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var(--tema-color);font-family:Orbitron,sans-serif;font-size:10rem;font-weight:900;animation:1s ease-in-out latidoHolografico;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.aura-header{-webkit-backdrop-filter:blur(16px);z-index:100;background:#0f0f1466;border-bottom:1px solid #ffffff1a;justify-content:space-between;align-items:center;padding:1rem 3rem;display:flex;position:relative;box-shadow:0 10px 30px #00000080}.aura-title{color:#fff;letter-spacing:2px;text-transform:uppercase;text-shadow:0 0 5px #ffffff80, 0 0 15px var(--tema-color), 0 0 30px var(--tema-color);font-family:Orbitron,sans-serif;font-size:2rem;font-weight:800}.btn-cyber{color:var(--tema-color,#0ff);letter-spacing:1px;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);cursor:pointer;background:#0000004d;border:1px solid #fff3;border-radius:8px;padding:.6rem 1.5rem;font-family:Rajdhani,sans-serif;font-size:1.2rem;font-weight:700;transition:all .3s cubic-bezier(.25,.8,.25,1);box-shadow:0 0 10px #00000080}.btn-cyber:hover{background:var(--tema-color,#0ff);color:#000;border:1px solid var(--tema-color,#0ff);box-shadow:0 0 20px var(--tema-color,#0ff), 0 0 40px var(--tema-color,#0ff);transform:translateY(-2px)}.lobby-container{color:#fff;background:radial-gradient(circle,#1a1f3a 0%,#090c1b 100%);flex-direction:column;align-items:center;width:100vw;min-height:100vh;padding:2rem;font-family:Rajdhani,sans-serif;display:flex}.lobby-header{text-align:center;margin-bottom:3rem;animation:.8s ease-out slideDown}.lobby-title{color:#0000;background:linear-gradient(90deg,#00ff41,#0ff);text-shadow:0 0 30px #00ff414d;-webkit-background-clip:text;background-clip:text;margin-bottom:.5rem;font-family:Orbitron,sans-serif;font-size:3.5rem;font-weight:900}.lobby-subtitle{color:#8e8e93;letter-spacing:2px;text-transform:uppercase;font-size:1.2rem}.disciplinas-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;width:100%;max-width:1200px;animation:1s ease-out .3s backwards fadeInUp;display:grid}.disciplina-card{-webkit-backdrop-filter:blur(15px);text-align:left;cursor:pointer;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:20px;flex-direction:column;gap:1rem;padding:2rem;transition:all .4s cubic-bezier(.175,.885,.32,1.275);display:flex;position:relative;overflow:hidden}.disciplina-card:hover{border-color:var(--tema-color);box-shadow:0 15px 30px -10px #00000080, 0 0 20px -5px var(--tema-color), inset 0 0 20px -15px var(--tema-color);background:#ffffff1a;transform:translateY(-10px)scale(1.02)}.card-header{justify-content:space-between;align-items:center;display:flex}.card-icono{filter:drop-shadow(0 0 10px #ffffff4d);font-size:3rem}.card-avatars-badge{border:1px solid var(--tema-color);color:var(--tema-color);background:#0000004d;border-radius:10px;padding:.3rem .6rem;font-family:Orbitron,sans-serif;font-size:.8rem}.card-titulo{color:#fff;font-family:Orbitron,sans-serif;font-size:1.5rem;font-weight:700}.card-subtitulo{color:var(--tema-color);text-transform:uppercase;letter-spacing:1px;font-size:.9rem;font-weight:700}.card-descripcion{color:#ffffffb3;font-size:1rem;line-height:1.5}@keyframes slideDown{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@media (width<=768px){.lobby-title{font-size:2.5rem}.disciplinas-grid{grid-template-columns:1fr}}.selector-overlay{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:10000;background:#000000f2;justify-content:center;align-items:center;animation:.3s fadeIn;display:flex;position:fixed;inset:0}.selector-modal{border:3px solid var(--tema-color,#0ff);width:90%;max-width:1000px;max-height:85vh;box-shadow:0 0 50px var(--tema-color), 0 0 100px #000c;background:linear-gradient(135deg,#0a0e27 0%,#1a1f3a 100%);border-radius:20px;flex-direction:column;animation:.4s cubic-bezier(.68,-.55,.265,1.55) slideUp;display:flex;overflow:hidden}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(100px)scale(.9)}to{opacity:1;transform:translateY(0)scale(1)}}.selector-header{border-bottom:2px solid var(--tema-color);background:#0009;justify-content:space-between;align-items:center;padding:1.5rem 2rem;display:flex}.selector-titulo{color:var(--tema-color);text-shadow:0 0 20px var(--tema-color);margin:0;font-family:Orbitron,sans-serif;font-size:1.8rem}.selector-subtitulo{color:#aaa;margin:.3rem 0 0;font-family:Rajdhani,sans-serif;font-size:1.1rem}.btn-cerrar{color:#ff0844;cursor:pointer;background:#ff084433;border:2px solid #ff0844;border-radius:50%;width:40px;height:40px;font-family:Orbitron,sans-serif;font-size:1.5rem;transition:all .3s}.btn-cerrar:hover{color:#fff;background:#ff0844;transform:rotate(90deg)}.selector-breadcrumb{background:#0006;justify-content:center;align-items:center;gap:1rem;padding:1rem 2rem;font-family:Rajdhani,sans-serif;font-size:1.1rem;display:flex}.selector-breadcrumb span{color:#ffffff80;border:2px solid #fff3;border-radius:20px;padding:.5rem 1rem;transition:all .3s}.selector-breadcrumb span.activo{border-color:var(--tema-color);color:var(--tema-color);background:rgba(var(--tema-color-rgb,0, 