/* Tréningová kasa — vzhľad (prevzatý z pôvodnej stránky) */
html{-webkit-text-size-adjust:100%}
body{margin:0;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);padding-left:env(safe-area-inset-left,0px);padding-right:env(safe-area-inset-right,0px)}
[hidden]{display:none!important}
/* Layout: one narrow phone-first column — settlement on top, two punch cards (permanentky), quick entry, history. */
:root{
  /* Burgundy & Dirty Olive */
  --bg:#dcd6a2; --surface:#eeeacb; --ink:#3b0d1f; --muted:#5f4b3c; --line:#b9b27a;
  --a:#7a1f45; --b:#7e7a1e; --a-soft:#e9c9d4; --b-soft:#e3e0a8; --warn:#9c3412; --ok:#4c6b12;
  --display:"Familjen Grotesk","Helvetica Neue",Arial,sans-serif;
  --body:"Figtree",system-ui,-apple-system,"Segoe UI",sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#1c1215; --surface:#28191e; --ink:#ebe5c0; --muted:#b1a989; --line:#46323a;
  --a:#d3739b; --b:#bdb84e; --a-soft:#4a2232; --b-soft:#3d3b1a; --warn:#e8935a; --ok:#b9c46a; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#1c1215; --surface:#28191e; --ink:#ebe5c0; --muted:#b1a989; --line:#46323a;
  --a:#d3739b; --b:#bdb84e; --a-soft:#4a2232; --b-soft:#3d3b1a; --warn:#e8935a; --ok:#b9c46a; color-scheme:dark}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.45}
.wrap{max-width:720px;margin:0 auto;padding-inline:16px;padding-block:20px 48px;display:flex;flex-direction:column;gap:18px}
h1,h2,h3{font-family:var(--display);margin:0;text-wrap:balance;letter-spacing:-.01em}
h1{font-size:1.7rem;font-weight:700}
h2{font-size:1.1rem;font-weight:600}
.eyebrow{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600}
.muted{color:var(--muted)}
.num{font-variant-numeric:tabular-nums}
.top{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap}
.who{display:flex;gap:10px;flex-wrap:wrap;font-size:.85rem}
.dot{display:inline-block;width:10px;height:10px;border-radius:50%;vertical-align:-1px;margin-right:5px}
.da{background:var(--a)} .db{background:var(--b)}
.banner{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:10px 12px;font-size:.88rem}
.banner.warn{border-color:var(--warn);color:var(--warn)}

.settle{background:var(--ink);color:var(--bg);border-radius:16px;padding:18px;display:flex;flex-direction:column;gap:12px}
.settle .eyebrow{color:inherit;opacity:.7}
.settle .big{font-family:var(--display);font-size:1.45rem;font-weight:600;line-height:1.25}
.settle .amt{font-size:2.4rem;font-weight:700;font-family:var(--display);line-height:1}
.settle p{margin:0;opacity:.85;font-size:.9rem}
.tablewrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:.86rem}
th,td{padding:5px 0;text-align:right;font-variant-numeric:tabular-nums}
th:first-child,td:first-child{text-align:left;font-weight:400;opacity:.8}
thead th{font-weight:600}
tr.total td{border-top:1px solid currentColor;font-weight:600;opacity:1}
.ca{color:var(--a-soft)} .cb{color:var(--b-soft)}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px;display:flex;flex-direction:column;gap:10px;min-width:0}
.card-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.left{font-family:var(--display);font-weight:700;font-size:1.6rem;line-height:1}
.left small{font-size:.85rem;font-weight:500;color:var(--muted)}
.slots{display:flex;flex-wrap:wrap;gap:7px}
.slot{width:26px;height:26px;border-radius:50%;border:2px dashed var(--line);box-sizing:border-box}
.slot.sa{background:var(--a);border:0}
.slot.sb{background:var(--b);border:0}
.slot.sab{background:linear-gradient(90deg,var(--a) 50%,var(--b) 50%);border:0}
.slot.over{outline:2px solid var(--warn);outline-offset:2px}
.meta{font-size:.82rem;color:var(--muted)}
.warnline{font-size:.82rem;color:var(--warn);font-weight:600}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.tab{font:inherit;font-size:.88rem;font-weight:600;border:1px solid var(--line);background:transparent;color:var(--muted);padding:7px 12px;border-radius:999px;cursor:pointer}
.tab[aria-selected="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
form{display:flex;flex-direction:column;gap:12px}
.field{display:flex;flex-direction:column;gap:5px;min-width:0}
.field>span{font-size:.78rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row>.field{flex:1 1 140px}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg label{border:1px solid var(--line);border-radius:9px;padding:8px 12px;cursor:pointer;font-weight:500;font-size:.92rem;user-select:none}
.seg input:checked+label{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.seg input:focus-visible+label{outline:2px solid var(--a);outline-offset:2px}
input[type=text],input[type=number],input[type=date]{font:inherit;font-size:16px;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:8px 10px;width:100%;box-sizing:border-box;min-width:0}
.btn{font:inherit;font-weight:600;border:0;border-radius:10px;padding:11px 16px;background:var(--ink);color:var(--bg);cursor:pointer;align-self:flex-start}
.btn:disabled{opacity:.45;cursor:default}
button:focus-visible,input:focus-visible{outline:2px solid var(--a);outline-offset:2px}
.hint{font-size:.82rem;color:var(--muted);margin:0}

