}

.course-banner-card .share-course {
    border-top: 1px solid #eee;
    padding-top: 20px;
    text-align: center;
}

.course-banner-card .share-course span {
    display: block;
    margin-bottom: 10px;
    font-size: 0.95rem;
    color: #555;
}

.course-banner-card .social-share {
    display: flex;
    justify-content: center;
}

.course-banner-card .social-share a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    margin: 0 5px;
    color: #fff;
    transition: all 0.3s ease;
}

.course-banner-card .social-share a.facebook {
    background-color: #3b5998;
}

.course-banner-card .social-share a.twitter {
    background-color: #1da1f2;
}

.course-banner-card .social-share a.linkedin {
    background-color: #0077b5;
}

.course-banner-card .social-share a.pinterest {
    background-color: #bd081c;
}

.course-banner-card .social-share a:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Responsive styles */
@media (max-width: 992px) {
    .course-banner-content .course-title {
        font-size: 2rem;
    }
    
    .course-banner-content .meta-item {
        margin-right: 15px;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .course-banner {
        padding: 60px 0;
    }
    
    .course-banner-content .course-title {
        font-size: 1.75rem;
    }
    
    .course-banner-content .meta-item {
        margin-right: 10px;
        margin-bottom: 10px;
    }
    
    .course-banner-card {
        margin-top: 30px;
    }
}

@media (max-width: 576px) {
    .course-banner-content {
        padding: 20px;
    }
    
    .course-banner-content .course-title {
        font-size: 1.5rem;
    }
    
    .course-banner-content .course-meta {
        flex-direction: column;
        gap: 10px;
    }
    
    .course-banner-content .meta-item {
        margin-right: 0;
    }
}
</style>

<!-- Course Details Section -->
<section class="course-details-section section-padding">
    <div class="container" style="margin-top: 0px;">
        <div class="row">
            <div class="col-lg-8">
                <!-- Course Main Content -->
                <div class="course-main-content">
                    <div class="course-main-image">
                        <?php
                        // Get course image with fallback
                        $main_image_path = 'assets/images/courses/' . $course['id'] . '-detail.jpg';
                        $main_image_url = file_exists($main_image_path) ? $main_image_path : $banner_image_url;
                        ?>
                        <img src="<?php echo $main_image_url; ?>" alt="<?php echo htmlspecialchars($course['title']); ?>" class="img-fluid rounded">
                        <?php if (isset($course['video_preview']) && !empty($course['video_preview'])): ?>
                        <a href="<?php echo htmlspecialchars($course['video_preview']); ?>" class="video-play-btn" data-fancybox>
                            <i class="fas fa-play"></i>
                        </a>
                        <?php endif; ?>
                    </div>
                    
                    <div class="course-tabs">
                        <ul class="nav nav-pills" id="pills-tab" role="tablist">
                            <li class="nav-item" role="presentation">
                                <button class="nav-link active" id="pills-overview-tab" data-bs-toggle="pill" data-bs-target="#pills-overview" type="button" role="tab" aria-controls="pills-overview" aria-selected="true">Overview</button>
                            </li>
                            <li class="nav-item" role="presentation">
                                <button class="nav-link" id="pills-reviews-tab" data-bs-toggle="pill" data-bs-target="#pills-reviews" type="button" role="tab" aria-controls="pills-reviews" aria-selected="false">Reviews</button>
                            </li>
                        </ul>
                        
                        <div class="tab-content" id="pills-tabContent">
                            <!-- Overview Tab -->
                            <div class="tab-pane fade show active" id="pills-overview" role="tabpanel" aria-labelledby="pills-overview-tab">
                                <div class="course-overview">
                                    <!-- Description -->
                                    <div class="course-description">
                                        <h4 class="section-title">Course Description</h4>
                                            <?php 
                                        // Check if description exists, if not use short_description or a placeholder
                                        if (!empty($course['description'])) {
                                            echo nl2br(htmlspecialchars($course['description']));
                                        } elseif (!empty($course['short_description'])) {
                                            echo nl2br(htmlspecialchars($course['short_description']));
                                        } else {
                                            echo "<p>No description available for this course.</p>";
                                        }
                                            ?>
                                        </div>
                                    
