/* Overlay anti-duplicidade — bloqueio visual durante POST/salvamento */
#oneira-submit-lock {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10050;
  align-items: center;
  justify-content: center;
  background: rgba(6, 10, 16, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  pointer-events: all;
}

#oneira-submit-lock.ativo {
  display: flex;
}

.oneira-submit-lock-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 28px 36px;
  border-radius: 16px;
  background: linear-gradient(160deg, rgba(22, 28, 40, 0.95), rgba(12, 16, 24, 0.98));
  border: 1px solid rgba(3, 218, 198, 0.35);
  box-shadow:
    0 0 0 1px rgba(21, 160, 165, 0.15),
    0 20px 50px rgba(0, 0, 0, 0.55),
    0 0 40px rgba(3, 218, 198, 0.12);
  color: #e8f7f6;
  min-width: 220px;
  max-width: min(90vw, 340px);
  text-align: center;
}

.oneira-submit-lock-spinner {
  position: relative;
  width: 56px;
  height: 56px;
}

.oneira-submit-lock-spinner::before,
.oneira-submit-lock-spinner::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid transparent;
}

.oneira-submit-lock-spinner::before {
  border-top-color: #03dac6;
  border-right-color: rgba(3, 218, 198, 0.35);
  animation: oneira-spin 0.85s linear infinite;
}

.oneira-submit-lock-spinner::after {
  inset: 8px;
  border-bottom-color: #15a0a5;
  border-left-color: rgba(21, 160, 165, 0.3);
  animation: oneira-spin 1.25s linear infinite reverse;
}

.oneira-submit-lock-msg {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #c8fff8;
}

.oneira-submit-lock-sub {
  margin: 0;
  font-size: 0.78rem;
  color: #8aa;
  font-weight: 400;
}

@keyframes oneira-spin {
  to { transform: rotate(360deg); }
}

body.oneira-submit-locked {
  overflow: hidden;
}

button.oneira-btn-locked,
input.oneira-btn-locked {
  opacity: 0.65 !important;
  cursor: wait !important;
  pointer-events: none !important;
}