.npc-form-col {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
}

/* ── Toggle Buttons ── */
.mode-toggle-group {
    display: flex;
    gap: 12px;
    margin-bottom: 2rem;
}

.mode-toggle-btn {
    flex: 1;
    background: #f1f5f9;
    border: 2px solid transparent;
    color: #64748b;
    font-weight: 600;
    padding: 12px;
    border-radius: 10px;
    transition: all 0.2s;
}

    .mode-toggle-btn:hover {
        background: #e2e8f0;
        color: #334155;
    }

    .mode-toggle-btn.active {
        background: rgba(9,105,195,0.08);
        border-color: var(--bs-primary);
        color: var(--bs-primary);
    }

/* ── Inputs ── */
.form-label {
    font-weight: 600;
    color: #0b1a3a;
    font-size: 0.9rem;
}

.form-control-cal {
    border-radius: 8px;
    padding: 0.6rem 1rem;
    border-color: #cbd5e1;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.form-control:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 4px rgba(9,105,195,0.1);
}

.form-control.is-invalid {
    border-color: #dc3545;
    box-shadow: 0 0 0 4px rgba(220,53,69,0.1);
    background-image: none;
}

.invalid-feedback {
    font-size: 0.8rem;
    font-weight: 500;
}

/* ── Itemized Side-by-Side Layout ── */
.itemized-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 768px) {
    .itemized-columns {
        grid-template-columns: 1fr;
    }
}

.cost-column {
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    overflow: hidden;
    background: #fff;
}

.cost-column-header {
    padding: 14px 18px;
    font-weight: 600;
    font-size: 0.92rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #e2e8f0;
    cursor: pointer;
    user-select: none;
}

    .cost-column-header:hover {
        filter: brightness(0.97);
    }

    .cost-column-header .header-left {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .cost-column-header .header-right {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .cost-column-header.internal-header {
        background: rgba(9,105,195,0.04);
        color: #0b1a3a;
    }

    .cost-column-header.external-header {
        background: rgba(34,180,114,0.04);
        color: #0b1a3a;
    }

.collapse-chevron {
    font-size: 0.75rem;
    color: #94a3b8;
    transition: transform 0.3s ease;
}

.cost-column.collapsed .collapse-chevron {
    transform: rotate(-90deg);
}

.cost-column.collapsed .cost-column-header {
    border-bottom: none;
}

.summary-icon {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 1rem;
}

.icon-internal {
    background: rgba(9,105,195,0.1);
    color: var(--bs-primary);
}

.icon-external {
    background: rgba(34,180,114,0.1);
    color: var(--bs-success);
}

.subtotal-badge {
    font-size: 0.78rem;
    background: #fff;
    border: 1px solid #cbd5e1;
    padding: 3px 12px;
    border-radius: 20px;
    color: #64748b;
    font-weight: 600;
    transition: all 0.2s;
    white-space: nowrap;
}

.cost-column-body {
    padding: 0;
    overflow: hidden;
    max-height: 2000px;
    transition: max-height 0.35s ease;
}

.cost-column.collapsed .cost-column-body {
    max-height: 0;
}

.cost-item-row {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 16px;
    border-bottom: 1px solid #f1f5f9;
    gap: 6px;
    transition: background 0.15s;
}

    .cost-item-row:last-child {
        border-bottom: none;
    }

    .cost-item-row:hover {
        background: #f8fafc;
    }

.cost-item-label {
    font-size: 0.85rem;
    color: #64748b;
    font-weight: 600;
}

.cost-item-input {
    border-radius: 6px;
    padding: 8px 12px;
    border: 1px solid #cbd5e1;
    font-size: 0.9rem;
    width: 100%;
    text-align: left;
    transition: all 0.2s;
    font-family: 'Poppins', sans-serif;
    color: #334155;
    background: #fff;
}

    .cost-item-input:focus {
        outline: none;
        border-color: var(--bs-primary);
        box-shadow: 0 0 0 3px rgba(9,105,195,0.1);
    }

.btn-cohire {
    background-color: var(--bs-primary);
    color: white;
    font-weight: 600;
    border-radius: 8px;
    padding: 14px;
    transition: all 0.2s ease;
    font-size: 1.05rem;
}

    .btn-cohire:hover {
        background-color: var(--bs-primary);
        color: white;
        transform: translateY(-1px);
        box-shadow: 0 4px 15px rgba(9,105,195,0.25);
    }

/* ─ Results Card ─ */
.npc-results-col {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.04);
    position: sticky;
    top: 24px;
    display: none; /* hidden initially */
}

    .npc-results-col.visible {
        display: block;
        animation: fadeIn 0.4s ease forwards;
    }

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #f1f5f9;
}

    .result-row:last-child {
        border-bottom: none;
    }

.result-label {
    color: #64748b;
    font-size: 0.95rem;
    font-weight: 500;
}

.result-value {
    font-weight: 600;
    color: #0b1a3a;
}

.final-result-box {
    background: rgba(9,105,195,0.06);
    border: 1px solid rgba(9,105,195,0.2);
    border-radius: 10px;
    padding: 1.2rem;
    margin-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

    .final-result-box .result-label {
        color: #0b1a3a;
        font-weight: 700;
        font-size: 1.05rem;
        margin: 0;
    }

    .final-result-box .result-value {
        color: var(--bs-primary);
        font-size: 1.5rem;
        font-weight: 800;
    }

/* ── Recommendations Panel ── */
.recommendations-panel {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    margin-top: 2rem;
    display: none;
}

    .recommendations-panel.visible {
        display: block;
        animation: fadeIn 0.4s ease forwards;
    }

    .recommendations-panel h5 {
        color: #0b1a3a;
        font-weight: 700;
        margin-bottom: 1.2rem;
    }

.rec-meta-row {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 1.5rem;
}

.rec-metric-card {
    flex: 1;
    min-width: 160px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 14px 18px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

    .rec-metric-card .metric-label {
        font-size: 0.75rem;
        color: #94a3b8;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    .rec-metric-card .metric-value {
        font-size: 1.1rem;
        font-weight: 700;
        color: #0b1a3a;
    }

        .rec-metric-card .metric-value.text-blue {
            color: var(--bs-primary);
        }

        .rec-metric-card .metric-value.text-green {
            color: var(--bs-success);
        }

        .rec-metric-card .metric-value.text-orange {
            color: #e67e22;
        }

        .rec-metric-card .metric-value.text-red {
            color: #dc3545;
        }

.rec-insights {
    list-style: none;
    padding: 0;
    margin: 0;
}

    .rec-insights li {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        padding: 12px 0;
        border-bottom: 1px solid #f1f5f9;
        font-size: 0.88rem;
        color: #475569;
        line-height: 1.5;
    }

        .rec-insights li:last-child {
            border-bottom: none;
        }

.rec-insight-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    font-size: 0.75rem;
    flex-shrink: 0;
    margin-top: 2px;
}

    .rec-insight-icon.tip {
        background: rgba(34,180,114,0.1);
        color: var(--bs-success);
    }

    .rec-insight-icon.warn {
        background: rgba(230,126,34,0.1);
        color: #e67e22;
    }

    .rec-insight-icon.info {
        background: rgba(9,105,195,0.1);
        color: var(--bs-primary);
    }

.rec-insight-text strong {
    color: #0b1a3a;
}