/* ==========================================================================
   Night sky figures and teaching text
   Canonical:  .sky-figs > .sky-fig > .sky-art + figcaption
               .sky-targets > .sky-target > .sky-art + .sky-target__body
               .sky-rows > .sky-row (label, then the explanation)
   The SVG inside .sky-art is drawn in currentColor. The Night Sky Manual
   repo holds the files (assets/figures/) and copies them in with
   build/sync_site.py. Edit the SVG there, not the inline markup.
   ========================================================================== */

.sky-art {
  --sc-font: var(--font-family);
  color: var(--color-black);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.sky-art svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: hidden;
}

/* Figures */
.sky-figs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

/* The two Milky Way photos share one height. Column widths follow their aspect ratios. */
.sky-figs--photos {
  grid-template-columns: 3.85fr 1fr;
  align-items: start;
}

.sky-figs--photos img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}

@media (max-width: 720px) {
  .sky-figs--photos {
    grid-template-columns: 1fr;
  }
}

.sky-fig {
  margin: 0;
}

.sky-fig--wide {
  max-width: 760px;
  margin-bottom: var(--space-8);
}

.sky-fig figcaption {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  color: var(--color-gray-500);
}

/* Finder cards: the chart bleeds to the card edge, text below */
.sky-targets {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

@media (max-width: 720px) {
  .sky-targets {
    grid-template-columns: 1fr;
  }
}

.sky-target {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.sky-target .sky-art {
  padding: 0;
  border: 0;
  border-bottom: 1px solid var(--color-gray-200);
  border-radius: 0;
}

.sky-target__body {
  padding: var(--space-4) var(--space-5) var(--space-5);
}

.sky-target h3 {
  margin: 0 0 var(--space-2);
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-black);
}

.sky-target h3 span {
  margin-left: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-500);
}

.sky-target p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-gray-700);
}

/* Notes under a figure. Each point is one full-width row: a label, then the
   explanation. A numbered procedure uses the same row, with the number first. */
.sky-sheet__lead,
.sky-sheet__note,
.sky-row p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-gray-700);
}

.sky-sheet__lead,
.sky-sheet__note {
  max-width: 42rem;
}

.sky-sheet__lead {
  margin-bottom: var(--space-6);
}

.sky-sheet__note {
  margin-top: var(--space-5);
}

.sky-rows {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--color-gray-200);
}

.sky-row {
  display: grid;
  grid-template-columns: 14rem minmax(0, 1fr);
  gap: var(--space-2) var(--space-8);
  align-items: baseline;
  margin: 0;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-gray-200);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-gray-700);
}

.sky-rows--numbered {
  counter-reset: sky;
}

.sky-rows--numbered > .sky-row {
  grid-template-columns: 1.75rem 11rem minmax(0, 1fr);
  counter-increment: sky;
}

.sky-rows--numbered > .sky-row::before {
  content: counter(sky);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-500);
}

.sky-rows--plain > .sky-row {
  grid-template-columns: 1.75rem minmax(0, 1fr);
}

.sky-row h3 {
  margin: 0;
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  line-height: var(--leading-relaxed);
  color: var(--color-black);
}

.sky-row a {
  color: var(--color-gray-700);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.sky-row a:hover {
  color: var(--color-black);
}

@media (max-width: 720px) {
  .sky-row,
  .sky-rows--numbered > .sky-row,
  .sky-rows--plain > .sky-row {
    grid-template-columns: 1fr;
    gap: var(--space-1);
  }

  .sky-rows--numbered > .sky-row {
    grid-template-columns: 1.75rem 1fr;
  }

  .sky-rows--numbered > .sky-row h3,
  .sky-rows--numbered > .sky-row p {
    grid-column: 2;
  }
}

/* Night vision */
body.night-vision .sky-art,
body.night-vision .sky-target {
  color: var(--nv-text);
  background: var(--nv-bg-card);
  border-color: var(--nv-border);
}

body.night-vision .sky-target .sky-art {
  background: transparent;
  border-bottom-color: var(--nv-border);
}

body.night-vision .sky-target h3,
body.night-vision .sky-row h3 {
  color: var(--nv-text);
}

body.night-vision .sky-rows,
body.night-vision .sky-row {
  border-color: var(--nv-border);
}

body.night-vision .sky-fig figcaption,
body.night-vision .sky-target h3 span,
body.night-vision .sky-rows--numbered > .sky-row::before {
  color: var(--nv-text-dim);
}

body.night-vision .sky-target p,
body.night-vision .sky-sheet__lead,
body.night-vision .sky-sheet__note,
body.night-vision .sky-row,
body.night-vision .sky-row a {
  color: var(--nv-text-muted);
}