:root{
  --ground:#EDF0F3; --surface:#FFFFFF; --sunk:#F5F7F9;
  --ink:#141E27; --ink2:#4A5A69; --ink3:#8494A2;
  --rule:#D6DDE4; --rule2:#E5EAEF;
  --series:#A8482A; --series-soft:#EBD3C8; --series-ghost:#F6EAE4;
  --band:#C8D2DA; --good:#3E6B4F; --warn:#8C5E12;
  --fat:#A8482A; --lean:#3F6BBF; --fat-soft:#EFD9CF; --lean-soft:#D3DCF2;
  --danger-bg:#8B1E1E; --danger-ink:#FFFFFF;
  --shadow:0 1px 2px rgba(20,30,39,.06),0 8px 24px -12px rgba(20,30,39,.18);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --ground:#0E141A; --surface:#171F27; --sunk:#131A21;
    --ink:#E9EEF3; --ink2:#A6B4C0; --ink3:#76848F;
    --rule:#2A3541; --rule2:#212B35;
    --series:#E08055; --series-soft:#4A2E24; --series-ghost:#2A1E19;
    --band:#38444F; --good:#77AC8A; --warn:#C99A47;
    --fat:#E08055; --lean:#7E9FE8; --fat-soft:#4A2E24; --lean-soft:#242F4A;
    --danger-bg:#B3412F; --danger-ink:#FFFFFF;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px -12px rgba(0,0,0,.6);
  }
}
:root[data-theme="dark"]{
  --ground:#0E141A; --surface:#171F27; --sunk:#131A21;
  --ink:#E9EEF3; --ink2:#A6B4C0; --ink3:#76848F;
  --rule:#2A3541; --rule2:#212B35;
  --series:#E08055; --series-soft:#4A2E24; --series-ghost:#2A1E19;
  --band:#38444F; --good:#77AC8A; --warn:#C99A47;
  --fat:#E08055; --lean:#7E9FE8; --fat-soft:#4A2E24; --lean-soft:#242F4A;
  --danger-bg:#B3412F; --danger-ink:#FFFFFF;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px -12px rgba(0,0,0,.6);
}
*{box-sizing:border-box}
body{background:var(--ground);color:var(--ink);
  font-family:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:15px;line-height:1.55;margin:0;padding-inline:20px;padding-block:20px 64px;
  -webkit-font-smoothing:antialiased}
a{color:var(--series)}
#app{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:22px}
h1,h2,h3{font-family:Bitter,Georgia,serif;text-wrap:balance;margin:0;letter-spacing:-.01em}
h1{font-size:clamp(28px,5vw,40px);font-weight:800;line-height:1.08}
h2{font-size:19px;font-weight:700}
p{margin:0}
.eyebrow{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:11px;font-weight:500;
  letter-spacing:.14em;text-transform:uppercase;color:var(--ink3)}
.muted{color:var(--ink3)}
header{display:flex;flex-direction:column;gap:14px}
.hero{display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px 26px;
  border-top:2px solid var(--ink);padding-top:16px}
.hero-now{display:flex;align-items:baseline;gap:8px}
.hero-now b{font-family:Bitter,Georgia,serif;font-size:clamp(46px,10vw,68px);font-weight:800;
  line-height:.9;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.hero-now span{font-size:17px;color:var(--ink2);font-weight:600}
.hero-meta{display:flex;flex-direction:column;gap:2px;padding-bottom:4px}
.hero-meta .big{font-size:20px;font-weight:700;color:var(--series);font-variant-numeric:tabular-nums}
.hero-meta .sub{font-size:13px;color:var(--ink3)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border:1px solid var(--rule);border-radius:3px;overflow:hidden}
/* Dividers drawn by each tile, so an incomplete last row leaves blank space, not a grey hole. */
.stat{padding:14px 16px;display:flex;flex-direction:column;gap:3px;
  box-shadow:1px 0 0 var(--rule),0 1px 0 var(--rule)}
.stat .k{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink3)}
.stat .v{font-size:23px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.15}
.stat .n{font-size:12.5px;color:var(--ink2)}
.stat .n.ok{color:var(--good);font-weight:600}
.stat .n.hi{color:var(--warn);font-weight:600}
.card{background:var(--surface);border:1px solid var(--rule);border-radius:3px;
  padding:20px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow)}
.card-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px}
.note{font-size:13.5px;color:var(--ink2);max-width:62ch}
.note b{color:var(--ink);font-weight:600}
.chart-wrap{position:relative}
svg{display:block;width:100%;height:auto;overflow:visible}
.gridline{stroke:var(--rule2);stroke-width:1}
.axis-t{fill:var(--ink3);font-family:"IBM Plex Mono",monospace;font-size:10.5px}
