main{max-width:1100px;margin:auto;padding:24px} .tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.panel{padding:24px;border:1px solid #d9e2df;border-radius:16px;background:white}label{display:block;margin:16px 0 6px}input,select,button{max-width:100%;padding:10px;font:inherit}input[type=number]{width:130px}video,img{max-width:100%;max-height:360px}#status{white-space:pre-wrap}nav{display:flex;gap:18px;flex-wrap:wrap}table{width:100%;overflow-wrap:anywhere}td,th{text-align:left;padding:8px;border-bottom:1px solid #ddd}@media(max-width:700px){.tool-grid{grid-template-columns:1fr}main{padding:14px}.panel{padding:16px}}