/* ==========================================================================
   FitKitchen · hoja de estilos
   --------------------------------------------------------------------------
   1. Variables (colores, radios, sombras)
   2. Reinicio y base
   3. Utilidades (sr-only, skip-link, no-print)
   4. Layout (cabecera, contenedor, pie)
   5. Componentes (botones, chips, formularios, tarjetas, macros, paneles)
   6. Páginas (inicio, recetas, detalle, planificador, calculadora)
   7. Responsive, impresión y accesibilidad
   ========================================================================== */

/* 1. Variables ------------------------------------------------------------ */
:root {
  --pine: #14352a;
  --olive: #6b7a3a;
  --olive-light: #7d8e45;
  --sage: #eef1e4;
  --fiber: #a3b36b;
  --bg: #fafaf5;
  --surface: #fff;
  --surface-muted: #f3f5f0;
  --text: #14352a;
  --white: #fff;
  --black: #000;
  --red: #dc2626;
  --border: #e5e7eb;
  --pine-70: rgb(20 53 42 / 0.7);
  --pine-60: rgb(20 53 42 / 0.6);

  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.05);
  --shadow-lift: 0 12px 28px #14352a22;

  --container: 72rem;
  --transition: 0.25s;

  color-scheme: light;
}

/* 2. Reinicio y base ------------------------------------------------------ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, sans-serif;
  line-height: 1.5;
}

h1,
h2,
h3,
p,
ul,
ol,
dl,
dd {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
  color: inherit;
}

button {
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}

summary {
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--olive);
  outline-offset: 2px;
}

/* 3. Utilidades ----------------------------------------------------------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 50;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  background: var(--pine);
  color: var(--white);
}

.skip-link:focus {
  top: 0.5rem;
}

.link {
  color: var(--olive);
  text-decoration: underline;
}

.link-button {
  margin-left: 0.5rem;
  color: var(--olive);
  font-size: 0.875rem;
  text-decoration: underline;
}

/* 4. Layout --------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1rem;
}

.main {
  padding-block: 1.5rem;
}

.main:focus {
  outline: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding-block: 0.75rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.125rem;
  font-weight: 700;
}

.brand__accent {
  color: var(--olive);
}

.main-nav__list {
  display: flex;
  gap: 0.25rem;
  overflow-x: auto;
  font-size: 0.875rem;
}

.main-nav__link {
  display: block;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  transition: background-color var(--transition);
}

.main-nav__link:hover {
  background: var(--sage);
}

.main-nav__link.is-active {
  background: var(--pine);
  color: var(--white);
}

.site-footer {
  padding: 2rem 1rem;
  text-align: center;
  font-size: 0.75rem;
  color: rgb(20 53 42 / 0.5);
}

/* 5. Componentes ---------------------------------------------------------- */

/* Botones y chips */
.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  background: var(--pine);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
  transition: background-color var(--transition);
}

.btn:hover {
  background: var(--olive);
}

.btn--accent {
  padding: 0.75rem 1.5rem;
  background: var(--olive);
  font-size: 1rem;
}

.btn--accent:hover {
  background: var(--olive-light);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.chip {
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--surface);
  font-size: 0.875rem;
  transition: border-color var(--transition), background-color var(--transition);
}

.chip:hover {
  border-color: var(--olive);
}

.chip.is-active {
  border-color: var(--pine);
  background: var(--pine);
  color: var(--white);
}

.icon-button {
  padding: 0 0.5rem;
  color: var(--red);
}

/* Formularios */
.input,
.select {
  width: 100%;
  padding: 0.375rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  font-size: 0.875rem;
}

.input--pill {
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-pill);
  font-size: 1rem;
}

.input--search:focus {
  border-color: var(--olive);
  outline: none;
}

.select--wide {
  width: 100%;
  max-width: 24rem;
  margin-top: 0.75rem;
  padding: 0.5rem 0.75rem;
}

.select--small {
  margin-top: 0.25rem;
  padding: 0.25rem 0.5rem;
  background: var(--sage);
  font-size: 0.75rem;
}

