.sfr-calculator {
    --sfr-bg: #f6f8fb;
    --sfr-card: #ffffff;
    --sfr-text: #172033;
    --sfr-muted: #667085;
    --sfr-border: #e4e7ec;
    --sfr-accent: #2457d6;
    --sfr-accent-dark: #173b91;
    --sfr-accent-soft: #eef3ff;
    --sfr-positive: #087443;
    --sfr-positive-soft: #ecfdf3;
    --sfr-danger: #b42318;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--sfr-text);
    width: 100%;
    max-width: 1100px;
    margin: 24px auto;
}

.sfr-calculator,
.sfr-calculator * {
    box-sizing: border-box;
}

.sfr-calculator .sfr-card {
    width: 100%;
    min-width: 0;
    background: var(--sfr-card);
    border: 1px solid var(--sfr-border);
    border-radius: 20px;
    box-shadow: 0 18px 50px rgba(16, 24, 40, .08);
    overflow: hidden;
}

.sfr-calculator .sfr-header {
    padding: 32px 32px 14px;
}

.sfr-calculator .sfr-kicker {
    display: inline-block;
    color: var(--sfr-accent);
    background: var(--sfr-accent-soft);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    padding: 7px 10px;
    border-radius: 999px;
    margin-bottom: 12px;
}

.sfr-calculator h2,
.sfr-calculator h3,
.sfr-calculator p {
    margin-top: 0;
}

.sfr-calculator h2,
.sfr-calculator h3 {
    color: var(--sfr-text);
}

.sfr-calculator .sfr-header h2 {
    margin-bottom: 10px;
    font-size: clamp(25px, 3vw, 38px);
    line-height: 1.15;
    letter-spacing: -.02em;
    font-weight: 750;
}

.sfr-calculator .sfr-header p {
    max-width: 850px;
    margin-bottom: 0;
    color: var(--sfr-muted);
    line-height: 1.55;
}

.sfr-calculator .sfr-main-grid {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) minmax(310px, 39%) !important;
    gap: 28px !important;
    align-items: start !important;
    padding: 24px 32px 32px !important;
    width: 100% !important;
    min-width: 0 !important;
}

.sfr-calculator .sfr-form {
    min-width: 0;
}

.sfr-calculator .sfr-form-section + .sfr-form-section {
    margin-top: 28px;
    padding-top: 26px;
    border-top: 1px solid var(--sfr-border);
}

.sfr-calculator .sfr-section-heading {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 18px;
}

.sfr-calculator .sfr-step {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--sfr-accent-soft);
    color: var(--sfr-accent);
    font-weight: 800;
    font-size: 13px;
}

.sfr-calculator .sfr-section-heading h3 {
    margin: 1px 0 4px;
    font-size: 19px;
    line-height: 1.25;
    font-weight: 750;
}

.sfr-calculator .sfr-section-heading p {
    margin-bottom: 0;
    color: var(--sfr-muted);
    font-size: 13px;
    line-height: 1.45;
}

.sfr-calculator .sfr-fields {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 16px !important;
    width: 100% !important;
    min-width: 0 !important;
}

.sfr-calculator .sfr-field {
    display: block !important;
    width: 100% !important;
    min-width: 0 !important;
    max-width: none !important;
    margin: 0 !important;
    float: none !important;
    clear: none !important;
}

.sfr-calculator .sfr-field-wide {
    grid-column: 1 / -1;
}

.sfr-calculator .sfr-field > span {
    display: block;
    margin-bottom: 7px;
    color: var(--sfr-text);
    font-size: 14px;
    font-weight: 650;
}

.sfr-calculator .sfr-field small {
    display: block;
    margin-top: 6px;
    color: var(--sfr-muted);
    font-size: 12px;
    line-height: 1.4;
}