.hist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.hist li{display:grid;grid-template-columns:5.5rem 1fr auto;gap:4px 10px;padding:10px 0;border-top:1px solid var(--line);align-items:start}
.hist li:first-child{border-top:0}
.hist .d{font-size:.82rem;color:var(--muted);font-variant-numeric:tabular-nums}
.hist .t{min-width:0}
.hist .t b{font-weight:600}
.hist .n{font-size:.82rem;color:var(--muted)}
.hist .c{text-align:right;font-variant-numeric:tabular-nums;font-size:.88rem}
.chip{display:inline-block;font-size:.72rem;font-weight:600;padding:1px 7px;border-radius:999px;border:1px solid var(--line);margin-right:4px;vertical-align:1px}
.del{font:inherit;font-size:.75rem;background:none;border:0;color:var(--muted);cursor:pointer;padding:2px 0;text-decoration:underline}
.del.armed{color:var(--warn);font-weight:600}
details summary{cursor:pointer;font-weight:600;font-size:.9rem}
details[open] summary{margin-bottom:10px}
.rules{font-size:.85rem;color:var(--muted);margin:0;padding-left:18px}
@media (max-width:420px){.hist li{grid-template-columns:4.6rem 1fr}.hist .c{grid-column:2;text-align:left}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
</style>
    '<title>Tréningová kasa</title>\n'+FONTS+'\n<style id="css">'+css+'</style>\n<div id="root"></div>\n<script type="application/json" id="state">'+data+'<\/script>\n<script id="app">'+js+'<\/script></body></html>';
}

function act(fn){
  if(busy||mode==='ro'||mode==='connecting')return;
  var prev=JSON.stringify(S);fn();msg='';pendingDel=null;
  if(mode==='local'){render();return}
  busy=true;render();
  art.publish(buildHtml()).then(function(){busy=false},function(e){
    busy=false;var code=e&&e.code;
    if(code==='conflict'){msg='Medzitým uložil zmenu niekto iný. Načítavam aktuálnu verziu, ak tvoja zmena chýba, zapíš ju znova.';render();return}
    S=JSON.parse(prev);
    if(['not_writer','not_granted','consent_required','capability_disabled','capability_removed','not_declared'].indexOf(code)>=0){mode='ro';msg=''}
    else if(code==='rate_limited')msg='Veľa ukladaní naraz. Počkaj chvíľu a skús znova.';
    else msg='Uloženie zlyhalo ('+(code||'neznáma chyba')+'). Skús to znova.';
    render();
  });
}

function val(name){var el=root.querySelector('input[name="'+name+'"]:checked');return el?el.value:null}
function v(id){return document.getElementById(id).value}

