.isb-iptv{max-width:1100px;margin:20px auto;font-family:Arial,sans-serif;color:#202124}.isb-toolbar{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:14px}.isb-toolbar label{display:flex;gap:8px;align-items:center}.isb-toolbar select,.isb-search{padding:10px;border:1px solid #ccc;border-radius:6px;max-width:100%}.isb-search{flex:1;min-width:180px}.isb-layout{display:grid;grid-template-columns:minmax(220px,32%) 1fr;gap:16px}.isb-list{max-height:560px;overflow:auto;border:1px solid #ddd;border-radius:8px}.isb-channel{display:flex;align-items:center;gap:10px;width:100%;padding:10px;border:0;border-bottom:1px solid #eee;background:#fff;text-align:left;cursor:pointer;color:inherit}.isb-channel:hover,.isb-channel.is-active{background:#eef5ff}.isb-channel img{width:48px;height:36px;object-fit:contain}.isb-channel span{overflow-wrap:anywhere}.isb-view{min-width:0}.isb-video{width:100%;aspect-ratio:16/9;background:#000;border-radius:8px}.isb-now{margin-top:8px}.isb-error{padding:12px;background:#fff0f0;color:#900;border:1px solid #e3b5b5}@media(max-width:650px){.isb-layout{grid-template-columns:1fr}.isb-list{max-height:260px}.isb-toolbar{display:block}.isb-toolbar label{margin-bottom:10px}.isb-toolbar select,.isb-search{width:100%;box-sizing:border-box}}