/* ============================================================
   MR Brain UI — Role-Based Brain Interface Styles (PR-199)
   ============================================================ */

.brain-ui {
  display: flex;
  flex-direction: column;
  height: 100%;
  gap: 1rem;
}

.brain-ui-header {
  padding: 1rem 0;
  border-bottom: 1px solid var(--fc-border, #1F2937);
}

.brain-ui-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--fc-text, #F1F5F9);
  margin: 0 0 0.25rem;
}

.brain-ui-desc {
  font-size: 0.85rem;
  color: var(--fc-text-muted, #64748B);
  margin: 0;
}

.brain-ui-section-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fc-text-dim, #475569);
  margin: 0 0 0.5rem;
}

.brain-ui-capabilities,
.brain-ui-restrictions {
  padding: 0.75rem;
  background: var(--fc-card, #172033);
  border: 1px solid var(--fc-border, #1F2937);
  border-radius: 8px;
}

.brain-ui-cap-list,
.brain-ui-restrict-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.brain-ui-cap-item {
  padding: 0.25rem 0.75rem;
  background: var(--fc-success-subtle, rgba(16,185,129,0.1));
  color: var(--fc-success, #10B981);
  border-radius: 16px;
  font-size: 0.75rem;
  font-weight: 500;
}

.brain-ui-restrict-item {
  padding: 0.25rem 0.75rem;
  background: var(--fc-danger-subtle, rgba(239,68,68,0.1));
  color: var(--fc-danger, #EF4444);
  border-radius: 16px;
  font-size: 0.75rem;
  font-weight: 500;
}

.brain-ui-chat {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.brain-ui-message {
  max-width: 85%;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  font-size: 0.85rem;
  line-height: 1.5;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.brain-ui-message-user {
  align-self: flex-end;
  background: var(--fc-primary, #3B82F6);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.brain-ui-message-bot {
  align-self: flex-start;
  background: var(--fc-card, #172033);
  border: 1px solid var(--fc-border, #1F2937);
  color: var(--fc-text-secondary, #94A3B8);
  border-bottom-left-radius: 4px;
}

.brain-ui-message-denied {
  align-self: flex-start;
  background: var(--fc-danger-subtle, rgba(239,68,68,0.1));
  border: 1px solid var(--fc-danger, #EF4444);
  color: var(--fc-text, #F1F5F9);
  border-bottom-left-radius: 4px;
}

.brain-ui-answer-title {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
  color: var(--fc-text, #F1F5F9);
}

.brain-ui-answer-text {
  margin: 0;
}

.brain-ui-explain {
  margin-top: 0.75rem;
  border-top: 1px solid var(--fc-border, #1F2937);
  padding-top: 0.5rem;
}

.brain-ui-explain-toggle {
  font-size: 0.7rem;
  color: var(--fc-text-muted, #64748B);
  cursor: pointer;
}

.brain-ui-explain-content {
  padding-top: 0.5rem;
}

.brain-ui-explain-row {
  display: flex;
  justify-content: space-between;
  padding: 0.2rem 0;
  font-size: 0.75rem;
}

.brain-ui-explain-label {
  color: var(--fc-text-dim, #475569);
}

.brain-ui-explain-value {
  color: var(--fc-text-secondary, #94A3B8);
  font-weight: 500;
}

.brain-ui-confidence-high { color: var(--fc-success, #10B981); }
.brain-ui-confidence-medium { color: var(--fc-warning, #F59E0B); }
.brain-ui-confidence-low { color: var(--fc-danger, #EF4444); }

.brain-ui-audit-ref {
  margin-top: 0.5rem;
  font-size: 0.65rem;
  color: var(--fc-text-dim, #475569);
}

.brain-ui-audit-id {
  font-family: monospace;
  background: var(--fc-bg, #0B1220);
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
}

.brain-ui-denial {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.brain-ui-denial-icon {
  font-size: 1.25rem;
}

.brain-ui-denial-text {
  font-weight: 500;
  color: var(--fc-danger, #EF4444);
}

.brain-ui-denial-source {
  font-size: 0.7rem;
  color: var(--fc-text-dim, #475569);
}

.brain-ui-input {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--fc-border, #1F2937);
}

.brain-ui-input-field {
  flex: 1;
  padding: 0.75rem 1rem;
  background: var(--fc-card, #172033);
  border: 1px solid var(--fc-border, #1F2937);
  border-radius: 8px;
  color: var(--fc-text, #F1F5F9);
  font-size: 0.85rem;
  overflow-wrap: anywhere;
}

.brain-ui-input-field:focus {
  outline: none;
  border-color: var(--fc-primary, #3B82F6);
  box-shadow: 0 0 0 3px var(--fc-primary-subtle, rgba(59,130,246,0.1));
}

.brain-ui-send-btn {
  padding: 0.75rem 1.25rem;
  background: var(--fc-primary, #3B82F6);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.brain-ui-send-btn:hover {
  background: var(--fc-primary-hover, #2563EB);
}

.brain-ui-send-btn:focus-visible {
  outline: 2px solid var(--fc-primary, #3B82F6);
  outline-offset: 2px;
}

.brain-ui-error {
  padding: 2rem;
  text-align: center;
  color: var(--fc-danger, #EF4444);
}

/* Responsive */
@media (max-width: 768px) {
  .brain-ui-message { max-width: 90%; }
  .brain-ui-cap-list, .brain-ui-restrict-list { flex-direction: column; }
  .brain-ui-input-field { font-size: 16px; /* Prevent iOS zoom */ }
}