:root {
  --ground: #F3F6F9; --surface: #FFFFFF; --surface-2: #E9EFF5;
  --ink: #14213D; --ink-2: #33415C; --muted: #5B6B7F; --rule: #D6DEE8;
  --navy: #1E3A5F; --navy-ink: #FFFFFF;
  --green: #0F7B4F; --green-soft: #DCF2E6; --green-ink: #0A5A39;
  --amber: #9A6400; --amber-soft: #FBEFD2; --fee: #8A94A6;
  --shadow: 0 1px 2px rgba(20,33,61,.06), 0 8px 24px rgba(20,33,61,.06);
  --font-display: "Bricolage Grotesque", "Public Sans", system-ui, sans-serif; --font-body: "Public Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --ground: #0E1624; --surface: #16233A; --surface-2: #1D2C46;
  --ink: #E8EEF6; --ink-2: #C5D0DE; --muted: #9AAABD; --rule: #2A3B55;
  --navy: #8FB4E6; --navy-ink: #0E1624;
  --green: #34C286; --green-soft: #143728; --green-ink: #9BE8C4;
  --amber: #F0B94A; --amber-soft: #3A2B0E; --fee: #6F7D93;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
} }
:root[data-theme="dark"] {
  --ground: #0E1624; --surface: #16233A; --surface-2: #1D2C46;
  --ink: #E8EEF6; --ink-2: #C5D0DE; --muted: #9AAABD; --rule: #2A3B55;
  --navy: #8FB4E6; --navy-ink: #0E1624;
  --green: #34C286; --green-soft: #143728; --green-ink: #9BE8C4;
  --amber: #F0B94A; --amber-soft: #3A2B0E; --fee: #6F7D93;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ground); color: var(--ink); font-family: var(--font-body); font-size: 17px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
h1, h2, h3 { font-family: var(--font-display); text-wrap: balance; margin: 0; line-height: 1.15; }
p { margin: 0; }
a { color: var(--navy); }
strong { font-weight: 700; color: var(--ink); }
img { max-width: 100%; height: auto; }
.wrap { max-width: 600px; margin: 0 auto; padding: 24px 18px 72px; }
.eyebrow { font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.crumbs { display: flex; flex-wrap: wrap; gap: 6px; font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--navy); text-decoration: underline; }
.hero { display: grid; gap: 14px; padding: 8px 0 28px; }
.hero h1 { font-size: clamp(32px, 9vw, 44px); font-weight: 800; letter-spacing: -.02em; }
.hero .lede { font-size: 18px; color: var(--ink-2); max-width: 34ch; }
.pill { display: inline-block; font-size: 13px; font-weight: 600; color: var(--green-ink); background: var(--green-soft); padding: 3px 10px; border-radius: 999px; }
.meta { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; font-size: 13px; color: var(--muted); }

/* article flow */
article h2 { font-size: 24px; font-weight: 700; letter-spacing: -.01em; margin: 36px 0 10px; }
article h2:first-child { margin-top: 0; }
article h3 { font-size: 18px; font-weight: 700; margin: 22px 0 6px; }
article p { color: var(--ink-2); font-size: 17px; }
article p + p { margin-top: 10px; }
article > p:first-child { color: var(--muted); font-size: 15px; }
article ul { padding-left: 0; list-style: none; margin: 10px 0; display: grid; gap: 10px; }
article ul > li { display: grid; grid-template-columns: 22px 1fr; gap: 10px; color: var(--ink-2); }
article ul > li::before { content: "—"; color: var(--navy); font-weight: 700; }
article hr { border: 0; border-top: 1px solid var(--rule); margin: 28px 0; }
code.ui { display: inline-block; font-family: var(--font-body); font-size: 14px; font-weight: 600; color: var(--ink); background: var(--surface-2); border: 1px solid var(--rule); border-radius: 6px; padding: 1px 8px; white-space: nowrap; vertical-align: baseline; }
figure.shot { margin: 16px 0; display: grid; gap: 8px; justify-items: start; }
figure.shot img { width: min(100%, 300px); border: 1px solid var(--rule); border-radius: 12px; box-shadow: var(--shadow); }
figure.shot figcaption { font-size: 13px; color: var(--muted); }

/* callout / result */
.callout { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: start; background: var(--amber-soft); border-left: 4px solid var(--amber); border-radius: 8px; padding: 14px 16px; color: var(--ink); margin: 14px 0; }
.callout .mark { font-family: var(--font-display); font-weight: 800; font-size: 22px; line-height: 1; color: var(--amber); padding-top: 2px; }
.callout p { color: var(--ink); font-size: 16px; }
.callout p + p { margin-top: 6px; }
.result { margin: 12px 0; background: var(--green-soft); color: var(--green-ink); border-radius: 8px; padding: 10px 12px; font-size: 15px; font-weight: 600; }

