/* SideQuest Guild docs theme: "Library of the citadel".
   Brand tokens lifted from website/website/src/styles/{site,citadel}.css and DESIGN.md.
   Dark mode is the guild's night blue + gold + ivory; light mode is a readable
   parchment with navy ink and gold accents. Fonts are self-hosted from the
   website repo. Square corners everywhere, per the site's No-Box-Shadow and
   no-border-radius rules. */

@font-face {
  font-family: "Libertinus Serif Display";
  src: url("fonts/LibertinusSerifDisplay.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "EB Garamond";
  src: url("fonts/EBGaramond.woff2") format("woff2");
  font-weight: 400 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "EB Garamond";
  src: url("fonts/EBGaramond-italic.woff2") format("woff2");
  font-weight: 400 600;
  font-style: italic;
  font-display: swap;
}

:root {
  --sy-f-heading: "Libertinus Serif Display", Georgia, serif;
  --sy-f-text: "EB Garamond", Garamond, Georgia, serif;
  --sy-f-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  --sq-gold: #d8ab5c;
  --sq-gold-deep: #a88449;
  --sq-flavor: #ffd36a;
  --sq-error: #e0a479;
}

html[data-accent-color="gold"] {
  --accent-9: var(--sq-gold);
  --accent-a9: rgba(216, 171, 92, 0.81);
  --accent-a11: rgba(216, 171, 92, 0.92);
  --accent-10: var(--sq-gold-deep);
  --accent-11: var(--sq-gold-deep);
  --accent-12: #3a2c12;
}

/* -- Dark mode: the guild's night ----------------------------------------- */
html.dark {
  --sy-c-background: #0a0f1a;
  --sy-c-background-contrast: rgba(196, 205, 221, 0.08);
  --sy-c-background-dropback: rgba(10, 15, 26, 0.86);
  --sy-c-surface: #101a2c;
  --sy-c-overlay: rgba(255, 255, 255, 0.04);
  --sy-c-foot-background: #101a2c;
  --sy-c-foot-divider: #18253d;
  --sy-c-foot-text: #96a2b8;
  --sy-c-border: #18253d;
  --sy-c-divider: rgba(150, 172, 210, 0.16);
  --sy-c-heading: #f2efe9;
  --sy-c-text: #cfcac1;
  --sy-c-light: #96a2b8;
  --sy-c-bold: #f2efe9;
  --sy-c-link: var(--sq-gold);
  --sy-c-link-hover: #ffd36a;
  --sy-c-banner: #cfcac1;
  --sy-c-banner-bg: #18253d;
  color-scheme: dark;
}

/* -- Light mode: parchment, navy ink, gold accents ------------------------ */
html.light {
  --sy-c-background: #f6f1e6;
  --sy-c-background-contrast: rgba(23, 33, 56, 0.06);
  --sy-c-background-dropback: rgba(246, 241, 230, 0.9);
  --sy-c-surface: #efe7d6;
  --sy-c-overlay: rgba(23, 33, 56, 0.03);
  --sy-c-foot-background: #efe7d6;
  --sy-c-foot-divider: #ddd0b4;
  --sy-c-foot-text: #4a4538;
  --sy-c-border: #ddd0b4;
  --sy-c-divider: rgba(90, 76, 46, 0.18);
  --sy-c-heading: #1a2338;
  --sy-c-text: #2c2a22;
  --sy-c-light: #5a5540;
  --sy-c-bold: #1a2338;
  /* Darker gold than dark mode: --sq-gold-deep on parchment is only 3:1, under AA for text. */
  --sy-c-link: #7a5a1f;
  --sy-c-link-hover: #5c4313;
  --sy-c-banner: #2c2a22;
  --sy-c-banner-bg: #efe7d6;
  color-scheme: light;
}

/* -- Square corners, no shadows, per the site's design system ------------- */
.sy-head,
.sy-foot,
.yue :is(table, pre, .admonition, .table-wrapper, blockquote, img, .sd-card, .sd-dropdown, .sd-tab-set),
button,
input,
select,
.js-menu,
.sy-head-brand img,
.repo-stats,
.edit-this-page a,
code,
.sq-changelog-pill {
  border-radius: 0 !important;
  box-shadow: none !important;
}

