/* Batch 2 additions. Original style.css and kit files remain unchanged.
   Shared rules below address only the replaced navigation/footer. Calculator
   rules are limited to the three new body[data-page] namespaces. */

[data-calculator-nav] .nav__bar {
  flex-wrap: nowrap;
  justify-content: space-between;
  gap: 20px;
}
[data-calculator-nav] .nav__logo.brand {
  flex: 0 0 auto;
  min-width: 0;
}
[data-calculator-nav] .nav__links {
  display: flex !important;
  flex: 0 1 auto;
  align-self: center;
  align-items: center;
  justify-content: flex-end;
  width: auto;
  max-width: 100%;
  margin: 0 0 0 auto;
  gap: 8px;
}
[data-calculator-nav] .nav__link {
  min-height: 44px;
  height: 44px;
  padding-inline: 8px;
  text-decoration: none;
}
[data-calculator-nav] .nav__link::before,
[data-calculator-nav] .nav__link[aria-current="page"]::after {
  left: 8px;
  right: 8px;
  bottom: 2px;
}
[data-calculator-nav] .nav__toggle {
  display: none;
}
[data-calculator-nav] .nav__toggle svg {
  width: 20px;
  height: 20px;
}
[data-calculator-nav] .nav-toggle-close,
[data-calculator-nav].is-open .nav-toggle-open {
  display: none;
}
[data-calculator-nav].is-open .nav-toggle-close {
  display: block;
}
[data-calculator-nav] .calc-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
[data-calculator-footer] nav a {
  max-width: 100%;
  white-space: normal;
}
[data-calculator-footer] nav a[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 5px;
}
/* State only, owned by the shared menu controller. */
html.calc-menu-open,
body.calc-menu-open {
  overflow: hidden;
}

@media (min-width: 1024px) and (max-width: 1279px) {
  [data-calculator-nav] .nav__bar { gap: 12px; }
  [data-calculator-nav] .nav__logo.brand { font-size: 18px; gap: 8px; }
  [data-calculator-nav] .nav__links { gap: 4px; }
  [data-calculator-nav] .nav__link { padding-inline: 4px; font-size: 14px; }
  [data-calculator-nav] .nav__link::before,
  [data-calculator-nav] .nav__link[aria-current="page"]::after { left: 4px; right: 4px; }
}

@media (max-width: 1023px) {
  [data-calculator-nav] .nav__bar { gap: 12px; }
  [data-calculator-nav] .nav__logo.brand { flex: 0 1 auto; }
  /* Restore the kit's fullscreen sheet, overriding the first-batch always-on row. */
  [data-calculator-nav]:not(.is-open) .nav__links { display: none !important; }
  [data-calculator-nav] .nav__toggle {
    display: inline-grid;
    place-items: center;
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    margin-left: auto;
    padding: 0;
    border: 1px solid #b8c4c2;
    border-radius: 8px;
    color: var(--p-ink);
    background: var(--p-bg);
  }
  [data-calculator-nav].is-open .nav__links {
    display: flex !important;
    align-self: stretch;
    position: fixed;
    top: var(--nav);
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 20px var(--gut) calc(32px + env(safe-area-inset-bottom));
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    background: var(--p-bg);
  }
  [data-calculator-nav].is-open .nav__link {
    display: flex;
    flex: 0 0 auto;
    min-height: 56px;
    height: auto;
    padding: 16px 0;
    border-bottom: 1px solid #d5dfdb;
    border-radius: 0;
    font-size: 20px;
    line-height: 1.2;
    white-space: normal;
  }
  [data-calculator-nav].is-open .nav__link[aria-current="page"]::after {
    left: 0;
    right: auto;
    width: 24px;
    bottom: 8px;
  }
}

@media (max-width: 399px) {
  [data-calculator-nav] .nav__logo.brand { gap: 6px; font-size: 16px; letter-spacing: -.6px; }
  [data-calculator-nav] .nav__bar { gap: 8px; }
}

