/* Widget de feedback flutuante — sem backdrop escuro, não bloqueia a página.
   Visual alinhado ao portal: card claro translúcido com blur, ícone em
   quadrado tintado (como a quick bar) e opções no estilo dos quick-items.
   Desktop: canto inferior direito, acima do "voltar ao topo".
   Mobile: bottom sheet colapsável. */
.fbw {
  position: fixed;
  right: 1.5rem;
  bottom: 5.5rem;
  width: 340px;
  max-width: calc(100vw - 2rem);
  background: rgba(255,255,255,.78);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  backdrop-filter: blur(16px) saturate(1.4);
  color: var(--ink, #1A2340);
  border: 1px solid rgba(255,255,255,.7);
  border-radius: var(--radius-lg, 20px);
  box-shadow: var(--shadow-lg, 0 12px 40px rgba(26,35,64,.1)), 0 0 0 1px var(--border-light, #EBEEF7);
  font-family: inherit;
  background-clip: padding-box;
  isolation: isolate;
  z-index: 950;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .3s ease, transform .3s ease;
}
/* Sem suporte a blur: fundo sólido para manter a legibilidade. */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .fbw { background: var(--surface, #fff); }
}
.fbw.fbw-in { opacity: 1; transform: translateY(0); }
.fbw.fbw-leave { opacity: 0; transform: translateY(16px); }

.fbw-head { display: flex; align-items: center; padding-right: .25rem; }
.fbw-toggle {
  flex: 1;
  display: flex;
  align-items: center;
  gap: .6rem;
  background: none;
  border: 0;
  padding: .8rem 0 .8rem 1rem;
  text-align: left;
  font: inherit;
  font-size: .9rem;
  font-weight: 700;
  color: var(--ink, #1A2340);
  cursor: pointer;
}
.fbw-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm, 8px);
  background: var(--accent-blue-bg, #E8F0FE);
  color: var(--primary, #1351B4);
}
.fbw-icon svg { width: 18px; height: 18px; }
.fbw-close {
  background: none;
  border: 0;
  width: 44px;
  height: 44px;
  font-size: 1.4rem;
  line-height: 1;
  color: var(--ink-muted, #5F6A89);
  cursor: pointer;
}
.fbw-close { border-radius: var(--radius-md, 12px); }
.fbw-close:hover { color: var(--ink, #1A2340); }

/* Foco visível arredondado (evita o contorno retangular padrão do navegador). */
.fbw button:focus { outline: none; }
.fbw button:focus-visible {
  outline: 2px solid var(--primary, #1351B4);
  outline-offset: 2px;
}
.fbw-toggle { border-radius: var(--radius-lg, 20px) 0 0 var(--radius-lg, 20px); }

.fbw-body { padding: 0 1rem 1rem; }
.fbw-collapsed .fbw-body { display: none; }

.fbw-step {
  margin: 0 0 .25rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--primary, #1351B4);
}
.fbw-question { margin: 0 0 .75rem; font-size: .9rem; font-weight: 600; line-height: 1.35; }
.fbw-scale { display: grid; grid-template-columns: repeat(5, 1fr); gap: .4rem; }
.fbw-opt {
  min-height: 48px;
  padding: 0;
  font-size: 1.45rem;
  background: rgba(255,255,255,.7);
  border: 1px solid var(--border, #DEE3F0);
  border-radius: var(--radius-md, 12px);
  cursor: pointer;
  transition: var(--transition, .25s ease);
}
.fbw-opt:hover, .fbw-opt:focus-visible {
  background: var(--accent-green-bg, #E6F5ED);
  border-color: var(--accent-green, #0D8050);
  transform: translateY(-2px);
}
.fbw-legend {
  display: flex;
  justify-content: space-between;
  margin-top: .5rem;
  font-size: 0.875rem;
  color: var(--ink-muted, #5F6A89);
}
.fbw-text {
  width: 100%;
  box-sizing: border-box;
  resize: vertical;
  padding: .6rem .7rem;
  font: inherit;
  font-size: 0.875rem;
  color: inherit;
  background: rgba(255,255,255,.8);
  border: 1px solid var(--border, #DEE3F0);
  border-radius: var(--radius-md, 12px);
}
.fbw-text:focus { outline: none; border-color: var(--primary, #1351B4); box-shadow: 0 0 0 3px var(--primary-glow, rgba(19,81,180,.12)); }
.fbw-send {
  margin-top: .6rem;
  width: 100%;
  min-height: 44px;
  font: inherit;
  font-weight: 700;
  color: #fff;
  background: var(--primary, #1351B4);
  border: 0;
  border-radius: var(--radius-md, 12px);
  cursor: pointer;
  transition: var(--transition, .25s ease);
}
.fbw-send:hover { background: var(--primary-dark, #0C3B8A); }
.fbw-thanks { margin: 0; padding: .4rem 0; font-weight: 600; text-align: center; }

@media (max-width: 640px) {
  .fbw {
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: none;
    border-radius: var(--radius-lg, 20px) var(--radius-lg, 20px) 0 0;
    padding-bottom: env(safe-area-inset-bottom);
    transform: translateY(100%);
  }
  .fbw.fbw-in { transform: translateY(0); }
  .fbw.fbw-leave { transform: translateY(100%); }
}

@media (prefers-reduced-motion: reduce) {
  .fbw, .fbw-opt { transition: none; }
}

/* Modo de alto contraste */
body.high-contrast .fbw { background: #111; border-color: #fff; color: #fff; -webkit-backdrop-filter: none; backdrop-filter: none; }