:root{
  --bg:#eef0f2; --surface:#ffffff; --ink:#161a20; --muted:#6a7480;
  --line:#dee2e7; --line-strong:#c4ccd3;
  --accent:#16715a; --accent-2:#0f4d3d; --accent-soft:#e4f0eb;
  --neg:#b23a3a; --pos:#16715a;
  --warn-bg:#fbf3e2; --warn-line:#e7c98a; --warn-ink:#8a5a12;
  --radius:8px;
  --mono:ui-monospace,"SF Mono","Cascadia Mono","Roboto Mono",Menlo,Consolas,monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);
  font-size:15px;line-height:1.5;
}
.tab-nums{font-variant-numeric:tabular-nums}

/* ---- Topbar ---- */
.topbar{
  display:flex;align-items:center;gap:24px;
  background:var(--surface);border-bottom:1px solid var(--line);
  padding:0 24px;height:58px;position:sticky;top:0;z-index:10;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:600}
.brand-mark{
  display:grid;place-items:center;width:28px;height:28px;border-radius:6px;
  background:var(--accent);color:#fff;font-weight:700;
}
.brand-name{letter-spacing:.2px}
.mainnav{display:flex;gap:4px;margin-left:8px}
.mainnav a{
  padding:8px 12px;border-radius:6px;color:var(--muted);text-decoration:none;
  font-weight:500;font-size:14px;
}
.mainnav a:hover{color:var(--ink);background:#f1f3f5}
.mainnav a.is-active{color:var(--accent-2);background:var(--accent-soft)}
.userbox{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:13px}
.user-name{font-weight:600}
.user-role{color:var(--muted);border:1px solid var(--line);border-radius:99px;padding:1px 8px;font-size:11px}

/* ---- Layout ---- */
.wrap{max-width:1080px;margin:32px auto;padding:0 24px}
.footer{max-width:1080px;margin:24px auto 40px;padding:0 24px;color:var(--muted);font-size:12px}

h1{font-size:22px;margin:0 0 4px;letter-spacing:-.2px}
h2{font-size:16px;margin:28px 0 12px}
.sub{color:var(--muted);margin:0 0 24px}

/* ---- Cards ---- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card + .card{margin-top:18px}
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
@media(max-width:760px){.grid-3{grid-template-columns:1fr}}

.stat{display:flex;flex-direction:column;gap:6px}
.stat .label{color:var(--muted);font-size:13px}
.stat .value{font-size:26px;font-weight:600;font-variant-numeric:tabular-nums}

/* ---- Forms ---- */
label{display:block;font-size:13px;color:var(--muted);margin:0 0 5px}
input[type=text],input[type=password],input[type=number],select{
  width:100%;padding:9px 11px;border:1px solid var(--line-strong);border-radius:6px;
  font:inherit;background:#fff;color:var(--ink);
}
input:focus,select:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}
.field{margin-bottom:14px}
.row{display:flex;gap:14px;flex-wrap:wrap}
.row > *{flex:1;min-width:140px}

.btn{
  display:inline-block;border:1px solid var(--accent);background:var(--accent);color:#fff;
  padding:9px 16px;border-radius:6px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;
}
.btn:hover{background:var(--accent-2);border-color:var(--accent-2)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{background:#f1f3f5;color:var(--ink)}
.btn-sm{padding:5px 11px;font-size:13px}

/* ---- Auth ---- */
.auth-shell{min-height:100vh;display:grid;place-items:center;padding:24px}
.auth-card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;padding:30px}
.auth-card h1{font-size:19px;margin-bottom:18px}
.auth-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:9px;
  background:var(--accent);color:#fff;font-weight:700;font-size:20px;margin-bottom:16px}

/* ---- Flash & notes ---- */
.flash{padding:11px 14px;border-radius:6px;margin-bottom:18px;font-size:14px;border:1px solid}
.flash-ok{background:var(--accent-soft);border-color:#bfe0d3;color:var(--accent-2)}
.flash-err{background:#fbe7e7;border-color:#eac4c4;color:var(--neg)}
.note{background:var(--warn-bg);border:1px solid var(--warn-line);color:var(--warn-ink);
  padding:12px 14px;border-radius:6px;font-size:13px}
.note strong{color:var(--warn-ink)}

/* ---- Ledger tables ---- */
table.ledger{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
.ledger th{text-align:left;font-size:12px;color:var(--muted);font-weight:600;
  padding:8px 10px;border-bottom:1px solid var(--line-strong);text-transform:uppercase;letter-spacing:.4px}
.ledger td{padding:7px 10px;border-bottom:1px solid var(--line)}
.ledger td.num,.ledger th.num{text-align:right;font-family:var(--mono);white-space:nowrap}
.ledger tr:hover td{background:#fafbfc}
.ledger .konto{font-family:var(--mono);color:var(--muted)}
.ledger tr.sum td{font-weight:700;border-top:1px solid var(--line-strong);background:#f7f9f9}
.ledger tr.sum td:first-child{box-shadow:inset 3px 0 0 var(--accent)}
.ledger tr.result td{font-weight:700;background:var(--accent-soft)}
.delta-pos{color:var(--pos)}
.delta-neg{color:var(--neg)}
.muted{color:var(--muted)}
.right{text-align:right}

details.diag{margin-top:16px}
details.diag summary{cursor:pointer;color:var(--muted);font-size:13px}

/* ---- 2FA secret ---- */
.secret{font-family:var(--mono);font-size:18px;letter-spacing:2px;background:#f5f7f8;
  border:1px dashed var(--line-strong);border-radius:6px;padding:12px;text-align:center;margin:10px 0}
.uri{word-break:break-all;font-family:var(--mono);font-size:11px;color:var(--muted)}
.qr{display:flex;justify-content:center;margin:6px 0 12px}
.qr img{width:240px;height:240px;image-rendering:pixelated;border:1px solid var(--line);border-radius:8px;background:#fff}
.manual{margin-bottom:14px}
ol.steps{padding-left:18px;margin:0 0 16px}
ol.steps li{margin-bottom:6px}