.halo{paint-order:stroke;stroke:var(--surface);stroke-width:3px;stroke-linejoin:round}
.pt-lab{fill:var(--ink);font-family:"IBM Plex Sans",sans-serif;font-size:12px;font-weight:700}
.tip{position:absolute;left:0;top:0;pointer-events:none;opacity:0;transition:opacity .1s;
  background:var(--ink);color:var(--ground);padding:7px 10px;border-radius:3px;
  font-size:12px;line-height:1.35;white-space:nowrap;z-index:5;
  font-variant-numeric:tabular-nums;box-shadow:var(--shadow)}
.tip b{font-weight:700}
.legend{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:12.5px;color:var(--ink2)}
.legend i{display:inline-block;width:11px;height:11px;border-radius:2px;
  margin-right:6px;vertical-align:-1px}
.rows{display:flex;flex-direction:column}
.row{display:flex;justify-content:space-between;align-items:baseline;gap:16px;
  padding:9px 0;border-bottom:1px solid var(--rule2)}
.row:last-child{border-bottom:0}
.row .l{font-size:14px;color:var(--ink2)}
.row .r{font-size:15.5px;font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}
.row.key{border-bottom:2px solid var(--ink);padding-bottom:11px}
.row.key .l{color:var(--ink);font-weight:600;font-size:15px}
.row.key .r{color:var(--series);font-size:19px;font-weight:700}
.tbl-scroll{overflow-x:auto;margin-inline:-4px;padding-inline:4px}
table{border-collapse:collapse;width:100%;font-variant-numeric:tabular-nums;font-size:13.5px}
th{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.09em;
  text-transform:uppercase;color:var(--ink3);text-align:right;font-weight:500;
  padding:0 0 8px;border-bottom:1px solid var(--rule)}
th:first-child{text-align:left}
td{padding:7px 0;border-bottom:1px solid var(--rule2);text-align:right;white-space:nowrap}
td:first-child{text-align:left;font-family:"IBM Plex Mono",monospace;color:var(--ink2)}
tr:last-child td{border-bottom:0}
td+td{padding-left:14px}
.tag{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--series);margin-left:8px}
.d-neg{color:var(--series);font-weight:600}
.d-zero{color:var(--ink3)}
.hot{color:var(--warn);font-weight:600}
.inband{color:var(--good);font-weight:600}
.entry-form{display:flex;flex-wrap:wrap;gap:8px;align-items:flex-end;
  border-top:1px solid var(--rule);padding-top:14px;margin:0}
label{display:flex;flex-direction:column;gap:5px;font-size:11px;letter-spacing:.09em;
  text-transform:uppercase;color:var(--ink3);font-family:"IBM Plex Mono",monospace}
input{font:inherit;font-family:"IBM Plex Sans",system-ui,sans-serif;font-size:14.5px;font-variant-numeric:tabular-nums;
  letter-spacing:normal;text-transform:none;
  background:var(--sunk);color:var(--ink);border:1px solid var(--rule);
  border-radius:3px;padding:8px 10px;min-width:132px}
input:focus-visible,button:focus-visible{outline:2px solid var(--series);outline-offset:2px}
button{font:inherit;font-size:14.5px;font-weight:600;cursor:pointer;
  background:var(--ink);color:var(--ground);border:0;border-radius:3px;padding:9px 18px}
button:hover{opacity:.86}
button[disabled]{opacity:.45;cursor:default}
.form-msg{font-size:13px;color:var(--ink2);align-self:center;padding-bottom:9px}
footer{font-size:12.5px;color:var(--ink3);text-align:center;padding-top:4px}

/* account bar, login, errors */
.topbar{max-width:880px;margin:0 auto 22px;display:flex;flex-wrap:wrap;justify-content:space-between;
  align-items:center;gap:8px 14px;font-size:13px;color:var(--ink2)}
.topbar .side{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px}
.topbar .side:last-child{margin-left:auto}
.topbar form{margin:0}
.topbar a{color:var(--ink2);font-weight:600;text-underline-offset:3px}
.ro{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--series);border:1px solid currentColor;border-radius:3px;padding:2px 6px}
.btn-link{background:none;color:var(--ink2);padding:2px 0;font-size:13px;font-weight:600;
  text-decoration:underline;text-underline-offset:3px}
.btn-secondary{background:var(--sunk);color:var(--ink);border:1px solid var(--rule)}
.auth{min-height:80vh;display:grid;place-items:center}
.auth-stack{width:100%;max-width:380px;display:flex;flex-direction:column;gap:16px}
