/* ===============================
   Header compatto
   =============================== */
header {
  padding: 4px 10px;              /* era 10px 15px */
  background: #333;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

/* Titolo più piccolo e senza margini extra */
header h1 {
  font-size: 18px;                /* ridotto */
  line-height: 1.1;
  margin: 0;
}

/* Contenitore bottoni in alto a destra */
.top-buttons {
  display: flex;
  gap: 6px;                       /* era 10px */
}

/* Bottoni icona più compatti */
.icon-btn {
  background: none;
  border: none;
  font-size: 18px;                /* era 22px */
  padding: 3px 6px;               /* era 6px 10px */
  cursor: pointer;
  border-radius: 6px;
  color: white;
  line-height: 1;
  min-height: 32px;               /* tap target minimo desktop */
  min-width: 32px;
}

.icon-btn:hover {
  background: rgba(255,255,255,0.15);
}

/* Logout rotondo: riduciamo la “bolla” */
.icon-btn.logout-btn {
  --size: 28px;                   /* era 36px */
  width: var(--size);
  height: var(--size);
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* PNG del logout in scala con l’header */
.logout-icon {
  width: 18px;                    /* era 22px */
  height: 18px;
  display: block;
  filter: brightness(0) invert(1);
  image-rendering: -webkit-optimize-contrast;
}

/* ===============================
   Visibilità Logout robusta
   =============================== */

/* Base: nascosto (prima del login o se non autenticato) */
#logoutBtn {
  display: none;
}

/* Quando autenticato, mostra il bottone coerente con gli altri icon-btn */
body.authenticated #logoutBtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ===============================
   Toggle Photos / Activities
   =============================== */

.mode-toggle {
  display: flex;
  gap: 8px;
  margin-left: 20px;
}

.mode-toggle button {
  padding: 6px 12px;
  border: 1px solid #ccc;
  background: #f5f5f5;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  color: #333;
}

.mode-toggle button.active {
  background: #007bff;
  color: white;
  border-color: #007bff;
}

.mode-toggle {
  background: transparent;
  color: #fff;

  border: 1px solid #fff;
  border-radius: 10px;

  padding: 8px 10px;

  font-size: 14px;
  font-weight: 600;

  cursor: pointer;

  display: flex;
  align-items: center;
  gap: 6px;

  transition: all 0.2s ease;
}

.mode-toggle:hover {
  background: #111;
}

.mode-toggle:active {
  transform: scale(0.96);
}