/* Feed View specific styles */

#feed-view {
    padding: 24px;
    max-width: 1600px;
    margin: 0 auto;
}

.masonry-grid {
    column-count: 1;
    column-gap: 24px;
    padding: 20px 0;
}

@media (min-width: 600px) {
    .masonry-grid {
        column-count: 2;
    }
}

@media (min-width: 900px) {
    .masonry-grid {
        column-count: 3;
    }
}

@media (min-width: 1200px) {
    .masonry-grid {
        column-count: 4;
    }
}

@media (min-width: 1500px) {
    .masonry-grid {
        column-count: 5;
    }
}

.worksheet-card {
    background: var(--surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    break-inside: avoid;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    position: relative;
    display: inline-block;
    width: 100%;
}

.worksheet-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-image-wrapper {
    position: relative;
    width: 100%;
    /* random heights for masonry effect are set via JS inline styles, but here's a fallback */
    min-height: 200px;
    background: #f0f0f0;
    overflow: hidden;
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity 0.2s;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 16px;
}

.worksheet-card:hover .card-overlay {
    opacity: 1;
}

.btn-save-card {
    align-self: flex-end;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 16px;
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transform: translateY(-10px);
    transition: transform 0.2s ease-out, background 0.2s;
}

.worksheet-card:hover .btn-save-card {
    transform: translateY(0);
}

.btn-save-card:hover {
    background: var(--hover-color);
}

.card-info {
    padding: 12px 16px 16px;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-main);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
}

.card-author {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.author-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #ccc;
    object-fit: cover;
}