.bmi-calculator-page {
    /* Scale bands run from calm mint to warm rose as BMI rises. */
    --bmi-band-lt25: #cfeee0;
    --bmi-band-lt25-strong: #2f9e6e;
    --bmi-band-25: #d3e8fb;
    --bmi-band-25-strong: #2f80c4;
    --bmi-band-30: #dcdffb;
    --bmi-band-30-strong: #5b63d3;
    --bmi-band-35: #eadff9;
    --bmi-band-35-strong: #8a5cc9;
    --bmi-band-40: #fde3d2;
    --bmi-band-40-strong: #d7773f;
    --bmi-band-50: #fbd8de;
    --bmi-band-50-strong: #c9516c;
    --bmi-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    color: var(--color-ink-strong);
    overflow-x: clip;
}

.bmi-calculator-page [hidden] {
    display: none !important;
}

/* Sections */

.bmi-calculator-tool,
.bmi-calculator-education,
.bmi-calculator-scope,
.bmi-calculator-faq {
    padding: var(--public-section-y) 0;
}

.bmi-calculator-tool,
.bmi-calculator-scope {
    background: var(--color-surface-soft);
}

.bmi-calculator-education,
.bmi-calculator-faq {
    background: var(--color-surface-warm);
}

.bmi-calculator-kicker {
    color: var(--color-primary);
    display: inline-block;
    font-size: 0.82rem;
    font-weight: var(--weight-semibold);
    letter-spacing: 0.08em;
    margin-bottom: 0.8rem;
    text-transform: uppercase;
}

/* Tool panel */

.bmi-calculator-panel {
    background: #fff;
    border: 1px solid var(--color-line-soft);
    border-radius: var(--tool-panel-radius);
    box-shadow: var(--tool-panel-shadow);
    overflow: hidden;
}

.bmi-calculator-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.bmi-calculator-inputs,
.bmi-calculator-result {
    padding: var(--tool-pane-padding);
}

.bmi-calculator-result {
    background: var(--color-primary-soft);
    border-left: 1px solid var(--color-line-soft);
}

/* Live meter */

.bmi-calculator-meter {
    background: #fff;
    border: 1px solid var(--color-line-soft);
    border-radius: var(--tool-card-radius);
    padding: var(--tool-card-padding);
    position: sticky;
    top: calc(var(--navbar-height, 78px) + 24px);
}

/* With a verdict shown, meter and decision read as one card: value on top, verdict below. */
.bmi-calculator-result:has(.bmi-calculator-decision:not([hidden])) .bmi-calculator-meter {
    border-radius: var(--tool-card-radius) var(--tool-card-radius) 0 0;
    position: static;
}

.bmi-calculator-meter__label {
    color: var(--color-muted);
    font-size: 0.92rem;
    font-weight: var(--weight-semibold);
    margin: 0 0 0.35rem;
}

.bmi-calculator-meter[data-state="empty"] .bmi-calculator-result__value strong {
    color: var(--color-muted);
    opacity: 0.35;
}

.bmi-calculator-scale {
    margin: 1.4rem 0 0;
}

.bmi-calculator-scale__track {
    display: flex;
    height: 10px;
    position: relative;
}

/* No flex gap: segment edges must line up with the percentage-positioned ticks and thresholds. */
.bmi-calculator-scale__segment {
    background: var(--band-soft);
    box-shadow: inset -2px 0 0 #fff;
    flex-basis: 0;
    transition: background-color 200ms ease;
}

.bmi-calculator-scale__segment:first-child {
    border-radius: 999px 0 0 999px;
}

.bmi-calculator-scale__segment--gte50 {
    border-radius: 0 999px 999px 0;
    box-shadow: none;
}

