:root{--card-bg:rgba(10,10,20,.78);--card-br:16px;--glow:0 0 30px rgba(130,100,255,.35);--text:#e9ecff;--muted:#aab;--accent:#c7b7ff}
*{box-sizing:border-box}
html,body{height:100%;margin:0;color:var(--text);font:16px/1.5 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial}
body{background:#000 url('milkyway.jpg') center/cover fixed no-repeat}
a{color:var(--accent)}
header{position:sticky;top:0;z-index:10;backdrop-filter:blur(8px);background:linear-gradient(180deg,rgba(0,0,0,.8),rgba(0,0,0,.2));border-bottom:1px solid rgba(255,255,255,.1)}
nav{display:flex;gap:.75rem;padding:.6rem 1rem;align-items:center;flex-wrap:wrap}
nav a{padding:.4rem .7rem;border-radius:999px;text-decoration:none;background:rgba(255,255,255,.06);box-shadow:var(--glow)}
nav a.active{background:rgba(255,255,255,.15);font-weight:700}
main{max-width:1200px;margin:1rem auto;padding:0 1rem;display:grid;grid-template-columns:1fr;gap:1rem}
.section-card{background:var(--card-bg);border-radius:var(--card-br);box-shadow:var(--glow);border:1px solid rgba(255,255,255,.08)}
.section-card header{padding:.75rem 1rem;border-bottom:1px solid rgba(255,255,255,.08)}
.section-card header h3{margin:0;font-size:1.1rem}
.section-card .actions{margin-left:auto;display:flex;gap:.5rem}
.section-card .content{padding:.8rem 1rem}
.placeholder{color:var(--muted);font-style:italic;padding:.2rem 0}
.planet-table{width:100%;border-collapse:collapse}
.planet-table th,.planet-table td{padding:.5rem;border-bottom:1px solid rgba(255,255,255,.08)}
.planet-table th{text-align:left;color:#dfe6ff;font-weight:700}
.pname{font-weight:600}
.group{margin:.25rem 0 .75rem}
.group h4{margin:.5rem 0;color:#efe9ff}
.chron{list-style:none;padding:0;margin:0}
.chron li{padding:.35rem 0;border-bottom:1px dashed rgba(255,255,255,.08)}
.date{color:#d7d7ff}
#debug{background:rgba(0,0,0,.7);border:1px solid rgba(255,255,255,.15);border-radius:12px;overflow:hidden}
#debug header{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;cursor:pointer}
#debug .wrap{display:none;padding:.5rem .75rem;max-height:40vh;overflow:auto}
#debug.open .wrap{display:block}
#debug output pre{white-space:pre-wrap;word-break:break-word}
footer{padding:2rem 1rem;opacity:.9;text-align:center;color:#cdd}
footer .dev{font-size:.85rem;opacity:.8}
@media print{header,nav,footer,#debug{display:none!important}body{background:#fff!important}.section-card{box-shadow:none;border:none}}