/* ============================================================
 * ASSISTANT CSS — 100% escopado sob .dcx- (zero vazamento).
 * Consome os tokens da marca via variáveis --dcx-* que o JS
 * injeta a partir do ASSISTANT_CONFIG.brand.colors.
 * Nada de reset global, nada de !important, box-sizing e font
 * declarados dentro do escopo pra não herdar do site por acidente.
 * ============================================================ */

.dcx-root,
.dcx-root *,
.dcx-root *::before,
.dcx-root *::after {
  box-sizing: border-box;
}

.dcx-root {
  /* Fallbacks caso o JS não injete (progressive enhancement) */
  --dcx-primary: #e3122f;
  --dcx-accent: #ff2740;
  --dcx-bg: #08090b;
  --dcx-surface: #14171b;
  --dcx-line: #20242b;
  --dcx-text: #f4f5f7;
  --dcx-whatsapp: #25d366;
  --dcx-font-heading: "Bricolage Grotesque", system-ui, sans-serif;
  --dcx-font-body: "Inter", system-ui, -apple-system, sans-serif;

  --dcx-muted: color-mix(in oklab, var(--dcx-text) 62%, transparent);
  --dcx-dim: color-mix(in oklab, var(--dcx-text) 42%, transparent);

  font-family: var(--dcx-font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--dcx-text);
  -webkit-font-smoothing: antialiased;
}

/* ===================== FAB ===================== */
.dcx-fab {
  position: fixed;
  inset-inline-end: clamp(1rem, 3vw, 1.5rem);
  inset-block-end: calc(clamp(1rem, 3vw, 1.5rem) + env(safe-area-inset-bottom, 0px));
  z-index: var(--dcx-z, 92);
  inline-size: 60px;
  block-size: 60px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--dcx-primary), var(--dcx-accent));
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 0 0 4px var(--dcx-bg),
    0 12px 32px -8px rgba(0, 0, 0, 0.55),
    0 0 24px -6px color-mix(in oklab, var(--dcx-primary) 60%, transparent);
  /* entrada única, sem pulso contínuo (anti-padrão §11) */
  animation: dcx-fab-in 520ms cubic-bezier(0.34, 1.56, 0.64, 1) both;
  transition: transform 220ms cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 220ms ease;
}
.dcx-fab:hover { transform: translateY(-2px) scale(1.04); }
.dcx-fab:active { transform: translateY(0) scale(0.98); }
.dcx-fab:focus-visible {
  outline: 3px solid var(--dcx-accent);
  outline-offset: 3px;
}
.dcx-fab svg { inline-size: 28px; block-size: 28px; }
.dcx-fab__badge {
  position: absolute;
  inset-block-start: -2px;
  inset-inline-end: -2px;
  inline-size: 16px;
  block-size: 16px;
  border-radius: 50%;
  background: var(--dcx-whatsapp);
  border: 2px solid var(--dcx-bg);
}
/* Esconde o FAB quando o painel está aberto */
.dcx-root.is-open .dcx-fab {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.8);
}

@keyframes dcx-fab-in {
  from { opacity: 0; transform: translateY(20px) scale(0.6); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ===================== PANEL ===================== */
.dcx-panel {
  position: fixed;
  inset-inline-end: clamp(1rem, 3vw, 1.5rem);
  inset-block-end: calc(clamp(1rem, 3vw, 1.5rem) + env(safe-area-inset-bottom, 0px));
  z-index: calc(var(--dcx-z, 92) + 1);
  inline-size: min(384px, calc(100vw - 2rem));
  /* Altura desktop: proporcional à viewport, com teto de 520px e piso
   * confortável. Nunca encosta no topo (folga p/ o header do site) nem
   * fica gigante em telas grandes. clamp mantém utilizável em telas baixas. */
  block-size: clamp(420px, calc(100dvh - 120px - env(safe-area-inset-bottom, 0px)), 520px);
  display: flex;
  flex-direction: column;
  background: var(--dcx-bg);
  border: 1px solid var(--dcx-line);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 24px 64px -16px rgba(0, 0, 0, 0.7);
  transform-origin: bottom right;
  /* fechado por default (estado seguro) */
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.96);
  transition: opacity 260ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 260ms cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0ms linear 260ms;
}
.dcx-root.is-open .dcx-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  transition: opacity 300ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 300ms cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0ms linear 0ms;
}