.field__label {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.75rem;
}

/* Tarjeta de receta */
.recipe-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.recipe-grid > li {
  display: flex;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  overflow: hidden;
  border: 1px solid rgb(0 0 0 / 0.05);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: fade-in 0.35s;
}

.card:hover,
.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

.card__media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 8rem;
  font-size: 3.75rem;
}

.card__fav {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  z-index: 2;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: rgb(255 255 255 / 0.9);
  font-size: 1.125rem;
  line-height: 1;
  transition: transform var(--transition);
}

.card__fav:hover {
  transform: scale(1.1);
}

.card__fav.is-active {
  color: var(--red);
}

.card__badge {
  position: absolute;
  bottom: 0.5rem;
  left: 0.5rem;
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-pill);
  background: var(--pine);
  color: var(--white);
  font-size: 10px;
}

.card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem;
}

.card__title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.25;
}

/* Toda la tarjeta es clicable gracias al enlace del título */
.card__link::after {
  content: '';
  position: absolute;
  inset: 0;
}

.card__footer {
  margin-top: auto;
}

.card__meta {
  display: flex;
  justify-content: space-between;
  margin-top: 0.5rem;
  color: var(--pine-70);
  font-size: 0.75rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.tag {
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-pill);
  background: var(--sage);
  color: var(--olive);
  font-size: 10px;
}

.tag--large {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
}

/* Casillas de macros */
.macros {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  text-align: center;
}

.macros__celda {
  display: flex;
  flex-direction: column-reverse; /* el valor se ve arriba aunque en el HTML vaya después */
  padding-block: 0.5rem;
  border-radius: 0.75rem;
}

.macros__celda dd {
  font-weight: 700;
}

.macros__celda dt {
  font-size: 10px;
  opacity: 0.8;
}

.macros__celda--kcal {
  background: var(--pine);
  color: var(--white);
}

.macros__celda--prot {
  background: var(--olive);
  color: var(--white);
}

.macros__celda--carb {
  background: var(--sage);
}

.macros__celda--grasa {
  background: var(--black);
  color: var(--white);
}

/* Paneles y secciones */
.panel {
  margin-top: 2rem;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.panel--sage {
  border-color: transparent;
  background: var(--sage);
}

.panel--dark {
  margin-top: 0;
  margin-bottom: 1rem;
  border-color: transparent;
  background: var(--pine);
  color: var(--white);
}

.panel__label {
  font-size: 1rem;
  font-weight: 700;
}

.panel__summary {
  max-width: 28rem;
  margin-top: 0.75rem;
}

.panel__note {
  margin-top: 0.75rem;
  color: var(--pine-60);
  font-size: 0.75rem;
}

.panel__goal {
  margin-top: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.section {
  margin-top: 2.5rem;
}

.section__title {
  font-size: 1.25rem;
  font-weight: 700;
}

.panel > .section__title {
  margin-bottom: 0.75rem;
}

.section__subtitle {
  margin-bottom: 0.75rem;
  color: var(--pine-60);
  font-size: 0.875rem;
}

.empty {
  padding: 4rem 1rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  text-align: center;
}

.empty__icon {
  font-size: 3rem;
  line-height: 1.2;
}

.empty__title {
  margin-top: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: 1rem;
  font-weight: 500;
}

.empty__text {
  color: var(--pine-60);
  font-size: 0.875rem;
}

/* 6. Páginas -------------------------------------------------------------- */
.page {
  animation: fade-in 0.35s;
}

.page__title {
  margin-bottom: 1rem;
  font-size: 1.5rem;
  font-weight: 700;
}

.page__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.page__header .page__title {
  margin-bottom: 0;
}

/* Inicio */
.hero {
  padding: 2rem;
  border-radius: var(--radius-xl);
  background: var(--pine);
  color: var(--white);
}

.hero__title {
  max-width: 36rem;
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1.2;
}

.hero__text {
  max-width: 32rem;
  margin-top: 0.75rem;
  color: rgb(255 255 255 / 0.7);
}

