/*
 * Decision Trace — drawer lateral fixo (right) que lista decisões internas do
 * worker em ordem cronológica reversa. Cada item tem border-left colorida por
 * kind pra leitura rápida.
 */

.decision-trace {
  position: fixed;
  top: 80px;
  right: var(--space-md);
  width: 320px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  z-index: 50;
  font-size: 0.85rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.32);
}

@media (max-width: 1280px) {
  /* Em telas menores, vira bloco no flow normal pra não tampar conteúdo. */
  .decision-trace {
    position: static;
    width: auto;
    max-height: none;
    margin-bottom: var(--space-md);
  }
}

.decision-trace__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.decision-trace__head h3 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
}

.decision-trace__count {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.decision-trace__empty {
  color: var(--color-text-faded);
  font-style: italic;
  margin: 0;
}

.decision-trace__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.decision-trace__item {
  padding: var(--space-sm);
  background: var(--color-bg-elevated);
  border-left: 3px solid var(--color-text-faded);
  border-radius: var(--radius-sm);
}

.decision-trace__head-row {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.decision-trace__kind {
  font-weight: 600;
  color: var(--color-text);
  font-size: 0.78rem;
}

.decision-trace__round {
  font-family: var(--font-mono);
  color: var(--color-text-faded);
  font-size: 0.72rem;
  padding: 0 4px;
  border: 1px solid var(--color-border);
  border-radius: 3px;
}

.decision-trace__time {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.decision-trace__chosen {
  font-size: 0.82rem;
  color: var(--color-text);
  margin: 2px 0;
}

.decision-trace__reason {
  margin: 4px 0 0;
  color: var(--color-text-muted);
  font-size: 0.78rem;
  line-height: 1.35;
}

.decision-trace__detail {
  margin-top: var(--space-xs);
  font-size: 0.74rem;
}

.decision-trace__detail summary {
  cursor: pointer;
  color: var(--color-text-faded);
}

.decision-trace__detail pre {
  margin: var(--space-xs) 0 0;
  padding: var(--space-xs);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  overflow-x: auto;
  max-height: 200px;
}

/* Cores por kind */
.decision-trace__item--model_routing       { border-left-color: #22D3EE; }   /* cyan */
.decision-trace__item--tool_phase_change   { border-left-color: #A855F7; }   /* purple */
.decision-trace__item--repair_activated    { border-left-color: #F59E0B; }   /* amber */
.decision-trace__item--finish_rejected     { border-left-color: #FF4757; }   /* red */
.decision-trace__item--cost_ceiling_warning { border-left-color: #F59E0B; }  /* amber */
.decision-trace__item--loop_aborted        { border-left-color: #FF4757; }   /* red */
.decision-trace__item--tool_choice_forced  { border-left-color: #A855F7; }   /* purple */
.decision-trace__item--planner_skipped     { border-left-color: #6B7280; }   /* gray */
.decision-trace__item--reflection_skipped  { border-left-color: #6B7280; }   /* gray */