/*
 * juicerstudy — hand-rolled stylesheet for the juicer documentation theme.
 *
 *   1.  Reset + base
 *   2.  Tokens (light + dark palette, sizing)
 *   3.  Generic helpers
 *   4.  Layout (topbar + 3-col grid)
 *   5.  Topbar
 *   6.  Sidebar
 *   7.  Right-rail TOC
 *   8.  Breadcrumbs + prev/next
 *   9.  Hero / cards / buttons
 *  10.  Markdown content typography
 *  11.  Shortcodes (callouts, steps, tabs, kbd, badge, collapse, filetree, …)
 *  12.  JS-driven state (copy buttons, search popup, mobile sidebar)
 *  13.  404 page
 *  14.  Footer
 *  15.  Misc text utilities
 */


/* ============================================================
 * 1. Reset + base
 * ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--fg);
  background: var(--bg);
  text-rendering: optimizeLegibility;
}

img, svg, video { display: block; max-width: 100%; }

button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

::selection { background: var(--brand-soft); color: var(--brand-strong); }


/* ============================================================
 * 2. Tokens
 * ============================================================ */

:root {
  /* Palette — light theme (default).
     Tuned to the logo: magenta-pink primary + purple accent + leaf-green
     supporting note. Surfaces stay neutral so the brand colors carry the
     personality without the page reading "purple". */
  --bg:           #fdfcfa;
  --bg-soft:      #f7f5f0;
  --surface:      #f3f0ea;
  --surface-2:    #faf8f3;
  --border:       #e6e1d6;
  --border-soft:  #efeae0;
  --fg:           #1c1a17;
  --fg-soft:      #2e2c28;
  --muted:        #6f6a60;

  /* Default accent is fountain-pen ink. Consumers should override
     [juicerstudy].brand in site.toml to suit their site identity. */
  --brand:        #1e3a8a;
  --brand-strong: #1e40af;
  --brand-soft:   rgba(30, 58, 138, 0.10);
  --accent:       #92400e;
  --leaf:         #166534;

  --code-bg:      #f5f1e8;
  --code-fg:      #1f1b15;
  --code-border:  #e0d8c5;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.04), 0 1px 1px rgba(0,0,0,.03);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.05);

  /* Typography */
  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-serif: 'Source Serif Pro', 'Iowan Old Style', 'Charter', 'Georgia', 'Cambria', serif;
  --font-mono:  'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Sizing */
  --topbar-h:     3.5rem;
  --sidebar-w:    16rem;
  --rail-w:       18rem;
  --content-max:  38rem;
  --site-max:     90rem;
  --radius-sm:    0.25rem;
  --radius-md:    0.375rem;
  --radius-lg:    0.5rem;
}

[data-theme="dark"] {
  --bg:           #15140f;
  --bg-soft:      #1b1a14;
  --surface:      #221f17;
  --surface-2:    #2a261c;
  --border:       #3a3527;
  --border-soft:  #25221a;
  --fg:           #ede7d5;
  --fg-soft:      #d1cab5;
  --muted:        #9a9275;

  --brand:        #93c5fd;
  --brand-strong: #bfdbfe;
  --brand-soft:   rgba(147, 197, 253, 0.14);
  --accent:       #fdba74;
  --leaf:         #86efac;

  --code-bg:      #1d1b15;
  --code-fg:      #ede7d5;
  --code-border:  #3a3527;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.5), 0 2px 4px -2px rgba(0,0,0,.4);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.6), 0 4px 6px -4px rgba(0,0,0,.5);
}


/* ============================================================
 * 3. Generic helpers
 * ============================================================ */

.juicerstudy-sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

[hidden] { display: none !important; }


/* ============================================================
 * 4. Layout
 * ============================================================ */

.juicerstudy-page {
  display: flex;
  max-width: var(--site-max);
  margin: 0 auto;
}

.juicerstudy-main {
  flex: 1;
  min-width: 0;
  padding: 2rem 1rem;
}

.juicerstudy-content {
  max-width: var(--content-max);
  margin: 0 auto;
  /* The reading column is set in the serif body face. Interface chrome
     (topbar, sidebar, footer) stays sans by virtue of being outside
     .juicerstudy-content. Slightly bumped font-size + open line-height
     are tuned for ~65ch of comfortable measure. */
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  line-height: 1.7;
}

.juicerstudy-sidebar-aside,
.juicerstudy-rail-aside {
  flex-shrink: 0;
  position: sticky;
  top: var(--topbar-h);
  align-self: flex-start;
  max-height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  padding: 2rem 1rem;
}

.juicerstudy-sidebar-aside {
  width: var(--sidebar-w);
  border-right: 1px solid var(--border);
}

.juicerstudy-rail-aside {
  width: var(--rail-w);
}

/* Sidebar / rail / content scrollbars — keep them visually quiet so the
   side columns feel like ambient navigation and so a long horizontal code
   block doesn't grow a chunky OS-default scrollbar across the bottom.
   Firefox uses the standard `scrollbar-*` properties; Chromium/Safari use
   the ::-webkit-scrollbar pseudo-element. Both target `--border` for the
   thumb, which is already token-aware so dark mode auto-dims.

