@media(max-width:640px){.app-nav{position:fixed!important;bottom:0!important;left:0!important;right:0!important;top:auto!important;z-index:100!important;justify-content:space-around!important;border-bottom:none!important;border-top:1px solid #1a2744!important;padding-bottom:env(safe-area-inset-bottom,0px)!important}.app-nav-btn{flex-direction:column!important;padding:8px 4px!important;font-size:10px!important;gap:2px!important;min-width:0!important;border-bottom:none!important}.app-nav-btn-active{border-bottom:none!important;border-top:2px solid #fbbf24!important}.app-main{padding-bottom:80px!important}.app-header{padding:10px 10px 0!important}.app-header-inner{flex-direction:column!important;align-items:flex-start!important;gap:6px!important}.app-header-stats,.app-subtitle{display:none!important}.app-title{font-size:13px!important}.match-grid{grid-template-columns:1fr!important}.hp-btn{min-width:52px!important;min-height:48px!important;font-size:16px!important}.player-chip{padding:8px 16px!important;font-size:14px!important}.match-setup-row{flex-wrap:wrap!important}.match-setup-row .player-name-label{width:100%!important;margin-bottom:4px!important}.log-slot-row{flex-wrap:wrap!important;gap:6px!important}.log-slot-row select{min-width:0!important;flex:1 1 40%!important}.filter-toggles{overflow-x:auto!important;flex-wrap:nowrap!important;-webkit-overflow-scrolling:touch}.filter-toggles button{flex-shrink:0!important}.ranking-row{padding:9px 10px!important;gap:8px!important}.ranking-elo{font-size:17px!important}.history-card{padding:10px!important}.history-elo-range{display:none!important}.form-row{flex-direction:column!important;gap:8px!important}.form-row>*{min-width:0!important;width:100%!important}.deck-form-row{flex-direction:column!important;gap:8px!important}.deck-form-row>*{min-width:0!important;width:100%!important}.deck-form-row>button{width:100%!important}.players-form{flex-direction:column!important;gap:8px!important}.players-form>*{width:100%!important}.match-end-row{flex-direction:column!important;gap:6px!important}.match-end-row button{width:100%!important}}