:root{
  --bg:#0b0c0e;
  --panel:#131417;
  --panel-2:#17181c;
  --panel-3:#1b1d22;
  --line:#26282d;
  --line-soft:#1c1d21;
  --cyan:#6cc3cf;
  --cyan-hi:#93d5de;
  --cyan-dim:#24474d;
  --cyan-soft:rgba(108,195,207,0.07);
  --text:#e9eaec;
  --text-dim:#8b8e95;
  --text-faint:#55585f;
  --green:#34d399;
  --amber:#f5b955;
  --red:#f2716b;
  --mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace;
  --sans:"Geist",system-ui,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
  color-scheme:dark;
}
*{box-sizing:border-box;}
[hidden]{display:none!important;}
html,body{margin:0;padding:0;}
html{-webkit-text-size-adjust:100%;}
body{
  background:
    repeating-linear-gradient(0deg,rgba(255,255,255,.012) 0 1px,transparent 1px 3px),
    var(--bg);
  color:var(--text);
  font-family:var(--sans);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
}
::selection{background:var(--cyan-dim);color:var(--text);}
a{color:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
code{
  background:var(--panel-2);border:1px solid var(--line);
  padding:1px 5px;font-family:var(--mono);font-size:.86em;color:var(--text);
  white-space:nowrap;
}

/* ---------- top bar ---------- */
.topbar{
  max-width:860px;margin:0 auto;padding:18px 20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{
  display:flex;align-items:center;gap:10px;text-decoration:none;
  font-family:var(--mono);font-size:12.5px;font-weight:600;color:var(--text);
}
.brand img{width:22px;height:22px;image-rendering:pixelated;display:block;}
.brand span{color:var(--text-faint);font-weight:500;}
.nav{display:flex;align-items:center;gap:4px;font-family:var(--mono);font-size:12px;}
.nav a{
  color:var(--text-dim);text-decoration:none;padding:6px 9px;
  border:1px solid transparent;transition:color .15s,border-color .15s;
}
.nav a:hover{color:var(--text);}
.nav a[aria-current=page]{color:var(--cyan);border-color:var(--line);}

/* ---------- page ---------- */
.wrap{max-width:860px;margin:0 auto;padding:44px 20px 80px;}
.reveal{animation:rise .5s var(--ease) both;}
.reveal-2{animation-delay:.06s;}
.reveal-3{animation-delay:.12s;}
@keyframes rise{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;animation-delay:0s!important;transition-duration:.001s!important;}
}

.kicker{
  font-family:var(--mono);font-size:12px;color:var(--text-faint);letter-spacing:.03em;
  margin:0 0 18px;padding-bottom:14px;border-bottom:1px solid var(--line);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
h1{
  font-family:var(--mono);font-weight:700;
  font-size:clamp(27px,4.6vw,42px);line-height:1.18;letter-spacing:-.015em;
  margin:0 0 18px;text-wrap:balance;
}
h1 .accent{color:var(--cyan);}
.lede{
  color:var(--text-dim);font-size:15.5px;line-height:1.7;max-width:60ch;margin:0 0 36px;
}
.lede strong{color:var(--text);font-weight:500;}
.link-accent{color:var(--cyan);text-decoration:none;border-bottom:1px solid var(--cyan-dim);transition:border-color .15s;}
.link-accent:hover{border-bottom-color:var(--cyan);}

/* ---------- panels ---------- */
.panel{
  background:var(--panel);border:1px solid var(--line);margin-bottom:16px;overflow:hidden;
  transition:opacity .25s var(--ease);
}
.panel.disabled{opacity:.35;pointer-events:none;}
.panel.disabled .panel-head .num{color:var(--text-faint);}
.panel-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:18px 22px 0;
}
.panel-head .title{display:flex;align-items:center;gap:10px;}
.panel-head .num{font-family:var(--mono);font-size:12px;font-weight:500;color:var(--cyan);}
.panel h2{font-family:var(--sans);font-size:16px;font-weight:600;letter-spacing:-.01em;margin:0;color:var(--text);}
.hint{color:var(--text-dim);font-size:13.5px;margin:8px 0 18px;line-height:1.65;padding:0 22px;}

