/* mobile.css — mobile-first layout. Loaded after Site.css.
   Base rules target phones; min-width media queries scale up. */

/* ---------- Page shell ---------- */
.bu-page {
  width: 100%;
  padding: 0 1rem;
}

@media (min-width: 1024px) {
  .bu-page {
    width: 100%;
    max-width: 96rem;
    padding: 0 2rem;
  }
}

/* ---------- Main two-pane layout ---------- */
.bu-layout {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  width: 100%;
  margin-top: 0.5rem;
}

@media (min-width: 1024px) {
  .bu-layout {
    flex-direction: row;
  }
}

/* ---------- Sidebar: off-canvas drawer on mobile ---------- */
.bu-sidebar {
  position: fixed;
  inset: 0 25% 0 0; /* drawer covers left 75% */
  z-index: 40;
  transform: translateX(-100%);
  transition: transform 0.2s ease-out;
  overflow-y: auto;
  padding: 1rem;
  padding-top: calc(4.5rem + 1em); /* clear the fixed menu button, plus breathing room */
  background-color: #e4e4e7; /* zinc-200 */
}

@media (max-width: 1023.98px) {
  @media (prefers-color-scheme: dark) {
    .bu-sidebar {
      background-color: #1e293b; /* slate-800 */
    }
  }

  html.dark .bu-sidebar {
    background-color: #1e293b;
  }
}

.bu-sidebar.open {
  transform: translateX(0);
  box-shadow: 0 0 30px rgb(0 0 0 / 0.4);
}

@media (min-width: 1024px) {
  .bu-sidebar {
    position: static;
    inset: auto;
    transform: none;
    transition: none;
    overflow-y: visible;
    padding: 0;
    background-color: transparent;
    box-shadow: none;
    width: 18rem;
    flex-shrink: 0;
    margin-top: 1rem;
    margin-right: 2rem;
  }
}

/* Backdrop behind open drawer */
.bu-sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 30;
  background-color: rgb(0 0 0 / 0.5);
}

.bu-sidebar-backdrop.open {
  display: block;
}

@media (min-width: 1024px) {
  .bu-sidebar-backdrop.open {
    display: none;
  }
}

/* ---------- Menu toggle button (hidden on desktop) ---------- */
.bu-menu-button {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 9999px;
  background-color: #7c3aed; /* violet-600 */
  color: #fff;
  box-shadow: 0 4px 12px rgb(0 0 0 / 0.3);
  cursor: pointer;
}

@media (min-width: 1024px) {
  .bu-menu-button {
    display: none;
  }
}

/* ---------- Content pane ---------- */
.bu-content {
  width: 100%;
  min-width: 0; /* allow pre/code to shrink instead of overflowing */
}

@media (min-width: 1024px) {
  .bu-content {
    flex: 1 1 auto;
    width: auto;
  }
}

/* ---------- Header scaling ---------- */
/* Push header below the fixed top-left menu button */
.bu-header {
  padding-top: 4.5rem;
}

@media (min-width: 1024px) {
  .bu-header {
    padding-top: 0;
  }
}


.bu-site-title {
  font-size: 1.5rem;
  line-height: 2rem;
}

.bu-site-tagline {
  font-size: 0.7rem;
}

.bu-logo {
  width: 3.5rem;
  height: auto;
  flex-shrink: 0;
}

@media (min-width: 640px) {
  .bu-site-title {
    font-size: 2.25rem;
    line-height: 2.5rem;
  }

  .bu-site-tagline {
    font-size: 0.875rem;
  }

  .bu-logo {
    width: auto;
  }
}

/* Page title: smaller on phones */
.bu-page-title {
  font-size: 1.5rem;
  line-height: 2rem;
}

@media (min-width: 640px) {
  .bu-page-title {
    font-size: 2.25rem;
    line-height: 2.5rem;
  }
}

@media (min-width: 1024px) {
  .bu-page-title {
    font-size: 3rem;
    line-height: 1;
  }
}

/* Search box: keep it a full-size input on small screens
   (Tailwind classes only style it from md up) */
@media (max-width: 767.98px) {
  .bu-search,
  .bu-search-inner,
  .bu-search-inner > div {
    width: 100%;
  }

  .bu-search-input {
    height: auto;
    width: 100%;
    border-radius: 0.5rem;
    padding: 0.625rem 0.875rem 0.625rem 1rem;
    font-size: 0.875rem;
    box-shadow: inset 0 0 0 1px #cbd5e1; /* ring-slate-300 */
    background-color: #fff;
  }

  @media (prefers-color-scheme: dark) {
    .bu-search-input {
      background-color: rgb(30 41 59 / 0.75); /* slate-800/75 */
      box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.05);
    }
  }

  html.dark .bu-search-input {
    background-color: rgb(30 41 59 / 0.75);
    box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.05);
  }
}

/* Code blocks: never force page-wide horizontal scroll */
.prose pre {
  max-width: 100%;
  overflow-x: auto;
}

/* Tables scroll within themselves on narrow screens */
.prose table {
  display: block;
  overflow-x: auto;
}

@media (min-width: 768px) {
  .prose table {
    display: table;
    overflow-x: visible;
  }
}