/* Project notebook pages — layered on /style.css, using its tokens only. */

.proj-meta {
  color: var(--muted);
  font-style: italic;
  margin: 0 0 1.5rem;
}

/* tabs read like the site nav: [overview] [results] … */
.proj-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.9rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--hair);
  font-variant-caps: small-caps;
  letter-spacing: 0.02em;
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  background: var(--bg);
  z-index: 2;
}

.proj-tabs a {
  color: var(--muted);
}

.proj-tabs a:hover,
.proj-tabs a[aria-current="page"] {
  color: var(--accent);
}

.proj-body h2:first-child {
  margin-top: 1.5rem;
}

.proj-body p,
.proj-body li {
  hyphens: auto;
}

.proj-body code {
  font-size: 0.88em;
  background: var(--panel);
  padding: 0.05em 0.3em;
  border-radius: 3px;
}

.proj-body pre {
  background: var(--panel);
  border: 1px solid var(--hair);
  padding: 0.75rem 1rem;
  overflow-x: auto;
  line-height: 1.4;
}

.proj-body pre code {
  background: none;
  padding: 0;
}

.proj-body table {
  display: block;
  overflow-x: auto;
  border-collapse: collapse;
  margin: 1rem 0;
  font-variant-numeric: lining-nums tabular-nums;
}

.proj-body th,
.proj-body td {
  border-bottom: 1px solid var(--hair);
  padding: 0.3rem 0.8rem 0.3rem 0;
  text-align: left;
  vertical-align: top;
}

.proj-body th {
  font-weight: 400;
  font-variant-caps: small-caps;
  color: var(--muted);
}

/* callouts */
.proj-body blockquote {
  margin: 1.25rem 0;
  padding: 0.4rem 1rem;
  border-left: 3px solid var(--accent);
  background: var(--accent-wash);
}

.proj-body blockquote p {
  margin: 0.4rem 0;
}

/* figures sit on a white "print", like the photos elsewhere on the site */
.proj-body figure {
  margin: 1.75rem 0;
}

.proj-body figure img {
  display: block;
  background: var(--print);
  padding: 0.5rem;
  border: 1px solid var(--hair);
}

.proj-body figcaption {
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 0.5rem;
}

.proj-body .katex-display {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.2rem 0;
}

/* dated log entries */
.proj-body h3 {
  font-variant-numeric: lining-nums;
}

/* the gate */
.proj-gate {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem;
  margin: 2rem 0;
}

.proj-gate label {
  color: var(--muted);
  font-variant-caps: small-caps;
}

.proj-gate input {
  font: inherit;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--hair);
  padding: 0.25rem 0.5rem;
  max-width: 100%;
}

.proj-gate button {
  border: none;
  background: none;
  color: var(--accent);
  font-variant-caps: small-caps;
  padding: 0;
}

.proj-gate .small {
  flex-basis: 100%;
}

/* index of projects */
.proj-list {
  list-style: none;
  padding: 0;
}

.proj-list li {
  margin: 0 0 1.25rem;
}

.proj-access {
  width: 0.95em;
  height: 0.95em;
  margin-right: 0.35em;
  vertical-align: -0.1em;
  fill: var(--muted);
}
.proj-list a:hover .proj-access {
  fill: currentColor;
}
.proj-people {
  display: block;
  font-size: 0.9rem;
  font-variant-caps: small-caps;
  letter-spacing: 0.02em;
  color: var(--muted);
}
.proj-list .muted {
  display: block;
  font-style: italic;
}

/* progress beads on the index: one per task.
   filled = done, half = under way, hollow = open. Written by the project-page skill. */
.proj-progress {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.35rem;
}

.proj-progress .beads {
  display: flex;
  flex-wrap: wrap;
  gap: 0.22rem;
}

.proj-progress i {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  border: 1px solid var(--muted);
  box-sizing: border-box;
}

.proj-progress i.done {
  background: var(--accent);
  border-color: var(--accent);
}

.proj-progress i.active {
  border-color: var(--accent-2);
  background: linear-gradient(90deg, var(--accent-2) 50%, transparent 50%);
  animation: proj-bead 2.4s ease-in-out infinite;
}

.proj-progress small {
  color: var(--muted);
  font-variant-caps: small-caps;
  font-variant-numeric: lining-nums tabular-nums;
  font-size: 0.85rem;
}

@keyframes proj-bead {
  50% { transform: scale(1.3); }
}

@media (prefers-reduced-motion: reduce) {
  .proj-progress i.active { animation: none; }
}

/* ----- notebook items: heading + short part here, detail on the stage ---- */

/* the spine is long on these pages, so it scrolls; the stage stays in view */
@media (min-width: 1100px) {
  .page-project.with-stage .spine {
    position: static;
  }
  .page-project .stage-inner {
    position: sticky;
    top: 0;
    max-height: 100vh;
    overflow-y: auto;
    padding-bottom: 2rem;
  }
}

.page-project .proj-people {
  margin: -0.4rem 0 0.2rem;
}

.proj-item {
  margin: 1.4rem 0;
}

.proj-head {
  display: block;
  width: 100%;
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  text-align: left;
  color: var(--ink);
  cursor: pointer;
  font-variant-numeric: lining-nums;
}
div.proj-head { cursor: default; }

button.proj-head:hover,
.proj-item.on-stage > .proj-head,
.proj-item.is-open > .proj-head {
  color: var(--accent);
}

