/* AI Chat Widget */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.chat-widget__status--dev {
  color: var(--warning) !important;
  font-weight: 600;
}

.chat-widget__messages--dev {
  justify-content: center;
  align-items: center;
  padding: 1.25rem;
}

.chat-widget__dev-notice {
  text-align: center;
  max-width: 280px;
  color: var(--text);
}

.chat-widget__dev-notice i {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.chat-widget__dev-notice p {
  margin: 0 0 0.65rem;
  font-size: 0.9rem;
  line-height: 1.5;
}

.chat-widget__dev-notice p strong {
  font-size: 1.05rem;
  display: block;
  margin-bottom: 0.35rem;
}

.chat-widget--dev .chat-widget__toggle {
  opacity: 0.92;
}

.chat-widget {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 9000;
  font-family: var(--font);
}

.chat-widget__toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.15rem;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition), box-shadow var(--transition);
}

.chat-widget__toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(12, 192, 223, 0.35);
}

.chat-widget__toggle i {
  font-size: 1.15rem;
}

.chat-widget__panel {
  position: absolute;
  bottom: calc(100% + 0.75rem);
  right: 0;
  width: min(380px, calc(100vw - 2rem));
  height: min(520px, calc(100vh - 6rem));
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  overflow: hidden;
}

.chat-widget__panel[hidden] {
  display: none !important;
}

.chat-widget__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  background: var(--surface-dark);
  color: var(--white);
}

.chat-widget__header-info {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.chat-widget__header-info i {
  font-size: 1.25rem;
  color: var(--primary);
}

.chat-widget__status {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted-light);
  font-weight: 400;
}

.chat-widget__close {
  background: transparent;
  border: none;
  color: var(--text-muted-light);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
}

.chat-widget__close:hover {
  color: var(--white);
}

.chat-widget__messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: var(--bg);
}

.chat-widget__message {
  max-width: 88%;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  line-height: 1.45;
}

.chat-widget__message p {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.chat-widget__message--user {
  align-self: flex-end;
  background: var(--primary);
  color: var(--white);
  border-bottom-right-radius: var(--radius-sm);
}

.chat-widget__message--assistant {
  align-self: flex-start;
  background: var(--white);
  color: var(--text);
  border: 1px solid var(--border);
  border-bottom-left-radius: var(--radius-sm);
}

.chat-widget__products {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.chat-widget__product-card {
  display: flex;
  gap: 0.5rem;
  padding: 0.5rem;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  font-size: 0.8rem;
}

.chat-widget__product-card img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  background: var(--white);
}

.chat-widget__product-card strong {
  display: block;
  font-size: 0.82rem;
}

.chat-widget__product-card span {
  color: var(--primary-dark);
  font-weight: 700;
}

.chat-widget__typing {
  display: flex;
  gap: 4px;
  padding: 0 1rem 0.5rem;
  background: var(--bg);
}

.chat-widget__typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-muted-light);
  animation: chat-bounce 1.2s infinite ease-in-out;
}

.chat-widget__typing span:nth-child(2) { animation-delay: 0.15s; }
.chat-widget__typing span:nth-child(3) { animation-delay: 0.3s; }

@keyframes chat-bounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.4; }
  40% { transform: translateY(-5px); opacity: 1; }
}

.chat-widget__handoff {
  padding: 0 1rem 0.5rem;
  background: var(--bg);
}

.chat-widget__handoff[hidden] {
  display: none !important;
}

.chat-widget__whatsapp-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.65rem;
  background: var(--whatsapp);
  color: var(--white);
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.88rem;
  text-decoration: none;
  transition: opacity var(--transition);
}

.chat-widget__whatsapp-btn:hover {
  opacity: 0.92;
}

.chat-widget__form {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem;
  border-top: 1px solid var(--border);
  background: var(--white);
  align-items: flex-end;
}

.chat-widget__input {
  flex: 1;
  resize: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.55rem 0.75rem;
  font-family: inherit;
  font-size: 0.88rem;
  max-height: 100px;
  line-height: 1.4;
}

.chat-widget__input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.chat-widget__send {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: var(--radius);
  background: var(--primary);
  color: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.chat-widget__send:hover:not(:disabled) {
  background: var(--primary-dark);
}

.chat-widget__send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.chat-widget__disclaimer {
  margin: 0;
  padding: 0.35rem 0.75rem 0.6rem;
  font-size: 0.68rem;
  color: var(--text-muted);
  text-align: center;
  background: var(--white);
}

.chat-widget--open .chat-widget__toggle {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.9);
}

@media (max-width: 480px) {
  .chat-widget {
    bottom: 0.75rem;
    right: 0.75rem;
    left: 0.75rem;
  }

  .chat-widget__toggle-label {
    display: none;
  }

  .chat-widget__panel {
    width: 100%;
    right: 0;
    height: min(70vh, 520px);
  }
}