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.back{color:var(--muted);flex:1;min-width:0;font-size:.78rem}.fc-breakdown-item .badge{font-size:.65rem;font-weight:700;padding:2px 8px;border-radius:100px;flex-shrink:0}.fc-breakdown-item .badge-mastered{background:#DBEAFE;color:#1E40AF}.fc-breakdown-item .badge-review{background:#fef2f2;color:#dc2626}.fc-breakdown-item .badge-new{background:#f1f5f9;color:var(--muted)}.fc-reset-btn{margin-top:12px;font-size:.75rem;color:var(--muted);background:none;border:1px solid var(--border);border-radius:8px;padding:6px 14px;cursor:pointer;font-family:inherit;transition:all .2s}.fc-reset-btn:hover{border-color:#dc2626;color:#dc2626;background:#fff5f5}@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}@keyframes popIn{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.fc-animate-in{animation:fadeUp .4s ease}@media(max-width:640px){.fc-hero{padding:36px 0 32px}.fc-hero h1{font-size:1.8rem}.fc-app{padding:20px 16px 60px}.fc-presets{grid-template-columns:1fr 1fr}.fc-form-row{grid-template-columns:1fr}.fc-stats{grid-template-columns:repeat(2,1fr);gap:8px}.fc-stat{padding:12px 8px}.fc-stat-num{font-size:1.3rem}.fc-flashcard{min-height:240px}.fc-flashcard-text{font-size:1.05rem}.fc-match-grid{grid-template-columns:1fr}.fc-study-controls{flex-direction:column;align-items:stretch}.fc-study-controls .fc-btn{min-width:auto}.fc-quiz-input{flex-direction:column}.fc-create-row{flex-direction:column}.fc-create-row .fc-field{min-width:auto}.fc-streak-bar{flex-wrap:wrap}.fc-card-edit-fields{flex-direction:column}.fc-card-edit-fields .fc-card-item-sep{display:none}}