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(min-width:621px){.site-header{min-height:52px}.brand{font-size:1.35rem}.brand-mark{width:38px;height:38px}.header-tagline{display:none}.locale-nav{min-height:44px}.locale-nav a{min-width:60px;min-height:44px}.game-shell{height:calc(100svh - 52px);grid-template-columns:minmax(0,2.4fr) minmax(250px,.8fr);gap:8px}.heaps-column{gap:6px}.heap-row{min-height:44px}.turn-panel{min-height:0;padding:9px;overflow:hidden}.match-context{display:none}.turn-heading{padding-bottom:3px}.turn-heading strong{font-size:1.2rem}.turn-heading small{font-size:.72rem}.rule-card,.direct-status{padding:5px 8px}.rule-card p{font-size:.74rem}.rule-card .advantage,.rule-card .balanced{margin-top:2px;font-size:.62rem}.direct-status strong{font-size:.78rem}.direct-status span{display:none}.turn-actions{padding-top:4px}}