/* Basic Frontend Styles for Notelix Learning Platform */

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

.nlk-breadcrumbs {
    margin-bottom: 20px;
    font-size: 14px;
    color: #666;
}

.nlk-breadcrumbs ol {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
}

.nlk-breadcrumbs li {
    margin-right: 5px;
}

.nlk-breadcrumbs a {
    color: #0073aa;
    text-decoration: none;
}

.nlk-separator {
    margin-left: 5px;
    color: #ccc;
}

.nlk-title {
    font-size: 2.5rem;
    margin-bottom: 5px;
}

.nlk-subtitle {
    font-size: 1.5rem;
    color: #555;
    margin-top: 0;
}

.nlk-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.nlk-card {
    border: 1px solid #eaeaea;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    transition: box-shadow 0.2s;
}

.nlk-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.nlk-card-image img, .nlk-item-preview img {
    width: 100%;
    height: auto;
    display: block;
}

.nlk-no-image, .nlk-no-preview {
    background: #f5f5f5;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
}

.nlk-card-content, .nlk-item-details {
    padding: 15px;
    flex: 1;
}

.nlk-card-title, .nlk-item-title {
    margin: 0 0 10px 0;
    font-size: 1.2rem;
}

.nlk-badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
}

.nlk-premium {
    background: #ffd700;
    color: #000;
}

.nlk-free-badge {
    background: #4caf50;
    color: #fff;
}

.nlk-btn-download {
    display: block;
    text-align: center;
    background: #0073aa;
    color: #fff;
    padding: 10px;
    text-decoration: none;
    border-radius: 4px;
}

.nlk-btn-lock {
    display: block;
    text-align: center;
    background: #e0e0e0;
    color: #666;
    padding: 10px;
    border: none;
    width: 100%;
}

.nlk-item-actions {
    padding: 15px;
    border-top: 1px solid #eaeaea;
}

/* Responsive Hub Layout */
.nlk-hub-layout {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.nlk-sidebar {
    width: 100%;
}

.nlk-hub-content {
    flex: 1;
}

@media (min-width: 768px) {
    .nlk-hub-layout {
        flex-direction: row;
    }
    .nlk-sidebar {
        width: 250px;
        flex-shrink: 0;
    }
}