:root {
  --paper: #FFFFFF;
  --ink: #17212B;
  --ink-2: #55616C;
  --rule: #D9DFE4;
  --wash: #F2F5F7;
  --link: #005387;
  --blue: #005387;
  --yellow: #F9A800;
  --green: #237F52;
  --plate-ink: #FFFFFF;
  --sign: "Barlow Semi Condensed", "Arial Narrow", "Roboto Condensed", system-ui, sans-serif;
  --body: "Atkinson Hyperlegible Next", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --paper: #0E151C; --ink: #E8EDF1; --ink-2: #A3AFBA; --rule: #26313B; --wash: #16202A; --link: #7DB8E8; color-scheme: dark; }
}
:root[data-theme="dark"] { --paper: #0E151C; --ink: #E8EDF1; --ink-2: #A3AFBA; --rule: #26313B; --wash: #16202A; --link: #7DB8E8; color-scheme: dark; }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--body); font-size: 1.0625rem; line-height: 1.6; }
a { color: var(--link); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--yellow); outline-offset: 2px; }
h1, h2, h3 { margin: 0; font-family: var(--sign); font-weight: 600; line-height: 1.1; text-wrap: balance; }
p, ol, ul, dl, dd { margin: 0; }
ul, ol { padding: 0; }
.wrap { max-width: 1160px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
[hidden] { display: none !important; }

/* sign plates: the one loud element */
.plate { display: inline-flex; align-items: center; gap: 7px; font-family: var(--sign); font-weight: 600; font-size: 0.95rem; line-height: 1; padding: 5px 10px 5px 8px; border-radius: 3px; white-space: nowrap; }
.plate svg { width: 11px; height: 11px; flex: none; }
.plate.act { background: var(--blue); color: #FFFFFF; }
.plate.plan { background: var(--yellow); color: #17212B; }
.plate.know { background: var(--green); color: #FFFFFF; }

/* header */
.top { border-bottom: 1px solid var(--rule); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 10px 28px; flex-wrap: wrap; padding-block: 14px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-family: var(--sign); font-weight: 700; font-size: 1.45rem; line-height: 1; }
.brand svg { width: 26px; height: 26px; flex: none; }
.top nav { display: flex; gap: 6px 22px; flex-wrap: wrap; }
.top nav a { color: var(--ink); text-decoration: none; font-weight: 600; font-size: 0.98rem; }
.top nav a:hover { color: var(--link); text-decoration: underline; }

/* hero */
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 32px 64px; padding-block: 52px 48px; align-items: end; }
.hero h1 { font-size: clamp(2.35rem, 5vw, 3.6rem); font-weight: 700; letter-spacing: -0.005em; max-width: 15em; }
.hero .lede { margin-top: 18px; font-size: 1.16rem; max-width: 34em; color: var(--ink-2); }
.signup { margin-top: 26px; max-width: 32rem; }
.signup label { display: block; font-weight: 700; margin-bottom: 8px; }
.signup .row { display: flex; gap: 8px; flex-wrap: wrap; }
.signup input { flex: 1 1 14rem; min-width: 0; font: inherit; padding: 11px 13px; border: 2px solid var(--ink); border-radius: 3px; background: var(--paper); color: var(--ink); }
.signup button, .btn { font: inherit; font-weight: 700; padding: 11px 18px; border: 2px solid var(--blue); background: var(--blue); color: #FFFFFF; border-radius: 3px; cursor: pointer; }
.signup button:hover, .btn:hover { filter: brightness(1.12); }
.signup .hint { margin-top: 8px; font-size: 0.92rem; color: var(--ink-2); }
.signup .msg { margin-top: 8px; font-weight: 700; }

.key { border: 2px solid var(--ink); border-radius: 4px; padding: 20px 22px 22px; }
.key h2 { font-size: 1.3rem; }
.key p { margin-top: 4px; color: var(--ink-2); font-size: 0.97rem; }
.key ul { list-style: none; margin-top: 16px; display: grid; gap: 14px; }
.key li { display: grid; grid-template-columns: 8.4rem 1fr; gap: 12px; align-items: center; font-size: 0.98rem; }
.key .plate { justify-self: start; }

