.fx-dot{position:absolute;left:0;top:0;width:12px;height:12px;margin:-6px 0 0 -6px;border-radius:50%;
background:var(--accent);box-shadow:0 0 0 5px color-mix(in srgb,var(--accent) 18%,transparent),0 2px 6px rgba(0,0,0,.3);
pointer-events:none;z-index:9999;transition:opacity .25s}
.ptr{position:absolute;inset:0;overflow:hidden;background:var(--bg)}
.spinner{position:absolute;left:50%;top:0;transform:translate(-50%,-40px);width:32px;height:32px;border-radius:50%;
background:var(--surface);border:1px solid var(--line);display:grid;place-items:center;color:var(--accent);
font-weight:700;font-size:14px}
.spinner.spin{animation:spin 0.6s linear infinite}
@keyframes spin{to{transform:translate(-50%,10px) rotate(360deg)}}
.list{position:relative;padding:16px 14px;display:grid;gap:8px;transition:transform .2s ease}
.item{padding:11px 14px;border-radius:10px;background:var(--surface);border:1px solid var(--line);
font-size:clamp(11px,3.2vmin,13px);color:var(--fg)}
.item.new{border-color:var(--accent);color:var(--accent)}
const fxDot=document.createElement('div');fxDot.className='fx-dot';document.body.appendChild(fxDot);
let fxAuto=true,fxX=innerWidth/2,fxY=innerHeight/2;
function fxHide(){fxDot.style.opacity='0';}
addEventListener('pointerdown',()=>{fxAuto=false;fxHide();},{capture:true});
addEventListener('pointermove',e=>{fxAuto=false;fxHide();fxX=e.clientX;fxY=e.clientY;},{capture:true});
function fxWalk(x,y,ms){
return new Promise(res=>{
const sx=fxX,sy=fxY,start=performance.now();
function step(now){
if(!fxAuto)return res();
const p=Math.min(1,(now-start)/ms),e=1-Math.pow(1-p,3);
fxX=sx+(x-sx)*e;fxY=sy+(y-sy)*e;
fxDot.style.transform='translate('+fxX+'px,'+fxY+'px)';
if(p<1)requestAnimationFrame(step);else res();
}
requestAnimationFrame(step);
});
}
function fxWait(ms){
return new Promise(res=>{
const start=performance.now();
function step(now){ if(!fxAuto)return res(); if(now-start<ms)requestAnimationFrame(step);else res(); }
requestAnimationFrame(step);
});
}
const list=document.getElementById('plist');
const spin=document.getElementById('spin');
let pulling=false, startY=0, pull=0, refreshing=false;
function applyPull(v){
pull=Math.max(0,v);
const c=Math.min(pull,90);
list.style.transform='translateY('+c+'px)';
spin.style.transform='translate(-50%,'+(c-40)+'px) rotate('+(c*3)+'deg)';
}
addEventListener('pointerdown',e=>{
if(refreshing) return;
fxAuto=false; fxHide();
if(e.clientY < innerHeight*0.35){ pulling=true; startY=e.clientY; }
});
addEventListener('pointermove',e=>{ if(!pulling) return; applyPull((e.clientY-startY)*0.6); });
addEventListener('pointerup',()=>{
if(!pulling) return; pulling=false;
if(pull>60) doRefresh(); else applyPull(0);
});
function doRefresh(){
refreshing=true; spin.classList.add('spin');
list.style.transform='translateY(70px)';
setTimeout(()=>{
spin.classList.remove('spin');
const el=document.createElement('div'); el.className='item new'; el.textContent='New item';
list.insertBefore(el, list.firstChild);
list.style.transform='translateY(0)';
setTimeout(()=>{ el.classList.remove('new'); refreshing=false; pull=0; },900);
},900);
}
async function autoSeq(){
while(fxAuto){
if(!refreshing){
const topX=innerWidth/2;
fxX=topX; fxY=innerHeight*0.12; fxDot.style.transform='translate('+fxX+'px,'+fxY+'px)';
await fxWait(500); if(!fxAuto) break;
const steps=16;
for(let i=1;i<=steps;i++){
if(!fxAuto) break;
const v=i*6;
applyPull(v);
fxY=innerHeight*0.12+v; fxDot.style.transform='translate('+fxX+'px,'+fxY+'px)';
await new Promise(res=>requestAnimationFrame(res));
}
if(!fxAuto) break;
doRefresh();
await fxWait(2200);
} else { await fxWait(200); }
}
}
autoSeq();