/* ============================================================
   99-send-button-round.css
   Botão de enviar mensagem — versão redonda moderna (2026)
   Carregar POR ÚLTIMO em grupo.php e nas páginas de chat.
   ============================================================ */

.chat-input-bar .chat-send-btn,
form#grpForm .chat-send-btn,
button.chat-send-btn {
  width: 44px !important;
  height: 44px !important;
  min-width: 44px !important;
  padding: 0 !important;
  border: none !important;
  border-radius: 50% !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer;
  flex-shrink: 0;
  color: #fff !important;
  background: linear-gradient(135deg, #7c3aed 0%, #ec4899 100%) !important;
  box-shadow:
    0 6px 18px rgba(124, 58, 237, .45),
    0 2px 6px rgba(236, 72, 153, .25),
    inset 0 1px 0 rgba(255, 255, 255, .18) !important;
  transition:
    transform .18s cubic-bezier(.34, 1.56, .64, 1),
    box-shadow .25s ease,
    filter .2s ease;
}

.chat-input-bar .chat-send-btn svg,
form#grpForm .chat-send-btn svg,
button.chat-send-btn svg {
  width: 20px !important;
  height: 20px !important;
  margin-left: 2px;         /* alinhamento óptico do ícone de seta */
  fill: currentColor !important;
  stroke: none !important;
  transition: transform .18s ease;
}

.chat-input-bar .chat-send-btn:hover,
form#grpForm .chat-send-btn:hover,
button.chat-send-btn:hover {
  transform: translateY(-1px) scale(1.06);
  filter: brightness(1.08);
  box-shadow:
    0 10px 24px rgba(124, 58, 237, .55),
    0 4px 10px rgba(236, 72, 153, .35),
    inset 0 1px 0 rgba(255, 255, 255, .22) !important;
}

.chat-input-bar .chat-send-btn:hover svg,
form#grpForm .chat-send-btn:hover svg,
button.chat-send-btn:hover svg {
  transform: translateX(1px);
}

.chat-input-bar .chat-send-btn:active,
form#grpForm .chat-send-btn:active,
button.chat-send-btn:active {
  transform: translateY(0) scale(.94);
  filter: brightness(.96);
  box-shadow:
    0 3px 10px rgba(124, 58, 237, .4),
    inset 0 2px 4px rgba(0, 0, 0, .18) !important;
}

.chat-input-bar .chat-send-btn:focus-visible,
form#grpForm .chat-send-btn:focus-visible,
button.chat-send-btn:focus-visible {
  outline: none !important;
  box-shadow:
    0 0 0 3px rgba(236, 72, 153, .35),
    0 6px 18px rgba(124, 58, 237, .45) !important;
}

.chat-input-bar .chat-send-btn:disabled,
form#grpForm .chat-send-btn:disabled,
button.chat-send-btn:disabled {
  opacity: .55;
  cursor: not-allowed;
  transform: none;
  filter: grayscale(.3);
}

/* Botão de áudio ao lado — mesmo formato para ficar coerente */
.chat-input-bar .chat-audio-btn,
form#grpForm .chat-audio-btn {
  width: 44px !important;
  height: 44px !important;
  border-radius: 50% !important;
  padding: 0 !important;
  border: 1px solid rgba(255,255,255,.08) !important;
  background: rgba(255,255,255,.06) !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  transition: background .2s ease, transform .18s ease;
}
.chat-input-bar .chat-audio-btn:hover,
form#grpForm .chat-audio-btn:hover {
  background: rgba(255,255,255,.12) !important;
  transform: scale(1.05);
}