/* TindaKit — packing-table palette: waybill paper, profit green, kraft tape */
:root {
  --paper: #F2F5F3;
  --surface: #FFFFFF;
  --ink: #16261F;
  --ink-2: #4B5C54;
  --line: #D3DCD7;
  --green: #1E6B4E;
  --green-ink: #FFFFFF;
  --green-soft: #E2EFE8;
  --kraft: #C99A55;
  --kraft-soft: #F5EADB;
  --loss: #B42318;
  --loss-soft: #FBE9E7;
  --focus: #2F7DE1;
  --radius-s: 6px;
  --radius-m: 12px;
  --font-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --font-body: "Atkinson Hyperlegible", "Segoe UI", system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #101814; --surface: #17221D; --ink: #E7EEEA; --ink-2: #A6B5AE;
    --line: #2C3A33; --green: #4FB487; --green-ink: #0B1A13; --green-soft: #1C3328;
    --kraft: #D9B276; --kraft-soft: #2B2418; --loss: #F2796C; --loss-soft: #3A1F1C;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #101814; --surface: #17221D; --ink: #E7EEEA; --ink-2: #A6B5AE;
  --line: #2C3A33; --green: #4FB487; --green-ink: #0B1A13; --green-soft: #1C3328;
  --kraft: #D9B276; --kraft-soft: #2B2418; --loss: #F2796C; --loss-soft: #3A1F1C;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 1.0625rem/1.6 var(--font-body);
}
img, svg { max-width: 100%; }
a { color: var(--green); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 3px; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.12; letter-spacing: -0.01em; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 1.4rem + 2.6vw, 3.1rem); font-weight: 800; }
h2 { font-size: clamp(1.45rem, 1.2rem + 1vw, 1.9rem); font-weight: 800; margin-top: 2.2em; }
h3 { font-size: 1.2rem; font-weight: 600; margin-top: 1.8em; }
p { margin: 0 0 1em; }
.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; background: var(--surface); padding: 8px 12px; z-index: 10; }
.fine { font-size: .875rem; color: var(--ink-2); }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: var(--paper); }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); text-decoration: none;
  font: 800 1.35rem/1 var(--font-display); }
.brand b, .footer-brand b { color: var(--green); font-weight: 800; }
.brand-tag { width: 28px; height: 28px; color: var(--kraft); }
.site-nav { display: flex; gap: 4px; }
.site-nav a { color: var(--ink); text-decoration: none; padding: 8px 12px; border-radius: var(--radius-s); font-weight: 700; }
.site-nav a:hover { background: var(--green-soft); }
.site-nav a[aria-current="page"] { box-shadow: inset 0 -3px 0 var(--green); border-radius: 0; }

/* Footer */
.site-footer { margin-top: 80px; border-top: 1px solid var(--line); padding: 40px 0 24px; background: var(--surface); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin: 0 0 6px; }
.footer-brand { font: 800 1.25rem var(--font-display); margin-bottom: .4em; }
.footer-head { font-weight: 700; margin-bottom: .5em; }
.copyright { margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--line); }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-grid > :first-child { grid-column: 1 / -1; } }

/* Page head */
.page-head { padding: 40px 0 8px; }
.page-head .lede { font-size: 1.2rem; color: var(--ink-2); max-width: 62ch; }
.crumbs { font-size: .9rem; color: var(--ink-2); margin-bottom: 12px; }
.crumbs a { color: var(--ink-2); }
.checked { display: inline-block; font-size: .9rem; color: var(--ink-2); background: var(--kraft-soft);
  border-left: 3px solid var(--kraft); padding: 4px 10px; border-radius: 0 var(--radius-s) var(--radius-s) 0; }

/* Tool layout */
.tool { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr); gap: 32px; align-items: start; margin: 24px 0 8px; }
.tool-form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-m); padding: 24px; }
.tool-result { position: sticky; top: 16px; }
@media (max-width: 880px) { .tool { grid-template-columns: 1fr; } .tool-result { position: static; } }

fieldset { border: 0; padding: 0; margin: 0 0 20px; min-width: 0; }
legend { font: 600 1.05rem var(--font-display); margin-bottom: 10px; padding: 0; }
.fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr)); gap: 14px 16px; }
.fields > *, .tool > *, .hero > * { min-width: 0; }
.input input { width: 100%; }
.field label, .field .label { display: block; font-weight: 700; font-size: .95rem; margin-bottom: 4px; }
.field .hint { display: block; font-size: .85rem; color: var(--ink-2); margin-top: 4px; }
.input { display: flex; align-items: stretch; border: 1.5px solid var(--line); border-radius: var(--radius-s); background: var(--surface); overflow: hidden; }
.input:focus-within { border-color: var(--green); box-shadow: 0 0 0 3px var(--green-soft); }
.input span { display: grid; place-items: center; padding: 0 10px; color: var(--ink-2); background: var(--paper); font-weight: 700; }
.input input, .input select, select.plain, input.plain {
  flex: 1; min-width: 0; border: 0; background: transparent; color: var(--ink); padding: 10px 12px;
  font: inherit; font-variant-numeric: tabular-nums;
}
select.plain, input.plain { border: 1.5px solid var(--line); border-radius: var(--radius-s); width: 100%; background: var(--surface); }
.input input:focus, .input select:focus { outline: none; }

