/* Financial calculators — scoped to .fe-tools-scope */

.fe-tools-scope {
    --fe-tools-accent: #0d6efd;
    --fe-tools-accent2: #6610f2;
    --fe-tools-glass: rgba(255, 255, 255, 0.72);
    --fe-tools-border: rgba(13, 110, 253, 0.18);
}

body.theme-dark .fe-tools-scope {
    --fe-tools-glass: rgba(33, 37, 41, 0.85);
    --fe-tools-border: rgba(255, 255, 255, 0.12);
}

.fe-tools-bg {
    background: linear-gradient(165deg, rgba(13, 110, 253, 0.08) 0%, rgba(102, 16, 242, 0.06) 45%, transparent 100%);
}

.fe-tools-hero {
    border-radius: 1rem;
    border: 1px solid var(--fe-tools-border);
    background: var(--fe-tools-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 0.5rem 2rem rgba(0, 0, 0, 0.08);
}

.fe-tools-card {
    border-radius: 0.75rem;
    border: 1px solid var(--fe-tools-border);
    background: var(--fe-tools-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 0.35rem 1.25rem rgba(0, 0, 0, 0.06);
}

.fe-tools-card h2,
.fe-tools-card h3 {
    color: inherit;
}

.fe-tools-kpi {
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
}

.fe-tools-kpi-lg {
    font-size: clamp(1.35rem, 2.5vw, 1.85rem);
    font-weight: 700;
    background: linear-gradient(90deg, var(--fe-tools-accent), var(--fe-tools-accent2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

body.theme-dark .fe-tools-kpi-lg {
    background: none;
    -webkit-background-clip: unset;
    background-clip: unset;
    color: #f8f9fa;
}

.fe-tools-upsell {
    border-radius: 0.75rem;
    border: 1px solid rgba(13, 110, 253, 0.25);
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.12), rgba(102, 16, 242, 0.08));
}

body.theme-dark .fe-tools-upsell {
    border-color: rgba(255, 255, 255, 0.15);
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.2), rgba(102, 16, 242, 0.15));
}

.fe-tools-upsell .fe-tools-upsell-tier {
    letter-spacing: 0.03em;
    font-weight: 600;
}

.fe-tools-hub-card {
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.fe-tools-hub-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.75rem 2rem rgba(13, 110, 253, 0.15);
}

.fe-tools-section-advanced {
    border-left: 3px solid var(--fe-tools-accent);
    padding-left: 1rem;
    margin-top: 1.5rem;
}

.fe-tools-disclaimer {
    font-size: 0.8rem;
    color: var(--bs-secondary-color);
}

.fe-tools-chart-wrap {
    position: relative;
    min-height: 220px;
}

.fe-tools-chart-host canvas.fe-tools-chart-hidden {
    display: none !important;
}

.fe-tools-chart-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 260px;
    padding: 1.25rem;
    text-align: center;
    border: 1px dashed rgba(13, 110, 253, 0.35);
    border-radius: 0.75rem;
    background: rgba(13, 110, 253, 0.06);
    font-size: 0.9rem;
    line-height: 1.45;
    color: var(--bs-body-color);
}

body.theme-dark .fe-tools-chart-empty {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.04);
}

.fe-tools-premium-paydown {
    border-left: 3px solid rgba(13, 110, 253, 0.45);
}

body.theme-dark .fe-tools-premium-paydown {
    border-left-color: rgba(13, 110, 253, 0.65);
}

@media (min-width: 992px) {
    .fe-tools-sticky-summary {
        position: sticky;
        top: 5.5rem;
    }
}