.bmi-calculator-scale__segment--lt25 { --band-soft: var(--bmi-band-lt25); --band: var(--bmi-band-lt25-strong); }
.bmi-calculator-scale__segment--25_29 { --band-soft: var(--bmi-band-25); --band: var(--bmi-band-25-strong); }
.bmi-calculator-scale__segment--30_34 { --band-soft: var(--bmi-band-30); --band: var(--bmi-band-30-strong); }
.bmi-calculator-scale__segment--35_39 { --band-soft: var(--bmi-band-35); --band: var(--bmi-band-35-strong); }
.bmi-calculator-scale__segment--40_49 { --band-soft: var(--bmi-band-40); --band: var(--bmi-band-40-strong); }
.bmi-calculator-scale__segment--gte50 { --band-soft: var(--bmi-band-50); --band: var(--bmi-band-50-strong); }

/* The active band simply fills with its strong colour in place; nothing changes shape. */
.bmi-calculator-scale__segment.is-active {
    background: var(--band);
}

.bmi-calculator-scale__threshold {
    border-left: 2px dashed rgba(16, 47, 79, 0.45);
    bottom: -6px;
    position: absolute;
    top: -6px;
    transform: translateX(-1px);
    transition: left 480ms var(--bmi-spring);
}

.bmi-calculator-scale__marker {
    --marker: var(--color-primary);
    background: #fff;
    border: 4px solid var(--marker);
    border-radius: 50%;
    /* White ring keeps the marker readable on the same-coloured active band. */
    box-shadow: 0 0 0 2px #fff;
    height: 20px;
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    transition: left 520ms var(--bmi-spring), border-color 240ms ease;
    width: 20px;
    z-index: 1;
}

.bmi-calculator-scale__marker[data-band="lt25"] { --marker: var(--bmi-band-lt25-strong); }
.bmi-calculator-scale__marker[data-band="25_29"] { --marker: var(--bmi-band-25-strong); }
.bmi-calculator-scale__marker[data-band="30_34"] { --marker: var(--bmi-band-30-strong); }
.bmi-calculator-scale__marker[data-band="35_39"] { --marker: var(--bmi-band-35-strong); }
.bmi-calculator-scale__marker[data-band="40_49"] { --marker: var(--bmi-band-40-strong); }
.bmi-calculator-scale__marker[data-band="gte50"] { --marker: var(--bmi-band-50-strong); }

.bmi-calculator-scale__marker::after {
    border: 2px solid var(--marker);
    border-radius: 50%;
    content: "";
    inset: -5px;
    opacity: 0;
    position: absolute;
}

.bmi-calculator-scale__marker.is-landed::after {
    animation: bmi-marker-ring 900ms ease-out;
}

.bmi-calculator-scale__ticks {
    color: var(--color-muted);
    font-size: 0.82rem;
    font-variant-numeric: tabular-nums;
    height: 1.3rem;
    list-style: none;
    margin: 0.55rem 0 0;
    padding: 0;
    position: relative;
}

.bmi-calculator-scale__ticks li {
    position: absolute;
    transform: translateX(-50%);
}

.bmi-calculator-scale__legend {
    align-items: center;
    color: var(--color-muted);
    display: flex;
    font-size: 0.86rem;
    gap: 0.5rem;
    line-height: 1.45;
    margin: 0.9rem 0 0;
}

.bmi-calculator-scale__legend::before {
    border-left: 2px dashed rgba(16, 47, 79, 0.45);
    content: "";
    flex: 0 0 auto;
    height: 1rem;
}

.bmi-calculator-meter__hint {
    border-top: 1px solid var(--color-line-soft);
    color: var(--color-muted);
    font-size: 0.92rem;
    line-height: 1.5;
    margin: 1.1rem 0 0;
    padding-top: 1rem;
}

.bmi-calculator-meter[data-state="live"] .bmi-calculator-meter__hint {
    color: var(--color-primary-dark);
}

.bmi-calculator-result:has(.bmi-calculator-decision:not([hidden])) .bmi-calculator-meter__hint {
    display: none;
}

/* Decision card */

.bmi-calculator-decision {
    --tone: var(--color-primary);
    --tone-soft: var(--color-primary-soft);
    animation: bmi-reveal 320ms ease-out;
    background: #fff;
    border: 1px solid var(--color-line-soft);
    border-radius: 0 0 var(--tool-card-radius) var(--tool-card-radius);
    border-top: 0;
    overflow: hidden;
}

.bmi-calculator-decision[data-tone="calm"] {
    --tone: var(--color-success);
    --tone-soft: #e3f6ec;
}