/* -- Typography ------------------------------------------------------------ */
.yue h1,
.yue h2,
.yue h3,
.yue h4,
.yue h5,
.yue h6,
.sy-head-brand strong {
  font-family: var(--sy-f-heading);
  font-weight: 400;
  letter-spacing: 0.04em;
}

.yue h1 {
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--sy-c-divider);
  padding-bottom: 0.5em;
}

.sy-head-brand strong {
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.95rem;
}

/* -- Links ------------------------------------------------------------------ */
.yue a {
  text-decoration-color: color-mix(in srgb, var(--sy-c-link) 45%, transparent);
}
.yue a:hover {
  color: var(--sy-c-link-hover);
}

/* -- Code blocks: readable in both modes ------------------------------------ */
.yue pre,
.yue code {
  font-family: var(--sy-f-mono);
}
html.dark .yue :not(pre) > code {
  background: rgba(216, 171, 92, 0.1);
  color: var(--sq-flavor);
  border: 1px solid rgba(216, 171, 92, 0.22);
}
html.light .yue :not(pre) > code {
  background: rgba(168, 132, 73, 0.1);
  color: #5c3f16;
  border: 1px solid rgba(168, 132, 73, 0.25);
}
html.dark .yue pre {
  background: #090d16;
  border: 1px solid var(--sy-c-border);
}
html.light .yue pre {
  background: #fbf7ee;
  border: 1px solid var(--sy-c-border);
}

/* -- Admonitions: note/tip/warning/danger restyled to match the citadel ---- */
.yue .admonition {
  border: 1px solid var(--sy-c-border);
  border-left: 3px solid var(--sq-gold-deep);
  background: var(--sy-c-overlay);
}
.yue .admonition.note,
.yue .admonition.tip {
  border-left-color: var(--sq-gold);
}
.yue .admonition.warning {
  border-left-color: var(--sq-error);
}
.yue .admonition.danger,
.yue .admonition.error {
  border-left-color: #c4432f;
}
.yue .admonition-title {
  font-family: var(--sy-f-heading);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

/* -- sphinx-design dropdowns/cards, same square-corner treatment ----------- */
.sd-dropdown summary.sd-summary-title {
  font-family: var(--sy-f-heading);
  letter-spacing: 0.04em;
}
.sd-card {
  border: 1px solid var(--sy-c-border) !important;
  background: var(--sy-c-overlay) !important;
}

/* -- Left sidebar: Changelog pill next to each app's Develop entry --------- */
.sq-changelog-pill {
  display: inline-block;
  margin-left: 0.5em;
  padding: 0 0.45em;
  font-family: var(--sy-f-text);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.5;
  color: var(--sy-c-light);
  border: 1px solid var(--sy-c-border);
  vertical-align: middle;
  text-decoration: none !important;
}
.sq-changelog-pill:hover {
  color: var(--sq-gold);
  border-color: var(--sq-gold-deep);
}

/* -- Repo card / edit-this-page sidebar ------------------------------------ */
.repo-stats {
  border: 1px solid var(--sy-c-border);
  padding: 0.5rem;
}
.edit-this-page a {
  border: 1px solid var(--sy-c-border);
  display: block;
  padding: 0.5rem 0.75rem;
  text-align: center;
  font-family: var(--sy-f-text);
  letter-spacing: 0.04em;
}
.edit-this-page a:hover {
  border-color: var(--sq-gold-deep);
  color: var(--sq-gold);
}

/* -- Landing: the library of the citadel ---------------------------------- */
/* The page title stays for search engines and screen readers; the painted hero shows it. */
.yue section:first-of-type:has(.sq-hero) > h1:first-child {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  margin: 0;
}
body {
  overflow-x: clip;
}

