/* ==========================================================================
   Seizure-Safe Schools — EDAN custom theme
   Editorial / publication styling layered over MkDocs Material.
   Pairing: Newsreader (serif headings) + Inter (body) + JetBrains Mono (code).
   Brand: medical red (#b3202c) with warm-ink neutrals.
   ========================================================================== */

/* Serif display face for headings (Inter + JetBrains Mono load via mkdocs.yml). */
@import url('https://fonts.googleapis.com/css2?family=Newsreader:opsz,wght@6..72,400;6..72,500;6..72,600;6..72,700&display=swap');

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* Brand */
  --edan-red: #b3202c;
  --edan-red-dark: #8f1922;
  --edan-red-tint: rgba(179, 32, 44, 0.08);
  --edan-ink: #24211e;       /* warm near-black for headings/header */
  --edan-ink-soft: #3a3733;

  /* Editorial serif for headings */
  --edan-serif: "Newsreader", Georgia, "Times New Roman", serif;

  /* Accent (hover/active) — brand red */
  --md-accent-fg-color: var(--edan-red);

  /* Links use brand red */
  --md-typeset-a-color: var(--edan-red);

  /* Slightly warmer, calmer reading surface */
  --md-default-fg-color: #232020;
  --md-default-fg-color--light: #5d5851;
  --md-default-bg-color: #fcfcfb;
}

/* Recolor Material's primary (header, drawer, search) to charcoal ink.
   Must match Material's own [data-md-color-primary] scope to win the cascade. */
[data-md-color-primary="red"] {
  --md-primary-fg-color: var(--edan-ink);
  --md-primary-fg-color--light: #4a463f;
  --md-primary-fg-color--dark: #19170f;
}

/* Dark scheme adjustments — keep brand red legible on dark surfaces */
[data-md-color-scheme="slate"] {
  --edan-red: #ff6b73;
  --edan-red-tint: rgba(255, 107, 115, 0.12);
  --md-primary-fg-color: #1b1916;
  --md-accent-fg-color: #ff8088;
  --md-typeset-a-color: #ff8088;
  --md-default-bg-color: #16140f;
}

/* --------------------------------------------------------------------------
   2. Typography
   -------------------------------------------------------------------------- */
.md-typeset {
  font-size: 0.82rem;          /* ~16.4px base — comfortable long-form reading */
  line-height: 1.72;
  letter-spacing: 0.001em;
}

.md-typeset h1,
.md-typeset h2,
.md-typeset h3,
.md-typeset h4 {
  font-family: var(--edan-serif);
  font-weight: 600;
  letter-spacing: -0.012em;
  color: var(--edan-ink);
}

[data-md-color-scheme="slate"] .md-typeset h1,
[data-md-color-scheme="slate"] .md-typeset h2,
[data-md-color-scheme="slate"] .md-typeset h3,
[data-md-color-scheme="slate"] .md-typeset h4 {
  color: #f3efe9;
}

.md-typeset h1 {
  font-weight: 700;
  font-size: 2.35rem;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 0.5em;
}

.md-typeset h2 {
  font-size: 1.55rem;
  line-height: 1.2;
  margin-top: 2.6em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

[data-md-color-scheme="slate"] .md-typeset h2 {
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.md-typeset h3 {
  font-size: 1.2rem;
  margin-top: 1.9em;
}

/* The italic lede paragraph right under the page title reads as a standfirst */
.md-typeset h1 + p > em:only-child,
.md-typeset h1 + p em {
  font-style: italic;
}
.md-typeset h1 + p {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--md-default-fg-color--light);
}

/* Comfortable measure for prose without starving wide tables/figures */
.md-typeset p,
.md-typeset ul,
.md-typeset ol {
  max-width: 42rem;
}

/* --------------------------------------------------------------------------
   3. Links
   -------------------------------------------------------------------------- */
.md-typeset a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}
.md-typeset a:hover {
  color: var(--edan-red-dark);
  border-bottom-color: currentColor;
}

