.tisa{margin:1em 0;}
.tisa-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;}
.tisa-card{border:1px solid #e5e5e5;border-radius:12px;overflow:hidden;background:#fff;display:flex;flex-direction:column;}
.tisa-embed{width:100%;}
.tisa-embed-responsive{position:relative;width:100%;padding-top:56.25%; /* 16:9 */}
.tisa-embed-responsive iframe{position:absolute;inset:0;width:100%;height:100%;}
.tisa-thumb img{width:100%;height:auto;display:block;}
.tisa-body{padding:12px;display:flex;flex-direction:column;gap:8px;}
.tisa-meta{font-size:12px;opacity:.8;display:flex;flex-wrap:wrap;gap:6px;}
.tisa-title{font-size:16px;line-height:1.3;margin:0;}
.tisa-title a{text-decoration:none;}
.tisa-date{font-size:12px;opacity:.75;}
.tisa-excerpt{font-size:13px;opacity:.9;}
.tisa-empty{padding:12px;border:1px dashed #ccc;border-radius:8px;}