*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#080810;--bg2:#0f0f18;--bg3:#16161f;
  --line:rgba(255,255,255,0.06);--line2:rgba(255,255,255,0.12);
  --text:#c0c0d0;--text2:#72728a;--text3:#3a3a50;
  --accent:#5a9ff0;--hi:#f0d060;--go:#50d890;--ng:#f05050;
  --W:300px;--H:48px;
  --font:-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;
  --mono:'SF Mono','Fira Code',Consolas,monospace;
}
html,body{width:100%;height:100%;overflow:hidden;background:var(--bg);
  font-family:var(--font);color:var(--text);font-size:13px;
  -webkit-tap-highlight-color:transparent;touch-action:none}
canvas{display:block;position:fixed;inset:0;touch-action:none}

/* ── Loader ── */
#loader{
  position:fixed;inset:0;z-index:999;background:var(--bg);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .6s;
}
#loader.fade{opacity:0;pointer-events:none}
#loader-inner{text-align:center;width:260px}
#loader-title{font-size:28px;font-weight:700;letter-spacing:.18em;color:var(--text);margin-bottom:4px}
#loader-sub{font-size:10px;color:var(--text3);letter-spacing:.12em;text-transform:uppercase;margin-bottom:28px}
#loader-bar-wrap{height:2px;background:var(--bg3);border-radius:2px;overflow:hidden;margin-bottom:12px}
#loader-bar{height:100%;width:0%;background:var(--accent);border-radius:2px;transition:width .3s ease}
#loader-status{font-size:11px;color:var(--text3);letter-spacing:.04em;min-height:16px}

/* ── Header ── */
#hdr{
  position:fixed;top:0;left:0;right:0;height:var(--H);
  background:rgba(8,8,16,0.97);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:10px;padding:0 12px;z-index:100;
}
#hdr-title{font-size:11px;font-weight:700;white-space:nowrap;
  letter-spacing:.06em;text-transform:uppercase;color:var(--text)}
#hdr-title em{font-style:normal;color:var(--text3);font-weight:400;text-transform:none}
.vsep{width:1px;height:20px;background:var(--line2);flex-shrink:0}
#hdr-count{font-size:10px;color:var(--text3);white-space:nowrap;flex-shrink:0}

/* search */
#sw{position:relative;flex:0 1 220px;min-width:0}
#search{
  width:100%;padding:6px 10px 6px 28px;
  background:var(--bg3);border:1px solid var(--line2);border-radius:5px;
  color:var(--text);font:12px var(--font);outline:none;
  transition:border-color .15s;
}
#search:focus{border-color:var(--accent)}
#search::placeholder{color:var(--text3)}
#si{position:absolute;left:9px;top:50%;transform:translateY(-50%);
    font-size:13px;color:var(--text3);pointer-events:none}
#sr{
  position:absolute;top:calc(100% + 4px);left:0;right:0;
  background:var(--bg2);border:1px solid var(--line2);border-radius:5px;
  display:none;max-height:300px;overflow-y:auto;z-index:300;
  box-shadow:0 8px 32px rgba(0,0,0,.7);
}
.sri{
  padding:8px 12px;font-size:12px;cursor:pointer;
  border-bottom:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:8px;
}
.sri:hover{background:var(--bg3)}
.sri-left{display:flex;align-items:center;gap:7px;min-width:0}
.sri-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}
.sri-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sri em{font-style:normal;font-size:10px;color:var(--text2);flex-shrink:0}
#sr-tabs{display:flex;border-bottom:1px solid var(--line);flex-shrink:0}
.sr-tab{flex:1;padding:6px;text-align:center;font-size:10px;color:var(--text3);
  cursor:pointer;border-bottom:2px solid transparent;transition:all .15s}
.sr-tab.on{color:var(--accent);border-bottom-color:var(--accent)}
#sr-list{max-height:240px;overflow-y:auto}

#hdr-right{margin-left:auto;display:flex;align-items:center;gap:6px;flex-shrink:0}
.btn{
  padding:5px 9px;font-size:11px;font-family:var(--font);
  background:none;border:1px solid var(--line2);border-radius:4px;
  color:var(--text2);cursor:pointer;transition:all .15s;white-space:nowrap;
  -webkit-tap-highlight-color:transparent;
}
.btn:hover{color:var(--text);border-color:rgba(255,255,255,.2)}
.btn.on{color:var(--accent);border-color:var(--accent);background:rgba(90,159,240,.08)}

/* mobile adaptations */
@media(max-width:600px){
  #hdr-count{display:none}
  .vsep{display:none}
  .desktop-only{display:none!important}
  #sw{flex:1}
}

/* ── Controls hint ── */
#controls-hint{
  position:fixed;top:calc(var(--H) + 10px);left:50%;transform:translateX(-50%);
  font-size:10px;color:var(--text3);pointer-events:none;z-index:50;
  white-space:nowrap;transition:opacity 1s;background:rgba(8,8,16,.7);
  padding:4px 10px;border-radius:20px;
}

