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<?php
// Make sure safe_query function is available
if (!function_exists('safe_query')) {
    function safe_query($connection, $query) {
        if ($connection instanceof mysqli && !$connection->connect_error) {
            return $connection->query($query);
        }
        return false;
    }
}

// Get site settings from database
$site_settings_query = "SELECT * FROM site_settings";
$site_settings_result = safe_query($conn, $site_settings_query);
$site_settings = [];

if ($site_settings_result && $site_settings_result->num_rows > 0) {
    while ($row = $site_settings_result->fetch_assoc()) {
        $site_settings[$row['setting_key']] = $row['setting_value'];
    }
}

// Set default values if settings not found
$site_name = isset($site_settings['site_name']) ? $site_settings['site_name'] : 'Popular Computer Institute';
$site_tagline = isset($site_settings['site_tagline']) ? $site_settings['site_tagline'] : 'Computer Education Institute';
$site_logo = isset($site_settings['site_logo']) ? $site_settings['site_logo'] : 'assets/img/logo.png';
$primary_color = isset($site_settings['primary_color']) ? $site_settings['primary_color'] : '#4e73df';
$secondary_color = isset($site_settings['secondary_color']) ? $site_settings['secondary_color'] : '#2e59d9';
$navbar_style = isset($site_settings['navbar_style']) ? $site_settings['navbar_style'] : 'light';
$navbar_position = isset($site_settings['navbar_position']) ? $site_settings['navbar_position'] : 'fixed-top';
$enable_animations = isset($site_settings['enable_animations']) ? $site_settings['enable_animations'] : 'true';
$show_sitename_desktop = isset($site_settings['show_sitename_desktop']) ? $site_settings['show_sitename_desktop'] : 'true';
$show_sitename_mobile = isset($site_settings['show_sitename_mobile']) ? $site_settings['show_sitename_mobile'] : 'false';
$show_logo_desktop = isset($site_settings['show_logo_desktop']) ? $site_settings['show_logo_desktop'] : 'true';
$show_logo_mobile = isset($site_settings['show_logo_mobile']) ? $site_settings['show_logo_mobile'] : 'true';

// Check if user is logged in
$is_logged_in = isset($_SESSION['student_id']) || isset($_SESSION['user_id']) || isset($_SESSION['admin_id']) ? true : false;

// Get user data from database if logged in
$user_name = '';
$user_email = '';
$user_avatar = '';
$user_role = '';

if ($is_logged_in) {
    // Determine user type and ID
    $user_id = '';
    $user_table = '';
    
    if (isset($_SESSION['admin_id'])) {
        $user_id = $_SESSION['admin_id'];
        $user_table = 'admin_users';
        $user_role = 'admin';
    } elseif (isset($_SESSION['student_id'])) {
        $user_id = $_SESSION['student_id'];
        $user_table = 'students';
        $user_role = 'student';
    } elseif (isset($_SESSION['user_id'])) {
        $user_id = $_SESSION['user_id'];
        $user_table = 'users';
        $user_role = $_SESSION['role'] ?? 'user';
    }
    
    // Fetch user data from database
    if (!empty($user_id) && !empty($user_table)) {
        if ($user_table == 'users') {
            // First check if the profile_image column exists
            $column_check = $conn->query("SHOW COLUMNS FROM users LIKE 'profile_image'");
            $has_profile_image = ($column_check && $column_check->num_rows > 0);
            
            // For regular users, use prepared statement with proper column names
            if ($has_profile_image) {
                $stmt = $conn->prepare("SELECT username, email, profile_image, role FROM users WHERE id = ?");
            } else {
                $stmt = $conn->prepare("SELECT username, email, role FROM users WHERE id = ?");
            }
            
            $stmt->bind_param("i", $user_id);
            $stmt->execute();
            $result = $stmt->get_result();
            
            if ($result && $result->num_rows > 0) {
                $user_data = $result->fetch_assoc();
                $user_name = $user_data['username'] ?? '';
                $user_email = $user_data['email'] ?? '';
                $user_avatar = ($has_profile_image && !empty($user_data['profile_image'])) ? $user_data['profile_image'] : '';
                $user_role = $user_data['role'] ?? 'user';
            }
            $stmt->close();
        } else {
            // For other user types (legacy code)
        $user_query = "SELECT * FROM $user_table WHERE id = '$user_id'";
        $user_result = safe_query($conn, $user_query);
        
        if ($user_result && $user_result->num_rows > 0) {
            $user_data = $user_result->fetch_assoc();
            
            // Set user name based on user type
            if ($user_role === 'admin') {
                $user_name = isset($user_data['name']) ? $user_data['name'] : (isset($user_data['admin_name']) ? $user_data['admin_name'] : '');
            } elseif ($user_role === 'student') {
                $user_name = isset($user_data['name']) ? $user_data['name'] : (isset($user_data['student_name']) ? $user_data['student_name'] : '');
            } else {
                $user_name = isset($user_data['name']) ? $user_data['name'] : (isset($user_data['username']) ? $user_data['username'] : '');
            }
            
            // Get email from database
            $user_email = isset($user_data['email']) ? $user_data['email'] : '';
            
            // Get avatar if available
                $user_avatar = isset($user_data['avatar']) ? $user_data['avatar'] : (isset($user_data['profile_image']) ? $user_data['profile_image'] : '');
            }
        }
    }
    
