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

/* Body and general styling */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f4f4f4;
    color: #333;
    padding: 20px;
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: 30px;
    padding: 0 10px;
}

.hero h1 {
    color: #4CAF50;
    font-size: 2rem;
}

.hero p {
    font-size: 1.1rem;
    margin-top: 10px;
}

/* Search Bar Styling */
.search-container {
    text-align: center;
    margin-bottom: 30px;
    padding: 0 10px;
}

#searchBar {
    padding: 10px;
    font-size: 1rem;
    width: 100%;
    max-width: 600px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

/* Library Section */
.library {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 20px;
    padding: 0 10px;
}

.pdf-item {
    background-color: white;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.pdf-item h3 {
    color: #4CAF50;
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.pdf-item p {
    font-size: 1rem;
    line-height: 1.5;
}

.pdf-link {
    display: inline-block;
    margin-top: 10px;
    color: #4CAF50;
    text-decoration: underline;
    font-weight: bold;
}

.pdf-link:hover {
    color: #45a049;
}

/* Add Resource Form Styling */
.add-resource {
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    border: 1px solid #ddd;
    margin-top: 30px;
    padding: 15px;
}

.add-resource h2 {
    color: #4CAF50;
    margin-bottom: 20px;
}

.add-resource .form-group {
    margin-bottom: 15px;
}

.add-resource label {
    font-size: 1rem;
    display: block;
    margin-bottom: 10px;
}

.add-resource input[type="text"], 
.add-resource input[type="file"] {
    width: 100%;
    padding: 10px;
    font-size: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.add-resource button {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 1.1rem;
    border-radius: 5px;
    cursor: pointer;
    width: 100%;
}

.add-resource button:hover {
    background-color: #45a049;
}

/* Footer Styling */
footer {
    text-align: center;
    font-size: 1rem;
    margin-top: 40px;
    padding: 20px;
    background-color: #f1f1f1;
    border-top: 2px solid #ddd;
    border-radius: 5px;
}

/* Responsive Design */

/* Tablets */
@media (min-width: 768px) {
    .library {
        grid-template-columns: 1fr 1fr;
    }
}

/* Desktops */
@media (min-width: 1024px) {
    .library {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

/* Mobile adjustments */
@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .hero h1 {
        font-size: 1.6rem;
    }

    .hero p {
        font-size: 1rem;
    }

    #searchBar {
        width: 100%;
        font-size: 0.95rem;
    }

    .pdf-item h3 {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 8px;
    color: #4CAF50;
    border-bottom: 2px solid #4CAF50;
    padding-bottom: 3px;
}

.pdf-item.external {
    border-left: 4px solid #FF9800; /* Orange for external */
}

.pdf-item.local {
    border-left: 4px solid #4CAF50; /* Green for local PDFs */
}

.pdf-link {
    display: inline-block;
    margin-top: 8px;
    font-weight: bold;
    text-decoration: underline;
    color: #007BFF;
}

.pdf-link:hover {
    color: #0056b3;
}


    .add-resource {
        padding: 15px;
    }

    .add-resource button {
        font-size: 1rem;
    }
}