:root{--br-green:#009b3a;--br-yellow:#ffdf00;--br-blue:#002776;--dark:#071b2c}body{background:#f4f7fb}.hero-bg{background:linear-gradient(135deg,rgba(0,39,118,.92),rgba(0,155,58,.88)),url('/static/img/copa-bg.jpg') center/cover;color:#fff}.brand-card{border:0;border-radius:1.25rem;box-shadow:0 12px 35px rgba(0,0,0,.15)}.logo-centro{max-height:74px;object-fit:contain}.btn-br{background:linear-gradient(135deg,var(--br-green),#007a31);border:0;color:white;font-weight:700}.btn-br:hover{color:white;filter:brightness(.95)}.yellow-pill{background:var(--br-yellow);color:#17335c;font-weight:800}.score-input{max-width:72px;text-align:center;font-weight:700}.game-card{border-left:5px solid var(--br-green);border-radius:1rem}.navbar-br{background:linear-gradient(90deg,var(--br-green),var(--br-blue))}.mobile-sticky{position:sticky;bottom:0;z-index:1000;background:#fff;border-top:1px solid #ddd;padding:10px}.table-responsive{font-size:.95rem}@media(max-width:576px){.score-input{max-width:58px}.h1,.display-5{font-size:1.8rem}.logo-centro{max-height:58px}.game-card .team{font-size:.95rem}}