@font-face {
  font-family: "D-DIN";
  src: url("/partnerships/fonts/D-DIN.woff2") format("woff2"),
    url("/partnerships/fonts/D-DIN.woff") format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "D-DIN";
  src: url("/partnerships/fonts/D-DIN-Bold.woff2") format("woff2"),
    url("/partnerships/fonts/D-DIN-Bold.woff") format("woff");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "D-DIN Expanded";
  src: url("/partnerships/fonts/D-DINExp.woff2") format("woff2"),
    url("/partnerships/fonts/D-DINExp.woff") format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "D-DIN Condensed";
  src: url("/partnerships/fonts/D-DINCondensed.woff2") format("woff2"),
    url("/partnerships/fonts/D-DINCondensed.woff") format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root,
:root.dark-mode {
  --font-body: "D-DIN", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-heading: "D-DIN Expanded", "D-DIN", sans-serif;
  --font-code: "D-DIN Condensed", "D-DIN", monospace;
  --oa-bg: #020108;
  --oa-panel: rgba(10, 5, 32, 0.92);
  --oa-panel-strong: rgba(18, 8, 45, 0.96);
  --oa-ink: #ffffff;
  --oa-muted: #c2adff;
  --oa-subtle: #8a7ab0;
  --oa-line: rgba(194, 173, 255, 0.18);
  --oa-primary: #4f14ff;
  --oa-accent: #c414ff;
  --oa-action: #ff4f14;
  --color-primary: #4f14ff;
  --color-primary-light: rgba(196, 20, 255, 0.16);
  --color-link: #ff7a3d;
  --color-bookshelf: #c414ff;
  --color-book: #4f14ff;
  --color-chapter: #ff4f14;
  --color-page: #c2adff;
  --color-page-draft: #f4cf48;
  --color-positive: #3fb950;
  --color-warning: #f4cf48;
  --color-negative: #f85149;
  --color-info: #58a6ff;
}

html,
html.dark-mode,
body {
  background-color: var(--oa-bg);
}

body {
  color: var(--oa-muted);
  background:
    linear-gradient(rgba(124, 58, 255, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 58, 255, 0.09) 1px, transparent 1px),
    linear-gradient(180deg, #0a0520 0%, #020108 100%);
  background-size: 72px 72px, 72px 72px, auto;
}

h1,
h2,
h3,
h4,
h5,
h6,
.list-heading,
.card-title,
.logo-text {
  font-family: var(--font-heading);
  font-weight: 400;
  letter-spacing: 0;
  color: var(--oa-ink);
}

a,
.text-link,
.text-link:hover,
.page-content a {
  color: var(--color-link);
  text-underline-offset: 4px;
}

input,
select,
textarea,
button,
.button {
  border-radius: 6px;
  font-family: var(--font-body);
}

input,
select,
textarea {
  background-color: rgba(2, 1, 8, 0.78);
  border-color: var(--oa-line);
  color: var(--oa-ink);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--oa-accent);
  outline: 1px solid var(--oa-accent);
}

/* Primary buttons use the brand violet→magenta fill (white text ~7.3:1).
   Orange stays an accent (border + glow) instead of a low-contrast fill. */
.button,
button[type="submit"],
input[type="submit"] {
  border-color: rgba(196, 20, 255, 0.55);
  background: linear-gradient(135deg, var(--oa-primary) 0%, var(--oa-accent) 100%);
  color: #fff;
  box-shadow: 0 0 18px rgba(79, 20, 255, 0.28);
}

.button:hover,
button[type="submit"]:hover,
input[type="submit"]:hover {
  border-color: rgba(255, 79, 20, 0.65);
  background: linear-gradient(135deg, #6a32ff 0%, #d23bff 100%);
  box-shadow: 0 0 22px rgba(196, 20, 255, 0.32);
  color: #fff;
}

.button.outline,
.button.muted,
.text-button {
  border-color: var(--oa-line);
  background: rgba(18, 8, 45, 0.84);
  color: var(--oa-muted);
  box-shadow: none;
}

#header.primary-background {
  position: sticky;
  top: 0;
  min-height: 68px;
  border-bottom: 1px solid rgba(194, 173, 255, 0.22);
  background:
    linear-gradient(135deg, rgba(18, 8, 45, 0.98) 0%, rgba(31, 0, 122, 0.94) 100%),
    #12082d;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.32);
}

#header .logo {
  gap: 0.75rem;
  min-height: 44px;
  padding-inline: 0.65rem;
}

#header .logo::before {
  content: "";
  width: 36px;
  height: 36px;
  display: inline-block;
  flex: 0 0 auto;
  border: 1px solid rgba(194, 173, 255, 0.35);
  border-radius: 6px;
  background: url("/partnerships/logos/logo-emblem-transparent.webp") center / contain no-repeat;
  box-shadow: 0 0 18px rgba(196, 20, 255, 0.28);
}

