.calculator-intro {
    padding: 66px 0 36px;
    background: radial-gradient(circle at 78% 15%, rgba(18, 216, 232, .14), transparent 26%);
}

.calculator-intro h1 {
    max-width: 820px;
    margin: 0;
    font-size: clamp(38px, 5vw, 66px);
    letter-spacing: -.065em;
    line-height: .98;
}

.calculator-intro-lead {
    max-width: 670px;
    margin: 20px 0 0;
    color: var(--text);
    font-size: 18px;
}

.calculator-workspace {
    padding: 28px 0 70px;
    background: var(--surface-subtle);
}

.calculator-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(310px, .85fr);
    gap: 20px;
    align-items: start;
}

.calculator-form-card,
.calculator-results {
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--panel);
}

.calculator-form-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: start;
    margin-bottom: 26px;
}

.calculator-kicker,
.calculator-purchase-label {
    margin: 0;
    color: var(--cyan);
    font-size: 12px;
    font-weight: 850;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.calculator-form-head h2 {
    margin: 7px 0 0;
    font-size: 28px;
    letter-spacing: -.04em;
}

.calculator-currency {
    padding: 6px 9px;
    border-radius: 5px;
    color: var(--muted);
    background: rgba(18, 216, 232, .08);
    font-size: 12px;
    white-space: nowrap;
}

.calculator-purchases {
    margin: 0;
    padding: 0;
    border: 0;
}

.calculator-purchases legend {
    margin-bottom: 13px;
    color: var(--muted);
    font-size: 14px;
}

.calculator-purchase-list {
    display: grid;
    gap: 12px;
}

.calculator-purchase-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    padding: 17px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--surface-subtle);
}

.calculator-purchase-label,
.calculator-purchase-row-head {
    grid-column: 1 / -1;
}

.calculator-purchase-row-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
}

.calculator-purchase-row label,
.calculator-target-field {
    display: grid;
    gap: 7px;
    color: var(--text);
    font-size: 13px;
    font-weight: 700;
}

.calculator-purchase-row input,
.calculator-target-field input {
    width: 100%;
    min-height: 47px;
    padding: 0 13px;
    border: 1px solid var(--line);
    border-radius: 7px;
    outline: none;
    color: var(--paper);
    background: var(--surface);
    font: inherit;
}

.calculator-purchase-row input:focus,
.calculator-target-field input:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(18, 216, 232, .11);
}

.calculator-purchase-row input.is-invalid,
.calculator-target-field input.is-invalid {
    border-color: var(--accent-warm);
}

.calculator-add-button {
    margin-top: 14px;
}

.calculator-add-button span {
    font-size: 20px;
    line-height: 1;
}

.calculator-remove-button {
    padding: 0;
    border: 0;
    color: var(--muted);
    background: transparent;
    font: inherit;
    font-size: 13px;
    cursor: pointer;
}

.calculator-remove-button:hover {
    color: var(--accent-warm);
}

.calculator-target-field {
    margin-top: 24px;
}

.calculator-target-field span {
    color: var(--muted);
    font-size: 12px;
    font-weight: 400;
}

.calculator-results {
    position: sticky;
    top: 94px;
    border-color: rgba(18, 216, 232, .3);
    background: linear-gradient(145deg, var(--surface), var(--cyan-soft));
}

.calculator-result-list,
.calculator-target-result dl {
    display: grid;
    gap: 0;
    margin: 18px 0 0;
}

.calculator-result-list > div,
.calculator-target-result dl > div {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 0;
    border-top: 1px solid var(--line);
}

.calculator-result-list dt,
.calculator-target-result dt {
    color: var(--muted);
    font-size: 13px;
}

.calculator-result-list dd,
.calculator-target-result dd {
    margin: 0;
    font-weight: 780;
    text-align: right;
}

.calculator-result-accent dd {
    color: var(--cyan);
    font-size: 20px;
}

.calculator-target-result {
    margin-top: 20px;
    padding: 17px;
    border-radius: 9px;
    background: var(--surface-subtle);
}

.calculator-target-result > p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.calculator-target-result strong {
    color: var(--paper);
}

.calculator-target-result dl {
    margin-top: 10px;
}

.calculator-target-result dl > div:last-child {
    padding-bottom: 0;
}

.is-positive {
    color: var(--green);
}

.is-negative {
    color: var(--red);
}

.calculator-result-hint {
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 12px;
}

.calculator-content-grid {
    display: grid;
    grid-template-columns: .85fr 1.15fr;
    gap: 56px;
}

.calculator-copy {
    color: var(--text);
}

.calculator-copy p {
    margin: 0 0 18px;
}

.calculator-formula {
    padding: 18px 20px;
    border-left: 2px solid var(--cyan);
    color: var(--paper);
    background: rgba(18, 216, 232, .07);
    font-weight: 750;
}

.calculator-faq-wrap {
    max-width: 900px;
}

.calculator-faq {
    display: grid;
    gap: 10px;
}

.calculator-faq details {
    padding: 0 19px;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: var(--panel);
}

.calculator-faq summary {
    padding: 18px 26px 18px 0;
    cursor: pointer;
    font-weight: 750;
}

.calculator-faq p {
    margin: 0 0 18px;
    color: var(--muted);
    font-size: 14px;
}

