/* ==========================================================================
   veronicapaganessi.it — foglio di stile principale
   Tutti i valori (colori, spazi, durate…) sono definiti in variables.css.
   Classi in notazione BEM: .blocco, .blocco__elemento, .blocco--variante.
   Stati gestiti da JS: .is-active, .is-visible, .is-dragging, .is-clamped,
   .is-popping, .is-flying (farfalla), .is-unavailable (prenotazione).

   Punto di rottura unico: 40rem (640px). Sotto: layout mobile a tutta
   larghezza. Sopra: feed centrato e barra di navigazione flottante.
   Ogni componente contiene la propria variante desktop.

   Indice
   1. Base
   2. Layout: sfondo ambient, feed, sezioni, footer
   3. Profilo e riquadri in evidenza
   4. Intestazione di sezione
   5. Post e carosello
   6. Componenti: icone, bottoni, chip, blocchi, contatti, mappa, toast
   7. Barra di navigazione e pannello Opzioni
   8. Animazioni
   ========================================================================== */


/* 1. Base
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--safe-top) + var(--space-4));
  /* Il cambio di palette dello sfondo è una dissolvenza (vedi @property --ambient) */
  transition: --ambient var(--ambient-duration) var(--ease-out);
}

body {
  margin: 0;
  min-height: 100dvh;
  overflow-x: clip;
  padding-bottom: calc(var(--nav-height) + var(--safe-bottom) + var(--space-6));
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

img,
svg,
iframe {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

h1,
h2,
h3,
h4,
p,
ul,
figure {
  margin: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: var(--leading-tight);
  letter-spacing: -0.01em;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

a {
  color: var(--color-accent);
  text-underline-offset: 0.2em;
}

button {
  font: inherit;
  color: inherit;
}

/* Un elemento con l'attributo hidden resta nascosto anche se un componente
   gli assegna un display (es. grid) */
[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: fixed;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-on-accent);
  translate: 0 -200%;
}

.skip-link:focus {
  translate: 0 0;
}


/* 2. Layout
   ========================================================================== */

/* Sfondo ambient: strato fisso dietro la pagina, tinto con il colore della
   foto attiva (--ambient è aggiornato da main.js) */
.ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(110% 65% at 50% -8%,
      color-mix(in oklab, var(--ambient) var(--ambient-strength), transparent) 0%,
      transparent 72%),
    radial-gradient(70% 55% at 100% 100%,
      color-mix(in oklab, var(--ambient) calc(var(--ambient-strength) * 0.7), transparent) 0%,
      transparent 70%),
    radial-gradient(60% 50% at 0% 65%,
      color-mix(in oklab, var(--ambient) calc(var(--ambient-strength) * 0.5), transparent) 0%,
      transparent 70%);
}

/* Effetto ambient spento dal visitatore (pannello Opzioni, <html data-ambient-effect="off">):
   sfondo e bagliore attorno alle foto (.post__glow) svaniscono in dissolvenza */
.ambient,
.post__glow {
  transition: opacity var(--duration-slow) var(--ease-out), visibility 0s;
}

:root[data-ambient-effect="off"] :is(.ambient, .post__glow) {
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-slow) var(--ease-out), visibility 0s linear var(--duration-slow);
}

/* Feed: colonna unica che contiene le tre sezioni del sito.
   minmax(0, 1fr) impedisce alle righe a scorrimento orizzontale (chip,
   riquadri in evidenza) di allargare la pagina su mobile. */
.feed {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-12);
  width: 100%;
  max-width: var(--feed-width);
  margin-inline: auto;
  padding-top: calc(var(--safe-top) + var(--space-6));
}

.feed__section {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-10);
}

.feed__section + .feed__section {
  --section-space: var(--space-12);
  --section-line: 1px;
  padding-top: var(--section-space);
  border-top: var(--section-line) solid var(--color-border);
  /* Dal menu si arriva al titolo della sezione, non alla riga che la separa */
  scroll-margin-top: calc(-1 * (var(--section-space) + var(--section-line)));
}