.seg { display: inline-flex; flex-wrap: wrap; border: 1.5px solid var(--line); border-radius: var(--radius-s); overflow: hidden; }
.seg label { position: relative; }
.seg input { position: absolute; opacity: 0; inset: 0; }
.seg span { display: block; padding: 8px 14px; font-weight: 700; cursor: pointer; }
.seg input:checked + span { background: var(--green); color: var(--green-ink); }
.seg input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: -3px; }

.check { display: flex; gap: 10px; align-items: flex-start; margin: 8px 0; font-size: .97rem; }
.check input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--green); flex: none; }

details.rates { border-top: 1px dashed var(--line); padding-top: 14px; margin-top: 8px; }
details.rates > summary { cursor: pointer; font: 600 1.05rem var(--font-display); }
.rate-table { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: .95rem; }
.rate-table th { text-align: left; font-size: .85rem; color: var(--ink-2); font-weight: 700; padding: 6px 4px; border-bottom: 1px solid var(--line); }
.rate-table td { padding: 8px 4px; border-bottom: 1px solid var(--line); vertical-align: top; }
.rate-table .num { width: 92px; }
.rate-table .num input { width: 100%; padding: 6px 8px; border: 1.5px solid var(--line); border-radius: var(--radius-s); background: var(--surface); color: var(--ink); font: inherit; font-variant-numeric: tabular-nums; }
.rate-table .fee-note { display: block; font-size: .8rem; color: var(--ink-2); }
.row-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }

.btn { display: inline-flex; align-items: center; gap: 8px; border: 1.5px solid var(--green); background: var(--green); color: var(--green-ink);
  padding: 10px 16px; border-radius: var(--radius-s); font: 700 1rem var(--font-body); cursor: pointer; text-decoration: none; }
.btn.ghost { background: transparent; color: var(--green); }
.btn:hover { filter: brightness(1.06); }

/* The resibo — payout receipt */
.resibo {
  --edge: 10px;
  background: var(--surface); color: var(--ink); padding: 28px 22px 26px; position: relative;
  filter: drop-shadow(0 1px 0 var(--line)) drop-shadow(0 8px 18px rgba(22, 38, 31, .08));
  -webkit-mask: radial-gradient(circle var(--edge) at 50% 0, #0000 98%, #000) 50% 0 / calc(var(--edge) * 2.4) 51% repeat-x,
                radial-gradient(circle var(--edge) at 50% 100%, #0000 98%, #000) 50% 100% / calc(var(--edge) * 2.4) 51% repeat-x;
          mask: radial-gradient(circle var(--edge) at 50% 0, #0000 98%, #000) 50% 0 / calc(var(--edge) * 2.4) 51% repeat-x,
                radial-gradient(circle var(--edge) at 50% 100%, #0000 98%, #000) 50% 100% / calc(var(--edge) * 2.4) 51% repeat-x;
}
.resibo-title { font: 800 1.15rem var(--font-display); text-align: center; margin: 0; }
.resibo-sub { text-align: center; font-size: .85rem; color: var(--ink-2); margin: 2px 0 14px; }
.resibo dl { margin: 0; font-variant-numeric: tabular-nums; }
.resibo .line { display: flex; justify-content: space-between; gap: 12px; padding: 5px 0; font-size: .97rem; }
.resibo .line dt { color: var(--ink-2); }
.resibo .line dd { margin: 0; text-align: right; white-space: nowrap; }
.resibo .line.minus dd::before { content: "− "; }
.resibo .line.sub { border-top: 1px dashed var(--line); margin-top: 6px; padding-top: 10px; font-weight: 700; }
.resibo .line.sub dt { color: var(--ink); }
.resibo .rule { border: 0; border-top: 2px dashed var(--line); margin: 12px 0; }
.resibo .total { text-align: center; padding: 10px 0 4px; }
.resibo .total .label { display: block; font-size: .9rem; color: var(--ink-2); }
.resibo .total .big { display: block; font: 800 clamp(2rem, 1.6rem + 1.6vw, 2.6rem)/1.1 var(--font-display); font-variant-numeric: tabular-nums; }
.resibo .total.gain .big { color: var(--green); }
.resibo .total.loss .big { color: var(--loss); }
.resibo .stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; text-align: center; margin-top: 12px; }
.resibo .stats div { background: var(--paper); border-radius: var(--radius-s); padding: 8px 4px; }
.resibo .stats b { display: block; font: 800 1.1rem var(--font-display); font-variant-numeric: tabular-nums; }
.resibo .stats span { font-size: .78rem; color: var(--ink-2); }
.resibo .foot { font-size: .8rem; color: var(--ink-2); margin: 14px 0 0; text-align: center; }
.resibo .warn { background: var(--loss-soft); color: var(--loss); border-radius: var(--radius-s); padding: 8px 10px; font-size: .9rem; margin-top: 12px; }
.resibo .good { background: var(--green-soft); color: var(--green); border-radius: var(--radius-s); padding: 8px 10px; font-size: .9rem; margin-top: 12px; }
.result-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 16px; }
.copied { font-size: .9rem; color: var(--green); min-height: 1.4em; text-align: center; }

