/* SkyListen Real — foglio di stile della PWA.
   Estratto dall'HTML inline senza cambi di resa. */

body {
  margin: 0;
  background: #0b0f14;
  color: #e7eef8;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

header {
  padding: 18px;
  background: #101722;
  border-bottom: 1px solid #2b3a4f;
}

h1 {
  margin: 0;
  font-size: 22px;
}

/* Riga d'intestazione: titolo a sinistra, link a destra. */
.header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.headernav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.headerlink {
  font-weight: 700;
  border: 1px solid #36506d;
  border-radius: 999px;
  padding: 6px 14px;
  background: #182437;
  text-decoration: none;
}

.headerlink:hover {
  border-color: #5cc8ff;
}

/* Link con aspetto di pulsante (usato per le azioni nelle card). */
.btnlink {
  display: inline-block;
  border-radius: 10px;
  border: 1px solid #36506d;
  background: #182437;
  color: #fff;
  padding: 10px;
  margin: 4px 0;
  font-weight: 700;
  text-decoration: none;
}

.btnlink:hover {
  border-color: #5cc8ff;
}

.tagline {
  margin: 4px 0 0;
  color: #9db0c7;
  font-size: 13px;
}

/* Link "salta al contenuto": visibile solo quando riceve il focus da tastiera. */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 10;
  background: #182437;
  color: #fff;
  padding: 10px 14px;
  border-radius: 0 0 10px 0;
}

.skip-link:focus {
  left: 0;
}

/* Etichette dei form ben separate dai controlli. */
label {
  display: inline-block;
  margin-right: 6px;
  font-size: 13px;
  color: #c4d4e8;
}

output {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

main {
  padding: 16px;
  max-width: 1100px;
  margin: auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
}

.card {
  background: #121b28;
  border: 1px solid #26384f;
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 10px 25px #0005;
}

button,
input,
select {
  border-radius: 10px;
  border: 1px solid #36506d;
  background: #182437;
  color: #fff;
  padding: 10px;
  margin: 4px 0;
}

button {
  cursor: pointer;
  font-weight: 700;
}

/* Focus visibile e coerente per la navigazione da tastiera. */
:focus-visible {
  outline: 3px solid #5cc8ff;
  outline-offset: 2px;
}

button:hover {
  border-color: #5cc8ff;
}

.big {
  font-size: 38px;
  font-weight: 800;
}

.ok { color: #53d769; }
.warn { color: #ffd166; }
.bad { color: #ff5c7a; }

canvas {
  width: 100%;
  height: 170px;
  background: #071018;
  border-radius: 12px;
}

.row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

textarea {
  width: 100%;
  min-height: 100px;
  background: #08111d;
  color: #d8e7ff;
  border: 1px solid #345;
  border-radius: 12px;
}

.log {
  font-family: ui-monospace, Menlo, monospace;
  font-size: 12px;
  white-space: pre-wrap;
  max-height: 250px;
  overflow: auto;
  background: #08111d;
  padding: 10px;
  border-radius: 12px;
}

.pill {
  display: inline-block;
  border: 1px solid #36506d;
  border-radius: 999px;
  padding: 4px 9px;
  margin: 3px;
  background: #0d1521;
}

.small {
  font-size: 12px;
  color: #9db0c7;
}

a { color: #8cc8ff; }

/* Banner della demo "rete LoRa" (simulazione): segnala dati finti. */
.sim-banner {
  margin: 0 0 12px;
  padding: 10px 14px;
  border-left: 3px solid #ffd166;
  background: #241f0c;
  color: #ffe9a8;
  border-radius: 0 10px 10px 0;
  font-weight: 600;
}

/* Su schermi stretti i controlli vanno a piena larghezza per essere toccabili. */
@media (max-width: 480px) {
  header { padding: 14px; }
  main { padding: 12px; }
  .big { font-size: 32px; }
  .row { gap: 10px; }
  .row button { flex: 1 1 auto; min-height: 44px; }
  input[type="text"] { width: 100%; box-sizing: border-box; }
}

/* Rispetta la preferenza di movimento ridotto: niente animazioni/transizioni. */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}