/* Infinite Search Space: shared styles for every page.
   One centred column on the poster's navy; cream text; teal, orange and magenta accents. */
:root {
  color-scheme: dark;
  --navy: #112a49;
  --navy-deep: #0b1d33;
  --cream: #ede4cc;
  --cream-dim: #b9b29c;
  --teal: #3fb5a5;
  --orange: #f0962f;
  --magenta: #c2457f;
  --rule: rgba(237, 228, 204, 0.16);
  --card: rgba(17, 42, 73, 0.5);
  --display: "Jost", "Futura", "Century Gothic", "Avenir Next", system-ui, sans-serif;
  --body: "Source Serif 4", Georgia, "Times New Roman", serif;
  --mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { background: var(--navy-deep); }
body { margin: 0; background: linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 70%); color: var(--cream); font: 19px/1.65 var(--body); min-height: 100vh; }
.wrap { max-width: 1040px; margin: 0 auto; padding-inline: 20px; padding-block: 0 56px; display: grid; gap: 56px; }

/* Header and navigation */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10; background: rgba(11, 29, 51, 0.88); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule); }
.site-header .bar { max-width: 1040px; margin: 0 auto; padding: 12px 20px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--cream); }
.brand img { height: 30px; width: auto; display: block; }
.brand span { font: 600 16px var(--display); letter-spacing: 0.02em; }
.site-nav { display: flex; gap: 4px; flex-wrap: wrap; }
.site-nav a { font: 500 14px var(--mono); letter-spacing: 0.04em; color: var(--cream-dim); text-decoration: none; padding: 6px 12px; border-radius: 999px; }
.site-nav a:hover { color: var(--cream); background: rgba(237, 228, 204, 0.08); }
.site-nav a[aria-current="page"] { color: var(--navy-deep); background: var(--cream); }
.wrap > :first-child { margin-top: 32px; }

/* Type */
h1, h2, h3 { font-family: var(--display); margin: 0; text-wrap: balance; }
h1 { font-weight: 700; font-size: clamp(36px, 6vw, 64px); line-height: 1.02; letter-spacing: -0.01em; }
h1 em { font-style: normal; color: var(--orange); }
h2 { font-weight: 600; font-size: 26px; line-height: 1.2; }
h3 { font-weight: 600; font-size: 20px; line-height: 1.25; }
p { margin: 0; }
.lede { font-size: 21px; }
.eyebrow { font: 500 12px var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--teal); }
section { display: grid; gap: 18px; }
a { color: var(--teal); text-underline-offset: 3px; }
a:hover { color: var(--orange); }
a:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; border-radius: 2px; }
.more { font: 500 14px var(--mono); letter-spacing: 0.04em; }

/* Home: hero, quote, cards */
.hero { display: grid; gap: 28px; }
.banner { width: 100%; height: auto; border-radius: 14px; display: block; box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35); }
.hero img { width: 100%; height: auto; border-radius: 14px; display: block; box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35); }
.soon { font: 600 15px var(--mono); color: var(--navy-deep); background: var(--orange); padding: 6px 12px; border-radius: 999px; justify-self: start; }
blockquote { margin: 0; padding: 22px 26px; border-left: 4px solid var(--magenta); background: rgba(194, 69, 127, 0.08); border-radius: 0 10px 10px 0; display: grid; gap: 12px; }
blockquote p { font: 600 clamp(18px, 2.2vw, 22px)/1.45 var(--display); max-width: none; }
blockquote footer { font: 13px/1.5 var(--mono); color: var(--cream-dim); }
blockquote cite { font-style: italic; }
.contests { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.contest { padding: 18px; border: 1px solid var(--rule); border-radius: 12px; display: grid; gap: 6px; align-content: start; background: var(--card); }
.contest h3 { font-size: 18px; }
.contest .when { font: 13px var(--mono); color: var(--cream-dim); }
.contest .winner { font-size: 15px; }
.contest .winner span { display: block; font: 500 11px var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--orange); }
.contest:nth-child(1) { border-top: 3px solid var(--orange); }
.contest:nth-child(2) { border-top: 3px solid var(--teal); }
.contest:nth-child(3) { border-top: 3px solid var(--magenta); }
.contest:nth-child(4) { border-top: 3px solid var(--cream-dim); }
.roots { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.roots .contest:nth-child(1) { border-top-color: var(--teal); }
.roots .contest:nth-child(2) { border-top-color: var(--orange); }
.roots .contest a { font: 13px var(--mono); }
.cites { display: grid; gap: 14px; padding: 0; margin: 0; list-style: none; }
.cites li { padding-left: 18px; border-left: 2px solid var(--rule); }

