.ai-chat {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.ai-chat__messages {
  background: #fcfdff;
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: clamp(240px, 42vh, 420px);
  min-height: 200px;
  overflow-y: auto;
  padding: var(--space-3);
}

.ai-msg {
  border-radius: var(--radius-sm);
  max-width: 80%;
  padding: 10px 12px;
}

.ai-msg__text {
  margin: 0;
}

.ai-msg__image {
  display: block;
  width: 100%;
  max-width: 320px;
  margin-top: 10px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.ai-msg__price-block {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px dashed var(--border-color);
}

.ai-msg__price-total {
  font-weight: 600;
  margin: 0 0 6px;
}

.ai-msg__price-note {
  color: var(--text-muted, #64748b);
  font-size: 0.9rem;
  margin: 0 0 8px;
}

.ai-msg__price-breakdown {
  color: var(--text-muted, #64748b);
  font-size: 0.85rem;
  margin: 0;
  padding-left: 1.1rem;
}

.ai-msg__price-breakdown li {
  margin-bottom: 4px;
}

.ai-msg__actions {
  margin-top: 12px;
}

.ai-msg__cart-btn {
  max-width: 240px;
}

.ai-msg--assistant { align-self: flex-start; background: #f3f4f6; }
.ai-msg--user { align-self: flex-end; background: #e0e7ff; }

.ai-chat__form {
  align-items: stretch;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
}

.ai-chat__input {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  min-height: 48px;
  padding: 12px;
  width: 100%;
}

.ai-chat__form .btn {
  align-self: stretch;
}

@media (min-width: 641px) {
  .ai-chat__form {
    align-items: center;
    flex-direction: row;
  }

  .ai-chat__input {
    flex: 1 1 auto;
    min-width: 0;
    width: auto;
  }

  .ai-chat__form .btn {
    align-self: stretch;
    flex: 0 0 auto;
  }
}