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48px}.back-btn{background:var(--btn-secondary-bg);color:var(--text-secondary);border:1px solid var(--border-color);border-radius:8px;align-items:center;gap:6px;margin-bottom:20px;padding:6px 14px;font-size:13px;font-weight:500;transition:all .2s;display:inline-flex}.back-btn:hover{color:var(--text-primary);border-color:var(--border-active)}.lesson-view-header{margin-bottom:28px}.lesson-view-title{color:var(--text-primary);margin-top:4px;margin-bottom:8px;font-size:22px;font-weight:700}.lesson-view-desc{color:var(--text-muted);font-size:14px;line-height:1.6}.section-label{text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);margin-bottom:14px;font-size:11px;font-weight:700}.character-grid{grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:8px;margin-bottom:20px;display:grid}.char-grid-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;flex-direction:column;align-items:center;gap:4px;padding:14px 8px;transition:all 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#f5a836b3;border-radius:12px;justify-content:center;align-items:center;min-height:56px;margin-top:10px;padding:8px;display:flex}.dict-floating-feedback.wrong{color:#ffae8d;margin-top:8px}.dict-floating-feedback.correct{color:#a9f5ca;margin-top:8px}.dict-floating-actions{gap:8px;margin-top:10px;display:flex}.dict-tile.practice-draggable{cursor:grab}.import-anki-panel{background:#ffffff08;border:1px solid #ffffff24;border-radius:14px;margin-bottom:18px;padding:14px}.import-anki-manual-label{letter-spacing:.02em;color:#ffffffbf;text-transform:uppercase;margin-top:10px;margin-bottom:6px;font-size:.86rem}.import-anki-zones{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:10px;margin-top:8px;display:grid}.import-anki-zones.manual{margin-top:0}.import-anki-zone{border:1px dashed #f5a8368c;border-radius:12px;flex-direction:column;gap:8px;padding:12px;transition:border-color .16s,background .16s,transform .16s;display:flex}.import-anki-zone.bulk{background:linear-gradient(120deg,#f5a83633,#f5a8360f);border-width:2px;border-color:#f5a836e6;box-shadow:0 10px 24px #00000038}.import-anki-zone.loading{opacity:.65}.import-anki-zone.drag-over{background:#f5a83624;border-color:#f5a836;transform:translateY(-1px)}.import-anki-summary{gap:4px;display:grid}.import-anki-breakdown{gap:6px;margin-top:8px;display:grid}.import-anki-breakdown-item{background:#00000029;border:1px solid #ffffff1f;border-radius:10px;grid-template-columns:1.4fr repeat(5,minmax(88px,1fr));align-items:center;gap:8px;padding:8px 10px;font-size:.86rem;display:grid}@media (width<=880px){.import-anki-breakdown-item{grid-template-columns:1fr;gap:2px}}.import-review-list{flex-direction:column;gap:10px;margin-top:8px;display:flex}.import-review-item{background:#0000002e;border:1px solid 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