/* Monitoring — override Bootstrap + utility WCAG (PRD §8, §11) */

:root {
  --elmed-navy: #1a2b4a;          /* blu istituzionale EL.MED. */
  --sev-alarm: #dc2626;
  --sev-warning: #d97706;
  --sev-info: #16a34a;
  --sev-offline: #6b7280;
}

/* ------------------------------------------------------------------ */
/* Utility obbligatoria WCAG (PRD §11.11)                              */
/* ------------------------------------------------------------------ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip link per navigazione da tastiera */
.skip-link {
  position: absolute;
  left: 0;
  top: -48px;
  background: var(--elmed-navy);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 2000;
  transition: top 0.15s ease-in-out;
}
.skip-link:focus {
  top: 0;
}

/* Focus sempre visibile — mai rimuovere l'outline senza alternativa (PRD §11.3) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid #ffbf47;
  outline-offset: 2px;
}

/* ------------------------------------------------------------------ */
/* Navbar / layout                                                     */
/* ------------------------------------------------------------------ */
.navbar-elmed {
  background-color: var(--elmed-navy);
}
.navbar-elmed .navbar-brand,
.navbar-elmed .nav-link {
  color: #fff;
}

.app-statusbar {
  background: #f1f3f6;
  border-bottom: 1px solid #d7dce3;
}

/* Indicatore connessione SSE */
.sse-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.sse-dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: var(--sev-offline);
  display: inline-block;
}
.sse-dot.connected {
  background: var(--sev-info);
  animation: sse-pulse 1.6s ease-in-out infinite;
}
.sse-dot.disconnected {
  background: var(--sev-alarm);
}

@keyframes sse-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ------------------------------------------------------------------ */
/* Badge severità — stato MAI solo colore (PRD §8.5, §11.2)            */
/* ------------------------------------------------------------------ */
.badge-sev {
  color: #fff;
  font-weight: 600;
}
.badge-sev.alarm   { background-color: var(--sev-alarm); }
.badge-sev.warning { background-color: var(--sev-warning); }
.badge-sev.info    { background-color: var(--sev-info); }
.badge-sev.offline { background-color: var(--sev-offline); }

/* Container pagine di autenticazione (evita style inline per CSP stretta) */
.narrow-sm { max-width: 28rem; }
.narrow-md { max-width: 40rem; }
.narrow-lg { max-width: 32rem; }

/* Contenitore mappa Leaflet */
#map {
  height: 70vh;
  min-height: 360px;
}

/* Pin mappa Leaflet — colore per severità (stato anche via aria-label/alt) */
.map-pin {
  display: block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.4);
  background: var(--sev-offline);
}
.map-pin.alarm   { background: var(--sev-alarm); }
.map-pin.warning { background: var(--sev-warning); }
.map-pin.info    { background: var(--sev-info); }
.map-pin.offline { background: var(--sev-offline); }

/* Card feed alert */
.feed-card {
  border-left: 4px solid var(--sev-offline);
}
.feed-card.alarm   { border-left-color: var(--sev-alarm); }
.feed-card.warning { border-left-color: var(--sev-warning); }
.feed-card.info    { border-left-color: var(--sev-info); }

/* ------------------------------------------------------------------ */
/* Animazioni ridotte (PRD §11.10)                                     */
/* ------------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}