/* Project overviews: shared layout and progressively enhanced demonstrations. */
/* Async workbench states can blur/re-enable focused buttons. Keep viewport
   scrolling immediate so a retry does not move between pointer down and up. */
html { scroll-behavior: auto; }
.project-main {
  padding-inline: min(1.5rem, 24px);
  padding-bottom: 2rem;
}
.project-main .crumb {
  line-height: 1.6;
}
.project-head {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(240px, 1fr);
  gap: 3rem;
  align-items: center;
  padding: 2rem 0 3rem;
}
.project-head h1 {
  font-size: clamp(2.1rem, 4.8vw, 3.9rem);
  overflow-wrap: anywhere;
}
.project-head .lede {
  margin-bottom: 1.4rem;
}
.project-head .eyebrow {
  margin-bottom: 1.4rem;
  line-height: 1.55;
}
.project-head .eyebrow::before {
  flex-shrink: 0;
}
.project-head .demo-link {
  display: inline-block;
  margin-top: 1.25rem;
  padding: .3rem 0;
  color: var(--accent);
  font-size: .88rem;
  line-height: 1.5;
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: .3em;
}
.project-head .demo-link:hover {
  color: var(--ink);
  text-decoration-color: currentColor;
}
.project-art {
  margin: 0;
  position: relative;
}
.project-art svg {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
}
.project-art figcaption {
  font: 0.69rem/1.6 var(--mono);
  color: var(--ink-3);
  margin-top: 0.65rem;
  letter-spacing: 0.04em;
}
.project-art text {
  font-family: var(--mono);
}
.project-body {
  display: grid;
  grid-template-columns: 175px minmax(0, 1fr);
  gap: 3rem;
  padding-top: 2.7rem;
  border-top: 1px solid var(--line);
}
.project-index {
  align-self: start;
  position: sticky;
  top: calc(var(--nav-height, 60px) + 30px);
}
.project-index p {
  font: 0.68rem var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ink-3);
}
.project-index a {
  display: block;
  color: var(--ink-2);
  font-size: 0.85rem;
  padding: 0.5rem 0;
}
.project-index a:hover {
  color: var(--accent);
}
.project-content {
  min-width: 0;
}
.project-content section {
  /* Adds to the root padding, which follows the measured navigation height. */
  scroll-margin-top: 10px;
  margin-bottom: 4rem;
}
.project-content h2 {
  font-size: clamp(1.6rem, 3vw, 2.05rem);
  margin-bottom: 1rem;
}
.project-content h3 {
  margin-top: 1.8rem;
}
.project-content > section > p {
  max-width: 70ch;
}
.project-content strong {
  color: var(--ink);
  font-weight: 600;
}
.project-features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 1.7rem 0;
}
.project-feature {
  border-top: 1px solid var(--line-strong);
  padding-top: 1rem;
}
.project-feature .feature-n {
  font: 0.68rem var(--mono);
  color: var(--accent);
}
.project-feature h3 {
  margin: 0.7rem 0 0.5rem;
  font-size: 1rem;
}
.project-feature p {
  font-size: 0.86rem;
  margin: 0;
  color: var(--ink-2);
}
.code-block {
  margin: 1.4rem 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #070a12;
  overflow: hidden;
}
.code-label {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  min-height: 42px;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--line);
  font: 0.71rem var(--mono);
  color: var(--ink-3);
  gap: 1rem;
}
.code-block pre {
  margin: 0;
  border: 0;
  border-radius: 0;
  padding: 1.1rem;
}
.copy-button {
  max-width: 100%;
  overflow-wrap: anywhere;
  background: rgba(255, 255, 255, .04);
  color: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: .35rem .65rem;
  cursor: pointer;
  font: 600 .72rem var(--mono);
  min-height: 30px;
}
.copy-button:hover { color: var(--ink); border-color: var(--accent); }
.code-note,
.demo-note {
  color: var(--ink-3);
  font-size: 0.8rem;
  line-height: 1.65;
}
.code-note a,
.demo-note a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  margin: 1.4rem 0;
}
.table-scroll table {
  margin: 0;
  min-width: 420px;
}
.table-scroll tr:last-child td {
  border-bottom: 0;
}
.table-scroll th {
  background: rgba(124, 196, 255, 0.035);
}
.table-scroll td {
  font-size: 0.86rem;
}
.demo-panel {
  padding: 1.35rem;
  margin: 1.5rem 0 1rem;
}
.demo-topline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.demo-label {
  font: 0.68rem/1.5 var(--mono);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.demo-badge {
  font: 0.65rem var(--mono);
  color: var(--ok);
  border: 1px solid rgba(139, 227, 176, 0.25);
  border-radius: 99px;
  padding: 0.35rem 0.6rem;
  white-space: normal;
  max-width: 100%;
  overflow-wrap: anywhere;
}
.demo-panel canvas,
.demo-panel > svg {
  width: 100%;
  border-radius: 8px;