/* ---------- dropzone ---------- */
.dropzone{
  position:relative;display:block;margin:0 22px 22px;padding:40px 20px;
  border:1px dashed var(--line);background:var(--panel-2);text-align:center;cursor:pointer;
  transition:border-color .15s,background .15s;
}
.dropzone::before,.dropzone::after{
  content:"";position:absolute;width:10px;height:10px;border-color:var(--cyan);border-style:solid;
  opacity:0;transition:opacity .15s,transform .2s var(--ease);
}
.dropzone::before{top:-1px;left:-1px;border-width:1px 0 0 1px;transform:translate(4px,4px);}
.dropzone::after{bottom:-1px;right:-1px;border-width:0 1px 1px 0;transform:translate(-4px,-4px);}
.dropzone:hover,.dropzone.drag{border-color:var(--cyan-dim);background:var(--cyan-soft);}
.dropzone:hover::before,.dropzone:hover::after,.dropzone.drag::before,.dropzone.drag::after{opacity:1;transform:none;}
.dropzone:focus-within{outline:2px solid var(--cyan);outline-offset:2px;}
.dropzone .icon{width:32px;height:32px;margin:0 auto 12px;display:block;color:var(--cyan);transition:transform .2s var(--ease);}
.dropzone.drag .icon{transform:translateY(-3px);}
.dropzone .main-txt{font-weight:500;font-size:14.5px;}
.dropzone .sub-txt{font-family:var(--mono);font-size:12px;color:var(--text-dim);margin-top:6px;}
.dropzone input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none;}

.status-line{
  font-family:var(--mono);font-size:12.5px;line-height:1.6;padding:0 22px 20px;margin-top:-8px;
  color:var(--text-dim);min-height:18px;
}
.status-line:empty{display:none;}
.status-line.err{color:var(--red);}
.status-line.ok{color:var(--green);}
.status-line.busy::before{
  content:"";display:inline-block;width:8px;height:8px;margin-right:8px;background:var(--cyan);
  animation:blink 1s steps(2) infinite;vertical-align:0;
}
@keyframes blink{50%{opacity:0;}}

/* ---------- detection chips ---------- */
.detect{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));
  gap:1px;background:var(--line);border:1px solid var(--line);margin:0 22px 18px;
}
.detect div{background:var(--panel-2);padding:11px 13px;min-width:0;}
.detect .k{font-family:var(--sans);font-size:12px;color:var(--text-faint);}
.detect .v{font-family:var(--mono);font-size:12.5px;margin-top:4px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.v.good{color:var(--green);} .v.acc{color:var(--cyan);} .v.warn{color:var(--amber);} .v.bad{color:var(--red);}

/* ---------- picker (multiple worlds) ---------- */
.picker{margin:0 22px 22px;display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line);}
.picker:empty{display:none;}
.picker button{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:var(--panel-2);border:0;padding:12px 14px;text-align:left;color:var(--text);
  font-family:var(--mono);font-size:12px;cursor:pointer;transition:background .12s;
}
.picker button:hover{background:var(--panel-3);}
.picker .count{font-size:11px;color:var(--text-faint);white-space:nowrap;}

/* ---------- toolbar / search ---------- */
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:0 22px 16px;}
.count-txt{color:var(--text-dim);font-family:var(--mono);font-size:12.5px;}
.search-box{
  display:flex;align-items:center;gap:8px;background:var(--panel-2);border:1px solid var(--line);padding:6px 10px;
  transition:border-color .15s;
}
.search-box:focus-within{border-color:var(--cyan-dim);}
.search-box svg{width:12px;height:12px;color:var(--text-faint);flex-shrink:0;}
.search-box input{
  background:transparent;border:0;outline:0;color:var(--text);font-family:var(--mono);font-size:12px;width:210px;max-width:52vw;
}
.search-box input::placeholder{color:var(--text-faint);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  font-family:var(--mono);font-size:12.5px;font-weight:600;letter-spacing:0;
  background:var(--cyan);color:#0c2226;border:1px solid var(--cyan);padding:10px 16px;cursor:pointer;
  text-decoration:none;white-space:nowrap;transition:background .12s,transform .08s;
}
.btn:hover{background:var(--cyan-hi);}
.btn:active{transform:translateY(1px);}
.btn:disabled{opacity:.3;cursor:not-allowed;transform:none;background:var(--cyan);}
.btn svg{width:12px;height:12px;}
.btn.ghost{background:transparent;color:var(--text-dim);border-color:var(--line);font-weight:500;}
.btn.ghost:hover{color:var(--text);border-color:var(--text-faint);}
.btn.block{display:flex;width:100%;}
.row-end{display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap;padding:0 22px 22px;}