.calculator-disclaimer {
    margin: 28px 0 0;
    padding: 16px 18px;
    border-left: 2px solid var(--accent-warm);
    color: var(--text);
    background: #fceeea;
    font-size: 13px;
}

@media (max-width: 900px) {
    .calculator-layout,
    .calculator-content-grid {
        grid-template-columns: 1fr;
    }

    .calculator-results {
        position: static;
    }
}

@media (max-width: 570px) {
    .calculator-intro {
        padding-top: 45px;
    }

    .calculator-intro-lead {
        font-size: 16px;
    }

    .calculator-workspace {
        padding-bottom: 50px;
    }

    .calculator-form-card,
    .calculator-results {
        padding: 20px;
    }

    .calculator-form-head,
    .calculator-purchase-row {
        grid-template-columns: 1fr;
    }

    .calculator-form-head {
        align-items: flex-start;
        flex-direction: column;
    }

    .calculator-purchase-row label {
        grid-column: auto;
    }

    .calculator-result-list > div,
    .calculator-target-result dl > div {
        align-items: flex-start;
        flex-direction: column;
        gap: 5px;
    }

    .calculator-result-list dd,
    .calculator-target-result dd {
        text-align: left;
    }
}

/* Light financial editorial theme */
.calculator-intro {
    color: var(--ink);
    background:
        radial-gradient(circle at 78% 15%, rgba(0, 124, 145, .11), transparent 28%),
        var(--bg);
}

.calculator-intro-lead,
.calculator-copy {
    color: var(--text);
}

.calculator-workspace {
    background: var(--surface-subtle);
}

.calculator-form-card,
.calculator-results,
.calculator-faq details {
    color: var(--ink);
    background: var(--surface);
    box-shadow: 0 12px 30px rgba(19, 34, 56, .06);
}

.calculator-currency {
    background: var(--cyan-soft);
}

.calculator-purchase-row,
.calculator-target-result {
    background: var(--surface-subtle);
}

.calculator-purchase-row label,
.calculator-target-field {
    color: var(--text);
}

.calculator-purchase-row input,
.calculator-target-field input {
    color: var(--ink);
    background: var(--surface);
}

.calculator-purchase-row input:focus,
.calculator-target-field input:focus {
    box-shadow: 0 0 0 3px rgba(0, 124, 145, .13);
}

.calculator-purchase-row input.is-invalid,
.calculator-target-field input.is-invalid {
    border-color: var(--accent-warm);
}

.calculator-remove-button:hover {
    color: var(--accent-warm);
}

.calculator-results {
    border-color: rgba(0, 124, 145, .3);
    background: linear-gradient(145deg, var(--surface), var(--cyan-soft));
}

.calculator-target-result strong,
.calculator-formula {
    color: var(--ink);
}

.calculator-formula {
    background: var(--cyan-soft);
}

.is-negative {
    color: var(--red);
}

.calculator-disclaimer {
    color: var(--text);
    border-left-color: var(--accent-warm);
    background: #fceeea;
}

.calculator-field-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.calculator-field {
    display: grid;
    gap: 7px;
    color: var(--text);
    font-size: 13px;
    font-weight: 700;
}

.calculator-field input,
.calculator-field select {
    width: 100%;
    min-height: 47px;
    padding: 0 13px;
    border: 1px solid var(--line);
    border-radius: 7px;
    outline: none;
    color: var(--ink);
    background: var(--surface);
    font: inherit;
}

.calculator-field input:focus,
.calculator-field select:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(0, 124, 145, .13);
}

.calculator-field input.is-invalid {
    border-color: var(--accent-warm);
}

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

.calculator-direction {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin: 0 0 22px;
    padding: 0;
    border: 0;
}

.calculator-direction legend {
    grid-column: 1 / -1;
    margin-bottom: 3px;
    color: var(--muted);
    font-size: 14px;
}

.calculator-direction label {
    display: flex;
    align-items: center;
    gap: 9px;
    min-height: 46px;
    padding: 0 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--ink);
    background: var(--surface-subtle);
    cursor: pointer;
    font-size: 14px;
    font-weight: 750;
}

.calculator-direction input {
    accent-color: var(--cyan);
}

.calculator-catalog {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.calculator-card {
    display: flex;
    min-width: 0;
    flex-direction: column;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 12px;
    color: var(--ink);
    background: var(--surface);
    box-shadow: 0 10px 28px rgba(19, 34, 56, .05);
    transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.calculator-card:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 124, 145, .5);
    box-shadow: 0 14px 34px rgba(19, 34, 56, .09);
}

.calculator-card h2 {
    margin: 14px 0 12px;
    font-size: 24px;
    letter-spacing: -.035em;
    line-height: 1.1;
}

.calculator-card p {
    margin: 0 0 22px;
    color: var(--muted);
    font-size: 14px;
}

.calculator-card-link {
    margin-top: auto;
    color: var(--cyan);
    font-size: 14px;
    font-weight: 800;
}

.calculator-unavailable {
    margin: 48px auto 72px;
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 12px;
    color: var(--text);
    background: var(--surface);
    text-align: center;
}

@media (max-width: 570px) {
    .calculator-field-grid,
    .calculator-direction,
    .calculator-catalog {
        grid-template-columns: 1fr;
    }

    .calculator-field-wide,
    .calculator-direction legend {
        grid-column: auto;
    }

    .calculator-card {
        padding: 20px;
    }
}