:root{
  /* one light world, kept gentle: nothing is pure white or pure black */
  --paper:#EEF2EF; --panel:#FBFCFB; --panel2:#E6ECE7; --ink:#1F2B26; --dim:#566761;
  --rule:#D9E1DB; --brass:#7C5E18; --brass-bg:#F5EEDD; --felt:#266B4C; --felt-bg:#E3F0E8;
  --claret:#9B4034; --claret-bg:#F8E8E5; --slate:#54666D;
  --r:9px; --shadow:0 1px 1px rgba(31,43,38,.035),0 4px 14px rgba(31,43,38,.045);
}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:"IBM Plex Sans",ui-sans-serif,system-ui,sans-serif;font-size:14px;line-height:1.45}
h1,h2,h3,.disp{font-family:Chivo,"IBM Plex Sans",sans-serif;margin:0;letter-spacing:-.01em;text-wrap:balance}
h1{font-size:19px;font-weight:700}
h2{font-size:11px;font-weight:600;letter-spacing:.11em;text-transform:uppercase;color:var(--dim)}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brass);outline-offset:2px;border-radius:5px}
.mono,.n{font-family:"IBM Plex Mono",ui-monospace,monospace;font-variant-numeric:tabular-nums}

/* shell */
.app{display:grid;grid-template-columns:196px 1fr;min-height:100vh}
.app>*{min-width:0}
.rail{background:var(--panel);border-right:1px solid var(--rule);padding:12px 9px 22px;position:sticky;top:0;
  height:100vh;overflow-y:auto;display:flex;flex-direction:column;gap:1px}
.mark{display:flex;align-items:center;gap:8px;padding:3px 7px 12px;font-family:Chivo;font-weight:700}
.ball{width:17px;height:17px;border-radius:50%;flex:none;
  background:radial-gradient(circle at 33% 30%,#fff 0 16%,var(--felt) 46%,#0d3d29 100%)}
.glbl{font-size:9.5px;letter-spacing:.15em;text-transform:uppercase;color:var(--dim);margin:13px 9px 4px;font-weight:600}
.rail button{display:flex;justify-content:space-between;gap:6px;width:100%;background:none;border:0;text-align:left;
  padding:6px 9px;border-radius:7px;cursor:pointer;font-size:13.5px}
.rail button:hover{background:var(--panel2)}
.rail button[aria-current="true"]{background:var(--brass-bg);color:var(--brass);font-weight:600}
.rail .lk{font-size:9.5px;color:var(--dim);align-self:center}

.top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:10px 18px;background:var(--panel);
  border-bottom:1px solid var(--rule);position:sticky;top:0;z-index:8}
.top .grow{flex:1}
.pill{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--rule);background:var(--panel2);
  border-radius:99px;padding:4px 10px;font-size:12.5px}
.pill select,.pill input{background:none;border:0;font-size:12.5px}
.shiftdot{width:7px;height:7px;border-radius:50%;background:var(--claret)}
.shiftdot.on{background:var(--felt)}
main{padding:16px 18px 84px;max-width:1400px;min-width:0}
.burger{display:none}

/* blocks */
.card{background:var(--panel);border:1px solid var(--rule);border-radius:var(--r);padding:14px;
  box-shadow:var(--shadow);margin-bottom:14px}
.hd{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-bottom:14px}
.stats>*{min-width:0}
.stat{background:var(--panel);border:1px solid var(--rule);border-radius:var(--r);padding:11px 13px;
  box-shadow:var(--shadow);display:flex;flex-direction:column;gap:2px}
.stat .l{font-size:10px;letter-spacing:.09em;text-transform:uppercase;color:var(--dim);font-weight:600}
.stat .v{font-family:"IBM Plex Mono",monospace;font-size:20px;font-weight:600;letter-spacing:-.02em}
.stat .s{font-size:11.5px;color:var(--dim)}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cols>*{min-width:0}
.cols3{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.cols3>*{min-width:0}

