/**
 * ConceptRecall — layout: page shell, header, footer, navigation.
 */

/* ---- Page shell ---- */
.cr-page {
  display: flex;
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
  flex-direction: column;
  min-height: 100dvh;
}

.cr-container {
  width: 100%;
  min-width: 0;
  max-width: var(--cr-container);
  margin-inline: auto;
  padding-inline: var(--cr-space-5);
}

.cr-main {
  flex: 1 0 auto;
  width: 100%;
  min-width: 0;
  overflow-x: clip;
  padding-block: clamp(2rem, 4vw, var(--cr-space-7));
}

/* Front page content already has its own hero spacing. Keep the shell tight
   so the homepage starts immediately under the navigation instead of leaving
   a large empty band above the hero. */
.cr-main--front {
  padding-top: 0;
  padding-bottom: clamp(2rem, 4vw, var(--cr-space-7));
}


@supports selector(:has(*)) {
  .cr-main:has(.cr-home) {
    padding-top: 0;
  }
}

/* Flashcard detail pages are their own product surface. Remove the single
   "Home" breadcrumb gap and let the learning card sit close to the header. */
.cr-main--flashcard {
  padding-top: clamp(0.45rem, 1vw, 0.9rem);
  padding-bottom: clamp(2rem, 4vw, var(--cr-space-7));
}

/* Progressive enhancement fallback if a custom page template omits the
   cr-main--flashcard class but the browser supports :has(). */
@supports selector(:has(*)) {
  .cr-main:has(.cr-card--full) {
    padding-top: clamp(0.45rem, 1vw, 0.9rem);
  }

  .cr-main:has(.cr-card--full) .cr-breadcrumb {
    display: none;
  }
}

/* ---- Header ---- */
.cr-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 250, 250, 0.88);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--cr-border);
}

.cr-header__inner {
  display: flex;
  align-items: center;
  gap: var(--cr-space-5);
  height: var(--cr-header-h);
  max-width: var(--cr-container);
  margin-inline: auto;
  padding-inline: var(--cr-space-5);
}

/* Brand mark — a wordmark with a small drawn "card" glyph. */
.cr-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--cr-space-2);
  font-family: var(--cr-font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--cr-text);
  text-decoration: none;
  flex-shrink: 0;
}

.cr-brand:hover {
  color: var(--cr-text);
}

.cr-brand__glyph {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  background: var(--cr-accent);
  color: #fff;
  border-radius: var(--cr-radius-sm);
  font-size: 1rem;
  transform: rotate(-4deg);
  transition: transform var(--cr-base) var(--cr-ease-out);
}

.cr-brand:hover .cr-brand__glyph {
  transform: rotate(4deg) scale(1.05);
}

.cr-brand__name em {
  font-style: normal;
  color: var(--cr-accent);
}

/* Primary navigation */
.cr-nav {
  display: flex;
  align-items: center;
  gap: var(--cr-space-1);
  margin-left: auto;
}

.cr-nav__link {
  padding: var(--cr-space-2) var(--cr-space-3);
  font-size: var(--cr-text-sm);
  font-weight: 500;
  color: var(--cr-text-muted);
  text-decoration: none;
  border-radius: var(--cr-radius-sm);
  transition: color var(--cr-fast) var(--cr-ease),
              background var(--cr-fast) var(--cr-ease);
}

.cr-nav__link:hover {
  color: var(--cr-text);
  background: var(--cr-bg-sunken);
}

.cr-nav__link.is-active {
  color: var(--cr-accent);
}

/* Header call-to-action button */
.cr-nav__cta {
  margin-left: var(--cr-space-2);
  padding: var(--cr-space-2) var(--cr-space-4);
  font-size: var(--cr-text-sm);
  font-weight: 600;
  color: #fff;
  background: var(--cr-accent);
  border-radius: var(--cr-radius-full);
  text-decoration: none;
  transition: background var(--cr-fast) var(--cr-ease),
              transform var(--cr-fast) var(--cr-ease);
}

.cr-nav__cta:hover {
  color: #fff;
  background: var(--cr-accent-hover);
  transform: translateY(-1px);
}

/* Mobile menu toggle — hidden on desktop. */
.cr-nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  margin-left: auto;
  background: var(--cr-bg-card);
  border: 1px solid var(--cr-border);
  border-radius: var(--cr-radius-sm);
  cursor: pointer;
  color: var(--cr-text);
}

/* ---- Footer ---- */
.cr-footer {
  flex-shrink: 0;
  align-self: stretch;
  width: 100%;
  max-width: 100%;
  margin-top: var(--cr-space-9);
  background: var(--cr-bg-ink);
  color: var(--cr-text-invert);
}

.cr-footer__top {
  display: grid;
  width: 100%;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--cr-space-6);
  max-width: var(--cr-container);
  margin-inline: auto;
  padding: var(--cr-space-8) var(--cr-space-5) var(--cr-space-6);
}