.site-footer {
  display: grid;
  gap: var(--space-1);
  max-width: var(--feed-width);
  margin: var(--space-12) auto 0;
  padding: var(--space-6) var(--gutter) 0;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  text-align: center;
}

.site-footer strong {
  color: var(--color-text);
  font-size: var(--text-sm);
}

.site-footer__social {
  display: flex;
  justify-content: center;
  gap: var(--space-1);
  margin: var(--space-2) 0 0;
  padding: 0;
  list-style: none;
}

.site-footer__social .icon-btn {
  color: var(--color-text-muted);
}

.site-footer__social .icon-btn:hover {
  color: var(--color-text);
}

@media (min-width: 40rem) {
  body {
    padding-bottom: calc(var(--nav-height) + var(--safe-bottom) + var(--space-12));
  }

  .feed {
    width: min(100% - 2 * var(--gutter), var(--feed-width));
    padding-top: var(--space-8);
  }

  .feed__section {
    gap: var(--space-12);
  }

  .site-footer {
    width: min(100% - 2 * var(--gutter), var(--feed-width));
    padding-inline: 0;
  }
}


/* 3. Profilo e riquadri in evidenza
   ========================================================================== */

.profile {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  padding-inline: var(--gutter);
}

.profile__head {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.profile__name {
  font-size: var(--text-2xl);
}

.profile__role {
  margin-top: var(--space-1);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.profile__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: var(--space-3) 0;
  border-block: 1px solid var(--color-border);
  list-style: none;
  text-align: center;
}

.profile__stats li {
  display: grid;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.profile__stats strong {
  color: var(--color-text);
  font-size: var(--text-lg);
}

.profile__bio {
  font-size: var(--text-md);
}

.profile__actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

/* Avatar con anello "storia" che ruota lentamente */
.avatar-ring {
  --size: 5.75rem;
  position: relative;
  flex: none;
  width: var(--size);
  aspect-ratio: 1;
  padding: 3px;
  border-radius: 50%;
  isolation: isolate;
}

.avatar-ring::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: var(--ring-gradient);
  animation: spin 9s linear infinite;
}

.avatar-ring img {
  width: 100%;
  height: 100%;
  border: 3px solid var(--color-bg);
  border-radius: 50%;
  object-fit: cover;
}

/* Riquadri in evidenza, come le "storie in evidenza" */
.highlights {
  display: flex;
  gap: var(--space-4);
  margin: 0;
  padding: var(--space-1) var(--gutter);
  overflow-x: auto;
  list-style: none;
  scroll-snap-type: x proximity;
  scroll-padding-inline: var(--gutter);
  scrollbar-width: none;
}

.highlights::-webkit-scrollbar {
  display: none;
}

.highlight {
  scroll-snap-align: start;
}

.highlight a {
  display: grid;
  justify-items: center;
  gap: var(--space-2);
  width: 4.75rem;
  color: var(--color-text);
  font-size: var(--text-xs);
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
}

.highlight img {
  width: 4.25rem;
  aspect-ratio: 1;
  padding: 3px;
  border: 1.5px solid var(--color-border);
  border-radius: 50%;
  object-fit: cover;
  object-position: var(--focus, 50% 35%); /* stesso punto focale della foto nel post (main.js) */
  background-clip: content-box;
  transition: transform var(--duration) var(--ease-out), border-color var(--duration);
}

.highlight a:hover img,
.highlight a:focus-visible img {
  border-color: var(--color-accent);
  transform: scale(1.05);
}

@media (min-width: 40rem) {
  .profile {
    padding-inline: 0;
  }

  .highlights {
    justify-content: space-between;
    padding-inline: 0;
  }

  .avatar-ring {
    --size: 7.5rem;
  }
}


/* 4. Intestazione di sezione (Servizi, Contatti)
   ========================================================================== */