/* New calculator pages only. */
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calculator-layout {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: start;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) :is(.calculator-form, .calculator-result) {
  min-width: 0;
  max-width: 100%;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calculator-form :is(input, select) {
  min-width: 0;
  max-width: 100%;
  font-size: 16px;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calculator-form :is(input[type="number"], select) {
  min-height: 48px;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calculator-form > .form-grid:first-child {
  margin-top: 0;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calculator-form .field {
  line-height: 1.4;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calculator-form .hint {
  margin-top: 10px;
  line-height: 1.6;
  color: var(--p-ink);
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calculator-form .scope-note {
  margin-top: 0;
  color: var(--p-ink);
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calc-unit-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(80px, 104px);
  gap: 12px;
  align-items: end;
  min-width: 0;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) #height-imperial {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
  min-width: 0;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) :is(#deficit-profile, .calc-profile) {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid #d5dfdb;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .mode-switch {
  margin-bottom: 24px;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .mode-switch label {
  padding-block: 6px;
  min-height: 44px;
  line-height: 1.5;
  cursor: pointer;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .mode-switch input[type="radio"] {
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  margin: 0;
}
body[data-page="deficit"] .calc-pace {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 12px;
  margin-top: 24px;
}
body[data-page="deficit"] .calc-pace legend {
  margin-bottom: 12px;
}
body[data-page="deficit"] .calc-pace label {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding-block: 8px;
  font-size: 14px;
  line-height: 1.4;
  cursor: pointer;
}
body[data-page="deficit"] .calc-pace input {
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  margin: 0;
  accent-color: var(--p-accent);
}
@media (max-width: 399px) {
  body[data-page="deficit"] .calc-pace {
    grid-template-columns: minmax(0, 1fr);
  }
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calculator-form button[type="reset"] {
  min-height: 44px;
  margin-top: 24px;
  white-space: normal;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) #calc-error {
  margin-block: 16px 0;
  color: #a62b24;
  font-size: 14px;
  line-height: 1.6;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) #calc-error:empty {
  margin: 0;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calculator-form [aria-invalid="true"] {
  outline: 2px solid #a62b24;
  outline-offset: -2px;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) #calc-results {
  min-width: 0;
  max-width: 100%;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calc-comparison {
  width: 100%;
  min-width: 0;
  table-layout: fixed;
  font-size: 14px;
  line-height: 1.5;
}
body[data-page="tdee"] .calc-comparison caption {
  caption-side: top;
  text-align: right;
  margin-bottom: 8px;
  font-size: 12px;
  color: var(--p-ink);
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calc-comparison :is(th, td) {
  padding: 16px 8px;
  overflow-wrap: anywhere;
  vertical-align: top;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calc-comparison th:first-child {
  width: 46%;
  font-weight: 500;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calc-comparison .is-primary {
  color: #0c625c;
  background: #edf6f2;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calc-comparison td[colspan] {
  text-align: left;
  color: var(--p-muted);
  font-size: 13px;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calc-stats {
  display: grid;
  gap: 0;
  margin: 0;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calc-stat {
  min-width: 0;
  padding-block: 20px;
  border-bottom: 1px solid #d5dfdb;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calc-stat:first-child {
  padding-top: 0;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calc-stat dt {
  margin-bottom: 10px;
  color: var(--p-muted);
  font-size: 14px;
  line-height: 1.5;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calc-value {
  margin: 0;
  font-size: clamp(24px, 2.4vw, 34px);
  line-height: 1.25;
  font-weight: 500;
  letter-spacing: -.7px;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calc-value small {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) :is(#calc-interpretation, .calc-interpretation) {
  margin-top: 24px;
  font-size: 16px;
  line-height: 1.65;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) #calc-interpretation:empty {
  margin-top: 0;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) :is(#calc-warning, .is-warning) {
  color: #a62b24;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) #calc-warning {
  margin-top: 20px;
  padding-left: 16px;
  border-left: 3px solid #a62b24;
  font-size: 14px;
  line-height: 1.65;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calculator-result .disclaimer {
  margin-top: 24px;
  color: var(--p-ink);
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calc-source {
  margin-top: 20px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--p-ink);
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calc-formulas dd {
  margin-inline-start: 0;
}
/* Formula tables must keep all rows visible when text needs more than a screen. */
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) #formula {
  height: auto;
  min-height: 100svh;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) #formula > .wrap {
  height: auto;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) #formula .table-scroll {
  flex-shrink: 0;
}
body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .table-scroll {
  max-width: 100%;
  overflow-x: auto;
  margin-block: 0 20px;
}