/* --------------------------------------------------------------------------
   4. Header / navigation — quiet charcoal bar with red accents
   -------------------------------------------------------------------------- */
.md-header {
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.12);
  border-bottom: 3px solid var(--edan-red);
}
.md-header__title {
  font-family: var(--edan-serif);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

/* Tabs: subtle, with a red indicator on the active item */
.md-tabs {
  background-color: var(--edan-ink);
}
.md-tabs__link {
  opacity: 0.78;
  font-size: 0.74rem;
  transition: opacity 160ms ease;
}
.md-tabs__link:hover,
.md-tabs__link--active {
  opacity: 1;
}

/* Active item in the left nav gets the brand red */
.md-nav__link--active,
.md-nav__item .md-nav__link--active {
  color: var(--edan-red);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   5. Focus states & motion (accessibility)
   -------------------------------------------------------------------------- */
.md-typeset a:focus-visible,
.md-nav__link:focus-visible,
.md-tabs__link:focus-visible,
.md-search__input:focus-visible,
button:focus-visible {
  outline: 3px solid var(--edan-red);
  outline-offset: 2px;
  border-radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --------------------------------------------------------------------------
   6. Blockquotes, admonitions, tables, code
   -------------------------------------------------------------------------- */
.md-typeset blockquote {
  border-left: 3px solid var(--edan-red);
  background: var(--edan-red-tint);
  color: var(--md-default-fg-color);
  border-radius: 0 6px 6px 0;
  padding: 0.5rem 1rem;
}

.md-typeset .admonition,
.md-typeset details {
  border-radius: 8px;
  border-width: 1px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  font-size: 0.78rem;
}

.md-typeset table:not([class]) {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  font-size: 0.74rem;
}
.md-typeset table:not([class]) th {
  background: var(--edan-ink);
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.01em;
}
[data-md-color-scheme="slate"] .md-typeset table:not([class]) th {
  background: #2a2620;
}

.md-typeset code {
  border-radius: 4px;
  font-size: 0.85em;
}

/* --------------------------------------------------------------------------
   7. Footer
   -------------------------------------------------------------------------- */
.md-footer-meta {
  background-color: var(--edan-ink);
}

/* --------------------------------------------------------------------------
   8. Existing EDAN components (preserved + refined)
   -------------------------------------------------------------------------- */

/* Minnesota-law callout */
.md-typeset .admonition.law,
.md-typeset details.law {
  border-color: var(--edan-red);
}
.md-typeset .law > .admonition-title,
.md-typeset .law > summary {
  background-color: var(--edan-red-tint);
}

/* MicroSim iframe sizing */
.microsim {
  width: 100%;
  max-width: 820px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

/* Quiz answer reveal */
.md-typeset details.quiz {
  border-left: 3px solid #1a9850;
}

/* Headline statistic */
.edan-stat {
  font-family: var(--edan-serif);
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--edan-red);
}

/* ==========================================================================
   9. Modern / interactive layer — effects modelled on reactbits.dev,
   rebuilt in vanilla CSS/JS so they work in a static MkDocs build.
   Content is fully visible without JS; the .rb-ready flag (set by JS on
   <html>) is what arms the entrance animations. All motion is disabled
   under prefers-reduced-motion.
   ========================================================================== */

/* ---- Scroll Reveal / Animated Content -----------------------------------
   reactbits: "Scroll Reveal" + "Animated Content". Top-level content blocks
   fade and rise into view. Only armed once JS adds .rb-ready. */
@media (prefers-reduced-motion: no-preference) {
  .rb-ready .rb-reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 620ms cubic-bezier(0.16, 1, 0.3, 1),
                transform 620ms cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
  }
  .rb-ready .rb-reveal.rb-in {
    opacity: 1;
    transform: none;
  }
}

