/* صفحة المستويات العلمية */
.nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.level-indicator {
    background: var(--card-bg);
    padding: 15px 30px;
    border-radius: var(--radius-md);
    font-weight: bold;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.filter-container {
    background: var(--card-bg);
    padding: 20px;
    border-radius: var(--radius-md);
    margin-bottom: 30px;
    box-shadow: var(--shadow-sm);
}

.filter-title {
    font-size: 1.2rem;
    color: var(--text-main);
    margin-bottom: 15px;
}

.filter-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    background: var(--gray-bg);
    border: 2px solid var(--border-light);
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    color: var(--text-main);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.levels-container {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.level-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.level-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.level-header {
    padding: 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, #ecf0f1, var(--card-bg));
    border-bottom: 2px solid var(--border-light);
}

.level-info {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.level-icon {
    width: 60px;
    height: 60px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.level-title {
    font-size: 1.5rem;
    color: var(--text-main);
    margin-bottom: 5px;
}

.level-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.level-toggle {
    font-size: 1.5rem;
    color: var(--primary);
    transition: var(--transition);
}

.level-card.active .level-toggle {
    transform: rotate(180deg);
}

.sections-container {
    display: none;
    padding: 25px;
}

.level-card.active .sections-container {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.sections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.section-box {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid var(--border-light);
    transition: var(--transition);
}

.section-box:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}

.section-header {
    padding: 20px;
    background: linear-gradient(135deg, var(--gray-bg), #e9ecef);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-title {
    font-size: 1.2rem;
    color: var(--text-main);
    font-weight: 600;
}

.section-badge {
    background: var(--primary);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
}

.section-content {
    padding: 25px;
}

.section-description {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
}

.learning-resources {
    background: var(--gray-bg);
    padding: 20px;
    border-radius: 10px;
    margin-top: 20px;
}

.resources-title {
    font-size: 1.1rem;
    color: var(--text-main);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
}

.resource-item {
    background: var(--card-bg);
    padding: 15px;
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    border: 2px solid transparent;
}

.resource-item:hover {
    transform: translateY(-3px);
    border-color: var(--primary);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.resource-icon {
    font-size: 1.5rem;
}

.resource-item.book .resource-icon { color: #e74c3c; }
.resource-item.video .resource-icon { color: #3498db; }
.resource-item.audio .resource-icon { color: #9b59b6; }
.resource-item.test .resource-icon { color: #27ae60; }
.resource-item.pdf .resource-icon { color: #e67e22; }

.detailed-description {
    background: var(--primary-soft);
    padding: 30px;
    border-radius: 15px;
    border-right: 5px solid var(--primary);
    line-height: 1.8;
    color: var(--text-main);
    font-size: 1.1rem;
}

.detailed-description h3 {
    color: var(--text-main);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.elective-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.elective-item {
    background: var(--card-bg);
    padding: 15px;
    border-radius: 10px;
    border: 2px solid var(--primary-soft);
    display: flex;
    align-items: center;
    gap: 15px;
}

.elective-item i {
    color: var(--primary);
    font-size: 1.3rem;
}

.elective-item span {
    font-weight: 600;
    color: var(--text-main);
}

@media (max-width: 768px) {
    .sections-grid {
        grid-template-columns: 1fr;
    }
    .nav-bar {
        flex-direction: column;
        gap: 15px;
    }
    .level-info {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    .level-header {
        padding: 20px;
    }
}
/* تنسيقات المواد والأيقونات */
.subjects-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.subject-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--card-bg);
    padding: 12px 18px;
    border-radius: 50px;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.subject-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.subject-name {
    font-weight: 600;
    color: var(--text-main);
    font-size: 1rem;
}

.subject-media {
    display: flex;
    gap: 12px;
}

.media-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gray-bg);
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid transparent;
}

.media-link:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
}

.media-link.video:hover {
    background: #e74c3c; /* أحمر للفيديو */
    color: white;
}

.media-link.audio:hover {
    background: #9b59b6; /* أرجواني للصوت */
    color: white;
}

.media-link.pdf:hover {
    background: #e67e22; /* برتقالي للملف */
    color: white;
}

/* استجابة للجوال */
@media (max-width: 480px) {
    .subject-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        border-radius: 20px;
    }
    
    .subject-media {
        align-self: flex-end;
    }
}