* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        :root {
            --primary-color: #2c3e50;
            --secondary-color: #3498db;
            --accent-color: #e74c3c;
            --light-color: #ecf0f1;
            --dark-color: #2c3e50;
            --success-color: #27ae60;
            --warning-color: #f39c12;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
            font-size: 16px;
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

        /* Header */
        header {
            background-color: var(--primary-color);
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo i {
            font-size: 1.8rem;
            color: var(--secondary-color);
        }

        .logo h1 {
            font-size: 1.5rem;
            font-weight: 600;
        }

        .logo a {
            color: white;
            text-decoration: none;
            height: 100%;
        }

        .logo a:hover {
            color: white;
            text-decoration: none;
        }

        .logo a:visited {
            color: white;
        }

        .logo a:active {
            color: white;
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 20px;
        }

        nav a {
            color: white;
            text-decoration: none;
            padding: 5px 10px;
            border-radius: 4px;
            transition: background-color 0.3s;
        }

        nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }

        .auth-buttons {
            display: flex;
            gap: 10px;
        }

        .btn {
            padding: 8px 16px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
            font-size: 16px;
        }

        .btn-outline {
            background-color: transparent;
            color: white;
            border: 1px solid white;
        }

        .btn-outline:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }

        .btn-success {
            background-color: var(--success-color);
            color: white;
        }

        .btn-warning {
            background-color: var(--warning-color);
            color: white;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(rgba(44, 62, 80, 0.9), rgba(44, 62, 80, 0.8));
            background-size: cover;
            background-position: center;
            color: white;
            padding: 4rem 0;
            text-align: center;
            margin-bottom: 2rem;
        }

        .hero h2 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 2rem;
        }

        /* Legal Notice Banner */
        .legal-banner {
            justify-content: center;
            background-color: #fff3cd;
            border: 1px solid #ffeaa7;
            color: #856404;
            padding: 15px;
            margin: 20px auto;
            border-radius: 5px;
            font-size: 14px;
        }

        .legal-banner a {
            color: #856404;
            text-decoration: underline;
        }

        /* Main Content */
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .courses{
            background-color: white;
            border-radius: 8px;
            padding: 1.5rem;
            box-shadow: var(--shadow);
            margin-top: 14px;
        }

        .sidebar {
            height: auto;
            background-color: white;
            border-radius: 8px;
            padding: 1.5rem;
            box-shadow: var(--shadow);
        }

        .section-title {
            color: var(--primary-color);
            border-bottom: 2px solid var(--secondary-color);
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
        }

        .course-card {
            border-left: 4px solid var(--secondary-color);
            padding: 1rem;
            background-color: #f8f9fa;
            border-radius: 2px;
            margin-bottom: 20px;
        }

        .course-card h3 {
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }

        .course-card-div {
            display: flex;
            flex-direction: row;
            background-color: #f8f9fa;
            border-radius: 4px;
            border-left: 4px solid var(--secondary-color);
            margin-bottom: 20px;
        }

        .course-card-pages {
            padding: 1rem;
            background-color: #f8f9fa;
            border-radius: 2px;
        }

        .course-card-pages h3 {
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }

        .section_image{
            /* height: auto; */
            max-height: 300px;
            width: 40%;
            overflow: hidden;
            margin: 1rem;
            border-radius: 4px;
        }
        .section_image img{
            transition: transform 280ms ease-in-out;
            display: block;
            width: 100%;
            height: 100%;
            object-fit:cover ; /* cover */
        }

        .course-meta {
            display: flex;
            gap: 15px;
            margin-bottom: 1rem;
            color: #666;
            font-size: 0.9rem;
        }

        .course-meta i {
            color: var(--secondary-color);
        }

        /* Auth Forms */
        .auth-container {
            max-width: 500px;
            margin: 2rem auto;
            background-color: white;
            border-radius: 8px;
            padding: 2rem;
            box-shadow: var(--shadow);

