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infinite}.skeleton-line{height:16px;background:#e8edf2;border-radius:6px;margin-bottom:10px;animation:shimmer 1.5s infinite}.table-responsive{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius);border:1px solid var(--border)}.table-responsive .admin-table{border:none;border-radius:0;min-width:520px}@media (max-width: 1024px){.auth-left{display:none}.auth-right{flex:1}}@media (max-width: 768px){.nav-desktop{display:none}.hamburger{display:flex}.main-content{padding:20px 16px}.container{padding:0 16px}.admin-wrap{padding:20px 16px}.admin-title{font-size:1.35rem}.admin-tabs{overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:0;gap:0}.admin-tabs::-webkit-scrollbar{display:none}.admin-tab{white-space:nowrap;flex-shrink:0;padding:9px 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span{display:block;text-align:center;padding:8px}.toast-container{bottom:16px;left:12px;right:12px;align-items:stretch}.toast{max-width:100%}.modal-overlay{padding:0;align-items:flex-end}.modal{border-radius:20px 20px 0 0;max-height:92vh}.profile-cards-grid{grid-template-columns:1fr!important}.history-stats{grid-template-columns:repeat(2,1fr)}.hstat-value{font-size:1.4rem}.auth-right-inner{padding:24px 20px}.footer-inner{justify-content:center;text-align:center}.footer-links{justify-content:center}.upcoming-list,.prof-profile-stats{flex-wrap:wrap}.prof-pstat{flex:0 0 calc(50% - 6px)}.announcement-item{flex-wrap:wrap}}@media (max-width: 480px){.main-content{padding:12px 10px}.kpi-grid{grid-template-columns:1fr}.history-stats{grid-template-columns:repeat(3,1fr)}.hstat-value{font-size:1.2rem}.hstat-label{font-size:.68rem}.prof-rank-email{display:none}.admin-table th,.admin-table td{padding:8px;font-size:.82rem}.admin-table .btn-xs{padding:3px 7px;font-size:.73rem}.admin-tab{padding:7px 10px;font-size:.78rem}.prof-tab{padding:8px 11px;font-size:.8rem}.table-responsive .admin-table{min-width:460px}.prof-ann-author{display:none}}