                                    <!-- What You'll Learn Section -->
                                    <?php if (!empty($course['what_youll_learn'])): ?>
                                    <div class="what-youll-learn mt-4">
                                        <h4 class="section-title">What You'll Learn</h4>
                                        <div class="learn-items">
                                        <div class="row">
                                            <?php
                                                $learn_items = explode("\n", $course['what_youll_learn']);
                                                foreach ($learn_items as $item):
                                                    $item = trim($item);
                                                    if (empty($item)) continue;
                                            ?>
                                            <div class="col-md-6">
                                                    <div class="learn-item">
                                                    <i class="fas fa-check-circle"></i>
                                                        <span><?php echo htmlspecialchars($item); ?></span>
                                    </div>
                                            </div>
                                                <?php endforeach; ?>
                                            </div>
                                        </div>
                                    </div>
                                    <?php endif; ?>
                                    
                                    <!-- Requirements Section -->
                                    <?php if (!empty($course['requirements'])): ?>
                                    <div class="requirements mt-4">
                                        <h4 class="section-title">Requirements</h4>
                                        <ul class="requirements-list">
                                            <?php
                                            $req_items = explode("\n", $course['requirements']);
                                            foreach ($req_items as $item):
                                                $item = trim($item);
                                                if (empty($item)) continue;
                                            ?>
                                            <li><i class="fas fa-circle"></i> <?php echo htmlspecialchars($item); ?></li>
                                            <?php endforeach; ?>
                                        </ul>
                                    </div>
                                    <?php endif; ?>
                                </div>
                            </div>
                            
                            <!-- Reviews Tab -->
                            <div class="tab-pane fade" id="pills-reviews" role="tabpanel" aria-labelledby="pills-reviews-tab">
                                <!-- Reviews Content -->
                                <div class="course-reviews">
                                    <h4 class="section-title">Student Reviews</h4>
                                    
                                    <div class="reviews-summary mb-4">
                                        <div class="row align-items-center">
                                            <div class="col-md-4 text-center">
                                                <div class="review-rating-box">
                                                    <div class="average-rating"><?php echo number_format($course['avg_rating'], 1); ?></div>
                                                    <div class="stars">
                                                        <?php
                                                        $avg_rating = floatval($course['avg_rating']);
                                                        for ($i = 1; $i <= 5; $i++) {
                                                            if ($i <= $avg_rating) {
                                                                echo '<i class="fas fa-star"></i>'; // Full star
                                                            } elseif ($i - 0.5 <= $avg_rating) {
                                                                echo '<i class="fas fa-star-half-alt"></i>'; // Half star
                                                            } else {
                                                                echo '<i class="far fa-star"></i>'; // Empty star
                                                            }
                                                        }
                                                        ?>
                                                    </div>
                                                    <div class="total-reviews">Based on <?php echo (int)$course['review_count']; ?> reviews</div>
                                                </div>
                                            </div>
                                            <div class="col-md-8">
                                                <div class="rating-bars">
                                                    <?php
                                                    // Rating distribution (placeholder)
                                                    $ratings_distribution = [
                                                        5 => 70,
                                                        4 => 20,
                                                        3 => 5,
                                                        2 => 3,
                                                        1 => 2
                                                    ];
                                                    
                                                    for ($i = 5; $i >= 1; $i--):
                                                        ?>
                                                        <div class="rating-bar-item">
                                                        <div class="rating-label"><?php echo $i; ?> stars</div>
                                                            <div class="progress">
                                                            <div class="progress-bar" role="progressbar" style="width: <?php echo $ratings_distribution[$i]; ?>%" aria-valuenow="<?php echo $ratings_distribution[$i]; ?>" aria-valuemin="0" aria-valuemax="100"></div>
                                                            </div>
                                                        <div class="rating-percent"><?php echo $ratings_distribution[$i]; ?>%</div>
                                                        </div>
                                                    <?php endfor; ?>
                                                </div>
                                            </div>
                                        </div>
                                    </div>
                                    