.sq-hero {
  position: relative;
  width: 100vw;
  margin: var(--sq-hero-pull, -3rem) 0 3rem calc(50% - 50vw);
  min-height: clamp(420px, 62vh, 680px);
  display: grid;
  place-items: end center;
  overflow: hidden;
  background: #060a12;
  isolation: isolate;
}
.sq-hero picture,
.sq-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 40%;
  z-index: -2;
}
.sq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60% 55% at 50% 62%, rgba(6, 10, 18, 0.62), rgba(6, 10, 18, 0) 72%),
    linear-gradient(to bottom, rgba(6, 10, 18, 0.35) 0%, rgba(6, 10, 18, 0) 28%, rgba(6, 10, 18, 0.15) 60%, var(--sy-c-background) 100%);
}
.sq-hero-content {
  width: min(44rem, 100% - 2.5rem);
  padding: 0 0 clamp(2.5rem, 7vh, 4.5rem);
  text-align: center;
}
.sq-hero-eyebrow {
  margin: 0 0 0.9rem;
  font-family: var(--sy-f-text);
  font-style: italic;
  font-size: 1.05rem;
  color: #e7c98a;
  text-shadow: 0 1px 2px rgba(4, 8, 16, 0.9);
}
.sq-hero-title {
  margin: 0 0 1rem;
  font-family: var(--sy-f-heading);
  font-weight: 400;
  font-size: clamp(1.9rem, 5.2vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: 0.32em;
  padding-left: 0.32em;
  text-transform: uppercase;
  color: #f2efe9;
  text-shadow: 0 2px 4px rgba(4, 8, 16, 0.9), 0 0 30px rgba(4, 8, 16, 0.8);
}
/* A thin gold rule under the title, like the site's chamber headings. */
.sq-hero-title::after {
  content: "";
  display: block;
  width: min(14rem, 50%);
  height: 1px;
  margin: 1.1rem auto 0;
  background: linear-gradient(90deg, transparent, var(--sq-gold), transparent);
}
.sq-hero-lede {
  margin: 0 auto 1.6rem;
  max-width: 32em;
  font-family: var(--sy-f-text);
  font-size: 1.2rem;
  line-height: 1.5;
  color: #e4ded3;
  text-shadow: 0 1px 3px rgba(4, 8, 16, 0.95);
}
.sq-hero-search {
  max-width: 30rem;
  margin: 0 auto;
}
.sq-hero-search input {
  width: 100%;
  padding: 0.8rem 1rem;
  font: 1.05rem var(--sy-f-text);
  color: #f2efe9;
  background: rgba(10, 15, 26, 0.78);
  border: 1px solid rgba(216, 171, 92, 0.7);
  backdrop-filter: blur(6px);
}
.sq-hero-search input::placeholder {
  color: #b9b2a5;
}
.sq-hero-search input:focus-visible {
  outline: 2px solid var(--sq-gold);
  outline-offset: 2px;
}
/* Candlelight: a slow, small change in warmth. Off for anyone who asks for less motion. */
@media (prefers-reduced-motion: no-preference) {
  .sq-hero img {
    animation: sq-candle 9s ease-in-out infinite alternate;
  }
}
@keyframes sq-candle {
  from {
    filter: brightness(0.96) saturate(0.97);
  }
  to {
    filter: brightness(1.05) saturate(1.06);
  }
}

/* Doors and app cards: sphinx-design cards in the site's chamber style. */
.yue .sq-doors,
.yue .sq-apps {
  margin: 1.5rem 0 3rem;
}
.yue .sd-card.sq-door,
.yue .sd-card.sq-app {
  height: 100%;
  border: 1px solid var(--sy-c-border);
  background: var(--sy-c-surface);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.yue .sd-card.sq-door:hover {
  border-color: var(--sq-gold-deep);
  transform: translateY(-2px);
}
.yue .sd-card.sq-door .sd-card-body,
.yue .sd-card.sq-app .sd-card-body {
  padding: 1.4rem 1.4rem 1.2rem;
}
.yue .sq-door .sd-card-title,
.yue .sq-app .sd-card-title {
  margin-bottom: 0.55rem;
  font-family: var(--sy-f-heading);
  font-weight: 400;
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sy-c-heading);
}
/* A small gold diamond before each door title, the site's heading ornament. */
.yue .sq-door .sd-card-title::before {
  content: "";
  display: inline-block;
  width: 0.45em;
  height: 0.45em;
  margin: 0 0.6em 0.12em 0;
  border: 1px solid var(--sq-gold);
  transform: rotate(45deg);
}
.yue .sq-door .sd-card-text,
.yue .sq-app .sd-card-text {
  color: var(--sy-c-text);
  font-size: 1.02rem;
  line-height: 1.5;
}
.yue .sq-app .sd-card-text:last-child {
  margin-top: 0.8rem;
  font-size: 0.95rem;
}
@media (prefers-reduced-motion: reduce) {
  .yue .sd-card.sq-door:hover {
    transform: none;
  }
}