  background: #1a1b26;
}
.demo-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem 1.5rem;
  margin: 1.2rem 0;
}
.demo-controls label {
  min-width: 0;
  max-width: 100%;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.82rem;
  flex-wrap: wrap;
}
.demo-controls input[type="range"] {
  width: 130px;
  accent-color: var(--accent);
}
.demo-controls output {
  font: 0.78rem var(--mono);
  min-width: 4ch;
  color: var(--accent);
}
.demo-button {
  font: 500 0.8rem var(--sans);
  color: var(--ink);
  background: var(--bg-2);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  min-height: 42px;
  padding: 0.5rem 0.8rem;
  cursor: pointer;
}
.demo-button:hover,
.demo-button[aria-pressed="true"] {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(124, 196, 255, 0.08);
}
.demo-button:disabled {
  opacity: 0.55;
  cursor: wait;
}
.demo-status {
  font: 0.78rem/1.65 var(--mono);
  color: var(--ink-2);
  min-height: 1.7em;
  overflow-wrap: anywhere;
}
.demo-status.error {
  color: #ffb0ad;
}
.demo-empty {
  padding: 2.5rem 1.5rem;
  border: 1px dashed var(--line-strong);
  border-radius: 10px;
  text-align: center;
  background: rgba(124, 196, 255, 0.025);
}
.demo-empty span {
  display: block;
  color: var(--ink);
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}
.demo-empty p {
  color: var(--ink-3);
  font-size: 0.85rem;
  margin: 0;
}
.demo-panel input[type="file"] {
  max-width: 100%;
  font-size: 0.8rem;
  color: var(--ink-2);
}
.demo-panel input[type="file"]::file-selector-button {
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  padding: 0.65rem 0.85rem;
  background: var(--bg-2);
  color: var(--ink);
  margin-right: 0.7rem;
  cursor: pointer;
}
.fits-result {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.2rem;
  margin-top: 1.3rem;
}
.fits-result canvas {
  aspect-ratio: 1;
  object-fit: contain;
  background: #1a1b26;
  image-rendering: pixelated;
}
.fits-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 0;
  align-content: start;
}
.fits-stats div {
  border-top: 1px solid var(--line);
  padding-top: 0.7rem;
  min-width: 0;
}
.fits-stats dt {
  font: 0.64rem var(--mono);
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.fits-stats dd {
  color: var(--ink);
  margin: 0.3rem 0 0;
  font: 0.9rem var(--mono);
  overflow-wrap: anywhere;
}
.fits-header {
  max-height: 350px;
  overflow: auto;
}
.fits-header th {
  position: sticky;
  top: 0;
  background: var(--panel-solid);
}
.fits-header td:first-child {
  color: var(--accent);
  font-family: var(--mono);
}
.fits-header td {
  overflow-wrap: anywhere;
}
.demo-panel details {
  margin-top: 1rem;
}
.demo-panel summary {
  color: var(--accent);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0.5rem 0;
}
.related-project {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  border: 1px solid var(--line);
  padding: clamp(16px, 4vw, 22.4px);
  border-radius: 12px;
  color: var(--ink);
  background: linear-gradient(115deg, rgba(124, 196, 255, 0.06), transparent);
}
.related-project > div {
  flex: 1 1 12rem;
  min-width: 0;
}
.related-project:hover {
  text-decoration: none;
  border-color: var(--accent);
}
.related-project small {
  display: block;
  color: var(--ink-3);
  font: 0.68rem var(--mono);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.related-project strong {
  font: 1rem var(--mono);
}
.related-project p {
  color: var(--ink-2);
  font-size: 0.88rem;
  margin: 0.4rem 0 0;
}
.related-arrow {
  font-size: 1.5rem;
  color: var(--accent);
}
.plot-display {
  background: #1a1b26;
  border-radius: 8px;
  overflow: hidden;
  margin: 0;
}
.plot-display picture {
  display: block;
}
.plot-display img {
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: contain;
}
@media (max-width: 640px) {
  .plot-display img {
    aspect-ratio: 16 / 15;
  }
}
.plot-display figcaption {
  padding: 0.7rem 1rem;
  font-size: 0.77rem;
  color: #c0caf5;
  border-top: 1px solid #565f89;
}
.process-list {
  list-style: none;
  padding: 0;
  counter-reset: process;
  margin: 1.5rem 0;
}
.process-list li {
  position: relative;
  counter-increment: process;
  padding: 0 0 1.4rem 2.7rem;
  margin: 0;
  border-left: 1px solid var(--line);
  margin-left: 0.8rem;
}
.process-list li:last-child {
  border: 0;
  padding-bottom: 0;
}
.process-list li::before {
  content: "0" counter(process);
  position: absolute;
  left: -0.8rem;
  top: 0;
  font: 0.75rem var(--mono);
  color: var(--accent);
  padding: 0.15rem 0;
