photo_server_json_flutter_con_gallery/public/css/modal.css

/* ===============================
   MODAL OVERLAY
   =============================== */

.modal {
  position: fixed;
  inset: 0; /* top:0 right:0 bottom:0 left:0 */
  background: rgba(0,0,0,0.8);
  display: none;             /* chiuso di default */
  align-items: center;
  justify-content: center;
  z-index: 9999;             /* sopra a qualunque overlay/sheet */
  overflow: hidden;          /* evita scroll sullo sfondo */
  /* Animazione di fade */
  opacity: 0;
  transition: opacity 160ms ease-out;
}

.modal.open {
  display: flex;
  opacity: 1;
}

/* effetto vetro opzionale dove supportato */
@supports (backdrop-filter: blur(4px)) {
  .modal {
    backdrop-filter: blur(4px);
  }
}

/* ===============================
   CONTENITORE CONTENUTI
   =============================== */

.modal-content {
  width: 90vw;
  height: 90vh;
  max-width: 1200px;
  max-height: 90vh;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;

  /* Animazione di scale-in */
  transform: scale(0.98);
  transition: transform 160ms ease-out;
}

.modal.open .modal-content {
  transform: scale(1);
}

/* Ridimensionamento su mobile */
@media (max-width: 768px) {
  .modal-content {
    width: 100vw;
    height: 100vh;
  }
}

/* Contenitore del media */
#modalMediaContainer {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;

  /* Evita che clic sul media “passino” al layer sotto */
  position: relative;
  z-index: 1;
}

/* Immagini e video si adattano all’area */
#modalMediaContainer img,
#modalMediaContainer video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: #000;          /* evita flash bianco */
  position: relative;        /* crea contesto */
  z-index: 1;                /* sotto ai pulsanti */
}

/* ===============================
   PULSANTE CHIUSURA (X)
   =============================== */

/* FISSO sopra al video, con safe-area per iPhone */
.modal-close {
  position: fixed;  /* <-- chiave: resta sopra al video anche con stacking strani */
  top: calc(8px + env(safe-area-inset-top));
  right: calc(12px + env(safe-area-inset-right));
  z-index: 10001;   /* il modal è 9999 */

  background: rgba(0,0,0,0.35);
  color: #fff;
  border-radius: 22px;
  min-width: 44px;              /* target minimo consigliato */
  height: 44px;
  padding: 0 10px;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  cursor: pointer;
  font-weight: 700;
  border: 1px solid rgba(255,255,255,0.25);
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  user-select: none;
  line-height: 1;
}

/* area di hit più ampia senza cambiare il look */
.modal-close::after {
  content: "";
  position: absolute;
  inset: -8px;     /* allarga di 8px tutt’intorno */
}

.modal-close:hover {
  background: rgba(0,0,0,0.5);
}

.modal-close:active {
  transform: translateY(1px);
}

.modal-close:focus-visible {
  outline: 2px solid #4c9ffe;
  outline-offset: 2px;
  border-radius: 8px;
}

/* ===============================
   PULSANTE INFO (ℹ️)
   =============================== */

.modal-info-btn {
  position: absolute;
  bottom: 12px;
  right: 16px;

  background: #fff;
  border-radius: 50%;
  width: 40px;
  height: 40px;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  cursor: pointer;
  border: 1px solid #d0d0d0;
  font-size: 20px;
  z-index: 10000; /* sopra al media, sotto alla X */
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);

  /* 🔒 Disattiva selezione e popup dizionario */
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
}

.modal-info-btn:hover {
  background: #f7f7f7;
}

.modal-info-btn:active {
  transform: scale(0.95);
}

.modal-info-btn:focus-visible {
  outline: 2px solid #4c9ffe;
  outline-offset: 2px;
}


/* ℹ️ evidenziato quando il pannello info è aperto */
.modal-info-btn.active {
  background: #f7f7f7;
  border-color: #cfcfcf;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
  transform: none;
}

/* ===============================
   (OPZIONALE) LINK "APRI ORIGINALE ↗"
   =============================== */

.modal-open-original {
  position: absolute;
  top: 8px;
  right: 56px; /* lascia spazio alla X */
  background: rgba(255,255,255,0.95);
  color: #000;
  border-radius: 16px;
  height: 32px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  border: 1px solid #d0d0d0;
  font-size: 13px;
  z-index: 10000; /* sopra al media */
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.modal-open-original:hover {
  background: #fff;
}

.modal-open-original:focus-visible {
  outline: 2px solid #4c9ffe;
  outline-offset: 2px;
  border-radius: 6px;
}

/* ===============================
   MODAL STATE UTILI
   =============================== */

body.no-scroll {
  overflow: hidden;
}

/* High contrast / accessibility (opzionale) */
@media (prefers-contrast: more) {
  .modal {
    background: rgba(0,0,0,0.9);
  }
  .modal-close,
  .modal-info-btn,
  .modal-open-original {
    border-color: #000;
    box-shadow: none;
  }
}

/* Riduci animazioni se l’utente lo preferisce */
@media (prefers-reduced-motion: reduce) {
  .modal,
  .modal-content {
    transition: none !important;
  }
}



/* ===============================
   FRECCE DI NAVIGAZIONE < >
   =============================== */

.modal-nav-btn {
  position: fixed; /* fisso: resta sopra a video/immagine */
  top: calc(50% + env(safe-area-inset-top));
  transform: translateY(-50%);
  z-index: 10000;          /* sopra al media, sotto alla X (10001) */

  width: 44px;
  height: 44px;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(0,0,0,0.35);
  color: #fff;
  font-size: 22px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;

  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);

  transition: background-color .15s ease, transform .05s ease;
}

.modal-nav-btn:hover { background: rgba(0,0,0,0.5); }
.modal-nav-btn:active { transform: translateY(-50%) translateY(1px); }
.modal-nav-btn:focus-visible {
  outline: 2px solid #4c9ffe;
  outline-offset: 2px;
  border-radius: 8px;
}

.modal-nav-btn.prev { left: calc(12px + env(safe-area-inset-left)); }
.modal-nav-btn.next { right: calc(12px + env(safe-area-inset-right)); }

/* Nascondi automaticamente se c'è un solo elemento */
.modal-nav-btn.hidden { display: none !important; }