/* section heads */
.sec-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px 24px; flex-wrap: wrap; margin-bottom: 22px; }
.sec-head h2 { font-size: clamp(1.75rem, 3vw, 2.2rem); font-weight: 700; }
.sec-head p { color: var(--ink-2); font-size: 0.97rem; max-width: 40em; }

/* news */
.news { border-top: 1px solid var(--rule); }
.news .wrap { padding-block: 44px 56px; }
.lead { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 24px 56px; padding-bottom: 36px; border-bottom: 2px solid var(--ink); align-items: start; }
.lead .todo { margin-top: 0; }
.when { display: flex; align-items: center; gap: 6px 12px; flex-wrap: wrap; font-size: 0.93rem; color: var(--ink-2); }
.when strong { color: var(--ink); font-weight: 700; }
.lead h3 { margin-top: 14px; font-size: clamp(1.75rem, 3.2vw, 2.35rem); }
.lead .summary { margin-top: 14px; font-size: 1.12rem; }
.lead .means { margin-top: 12px; color: var(--ink-2); }
.todo { margin-top: 22px; background: var(--wash); border-left: 6px solid var(--blue); padding: 16px 20px 18px; border-radius: 0 4px 4px 0; }
.todo h4 { margin: 0; font-family: var(--sign); font-weight: 600; font-size: 1.2rem; }
.todo ol { margin-top: 8px; padding-left: 1.3rem; display: grid; gap: 6px; }
.links { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 0.97rem; }
.side { list-style: none; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0 56px; }
.side li { padding-block: 28px; }
.side li:nth-child(n+3) { border-top: 1px solid var(--rule); }
.side h3 { margin-top: 10px; font-size: 1.32rem; }
.side .summary { margin-top: 8px; font-size: 0.99rem; }
.side .do { margin-top: 8px; font-size: 0.99rem; }
.side .do b { font-weight: 700; }
.side .links { margin-top: 8px; font-size: 0.93rem; }

/* tools */
.tools { background: var(--wash); }
.tools .wrap { padding-block: 48px 56px; }
.tool-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.tool { background: var(--paper); border: 1px solid var(--rule); border-top: 6px solid var(--ink); border-radius: 4px; padding: 20px 20px 22px; display: flex; flex-direction: column; gap: 10px; scroll-margin-top: 16px; }
.tool h3 { font-size: 1.4rem; }
.tool .for { font-size: 0.93rem; color: var(--ink-2); }
.tool .actions { margin-top: auto; padding-top: 8px; display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; }
.tool .linkbtn { font: inherit; background: none; border: 0; padding: 0; color: var(--link); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; font-size: 0.97rem; }
.tool details summary { cursor: pointer; color: var(--link); font-size: 0.97rem; }
.tool pre { margin: 10px 0 0; white-space: pre-wrap; font-family: var(--body); font-size: 0.9rem; line-height: 1.5; background: var(--wash); border-radius: 3px; padding: 12px 14px; max-height: 22rem; overflow: auto; }
.tool .done { font-size: 0.93rem; font-weight: 700; }

/* deadlines */
.deadlines .wrap { padding-block: 48px 56px; }
.dl { list-style: none; border-top: 2px solid var(--ink); }
.dl li { display: grid; grid-template-columns: 9.5rem 8.6rem minmax(0, 1fr); gap: 4px 24px; padding-block: 16px; border-bottom: 1px solid var(--rule); align-items: start; }
.dl time { display: block; font-family: var(--sign); font-weight: 600; font-size: 1.15rem; line-height: 1.3; }
.dl .rel { display: block; font-size: 0.9rem; color: var(--ink-2); }
.dl .plate { justify-self: start; }
.dl h3 { font-family: var(--body); font-weight: 700; font-size: 1.05rem; line-height: 1.4; }
.dl .do { margin-top: 2px; font-size: 0.98rem; }
.dl .src { margin-top: 4px; font-size: 0.9rem; color: var(--ink-2); }
.more { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 10px 22px; align-items: center; }
.ghost { font: inherit; font-weight: 700; padding: 9px 16px; border: 2px solid var(--ink); background: var(--paper); color: var(--ink); border-radius: 3px; cursor: pointer; }
.ghost:hover { background: var(--wash); }

