/* agent-trace.css — Live reasoning trace styles (#872 + #873).
 *
 * Uses project CSS tokens (--bg-subtle, --text-tertiary, --border,
 * --accent-subtle) per project memory. No hardcoded hex fallbacks
 * (those break dark mode — also per project memory).
 */

.agent-trace {
  margin: 4px 0 8px 0;
  font-size: 12px;
  font-family: var(--font-mono, ui-monospace, SFMono-Regular, monospace);
}

.agent-trace-summary {
  background: none;
  border: none;
  padding: 4px 0;
  color: var(--text-tertiary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  user-select: none;
  font: inherit;
}
.agent-trace-summary:hover { color: inherit; }
.agent-trace-summary:focus-visible {
  outline: 2px solid var(--accent-subtle);
  outline-offset: 2px;
}

.agent-trace-chevron {
  display: inline-block;
  width: 10px;
  text-align: center;
}

.agent-trace-spinner {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1.5px solid var(--text-tertiary);
  border-top-color: transparent;
  animation: agent-trace-spin .6s linear infinite;
  flex-shrink: 0;
}

@keyframes agent-trace-spin {
  to { transform: rotate(360deg); }
}

.agent-trace-elapsed { color: var(--text-tertiary); }
.agent-trace-dot { color: var(--text-tertiary); opacity: 0.6; }
.agent-trace-tools { color: var(--text-tertiary); }

.agent-trace-chain {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 4px;
}
.agent-trace-arrow { color: var(--text-tertiary); opacity: 0.6; }
.agent-trace-agent { color: var(--text-secondary, var(--text-tertiary)); }

.agent-trace-expanded {
  margin-top: 6px;
  padding: 8px 10px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.agent-trace-plan {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 6px;
  font-style: italic;
}

.agent-trace-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}

.agent-trace-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--bg-active, var(--bg-subtle));
  border: 1px solid var(--border);
  color: var(--text-tertiary);
  font-size: 11px;
  white-space: nowrap;
}
.agent-trace-chip.task-start {
  background: var(--accent-subtle);
  border-color: var(--accent-subtle);
  color: var(--accent, var(--text-secondary, var(--text-tertiary)));
}
.agent-trace-chip.task-result.ok {
  color: var(--success);
  border-color: var(--success);
}
.agent-trace-chip.task-result.fail {
  color: var(--danger);
  border-color: var(--danger);
}

/* #879 — citation chips below the assistant answer. */
.exec-citations {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
  max-width: 720px;
}
.exec-citation-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 4px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text-secondary, var(--text-tertiary));
  font-size: 11px;
  text-decoration: none;
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.exec-citation-chip:hover {
  border-color: var(--accent-subtle);
  color: var(--text-primary, inherit);
}

/* #878 — follow-up suggestion chips below the latest answer. */
.exec-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
  max-width: 720px;
}

/* Starter chips for empty state (#880) — shared across AI surfaces. */
.starter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 16px;
  max-width: 560px;
}
.starter-chip {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 12px;
  color: var(--text-tertiary);
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  transition: border-color 120ms, color 120ms;
}
.starter-chip:hover {
  border-color: var(--accent-subtle);
  color: var(--text-primary, inherit);
}
.starter-chip:focus-visible {
  outline: 2px solid var(--accent-subtle);
  outline-offset: 2px;
}