255, 255), .1);box-shadow:0 0 15px var(--tema-color)}.selector-breadcrumb span.completado{color:#00ff41;border-color:#00ff41}.selector-breadcrumb .separador{color:#ffffff4d;border:none;padding:0}.selector-contenido{flex:1;padding:2rem;overflow-y:auto}.paso-titulo{color:var(--tema-color);text-shadow:0 0 15px var(--tema-color);justify-content:space-between;align-items:center;margin:0 0 1.5rem;font-family:Orbitron,sans-serif;font-size:1.5rem;display:flex}.contador-seleccion{color:#aaa;font-family:Rajdhani,sans-serif;font-size:1rem}.loading-spinner{flex-direction:column;justify-content:center;align-items:center;gap:1rem;min-height:300px;display:flex}.spinner{border:5px solid #ffffff1a;border-top-color:var(--tema-color);border-radius:50%;width:60px;height:60px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-spinner p{color:#aaa;font-family:Rajdhani,sans-serif;font-size:1.2rem}.opciones-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem;display:grid}.opcion-card{cursor:pointer;background:#0009;border:2px solid #fff3;border-radius:15px;flex-direction:column;align-items:center;gap:.5rem;padding:1.5rem;font-family:Rajdhani,sans-serif;transition:all .3s;display:flex}.opcion-card:hover{border-color:var(--tema-color);background:rgba(var(--tema-color-rgb,0, 255, 255), .1);box-shadow:0 10px 30px var(--tema-color);transform:translateY(-5px)}.opcion-icono{font-size:2.5rem}.opcion-texto{color:#fff;text-align:center;font-size:1.2rem;font-weight:700}.alumnos-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem;margin-bottom:2rem;display:grid}.alumno-card{cursor:pointer;background:#0009;border:2px solid #fff3;border-radius:12px;align-items:center;gap:1rem;padding:1rem;font-family:Rajdhani,sans-serif;transition:all .3s;display:flex;position:relative}.alumno-card:hover:not(.deshabilitado){border-color:var(--tema-color);background:rgba(var(--tema-color-rgb,0, 255, 255), .1);box-shadow:0 5px 20px var(--tema-color);transform:translateY(-3px)}.alumno-card.seleccionado{border-color:var(--tema-color);background:rgba(var(--tema-color-rgb,0, 255, 255), .2);box-shadow:0 0 30px var(--tema-color)}.alumno-card.deshabilitado{opacity:.3;cursor:not-allowed}.alumno-avatar{background:rgba(var(--tema-color-rgb,0, 255, 255), .2);border:2px solid var(--tema-color);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:50px;height:50px;font-size:1.5rem;display:flex}.alumno-card.seleccionado .alumno-avatar{background:var(--tema-color);color:#000;font-weight:700}.alumno-info{flex-direction:column;flex:1;gap:.3rem;display:flex}.alumno-nombre{color:#fff;font-size:1.2rem;font-weight:700}.alumno-puntos{color:#aaa;font-size:.9rem}.posicion-badge{background:var(--tema-color);color:#000;width:35px;height:35px;box-shadow:0 0 15px var(--tema-color);border:2px solid #000;border-radius:50%;justify-content:center;align-items:center;font-size:1rem;font-weight:700;display:flex;position:absolute;top:-10px;right:-10px}.botones-footer{justify-content:space-between;gap:1rem;margin-top:1rem;display:flex}.btn-volver{color:#fff;cursor:pointer;background:#ffffff1a;border:2px solid #ffffff4d;border-radius:10px;padding:.8rem 1.5rem;font-family:Rajdhani,sans-serif;font-size:1.1rem;font-weight:700;transition:all .3s}.btn-volver:hover{background:#fff3;border-color:#fff}.btn-confirmar{background:var(--tema-color);border:2px solid var(--tema-color);color:#000;cursor:pointer;box-shadow:0 0 30px var(--tema-color);text-transform:uppercase;border-radius:10px;padding:.8rem 2rem;font-family:Orbitron,sans-serif;font-size:1.1rem;font-weight:700;transition:all .3s}.btn-confirmar:hover:not(:disabled){box-shadow:0 5px 40px var(--tema-color);transform:translateY(-3px)}.btn-confirmar:disabled{opacity:.5;cursor:not-allowed}.seleccion-preview{border-top:2px solid var(--tema-color);background:#000c;padding:1rem 2rem}.seleccion-preview h4{color:#aaa;margin:0 0 .8rem;font-family:Rajdhani,sans-serif;font-size:1.1rem}.preview-lista{flex-wrap:wrap;gap:1rem;display:flex}.preview-item{background:rgba(var(--tema-color-rgb,0, 255, 255), .1);border:2px solid var(--tema-color);border-radius:20px;align-items:center;gap:.5rem;padding:.5rem 1rem;font-family:Rajdhani,sans-serif;display:flex}.preview-numero{background:var(--tema-color);color:#000;border-radius:50%;justify-content:center;align-items:center;width:25px;height:25px;font-size:.9rem;font-weight:700;display:flex}.preview-nombre{color:#fff;font-size:1.1rem;font-weight:700}.preview-quitar{color:#ff0844;cursor:pointer;background:#ff084433;border:1px solid #ff0844;border-radius:50%;width:20px;height:20px;font-size:.8rem;transition:all .2s}.preview-quitar:hover{color:#fff;background:#ff0844}.mensaje-vacio{text-align:center;color:#666;padding:3rem;font-family:Rajdhani,sans-serif;font-size:1.2rem}@media (width<=768px){.selector-modal{width:95%;max-height:90vh}.selector-header{padding:1rem}.selector-titulo{font-size:1.3rem}.opciones-grid,.alumnos-grid{grid-template-columns:1fr}.botones-footer{flex-direction:column}.selector-breadcrumb{padding:.8rem 1rem;font-size:.9rem}}