/* ---------- progress ---------- */
.progress{height:2px;background:var(--line);margin:0 22px 18px;overflow:hidden;}
.progress[hidden]{display:none;}
.progress i{display:block;height:100%;width:0;background:var(--cyan);transition:width .2s linear;}

/* ---------- player grid ---------- */
.grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));
  gap:1px;background:var(--line);border:1px solid var(--line);margin:0 22px 22px;
}
.card{background:var(--panel-2);padding:14px;position:relative;transition:background .15s;min-width:0;}
.card:hover{background:var(--panel-3);}
.card.hidden{display:none;}
.card.pending .stats{opacity:.5;}
.card.selectable{cursor:pointer;}
.card.selected{background:var(--cyan-soft);box-shadow:inset 0 0 0 1px var(--cyan);}
.card .check{
  position:absolute;top:12px;right:12px;width:16px;height:16px;border:1px solid var(--line);
  display:grid;place-items:center;transition:border-color .15s,background .15s;
}
.card.selected .check{background:var(--cyan);border-color:var(--cyan);}
.card.selected .check::after{content:"";width:7px;height:4px;border:solid #0c2226;border-width:0 0 2px 2px;transform:rotate(-45deg) translate(1px,-1px);}
.card-top{display:flex;align-items:center;gap:11px;padding-right:20px;}
.avatar{width:40px;height:40px;background:var(--line-soft);image-rendering:pixelated;flex-shrink:0;display:block;}
.card-id{min-width:0;}
.nickname{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.nickname.loading{color:var(--text-faint);}
.uuid-small{font-family:var(--mono);font-size:10px;color:var(--text-faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px;}
.badge{
  display:inline-block;font-family:var(--mono);font-size:9.5px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;
  color:var(--green);border:1px solid rgba(52,211,153,.3);padding:1px 5px;margin-left:6px;vertical-align:1px;
}
.stats{
  font-family:var(--mono);font-size:11px;color:var(--text-dim);margin-top:12px;padding-top:11px;
  border-top:1px solid var(--line);display:flex;flex-direction:column;gap:4px;
}
.stats .r{display:flex;justify-content:space-between;gap:8px;}
.stats .r span:first-child{flex-shrink:0;}
.stats .r span:last-child{color:var(--text);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.err-txt{color:var(--red);font-family:var(--sans);}
.card .btn{margin-top:12px;font-size:11px;padding:9px 10px;}
.skeleton{height:9px;background:linear-gradient(90deg,var(--line-soft),var(--line),var(--line-soft));background-size:200% 100%;animation:shimmer 1.2s linear infinite;}
@keyframes shimmer{to{background-position:-200% 0;}}

/* ---------- world cards (BTV) ---------- */
.worlds{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line);margin:0 22px 22px;}
.world{background:var(--panel-2);padding:16px;}
.world-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.world-name{font-family:var(--mono);font-weight:600;font-size:15px;}
.world-path{font-family:var(--mono);font-size:11px;color:var(--text-faint);}
.world .detect{margin:14px 0 0;}
.warn-txt{font-family:var(--mono);font-size:11.5px;color:var(--amber);margin-top:12px;}
.world .btn{margin-top:14px;}

/* ---------- after note ---------- */
.after-note{font-size:13px;color:var(--text-dim);padding:16px 22px 22px;line-height:1.65;border-top:1px solid var(--line);}
.after-note p{margin:0 0 12px;}
.after-note ol{margin:0;padding:0;list-style:none;counter-reset:step;}
.after-note li{counter-increment:step;position:relative;padding:7px 0 7px 28px;border-top:1px solid var(--line-soft);}
.after-note li:first-child{border-top:0;}
.after-note li::before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:8px;font-family:var(--mono);font-size:11px;color:var(--cyan);}

