/* =========================================================
   Agent Panel — research enrichment streaming UI
   Uses theme variables only. No hardcoded colours.
   ========================================================= */

/* ----- Panel shell ----- */
.agent-panel {
  margin-top: 1.5rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ----- Button row (enrich/re-enrich + settings gear) ----- */
.agent-panel-btn-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
}

.agent-enrich-btn {
  align-self: flex-start;
  padding: 0.4rem 1rem;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.agent-enrich-btn:hover:not(:disabled) {
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
}

.agent-enrich-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.agent-cancel-btn {
  align-self: flex-start;
  padding: 0.3rem 0.8rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
}

.agent-cancel-btn:hover {
  color: var(--text-primary);
  border-color: var(--text-muted);
}

/* ----- Settings gear button ----- */
.agent-settings-btn {
  padding: 0.3rem 0.45rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  line-height: 1;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.agent-settings-btn:hover {
  color: var(--text-secondary);
  border-color: var(--text-muted);
  background: var(--bg-elevated);
}

/* ----- Settings popover ----- */
.agent-settings-popover {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  z-index: 120;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 220px;
}

.agent-settings-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.agent-settings-row span {
  min-width: 90px;
  color: var(--text-muted);
}

.agent-settings-row input {
  flex: 1;
  padding: 0.25rem 0.4rem;
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  transition: border-color var(--transition);
}

.agent-settings-row input:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
}

/* ----- Stream container ----- */
.agent-panel-stream {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

/* ----- Status pill ----- */
.agent-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.65rem;
  border-radius: 1rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--bg-elevated);
  color: var(--text-muted);
  border: 1px solid var(--border);
  align-self: flex-start;
  transition: background var(--transition), color var(--transition);
}

.agent-status-pill[data-status="thinking"] {
  color: color-mix(in srgb, var(--accent) 80%, var(--text-primary));
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, var(--bg-elevated));
}

.agent-status-pill[data-status="calling_tool"] {
  color: var(--text-secondary);
  border-color: var(--border);
}

.agent-status-pill[data-status="done"] {
  color: var(--text-muted);
}

.agent-status-pill[data-status="failed"],
.agent-status-pill[data-status="cancelled"] {
  color: color-mix(in srgb, #c04040 60%, var(--text-muted));
  border-color: color-mix(in srgb, #c04040 30%, transparent);
  background: color-mix(in srgb, #c04040 8%, var(--bg-elevated));
}

/* ----- Base card ----- */
.agent-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  line-height: 1.5;
  box-shadow: var(--shadow-sm);
}

/* ----- Source card ----- */
.agent-source-title {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.agent-source-kind {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.agent-source-excerpt {
  color: var(--text-secondary);
  font-size: 0.82rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.agent-source-url {
  color: var(--accent);
  font-size: 0.78rem;
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-source-url:hover {
  text-decoration: underline;
}

.agent-source-save {
  margin-top: 0.25rem;
  align-self: flex-start;
}

/* ----- Citation card ----- */
.agent-citation {
  border-left: 2px solid color-mix(in srgb, var(--accent) 50%, transparent);
  padding-left: 0.85rem;
}

.agent-citation-claim {
  color: var(--text-primary);
}

.agent-citation-ref {
  color: var(--accent);
  font-size: 0.78rem;
  text-decoration: none;
}

.agent-citation-ref:hover {
  text-decoration: underline;
}

/* ----- Related-item card ----- */
.agent-related-title {
  color: var(--text-primary);
  font-weight: 600;
  text-decoration: none;
}

.agent-related-title:hover {
  color: var(--accent);
}

.agent-related-kind {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.agent-related-excerpt {
  color: var(--text-secondary);
  font-size: 0.82rem;
}

/* ----- Related-author card ----- */
.agent-related-alias {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.agent-related-alias:hover {
  text-decoration: underline;
}

.agent-related-reason {
  color: var(--text-secondary);
  font-size: 0.82rem;
}

/* ----- Annotation card ----- */
.agent-annotation {
  border-left: 2px solid var(--border);
}

.agent-annotation-note {
  color: var(--text-primary);
}

.agent-annotation-src-tag {
  font-size: 0.72rem;
  color: var(--text-muted);
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  padding: 0.1rem 0.4rem;
  align-self: flex-start;
}

/* ----- Final summary card ----- */
.agent-final {
  background: color-mix(in srgb, var(--accent) 7%, var(--bg-surface));
  border-color: color-mix(in srgb, var(--accent) 28%, transparent);
}

.agent-final-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  font-weight: 600;
}

.agent-final-text {
  color: var(--text-primary);
  font-family: var(--font-serif);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ----- Research-paper badge (item row) ----- */
.research-paper-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  font-family: var(--font-sans);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  margin-left: 0.4rem;
  vertical-align: middle;
}