/* Shared design tokens for every infographic in this repo. */

@import url("fonts/fonts.css");

:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-raised: #ffffff;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --ink-muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.1);
  --wash: rgba(11, 11, 11, 0.04);
  --accent: #2a78d6;

  /* Categorical slots (validated: adjacent + all-pairs for the first three). */
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-3: #1baf7a;
  --series-4: #eda100;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  /* Headlines and big numbers: a condensed display face, like a sports page. */
  --display: "Barlow Condensed", "Arial Narrow", var(--font);
  --radius: 14px;
  --gutter: 16px;
  --max: 1120px;
  --nav-h: 56px;
  --shadow: 0 1px 2px rgba(11, 11, 11, 0.04), 0 4px 16px rgba(11, 11, 11, 0.05);

  /* Each sport's accent (set from the page's folder by theme.js). Used for markers and rules, not body text. */
  --sport: var(--accent);
  --tennis: #2f8f4e;
  --football: #2264c9;
  --basketball: #e0621b;
  --olympics: #0a7bc2;
  --swimming: #0a8fb8;
  --handball: #c0263a;
  --rugby: #6b3fa0;
  --volleyball: #c79300;
  --hockey: #1d8c84;
  --motorsport: #d42020;
  --american-football: #5f7a1c;
  --ice-hockey: #2f5f8f;
  --baseball: #a3302a;
  --boxing: #b91c1c;
  --chess: #8a5a2b;
  --cycling: #b07d00;
  --golf: #2e7d32;

  /* Medal colors */
  --gold: #c9971a;
  --silver: #9a9fa6;
  --bronze: #b06a36;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --surface-raised: #222220;
    --ink: #f0efec;
    --ink-2: #c3c2b7;
    --ink-muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.1);
    --wash: rgba(255, 255, 255, 0.05);
    --accent: #3987e5;
    --series-1: #3987e5;
    --series-2: #d95926;
    --series-3: #199e70;
    --series-4: #c98500;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 18px rgba(0, 0, 0, 0.25);
    --tennis: #4cb46d;
    --football: #4b8ef0;
    --basketball: #f07a35;
    --olympics: #3aa3e6;
    --swimming: #2bb3dc;
    --handball: #e5485c;
    --rugby: #a07ad8;
    --volleyball: #e8b923;
    --hockey: #34b3a9;
    --motorsport: #f05252;
  --american-football: #9ec24a;
  --ice-hockey: #7fb0e0;
    --baseball: #e0726a;
    --boxing: #ef4444;
    --chess: #d29a5c;
  --cycling: #e0b030;
  --golf: #62bf66;
    --cycling: #e0b030;
    --golf: #62bf66;
    --gold: #d6a730;
    --silver: #a9aeb5;
    --bronze: #c07a45;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --surface-raised: #222220;
  --ink: #f0efec;
  --ink-2: #c3c2b7;
  --ink-muted: #898781;
  --grid: #2c2c2a;
  --axis: #383835;
  --border: rgba(255, 255, 255, 0.1);
  --wash: rgba(255, 255, 255, 0.05);
  --accent: #3987e5;
  --series-1: #3987e5;
  --series-2: #d95926;
  --series-3: #199e70;
  --series-4: #c98500;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 18px rgba(0, 0, 0, 0.25);
  --tennis: #4cb46d;
  --football: #4b8ef0;
  --basketball: #f07a35;
  --olympics: #3aa3e6;
  --swimming: #2bb3dc;
  --handball: #e5485c;
  --rugby: #a07ad8;
  --volleyball: #e8b923;
  --hockey: #34b3a9;
  --motorsport: #f05252;
  --american-football: #9ec24a;
  --ice-hockey: #7fb0e0;
  --baseball: #e0726a;
  --boxing: #ef4444;
  --chess: #d29a5c;
  --gold: #d6a730;
  --silver: #a9aeb5;
  --bronze: #c07a45;
}

