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18px;min-height:240px;display:flex;flex-direction:column;justify-content:center;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.fc-front{text-align:center}.fc-hint{color:var(--muted);font-size:.85rem;text-transform:uppercase;letter-spacing:.05em}.fc-front h2{margin:12px 0;font-size:1.5rem}.fc-tap{color:var(--muted);font-size:.85rem}.fc-back .fc-summary{font-weight:600;margin:0 0 12px}.fc-back ul{margin:0;padding-left:20px}.fc-back li{margin-bottom:6px}.fc-full{display:inline-block;margin-top:14px;font-size:.9rem}.fc-actions{display:flex;gap:10px;margin-top:14px}.fc-btn{flex:1;padding:14px;border-radius:var(--radius);border:none;font-weight:700;font-size:1rem;cursor:pointer;color:#fff}.fc-btn.review{background:#b91c1c}.fc-btn.known{background:#15803d}.fc-done{text-align:center;padding:40px 0}.fc-done p{font-size:1.2rem;margin-bottom:18px}.fc-reset{display:block;margin:28px auto 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