.central-header{background:#252226;color:#fff;display:flex;justify-content:space-between;align-items:center;padding:22px 32px;gap:20px}.central-brand{color:#fff;text-decoration:none;font-size:22px;letter-spacing:1px}.central-brand strong{color:#fff101}.central-brand small{display:block;font-size:9px;letter-spacing:2px;margin-top:6px}.central-header form span{font-size:12px;margin-right:15px}.central-shell{display:grid;grid-template-columns:205px 1fr;min-height:calc(100vh - 99px)}.central-nav{padding:25px 15px;border-right:1px solid #ddd;background:white}.central-nav a{display:block;text-decoration:none;padding:12px 16px;margin:4px 0;border-radius:6px;font-size:14px}.central-nav a.selected{background:#fff101;font-weight:bold}.central-main{padding:38px;min-width:0}.central-main h1{font-size:32px}.central-card{background:white;border:1px solid #e5e1e6;border-radius:12px;padding:26px;margin:25px 0}.central-card h2{font-size:21px;margin-bottom:20px}.central-card .form-control{height:44px}.central-card td{font-size:13px}.central-card td small{color:#716d74;font-size:11px;margin-top:5px}.central-login{max-width:460px;margin:70px auto;padding:25px}.central-login p{color:#716d74;margin:20px 0 30px}.metrics{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}.metrics>div{flex:1;background:#fff;border:1px solid #ddd;border-radius:9px;padding:20px;min-width:130px}.metrics span{color:#716d74;font-size:12px}.metrics strong{display:block;font-size:32px}.replay-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:22px;margin:24px 0}.replay-card{background:white;border:1px solid #ddd;border-radius:12px;overflow:hidden}.replay-card img{width:100%;aspect-ratio:16/9;object-fit:cover}.replay-card div{padding:20px}.replay-card h3{font-size:20px}.replay-card p{font-size:12px;color:#716d74}.replay-player{width:100%;max-height:75vh;background:#111;border-radius:10px}.register-link{display:block;text-align:center;margin:24px 0;font-size:14px}.register-panel{max-width:520px;margin:40px auto;padding:28px;background:#fff;border-radius:12px}.register-panel img{height:95px;margin-bottom:25px}.register-panel .form-control{margin-bottom:18px}@media(max-width:800px){.central-shell{grid-template-columns:1fr}.central-nav{display:flex;overflow:auto;padding:9px}.central-nav a{white-space:nowrap}.central-main{padding:20px}.central-header{padding:20px}.central-header form span{display:none}.central-card{padding:18px}.central-brand{font-size:18px}}