/* ====== Astronomical UI (mobile-first) ====== */
:root{
  --bg0:#070A12;
  --bg1:#0B1020;
  --card: rgba(255,255,255,.06);
  --stroke: rgba(255,255,255,.10);
  --text:#EAF0FF;
  --muted: rgba(234,240,255,.72);
  --muted2: rgba(234,240,255,.55);
  --accent:#8AB4FF;
  --accent2:#7AE7FF;
  --warn:#FFCC66;
  --good:#88FFCC;
  --danger:#FF6B6B;
  --radius:18px;
  --shadow: 0 12px 28px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(122,231,255,.13), transparent 60%),
    radial-gradient(900px 500px at 80% 0%, rgba(138,180,255,.12), transparent 55%),
    radial-gradient(900px 600px at 55% 120%, rgba(138,180,255,.10), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  line-height:1.45;
}
a{color:var(--accent);text-decoration:none}
a:hover{opacity:.92}
small, .muted{color:var(--muted)}
.wrap{max-width:1160px;margin:0 auto;padding:20px}
@media (max-width:720px){.wrap{padding:16px}}
.topbar{
  position:sticky;top:0;z-index:10;
  backdrop-filter: blur(10px);
  background: rgba(7,10,18,.55);
  border-bottom:1px solid var(--stroke);
}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;gap:12px;align-items:center}
.logo{
  width:34px;height:34px;border-radius:12px;
  background: radial-gradient(circle at 30% 30%, rgba(122,231,255,.9), rgba(138,180,255,.2) 55%, rgba(255,255,255,.06) 70%);
  border:1px solid rgba(255,255,255,.18);
  box-shadow: var(--shadow);
}
.brand h1{font-size:16px;margin:0}
.brand .sub{font-size:12px;color:var(--muted2);margin-top:2px}
.pills{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 11px;border-radius:999px;
  background: rgba(255,255,255,.06);
  border:1px solid var(--stroke);
  color:var(--muted);
  font-size:12px;
}
.pill b{color:var(--text);font-weight:650}
.hero{
  padding:18px;
  border:1px solid var(--stroke);
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.03));
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
  position:relative;
}
.hero:before{
  content:"";
  position:absolute;inset:-120px -120px auto auto;
  width:420px;height:420px;border-radius:50%;
  background: radial-gradient(circle at 35% 35%, rgba(122,231,255,.22), transparent 60%);
  pointer-events:none;
}
.grid{display:grid;grid-template-columns: 1.2fr .8fr;gap:14px}
@media (max-width:980px){.grid{grid-template-columns:1fr}}
.card{
  border:1px solid var(--stroke);
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card .hd{padding:14px 16px;border-bottom:1px solid var(--stroke);display:flex;align-items:center;justify-content:space-between;gap:12px}
.card .bd{padding:14px 16px}
.hd h2{margin:0;font-size:14px}
.hd .hint{font-size:12px;color:var(--muted2)}
.kv{display:grid;grid-template-columns: 1fr 1fr;gap:10px}
@media (max-width:720px){.kv{grid-template-columns:1fr}}
.kv .item{padding:10px 12px;border-radius:14px;border:1px solid rgba(255,255,255,.08);background:rgba(0,0,0,.18)}
.kv .item .k{font-size:12px;color:var(--muted2)}
.kv .item .v{margin-top:4px;font-size:13px;font-weight:650}
.controls{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
input,select,button{
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.22);
  color: var(--text);
  padding: 10px 12px;
  outline:none;
}
input::placeholder{color:rgba(234,240,255,.38)}
button{
  background: linear-gradient(180deg, rgba(138,180,255,.35), rgba(138,180,255,.12));
  border:1px solid rgba(138,180,255,.35);
  cursor:pointer;
  font-weight:650;
}
button:hover{filter:brightness(1.05)}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:4px 10px;border-radius:999px;
  border:1px solid rgba(138,180,255,.32);
  background: rgba(138,180,255,.14);
  font-size:12px;color:var(--text);
}
.tag.muted{border-color: rgba(255,255,255,.12);background: rgba(255,255,255,.06);color: var(--muted)}
.tag.warn{border-color: rgba(255,204,102,.35); background: rgba(255,204,102,.12)}
.tag.good{border-color: rgba(136,255,204,.35); background: rgba(136,255,204,.12)}
.tag.danger{border-color: rgba(255,107,107,.35); background: rgba(255,107,107,.12)}
.list{display:flex;flex-direction:column;gap:10px}
.ev{
  padding:12px 12px;border-radius:16px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
  display:flex;gap:12px;align-items:flex-start;justify-content:space-between;
}
.ev:hover{border-color:rgba(138,180,255,.25)}
.ev .left{min-width:0}
.ev .title{font-weight:700;font-size:13px;margin:0 0 4px 0}
.ev .meta{font-size:12px;color:var(--muted2);display:flex;gap:10px;flex-wrap:wrap}
.ev .right{display:flex;flex-direction:column;align-items:flex-end;gap:6px}
.ev .right .mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:11px;color:var(--muted2)}
.section{margin-top:14px}
.section h3{font-size:13px;margin:0 0 10px 0;color:var(--muted)}
.chart{
  border-radius: 18px;
  border:1px solid rgba(255,255,255,.10);
  background: radial-gradient(800px 400px at 30% 20%, rgba(122,231,255,.08), transparent 60%), rgba(0,0,0,.18);
  overflow:hidden;
}
.chart .canvasWrap{position:relative}
.chart canvas{width:100%;height:280px;display:block}
@media (max-width:720px){.chart canvas{height:240px}}
.chart .legend{padding:10px 12px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.legend .l{font-size:12px;color:var(--muted)}
.legend .r{font-size:12px;color:var(--muted2)}
.note{
  padding:12px 12px;border-radius:16px;
  background: rgba(255,255,255,.05);
  border:1px dashed rgba(255,255,255,.14);
  color:var(--muted);
  font-size:12px;
}
.footer{padding:24px 0;color:var(--muted2);font-size:12px;text-align:center}


