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(width<=480px){.app-container{padding:.25rem!important}.brand-title{font-size:1.5rem}.brand-subtitle{font-size:.75rem}.glass-panel,.next-class-card{padding:.95rem!important}.class-card{padding:.8rem!important}}.profile-avatar-wrapper:hover .profile-avatar-overlay{opacity:1!important}.avatar-modal-overlay{z-index:10050;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0f172a99;justify-content:center;align-items:center;padding:1.5rem;animation:.3s cubic-bezier(.16,1,.3,1) modalFadeIn;display:flex;position:fixed;inset:0}.avatar-modal{border-radius:var(--radius-lg);background:#fff;border:1px solid #e2e8f0cc;flex-direction:column;width:100%;max-width:520px;animation:.4s cubic-bezier(.16,1,.3,1) modalScaleUp;display:flex;overflow:hidden;box-shadow:0 25px 50px -12px #0f172a40}@keyframes modalFadeIn{0%{opacity:0}to{opacity:1}}@keyframes modalScaleUp{0%{opacity:0;transform:scale(.95)translateY(10px)}to{opacity:1;transform:scale(1)translateY(0)}}.avatar-modal-header{border-bottom:1px solid #f1f5f9;justify-content:space-between;align-items:center;padding:1.5rem;display:flex}.avatar-modal-title{color:var(--text-primary);margin:0;font-size:1.3rem;font-weight:800}.avatar-modal-close{color:#94a3b8;cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:.5rem;font-size:1.25rem;display:flex}.avatar-modal-close:hover{color:var(--text-primary);background:#f1f5f9}.avatar-modal-body{max-height:70vh;padding:1.5rem;overflow-y:auto}.avatar-preview-section{border-radius:var(--radius-md);background:#f8fafc;border:1px dashed #e2e8f0;flex-direction:column;align-items:center;gap:12px;margin-bottom:1.5rem;padding:1rem;display:flex}.avatar-preview-img{object-fit:cover;border:3px solid var(--primary);border-radius:50%;width:90px;height:90px;box-shadow:0 8px 20px #2563eb26}.avatar-tabs{background:#f1f5f9;border-radius:12px;gap:6px;margin-bottom:1.5rem;padding:4px;display:flex}.avatar-tab-btn{color:var(--text-secondary);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:8px;flex:1;justify-content:center;align-items:center;gap:8px;padding:.6rem;font-size:.85rem;font-weight:700;display:flex}.avatar-tab-btn.active{color:var(--primary);background:#fff;box-shadow:0 2px 8px #0000000d}.avatar-upload-zone{border-radius:var(--radius-md);text-align:center;cursor:pointer;transition:var(--transition);background:#f8fafc;border:2px dashed #cbd5e1;padding:2.5rem 1.5rem}.avatar-upload-zone:hover{border-color:var(--primary);background:#2563eb08}.avatar-upload-zone i{color:#94a3b8;margin-bottom:1rem;font-size:2.5rem}.avatar-upload-title{color:var(--text-primary);margin-bottom:.25rem;font-size:.95rem;font-weight:700}.avatar-upload-subtitle{color:var(--text-muted);font-size:.8rem}.avatar-input-premium{border:1.5px solid var(--border);border-radius:var(--radius-md);width:100%;color:var(--text-primary);transition:var(--transition);outline:none;margin-bottom:1rem;padding:.8rem 1rem;font-weight:600}.avatar-input-premium:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}.avatar-grid{grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:1rem;display:grid}.avatar-item{aspect-ratio:1;cursor:pointer;transition:var(--transition);border:3px solid #0000;border-radius:50%;position:relative;overflow:hidden;box-shadow:0 2px 8px #0000000d}.avatar-item:hover{transform:scale(1.1);box-shadow:0 4px 12px #2563eb26}.avatar-item.active{border-color:var(--primary);box-shadow:0 0 0 2px #fff, 0 8px 16px var(--primary-glow);transform:scale(1.05)}.avatar-item img{object-fit:cover;width:100%;height:100%}.avatar-modal-footer{background:#f8fafc;border-top:1px solid #f1f5f9;justify-content:flex-end;gap:12px;padding:1.25rem 1.5rem;display:flex}.btn-avatar-secondary{color:var(--text-secondary);cursor:pointer;transition:var(--transition);background:#fff;border:1px solid #cbd5e1;border-radius:12px;padding:.75rem 1.25rem;font-size:.9rem;font-weight:700}.btn-avatar-secondary:hover{color:var(--text-primary);background:#f1f5f9}.btn-avatar-primary{background:var(--primary);color:#fff;cursor:pointer;transition:var(--transition);box-shadow:0 4px 10px var(--primary-glow);border:none;border-radius:12px;padding:.75rem 1.5rem;font-size:.9rem;font-weight:700}.btn-avatar-primary:hover{filter:brightness(1.1)}.dashboard-top-grid{grid-template-columns:1fr 1fr 1fr;gap:1.25rem;margin-bottom:2rem;display:grid}.next-class-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;width:100%;display:flex}.glass-panel{animation:.6s cubic-bezier(.16,1,.3,1) both slideUp;-webkit-backdrop-filter:blur(20px)saturate(190%)!important;background:#ffffffb8!important;border:1px solid #ffffffa6!important;box-shadow:0 10px 30px -15px #0000000d,0 1px 2px #00000005!important}.dashboard-config-card{animation-delay:40ms}.dashboard-agenda-card{animation-delay:.12s}.dashboard-eval-card{animation-delay:.18s}.tab-navigation{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid #ffffff80;box-shadow:0 4px 20px -5px #00000008;background:#fff9!important}.nav-tab{transition:var(--transition);border-radius:12px!important}.nav-tab:active{transform:scale(.96)}.dashboard-config-card select{border-radius:var(--radius-md);border:1px solid var(--border);width:100%;color:var(--text-primary);cursor:pointer;transition:var(--transition);appearance:none;background:#ffffffb3 url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e") right 1rem center/1.1rem no-repeat;outline:none;padding:.85rem 2.5rem .85rem 1rem;font-size:.95rem;font-weight:700;box-shadow:0 2px 4px #00000005}.dashboard-config-card select:hover{background-color:#ffffffe6;border-color:#cbd5e1;transform:translateY(-1px)}.dashboard-config-card select:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-glow);background-color:#fff}.live-dot-pulse{background-color:#ef4444;border-radius:50%;width:7px;height:7px;animation:1.8s ease-in-out infinite pulseLive;display:inline-block}@keyframes pulseLive{0%{opacity:.6;transform:scale(.85);box-shadow:0 0 #ef444499}50%{opacity:1;transform:scale(1.15);box-shadow:0 0 0 5px #ef444400}to{opacity:.6;transform:scale(.85);box-shadow:0 0 #ef444400}}.attendance-save-bar{border-top:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-top:1rem;padding-top:1rem;display:flex}.attendance-actions-container{flex-wrap:wrap;gap:.75rem;display:flex}.attendance-btn{white-space:nowrap;justify-content:center}@media (width<=640px){.attendance-save-bar{flex-direction:column;align-items:stretch}.attendance-actions-container{flex-direction:column;gap:.6rem;width:100%}.attendance-btn{justify-content:center!important;width:100%!important;padding:.85rem 1rem!important;font-size:.9rem!important}.eval-filter-header{flex-direction:column;align-items:stretch}.recordings-header-row{flex-direction:column;align-items:flex-start!important}.announcements-form-grid{grid-template-columns:1fr!important}}.announcements-form-grid{grid-template-columns:1fr 1fr;gap:1rem;display:grid}