/* ---- Aurora background (home hero only) ----------------------------------
   reactbits: "Aurora". A slow, soft brand-tinted gradient wash behind the
   first screen of the home page. Sits behind content, never over text. */
.rb-aurora {
  position: fixed;
  inset: -20vh 0 auto 0;
  height: 75vh;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(40% 55% at 18% 12%, rgba(179, 32, 44, 0.16), transparent 70%),
    radial-gradient(38% 50% at 82% 8%, rgba(214, 122, 60, 0.14), transparent 72%),
    radial-gradient(45% 60% at 55% 0%, rgba(120, 36, 48, 0.12), transparent 75%);
  filter: blur(8px);
  opacity: 0;
  transition: opacity 900ms ease;
}
.rb-aurora.rb-in { opacity: 1; }
[data-md-color-scheme="slate"] .rb-aurora {
  background:
    radial-gradient(40% 55% at 18% 12%, rgba(255, 107, 115, 0.18), transparent 70%),
    radial-gradient(38% 50% at 82% 8%, rgba(214, 122, 60, 0.16), transparent 72%),
    radial-gradient(45% 60% at 55% 0%, rgba(255, 107, 115, 0.12), transparent 75%);
}
@media (prefers-reduced-motion: no-preference) {
  .rb-aurora {
    animation: rb-aurora-drift 22s ease-in-out infinite alternate;
  }
}
@keyframes rb-aurora-drift {
  0%   { transform: translate3d(-2%, 0, 0) scale(1); }
  100% { transform: translate3d(3%, 2%, 0) scale(1.08); }
}

/* ---- Gradient / Shiny Text (home title) ----------------------------------
   reactbits: "Gradient Text" + "Shiny Text". A slow sheen sweeps across the
   home page H1. Falls back to solid ink when motion is reduced. */
@media (prefers-reduced-motion: no-preference) {
  .rb-gradient-text {
    background: linear-gradient(
      100deg,
      var(--edan-ink) 0%, var(--edan-ink) 38%,
      var(--edan-red) 50%,
      var(--edan-ink) 62%, var(--edan-ink) 100%);
    background-size: 220% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: rb-sheen 7s linear infinite;
  }
  [data-md-color-scheme="slate"] .rb-gradient-text {
    background: linear-gradient(
      100deg, #f3efe9 0%, #f3efe9 38%, var(--edan-red) 50%, #f3efe9 62%, #f3efe9 100%);
    background-size: 220% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}
@keyframes rb-sheen {
  0%   { background-position: 180% center; }
  100% { background-position: -80% center; }
}

/* ---- Count Up ------------------------------------------------------------
   reactbits: "Count Up". JS animates the number; this just steadies width. */
.edan-stat { font-variant-numeric: tabular-nums; }

/* ---- Spotlight Card + hover lift -----------------------------------------
   reactbits: "Spotlight Card" / "Magic Bento". Callouts, details and tables
   lift on hover and reveal a soft cursor-following glow. */
.md-typeset .admonition,
.md-typeset details,
.md-typeset table:not([class]) {
  position: relative;
  transition: transform 220ms ease, box-shadow 220ms ease;
}
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .md-typeset .admonition:hover,
  .md-typeset details:hover,
  .md-typeset table:not([class]):hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
  }
}
/* The glow layer is driven by --rb-x / --rb-y set from JS pointer tracking. */
.rb-spot::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity 240ms ease;
  background: radial-gradient(
    180px circle at var(--rb-x, 50%) var(--rb-y, 0%),
    rgba(179, 32, 44, 0.10), transparent 60%);
}
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .rb-spot:hover::before { opacity: 1; }
}

/* ---- Star Border (edit action button) ------------------------------------
   reactbits: "Star Border". A subtle animated sheen on the page edit button. */
@media (prefers-reduced-motion: no-preference) {
  .md-content__button.md-icon {
    transition: color 200ms ease, transform 200ms ease;
  }
  .md-content__button.md-icon:hover {
    color: var(--edan-red);
    transform: rotate(-6deg) scale(1.08);
  }
}