    // Fallback to session data if database fetch fails
    if (empty($user_name)) {
$student_name = isset($_SESSION['student_name']) ? $_SESSION['student_name'] : '';
        $admin_name = isset($_SESSION['admin_name']) ? $_SESSION['admin_name'] : '';
        $user_name = !empty($admin_name) ? $admin_name : (!empty($student_name) ? $student_name : (isset($_SESSION['username']) ? $_SESSION['username'] : 'User'));
    }
    
    if (empty($user_email)) {
        $user_email = isset($_SESSION['admin_email']) ? $_SESSION['admin_email'] : (isset($_SESSION['student_email']) ? $_SESSION['student_email'] : (isset($_SESSION['email']) ? $_SESSION['email'] : ''));
    }
    
    if (empty($user_avatar)) {
        $user_avatar = isset($_SESSION['user_avatar']) && !empty($_SESSION['user_avatar']) ? $_SESSION['user_avatar'] : '';
    }
} else {
    // Default values for logged out users
    $user_name = 'Guest';
    $user_email = '';
    $user_avatar = '';
    $user_role = '';
}

// Get user initials for avatar
$user_initials = '';
if (!empty($user_name) && $user_name !== 'User' && $user_name !== 'Guest') {
    $name_parts = explode(' ', $user_name);
    if (count($name_parts) >= 2) {
        $user_initials = mb_substr($name_parts[0], 0, 1) . mb_substr($name_parts[count($name_parts)-1], 0, 1);
    } else {
        $user_initials = mb_substr($user_name, 0, 2);
    }
    $user_initials = strtoupper($user_initials);
} else {
    $user_initials = 'UN';
}

// Get current page
$current_page = basename($_SERVER['PHP_SELF'], '.php');
?>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title><?php echo $site_name; ?></title>
    
    <!-- Bootstrap CSS -->
    <link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet">
    
    <!-- Font Awesome -->
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css">
    
    <!-- Google Fonts - Poppins -->
    <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=Poppins:wght@300;400;500;600;700&display=swap" rel="stylesheet">
    
    <!-- Animate.css -->
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/4.1.1/animate.min.css">
    
    <!-- Custom CSS -->
    <link rel="stylesheet" href="assets/css/homepage.css">
    
    <!-- Rounded Navbar CSS -->
    <link rel="stylesheet" href="assets/css/rounded-navbar.css">
    
    <?php 
    // Include theme loader
    include_once 'includes/theme_loader.php';
    ?>
    
    <style>
        :root {
            --primary-color: <?php echo $primary_color; ?>;
            --secondary-color: <?php echo $secondary_color; ?>;
            --primary-rgb: <?php 
                $hex = ltrim($primary_color, '#');
                $r = hexdec(substr($hex, 0, 2));
                $g = hexdec(substr($hex, 2, 2));
                $b = hexdec(substr($hex, 4, 2));
                echo "$r, $g, $b";
            ?>;
            --secondary-rgb: <?php 
                $hex = ltrim($secondary_color, '#');
                $r = hexdec(substr($hex, 0, 2));
                $g = hexdec(substr($hex, 2, 2));
                $b = hexdec(substr($hex, 4, 2));
                echo "$r, $g, $b";
            ?>;
        }
        
        body {
            font-family: 'Poppins', sans-serif;
            overflow-x: hidden;
        }
        
        /* Responsive brand text display */
        @media (max-width: 767.98px) {
            .navbar-brand .brand-text {
                display: <?php echo ($show_sitename_mobile == 'true') ? 'inline-block' : 'none'; ?> !important;
            }
            .navbar-brand .navbar-logo {
                display: <?php echo ($show_logo_mobile == 'true') ? 'block' : 'none'; ?> !important;
            }
        }
        
        @media (min-width: 768px) {
            .navbar-brand .brand-text {
                display: <?php echo ($show_sitename_desktop == 'true') ? 'inline-block' : 'none'; ?> !important;
            }
            .navbar-brand .navbar-logo {
                display: <?php echo ($show_logo_desktop == 'true') ? 'block' : 'none'; ?> !important;
            }
        }
        
        /* Modern Navbar Styles with glassmorphism */
        .navbar {
            padding: 0.6rem 1rem;
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            z-index: 1030;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 0 0 30px 30px;
            margin: 0 15px;
            width: calc(100% - 30px);
        }
        
        .navbar-light {
            background-color: rgba(255, 255, 255, 0.8);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
        }
        
        .navbar-dark {
            background-color: rgba(33, 37, 41, 0.85);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
        }
        
        .navbar.scrolled {
            padding: 0.4rem 1rem;
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            margin: 0 5px;
            width: calc(100% - 10px);
        }
        
        .navbar-light.scrolled {
            background-color: rgba(255, 255, 255, 0.9);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        
        .navbar-dark.scrolled {
            background-color: rgba(25, 28, 31, 0.95);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        
        /* Logo Animation */
        .navbar-brand {
            display: flex;
            align-items: center;
            font-weight: 700;
            color: var(--primary-color);
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .navbar-logo {
            height: 40px;
            margin-right: 10px;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }
        
        .brand-text {
            position: relative;
            display: inline-block;
        }
        
        .brand-text::after {
            content: '';
            position: absolute;
            width: 100%;
            transform: scaleX(0);
            height: 2px;
            bottom: -2px;
            left: 0;
            background-color: var(--primary-color);
            transform-origin: bottom right;
            transition: transform 0.3s ease-out;
        }
        
        .navbar-brand:hover .brand-text::after {
            transform: scaleX(1);
            transform-origin: bottom left;
        }
        
        .navbar-brand:hover .navbar-logo {
            transform: rotate(5deg) scale(1.05);
        }
        
        /* Hamburger Menu Animation */
        .navbar-toggler {
            border: none;
            padding: 0;
            width: 30px;
            height: 24px;
            position: relative;
            transition: all 0.3s ease;
            background: transparent;
        }
        
