/**
 * Overlay de carregamento (login, vendas-por-periodo, recargas de período).
 * z-index elevado para ficar acima de painéis, modais, navbar e barras internas.
 */

.login-loader {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 2147483000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(18, 18, 18, 0.72);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.login-loader--visible {
  display: flex;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.login-loader__panel {
  width: 100%;
  max-width: 320px;
  padding: 2rem 1.75rem;
  text-align: center;
  color: #fff;
  background: #146332;
  border-radius: 8px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

.login-loader__spinner {
  width: 52px;
  height: 52px;
  margin: 0 auto 1.25rem;
  border: 4px solid rgba(255, 255, 255, 0.25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: login-loader-spin 0.85s linear infinite;
}

.login-loader__title {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.login-loader__subtitle {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
  line-height: 1.45;
  opacity: 0.92;
}

.login-loader__progress-track {
  width: 100%;
  height: 6px;
  margin: 0;
  background: rgba(255, 255, 255, 0.22);
  border-radius: 3px;
  overflow: hidden;
}

.login-loader__progress-bar {
  display: block;
  height: 100%;
  width: 0;
  background: #fff;
  border-radius: 3px;
  transition: width 0.25s ease;
}

body.login-loader-active {
  overflow: hidden;
}

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

@media (prefers-reduced-motion: reduce) {
  .login-loader__spinner {
    animation: none;
    border-top-color: rgba(255, 255, 255, 0.6);
  }
}