                                    <!-- Reviews List -->
                                    <div class="reviews-list mt-4">
                                        <?php if (isset($reviews_result) && $reviews_result && mysqli_num_rows($reviews_result) > 0): ?>
                                            <?php while ($review = mysqli_fetch_assoc($reviews_result)): ?>
                                                <div class="review-card">
                                                    <div class="review-header">
                                                        <div class="reviewer">
                                                            <div class="reviewer-avatar">
                                                                <?php
                                                                $avatar = isset($review['student_image']) && !empty($review['student_image']) 
                                                                    ? $review['student_image'] 
                                                                    : 'https://ui-avatars.com/api/?name=' . urlencode($review['student_name'] ?? 'Student') . '&background=4e73df&color=fff';
                                                                ?>
                                                                <img src="<?php echo $avatar; ?>" alt="Reviewer">
                                                            </div>
                                                            <div class="reviewer-info">
                                                                <h5 class="reviewer-name"><?php echo htmlspecialchars($review['student_name'] ?? 'Anonymous Student'); ?></h5>
                                                            <div class="review-date"><?php echo date('M d, Y', strtotime($review['created_at'])); ?></div>
                                                        </div>
                                                    </div>
                                                    <div class="review-rating">
                                                        <?php
                                                        for ($i = 1; $i <= 5; $i++) {
                                                            if ($i <= $review['rating']) {
                                                                echo '<i class="fas fa-star"></i>';
                                                            } else {
                                                                echo '<i class="far fa-star"></i>';
                                                            }
                                                        }
                                                        ?>
                                                        </div>
                                                    </div>
                                                    <div class="review-content">
                                                        <?php echo nl2br(htmlspecialchars($review['review'])); ?>
                                                    </div>
                                                </div>
                                            <?php endwhile; ?>
                                        <?php else: ?>
                                            <div class="no-reviews">
                                                <div class="no-reviews-icon">
                                                    <i class="far fa-comment-dots"></i>
                                                </div>
                                                <h5>No Reviews Yet</h5>
                                                <p>Be the first to review this course!</p>
                                            </div>
                                        <?php endif; ?>
                                    </div>
                                    
                                    <!-- Review Form - Show only to enrolled students -->
                                    <?php if (isset($_SESSION['user_id']) && isset($_SESSION['is_enrolled']) && $_SESSION['is_enrolled']): ?>
                                    <div class="review-form-container mt-5">
                                        <h4 class="section-title">Write a Review</h4>
                                        <form action="submit-review.php" method="POST" class="review-form">
                                            <input type="hidden" name="course_id" value="<?php echo $course_id; ?>">
                                            <div class="form-group mb-3">
                                                <label>Your Rating</label>
                                                <div class="rating-select">
                                                    <div class="rate">
                                                        <input type="radio" id="star5" name="rating" value="5" required />
                                                        <label for="star5" title="5 stars">5 stars</label>
                                                        <input type="radio" id="star4" name="rating" value="4" />
                                                        <label for="star4" title="4 stars">4 stars</label>
                                                        <input type="radio" id="star3" name="rating" value="3" />
                                                        <label for="star3" title="3 stars">3 stars</label>
                                                        <input type="radio" id="star2" name="rating" value="2" />
                                                        <label for="star2" title="2 stars">2 stars</label>
                                                        <input type="radio" id="star1" name="rating" value="1" />
                                                        <label for="star1" title="1 star">1 star</label>
                                </div>
                            </div>
                        </div>
                                            <div class="form-group mb-3">
                                                <label for="review">Your Review</label>
                                                <textarea class="form-control" id="review" name="review" rows="5" placeholder="Share your experience with this course..." required></textarea>
                    </div>
                                            <button type="submit" class="btn btn-primary">Submit Review</button>
                                        </form>
                                    </div>
                                    <?php endif; ?>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            
            <div class="col-lg-4">
                <!-- Course Sidebar -->
                <div class="course-sidebar">
                    <!-- Course Card -->
                    <div class="course-card">
                            <div class="course-price">
                             <?php
                             if (isset($course['price'])) {
                                 if ($course['price'] <= 0) {
                                     echo '<div class="free-course">Free</div>';
                                 } else {
                                     if (isset($course['discount_price']) && $course['discount_price'] > 0 && $course['discount_price'] < $course['price']) {
                                         // Show discounted price as main price
                                         echo '<div class="price-wrapper">';
                                         echo '<div class="price-amount">₹' . number_format($course['discount_price'], 2) . '</div>';
                                         echo '<div class="original-price">₹' . number_format($course['price'], 2) . '</div>';
                                         echo '</div>';
                                         