        .navbar-toggler:focus {
            box-shadow: none;
            outline: none;
        }
        
        .toggler-icon {
            display: block;
            position: absolute;
            height: 3px;
            width: 100%;
            background: var(--primary-color);
            border-radius: 3px;
            opacity: 1;
            left: 0;
            transform: rotate(0deg);
            transition: 0.25s ease-in-out;
        }
        
        .top-bar {
            margin-top: 0;
            transform-origin: left center;
        }
        
        .middle-bar {
            margin-top: 10px;
            transform-origin: left center;
        }
        
        .bottom-bar {
            margin-top: 20px;
            transform-origin: left center;
        }
        
        .navbar-toggler.collapsed .top-bar {
            transform: rotate(0);
        }
        
        .navbar-toggler.collapsed .middle-bar {
            opacity: 1;
        }
        
        .navbar-toggler.collapsed .bottom-bar {
            transform: rotate(0);
        }
        
        .navbar-toggler:not(.collapsed) .top-bar {
            transform: rotate(45deg);
            margin-top: 8px;
        }
        
        .navbar-toggler:not(.collapsed) .middle-bar {
            opacity: 0;
        }
        
        .navbar-toggler:not(.collapsed) .bottom-bar {
            transform: rotate(-45deg);
            margin-top: 8px;
        }
        
        /* Navigation Links */
        .nav-item {
            position: relative;
            /* margin: 0 0.15rem;
            padding: 0 0.5rem; */
        }
        
        .nav-link {
            font-weight: 500;
            padding: 0.7rem 0.8rem !important;
            position: relative;
            transition: all 0.3s ease;
            color: #555;
        }
        
        .navbar-dark .nav-link {
            color: rgba(255, 255, 255, 0.85);
        }
        
        .nav-text {
            position: relative;
            display: inline-block;
            padding: 0.2rem 0;
        }
        
        .nav-link::before {
            content: '';
            position: absolute;
            width: 0;
            height: 0;
            bottom: 0;
            left: 50%;
            /* background-color: var(--primary-color); */
            transform: translateX(-50%);
            transition: all 0.3s ease;
            z-index: -1;
            opacity: 0.1;
            border-radius: 5px;
        }
        
        .nav-link:hover::before, .nav-link.active::before {
            width: 80%;
            height: 80%;
        }
        
        .nav-link:hover, .nav-link.active {
            color: #fff;
            transform: translateY(-2px);
        }
        
        .navbar-dark .nav-link:hover, .navbar-dark .nav-link.active {
            color: #fff;
        }
        
        .nav-text::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: var(--primary-color);
            transition: all 0.3s ease;
        }
        
        .nav-link:hover .nav-text::after, .nav-link.active .nav-text::after {
            width: 100%;
        }
        
        /* Mega Dropdown Styling */
        .mega-dropdown {
            position: static !important;
        }
        
        .mega-dropdown-menu {
            width: 100%;
            border: none;
            border-radius: 0 0 15px 15px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
            padding: 20px 0;
            margin-top: 0;
            left: 0;
            right: 0;
            transform: translateY(20px);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
            display: block;
            pointer-events: none;
        }
        
        .navbar-dark .mega-dropdown-menu {
            background-color: rgba(33, 37, 41, 0.95);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
        }
        
        .mega-dropdown:hover .mega-dropdown-menu {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
        }
        
        .dropdown-toggle::after {
            display: inline-block;
            font-size: 10px;
            margin-left: 5px;
            transition: all 0.3s ease;
            vertical-align: middle;
        }
        
        .mega-dropdown:hover .dropdown-toggle::after {
            transform: rotate(180deg);
        }
        
        .menu-section {
            padding: 15px;
            border-radius: 10px;
            transition: all 0.3s ease;
            background-color: rgba(255, 255, 255, 0.05);
        }
        
        .menu-section:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        
        .menu-section-title {
            font-weight: 600;
            font-size: 1rem;
            margin-bottom: 15px;
            color: var(--primary-color);
            position: relative;
            display: inline-block;
            padding-bottom: 5px;
        }
        
        .navbar-dark .menu-section-title {
            color: #fff;
        }
        
        .menu-section-title::after {
            content: '';
            position: absolute;
            width: 50%;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: var(--primary-color);
        }
        
        .menu-items {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 10px;
        }
        
        .dropdown-item {
            padding: 10px 15px;
            font-weight: 500;
            border-radius: 5px;
            display: flex;
            align-items: center;
            transition: all 0.2s ease;
            color: #555;
            background-color: transparent;
        }
        
        .navbar-dark .dropdown-item {
            color: rgba(255, 255, 255, 0.8);
        }
        
        .dropdown-item:hover, .dropdown-item:focus {
            background-color: rgba(var(--primary-rgb), 0.1);
            color: var(--primary-color);
            transform: translateX(5px);
        }
        
        .navbar-dark .dropdown-item:hover, .navbar-dark .dropdown-item:focus {
            background-color: rgba(255, 255, 255, 0.1);
            color: #fff;
        }
        
        .dropdown-item i {
            margin-right: 10px;
            font-size: 0.9rem;
            color: var(--primary-color);
            transition: all 0.3s ease;
        }
        
        .navbar-dark .dropdown-item i {
            color: rgba(255, 255, 255, 0.6);
        }
        
        .dropdown-item:hover i {
            transform: scale(1.2);
        }
        
        /* Auth Buttons */
        .auth-buttons {
            display: flex;
            gap: 10px;
        }
        
        .btn-login, .btn-register {
            border-radius: 50px;
            font-weight: 500;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
            z-index: 1;
            padding: 0.55rem 1.5rem;
        }
        
