/* Invoice Check — FApex "Carbon Gradient" back-office look (variables + components copied from the
   FApex repo, trimmed to what this app uses). Semantic colours keep their meaning:
   green = matches, amber = check this, red = problem, blue = needs you, grey = info. */
:root{
  --bg:#060509; --bg2:#0e0c14; --panel:#120f1a; --panel2:#191424; --line:#272033;
  --text:#f2eefc; --muted:#9d93b5; --accent:#c084fc; --accent2:#e0b3ff;
  --g1:#1a8fc4; --g2:#9333ea; --g3:#f43f7f;
  --grad:linear-gradient(135deg,var(--g1),var(--g2) 55%,var(--g3));
  --green:#2ee6a6; --amber:#ffc233; --red:#ff4d6d; --blue:#4da3ff; --pink:#ff5ca8; --purple:#a78bfa;
  --radius:14px; --shadow:0 10px 30px rgba(0,0,0,.5);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{background:radial-gradient(1000px 600px at 78% -12%,#1c1030 0,var(--bg) 52%) fixed;color:var(--text);
  font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
[hidden]{display:none!important}
button{font:inherit;cursor:pointer;border:0;border-radius:10px;padding:9px 14px;background:var(--panel2);color:var(--text);transition:transform .12s ease,background .2s ease,box-shadow .2s ease}
button:hover{background:#221b30}
button:active{transform:scale(.96)}
button:disabled{opacity:.45;cursor:not-allowed;transform:none}
button.primary{background:var(--grad);color:#fff;font-weight:700}
button.primary:hover{box-shadow:0 6px 20px rgba(147,51,234,.45)}
button.ghost{background:transparent;border:1px solid var(--line)}
button.danger{background:rgba(255,77,109,.15);color:var(--red);border:1px solid rgba(255,77,109,.35)}
button.ok{background:rgba(46,230,166,.14);color:var(--green);border:1px solid rgba(46,230,166,.35)}
button.sm{padding:5px 10px;font-size:12.5px;border-radius:8px}
input,select,textarea{font:inherit;background:var(--bg2);color:var(--text);border:1px solid var(--line);border-radius:10px;padding:9px 11px;outline:none;max-width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--accent)}
textarea{min-height:70px;resize:vertical;width:100%}
label.f{display:flex;flex-direction:column;gap:5px;font-size:12.5px;color:var(--muted);font-weight:600}
label.f input,label.f select,label.f textarea{color:var(--text);font-weight:400;font-size:14px}
label.chk{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text);cursor:pointer}
.spin{width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin:40px auto}
.boot{display:grid;place-items:center;min-height:60vh}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pop{0%{transform:scale(.96);opacity:0}100%{transform:scale(1);opacity:1}}
@keyframes slideup{from{transform:translateY(14px);opacity:0}to{transform:translateY(0);opacity:1}}
@keyframes faGlow{0%,100%{filter:drop-shadow(0 0 5px rgba(147,51,234,.35))}50%{filter:drop-shadow(0 0 12px rgba(244,63,127,.6))}}

