.bmi-page {
    background: #f4f7fb;
}

.bmi-page .site-main {
    max-width: 1120px !important;
    padding-top: 1.25rem;
}

.bmi-hero {
    padding-bottom: 1.35rem;
}

.bmi-calculator {
    margin-top: 1.2rem;
}

.bmi-workbench {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(390px, 1.1fr);
    overflow: hidden;
    background: #fff;
    border: 1px solid #dbe3ee;
    border-radius: 21px;
    box-shadow: 0 18px 48px rgba(20, 42, 76, 0.09);
}

.bmi-form,
.bmi-results {
    min-width: 0;
    padding: 1.35rem;
}

.bmi-panel-heading {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 0.8rem;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e2e8f0;
}

.bmi-panel-heading__icon {
    width: 50px;
    height: 48px;
    display: grid;
    place-items: center;
    color: #fff;
    background: linear-gradient(145deg, var(--blue), var(--blue-dark));
    border-radius: 13px;
    box-shadow: 0 8px 18px rgba(40, 120, 255, 0.2);
    font-size: 0.82rem;
    font-weight: 800;
}

.bmi-panel-heading .section-kicker,
.bmi-results__header .section-kicker {
    margin-bottom: 0.25rem;
}

.bmi-panel-heading h2,
.bmi-results h2,
.bmi-definition h2,
.bmi-categories h2 {
    margin: 0;
    color: var(--ink);
    font-weight: 800;
    letter-spacing: -0.035em;
}

.bmi-panel-heading h2 {
    font-size: 1.16rem;
}

.bmi-panel-heading p:last-child {
    margin: 0.25rem 0 0;
    color: #6c798c;
    font-size: 0.8rem;
}

.bmi-fields {
    display: grid;
    gap: 0.75rem;
    margin-top: 1rem;
}

.bmi-fields > label {
    display: grid;
    gap: 0.4rem;
}

.bmi-fields > label > span:first-child {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
}

.bmi-fields strong {
    color: #3d4d63;
    font-size: 0.84rem;
}

.bmi-fields small {
    color: #7a8799;
    font-size: 0.78rem;
}

.bmi-input {
    min-height: 49px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 58px;
    align-items: stretch;
    overflow: hidden;
    background: #f8fafc;
    border: 1px solid #d4dde9;
    border-radius: 10px;
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.bmi-input:focus-within {
    background: #fff;
    border-color: #78a8f5;
    box-shadow: 0 0 0 3px rgba(40, 120, 255, 0.1);
}

.bmi-input:has(input[aria-invalid="true"]) {
    border-color: #d45e50;
    box-shadow: 0 0 0 3px rgba(212, 94, 80, 0.09);
}

.bmi-input input {
    min-width: 0;
    width: 100%;
    padding: 0 0.75rem;
    color: var(--ink);
    background: transparent;
    border: 0;
    outline: 0;
    font-size: 0.96rem;
    font-variant-numeric: tabular-nums;
    font-weight: 600;
}

.bmi-input input::placeholder {
    color: #a1abb9;
    font-weight: 400;
}

.bmi-input > span {
    display: grid;
    place-items: center;
    color: #526177;
    background: #edf2f7;
    border-left: 1px solid #d7e0ea;
    font-size: 0.82rem;
    font-weight: 700;
}

.bmi-error {
    margin: 0.75rem 0 0;
    padding: 0.65rem 0.75rem;
    color: #963b30;
    background: #fff1ee;
    border: 1px solid #f0cbc5;
    border-radius: 9px;
    font-size: 0.78rem;
    font-weight: 650;
}

.bmi-actions {
    display: grid;
    grid-template-columns: 1.25fr 1fr auto;
    gap: 0.5rem;
    margin-top: 0.85rem;
}

.bmi-button,
.bmi-copy {
    min-height: 41px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.55rem 0.72rem;
    color: #34455c;
    background: #fff;
    border: 1px solid #ccd6e4;
    border-radius: 9px;
    font-size: 0.8rem;
    font-weight: 700;
}

.bmi-button:hover,
.bmi-button:focus-visible {
    color: var(--blue-dark);
    background: #f2f7ff;
    border-color: #a9c6f6;
}

.bmi-button--primary {
    color: #fff;
    background: var(--blue-dark);
    border-color: var(--blue-dark);
    box-shadow: 0 7px 16px rgba(21, 95, 219, 0.18);
}

.bmi-button--primary:hover,
.bmi-button--primary:focus-visible {
    color: #fff;
    background: #104fb4;
}

.bmi-button--quiet {
    color: #68768a;
    background: transparent;
    border-color: transparent;
}

.bmi-form-note {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-top: 0.85rem;
    padding: 0.65rem 0.7rem;
    color: #65758a;
    background: #f5f7fa;
    border-radius: 9px;
}

