/* Sidebar styles */
.sidebar {
    background: var(--card);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.04);
    margin-bottom: 1.5rem;
}

.sidebar-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border);
}

.sidebar-content {
    font-size: 14px;
    line-height: 1.6;
    color: var(--muted);
}

.sidebar-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
}

.sidebar-list li:last-child {
    border-bottom: none;
}

.sidebar-list a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

.sidebar-list a:hover {
    color: var(--muted);
}

/* Ad placeholder */
.ad-placeholder {
    background: #f0f0f0;
    border: 2px dashed #ccc;
    border-radius: 8px;
    padding: 2rem 1rem;
    text-align: center;
    color: #999;
    font-size: 14px;
    min-height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Responsive adjustments */
@media (max-width: 991px) {
    .sidebar {
        margin-top: 2rem;
    }
}

@media (max-width: 768px) {
    .sidebar {
        margin-top: 1.5rem;
    }
}