.sky-atlas {
  --atlas-border: rgba(204, 218, 224, .19);
  --atlas-light: #efecdf;
  --atlas-muted: #acb9c1;
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--atlas-border);
  border-radius: 12px;
  background: #101927;
  color: var(--atlas-light);
}
.sky-atlas, .sky-atlas * { box-sizing: border-box; }
.sky-atlas__view { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); }
.sky-atlas .sky-atlas__figure {
  display: grid;
  position: relative;
  align-items: center;
  margin: 0;
  min-width: 0;
  min-height: 300px;
  background: radial-gradient(ellipse at 50% 48%, #233244 0%, #192535 54%, #141e2c 100%);
}
.sky-atlas__figure svg { display: block; width: 100%; height: auto; }
.sky-atlas .sky-atlas__caption {
  position: absolute;
  bottom: 15px;
  right: 19px;
  color: #a3afba;
  font: 11px/1.4 system-ui, sans-serif;
  letter-spacing: .06em;
}
.sky-atlas__detail {
  border-left: 1px solid var(--atlas-border);
  padding: clamp(24px, 3.2vw, 48px);
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}
.sky-atlas__date, .sky-atlas__latin {
  font: 12px/1.35 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: .11em;
}
.sky-atlas__date { color: #dbbc82; }
.sky-atlas .sky-atlas__detail h3 {
  margin: 12px 0 5px;
  font: 500 clamp(29px, 3vw, 45px)/1.25 "Songti SC", "Noto Serif CJK SC", "STSong", serif;
  letter-spacing: .07em;
  color: var(--atlas-light);
}
.sky-atlas__latin { color: var(--atlas-muted); text-transform: uppercase; }
.sky-atlas .sky-atlas__description { margin: 20px 0; color: #d0d6d5; font-size: 15px; line-height: 1.85; }
.sky-atlas .sky-atlas__pointing { margin: 0; padding-top: 12px; border-top: 1px solid var(--atlas-border); color: var(--atlas-muted); font-size: 12px; line-height: 1.75; }
.sky-atlas__months { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); border-top: 1px solid var(--atlas-border); }
.sky-atlas__months button {
  appearance: none;
  border: 0;
  background: transparent;
  color: #c4c9ce;
  font: 13px/1.3 ui-monospace, system-ui, sans-serif;
  padding: 15px 0;
  min-height: 44px;
  cursor: pointer;
  border-radius: 0;
}
.sky-atlas__months button + button { border-left: 1px solid var(--atlas-border); }
.sky-atlas__months button:hover { background: rgba(219, 188, 130, .13); color: #f6e3bf; }
.sky-atlas__months button[aria-pressed="true"] { background: #e2c48c; color: #17202b; }
.sky-atlas__months button:focus-visible { outline: 2px solid #f4dfb4; outline-offset: -4px; box-shadow: inset 0 0 0 5px #414b54; }
.sky-atlas__star-label { font: 14px/1.3 system-ui, sans-serif; letter-spacing: 1px; paint-order: stroke; stroke: #1b2736; stroke-width: 4px; }
@media (max-width: 720px) {
  .sky-atlas__view { grid-template-columns: 1fr; }
  .sky-atlas .sky-atlas__figure { min-height: 0; }
  .sky-atlas__detail { border-top: 1px solid var(--atlas-border); border-left: 0; padding: 22px 24px 24px; }
  .sky-atlas .sky-atlas__description { margin: 12px 0; }
  .sky-atlas__months { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .sky-atlas__months button:nth-child(n+7) { border-top: 1px solid var(--atlas-border); }
  .sky-atlas__months button:nth-child(7) { border-left: 0; }
  .sky-atlas .sky-atlas__caption { bottom: 9px; right: 12px; font-size: 10px; }
}
.sky-atlas__caption a { color: inherit; text-decoration: underline; text-underline-offset: .23em; }