/* PNF Tools: calculators and food lookup. Uses the site's --pnf-* tokens and .pnf-label styles. */
.pnf-calc { margin: 1.5rem 0 2.5rem; font-family: var(--pnf-sans, system-ui, sans-serif); color: var(--pnf-ink, #1b2430); }
.pnf-calc [hidden] { display: none !important; }
.pnf-calc__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 390px); gap: 40px; align-items: start; }
@media (max-width: 860px) { .pnf-calc__grid { grid-template-columns: minmax(0, 1fr); gap: 28px; } }
.pnf-calc__form { display: grid; gap: 18px; margin: 0; }
.pnf-calc fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.pnf-calc .pnf-field { display: grid; gap: 6px; min-width: 0; margin: 0; align-content: start; }
.pnf-calc .pnf-field > label, .pnf-calc .pnf-field > legend, .pnf-calc .pnf-product > legend { font-weight: 700; font-size: .95rem; padding: 0; margin: 0 0 6px; }
.pnf-calc .pnf-field__hint { font-size: .86rem; color: var(--pnf-muted, #5b6672); margin: 0; }
.pnf-calc .pnf-field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 14px; align-items: start; }

.pnf-calc .pnf-input, .pnf-search-food .pnf-input {
  width: 100%; box-sizing: border-box; min-height: 46px; margin: 0;
  border: 2px solid var(--pnf-ink, #1b2430); border-radius: 8px; padding: 10px 12px;
  font: inherit; font-size: 1rem; color: inherit; background: #fff;
}
.pnf-calc .pnf-input:focus, .pnf-search-food .pnf-input:focus { outline: none; border-color: var(--pnf-primary, #1d6b35); box-shadow: 0 0 0 3px rgba(29, 107, 53, .25); }

/* Segmented radio buttons */
.pnf-seg { display: inline-flex; max-width: 100%; border: 2px solid var(--pnf-ink, #1b2430); border-radius: 8px; overflow: hidden; width: max-content; }
.pnf-seg input { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.pnf-seg label { display: flex; align-items: center; min-height: 42px; box-sizing: border-box; margin: 0; padding: 0 16px; font-weight: 600; cursor: pointer; border-right: 2px solid var(--pnf-ink, #1b2430); background: #fff; }
.pnf-seg label:last-of-type { border-right: 0; }
.pnf-seg input:checked + label { background: var(--pnf-ink, #1b2430); color: #fff; }
.pnf-seg input:focus-visible + label { outline: 3px solid var(--pnf-primary, #1d6b35); outline-offset: -5px; }

.pnf-calc .pnf-check { display: flex; gap: 10px; align-items: center; font-weight: 600; }
.pnf-calc .pnf-check input { width: 20px; height: 20px; margin: 0; accent-color: var(--pnf-primary, #1d6b35); }
.pnf-calc .pnf-check label { margin: 0; }
.pnf-calc .pnf-product { display: grid; gap: 12px; border-top: 3px solid var(--pnf-ink, #1b2430); padding-top: 0; }
.pnf-calc .pnf-product > legend { float: left; width: 100%; padding-top: 12px; font-weight: 800; }

/* Result panel: the site's nutrition-label look, without the homepage tilt */
.pnf-label.pnf-label--tool { transform: none; animation: none; justify-self: stretch; max-width: none; margin: 0; box-shadow: 8px 10px 0 var(--pnf-tint, #eaf4ec); background: #fff; }
.pnf-label--tool .pnf-label__title { font-size: clamp(1.6rem, 4.5vw, 2.1rem); line-height: 1.05; }
.pnf-search-food .pnf-search-food__title { margin: 0 0 14px; padding: 0; border: 0; font-size: 1.4rem; }
.pnf-label--tool .pnf-label__cal--top { border-top: 10px solid var(--pnf-ink, #1b2430); margin-top: 6px; }
.pnf-label--tool .pnf-label__cal span:last-child { white-space: nowrap; font-size: clamp(1.9rem, 6vw, 2.6rem); }
.pnf-label--tool .pnf-label__row { gap: 12px; }
.pnf-label--tool .pnf-label__row > b { white-space: nowrap; text-align: right; }
.pnf-label--tool .pnf-label__row--win span, .pnf-label--tool .pnf-label__row--win b { color: var(--pnf-primary-dark, #0e4a24); }
.pnf-label--tool .pnf-label__row--win > b::before { content: "✓ "; }
.pnf-label--tool .pnf-label__empty { font-size: .95rem; line-height: 1.5; margin: 10px 0 4px; color: var(--pnf-muted, #5b6672); }
.pnf-label--tool .pnf-label__foot a { color: var(--pnf-ink, #1b2430); }