.bmi-calculator-decision[data-tone="care"] {
    --tone: #6d4fc2;
    --tone-soft: #efeafc;
}

.bmi-calculator-decision__head {
    background: var(--tone-soft);
    border-bottom: 1px solid color-mix(in srgb, var(--tone) 18%, transparent);
    padding: var(--tool-card-padding) var(--tool-card-padding) 1.15rem;
}

.bmi-calculator-decision__body {
    padding: 1.2rem var(--tool-card-padding) var(--tool-card-padding);
}

.bmi-calculator-questions {
    border-top: 1px solid var(--color-line-soft);
    margin-top: 0.4rem;
    padding-top: 1.6rem;
}

.bmi-calculator-field {
    border: 0;
    margin: 0 0 1.4rem;
    min-width: 0;
    padding: 0;
}

.bmi-calculator-field > label,
.bmi-calculator-field > legend {
    color: var(--color-ink-strong);
    display: block;
    font-size: 0.95rem;
    font-weight: var(--weight-semibold);
    margin-bottom: 0.6rem;
}

.bmi-calculator-field__help {
    color: var(--color-muted);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: -0.3rem 0 0.7rem;
}

.bmi-calculator-measures {
    display: grid;
    gap: 0 1rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.bmi-calculator-measures--imperial {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.bmi-calculator-input {
    align-items: center;
    background: #fff;
    border: 1px solid var(--color-line-soft);
    border-radius: var(--tool-card-radius);
    display: flex;
    min-height: 60px;
    padding: 0 0.6rem 0 1.1rem;
    transition: border-color 160ms ease;
}

.bmi-calculator-input:focus-within {
    border-color: var(--color-primary);
}

.bmi-calculator-input input {
    background: transparent;
    border: 0;
    color: var(--color-ink-strong);
    flex: 1 1 auto;
    font: inherit;
    font-size: 1.4rem;
    font-variant-numeric: tabular-nums;
    font-weight: var(--weight-semibold);
    min-width: 0;
    outline: none;
    padding: 0.6rem 0;
}

.bmi-calculator-input span {
    background: var(--color-primary-soft);
    border-radius: 999px;
    color: var(--color-primary-dark);
    font-size: 0.88rem;
    font-weight: 700;
    padding: 0.3rem 0.65rem;
}

.bmi-calculator-input.is-invalid {
    border-color: var(--tool-error);
}

.bmi-calculator-choice__options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

/* Unit switch sits on the label row, right-aligned above the inputs it converts. */
.bmi-calculator-unit-field {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem 1rem;
    justify-content: space-between;
}

/* A floated legend becomes a regular flex item instead of the fieldset's rendered legend. */
.bmi-calculator-field.bmi-calculator-unit-field > legend {
    float: left;
    margin: 0;
    width: auto;
}

/* Equal columns let the thumb slide exactly one segment width. */
.bmi-calculator-units {
    background: var(--color-surface-soft);
    border: 1px solid var(--color-line-soft);
    border-radius: 999px;
    display: inline-grid;
    grid-template-columns: 1fr 1fr;
    padding: 3px;
    position: relative;
}

.bmi-calculator-units::before {
    background: #fff;
    border: 1px solid var(--color-line-soft);
    border-radius: 999px;
    bottom: 3px;
    content: "";
    left: 3px;
    position: absolute;
    top: 3px;
    transition: transform 240ms ease;
    width: calc(50% - 3px);
}

.bmi-calculator-units:has(.bmi-calculator-chip:last-child input:checked)::before {
    transform: translateX(100%);
}

.bmi-calculator-chip {
    align-items: center;
    background: #fff;
    border: 1.5px solid var(--color-line-soft);
    border-radius: 999px;
    color: var(--color-ink-strong);
    cursor: pointer;
    display: inline-flex;
    font-weight: var(--weight-semibold);
    gap: 0.5rem;
    margin: 0;
    min-height: 46px;
    padding: 0.45rem 1.1rem;
    position: relative;
    touch-action: manipulation;
    transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms var(--bmi-spring);
}

