.sync-aula{color:#162950;background:#f4f8fc;min-height:100vh}.sync-aula-header{background:#fff;border-bottom:1px solid #e1eaf4;justify-content:flex-end;align-items:center;height:80px;padding:0 clamp(1.25rem,6vw,5.4rem);display:flex}.sync-aula-header a{color:#174f9e;font-weight:700;text-decoration:none}.sync-hero{color:#fff;background:linear-gradient(90deg,#07204cf0,#0e3875c2),url(/aula-sincronizada.jpg) 50%/cover,#173d79;padding:4rem clamp(1.25rem,6vw,5.4rem)}.sync-hero small,.step-label{letter-spacing:.08em;color:#36c5ff;font-weight:900}.sync-hero h1{margin:.5rem 0;font-size:clamp(2.4rem,5vw,4.5rem)}.sync-hero p{max-width:700px;margin:0;font-size:1.1rem}.sync-grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.25fr);gap:1.5rem;padding:2rem clamp(1.25rem,6vw,5.4rem);display:grid}.sync-card{background:#fff;border:1px solid #dce8f4;border-radius:20px;padding:1.55rem;box-shadow:0 10px 25px #16325e0f}.sync-card h2{margin:.25rem 0 1.25rem;font-size:1.7rem}.session-card label{margin-bottom:.45rem;font-weight:800;display:block}.session-card select{width:100%;font:inherit;color:#162950;background:#fff;border:1px solid #bfd0e5;border-radius:11px;padding:.9rem}.session-card select:disabled{color:#9fb0c5;cursor:not-allowed;background:#f2f5f9}.session-card select+label{margin-top:.9rem}.empty-catalog{color:#7c8ca1;margin:.75rem 0;font-size:.88rem}.lesson-summary{background:#edf6ff;border-radius:13px;margin:1rem 0 1.25rem;padding:1rem}.lesson-summary b{display:block}.lesson-summary p{margin:.4rem 0 0;line-height:1.45}.linked-route{overflow-wrap:anywhere;color:#31567d;background:#fff;border:1px solid #cddff2;border-radius:8px;margin-top:.7rem;padding:.55rem .65rem;font-size:.78rem;display:block}.selected-class-link{color:#175ba9;margin-top:.75rem;font-weight:800;text-decoration:none;display:inline-flex}.selected-class-link:hover{text-decoration:underline}.session-card .step-label+.primary-action{margin-top:.55rem}.primary-action,.open-class{font:inherit;cursor:pointer;border:0;border-radius:12px;justify-content:center;align-items:center;padding:.85rem 1.1rem;font-weight:800;text-decoration:none;display:inline-flex}.primary-action{color:#fff;background:#35a8dc;margin:.5rem 0 1rem}.primary-action:disabled{cursor:not-allowed;background:#cbd9e8}.access-box{text-align:center;background:#e8f5ff;border-radius:15px;margin-top:.2rem;padding:1.15rem}.access-box small{color:#2d69b7;font-weight:900;display:block}.access-box strong{letter-spacing:.16em;color:#172952;margin:.2rem 0;font-size:2.75rem;display:block}.access-box p{color:#526b8e;margin:.1rem 0 .85rem;font-size:.9rem}.open-class{color:#fff;background:#1f5daa;width:100%}.group-title{border-bottom:1px solid #e2eaf3;justify-content:space-between;align-items:center;gap:1rem;display:flex}.group-title span{font-weight:700}.students-list{max-height:410px;overflow:auto}.student{border-bottom:1px solid #e8eef5;grid-template-columns:42px 1fr auto;align-items:center;gap:.8rem;padding:.78rem 0;display:grid}.avatar{color:#2963b3;background:#e4f1ff;border-radius:50%;place-items:center;width:38px;height:38px;font-weight:900;display:grid}.student small{border-radius:999px;padding:.32rem .55rem;font-size:.72rem}.connected{color:#16854b;background:#e1f8e8}.waiting{color:#7c8ca1;background:#eef1f5}@media (max-width:800px){.sync-grid{grid-template-columns:1fr;padding:1rem}.sync-hero{padding:2.5rem 1.25rem}.sync-aula-header{height:64px;padding:0 1.25rem}.access-box strong{font-size:2.2rem}.student{grid-template-columns:40px 1fr}.student small{grid-column:2;justify-self:start}.group-title{flex-direction:column;align-items:flex-start;gap:.25rem}}