/* SPECULUM / investigation pass v4
 *
 * Interaction and evidence hierarchy layered on top of the clarity and layout
 * passes. No topology or cadence values live in CSS.
 */

.field-bar {
  min-height: 86px;
  align-items: flex-start;
  padding: 12px 16px;
  flex-wrap: wrap;
}

.field-bar-copy {
  display: grid;
  gap: 4px;
  min-width: 250px;
}

.field-bar-copy p { margin: 0; }

.field-keys {
  display: flex;
  justify-content: flex-end;
  gap: 10px 22px;
  flex: 1;
  flex-wrap: wrap;
}

.evidence-key,
.node-key {
  display: flex;
  align-items: center;
  gap: 8px 12px;
  flex-wrap: wrap;
}

.key-title {
  color: var(--text);
  font-weight: 500;
}

.key-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-faint);
  white-space: nowrap;
}

.evidence-mark {
  width: 7px;
  height: 7px;
  display: inline-block;
  border-radius: 50%;
}

.evidence-mark.is-verified { background: var(--ok); }
.evidence-mark.is-assumed { border: 1px solid var(--accent); }
.evidence-mark.is-na {
  width: 8px;
  height: 1px;
  border-radius: 0;
  background: var(--text-faint);
}

.node-mark {
  width: 8px;
  height: 8px;
  display: inline-block;
  background: var(--text-dim);
}

.node-mark.is-product {
  width: 12px;
  height: 12px;
  background: transparent;
  border: 1px solid var(--accent);
  box-shadow: inset 0 0 0 3px var(--bg-1);
}

.node-mark.is-observer {
  background: var(--text-dim);
  outline: 1px solid rgba(245, 166, 35, 0.7);
  outline-offset: 2px;
}

.node-mark.is-machine {
  width: 14px;
  height: 7px;
  background: transparent;
  border: 1px solid var(--text-dim);
}

.node-mark.is-external {
  background: transparent;
  border: 1px solid var(--text-faint);
}

.rail {
  grid-template-rows: auto minmax(300px, 0.95fr) minmax(380px, 1.05fr);
}

.controls {
  display: grid;
  grid-template-columns: 1fr;
}

.playback-btns button:last-child { min-width: 116px; }

.detail {
  padding: 18px;
}

.dossier-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 10px;
}

.dossier-head h3 { margin: 0; }

.dossier-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.dossier-badge {
  border: 1px solid var(--border-hi);
  padding: 3px 6px;
  color: var(--text-faint);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.dossier-badge.is-pinned,
.dossier-badge.is-trace {
  color: var(--accent);
  border-color: rgba(245, 166, 35, 0.45);
  background: var(--accent-dim);
}

.dossier-grid {
  display: grid;
  gap: 0;
  margin: 14px 0;
  border-top: 1px solid var(--border);
}

.dossier-row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.dossier-term {
  color: var(--text-faint);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.dossier-value {
  min-width: 0;
  color: var(--text-dim);
  font-size: 11px;
  overflow-wrap: anywhere;
}

.dossier-value.is-verified { color: var(--ok); }
.dossier-value.is-assumed { color: var(--accent); }

.dossier-source {
  display: block;
  margin-top: 3px;
  color: var(--text-faint);
  font-size: 9.5px;
  line-height: 1.45;
}

.dossier-actions {
  display: flex;
  gap: 8px;
  margin: 12px 0 4px;
}

.dossier-actions button,
.relation-button,
.ledger-pause {
  font: 400 10.5px/1.2 var(--mono);
  color: var(--text-dim);
  background: transparent;
  border: 1px solid var(--border-hi);
  padding: 6px 8px;
  cursor: pointer;
}

.dossier-actions button:hover,
.relation-button:hover,
.ledger-pause:hover {
  color: var(--text);
  border-color: var(--accent);
}

.relation-group { margin-top: 13px; }

.relation-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.relation-button {
  max-width: 100%;
  overflow-wrap: anywhere;
  text-align: left;
}

.trace-progress {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 5px;
  margin: 14px 0;
}

.trace-progress span {
  height: 3px;
  background: var(--border-hi);
}

.trace-progress span.is-complete { background: var(--accent); }
.trace-progress span.is-current { background: var(--ok); }

.trace-step {
  margin: 0 0 8px;
  color: var(--accent);
  font: 400 17px/1.25 var(--serif);
}

.trace-copy { margin: 0; color: var(--text-dim); }

.ledger-wrap {
  padding-top: 12px;
}

.ledger-heading {
  flex: none;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.ledger-heading .label { margin-bottom: 9px; }

.ledger-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.btns.compact { gap: 5px; }
.btns.compact button { min-height: 27px; padding: 6px 8px; }

.ledger-pause {
  min-height: 27px;
  white-space: nowrap;
}

.ledger-pause[aria-pressed="true"] {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}

.ledger-context {
  margin: 8px 0 0;
  color: var(--text-faint);
  font-size: 9.5px;
  line-height: 1.45;
}

.ledger {
  padding-top: 2px;
}

.ledger li {
  grid-template-columns: 62px minmax(0, 1fr) auto;
  min-height: 31px;
}

.ledger .spc-count-badge {
  align-self: center;
  color: var(--accent);
  border: 1px solid rgba(245, 166, 35, 0.25);
  padding: 2px 5px;
  font-size: 9px;
  white-space: nowrap;
}

.ledger-empty {
  display: block !important;
  padding: 16px 0 !important;
  color: var(--text-faint) !important;
  border: 0 !important;
}

.ledger li.is-newest {
  background: linear-gradient(90deg, rgba(245, 166, 35, 0.07), transparent 70%);
  animation: spc-ledger-arrive 900ms ease-out both;
}

@keyframes spc-ledger-arrive {
  from { background-color: rgba(245, 166, 35, 0.14); }
  to { background-color: transparent; }
}

@media (max-width: 1279px) and (min-width: 901px) {
  .field-keys { justify-content: flex-start; }
  .rail { grid-template-rows: auto minmax(280px, 0.95fr) minmax(350px, 1.05fr); }
}

@media (max-width: 900px) {
  .field-bar { min-height: 0; }
  .field-keys { justify-content: flex-start; }
  .rail { grid-template-rows: auto minmax(280px, auto) minmax(380px, 480px); }
  .detail { max-height: 520px; }
}

@media (max-width: 560px) {
  .field-keys,
  .evidence-key,
  .node-key { align-items: flex-start; }
  .evidence-key,
  .node-key { width: 100%; }
  .dossier-row { grid-template-columns: 78px minmax(0, 1fr); }
  .ledger-toolbar { align-items: stretch; flex-direction: column; }
  .ledger-pause { align-self: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  .ledger li.is-newest { animation: none; }
}