/* ISDCF theme — modern minimal */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --color-bg: #ffffff;
  --color-bg-alt: #f6f7f9;
  --color-text: #16181d;
  --color-text-muted: #626a76;
  --color-border: #e6e8eb;
  --color-accent: #2455e0;
  --color-accent-hover: #1b3fb8;
  --color-heading: #183829;

  --max-width: 800px;
  --header-height: 64px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #14161a;
    --color-bg-alt: #1b1e24;
    --color-text: #eceef1;
    --color-text-muted: #9aa2ad;
    --color-border: #2a2d34;
    --color-accent: #6f92ff;
    --color-accent-hover: #8fa8ff;
    --color-heading: #b0ffda;
  }
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-heading);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header / navbar */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-bg);
}

.site-header .navbar {
  min-height: var(--header-height);
  background: var(--color-bg) !important;
  border-color: var(--color-border) !important;
}

.site-header .nav-link {
  color: var(--color-text-muted) !important;
  font-weight: 500;
}

.site-header .nav-link:hover,
.site-header .nav-link.active,
.site-header .dropdown-item:hover,
.site-header .dropdown-item.active {
  color: var(--color-text) !important;
}

.site-header .dropdown-menu {
  background: var(--color-bg);
  border-color: var(--color-border);
}

.site-header .dropdown-item {
  color: var(--color-text-muted);
}

/* Main content */

.site-main {
  min-height: calc(100vh - var(--header-height) - 120px);
  padding: 48px 0 64px;
}

.page-intro {
  margin-bottom: 40px;
}

.page-intro__title {
  font-size: 1.9rem;
  font-weight: 700;
  margin: 0 0 8px;
}

.page-intro__subtitle {
  color: var(--color-text-muted);
  margin: 0;
}

.section-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 48px 0 20px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

/* Post list / cards */

.post-list {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.post--card {
  padding-bottom: 40px;
  border-bottom: 1px solid var(--color-border);
}

.post-list > .post--card:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.post__header {
  margin-bottom: 12px;
}

.post--card .post__title {
  font-size: 1.4rem;
  margin: 0 0 6px;
}

.post--full .post__title {
  font-size: 2rem;
  margin: 0 0 6px;
}

.post__title a {
  color: var(--color-text);
}

.post__title a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.post__meta {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.post__categories a {
  color: var(--color-text-muted);
}

.post__content {
  margin-top: 16px;
}

.post__content h1 {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 32px 0 12px;
}

.post__content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 32px 0 12px;
}

.post__content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 24px 0 10px;
}

.post__content h4,
.post__content h5,
.post__content h6 {
  font-size: 1rem;
  font-weight: 700;
  margin: 20px 0 8px;
}

.post__content img {
  max-width: 100%;
  border-radius: 6px;
}

.headshot {
  width: 150px;
  height: 150px;
  object-fit: cover;
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  margin: 16px 0;
}

.logo-grid__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.logo-grid__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 110px;
  padding: 12px;
  margin-bottom: 8px;
  /* Fixed light background (not var(--color-bg)): most sponsor logos are
     authored with a light backdrop in mind (opaque white artwork, or dark
     linework on transparency), so they lose contrast or vanish if this box
     flips to the dark theme's background color. */
  background: #818181;
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.logo-grid__logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 0;
}

.logo-grid__name {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.post__content pre {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 16px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.post__content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-bg-alt);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}

.post__content pre code {
  background: none;
  padding: 0;
}

.post__more {
  display: inline-block;
  margin-top: 12px;
  font-weight: 500;
}

.post__tags {
  margin-top: 20px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.post__tags a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 4px 12px;
}

.post__tags a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.post__pager {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.95rem;
}

/* Archive */

.archive-year {
  font-size: 1.1rem;
  margin: 32px 0 12px;
}

.archive-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.archive-item {
  display: flex;
  gap: 16px;
  color: var(--color-text);
}

.archive-item time {
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
  width: 48px;
  flex-shrink: 0;
}

.archive-item:hover {
  color: var(--color-accent);
  text-decoration: none;
}

/* Tag / category cloud */

.term-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.term-cloud__item {
  color: var(--color-text);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.95rem;
}

.term-cloud__item:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.term-cloud__count {
  color: var(--color-text-muted);
  font-size: 0.85em;
}

/* Pagination */

.pager {
  margin-top: 48px;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
}

.pager a {
  font-weight: 500;
}

.pager .page-number.current {
  color: var(--color-text);
  font-weight: 700;
}

.pager .space {
  display: none;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--color-border);
}

.site-footer__inner {
  padding: 24px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  text-align: center;
}

/* Mobile */

@media (max-width: 640px) {
  .post--full .post__title {
    font-size: 1.6rem;
  }