                                         // Calculate discount percentage
                                         $discount_percentage = round((($course['price'] - $course['discount_price']) / $course['price']) * 100);
                                         echo '<div class="discount-badge">' . $discount_percentage . '% OFF</div>';
                                     } else {
                                         echo '<div class="price-amount">₹' . number_format($course['price'], 2) . '</div>';
                                     }
                                 }
                             } else {
                                 echo '<div class="free-course">Free</div>';
                             }
                             ?>
                        </div>
                        
                        <div class="course-info-list">
                            <div class="info-item">
                                <div class="info-icon">
                                    <i class="fas fa-user-graduate"></i>
                            </div>
                                <div class="info-text">
                                    <span class="info-label">Students</span>
                                    <span class="info-value"><?php echo isset($course['student_count']) ? number_format($course['student_count']) : '0'; ?></span>
                                </div>
                            </div>
                            
                            <div class="info-item">
                                <div class="info-icon">
                                    <i class="fas fa-clock"></i>
                                </div>
                                <div class="info-text">
                                    <span class="info-label">Duration</span>
                                    <span class="info-value"><?php 
                                    if (isset($course['duration'])) {
                                        $duration = $course['duration'];
                                        // If duration contains "months" text, extract the number
                                        if (strpos($duration, 'months') !== false) {
                                            $duration = str_replace(' months', '', $duration);
                                            echo $duration . ' months';
                                        } else {
                                            echo htmlspecialchars($duration);
                                        }
                                    } else {
                                        echo 'Self-paced';
                                    }
                                    ?></span>
                                </div>
                        </div>
                        
                            <div class="info-item">
                                <div class="info-icon">
                                    <i class="fas fa-signal"></i>
                        </div>
                                <div class="info-text">
                                    <span class="info-label">Level</span>
                                    <span class="info-value"><?php echo isset($course['level']) ? ucfirst(htmlspecialchars($course['level'])) : 'All Levels'; ?></span>
                        </div>
                    </div>
                    
                            <div class="info-item">
                                <div class="info-icon">
                                    <i class="fas fa-globe"></i>
                                </div>
                                <div class="info-text">
                                    <span class="info-label">Language</span>
                                    <span class="info-value"><?php echo isset($course['language']) ? htmlspecialchars($course['language']) : 'English'; ?></span>
                                </div>
                                </div>
                            
                            <div class="info-item">
                                <div class="info-icon">
                                    <i class="fas fa-book"></i>
                                </div>
                                <div class="info-text">
                                    <span class="info-label">Lessons</span>
                                    <span class="info-value"><?php echo isset($course['lessons_count']) && $course['lessons_count'] > 0 ? (int)$course['lessons_count'] : '0'; ?></span>
                                </div>
                                </div>
                            
                            <?php if (isset($course['certificate']) && $course['certificate']): ?>
                            <div class="info-item">
                                <div class="info-icon">
                                    <i class="fas fa-certificate"></i>
                                </div>
                                <div class="info-text">
                                    <span class="info-label">Certificate</span>
                                    <span class="info-value">Yes</span>
                                </div>
                                </div>
                            <?php else: ?>
                            <div class="info-item">
                                <div class="info-icon">
                                    <i class="fas fa-certificate"></i>
                                </div>
                                <div class="info-text">
                                    <span class="info-label">Certificate</span>
                                    <span class="info-value">No</span>
                        </div>
                    </div>
                    <?php endif; ?>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        
        