/* ---- Header ---- */
.dcx-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.125rem;
  background: linear-gradient(
    135deg,
    color-mix(in oklab, var(--dcx-primary) 16%, var(--dcx-surface)),
    var(--dcx-surface));
  border-block-end: 1px solid var(--dcx-line);
  flex-shrink: 0;
}
.dcx-header__avatar {
  inline-size: 42px;
  block-size: 42px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid color-mix(in oklab, var(--dcx-primary) 40%, transparent);
  background: var(--dcx-bg);
  flex-shrink: 0;
}
.dcx-header__meta { flex: 1; min-inline-size: 0; }
.dcx-header__name {
  font-family: var(--dcx-font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--dcx-text);
  line-height: 1.2;
}
.dcx-header__status {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  color: var(--dcx-muted);
  margin-block-start: 2px;
}
.dcx-header__dot {
  inline-size: 7px;
  block-size: 7px;
  border-radius: 50%;
  background: var(--dcx-whatsapp);
  box-shadow: 0 0 0 0 color-mix(in oklab, var(--dcx-whatsapp) 70%, transparent);
  animation: dcx-pulse 2.4s ease-out infinite;
}
.dcx-header__close {
  inline-size: 36px;
  block-size: 36px;
  border: none;
  border-radius: 50%;
  background: color-mix(in oklab, var(--dcx-text) 6%, transparent);
  color: var(--dcx-text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 180ms ease;
}
.dcx-header__close:hover { background: color-mix(in oklab, var(--dcx-text) 14%, transparent); }
.dcx-header__close:focus-visible { outline: 2px solid var(--dcx-accent); outline-offset: 2px; }
.dcx-header__close svg { inline-size: 18px; block-size: 18px; }

@keyframes dcx-pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in oklab, var(--dcx-whatsapp) 60%, transparent); }
  70%  { box-shadow: 0 0 0 7px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

/* ---- Messages ---- */
.dcx-messages {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: 1.125rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  scrollbar-width: thin;
  scrollbar-color: var(--dcx-line) transparent;
}
.dcx-messages::-webkit-scrollbar { inline-size: 6px; }
.dcx-messages::-webkit-scrollbar-thumb {
  background: var(--dcx-line);
  border-radius: 3px;
}

.dcx-msg {
  max-inline-size: 85%;
  padding: 0.75rem 1rem;
  border-radius: 16px;
  font-size: 0.9rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  animation: dcx-msg-in 320ms cubic-bezier(0.16, 1, 0.3, 1) both;
}
.dcx-msg strong { font-weight: 700; color: var(--dcx-text); }
.dcx-msg--bot {
  align-self: flex-start;
  background: var(--dcx-surface);
  border: 1px solid var(--dcx-line);
  border-end-start-radius: 4px;
  color: color-mix(in oklab, var(--dcx-text) 92%, transparent);
}
.dcx-msg--user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--dcx-primary), var(--dcx-accent));
  border-end-end-radius: 4px;
  color: #fff;
}
.dcx-msg--user strong { color: #fff; }

@keyframes dcx-msg-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Typing indicator */
.dcx-typing {
  align-self: flex-start;
  display: inline-flex;
  gap: 4px;
  padding: 0.875rem 1rem;
  background: var(--dcx-surface);
  border: 1px solid var(--dcx-line);
  border-radius: 16px;
  border-end-start-radius: 4px;
}
.dcx-typing span {
  inline-size: 7px;
  block-size: 7px;
  border-radius: 50%;
  background: var(--dcx-dim);
  animation: dcx-typing 1.3s ease-in-out infinite;
}
.dcx-typing span:nth-child(2) { animation-delay: 0.18s; }
.dcx-typing span:nth-child(3) { animation-delay: 0.36s; }

@keyframes dcx-typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-5px); opacity: 1; }
}

/* Rich cards (deep-link / handoff) */
.dcx-card {
  align-self: flex-start;
  max-inline-size: 85%;
  border: 1px solid var(--dcx-line);
  border-radius: 14px;
  overflow: hidden;
  background: var(--dcx-surface);
  animation: dcx-msg-in 320ms cubic-bezier(0.16, 1, 0.3, 1) both;
}
.dcx-card__body { padding: 0.75rem 0.875rem; }
.dcx-card__title { font-weight: 700; font-size: 0.875rem; margin-block-end: 2px; }
.dcx-card__text { font-size: 0.8rem; color: var(--dcx-muted); }

/* ---- Quick replies + actions ---- */
.dcx-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0 1.125rem 0.75rem;
  flex-shrink: 0;
}
.dcx-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  min-block-size: 36px;
  padding: 0.5rem 0.875rem;
  border: 1px solid color-mix(in oklab, var(--dcx-primary) 28%, var(--dcx-line));
  border-radius: 9999px;
  background: color-mix(in oklab, var(--dcx-primary) 6%, transparent);
  color: var(--dcx-text);
  font-family: var(--dcx-font-body);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}
.dcx-chip:hover {
  background: color-mix(in oklab, var(--dcx-primary) 14%, transparent);
  border-color: var(--dcx-primary);
  transform: translateY(-1px);
}
.dcx-chip:active { transform: translateY(0); }
.dcx-chip:focus-visible { outline: 2px solid var(--dcx-accent); outline-offset: 2px; }

/* Handoff CTA (WhatsApp) — destaque */
.dcx-chip--wa {
  background: color-mix(in oklab, var(--dcx-whatsapp) 16%, transparent);
  border-color: color-mix(in oklab, var(--dcx-whatsapp) 50%, transparent);
  color: var(--dcx-text);
  font-weight: 600;
}
.dcx-chip--wa:hover {
  background: color-mix(in oklab, var(--dcx-whatsapp) 26%, transparent);
  border-color: var(--dcx-whatsapp);
}