/* shell */
.app{display:grid;grid-template-columns:230px 1fr;min-height:100vh}
.side{background:linear-gradient(180deg,var(--bg2),#0a0710);border-right:1px solid var(--line);padding:18px 14px;display:flex;flex-direction:column;gap:3px;position:sticky;top:0;height:100vh;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--line) transparent}
.side>*{flex:none}
.side::-webkit-scrollbar{width:6px}.side::-webkit-scrollbar-thumb{background:var(--line);border-radius:6px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;margin:6px 8px 18px}
.brand .falogo{width:42px;height:42px;flex:none;object-fit:contain;animation:faGlow 2.8s ease-in-out infinite}
.brand .wm{display:inline-flex;flex-direction:column;line-height:1.04;letter-spacing:.01em;font-size:15px}
.brand .wm small{font-size:10px;font-weight:600;color:var(--muted);letter-spacing:.03em;margin-top:1px}
.nav{display:flex;align-items:center;gap:11px;padding:8px 12px;border-radius:11px;color:var(--muted);font-weight:600;transition:background .2s,color .2s}
.nav:hover{background:var(--panel)}
.nav.active{background:var(--panel2);color:var(--text)}
.nav .ic{width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;flex:none}
.nav .ic svg{width:19px;height:19px;display:block}
.nav.active .ic{color:var(--accent)}
.nav .navbadge{margin-left:auto;background:var(--red);color:#fff;font-size:10px;font-weight:800;border-radius:999px;padding:1px 7px;min-width:18px;text-align:center}
.side .spacer{flex:1 0 12px}
.side .who{font-size:12px;color:var(--muted);padding:8px 12px;line-height:1.35}
.side .who b{display:block;color:var(--text)}
.main{padding:26px 30px;animation:slideup .35s ease;min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:12px;flex-wrap:wrap}
.h1{font-size:24px;font-weight:800;margin:0}
.sub{color:var(--muted);font-size:13px}
.sec{display:flex;align-items:center;gap:8px;text-transform:uppercase;letter-spacing:.08em;font-size:11.5px;font-weight:700;color:var(--muted);margin:22px 0 10px}
.sec::after{content:'';flex:1;height:1px;background:var(--line)}
.hero{display:flex;align-items:center;gap:20px;background:linear-gradient(135deg,#171025,#0d0a14 60%);border:1px solid var(--line);border-radius:16px;padding:18px 22px;position:relative;overflow:hidden;margin-bottom:16px;flex-wrap:wrap}
.hero img{width:56px;height:56px;object-fit:contain;animation:faGlow 2.8s ease-in-out infinite}
.hero .t{font-size:20px;font-weight:800}
.hero .s{color:var(--muted);font-size:13px}
.gbar{height:3px;background:linear-gradient(90deg,var(--amber),var(--pink));border-radius:2px;margin:6px 0 14px}

/* tiles */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:20px}
.tile{background:linear-gradient(180deg,var(--panel),var(--bg2));border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow);animation:pop .3s ease}
.tile .n{font-size:30px;font-weight:800;line-height:1.1}
.tile .l{color:var(--muted);font-size:12.5px;margin-top:4px}
.tile.hot .n{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.tile.amber .n{color:var(--amber)} .tile.red .n{color:var(--red)} .tile.green .n{color:var(--green)} .tile.blue .n{color:var(--blue)} .tile.purple .n{color:var(--purple)}

/* controls */
.controls{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{padding:7px 13px;border-radius:999px;background:var(--panel);border:1px solid var(--line);color:var(--muted);font-size:13px;font-weight:600;cursor:pointer}
.chip.active{background:var(--grad);color:#fff;border-color:transparent}
.search{flex:1;min-width:180px}

/* cards + tables */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.card.pad{padding:18px 20px}
.card + .card{margin-top:14px}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:10px 13px;border-bottom:1px solid var(--line);font-size:13.5px;vertical-align:top}
th{color:var(--muted);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;position:sticky;top:0;background:var(--panel2);z-index:1}
tbody tr:hover{background:var(--panel2)}
tbody tr.link{cursor:pointer}
.tablescroll{max-height:70vh;overflow:auto}
.right{text-align:right}
.num{font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.small{font-size:12px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px}
.pill{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:700;white-space:nowrap;border:1px solid var(--line);background:var(--bg2);color:var(--muted)}
.pill.red{color:var(--red);border-color:rgba(255,77,109,.5);background:rgba(255,77,109,.1)}
.pill.amber{color:var(--amber);border-color:rgba(255,194,51,.5);background:rgba(255,194,51,.1)}
.pill.green{color:var(--green);border-color:rgba(46,230,166,.5);background:rgba(46,230,166,.1)}
.pill.blue{color:var(--blue);border-color:rgba(77,163,255,.5);background:rgba(77,163,255,.1)}
.pill.grey{color:var(--muted)}
.pill.purple{color:var(--purple);border-color:rgba(167,139,250,.5);background:rgba(167,139,250,.1)}
.pill.done{text-decoration:line-through;opacity:.7}
.badge{background:var(--red);color:#fff;font-size:10px;font-weight:800;border-radius:999px;padding:1px 7px;min-width:18px;display:inline-block;text-align:center}
.delta.up{color:var(--red);font-weight:700}.delta.down{color:var(--green);font-weight:700}.delta.zero{color:var(--muted)}
.row{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px solid var(--line);gap:12px}
.row:last-child{border-bottom:0}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.stack{display:flex;flex-direction:column;gap:12px}
.hstack{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.banner{padding:12px 16px;border-radius:12px;border:1px solid var(--line);background:var(--panel);margin-bottom:12px;display:flex;gap:10px;align-items:flex-start;font-size:13.5px}
.banner.red{border-color:rgba(255,77,109,.5);background:rgba(255,77,109,.08)}
.banner.amber{border-color:rgba(255,194,51,.5);background:rgba(255,194,51,.08)}
.banner.blue{border-color:rgba(77,163,255,.5);background:rgba(77,163,255,.08)}
.banner.green{border-color:rgba(46,230,166,.5);background:rgba(46,230,166,.08)}
.banner b{margin-right:4px}