.proj-short > :first-child { margin-top: 0.35rem; }
.proj-short > :last-child { margin-bottom: 0; }
.proj-short figure { margin: 0.6rem 0 0; }

.proj-more {
  background: none;
  border: none;
  padding: 0;
  margin-top: 0.3rem;
  font: inherit;
  font-size: 0.9rem;
  font-variant-caps: small-caps;
  letter-spacing: 0.02em;
  color: var(--muted);
  cursor: pointer;
}
.proj-more:hover,
.proj-item.on-stage > .proj-more { color: var(--accent); }

.proj-detail { margin-top: 0.5rem; }

/* derivations and results: the heading reads as an h3 */
.proj-note > .proj-head,
.proj-fig > .proj-head,
.proj-day > .proj-head,
.proj-ref > .proj-head {
  font-size: var(--fs-1);
}
.proj-fig { margin: 2.2rem 0; }

/* status groups and reference groups: bars, like the research page */
.proj-bar {
  margin: 0;
  border-bottom: 1px solid var(--hair);
}
.proj-bar:first-of-type,
:not(.proj-bar) + .proj-bar { border-top: 1px solid var(--hair); margin-top: 1.4rem; }
.proj-bar > .proj-head {
  position: relative;
  padding: 0.6rem 1.5em 0.6rem 0;
  font-size: 1.15rem;
  font-variant-caps: small-caps;
  letter-spacing: 0.02em;
}
.proj-bar > .proj-head::after {
  content: "▸";
  position: absolute;
  right: 0;
  color: var(--muted);
  transition: transform 0.3s ease, color 0.2s;
}
.proj-bar.on-stage > .proj-head::after,
.proj-bar.is-open > .proj-head::after {
  transform: rotate(90deg);
  color: var(--accent);
}
.proj-bar > .proj-detail { margin: 0 0 1rem; }
.proj-count {
  margin-left: 0.5em;
  font-size: 0.85rem;
  color: var(--muted);
  font-variant-numeric: lining-nums;
}

/* a task opens into its subtasks, downwards, on the stage */
details.proj-sub {
  border-bottom: 1px solid var(--hair);
  padding: 0.45rem 0;
}
details.proj-sub > summary {
  cursor: pointer;
  list-style: none;
  font-variant-numeric: lining-nums;
}
details.proj-sub > summary::-webkit-details-marker { display: none; }
details.proj-sub > summary::before {
  content: "▸";
  display: inline-block;
  width: 1.1em;
  color: var(--muted);
  transition: transform 0.2s ease;
}
details.proj-sub[open] > summary::before { transform: rotate(90deg); }
details.proj-sub > summary:hover { color: var(--accent); }
details.proj-sub > :not(summary) { margin-left: 1.1rem; }

/* status marks, from a trailing "· done" etc. */
.st {
  white-space: nowrap;
  font-size: 0.88em;
  font-variant-caps: small-caps;
}
.st-done { color: var(--accent); }
.st-live { color: var(--accent-2); }
.st-idle,
.st-dead { color: var(--muted); }
.st-dead { text-decoration: line-through; text-decoration-thickness: 1px; }

/* moving figures: a video, or an interactive page in figs/ shown in a frame */
.proj-body figure video,
.stage-body figure video,
.proj-body figure iframe,
.stage-body figure iframe {
  display: block;
  width: 100%;
  border: 1px solid var(--hair);
  background: var(--print);
}
.proj-body figure iframe,
.stage-body figure iframe {
  aspect-ratio: 4 / 3;
}

/* the stage carries the same figure and table look as the spine */
.stage-body figure { margin: 1.25rem 0; }
.stage-body figure img {
  display: block;
  max-width: 100%;
  background: var(--print);
  padding: 0.5rem;
  border: 1px solid var(--hair);
}
.stage-body figcaption {
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 0.5rem;
}
.stage-body table {
  display: block;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.stage-body th,
.stage-body td {
  border-bottom: 1px solid var(--hair);
  padding: 0.3rem 0.8rem 0.3rem 0;
  text-align: left;
  vertical-align: top;
}
.stage-body .katex-display {
  overflow-x: auto;
  overflow-y: hidden;
}
.stage-body code {
  font-size: 0.88em;
  background: var(--panel);
  padding: 0.05em 0.3em;
  border-radius: 3px;
}

/* references */
.ref-usage {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
}
.ref-key { font-size: 0.85rem; color: var(--muted); }

/* the log's timeline: one dot per working day */
.proj-timeline {
  position: relative;
  margin: 1.25rem 0 1.75rem;
  height: 46px;
}
.proj-timeline svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}
.proj-timeline line {
  stroke: var(--hair);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}
.proj-timeline line.tick { stroke: var(--muted); }
.proj-tl-labels span {
  position: absolute;
  top: 28px;
  transform: translateX(-50%);
  font-size: 0.8rem;
  font-variant-caps: small-caps;
  color: var(--muted);
}
.proj-tl-day {
  position: absolute;
  top: 18px;
  transform: translate(-50%, -50%);
  padding: 0;
  border: 1px solid var(--accent);
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.75;
  cursor: pointer;
  transition: transform 0.15s, opacity 0.15s;
}
.proj-tl-day:hover {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.35);
}
.proj-day > .proj-short p {
  color: var(--muted);
  font-size: 0.95rem;
}