.cashflow-table {
            background: white;
            border-radius: 8px;
            overflow-x: auto;
        }
        .cashflow-table th, .cashflow-table td {
            vertical-align: middle;
            text-align: center;
        }
        .cashflow-input {
            min-width: 140px;
        }
        .btn-sm-icon {
            padding: 0.25rem 0.6rem;
        }.example-btn { font-size:0.7rem}

        .irr-result-badge {
            font-size: 2rem;
            font-weight: 700;
            color: #2c3e66;
            background: #eef2ff;
            display: inline-block;
            padding: 0.3rem 1.2rem;
            border-radius: 40px;
        }
        .npv-card {
            background: #f8fafc;
            border-left: 4px solid #0d6efd;
        }
        .math-inline {
            font-family: 'Courier New', monospace;
            background: #f1f3f5;
            padding: 0.2rem 0.4rem;
            border-radius: 6px;
        }
        .citation-block {
            border-top: 1px solid #dee2e6;
            padding-top: 1rem;
            font-size: 0.85rem;
        }
        .warning-text {
            background-color: #fff3cd;
            border-left: 4px solid #ffc107;
        }
        .key-concept {
            background: #e9ecef;
            padding: 0.8rem;
            border-radius: 12px;
        }
        .mirr-card {
            background: #f0f7ff;
            border-radius: 12px;
            border-left: 4px solid #17a2b8;
        }
        .rate-sync {
            font-size: 0.8rem;
            margin-top: 5px;
        }