.pnf-macro-bar { display: flex; height: 14px; margin: 8px 0 4px; border: 1px solid var(--pnf-ink, #1b2430); }
.pnf-macro-bar span { display: block; height: 100%; }
.pnf-macro-bar__p { background: var(--pnf-primary, #1d6b35); }
.pnf-macro-bar__c { background: #b8901e; }
.pnf-macro-bar__f { background: var(--pnf-ink, #1b2430); }
.pnf-sw { display: inline-block; width: 10px; height: 10px; margin-right: 6px; vertical-align: 0; }

.pnf-calc__next { margin: 22px 0 0; font-weight: 600; }
.pnf-calc__next a { color: var(--pnf-primary, #1d6b35); }

/* Food lookup */
.pnf-food-results { list-style: none; margin: 0; padding: 0; border-top: 3px solid var(--pnf-ink, #1b2430); max-height: 440px; overflow-y: auto; }
.pnf-food-results:empty { display: none; }
.pnf-food-results li { margin: 0; border-bottom: 1px solid var(--pnf-line, #dde3e8); }
.pnf-food-results button { all: unset; box-sizing: border-box; display: block; width: 100%; padding: 10px 6px; cursor: pointer; font-size: .98rem; line-height: 1.4; color: var(--pnf-ink, #1b2430); }
.pnf-food-results button:hover, .pnf-food-results button[aria-pressed="true"] { background: var(--pnf-tint, #eaf4ec); }
.pnf-food-results button[aria-pressed="true"] { box-shadow: inset 4px 0 0 var(--pnf-primary, #1d6b35); }
.pnf-food-results button:focus-visible { outline: 3px solid var(--pnf-primary, #1d6b35); outline-offset: -3px; }
.pnf-food-results small { display: block; color: var(--pnf-muted, #5b6672); font-size: .8rem; }
.pnf-food-box.is-loading { opacity: .55; transition: opacity .2s; }
.pnf-serving { margin-bottom: 16px; }

/* Food panel above search results */
.pnf-search-food { margin: 0 0 32px; padding: 24px; background: var(--pnf-tint, #eaf4ec); border-top: 6px solid var(--pnf-ink, #1b2430); font-family: var(--pnf-sans, system-ui, sans-serif); }
.pnf-search-food:empty { display: none; }
.pnf-search-food__title { margin: 0 0 14px; font-size: 1.4rem; }
.pnf-search-food .pnf-food-box { max-width: 420px; }
.pnf-search-food .pnf-field { display: grid; gap: 6px; }
.pnf-search-food .pnf-field > label { font-weight: 700; font-size: .95rem; }
.pnf-search-food .pnf-field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 14px; }
.pnf-search-food [hidden] { display: none !important; }
.pnf-search-food__more { margin: 16px 0 0; font-weight: 600; }
.pnf-search-food__more a { color: var(--pnf-primary, #1d6b35); }

@media (prefers-reduced-motion: reduce) { .pnf-food-box.is-loading { transition: none; } }
@media (min-width: 861px) { .pnf-calc__out { position: sticky; top: 110px; } .admin-bar .pnf-calc__out { top: 142px; } }

/* Friendlier "no articles yet" box under a USDA label */
.pnf-no-articles .entry-title, .pnf-no-articles .page-title { font-size: 1.6rem; }
.pnf-no-articles__body p { margin: 0 0 12px; }
.pnf-no-articles__topics { list-style: none; margin: 0 0 20px; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.pnf-no-articles__topics li { margin: 0; }
.pnf-no-articles__topics a { display: inline-block; padding: 6px 12px; border: 2px solid var(--pnf-ink, #1b2430); border-radius: 999px; font-weight: 600; font-size: .92rem; text-decoration: none; color: var(--pnf-ink, #1b2430); }
.pnf-no-articles__topics a:hover { background: var(--pnf-tint, #eaf4ec); color: var(--pnf-primary-dark, #0e4a24); }
.pnf-no-articles__topics a:focus-visible { outline: 3px solid var(--pnf-primary, #1d6b35); outline-offset: 2px; }