/* Project evidence, keyboard hints and the public build ledger. */

.project-workbench {
  --active-project-accent: var(--accent);
  border-top-color: var(--active-project-accent);
  transition: border-color 160ms ease;
}

.project-index-item {
  --item-accent: var(--accent);
}

.project-index-item[aria-current="true"] {
  box-shadow: inset 4px 0 0 var(--item-accent);
}

.project-index-item[aria-current="true"] .project-index-number,
.project-index-item[aria-current="true"] .project-index-status {
  color: var(--item-accent);
}

.project-index-item[aria-current="true"] .project-index-status {
  border-color: var(--item-accent);
}

.project-stage-panel:not([hidden]) .project-stage-media img {
  box-shadow: 10px 10px 0 color-mix(in srgb, var(--project-accent) 13%, transparent);
}

.project-key-hint {
  margin: -0.9rem 0 1.2rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  max-width: none;
}

.project-key-hint kbd {
  padding: 0.08rem 0.3rem;
  border: 1px solid var(--line);
  background: var(--paper-deep);
  font: inherit;
}

.decision-trace {
  margin: 0.25rem 0 1.15rem;
  padding: 0.9rem 0 0;
  border-top: 2px solid var(--project-accent);
}

.decision-trace-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  margin-bottom: 0.75rem;
}

.decision-trace-heading .eyebrow {
  margin: 0;
  color: var(--project-accent);
}

.decision-trace-heading > p:last-child {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.02em;
  max-width: none;
}

.decision-trace-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: trace;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.decision-trace-list li {
  position: relative;
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.55rem;
  min-width: 0;
  padding: 0.85rem 0.75rem 0.85rem 0;
}

.decision-trace-list li + li {
  padding-left: 0.75rem;
  border-left: 1px solid var(--line);
}

.decision-trace-list li + li::before {
  content: "→";
  position: absolute;
  top: 50%;
  left: 0;
  z-index: 1;
  width: 1.35rem;
  color: var(--project-accent);
  background: var(--paper);
  font-family: var(--mono);
  font-size: 0.8rem;
  text-align: center;
  transform: translate(-50%, -50%);
}

html[data-theme="dark"] .decision-trace-list li + li::before {
  background: var(--paper);
}

.decision-trace-marker {
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  color: var(--project-accent);
  border: 1px solid var(--project-accent);
  font-family: var(--mono);
  font-size: 0.66rem;
}

.decision-trace-list strong {
  display: block;
  margin-bottom: 0.28rem;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.035em;
}

.decision-trace-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.42;
}

.build-ledger {
  margin-top: clamp(2rem, 5vw, 3.5rem);
  padding-top: 1.25rem;
  border-top: 2px solid var(--line-strong);
}

.build-ledger-heading {
  display: grid;
  gap: 0.65rem 2.5rem;
  align-items: end;
  margin-bottom: 1rem;
}

.build-ledger-heading h3 {
  font-size: clamp(1.35rem, 2.5vw, 1.8rem);
}

.build-ledger-heading p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.build-ledger-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--line);
}

.build-ledger-item {
  display: grid;
  grid-template-columns: minmax(9rem, 0.42fr) minmax(0, 1.58fr) auto;
  gap: 0.7rem 1.2rem;
  align-items: baseline;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
}

.build-ledger-repo,
.build-ledger-time {
  font-family: var(--mono);
  font-size: 0.72rem;
}

.build-ledger-repo {
  color: var(--accent-ink);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.build-ledger-message {
  margin: 0;
  color: var(--ink);
  font-size: 0.96rem;
  line-height: 1.4;
}

.build-ledger-message a,
.build-ledger-repo a {
  text-decoration: none;
}

.build-ledger-message a:hover,
.build-ledger-repo a:hover {
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

.build-ledger-time {
  color: var(--muted);
  white-space: nowrap;
}

.build-ledger-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  padding-top: 0.8rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.build-ledger-footer p {
  margin: 0;
}

@media (min-width: 760px) {
  .build-ledger-heading {
    grid-template-columns: minmax(0, 0.8fr) minmax(18rem, 1.2fr);
  }
}

@media (max-width: 980px) {
  .decision-trace-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .decision-trace-list li:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .decision-trace-list li:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .decision-trace-list li:nth-child(3)::before {
    content: "↓";
    top: 0;
    left: 50%;
  }
}

@media (max-width: 859px) {
  .project-index-item[aria-current="true"] {
    box-shadow: inset 0 -4px 0 var(--item-accent);
  }
}

@media (max-width: 680px) {
  .project-key-hint {
    display: none;
  }

  .decision-trace-heading > p:last-child {
    display: none;
  }

  .decision-trace-list {
    grid-template-columns: 1fr;
  }

  .decision-trace-list li,
  .decision-trace-list li + li,
  .decision-trace-list li:nth-child(3),
  .decision-trace-list li:nth-child(4) {
    padding: 0.72rem 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .decision-trace-list li:first-child {
    border-top: 0;
  }

  .decision-trace-list li + li::before,
  .decision-trace-list li:nth-child(3)::before {
    content: "↓";
    top: 0;
    left: 0.88rem;
    transform: translate(-50%, -50%);
  }

  .build-ledger-item {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .build-ledger-message {
    grid-column: 1 / -1;
  }
}

html[data-motion="reduced"] .project-workbench,
html[data-motion="reduced"] .project-stage-media img {
  transition: none;
}

@media (prefers-reduced-motion: reduce) {
  .project-workbench,
  .project-stage-media img {
    transition: none;
  }
}