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20px}.login-title{font-size:20px}.student-detail-grid{grid-template-columns:repeat(2,1fr);gap:10px}.detail-value{font-size:22px}}@media (width<=400px){#chartGrid{grid-template-columns:1fr}.nav-btn{padding:5px 8px;font-size:11px}}@media print{body *{visibility:hidden}.notification-cards-container,.notification-cards-container *{visibility:visible}.notification-cards-container{width:100%;padding:10px;position:absolute;top:0;left:0}.notification-card{break-inside:avoid;margin-bottom:20px}.no-print{display:none!important}}@media (width<=768px){.challenge-path{padding:10px 0}.challenge-level-card{padding:15px}.celebration-content{padding:25px}.celebration-icon{font-size:60px}}@media (width<=600px){.chat-messages{padding:10px}.chat-message-bubble{padding:8px 12px;font-size:13px}.chat-input-area{padding-bottom:env(safe-area-inset-bottom,10px)}}