@media (max-width: 767px) {
  body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calculator-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}
@media (max-width: 639px) {
  body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) :is(.calculator-form, .calculator-result) {
    padding: 20px;
  }
  body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calculator-form .form-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calculator-form #height-imperial {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calculator-form button[type="reset"] {
    width: 100%;
  }
  body:is([data-page="tdee"], [data-page="bmi"], [data-page="deficit"]) .calc-comparison :is(th, td) {
    padding: 14px 6px;
  }
}

/* Batch 3: existing guide typography and the protein calculator only. */
.copy-paragraph { display: block; }
.geo-answer .copy-paragraph + .copy-paragraph { margin-top: 12px; }
.geo-answer .copy-paragraph { padding: 0; }
.fitness-guide :is(.hero--compact, .section),
body[data-page="protein"] :is(.hero--compact, .section) { height: auto; min-height: 100svh; }
.fitness-guide :is(.hero--compact, .section) > .wrap,
body[data-page="protein"] :is(.hero--compact, .section) > .wrap { height: auto; }
.fitness-guide .guide-hero > .wrap { display: flex; flex-direction: column; justify-content: center; min-height: 0; }
.fitness-guide .back-link, body[data-page="protein"] .back-link { display: inline-flex; align-items: center; min-height: 44px; width: fit-content; margin-bottom: 24px; }
.fitness-guide .geo-answer, body[data-page="protein"] .geo-answer { max-width: 65ch; font-size: 18px; line-height: 1.6; }
.fitness-guide .geo-answer p, body[data-page="protein"] .geo-answer p { margin: 0; }
.fitness-guide .article-layout { display: grid; grid-template-columns: repeat(12,minmax(0,1fr)); gap: 24px; align-items: start; padding-block: 0; }
.fitness-guide .article-layout > h2 { grid-column: 1 / span 5; }
.fitness-guide .article-layout > .guide-copy { grid-column: 6 / -1; }
body[data-page="protein"] .calculator-layout > * { grid-column: auto; }
.fitness-guide .article-layout h2 { max-width: 18ch; }
.fitness-guide .guide-copy { min-width: 0; width: 100%; max-width: 100%; }
.fitness-guide .guide-copy p { font-size: 16px; line-height: 1.7; color: var(--p-ink); margin: 0 0 14px; }
.fitness-guide .table-scroll { max-width: 100%; overflow-x: auto; margin-block: 32px; }
.fitness-guide .guide-table { width: 100%; min-width: 420px; font-size: 15px; line-height: 1.6; }
.fitness-guide .guide-table caption { font-size: 15px; text-align: left; margin-bottom: 16px; }
.fitness-guide .guide-table :is(th,td) { padding: 14px 12px; vertical-align: top; }
.fitness-guide .source-links, body[data-page="protein"] .source-links { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 24px; }
.fitness-guide .source-links a, body[data-page="protein"] .source-links a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: underline; text-underline-offset: 5px; }
.fitness-guide .faq-answer .copy-paragraph, body[data-page="protein"] .faq-answer .copy-paragraph { margin: 0 0 14px; padding: 0; color: var(--p-ink); font-size: 16px; line-height: 1.65; }
.fitness-guide .faq-item, body[data-page="protein"] .faq-item { margin-bottom: 0; }
body[data-page="protein"] .calculator-layout { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 24px; align-items: start; margin-top: 40px; }
body[data-page="protein"] :is(.calculator-form,.calculator-result) { min-width: 0; max-width: 100%; padding: 32px; }