    </div>
</section>
<!-- End Course Details Section -->

<!-- CTA Section -->
<section class="cta-section-new">
    <div class="container">
        <div class="cta-wrapper">
            <div class="cta-content-wrapper">
                <div class="cta-icon">
                    <i class="fas fa-rocket"></i>
                </div>
                <div class="cta-text">
                    <h2>Ready to Start Your Learning Journey?</h2>
                    <p>Enroll in our courses today and take the first step towards a successful career in the tech industry.</p>
                    <div class="cta-offer">
                        <span class="offer-text">Limited Time Offer!</span>
                        <div class="countdown" id="offer-countdown">
                            <div class="countdown-item">
                                <span class="countdown-number" id="countdown-hours">24</span>
                                <span class="countdown-label">Hours</span>
                            </div>
                            <div class="countdown-item">
                                <span class="countdown-number" id="countdown-minutes">00</span>
                                <span class="countdown-label">Minutes</span>
                            </div>
                            <div class="countdown-item">
                                <span class="countdown-number" id="countdown-seconds">00</span>
                                <span class="countdown-label">Seconds</span>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="cta-buttons">
                    <a href="enroll.php?course_id=<?php echo $course['id']; ?>" class="btn btn-primary btn-enroll">
                        <i class="fas fa-graduation-cap me-2"></i>Enroll Now
                    </a>
                    <a href="contact.php" class="btn btn-outline-light btn-contact">
                        <i class="fas fa-envelope me-2"></i>Contact Us
                    </a>
                </div>
            </div>
        </div>
    </div>
</section>

<!-- Additional CSS for Course Details Section -->
<style>
/* CTA Section Styles */
.cta-section-new {
    position: relative;
    padding: 60px 0;
    margin: 50px 0;
    background: linear-gradient(135deg, #4e73df 0%, #224abe 100%);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.cta-section-new::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;charset=utf8,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"%3E%3Cpath fill="%23ffffff" fill-opacity="0.1" d="M0,192L48,197.3C96,203,192,213,288,202.7C384,192,480,160,576,165.3C672,171,768,213,864,213.3C960,213,1056,171,1152,149.3C1248,128,1344,128,1392,128L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"%3E%3C/path%3E%3C/svg%3E');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
}

.cta-wrapper {
    position: relative;
    z-index: 1;
    padding: 20px;
}

.cta-content-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-icon {
    font-size: 48px;
    color: #fff;
    margin-bottom: 20px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

.cta-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 15px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.cta-text p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
}

.cta-offer {
    background-color: rgba(255, 255, 255, 0.15);
    padding: 20px 30px;
    border-radius: 12px;
    margin-bottom: 30px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.offer-text {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 10px;
}

.countdown {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.countdown-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: #fff;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    padding: 5px 10px;
    min-width: 60px;
    text-align: center;
}

.countdown-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 5px;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.btn-enroll {
    background-color: #fff;
    color: #4e73df;
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 50px;
    transition: all 0.3s ease;
    border: 2px solid #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.btn-enroll:hover {
    background-color: #f8f9fc;
    color: #224abe;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.btn-contact {
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.7);
}

.btn-contact:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: #fff;
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    .cta-section-new {
        padding: 40px 0;
        margin: 30px 0;
    }
    
    .cta-text h2 {
        font-size: 2rem;
    }
    
    .cta-text p {
        font-size: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-enroll, .btn-contact {
        width: 100%;
    }
}

/* Course details section styles */
.course-details-section {
    padding: 0 0 80px;
}

.course-main-content {
    background-color: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 30px;
}

.course-main-image {
    position: relative;
    height: 400px;
    overflow: hidden;
}

.course-main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 2rem;
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    z-index: 2;
}

