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#3597644d}.practice-correct-button:hover{background:#2f7a4d}.practice-incorrect-button{color:var(--accent-dark);background:#eac2c866;border:1px solid #bd2f3e4d}.practice-incorrect-button:hover{color:#fff;background:var(--accent)}.exchange-header-actions{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:8px;display:flex}.audio-loop-button{white-space:nowrap}.audio-loop-active{color:var(--accent-dark);background:#eac2c866;border-color:#bd2f3e66}.kana-script-toggle{border:1px solid var(--line);background:var(--ivory);border-radius:999px;gap:4px;margin-bottom:20px;padding:4px;display:inline-flex}.kana-chart{gap:10px;display:grid}.kana-row{flex-wrap:wrap;gap:10px;display:flex}.kana-cell{border:1px solid var(--line);background:var(--panel-strong);cursor:pointer;border-radius:14px;flex-direction:column;align-items:center;gap:4px;width:72px;min-height:72px;padding:10px 6px;transition:border-color .14s,background 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0 18px;font-size:1.1rem}.progress-bar-chart{align-items:flex-end;gap:10px;height:120px;display:flex}.progress-bar-col{flex-direction:column;flex:1 1 0;align-items:center;gap:4px;height:100%;display:flex}.progress-bar-track{background:#3569971a;border-radius:6px;flex-direction:column;flex:auto;justify-content:flex-end;width:100%;display:flex;overflow:hidden}.progress-bar-fill{background:var(--blue);border-radius:6px;width:100%;min-height:4px;transition:height .4s}.progress-bar-value{color:var(--ink);min-height:1em;font-size:.72rem;font-weight:900}.progress-bar-label{color:var(--muted);font-size:.72rem;font-weight:800}.progress-alltime-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;display:grid}.progress-alltime-card{gap:6px;padding:18px;display:grid}.progress-alltime-value{color:var(--ink);margin:0;font-size:2.2rem;font-weight:900;line-height:1}.history-card{gap:16px;padding:18px;display:grid}.history-card-header{align-items:flex-start;gap:16px;display:flex}.history-thumbnail{border:1px solid var(--line);object-fit:cover;border-radius:10px;flex-shrink:0;width:80px;height:56px}.history-card-meta{flex:1 1 0;min-width:0}.history-scene{color:var(--ink);text-overflow:ellipsis;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0 0 4px;font-size:.95rem;line-height:1.4;display:-webkit-box;overflow:hidden}.history-stats{color:var(--muted);margin:0 0 4px;font-size:.82rem;font-weight:700}.history-date{color:var(--muted);font-size:.78rem}.history-card-actions{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:8px;display:flex}.history-card-body{border-top:1px solid var(--line);gap:16px;padding-top:16px;display:grid}.history-section-title{color:var(--ink);margin:0;font-size:.95rem}.history-vocab-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;display:grid}.history-vocab-item{border:1px solid var(--line);background:var(--panel-strong);border-radius:12px;padding:10px 12px}.history-vocab-english{color:var(--muted);margin:4px 0 0;font-size:.85rem}.history-exchange{gap:10px;display:grid}.history-exchange-title{color:var(--ink);margin:0;font-size:.92rem;font-weight:800}@media (max-width:680px){.nav-hamburger{display:flex}.app-nav{flex-wrap:wrap;gap:0;padding:12px 14px;position:relative}.brand-link{flex:1}.nav-links{flex-direction:column;gap:4px;width:100%;margin-top:12px;display:none}.nav-links.nav-links-open{display:flex}.nav-link{border-radius:12px;justify-content:flex-start;width:100%;padding:12px 14px;font-size:1rem}.vocab-filter-row{flex-direction:column;align-items:stretch}.vocab-search-input{flex:none;width:100%}.history-card-header{flex-direction:column}.history-thumbnail{width:100%;height:120px}.history-card-actions{flex-flow:wrap;align-items:center}.kana-cell{width:58px;min-height:58px;padding:8px 4px}.kana-char{font-size:1.2rem}.progress-stat-grid{grid-template-columns:repeat(2,1fr)}.kana-quiz-controls{flex-direction:column}.practice-actions{flex-wrap:wrap}.exchange-header-actions{flex-direction:row;align-items:center}}