/* ---------- hub: tools + how ---------- */
.section-title{
  font-family:var(--mono);font-size:19px;font-weight:700;letter-spacing:-.01em;
  color:var(--text);margin:72px 0 20px;
}

footer{
  max-width:860px;margin:0 auto;padding:0 20px 40px;font-family:var(--mono);font-size:11px;color:var(--text-faint);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
footer a{color:var(--text-dim);text-decoration:none;}
footer a:hover{color:var(--cyan);}

@media (max-width:640px){
  .topbar{flex-wrap:wrap;}
  .wrap{padding-top:32px;}
  .panel-head,.hint,.toolbar,.row-end,.after-note,.status-line{padding-left:16px;padding-right:16px;}
  .dropzone,.grid,.worlds,.detect,.picker,.progress{margin-left:16px;margin-right:16px;}
  .search-box{width:100%;}
  .search-box input{width:100%;max-width:none;}
  .row-end .btn{flex:1;}
}

/* ---------- hub summary ---------- */
.summary{list-style:none;margin:14px 22px 18px;padding:0;border:1px solid var(--line);}
.summary:empty{display:none;}
.summary li{display:flex;gap:12px;align-items:baseline;padding:10px 14px;font-size:13.5px;color:var(--text-dim);border-top:1px solid var(--line-soft);background:var(--panel-2);}
.summary li:first-child{border-top:0;}
.summary li .v{font-family:var(--mono);font-size:12px;flex-shrink:0;}
.summary b{color:var(--text);font-weight:600;}
.pad{padding:0 22px 14px;margin:0;}
.muted{margin:14px 0 0!important;font-size:12.5px;color:var(--text-faint);}
.muted code{color:var(--text-dim);}
@media (max-width:640px){ .summary{margin-left:16px;margin-right:16px;} .pad{padding-left:16px;padding-right:16px;} }

/* ---------- background globe ---------- */
.globe{
  position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;
  mask-image:linear-gradient(to top,#000 40%,rgba(0,0,0,.55) 75%,rgba(0,0,0,.25));
  -webkit-mask-image:linear-gradient(to top,#000 40%,rgba(0,0,0,.55) 75%,rgba(0,0,0,.25));
  animation:globeIn 1.2s var(--ease) both;
}
@keyframes globeIn{from{opacity:0;}to{opacity:1;}}
.topbar,.wrap,footer{position:relative;z-index:1;}

/* ---------- qa grid, tools line, tree, skip ---------- */
.faq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 40px;}
.qa h3{font-size:14.5px;font-weight:600;margin:0 0 8px;line-height:1.45;text-wrap:balance;}
.qa p{margin:0;color:var(--text-dim);font-size:13.5px;line-height:1.7;}
.tools-line{color:var(--text-dim);font-size:14.5px;line-height:1.75;max-width:64ch;margin:0;}
.tree{
  display:grid;grid-template-columns:auto auto auto;gap:0 28px;align-items:center;justify-content:start;
  font-family:var(--mono);font-size:12.5px;line-height:1.9;color:var(--text-dim);
  border:1px solid var(--line);background:var(--panel);padding:18px 22px;margin:0 0 32px;overflow-x:auto;
}
.tree pre{margin:0;font:inherit;}
.tree .hl{color:var(--cyan);}
.tree .arrow{color:var(--text-faint);font-size:16px;}
.tree .cap{grid-column:1/-1;font-family:var(--sans);font-size:12px;color:var(--text-faint);margin-top:10px;}
.skip{position:absolute;left:12px;top:-40px;z-index:10;background:var(--cyan);color:#0c2226;padding:8px 12px;font-family:var(--mono);font-size:12px;text-decoration:none;}
.skip:focus{top:12px;}
html{scroll-behavior:smooth;}
@media (max-width:640px){ .faq{grid-template-columns:1fr;} .tree{grid-template-columns:1fr;} .tree .arrow{transform:rotate(90deg);justify-self:start;} }