/* Galleria a tutto schermo (dialog): schede in alto (foto, home staging, 3D, planimetrie, mappa, mappa 3D), un pannello per scheda.
   Pannelli a scorrimento (data-slides): immagine grande con frecce e contatore, miniature sotto.
   Comportamento in js/detail.js. */

@layer components {
  dialog.viewer {
    width: calc(100vw - 32px);
    height: calc(100dvh - 32px);
    max-width: none;
    max-height: none;
    margin: auto;
    padding: 0;
    border: 0;
    border-radius: var(--r-lg);
    background: var(--ground);
    color: var(--ink);
    overflow: hidden;

    &[open] { display: flex; flex-direction: column; }
    &::backdrop { background: var(--scrim-strong); }
  }
  @media (prefers-reduced-motion: no-preference) {
    dialog.viewer[open] { animation: viewer-in .3s var(--ease) both; }
  }
  @media (max-width: 640px) {
    dialog.viewer { width: 100vw; height: 100dvh; border-radius: 0; }
  }

  .viewer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 12px 12px 16px;
  }
  dialog.viewer:focus { outline: none; }
  .viewer-title { flex: 1 1 0; min-width: 0; margin: 0; font: inherit; letter-spacing: 0; }
  .viewer-id {
    display: grid;
    justify-items: start;
    gap: 2px;
    max-width: 100%;
    padding: 2px 4px;
    border: 0;
    border-radius: var(--r-sm);
    background: none;
    color: var(--ink);
    text-align: left;
    cursor: pointer;

    &:hover .viewer-name { color: var(--accent); }
    &:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
  }
  .viewer-name, .viewer-address { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .viewer-name { font: 600 var(--step-body) var(--font); transition: color var(--dur-fast) var(--ease); }
  .viewer-address { font: 400 var(--step-small) var(--font); color: var(--ink-soft); }
  /* Stretto: nome e chiusura sulla prima riga, schede sotto */
  @media (max-width: 1080px) {
    .viewer-head { flex-wrap: wrap; }
    .viewer-head .viewer-tabs { order: 3; flex: 1 1 100%; min-width: 0; }
  }

  /* Schede: pillole come la barra rapida */
  .viewer-tabs {
    flex: 0 1 auto;
    min-width: 0;
    display: flex;
    gap: 6px;
    padding: 4px;
    border-radius: var(--r-pill);
    background: var(--tint);
    overflow-x: auto;
    scrollbar-width: none;

    & button {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      flex: none;
      height: 36px;
      padding: 0 14px;
      border: 0;
      border-radius: var(--r-pill);
      background: transparent;
      color: var(--ink);
      font: 500 var(--step-small) var(--font);
      white-space: nowrap;
      cursor: pointer;
      transition: background-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
    }
    & button:hover { background: var(--tint-2); }
    & button[aria-selected="true"] { background: var(--accent-soft); color: var(--ink); }
    & .n { min-width: 22px; padding: 1px 6px; border-radius: var(--r-pill); background: var(--ground); color: var(--ink); font-size: 12px; text-align: center; }
    & button[aria-selected="true"] .n { background: var(--ground); color: var(--ink); }
  }

  .viewer-panel {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 0 12px 12px;
    overflow: auto;
  }

  /* ---------- Immagine grande e miniature ---------- */
  .slide-stage {
    position: relative;
    flex: 1;
    min-height: 0;
    border-radius: var(--r-md);
    background: var(--ink);
    color: var(--on-ink);
    overflow: hidden;
    touch-action: pan-y;

