blockquote[data-embed]{
  border:1px dashed #2d333d;
  padding:8px 10px;
  border-radius:6px;
  background:#0c0f14;
  color:#dfe7ef;
}

.embed-youtube, .embed-vimeo{
  position:relative; padding-top:56.25%;
  background:#000; border-radius:8px; overflow:hidden; margin:16px 0;
}
.embed-youtube iframe, .embed-vimeo iframe{
  position:absolute; top:0; left:0; width:100%; height:100%; border:0;
}
.link-card{
  border:1px solid #272a33; background:#0d0f14;
  border-radius:8px; padding:10px 12px; margin:12px 0;
  word-break:break-word;
}

/* 16:9 önizleme kartı */
.yt-preview, .embed-youtube{
  position:relative; padding-top:56.25%;
  background:#000; border-radius:8px; overflow:hidden; margin:16px 0;
}
.yt-preview img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover; filter:brightness(0.9);
}
.yt-preview .yt-play{
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  width:68px; height:48px; border:0; border-radius:12px; background:rgba(0,0,0,.6); cursor:pointer;
}
.yt-preview .yt-play::before{
  content:''; display:block; margin-left:8px; width:0; height:0;
  border-left:18px solid #fff; border-top:12px solid transparent; border-bottom:12px solid transparent;
}
.yt-preview .yt-open{
  position:absolute; right:8px; bottom:8px; font-size:12px; color:#fff; text-decoration:none; opacity:.85;
}
.embed-youtube iframe{
  position:absolute; inset:0; width:100%; height:100%; border:0;
}