*{box-sizing:border-box}body{margin:0;background:#0a0b10;color:#fff;font-family:Arial,Helvetica,sans-serif}header{height:68px;padding:0 5%;display:flex;align-items:center;justify-content:space-between;background:#10121a;border-bottom:1px solid #252938;position:sticky;top:0;z-index:5}.brand{font-size:20px;font-weight:900;letter-spacing:1px}.brand span{font-weight:500;color:#9ca3af}.admin-link{color:#fff;text-decoration:none;background:#1b1f2b;border:1px solid #303646;padding:10px 14px;border-radius:10px}main{width:min(1150px,92%);margin:0 auto;padding:35px 0}.hero{margin-bottom:24px}.hero h1{margin:0 0 8px;font-size:32px}.hero p{margin:0;color:#9ca3af}.toolbar{display:flex;gap:12px;margin:20px 0}.toolbar input,.toolbar select,input{width:100%;background:#11141d;border:1px solid #303646;color:#fff;padding:13px;border-radius:10px;outline:none}.toolbar select{max-width:260px}.channels{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:16px}.channel{background:#11141d;border:1px solid #252938;border-radius:14px;overflow:hidden;cursor:pointer;transition:.2s}.channel:hover{transform:translateY(-3px);border-color:#555d72}.channel-logo{height:125px;background:#171a24;display:flex;align-items:center;justify-content:center}.channel-logo img{width:100%;height:100%;object-fit:contain}.channel-logo .placeholder{font-size:42px}.channel-info{padding:12px}.channel-info strong{display:block}.channel-info small{color:#8e96a8}.player-box{background:#050609;border:1px solid #292d3a;border-radius:14px;overflow:hidden;margin:25px 0}.player-head{display:flex;justify-content:space-between;align-items:center;padding:12px 15px;background:#11141d}.player-head button{background:none;border:0;color:#fff;font-size:18px;cursor:pointer}video{width:100%;max-height:600px;background:#000;display:block}.player-message{padding:10px;color:#fbbf24;font-size:14px}.admin-card{background:#11141d;border:1px solid #252938;border-radius:14px;padding:20px;margin-bottom:20px}form{display:grid;gap:14px}label{color:#c8ccd6;font-size:14px}label input{display:block;margin-top:7px}.form-actions{display:flex;gap:10px}.primary,.secondary,.danger,.edit,.delete{border:0;border-radius:9px;padding:11px 15px;color:#fff;cursor:pointer}.primary{background:#2563eb}.secondary,.edit{background:#303646}.danger,.delete{background:#8f2020}.list-head{display:flex;justify-content:space-between;align-items:center}.list-head h2{margin-top:0}.admin-row{display:grid;grid-template-columns:1fr auto;gap:10px;padding:13px 0;border-top:1px solid #292d39}.admin-row small{display:block;color:#8e96a8;margin-top:5px;word-break:break-all}.admin-actions{display:flex;gap:7px;align-items:center}.note{padding:15px;background:#151a25;border:1px solid #303646;border-radius:10px;color:#aeb5c3;line-height:1.5}.empty{text-align:center;color:#8991a2;padding:45px}.hidden{display:none}footer{text-align:center;color:#656d7e;padding:35px}@media(max-width:650px){.toolbar{flex-direction:column}.toolbar select{max-width:none}.channels{grid-template-columns:repeat(2,1fr)}.hero h1{font-size:26px}.admin-row{grid-template-columns:1fr}.admin-actions{justify-content:flex-start}}