.page-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  padding-inline: var(--gutter);
}

.page-intro__title {
  font-size: var(--text-2xl);
}

.page-intro p {
  color: var(--color-text-muted);
  font-size: var(--text-md);
}

@media (min-width: 40rem) {
  .page-intro {
    padding-inline: 0;
  }
}


/* 5. Post e carosello
   ========================================================================== */

.post {
  display: grid;
}

/* Titolo sopra la galleria */
.post__header {
  position: relative;
  z-index: 1;
  padding: 0 var(--gutter) var(--space-3);
}

.post__title {
  font-size: var(--text-xl);
}

.post__media {
  position: relative;
  isolation: isolate;
}

/* Bagliore ambient attorno alla foto: copia sfocata dell'immagine attiva,
   creata da main.js. Sborda solo in verticale: un'estensione orizzontale
   allargherebbe la pagina su mobile, spostando la barra di navigazione. */
.post__glow {
  position: absolute;
  inset: calc(var(--glow-spread) * -1) 0;
  z-index: -1;
  pointer-events: none;
  opacity: var(--glow-opacity);
  filter: blur(var(--glow-blur)) saturate(var(--glow-saturate));
}

.post__glow img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out);
}

.post__glow img.is-visible {
  opacity: 1;
}

/* Barra azioni sotto la foto: condividi · indicatori · azione extra */
.post__bar {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 3rem;
  padding: var(--space-1) calc(var(--gutter) - var(--space-3));
}

.post__bar-start {
  display: flex;
}

.post__bar-end {
  display: flex;
  justify-content: flex-end;
}

/* Farfalla "mi piace" (easter egg, generata da main.js).
   Pulsante sotto la foto: contorno → colorato con aria-pressed="true".
   Farfalla grande: compare sopra la foto al doppio tocco/clic. */
.like-btn[aria-pressed="true"] {
  color: var(--brand-butterfly);
}

.like-btn[aria-pressed="true"] .icon {
  fill: var(--brand-butterfly-light);
}

.like-btn.is-popping .icon {
  animation: like-pop 0.45s var(--ease-out);
}

.icon.like-burst {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 6.5rem;
  height: 6.5rem;
  margin: auto;
  color: var(--brand-butterfly);
  fill: var(--brand-butterfly-light);
  stroke-width: 1.5;
  filter: drop-shadow(0 0.25rem 1rem rgb(0 0 0 / 0.35));
  opacity: 0;
  pointer-events: none;
}

.like-burst.is-flying {
  animation: like-burst 1.1s var(--ease-out) both;
}

/* Didascalia */
.post__body {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  padding-inline: var(--gutter);
}

/* Nome del profilo a inizio didascalia, link a Instagram */
.post__handle {
  color: inherit;
  font-weight: 700;
  text-decoration: none;
}

.post__handle:hover {
  text-decoration: underline;
}

/* Didascalie con data-clamp: oltre le 8 righe vengono troncate con "altro"
   (le attuali stanno in 7 righe anche su un telefono da 320px) */
.post__text.is-clamped {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: var(--clamp-lines, 8);
  line-clamp: var(--clamp-lines, 8);
  overflow: hidden;
}

.post__more {
  justify-self: start;
  margin-top: calc(var(--space-2) * -1);
  padding: 0;
  border: 0;
  background: none;
  color: var(--color-text-muted);
  cursor: pointer;
}

.post__subtitle {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.post__list {
  display: grid;
  gap: var(--space-2);
  padding: 0;
  list-style: none;
}

.post__list li {
  display: flex;
  gap: var(--space-2);
}

.post__list li::before {
  content: "";
  flex: none;
  width: 0.4rem;
  height: 0.4rem;
  margin-top: 0.6em;
  border-radius: 50%;
  background: var(--color-accent);
}