.hero__search {
  display: flex;
  gap: 0.5rem;
  max-width: 36rem;
  margin-top: 1.5rem;
}

.hero__search .input {
  flex: 1;
  border-color: transparent;
  color: var(--pine);
}

.hero__search .input:focus {
  outline: none;
}

.hero__search .btn {
  border-radius: var(--radius-pill);
}

/* Listado de recetas */
.filters {
  margin-bottom: 1rem;
}

.filters .chips {
  margin-block: 0.75rem;
}

.advanced {
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.advanced__summary {
  font-weight: 500;
}

.advanced__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.field--wide {
  grid-column: span 2;
}

.advanced__note {
  margin-top: 0.5rem;
  color: var(--pine-60);
  font-size: 0.75rem;
}

.results-count {
  margin-bottom: 0.75rem;
  color: var(--pine-70);
  font-size: 0.875rem;
}

/* Categorías */
.category-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.category-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  text-align: left;
  transition: transform var(--transition), box-shadow var(--transition);
}

.category-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 4rem;
  height: 4rem;
  border-radius: var(--radius-lg);
  background: var(--sage);
  font-size: 2.25rem;
}

.category-card__name {
  display: block;
}

.category-card__icon img {
  display: block;
  width: 3.5rem;
  height: 3.5rem;
  object-fit: contain;
}

.category-heading {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.category-heading__icon {
  display: block;
  flex: 0 0 auto;
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
}

.category-card__count {
  color: var(--pine-60);
  font-size: 0.875rem;
}

/* Detalle de receta */
.back-link {
  display: inline-block;
  margin-bottom: 0.75rem;
  color: var(--olive);
  font-size: 0.875rem;
}

.detail__card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--surface);
}

.detail__media {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 14rem;
  font-size: 8rem;
  line-height: 1;
}

.detail__content {
  display: grid;
  gap: 2rem;
  padding: 1.5rem;
}

.detail__title {
  margin-top: 0.5rem;
  font-size: 1.875rem;
  font-weight: 700;
}

.detail__lead {
  margin-top: 0.5rem;
  color: var(--pine-70);
}

.detail__meta {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  font-size: 0.875rem;
}

.detail__heading {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  font-size: 1rem;
  font-weight: 700;
}

.servings {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
  font-size: 0.875rem;
}

.servings__btn {
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--border);
  border-radius: 50%;
}

.servings__btn:hover {
  background: var(--sage);
}

.ingredients {
  font-size: 0.875rem;
}

.ingredients__item {
  display: flex;
  justify-content: space-between;
  padding-block: 0.375rem;
}

.ingredients__item + .ingredients__item {
  border-top: 1px solid var(--border);
}

.steps {
  display: grid;
  gap: 0.5rem;
  counter-reset: paso;
}

.steps__item {
  display: flex;
  gap: 0.75rem;
  font-size: 0.875rem;
  counter-increment: paso;
}

.steps__item::before {
  content: counter(paso);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: var(--pine);
  color: var(--white);
  font-size: 0.75rem;
}

.nutrition {
  margin-top: 0.75rem;
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  background: var(--sage);
}

.nutrition__kcal {
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.2;
}

.nutrition__kcal span {
  font-size: 1rem;
  font-weight: 400;
}

.nutrition__row {
  margin-bottom: 0.75rem;
}

.nutrition__label {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
}

.nutrition__note {
  margin-top: 0.75rem;
  color: var(--pine-60);
  font-size: 0.75rem;
}

.split-bar,
.bar {
  display: flex;
  overflow: hidden;
  border-radius: var(--radius-pill);
}

.split-bar {
  height: 0.75rem;
  margin-block: 0.75rem;
}

.bar {
  height: 0.5rem;
  background: var(--surface);
}

.bar-fill {
  height: 100%;
  transition: width 0.5s;
}

.bar-fill--prot {
  background: var(--olive);
}

.bar-fill--carb {
  background: var(--pine);
}

.bar-fill--grasa {
  background: var(--black);
}

.bar-fill--fibra {
  background: var(--fiber);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

