/* Shared site chrome.
   Page styles may change their content palette, but the room around the page
   stays recognisably Lucia's: sage canvas, typewriter UI, square paper edges. */

:root {
  --shell-canvas: #dfe6d8;
  --shell-canvas-deep: #d5dfd0;
  --shell-paper: #fbf6df;
  --shell-paper-deep: #f2e8c7;
  --shell-ink: #22140f;
  --shell-muted: #60433a;
  --shell-rule: #4f241f;
  --shell-rule-soft: #9c6246;
  --shell-accent: #1f5b6d;
  --shell-shadow: 6px 6px 0 rgba(79, 36, 31, 0.18);
  --shell-gutter: clamp(16px, 3.5vw, 48px);
  --shell-width: 1184px;
}

html {
  scroll-padding-top: 88px;
}

body > .header {
  backdrop-filter: blur(10px);
  background: rgba(223, 230, 216, 0.96) !important;
  border-bottom: 1px solid rgba(79, 36, 31, 0.28) !important;
  box-shadow: none !important;
  box-sizing: border-box;
  color: var(--shell-ink);
  min-height: 72px;
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 100;
}

body > .header .nav {
  align-items: center;
  box-sizing: border-box;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: clamp(0.8rem, 2.5vw, 2rem);
  margin: 0 auto;
  max-width: var(--shell-width);
  min-height: 72px;
  padding: 0 var(--shell-gutter);
  width: 100%;
}

body > .header .logo {
  align-items: center;
  display: flex;
  flex: none;
}

body > .header .logo-switches,
body > .header .logo img {
  display: none !important;
}

body > .header .logo a {
  background: var(--shell-paper) !important;
  border: 2px solid var(--shell-rule) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  color: var(--shell-ink) !important;
  display: inline-flex;
  font-size: 0.93rem;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1;
  padding: 0.72rem 0.78rem;
  text-decoration: none;
  text-transform: lowercase;
  white-space: nowrap;
}

body > .header .logo a:hover,
body > .header .logo a:focus-visible {
  background: var(--shell-paper-deep) !important;
  color: var(--shell-accent) !important;
}

body > .header .menu,
body > .header #menu {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(0.75rem, 2vw, 1.2rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

body > .header .menu li,
body > .header #menu li {
  margin: 0;
}

body > .header .menu a,
body > .header #menu a {
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
  color: var(--shell-ink) !important;
  display: inline-flex;
  font-size: 0.87rem;
  gap: 0.45rem;
  padding: 0.45rem 0;
  text-decoration: none;
  text-transform: lowercase;
}

body > .header .menu a::before,
body > .header #menu a::before {
  color: var(--shell-accent) !important;
  content: "*";
  display: inline;
}

body > .header .menu a:hover,
body > .header #menu a:hover {
  color: var(--shell-accent) !important;
}

body > .header .menu a[aria-current="page"] span,
body > .header #menu a[aria-current="page"] span,
body > .header .menu .active,
body > .header #menu .active {
  background: transparent !important;
  color: var(--shell-ink) !important;
  text-decoration: underline;
  text-decoration-color: var(--shell-rule);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

body > .header #menu-trigger {
  background: var(--shell-paper) !important;
  border: 1px solid var(--shell-rule) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  color: var(--shell-ink) !important;
  margin-left: auto;
}

body > .header #menu-trigger:hover {
  background: var(--shell-paper-deep) !important;
  color: var(--shell-accent) !important;
}

body > .header #menu-trigger svg {
  display: block;
}

body > .header #menu-trigger::before {
  content: none !important;
}

.breadcrumbs {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  line-height: 1.5;
  text-transform: uppercase;
}

body > .footer {
  align-items: center;
  background: var(--shell-canvas) !important;
  border-top: 2px solid var(--shell-rule-soft) !important;
  box-shadow: none !important;
  box-sizing: border-box;
  color: var(--shell-muted) !important;
  display: flex;
  flex-wrap: wrap;
  font-size: 0.7rem;
  gap: 0.35rem 0.65rem;
  justify-content: center;
  margin: clamp(3rem, 8vw, 6rem) auto 0 !important;
  max-width: 840px;
  min-height: 80px;
  padding: 1.25rem var(--shell-gutter) !important;
  text-align: center;
  width: calc(100% - 2 * var(--shell-gutter));
}

body > .footer .social-icons,
body > .footer span:has(a[href*="gohugo.io"]),
body > .footer span:has(a[href*="PaperMod"]) {
  display: none !important;
}

body > .footer a {
  background: transparent !important;
  color: var(--shell-accent) !important;
  text-decoration: none;
}

body > .footer a:hover {
  color: var(--shell-ink) !important;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.top-link {
  background: var(--shell-paper) !important;
  border: 1px solid var(--shell-rule) !important;
  border-radius: 0 !important;
  color: var(--shell-ink) !important;
}

