/* Global Cargo Insight. System fonts only. Forms read as bill-of-lading cells; results print on the canary copy. */
:root {
  --paper: #f5f7f9;
  --sheet: #ffffff;
  --ink: #12263a;
  --ink-soft: #4a5a6a;
  --rule: #b6c2cd;
  --rule-strong: #12263a;
  --link: #0a4f9c;
  --band: #12263a;
  --band-ink: #f5f7f9;
  --canary: #ffe680;
  --canary-ink: #12263a;
  --changed: #fff4c2;
  --error: #b3261e;
  --display: "DIN Alternate", "DIN Next", Bahnschrift, "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --text: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0f1b27;
    --sheet: #152432;
    --ink: #e4ebf1;
    --ink-soft: #a9b8c6;
    --rule: #35495c;
    --rule-strong: #8fa3b5;
    --link: #8cc1ff;
    --band: #0a131c;
    --band-ink: #e4ebf1;
    --changed: #3b3414;
    --error: #ffb4ab;
  }
}
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.55 var(--text); }
a { color: var(--link); text-underline-offset: 2px; }
:focus-visible { outline: 3px solid var(--link); outline-offset: 2px; }
.shell { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--sheet); padding: 8px 12px; z-index: 2; }
.skip:focus { left: 8px; top: 8px; }
.preview-bar { margin: 0; padding: 6px 16px; background: #b3261e; color: #fff; font-weight: 700; text-align: center; }

.site-header { background: var(--band); color: var(--band-ink); }
.site-header .shell { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 28px; padding-top: 10px; padding-bottom: 10px; }
.site-name { color: inherit; font: 700 21px/1.3 var(--display); letter-spacing: .02em; text-decoration: none; white-space: nowrap; }
.nav-groups, .nav-groups ul { display: flex; flex-wrap: wrap; gap: 2px 9px; margin: 0; padding: 0; list-style: none; }
.nav-groups { gap: 2px 15px; }
.nav-group { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 6px; font-size: 13px; }
.nav-label { color: #a9bccd; font: 700 12px/1.4 var(--display); letter-spacing: .08em; text-transform: uppercase; }
.site-header nav a { color: inherit; text-decoration: none; }
.site-header nav a:hover { text-decoration: underline; }
.site-header :focus-visible { outline-color: var(--canary); }

main { padding-bottom: 32px; }
.crumbs { margin: 12px 0 0; font-size: 14px; color: var(--ink-soft); }
h1, h2, h3 { font-family: var(--display); line-height: 1.2; text-wrap: balance; }
h1 { margin: 20px 0 4px; font-size: clamp(28px, 4vw, 38px); font-weight: 700; }
h2 { margin: 36px 0 10px; padding-top: 8px; border-top: 2px solid var(--rule-strong); font-size: 25px; font-weight: 700; }
.byline { margin: 0 0 12px; font-size: 14px; color: var(--ink-soft); }
article > p, article > ul, article > h2 { max-width: 760px; }
article li { margin-bottom: 4px; }

.table-wrap { overflow-x: auto; margin: 16px 0 6px; background: var(--sheet); border: 1px solid var(--rule); }
table { width: 100%; border-collapse: collapse; font-size: 15px; font-variant-numeric: tabular-nums; }
caption { padding: 10px 12px; text-align: left; font: 700 16px/1.3 var(--display); }
th, td { padding: 7px 12px; border-top: 1px solid var(--rule); text-align: left; vertical-align: top; }
thead th { background: var(--band); color: var(--band-ink); font: 700 13px/1.3 var(--display); letter-spacing: .02em; border-top: 0; }
tbody th { font-weight: 600; }
tr.changed > * { background: var(--changed); }
.badge, .tag { display: inline-block; padding: 0 5px; border: 1px solid currentColor; font-size: 12px; font-weight: 600; line-height: 1.4; white-space: nowrap; }
.tag { white-space: normal; }
.min-by { color: var(--ink-soft); font-size: 13px; }
.source { margin: 0 0 6px; font-size: 13.5px; color: var(--ink-soft); }
.table-note { margin: 0 0 6px; font-size: 13.5px; color: var(--ink-soft); }
.table-notes { max-width: none; margin: 0 0 16px; padding: 0; list-style: none; font-size: 13.5px; color: var(--ink-soft); }
.table-notes li { margin-bottom: 2px; }
.note-label { font-weight: 600; }
tbody tr[id] { scroll-margin-top: 12px; }
tbody tr:target > * { background: var(--changed); box-shadow: inset 0 2px 0 var(--link), inset 0 -2px 0 var(--link); }
.class-jump { max-width: none; margin: 4px 0 16px; font-size: 15px; }
.class-jump a { display: inline-block; min-width: 24px; padding: 4px 2px; text-align: center; }
.sources-block { max-width: 760px; font-size: 15px; }

