:root {
  --roi-ai-primary: #2f4f7f;
  --roi-ai-bg: #ffffff;
}

.roi-ai-qa-widget-button {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 99999;
  background: var(--roi-ai-primary);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 12px 14px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(0,0,0,.15);
}

.roi-ai-qa-panel {
  position: fixed;
  display: flex;
  flex-direction: column;
  right: 24px;
  bottom: 78px;
  width: 340px;
  max-width: calc(100vw - 48px);
  max-height: 80vh;
  overflow: hidden;
  background: var(--roi-ai-bg);
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 14px;
  box-shadow: 0 20px 45px rgba(0,0,0,.18);
  z-index: 99999;
  display: none;
}

.roi-ai-qa-panel.open {
  display: flex;
}

.roi-ai-qa-header {
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 12px 12px;
  border-bottom: 1px solid rgba(0,0,0,.08);
  font-weight: 800;
  flex: 0 0 auto;
}

.roi-ai-qa-close {
  border: none;
  background: var(--roi-ai-primary);
  color: #fff;
  border-radius: 10px;
  padding: 6px 10px;
  cursor: pointer;
}

.roi-ai-qa-body {
  padding: 12px;
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding-bottom: 14px;
}

.roi-ai-qa-form {
  display:flex;
  gap: 8px;
}

.roi-ai-qa-input {
  flex: 1;
  border: 1px solid rgba(0,0,0,.15);
  border-radius: 999px;
  padding: 10px 12px;
  outline: none;
}

.roi-ai-qa-ask {
  border: none;
  border-radius: 10px;
  padding: 10px 12px;
  background: var(--roi-ai-primary);
  color:#fff;
  font-weight: 700;
  cursor: pointer;
}

.roi-ai-qa-answer {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.45;
  white-space: pre-wrap;
}

.roi-ai-qa-note {
  margin-top: 10px;
  font-size: 12px;
  color: #b91c1c;
}

.roi-ai-qa-links {
  margin-top: 10px;
  font-size: 13px;
}

.roi-ai-qa-links ul { margin: 6px 0 0 18px; }

.roi-ai-qa-toggle {
  margin-top: 10px;
  border: 1px solid rgba(0,0,0,.1);
  background: transparent;
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
}

.roi-ai-qa-sources {
  display:none;
  margin-top: 10px;
  font-size: 13px;
}

.roi-ai-qa-sources.open { display:block; }

.roi-ai-qa-lead {
  margin-top: 12px;
  padding: 10px;
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 12px;
  background: rgba(0,0,0,.02);
}

.roi-ai-qa-lead-title {
  font-weight: 800;
  margin-bottom: 4px;
}

.roi-ai-qa-lead-body {
  font-size: 12px;
  opacity: 0.85;
  margin-bottom: 8px;
}

.roi-ai-qa-lead-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.roi-ai-qa-lead-input,
.roi-ai-qa-lead-textarea {
  width: 100%;
  border: 1px solid rgba(0,0,0,.15);
  border-radius: 10px;
  padding: 9px 10px;
  outline: none;
  font-size: 13px;
}

.roi-ai-qa-lead-submit {
  border: none;
  border-radius: 10px;
  padding: 10px 12px;
  background: var(--roi-ai-primary);
  color:#fff;
  font-weight: 800;
  cursor: pointer;
}

.roi-ai-qa-lead-status {
  font-size: 12px;
  margin-top: 6px;
}

.roi-ai-qa-lead-status.err { color: #b91c1c; }


@media (max-width: 480px) {
  .roi-ai-qa-panel {
    right: 12px;
    left: 12px;
    width: auto;
    max-width: calc(100vw - 24px);
    max-height: 85vh;
  }
}


/* --- Premium Chat Mode --- */
.roi-ai-chat .roi-ai-qa-body{
  display:flex;
  flex-direction:column;
  gap:10px;
}

.roi-ai-chat-messages{
  flex: 1 1 auto;
  min-height: 0;
}

.roi-ai-chat .roi-ai-qa-form{
  position: sticky;
  bottom: 0;
  background: var(--roi-ai-bg);
  padding-top: 10px;
  padding-bottom: 10px;
  border-top: 1px solid #eef2f7;
}

.roi-ai-chat-msg{
  display:flex;
  margin: 6px 0;
}

.roi-ai-chat-msg.is-user{
  justify-content:flex-end;
}

.roi-ai-chat-bubble{
  max-width: 88%;
  padding: 10px 12px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.45;
  box-shadow: 0 1px 0 rgba(0,0,0,0.05);
  white-space: pre-wrap;
}

.roi-ai-chat-msg.is-user .roi-ai-chat-bubble{
  background: var(--roi-ai-primary);
  color: #fff;
}

.roi-ai-chat-msg.is-assistant .roi-ai-chat-bubble{
  background: #f8fafc;
  color: #0f172a;
  border: 1px solid #e2e8f0;
}

.roi-ai-chat-bubble a{
  color: inherit;
  text-decoration: underline;
}

.roi-ai-chat-clarify{
  margin-top: 10px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}

.roi-ai-chat-clarify-btn{
  border: 1px solid #e2e8f0;
  background: #ffffff;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 13px;
  cursor:pointer;
}

.roi-ai-chat-leadwrap{
  margin-top: 10px;
}