/* drop zone + verdict */
.drop{border:2px dashed var(--line);border-radius:18px;padding:44px 24px;text-align:center;background:var(--panel);transition:border-color .2s,background .2s;cursor:pointer}
.drop.over{border-color:var(--accent);background:var(--panel2)}
.drop .big{font-size:20px;font-weight:800}
.drop .hint{color:var(--muted);font-size:13px;margin-top:6px}
.drop input{display:none}
.files{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;justify-content:center}
.file{display:inline-flex;gap:8px;align-items:center;padding:8px 12px;border-radius:12px;background:var(--bg2);border:1px solid var(--line);font-size:13px}
.file .k{font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;font-weight:700;color:var(--accent)}
.verdict{border-radius:18px;padding:22px 26px;margin:16px 0;border:1px solid var(--line);display:flex;align-items:center;gap:18px;flex-wrap:wrap;animation:pop .3s}
.verdict .big{font-size:26px;font-weight:800;line-height:1.1}
.verdict .s{color:var(--muted);font-size:13px;margin-top:4px}
.verdict.green{background:rgba(46,230,166,.1);border-color:rgba(46,230,166,.45)}.verdict.green .big{color:var(--green)}
.verdict.amber{background:rgba(255,194,51,.1);border-color:rgba(255,194,51,.45)}.verdict.amber .big{color:var(--amber)}
.verdict.red{background:rgba(255,77,109,.1);border-color:rgba(255,77,109,.45)}.verdict.red .big{color:var(--red)}
.verdict.blue{background:rgba(77,163,255,.1);border-color:rgba(77,163,255,.45)}.verdict.blue .big{color:var(--blue)}
.verdict .actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.totals{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin:12px 0 18px}
.totals div{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.totals .l{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700}
.totals .v{font-size:18px;font-weight:800;margin-top:2px}

/* review rows */
tr.sev-red{background:rgba(255,77,109,.07)} tr.sev-amber{background:rgba(255,194,51,.06)} tr.sev-blue{background:rgba(77,163,255,.07)} tr.sev-green td:first-child{box-shadow:inset 3px 0 0 var(--green)}
tr.pinned{background:rgba(77,163,255,.12)}
.sugg{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
.sugg button{font-size:12px;padding:5px 10px;border:1px solid rgba(77,163,255,.5);background:rgba(77,163,255,.1);color:var(--text)}
.sugg button .sc{color:var(--muted);font-size:10.5px;margin-left:5px}
.flag{border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--bg2);margin-top:6px}
tr.sub td{border-top:0}
.flag .res{max-width:820px}
.flag.resolved{opacity:.75}
.flag .fh{display:flex;justify-content:space-between;gap:8px;align-items:center;flex-wrap:wrap}
.flag .fd{font-size:12.5px;color:var(--muted);margin-top:4px}
.flag .res{margin-top:8px;display:grid;grid-template-columns:1fr 2fr auto;gap:8px;align-items:end}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.docpane{position:sticky;top:20px;max-height:calc(100vh - 40px);overflow:auto}
.docpane iframe,.docpane img{width:100%;border:0;border-radius:12px;background:#fff;min-height:70vh}