            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .auth-container h2 {
            text-align: center;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
        }

        .auth-container-btn {
            margin: 0 20px;
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--primary-color);
        }

        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--secondary-color);
            box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
        }

        .checkbox-group {
            display: flex;
            align-items: flex-start;
            margin: 20px 0;
        }

        .checkbox-group input {
            margin-right: 10px;
            margin-top: 3px;
        }

        .checkbox-group label {
            font-size: 14px;
            line-height: 1.4;
        }

        .checkbox-group a {
            color: var(--secondary-color);
            text-decoration: underline;
        }

        .auth-links {
            text-align: center;
            margin-top: 1.5rem;
        }

        .auth-links a {
            color: var(--secondary-color);
            text-decoration: none;
        }

        .auth-links a:hover {
            text-decoration: underline;
        }

        .hidden {
            display: none !important;
        }

        .user-info {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .user-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--secondary-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
        }

        /* Profile Page */
        .profile-header {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eee;
        }

        .profile-avatar {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background-color: var(--secondary-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 2.5rem;
            font-weight: bold;
        }

        .profile-info h2 {
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }

        .profile-info p {
            color: #666;
        }

        .profile-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }

        .profile-card {
            background-color: white;
            border-radius: 8px;
            padding: 1.5rem;
            box-shadow: var(--shadow);
        }

        /* Dashboard */
        .dashboard-stats {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .stat-card {
            background-color: white;
            border-radius: 8px;
            padding: 1.5rem;
            box-shadow: var(--shadow);
            text-align: center;
        }

        .stat-card i {
            font-size: 2rem;
            color: var(--secondary-color);
            margin-bottom: 0.5rem;
        }

        .stat-card h3 {
            font-size: 1.8rem;
            color: var(--primary-color);
        }

        /* Documents Section */
        .documents-section {
            height: 340px;
            background-color: white;
            border-radius: 8px;
            padding: 1.5rem;
            box-shadow: var(--shadow);
            margin-bottom: 20px;
        }

        .document-list {
            list-style: none;
        }

        .document-list li {
            padding: 10px 0;
            border-bottom: 1px solid #eee;
        }

        .document-list li:last-child {
            border-bottom: none;
        }

        .document-list a {
            color: var(--secondary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .document-list a:hover {
            text-decoration: underline;
        }

        /* Footer */
        footer {
            background-color: var(--primary-color);
            color: white;
            padding: 2rem 0;
            margin-top: 3rem;
        }

        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 2rem;
        }

        .footer-section {
            flex: 1;
            min-width: 250px;
        }

        .footer-section h3 {
            color: var(--secondary-color);
            margin-bottom: 1rem;
        }

        .footer-section ul {
            list-style: none;
        }

        .footer-section li {
            margin-bottom: 0.5rem;
        }

        .footer-section a {
            color: white;
            text-decoration: none;
        }

        .footer-section a:hover {
            color: var(--secondary-color);
        }

        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
        }

        /* Legal Pages */
        .legal-page {
            background-color: white;
            border-radius: 8px;
            padding: 2rem;
            box-shadow: var(--shadow);
            margin: 2rem 0;
        }

        .legal-page h2 {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--secondary-color);
        }

        .legal-page h3 {
            color: var(--primary-color);
            margin: 1.5rem 0 1rem;
        }

        .legal-page p, .legal-page ul {
            margin-bottom: 1rem;
        }

        .legal-page ul {
            padding-left: 1.5rem;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .main-content {
                grid-template-columns: 1fr;
            }

            .header-content {
                flex-direction: column;
                gap: 15px;
            }

            nav ul {
                flex-wrap: wrap;
                justify-content: center;
            }

            .hero h2 {
                font-size: 2rem;
            }

            .profile-content {
                grid-template-columns: 1fr;
            }
            
            .footer-content {
                flex-direction: column;
            }
        }