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.2s}.remove-btn:hover{background:#fee2e2;border-color:#fca5a5}.row-class-a{background:#fff8e1}.row-class-a:hover{background:#fff3cd}.row-class-bc{background:#fff}.cumulative-cell{display:flex;align-items:center;gap:4px}.class-tag{display:inline-block;margin-left:4px;padding:1px 6px;border-radius:4px;font-size:.7rem;font-weight:600;white-space:nowrap}.tag-a{background:#fde68a;color:#92400e}.tag-bc{background:#e5e7eb;color:#6b7280}.empty-state{padding:3rem 1rem;text-align:center;color:#9ca3af}.empty-hint{font-size:.875rem;margin-top:.5rem;color:#6b7280}.summary-cards{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.5rem}.stat-card{background:#f8f9fb;border:1px solid #e5e7eb;border-radius:10px;padding:1rem 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h4{font-size:1rem;font-weight:600;color:#1a1a1a;margin:0}.ai-icon{font-size:1.25rem}.ai-diagnostic-body p{font-size:.875rem;color:#374151;line-height:1.7;margin:0 0 .75rem}.ai-suggestion{color:#6b7280!important;font-style:italic}.ai-actions{display:flex;gap:.75rem;margin-top:1rem}.ai-action-btn{padding:.5rem 1rem;border:1px solid #7B8FA1;background:#fff;color:#7b8fa1;border-radius:6px;font-size:.8rem;font-weight:500;cursor:pointer;transition:all .2s}.ai-action-btn:hover{background:#7b8fa1;color:#fff}.pareto-generator .toast{position:fixed;top:24px;bottom:auto;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:8px;padding:8px 16px;background:#fff;border-radius:8px;box-shadow:0 4px 12px #0000001a;z-index:10000;animation:toastSlideDown .3s ease-out;font-size:14px;white-space:nowrap;max-width:90vw}@keyframes toastSlideDown{0%{opacity:0;transform:translate(-50%) translateY(-12px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.pareto-generator .toast-icon{font-size:14px;line-height:1;flex-shrink:0}.pareto-generator .toast-success{border-left:3px solid #10b981}.pareto-generator .toast-success .toast-icon{color:#10b981}.pareto-generator .toast-error{border-left:3px solid #ef4444}.pareto-generator .toast-error .toast-icon{color:#ef4444}.pareto-generator .toast-message{font-size:12px;font-weight:500;color:#1f2937}.ai-diagnostic-body{background:#fef3c7;border:1px solid #fbbf24;border-radius:8px;padding:1rem;margin:1rem 0;font-size:.875rem;color:#92400e}.header-cell{font-size:.875rem;font-weight:600;color:#374151;padding:.5rem .75rem;background:#f9fafb;border-radius:4px}