   Vertical: sidebar + rail (8px wide). Horizontal: every overflowing
   content scroller — code blocks (<pre>), tables, the filetree shortcode,
   anything else inside the prose column with `overflow-x: auto`. */
.juicerstudy-sidebar-aside,
.juicerstudy-rail-aside,
.juicerstudy-content pre,
.juicerstudy-content table,
.juicerstudy-content .juicerstudy-filetree {
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.juicerstudy-sidebar-aside::-webkit-scrollbar,
.juicerstudy-rail-aside::-webkit-scrollbar,
.juicerstudy-content pre::-webkit-scrollbar,
.juicerstudy-content table::-webkit-scrollbar,
.juicerstudy-content .juicerstudy-filetree::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
.juicerstudy-sidebar-aside::-webkit-scrollbar-track,
.juicerstudy-rail-aside::-webkit-scrollbar-track,
.juicerstudy-content pre::-webkit-scrollbar-track,
.juicerstudy-content table::-webkit-scrollbar-track,
.juicerstudy-content .juicerstudy-filetree::-webkit-scrollbar-track {
  background: transparent;
}
.juicerstudy-sidebar-aside::-webkit-scrollbar-thumb,
.juicerstudy-rail-aside::-webkit-scrollbar-thumb,
.juicerstudy-content pre::-webkit-scrollbar-thumb,
.juicerstudy-content table::-webkit-scrollbar-thumb,
.juicerstudy-content .juicerstudy-filetree::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}
.juicerstudy-sidebar-aside::-webkit-scrollbar-thumb:hover,
.juicerstudy-rail-aside::-webkit-scrollbar-thumb:hover,
.juicerstudy-content pre::-webkit-scrollbar-thumb:hover,
.juicerstudy-content table::-webkit-scrollbar-thumb:hover,
.juicerstudy-content .juicerstudy-filetree::-webkit-scrollbar-thumb:hover {
  background: var(--fg-soft);
}

@media (max-width: 1023px) {
  .juicerstudy-sidebar-aside { display: none; }
}
@media (max-width: 1279px) {
  .juicerstudy-rail-aside { display: none; }
}


/* ============================================================
 * 5. Topbar
 * ============================================================ */

.juicerstudy-topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  height: var(--topbar-h);
  border-bottom: 1px solid var(--border);
  background: rgb(from var(--bg) r g b / 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.juicerstudy-topbar-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  height: 100%;
  max-width: var(--site-max);
  margin: 0 auto;
  padding: 0 1rem;
}

.juicerstudy-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  color: var(--fg);
}
.juicerstudy-brand:hover { text-decoration: none; }

.juicerstudy-brand-logo {
  width: 2rem;
  height: 2rem;
}

.juicerstudy-brand-name {
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.025em;
  line-height: 1;
}
@media (max-width: 639px) {
  .juicerstudy-brand-name { display: none; }
}

/* Search trigger — a compact button in the topbar that opens the
   Cmd-K modal. Looks like a search field but doesn't accept input
   directly; the real input lives in the dialog. The right-aligned
   kbd hints at the shortcut. */
.juicerstudy-search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  /* Centering pattern mirrors juicerdocs's search field: grow to fill
     the slot between brand and right-side icon buttons, cap at a
     readable width, then let auto-margins absorb the leftover space
     symmetrically so the trigger sits centered in the topbar. */
  flex: 1;
  max-width: 18rem;
  margin: 0 auto;
  height: 2rem;
  padding: 0 0.5rem 0 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--muted);
  font-family: inherit;
  font-size: 0.875rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.juicerstudy-search-trigger:hover {
  border-color: var(--brand);
  color: var(--fg);
}

.juicerstudy-search-trigger-icon {
  width: 1rem;
  height: 1rem;
  flex: 0 0 auto;
}

.juicerstudy-search-trigger-label {
  flex: 1 1 auto;
  text-align: left;
}

.juicerstudy-search-trigger-key {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 0.0625rem 0.375rem;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  line-height: 1;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

