/* Full-screen sky under a navy menubar; colours from astro.brallo.it */
:root{
  --black:#000;
  --navy:#141a33;
  --panel:#1a2142;
  --line:#2b3460;
  --fg:#ebe7dc;
  --muted:#99a0bb;
  --gold:#cba35a;
  --gold-hi:#ead08a;
  --ok:#74c69d;
  --warn:#e0a458;
  --display:"Cormorant Garamond","Times New Roman",serif;
  --body:"Geist",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"Geist Mono",ui-monospace,Consolas,monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%;margin:0}
body{background:var(--black);color:var(--fg);font:15px/1.5 var(--body);display:flex;flex-direction:column;overflow:hidden}

.bar{flex:0 0 auto;display:flex;align-items:center;gap:16px;padding:8px 16px;padding-top:calc(8px + env(safe-area-inset-top,0px));background:var(--navy);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:baseline;gap:10px;color:var(--fg);text-decoration:none;flex:0 0 auto}
.adara{font-family:var(--display);font-weight:600;font-size:24px;letter-spacing:.08em;line-height:1}
.place{font-size:12px;color:var(--muted)}
.menu{display:flex;gap:6px;flex:1 1 auto;min-width:0;overflow-x:auto;scrollbar-width:none;justify-content:center}
.menu::-webkit-scrollbar{display:none}
.btn{flex:0 0 auto;font:500 13px/1 var(--body);color:var(--fg);background:transparent;border:1px solid var(--line);border-radius:999px;padding:8px 14px;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn .ico{width:14px;height:14px;margin:-3px 6px -3px 0;vertical-align:middle;fill:currentColor;stroke:currentColor;stroke-width:1.3}
.btn:hover{border-color:var(--gold);color:var(--gold-hi)}
.btn[aria-current="true"]{background:var(--gold);border-color:var(--gold);color:var(--navy)}
.btn[aria-pressed="true"]{border-color:var(--gold);color:var(--gold-hi);box-shadow:inset 0 0 0 1px var(--gold)}
.updated{flex:0 0 auto;font:12px var(--mono);color:var(--muted);white-space:nowrap}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(116,198,157,.2);margin-right:7px;vertical-align:1px}
.updated.stale .dot{background:var(--warn);box-shadow:0 0 0 3px rgba(224,164,88,.2)}
:focus-visible{outline:2px solid var(--gold-hi);outline-offset:2px}

.stage{flex:1 1 auto;min-height:0;position:relative;display:grid;place-items:center;padding-bottom:env(safe-area-inset-bottom,0px)}
.fit{position:relative;overflow:hidden}
/* the image and the star map share one 1024x768 box, scaled as a unit so they stay aligned */
.sky{position:absolute;left:0;top:0;width:1024px;height:768px;transform-origin:0 0;cursor:pointer}
.sky img{display:block;width:1024px;height:768px}
/* overlay box from the star calibration; site.js clips it to the open sky (skyedge.js) */
.mapclip{position:absolute;left:54.4px;top:-67.4px;width:907.6px;height:907.6px;clip-path:circle(395px at 50% 50%);opacity:0;transition:opacity .35s;pointer-events:none}
.sky.map .mapclip{opacity:1}
#starmap{width:907.6px;height:907.6px}

/* Messier legend on the west (right) side of the image, outside the sky */
.legend{position:absolute;right:6px;top:50%;transform:translateY(-50%);margin:0;padding:6px 9px;list-style:none;border-radius:8px;background:rgba(0,0,0,.55);font-size:11px;line-height:1.6;pointer-events:none}
.legend svg{width:12px;height:12px;margin-right:6px;vertical-align:-2px;fill:none;stroke:currentColor;stroke-width:1.4}
.cometnote{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);margin:0;padding:8px 14px;border-radius:999px;background:rgba(20,26,51,.88);border:1px solid var(--line);color:#d9a6ff;font-size:12px;white-space:nowrap;pointer-events:none}
.panel{position:absolute;inset:0;background:rgba(0,0,0,.94);display:grid;place-items:center;padding:16px;overflow:auto}
.panel .inner{width:min(100%,1024px)}
.panel img,.panel video{display:block;width:100%;height:auto;max-height:calc(100vh - 160px);object-fit:contain;border-radius:8px;background:#05070f}
.panel .inner.wide{width:min(100%,1600px)}
.videos{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.videos figure{margin:0;min-width:0}
.videos figcaption{font:500 13px var(--body);color:var(--gold-hi);margin:0 0 6px}
.panel .videos video{max-height:calc(100vh - 170px)}
.hint{font-size:12px;color:var(--muted);margin:10px 0 0}
.card{max-width:480px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:20px 24px}
.card h2{font:600 30px/1.1 var(--display);margin:0 0 8px;letter-spacing:.03em}
.card dl{margin:0}
.card dt{font:11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-top:12px}
.card dd{margin:2px 0 0}

@media (max-width:820px){
  .bar{flex-wrap:wrap;gap:8px 12px;padding-inline:12px}
  .updated{margin-left:auto}
  .menu{order:3;flex-basis:100%;justify-content:flex-start;margin-inline:-12px;padding-inline:12px}
  .videos{grid-template-columns:1fr}
}
@media (max-width:600px){.cometnote{font-size:10px;bottom:8px}}
@media (prefers-reduced-motion:reduce){.mapclip{transition:none}}
.place a{color:var(--gold)}