#header .logo-image {
  display: none;
}

#header .logo-text {
  font-size: 0.95rem;
  text-transform: uppercase;
  color: #fff;
}

#header .links a,
#header .user-name,
#header .dropdown-container button {
  color: #fff;
}

#header .links a:hover,
#header .user-name:hover,
#header .dropdown-container button:hover {
  background: rgba(196, 20, 255, 0.18);
}

header .search-box input {
  min-height: 38px;
  border-color: rgba(194, 173, 255, 0.24);
  background: rgba(2, 1, 8, 0.38);
  color: #fff;
}

header .search-box input::placeholder {
  color: rgba(194, 173, 255, 0.72);
}

.card,
.content-wrap,
.entity-list-item,
.dropdown-search-dropdown,
.popup-body,
.modal-content {
  border: 1px solid var(--oa-line);
  border-radius: 8px;
  background-color: var(--oa-panel);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

main.content-wrap.card {
  border-color: rgba(194, 173, 255, 0.18);
  background:
    linear-gradient(180deg, rgba(18, 8, 45, 0.97) 0%, rgba(10, 5, 32, 0.97) 100%),
    var(--oa-panel-strong);
}

.card .card-title,
.card-title {
  border-bottom-color: var(--oa-line);
}

.tri-layout-container {
  background: transparent;
}

.tri-layout-left,
.tri-layout-right,
.tri-layout-left-contents,
.tri-layout-right-contents,
.sidebar-page-list,
.book-contents {
  color: var(--oa-muted);
}

.tri-layout-left-contents,
.tri-layout-right-contents {
  scrollbar-color: rgba(194, 173, 255, 0.32) transparent;
}

.tri-layout-mobile-tabs {
  background-color: var(--oa-panel-strong);
  border-bottom-color: var(--oa-line);
}

.tri-layout-mobile-tab {
  background-color: var(--oa-panel-strong);
  color: var(--oa-muted);
}

.oa-public-view .tri-layout-container {
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr) 0 !important;
}

.oa-public-view .tri-layout-right,
.oa-public-view .tri-layout-right-contents,
.oa-public-view .tri-layout-mobile-tab[data-tab="info"],
.oa-public-view .tri-layout-mobile-tab[data-tab="details"] {
  display: none !important;
}

.oa-public-view .tri-layout-middle {
  max-width: 980px;
}

.oa-public-view .page-content {
  padding-right: clamp(1rem, 4vw, 3rem);
}

.entity-list-item,
.entity-list.compact .entity-list-item {
  border-color: rgba(194, 173, 255, 0.12);
  background-color: rgba(10, 5, 32, 0.58);
}

.entity-list-item:hover,
.entity-list-item.selected,
.icon-list-item:hover {
  background-color: rgba(196, 20, 255, 0.13);
}

.entity-list-item-name,
.entity-list-item h4,
.entity-list-item a {
  color: var(--oa-ink);
}

.entity-item-snippet,
.entity-meta,
.text-muted,
.text-small {
  color: var(--oa-subtle) !important;
}

.page-content {
  max-width: 880px;
  color: #e7defe;
  background: transparent;
  box-shadow: none;
}

.page-content h1,
.page-content h2,
.page-content h3 {
  font-family: var(--font-body);
  font-weight: 400;
  color: #fff;
}

.page-content h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.05;
}

.page-content h2 {
  margin-top: 2.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(194, 173, 255, 0.18);
}

.page-content p,
.page-content li {
  font-size: 1rem;
  line-height: 1.75;
}

.page-content blockquote {
  border-color: var(--oa-action);
  background: rgba(255, 79, 20, 0.08);
  color: #fff;
}

.page-content table,
.page-content th,
.page-content td {
  border-color: rgba(194, 173, 255, 0.2);
}

.page-content pre,
.page-content code {
  border-color: rgba(194, 173, 255, 0.18);
  background-color: rgba(2, 1, 8, 0.8);
  color: #fff;
}

.breadcrumbs {
  color: var(--oa-muted);
}

.breadcrumbs a {
  color: var(--oa-muted);
}

.breadcrumbs a:hover {
  color: var(--oa-action);
}

.dropdown-container ul,
.popup,
.global-search-suggestions,
.floating-toolbox,
.pointer,
.content-comment-window {
  border: 1px solid var(--oa-line);
  background-color: var(--oa-panel-strong);
  color: var(--oa-muted);
  box-shadow: 0 20px 54px rgba(0, 0, 0, 0.42);
}

.page-edit-toolbar,
.editor-toolbar,
.editor-sidebar,
.markdown-editor-display,
.mce-container,
.mce-panel {
  background-color: var(--oa-panel-strong) !important;
  border-color: var(--oa-line) !important;
}

