:root {
  color-scheme: light;
  --bg: #f6f4ef;
  --panel: #ffffff;
  --panel-2: #f0ede5;
  --ink: #1b1a17;
  --ink-2: #57534a;
  --ink-3: #7a7569;
  --line: #e2ddd0;
  --grid: #e8e4da;
  --accent: #2a78d6;
  --accent-ink: #ffffff;
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --muted-bar: #9ec5f4;
  --good: #1d7a3e;
  --bad: #b3261e;
  --warn: #8a5a00;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 4px 18px rgba(0,0,0,.04);
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121418;
  --panel: #1b1e24;
  --panel-2: #23272f;
  --ink: #f2f0ea;
  --ink-2: #c3c0b6;
  --ink-3: #96938a;
  --line: #2e333c;
  --grid: #2a2e36;
  --accent: #5598e7;
  --accent-ink: #0b1220;
  --series-1: #3987e5;
  --series-2: #d95926;
  --muted-bar: #184f95;
  --good: #6fcf8e;
  --bad: #ff8a80;
  --warn: #f0c060;
  --shadow: none;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #121418; --panel: #1b1e24; --panel-2: #23272f; --ink: #f2f0ea; --ink-2: #c3c0b6; --ink-3: #96938a;
    --line: #2e333c; --grid: #2a2e36; --accent: #5598e7; --accent-ink: #0b1220; --series-1: #3987e5;
    --series-2: #d95926; --muted-bar: #184f95; --good: #6fcf8e; --bad: #ff8a80; --warn: #f0c060; --shadow: none;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--accent); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .92em; background: var(--panel-2); padding: 1px 5px; border-radius: 5px; }
.hidden { display: none !important; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--ink-2); }
.small { font-size: .86rem; }

button { font: inherit; cursor: pointer; border-radius: 10px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); padding: 8px 14px; min-height: 40px; }
button:disabled { opacity: .5; cursor: default; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
button.ghost { background: transparent; }
button.ghost:hover:not(:disabled) { background: var(--panel-2); }
button.primary:hover:not(:disabled) { filter: brightness(1.06); }
button.small { min-height: 32px; padding: 4px 10px; font-size: .88rem; }
button:focus-visible, input:focus-visible, select:focus-visible, .drop:focus-within { outline: 3px solid var(--accent); outline-offset: 2px; }
input[type="text"], input[type="search"], select {
  font: inherit; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; min-height: 40px; width: 100%;
}

.topbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--panel); position: sticky; top: 0; z-index: 5; }
.brand { display: flex; align-items: center; gap: 10px; }
.backlink { font-weight: 700; text-decoration: none; color: var(--ink); }
.freechip { font-size: .78rem; font-weight: 600; padding: 2px 9px; border-radius: 999px; background: var(--panel-2); color: var(--good); border: 1px solid var(--line); }
.topactions { display: flex; align-items: center; gap: 8px; }
.who { font-size: .86rem; color: var(--ink-2); }
.glyphbtn { width: 40px; padding: 0; font-size: 1.1rem; }

main { max-width: 1120px; margin: 0 auto; padding: 0 16px 48px; }
.hero { padding: 28px 0 8px; }
.hero h1 { font-family: Georgia, "Iowan Old Style", serif; font-size: clamp(1.9rem, 4.5vw, 2.8rem); line-height: 1.12; margin: 0 0 10px; letter-spacing: -.01em; }
.lede { font-size: 1.08rem; color: var(--ink-2); max-width: 760px; margin: 0; }

.loader { margin: 18px 0 8px; }
.drop { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 6px; min-height: 168px; padding: 24px; border: 2px dashed var(--line); border-radius: var(--radius); background: var(--panel); cursor: pointer; transition: border-color .15s, background .15s; }
.drop:hover, .drop.over { border-color: var(--accent); background: var(--panel-2); }
.drop-title { font-size: 1.15rem; font-weight: 600; }
.drop-sub { color: var(--ink-2); }
.loadrow { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 14px; }
.check { display: inline-flex; gap: 8px; align-items: center; color: var(--ink-2); font-size: .92rem; }
.check input { width: 18px; height: 18px; }
.hint { min-height: 1.4em; margin: 10px 0 0; font-size: .92rem; color: var(--ink-2); }
.hint.bad { color: var(--bad); }
.hint.good { color: var(--good); }
.hint.warn { color: var(--warn); }
.howto { margin-top: 10px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 16px; }
.howto summary { cursor: pointer; font-weight: 600; }
.howto ol { padding-left: 20px; }
.privacy { color: var(--ink-2); font-size: .92rem; }

.dash { margin-top: 18px; }
.toolbar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px; }
.years { display: flex; flex-wrap: wrap; gap: 6px; }
.yearbtn { min-height: 36px; padding: 4px 12px; border-radius: 999px; background: var(--panel); }
.yearbtn.on { background: var(--ink); color: var(--bg); border-color: var(--ink); font-weight: 600; }
.warnings { margin: 6px 0 0; padding-left: 18px; color: var(--warn); font-size: .9rem; }
.warnings:empty { display: none; }

.tiles { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; margin: 16px 0; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); min-width: 0; }
.t-big { font-size: 1.9rem; font-weight: 700; line-height: 1.1; font-variant-numeric: tabular-nums; }
.tile:first-child .t-big { color: var(--accent); }
.t-small { color: var(--ink-2); font-size: .9rem; }
.t-sub { color: var(--ink-3); font-size: .8rem; margin-top: 2px; }

