/* farpa chat-widget · componente DS reusável (site + subprodutos)
 * Consome SOMENTE tokens do DS único (ADR 005) — zero cor hardcoded.
 * Theme-aware (herda --bg/--fg/--accent dos temas light/dark/HC).
 * Acessível: foco visível, aria-live, alvo ≥44px, sem outline-none (ADR 004). */

.fchat {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border, var(--border-default));
  border-radius: 12px;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  overflow: hidden;
  max-width: 640px;
}

.fchat__log {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem;
  min-height: 8rem;
  max-height: 22rem;
  overflow-y: auto;
}

.fchat__msg {
  max-width: 85%;
  padding: 0.6rem 0.85rem;
  border-radius: 10px;
  line-height: 1.5;
  font-size: 0.95rem;
  white-space: pre-wrap;
  word-break: break-word;
}
.fchat__msg--user {
  align-self: flex-end;
  background: var(--accent);
  color: var(--accent-fg, var(--fg-inverse));
}
.fchat__msg--bot {
  align-self: flex-start;
  background: var(--bg-subtle, var(--surface-warm-subtle));
  color: var(--fg);
  border: 1px solid var(--border-subtle, var(--border));
}
.fchat__msg--note {
  align-self: center;
  background: transparent;
  color: var(--fg-muted);
  font-size: 0.82rem;
  font-style: italic;
  text-align: center;
}

.fchat__form {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem;
  border-top: 1px solid var(--border, var(--border-default));
  background: var(--bg);
}
.fchat__input {
  flex: 1;
  min-height: 44px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-default, var(--border));
  border-radius: 8px;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 0.95rem;
}
.fchat__input:focus-visible {
  outline: 2px solid var(--focus-ring, var(--accent));
  outline-offset: 1px;
}
.fchat__send {
  min-height: 44px;
  padding: 0 1.1rem;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-fg, var(--fg-inverse));
  font-family: var(--font-sans);
  font-weight: 500;
  cursor: pointer;
}
.fchat__send:focus-visible {
  outline: 2px solid var(--focus-ring, var(--accent));
  outline-offset: 2px;
}
.fchat__send[disabled] { opacity: 0.55; cursor: progress; }

/* chips de sugestão · guiam a 1ª interação */
.fchat__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0 1rem 0.5rem;
}
.fchat__chip {
  min-height: 36px;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border-default, var(--border));
  border-radius: 999px;
  background: transparent;
  /* texto em alto contraste com o fundo do chip (ink, não muted) · pedido Founder 2026-05-30 */
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  cursor: pointer;
}
.fchat__chip:hover { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, transparent); }
.fchat__chip:focus-visible {
  outline: 2px solid var(--focus-ring, var(--accent));
  outline-offset: 2px;
}

.fchat__foot {
  padding: 0.4rem 0.75rem 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--fg-muted);
  text-align: right;
}

@media (prefers-reduced-motion: no-preference) {
  .fchat__msg { animation: fchat-in 0.18s ease-out; }
  @keyframes fchat-in { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
}