.post__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
  padding: 0;
  list-style: none;
  color: var(--color-accent);
  font-size: var(--text-sm);
}

/* Indicatori di posizione del carosello (generati da main.js) */
.dots {
  display: flex;
  gap: 0.3rem;
}

.dots span {
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background: var(--color-text-muted);
  opacity: 0.35;
  transition: opacity var(--duration), transform var(--duration), background-color var(--duration);
}

.dots span.is-active {
  background: var(--color-accent);
  opacity: 1;
  transform: scale(1.3);
}

/* Carosello: scorrimento nativo con scroll-snap, funziona anche senza JS */
.carousel {
  display: flex;
  aspect-ratio: var(--ratio, 4 / 5);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  background: var(--color-surface-2);
  /* Doppio tocco riservato alla farfalla "mi piace": niente zoom né selezione */
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}

.carousel::-webkit-scrollbar {
  display: none;
}

.carousel--landscape {
  --ratio: 3 / 2;
}

/* Trascinamento col mouse in corso: snap sospeso (main.js) */
.carousel.is-dragging {
  scroll-snap-type: none;
  scroll-behavior: auto;
  cursor: grabbing;
}

.carousel__slide {
  position: relative;
  flex: 0 0 100%;
  /* clip e non hidden: hidden renderebbe la slide un contenitore di scroll,
     interrompendo l'animazione legata allo scorrimento del carosello */
  overflow: clip;
  scroll-snap-align: center;
  scroll-snap-stop: always;
}

.carousel__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* Punto focale personalizzabile per singola foto: style="--focus: 40% 30%" */
  object-position: var(--focus, 50% 35%);
  -webkit-user-drag: none;
}

.carousel__count {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-pill);
  background: rgb(0 0 0 / 0.55);
  color: #fff;
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

/* Frecce: visibili solo con mouse, al passaggio sulla foto */
.carousel__btn {
  position: absolute;
  top: 50%;
  display: none;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 0;
  border-radius: 50%;
  background: rgb(255 255 255 / 0.88);
  color: #1c2427;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  opacity: 0;
  translate: 0 -50%;
  transition: opacity var(--duration), transform var(--duration-fast);
}

.carousel__btn--prev {
  left: var(--space-3);
}

.carousel__btn--next {
  right: var(--space-3);
}

.carousel__btn:active {
  transform: scale(0.9);
}

.carousel__btn[disabled] {
  visibility: hidden;
}

@media (hover: hover) and (pointer: fine) {
  .carousel {
    cursor: grab;
  }

  .carousel__btn {
    display: grid;
  }

  .post__media:hover .carousel__btn,
  .carousel__btn:focus-visible {
    opacity: 1;
  }
}

@media (min-width: 40rem) {
  .post__header,
  .post__body {
    padding-inline: 0;
  }

  .post__bar {
    margin-inline: calc(var(--space-3) * -1);
    padding-inline: 0;
  }

  .carousel,
  .post__glow {
    border-radius: var(--radius-lg);
  }
}


/* 6. Componenti
   ========================================================================== */

/* Icone (sprite SVG in assets/img/icons.svg) */
.icon {
  flex: none;
  width: 1.5rem;
  height: 1.5rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon--sm {
  width: 1.125rem;
  height: 1.125rem;
}

/* Pulsante rotondo con sola icona */
.icon-btn {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: background-color var(--duration-fast), transform var(--duration-fast);
}

.icon-btn:hover {
  background: var(--color-surface-2);
}

.icon-btn:active {
  transform: scale(0.9);
}

/* Bottoni */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 2.75rem;
  padding: 0 var(--space-4);
  border: 0;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: filter var(--duration-fast), transform var(--duration-fast);
}

.btn:hover {
  filter: brightness(1.07);
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-on-accent);
}

.btn--ghost {
  background: var(--color-surface-2);
  color: var(--color-text);
}