.bmi-form-note svg {
    flex: 0 0 auto;
    width: 17px;
    height: 17px;
    margin-top: 0.1rem;
    fill: none;
    stroke: var(--blue-dark);
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.bmi-form-note p {
    margin: 0;
    font-size: 0.78rem;
    line-height: 1.55;
}

.bmi-results {
    color: #fff;
    background:
        radial-gradient(circle at 100% 0, rgba(69, 215, 179, 0.18), transparent 34%),
        linear-gradient(145deg, #0b172a, #112744);
    border-left: 1px solid #203856;
}

.bmi-results__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.bmi-results__header .section-kicker {
    color: #84b5ff;
}

.bmi-results h2 {
    color: #fff;
    font-size: 1.08rem;
}

.bmi-copy {
    min-height: 36px;
    padding: 0.45rem 0.62rem;
    color: #dce7f5;
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.16);
}

.bmi-copy svg {
    width: 17px;
    height: 17px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.7;
}

.bmi-copy:hover,
.bmi-copy:focus-visible,
.bmi-copy.is-copied {
    color: #08271f;
    background: var(--mint);
    border-color: var(--mint);
}

.bmi-copy:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.bmi-result-main {
    display: flex;
    align-items: baseline;
    gap: 0.65rem;
    margin-top: 1.15rem;
    padding: 0.9rem 1rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 12px;
}

.bmi-result-main > span,
.bmi-result-main > small {
    color: #aebdd0;
    font-size: 0.8rem;
    font-weight: 600;
}

.bmi-result-main strong {
    color: #fff;
    font-size: clamp(2rem, 7vw, 3rem);
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.bmi-placeholder {
    margin: 1rem 0 0;
    color: #aebed1;
    font-size: 0.82rem;
    line-height: 1.6;
}

.bmi-category {
    display: grid;
    gap: 0.25rem;
    margin-top: 0.75rem;
    padding: 0.72rem;
    background: rgba(255, 255, 255, 0.065);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.bmi-category > span {
    width: fit-content;
    padding: 0.34rem 0.55rem;
    color: #fff;
    background: #63728a;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 800;
}

.bmi-category.is-underweight > span {
    color: #082f49;
    background: #7dd3fc;
}

.bmi-category.is-healthy > span {
    color: #073d31;
    background: var(--mint);
}

.bmi-category.is-overweight > span {
    color: #4d3500;
    background: #facc65;
}

.bmi-category.is-obesity-one > span {
    color: #5c2607;
    background: #fdba74;
}

.bmi-category.is-obesity-two > span,
.bmi-category.is-obesity-three > span {
    color: #fff;
    background: #e56b5b;
}

.bmi-category p {
    margin: 0;
    color: #bdcad9;
    font-size: 0.78rem;
    line-height: 1.55;
}

.bmi-scale {
    margin-top: 0.9rem;
    padding: 0 0.2rem;
}

.bmi-scale__bar {
    position: relative;
    height: 12px;
    background:
        linear-gradient(to right,
            #7dd3fc 0 17.3%,
            #45d7b3 17.3% 42.3%,
            #facc65 42.3% 61.5%,
            #fdba74 61.5% 80.8%,
            #e56b5b 80.8% 100%);
    border: 2px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
}

.bmi-scale__marker {
    position: absolute;
    top: 50%;
    left: 0;
    width: 18px;
    height: 18px;
    background: #fff;
    border: 3px solid #172a45;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
    transform: translate(-50%, -50%);
    transition: left 0.25s ease;
}

.bmi-scale__ticks {
    position: relative;
    height: 24px;
    margin-top: 0.22rem;
}

.bmi-scale__ticks span {
    position: absolute;
    top: 0;
    color: #9fadc0;
    font-size: 0.72rem;
    transform: translateX(-50%);
}

.bmi-scale__ticks span:last-child {
    transform: translateX(-100%);
}

.bmi-healthy-range {
    display: grid;
    gap: 0.25rem;
    margin-top: 0.55rem;
    padding: 0.72rem;
    color: #c6d4e4;
    background: rgba(69, 215, 179, 0.08);
    border: 1px solid rgba(69, 215, 179, 0.18);
    border-radius: 10px;
}

.bmi-healthy-range > span {
    font-size: 0.78rem;
}

.bmi-healthy-range strong {
    color: #cafff2;
    font-size: 1rem;
}

.bmi-healthy-range small {
    color: #aebdd0;
    font-size: 0.76rem;
    line-height: 1.5;
}

.bmi-substitution {
    margin: 0.65rem 0 0;
    color: #9fb0c5;
    font-size: 0.78rem;
    line-height: 1.55;
}

.bmi-results--empty .bmi-result-main {
    opacity: 0.72;
}

.bmi-definition {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(310px, 0.8fr);
    gap: 1rem;
    margin-top: 3rem;
}

.bmi-definition__main,
.bmi-limitations {
    padding: 1.35rem;
    background: #fff;
    border: 1px solid #dfe5ee;
    border-radius: 17px;
}