/* Comparison */
.compare { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 24px; }
@media (max-width: 880px) { .compare { grid-template-columns: 1fr; } }
.resibo.best { outline: 0; }
.best-flag { display: block; text-align: center; font-weight: 700; color: var(--green); font-size: .9rem; margin-bottom: 6px; }

/* Prose / guides */
.prose { max-width: 70ch; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin-bottom: .4em; }
.prose table { border-collapse: collapse; width: 100%; margin: 1em 0 1.4em; font-size: .97rem; font-variant-numeric: tabular-nums; }
.prose th, .prose td { border-bottom: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
.prose th { background: var(--surface); }
.table-scroll { overflow-x: auto; }
.note { background: var(--kraft-soft); border-left: 4px solid var(--kraft); padding: 14px 16px; border-radius: 0 var(--radius-s) var(--radius-s) 0; margin: 1.2em 0; }
.note p:last-child { margin: 0; }
.formula { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-s); padding: 12px 16px; font-weight: 700; overflow-x: auto; }
details.faq { border-bottom: 1px solid var(--line); padding: 12px 0; }
details.faq summary { cursor: pointer; font-weight: 700; font-size: 1.05rem; }
details.faq[open] summary { margin-bottom: 8px; }
.related { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.related a { border: 1.5px solid var(--line); border-radius: 999px; padding: 6px 14px; text-decoration: none; font-weight: 700; color: var(--ink); background: var(--surface); }
.related a:hover { border-color: var(--green); }

/* Home */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 400px); gap: 48px; align-items: center; padding: 48px 0 24px; }
.hero h1 { font-size: clamp(2.3rem, 1.5rem + 3.4vw, 3.9rem); max-width: 14ch; }
.hero .lede { font-size: 1.2rem; color: var(--ink-2); max-width: 46ch; }
.hero-demo .fields { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); margin-bottom: 16px; }
@media (max-width: 880px) { .hero { grid-template-columns: 1fr; gap: 24px; } }
.toolbox { margin-top: 40px; }
.toolbox-group { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 24px; padding: 22px 0; border-top: 1px solid var(--line); }
.toolbox-group h2 { margin: 0; font-size: 1.3rem; }
.toolbox-group p.why { color: var(--ink-2); font-size: .95rem; margin: 6px 0 0; }
.tool-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.tool-list a { display: block; padding: 10px 12px; border-radius: var(--radius-s); text-decoration: none; color: var(--ink); }
.tool-list a:hover { background: var(--surface); }
.tool-list strong { display: block; font-size: 1.05rem; color: var(--green); }
.tool-list span { color: var(--ink-2); font-size: .95rem; }
@media (max-width: 720px) { .toolbox-group { grid-template-columns: 1fr; gap: 8px; } }
.guide-list { list-style: none; padding: 0; margin: 0; max-width: 70ch; }
.guide-list li { padding: 16px 0; border-bottom: 1px solid var(--line); }
.guide-list a { font: 600 1.2rem var(--font-display); text-decoration: none; }
.guide-list p { margin: 4px 0 0; color: var(--ink-2); }

@media (prefers-reduced-motion: no-preference) {
  .resibo .total .big { transition: color .2s; }
}

/* Mobile: keep the result in view while filling in the form */
.mobile-sum { display: none; }
@media (max-width: 880px) {
  .mobile-sum { display: flex; align-items: center; justify-content: space-between; gap: 12px; position: sticky; bottom: 0; z-index: 5;
    margin: 16px -16px 0; padding: 12px 16px; background: var(--surface); border-top: 2px dashed var(--kraft); color: var(--ink); text-decoration: none; }
  .mobile-sum b { font: 800 1.35rem var(--font-display); color: var(--green); font-variant-numeric: tabular-nums; }
  .mobile-sum b.neg { color: var(--loss); }
  .mobile-sum span:last-child { color: var(--green); font-weight: 700; font-size: .9rem; }
}
@media (min-width: 721px) { .compare-form .fields { grid-template-columns: repeat(3, minmax(0, 1fr)); } }