@media (max-width: 639px) {
  .juicerstudy-search-trigger-label,
  .juicerstudy-search-trigger-key {
    display: none;
  }
  .juicerstudy-search-trigger {
    flex: 0 0 auto;
    margin: 0;
    padding: 0 0.5rem;
  }
}

/* Search modal — native <dialog>. The ::backdrop is styled directly
   so it gets a soft scrim. Body content is centered top with a small
   gutter from the topbar so it doesn't feel pinned to the viewport. */
.juicerstudy-search-modal {
  width: min(40rem, calc(100vw - 2rem));
  max-height: 70vh;
  margin-top: 6rem;
  margin-inline: auto;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.juicerstudy-search-modal::backdrop {
  background: rgba(15, 15, 20, 0.55);
  backdrop-filter: blur(2px);
}
.juicerstudy-search-modal[open] {
  display: flex;
  flex-direction: column;
}

.juicerstudy-search-modal-inner {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.juicerstudy-search-modal-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
}

.juicerstudy-search-modal-icon {
  width: 1.125rem;
  height: 1.125rem;
  color: var(--muted);
  flex: 0 0 auto;
}

.juicerstudy-search-modal-input {
  flex: 1 1 auto;
  min-width: 0;
  border: none;
  background: transparent;
  color: var(--fg);
  font-size: 1rem;
  font-family: inherit;
  outline: none;
}
.juicerstudy-search-modal-input::placeholder {
  color: var(--muted);
}

.juicerstudy-search-modal-key {
  flex: 0 0 auto;
  padding: 0.125rem 0.375rem;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.juicerstudy-search-modal-results {
  flex: 1 1 auto;
  overflow-y: auto;
  max-height: 24rem;
}
/* The results pane has no padding when empty so we don't show a
   pointless gap of nothing before the user has typed. */
.juicerstudy-search-modal-results:not(.is-populated) {
  display: none;
}

.juicerstudy-search-modal-result {
  display: block;
  padding: 0.625rem 1rem;
  border-bottom: 1px solid var(--border-soft);
  color: var(--fg);
  text-decoration: none;
  transition: background 0.1s, color 0.1s;
}
.juicerstudy-search-modal-result:last-child { border-bottom: none; }
.juicerstudy-search-modal-result:hover,
.juicerstudy-search-modal-result.is-active {
  background: var(--brand-soft);
  color: var(--fg);
  text-decoration: none;
}
.juicerstudy-search-modal-result.is-active {
  outline: 2px solid var(--brand);
  outline-offset: -2px;
}

.juicerstudy-search-modal-result-title {
  display: block;
  font-family: var(--font-serif);
  font-size: 1rem;
}
.juicerstudy-search-modal-result-snippet {
  display: block;
  margin-top: 0.125rem;
  font-size: 0.8125rem;
  color: var(--muted);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.juicerstudy-search-modal-empty {
  padding: 1.25rem 1rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--muted);
}

/* Footer hint strip with kbd guides — only relevant when there are
   results, so it lives below the results scroll and gets a faint
   divider above it. */
.juicerstudy-search-modal-hint {
  flex: 0 0 auto;
  display: flex;
  gap: 1rem;
  padding: 0.5rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  font-size: 0.75rem;
  color: var(--muted);
}
.juicerstudy-search-modal-hint kbd {
  display: inline-flex;
  align-items: center;
  padding: 0.0625rem 0.3125rem;
  margin-right: 0.25rem;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  color: var(--fg-soft);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

/* Visually-hidden helper — kept off-screen for screen readers only. */
.juicerstudy-vh {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.juicerstudy-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-md);
  color: var(--fg-soft);
  border: 1px solid transparent;
  background: transparent;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}
.juicerstudy-icon-btn:hover {
  color: var(--brand);
  background: var(--brand-soft);
  text-decoration: none;
}
.juicerstudy-icon-btn svg {
  width: 1.25rem;
  height: 1.25rem;
}

.juicerstudy-icon-light { display: none; }
.juicerstudy-icon-dark  { display: block; }
[data-theme="dark"] .juicerstudy-icon-light { display: block; }
[data-theme="dark"] .juicerstudy-icon-dark  { display: none; }

.juicerstudy-sidebar-toggle { display: none; }
@media (max-width: 1023px) {
  .juicerstudy-sidebar-toggle { display: inline-flex; }
}


/* ============================================================
 * 6. Sidebar — library index (not a docs tree)
 *
 * Visual intent: a reader's catalogue, not a developer's file
 * explorer. Three tiers of typography do the hierarchy work:
 *
 *   section heading      — small-caps tracked sans, top-level area
 *   subsection heading   — italic serif, intermediate grouping
 *   leaf                 — reading serif, the actual piece
 *
 * Each header carries an optional piece-count chip. The current
 * piece is marked by italic + a thin marginal rule on the left,
 * NOT by a filled box. Nesting is unlimited, but two real tiers
 * is the visual comfort zone.
 * ============================================================ */