    /* Fuori dal flusso: l'altezza e' quella del riquadro, non quella che la foto chiederebbe (si vede sempre intera) */
    & > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; user-select: none; -webkit-user-drag: none; }
    & > img.is-out { opacity: 0; }
    &.plans-stage { background: var(--tint); color: var(--ink); }
  }
  /* Dissolvenza veloce: la foto esce, la nuova entra quando e' pronta (js/detail.js) */
  @media (prefers-reduced-motion: reduce) {
    .slide-dock .slide-thumbs button { animation: none; }
  }
  @media (prefers-reduced-motion: no-preference) {
    .slide-stage > img { transition: opacity var(--dur-fast) var(--ease); }
    progress.slide-spinner { animation: spinner-turn var(--_duration) linear infinite, slide-spinner-in var(--dur-fast) var(--ease) backwards; }
  }
  progress.slide-spinner { position: absolute; top: 50%; left: 50%; margin: calc(var(--spinner-size) / -2); }
  .slide-nav { position: absolute; top: 50%; translate: 0 -50%; z-index: 2; }
  .slide-nav.prev { left: 12px; }
  .slide-nav.next { right: 12px; }
  /* Variante .slides-overlay: la foto prende tutto il pannello; sopra stanno le frecce bianche e le miniature tonde in una pillola */
  .slides-overlay { position: relative; }
  .slides-overlay .slide-count { top: 12px; bottom: auto; background: var(--tint); }
  /* Foto: contatore centrato subito sopra la barra (24px dal fondo + 66px di barra + 10px di stacco) */
  .slides-overlay .slide-stage:not(.plans-stage) > .slide-count { top: auto; left: 50%; bottom: 100px; padding: 4px 14px; border-radius: var(--r-pill); background: var(--ground); color: var(--ink); box-shadow: var(--shadow-pin); translate: -50% 0; }
  /* Foto: nessun fondo, il riquadro e' quello della finestra. L'<img> prende la misura della foto (non del riquadro):
     solo cosi' gli angoli arrotondati cadono sulla foto. 16px sotto: gli angoli si vedono staccati dal bordo. */
  .slides-overlay .slide-stage:not(.plans-stage) {
    border-radius: 0;
    background: none;
    color: var(--ink);

    & > img { inset: 0 0 16px; width: auto; height: auto; max-width: 100%; max-height: calc(100% - 16px); margin: auto; border-radius: var(--r-lg); }
  }
  .slide-thumbs[hidden] { display: none; } /* un solo elemento: niente miniatura, ma lo script legge da li' l'immagine */
  .slide-dock { position: absolute; left: 50%; bottom: 36px; z-index: 3; display: flex; align-items: center; gap: 10px; width: max-content; max-width: calc(100% - 48px); translate: -50% 0; }
  .slide-dock .round { flex: none; background: var(--ground); color: var(--ink); box-shadow: 0 8px 24px rgb(16 41 31 / .28); }
  .slide-dock .slide-thumbs {
    flex: 0 1 auto;
    min-width: 0;
    gap: 8px;
    padding: 7px;
    border-radius: var(--r-pill);
    background: var(--ground);
    box-shadow: 0 8px 24px rgb(16 41 31 / .28);

    /* Finche' la miniatura non arriva: lo stesso blocco che luccica di components/skeleton.css */
    & button {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: linear-gradient(100deg, var(--tint) 30%, var(--tint-2) 50%, var(--tint) 70%) 0 0 / 300% 100%;
      opacity: 1;
      animation: skel-shine 1.4s linear infinite;
    }
    & button:hover { box-shadow: 0 0 0 2px var(--ground), 0 0 0 4px var(--tint-2); }
    & button[aria-current="true"] { box-shadow: 0 0 0 2px var(--ground), 0 0 0 4px var(--select); }
  }
  .slide-count { position: absolute; left: 12px; bottom: 12px; z-index: 2; }
  .slide-count:empty { display: none; }

  .slide-thumbs {
    display: flex;
    gap: 6px;
    /* clic e trascinamento non devono selezionare le miniature (si colorerebbero) ne' trascinarne l'immagine */
    -webkit-user-select: none;
    user-select: none;
    flex: none;
    overflow-x: auto;
    scrollbar-width: none;
    padding: 2px;

    & button {
      flex: none;
      width: 84px;
      height: 62px;
      padding: 0;
      border: 0;
      border-radius: var(--r-sm);
      overflow: hidden;
      background: var(--tint-2);
      cursor: pointer;
      opacity: .6;
      transition: opacity var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
    }
    & button img { width: 100%; height: 100%; object-fit: cover; pointer-events: none; -webkit-user-drag: none; }
    & button:hover { opacity: 1; }
    & button[aria-current="true"] { opacity: 1; box-shadow: 0 0 0 2px var(--ground), 0 0 0 4px var(--select); }
  }
  @media (max-width: 640px) {
    .slide-thumbs button { width: 64px; height: 48px; }
    .slide-nav, .slide-dock .round { display: none; }
    .slide-dock { bottom: 24px; }
    .slides-overlay .slide-stage:not(.plans-stage) > .slide-count { bottom: 80px; }
    .slide-dock .slide-thumbs button { width: 44px; height: 44px; }
  }

