/* Community Hub Page Specific Styles */

.community-hero-section {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url(../image/换新社区.jpg) no-repeat center center;
    background-size: cover;
    padding: 6rem 0;
    border-bottom: 5px solid var(--primary-color);
}

.community-hero-section h1 {
    color: var(--light-text);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}
.community-hero-section .lead {
    color: rgba(255,255,255,0.85);
    margin-bottom: 2rem;
}

.community-tabs .nav-link {
    font-size: 1rem;
    font-weight: 500;
    color: var(--muted-text);
    border: none;
    border-bottom: 3px solid transparent;
    padding: 0.75rem 1rem;
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}
.community-tabs .nav-link:hover {
    color: var(--primary-color);
    background-color: var(--light-bg);
}
.community-tabs .nav-link.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background-color: var(--light-text); /* Or a slightly off-white */
    box-shadow: 0 -2px 5px rgba(0,0,0,0.05);
}
.community-tabs .nav-link i {
    opacity: 0.8;
}

.post-card {
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    border: 1px solid var(--border-color);
}
.post-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow) !important; /* Use important if needed to override BS shadow */
}
.post-card .post-image {
    aspect-ratio: 4 / 3;
    object-fit: cover;
}
.post-card .post-meta .badge {
    font-size: 0.75rem;
    font-weight: 500;
}
.post-card .post-title a {
    color: var(--dark-text);
    font-family: var(--font-display);
    font-size: 1.25rem;
}
.post-card .post-title a:hover {
    color: var(--primary-color);
}
.post-card .post-excerpt {
    font-size: 0.9rem;
    color: var(--muted-text);
    display: -webkit-box;
    -webkit-line-clamp: 2; /* Limit to 2 lines */
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 0.75rem;
}
.post-card .post-author img {
    width: 30px;
    height: 30px;
}
.post-card .post-author a {
    font-weight: 500;
    font-size: 0.85rem;
}
.post-card .post-stats small {
    font-size: 0.8rem;
    color: var(--muted-text);
}
.post-card .post-stats i {
    margin-right: 0.2rem;
}

.sidebar-community .widget-title-community {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent-color); /* Use accent for sidebar title */
    color: var(--dark-text);
}
.sidebar-community .tag-cloud .tag-item {
    background-color: var(--light-bg);
    color: var(--muted-text);
    padding: 0.4em 0.8em;
    margin: 0.2rem;
    font-size: 0.85rem;
    border-radius: var(--border-radius);
    transition: background-color 0.2s ease, color 0.2s ease;
    border: 1px solid var(--border-color);
}
.sidebar-community .tag-cloud .tag-item:hover {
    background-color: var(--primary-color);
    color: var(--light-text);
    border-color: var(--primary-color);
}
.sidebar-community .user-list .user-name {
    font-weight: 500;
    font-size: 0.9rem;
}
.sidebar-community .user-list img {
    width: 40px;
    height: 40px;
}

.load-more-btn {
    font-weight: 500;
}

/* Ensure content area has some padding if tabs content is empty */
.tab-content > .tab-pane:empty {
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}