.mce-content-body,
.editor-content,
.page-editor-page-area {
  color: #e7defe;
  background-color: #07031a;
}

.tag-item,
.entity-chip {
  border: 1px solid rgba(194, 173, 255, 0.24);
  border-radius: 6px;
  background-color: rgba(196, 20, 255, 0.12);
  color: var(--oa-muted);
}

.activity-list-item,
.comment-branch,
.attachments-list > div,
.setting-list > div {
  border-color: rgba(194, 173, 255, 0.14);
}

.back-to-top .inner {
  border: 1px solid var(--oa-line);
  background-color: var(--oa-panel-strong);
  color: var(--oa-muted);
}

@media screen and (max-width: 1000px) {
  #header.primary-background {
    position: relative;
  }

  #header .header-links.show {
    border: 1px solid var(--oa-line);
    background-color: var(--oa-panel-strong);
  }

  header .links a,
  header .dropdown-container ul li a,
  header .dropdown-container ul li button {
    color: var(--oa-muted);
  }

  body.oa-reader-view {
    overflow-x: hidden;
  }

  body.oa-reader-view .tri-layout-mobile-tabs,
  body.oa-reader-view .tri-layout-sides,
  body.oa-reader-view #sibling-navigation,
  body.oa-reader-view .comments-container {
    display: none !important;
  }

  body.oa-reader-view .tri-layout-container {
    display: block !important;
    width: 100% !important;
    max-width: none !important;
    min-width: 0 !important;
    grid-template-columns: none !important;
  }

  body.oa-reader-view .tri-layout-middle,
  body.oa-reader-view .tri-layout-middle-contents {
    display: block !important;
    width: 100% !important;
    max-width: none !important;
    min-width: 0 !important;
  }

  body.oa-reader-view .tri-layout-middle-contents {
    padding: 0 clamp(0.65rem, 3.2vw, 1rem) 2rem;
  }

  body.oa-reader-view .breadcrumbs {
    margin: 0.7rem 0 0.75rem;
    overflow-x: auto;
    text-align: left;
    white-space: nowrap;
    scrollbar-width: none;
  }

  body.oa-reader-view .breadcrumbs::-webkit-scrollbar {
    display: none;
  }

  body.oa-reader-view main.content-wrap.card {
    box-sizing: border-box;
    width: 100% !important;
    max-width: none !important;
    margin: 0 0 2rem !important;
  }

  body.oa-reader-view .page-content {
    max-width: none;
    padding: clamp(1rem, 4.2vw, 1.4rem) !important;
  }

  body.oa-reader-view .page-content h1 {
    font-size: clamp(2.1rem, 10vw, 3.2rem);
    line-height: 1.1;
  }
}

.oa-mobile-nav {
  display: none;
}

@media screen and (max-width: 1000px) {
  body.oa-reader-view .oa-mobile-nav {
    display: block;
    margin: 0.85rem clamp(0.65rem, 3.2vw, 1rem) 0.7rem;
  }

  body.oa-reader-view .oa-mobile-nav summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 44px;
    padding: 0.7rem 0.9rem;
    border: 1px solid rgba(194, 173, 255, 0.22);
    border-radius: 8px;
    background: rgba(18, 8, 45, 0.94);
    color: var(--oa-ink);
    cursor: pointer;
    font-family: var(--font-body);
    list-style: none;
  }

  body.oa-reader-view .oa-mobile-nav summary::-webkit-details-marker {
    display: none;
  }

  body.oa-reader-view .oa-mobile-nav[open] summary {
    border-color: rgba(255, 122, 61, 0.58);
    color: var(--oa-action);
  }

  body.oa-reader-view .oa-mobile-nav-panel {
    margin-top: 0.55rem;
    padding: 0.85rem;
    border: 1px solid rgba(194, 173, 255, 0.16);
    border-radius: 8px;
    background: rgba(10, 5, 32, 0.97);
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.34);
  }

  body.oa-reader-view .oa-mobile-nav-panel nav + nav {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(194, 173, 255, 0.12);
  }

  body.oa-reader-view .oa-mobile-nav-panel h5 {
    margin-bottom: 0.5rem;
    color: var(--oa-muted);
  }

  body.oa-reader-view .oa-mobile-nav-panel .entity-list-item {
    min-height: 42px;
  }
}

/* ==========================================================================
   Dark-only + public-site link
   Odyssey Research is dark-only to match the main site; there is no light
   theme. The custom-head script removes the toggle and injects the public
   link, but these rules cover any flash before that script runs.
   ========================================================================== */

/* Remove the light/dark mode toggle wherever BookStack renders it. */
form[action*="toggle-dark-mode"],
.dark-mode-toggle,
[data-action="dark-mode-toggle"] {
  display: none !important;
}