/* tables */
.sc{overflow-x:auto;min-width:0;max-width:100%}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:6px 8px;border-bottom:1px solid var(--rule);text-align:left;white-space:nowrap}
thead th{font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);font-weight:600;
  background:var(--panel);position:sticky;top:0}
td.n,th.n{text-align:right;font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums}
tbody tr:hover{background:var(--panel2)}
tfoot td,tfoot th{border-top:2px solid var(--rule);font-weight:600}
.dim{color:var(--dim)} .pos{color:var(--felt)} .neg{color:var(--claret)}
.doc{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--brass)}
.chip{display:inline-flex;align-items:center;gap:4px;font-size:10.5px;padding:1px 7px;border-radius:99px;
  border:1px solid var(--rule);color:var(--dim);background:var(--panel2);white-space:nowrap}
.chip.ok{color:var(--felt);background:var(--felt-bg);border-color:transparent}
.chip.no{color:var(--claret);background:var(--claret-bg);border-color:transparent}
.chip.wr{color:var(--brass);background:var(--brass-bg);border-color:transparent}

/* forms */
.form{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}
.form{max-width:100%}
.form label{display:flex;flex-direction:column;gap:4px;font-size:10px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--dim);font-weight:600;min-width:0}
.form input,.form select{background:var(--panel2);border:1px solid var(--rule);border-radius:7px;
  padding:7px 9px;min-width:0;max-width:100%;width:100%}
.form .wide{grid-column:span 2}
.form .go{grid-column:1/-1;display:flex;justify-content:flex-end;gap:8px;align-items:center}
.btn{background:var(--felt);color:#fff;border:0;border-radius:8px;padding:8px 14px;font-weight:600;cursor:pointer}
.btn.q{background:var(--brass)}
.btn.stop{background:var(--claret)}
.btn.gh{background:transparent;border:1px solid var(--rule);color:var(--ink)}
.btn.sm{padding:3px 9px;font-size:12px;border-radius:6px}
.btn.big{padding:13px 16px;font-size:15px;width:100%}
.tin{width:92px;padding:4px 7px;border-radius:6px;border:1px solid var(--rule);background:var(--panel2);
  font-family:"IBM Plex Mono",monospace;text-align:right}

/* exceptions */
.exc{display:flex;gap:10px;align-items:flex-start;padding:9px 0;border-bottom:1px solid var(--rule)}
.exc:last-child{border-bottom:0}
.exc .mk{width:6px;border-radius:3px;align-self:stretch;flex:none}
.exc .bd{flex:1;min-width:0}
.exc .bd b{display:block;font-size:13.5px}
.exc .bd span{color:var(--dim);font-size:12.5px}
.check{display:flex;gap:9px;align-items:flex-start;padding:8px 0;border-bottom:1px solid var(--rule);font-size:13.5px}
.check:last-child{border-bottom:0}
.check input{width:auto;margin-top:3px}
.check span{color:var(--dim);font-size:12.5px;display:block}