.juicerstudy-nav {
  font-size: 0.9375rem;
  line-height: 1.5;
}

.juicerstudy-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.juicerstudy-nav-section {
  margin-bottom: 1.75rem;
}

/* Section heading — true small-caps (font-variant, NOT
   text-transform: uppercase). Small-caps sit at lowercase
   x-height, so they read as a quiet editorial label rather
   than as a loud all-caps shout — the right register for a
   library catalogue. Tracked slightly because all-cap glyphs,
   even small ones, want letter-air. The label and count are
   siblings so the count can carry its own muted colour without
   dragging the title down with it. */
.juicerstudy-nav-heading {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.125rem 0 0.5rem 0;
  font-family: var(--font-serif);
  font-variant-caps: all-small-caps;
  font-weight: 500;
  font-size: 0.9375rem;
  letter-spacing: 0.08em;
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 0.375rem;
  transition: color 0.1s;
}
.juicerstudy-nav-heading:hover {
  color: var(--brand);
  text-decoration: none;
}
.juicerstudy-nav-heading.is-active {
  color: var(--brand);
}
.juicerstudy-nav-heading-label {
  flex: 1 1 auto;
}
.juicerstudy-nav-heading-count {
  flex: 0 0 auto;
  font-weight: 400;
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.juicerstudy-nav-heading-count::before {
  content: "· ";
  margin-right: 0.0625rem;
}

/* Children — the actual pieces. Reading serif, more vertical
   breathing room. No bounding rule on the list; each leaf carries
   its own left-edge in the active state only. */
.juicerstudy-nav-children {
  list-style: none;
  margin: 0;
  padding: 0;
}
.juicerstudy-nav-children li + li {
  margin-top: 0.0625rem;
}

.juicerstudy-nav-link {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.25rem 0 0.25rem 0.625rem;
  margin-left: -0.625rem;
  border-left: 2px solid transparent;
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--fg-soft);
  text-decoration: none;
  transition: color 0.1s, border-color 0.1s;
}
.juicerstudy-nav-link:hover {
  color: var(--brand);
  text-decoration: none;
}
/* Active piece — italic for emphasis, a thin marginal rule on the
   left to mark "you are reading this." No fill background; the
   tradition for marking a current entry in a printed index is
   typographic, not chromatic. */
.juicerstudy-nav-link.is-active {
  color: var(--fg);
  border-left-color: var(--brand);
  font-style: italic;
}
.juicerstudy-nav-link-label {
  flex: 1 1 auto;
}
.juicerstudy-nav-link-meta {
  flex: 0 0 auto;
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* Subsection — an intermediate grouping (apologetic area → topic).
   Italic serif so it reads as a *named cluster* rather than as a
   small section heading. Slightly indented from the section margin
   so the hierarchy is visible at a glance without a heavy left rule. */
.juicerstudy-nav-subsections {
  list-style: none;
  margin: 0.5rem 0 0 0;
  padding: 0;
}
.juicerstudy-nav-subsection {
  margin-top: 0.75rem;
}
.juicerstudy-nav-subsection:first-child {
  margin-top: 0.25rem;
}

.juicerstudy-nav-subheading {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.125rem 0 0.25rem 0.625rem;
  margin-left: -0.625rem;
  border-left: 2px solid transparent;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.9375rem;
  color: var(--fg);
  text-decoration: none;
  transition: color 0.1s, border-color 0.1s;
}
.juicerstudy-nav-subheading:hover {
  color: var(--brand);
  text-decoration: none;
}
.juicerstudy-nav-subheading.is-active {
  color: var(--fg);
  border-left-color: var(--brand);
}
.juicerstudy-nav-subheading-label {
  flex: 1 1 auto;
}
.juicerstudy-nav-subheading-count {
  flex: 0 0 auto;
  font-family: var(--font-sans);
  font-style: normal;
  font-weight: 400;
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.juicerstudy-nav-subheading-count::before {
  content: "· ";
  margin-right: 0.0625rem;
}

/* Pieces nested under a subsection indent slightly so the
   "this belongs to that cluster" relationship is visible. */
.juicerstudy-nav-subsection .juicerstudy-nav-children {
  margin-left: 0.625rem;
}


/* ============================================================
 * 7. Right-rail TOC
 * ============================================================ */

.juicerstudy-toc-wrap {
  font-size: 0.875rem;
}

.juicerstudy-toc-title {
  margin: 0 0 0.75rem 0;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--fg);
}

