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.mode-switch{grid-area:2/1/auto/-1;width:100%;height:64px}.brand{gap:10px;font-size:21px}.brand-mark{border-radius:14px;width:44px;height:44px}.brand-mark svg{width:24px;height:24px}.training-header__meta{gap:10px;font-size:10px}.category-filter{scrollbar-width:none;gap:6px;overflow-x:auto}.category-filter::-webkit-scrollbar{display:none}.category-filter button{flex:none;min-height:40px;padding:7px 10px;font-size:13px}.category-filter button small{font-size:12px}.group-controls{flex-direction:column;gap:9px}.group-size-control,.group-navigation{justify-content:center;width:100%}.group-selector__trigger{min-width:188px}.word-card{border-radius:26px;grid-template-rows:auto auto auto;grid-template-columns:1fr;min-height:0;padding:22px}.word-card__image-frame{border-radius:20px;width:min(100%,560px);margin:0 auto}.word-card__content{width:min(100%,560px);margin:0 auto;padding:22px 0 0}.word-card__progress{grid-column:1;width:min(100%,560px);margin:0 auto;padding:24px 0 0}.word-block h1{font-size:clamp(50px,12vw,72px)}.player-controls{z-index:30;border-radius:23px;gap:8px;width:calc(100% - 24px);min-height:66px;margin:0;padding:6px 12px;position:fixed;bottom:10px;left:50%;transform:translate(-50%)}.nav-button{min-width:64px}.audio-feedback{width:28px}.play-button{border-width:5px;width:56px;height:56px}}@media (width<=500px){main{width:calc(100% - 14px)}.training-header{grid-template-columns:1fr auto}.brand{font-size:18px}.training-header__meta>span{display:none}.mode-switch small{font-size:8px}.mode-switch span{font-size:14px}.category-filter{grid-template-columns:repeat(4,1fr);display:grid}.category-filter button{justify-content:center;gap:3px;min-width:0;padding-inline:4px;font-size:11px}.group-size-control{gap:8px;font-size:12px}.group-size-control button{min-width:54px;padding:7px 6px;font-size:12px}.group-navigation{gap:6px}.group-navigation>button{font-size:11px}.group-selector__trigger{min-width:178px;min-height:42px}.word-card{border-radius:22px;padding:14px}.word-card__content{padding-top:18px}.word-block{margin-top:16px}.word-block h1{font-size:clamp(44px,15vw,62px)}.romanization{margin-top:10px;font-size:17px}.meaning{margin-top:16px;font-size:20px}.speak-button{width:48px;height:48px}.divider{margin:20px 0 17px}.phrase-block h2{font-size:19px}.phrase-block p{font-size:15px}.progress-section{gap:12px}.progress-copy{min-width:68px}.progress-current,.progress-total{font-size:17px}.player-controls{gap:3px;width:calc(100% - 14px);padding-inline:7px}.nav-button{gap:3px;min-width:54px;padding-inline:0;font-size:10px}.audio-feedback{width:22px}.audio-feedback svg{width:21px}.speed-button{min-width:46px}.control-separator{height:34px;margin-left:0}}