*{box-sizing:border-box}html,body{margin:0;background:#1b1b1f;color:#fff;font-family:ui-rounded,"SF Pro Rounded",system-ui,-apple-system,sans-serif}
body{background:repeating-linear-gradient(180deg,transparent 0 60px,rgba(255,255,255,.08) 60px 64px) center/4px 100% no-repeat,#1f1f24;min-height:100vh;padding:env(safe-area-inset-top) 14px 30px}
.meta-top{height:22px;margin:0 -14px 10px;background:repeating-conic-gradient(#fff 0 25%,#111 0 50%) 0 0/22px 22px}
main{max-width:560px;margin:0 auto}
h1{font-size:2.4rem;margin:6px 0 2px;text-align:center}h2{color:#ffd23f;text-align:center;margin:0 0 16px;font-size:1.2rem}
.auto-top{display:block;margin:0 auto;width:200px}
.perfiles{display:grid;gap:14px;margin-top:20px}
.btn,.perfil{border:4px solid #e2231a;border-radius:18px;background:#2a2a30;color:#fff;font-size:1.5rem;font-weight:800;padding:18px;width:100%;cursor:pointer}
.perfil{display:flex;align-items:center;gap:14px}.perfil span{font-size:2.2rem}
.pin{display:flex;justify-content:center;gap:10px;margin:18px 0}.pin i{width:18px;height:18px;border-radius:50%;border:3px solid #ffd23f}.pin i.on{background:#ffd23f}
.teclado{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.teclado button{font-size:2rem;padding:16px;border-radius:16px;border:0;background:#33333a;color:#fff;font-weight:800}
.error{color:#ff8a80;text-align:center;font-weight:700;min-height:1.4em}
.materias{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.materia{border:4px solid #e2231a;border-radius:16px;padding:10px 6px 12px;text-align:center;color:#fff;font-weight:800;font-size:1rem;cursor:pointer;position:relative}
.materia.lectura{background:#f07c1a}.materia.matematicas{background:#1f5fd1}.materia.palabras{background:#7b3fc4}.materia.refuerzo{background:#17a34a}
.materia.vacia{filter:grayscale(1) brightness(.6)}.materia .play{display:inline-grid;place-items:center;width:58px;height:58px;border-radius:50%;background:#ffd23f;color:#111;font-size:1.6rem;margin-top:6px}
.materia .cuenta{position:absolute;top:6px;right:8px;font-size:.8rem;background:rgba(0,0,0,.35);padding:2px 6px;border-radius:9px}
.carrera{margin:22px 0 6px;text-align:center;font-weight:800}
.pista{position:relative;height:64px;border-radius:32px;background:#333 repeating-linear-gradient(90deg,transparent 0 22px,#fff 22px 40px) center/100% 4px no-repeat;border:5px solid #b5651d;margin:8px 0}
.pista .meta{position:absolute;right:24px;top:0;bottom:0;width:16px;background:repeating-conic-gradient(#fff 0 25%,#111 0 50%) 0 0/8px 8px}
.pista .trofeo{position:absolute;right:-6px;top:-34px;font-size:2rem}
.pista .carro{position:absolute;top:6px;width:80px;transition:left 1.2s cubic-bezier(.3,1.4,.5,1)}
.entregas h3{text-align:center;margin:22px 0 10px}.entrega{background:#2a2a30;border:3px solid #ffd23f;border-radius:14px;padding:10px 12px;margin-bottom:8px}
.entrega b{color:#ffd23f}.lista .audio{display:flex;align-items:center;gap:12px;background:#2a2a30;border-radius:14px;padding:12px;margin:10px 0;border:3px solid #444}
.lista .audio.ok{border-color:#3fbf5f}.lista .audio button{min-width:64px;height:64px;border-radius:50%;border:0;background:#ffd23f;font-size:1.6rem}
audio{width:100%;margin-top:12px}.chico{background:none;border:0;color:#bbb;text-decoration:underline;font-size:1rem;margin:20px auto;display:block}
.fiesta{position:fixed;inset:0;display:grid;place-items:center;background:rgba(0,0,0,.75);font-size:2rem;text-align:center;z-index:9}
.admin .fila{display:flex;justify-content:space-between;align-items:center;background:#2a2a30;padding:10px;border-radius:12px;margin:8px 0}
.offline{background:#8a5a00;text-align:center;border-radius:10px;padding:6px;margin-bottom:10px;font-weight:700}