/* drawer / modal / toast */
.backdrop{position:fixed;inset:0;background:rgba(4,8,20,.6);z-index:39}
.drawer{position:fixed;top:0;right:0;height:100vh;width:min(520px,94vw);background:var(--bg2);border-left:1px solid var(--line);box-shadow:-20px 0 50px rgba(0,0,0,.5);padding:22px;overflow:auto;z-index:40;animation:slidein .25s ease}
@keyframes slidein{from{transform:translateX(40px);opacity:.4}to{transform:translateX(0);opacity:1}}
.modal{position:fixed;inset:0;display:grid;place-items:center;z-index:41}
.modal .backdrop{z-index:0}
.modal .box{position:relative;z-index:1;width:min(460px,92vw);background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 20px 60px rgba(0,0,0,.6);animation:pop .25s}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--panel2);border:1px solid var(--line);padding:12px 18px;border-radius:12px;box-shadow:var(--shadow);animation:pop .25s;z-index:50;max-width:90vw}
.toast.err{border-color:rgba(255,77,109,.6);color:var(--red)}

/* login */
.login{display:grid;place-items:center;min-height:100vh;padding:16px}
.login .box{width:min(400px,94vw);background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 20px 60px rgba(0,0,0,.6);animation:pop .35s;position:relative;overflow:hidden}
.login .box::before{content:'';position:absolute;top:-70px;left:-70px;width:190px;height:190px;border-radius:50%;background:conic-gradient(from 200deg,var(--g1),var(--g2),var(--g3),transparent 70%);filter:blur(52px);opacity:.3;pointer-events:none}
.loginbrand{text-align:center;margin-bottom:6px;position:relative}
.loginbrand img{max-width:220px;display:block;margin:0 auto 4px}
.loginbrand .by{color:var(--muted);font-size:11.5px;letter-spacing:.04em}
.login h2{margin:10px 0 2px;font-size:22px;position:relative}
.login .f{display:flex;flex-direction:column;gap:11px;margin-top:16px;position:relative}
.err{color:var(--red);font-size:13px;min-height:18px}

/* teach layout */
.teach{position:relative;display:inline-block;max-width:100%}
.teach img{max-width:100%;display:block;border-radius:10px}
.teach .w{position:absolute;border:1px solid rgba(77,163,255,.55);border-radius:2px;cursor:crosshair}
.teach .w:hover{background:rgba(77,163,255,.25)}
.teach .w.desc{background:rgba(46,230,166,.4)}.teach .w.qty{background:rgba(255,194,51,.45)}.teach .w.unit{background:rgba(167,139,250,.45)}.teach .w.total{background:rgba(255,77,109,.45)}.teach .w.code{background:rgba(255,92,168,.45)}
.legend{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}
.legend .chip.desc{border-color:var(--green)}.legend .chip.qty{border-color:var(--amber)}.legend .chip.unit{border-color:var(--purple)}.legend .chip.total{border-color:var(--red)}.legend .chip.code{border-color:var(--pink)}

/* mobile */
.mobnav{display:none}
@media(max-width:860px){
  .app{grid-template-columns:1fr}
  .side{display:none}
  .main{padding:16px 14px 90px}
  .two{grid-template-columns:1fr}
  .docpane{position:static;max-height:none}
  .mobnav{display:flex;position:fixed;bottom:0;left:0;right:0;background:var(--bg2);border-top:1px solid var(--line);padding:6px 8px calc(6px + env(safe-area-inset-bottom));justify-content:space-around;z-index:30}
  .mobnav a{display:flex;flex-direction:column;align-items:center;gap:2px;color:var(--muted);font-size:10.5px;font-weight:700;padding:4px 8px;border-radius:10px}
  .mobnav a.active{color:var(--accent)}
  .mobnav svg{width:20px;height:20px}
  table.cards thead{display:none}
  table.cards tr{display:block;border-bottom:1px solid var(--line);padding:8px 4px}
  table.cards td{display:block;border:0;padding:3px 6px}
  table.cards td[data-l]::before{content:attr(data-l) ': ';color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.05em}
  .flag .res{grid-template-columns:1fr}
  .verdict .actions{margin-left:0}
}
@media print{.side,.mobnav,.verdict .actions,button{display:none!important}.app{display:block}.main{padding:0}body{background:#fff;color:#000}}