/* ── Side panel ── */
#panel{
  position:fixed;top:var(--H);right:0;bottom:24px;width:var(--W);
  background:rgba(8,8,16,0.97);backdrop-filter:blur(16px);
  border-left:1px solid var(--line);
  display:flex;flex-direction:column;
  transform:translateX(100%);
  transition:transform .28s cubic-bezier(.4,0,.2,1);
  z-index:90;overflow:hidden;
}
#panel.open{transform:translateX(0)}
@media(max-width:600px){
  #panel{
    top:auto;right:0;left:0;bottom:0;width:100%;
    height:60vh;border-left:none;border-top:1px solid var(--line2);
    transform:translateY(100%);border-radius:16px 16px 0 0;
  }
  #panel.open{transform:translateY(0)}
}
#panel-close{
  position:absolute;top:10px;right:12px;
  background:none;border:none;font-size:20px;
  color:var(--text2);cursor:pointer;padding:4px 8px;border-radius:4px;line-height:1;
}
#panel-close:hover{color:var(--text);background:var(--bg3)}
#panel-handle{
  display:none;width:36px;height:4px;border-radius:2px;background:var(--line2);
  margin:10px auto 0;flex-shrink:0;
}
@media(max-width:600px){#panel-handle{display:block}}
#ph{padding:14px 16px 12px;border-bottom:1px solid var(--line);flex-shrink:0}
#p-id{font:10px var(--mono);color:var(--text3);margin-bottom:4px}
#p-name{font-size:16px;font-weight:600;color:var(--text);margin-bottom:3px}
#p-cls{font-size:11px;color:var(--text2);display:flex;align-items:center;gap:7px}
#p-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0;box-shadow:0 0 6px currentColor}
#pb{flex:1;overflow-y:auto;padding-bottom:20px}
#pb::-webkit-scrollbar{width:3px}
#pb::-webkit-scrollbar-thumb{background:var(--line2);border-radius:2px}
.ps{padding:10px 16px 2px}
.pst{
  font-size:9px;font-weight:700;letter-spacing:.10em;text-transform:uppercase;
  color:var(--text3);margin-bottom:8px;padding-bottom:5px;border-bottom:1px solid var(--line);
}
.pr{
  display:flex;justify-content:space-between;align-items:baseline;
  padding:4px 0;border-bottom:1px solid var(--line);font-size:12px;
}
.pr:last-child{border-bottom:none}
.prl{color:var(--text2)}
.prv{color:var(--text);font:12px var(--mono);text-align:right}
.prv.a{color:var(--accent)}.prv.h{color:var(--hi)}
.prv.g{color:var(--go)}.prv.r{color:var(--ng)}
.dbar{margin:8px 0 4px}
.dbg{height:3px;background:var(--bg3);border:1px solid var(--line);border-radius:2px}
.dbf{height:100%;background:var(--accent);border-radius:2px;transition:width .5s cubic-bezier(.4,0,.2,1)}
.dbl{display:flex;justify-content:space-between;font-size:9px;color:var(--text3);margin-top:3px}

/* nearby list */
#p-nearby{padding:10px 16px 2px}
.nearby-star{
  display:flex;align-items:center;gap:8px;padding:5px 6px;border-radius:4px;
  cursor:pointer;font-size:11px;transition:background .1s;
}
.nearby-star:hover{background:var(--bg3)}
.ns-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}
.ns-name{flex:1;color:var(--text);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ns-dist{color:var(--text3);font:10px var(--mono);flex-shrink:0}

/* ── Filter panel ── */
#filters{
  position:fixed;top:var(--H);left:0;bottom:24px;width:185px;
  background:rgba(8,8,16,0.97);backdrop-filter:blur(16px);
  border-right:1px solid var(--line);
  padding:14px 12px;z-index:90;overflow-y:auto;
  transform:translateX(-100%);transition:transform .25s cubic-bezier(.4,0,.2,1);
}
#filters.open{transform:translateX(0)}
@media(max-width:600px){
  #filters{
    top:auto;bottom:0;left:0;right:0;width:100%;height:55vh;
    border-right:none;border-top:1px solid var(--line2);
    transform:translateY(100%);border-radius:16px 16px 0 0;padding-bottom:30px;
  }
  #filters.open{transform:translateY(0)}
}
.ft{font-size:9px;font-weight:700;letter-spacing:.10em;text-transform:uppercase;
    color:var(--text3);margin-bottom:10px;padding-bottom:6px;border-bottom:1px solid var(--line)}
.fs{margin-bottom:16px}
.fsl{font-size:10px;color:var(--text3);margin-bottom:6px}
.ci{display:flex;align-items:center;gap:7px;padding:5px 4px;cursor:pointer;font-size:12px;
  border-radius:4px;transition:background .1s}
.ci:hover{background:var(--bg3)}
.ci input{display:none}
.cd{width:9px;height:9px;border-radius:50%;flex-shrink:0;border:1px solid rgba(255,255,255,.15)}
.ci input:not(:checked)~.cd{opacity:.15}
.ci input:not(:checked)~.cn{opacity:.3}
.cn{flex:1;color:var(--text)}
.ccount{font-size:10px;color:var(--text3)}
.rr{margin-bottom:14px}
.rl{display:flex;justify-content:space-between;font-size:10px;color:var(--text2);margin-bottom:6px}
input[type=range]{width:100%;appearance:none;height:3px;background:var(--line2);border-radius:2px;outline:none;cursor:pointer}
input[type=range]::-webkit-slider-thumb{appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);cursor:pointer;border:2px solid var(--bg)}