.video-play-btn:hover {
    background-color: var(--primary-color);
    color: #fff;
    transform: translate(-50%, -50%) scale(1.1);
}

.course-tabs {
    padding: 30px;
}

.nav-tabs {
    border-bottom: 2px solid #f1f1f1;
    margin-bottom: 25px;
}

.nav-tabs .nav-item {
    margin-right: 10px;
}

.nav-tabs .nav-link {
    border: none;
    color: #666;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 0;
    position: relative;
    transition: all 0.3s ease;
}

.nav-tabs .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
}

.nav-tabs .nav-link:hover,
.nav-tabs .nav-link.active {
    color: var(--primary-color);
    background-color: transparent;
    border: none;
}

.nav-tabs .nav-link.active::after {
    width: 100%;
}

.tab-content {
    padding-top: 10px;
}

.course-overview h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #333;
}

.course-overview h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #444;
}

.course-description {
    font-size: 1rem;
    line-height: 1.7;
    color: #555;
    margin-bottom: 25px;
}

.course-tags {
    margin-bottom: 25px;
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
}

.badge {
    font-weight: 500;
    font-size: 0.85rem;
}

.course-features {
    margin-bottom: 25px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
}

.feature-item i {
    color: var(--success-color);
    font-size: 1.1rem;
    margin-right: 10px;
    margin-top: 3px;
}

.requirements-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.requirements-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 10px;
}

.requirements-list li i {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-right: 10px;
    margin-top: 3px;
}

/* Curriculum styles */
.curriculum-accordion {
    margin-bottom: 30px;
}

.curriculum-card {
    border: 1px solid #eee;
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}

.curriculum-header {
    padding: 15px 20px;
    background-color: #f9fafb;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.curriculum-header h5 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
}

.curriculum-header span {
    color: #666;
    font-size: 0.9rem;
}

.curriculum-content {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.curriculum-content.active {
    max-height: 1000px;
    padding: 15px 20px;
    border-top: 1px solid #eee;
}

.lesson-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #f1f1f1;
}

.lesson-item:last-child {
    border-bottom: none;
}

.lesson-title {
    display: flex;
    align-items: center;
}

.lesson-title i {
    margin-right: 10px;
    color: var(--primary-color);
    font-size: 0.9rem;
}

.lesson-meta {
    display: flex;
    align-items: center;
    font-size: 0.85rem;
    color: #666;
}

.lesson-meta span {
    margin-left: 15px;
}

.lesson-meta i {
    margin-right: 5px;
}

/* Instructor styles */
.instructor-profile {
    display: flex;
    margin-bottom: 30px;
}

.instructor-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 30px;
    flex-shrink: 0;
}

.instructor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.instructor-info h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #333;
}

.instructor-expertise {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 1rem;
}

.instructor-bio {
    font-size: 1rem;
    line-height: 1.7;
    color: #555;
    margin-bottom: 20px;
}

.instructor-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    margin-right: 10px;
    color: #fff;
    transition: all 0.3s ease;
    text-decoration: none;
}

.instructor-social a:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.social-facebook {
    background-color: #3b5998;
}

.social-twitter {
    background-color: #1da1f2;
}

.social-linkedin {
    background-color: #0077b5;
}

.social-youtube {
    background-color: #ff0000;
}

/* Reviews styles */
.course-reviews {
    margin-bottom: 30px;
}

.review-item {
    display: flex;
    padding: 20px 0;
    border-bottom: 1px solid #eee;
}

.review-item:last-child {
    border-bottom: none;
}

.review-author {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 20px;
    flex-shrink: 0;
}

.review-author img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.review-content {
    flex-grow: 1;
}

.review-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.review-name {
    font-weight: 600;
    color: #333;
}

.review-date {
    font-size: 0.85rem;
    color: #999;
}

.review-rating {
    margin-bottom: 10px;
}

.review-rating i {
    color: #ffc107;
    font-size: 0.9rem;
    margin-right: 2px;
}

.review-text {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #555;
}

.review-form {
    background-color: #f9fafb;
    padding: 25px;
    border-radius: 8px;
    margin-top: 30px;
}