/* ---- Input ---- */
.dcx-input {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom, 0px));
  border-block-start: 1px solid var(--dcx-line);
  background: var(--dcx-surface);
  flex-shrink: 0;
}
.dcx-input__field {
  flex: 1;
  min-inline-size: 0;
  min-block-size: 44px;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--dcx-line);
  border-radius: 9999px;
  background: var(--dcx-bg);
  color: var(--dcx-text);
  font-family: var(--dcx-font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 180ms ease;
}
.dcx-input__field::placeholder { color: var(--dcx-dim); }
.dcx-input__field:focus { border-color: var(--dcx-primary); }
.dcx-input__send {
  inline-size: 44px;
  block-size: 44px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--dcx-primary), var(--dcx-accent));
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 180ms ease, opacity 180ms ease;
}
.dcx-input__send:hover { transform: scale(1.06); }
.dcx-input__send:active { transform: scale(0.96); }
.dcx-input__send:disabled { opacity: 0.4; cursor: default; transform: none; }
.dcx-input__send:focus-visible { outline: 2px solid var(--dcx-accent); outline-offset: 2px; }
.dcx-input__send svg { inline-size: 20px; block-size: 20px; }

/* A tira persistente de quick-replies (entre mensagens e input) é uma
 * LINHA ÚNICA com scroll horizontal — como as sugestões do WhatsApp.
 * Nunca empilha em várias linhas nem rouba altura vertical do painel;
 * o usuário desliza lateralmente para ver todos os atalhos. Os chips
 * de AÇÃO que aparecem dentro das mensagens (após respostas) continuam
 * podendo quebrar em várias linhas — são .dcx-quick dentro de .dcx-messages. */
.dcx-panel > .dcx-quick {
  flex-wrap: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  max-block-size: none;
  padding-block: 0.625rem;
  padding-inline: 1.125rem;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--dcx-line) transparent;
  /* fade sutil nas bordas indicando que há mais chips deslizáveis */
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 12px, #000 calc(100% - 12px), transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 12px, #000 calc(100% - 12px), transparent 100%);
  border-block-start: 1px solid color-mix(in oklab, var(--dcx-line) 60%, transparent);
}
.dcx-panel > .dcx-quick::-webkit-scrollbar { block-size: 5px; }
.dcx-panel > .dcx-quick::-webkit-scrollbar-thumb { background: var(--dcx-line); border-radius: 3px; }
.dcx-panel > .dcx-quick .dcx-chip {
  flex-shrink: 0;
  scroll-snap-align: start;
}
/* Blocos de ação inline (dentro das mensagens) não têm cap — fluem no scroll */
.dcx-messages .dcx-quick { max-block-size: none; overflow: visible; }

/* ============================================================
 * RESPONSIVIDADE — mobile / tablet / desktop
 * Base (acima) = desktop grande: painel flutuante ancorado no rodapé.
 * ============================================================ */

/* ═══════════════ RESPONSIVIDADE ═══════════════
 * Base (acima) = desktop: painel flutuante 384px ancorado à direita.
 * Abaixo, três faixas: tablet, mobile-fullscreen, altura-baixa. */

/* ---- TABLET (601–1024): flutuante, levemente mais largo, ainda ancorado ---- */
@media (min-width: 601px) and (max-width: 1024px) {
  .dcx-panel {
    inline-size: min(400px, calc(100vw - 2rem));
    block-size: clamp(440px, calc(100dvh - 132px - env(safe-area-inset-bottom, 0px)), 560px);
  }
}

/* ---- PHABLET / TABLET ESTREITO (481–600): cola nas laterais mantendo
 * cantos e folga superior; ainda não é full-screen. ---- */
@media (min-width: 481px) and (max-width: 600px) {
  .dcx-panel {
    inset-inline: 1rem;
    inline-size: auto;
    block-size: clamp(440px, calc(100dvh - 96px - env(safe-area-inset-bottom, 0px)), 600px);
  }
}

/* ---- MOBILE (≤480): full-screen real; teclado tratado via visualViewport (JS) ---- */
@media (max-width: 480px) {
  .dcx-panel {
    inset-inline: 0;
    inset-block: 0;
    inline-size: 100%;
    block-size: 100dvh;
    max-block-size: 100dvh;
    border-radius: 0;
    border: none;
  }
}

/* ---- ALTURA BAIXA (landscape de celular, janelas curtas): usa quase toda
 * a vertical; a tira de quick-replies já é horizontal, então não sufoca. ---- */
@media (max-height: 480px) and (min-width: 481px) {
  .dcx-panel {
    block-size: calc(100dvh - 16px);
    inset-block-end: 8px;
  }
  .dcx-header { padding-block: 0.5rem; }
  .dcx-header__avatar { inline-size: 34px; block-size: 34px; }
}
/* Reduced motion: desliga animações decorativas */
@media (prefers-reduced-motion: reduce) {
  .dcx-fab,
  .dcx-panel,
  .dcx-msg,
  .dcx-card,
  .dcx-header__dot,
  .dcx-typing span {
    animation: none;
    transition: opacity 120ms linear, visibility 0ms;
  }
  .dcx-fab:hover,
  .dcx-chip:hover,
  .dcx-input__send:hover { transform: none; }
}