/* Bottone discreto (es. Condividi nel profilo): trasparente, si colora al
   passaggio come i pulsanti icona dei post; angoli smussati */
.btn--subtle {
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text);
  transition: background-color var(--duration-fast), transform var(--duration-fast);
}

.btn--subtle:hover {
  background: var(--color-surface-2);
  filter: none;
}

.btn--block {
  width: 100%;
}

/* Chip: etichette informative o link rapidi */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: 0;
  list-style: none;
}

.chips--scroll {
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}

.chips--scroll::-webkit-scrollbar {
  display: none;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-text);
  font-size: var(--text-sm);
  line-height: 1.3;
  text-decoration: none;
}

.chips--scroll .chip {
  flex: none;
  white-space: nowrap;
}

.chip .icon {
  color: var(--color-accent);
}

a.chip {
  transition: background-color var(--duration-fast);
}

a.chip:hover {
  background: color-mix(in oklab, var(--color-accent-soft), var(--color-accent) 18%);
}

/* Blocco di contenuto con titolo (Recapiti, Dove trovarmi) */
.block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  padding-inline: var(--gutter);
}

.block__title {
  font-size: var(--text-xl);
}

@media (min-width: 40rem) {
  .block {
    padding-inline: 0;
  }
}

/* Lista contatti in stile "impostazioni" di un'app */
.contact-list {
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: color-mix(in oklab, var(--color-surface) 88%, transparent);
  box-shadow: var(--shadow-sm);
  list-style: none;
}

.contact-list li + li {
  border-top: 1px solid var(--color-border);
}

.contact-item {
  display: grid;
  grid-template-columns: 2.75rem 1fr auto;
  align-items: center;
  gap: var(--space-3);
  min-height: 4rem;
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  text-decoration: none;
  transition: background-color var(--duration-fast);
}

.contact-item:hover {
  background: var(--color-surface-2);
}

.contact-item__icon {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

/* WhatsApp: stessi colori della CTA "Prenota" (canale principale) */
.contact-item__icon--whatsapp {
  background: var(--color-accent);
  color: var(--color-on-accent);
}

.contact-item__text {
  display: grid;
  min-width: 0;
  line-height: 1.3;
}

.contact-item__label {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.contact-item__value {
  font-weight: 600;
  overflow-wrap: anywhere;
}

.contact-item__arrow {
  color: var(--color-text-muted);
}

/* Anteprima della mappa */
.map {
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface-2);
  box-shadow: var(--shadow-sm);
}

.map iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* Tema scuro: mappa in tonalità scure, coerente con il tema */
:root[data-theme="dark"] .map iframe {
  filter: invert(0.9) hue-rotate(180deg) saturate(0.7) brightness(0.95);
}

.address {
  display: grid;
  gap: var(--space-1);
  font-style: normal;
}

.address strong {
  font-size: var(--text-md);
}

.address span {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* Notifica temporanea (es. "Link copiato"), creata da main.js */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--nav-height) + var(--safe-bottom) + var(--space-4));
  z-index: 40;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  background: var(--color-text);
  color: var(--color-bg);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-md);
  pointer-events: none;
  translate: -50% 0;
  animation: toast 2.6s var(--ease-out) both;
}


/* 7. Barra di navigazione (fissa in basso, stile app) e pannello Opzioni
   ========================================================================== */

.tabbar {
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  z-index: 30;
  display: grid;
  /* Una colonna uguale per ogni voce: aggiungere una voce non richiede altro */
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  height: calc(var(--nav-height) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  border-top: 1px solid var(--color-border);
  background: var(--color-glass);
  -webkit-backdrop-filter: blur(18px) saturate(1.6);
  backdrop-filter: blur(18px) saturate(1.6);
}

.tabbar__link {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 0.2rem;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 500;
  text-decoration: none;
}

.tabbar__icon {
  display: grid;
  place-items: center;
  width: 3.75rem;
  height: 2rem;
  border-radius: var(--radius-pill);
  transition: background-color var(--duration) var(--ease-out), transform var(--duration-fast);
}