.juicerstudy-toc {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--border);
}
.juicerstudy-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.juicerstudy-toc-link {
  display: block;
  padding: 0.25rem 0;
  margin-left: -1px;
  border-left: 2px solid transparent;
  color: var(--muted);
  text-decoration: none;
  line-height: 1.4;
  word-break: break-word;
  overflow-wrap: anywhere;
  transition: color 0.1s, border-color 0.1s;
}
.juicerstudy-toc-link:hover {
  color: var(--fg);
  text-decoration: none;
}
.juicerstudy-toc-link.is-active {
  color: var(--brand);
  border-left-color: var(--brand);
  font-weight: 500;
}
.juicerstudy-toc-link[data-toc-level="2"] { padding-left: 0.75rem; }
.juicerstudy-toc-link[data-toc-level="3"] { padding-left: 1.5rem; }
.juicerstudy-toc-link[data-toc-level="4"] { padding-left: 2.25rem; font-size: 0.8125rem; }
.juicerstudy-toc-link[data-toc-level="5"] { padding-left: 3rem;    font-size: 0.8125rem; }


/* ============================================================
 * 8. Breadcrumbs + prev/next
 * ============================================================ */

.juicerstudy-breadcrumbs {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.juicerstudy-breadcrumbs ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
}
.juicerstudy-breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}
.juicerstudy-breadcrumbs-link { color: inherit; }
.juicerstudy-breadcrumbs-link:hover {
  color: var(--brand);
  text-decoration: none;
}
.juicerstudy-breadcrumbs-current {
  color: var(--fg-soft);
  font-weight: 500;
}
.juicerstudy-breadcrumbs-sep {
  width: 0.75rem;
  height: 0.75rem;
  color: var(--muted);
  opacity: 0.6;
}

.juicerstudy-prevnext {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.juicerstudy-prevnext-card {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
  color: var(--fg);
  text-decoration: none;
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.juicerstudy-prevnext-card:hover {
  border-color: var(--brand);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}
.juicerstudy-prevnext-card-next { text-align: right; }

.juicerstudy-prevnext-label {
  font-size: 0.75rem;
  color: var(--muted);
}
.juicerstudy-prevnext-title {
  font-weight: 600;
  color: var(--fg);
  margin-top: 0.25rem;
}


/* ============================================================
 * 9. Hero / cards / buttons
 * ============================================================ */

.juicerstudy-hero {
  position: relative;
  padding: 3.5rem 1rem 2rem;
  margin: 0 -1rem;
  overflow: hidden;
}
.juicerstudy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(800px 400px at 20% 0%,  var(--brand-soft), transparent 60%),
    radial-gradient(600px 300px at 90% 30%, rgb(from var(--accent) r g b / 0.10), transparent 60%);
  z-index: -1;
}

.juicerstudy-hero-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}
.juicerstudy-hero-logo {
  width: 3.5rem;
  height: 3.5rem;
}
.juicerstudy-hero-version {
  font-size: 0.875rem;
  font-family: var(--font-mono);
  color: var(--muted);
}

.juicerstudy-hero-title {
  margin: 0;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-size: clamp(2.25rem, 5.5vw, 3.5rem);
  color: var(--fg);
}

.juicerstudy-grad {
  background: linear-gradient(135deg, var(--brand), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.juicerstudy-hero-summary {
  max-width: 42rem;
  margin: 1rem 0 0 0;
  font-size: 1.125rem;
  color: var(--fg-soft);
  line-height: 1.6;
}

.juicerstudy-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

/* Optional hero image — frontmatter `heroImage:` on the root _index.md.
   Rendered with imageVariants for responsive delivery. */
.juicerstudy-hero-figure {
  margin: 3rem 0 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface-2);
}
.juicerstudy-hero-figure img,
.juicerstudy-hero-figure picture {
  width: 100%;
  display: block;
}
.juicerstudy-hero-figure figcaption {
  padding: 0.6rem 1rem 0.8rem;
  font-size: 0.875rem;
  color: var(--fg-muted);
  font-style: italic;
  background: var(--surface);
}

.juicerstudy-cards {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin-top: 3rem;
}
@media (min-width: 768px) {
  .juicerstudy-cards { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .juicerstudy-cards { grid-template-columns: 1fr 1fr 1fr; }
}

.juicerstudy-card {
  display: block;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-2);
  color: var(--fg);
  text-decoration: none;
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.juicerstudy-card:hover {
  border-color: var(--brand);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}
.juicerstudy-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-md);
  background: var(--brand-soft);
  color: var(--brand);
  margin-bottom: 0.75rem;
}
.juicerstudy-card-icon svg { width: 1.25rem; height: 1.25rem; }
.juicerstudy-card-title {
  font-weight: 600;
  font-size: 1rem;
  color: var(--fg);
}
.juicerstudy-card-summary {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.5;
}

