:root {
  --bg-navy: #0a192f;
  --card-navy: #112240;
  --gold: #d4af37;
  --gold-light: #f3e5ab;
  --text-light: #e6f1ff;
  --text-muted: #8892b0;
  --border-gold: rgba(212, 175, 55, 0.3);
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }

body {
  background-color: var(--bg-navy);
  color: var(--text-light);
  min-height: 100vh;
}

/* Splash Screen */
#splash-screen {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: var(--bg-navy);
  color: var(--gold);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}
#splash-screen h1 { font-size: 2.5rem; margin-bottom: 10px; letter-spacing: 2px; }
#splash-screen p { color: var(--text-muted); }

/* Navbar Fissa in Alto */
header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  height: 65px;
  background: var(--card-navy);
  border-bottom: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  z-index: 1000;
  padding: 0 15px;
}
header button {
  background: none;
  border: none;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 6px;
  transition: all 0.2s;
}
header button.active, header button:hover {
  color: var(--gold);
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--border-gold);
}

#install-btn {
  display: none;
  color: var(--bg-navy) !important;
  background-color: var(--gold) !important;
  font-weight: bold;
}

/* Main Layout */
main {
  margin-top: 95px;
  padding: 20px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.view { display: none; }
.view.active { display: block; }

/* Banner Aggiornamento */
#update-banner {
  display: none;
  position: fixed;
  bottom: 20px; left: 50%;
  transform: translateX(-50%);
  background: var(--card-navy);
  color: var(--text-light);
  border: 1px solid var(--gold);
  padding: 12px 20px;
  border-radius: 8px;
  z-index: 10000;
  align-items: center;
  gap: 15px;
}
#update-banner button {
  background: var(--gold);
  color: var(--bg-navy);
  border: none;
  padding: 6px 14px;
  border-radius: 4px;
  font-weight: bold;
  cursor: pointer;
}

/* Stile del pulsante Installa PWA integrato nel menu */
#install-btn {
  display: none; /* Nascosto di default finché il browser non abilita l'installazione */
  background-color: var(--gold) !important;
  color: var(--bg-navy) !important;
  font-weight: 700;
  border: 1px solid var(--gold) !important;
  box-shadow: 0 2px 8px rgba(212, 175, 55, 0.3);
}

#install-btn:hover {
  background-color: var(--gold-light) !important;
  color: var(--bg-navy) !important;
}