/* brief */
.brief .wrap { padding-block: 0 56px; }
.brief-box { border: 2px solid var(--ink); border-radius: 4px; padding: 30px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px 48px; align-items: start; }
.brief-box h2 { font-size: clamp(1.75rem, 3vw, 2.2rem); font-weight: 700; }
.brief-box p { margin-top: 10px; max-width: 32em; }
.brief-box .signup { margin-top: 0; }

/* about */
.about { border-top: 1px solid var(--rule); }
.about .wrap { padding-block: 44px 52px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px 48px; }
.about h2 { font-size: 1.6rem; font-weight: 700; }
.about p { margin-top: 10px; max-width: 34em; }
.about ul { list-style: none; display: grid; gap: 12px; }
.about li { color: var(--ink-2); }
.about li b { color: var(--ink); display: block; }

footer { border-top: 1px solid var(--rule); }
footer .wrap { padding-block: 22px 40px; display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 0.9rem; color: var(--ink-2); }
footer a { color: var(--ink-2); }

@media (max-width: 980px) {
  .tool-grid { grid-template-columns: 1fr; }
  .lead, .side { grid-template-columns: 1fr; }
  .side li:nth-child(n+2) { border-top: 1px solid var(--rule); }
}
@media (max-width: 760px) {
  .hero .wrap, .brief-box, .about .wrap { grid-template-columns: 1fr; }
  .hero .wrap { padding-block: 36px 40px; }
  .brief-box { padding: 22px 18px; }
  .dl li { grid-template-columns: auto 1fr; }
  .dl .when-col { display: flex; gap: 10px; align-items: baseline; }
  .dl .plate { justify-self: end; }
  .dl .body-col { grid-column: 1 / -1; }
  .key li { grid-template-columns: 1fr; gap: 6px; }
}
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

