.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)}.input-section{margin-bottom:24px}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:12px}.section-header h3{font-size:1rem;display:flex;align-items:center;gap:8px}.input-actions{display:flex;gap:8px;flex-wrap:wrap}.input-textarea{width:100%;min-height:200px;padding:16px;font-family:'Fira Code',monospace;font-size:0.9rem;border:1px solid var(--gray-300);border-radius:16px;resize:vertical;background:#1a1a2e;color:#e0e0e0;line-height:1.6}.input-textarea:focus{outline:none;border-color:var(--primary-color)}.editor-with-line-numbers{display:flex;border:1px solid var(--gray-300);border-radius:16px;overflow:hidden;background:#1a1a2e}.line-numbers{width:50px;background:#0f0f1a;color:#666;font-family:'Fira Code',monospace;font-size:0.8rem;line-height:1.6;padding:16px 8px;text-align:right;user-select:none;border-right:1px solid #2d2d44;overflow-y:hidden;white-space:pre-wrap;word-wrap:break-word}.input-textarea{flex:1;min-height:250px;padding:16px;font-family:'Fira Code',monospace;font-size:0.9rem;border:none;resize:vertical;background:#1a1a2e;color:#e0e0e0;line-height:1.6}.input-textarea:focus{outline:none}.detect-btn{padding:6px 20px}.result-section{background:white;border-radius:20px;border:1px solid var(--gray-200);overflow:hidden;margin-bottom:32px;animation:fadeIn 0.3s ease}.result-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)}.result-header h3{font-size:1rem;display:flex;align-items:center;gap:8px}.category-stats,.hidden-list,.char-detail,.cleaned-text,.visualization{padding:20px;border-bottom:1px solid var(--gray-200)}.category-stats h4,.hidden-list h4,.char-detail h4,.cleaned-text h4,.visualization h4{font-size:0.85rem;margin-bottom:12px;color:var(--gray-700);display:flex;align-items:center;gap:6px}.category-grid{display:flex;flex-wrap:wrap;gap:16px}.category-item{background:var(--gray-50);border-radius:12px;padding:12px 20px;text-align:center;min-width:100px}.category-count{font-size:1.5rem;font-weight:700;color:var(--primary-color)}.category-name{font-size:0.7rem;color:var(--gray-500)}.list-container{background:#1a1a2e;border-radius:12px;padding:16px;font-family:monospace;font-size:0.85rem;color:#e0e0e0;max-height:250px;overflow-y:auto}.hidden-item{display:flex;align-items:center;gap:12px;padding:8px;border-bottom:1px solid #2d2d44}.hidden-item:last-child{border-bottom:none}.char-preview{background:#2d2d44;padding:4px 12px;border-radius:6px;font-family:monospace}.risk-high{color:#ef4444}.risk-medium{color:#f59e0b}.risk-low{color:#10b981}.table-wrapper{overflow-x:auto}.detail-table{width:100%;border-collapse:collapse;font-size:0.8rem}.detail-table th,.detail-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--gray-200)}.detail-table th{background:var(--gray-50);font-weight:600}.detail-table td{font-family:monospace}.remove-char-btn{background:#ef4444;color:white;border:none;padding:4px 10px;border-radius:6px;cursor:pointer;font-size:0.7rem}.visual-container{background:#1a1a2e;border-radius:12px;padding:16px;font-family:monospace;font-size:1rem;letter-spacing:2px;word-break:break-all}.vis-normal{color:#4ade80}.vis-hidden{background:#fbbf24;color:#1e293b;padding:0 2px;border-radius:4px}.vis-control{background:#ef4444;color:white;padding:0 2px;border-radius:4px}.cleaned-content{background:var(--gray-50);border-radius:12px;padding:16px;font-family:monospace;font-size:0.85rem;word-break:break-all;margin-bottom:12px;max-height:150px;overflow-y:auto}.knowledge-section{margin-top:20px}.category-tabs{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.cat-tab{background:var(--gray-100);border:none;padding:6px 16px;border-radius:30px;cursor:pointer;font-size:0.75rem;transition:all 0.2s}.cat-tab.active{background:var(--primary-color);color:white}.knowledge-table{background:var(--gray-50);border-radius:16px;overflow:hidden}.knowledge-row{display:grid;grid-template-columns:80px 120px 100px 1fr;gap:12px;padding:12px 16px;border-bottom:1px solid var(--gray-200);font-size:0.8rem}.knowledge-header{background:var(--gray-100);font-weight:600}.knowledge-char{font-family:monospace;background:white;padding:2px 8px;border-radius:4px;display:inline-block;text-align:center}.warning-card{background:#fef3c7;border-radius:16px;padding:16px 20px;display:flex;gap:16px;margin-top:20px}.warning-card i{font-size:28px;color:#f59e0b}.warning-content strong{display:block;margin-bottom:6px;color:#92400e}.warning-content p{font-size:0.8rem;color:#78350f;line-height:1.5}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:900px){.stats-grid{grid-template-columns:repeat(2, 1fr)}.knowledge-row{grid-template-columns:60px 100px 80px 1fr;font-size:0.7rem;gap:8px}}@media (max-width:600px){.stats-grid{grid-template-columns:1fr}.section-header{flex-direction:column;align-items:flex-start}.input-actions{width:100%;justify-content:flex-start}}