  .post__pager {
    flex-direction: column;
  }
}

/* Registries (ported from https://github.com/ISDCF/registries-site) */

.container--wide {
  max-width: 1360px;
}

.site-main--registry {
  padding: 24px 0 64px;
}

.registry-breadcrumb .breadcrumb {
  margin: 0 0 20px;
  padding: 10px 16px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 0.85rem;
}

.registry-layout {
  display: flex;
  align-items: flex-start;
  gap: 32px;
}

.registry-sidebar {
  flex: 0 0 260px;
  width: 260px;
  position: sticky;
  top: calc(var(--header-height) + 16px);
  max-height: calc(100vh - var(--header-height) - 32px);
  overflow-y: auto;
}

.registry-pagination {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 0.85rem;
}

.registry-pagination--bottom {
  margin-top: 40px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  margin-bottom: 0;
}

.registry-menu {
  margin: 0;
  padding: 0;
  font-size: 0.9rem;
}

.registry-menu__link {
  display: block;
  padding: 8px 10px;
  color: var(--color-text-muted);
  border: 1px solid transparent;
  border-radius: 6px;
}

.registry-menu__link:hover {
  background: var(--color-bg-alt);
  color: var(--color-text);
  text-decoration: none;
}

.registry-menu__link.active {
  background: var(--color-bg-alt);
  border-color: var(--color-border);
  color: var(--color-text);
  font-weight: 600;
}

.registry-menu__link--sub {
  padding-left: 20px;
  font-size: 0.87rem;
}

.registry-menu__section {
  margin-top: 6px;
}

.registry-menu__section-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  border-radius: 6px;
}

.registry-menu__section-toggle:hover {
  background: var(--color-bg-alt);
  text-decoration: none;
}

.registry-menu__section-toggle::after {
  content: "";
  width: 0.5em;
  height: 0.5em;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.registry-menu__section-toggle.collapsed::after {
  transform: rotate(-45deg);
}

.registry-menu__sub {
  margin: 2px 0 4px;
  padding: 0;
}

.registry-main {
  flex: 1 1 auto;
  min-width: 0;
}

.registry-main__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 16px;
  margin-bottom: 24px;
}

.registry-main__title {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0;
}

.registry-main__actions {
  display: flex;
  gap: 16px;
  font-size: 0.9rem;
  white-space: nowrap;
}

.registry-action {
  color: var(--color-text-muted);
}

.registry-action:hover {
  color: var(--color-accent);
}

.registry-section {
  margin-bottom: 32px;
}

.registry-section--tabs .nav-tabs {
  border-bottom-color: var(--color-border);
}

.registry-section--tabs .nav-link {
  color: var(--color-text-muted);
  border-color: transparent;
}

.registry-section--tabs .nav-link.active {
  color: var(--color-text);
  background: var(--color-bg);
  border-color: var(--color-border) var(--color-border) var(--color-bg);
}

.registry-rules {
  margin-top: 16px;
  padding: 16px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-style: italic;
}

.registry-sidenote {
  padding: 16px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-style: italic;
}

.registry-table-wrap {
  overflow-x: auto;
}

.registry-table-wrap table {
  font-size: 0.87rem;
}

.registry-table-wrap code {
  color: var(--color-accent-hover);
  background: none;
  padding: 0;
}

.registry-table-wrap .sampCode {
  color: var(--color-text-muted);
}

.registry-table-wrap .cell-breakAll {
  word-break: break-all;
}

.registry-table-wrap .sort-column {
  width: 3em;
}

.registry-table-wrap a.anchor {
  display: block;
  position: relative;
  top: -80px;
  visibility: hidden;
}

.registry-table-wrap .dataTables_wrapper,
.registry-table-wrap .dataTables_info,
.registry-table-wrap .dataTables_filter {
  color: var(--color-text-muted);
}

.registry-table-wrap .dataTables_filter input {
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 2px 6px;
}

.registry-table-wrap table.dataTable thead th {
  border-bottom: 2px solid var(--color-border);
}

.registry-table-wrap table.dataTable tbody tr {
  background: var(--color-bg);
  color: var(--color-text);
}

.registry-table-wrap table.dataTable.display tbody tr.odd {
  background: var(--color-bg-alt);
}

.post__content .image {
  display: block;
  width: 50%;
  margin: 16px auto;
}

.post__content .illGuide {
  display: block;
  width: 100%;
  height: auto;
  margin: 16px auto;
}

.post__content a.anchor {
  display: block;
  position: relative;
  top: -80px;
  visibility: hidden;
}

@media (max-width: 900px) {
  .registry-layout {
    flex-direction: column;
  }

  .registry-sidebar {
    position: static;
    width: 100%;
    max-height: none;
  }
}

@media print {
  .registry-sidebar,
  .registry-breadcrumb,
  .registry-pagination {
    display: none !important;
  }

  .registry-layout {
    display: block;
  }
}