.review-form h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #333;
}

.rating-selector {
    margin-bottom: 15px;
}

.rating-selector span {
    font-size: 1.5rem;
    color: #ddd;
    cursor: pointer;
    transition: color 0.3s ease;
    margin-right: 5px;
}

.rating-selector span.active,
.rating-selector span:hover {
    color: #ffc107;
}

/* Media queries */
@media (max-width: 992px) {
    .course-main-image {
        height: 350px;
    }
    
    .instructor-profile {
        flex-direction: column;
    }
    
    .instructor-image {
        margin-right: 0;
        margin-bottom: 20px;
    }
}

@media (max-width: 768px) {
    .course-main-image {
        height: 300px;
    }
    
    .nav-tabs .nav-item {
        margin-right: 5px;
    }
    
    .nav-tabs .nav-link {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
    
    .video-play-btn {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

@media (max-width: 576px) {
    .course-main-image {
        height: 250px;
    }
    
    .course-tabs {
        padding: 20px;
    }
    
    .nav-tabs {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }
    
    .nav-tabs .nav-link {
        padding: 8px 12px;
        font-size: 0.85rem;
    }
    
    .review-item {
        flex-direction: column;
    }
    
    .review-author {
        margin-right: 0;
        margin-bottom: 15px;
    }
}
</style>

<style>
/* Updated Course Sidebar Styling */
.course-card {
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    background: #fff;
    margin-bottom: 30px;
}

.course-price {
    background: linear-gradient(135deg, #4e73df 0%, #224abe 100%);
    color: #fff;
    padding: 20px;
    text-align: center;
    position: relative;
}

.price-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.price-amount {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 5px;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.original-price {
    font-size: 18px;
    text-decoration: line-through;
    opacity: 0.8;
    margin-bottom: 5px;
    color: rgba(255, 255, 255, 0.8);
}

.discount-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #ff5722;
    color: white;
    font-weight: 600;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 14px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.free-course {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.course-info-list {
    padding: 20px;
}

.course-info-list .info-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.course-info-list .info-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.course-info-list .info-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(78, 115, 223, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: #4e73df;
    font-size: 18px;
}

.course-info-list .info-text {
    flex: 1;
}

.course-info-list .info-label {
    display: block;
    font-size: 13px;
    color: #6c757d;
    margin-bottom: 3px;
}

.course-info-list .info-value {
    font-weight: 600;
    color: #343a40;
    font-size: 16px;
}

/* Make the certificate info stand out */
.course-info-list .info-item:has(.fa-certificate) .info-icon {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.course-info-list .info-item:has(.fa-certificate) .info-value {
    color: #10b981;
    font-weight: 700;
}
</style>

<style>
/* Course Meta Bar Styles */
.course-meta-bar {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    margin-bottom: 30px;
}

.course-meta .meta-item {
    display: inline-flex;
    align-items: center;
    margin-right: 20px;
    color: #6c757d;
    font-size: 0.95rem;
}

.course-meta .meta-item i {
    margin-right: 5px;
    color: var(--primary-color);
}

.meta-item.certificate-badge {
    background-color: #28a745;
    color: white;
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
}

.meta-item.certificate-badge i {
    color: #fff;
    margin-right: 4px;
}

.course-rating-compact {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.course-rating-compact .rating-stars {
    color: #ffc107;
    margin-right: 5px;
}

.course-rating-compact .rating-value {
    font-weight: 700;
    font-size: 1.1rem;
    margin-right: 3px;
}

.course-rating-compact .rating-count {
    color: #6c757d;
    font-size: 0.9rem;
}

@media (max-width: 767.98px) {
    .course-meta-bar .col-md-4 {
        text-align: left !important;
        margin-top: 15px;
    }
    
    .course-rating-compact {
        justify-content: flex-start;
    }
}
</style>

<style>
/* Additional styles for related courses pricing */
.course-card-footer .course-price {
    margin-left: auto;
}