[data-sport="tennis"] { --sport: var(--tennis); }
[data-sport="football"] { --sport: var(--football); }
[data-sport="basketball"] { --sport: var(--basketball); }
[data-sport="olympics"] { --sport: var(--olympics); }
[data-sport="athletics"] { --sport: var(--olympics); }
[data-sport="swimming"] { --sport: var(--swimming); }
[data-sport="handball"] { --sport: var(--handball); }
[data-sport="rugby"] { --sport: var(--rugby); }
[data-sport="volleyball"] { --sport: var(--volleyball); }
[data-sport="hockey"] { --sport: var(--hockey); }
[data-sport="motorsport"] { --sport: var(--motorsport); }
[data-sport="boxing"] { --sport: var(--boxing); }
[data-sport="chess"] { --sport: var(--chess); }
[data-sport="american-football"] { --sport: var(--american-football); }
[data-sport="ice-hockey"] { --sport: var(--ice-hockey); }
[data-sport="baseball"] { --sport: var(--baseball); }
[data-sport="cycling"] { --sport: var(--cycling); }
[data-sport="golf"] { --sport: var(--golf); }

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  overflow-x: hidden;
}

a {
  color: var(--accent);
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin: 0 0 14px;
}

/* A short rule in the sport's color before the section label. */
.kicker::before {
  content: "";
  width: 22px;
  height: 4px;
  border-radius: 2px;
  background: var(--sport);
}

h1, h2, h3 {
  text-wrap: balance;
}

:focus-visible {
  outline: 2px solid var(--sport);
  outline-offset: 2px;
}

/* ---------- Site navigation (built by theme.js) ---------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  height: var(--nav-h);
  background: color-mix(in srgb, var(--page) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-nav::after {
  /* the current sport's color along the bottom edge */
  content: "";
  position: absolute;
  inset: auto 0 -1px 0;
  height: 2px;
  background: var(--sport);
  opacity: 0.85;
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
  margin-right: 8px;
}

.brand strong {
  font-weight: 800;
  color: var(--sport);
}

.nav-groups {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.nav-group {
  position: relative;
}

.nav-group summary {
  list-style: none;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  white-space: nowrap;
}

.nav-group summary::-webkit-details-marker {
  display: none;
}

.nav-group summary::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-3px) rotate(45deg);
  opacity: 0.6;
}

.nav-group summary:hover,
.nav-group[open] summary {
  background: var(--wash);
  color: var(--ink);
}

.nav-group.active summary {
  color: var(--ink);
  box-shadow: inset 0 -2px 0 var(--sport);
  border-radius: 8px 8px 0 0;
}

.nav-drop {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  display: grid;
  padding: 6px;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
}

.nav-drop a {
  padding: 7px 10px;
  border-radius: 8px;
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
}

.nav-drop a:hover {
  background: var(--wash);
}

.nav-drop a[aria-current="page"] {
  font-weight: 650;
  box-shadow: inset 3px 0 0 var(--sport);
}

.nav-menu {
  display: none;
  margin-left: auto;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-raised);
  color: var(--ink);
  cursor: pointer;
}

.theme-toggle {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface-raised);
  color: var(--ink-2);
  font-size: 15px;
  cursor: pointer;
}

@media (max-width: 900px) {
  .nav-menu {
    display: inline-block;
  }

  /* On small screens the sports fold into a panel under the bar. */
  .nav-groups {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--gutter) 16px;
    background: var(--page);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.15);
  }

  .site-nav.menu-open .nav-groups {
    display: flex;
  }

  .nav-group summary {
    padding: 10px 4px;
    font-size: 16px;
  }

  .nav-group.active summary {
    box-shadow: inset 3px 0 0 var(--sport);
    padding-left: 10px;
    border-radius: 0;
  }

  .nav-drop {
    position: static;
    min-width: 0;
    box-shadow: none;
    border: 0;
    background: transparent;
    padding: 0 0 8px 8px;
  }
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 80px;
  padding-top: 28px;
  padding-bottom: 56px;
  color: var(--ink-muted);
  font-size: 14px;
  line-height: 1.6;
}

.site-footer strong {
  color: var(--ink-2);
}