.bmi-calculator-chip input {
    height: 1px;
    margin: 0;
    opacity: 0;
    position: absolute;
    width: 1px;
}

.bmi-calculator-chip:hover {
    border-color: #bcd6ea;
}

.bmi-calculator-choice .bmi-calculator-chip::before {
    border: 2px solid #bcd6ea;
    border-radius: 50%;
    content: "";
    height: 16px;
    transition: border-color 180ms ease, border-width 180ms var(--bmi-spring);
    width: 16px;
}

.bmi-calculator-chip:has(input:checked) {
    background: var(--color-primary-soft);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
    transform: scale(1.03);
}

.bmi-calculator-choice .bmi-calculator-chip:has(input:checked)::before {
    border-color: var(--color-primary);
    border-width: 5px;
}

.bmi-calculator-units .bmi-calculator-chip {
    background: transparent;
    border: 0;
    color: var(--color-muted);
    font-size: 0.92rem;
    justify-content: center;
    min-height: 38px;
    padding: 0.35rem 0.95rem;
    z-index: 1;
}

.bmi-calculator-units .bmi-calculator-chip:hover {
    color: var(--color-ink-strong);
}

.bmi-calculator-units .bmi-calculator-chip:has(input:checked) {
    background: transparent;
    color: var(--color-primary-dark);
    transform: none;
}

.bmi-calculator-chip:has(input:focus-visible),
.bmi-calculator-button:focus-visible {
    outline: 3px solid rgba(23, 105, 170, 0.35);
    outline-offset: 2px;
}

.bmi-calculator-choice.is-invalid legend {
    color: var(--tool-error);
}

.bmi-calculator-choice.is-invalid .bmi-calculator-chip {
    border-color: rgba(161, 61, 50, 0.45);
}

.bmi-calculator-error {
    color: var(--tool-error);
    font-size: 0.92rem;
    font-weight: 600;
    line-height: 1.45;
    margin: -0.6rem 0 1.2rem;
}

/* Buttons */

.bmi-calculator-button {
    text-align: center;
    transition: background-color 180ms ease, border-color 180ms ease;
}

.bmi-calculator-button--secondary:hover,
.bmi-calculator-button--secondary:focus {
    background: #fff;
}

.bmi-calculator-submit {
    border-top: 1px solid var(--color-line-soft);
    padding-top: 1.4rem;
}

.bmi-calculator-submit .bmi-calculator-error {
    margin: 0 0 0.9rem;
}

.bmi-calculator-submit .bmi-calculator-button {
    width: 100%;
}

/* Sits under the WhatsApp actions: it describes what that message contains. */
.bmi-calculator-privacy {
    align-items: flex-start;
    color: var(--color-muted);
    display: flex;
    font-size: 0.85rem;
    gap: 0.5rem;
    line-height: 1.5;
    margin: 0;
}

.bmi-calculator-privacy svg {
    color: var(--color-muted);
    flex: 0 0 auto;
    height: 14px;
    margin-top: 0.2rem;
    width: 14px;
}

/* Result */

.bmi-calculator-result__value {
    align-items: baseline;
    display: flex;
    gap: 0.45rem;
    margin: 0;
}

.bmi-calculator-result__value strong {
    color: var(--color-ink-strong);
    font-size: clamp(3rem, 7vw, 4.4rem);
    font-variant-numeric: tabular-nums;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1;
    transition: color 200ms ease;
}

.bmi-calculator-result__value span {
    color: var(--color-muted);
    font-weight: 600;
}

.bmi-calculator-result__class {
    background: #fff;
    border-radius: 999px;
    color: var(--tone);
    display: inline-block;
    font-size: 0.88rem;
    font-weight: 700;
    margin: 0 0 0.65rem;
    padding: 0.3rem 0.8rem;
}

.bmi-calculator-result h3 {
    color: var(--color-ink-strong);
    font-size: 1.3rem;
    font-weight: var(--weight-semibold);
    line-height: 1.3;
    margin: 0;
    outline: none;
    text-wrap: balance;
}

.bmi-calculator-result__body {
    color: var(--color-body);
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
}

