:root{--bg:#f4f5f7;--card:#fff;--ink:#1f2a37;--muted:#6b7280;--line:#e5e7eb;--acc:#c0392b;--acc2:#1f2a37;--ok:#15803d;--warn:#b45309;--r:12px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);padding-bottom:84px}
a{color:inherit}
.top{position:sticky;top:0;z-index:5;background:var(--acc2);color:#fff;padding:10px 16px;display:flex;align-items:baseline;gap:10px}
.brand{font-weight:700;text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:55%}
.top-title{opacity:.75;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.wrap{max-width:820px;margin:0 auto;padding:12px 16px}
.card{background:var(--card);border-radius:var(--r);padding:14px;margin:0 0 12px;box-shadow:0 1px 2px rgb(0 0 0/.05)}
.card.narrow{max-width:380px;margin:40px auto}
h2,h3{margin:0 0 10px}h3{font-size:17px}
.muted{color:var(--muted);font-size:14px}.right{text-align:right}.center{text-align:center}
.flash{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46;border-radius:10px;padding:10px 12px;margin-bottom:12px}
label{display:block;font-size:13px;color:var(--muted);margin:0 0 10px}
input,select,textarea{display:block;width:100%;margin-top:4px;font:inherit;font-size:16px;color:var(--ink);background:#fff;border:1px solid #d1d5db;border-radius:10px;padding:10px 11px;min-height:44px}
textarea{min-height:60px}
input:focus,select:focus,textarea:focus{outline:2px solid #93c5fd;border-color:#60a5fa}
label.check{display:flex;gap:8px;align-items:center;color:var(--ink);font-size:15px}
label.check input{width:22px;height:22px;min-height:0;margin:0;flex:none}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 10px}.span2{grid-column:1/-1}
.row{display:flex;gap:6px}.row input{flex:1}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:10px 14px;border-radius:10px;border:1px solid #d1d5db;background:#fff;color:var(--ink);font:inherit;font-weight:600;text-decoration:none;cursor:pointer}
.btn.sm{min-height:44px;padding:6px 10px;margin-top:4px;font-size:14px}
.btn.primary{background:var(--acc);border-color:var(--acc);color:#fff}
.btn.danger{color:#b91c1c;border-color:#fecaca;background:#fff}
.btn.big{width:100%;min-height:52px;font-size:17px}
.actions{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 12px;align-items:center}.actions form{margin:0}
.quick{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}
.qbtn{background:var(--card);border-radius:var(--r);padding:14px 10px;text-decoration:none;display:flex;flex-direction:column;gap:2px;box-shadow:0 1px 2px rgb(0 0 0/.06);border-top:3px solid var(--acc)}
.qbtn b{font-size:16px}.qbtn span{font-size:12px;color:var(--muted)}.qbtn.alt{border-top-color:var(--acc2)}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:12px}
.stats div{background:var(--card);border-radius:var(--r);padding:12px;display:flex;flex-direction:column}
.stats small{color:var(--muted)}.stats b{font-size:20px}.stats span{font-size:12px;color:var(--muted)}
.li{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:11px 2px;border-bottom:1px solid var(--line);text-decoration:none}
.li:last-child{border-bottom:0}.li small{color:var(--muted)}.li b{white-space:nowrap}
.menu .li{font-size:17px;padding:15px 2px}
.more{display:block;margin-top:8px;font-size:14px;color:var(--acc);text-decoration:none}
.tag{font-style:normal;font-size:11px;padding:2px 7px;border-radius:99px;background:#eef2ff;color:#3730a3;margin-left:4px;white-space:nowrap}
.tag.ok{background:#dcfce7;color:#166534}.tag.no{background:#fef3c7;color:#92400e}.tag.t{background:#f3f4f6;color:#374151}
.warn{color:var(--warn)}.neg{color:#b91c1c}.pos{color:var(--ok)}
.filters{display:flex;gap:8px;margin-bottom:10px;flex-wrap:wrap}.filters input[name=q]{flex:2 1 200px}.filters select,.filters input[type=month]{flex:1 1 140px}
.filters input,.filters select{margin:0}
/* przełączniki */
.seg{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 12px}
.seg label{margin:0;color:var(--ink)}.seg input{position:absolute;opacity:0;width:0;height:0;min-height:0}
.seg span{display:inline-block;padding:9px 12px;border-radius:99px;background:#fff;border:1px solid #d1d5db;font-size:14px;font-weight:600;cursor:pointer}
.seg input:checked+span{background:var(--acc2);color:#fff;border-color:var(--acc2)}
.seg input:disabled+span{opacity:.5}
.seg.small span{padding:6px 10px;font-size:13px}
/* pozycje */
.item{border:1px solid var(--line);border-radius:10px;padding:10px;margin-bottom:8px;background:#fafafa}
.i-name{margin-top:0;font-weight:600}
.i-row{display:grid;grid-template-columns:1fr .8fr 1.3fr 1fr 44px;gap:6px;align-items:end;margin-top:6px}
.i-row label{margin:0}
.i-del{height:44px;border:0;background:#fee2e2;color:#b91c1c;border-radius:10px;font-size:18px;cursor:pointer}
.i-info{font-size:12px;color:var(--muted);margin-top:4px;min-height:1em}
.totals{margin-top:10px;font-size:15px;text-align:right}.totals b{font-size:20px}
.sticky-save{position:sticky;bottom:76px;z-index:4;padding:6px 0;margin-bottom:12px}