/* 7. Responsive, animaciones, impresión ----------------------------------- */
@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}

@media (min-width: 640px) {
  .hero {
    padding: 3rem;
  }

  .hero__title {
    font-size: 3rem;
  }

  .recipe-grid,
  .category-grid,
  .shopping {
    grid-template-columns: repeat(2, 1fr);
  }

  .detail__media {
    height: 18rem;
  }

  .detail__content {
    padding: 2rem;
  }

  .select--wide {
    width: 24rem;
  }
}

@media (min-width: 768px) {
  .advanced__grid {
    grid-template-columns: repeat(4, 1fr);
  }

}

@media (min-width: 1024px) {
  .recipe-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .category-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .detail__content {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

}

@media (min-width: 1280px) {
  .week {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media print {
  .no-print {
    display: none !important;
  }
}

/* Páginas informativas y enlaces legales */
.footer-nav { display:flex; flex-wrap:wrap; justify-content:center; gap: .75rem 1.25rem; margin-top: .85rem; }
.footer-nav a, .legal-content a { color: var(--color-accent, #526b42); text-decoration: underline; text-underline-offset: 3px; }
.legal-page { max-width: 820px; margin-inline: auto; }
.legal-warning { padding: .9rem 1rem; border-left: 4px solid #c18a27; background: #fff7e6; color: #654b1d; border-radius: .35rem; }
.legal-content { line-height: 1.75; }
.legal-content h2 { margin: 1.8rem 0 .5rem; font-size: 1.2rem; }
.legal-content p { margin: .75rem 0; }
.cookie-notice { position:fixed; z-index:1000; inset:auto 1rem 1rem; max-width:980px; margin-inline:auto; display:flex; align-items:center; justify-content:space-between; gap:1.25rem; padding:1rem 1.2rem; border:1px solid #d9dfd4; border-radius:14px; background:#fff; color:#26352d; box-shadow:0 8px 32px rgba(0,0,0,.16); }
.cookie-notice p { margin:.3rem 0 0; font-size:.9rem; line-height:1.45; }
.cookie-notice a { text-decoration:underline; }
@media (max-width: 640px) { .cookie-notice { inset:auto .5rem .5rem; flex-direction:column; align-items:stretch; gap:.75rem; } .footer-nav { gap:.6rem 1rem; } }

/* FitKitchen Astro: imágenes de recetas y elementos editoriales */
.recipe-card__image { width: 100%; height: 100%; object-fit: cover; display: block; }
.card__media { overflow: hidden; background: #e9eee5; }
.detail__media { overflow: hidden; background: #e9eee5; }
.detail__media img { display: block; width: 100%; height: 100%; max-height: 34rem; object-fit: cover; }
.card__media-link { display: block; }
.eyebrow { color: var(--olive); font-size: .75rem; font-weight: 700; letter-spacing: .12em; }
.hero .page__title { margin-top: .5rem; font-size: clamp(2rem, 5vw, 3.25rem); }
.section__subtitle { margin: .4rem 0 1rem; color: var(--pine-70); }
.btn--secondary { background: var(--sage); color: var(--pine); }
.footer-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem 1rem; margin-top: .75rem; }
.legal-content h2 { margin: 1.5rem 0 .5rem; font-size: 1.1rem; }
.legal-content p { margin: .65rem 0; }
.recipe-grid { align-items: stretch; }

.input--search { width: min(100%, 32rem); margin: 1rem 0; padding: .7rem 1rem; border: 1px solid var(--border); border-radius: var(--radius-pill); background: var(--surface); }

.card__media-link { position: absolute; inset: 0; display: block; }
.card__emoji { position: absolute; z-index: 1; left: 50%; top: 50%; transform: translate(-50%, -50%); font-size: 3.5rem; pointer-events: none; }