.course-card-footer .price-tag {
    background-color: #4e73df;
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    font-weight: 600;
    font-size: 14px;
    display: inline-block;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.course-card-footer .price-tag.discount {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #4e73df;
    padding: 5px 8px;
}

.course-card-footer .price-tag .current-price {
    font-weight: 700;
    font-size: 14px;
}

.course-card-footer .price-tag .old-price {
    font-size: 12px;
    text-decoration: line-through;
    opacity: 0.8;
}

.course-card-footer .price-tag.free {
    background-color: #10b981;
}
</style>

<?php
// Include footer
include 'includes/footer.php';
?> 

<!-- Add this JavaScript at the end of the file before the closing </body> tag -->
<?php if (isset($_SESSION['user_id']) && $_SESSION['role'] === 'student'): ?>
<script>
$(document).ready(function() {
    const courseId = <?php echo $course['id']; ?>;
    const wishlistBtn = $('#wishlistBtn');
    const wishlistIcon = $('#wishlistIcon');
    const wishlistText = $('#wishlistText');
    
    // Check if course is in wishlist
    $.ajax({
        url: 'student/wishlist_process.php',
        type: 'POST',
        data: {
            action: 'check',
            course_id: courseId
        },
        dataType: 'json',
        success: function(response) {
            if (response.success && response.inWishlist) {
                wishlistIcon.removeClass('far').addClass('fas');
                wishlistText.text('Remove from Wishlist');
                wishlistBtn.data('in-wishlist', true);
            } else {
                wishlistIcon.removeClass('fas').addClass('far');
                wishlistText.text('Add to Wishlist');
                wishlistBtn.data('in-wishlist', false);
            }
        }
    });
    
    // Toggle wishlist
    wishlistBtn.on('click', function() {
        const inWishlist = $(this).data('in-wishlist');
        const action = inWishlist ? 'remove' : 'add';
        
        $.ajax({
            url: 'student/wishlist_process.php',
            type: 'POST',
            data: {
                action: action,
                course_id: courseId
            },
            dataType: 'json',
            success: function(response) {
                if (response.success) {
                    if (response.inWishlist) {
                        wishlistIcon.removeClass('far').addClass('fas');
                        wishlistText.text('Remove from Wishlist');
                        wishlistBtn.data('in-wishlist', true);
                    } else {
                        wishlistIcon.removeClass('fas').addClass('far');
                        wishlistText.text('Add to Wishlist');
                        wishlistBtn.data('in-wishlist', false);
                    }
                    
                    // Show notification
                    alert(response.message);
                } else {
                    alert('Error: ' + response.message);
                }
            },
            error: function() {
                alert('An error occurred. Please try again.');
            }
        });
    });
});
</script>
<?php endif; ?>

<!-- Countdown Timer JavaScript -->
<script>
    document.addEventListener('DOMContentLoaded', function() {
        // Set the countdown time to 24 hours from now
        let countDownDate = new Date();
        countDownDate.setHours(countDownDate.getHours() + 24);
        
        // Update the countdown every 1 second
        let countdownTimer = setInterval(function() {
            // Get current time
            let now = new Date().getTime();
            
            // Find the distance between now and the countdown date
            let distance = countDownDate - now;
            
            // Time calculations for hours, minutes and seconds
            let hours = Math.floor((distance % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
            let minutes = Math.floor((distance % (1000 * 60 * 60)) / (1000 * 60));
            let seconds = Math.floor((distance % (1000 * 60)) / 1000);
            
            // Display the result
            document.getElementById("countdown-hours").textContent = hours < 10 ? "0" + hours : hours;
            document.getElementById("countdown-minutes").textContent = minutes < 10 ? "0" + minutes : minutes;
            document.getElementById("countdown-seconds").textContent = seconds < 10 ? "0" + seconds : seconds;
            
            // If the countdown is finished, clear the interval
            if (distance < 0) {
                clearInterval(countdownTimer);
                document.getElementById("offer-countdown").innerHTML = "EXPIRED";
            }
        }, 1000);
    });
</script>