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.5rem;border-radius:4px;background:#ffffff1a;text-transform:uppercase;letter-spacing:.05em}.flashcard{text-align:center;min-height:300px;display:flex;flex-direction:column;justify-content:center;align-items:center;cursor:pointer;perspective:1000px}.card-inner{position:relative;width:100%;height:100%;transition:transform .6s cubic-bezier(.4,0,.2,1);transform-style:preserve-3d}.flashcard.flipped .card-inner{transform:rotateY(180deg)}.card-face{position:absolute;width:100%;height:100%;backface-visibility:hidden;display:flex;flex-direction:column;justify-content:center;align-items:center}.card-back{transform:rotateY(180deg)}.large-japanese{font-size:5rem;font-weight:700;margin-bottom:1rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .5s ease forwards}.audio-btn{background:#ffffff1a;border:1px solid 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.2s}.modal-close-btn:hover{background:#f003;border-color:#f006;transform:rotate(90deg)}.modal-body{flex:1;position:relative;background:#000}.jp-breakdown{display:flex;flex-wrap:wrap;align-items:flex-end;row-gap:.5rem}.table-scroll{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}.table-scroll table{min-width:520px}@media(max-width:768px){.app-container{padding:1rem}h1{font-size:1.5rem}.header-top{flex-direction:column;align-items:flex-start;gap:.75rem;padding-bottom:1rem}.header-top>div{flex-wrap:wrap}nav.tabs{margin-bottom:1.25rem!important;-webkit-mask-image:linear-gradient(to right,#000 88%,transparent 100%);mask-image:linear-gradient(to right,#000 88%,transparent 100%);scroll-snap-type:x proximity}.tab-btn{flex:0 0 auto;padding:.7rem .9rem;font-size:.85rem;min-height:44px;scroll-snap-align:start}.tab-btn:active{transform:scale(.96)}.btn{min-height:48px;padding:.85rem 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.4rem}h1{font-size:1.15rem}.large-japanese{font-size:2.25rem}.inner-panel{padding:.9rem!important}.glass-panel{padding:.75rem}.audio-btn{width:40px!important;height:40px!important;font-size:1rem!important}.dialogue-row{gap:.5rem!important;padding:.6rem!important}.dialogue-role{min-width:48px!important;font-size:.85rem}}@supports (height: 100dvh){body,#root{min-height:100dvh}}@media(prefers-reduced-motion:reduce){*,.card-inner,.glass-panel{transition:none!important;animation:none!important}}