/* Shared section landing vocabulary. */
body.section-landing > .main,
body.section-landing > .games-landing {
  max-width: calc(920px + var(--gap) * 2);
}

body.section-landing .section-intro {
  background: var(--shell-paper);
  border: 2px solid var(--shell-rule);
  border-radius: 0;
  box-shadow: var(--shell-shadow);
  box-sizing: border-box;
  margin: 0 0 1.35rem;
  padding: clamp(1.15rem, 3vw, 1.8rem);
  width: 100%;
}

body.section-landing .section-intro .section-kicker {
  color: var(--shell-accent);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin: 0 0 0.45rem;
  text-transform: uppercase;
}

body.section-landing .section-intro h1,
body.section-landing .section-intro h2 {
  color: var(--shell-ink);
  font-size: clamp(1.65rem, 4vw, 2.35rem);
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin: 0;
  text-transform: lowercase;
}

body.section-landing .section-intro > p:last-child,
body.section-landing .section-intro blockquote,
body.section-landing .section-intro blockquote p {
  color: var(--shell-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 0;
}

body.section-landing .section-intro blockquote {
  background: transparent;
  border: 0;
  border-left: 1px solid var(--shell-rule-soft);
  border-radius: 0;
  margin-top: 0.7rem;
  padding: 0 0 0 0.8rem;
}

body.section-projects .section-page {
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0;
}

body.section-projects .section-page > .post-content {
  margin: 0;
}

/* Repairs one older page whose dark card inherited the light theme's ink. */
body.chamber-page .post-single {
  background: var(--shell-paper) !important;
  border: 2px solid var(--shell-rule) !important;
  box-shadow: var(--shell-shadow) !important;
}

body.chamber-page .chamber-intro h1 {
  color: var(--shell-ink) !important;
}

body.chamber-page .chamber-room {
  background: #20231f;
  border: 1px solid var(--shell-rule);
  box-sizing: border-box;
  padding: clamp(0.8rem, 2vw, 1.25rem);
}

/* A project can be dark inside without replacing the site's outer room. */
html:has(body.attractor-page) {
  background: var(--shell-canvas);
}

body.attractor-page {
  background:
    radial-gradient(circle at 24% 20%, rgba(138, 38, 56, 0.06) 0 1px, transparent 1px),
    radial-gradient(circle at 74% 42%, rgba(31, 91, 109, 0.07) 0 1px, transparent 1px),
    linear-gradient(180deg, #edf1e8 0%, var(--shell-canvas-deep) 100%) !important;
  background-size: 8px 8px, 12px 12px, auto !important;
}

body.attractor-page::before {
  background: transparent !important;
}

body.attractor-page .attractor-lab {
  background: var(--at-bg);
  border: 2px solid var(--shell-rule);
  box-shadow: var(--shell-shadow);
  padding: clamp(0.8rem, 2.2vw, 1.5rem);
}

/* The mint note keeps its palette, but adopts the same paper geometry. */
body.acl26-page .post-single {
  border: 2px solid var(--shell-rule) !important;
  border-radius: 2px !important;
  box-shadow: var(--shell-shadow) !important;
}

@media screen and (min-width: 900px) {
  body > .header .menu.hidden,
  body > .header #menu.hidden {
    display: flex;
  }

  body > .header #menu-trigger {
    display: none;
  }
}

@media screen and (max-width: 899px) {
  :root {
    --shell-gutter: clamp(14px, 4vw, 24px);
  }

  body > .header .nav {
    min-height: 66px;
  }

  body > .header #menu-trigger {
    display: inline-flex !important;
  }

  body > .header .menu,
  body > .header #menu {
    background: var(--shell-paper);
    border: 1px solid var(--shell-rule);
    box-shadow: var(--shell-shadow);
    box-sizing: border-box;
    flex-basis: 100%;
    gap: 0.25rem 0.9rem;
    margin-bottom: 0.75rem;
    padding: 0.65rem 0.8rem;
  }

  body > .header .menu.hidden,
  body > .header #menu.hidden {
    display: none !important;
  }

  body:has(> .header) > .main,
  body:has(> .header) > .games-landing,
  body:has(> .header) > .game-shell-wrap {
    box-sizing: border-box;
    margin-left: auto !important;
    margin-right: auto !important;
    padding-left: var(--shell-gutter) !important;
    padding-right: var(--shell-gutter) !important;
    width: 100% !important;
  }

  body.attractor-page .attractor-lab {
    padding: 10px;
  }
}

@media screen and (max-width: 520px) {
  body > .header .logo a {
    font-size: 0.82rem;
    padding: 0.64rem 0.68rem;
  }

  body > .footer {
    width: calc(100% - 2 * var(--shell-gutter));
  }
}

@media print {
  body > .header,
  body > .footer {
    display: none !important;
  }
}