/* Calorie and macro calculator */

.calc {
    --calc-protein: #72AAFF;
    --calc-carbs: #E9A23B;
    --calc-fat: #E0714F;
    --calc-fiber: #2A7025;
    --calc-radius: 20px;
    margin-bottom: 48px;
}

.calc-intro {
    font-size: 18px;
    line-height: 1.7;
    color: var(--gray-text);
    margin-bottom: 24px;
}

.calc-card {
    background: var(--card-bg);
    border-radius: var(--calc-radius);
    box-shadow: var(--card-shadow);
    border: 1px solid var(--gray-border);
    padding: 24px 20px;
}

@media (min-width: 600px) {
    .calc-card {
        padding: 32px;
    }
}

/* Layout follows the card's own width, so it works beside the sidebar too */
.calc-card {
    container-type: inline-size;
}

.calc-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
}

.calc-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
}

@container (min-width: 520px) {
    .calc-row-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 16px;
    }
}

.calc fieldset {
    border: 0;
    padding: 0;
    margin: 0;
    min-width: 0;
}

.calc-label,
.calc legend {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: var(--off-black);
    margin-bottom: 8px;
    padding: 0;
}

.calc-hint {
    font-size: 14px;
    line-height: 1.5;
    color: var(--gray-small-text);
    margin-top: 8px;
}

/* Segmented radio groups */
.calc-segmented {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.calc-option {
    position: relative;
    flex: 1 1 0;
    min-width: 0;
}

.calc-option input {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    pointer-events: none;
}

.calc-option span {
    display: block;
    text-align: center;
    padding: 12px 10px;
    border: 1.5px solid var(--gray-border);
    border-radius: 12px;
    background: #FAFAFA;
    font-size: 15px;
    font-weight: 600;
    color: var(--off-black);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    line-height: 1.3;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.calc-option span small {
    display: block;
    font-size: 13px;
    font-weight: 400;
    color: var(--gray-small-text);
    margin-top: 2px;
}

.calc-option input:checked + span {
    border-color: var(--dark-green);
    background: var(--light-green);
}

.calc-option input:focus-visible + span {
    outline: 3px solid var(--dark-green-low-opacity);
    outline-offset: 2px;
}

.calc-option span:hover {
    border-color: #CFCFCF;
}

.calc-option input:checked + span:hover {
    border-color: var(--dark-green);
}

/* Activity and pace cards stack on small screens */
.calc-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

@container (min-width: 680px) {
    .calc-cards-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

.calc-cards .calc-option span {
    text-align: left;
    padding: 12px 14px;
    justify-content: flex-start;
}

/* Number inputs */
.calc-input-wrap {
    display: flex;
    align-items: center;
    min-width: 0;
    border: 1.5px solid var(--gray-border);
    border-radius: 12px;
    background: #FAFAFA;
    transition: border-color 0.15s;
}

.calc-input-wrap:focus-within {
    border-color: var(--dark-green);
    background: var(--white);
}

.calc-input-wrap input {
    flex: 1;
    min-width: 0;
    width: 100%;
    border: 0;
    background: transparent;
    padding: 12px 14px;
    font-size: 17px;
    font-family: inherit;
    color: var(--off-black);
    outline: none;
    -moz-appearance: textfield;
    appearance: textfield;
}

.calc-input-wrap input::placeholder {
    color: #BDBDBD;
    opacity: 1;
}

.calc-input-wrap input::-webkit-outer-spin-button,
.calc-input-wrap input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.calc-unit {
    padding-right: 14px;
    font-size: 15px;
    color: var(--gray-small-text);
}

.calc-pair {
    display: flex;
    gap: 8px;
}

.calc-pair .calc-input-wrap {
    flex: 1 1 0;
}

.calc-error {
    font-size: 14px;
    color: var(--red);
    margin-top: 6px;
    min-height: 0;
}

.calc-error:empty {
    display: none;
}

.has-error .calc-input-wrap,
.has-error .calc-option span {
    border-color: var(--red);
}

.calc-submit {
    display: block;
    width: 100%;
    border: 0;
    border-radius: 14px;
    background: var(--dark-green);
    color: var(--white);
    font-family: inherit;
    font-size: 17px;
    font-weight: 700;
    padding: 16px 20px;
    cursor: pointer;
    transition: opacity 0.15s;
}

