.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}.input-textarea{width:100%;min-height:180px;padding:16px;font-family:'Fira Code',monospace;font-size:0.85rem;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)}.input-footer{margin-top:8px;display:flex;gap:20px;font-size:0.7rem;color:var(--gray-500)}.settings-section{background:var(--gray-50);border-radius:20px;padding:20px;margin-bottom:24px}.settings-section h3{font-size:1rem;margin-bottom:16px;color:var(--gray-700);display:flex;align-items:center;gap:8px}.settings-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px}.setting-group label{display:block;font-size:0.8rem;font-weight:600;margin-bottom:10px;color:var(--gray-700)}.mode-buttons{display:flex;flex-wrap:wrap;gap:8px}.mode-btn{background:white;border:1px solid var(--gray-300);padding:6px 14px;border-radius:30px;font-size:0.75rem;cursor:pointer;transition:all 0.2s}.mode-btn i{margin-right:4px}.mode-btn.active{background:var(--primary-color);border-color:var(--primary-color);color:white}.substring-controls{display:flex;align-items:center;gap:8px}.substring-input{width:80px;padding:6px 10px;border:1px solid var(--gray-300);border-radius:6px}.filter-options{display:flex;flex-direction:column;gap:8px}.checkbox-label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:0.8rem}.checkbox-label input{display:none}.checkmark{width:18px;height:18px;border:2px solid var(--gray-400);border-radius:4px;display:inline-block;position:relative;transition:all 0.2s;flex-shrink:0}.checkbox-label input:checked+.checkmark{background:var(--primary-color);border-color:var(--primary-color)}.checkbox-label input:checked+.checkmark::after{content:'\f00c';font-family:'Font Awesome 6 Free';font-weight:900;font-size:10px;color:white;position:absolute;top:50%;left:50%;transform:translate(-50%, -50%)}.min-freq-input{width:80px;padding:6px 10px;border:1px solid var(--gray-300);border-radius:6px;margin-top:4px}.sort-select{width:100%;padding:8px 12px;border:1px solid var(--gray-300);border-radius:8px;margin-bottom:10px}.action-section{display:flex;gap:16px;justify-content:center;margin-bottom:24px}.count-btn{padding:12px 32px;font-size:1rem}.result-section{background:white;border-radius:20px;border:1px solid var(--gray-200);overflow:hidden;margin-bottom:24px;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}.result-actions{display:flex;gap:8px}.result-table-wrapper{max-height:400px;overflow-y:auto;padding:0 20px 20px}.result-table{width:100%;border-collapse:collapse;font-size:0.85rem}.result-table th{background:var(--gray-50);padding:10px 12px;text-align:left;border-bottom:2px solid var(--gray-200);position:sticky;top:0;z-index:10}.result-table td{padding:8px 12px;border-bottom:1px solid var(--gray-200);font-family:'Fira Code',monospace}.result-table tr:hover td{background:var(--gray-50)}.progress-bar-cell{width:150px}.progress-bar-inner{height:8px;background:var(--gray-200);border-radius:4px;overflow:hidden}.progress-bar-fill{height:100%;background:linear-gradient(90deg, var(--primary-color), var(--primary-light));border-radius:4px;transition:width 0.5s ease}.result-footer{padding:12px 20px;background:var(--gray-50);border-top:1px solid var(--gray-200);display:flex;gap:20px;font-size:0.7rem;color:var(--gray-500)}.chart-section{margin-bottom:24px}.chart-container{background:white;border-radius:20px;padding:20px;border:1px solid var(--gray-200);max-height:400px}.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}@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)}.settings-grid{grid-template-columns:1fr}.knowledge-grid{grid-template-columns:repeat(2, 1fr)}}@media (max-width:600px){.stats-grid{grid-template-columns:1fr}.action-section{flex-direction:column;align-items:center}.knowledge-grid{grid-template-columns:1fr}}