.cr-footer__brand {
  font-family: var(--cr-font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: var(--cr-space-3);
}

.cr-footer__tagline {
  color: rgba(238, 241, 242, 0.6);
  font-size: var(--cr-text-sm);
  max-width: 34ch;
}

.cr-footer__col h4 {
  font-family: var(--cr-font-sans);
  font-size: var(--cr-text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(238, 241, 242, 0.45);
  margin-bottom: var(--cr-space-3);
}

.cr-footer__col a {
  display: block;
  padding: var(--cr-space-1) 0;
  color: rgba(238, 241, 242, 0.78);
  font-size: var(--cr-text-sm);
  text-decoration: none;
}

.cr-footer__col a:hover {
  color: #fff;
}

.cr-footer__bottom {
  border-top: 1px solid rgba(238, 241, 242, 0.1);
}

.cr-footer__bottom-inner {
  display: flex;
  width: 100%;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--cr-space-3);
  max-width: var(--cr-container);
  margin-inline: auto;
  padding: var(--cr-space-4) var(--cr-space-5);
  font-size: var(--cr-text-xs);
  color: rgba(238, 241, 242, 0.5);
}

/* Soft attribution to TheAccountant.xyz — present, not loud. */
.cr-footer__attribution a {
  color: rgba(238, 241, 242, 0.7);
}

/* ---- Mobile ---- */
@media (max-width: 860px) {
  .cr-nav-toggle {
    display: grid;
    place-items: center;
  }

  .cr-nav {
    position: fixed;
    inset: var(--cr-header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: var(--cr-space-3);
    background: var(--cr-bg-card);
    border-bottom: 1px solid var(--cr-border);
    box-shadow: var(--cr-shadow-lg);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--cr-base) var(--cr-ease-out),
                opacity var(--cr-base) var(--cr-ease);
  }

  .cr-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .cr-nav__link {
    padding: var(--cr-space-3) var(--cr-space-4);
    font-size: var(--cr-text-base);
  }

  .cr-nav__cta {
    margin: var(--cr-space-2) var(--cr-space-2) 0;
    text-align: center;
  }

  .cr-footer__top {
    grid-template-columns: 1fr;
    gap: var(--cr-space-5);
    padding-top: var(--cr-space-7);
  }

  .cr-main {
    padding-block: var(--cr-space-6);
  }
}

@media (max-width: 540px) {
  .cr-container,
  .cr-header__inner {
    padding-inline: var(--cr-space-4);
  }
}

@media (max-width: 640px) {
  .cr-footer__top {
    grid-template-columns: 1fr;
  }

  .cr-footer__bottom-inner {
    flex-direction: column;
  }
}

/* v2 polish: slightly stronger desktop header without changing layout. */
@media (min-width: 900px) {
  .cr-brand { font-size: 1.36rem; }
  .cr-nav__link,
  .cr-nav__cta { font-size: 0.94rem; }
}

/* =====================================================================
   v24 flashcard detail page footer rhythm
   ---------------------------------------------------------------------
   Flashcard pages already carry their own product-surface spacing. Do not
   add the default large footer top gap after the related concepts carousel.
   ===================================================================== */

.cr-main--flashcard {
  padding-bottom: clamp(0.75rem, 1.6vw, 1.35rem);
}

.cr-main--flashcard + .cr-footer {
  margin-top: clamp(1.25rem, 2.4vw, 2.25rem);
}

@supports selector(:has(*)) {
  .cr-page:has(.cr-card--full) .cr-main {
    padding-bottom: clamp(0.75rem, 1.6vw, 1.35rem);
  }

  .cr-page:has(.cr-card--full) .cr-footer {
    margin-top: clamp(1.25rem, 2.4vw, 2.25rem);
  }
}

/* =====================================================================
   v29 mobile header polish
   ---------------------------------------------------------------------
   Keeps the public header compact on small screens and prevents accidental
   search/form blocks from crowding the brand/menu row.
   ===================================================================== */
@media (max-width: 860px) {
  .cr-header__inner {
    height: 64px;
    gap: 0.75rem;
  }

  .cr-brand {
    min-width: 0;
    font-size: 1.16rem;
  }

  .cr-brand__glyph {
    width: 32px;
    height: 32px;
  }

  .cr-brand__name {
    white-space: nowrap;
  }

  .cr-nav-toggle {
    flex: 0 0 40px;
    width: 40px;
    height: 40px;
    margin-left: auto;
  }

  .cr-header__inner > form,
  .cr-header__inner .search-block-form,
  .cr-header__inner .views-exposed-form,
  .cr-header__inner .form-type-search {
    display: none !important;
  }