/* 2.0 — Open New Check, bundles, results pop-up, cost meters */
select.big{font-size:17px;padding:12px 14px;min-width:min(420px,100%)}
button.big{font-size:16px;padding:13px 22px}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.colhead{font-size:11.5px;text-transform:uppercase;letter-spacing:.08em;font-weight:800;color:var(--accent)}
.files.col{justify-content:flex-start;margin-top:0}
.drop.small{padding:16px 14px;border-radius:12px}
.drop.small .big{font-size:14px;font-weight:700}
.drop.small .hint{font-size:12px;margin-top:2px}
.icard{border-left:4px solid var(--line)}
.icard.green{border-left-color:var(--green)}.icard.red{border-left-color:var(--red)}.icard.amber{border-left-color:var(--amber)}.icard.purple{border-left-color:var(--purple)}
.flag .fix{font-size:12.5px;margin-top:6px;color:var(--amber)}
.meter{height:8px;border-radius:999px;background:var(--bg2);border:1px solid var(--line);overflow:hidden;margin:8px 0 6px}
.meter i{display:block;height:100%;background:var(--green);transition:width .4s}
.meter.amber i{background:var(--amber)}.meter.red i{background:var(--red)}
.card .big{font-size:24px;font-weight:800;margin-top:4px}
.modal .box.wide{width:min(640px,94vw);max-height:86vh;overflow:auto}
.resgroup{margin-top:12px}
.resrow{display:grid;grid-template-columns:28px 1fr auto;gap:10px;align-items:center;padding:9px 10px;border-radius:10px;background:var(--bg2);border:1px solid var(--line);margin-top:6px}
.resrow .mark{font-weight:900;font-size:16px;text-align:center}
.resrow.ok .mark{color:var(--green)}.resrow.bad .mark{color:var(--red)}
.tile.green .v{color:var(--green)}.tile.red .v{color:var(--red)}.tile.purple .v{color:var(--purple)}
tr.click{cursor:pointer}tr.click:hover{background:var(--panel2)}
@media(max-width:860px){.cols{grid-template-columns:1fr}}
html{background:var(--bg)}
.grid2>.card+.card,.grid3>.card+.card{margin-top:0}
/* 2.1 payment progress */
.phases{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:10px}
.phases .amt{font-weight:800;margin-right:6px}
.phases .ph{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:999px;border:1px solid var(--line);font-size:12px;color:var(--muted)}
.phases .ph i{font-style:normal;font-weight:800}
.phases .ph.done{color:var(--text,#fff);border-color:rgba(34,197,94,.55);background:rgba(34,197,94,.12)}
.phases .ph.done i{color:#22c55e}
.phases .ph.wait{border-color:rgba(245,158,11,.55);color:#f59e0b}
.paybox{max-width:720px;margin:28px auto;padding:0 14px}
/* 2.1 Payments page */
.tile.click{cursor:pointer;transition:border-color .2s,transform .15s}
.tile.click:hover{transform:translateY(-1px);border-color:var(--accent)}
.tile.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset,var(--shadow)}
.pager{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-top:12px}
.pager button[disabled]{opacity:.4;cursor:default}
.card.empty{display:flex;flex-direction:column;gap:6px;padding:28px 22px}
.datef{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:12.5px}
.progress-cell .phases{margin-top:0}
.progress-cell .phases .ph{font-size:11.5px;padding:2px 8px}
.search.wide{flex:2 1 320px}