        .btn-register {
            background: var(--primary-color);
            color: white;
            border: none;
        }
        
        .btn-login {
            background: transparent;
            color: var(--primary-color);
            border: 2px solid var(--primary-color);
        }
        
        .btn-register::before, .btn-login::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0%;
            height: 100%;
            background: rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }
        
        .btn-register:hover, .btn-login:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(var(--primary-rgb), 0.15);
        }
        
        .btn-register:hover::before, .btn-login:hover::before {
            width: 100%;
        }
        
        /* User Avatar Menu */
        .avatar-menu {
            position: relative;
            z-index: 1050;
        }
        
        .avatar-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            background: none;
            border: none;
            padding: 0;
            position: relative;
            z-index: 2;
            width: 42px;
            height: 42px;
        }
        
        .avatar-img {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--primary-color);
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }
        
        .status-indicator {
            position: absolute;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            bottom: 0;
            right: 0;
            border: 2px solid white;
        }
        
        .status-indicator.online {
            background-color: #4CAF50;
        }
        
        .avatar-toggle:hover .avatar-img {
            transform: scale(1.08);
            box-shadow: 0 5px 15px rgba(var(--primary-rgb), 0.3);
        }
        
        .avatar-dropdown {
            position: absolute;
            right: 0;
            top: 120%;
            width: 280px;
            background: white;
            border-radius: 15px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
            /* padding: 20px 0 10px; */
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px) scale(0.98);
            transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
            z-index: 1040;
            overflow: hidden;
            pointer-events: none; /* Prevent interaction when hidden */
        }
        
        .avatar-menu.active .avatar-dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0) scale(1);
            pointer-events: auto; /* Allow interaction when visible */
        }
        
        .avatar-header {
            display: flex;
            align-items: center;
            /* padding: 0 20px 15px; */
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            margin-bottom: 10px;
        }
        
        .avatar-header-img {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            object-fit: cover;
            margin-right: 15px;
            border: 3px solid var(--primary-color);
        }
        
        .avatar-name {
            font-weight: 600;
            font-size: 1.1rem;
            margin: 0;
            color: #333;
        }
        
        .avatar-email {
            font-size: 0.85rem;
            color: #777;
            margin: 5px 0 0;
        }
        
        .avatar-menu-item {
            display: flex;
            align-items: center;
            padding: 12px 20px;
            color: #555;
            font-weight: 500;
            transition: all 0.2s ease;
            text-decoration: none;
        }
        
        .avatar-menu-item:hover {
            background-color: rgba(var(--primary-rgb), 0.05);
            color: var(--primary-color);
            padding-left: 25px;
        }
        
        .avatar-menu-item i {
            margin-right: 12px;
            font-size: 1.1rem;
            width: 20px;
            text-align: center;
            color: #777;
            transition: all 0.3s ease;
        }
        
        .avatar-menu-item:hover i {
            color: var(--primary-color);
            transform: translateX(3px);
        }
        
        .avatar-divider {
            height: 1px;
            background-color: rgba(0, 0, 0, 0.05);
            margin: 10px 0;
        }
        
        .avatar-menu-item.logout {
            color: #e74a3b;
        }
        
        .avatar-menu-item.logout:hover {
            background-color: rgba(231, 74, 59, 0.05);
            color: #e74a3b;
        }
        
        .avatar-menu-item.logout:hover i {
            color: #e74a3b;
        }
        
        /* Mobile Menu Animation */
        @media (max-width: 991.98px) {
            .navbar {
                padding: 0.5rem 1rem;
            }
            
            .navbar-collapse {
                background-color: rgba(255, 255, 255, 0.95);
                border-radius: 10px;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
                padding: 20px;
                max-height: 80vh;
                overflow-y: auto;
                margin-top: 15px;
            }
            
            .navbar-dark .navbar-collapse {
                background-color: rgba(33, 37, 41, 0.95);
            }
            
            .nav-item {
                margin: 5px 0;
            }
            
            .nav-link {
                padding: 0.8rem 1rem !important;
            }
            
            .nav-link::before {
                display: none;
            }
            
            .navbar-nav {
                margin-bottom: 15px;
            }
            
            .mega-dropdown-menu {
                position: static;
                width: 100%;
                transform: none;
                box-shadow: none;
                visibility: visible;
                opacity: 1;
                padding: 0;
                margin-top: 0;
                display: none;
                max-height: 0;
                transition: max-height 0.3s ease-out;
                pointer-events: auto;
            }
            
            .mega-dropdown-menu.show {
                display: block;
                max-height: 1000px;
            }
            
            .menu-items {
                grid-template-columns: 1fr;
            }
            
            .menu-section {
                padding: 10px;
                margin-top: 10px;
            }
            
            .dropdown-item {
                padding: 10px;
            }
            
            .dropdown-toggle::after {
                float: right;
                margin-top: 8px;
            }
            
            .dropdown-toggle[aria-expanded="true"]::after {
                transform: rotate(180deg);
            }
            
            .auth-buttons {
                flex-direction: column;
                width: 100%;
                gap: 10px;
            }
            
            .btn-login, .btn-register {
                width: 100%;
                text-align: center;
            }
            
            .avatar-menu {
                margin: 15px auto 0;
            }
            
            .avatar-dropdown {
                position: fixed;
                top: auto;
                bottom: 0;
                left: 0;
                right: 0;
                width: 100%;
                border-radius: 15px 15px 0 0;
                padding: 20px;
                max-height: 90vh;
                overflow-y: auto;
            }
        }
        
        /* Navbar scroll animation */
        .navbar-scrolled {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            padding: 0.6rem 1rem;
        }
        