.bmi-definition h2,
.bmi-categories h2 {
    font-size: clamp(1.4rem, 3vw, 1.9rem);
}

.bmi-definition__main > p:not(.section-kicker),
.bmi-limitations > p {
    margin: 0.75rem 0 0;
    color: #647287;
    font-size: 0.82rem;
    line-height: 1.7;
}

.bmi-formula {
    display: grid;
    gap: 0.35rem;
    margin-top: 0.95rem;
    padding: 0.85rem;
    color: #254366;
    background: #eef5ff;
    border: 1px solid #d3e2f8;
    border-radius: 11px;
}

.bmi-formula span,
.bmi-formula small {
    color: #61738a;
    font-size: 0.78rem;
}

.bmi-formula strong {
    color: #174f9e;
    font-size: 0.94rem;
}

.bmi-limitations {
    color: #fff;
    background:
        radial-gradient(circle at 100% 0, rgba(69, 215, 179, 0.2), transparent 36%),
        var(--navy);
    border-color: transparent;
}

.bmi-limitations__icon {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    color: #facc65;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
}

.bmi-limitations__icon svg {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.bmi-limitations h2 {
    margin-top: 0.8rem;
    color: #fff;
    font-size: 1.25rem;
}

.bmi-limitations > p {
    color: #bdc9da;
}

.bmi-limitations ul {
    display: grid;
    gap: 0.5rem;
    margin: 0.85rem 0 0;
    padding: 0;
    list-style: none;
}

.bmi-limitations li {
    position: relative;
    padding-left: 1.2rem;
    color: #d2dcea;
    font-size: 0.78rem;
    line-height: 1.55;
}

.bmi-limitations li::before {
    content: "•";
    position: absolute;
    left: 0.2rem;
    color: var(--mint);
    font-weight: 900;
}

.bmi-categories {
    margin-top: 2.8rem;
    padding: 1.35rem;
    background: #fff;
    border: 1px solid #dfe5ee;
    border-radius: 17px;
}

.bmi-categories__heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1.5rem;
}

.bmi-categories__heading > p {
    max-width: 370px;
    margin: 0;
    color: #68768a;
    font-size: 0.8rem;
    line-height: 1.55;
    text-align: right;
}

.bmi-categories__table {
    overflow-x: auto;
    margin-top: 1rem;
    border: 1px solid #dfe5ee;
    border-radius: 11px;
}

.bmi-categories table {
    width: 100%;
    border-collapse: collapse;
}

.bmi-categories th,
.bmi-categories td {
    padding: 0.72rem 0.8rem;
    color: #43536a;
    border-bottom: 1px solid #e5eaf1;
    font-size: 0.8rem;
    text-align: left;
}

.bmi-categories th {
    color: #314158;
    background: #f4f7fb;
    font-weight: 800;
}

.bmi-categories tr:last-child td {
    border-bottom: 0;
}

.bmi-categories td span {
    width: 10px;
    height: 10px;
    display: inline-block;
    margin-right: 0.5rem;
    border-radius: 50%;
}

.bmi-categories td .is-underweight {
    background: #38bdf8;
}

.bmi-categories td .is-healthy {
    background: #21b995;
}

.bmi-categories td .is-overweight {
    background: #eab833;
}

.bmi-categories td .is-obesity-one {
    background: #f59e54;
}

.bmi-categories td .is-obesity-two,
.bmi-categories td .is-obesity-three {
    background: #dc6657;
}

.bmi-categories__sources {
    margin: 0.75rem 0 0;
    color: #718095;
    font-size: 0.78rem;
}

.bmi-faq {
    margin-top: 3rem;
}

@media (max-width: 900px) {
    .bmi-workbench,
    .bmi-definition {
        grid-template-columns: 1fr;
    }

    .bmi-results {
        border-top: 1px solid #203856;
        border-left: 0;
    }
}

@media (max-width: 650px) {
    .bmi-page .site-main {
        padding-top: 0.85rem;
    }

    .bmi-workbench {
        border-radius: 17px;
    }

    .bmi-form,
    .bmi-results,
    .bmi-definition__main,
    .bmi-limitations,
    .bmi-categories {
        padding: 1rem;
    }

    .bmi-actions {
        grid-template-columns: 1fr 1fr;
    }

    .bmi-button--primary {
        grid-column: 1 / -1;
    }

    .bmi-button--quiet {
        grid-column: 1 / -1;
    }

    .bmi-categories__heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 0.45rem;
    }

    .bmi-categories__heading > p {
        text-align: left;
    }
}

@media (max-width: 440px) {
    .bmi-actions {
        grid-template-columns: 1fr;
    }

    .bmi-button--primary,
    .bmi-button--quiet {
        grid-column: auto;
    }

    .bmi-results__header {
        align-items: flex-start;
        flex-direction: column;
    }

    .bmi-result-main {
        flex-wrap: wrap;
    }
}