.auth-card{width:100%;max-width:380px;margin:0}
.auth-card input{width:100%;min-width:0}
.auth-card button{margin-top:4px}
.form-err{color:var(--series);font-size:13.5px;font-weight:600}
.problems{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--ink)}
.danger{max-width:880px;margin:0 auto 18px;background:var(--danger-bg);color:var(--danger-ink);
  padding:12px 16px;border-radius:3px;font-size:14px}
.notice{max-width:880px;margin:0 auto 18px;background:var(--surface);border:1px solid var(--good);color:var(--good);
  padding:10px 16px;border-radius:3px;font-size:14px;font-weight:600}
#app .notice{margin:0;width:100%}
.btn-small{display:inline-block;background:var(--surface);color:var(--ink);border:1px solid var(--rule);border-radius:3px;
  padding:5px 12px;font-size:13px;font-weight:600;text-decoration:none;line-height:1.4}
.btn-small:hover{border-color:var(--ink3)}
.topbar a.btn-small{color:var(--ink)}
.user-note{white-space:pre-line}
[hidden]{display:none!important}

/* settings */
.settings form{display:flex;flex-direction:column;gap:22px;margin:0}
.fields{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px 20px}
.field{min-width:0}
.field.wide{grid-column:1/-1}
.field input:not([type=radio]):not([type=checkbox]),.field textarea{width:100%;min-width:0}
textarea{font-family:"IBM Plex Sans",system-ui,sans-serif;font-size:14.5px;line-height:1.5;letter-spacing:normal;
  text-transform:none;background:var(--sunk);color:var(--ink);border:1px solid var(--rule);border-radius:3px;
  padding:8px 10px;min-height:76px;resize:vertical}
textarea:focus-visible{outline:2px solid var(--series);outline-offset:2px}
.hint,.field-err{font-family:"IBM Plex Sans",system-ui,sans-serif;font-size:12.5px;line-height:1.45;
  letter-spacing:normal;text-transform:none}
.hint{color:var(--ink3)}
.hint a{color:var(--ink2);word-break:break-all}
.field-err{color:var(--series);font-weight:600}
[aria-invalid="true"]{border-color:var(--series)!important;box-shadow:0 0 0 1px var(--series)}
fieldset.field{border:0;margin:0;padding:0;display:flex;flex-direction:column;gap:5px}
fieldset.field[aria-invalid="true"]{box-shadow:none}
legend{padding:0;margin-bottom:5px;font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.09em;
  text-transform:uppercase;color:var(--ink3)}
.radios{display:flex;flex-wrap:wrap;gap:8px}
label.choice,label.check{flex-direction:row;align-items:center;gap:9px;font-family:"IBM Plex Sans",system-ui,sans-serif;
  font-size:14.5px;letter-spacing:normal;text-transform:none;color:var(--ink);cursor:pointer}
label.choice{background:var(--sunk);border:1px solid var(--rule);border-radius:3px;padding:8px 14px}
label.choice:has(input:checked){border-color:var(--series);background:var(--series-ghost)}
fieldset[aria-invalid="true"] label.choice{border-color:var(--series)}
input[type=radio],input[type=checkbox]{min-width:0;width:16px;height:16px;padding:0;margin:0;accent-color:var(--series)}
.field > .check + .hint{margin-top:6px}
.field:not(label){display:flex;flex-direction:column;gap:4px}
details > summary{cursor:pointer;display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 12px;list-style:none}
details > summary::-webkit-details-marker{display:none}
details > summary h2::before{content:"▸ ";color:var(--ink3)}
details[open] > summary h2::before{content:"▾ "}
details[open] > summary{margin-bottom:16px}
.form-summary{background:var(--series-ghost);border:1px solid var(--series);color:var(--ink);
  padding:12px 16px;border-radius:3px;font-size:14px}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px}
.actions a{color:var(--ink2);font-weight:600}

@media (max-width:860px){.stats{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){.stats{grid-template-columns:repeat(2,1fr)}}
@media (max-width:430px){.stats{grid-template-columns:1fr}}
@media (max-width:520px){
  body{padding-inline:16px}
  .hero{gap:10px 18px}
  .card{padding:16px}
  .entry-form input{min-width:0;width:100%}
  .entry-form label{flex:1 1 130px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}