.bf-articles-intro{
max-width:900px;
margin:0 auto 30px;
text-align:center;
}

.bf-articles-intro h1{
font-size:32px;
margin-bottom:10px;
color:#fff;
}

.bf-articles-intro p{
font-size:16px;
color:#ccc;
line-height:1.6;
}

.bf-intro-small{
font-size:14px;
color:#999;
margin-top:6px;
}  

.bf-toolbar{
display:flex;
justify-content:space-between;
align-items:center;
margin-bottom:25px;
padding-bottom:10px;
border-bottom:1px solid #2a2a2a;
}

.bf-toolbar-title{
font-size:22px;
font-weight:700;
color:#fff;
}

.bf-toolbar-sort{
display:flex;
align-items:center;
gap:8px;
}

.bf-toolbar-sort label{
font-size:13px;
color:#aaa;
}

#bf-sort{
padding:6px 10px;
font-size:14px;
background:#1b1b1b;
color:#eee;
border:1px solid #333;
border-radius:6px;
margin-bottom:20px;
}

html{
scroll-behavior:smooth;
}

.bf-skeleton{
background:#181818;
padding:15px;
border-radius:8px;
border:1px solid #2a2a2a;
}

.bf-skeleton-thumb{
width:100%;
aspect-ratio:3/2;
border-radius:6px;
background:linear-gradient(
90deg,
#2a2a2a 25%,
#3a3a3a 37%,
#2a2a2a 63%
);
background-size:400% 100%;
animation:bf-loading 1.4s ease infinite;
margin-bottom:10px;
}

.bf-skeleton-text{
height:70px;
border-radius:4px;
background:linear-gradient(
90deg,
#2a2a2a 25%,
#3a3a3a 37%,
#2a2a2a 63%
);
background-size:400% 100%;
animation:bf-loading 1.4s ease infinite;
}

@keyframes bf-loading{
0%{background-position:100% 0}
100%{background-position:-100% 0}
}  

#bf-articles-wrapper{
max-width:1200px;
margin:30px auto;
font-family:Arial,sans-serif;
background:#121212;
color:#eee;
padding:20px;
border-radius:8px;
}

#bf-articles-list{
list-style:none;
padding-left:0;
display:grid;
grid-template-columns:1fr 1fr;
gap:25px;
}

#bf-articles-list li{
margin:0;
}

#bf-articles-list a{
font-weight:bold;
color:#0073aa;
text-decoration:none;
}

#bf-articles-list a:hover{
text-decoration:underline;
}

#bf-load-more{
display:block;
margin:0 auto;
padding:10px 25px;
font-size:16px;
background:#0073aa;
color:#fff;
border:none;
border-radius:5px;
cursor:pointer;
}

#bf-load-more:disabled{
background:#555;
cursor:not-allowed;
}

#bf-loading{
text-align:center;
color:#ccc;
display:none;
margin-bottom:15px;
}

.bf-article{
background:#181818;
padding:15px;
border-radius:8px;
border:1px solid #2a2a2a;
transition:transform .2s ease;
}

.bf-article:hover{
transform:translateY(-2px);
}

.bf-thumb{
aspect-ratio:3/2;
overflow:hidden;
border-radius:6px;
}

.bf-thumb img{
width:100%;
height:100%;
object-fit:cover;
transition:filter .35s ease;
}

.bf-thumb img.loading{
filter:blur(12px);
transform:scale(1.05);
}

.bf-thumb img.loaded{
filter:blur(0);
transform:scale(1);
}

.bf-content{
flex:1;
}

.bf-title:hover{
color:#FFD700;
}

.bf-category{
background:#FFD700;
color:#000;
padding:2px 6px;
border-radius:4px;
font-size:11px;
font-weight:600;
}

.bf-no-thumb{
width:140px;
height:90px;
background:#333;
border-radius:6px;
}

.bf-title{
display:block;
font-size:18px;
font-weight:700;
margin:6px 0;
color:#fff;
}

.bf-meta{
font-size:12px;
color:#bbb;
display:flex;
gap:10px;
margin-bottom:6px;
}

.bf-content p{
color:#ddd;
font-size:14px;
}

.bf-count{
color:#FFD700;
font-weight:700;
}

#bf-scroll-progress{
position:fixed;
top:0;
left:0;
height:6px;
width:0%;
background:#FFD700;
z-index:99999;
transition:width .15s ease;
box-shadow:0 0 10px #FFD700;
}

@media (max-width:768px){

.bf-article{
flex-direction:column;
}

#bf-articles-list{
grid-template-columns:1fr;
}

.bf-thumb img{
width:100%;
height:auto;
}

/* intro section */

.bf-articles-intro{
padding:0 10px;
margin-bottom:20px;
}

.bf-articles-intro h1{
font-size:24px;
line-height:1.3;
}

.bf-articles-intro p{
font-size:15px;
}

.bf-article:active{
transform:scale(0.98);
}

.bf-intro-small{
font-size:13px;
}

/* toolbar */

.bf-toolbar{
flex-direction:column;
align-items:flex-start;
gap:10px;
}

.bf-toolbar-title{
font-size:18px;
}

.bf-toolbar-sort{
width:100%;
}

#bf-sort{
width:100%;
}

}