  background: var(--bg);
}
.process-list p {
  font-size: 0.88rem;
  margin: 0.25rem 0 0;
}
.cache-stages {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
  margin: 1.6rem 0;
  list-style: none;
  padding: 0;
}
.cache-stages li {
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 1rem;
  background: var(--bg-2);
  margin: 0;
}
.cache-stages b {
  display: block;
  color: var(--ink);
  font-size: 0.85rem;
  margin-bottom: 0.4rem;
}
.cache-stages span {
  font: 0.7rem/1.5 var(--mono);
  color: var(--ink-3);
}
.cache-stages .hit {
  border-color: var(--ok);
  background: rgba(139, 227, 176, 0.07);
}
.cache-stages .hit span {
  color: var(--ok);
}
.cache-stages .miss {
  border-color: var(--accent-2);
}
.cache-stages .miss span {
  color: var(--accent-2);
}
.cache-stages .blocked {
  border-color: #ffb0ad;
}
.cache-stages .blocked span {
  color: #ffb0ad;
}
[hidden] {
  display: none !important;
}
@media (max-width: 900px) {
  .project-head {
    gap: 2rem;
    grid-template-columns: minmax(0, 1.35fr) minmax(220px, 1fr);
  }
  .project-body {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-top: 1.5rem;
  }
  .project-index {
    position: static;
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 0.3rem 1.3rem;
    border-bottom: 1px solid var(--line);
    padding-bottom: 1rem;
  }
  .project-index a { white-space: nowrap; }
  .project-index p {
    display: none;
  }
}
@media (max-width: 640px) {
  .project-head {
    grid-template-columns: 1fr;
    padding-top: 1rem;
    gap: 2rem;
  }
  .project-art {
    max-width: 400px;
    width: 100%;
  }
  .project-art svg {
    max-height: 230px;
  }
  .project-features {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  .project-feature {
    display: grid;
    grid-template-columns: 2rem 1fr;
    column-gap: 0.3rem;
  }
  .project-feature .feature-n {
    grid-row: span 2;
    padding-top: 0.25rem;
  }
  .project-feature h3 {
    margin-top: 0;
  }
  .project-feature p {
    grid-column: 2;
  }
  .demo-panel {
    padding: min(1rem, 16px);
  }
  .demo-topline {
    align-items: flex-start;
  }
  .demo-badge {
    font-size: 0.58rem;
  }
  .fits-result {
    grid-template-columns: 1fr;
  }
  .cache-stages {
    grid-template-columns: minmax(0, 1fr);
  }
  .cache-stages li {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: min(0.75rem, 12px);
  }
  .cache-stages li > * { min-width: 0; }
  .cache-stages b {
    margin: 0;
  }
  .project-content section {
    margin-bottom: 3rem;
  }
}

/* Real project output in the page headers. Fallback art remains if scripts fail. */
.project-sky-art {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  background: var(--bg);
}
.project-sky-art svg {
  border: 0;
  border-radius: 0;
}
.project-sky-art canvas {
  display: block;
  max-width: 100%;
}
.project-plot-mosaic {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}
.project-plot-mosaic img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
}
.project-plot-mosaic img:first-child {
  grid-column: 1 / -1;
}
@media (max-width: 640px) {
  .project-sky-art svg {
    max-height: none;
  }
  .project-plot-mosaic {
    max-width: 360px;
  }
}
.copy-feedback {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 640px) {
  .code-block pre { white-space: pre-wrap; overflow-wrap: anywhere; }
  .table-scroll table { min-width: 100%; }
  .table-scroll td:first-child { white-space: nowrap; }
}

/* Numeric inspection complements the visual, all-sky catalog map. */
.catalog-inspector { margin-top: 1rem; border-top: 1px solid var(--line); padding-top: 1rem; }
.catalog-picker, .catalog-step { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
.catalog-picker { justify-content: space-between; gap: 1rem; margin: .8rem 0 1.25rem; }
.catalog-picker label { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; min-width: 0; max-width: 100%; font-size: .85rem; }
.catalog-picker select { max-width: 100%; min-width: 0; font: inherit; color: var(--ink); background: var(--bg-2); border: 1px solid var(--line-strong); border-radius: 8px; padding: .6rem; }
.catalog-values { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .8rem; margin: .8rem 0; }
.catalog-values dt { color: var(--ink-2); font: .68rem/1.5 var(--mono); }
.catalog-values dd { margin: .3rem 0 0; color: var(--accent); font: .9rem/1.5 var(--mono); overflow-wrap: anywhere; }
#catalog-canvas { cursor: crosshair; }
@media (max-width: 640px) { .catalog-values { grid-template-columns: repeat(2, minmax(0, 1fr)); } }