.kor-info{background:#fff7ed;border:1px solid #fed7aa;border-radius:10px;padding:10px 12px;margin-bottom:12px;font-size:14px}
.file{position:relative;border:2px dashed #cbd5e1;border-radius:12px;padding:20px;text-align:center;color:var(--ink);font-weight:600;background:#f8fafc}
.file input{position:absolute;inset:0;opacity:0;cursor:pointer;min-height:0}
.logo-prev{max-width:200px;max-height:120px;display:block;margin-bottom:8px}
.pitem{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-bottom:1px solid var(--line)}
.pitem.done{opacity:.6}.pitem label.check{margin-top:10px}.pi-body{flex:1}.pi-body input{margin-top:0;font-weight:600}.pi-body small{display:block;color:var(--muted);margin:4px 0}
/* udostępnianie */
.share-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.sbtn{margin:0;min-height:52px;line-height:1.2;border-radius:10px;border:0;font:inherit;font-size:14px;font-weight:600;text-decoration:none;display:flex;align-items:center;justify-content:center;text-align:center;cursor:pointer;background:#f3f4f6;color:var(--ink);padding:4px}
.sbtn.wa{background:#25d366;color:#fff}.sbtn.ms{background:#0084ff;color:#fff}.sbtn.sms{background:#4b5563;color:#fff}.sbtn.mail{background:#e5e7eb}
.sbtn.print{background:var(--acc);color:#fff}
.qr-big{display:flex;flex-direction:column;align-items:center;padding:14px 0 4px;gap:6px}
.qr-big svg{display:block}
.ksef-st{font-size:13px;color:var(--muted);padding:0 4px}
/* dolna nawigacja */
nav.bottom{position:fixed;left:0;right:0;bottom:0;z-index:6;background:#fff;border-top:1px solid var(--line);display:flex;justify-content:space-around;padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
nav.bottom a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;text-decoration:none;color:var(--muted);font-size:11px;padding:4px 0}
nav.bottom svg{width:24px;height:24px}
nav.bottom a.on{color:var(--acc)}
nav.bottom a.plus svg{background:var(--acc);color:#fff;border-radius:50%;padding:6px;width:40px;height:40px;margin-top:-16px;box-shadow:0 2px 6px rgb(0 0 0/.25)}
/* ======= dokument A4 ======= */
.preview{overflow-x:auto;margin:0 -16px;padding:0 16px 16px}
.sheet{background:#fff;color:#111;width:100%;max-width:794px;min-width:640px;margin:0 auto;padding:36px 40px;font:12px/1.35 Arial,Helvetica,sans-serif;box-shadow:0 1px 4px rgb(0 0 0/.12)}
.sheet h1{font-size:22px;margin:0 0 10px}
.sh-head{display:flex;justify-content:space-between;gap:20px}
.meta th{text-align:left;padding:0 8px 0 0;font-weight:700}.meta td{padding:0}.meta{border-collapse:collapse}
.logo-box{max-width:42%;text-align:right}.logo{max-width:220px;max-height:140px}
.kor-info{font-size:12px}
.sheet .kor-info{margin:14px 0 0}
.parties{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:22px 0 16px}
.party h3{font-size:14px;margin:0 0 4px;border-bottom:1px solid #111;padding-bottom:2px}
.party .acc{display:block;margin-top:4px;word-break:break-all}
.items{width:100%;border-collapse:collapse;margin:4px 0}
.items th{background:#111;color:#fff;font-weight:700;padding:6px 5px;text-align:right;font-size:11px}
.items td{padding:6px 5px;border-bottom:1px solid #bbb;text-align:right;vertical-align:top}
.items .l{text-align:left}
.cap{margin:12px 0 2px;font-size:13px}
.sum{margin:8px 0 0 auto;border-collapse:collapse;min-width:52%}
.sum th,.sum td{padding:4px 6px;text-align:right;border-bottom:1px solid #ddd}.sum th{font-size:11px}
.sum td:first-child{text-align:left}.sum tr.b td{font-weight:700;border-bottom:2px solid #111}
.topay{margin-top:14px;font-size:14px}.topay b{font-size:16px}.topay small{font-size:12px;color:#333}
.notes{margin-top:12px;font-size:12px}
.sign{display:flex;justify-content:space-between;align-items:flex-end;margin-top:40px}
.sign div:first-child{display:flex;flex-direction:column;align-items:center;min-width:220px}
.sign span{min-height:16px;font-weight:700}.sign small{border-top:1px solid #111;padding-top:3px;width:100%;text-align:center;color:#444}
.qr-mini svg{display:block}
.footer{margin-top:18px;border-top:1px solid #ccc;padding-top:6px;font-size:10px;color:#444;text-align:center}
body.public{padding:0;background:#e5e7eb}
.pub-bar{position:sticky;top:0;display:flex;justify-content:space-between;align-items:center;gap:10px;background:#1f2a37;color:#fff;padding:8px 16px;font-weight:700}
body.public .preview{margin:0;padding:16px 8px}
@media (max-width:520px){
  .grid2{grid-template-columns:1fr}.share-grid{grid-template-columns:repeat(2,1fr)}
  .quick{grid-template-columns:repeat(2,1fr)}
  .i-row{grid-template-columns:1fr 1fr 44px}.i-row label:nth-child(3){grid-column:1}.i-row label:nth-child(4){grid-column:2}
  .i-row .i-del{grid-row:1;grid-column:3}
}
@media print{
  @page{size:A4;margin:10mm}
  body{background:#fff;padding:0}
  .top,nav.bottom,.share,.actions,.flash,.pub-bar{display:none!important}
  .wrap{max-width:none;padding:0}.preview{margin:0;padding:0;overflow:visible}
  .sheet{box-shadow:none;padding:0;min-width:0;max-width:none;width:auto}
  .items th{-webkit-print-color-adjust:exact;print-color-adjust:exact}
}