body{font-family:Arial,Helvetica,sans-serif;margin:20px}
h1{margin-bottom:12px}
nav a{margin-right:12px}
.list-container{max-height:60vh;overflow-y:auto;border:1px solid #ddd}
.video-table{border-collapse:collapse;width:100%}
.video-table th,.video-table td{border:1px solid #ddd;padding:6px 8px;text-align:left}
.video-table thead{position:sticky;top:0;background:#fafafa}
.row{margin-bottom:10px}
.row label{display:inline-block;width:180px}
.error{color:#b00020;margin-bottom:10px}
button{cursor:pointer}