.calc { margin: 12px 0 8px; }
#calc-form { background: var(--sheet); border: 2px solid var(--rule-strong); padding: 10px 12px 12px; }
.crumbs + article h1 { margin-top: 8px; }
.calc fieldset { margin: 0 0 10px; padding: 0; border: 0; min-width: 0; }
.calc .fit-choice { margin: 12px 0 0; }
.unit-switch { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 16px; }
.unit-switch legend, .line legend, .fit-choice legend { float: left; padding: 0; margin-right: 12px; font: 700 13px/1.6 var(--display); letter-spacing: .06em; text-transform: uppercase; }
.line legend { float: none; }
.unit-option { font-size: 15px; white-space: nowrap; }
.line-cells { display: flex; flex-wrap: wrap; align-items: stretch; }
.cell { display: flex; flex: 1 1 96px; flex-direction: column; min-width: 96px; margin: -1px 0 0 -1px; padding: 3px 7px 2px; border: 1px solid var(--rule-strong); background: var(--sheet); }
.cell:focus-within { position: relative; background: var(--paper); box-shadow: inset 0 0 0 1px var(--link); }
.cell-select { flex-basis: 170px; }
.line .cell:first-child { flex: 0 1 72px; min-width: 72px; }
.line .cell:first-child, .fit-choice .cell:first-child { margin-left: 0; }
.cell-label { font-size: 12px; line-height: 1.3; color: var(--ink-soft); white-space: nowrap; }
.cell input, .cell select { width: 100%; border: 0; padding: 1px 0; background: transparent; color: var(--ink); font: 500 17px/1.4 var(--text); font-variant-numeric: tabular-nums; outline: none; }
.cell select { font-size: 15px; }
.cell select option { color: #12263a; background: #fff; }
.cell input[aria-invalid="true"] { color: var(--error); text-decoration: underline wavy; }
.line.has-error .cell { border-color: var(--error); }
.line-error { margin: 3px 0 0; color: var(--error); font-size: 14px; }
.fit-choice legend { float: none; }
.button, .link-button { font: 600 14px/1.3 var(--text); cursor: pointer; color: var(--ink); }
.button { padding: 6px 12px; background: transparent; border: 1px solid var(--rule-strong); }
.button:hover { background: var(--paper); }
.link-button { align-self: center; margin-left: 8px; padding: 2px 4px; background: none; border: 0; color: var(--link); text-decoration: underline; }
.calc-result { min-height: 170px; margin-top: 12px; }
.calc-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 10px 0 0; }
.copy-status { font-size: 14px; color: var(--ink-soft); }
.noscript { margin: 8px 0; font-size: 15px; }

/* The canary copy: the one loud thing on the site. Stays yellow in dark mode, as paper would. */
.canary { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 28px; padding: 10px 16px; background: var(--canary); color: var(--canary-ink); border: 2px solid var(--canary-ink); }
.canary-label { display: block; font: 700 12px/1.3 var(--display); letter-spacing: .08em; text-transform: uppercase; }
.canary-value { display: block; font: 700 clamp(38px, 6vw, 54px)/1 var(--display); font-variant-numeric: tabular-nums; }
.canary-facts { margin: 0; font-size: 15px; font-variant-numeric: tabular-nums; }
.hint { margin: 0; padding: 14px 16px; border: 1px dashed var(--rule-strong); font-size: 15px; color: var(--ink-soft); }
.result-table { margin-top: 10px; }
.result-note { margin: 6px 0 0; font-size: 14px; color: var(--ink-soft); }
.result-title { margin: 16px 0 4px; font: 700 18px/1.3 var(--display); }

.site-footer { padding: 16px 0 20px; background: var(--band); color: var(--band-ink); font-size: 14px; }
.site-footer a { color: inherit; }
.site-footer :focus-visible { outline-color: var(--canary); }
.disclaimer { margin: 0 0 8px; font-weight: 600; }
.footer-links { display: flex; flex-wrap: wrap; gap: 2px 16px; margin: 0 0 8px; padding: 0; list-style: none; }
.copyright { margin: 0; color: #a9bccd; }
.ad { margin: 20px 0; min-height: 100px; }

@media (max-width: 640px) {
  body { font-size: 16px; }
  .site-header .shell { flex-direction: column; }
  .cell, .line .cell:first-child { flex-basis: 30%; min-width: 88px; }
  .link-button { margin-left: 0; }
  .site-header nav a, .footer-links a, .crumbs a { display: inline-block; padding: 4px 0; }
  .nav-groups, .nav-groups ul { row-gap: 4px; }
  article li a { display: inline-block; padding: 2px 0; }
  th, td { padding: 6px 8px; }
}
@media print {
  :root { --paper: #fff; --sheet: #fff; --ink: #000; --ink-soft: #333; --rule: #999; --rule-strong: #000; --link: #000; --band: #fff; --band-ink: #000; --changed: #eee; --error: #000; }
  body { font-size: 11pt; }
  .site-header, .crumbs, .skip, .preview-bar, .ad, .calc-actions, .footer-links, .copyright, [data-add-line], [data-remove], .noscript { display: none !important; }
  .site-footer { padding: 8px 0 0; }
  .table-wrap { overflow: visible; }
  thead th { border-bottom: 2px solid #000; }
  .canary { background: none; }
  h2 { break-after: avoid; }
  tr { break-inside: avoid; }
}
@media (prefers-reduced-motion: no-preference) {
  a, .button { transition: background-color .1s linear; }
}