body[data-page="protein"] .calculator-form :is(input,select) { font-size: 16px; min-width: 0; }
body[data-page="protein"] .calculator-form .form-grid { display: grid; grid-template-columns: minmax(0,1fr); gap: 24px; margin-top: 24px; }
body[data-page="protein"] .calc-unit-row { display: grid; grid-template-columns: minmax(0,1fr) 96px; gap: 12px; align-items: end; }
body[data-page="protein"] .protein-goals { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 24px; }
body[data-page="protein"] .protein-goals legend { margin-bottom: 8px; }
body[data-page="protein"] .protein-goals label,
body[data-page="protein"] .protein-kidney { display: inline-flex; align-items: center; gap: 10px; min-height: 48px; cursor: pointer; font-size: 16px; line-height: 1.5; }
body[data-page="protein"] :is(.protein-goals,.protein-kidney) input { flex: 0 0 20px; width: 20px; height: 20px; margin: 0; accent-color: var(--p-accent); }
body[data-page="protein"] .protein-kidney { margin-block: 20px; }
body[data-page="protein"] .calculator-form button[type="reset"] { display: flex; min-height: 44px; }
body[data-page="protein"] .calc-stats { margin: 24px 0 0; display: grid; gap: 20px; }
body[data-page="protein"] .calc-stat { min-width: 0; padding-bottom: 20px; border-bottom: 1px solid #d5dfdb; }
body[data-page="protein"] .calc-stat dt { font-size: 15px; margin-bottom: 8px; }
body[data-page="protein"] .calc-value { margin: 0; font-size: clamp(28px,3vw,38px); line-height: 1.25; letter-spacing: -.7px; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
body[data-page="protein"] .calc-value small { font-size: 16px; letter-spacing: 0; }
body[data-page="protein"] .calc-interpretation { margin-top: 24px; font-size: 16px; line-height: 1.65; }
body[data-page="protein"] :is(.calc-source,.disclaimer), body[data-page="macro"] .calc-source { font-size: 13px; line-height: 1.6; margin-top: 20px; color: var(--p-ink); }
body[data-page="protein"] #calc-warning { margin-top: 24px; font-size: 16px; line-height: 1.6; }
body[data-page="protein"] .protein-list { max-width: 70ch; padding-left: 24px; margin-top: 40px; }
body[data-page="protein"] .protein-list li { padding-left: 8px; margin-bottom: 40px; }
body[data-page="protein"] .protein-list p, body[data-page="protein"] .protein-formula-copy p { font-size: 16px; line-height: 1.65; margin-top: 16px; max-width: 70ch; }
@media(max-width:767px) {
 .fitness-guide .article-layout, body[data-page="protein"] .calculator-layout { grid-template-columns: minmax(0,1fr); }
 .fitness-guide .article-layout { gap: 32px; padding-block: 0; }
 .fitness-guide .article-layout > h2, .fitness-guide .article-layout > .guide-copy { grid-column: 1 / -1; }
 .fitness-guide .article-layout h2 { max-width: 100%; }
 .fitness-guide .geo-answer, body[data-page="protein"] .geo-answer { font-size: 16px; }
 .fitness-guide .guide-hero > .wrap { justify-content: flex-start; }
 body[data-page="protein"] :is(.calculator-form,.calculator-result) { padding: 20px; }
}
@media(prefers-reduced-motion:reduce) {
 .fitness-guide [data-enter], body[data-page="protein"] [data-enter] { opacity: 1; transform: none; }
}
/* Six persistent tool links need a compact row at the smallest desktop width. */
@media (min-width: 1024px) and (max-width: 1150px) {
 [data-calculator-nav] .nav__logo.brand { font-size: 16px; gap: 6px; }
 [data-calculator-nav] .nav__links { gap: 2px; }
 [data-calculator-nav] .nav__link { font-size: 13px; padding-inline: 3px; }
}

.fitness-guide .guide-hero .hero-text, body[data-page="protein"] .protein-hero .hero-text { height: auto; }