        .navbar-dark.navbar-scrolled {
            background-color: rgba(33, 37, 41, 0.95);
        }
        
        /* Navbar dropdown animation */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translate3d(0, 20px, 0);
            }
            to {
                opacity: 1;
                transform: translate3d(0, 0, 0);
            }
        }
        
        /* Add animation classes */
        .animate-fadeIn {
            animation: fadeIn 0.4s ease forwards;
        }
        
        .animate-fadeInUp {
            animation: fadeInUp 0.4s ease forwards;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
    </style>
    
    <?php if($enable_animations === 'true'): ?>
    <style>
        .navbar-brand, .nav-link, .dropdown-item, .btn-login, .btn-register, .avatar-toggle, .avatar-menu-item {
            animation: fadeIn 0.5s ease forwards;
        }
        
        .navbar-nav .nav-item:nth-child(1) { animation-delay: 0.1s; }
        .navbar-nav .nav-item:nth-child(2) { animation-delay: 0.2s; }
        .navbar-nav .nav-item:nth-child(3) { animation-delay: 0.3s; }
        .navbar-nav .nav-item:nth-child(4) { animation-delay: 0.4s; }
        .navbar-nav .nav-item:nth-child(5) { animation-delay: 0.5s; }
        .navbar-nav .nav-item:nth-child(6) { animation-delay: 0.6s; }
        
        .animate-fade-in {
            animation: fadeIn 0.5s ease forwards;
        }
        
        .animate-slide-up {
            animation: slideUp 0.5s ease forwards;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        @keyframes slideUp {
            from { transform: translateY(20px); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }
    </style>
    <?php endif; ?>
    <style>
        /* Additional responsive visibility classes */
        .desktop-only {
            display: none !important;
        }
        
        .mobile-only {
            display: none !important;
        }
        
        /* Must be more specific than other rules */
        @media (min-width: 768px) {
            .navbar-brand .desktop-only {
                display: block !important;
            }
            .navbar-brand .desktop-only.inline {
                display: inline-block !important;
            }
            .navbar-brand .mobile-only {
                display: none !important;
            }
        }
        
        /* Must be more specific than other rules */
        @media (max-width: 767.98px) {
            .navbar-brand .mobile-only {
                display: block !important;
            }
            .navbar-brand .mobile-only.inline {
                display: inline-block !important;
            }
            .navbar-brand .desktop-only {
                display: none !important;
            }
        }
    </style>
</head>
<body>
    <!-- Main Navigation -->
    <nav class="navbar curved-navbar navbar-expand-lg navbar-<?php echo $navbar_style; ?> <?php echo $navbar_position; ?>">
            <div class="container">
            <!-- Logo -->
            <a class="navbar-brand" href="index.php">
                <!-- Desktop Logo -->
                <?php if ($show_logo_desktop == 'true'): ?>
                <img src="<?php echo $site_logo; ?>" alt="<?php echo $site_name; ?> Logo" class="desktop-only inline navbar-logo">
                <?php endif; ?>
                <!-- Mobile Logo -->
                <?php if ($show_logo_mobile == 'true'): ?>
                <img src="<?php echo $site_logo; ?>" alt="<?php echo $site_name; ?> Logo" class="mobile-only inline navbar-logo">
                <?php endif; ?>
                
                <!-- Desktop Site Name -->
                <?php if ($show_sitename_desktop == 'true'): ?>
                <span class="desktop-only inline brand-text"><?php echo $site_name; ?></span>
                <?php endif; ?>
                <!-- Mobile Site Name -->
                <?php if ($show_sitename_mobile == 'true'): ?>
                <span class="mobile-only inline brand-text"><?php echo $site_name; ?></span>
                <?php endif; ?>
            </a>
            
            <!-- Mobile Toggle with animated icon -->
            <button class="navbar-toggler collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                <span class="toggler-icon top-bar"></span>
                <span class="toggler-icon middle-bar"></span>
                <span class="toggler-icon bottom-bar"></span>
                </button>
            
            <!-- Navbar Links -->
                <div class="collapse navbar-collapse" id="navbarNav">
                <ul class="navbar-nav mx-auto">
                    <!-- Home -->
                    <li class="nav-item">
                        <a class="nav-link <?php echo ($current_page == 'index') ? 'active' : ''; ?>" href="index.php">
                            <span class="nav-text">Home</span>
                        </a>
                        </li>
                    
                    <!-- Courses -->
                    <li class="nav-item">
                        <a class="nav-link <?php echo ($current_page == 'courses') ? 'active' : ''; ?>" href="courses.php">
                            <span class="nav-text">Courses</span>
                        </a>
                        </li>
                    
                    <!-- Student Dropdown -->
                    <li class="nav-item dropdown mega-dropdown">
                        <a class="nav-link dropdown-toggle" href="#" id="studentDropdown" role="button" data-bs-toggle="dropdown" aria-expanded="false">
                            <span class="nav-text">Student</span>
                        </a>
                        <div class="dropdown-menu mega-dropdown-menu" aria-labelledby="studentDropdown">
                            <div class="container">
                                <div class="row">
                                    <div class="col-md-12">
                                        <div class="menu-section">
                                            <h6 class="menu-section-title">Student Zone</h6>
                                            <div class="menu-items">
                                                <a class="dropdown-item" href="attendance.php">
                                                    <i class="fas fa-clipboard-check"></i>
                                                    <span>Attendance</span>
                                                </a>
                                                <a class="dropdown-item" href="students.php">
                                                    <i class="fas fa-user-graduate"></i>
                                                    <span>Students</span>
                                                </a>
                                                <a class="dropdown-item" href="student-list.php">
                                                    <i class="fas fa-list"></i>
                                                    <span>Student List</span>
                                                </a>
                                                <a class="dropdown-item" href="student-activities.php">
                                                    <i class="fas fa-running"></i>
                                                    <span>Student Activities</span>
                                                </a>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </div>
                        </li>
                    
