.fc-app[data-astro-cid-5msnz52y]{max-width:700px;margin:0 auto;padding:var(--space-xl) var(--space-lg)}.fc-toolbar[data-astro-cid-5msnz52y]{display:flex;justify-content:space-between;align-items:center;gap:var(--space-md);margin-bottom:var(--space-md);flex-wrap:wrap}.fc-topic-select[data-astro-cid-5msnz52y]{display:flex;align-items:center;gap:var(--space-sm);font-family:var(--font-body);font-size:.9rem}.fc-topic-select[data-astro-cid-5msnz52y] select[data-astro-cid-5msnz52y]{font-family:var(--font-body);font-size:.85rem;padding:var(--space-xs) var(--space-sm);border:1px solid var(--color-border);border-radius:6px;background:#fff;max-width:280px}.fc-actions[data-astro-cid-5msnz52y]{display:flex;gap:var(--space-sm)}.fc-btn[data-astro-cid-5msnz52y]{font-family:var(--font-display);font-size:.8rem;font-weight:600;padding:var(--space-xs) var(--space-md);border:1px solid var(--color-border);border-radius:6px;background:#fff;cursor:pointer;transition:border-color .2s,background .2s}.fc-btn[data-astro-cid-5msnz52y]:hover{border-color:var(--subject-color);background:var(--subject-light, #f5f5f5)}.fc-progress-bar[data-astro-cid-5msnz52y]{height:4px;background:#eee;border-radius:2px;overflow:hidden;margin-bottom:var(--space-xs)}.fc-progress-fill[data-astro-cid-5msnz52y]{height:100%;background:var(--subject-color);transition:width .3s ease;width:0}.fc-progress-text[data-astro-cid-5msnz52y]{font-size:.75rem;color:var(--color-ink-light);text-align:center;margin-bottom:var(--space-md)}.fc-stage[data-astro-cid-5msnz52y]{perspective:1000px;margin-bottom:var(--space-lg)}.fc-card[data-astro-cid-5msnz52y]{cursor:pointer;user-select:none;-webkit-user-select:none}.fc-card-inner[data-astro-cid-5msnz52y]{position:relative;min-height:260px;transition:transform .5s;transform-style:preserve-3d}.fc-card-inner[data-astro-cid-5msnz52y].flipped{transform:rotateY(180deg)}.fc-face[data-astro-cid-5msnz52y]{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;display:flex;align-items:center;justify-content:center;padding:var(--space-xl);border:2px solid var(--color-border);border-radius:12px;font-family:var(--font-body);font-size:1.1rem;line-height:1.6;text-align:center;word-break:break-word;overflow-y:auto;-webkit-overflow-scrolling:touch}.fc-front[data-astro-cid-5msnz52y]{background:#fff;color:var(--color-ink);border-color:var(--subject-color)}.fc-back[data-astro-cid-5msnz52y]{background:var(--subject-light, #f9f9f9);color:var(--color-ink);border-color:var(--subject-color);transform:rotateY(180deg)}.fc-nav[data-astro-cid-5msnz52y]{display:flex;justify-content:center;align-items:center;gap:var(--space-lg);margin-bottom:var(--space-md)}.fc-nav-btn[data-astro-cid-5msnz52y]{font-family:var(--font-display);font-size:.85rem;font-weight:600;padding:var(--space-sm) var(--space-lg);border:1px solid var(--color-border);border-radius:6px;background:#fff;cursor:pointer;transition:border-color .2s,opacity .2s}.fc-nav-btn[data-astro-cid-5msnz52y]:hover:not(:disabled){border-color:var(--subject-color)}.fc-nav-btn[data-astro-cid-5msnz52y]:disabled{opacity:.3;cursor:not-allowed}.fc-counter[data-astro-cid-5msnz52y]{font-family:var(--font-mono);font-size:.85rem;color:var(--color-ink-light)}.fc-rating[data-astro-cid-5msnz52y]{display:flex;justify-content:center;gap:var(--space-md);margin-bottom:var(--space-md)}.fc-rate[data-astro-cid-5msnz52y]{font-family:var(--font-display);font-size:.8rem;font-weight:600;padding:var(--space-sm) var(--space-lg);border:2px solid;border-radius:8px;cursor:pointer;transition:background .2s,color .2s}.fc-rate-learn[data-astro-cid-5msnz52y]{border-color:#e65100;color:#e65100;background:#fff}.fc-rate-learn[data-astro-cid-5msnz52y]:hover,.fc-rate-learn[data-astro-cid-5msnz52y].active{background:#fff3e0}.fc-rate-know[data-astro-cid-5msnz52y]{border-color:#2e7d32;color:#2e7d32;background:#fff}.fc-rate-know[data-astro-cid-5msnz52y]:hover,.fc-rate-know[data-astro-cid-5msnz52y].active{background:#e8f5e9}.fc-hint[data-astro-cid-5msnz52y]{text-align:center;font-size:.75rem;color:var(--color-ink-light);opacity:.6}.fc-error[data-astro-cid-5msnz52y]{text-align:center;color:#c62828;padding:var(--space-xl)}@media(max-width:600px){.fc-app[data-astro-cid-5msnz52y]{padding:var(--space-md) var(--space-sm)}.fc-face[data-astro-cid-5msnz52y]{min-height:200px;padding:var(--space-md);font-size:.95rem}.fc-card-inner[data-astro-cid-5msnz52y]{min-height:200px}.fc-toolbar[data-astro-cid-5msnz52y]{flex-direction:column;align-items:stretch}.fc-topic-select[data-astro-cid-5msnz52y] select[data-astro-cid-5msnz52y]{max-width:100%;width:100%}.fc-actions[data-astro-cid-5msnz52y]{justify-content:center}.fc-nav[data-astro-cid-5msnz52y]{gap:var(--space-md)}.fc-nav-btn[data-astro-cid-5msnz52y]{padding:var(--space-sm) var(--space-md);min-height:44px}.fc-rate[data-astro-cid-5msnz52y]{padding:var(--space-sm) var(--space-md);min-height:44px;font-size:.75rem}.fc-rating[data-astro-cid-5msnz52y]{gap:var(--space-sm)}}