/*
 * Shared stylesheet for all WATU hosts:
 *   wearetheuniversity.org
 *   blog.wearetheuniversity.org
 *   archive.wearetheuniversity.org
 *
 * Source of truth: shared/style.css
 * Each Eleventy config passthrough-copies this to /style.css
 *
 * Design: "Red Thread" (July 2026) — dark-first, the caps-italic wordmark
 * extended into page headings, red admitted only as thin lines: the masthead
 * rule, the active/hover nav underline, and link hover underlines.
 */

/* —— Design tokens —— */
html {
  --color-bg: #121212;
  --color-bg-em: #1a1a1a;
  --color-text: #e6e3de;
  --color-text-strong: #f2f0eb;
  --color-muted: #8d897f;
  --color-link: #8fc1e8;
  --color-link-hover: #e6e3de;
  --color-red: #d63a26;
  --color-border: #262626;
  --color-border-dark: #3a3a3a;
  --color-chip-bg: #e6e3de;
  --color-chip-text: #121212;

  --font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-display: "Arial Black", Gadget, sans-serif;
  --font-size: 16px;
  --line-height: 1.6;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;

  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;

  --content-max: 680px;

  background-color: var(--color-bg);
  color: var(--color-text);
}

@media print {
  html {
    --color-bg: #ffffff;
    --color-bg-em: #f0f0f0;
    --color-text: #181818;
    --color-text-strong: #000000;
    --color-muted: #555555;
    --color-link: #005a9e;
    --color-link-hover: #003d6b;
    --color-red: #b3261e;
    --color-border: #cccccc;
    --color-border-dark: #999999;
    --color-chip-bg: #181818;
    --color-chip-text: #ffffff;
  }
}

/* —— Base —— */
body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-family);
  font-size: var(--font-size);
  line-height: var(--line-height);
}

a {
  color: var(--color-link);
  white-space: normal;
  word-break: break-word;
}

a:hover {
  color: var(--color-link-hover);
  text-decoration-color: var(--color-red);
  text-decoration-thickness: 2px;
}

p {
  margin: 0 0 var(--spacing-sm) 0;
  line-height: var(--line-height);
}

strong {
  font-weight: bolder;
}

h1, h2, h3, h4, h5, h6 {
  margin: var(--spacing-md) 0 var(--spacing-sm) 0;
  line-height: 1.25;
  color: var(--color-text-strong);
}

/* Page titles speak in the wordmark's voice */
main h1 {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  font-size: clamp(1.4rem, 3.6vw, 2rem);
  line-height: 1.08;
}

/* —— Chrome: header / nav / logo —— */
header {
  box-sizing: border-box;
  background-color: var(--color-bg);
  color: var(--color-text);
  width: 100%;
  text-align: center;
  padding: 2rem 1rem 0;
  border-bottom: 3px solid var(--color-red);
}

header h1 {
  color: var(--color-text);
}

.logo {
  user-select: none;
  display: inline-block;
  text-align: center;
  word-break: break-word;
  overflow-wrap: anywhere;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: clamp(1.15rem, 3vw, 1.6rem);
  margin: 0 0 var(--spacing-sm);
}

.logo a {
  color: inherit;
  text-decoration: none;
}

.logo a:hover {
  color: inherit;
}

nav {
  display: flex;
  justify-content: center;
}

nav ul {
  list-style-type: none;
  display: flex;
  flex-wrap: wrap;
  padding: 0;
  margin: 0;
  justify-content: center;
  column-gap: 1.7rem;
}

nav ul li a {
  display: block;
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.6rem 0 0.9rem;
  border-bottom: 2px solid transparent;
  box-sizing: border-box;
  line-height: 1.4;
}

nav ul li a:hover,
nav ul li a:focus-visible {
  color: var(--color-text);
  border-bottom-color: var(--color-red);
}

nav ul li a[aria-current="page"] {
  color: var(--color-text);
  border-bottom-color: var(--color-red);
}

/* —— Main content —— */
main {
  max-width: var(--content-max);
  width: 100%;
  margin: 0 auto;
  flex-grow: 1;
  box-sizing: border-box;
  padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-md);
}

/* Manifesto sign-off: wordmark inverted — black on a white box */
.sig-box {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.9rem;
  background: var(--color-chip-bg);
  color: var(--color-chip-text);
  padding: 0.25rem 0.55rem;
  display: inline-block;
  margin-top: 0.4rem;
}

/* Source / topic chip (archive records, tags) */
.tag {
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-chip-text);
  background: var(--color-chip-bg);
  font-weight: bold;
  padding: 0.12rem 0.5rem;
  white-space: nowrap;
}

/* —— Footer / meta —— */
.site-footer {
  text-align: center;
  border-top: 1px solid var(--color-border);
  margin-top: var(--spacing-md);
  padding: 1em 0;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.74rem;
  color: var(--color-text);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-color: var(--color-red);
  text-decoration-thickness: 2px;
}

.authors-meta {
  margin-top: 2em;
  color: var(--color-muted);
  font-size: 0.95em;
  text-align: center;
}

/* —— Tables / lists —— */
table {
  border-collapse: collapse;
  width: 100%;
  margin-bottom: var(--spacing-md);
}

th,
td {
  padding: 0.5rem 1rem 0.5rem 0;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--color-border);
  overflow-wrap: anywhere;
}

td:first-child {
  white-space: nowrap;
}

th {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  font-weight: 700;
}

td small,
td:first-child {
  color: var(--color-muted);
  font-variant-numeric: tabular-nums;
}

.year-list {
  columns: 2;
  column-gap: 2rem;
  list-style: none;
  padding: 0;
}

/* —— Code —— */
code {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  padding: 0.1rem 0.35rem;
  background-color: var(--color-bg-em);
  color: var(--color-text);
  overflow: auto;
  max-width: 100%;
}

pre code {
  display: block;
  padding: 0.5rem 1rem;
}

/* —— Focus (a11y) —— */
:focus-visible {
  outline: 2px solid var(--color-link);
  outline-offset: 2px;
}

/* —— Print —— */
@media print {
  .site-footer,
  nav {
    display: none;
  }

  main {
    max-width: max-content;
  }

  header {
    border-bottom-color: #181818;
  }

  header h1,
  .logo {
    margin-top: 0;
    font-size: 2.5rem;
  }
}

/* —— Mobile —— */
@media (max-width: 600px) {
  .year-list {
    columns: 1;
  }

  table {
    display: block;
    overflow-x: auto;
  }

  nav ul {
    column-gap: 1rem;
  }
}

#table-of-contents ul {
  break-before: column;
}