.calc-submit:hover {
    opacity: 0.9;
}

.calc-submit:focus-visible {
    outline: 3px solid var(--dark-green-low-opacity);
    outline-offset: 3px;
}

.calc-privacy {
    font-size: 14px;
    color: var(--gray-small-text);
    text-align: center;
    margin-top: -8px;
}

/* Results */
.calc-results {
    margin-top: 24px;
    outline: none;
}

.calc-results[hidden] {
    display: none;
}

.calc-target {
    text-align: center;
    padding: 8px 0 24px;
    border-bottom: 1px solid var(--gray-border);
    margin-bottom: 24px;
}

.calc-target-label {
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-text);
    margin-bottom: 4px;
}

.calc-target-number {
    font-size: 56px;
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1.05;
    color: var(--dark-green);
}

.calc-target-number small {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 0;
    color: var(--gray-text);
    margin-left: 4px;
}

.calc-target-goal {
    font-size: 16px;
    color: var(--off-black);
    margin-top: 6px;
}

.calc-target-sub {
    font-size: 14px;
    color: var(--gray-small-text);
    margin-top: 6px;
}

.calc-notes {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    display: grid;
    gap: 8px;
}

.calc-notes[hidden] {
    display: none;
}

.calc-notes li {
    font-size: 15px;
    line-height: 1.55;
    color: var(--gray-text);
    background: #FFF7EC;
    border-left: 3px solid var(--calc-carbs);
    border-radius: 8px;
    padding: 12px 14px;
}

.calc-macros {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

@container (min-width: 560px) {
    .calc-macros {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

.calc-macro {
    background: #FAFAFA;
    border-radius: 14px;
    padding: 14px 16px;
}

.calc-macro-name {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-text);
}

.calc-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.calc-dot-protein { background: var(--calc-protein); }
.calc-dot-carbs { background: var(--calc-carbs); }
.calc-dot-fat { background: var(--calc-fat); }
.calc-dot-fiber { background: var(--calc-fiber); }

.calc-macro-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--off-black);
    letter-spacing: -0.5px;
    margin-top: 4px;
}

.calc-macro-value small {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-text);
    margin-left: 2px;
}

.calc-macro-detail {
    font-size: 13px;
    color: var(--gray-small-text);
}

.calc-bar {
    display: flex;
    height: 10px;
    border-radius: 999px;
    overflow: hidden;
    background: var(--gray-border);
    margin: 20px 0 8px;
}

.calc-bar span {
    display: block;
    height: 100%;
    transition: width 0.3s ease;
}

#bar-protein { background: var(--calc-protein); }
#bar-carbs { background: var(--calc-carbs); }
#bar-fat { background: var(--calc-fat); }

.calc-per-meal {
    font-size: 15px;
    color: var(--gray-text);
    margin-top: 12px;
}

.calc-per-meal strong {
    color: var(--off-black);
}

.calc-steps {
    margin-top: 24px;
    border: 1px solid var(--gray-border);
    border-radius: 14px;
    overflow: hidden;
}

.calc-steps summary {
    cursor: pointer;
    font-size: 15px;
    font-weight: 700;
    color: var(--dark-green);
    padding: 14px 16px;
    list-style-position: inside;
}

.calc-steps-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.calc-steps table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    line-height: 1.5;
    min-width: 520px;
}

.calc-steps th,
.calc-steps td {
    text-align: left;
    padding: 10px 16px;
    border-top: 1px solid var(--gray-border);
    vertical-align: top;
    color: var(--gray-text);
}

.calc-steps th {
    color: var(--off-black);
    font-weight: 600;
    white-space: nowrap;
}

.calc-steps td:last-child {
    text-align: right;
    font-weight: 700;
    color: var(--off-black);
    white-space: nowrap;
}

/* Stack the maths rows on narrow cards so nothing scrolls sideways */
@container (max-width: 519px) {
    .calc-steps table,
    .calc-steps tbody {
        display: block;
        min-width: 0;
    }

    .calc-steps tr {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        column-gap: 12px;
        border-top: 1px solid var(--gray-border);
        padding: 10px 16px;
    }

    .calc-steps th,
    .calc-steps td {
        border-top: 0;
        padding: 0;
    }

    .calc-steps th {
        grid-column: 1;
        grid-row: 1;
        white-space: normal;
    }