.sfr-calculator .sfr-input-wrap,
.sfr-calculator .sfr-select-wrap {
    display: flex !important;
    align-items: center !important;
    width: 100% !important;
    min-width: 0 !important;
    min-height: 50px;
    background: #fff;
    border: 1px solid var(--sfr-border);
    border-radius: 12px;
    transition: border-color .2s, box-shadow .2s;
    overflow: hidden;
}

.sfr-calculator .sfr-input-wrap:focus-within,
.sfr-calculator .sfr-select-wrap:focus-within {
    border-color: var(--sfr-accent);
    box-shadow: 0 0 0 4px rgba(36, 87, 214, .12);
}

.sfr-calculator input,
.sfr-calculator select {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    height: auto !important;
    margin: 0 !important;
    padding: 13px 14px !important;
    border: 0 !important;
    border-radius: 0 !important;
    outline: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    color: var(--sfr-text) !important;
    font: inherit !important;
    font-size: 15px !important;
    font-weight: 650 !important;
    line-height: 1.45 !important;
}

.sfr-calculator select {
    cursor: pointer;
}

.sfr-calculator .sfr-input-wrap > span {
    flex: 0 0 auto;
    padding-right: 14px;
    color: var(--sfr-muted);
    font-size: 13px;
    white-space: nowrap;
}

.sfr-calculator .sfr-error {
    min-height: 20px;
    margin-top: 14px;
    color: var(--sfr-danger);
    font-size: 13px;
    line-height: 1.45;
}

.sfr-calculator .sfr-results {
    width: 100% !important;
    min-width: 0 !important;
    padding: 26px !important;
    border-radius: 18px !important;
    background: linear-gradient(145deg, #1f4dbb, #173b91) !important;
    color: #fff !important;
    box-shadow: 0 16px 40px rgba(23, 59, 145, .22);
}

.sfr-calculator .sfr-primary-result {
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, .18);
}

.sfr-calculator .sfr-primary-result > span,
.sfr-calculator .sfr-primary-result > small {
    color: rgba(255, 255, 255, .8) !important;
}

.sfr-calculator .sfr-primary-result > span {
    display: block;
    font-size: 14px;
    font-weight: 700;
}

.sfr-calculator .sfr-primary-result strong {
    display: block;
    margin: 10px 0 8px;
    color: #fff !important;
    font-size: clamp(34px, 4.7vw, 52px);
    font-weight: 800 !important;
    line-height: 1;
    letter-spacing: -.035em;
    overflow-wrap: anywhere;
}

.sfr-calculator .sfr-primary-result small {
    font-size: 12px;
    font-weight: 650;
}

.sfr-calculator .sfr-stats {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 17px 16px !important;
    padding-top: 20px;
}

.sfr-calculator .sfr-stats > div {
    min-width: 0;
}

.sfr-calculator .sfr-stats span {
    display: block;
    margin-bottom: 4px;
    color: rgba(255, 255, 255, .7) !important;
    font-size: 12px;
    line-height: 1.35;
}

.sfr-calculator .sfr-stats strong {
    display: block;
    color: #fff !important;
    font-size: 16px;
    font-weight: 750 !important;
    line-height: 1.3;
    overflow-wrap: anywhere;
}

.sfr-calculator .sfr-highlight-stat strong {
    color: #dfffea !important;
}

.sfr-calculator .sfr-net-saving {
    margin-top: 22px;
    padding: 16px 17px;
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 13px;
    background: rgba(255, 255, 255, .08);
}

.sfr-calculator .sfr-net-saving > span {
    display: block;
    color: rgba(255, 255, 255, .78) !important;
    font-size: 12px;
    font-weight: 650;
}

.sfr-calculator .sfr-net-saving > strong {
    display: block;
    margin: 5px 0;
    color: #fff !important;
    font-size: 24px;
    font-weight: 800 !important;
    line-height: 1.2;
}

.sfr-calculator .sfr-net-saving > small {
    display: block;
    color: rgba(255, 255, 255, .68) !important;
    font-size: 11px;
    line-height: 1.4;
}