                    <!-- Exams Dropdown -->
                    <li class="nav-item dropdown mega-dropdown">
                        <a class="nav-link dropdown-toggle" href="#" id="examsDropdown" role="button" data-bs-toggle="dropdown" aria-expanded="false">
                            <span class="nav-text">Exams</span>
                        </a>
                        <div class="dropdown-menu mega-dropdown-menu" aria-labelledby="examsDropdown">
                            <div class="container">
                                <div class="row">
                                    <div class="col-md-12">
                                        <div class="menu-section">
                                            <h6 class="menu-section-title">Examination Center</h6>
                                            <div class="menu-items">
                                                <a class="dropdown-item" href="practice-exams.php">
                                                    <i class="fas fa-pencil-alt"></i>
                                                    <span>Practice</span>
                                                </a>
                                                <a class="dropdown-item" href="exam-results.php">
                                                    <i class="fas fa-award"></i>
                                                    <span>Results</span>
                                                </a>
                                                <a class="dropdown-item" href="exam-schedule.php">
                                                    <i class="fas fa-calendar-alt"></i>
                                                    <span>Exam Schedule</span>
                                                </a>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </div>
                        </li>
                    
                    <!-- About Us Dropdown -->
                    <li class="nav-item dropdown mega-dropdown">
                        <a class="nav-link dropdown-toggle" href="#" id="aboutDropdown" role="button" data-bs-toggle="dropdown" aria-expanded="false">
                            <span class="nav-text">About Us</span>
                        </a>
                        <div class="dropdown-menu mega-dropdown-menu" aria-labelledby="aboutDropdown">
                            <div class="container">
                                <div class="row">
                                    <div class="col-md-12">
                                        <div class="menu-section">
                                            <h6 class="menu-section-title">About Our Institute</h6>
                                            <div class="menu-items">
                                                <a class="dropdown-item" href="institute-details.php">
                                                    <i class="fas fa-building"></i>
                                                    <span>Institute Details</span>
                                                </a>
                                                <a class="dropdown-item" href="gallery.php">
                                                    <i class="fas fa-images"></i>
                                                    <span>Gallery</span>
                                                </a>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </li>
                    
                    <!-- Contact Us -->
                    <li class="nav-item">
                        <a class="nav-link <?php echo ($current_page == 'contact') ? 'active' : ''; ?>" href="#contact">
                            <span class="nav-text">Contact Us</span>
                        </a>
                    </li>
                    
                   
                    
                    
                </ul>
                
                <div class="nav-actions">
                    <?php if ($is_logged_in): ?>
                        <!-- User Avatar Menu -->
                        <div class="avatar-menu ms-3">
                            <button class="avatar-toggle" type="button" id="avatarMenuButton" aria-expanded="false" aria-haspopup="true">
                                <span class="status-indicator online"></span>
                                <?php if (!empty($user_avatar)): ?>
                                    <?php
                                    // Ensure the path is properly formatted
                                    $display_avatar = $user_avatar;
                                    if (strpos($display_avatar, 'uploads/') === 0) {
                                        $display_avatar = $display_avatar; // Already relative to root
                                    } elseif (strpos($display_avatar, 'assets/') === 0) {
                                        $display_avatar = $display_avatar; // Already relative to root
                                    } elseif (strpos($display_avatar, '../') === 0) {
                                        $display_avatar = substr($display_avatar, 3); // Remove the leading ../
                                    } elseif (strpos($display_avatar, '/') === 0) {
                                        $display_avatar = substr($display_avatar, 1); // Remove the leading /
                                    }
                                    
                                    // Verify file exists
                                    if (!file_exists($display_avatar)) {
                                        $display_avatar = 'assets/img/default-avatar.png';
                                    }
                                    ?>
                                    <img src="<?php echo htmlspecialchars($display_avatar); ?>" alt="User Avatar" class="avatar-img">
                                <?php else: ?>
                                <div class="avatar-img initial"><?php echo $user_initials; ?></div>
                                <?php endif; ?>
                            </button>
                            
                            <div class="avatar-dropdown" id="avatarDropdownMenu">
                                <div class="avatar-header">
                                    <?php if (!empty($user_avatar)): ?>
                                        <img src="<?php echo htmlspecialchars($display_avatar); ?>" alt="User Avatar" class="avatar-header-img">
                                    <?php else: ?>
                                        <div class="avatar-header-img initial"><?php echo $user_initials; ?></div>
                                    <?php endif; ?>
                                    <div>
                                        <p class="avatar-name"><?php echo htmlspecialchars($user_name); ?></p>
                                        <?php if (!empty($user_email)): ?>
                                            <p class="avatar-email"><?php echo htmlspecialchars($user_email); ?></p>
                                        <?php endif; ?>
                                        <?php if($user_role === 'admin'): ?>
                                        <span class="badge bg-primary">Administrator</span>
                                        <?php elseif($user_role === 'instructor'): ?>
                                            <span class="badge bg-info">Instructor</span>
                                        <?php elseif($user_role === 'student'): ?>
                                            <span class="badge bg-success">Student</span>
                                        <?php endif; ?>
                                    </div>
                                </div>
                                
                                <?php if($user_role === 'admin'): ?>
                                <a href="admin/dashboard.php" class="avatar-menu-item">
                                    <i class="fas fa-tachometer-alt"></i> Admin Dashboard
                                </a>
                                