/* ── Discover panel ── */
#discover{
  position:fixed;top:var(--H);left:0;bottom:24px;width:200px;
  background:rgba(8,8,16,0.97);backdrop-filter:blur(16px);
  border-right:1px solid var(--line);
  z-index:89;overflow-y:auto;
  transform:translateX(-100%);transition:transform .25s cubic-bezier(.4,0,.2,1);
}
#discover.open{transform:translateX(0)}
#discover.filters-open{transform:translateX(185px)}
@media(max-width:600px){
  #discover{
    top:auto;bottom:0;left:0;right:0;width:100%;height:55vh;
    border-right:none;border-top:1px solid var(--line2);
    transform:translateY(100%);border-radius:16px 16px 0 0;
  }
  #discover.open{transform:translateY(0)}
  #discover.filters-open{transform:translateY(0)}
}
.disc-section{padding:10px 12px 4px}
.disc-title{font-size:9px;font-weight:700;letter-spacing:.10em;text-transform:uppercase;
  color:var(--text3);margin-bottom:8px;padding-bottom:5px;border-bottom:1px solid var(--line)}
.disc-item{
  display:flex;align-items:center;gap:7px;padding:5px 4px;border-radius:4px;
  cursor:pointer;font-size:11px;transition:background .1s;
}
.disc-item:hover{background:var(--bg3)}
.disc-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.disc-name{flex:1;color:var(--text);min-width:0}
.disc-sub{font-size:10px;color:var(--text3)}

/* ── Tooltip ── */
#tip{
  position:fixed;pointer-events:none;z-index:200;
  background:rgba(8,8,16,.97);border:1px solid var(--line2);
  border-radius:5px;padding:8px 11px;font-size:12px;display:none;
  max-width:260px;box-shadow:0 6px 28px rgba(0,0,0,.7);
}
#tip strong{color:var(--text);display:block;margin-bottom:2px;font-size:13px}
#tip span{color:var(--text2);font-size:11px;line-height:1.5}

/* ── Scale bar ── */
#scalebar{
  position:fixed;bottom:30px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;pointer-events:none;z-index:50;
}
#sb-line{height:1px;background:var(--text3);position:relative}
#sb-line::before,#sb-line::after{
  content:'';position:absolute;top:-3px;width:1px;height:7px;background:var(--text3);
}
#sb-line::before{left:0}#sb-line::after{right:0}
#sb-lbl{font-size:9px;color:var(--text3);margin-top:3px;letter-spacing:.04em}

/* ── H-R diagram ── */
#hr-wrap{
  position:fixed;bottom:30px;right:8px;width:160px;
  background:var(--bg2);border:1px solid var(--line);border-radius:5px;
  z-index:50;display:none;overflow:hidden;
}
#hr-title{font-size:9px;color:var(--text3);text-align:center;padding:6px 6px 2px;
  letter-spacing:.06em;text-transform:uppercase;}
#hr-canvas{display:block;width:160px;height:200px}

/* ── Status bar ── */
#status{
  position:fixed;bottom:0;left:0;right:0;height:24px;
  background:rgba(8,8,16,.97);border-top:1px solid var(--line);
  display:flex;align-items:center;padding:0 12px;gap:16px;
  font-size:10px;color:var(--text3);z-index:100;letter-spacing:.02em;
}
#st-cam{margin-left:auto}

/* ── Context menu ── */
#ctx{
  position:fixed;z-index:300;background:var(--bg2);border:1px solid var(--line2);
  border-radius:6px;box-shadow:0 8px 32px rgba(0,0,0,.7);
  display:none;min-width:160px;overflow:hidden;
}
.ctx-item{
  padding:9px 14px;font-size:12px;color:var(--text);cursor:pointer;
  transition:background .1s;display:flex;align-items:center;gap:8px;
}
.ctx-item:hover{background:var(--bg3)}
.ctx-sep{height:1px;background:var(--line);margin:2px 0}