/* Research Papers Directory Styles */
.directory-section {
    padding: 6rem 0;
    background-color: var(--bg-color-light);
}

.directory-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.directory-header {
    text-align: center;
    margin-bottom: 3rem;
}

.directory-header h1 {
    font-size: 2.5rem;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.directory-header p {
    font-size: 1.1rem;
    color: var(--text-color-light);
    max-width: 800px;
    margin: 0 auto;
}

.directory-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    padding: 0.8rem 1.5rem;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius-md);
    background: transparent;
    color: var(--primary-color);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.directory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.paper-card {
    background: var(--bg-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-medium);
    border: 1px solid var(--gray-200);
}

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

.paper-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.paper-content {
    padding: 1.5rem;
}

.paper-category {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(53, 99, 233, 0.1);
    color: var(--primary-color);
    border-radius: var(--border-radius-full);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.paper-title {
    font-size: 1.2rem;
    color: var(--dark-color);
    margin-bottom: 0.8rem;
    line-height: 1.4;
}

.paper-meta {
    display: flex;
    gap: 1rem;
    color: var(--text-color-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.paper-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.paper-description {
    color: var(--text-color-light);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.paper-actions {
    display: flex;
    gap: 1rem;
}

.paper-btn {
    flex: 1;
    padding: 0.8rem;
    border-radius: var(--border-radius-md);
    text-align: center;
    font-weight: 500;
    transition: var(--transition-fast);
}

.paper-btn.primary {
    background: var(--primary-color);
    color: var(--light-color);
}

.paper-btn.secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.paper-btn:hover {
    transform: translateY(-2px);
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.page-btn {
    padding: 0.8rem 1.2rem;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius-md);
    background: transparent;
    color: var(--primary-color);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.page-btn:hover,
.page-btn.active {
    background: var(--primary-color);
    color: var(--light-color);
}

/* Responsive Styles */
@media (max-width: 768px) {
    .directory-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.5rem;
    }

    .paper-card {
        margin-bottom: 1.5rem;
    }

    .directory-filters {
        flex-wrap: wrap;
    }

    .filter-btn {
        padding: 0.6rem 1.2rem;
    }
}

@media (max-width: 576px) {
    .directory-header h1 {
        font-size: 2rem;
    }

    .paper-image {
        height: 180px;
    }

    .paper-content {
        padding: 1.2rem;
    }

    .paper-title {
        font-size: 1.1rem;
    }

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

/* Canadian Academic Resources Page Styles */

.directory-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.directory-header {
    text-align: center;
    margin-bottom: 50px;
}

.directory-header h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 20px;
    font-weight: 700;
}

.directory-header h1 span {
    color: #3498db;
    position: relative;
}

.directory-header h1 span::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background: #3498db;
    border-radius: 2px;
}

.directory-header p {
    font-size: 1.1rem;
    color: #6c757d;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.directory-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 20px;
    border: 2px solid #3498db;
    border-radius: 25px;
    background: transparent;
    color: #3498db;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: #3498db;
    color: white;
}

.directory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 20px;
}

.paper-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    overflow: hidden;
}

.paper-card:hover {
    transform: translateY(-5px);
}

.paper-content {
    padding: 30px;
}

.paper-title {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 20px;
    font-weight: 600;
}

.paper-description {
    color: #6c757d;
    line-height: 1.6;
    margin-bottom: 25px;
}

.coming-soon-features {
    list-style: none;
    padding: 0;
    margin: 25px 0;
}

.coming-soon-features li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    color: #2c3e50;
    font-size: 1.1rem;
}

.coming-soon-features li i {
    color: #3498db;
    margin-right: 10px;
    font-size: 1.2rem;
}

.coming-soon-note {
    background: #e3f2fd;
    padding: 15px;
    border-radius: 10px;
    color: #1976d2;
    font-weight: 500;
    text-align: center;
    margin-top: 20px;
}

/* Newsletter Section Styles */
.footer-form {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.footer-form input[type="email"] {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 25px;
    font-size: 0.9rem;
    transition: border-color 0.3s ease;
}

.footer-form input[type="email"]:focus {
    border-color: #3498db;
    outline: none;
}

.footer-form .btn {
    padding: 12px 25px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.footer-form .btn:hover {
    background: #2980b9;
}

/* Responsive Design */
@media (max-width: 768px) {
    .directory-header h1 {
        font-size: 2rem;
    }

    .directory-filters {
        flex-direction: column;
        align-items: center;
    }

    .filter-btn {
        width: 100%;
        max-width: 300px;
    }

    .directory-grid {
        grid-template-columns: 1fr;
    }

    .footer-form {
        flex-direction: column;
    }

    .footer-form .btn {
        width: 100%;
    }
}

/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.paper-card {
    animation: fadeIn 0.5s ease-out;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #3498db;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2980b9;
}