.mcq-app-container{max-width:960px;margin:0 auto;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;padding:20px;background:#fff;border-radius:12px;box-shadow:0 2px 20px rgba(0,0,0,.06)}.mcq-toolbar{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:20px;align-items:center;justify-content:space-between}.mcq-search-wrap{display:flex;flex:1;min-width:250px;gap:6px}.mcq-search-input{flex:1;padding:10px 16px;border:2px solid #e0e0e0;border-radius:8px;font-size:15px;transition:border-color 0.2s;outline:none}.mcq-search-input:focus{border-color:#4f46e5}.mcq-search-btn{padding:10px 20px;background:#4f46e5;color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:background 0.2s}.mcq-search-btn:hover{background:#4338ca}.mcq-filters{display:flex;gap:8px}.mcq-filters select{padding:10px 14px;border:2px solid #e0e0e0;border-radius:8px;font-size:14px;background:#fff;cursor:pointer;outline:none;min-width:160px}.mcq-filters select:focus{border-color:#4f46e5}.mcq-stats{padding:8px 0 16px;color:#666;font-size:14px}.mcq-count strong{color:#4f46e5}.mcq-card{background:#fff;border:1px solid #e8e8e8;border-radius:10px;padding:20px 24px;margin-bottom:16px;transition:box-shadow 0.2s,border-color 0.2s}.mcq-card:hover{border-color:#d0d5ff;box-shadow:0 4px 12px rgba(79,70,229,.08)}.mcq-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:6px}.mcq-question-number{color:#4f46e5;font-weight:700;font-size:14px;white-space:nowrap}.mcq-badges{display:flex;gap:6px;flex-wrap:wrap}.mcq-badge{font-size:11px;padding:3px 10px;border-radius:20px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.mcq-badge-difficulty{background:#fef3c7;color:#92400e}.mcq-badge-easy{background:#d1fae5;color:#065f46}.mcq-badge-medium{background:#fef3c7;color:#92400e}.mcq-badge-hard{background:#fee2e2;color:#991b1b}.mcq-badge-source{background:#e0e7ff;color:#3730a3}.mcq-question-text{font-size:17px;font-weight:600;color:#1a1a2e;line-height:1.6;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid #f0f0f0}.mcq-options{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:6px}@media (max-width:600px){.mcq-options{grid-template-columns:1fr}}.mcq-option{display:flex;align-items:center;gap:10px;padding:12px 14px;border:2px solid #e8e8e8;border-radius:8px;cursor:pointer;transition:all 0.2s;font-size:14px;line-height:1.5;user-select:none}.mcq-option:hover{border-color:#4f46e5;background:#f5f3ff}.mcq-option.selected{border-color:#4f46e5;background:#eef2ff;font-weight:500}.mcq-option.correct{border-color:#10b981;background:#d1fae5;color:#065f46}.mcq-option.wrong{border-color:#ef4444;background:#fee2e2;color:#991b1b}.mcq-option-letter{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:#f3f4f6;border-radius:50%;font-weight:700;font-size:14px;color:#4f46e5;flex-shrink:0}.mcq-option.correct .mcq-option-letter{background:#10b981;color:#fff}.mcq-option.wrong .mcq-option-letter{background:#ef4444;color:#fff}.mcq-actions{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}.mcq-btn{padding:8px 16px;border:none;border-radius:6px;font-size:13px;font-weight:600;cursor:pointer;transition:all 0.2s}.mcq-btn-show{background:#4f46e5;color:#fff}.mcq-btn-show:hover{background:#4338ca}.mcq-btn-reset{background:#f3f4f6;color:#374151}.mcq-btn-reset:hover{background:#e5e7eb}.mcq-explanation{margin-top:12px;padding:14px 18px;background:#f0fdf4;border-left:4px solid #10b981;border-radius:6px;display:none;animation:fadeIn 0.3s ease}.mcq-explanation.visible{display:block}.mcq-explanation-label{font-weight:700;color:#065f46;margin-bottom:4px}.mcq-explanation-text{color:#374151;font-size:14px;line-height:1.6}@keyframes fadeIn{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}.mcq-pagination{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:24px;flex-wrap:wrap}.mcq-page-btn{padding:8px 14px;border:2px solid #e0e0e0;border-radius:6px;background:#fff;font-size:14px;font-weight:500;cursor:pointer;transition:all 0.2s;color:#374151}.mcq-page-btn:hover{border-color:#4f46e5;color:#4f46e5}.mcq-page-btn.active{background:#4f46e5;color:#fff;border-color:#4f46e5}.mcq-page-btn:disabled{opacity:.4;cursor:not-allowed}.mcq-loading{text-align:center;padding:60px 20px;color:#9ca3af;font-size:16px}.mcq-empty{text-align:center;padding:60px 20px;color:#9ca3af}.mcq-empty-icon{font-size:48px;margin-bottom:12px}.mcq-error{text-align:center;padding:30px;background:#fef2f2;border-radius:8px;color:#991b1b;margin:20px 0}@media print{.mcq-toolbar,.mcq-pagination,.mcq-stats,.mcq-actions{display:none}.mcq-card{break-inside:avoid;border:1px solid #ccc;margin-bottom:8px}.mcq-explanation{display:block!important}}