/* History: chapters along a timeline rail */
.chapters { display: grid; gap: 0; }
.chapter { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 28px; padding-block: 28px; border-top: 1px solid var(--rule); }
.chapter .mark { font: 600 15px/1.3 var(--mono); color: var(--orange); letter-spacing: 0.04em; padding-top: 4px; }
.chapter .mark small { display: block; font: 400 12px var(--mono); color: var(--cream-dim); letter-spacing: 0.08em; text-transform: uppercase; margin-top: 4px; }
.chapter .body { display: grid; gap: 14px; }
.chapter.contest-ch .body h3 { color: var(--cream); }
.chapter.contest-ch:nth-of-type(odd) .mark { color: var(--teal); }
.facts { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; list-style: none; }
.facts li { font: 13px var(--mono); color: var(--cream-dim); border: 1px solid var(--rule); border-radius: 999px; padding: 3px 10px; }
.facts li b { color: var(--cream); font-weight: 500; }
.podium { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; padding: 0; margin: 0; list-style: none; }
.podium li { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: 10px 12px; font-size: 15px; line-height: 1.35; }
.podium li span { display: block; font: 500 11px var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--cream-dim); margin-bottom: 2px; }
.podium li:first-child { border-color: var(--orange); }
.podium li:first-child span { color: var(--orange); }
.pull { margin: 0; padding: 4px 0 4px 18px; border-left: 3px solid var(--magenta); font-style: italic; }
.pull footer { font: normal 13px var(--mono); color: var(--cream-dim); margin-top: 6px; }
.thanks { display: flex; flex-wrap: wrap; gap: 8px 10px; padding: 0; margin: 0; list-style: none; }
.thanks li { font: 600 16px var(--display); background: var(--card); border: 1px solid var(--rule); border-radius: 8px; padding: 6px 12px; }

/* Footer */
.site-footer { border-top: 1px solid var(--rule); padding-top: 18px; font: 13px var(--mono); color: var(--cream-dim); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }
.site-footer a { color: var(--cream-dim); }

@media (max-width: 820px) { .contests { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) {
  .roots { grid-template-columns: 1fr; }
  .chapter { grid-template-columns: 1fr; gap: 10px; }
  .podium { grid-template-columns: 1fr; }
  .brand span { display: none; }
}
@media (max-width: 460px) { .contests { grid-template-columns: 1fr; } body { font-size: 17px; } }

/* Sign-in state in the header */
.site-nav .who { color: var(--orange); }
.site-nav .who[aria-current="page"] { color: var(--navy-deep); background: var(--orange); }

/* Forms, buttons, notices */
.panel { background: var(--card); border: 1px solid var(--rule); border-radius: 12px; padding: 22px; display: grid; gap: 14px; }
.btn { font: 600 15px var(--display); letter-spacing: 0.02em; border: 1px solid var(--rule); background: rgba(237, 228, 204, 0.06); color: var(--cream); border-radius: 10px; padding: 11px 16px; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 10px; justify-content: center; }
.btn:hover { background: rgba(237, 228, 204, 0.12); color: var(--cream); }
.btn.primary { background: var(--orange); color: var(--navy-deep); border-color: var(--orange); }
.btn.primary:hover { filter: brightness(1.08); color: var(--navy-deep); }
.btn.danger { border-color: rgba(194, 69, 127, 0.6); color: #f3a6c6; }
.btn[disabled] { opacity: 0.55; cursor: progress; }
.providers { display: grid; gap: 10px; max-width: 360px; }
input[type="text"], textarea { font: 16px var(--mono); color: var(--cream); background: rgba(11, 29, 51, 0.8); border: 1px solid var(--rule); border-radius: 8px; padding: 10px 12px; width: 100%; }
textarea { min-height: 150px; resize: vertical; line-height: 1.5; }
input:focus-visible, textarea:focus-visible, .btn:focus-visible { outline: 2px solid var(--orange); outline-offset: 2px; }
label { font: 500 13px var(--mono); letter-spacing: 0.06em; color: var(--cream-dim); }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.note { font-size: 15px; color: var(--cream-dim); }
.msg { border-radius: 10px; padding: 12px 14px; font-size: 16px; }
.msg.ok { background: rgba(63, 181, 165, 0.12); border: 1px solid rgba(63, 181, 165, 0.5); }
.msg.bad { background: rgba(194, 69, 127, 0.12); border: 1px solid rgba(194, 69, 127, 0.5); }
.msg.big { background: rgba(240, 150, 47, 0.14); border: 1px solid var(--orange); }
.test-banner { font: 500 14px/1.5 var(--mono); background: rgba(240, 150, 47, 0.12); border: 1px dashed var(--orange); border-radius: 10px; padding: 12px 16px; color: var(--cream); }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: 12px; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--rule); white-space: nowrap; }
th { font: 500 12px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--cream-dim); background: rgba(11, 29, 51, 0.6); }
td.num, th.num { text-align: right; font-family: var(--mono); }
tr:last-child td { border-bottom: 0; }
tr.me td { background: rgba(240, 150, 47, 0.1); }
.tag { font: 500 11px var(--mono); letter-spacing: 0.08em; padding: 2px 7px; border-radius: 999px; border: 1px solid var(--rule); color: var(--cream-dim); }
.tag.new { border-color: var(--orange); color: var(--orange); }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tabs button { font: 500 14px var(--mono); background: none; border: 1px solid var(--rule); color: var(--cream-dim); border-radius: 999px; padding: 6px 14px; cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--cream); color: var(--navy-deep); border-color: var(--cream); }
.prose { display: grid; gap: 14px; }
.prose ul { margin: 0; padding-left: 22px; display: grid; gap: 6px; }
code { font: 0.9em var(--mono); background: rgba(237, 228, 204, 0.08); padding: 1px 6px; border-radius: 5px; }

/* Contest cards that are links */
a.contest-link { color: var(--cream); text-decoration: none; transition: border-color 0.15s, transform 0.15s; }
a.contest-link:hover { border-color: var(--orange); transform: translateY(-2px); color: var(--cream); }
a.contest-link .tag { justify-self: start; }
a.contest-link .more { color: var(--teal); margin-top: 4px; }
.contests.classic { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.contests.classic .contest { border-top: 3px solid var(--rule); }
@media (max-width: 820px) { .contests.classic { grid-template-columns: 1fr; } }