.juicerstudy-section-heading {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 3rem 0 1rem;
  color: var(--fg);
}

.juicerstudy-page-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.juicerstudy-page-list li {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.375rem 0;
}
.juicerstudy-page-list a {
  color: var(--brand);
  font-weight: 500;
}
.juicerstudy-page-list-summary {
  font-size: 0.875rem;
  color: var(--muted);
}

.juicerstudy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.05s;
  cursor: pointer;
}
.juicerstudy-btn:hover { text-decoration: none; }
.juicerstudy-btn:active { transform: translateY(1px); }
.juicerstudy-btn svg { width: 1rem; height: 1rem; }

.juicerstudy-btn-primary {
  background: var(--brand);
  color: #ffffff;
}
.juicerstudy-btn-primary:hover {
  background: var(--brand-strong);
  color: #ffffff;
}
[data-theme="dark"] .juicerstudy-btn-primary { color: #0a0a0a; }
[data-theme="dark"] .juicerstudy-btn-primary:hover { color: #0a0a0a; }

.juicerstudy-btn-secondary {
  background: var(--surface);
  color: var(--fg);
  border-color: var(--border);
}
.juicerstudy-btn-secondary:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.juicerstudy-lead {
  font-size: 1.125rem;
  color: var(--fg-soft);
  margin: 0 0 2rem 0;
  line-height: 1.6;
}

/* Splash layout — frontmatter `splash: true` (set on `_index.md` for
   an editorial landing) tells `baseof.html` to render without
   sidebar + rail. The body markdown stays at the same comfortable
   reading measure (juicerstudy is about prose, not full-bleed
   layouts), but the landing's <h1> + lead get extra breathing room
   so the page feels like a cover rather than just another note. */
.juicerstudy-page-splash .juicerstudy-content > article > h1:first-child,
.juicerstudy-page-splash .juicerstudy-landing > h1:first-child {
  margin-top: 3rem;
  font-size: clamp(2.25rem, 5vw, 3rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.juicerstudy-page-splash .juicerstudy-lead {
  font-size: 1.25rem;
  margin-bottom: 3rem;
}

/* Section-list shortcode — a catalog of the current section's
   children. Library-card aesthetic: a stack of entries, each with a
   title, a one-line summary, and (optionally) a read-time meta. No
   borders, no boxes — just typographic stacking with a hairline
   between each entry. */
.juicerstudy-section-list {
  list-style: none;
  margin: 2rem 0;
  padding: 0;
  border-top: 1px solid var(--border-soft);
}
.juicerstudy-section-list-item {
  border-bottom: 1px solid var(--border-soft);
}

.juicerstudy-section-list-link {
  display: block;
  padding: 0.875rem 0;
  color: var(--fg);
  text-decoration: none;
  transition: color 0.1s;
}
.juicerstudy-section-list-link:hover {
  color: var(--brand);
  text-decoration: none;
}

.juicerstudy-section-list-title {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 500;
}
.juicerstudy-section-list-summary {
  display: block;
  margin-top: 0.125rem;
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  font-style: italic;
  color: var(--fg-soft);
}
.juicerstudy-section-list-meta {
  display: inline-block;
  margin-top: 0.25rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.juicerstudy-section-list-count {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* Subsection group within a section-list — visually identical, but
   sits below the page list with a small label gap so the two clusters
   read as different kinds of thing. */
.juicerstudy-section-list-subsections {
  margin-top: 1.5rem;
}
.juicerstudy-section-list-item-subsection .juicerstudy-section-list-title {
  font-style: italic;
}


/* ============================================================
 * 10. Markdown content typography
 *
 * Anything inside .juicerstudy-content is server-rendered Markdown.
 * Default styles target unprefixed tags so authors can write plain
 * Markdown and still get the polished look.
 * ============================================================ */

.juicerstudy-content {
  color: var(--fg);
  line-height: 1.7;
  font-size: 1rem;
}

/* `<p>` reset — zero browser defaults so spacing comes entirely from
   the universal stack-rhythm rule below. Must sit BEFORE that rule:
   both selectors have specificity (0,1,1), so on a tie the later one
   wins, and we want the universal rule's margin-top to win against
   this rule's margin: 0 shorthand. Heading rules (h1..h6) and the
   blockquote rule live AFTER the universal rule, deliberately, so
   their own margin-top values override 2em where we want them to. */
.juicerstudy-content p {
  margin: 0;
  color: var(--fg);
}