                                <a href="admin/profile.php" class="avatar-menu-item">
                                    <i class="fas fa-user-shield"></i> Admin Profile
                                </a>
                                
                                <a href="admin/settings.php" class="avatar-menu-item">
                                    <i class="fas fa-cogs"></i> Site Settings
                                </a>
                                <?php else: ?>
                                <a href="student/dashboard.php" class="avatar-menu-item">
                                    <i class="fas fa-tachometer-alt"></i> My Dashboard
                                </a>
                                
                                <a href="student/profile.php" class="avatar-menu-item">
                                    <i class="fas fa-user"></i> My Profile
                                </a>
                                <?php endif; ?>
                                
                                <div class="avatar-divider"></div>
                                
                                <a href="<?php echo $user_role === 'admin' ? 'admin/logout.php' : 'student/logout.php'; ?>" class="avatar-menu-item logout">
                                    <i class="fas fa-sign-out-alt"></i> Logout
                                </a>
                            </div>
                        </div>
                    <?php else: ?>
                        <!-- Auth Buttons -->
                        <div class="auth-buttons">
                            <!-- <a href="register.php" class="btn btn-register rounded-pill">Register</a> -->
                            <a href="login.php" class="btn btn-login rounded-pill">Login</a>
                        </div>
                        <?php endif; ?>
                </div>
                </div>
            </div>
        </nav>
    
    <!-- Main Content Starts Here --> 
    
    <script>
        // Avatar dropdown toggle functionality and other navbar interactions
        document.addEventListener('DOMContentLoaded', function() {
            // Avatar dropdown toggle
            const avatarToggle = document.getElementById('avatarMenuButton');
            const avatarMenu = document.querySelector('.avatar-menu');
            const avatarDropdown = document.getElementById('avatarDropdownMenu');
            
            if (avatarToggle) {
                // Fix: Remove any event listeners that might be attached
                const newAvatarToggle = avatarToggle.cloneNode(true);
                avatarToggle.parentNode.replaceChild(newAvatarToggle, avatarToggle);
                
                // Add click event listener to the new button
                newAvatarToggle.addEventListener('click', function(e) {
                    console.log('Avatar toggle clicked'); // Debug log
                    e.preventDefault();
                    e.stopPropagation();
                    
                    // Toggle active class directly
                    if (avatarMenu.classList.contains('active')) {
                        avatarMenu.classList.remove('active');
                        newAvatarToggle.setAttribute('aria-expanded', 'false');
                    } else {
                        avatarMenu.classList.add('active');
                        newAvatarToggle.setAttribute('aria-expanded', 'true');
                        
                        // Close other dropdowns when avatar dropdown is opened
                        const megaDropdowns = document.querySelectorAll('.mega-dropdown-menu');
                        megaDropdowns.forEach(dropdown => {
                            dropdown.classList.remove('animate-fadeInUp');
                        });
                    }
                });
                
                // Close when clicking outside
                document.addEventListener('click', function(e) {
                    if (avatarMenu && !avatarMenu.contains(e.target) && e.target !== newAvatarToggle) {
                        avatarMenu.classList.remove('active');
                        newAvatarToggle.setAttribute('aria-expanded', 'false');
                    }
                });
                
                // Alternative: Use Bootstrap's dropdown API directly
                if (typeof bootstrap !== 'undefined') {
                    try {
                        const dropdownElementList = [avatarToggle];
                        const dropdownList = dropdownElementList.map(function(dropdownToggleEl) {
                            return new bootstrap.Dropdown(dropdownToggleEl, {
                                autoClose: true
                            });
                        });
                        console.log('Bootstrap dropdown initialized as fallback');
                    } catch (e) {
                        console.warn('Bootstrap dropdown initialization failed:', e);
                    }
                }
            }
            
            // Navbar scroll effect
            const navbar = document.querySelector('.navbar');
            window.addEventListener('scroll', function() {
                if (window.scrollY > 50) {
                    navbar.classList.add('scrolled');
                } else {
                    navbar.classList.remove('scrolled');
                }
            });
            
            // Enhanced hover effects for nav links
            const navLinks = document.querySelectorAll('.nav-link');
            navLinks.forEach(link => {
                link.addEventListener('mouseenter', function() {
                    if (window.innerWidth >= 992) {
                        this.style.transform = 'translateY(-3px)';
                    }
                });
                
                link.addEventListener('mouseleave', function() {
                    if (window.innerWidth >= 992) {
                        if (!this.classList.contains('active')) {
                            this.style.transform = '';
                        }
                    }
                });
            });
            
            // Enhanced hover effects for buttons
            const buttons = document.querySelectorAll('.btn-login, .btn-register');
            buttons.forEach(button => {
                button.addEventListener('mouseenter', function() {
                    this.style.transform = 'translateY(-5px) scale(1.02)';
                });
                
                button.addEventListener('mouseleave', function() {
                    this.style.transform = '';
                });
            });
            
            // Handle mobile dropdowns
            const dropdownToggles = document.querySelectorAll('.dropdown-toggle');
            
            function setupMobileDropdowns() {
                if (window.innerWidth < 992) { // Mobile view
                    dropdownToggles.forEach(toggle => {
                        toggle.setAttribute('data-bs-toggle', 'collapse');
                        const dropdownId = toggle.getAttribute('id');
                        const dropdownMenu = document.querySelector(`[aria-labelledby="${dropdownId}"]`);
                        if (dropdownMenu) {
                            const targetId = `${dropdownId}Menu`;
                            