.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); min-width: 0; }
.card.wide { grid-column: span 1; }
.card h2 { font-size: 1.08rem; margin: 0 0 8px; }
.card h3 { font-size: .86rem; color: var(--ink-2); margin: 10px 0 4px; font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 6px; }
.card-head h2 { margin: 0; }
.note { color: var(--ink-2); font-size: .9rem; margin: 6px 0 0; }
.note:empty { display: none; }
.empty { color: var(--ink-3); font-style: italic; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.segbtn { border: 0; border-radius: 0; min-height: 32px; padding: 4px 12px; background: transparent; font-size: .88rem; }
.segbtn.on { background: var(--ink); color: var(--bg); }

.chart { width: 100%; height: auto; display: block; overflow: visible; }
.chart .gl { stroke: var(--grid); stroke-width: 1; }
.chart .base { stroke: var(--ink-3); stroke-width: 1; }
.chart .axis { fill: var(--ink-2); font-size: 13px; }
.chart .val { fill: var(--ink); font-size: 13px; font-weight: 600; }
.chart .bar { fill: var(--series-1); }
.chart .bar.mark { fill: var(--series-2); }
.chart .bar.muted { fill: var(--muted-bar); }
.chart .hit { fill: transparent; }
.chart text, .chart line { pointer-events: none; }
.chart .hit:hover { fill: var(--ink); fill-opacity: .04; }
.chart .diag { stroke: var(--ink-3); stroke-dasharray: 4 4; stroke-width: 1.5; }
.chart .dot { fill: var(--ink-3); stroke: var(--panel); stroke-width: 2; }
.chart .dot.up { fill: var(--series-1); }
.chart .dot.down { fill: var(--series-2); }

.twolists { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.booklist { margin: 0; padding-left: 18px; font-size: .9rem; }
.booklist li { margin: 3px 0; }
.bt { font-weight: 600; }
.ba { color: var(--ink-2); }
.num { font-variant-numeric: tabular-nums; color: var(--ink-2); white-space: nowrap; }

.ranklist { list-style: none; margin: 0; padding: 0; }
.ranklist li { display: grid; grid-template-columns: minmax(0, 11rem) 1fr 2.2rem; gap: 10px; align-items: center; padding: 3px 0; font-size: .92rem; }
.rk-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rk-bar { height: 10px; background: var(--panel-2); border-radius: 5px; overflow: hidden; }
.rk-bar span { display: block; height: 100%; background: var(--series-1); border-radius: 0 4px 4px 0; }
.rk-n { text-align: right; font-variant-numeric: tabular-nums; color: var(--ink-2); }

.facts { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 0; font-size: .93rem; }
.facts dt { color: var(--ink-2); }
.facts dd { margin: 0; font-weight: 500; }

.sharecard { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; margin: 18px 0; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.share-ctl h2 { margin: 0 0 12px; font-size: 1.2rem; }
.ctl { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; font-size: .9rem; color: var(--ink-2); }
.btnrow { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.share-preview { display: flex; justify-content: center; align-items: flex-start; }
.share-preview canvas { width: 100%; max-width: 420px; height: auto; border-radius: 12px; box-shadow: 0 6px 28px rgba(0,0,0,.18); }

.books { margin-top: 14px; }
.books input[type="search"] { max-width: 320px; }
.tablewrap { overflow-x: auto; margin-top: 8px; border: 1px solid var(--line); border-radius: 10px; max-height: 520px; overflow-y: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { padding: 6px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { position: sticky; top: 0; background: var(--panel-2); z-index: 1; }
th.num, td.num { text-align: right; }
th button.sort { all: unset; cursor: pointer; font-weight: 600; color: var(--ink); }
th button.sort.on::after { content: " \2195"; color: var(--ink-3); }
th button.sort:focus-visible { outline: 2px solid var(--accent); }
.ser { color: var(--ink-3); font-size: .82rem; }

.saved { margin-top: 18px; }
.savedlist { list-style: none; padding: 0; margin: 8px 0 0; }
.savedlist li { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; padding: 8px 0; border-top: 1px solid var(--line); }
.sv-main { display: flex; flex-direction: column; }
.sv-act { display: flex; gap: 6px; }

.tip { position: fixed; z-index: 20; pointer-events: none; background: var(--ink); color: var(--bg); font-size: .84rem; padding: 6px 9px; border-radius: 8px; max-width: 280px; box-shadow: 0 4px 14px rgba(0,0,0,.25); }

.foot { max-width: 1120px; margin: 0 auto; padding: 16px; color: var(--ink-3); font-size: .86rem; border-top: 1px solid var(--line); }

@media (max-width: 900px) {
  .tiles { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid { grid-template-columns: minmax(0, 1fr); }
  .sharecard { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 520px) {
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .t-big { font-size: 1.5rem; }
  .twolists { grid-template-columns: minmax(0, 1fr); }
  .ranklist li { grid-template-columns: minmax(0, 8rem) 1fr 2rem; }
  .facts { grid-template-columns: minmax(0, 1fr); }
  .facts dd { margin-bottom: 6px; }
  .topbar .who { display: none; }
  .chart .axis, .chart .val { font-size: 21px; }
}

/* ---- docs pages (api.html, tokens.html) ---- */
:root { --panel2: var(--panel-2); --ink2: var(--ink-2); --ok: var(--good); --danger: var(--bad); }
.sep { color: var(--line); }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; margin: 14px 0; box-shadow: var(--shadow); }
.panel h2 { font-size: 1.1rem; margin: 0 0 8px; }
.panel .ctl, .step .ctl { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 8px; }
.stats { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; margin: 8px 0; font-size: .92rem; }
.stats dt { color: var(--ink-2); }
.stats dd { margin: 0; font-variant-numeric: tabular-nums; }