.music-source{display:flex;gap:8px;margin-bottom:18px}.music-source button{flex:1;font-size:14px}.music-source button[aria-pressed=true]{background:#147dde;color:white}#youtube-tools[hidden],#file-music-area[hidden],#youtube-player-area[hidden]{display:none!important}#youtube-tools .row select{width:100%;font-size:14px}#youtube-tools .music-tools{flex-wrap:wrap}#youtube-tools button{font-size:13px}.youtube-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.youtube-head h2{font-size:19px;margin:0}.youtube-head span{font-size:13px;color:#627b97}#youtube-player-area{background:white;border:1px solid #dde5ef;border-radius:20px;padding:22px;margin-top:20px}.video-frame{width:min(100%,640px);height:360px;margin:16px auto;background:#16263e;border-radius:12px;overflow:hidden}.video-frame iframe{width:100%;height:100%;border:0}#yt-credit{font-size:13px;color:#657992}#youtube-player-area a{font-size:13px;color:#1c6ac3}dialog{border:0;border-radius:20px;padding:24px;width:min(540px,calc(100% - 28px));max-height:90dvh;overflow:auto;box-shadow:0 25px 90px #0003}dialog::backdrop{background:#17263b99}dialog h2{font-size:20px;margin:0 0 18px}.dialog-top{display:flex;align-items:center;justify-content:space-between}.dialog-top button{font-size:22px}.dialog-top h2{margin:0}dialog label{display:block;font-weight:700;font-size:14px;margin:16px 0 8px}dialog input{width:100%;padding:12px;border:1px solid #bccbdd;border-radius:8px;font-size:16px}.primary{background:#147dde;color:white}.tv.youtube-active .stage{min-height:0}.signal-note{font-size:13px;line-height:1.7;color:#60788e}.app-version{font-size:12px;color:#7e90a6}.video-frame{min-height:200px;min-width:200px}@media(max-width:720px){.video-frame{height:220px}#youtube-player-area{padding:16px}.music-source{gap:6px}.music-source button{padding:10px;font-size:13px}.youtube-head h2{font-size:16px}}