/* Phase AD: safer, clearer AI setup UX. */
.qf-ai-setup {
  margin: 0 0 18px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.qf-ai-top {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  padding: 18px;
  border-bottom: 1px solid var(--border);
}
.qf-ai-kicker {
  color: var(--accent);
  font: 700 11px var(--font-mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.qf-ai-setup h2 {
  margin: 0;
  font-size: 24px;
  letter-spacing: -.035em;
}
.qf-ai-setup p {
  margin: 7px 0 0;
  color: var(--muted);
  max-width: 700px;
}
.qf-ai-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}
.qf-ai-actions button {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-btn);
  padding: 9px 12px;
  background: rgba(255,255,255,.035);
  color: var(--ink-soft);
  font-weight: 750;
  cursor: pointer;
}
.qf-ai-actions button:hover {
  border-color: var(--accent);
  color: var(--ink);
}
.qf-ai-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 16px;
}
.qf-ai-card {
  border: 1px solid var(--border);
  border-radius: 17px;
  background: rgba(255,255,255,.025);
  padding: 13px;
}
.qf-ai-card span {
  display: block;
  color: var(--accent-2);
  font: 700 10px var(--font-mono);
  letter-spacing: .09em;
  text-transform: uppercase;
  margin-bottom: 7px;
}
.qf-ai-card strong {
  display: block;
  color: var(--ink);
  margin-bottom: 6px;
}
.qf-ai-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}
.qf-ai-safety {
  margin: 0 0 18px;
  border: 1px dashed var(--border-strong);
  border-radius: 16px;
  padding: 13px 14px;
  color: var(--ink-soft);
  background: rgba(255,255,255,.022);
}
.qf-ai-safety b { color: var(--accent); }
.qf-ai-chat-mock {
  margin: 0 0 18px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface);
  padding: 14px;
}
.qf-ai-chat-mock strong {
  color: var(--ink);
  display: block;
  margin-bottom: 10px;
}
.qf-ai-bubbles {
  display: grid;
  gap: 8px;
}
.qf-ai-bubble {
  max-width: 760px;
  border: 1px solid var(--border);
  border-radius: 15px;
  padding: 10px 12px;
  color: var(--ink-soft);
  background: rgba(255,255,255,.025);
  font-size: 13px;
  line-height: 1.45;
}
.qf-ai-bubble.customer {
  margin-left: auto;
  background: rgba(51, 86, 238,.08);
  border-color: rgba(51, 86, 238,.22);
}
.qf-ai-bubble.agent {
  margin-right: auto;
}
.qf-ai-bubble.agent::before,
.qf-ai-bubble.customer::before {
  display: block;
  margin-bottom: 4px;
  font: 700 10px var(--font-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.qf-ai-bubble.customer::before { content: 'Customer'; }
.qf-ai-bubble.agent::before { content: 'AI assistant'; color: var(--accent); }

/* Phase BD: premium light-mode AI setup refinement. */
html[data-theme="light"] .qf-ai-setup {
  border-color: rgba(184, 207, 245, 0.72);
  background: #ffffff;
  box-shadow: var(--qf-shadow-md);
}

html[data-theme="light"] .qf-ai-top {
  border-bottom-color: rgba(184, 207, 245, 0.68);
}

html[data-theme="light"] .qf-ai-kicker,
html[data-theme="light"] .qf-ai-card span {
  color: var(--accent, #3b22f4);
  font-family: var(--font-sans);
  font-weight: 900;
  letter-spacing: 0.08em;
}

html[data-theme="light"] .qf-ai-card,
html[data-theme="light"] .qf-ai-safety,
html[data-theme="light"] .qf-ai-chat-mock,
html[data-theme="light"] .qf-ai-bubble {
  border-color: rgba(184, 207, 245, 0.74);
  background: rgba(255, 255, 255, 0.84);
}

html[data-theme="light"] .qf-ai-actions button {
  border-color: rgba(184, 207, 245, 0.84);
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink, #0f172a);
}

html[data-theme="light"] .qf-ai-actions button:hover {
  border-color: rgba(59, 34, 244, 0.28);
  background: rgba(59, 34, 244, 0.08);
  color: var(--accent, #3b22f4);
}

html[data-theme="light"] .qf-ai-bubble.customer {
  border-color: rgba(5, 150, 105, 0.25);
  background: rgba(5, 150, 105, 0.07);
}

html[data-theme="light"] .qf-ai-bubble.agent::before {
  color: var(--accent, #3b22f4);
}

/* Phase BI: AI guardrail preset controls. */
.qf-ai-presets {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, .9fr);
  gap: 14px;
  align-items: center;
  margin: 0 0 18px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(255,255,255,.024);
  padding: 14px;
}
.qf-ai-presets strong {
  display: block;
  color: var(--ink);
  font-size: 17px;
  margin-bottom: 5px;
}
.qf-ai-presets p {
  color: var(--muted);
  margin: 0;
  line-height: 1.45;
}
.qf-ai-preset-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}
.qf-ai-preset-buttons button {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-btn);
  background: rgba(255,255,255,.035);
  color: var(--ink-soft);
  padding: 9px 11px;
  font-weight: 800;
  cursor: pointer;
}
.qf-ai-preset-buttons button:hover {
  border-color: var(--accent);
  color: var(--ink);
}
html[data-theme="light"] .qf-ai-presets {
  border-color: rgba(184, 207, 245, 0.72);
  background: #ffffff;
  box-shadow: var(--qf-shadow-md);
}
@media (max-width: 980px) {
  .qf-ai-top { display: grid; }
  .qf-ai-actions { justify-content: flex-start; }
  .qf-ai-grid { grid-template-columns: 1fr 1fr; }
  .qf-ai-presets { grid-template-columns: 1fr; }
  .qf-ai-preset-buttons { justify-content: flex-start; }
}
@media (max-width: 640px) {
  .qf-ai-grid { grid-template-columns: 1fr; }
}