* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary-color: #3E67A3;
            --secondary-color: #03A180;
            --accent-color: #BBE7F4;
            --light-color: #f8fafc;
            --dark-color: #1e293b;
            --text-color: #334155;
            --shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
            --border-radius: 10px;
        }

        body {
            font-family: 'Tajawal', sans-serif;
            line-height: 1.8;
            color: var(--text-color);
            background: linear-gradient(135deg, #f5f7fa 0%, #e9ecf2 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .main-content {
            flex: 1;
            max-width: 1200px;
            width: 100%;
            margin: 40px auto;
            padding: 0 20px;
        }

        /* عنوان الصفحة */
        .page-title {
            text-align: center;
            margin-bottom: 40px;
        }

        .page-title h1 {
            color: var(--primary-color);
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .page-title p {
            color: var(--text-color);
            font-size: 1.2rem;
            opacity: 0.8;
        }

        /* زر العودة مثل الصفحة الأولى */
        .back-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 14px 40px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            margin-bottom: 30px;
            box-shadow: 0 4px 15px rgba(62, 103, 163, 0.3);
        }

        .back-btn:hover {
            background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
            transform: scale(1.05);
            box-shadow: 0 8px 25px rgba(3, 161, 128, 0.4);
        }

        .back-btn i {
            font-size: 1.1rem;
        }

        /* مربع البحث */
        .search-container {
            max-width: 500px;
            margin: 0 auto 40px;
        }

        .search-box {
            position: relative;
            width: 100%;
        }

        .search-box input {
            width: 100%;
            padding: 15px 50px 15px 20px;
            border: 2px solid #e0e0e0;
            border-radius: 50px;
            font-family: 'Tajawal', sans-serif;
            font-size: 1rem;
            transition: var(--transition);
            background: white;
        }

        .search-box input:focus {
            border-color: var(--primary-color);
            outline: none;
            box-shadow: 0 0 0 4px rgba(62, 103, 163, 0.1);
        }

        .search-box i {
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--primary-color);
            font-size: 1.2rem;
        }

        /* شبكة الدورات */
        .courses-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 25px;
            margin-top: 20px;
        }

        /* بطاقة الدورة */
        .course-card {
            background: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid rgba(62, 103, 163, 0.1);
            display: flex;
            flex-direction: column;
            backdrop-filter: blur(10px);
            background: rgba(255, 255, 255, 0.98);
        }

        .course-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(62, 103, 163, 0.15);
            border-color: var(--primary-color);
        }

        .course-image {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

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

        .course-card:hover .course-image img {
            transform: scale(1.1);
        }

        .image-placeholder {
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 3rem;
        }

        .course-status {
            position: absolute;
            top: 15px;
            right: 15px;
            background: linear-gradient(135deg, #d4edda, #c3e6cb);
            color: #155724;
            padding: 5px 15px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .course-content {
            padding: 20px;
            flex: 1;
        }

        .course-title {
            color: var(--primary-color);
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .course-description {
            color: #555;
            font-size: 0.95rem;
            margin-bottom: 15px;
            line-height: 1.6;
        }

        .course-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 15px;
        }

        .meta-item {
            background: #f8f9fa;
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 5px;
            color: #555;
        }

        .meta-item i {
            color: var(--primary-color);
        }

        .attendance-online {
            background: linear-gradient(135deg, #d1ecf1, #bee5eb);
            color: #0c5460;
        }

        .attendance-offline {
            background: linear-gradient(135deg, #fff3cd, #ffeaa7);
            color: #856404;
        }

        .course-dates {
            background: #f8f9fa;
            padding: 12px;
            border-radius: 8px;
            margin: 15px 0;
            border-right: 3px solid var(--primary-color);
        }

        .date-item {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 5px;
            font-size: 0.9rem;
        }

        .date-item i {
            color: var(--primary-color);
            width: 18px;
        }

        .member-info {
            background: #e8f4f8;
            padding: 10px;
            border-radius: 8px;
            margin: 10px 0;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
            border-right: 3px solid #3498db;
        }

