/* ══════════════════════════════════════════════════════════════
   PROMETHEUS // ÁUDIO DA FICHA DE VOO
   Botão preto, borda azul-gelo, onda animada só enquanto fala.
   ══════════════════════════════════════════════════════════════ */

.fd-audio {
  margin-top: 14px;
  padding-top: 13px;
  border-top: 1px solid rgba(0, 212, 255, .14);
}

/* ── botão OUVIR / PARAR ─────────────────────────────────────── */
.fd-ouvir {
  position: relative;
  width: 100%;
  min-height: 46px;
  display: flex; align-items: center; justify-content: center; gap: 9px;
  padding: 11px 14px;
  background: linear-gradient(160deg, rgba(4, 12, 22, .95), rgba(2, 6, 12, .98));
  border: 1px solid rgba(0, 212, 255, .40);
  color: #dff6ff;
  font-family: 'Orbitron', sans-serif; font-weight: 700;
  font-size: 11px; letter-spacing: .16em;
  cursor: pointer;
  transition: border-color .22s, box-shadow .22s, background .22s;
}
.fd-ouvir:hover {
  border-color: rgba(0, 212, 255, .95);
  box-shadow: 0 0 16px rgba(0, 170, 255, .28), inset 0 0 14px rgba(0, 150, 230, .10);
}
.fd-ouvir:active { transform: translateY(1px); }
.fd-ico { font-size: 14px; line-height: 1; }

/* ── FALANDO: vira PARAR, em vermelho, com onda ──────────────── */
.fd-ouvir.falando {
  border-color: rgba(255, 83, 110, .8);
  background: linear-gradient(160deg, rgba(26, 4, 10, .95), rgba(12, 2, 5, .98));
  color: #ff8ba0;
}
.fd-ouvir.falando:hover {
  border-color: #ff536e;
  box-shadow: 0 0 16px rgba(255, 83, 110, .3);
}

/* onda: 4 barrinhas, só aparecem falando */
.fd-onda {
  display: none;
  align-items: flex-end; gap: 2px;
  height: 13px;
}
.fd-ouvir.falando .fd-onda { display: inline-flex; }
.fd-onda s {
  display: block; width: 2px; height: 40%;
  background: currentColor; text-decoration: none;
  animation: fdOnda .82s ease-in-out infinite alternate;
}
.fd-onda s:nth-child(2) { animation-delay: .13s; }
.fd-onda s:nth-child(3) { animation-delay: .26s; }
.fd-onda s:nth-child(4) { animation-delay: .39s; }
@keyframes fdOnda { from { height: 28%; } to { height: 100%; } }

/* ── seletor RESUMO | COMPLETO ───────────────────────────────── */
.fd-modo {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1px; margin-top: 8px;
  background: rgba(0, 212, 255, .12);
  border: 1px solid rgba(0, 212, 255, .18);
}
.fd-modo button {
  padding: 7px 6px;
  background: rgba(2, 6, 12, .9);
  border: 0; cursor: pointer;
  font-family: 'Share Tech Mono', monospace;
  font-size: 9.5px; letter-spacing: .16em;
  color: #5f8ba1;
  transition: .18s;
}
.fd-modo button:hover { color: #a8d8ea; }
.fd-modo button.on {
  background: rgba(0, 212, 255, .13);
  color: #7cecff;
  box-shadow: inset 0 -2px 0 #00d4ff;
}

/* ── estado da voz: procedência honesta ──────────────────────── */
.fd-vozestado {
  margin-top: 8px; min-height: 13px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 9px; letter-spacing: .06em; color: #4b7d92;
  line-height: 1.5;
}
.fd-vozestado.ok    { color: #39e6a3; }
.fd-vozestado.aviso { color: #ffc857; }
.fd-vozestado.erro  { color: #ff8ba0; }

/* ── foto da aeronave: só entra se carregar (sem ícone quebrado) ── */
#fdPhoto:empty { display: none; }
#fdPhoto img {
  width: 100%; height: auto; display: block;
  margin: 10px 0 2px;
  border: 1px solid rgba(0, 212, 255, .16);
}

/* ── celular: botão grande, colado no rodapé da ficha ────────── */
@media (max-width: 820px) {
  .flight-dossier { width: 100% !important; }
  .fd-audio {
    position: sticky; bottom: 0;
    background: linear-gradient(180deg, rgba(2, 4, 9, .0), rgba(2, 4, 9, .96) 22%);
    padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
    margin-top: 18px;
  }
  .fd-ouvir { min-height: 54px; font-size: 12px; }
  .fd-modo button { padding: 10px 6px; font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .fd-onda s { animation: none; height: 70%; }
}