.stats-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px;margin-bottom:30px}.stat-card{background:white;border-radius:20px;padding:20px;display:flex;align-items:center;gap:16px;border:1px solid var(--gray-200);transition:all 0.3s}.stat-card:hover{transform:translateY(-4px);box-shadow:0 10px 30px rgba(0,0,0,0.1)}.stat-icon{width:50px;height:50px;background:linear-gradient(135deg, #e0e7ff, #f0f4ff);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--primary-color)}.stat-value{font-size:1.6rem;font-weight:700;color:var(--gray-800)}.stat-label{font-size:0.75rem;color:var(--gray-500)}.options-section{background:var(--gray-50);border-radius:20px;padding:20px;margin-bottom:24px}.options-section h3{font-size:1rem;margin-bottom:16px;color:var(--gray-700);display:flex;align-items:center;gap:8px}.options-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px}.option-group label{display:block;font-size:0.8rem;font-weight:600;margin-bottom:10px;color:var(--gray-700)}.os-buttons,.browser-buttons{display:flex;flex-wrap:wrap;gap:6px}.os-btn,.browser-btn{background:white;border:1px solid var(--gray-300);padding:5px 12px;border-radius:30px;font-size:0.7rem;cursor:pointer;transition:all 0.2s}.os-btn.active,.browser-btn.active{background:var(--primary-color);border-color:var(--primary-color);color:white}.count-control{display:flex;align-items:center;gap:12px}.count-input{width:80px;padding:8px 12px;border:1px solid var(--gray-300);border-radius:8px;text-align:center}.count-hint{font-size:0.7rem;color:var(--gray-400)}.ua-display-section{background:white;border-radius:20px;border:1px solid var(--gray-200);overflow:hidden;margin-bottom:24px}.ua-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:linear-gradient(135deg, var(--gray-50), #fafafa);border-bottom:1px solid var(--gray-200);flex-wrap:wrap;gap:12px}.ua-header span{font-weight:600;display:flex;align-items:center;gap:8px}.ua-actions{display:flex;gap:8px;flex-wrap:wrap}.generate-btn{padding:6px 20px}.ua-result{padding:20px;min-height:120px;background:#1a1a2e}.placeholder{text-align:center;color:var(--gray-500);padding:20px}.placeholder i{font-size:36px;margin-bottom:12px;color:var(--gray-400)}.ua-item{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#2d2d44;border-radius:12px;margin-bottom:10px;transition:all 0.2s}.ua-item:last-child{margin-bottom:0}.ua-item .ua-text{font-family:'Fira Code',monospace;font-size:0.7rem;color:#4ade80;word-break:break-all;flex:1;margin-right:12px}.ua-item .ua-index{color:var(--gray-500);font-size:0.7rem;margin-right:12px;min-width:30px}.ua-item .ua-actions-item{display:flex;gap:6px}.ua-item .ua-actions-item button{background:transparent;border:none;color:var(--gray-500);cursor:pointer;padding:4px 8px;border-radius:6px;transition:all 0.2s}.ua-item .ua-actions-item button:hover{background:#3d3d55;color:white}.analysis-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:12px;margin-top:16px}.analysis-item{background:var(--gray-50);border-radius:12px;padding:12px;text-align:center}.analysis-label{display:block;font-size:0.65rem;color:var(--gray-500)}.analysis-value{display:block;font-size:1.1rem;font-weight:600;color:var(--gray-800)}.library-content{margin-top:16px;max-height:300px;overflow-y:auto}.library-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.library-item{background:var(--gray-50);padding:6px 12px;border-radius:8px;font-size:0.65rem;font-family:'Fira Code',monospace;color:var(--gray-600);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.library-item:hover{background:var(--gray-200)}.knowledge-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px;margin-top:20px}.knowledge-card{background:var(--gray-50);border-radius:16px;padding:20px;text-align:center}.knowledge-card i{font-size:28px;color:var(--primary-color);margin-bottom:12px}.knowledge-card h4{font-size:0.85rem;margin-bottom:8px}.knowledge-card p{font-size:0.75rem;color:var(--gray-500);line-height:1.5}@media (max-width:900px){.stats-grid{grid-template-columns:repeat(2, 1fr)}.options-grid{grid-template-columns:1fr}.analysis-grid{grid-template-columns:repeat(2, 1fr)}.knowledge-grid{grid-template-columns:repeat(2, 1fr)}}@media (max-width:600px){.stats-grid{grid-template-columns:1fr}.analysis-grid{grid-template-columns:1fr}.knowledge-grid{grid-template-columns:1fr}.ua-header{flex-direction:column;align-items:flex-start}.library-grid{grid-template-columns:1fr}}