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#00000014}.flashcard-back{transform:rotateY(180deg);background:var(--surface-secondary)}.card-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:16px}.card-category{padding:4px 12px;background:var(--primary);color:#fff;border-radius:20px;font-size:12px;font-weight:500}.card-text{font-size:20px;font-weight:500;line-height:1.6}.flip-hint{font-size:12px;color:var(--text-tertiary);margin-top:auto}.flashcards-controls{display:flex;align-items:center;justify-content:center;gap:12px;padding:24px 32px;border-top:1px solid var(--border);max-width:700px;margin:0 auto;width:100%}.flashcards-controls .btn{min-width:80px;max-width:140px}.btn-swipe-left{display:flex;align-items:center;gap:6px;padding:10px 18px;border-radius:12px;background:#ef44441a;color:#ef4444;border:1px solid rgba(239,68,68,.2);cursor:pointer;font-weight:600;font-size:14px;transition:all .15s 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var(--border);border-radius:8px;overflow:hidden;flex-shrink:0;box-sizing:border-box}.sort-btn{padding:6px 14px;border:none;background:none;color:var(--text-secondary);font-size:13px;cursor:pointer;transition:all .2s;white-space:nowrap}.sort-btn.active{background:var(--primary);color:#fff}@media(max-width:600px){.community-filters{flex-direction:column;align-items:stretch}.filter-tabs{flex-wrap:wrap}.sort-toggle{display:grid;grid-template-columns:1fr 1fr}.sort-btn{text-align:center;padding:8px 10px}}.community-empty{text-align:center;padding:64px 24px;color:var(--text-muted)}.community-empty svg{margin-bottom:16px;opacity:.5}.community-empty h3{font-size:20px;color:var(--text);margin-bottom:8px}.community-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(260px,100%),1fr));gap:20px;min-width:0;max-width:900px;margin-left:auto;margin-right:auto}.community-card{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;overflow:hidden;transition:transform .2s,box-shadow .2s;min-width:0}.community-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px #00000026}.community-card-cover{height:140px;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}.community-card-cover img{width:100%;height:100%;object-fit:cover}.community-card-icon{font-size:40px}.community-type-badge{position:absolute;top:8px;right:8px;padding:3px 10px;border-radius:12px;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:#fff;font-size:11px;font-weight:600}.community-card-body{padding:16px}.community-card-body h3{font-size:16px;font-weight:600;color:var(--text);margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word;overflow-wrap:break-word}.community-card-desc{font-size:13px;color:var(--text-muted);margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word;overflow-wrap:break-word}.community-card-meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;font-size:12px;color:var(--text-muted)}.community-author{display:flex;align-items:center;gap:6px}.author-avatar{width:20px;height:20px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;font-size:10px;color:#fff;font-weight:600}.community-card-actions{display:flex;align-items:center;justify-content:space-between;gap:8px;padding-top:12px;border-top:1px solid var(--border)}.like-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:8px;border:1px solid var(--border);background:none;color:var(--text-muted);font-size:13px;cursor:pointer;transition:all .2s}.like-btn:hover,.like-btn.liked{color:#ef4444;border-color:#ef4444}.import-btn{padding:6px 14px;border-radius:8px;border:none;background:var(--primary);color:#fff;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s}.import-btn:hover{background:var(--primary-hover)}.import-btn:disabled{opacity:.6;cursor:not-allowed}@media(max-width:600px){.community-page{padding:16px}.community-grid{grid-template-columns:1fr}.community-filters{flex-direction:column;align-items:stretch}}