  .cr-nav {
    inset: 64px 0 auto 0;
    z-index: 130;
  }
}

@media (max-width: 420px) {
  .cr-container,
  .cr-header__inner {
    padding-inline: 1rem;
  }

  .cr-brand {
    font-size: 1.08rem;
  }
}


/* =====================================================================
   v30 product shell polish
   ---------------------------------------------------------------------
   Header navigation sits on the right, ConceptRecall directory pages avoid
   default breadcrumb gaps, and the footer top region is intentionally removed.
   ===================================================================== */
.cr-header__inner > [data-cr-nav],
.cr-header__inner .cr-nav {
  margin-left: auto;
}

.cr-footer {
  margin-top: clamp(1.5rem, 3vw, 3rem);
}

.cr-footer__bottom {
  border-top: 0;
}

.cr-footer__bottom-inner {
  min-height: 64px;
  align-items: center;
}

.cr-main:has(.cr-catview),
.cr-main:has(.cr-topic) {
  padding-top: clamp(0.8rem, 1.8vw, 1.5rem);
}

@media (max-width: 860px) {
  .cr-footer__bottom-inner {
    min-height: 88px;
  }
}


/* =====================================================================
   v31 directory pages compact shell polish
   ---------------------------------------------------------------------
   Remove default breadcrumb/blank space on ConceptRecall directory pages and
   bring the footer closer when a page has only a short category/topic grid.
   ===================================================================== */
@supports selector(:has(*)) {
  .cr-main:has(.cr-catview),
  .cr-main:has(.cr-topic) {
    padding-top: clamp(0.55rem, 1.2vw, 1rem);
    padding-bottom: clamp(0.35rem, 0.9vw, 0.85rem);
  }

  .cr-main:has(.cr-catview) .cr-breadcrumb,
  .cr-main:has(.cr-topic) .cr-breadcrumb {
    display: none;
  }

  .cr-page:has(.cr-catview) .cr-footer,
  .cr-page:has(.cr-topic) .cr-footer {
    margin-top: clamp(0.75rem, 1.8vw, 1.5rem);
  }
}

/* The old multi-column footer region is intentionally retired. */
.cr-footer__top {
  display: none !important;
}

.cr-footer {
  margin-top: clamp(0.9rem, 2vw, 2rem);
}


/* v53 mobile header fix.
   The theme now owns the navigation directly, so the hamburger has a stable nav target.
   These rules keep it right-aligned and prevent any menu/search content from sitting beside it. */
.cr-header__inner {
  position: relative;
}

.cr-nav-toggle {
  position: relative;
  z-index: 150;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.cr-nav-toggle.is-open {
  color: #fff;
  background: var(--cr-accent);
  border-color: var(--cr-accent);
}

@media (max-width: 860px) {
  .cr-header__inner {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
  }

  .cr-brand {
    flex: 1 1 auto;
  }

  .cr-nav-toggle {
    display: inline-flex !important;
    margin-left: auto !important;
  }

  .cr-nav {
    position: fixed !important;
    top: var(--cr-header-h, 64px);
    left: 1rem;
    right: 1rem;
    bottom: auto;
    display: grid !important;
    grid-template-columns: 1fr;
    gap: 0.25rem;
    width: auto;
    margin: 0 !important;
    padding: 0.85rem;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(0, 63, 52, 0.12);
    border-radius: 18px;
    box-shadow: 0 22px 60px rgba(0, 43, 32, 0.16);
    transform: translateY(-10px) scale(0.985);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    z-index: 140;
    backdrop-filter: blur(14px) saturate(1.25);
    -webkit-backdrop-filter: blur(14px) saturate(1.25);
  }

  .cr-nav.is-open {
    transform: translateY(0) scale(1);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .cr-nav__link,
  .cr-nav__cta {
    display: flex;
    width: 100%;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 0.98rem;
  }

  .cr-nav__cta {
    margin: 0.25rem 0 0 !important;
  }
}

@media (max-width: 430px) {
  .cr-brand__glyph {
    width: 42px;
    height: 42px;
    border-radius: 11px;
  }

  .cr-brand {
    gap: 0.7rem;
    font-size: clamp(1.48rem, 7vw, 1.78rem);
  }

  .cr-nav-toggle {
    width: 44px;
    height: 44px;
    border-radius: 12px;
  }
}


/* v56 final mobile header safety */
@media (max-width: 860px) {
  .cr-nav-toggle {
    cursor: pointer;
    user-select: none;
  }

  .cr-nav:not(.is-open) {
    height: auto !important;
  }

  .cr-nav.is-open {
    transition: opacity 160ms ease, transform 160ms ease, visibility 0ms;
  }
}

@media (max-width: 430px) {
  .cr-header__inner {
    padding-inline: 1rem !important;
  }

  .cr-brand {
    min-width: 0;
  }

  .cr-brand__name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}