    .calc-steps td:last-child {
        grid-column: 2;
        grid-row: 1;
    }

    .calc-steps td:nth-child(2) {
        grid-column: 1 / -1;
        grid-row: 2;
        font-size: 13px;
        margin-top: 2px;
    }
}

.calc-cta {
    margin-top: 24px;
    background: var(--light-green);
    border-radius: 16px;
    padding: 20px;
}

.calc-cta h3 {
    font-size: 19px;
    margin-bottom: 6px;
    color: var(--off-black);
}

.calc-cta p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--gray-text);
    margin-bottom: 8px;
}

.calc-cta-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 14px;
}

.calc-cta-buttons img {
    height: 44px;
    width: auto;
    display: block;
}

.calc-cta .calc-cta-more {
    margin: 14px 0 0;
}

.calc-cta-more a {
    color: var(--dark-green);
    font-weight: 700;
    font-size: 15px;
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* Store buttons inside the guide text */
.calc-store-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin: 0 0 8px;
}

.article-body .calc-store-row img {
    height: 44px;
    width: auto;
    margin: 0;
    border-radius: 0;
    display: block;
}

/* One question at a time (added by calculator.js; without JS the full form shows) */
.calc-stepper-head {
    display: grid;
    gap: 8px;
}

.calc-progress {
    height: 6px;
    border-radius: 999px;
    background: var(--gray-border);
    overflow: hidden;
}

.calc-progress-bar {
    height: 100%;
    width: 0;
    border-radius: 999px;
    background: var(--dark-green);
    transition: width 0.25s ease;
}

.calc-progress-text {
    font-size: 14px;
    color: var(--gray-small-text);
}

.calc-form.is-stepper .calc-step {
    animation: calc-step-in 0.2s ease;
}

@keyframes calc-step-in {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
    .calc-form.is-stepper .calc-step {
        animation: none;
    }

    .calc-progress-bar {
        transition: none;
    }
}

/* In step mode the question is the heading of the card */
.calc-form.is-stepper .calc-label,
.calc-form.is-stepper .calc-step legend,
.js .calc-form:not(.calc-ready) .calc-step legend {
    font-size: 20px;
    margin-bottom: 14px;
}

.calc-nav {
    display: flex;
    gap: 12px;
}

.calc-back,
.calc-next {
    border-radius: 14px;
    font-family: inherit;
    font-size: 17px;
    font-weight: 700;
    padding: 16px 20px;
    cursor: pointer;
}

.calc-back {
    flex: 0 0 auto;
    border: 1.5px solid var(--gray-border);
    background: var(--white);
    color: var(--off-black);
}

.calc-next {
    flex: 1 1 auto;
    border: 0;
    background: var(--dark-green);
    color: var(--white);
    transition: opacity 0.15s;
}

.calc-next:hover {
    opacity: 0.9;
}

.calc-back:focus-visible,
.calc-next:focus-visible,
.calc-link-button:focus-visible {
    outline: 3px solid var(--dark-green-low-opacity);
    outline-offset: 3px;
}

.calc-summary {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px 16px;
}

.calc-summary-text {
    font-size: 15px;
    line-height: 1.5;
    color: var(--gray-text);
}

.calc-link-button {
    border: 0;
    padding: 0;
    background: none;
    font: inherit;
    font-size: 15px;
    font-weight: 700;
    color: var(--dark-green);
    text-decoration: underline;
    text-underline-offset: 2px;
    cursor: pointer;
}

/* Classes above set display, which would otherwise override the hidden attribute */
.calc [hidden] {
    display: none !important;
}

/* Before calculator.js runs, show only the first question so the form doesn't flash open and then
   collapse. The html "js" class is set in the page head; calculator.js adds "calc-ready" to the form. */
.js .calc-form:not(.calc-ready) .calc-step:not([data-step="sex"]),
.js .calc-form:not(.calc-ready) .calc-units-slot,
.js .calc-form:not(.calc-ready) .calc-submit {
    display: none;
}

/* ...and show the progress bar and Next button from the first paint, so nothing shifts when it starts */
.js .calc-form:not(.calc-ready) .calc-stepper-head[hidden] {
    display: grid !important;
}

.js .calc-form:not(.calc-ready) .calc-nav[hidden] {
    display: flex !important;
}