/* ==========================================================================
   Nova IA — assistente virtual Nova Era Veículos
   ========================================================================== */

.nova-ia-fab {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 120;
  width: 3.75rem;
  height: 3.75rem;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
  color: var(--navy-975);
  box-shadow: 0 8px 32px rgba(201, 169, 98, 0.45), 0 4px 16px rgba(0, 0, 0, 0.3);
  transition: transform var(--transition), box-shadow var(--transition);
}

.nova-ia-fab:hover {
  transform: scale(1.06);
  box-shadow: 0 12px 40px rgba(201, 169, 98, 0.55), 0 6px 20px rgba(0, 0, 0, 0.35);
}

.nova-ia-fab:active {
  transform: scale(0.98);
}

.nova-ia-fab__icon {
  width: 1.75rem;
  height: 1.75rem;
}

.nova-ia-fab__badge {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: #25d366;
  border: 2px solid var(--navy-975);
  animation: nova-ia-pulse 2s infinite;
}

@keyframes nova-ia-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.nova-ia-panel {
  position: fixed;
  right: 1.25rem;
  bottom: 5.5rem;
  z-index: 119;
  width: min(400px, calc(100vw - 2rem));
  height: min(560px, calc(100vh - 8rem));
  display: flex;
  flex-direction: column;
  border-radius: var(--radius);
  background: var(--navy-900);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-elevated);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.96);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.nova-ia-panel--open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.nova-ia-panel__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.125rem;
  background: linear-gradient(135deg, var(--navy-800) 0%, var(--navy-900) 100%);
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.nova-ia-panel__avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  flex-shrink: 0;
}

.nova-ia-panel__info {
  flex: 1;
  min-width: 0;
}

.nova-ia-panel__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--text);
  line-height: 1.2;
}

.nova-ia-panel__status {
  margin: 0.125rem 0 0;
  font-size: 0.75rem;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.nova-ia-panel__status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #25d366;
}

.nova-ia-panel__close {
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
}

.nova-ia-panel__close:hover {
  background: var(--gold-muted);
  color: var(--text);
}

.nova-ia-panel__messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  scroll-behavior: smooth;
}

.nova-ia-msg {
  max-width: 88%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  line-height: 1.5;
  word-wrap: break-word;
}

.nova-ia-msg--bot {
  align-self: flex-start;
  background: var(--surface-raised);
  color: var(--text);
  border-bottom-left-radius: 4px;
}

.nova-ia-msg--user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--gold-deep) 0%, var(--gold) 100%);
  color: var(--navy-975);
  border-bottom-right-radius: 4px;
  font-weight: 600;
}

.nova-ia-msg--typing {
  align-self: flex-start;
  background: var(--surface-raised);
  color: var(--text-muted);
  display: flex;
  gap: 0.25rem;
  padding: 0.875rem 1.125rem;
}

.nova-ia-msg--typing span {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--gold);
  animation: nova-ia-dot 1.2s infinite;
}

.nova-ia-msg--typing span:nth-child(2) { animation-delay: 0.2s; }
.nova-ia-msg--typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes nova-ia-dot {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1); }
}

.nova-ia-vehicles {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-top: 0.5rem;
  max-width: 100%;
}

.nova-ia-vehicle-card {
  display: flex;
  gap: 0.75rem;
  padding: 0.625rem;
  border-radius: var(--radius-sm);
  background: var(--navy-800);
  border: 1px solid var(--border-subtle);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--transition), transform var(--transition);
}

.nova-ia-vehicle-card:hover {
  border-color: var(--gold);
  transform: translateY(-1px);
}

.nova-ia-vehicle-card__img {
  width: 72px;
  height: 54px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--surface-dark);
}

.nova-ia-vehicle-card__body {
  flex: 1;
  min-width: 0;
}

.nova-ia-vehicle-card__name {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--gold-bright);
  line-height: 1.3;
}

.nova-ia-vehicle-card__meta {
  margin: 0.125rem 0 0;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.nova-ia-vehicle-card__price {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text);
}

.nova-ia-vehicle-card__badge {
  display: inline-block;
  margin-top: 0.25rem;
  padding: 0.125rem 0.5rem;
  border-radius: 4px;
  background: rgba(37, 211, 102, 0.15);
  color: #2fe26b;
  font-size: 0.6875rem;
  font-weight: 700;
}

.nova-ia-vehicle-card__link {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.6875rem;
  color: var(--gold);
  font-weight: 600;
}

.nova-ia-panel__footer {
  padding: 0.75rem 1rem 1rem;
  border-top: 1px solid var(--border-subtle);
  background: var(--navy-950);
  flex-shrink: 0;
}

.nova-ia-panel__wa {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem 1rem;
  margin-bottom: 0.625rem;
  border: none;
  border-radius: var(--radius-sm);
  background: #25d366;
  color: #fff;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
}

.nova-ia-panel__wa:hover {
  background: #2fe26b;
}

.nova-ia-panel__wa:active {
  transform: scale(0.98);
}

.nova-ia-panel__form {
  display: flex;
  gap: 0.5rem;
}

.nova-ia-panel__input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  background: var(--surface-dark);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  outline: none;
  transition: border-color var(--transition);
}

.nova-ia-panel__input::placeholder {
  color: var(--text-muted);
}

.nova-ia-panel__input:focus {
  border-color: var(--gold);
}

.nova-ia-panel__send {
  width: 2.75rem;
  height: 2.75rem;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
  color: var(--navy-975);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.nova-ia-panel__send:hover {
  transform: scale(1.05);
}

.nova-ia-panel__send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

@media (max-width: 1023px) {
  .nova-ia-fab {
    bottom: calc(4.75rem + env(safe-area-inset-bottom, 0px));
    right: 1rem;
  }

  .nova-ia-panel {
    right: 0.75rem;
    left: 0.75rem;
    width: auto;
    bottom: calc(5.25rem + env(safe-area-inset-bottom, 0px));
    height: min(520px, calc(100vh - 7rem - env(safe-area-inset-bottom, 0px)));
  }
}

@media (max-width: 480px) {
  .nova-ia-fab {
    width: 3.25rem;
    height: 3.25rem;
  }

  .nova-ia-fab__icon {
    width: 1.5rem;
    height: 1.5rem;
  }
}