/* ledger view */
.led{display:grid;grid-template-columns:1fr;gap:2px;font-family:"IBM Plex Mono",monospace;font-size:12.5px}
.led .row{display:grid;grid-template-columns:1fr 92px 92px;gap:8px;padding:3px 0;border-bottom:1px dashed var(--rule)}
.led .row.cr span:first-child{padding-left:18px;color:var(--dim)}
.bar{height:8px;border-radius:4px;background:var(--panel2);overflow:hidden}
.bar i{display:block;height:100%}
.mixrow{display:grid;grid-template-columns:112px 1fr 80px 40px;gap:8px;align-items:center;padding:4px 0;font-size:13px}
.note{color:var(--dim);font-size:12.5px;margin:9px 0 0;max-width:70ch}
.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%) translateY(150%);background:var(--ink);
  color:var(--paper);padding:9px 16px;border-radius:99px;font-size:13.5px;z-index:50;transition:transform .2s;
  box-shadow:var(--shadow);max-width:92vw}
.toast.show{transform:translateX(-50%) translateY(0)}
.modal{position:fixed;inset:0;background:rgba(8,12,13,.55);display:none;place-items:center;z-index:60;padding:14px}
.modal.on{display:grid}
.sheet{background:var(--panel);border:1px solid var(--rule);border-radius:12px;padding:16px;width:min(520px,96vw);
  max-height:88vh;overflow:auto;box-shadow:var(--shadow)}
.locked{padding:34px 14px;text-align:center;color:var(--dim)}
.locked b{display:block;font-family:Chivo;font-size:16px;color:var(--ink);margin-bottom:5px}
.tabs{display:flex;gap:6px;margin-bottom:10px;flex-wrap:wrap}
.tabs button{background:var(--panel2);border:1px solid var(--rule);border-radius:99px;padding:4px 11px;
  font-size:12.5px;cursor:pointer}
.tabs button[aria-current="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.tabbar{display:none}
@media (max-width:900px){
  .app{grid-template-columns:1fr}
  .rail{position:fixed;inset:46px auto 0 0;width:215px;z-index:30;transform:translateX(-106%);transition:transform .18s}
  .rail.open{transform:none;box-shadow:0 0 0 100vmax rgba(0,0,0,.45)}
  .burger{display:inline-flex;background:none;border:1px solid var(--rule);border-radius:8px;padding:4px 9px;cursor:pointer}
  .cols{grid-template-columns:1fr}
  main{padding:12px 11px 78px}
  .form{grid-template-columns:1fr 1fr}.form .wide{grid-column:1/-1}
  .tabbar{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;z-index:25;
    background:var(--panel);border-top:1px solid var(--rule)}
  .tabbar button{background:none;border:0;padding:9px 2px 11px;font-size:11px;color:var(--dim);cursor:pointer}
  .tabbar button[aria-current="true"]{color:var(--brass);font-weight:700}
  input,select{font-size:16px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}


/* ghost buttons stay readable in both themes, whatever sits behind them */
.btn.gh{color:var(--ink);background:transparent}
.btn.gh:hover{background:var(--panel2);border-color:var(--dim)}
.tabs .btn.gh{color:var(--ink)}

/* server-rendered variants of the demo controls */
.rail a.railbtn{display:block;padding:6px 9px;border-radius:7px;font-size:13.5px;color:var(--ink);text-decoration:none}
.rail a.railbtn:hover{background:var(--panel2)}
.rail a.railbtn.on{background:var(--brass-bg);color:var(--brass);font-weight:600}
.tabbar a{padding:9px 2px 11px;text-align:center;color:var(--dim);font-size:11px;text-decoration:none}
.tabbar a.on{color:var(--brass);font-weight:700}
a{color:var(--brass)}
main{display:block}
.exc .bd b{display:block;font-size:13.5px}

/* --- brand mark ---------------------------------------------------------- */
.mark{display:flex;align-items:center;gap:10px;padding:3px 7px 14px}
.brandmark{display:inline-flex;align-items:center;line-height:1}
.brandmark img{height:26px;width:auto;display:block}
.brandmark.big img{height:38px}
.wordmark{flex-direction:column;align-items:flex-start;gap:2px}
.wordmark b{font-family:Chivo,sans-serif;font-weight:700;font-size:20px;letter-spacing:-.02em;
  line-height:1;color:var(--ink)}
.wordmark i{font-style:normal;font-size:7px;letter-spacing:.22em;color:var(--dim);font-weight:600}
.wordmark.big b{font-size:30px} .wordmark.big i{font-size:8.5px;letter-spacing:.26em}
.markword{font-family:Chivo,sans-serif;font-weight:600;font-size:13px;color:var(--dim);
  align-self:flex-end;padding-bottom:2px}