/**
 * Link “Voltar” — mesmo idioma visual do login/cadastro (ícone à esquerda + chip suave).
 * Usado em formulários tenant, admin, auth e landing (privacidade).
 */

.cp-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.95rem 0.48rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.2;
  color: var(--cui-body-color, #0f172a);
  text-decoration: none !important;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--cui-border-color, #e2e8f0) 72%, transparent);
  background: color-mix(in srgb, var(--cui-body-bg, #fff) 90%, var(--cui-tertiary-bg, #f1f5f9));
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05);
  transition:
    color 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.15s ease;
}

.cp-back-link .icon {
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
  opacity: 0.9;
}

.cp-back-link:hover {
  color: var(--cui-primary, #5856d6);
  border-color: color-mix(in srgb, var(--cui-primary, #5856d6) 38%, transparent);
  box-shadow: 0 2px 10px rgba(88, 86, 214, 0.14);
}

.cp-back-link:active {
  transform: scale(0.98);
}

.cp-back-link:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--cui-primary, #5856d6) 55%, transparent);
  outline-offset: 2px;
}

/* Variante maior (CTAs em página de planos, etc.) */
.cp-back-link--lg {
  padding: 0.55rem 1.15rem 0.58rem 0.95rem;
  font-size: 0.9375rem;
}

.cp-back-link--lg .icon {
  width: 1.2rem;
  height: 1.2rem;
}

[data-coreui-theme="dark"] .cp-back-link {
  color: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.14);
  background: color-mix(in srgb, var(--cui-body-bg, #1e1e1e) 88%, rgba(255, 255, 255, 0.04));
  box-shadow: none;
}

[data-coreui-theme="dark"] .cp-back-link:hover {
  color: color-mix(in srgb, #fff 88%, var(--cui-primary, #a5b4fc) 12%);
  border-color: color-mix(in srgb, var(--cui-primary, #5856d6) 48%, transparent);
}

/* Login / cadastro — texto claro sobre fundo escuro */
.cp-back-link--floating {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1050;
  margin: 1rem;
  color: #fff !important;
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 28px rgba(0, 0, 0, 0.35);
}

.cp-back-link--floating:hover {
  color: #fff !important;
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.16);
  box-shadow: 0 6px 32px rgba(0, 0, 0, 0.4);
}

@media (min-width: 768px) {
  .cp-back-link--floating {
    margin: 1.5rem;
  }
}

/* Landing (Bootstrap / sem CoreUI vars): fallback */
.lp-body .cp-back-link {
  color: var(--bs-body-color, #212529);
  border-color: rgba(15, 23, 42, 0.12);
  background: rgba(255, 255, 255, 0.92);
}

.lp-body .cp-back-link:hover {
  color: var(--bs-primary, #5856d6);
  border-color: color-mix(in srgb, var(--bs-primary, #5856d6) 35%, transparent);
}