/* step rail */
ol.steps { list-style: none; margin: 14px 0 0; padding: 0; display: grid; }
ol.steps > li { display: grid; grid-template-columns: 40px 1fr; gap: 14px; position: relative; padding-bottom: 22px; }
ol.steps > li::before { content: ""; position: absolute; left: 19px; top: 40px; bottom: 0; width: 2px; background: var(--rule); }
ol.steps > li:last-child::before { display: none; }
ol.steps > li:last-child { padding-bottom: 0; }
.num { width: 40px; height: 40px; border-radius: 50%; background: var(--navy); color: var(--navy-ink); font-family: var(--font-display); font-weight: 800; font-size: 18px; display: grid; place-items: center; position: relative; z-index: 1; }
.step-body { padding-top: 6px; min-width: 0; }
.step-body h3 { font-size: 18px; font-weight: 700; margin: 0 0 4px; }
.step-body p { color: var(--ink-2); font-size: 16px; }
.step-body p + p { margin-top: 6px; }
.step-body .result { margin: 10px 0 0; }
.step-body ul { margin: 8px 0 0; }

/* money slip */
.slip { background: var(--surface); border: 1px solid var(--rule); border-radius: 14px; box-shadow: var(--shadow); padding: 18px 18px 16px; overflow: hidden; margin: 16px 0; }
.slip .top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 4px 12px; margin-bottom: 14px; }
.slip .top .title { font-family: var(--font-display); font-weight: 700; font-size: 18px; white-space: nowrap; }
.slip .top .ex { font-size: 13px; color: var(--muted); }
.bar { display: flex; height: 22px; border-radius: 6px; overflow: hidden; border: 1px solid var(--rule); }
.bar > span { display: block; height: 100%; }
.bar .b0 { background: var(--green); } .bar .b1 { background: var(--fee); } .bar .b2 { background: var(--navy); } .bar .b3 { background: var(--amber); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 10px 0 4px; font-size: 13px; color: var(--muted); }
.legend span::before { content: ""; display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; vertical-align: -1px; }
.legend .l0::before { background: var(--green); } .legend .l1::before { background: var(--fee); } .legend .l2::before { background: var(--navy); } .legend .l3::before { background: var(--amber); }
table.ledger { width: 100%; border-collapse: collapse; margin-top: 14px; font-variant-numeric: tabular-nums; }
table.ledger td { padding: 10px 0; border-top: 1px solid var(--rule); vertical-align: top; color: var(--ink); }
table.ledger td:last-child { text-align: right; white-space: nowrap; font-weight: 600; }
table.ledger .note { display: block; font-size: 13px; color: var(--muted); font-weight: 400; margin-top: 2px; }
table.ledger tr.total td { border-top: 2px solid var(--ink); font-weight: 700; font-size: 18px; color: var(--green-ink); }
table.ledger tr.total .note { font-weight: 400; font-size: 13px; }
.neg { color: var(--muted); }
.r10 { margin-top: 12px; padding: 12px 14px; border: 1px dashed var(--rule); border-radius: 10px; font-size: 15px; color: var(--ink-2); }

/* index */
.search { position: relative; margin: 6px 0 26px; }
.search input { width: 100%; height: 48px; border: 1px solid var(--rule); border-radius: 12px; background: var(--surface); color: var(--ink); font: inherit; font-size: 16px; padding: 0 14px; }
.search input:focus { outline: 3px solid var(--navy); outline-offset: 1px; }
.area { margin-top: 30px; }
.area h2 { font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: 0 0 10px; }
.cards { display: grid; gap: 10px; }
.card { display: grid; gap: 4px; background: var(--surface); border: 1px solid var(--rule); border-radius: 12px; padding: 14px 16px; text-decoration: none; color: var(--ink); box-shadow: var(--shadow); }
.card:hover, .card:focus-visible { border-color: var(--navy); outline: none; }
.card .t { font-family: var(--font-display); font-weight: 700; font-size: 18px; }
.card .s { color: var(--ink-2); font-size: 15px; }
.card .m { font-size: 13px; color: var(--muted); display: flex; gap: 10px; flex-wrap: wrap; }
.card.hidden { display: none; }
.empty { color: var(--muted); padding: 20px 0; }

.foot { margin-top: 44px; padding-top: 16px; border-top: 1px solid var(--rule); font-size: 13px; color: var(--muted); display: grid; gap: 4px; }
.foot a { color: var(--muted); }
@media (min-width: 560px) { .wrap { padding-top: 40px; } }