:root{color-scheme:dark;font-family:system-ui,sans-serif;background:#0a101b;color:#e8edf6}body{margin:0}header{display:flex;gap:18px;align-items:center;padding:28px 6%;border-bottom:1px solid #293448;background:#101b2b}h1{font-size:26px;margin:0}p{color:#adbbcf;line-height:1.6}.badge{padding:14px;background:#157b79;border-radius:12px;font-weight:800}main{max-width:1200px;margin:30px auto;padding:0 20px;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}section{padding:24px;background:#111d2e;border:1px solid #293950;border-radius:16px}h2{margin-top:0;font-size:21px}label{display:block;margin:14px 0;color:#c8d5e8}input{box-sizing:border-box;width:100%;padding:12px;margin-top:7px;border:1px solid #425574;border-radius:7px;background:#0a1321;color:white}button{background:#187b79;color:white;border:0;border-radius:7px;padding:12px 18px;margin:4px 6px 4px 0;cursor:pointer}button:disabled{opacity:.5;cursor:default}video{width:100%;max-height:430px;background:#05080d;border-radius:8px}#preview{max-height:220px}.session{border-top:1px solid #334058;padding:12px 0}.session strong{display:block}.session small{color:#9eafc9}#player{grid-column:1/-1}[hidden]{display:none!important}

select{width:100%;padding:12px;margin-top:7px;background:#0a1321;color:white;border:1px solid #425574;border-radius:7px}#audioCheck{border:1px solid #425574;padding:12px;margin:12px 0;border-radius:7px}#audioCheck meter{display:block;width:100%;height:16px;margin:8px 0}#audioCheck span{font-size:12px;color:#adbbcf}#audioWarning{font-size:13px;color:#f3cb82}