.crumbs { padding-top: 26px; font-size: 0.93rem; color: var(--ink-2); }
.crumbs a { color: var(--ink-2); }
.page-head .wrap { padding-block: 0 30px; }
.page-head .when { margin-top: 18px; }
.page-head h1 { margin-top: 14px; font-size: clamp(2.1rem, 4.6vw, 3.3rem); font-weight: 700; max-width: 21em; }
.page-head .lede { margin-top: 16px; font-size: 1.2rem; max-width: 38em; }
.page-head .byline { margin-top: 14px; font-size: 0.93rem; color: var(--ink-2); }
.split .wrap { display: grid; grid-template-columns: minmax(0, 1fr) 19rem; gap: 40px 64px; padding-block: 38px 56px; position: relative; }
.split .wrap::before { content: ""; position: absolute; top: 0; left: max(16px, env(safe-area-inset-left, 0px)); right: max(16px, env(safe-area-inset-right, 0px)); border-top: 2px solid var(--ink); }
a.btn { display: inline-block; text-decoration: none; }
.prose h2 { font-size: 1.55rem; margin-top: 40px; }
.prose > h2:first-child, .prose > .todo:first-child { margin-top: 0; }
.prose p, .prose ul, .prose ol { max-width: 40em; }
.prose p { margin-top: 10px; }
.prose .changes { margin-top: 12px; padding-left: 1.25rem; display: grid; gap: 10px; }
.prose .todo { margin-top: 28px; max-width: 40em; }
.timeline { list-style: none; margin-top: 16px; padding: 0; border-left: 3px solid var(--rule); max-width: 40em; }
.timeline li { position: relative; padding: 0 0 20px 24px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before { content: ""; position: absolute; left: -9px; top: 5px; width: 15px; height: 15px; border-radius: 50%; background: var(--paper); border: 3px solid var(--blue); }
.timeline li.past::before { background: var(--ink-2); border-color: var(--ink-2); }
.timeline time { display: block; font-family: var(--sign); font-weight: 600; font-size: 1.15rem; line-height: 1.3; }
.timeline .rel { color: var(--ink-2); font-size: 0.92rem; margin-left: 8px; font-family: var(--body); font-weight: 400; }
.sources { margin-top: 12px; padding-left: 1.25rem; display: grid; gap: 6px; }
.aside { display: grid; gap: 20px; align-content: start; position: sticky; top: 20px; align-self: start; }
.box { border: 2px solid var(--ink); border-radius: 4px; padding: 18px 18px 20px; }
.box h2 { font-size: 1.3rem; }
.box p { margin-top: 6px; font-size: 0.97rem; }
.box .btn { display: inline-block; margin-top: 12px; text-decoration: none; }
.box.quiet { border: 1px solid var(--rule); background: var(--wash); }
.box .signup { margin-top: 10px; }
.box .signup .row { flex-direction: column; }
.box .signup input { flex: none; width: 100%; }
.more-list { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 40px; }
.more-list li { padding-block: 18px; border-top: 1px solid var(--rule); }
.more-list h3 { margin-top: 10px; font-size: 1.25rem; }
.more-list h3 a, .side h3 a, .lead h3 a, .index-list h3 a, .tool h3 a { color: var(--ink); text-decoration: none; }
.more-list h3 a:hover, .side h3 a:hover, .lead h3 a:hover, .index-list h3 a:hover, .tool h3 a:hover { color: var(--link); text-decoration: underline; }
.more .wrap { padding-block: 8px 56px; }
.more h2 { font-size: 1.6rem; margin-bottom: 16px; }
.read { font-weight: 700; }
.index-list { list-style: none; border-top: 2px solid var(--ink); }
.index-list li { padding-block: 26px; border-bottom: 1px solid var(--rule); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px 48px; }
.index-list h3 { margin-top: 10px; font-size: 1.55rem; }
.index-list .summary { margin-top: 10px; }
.index-list .do { align-self: end; }
.letter { margin: 14px 0 0; white-space: pre-wrap; font-family: var(--body); font-size: 1rem; line-height: 1.6; background: var(--wash); border: 1px solid var(--rule); border-radius: 4px; padding: 20px 22px; max-width: 42em; }
.copyrow { margin-top: 14px; display: flex; gap: 10px 18px; flex-wrap: wrap; align-items: center; }
.urlbox { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; max-width: 40em; }
.urlbox input { flex: 1 1 18rem; min-width: 0; font: inherit; padding: 10px 12px; border: 2px solid var(--ink); border-radius: 3px; background: var(--wash); color: var(--ink); }
.apps { margin-top: 14px; display: grid; gap: 14px; max-width: 40em; }
.apps div b { display: block; }
.dl-year { font-family: var(--sign); font-weight: 600; font-size: 1.4rem; margin: 36px 0 10px; }
.dl-year:first-child { margin-top: 0; }
.nf .wrap { padding-block: 72px 96px; }
.nf h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
.nf p { margin-top: 14px; font-size: 1.15rem; max-width: 34em; }
.nf ul { margin-top: 18px; padding-left: 1.25rem; display: grid; gap: 6px; }
.top nav a[aria-current="page"] { color: var(--link); text-decoration: underline; text-decoration-thickness: 2px; }
@media (max-width: 980px) {
  .split .wrap { grid-template-columns: 1fr; }
  .aside { position: static; }
  .more-list { grid-template-columns: 1fr; }
  .index-list li { grid-template-columns: 1fr; }
}

.plate.past-plate { background: var(--wash); color: var(--ink-2); border: 1px solid var(--rule); }
.note { margin-top: 28px; font-size: 0.93rem; color: var(--ink-2); }