.bmi-calculator-result h4 {
    color: var(--color-ink-strong);
    font-size: 0.95rem;
    font-weight: var(--weight-semibold);
    margin: 1.4rem 0 0.5rem;
}

.bmi-calculator-result__why {
    color: var(--color-body);
    font-size: 0.95rem;
    line-height: 1.5;
    list-style: none;
    margin: 0;
    padding: 0;
}

.bmi-calculator-result__why li {
    padding-left: 1.5rem;
    position: relative;
}

.bmi-calculator-result__why li + li {
    margin-top: 0.45rem;
}

/* Check mark drawn from two borders, tinted with the verdict tone. */
.bmi-calculator-result__why li::before {
    border-bottom: 2px solid var(--tone);
    border-right: 2px solid var(--tone);
    content: "";
    height: 10px;
    left: 0.3rem;
    position: absolute;
    top: 0.3em;
    transform: rotate(45deg);
    width: 5px;
}

.bmi-calculator-result__source {
    align-items: center;
    display: flex;
    font-size: 0.88rem;
    gap: 0.45rem;
    margin: 1.1rem 0 0;
}

.bmi-calculator-result__source svg {
    color: var(--color-muted);
    flex: 0 0 auto;
    height: 15px;
    width: 15px;
}

.bmi-calculator-result__source a {
    color: var(--color-primary-dark);
    font-weight: 600;
}

.bmi-calculator-actions {
    border-top: 1px solid var(--color-line-soft);
    display: grid;
    gap: 0.65rem;
    margin-top: 1.3rem;
    padding-top: 1.3rem;
}

.bmi-calculator-actions .bmi-calculator-button {
    width: 100%;
}

.bmi-calculator-text-button {
    align-items: center;
    color: var(--color-primary);
    display: inline-flex;
    font-size: 0.95rem;
    font-weight: var(--weight-semibold);
    justify-self: center;
    min-height: 44px;
    padding: 0.4rem 0;
    text-decoration: none;
    touch-action: manipulation;
}

.bmi-calculator-text-button:hover,
.bmi-calculator-text-button:focus {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.bmi-calculator-text-button:focus-visible {
    outline: 3px solid rgba(23, 105, 170, 0.35);
    outline-offset: 2px;
}

@keyframes bmi-reveal {
    from {
        opacity: 0;
    }
}

@keyframes bmi-marker-ring {
    from {
        opacity: 0.6;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(2.2);
    }
}

@media (prefers-reduced-motion: reduce) {
    .bmi-calculator-decision,
    .bmi-calculator-scale__marker.is-landed::after {
        animation: none;
    }

    .bmi-calculator-scale__marker,
    .bmi-calculator-scale__threshold,
    .bmi-calculator-scale__segment,
    .bmi-calculator-chip,
    .bmi-calculator-units::before {
        transition: none;
    }
}

@media (max-width: 991.98px) {
    .bmi-calculator-workspace {
        grid-template-columns: minmax(0, 1fr);
    }

    .bmi-calculator-result {
        border-left: 0;
        border-top: 1px solid var(--color-line-soft);
    }

    .bmi-calculator-meter {
        position: static;
    }
}

@media (max-width: 575.98px) {
    /* Pane and card padding stack on phones; trimming both gives the action buttons room for one line. */
    .bmi-calculator-result {
        --tool-card-padding: 18px;
        padding: 16px;
    }

    /* Inline icons travel with the label, so a wrapped label stays one centred unit instead of icon-left, text-centre. */
    .bmi-calculator-actions .bmi-calculator-button {
        display: block;
        font-size: 1rem;
        line-height: 1.35;
        padding: 0.95rem 1.25rem;
        text-wrap: balance;
    }

    .bmi-calculator-actions .bmi-calculator-button svg {
        display: inline-block;
        height: 17px;
        vertical-align: -0.2em;
        width: 17px;
    }

    .tool-button--whatsapp svg {
        margin-right: 0.45rem;
    }

    .bmi-calculator-button--secondary svg {
        margin-left: 0.35rem;
    }
}

@media (max-width: 420px) {
    .bmi-calculator-measures--imperial {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}