/* Stack rhythm — applies between adjacent siblings, both at the
   .juicerstudy-content level (breadcrumbs / article / prev-next) and
   inside the <article> wrapper that holds the prose. The direct-child
   combinator is intentional: it avoids reaching into nested lists or
   blockquotes whose internal rhythm is set by their own rules. Both
   selectors are needed because baseof.html wraps the markdown in an
   <article>, so plain `.juicerstudy-content > * + *` skips right over
   every paragraph. */
.juicerstudy-content > * + *,
.juicerstudy-content article > * + * { margin-top: 1.25em; }

/* Headings — serif, modest weight. The display-bold (800) +
   negative tracking pattern is for product/interface typography;
   reading typography wants weight to come from the typeface, not
   from boldness pushed to its limit. */
.juicerstudy-content h1,
.juicerstudy-content h2,
.juicerstudy-content h3,
.juicerstudy-content h4,
.juicerstudy-content h5,
.juicerstudy-content h6 {
  color: var(--fg);
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: 0;
  scroll-margin-top: calc(var(--topbar-h) + 1.5rem);
  line-height: 1.25;
}
.juicerstudy-content h1 {
  font-size: 2.125rem;
  margin: 0 0 1.5rem 0;
  font-weight: 600;
}
.juicerstudy-content h2 {
  font-size: 1.5rem;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}
.juicerstudy-content h3 {
  font-size: 1.25rem;
  margin-top: 2rem;
  margin-bottom: 0.625rem;
  font-style: italic;
  font-weight: 500;
}
.juicerstudy-content h4 {
  font-size: 1.0625rem;
  margin-top: 1.5rem;
  margin-bottom: 0.375rem;
}
.juicerstudy-content h5,
.juicerstudy-content h6 {
  font-size: 1rem;
  margin-top: 1.25rem;
  margin-bottom: 0.375rem;
}

/* (.juicerstudy-content p reset moved above, before the universal
   stack-rhythm rule, to win on cascade tie — see comment there.) */

/* Markdown-body links — scoped via :not() so the rule doesn't bleed into
   buttons / cards / prev-next anchors, which own their own colors. */
.juicerstudy-content a:not([class*="juicerstudy-"]) {
  color: var(--brand);
  text-decoration: underline;
  text-decoration-color: rgb(from var(--brand) r g b / 0.4);
  text-underline-offset: 2px;
  transition: text-decoration-color 0.15s;
}
.juicerstudy-content a:not([class*="juicerstudy-"]):hover {
  text-decoration-color: var(--brand);
}

.juicerstudy-content strong { color: var(--fg); font-weight: 700; }
.juicerstudy-content em { color: inherit; }

.juicerstudy-content ul,
.juicerstudy-content ol {
  padding-left: 1.5rem;
  color: var(--fg);
}
.juicerstudy-content ul { list-style: disc; }
.juicerstudy-content ol { list-style: decimal; }
.juicerstudy-content li { margin: 0.375rem 0; }
.juicerstudy-content li > p { margin: 0; }
.juicerstudy-content li::marker { color: var(--muted); }

.juicerstudy-content ul ul,
.juicerstudy-content ul ol,
.juicerstudy-content ol ol,
.juicerstudy-content ol ul {
  margin-top: 0.375rem;
  margin-bottom: 0.375rem;
}

.juicerstudy-content blockquote {
  margin: 1.5rem 0 1.5rem 0.5rem;
  padding: 0.125rem 0 0.125rem 1.25rem;
  border-left: 2px solid var(--border);
  color: var(--fg-soft);
  font-style: italic;
}

.juicerstudy-content hr {
  margin: 2.5rem 0;
  border-top: 1px solid var(--border);
}

.juicerstudy-content img {
  max-width: 100%;
  border-radius: var(--radius-md);
}

.juicerstudy-content figure { margin: 1.5rem 0; }
.juicerstudy-content figcaption {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted);
  text-align: center;
}

/* Inline code */
.juicerstudy-content :not(pre) > code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  padding: 0.15em 0.375em;
  border-radius: var(--radius-sm);
  background: var(--brand-soft);
  color: var(--brand);
  border: 1px solid rgb(from var(--brand) r g b / 0.15);
  white-space: nowrap;
}

/* Block code */
.juicerstudy-content pre {
  position: relative;
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  background: var(--code-bg);
  color: var(--code-fg);
  border: 1px solid var(--code-border);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}
.juicerstudy-content pre code {
  font-family: inherit;
  font-size: inherit;
  background: none;
  padding: 0;
  color: inherit;
  border: 0;
  white-space: pre;
}
.juicerstudy-content pre[data-language]::before {
  content: attr(data-language);
  position: absolute;
  top: 0.375rem;
  left: 0.875rem;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  pointer-events: none;
}
.juicerstudy-content pre[data-language] {
  padding-top: 1.75rem;
}

/* ============================================================
   Syntax highlighting
   ============================================================
   Server-side via the `highlighter` lib (TextMate grammars). When juicer
   sees a `<src>/grammars/<lang>.tmLanguage.json`, it parses each one
   once, wires markdown's `codeHighlighter` callback, and emits
   `<span class="hl-keyword">…</span>` etc. inside the existing
   `<pre><code>`. The theme owns the colors via these classes; sites
   without a grammars/ dir get plain `<pre><code>` and these styles
   are inert.

