body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(to bottom, #f5f7fa, #c3cfe2); /* Soft gradient background */
    font-size: 14px; /* Reduced font size for better scaling */
    color: #333; /* Consistent text color */
}

header {
    background: linear-gradient(135deg, #6a11cb, #2575fc); /* Vibrant gradient */
    color: white;
    padding: 0.8rem 0; /* Balanced padding */
    text-align: center;
}

header .container {
    max-width: 100%; 
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-size: 1.8rem;
    margin: 0;
    width: 100%;
    word-wrap: break-word;
}

header nav ul {
    list-style-type: none;
    display: none; /* Hidden by default for mobile */
    flex-direction: column;
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    padding: 0;
    margin: 0;
    z-index: 10;
}

header nav ul.show {
    display: flex; /* Show menu when toggled */
}

header nav a {
    color: white;
    text-decoration: none;
    font-size: 14px;
    padding: 10px 20px;
    display: block;
}

header nav a:hover {
    text-decoration: underline;
    color: #ffcc80; /* Hover effect */
}

.menu-icon {
    display: block;
    cursor: pointer;
    font-size: 20px;
    padding: 5px;
}

.search-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

#search-bar {
    padding: 5px;
    width: 90%;
    max-width: 300px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

#search-btn {
    padding: 5px;
    background-color: #6a11cb;
    border: none;
    color: white;
    cursor: pointer;
    border-radius: 5px;
}

.section {
    width: 95%;
    margin: 20px auto;
    padding: 15px;
    background-color: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

.subject-list, .resource-list {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.subject-item, .resource-item {
    width: 100%;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #d4e1f5, #f2f8ff);
    padding: 10px;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

.subject-item h3 {
    color: #2575fc;
    font-size: 16px;
}

.subject-item ul {
    list-style-type: none;
    padding: 0;
}

.subject-item li {
    margin: 5px 0;
}

.subject-item a {
    color: #333;
    text-decoration: none;
    font-size: 14px;
}

.subject-item a:hover {
    color: #6a11cb;
}

.resource-item a {
    color: #0056b3;
    text-decoration: none;
    font-size: 14px;
    font-weight: bold;
    background-color: #eaf5ff;
    padding: 8px 15px;
    border-radius: 5px;
    display: inline-block;
}

.resource-item a:hover {
    background-color: #cce7ff;
    color: #003e82;
    text-decoration: underline;
}

.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #6a11cb;
    color: white;
    border: none;
    padding: 10px 15px;
    cursor: pointer;
    display: none;
    border-radius: 50%;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

footer {
    background-color: #003366;
    color: white;
    text-align: center;
    padding: 10px;
    margin-top: 20px;
    border-top: 3px solid #2575fc;
}

footer p {
    margin: 0;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
    }

    header h1 {
        font-size: 1.5rem;
    }

    nav ul {
        flex-direction: column;
    }

    .subject-item, .resource-item {
        width: 100%;
    }

    #search-bar {
        width: 90%;
    }
}