/* ====== Motion & micro-interactions ====== */
@keyframes floaty { 0%{transform:translateY(0)} 50%{transform:translateY(-4px)} 100%{transform:translateY(0)} }
@keyframes shimmer { 0%{opacity:.55} 50%{opacity:.95} 100%{opacity:.55} }
@keyframes slideUp { from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:translateY(0)} }
@keyframes pulseRing { 0%{transform:scale(.92);opacity:.25} 60%{transform:scale(1.04);opacity:.10} 100%{transform:scale(1.15);opacity:0} }

.hero { animation: slideUp .55s ease-out both; }
.card { animation: slideUp .55s ease-out both; }
.ev { transition: transform .12s ease, border-color .12s ease, filter .12s ease; }
.ev:hover { transform: translateY(-1px); filter: brightness(1.05); }

.logo { animation: floaty 3.2s ease-in-out infinite; }
.pill { transition: transform .12s ease, filter .12s ease; }
.pill:hover { transform: translateY(-1px); filter: brightness(1.05); }

/* ====== Planetarium (hero animated) ====== */
.planetarium{
  position:relative;
  border-radius: 16px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.16);
  overflow:hidden;
  min-height: 160px;
}
@media (max-width:720px){ .planetarium{min-height:140px} }
.planetarium:before{
  content:"";
  position:absolute; inset:-20%;
  background: radial-gradient(circle at 30% 40%, rgba(122,231,255,.10), transparent 55%),
              radial-gradient(circle at 70% 30%, rgba(138,180,255,.10), transparent 60%);
  animation: shimmer 5.5s ease-in-out infinite;
  pointer-events:none;
}
.planetarium canvas{position:absolute; inset:0; width:100%; height:100%;}
.planetarium .cap{
  position:absolute; left:12px; bottom:10px; right:12px;
  display:flex; justify-content:space-between; gap:10px; flex-wrap:wrap;
  z-index:2;
}
.cap .chip{
  display:inline-flex; align-items:center; gap:8px;
  padding:6px 10px; border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(7,10,18,.55);
  color: rgba(234,240,255,.78);
  font-size:12px;
  backdrop-filter: blur(6px);
}
.chip .dot{
  width:8px; height:8px; border-radius:999px;
  background: rgba(122,231,255,.95);
  box-shadow: 0 0 14px rgba(122,231,255,.35);
}


/* ====== Event Animation ====== */
.anim{
  border-radius: 18px;
  border:1px solid rgba(255,255,255,.10);
  background: radial-gradient(900px 500px at 25% 10%, rgba(122,231,255,.09), transparent 60%),
              radial-gradient(900px 500px at 75% 0%, rgba(138,180,255,.08), transparent 62%),
              rgba(0,0,0,.18);
  overflow:hidden;
}
.animHd{
  padding:12px 12px;
  border-bottom:1px solid rgba(255,255,255,.08);
  display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
}
.animCtrl{display:flex; align-items:center; gap:10px; flex-wrap:wrap}
.animBtn{padding:10px 12px}
#animSeek{
  width: 280px;
  max-width: 60vw;
  accent-color: rgba(138,180,255,.95);
  padding: 0;
  height: 26px;
}
@media (max-width:720px){ #animSeek{width: 58vw;} }

.animBd{position:relative}
#eventAnimCanvas{display:block; width:100%; height:340px}
@media (max-width:720px){ #eventAnimCanvas{height:280px} }
.animLegend{
  padding:10px 12px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex; justify-content:space-between; gap:10px; flex-wrap:wrap;
}
.animLegend .l{font-size:12px;color:var(--muted)}
.animLegend .r{font-size:12px;color:var(--muted2)}