:root {
  --bg: #eef1ed;
  --paper: #fbfcf8;
  --ink: #111817;
  --muted: #5d6863;
  --grid: rgba(24, 34, 32, 0.16);
  --grid-strong: rgba(24, 34, 32, 0.34);
  --axis: #182220;
  --accent: #007a74;
  --line: #cdd5cf;
  --shadow: 0 18px 42px rgba(15, 24, 22, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(17, 24, 23, 0.035) 1px, transparent 1px) 0 0 / 36px 36px,
    linear-gradient(0deg, rgba(17, 24, 23, 0.03) 1px, transparent 1px) 0 0 / 36px 36px,
    var(--bg);
  font-family: "Avenir Next", "PingFang SC", "Noto Sans CJK SC", sans-serif;
}

.page {
  width: min(1180px, calc(100vw - 28px));
  margin: 0 auto;
  padding: 28px 0;
}

.masthead {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--ink);
}

.kicker {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  max-width: 900px;
  font-size: clamp(27px, 4.2vw, 50px);
  line-height: 1;
  overflow-wrap: anywhere;
}

h2 {
  font-size: 20px;
}

.stats {
  display: flex;
  border: 1px solid var(--ink);
  background: var(--paper);
  box-shadow: 7px 7px 0 rgba(0, 122, 116, 0.18);
}

.stats div {
  min-width: 106px;
  padding: 12px 16px;
  border-left: 1px solid var(--ink);
}

.stats div:first-child {
  border-left: 0;
}

.stats strong {
  display: block;
  font-size: 28px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.stats span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
}

.data-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
}

.data-links a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 11px;
  border: 1px solid var(--ink);
  border-radius: 6px;
  color: var(--ink);
  background: var(--paper);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.data-links a:hover {
  color: #fff;
  background: var(--ink);
}

.sky-card,
.simple-table {
  background: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.sky-toolbar {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--ink);
}

.sky-toolbar p {
  margin-top: 5px;
  color: var(--muted);
  font-size: 14px;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font-size: 13px;
}

.swatch {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.map-wrap {
  padding: 16px;
  overflow-x: auto;
}

.sky-map {
  position: relative;
  min-width: 860px;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  border: 1px solid var(--axis);
  border-radius: 6px;
  background:
    linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0 / calc(100% / 12) 100%,
    linear-gradient(0deg, var(--grid) 1px, transparent 1px) 0 0 / 100% calc(100% / 6),
    radial-gradient(circle at 50% 50%, rgba(0, 122, 116, 0.08), transparent 58%),
    #f9fbf7;
}

.sky-map::before,
.sky-map::after {
  content: "";
  position: absolute;
  background: var(--grid-strong);
  pointer-events: none;
}

.sky-map::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
}

.sky-map::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
}

.axis-label {
  position: absolute;
  z-index: 2;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  pointer-events: none;
}

.ra-label {
  bottom: 8px;
  transform: translateX(-50%);
}

.dec-label {
  left: 8px;
  transform: translateY(-50%);
}

.pulsar-marker {
  --color: var(--accent);
  position: absolute;
  z-index: 5;
  transform: translate(-50%, -50%);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 170px;
  color: var(--ink);
  border: 0;
  background: transparent;
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}

.dot {
  width: 11px;
  height: 11px;
  flex: 0 0 auto;
  border: 2px solid var(--paper);
  border-radius: 50%;
  background: var(--color);
  box-shadow: 0 0 0 2px var(--color), 0 4px 12px rgba(0, 0, 0, 0.2);
}

.pulsar-marker span {
  padding: 3px 6px;
  overflow: hidden;
  border: 1px solid rgba(17, 24, 23, 0.18);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.86);
  font-size: 12px;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pulsar-marker:hover span,
.pulsar-marker:focus-visible span,
.pulsar-marker.is-selected span {
  background: var(--ink);
  color: #fff;
}

.pulsar-marker.is-selected .dot {
  width: 15px;
  height: 15px;
}

.fold-panel {
  margin: 0 16px 16px;
  overflow: hidden;
  border: 1px solid var(--axis);
  border-radius: 6px;
  background: #fff;
}

.fold-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: #f4f7f3;
}

.open-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 11px;
  border-radius: 6px;
  color: #fff;
  background: var(--ink);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.open-link:hover {
  background: var(--accent);
}

.fold-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 14px;
  padding: 14px;
}

.fold-content figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid #202b28;
  border-radius: 6px;
  background: #101413;
}

.fold-content img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #101413;
}

.fold-meta {
  display: grid;
  align-content: start;
  gap: 8px;
  margin: 0;
}

.fold-meta div {
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfcf8;
}

.fold-meta dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.fold-meta dd {
  margin: 4px 0 0;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.simple-table {
  margin: 0 0 16px;
  padding: 16px 18px;
}

.simple-table h2 {
  margin-bottom: 10px;
}

.rows {
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  border-collapse: separate;
  border-spacing: 0;
}

.rows th,
.rows td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  background: #fff;
  font-size: 14px;
  text-align: left;
  vertical-align: middle;
  overflow-wrap: anywhere;
}

.rows tbody tr {
  cursor: pointer;
}

.rows tbody tr:hover td,
.rows tbody tr:focus-visible td {
  background: #eef8f5;
  outline: none;
}

.rows th {
  color: var(--muted);
  background: #edf2ef;
  font-size: 12px;
  font-weight: 800;
  cursor: default;
}

.rows tr:last-child td {
  border-bottom: 0;
}

@media (max-width: 760px) {
  .masthead,
  .sky-toolbar {
    display: grid;
  }

  .legend {
    justify-content: flex-start;
  }

  .stats {
    width: 100%;
  }

  .stats div {
    flex: 1;
  }

  .rows {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .fold-content {
    grid-template-columns: 1fr;
  }
}