:root{--pangea-azul: #1565c0;--pangea-rojo: #d32f2f;--pangea-amarillo:#f9a825;--pangea-verde: #2e7d32;--pangea-oscuro: #0d1b2a;--fifa-oro: #f9a825}body{background:#0d1b2a;font-family:Segoe UI,system-ui,sans-serif;min-height:100vh}#root{min-height:100vh;background:linear-gradient(180deg,#1565c0,#1e7fe0,#4da3f5 300px,#dce8f8 500px,#f0f4f8 660px);background-attachment:fixed}.navbar-quiniela{background:#1565c0;box-shadow:0 2px 12px #00000059;border-bottom:3px solid var(--pangea-amarillo)}.navbar-quiniela .nav-link{color:#ffffffd1!important;font-weight:600}.navbar-quiniela .nav-link:hover{color:var(--pangea-amarillo)!important}.navbar-quiniela .nav-link.active{color:var(--pangea-amarillo)!important;font-weight:700}.hero-banner{background:linear-gradient(135deg,var(--pangea-oscuro) 0%,var(--pangea-azul) 50%,#1976d2 100%);color:#fff;padding:3.5rem 1rem;text-align:center;position:relative;overflow:hidden}.hero-banner:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 70% 30%,rgba(249,168,37,.15) 0%,transparent 60%),radial-gradient(circle at 20% 80%,rgba(211,47,47,.15) 0%,transparent 50%);pointer-events:none}.hero-banner h1{font-size:2.5rem;font-weight:800;text-shadow:0 2px 6px rgba(0,0,0,.4)}.hero-banner p{font-size:1.1rem;opacity:.9}.partido-card{border:none;border-radius:12px;box-shadow:0 2px 8px #00000014;transition:transform .15s,box-shadow .15s}.partido-card:hover{transform:translateY(-2px);box-shadow:0 6px 16px #0000001f}.partido-card .equipo{font-weight:700;font-size:1rem}.partido-card .vs{color:#999;font-size:.85rem}.btn-pronostico{border-radius:20px;font-size:.8rem;font-weight:600;padding:.3rem .9rem;border:2px solid #dee2e6;background:#fff;color:#555;transition:all .15s}.btn-pronostico:hover{border-color:var(--pangea-azul);color:var(--pangea-azul)}.btn-pronostico.seleccionado{background:var(--pangea-azul);color:#fff;border-color:var(--pangea-azul)}.btn-pronostico.correcto{background:var(--pangea-verde);color:#fff;border-color:var(--pangea-verde)}.btn-pronostico.incorrecto{background:var(--pangea-rojo);color:#fff;border-color:var(--pangea-rojo)}.btn-pronostico:disabled{opacity:.6;cursor:not-allowed}.partido-cerrado{opacity:.7}.badge-cerrado{background:#6c757d;font-size:.7rem}.ranking-table .pos-1{background:#fff8e1}.ranking-table .pos-2{background:#f5f5f5}.ranking-table .pos-3{background:#fff3e0}.medal-1{color:#f5a623;font-size:1.3rem}.medal-2{color:#9e9e9e;font-size:1.3rem}.medal-3{color:#cd7f32;font-size:1.3rem}.tombola-container{background:linear-gradient(135deg,#1a1a2e,#16213e);border-radius:16px;padding:2rem;color:#fff;text-align:center}.tombola-bola{width:120px;height:120px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1rem;text-align:center;padding:.5rem;animation:girar .5s ease-in-out;cursor:pointer;transition:transform .2s}.tombola-bola:hover{transform:scale(1.05)}@keyframes girar{0%{transform:rotate(-10deg) scale(.9)}50%{transform:rotate(10deg) scale(1.05)}to{transform:rotate(0) scale(1)}}.bola-ganador{background:linear-gradient(135deg,var(--fifa-oro),#e67e00);box-shadow:0 0 30px #f5a62399}.bola-normal{background:linear-gradient(135deg,#2196f3,#0d47a1)}.nav-fases .nav-link{color:#555;border-radius:20px;padding:.4rem 1rem}.nav-fases .nav-link.active{background:var(--pangea-azul);color:#fff}@media (max-width: 576px){.hero-banner h1{font-size:1.6rem}.partido-card{margin-bottom:.75rem}}