.sfr-calculator .sfr-comparison-section {
    padding: 28px 32px 34px;
    border-top: 1px solid var(--sfr-border);
    background: var(--sfr-bg);
}

.sfr-calculator .sfr-comparison-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 18px;
}

.sfr-calculator .sfr-comparison-heading h3 {
    margin-bottom: 5px;
    font-size: 21px;
    font-weight: 750;
}

.sfr-calculator .sfr-comparison-heading p {
    margin-bottom: 0;
    color: var(--sfr-muted);
    font-size: 13px;
}

.sfr-calculator .sfr-result-badge {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    max-width: 320px;
    padding: 8px 11px;
    border-radius: 999px;
    background: var(--sfr-positive-soft);
    color: var(--sfr-positive);
    font-size: 12px;
    font-weight: 750;
    line-height: 1.3;
    text-align: center;
}

.sfr-calculator .sfr-result-badge.is-negative {
    background: #fff1f0;
    color: var(--sfr-danger);
}

.sfr-calculator .sfr-table-scroll {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.sfr-calculator table {
    width: 100% !important;
    min-width: 690px;
    margin: 0 !important;
    border-collapse: separate !important;
    border-spacing: 0 !important;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--sfr-border) !important;
    border-radius: 14px;
}

.sfr-calculator th,
.sfr-calculator td {
    padding: 13px 14px !important;
    border: 0 !important;
    border-bottom: 1px solid var(--sfr-border) !important;
    background: #fff;
    color: var(--sfr-text);
    text-align: right;
    font-size: 13px !important;
    font-weight: 500 !important;
    line-height: 1.4;
    vertical-align: middle;
}

.sfr-calculator thead th {
    background: #f9fafb !important;
    color: var(--sfr-muted) !important;
    font-weight: 700 !important;
}

.sfr-calculator th:first-child,
.sfr-calculator td:first-child {
    text-align: left;
}

.sfr-calculator tbody th {
    color: var(--sfr-text) !important;
    font-weight: 650 !important;
}

.sfr-calculator tbody tr:last-child th,
.sfr-calculator tbody tr:last-child td {
    border-bottom: 0 !important;
}

.sfr-calculator .sfr-positive {
    color: var(--sfr-positive) !important;
    font-weight: 700 !important;
}

.sfr-calculator .sfr-negative {
    color: var(--sfr-danger) !important;
    font-weight: 700 !important;
}

.sfr-calculator .sfr-disclaimer {
    margin-top: 18px;
    padding: 14px 16px;
    border-radius: 12px;
    background: #fff;
    border: 1px solid var(--sfr-border);
    color: var(--sfr-muted);
    font-size: 12px;
    line-height: 1.55;
}

.sfr-calculator .sfr-disclaimer strong {
    color: var(--sfr-text);
    font-weight: 750;
}

@media (max-width: 920px) {
    .sfr-calculator .sfr-main-grid {
        grid-template-columns: 1fr !important;
    }

    .sfr-calculator .sfr-results {
        max-width: none !important;
    }
}

@media (max-width: 680px) {
    .sfr-calculator {
        margin: 16px 0;
    }

    .sfr-calculator .sfr-card {
        border-radius: 14px;
    }

    .sfr-calculator .sfr-header,
    .sfr-calculator .sfr-main-grid,
    .sfr-calculator .sfr-comparison-section {
        padding-left: 18px !important;
        padding-right: 18px !important;
    }

    .sfr-calculator .sfr-fields,
    .sfr-calculator .sfr-stats {
        grid-template-columns: 1fr !important;
    }

    .sfr-calculator .sfr-field-wide {
        grid-column: auto;
    }

    .sfr-calculator .sfr-comparison-heading {
        display: block;
    }

    .sfr-calculator .sfr-result-badge {
        margin-top: 12px;
        max-width: 100%;
    }
}