.tabbar__link:active .tabbar__icon {
  transform: scale(0.88);
}

/* Voce della sezione visibile (aria-current impostato da main.js) */
.tabbar__link[aria-current="true"] {
  color: var(--color-text);
  font-weight: 700;
}

.tabbar__link[aria-current="true"] .tabbar__icon {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.tabbar__link[aria-current="true"] .icon {
  stroke-width: 2.25;
}

@media (min-width: 40rem) {
  .tabbar {
    left: 50%;
    right: auto;
    bottom: calc(var(--space-4) + var(--safe-bottom));
    grid-auto-columns: 6.75rem;
    height: var(--nav-height);
    padding: var(--space-1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    box-shadow: var(--shadow-nav);
    translate: -50% 0;
  }
}

/* Voce "Opzioni": a destra, separata dalle sezioni da una linea sottile.
   Il pulsante ha l'aspetto delle altre voci (.tabbar__link); il pannello che
   apre è posizionato rispetto alla barra (position: fixed). */
.tabbar__settings {
  display: grid;
  background: linear-gradient(var(--color-border), var(--color-border)) left center / 1px 50% no-repeat;
}

.tabbar__settings-btn {
  padding: 0;
  border: 0;
  background: none;
  color: var(--color-text-muted);
  cursor: pointer;
}

/* Pannello aperto: stesso aspetto della voce attiva */
.tabbar__settings-btn[aria-expanded="true"] {
  color: var(--color-text);
  font-weight: 700;
}

.tabbar__settings-btn[aria-expanded="true"] .tabbar__icon {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

/* Pannello Opzioni, sopra la barra e allineato a destra. Si allarga con la
   dimensione del testo scelta. */
.settings {
  position: absolute;
  right: var(--gutter);
  bottom: calc(100% + var(--space-3));
  width: min(calc(17rem * var(--text-scale)), calc(100vw - 2 * var(--gutter)));
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-nav);
  transform-origin: bottom right;
  animation: settings-in var(--duration) var(--ease-out);
}

.settings__title {
  padding-block: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-md);
  font-weight: 600;
}

/* Riga: icona · testo · comando (un eventuale comando largo, come .stepper,
   va a capo e occupa tutta la riga) */
.settings__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-2) var(--space-3);
  padding-block: var(--space-3);
  font-size: var(--text-sm);
}

label.settings__row {
  cursor: pointer;
}

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

.settings__icon {
  color: var(--color-accent);
}

.settings__value {
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

/* Selettore − | Predefinito | + */
.stepper {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-column: 1 / -1;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
}

.stepper__btn {
  display: grid;
  place-items: center;
  min-width: 2.75rem;
  min-height: 2.5rem;
  padding: 0 var(--space-3);
  border: 0;
  background: none;
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-out);
}

.stepper__btn + .stepper__btn {
  border-left: 1px solid var(--color-border);
}

.stepper__btn:active {
  background: var(--color-surface-2);
}

/* Contorno del focus all'interno: il contenitore ritaglia i bordi */
.stepper__btn:focus-visible {
  outline-offset: -3px;
}

/* Limite raggiunto (aria-disabled e non disabled: il focus da tastiera resta sul pulsante) */
.stepper__btn[aria-disabled="true"] {
  color: var(--color-text-muted);
  opacity: 0.5;
  cursor: default;
}

/* Interruttore (checkbox con role="switch") */
.switch {
  appearance: none;
  position: relative;
  flex: none;
  width: 2.75rem;
  height: 1.625rem;
  margin: 0;
  border-radius: var(--radius-pill);
  background: var(--color-surface-2);
  box-shadow: inset 0 0 0 1.5px var(--color-text-muted);
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}

.switch::before {
  content: "";
  position: absolute;
  top: 0.25rem;
  left: 0.25rem;
  width: 1.125rem;
  height: 1.125rem;
  border-radius: 50%;
  background: var(--color-text-muted);
  transition: translate var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out);
}