/* FitKitchen: portada interna de receta con fotografía completa */
.detail__media {
  height: clamp(19rem, 55vw, 32rem);
  padding: .75rem;
  background: var(--surface-muted);
}
.detail__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: contain;
  object-position: center;
}
@media (min-width: 640px) {
  .detail__media { height: clamp(24rem, 45vw, 36rem); }
}


/* Tema claro/oscuro: se apoya en los mismos tokens para mantener la identidad. */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101b17;
  --surface: #192720;
  --surface-muted: #22342a;
  --text: #edf3ed;
  --white: #f7faf7;
  --black: #0b120e;
  --border: #35483c;
  --sage: #2a3b30;
  --fiber: #a3b36b;
  --olive: #a8bd79;
  --olive-light: #bfd18f;
  --pine-70: rgb(237 243 237 / .78);
  --pine-60: rgb(237 243 237 / .68);
  --shadow-sm: 0 1px 3px rgb(0 0 0 / .22);
  --shadow-lift: 0 12px 28px rgb(0 0 0 / .28);
}

:root[data-theme="dark"] .site-header,
:root[data-theme="dark"] .site-footer {
  background: var(--surface);
}
:root[data-theme="dark"] .site-footer { color: rgb(237 243 237 / .62); }
:root[data-theme="dark"] .card,
:root[data-theme="dark"] .category-card,
:root[data-theme="dark"] .panel,
:root[data-theme="dark"] .advanced,
:root[data-theme="dark"] .empty,
:root[data-theme="dark"] .detail__card {
  border-color: var(--border);
  background: var(--surface);
}
:root[data-theme="dark"] .card__media,
:root[data-theme="dark"] .detail__media { background: var(--surface-muted); }
:root[data-theme="dark"] .input,
:root[data-theme="dark"] .select,
:root[data-theme="dark"] .input--search,
:root[data-theme="dark"] .chip {
  border-color: var(--border);
  background: var(--surface);
  color: var(--text);
}
:root[data-theme="dark"] .btn--secondary { background: var(--sage); color: var(--text); }
:root[data-theme="dark"] .nutrition { background: var(--sage); }
:root[data-theme="dark"] .macros__celda--carb { background: var(--sage); color: var(--text); }
:root[data-theme="dark"] .bar { background: #34473b; }
:root[data-theme="dark"] .legal-warning { border-color: #c18a27; background: #382f1d; color: #f4dfb1; }
:root[data-theme="dark"] .cookie-notice { border-color: var(--border); background: var(--surface); color: var(--text); }
:root[data-theme="dark"] .category-card__icon { background: var(--sage); }

.theme-toggle {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  min-height: 2.4rem;
  padding: .4rem .75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--text);
  font-size: .8125rem;
  font-weight: 600;
  transition: background-color var(--transition), border-color var(--transition), transform var(--transition);
}
.theme-toggle:hover { border-color: var(--olive); background: var(--sage); }
.theme-toggle:active { transform: scale(.98); }
.theme-toggle__icon { font-size: 1rem; line-height: 1; }
.site-header__inner { column-gap: .85rem; }

/* Jerarquía y respiración entre bloques de la portada. */
.hero + .page { margin-top: 2rem; }
.page + .page { margin-top: 2rem; }
.section__subtitle { margin-bottom: 1rem; }

/* Separador de cierre en la ficha de cada categoría. */
.category-page__divider {
  height: 1px;
  margin-top: 2rem;
  border: 0;
  background: var(--olive);
  opacity: .55;
}

@media (max-width: 520px) {
  .site-header__inner { gap: .65rem; }
  .theme-toggle { min-height: 2.25rem; padding-inline: .6rem; font-size: .75rem; }
  .brand { font-size: 1rem; }
  .main-nav { width: 100%; }
  .main-nav__list { justify-content: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  .theme-toggle { transition: none; }
}

:root[data-theme="dark"] .hero__search .input { background: #fff; color: #14352a; }

:root[data-theme="dark"] .btn--accent { background: #60743a; color: #fff; }
:root[data-theme="dark"] .btn:hover { background: #526b35; }
:root[data-theme="dark"] .card__fav { color: #14352a; }