        .member-info i {
            color: #3498db;
        }

        /* زر التسجيل */
        .register-btn {
            width: 100%;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            border: none;
            padding: 12px;
            border-radius: 50px;
            font-family: 'Tajawal', sans-serif;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 15px;
        }

        .register-btn:hover {
            transform: scale(1.02);
            box-shadow: 0 5px 15px rgba(62, 103, 163, 0.3);
        }

        /* النافذة المنبثقة */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            backdrop-filter: blur(5px);
            z-index: 1000;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .modal.show {
            display: flex;
        }

        .modal-content {
            background: white;
            max-width: 400px;
            width: 100%;
            border-radius: var(--border-radius);
            padding: 40px 30px;
            text-align: center;
            position: relative;
            animation: modalSlide 0.4s ease;
            box-shadow: 0 20px 40px rgba(0,0,0,0.2);
            border: 1px solid rgba(62, 103, 163, 0.1);
        }

        .modal-content::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
        }

        @keyframes modalSlide {
            from {
                opacity: 0;
                transform: translateY(-50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .modal-icon {
            width: 100px;
            height: 100px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            color: white;
            font-size: 3rem;
            box-shadow: 0 10px 20px rgba(3, 161, 128, 0.3);
        }

        .modal h3 {
            color: var(--primary-color);
            font-size: 2rem;
            margin-bottom: 15px;
        }

        .modal p {
            color: var(--text-color);
            margin-bottom: 25px;
            font-size: 1.1rem;
        }

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

        .modal-btn {
            padding: 12px 30px;
            border: none;
            border-radius: 50px;
            font-family: 'Tajawal', sans-serif;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .login-btn {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            box-shadow: 0 4px 15px rgba(62, 103, 163, 0.3);
        }

        .login-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(3, 161, 128, 0.4);
        }

        .cancel-btn {
            background: #f1f1f1;
            color: #666;
        }

        .cancel-btn:hover {
            background: #e1e1e1;
        }

        .close-modal {
            position: absolute;
            top: 15px;
            left: 15px;
            background: none;
            border: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #999;
            transition: var(--transition);
        }

        .close-modal:hover {
            color: #ff4444;
            transform: rotate(90deg);
        }

        /* حالة عدم وجود نتائج - مثل الصفحة الأولى */
        .no-results-container {
            text-align: center;
            background: white;
            border-radius: var(--border-radius);
            padding: 60px 40px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(62, 103, 163, 0.1);
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(10px);
            background: rgba(255, 255, 255, 0.98);
            max-width: 600px;
            width: 100%;
            margin: 0 auto;
        }

        .no-results-container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
        }

        .no-results-icon {
            width: 120px;
            height: 120px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 30px;
            box-shadow: 0 10px 20px rgba(3, 161, 128, 0.3);
        }

        .no-results-icon i {
            font-size: 60px;
            color: white;
        }

        .no-results-container h2 {
            color: var(--primary-color);
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .no-results-container p {
            color: var(--text-color);
            font-size: 1.2rem;
            margin-bottom: 15px;
        }

        @media (max-width: 768px) {
            .main-content {
                margin: 30px auto;
                padding: 0 15px;
            }

            .page-title h1 {
                font-size: 2.2rem;
            }

            .courses-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .modal-content {
                width: 90%;
                padding: 30px 20px;
            }

            .modal-actions {
                flex-direction: column;
            }

            .no-results-container {
                padding: 40px 25px;
            }

            .no-results-container h2 {
                font-size: 2rem;
            }

            .no-results-icon {
                width: 100px;
                height: 100px;
            }

            .no-results-icon i {
                font-size: 50px;
            }
        }

        @media (max-width: 480px) {
            .main-content {
                margin: 20px auto;
                padding: 0 10px;
            }

            .no-results-container {
                padding: 30px 20px;
            }

            .no-results-container h2 {
                font-size: 1.8rem;
            }

            .no-results-icon {
                width: 80px;
                height: 80px;
                margin-bottom: 20px;
            }

            .no-results-icon i {
                font-size: 40px;
            }

            .back-btn {
                padding: 12px 30px;
                font-size: 1rem;
            }
        }