.switch:checked {
  background: var(--color-accent);
  box-shadow: inset 0 0 0 1.5px var(--color-accent);
}

.switch:checked::before {
  background: var(--color-on-accent);
  translate: 1.125rem 0;
}

.switch:focus-visible {
  border-radius: var(--radius-pill);
}

@media (min-width: 40rem) {
  .settings {
    right: 0;
  }
}


/* 8. Animazioni
   Solo CSS. Con "riduci movimento" attivo nel sistema restano solo la
   dissolvenza fra le foto (legata al gesto dell'utente) e i cambi di stato.
   ========================================================================== */

@keyframes spin {
  to {
    rotate: 1turn;
  }
}

@keyframes reveal {
  from {
    opacity: 0;
    translate: 0 2rem;
    scale: 0.98;
  }
}

/* Foto del carosello: ai lati rimpicciolite e sfumate, al centro piene */
@keyframes slide-swap {
  0%,
  100% {
    opacity: 0.35;
    scale: 0.86;
    border-radius: var(--radius-lg);
  }

  50% {
    opacity: 1;
    scale: 1;
    border-radius: 0;
  }
}

@keyframes slide-fade {
  0%,
  100% {
    opacity: 0.35;
  }

  50% {
    opacity: 1;
  }
}

/* Farfalla "mi piace": compare con un rimbalzo, batte le ali due volte e
   vola via in alto a destra */
@keyframes like-burst {
  0% {
    opacity: 0;
    scale: 0.3;
  }

  15% {
    opacity: 1;
    scale: 1.15;
  }

  25% {
    scale: 0.95;
  }

  32%,
  52%,
  72% {
    scale: 1;
  }

  42%,
  62% {
    scale: 0.7 1;
  }

  80% {
    opacity: 1;
    translate: 0 0;
    rotate: 0deg;
  }

  100% {
    opacity: 0;
    scale: 0.8;
    translate: 2rem -3rem;
    rotate: 12deg;
  }
}

/* Variante con "riduci movimento": solo dissolvenza */
@keyframes like-fade {
  0%,
  100% {
    opacity: 0;
  }

  20%,
  70% {
    opacity: 1;
  }
}

@keyframes like-pop {
  40% {
    scale: 1.3;
  }
}

@keyframes settings-in {
  from {
    opacity: 0;
    translate: 0 0.5rem;
    scale: 0.96;
  }
}

@keyframes toast {
  0% {
    opacity: 0;
    translate: -50% 0.75rem;
  }

  12%,
  85% {
    opacity: 1;
    translate: -50% 0;
  }

  100% {
    opacity: 0;
  }
}

/* Animazioni legate allo scorrimento (scroll-driven animations).
   Nei browser che non le supportano i contenuti restano semplicemente fermi. */
@supports (animation-timeline: view()) {
  .carousel__slide img {
    animation: slide-swap linear both;
    animation-timeline: view(inline);
  }

  /* Si animano gli elementi interni e non il post o il blocco: questi sono le
     destinazioni dei link (bolle, "Come arrivare") e, se fossero spostati
     dall'animazione, il browser calcolerebbe male il punto d'arrivo e il
     titolo finirebbe tagliato. */
  @media (prefers-reduced-motion: no-preference) {
    .post > *,
    .block > * {
      animation: reveal linear both;
      animation-timeline: view();
      animation-range: entry 0% entry 30%;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .carousel__slide img {
      animation-name: slide-fade;
      animation-duration: auto !important;
    }
  }
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    transition: none;
  }

  /* La farfalla deve comunque vedersi: dissolvenza al posto del volo
     (la specificità maggiore prevale sulla regola * qui sopra) */
  .like-burst.is-flying {
    animation-name: like-fade;
    animation-duration: 0.9s !important;
  }
}