                            dropdownMenu.setAttribute('id', targetId);
                            toggle.setAttribute('data-bs-target', `#${targetId}`);
                            toggle.setAttribute('aria-expanded', 'false');
                            
                            // Remove hover behavior
                            dropdownMenu.classList.remove('show');
                        }
                    });
                } else { // Desktop view
                    dropdownToggles.forEach(toggle => {
                        toggle.removeAttribute('data-bs-toggle');
                        toggle.removeAttribute('data-bs-target');
                        toggle.removeAttribute('aria-expanded');
                    });
                }
            }
            
            // Initial setup
            setupMobileDropdowns();
            
            // Update on resize
            window.addEventListener('resize', setupMobileDropdowns);
            
            // Add hover effect for desktop dropdowns
            const megaDropdowns = document.querySelectorAll('.mega-dropdown');
            megaDropdowns.forEach(dropdown => {
                dropdown.addEventListener('mouseenter', function() {
                    if (window.innerWidth >= 992) {
                        const dropdownMenu = this.querySelector('.mega-dropdown-menu');
                        if (dropdownMenu) {
                            dropdownMenu.classList.add('animate-fadeInUp');
                            
                            // Close avatar dropdown when mega menu is opened
                            if (avatarMenu) {
                                avatarMenu.classList.remove('active');
                            }
                        }
                    }
                });
                
                dropdown.addEventListener('mouseleave', function() {
                    if (window.innerWidth >= 992) {
                        const dropdownMenu = this.querySelector('.mega-dropdown-menu');
                        if (dropdownMenu) {
                            dropdownMenu.classList.remove('animate-fadeInUp');
                        }
                    }
                });
            });
            
            // Apply active class to current page in navbar
            const currentLocation = window.location.href;
            const navLinks = document.querySelectorAll('.navbar-nav .nav-link');
            
            navLinks.forEach(link => {
                if (link.href === currentLocation) {
                    link.classList.add('active');
                    
                    // If in dropdown, make parent active too
                    const parentDropdown = link.closest('.dropdown');
                    if (parentDropdown) {
                        const dropdownToggle = parentDropdown.querySelector('.dropdown-toggle');
                        if (dropdownToggle) {
                            dropdownToggle.classList.add('active');
                        }
                    }
                }
            });
            
            // Add shine effect on hover for buttons
            document.querySelectorAll('.btn-register, .btn-login').forEach(button => {
                button.addEventListener('mouseenter', function() {
                    this.classList.add('btn-shine');
                });
                
                button.addEventListener('mouseleave', function() {
                    this.classList.remove('btn-shine');
                });
            });
        });
    </script>
    <style>
        /* Additional hover effects */
        .btn-shine {
            position: relative;
            overflow: hidden;
        }
        
        .btn-shine::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(
                60deg,
                rgba(255, 255, 255, 0) 10%,
                rgba(255, 255, 255, 0.1) 20%,
                rgba(255, 255, 255, 0.2) 30%,
                rgba(255, 255, 255, 0) 70%
            );
            transform: rotate(30deg);
            animation: shine 1.5s forwards;
        }
        
        @keyframes shine {
            0% {
                transform: scale(0) rotate(30deg);
            }
            100% {
                transform: scale(3) rotate(30deg);
            }
        }
    </style>
    <style>
        /* Mobile specific fixes */
        @media (max-width: 767.98px) {
            .avatar-toggle {
                width: 42px;
                height: 42px;
                padding: 8px; /* Increase padding for better touch target */
            }
            
            /* Ensure dropdown appears in the right position on mobile */
            .avatar-dropdown {
                right: 0;
                left: auto;
                width: 260px;
                max-width: 100vw;
            }
            
            /* Make sure avatar menu has high z-index on mobile */
            .avatar-menu {
                z-index: 1060;
            }
        }
    </style>
    <script>
        // Direct fix for avatar menu
        document.addEventListener('DOMContentLoaded', function() {
            const avatarButton = document.getElementById('avatarMenuButton');
            const avatarMenu = document.querySelector('.avatar-menu');
            
            if (avatarButton && avatarMenu) {
                // Force remove and reattach click handler
                avatarButton.onclick = function(e) {
                    e.preventDefault();
                    e.stopPropagation();
                    avatarMenu.classList.toggle('active');
                    console.log('Avatar clicked with direct handler');
                    return false;
                };
            }
            
            // Handle visibility of logo and site name based on screen size
            // No longer needed with the new class-based approach
            /*
            const brandLogo = document.querySelector('.navbar-logo');
            const brandText = document.querySelector('.brand-text');
            
            // Set initial visibility based on screen size
            updateBrandVisibility();
            
            // Update visibility on window resize
            window.addEventListener('resize', updateBrandVisibility);
            
            function updateBrandVisibility() {
                const isMobile = window.innerWidth < 768;
                
                if (brandLogo) {
                    if (isMobile) {
                        // Mobile view
                        brandLogo.style.display = <?php echo ($show_logo_mobile == 'true') ? "'inline-block'" : "'none'"; ?>;
                    } else {
                        // Desktop view
                        brandLogo.style.display = <?php echo ($show_logo_desktop == 'true') ? "'inline-block'" : "'none'"; ?>;
                    }
                }
                
                if (brandText) {
                    if (isMobile) {
                        // Mobile view
                        brandText.style.display = <?php echo ($show_sitename_mobile == 'true') ? "'inline-block'" : "'none'"; ?>;
                    } else {
                        // Desktop view
                        brandText.style.display = <?php echo ($show_sitename_desktop == 'true') ? "'inline-block'" : "'none'"; ?>;
                    }
                }
            }
            */
        });
    </script>
</body>
</html>