root.addEventListener('click',function(e){
  var t=e.target.closest('[data-tab]');if(t){tab=t.getAttribute('data-tab');render();return}
  var d=e.target.closest('[data-del]');if(d&&!d.disabled){var key=d.getAttribute('data-del');
    if(pendingDel!==key){pendingDel=key;clearTimeout(delTimer);delTimer=setTimeout(function(){pendingDel=null;render()},4000);render();return}
    var p=key.split(':'),list=p[0]==='t'?'trainings':p[0]==='p'?'payments':'transfers';
    act(function(){S[list]=S[list].filter(function(x){return x.id!==p[1]})});}
});
root.addEventListener('change',function(e){
  if(e.target.name==='pay-acc'){var d=ACC[e.target.value];document.getElementById('pay-amount').value=d.amount;document.getElementById('pay-sessions').value=d.sessions}
});
root.addEventListener('submit',function(e){
  e.preventDefault();var f=e.target.id;
  if(f==='f-tr'){var rec={id:uid(),date:v('tr-date'),account:val('tr-acc'),who:val('tr-who'),note:v('tr-note').trim()};act(function(){S.trainings.push(rec)})}
  else if(f==='f-pay'){var a=parseFloat(v('pay-amount')),n=parseInt(v('pay-sessions'),10);if(!(a>0&&n>0))return;
    var p={id:uid(),date:v('pay-date'),account:val('pay-acc'),payer:val('pay-payer'),amount:a,sessions:n};act(function(){S.payments.push(p)})}
  else if(f==='f-x'){var am=parseFloat(v('x-amount'));if(!(am>0))return;var fr=val('x-from');
    var x={id:uid(),date:v('x-date'),from:fr,to:other(fr),amount:am};act(function(){S.transfers.push(x)})}
  else if(f==='f-names'){var na=v('name-a').trim(),nb=v('name-b').trim();if(!na||!nb)return;act(function(){S.names={a:na,b:nb}})}
});

render();
(function(){
  try{
    if(!window.claude||!window.claude.use){mode='local';render();return}
    window.claude.use('artifact').then(function(ns){art=ns;mode=ns?'rw':'local';render()},function(){mode='local';render()});
  }catch(e){mode='local';render()}
})();
})();

/* Prihlásenie PIN-om a nastavenia */
.lock{max-width:360px;width:100%;margin:8vh auto 0;display:flex;flex-direction:column;gap:14px}
.lock .btn{align-self:stretch}
input[type=password]{font:inherit;font-size:22px;letter-spacing:.3em;text-align:center;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:10px;width:100%;box-sizing:border-box;min-width:0}
input[type=password]:focus-visible{outline:2px solid var(--a);outline-offset:2px}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.settings{display:flex;flex-direction:column;gap:18px}

/* Box Tento cyklus */
.settle .cyc{display:flex;gap:14px;flex-wrap:wrap;font-size:.9rem;font-weight:600}
.settle .dot{box-shadow:0 0 0 1.5px var(--bg)}

/* Nadpis */
.h1sub{font-weight:600;font-size:.62em;color:var(--muted);letter-spacing:0}

/* Rýchly zápis tréningu */
.quick{display:flex;flex-direction:column;gap:12px}
.qhead{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.qhead input[type=date]{width:auto}
.qbtns{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.qb{font:inherit;font-weight:600;font-size:.95rem;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:14px 8px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;-webkit-tap-highlight-color:transparent}
.qb:active{transform:scale(.97)}
.qb:disabled{opacity:.5;cursor:default}
.qb .slot{width:22px;height:22px}
.link{font:inherit;font-size:.88rem;font-weight:600;background:none;border:0;color:var(--muted);text-decoration:underline;cursor:pointer;padding:4px 0;align-self:flex-start}
.quick .hint{margin:0}
@media (max-width:360px){.qbtns{grid-template-columns:1fr}.qb{flex-direction:row;justify-content:center}}

/* Tlačidlá s potvrdením */
.btn.armed{background:var(--warn);color:#fff}
.btn.light{background:var(--bg);color:var(--ink)}
.btn.light.armed{background:var(--warn);color:#fff}
.card .btn{margin-top:2px}