/**
 * Crédito Nación — overlay de carregamento (preparação).
 * Integração: incluir antes do fecho de </head> ou com o fragmento HTML.
 */

html.cn-loader-open,
body.cn-loader-open {
  overflow: hidden;
}

.cn-loader-root {
  --cn-loader-bg: #f4f7fb;
  --cn-loader-surface: #ffffff;
  --cn-loader-ink: #0f1f2e;
  --cn-loader-muted: #5a6b7d;
  --cn-loader-line: rgba(15, 31, 46, 0.08);
  --cn-loader-teal: #0d9488;
  --cn-loader-teal-deep: #0f766e;
  --cn-loader-gold: #c9a227;
  --cn-loader-glow: 0 0 0 1px rgba(13, 148, 136, 0.12), 0 24px 80px rgba(15, 31, 46, 0.12);
  --cn-loader-z: 2147483000;
  position: fixed;
  inset: 0;
  z-index: var(--cn-loader-z);
  display: grid;
  place-items: center;
  padding: clamp(1rem, 4vw, 2.5rem);
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(13, 148, 136, 0.14), transparent 55%),
    radial-gradient(80% 60% at 100% 100%, rgba(201, 162, 39, 0.08), transparent 50%),
    linear-gradient(180deg, var(--cn-loader-bg) 0%, #eef3f9 100%);
  color: var(--cn-loader-ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
  transition: opacity 420ms ease, visibility 420ms ease;
}

.cn-loader-root[hidden] {
  display: none;
}

.cn-loader-root.is-cn-leaving {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.cn-loader-panel {
  width: min(100%, 440px);
  background: var(--cn-loader-surface);
  border: 1px solid var(--cn-loader-line);
  border-radius: clamp(18px, 3vw, 26px);
  box-shadow: var(--cn-loader-glow);
  padding: clamp(1.5rem, 4vw, 2.25rem);
  text-align: center;
  position: relative;
  overflow: hidden;
  animation: cn-loader-rise 640ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.cn-loader-panel::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    125deg,
    rgba(13, 148, 136, 0.35),
    rgba(201, 162, 39, 0.25),
    rgba(13, 148, 136, 0.2)
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.85;
}

.cn-loader-brand {
  font-size: clamp(0.78rem, 2.4vw, 0.9rem);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--cn-loader-teal-deep);
  margin: 0 0 0.75rem;
}

.cn-loader-title {
  margin: 0 0 1.25rem;
  font-size: clamp(1.15rem, 3.2vw, 1.35rem);
  font-weight: 650;
  line-height: 1.35;
  color: var(--cn-loader-ink);
}

.cn-loader-steps {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  text-align: left;
}

.cn-loader-steps li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.55rem 0;
  font-size: 0.95rem;
  color: var(--cn-loader-muted);
  border-bottom: 1px solid var(--cn-loader-line);
}

.cn-loader-steps li:last-child {
  border-bottom: 0;
}

.cn-loader-steps .cn-step-icon {
  flex: 0 0 auto;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 999px;
  border: 2px solid rgba(13, 148, 136, 0.35);
  margin-top: 0.1rem;
  position: relative;
}

.cn-loader-steps li.is-done .cn-step-icon {
  border-color: var(--cn-loader-teal);
  background: rgba(13, 148, 136, 0.12);
}

.cn-loader-steps li.is-done .cn-step-icon::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: inherit;
  background: var(--cn-loader-teal);
  transform: scale(0);
  animation: cn-pop 280ms ease forwards 80ms;
}

.cn-loader-steps li.is-active .cn-step-icon {
  border-color: var(--cn-loader-gold);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.12);
}

.cn-loader-progress {
  height: 6px;
  border-radius: 999px;
  background: rgba(15, 31, 46, 0.06);
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.cn-loader-progress-bar {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cn-loader-teal), var(--cn-loader-teal-deep));
  transition: width 520ms cubic-bezier(0.22, 1, 0.36, 1);
}

.cn-loader-hint {
  margin: 0;
  font-size: 0.8rem;
  color: var(--cn-loader-muted);
}

.cn-loader-sr-live {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@keyframes cn-loader-rise {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes cn-pop {
  to {
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .cn-loader-panel {
    animation: none;
  }

  .cn-loader-steps li.is-done .cn-step-icon::after {
    animation: none;
    transform: scale(1);
  }

  .cn-loader-root {
    transition: opacity 200ms ease;
  }

  .cn-loader-progress-bar {
    transition-duration: 200ms;
  }
}