  /* ---------- Mappa a tutto schermo ---------- */
  .viewer-map { position: relative; flex: 1; min-height: 0; border-radius: var(--r-md); overflow: hidden; background: var(--tint-2); }
}

@keyframes viewer-in {
  from { opacity: 0; transform: scale(.97); }
}
@keyframes slide-spinner-in {
  from { opacity: 0; }
}

/* Vista 3D del portale dentro la scheda Mappa 3D. Fuori dai layer: deve vincere sul CSS del portale, che non ne ha.
   Testo in un riquadro bianco in alto a sinistra sulla mappa, «Centra» in alto a destra accanto ai controlli di MapLibre. */
.viewer-panel > .maplibre-3d-modal {
  position: static;
  flex: 1;
  min-height: 0;
  padding: 0;
  background: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;

  &.is-open { align-items: stretch; }
  & .maplibre-3d-card { position: relative; width: 100%; height: auto; border: 0; border-radius: var(--r-md); background: none; box-shadow: none; }
  & .maplibre-3d-head { display: contents; }
  & .maplibre-3d-head > div:first-child {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
    max-width: min(420px, calc(100% - 200px));
    padding: 10px 14px;
    border-radius: var(--r-md);
    background: var(--ground);
    box-shadow: 0 8px 24px rgb(16 41 31 / .18);
  }
  & .maplibre-3d-title, & #mapLibre3DClose { display: none; }
  & .maplibre-3d-sub { margin-top: 0; max-width: none; }
  /* Centra e Apri in Google Maps (detail.js porta qui il link) affiancati al centro */
  & .maplibre-3d-actions { position: absolute; left: 50%; bottom: 24px; z-index: 2; display: flex; gap: 10px; width: max-content; max-width: calc(100% - 24px); translate: -50% 0; }
  & #mapLibre3DReset { width: auto; flex: none; min-height: var(--control-h); padding: 0 28px; border: 0; background: var(--accent); color: var(--on-ink); font-weight: 600; box-shadow: 0 8px 24px rgb(16 41 31 / .28); transition: background-color var(--dur-fast) var(--ease); }
  & #mapLibre3DReset:hover { background: var(--ink); }
  & #mapLibre3DReset:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
}
@media (max-width: 640px) {
  .viewer-panel > .maplibre-3d-modal .maplibre-3d-head > div:first-child { top: 60px; max-width: calc(100% - 70px); }
}

/* Apri in Google Maps: in basso al centro, sopra la mappa (anche 3D). Il pannello ha 12px di margine sotto. */
#vp-map { position: relative; }
.gmaps-open { position: absolute; bottom: 36px; left: 50%; z-index: 500; box-shadow: 0 8px 24px rgb(16 41 31 / .22); translate: -50% 0; }
.maplibre-3d-actions .gmaps-open, .map-actions .gmaps-open { position: static; flex: none; translate: none; }

/* Scheda Mappa: Centra, Apri in Google Maps e tipo di mappa affiancati in basso al centro (nella Mappa 3D il selettore sta in .maplibre-3d-actions). */
.map-actions { position: absolute; bottom: 36px; left: 50%; z-index: 500; display: flex; align-items: center; justify-content: center; gap: 10px; width: max-content; max-width: calc(100% - 48px); translate: -50% 0; }
.map-type { flex: none; border-radius: var(--r-pill); }
@media (max-width: 640px) {
  /* Su due file i pulsanti arriverebbero sull'attribuzione di MapLibre, che copre il selettore: stanno piu' in alto */
  .map-actions { flex-wrap: wrap; }
  .viewer-panel > .maplibre-3d-modal .maplibre-3d-actions { bottom: 64px; z-index: 3; flex-wrap: wrap; justify-content: center; }
}