   Palette lives in juicerstudy's magenta/purple/leaf color space —
   keywords carry the brand magenta, strings stay leaf-green, types
   pick up the accent violet so the page reads as one piece. Dark-mode
   swaps to lighter, slightly cooler tones so the accents don't burn
   against the deep code background. */
.juicerstudy-content .hl-keyword     { color: #a30d57; font-weight: 600; }
.juicerstudy-content .hl-string      { color: #4d7c0f; }
.juicerstudy-content .hl-comment     { color: #71717a; font-style: italic; }
.juicerstudy-content .hl-number      { color: #b91c1c; }
.juicerstudy-content .hl-type        { color: #6f1f9e; }
.juicerstudy-content .hl-function    { color: #1d4ed8; }
.juicerstudy-content .hl-variable    { color: inherit; }
.juicerstudy-content .hl-operator    { color: #52525b; }
.juicerstudy-content .hl-punctuation { color: #71717a; }

[data-theme="dark"] .juicerstudy-content .hl-keyword     { color: #f472b6; }
[data-theme="dark"] .juicerstudy-content .hl-string      { color: #a3e635; }
[data-theme="dark"] .juicerstudy-content .hl-comment     { color: #a1a1aa; }
[data-theme="dark"] .juicerstudy-content .hl-number      { color: #fb7185; }
[data-theme="dark"] .juicerstudy-content .hl-type        { color: #c084fc; }
[data-theme="dark"] .juicerstudy-content .hl-function    { color: #93c5fd; }
[data-theme="dark"] .juicerstudy-content .hl-operator    { color: #d4d4d8; }
[data-theme="dark"] .juicerstudy-content .hl-punctuation { color: #a1a1aa; }

/* Tables */
.juicerstudy-content table {
  width: 100%;
  margin: 1.5rem 0;
  border-collapse: collapse;
  font-size: 0.9375rem;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}
.juicerstudy-content thead {
  background: var(--surface);
  border-top: 2px solid var(--brand);
}
.juicerstudy-content th {
  text-align: left;
  padding: 0.625rem 0.875rem;
  font-weight: 600;
  color: var(--fg);
  border-bottom: 1px solid var(--border);
}
.juicerstudy-content td {
  padding: 0.625rem 0.875rem;
  border-bottom: 1px solid var(--border-soft);
  color: var(--fg-soft);
}
.juicerstudy-content tbody tr:nth-child(even) { background: var(--bg-soft); }
.juicerstudy-content tbody tr:hover { background: var(--brand-soft); }
.juicerstudy-content tr:last-child td { border-bottom: 0; }

/* Definition lists */
.juicerstudy-content dl { margin: 1rem 0; }
.juicerstudy-content dt { font-weight: 600; color: var(--fg); margin-top: 0.75rem; }
.juicerstudy-content dd { margin-left: 1.5rem; color: var(--fg-soft); }


/* ============================================================
 * 11. Shortcodes
 * ============================================================ */

/* ----- Callouts (note / tip / warning / danger) ----- */

.juicerstudy-callout {
  position: relative;
  margin: 1.5rem 0;
  padding: 1rem 1rem 1rem 2.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--callout-border, var(--border));
  background: var(--callout-bg, var(--surface-2));
  color: var(--fg);
}
.juicerstudy-callout::before {
  content: "";
  position: absolute;
  left: 0.875rem;
  top: 1.0625rem;
  width: 1.25rem;
  height: 1.25rem;
  background-color: var(--callout-accent, var(--muted));
  -webkit-mask-image: var(--callout-icon);
          mask-image: var(--callout-icon);
  -webkit-mask-size: contain;
          mask-size: contain;
  -webkit-mask-repeat: no-repeat;
          mask-repeat: no-repeat;
  -webkit-mask-position: center;
          mask-position: center;
}
.juicerstudy-callout > strong {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--callout-accent, var(--fg));
}
.juicerstudy-callout-body {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--fg-soft);
}
.juicerstudy-callout-body > *:first-child { margin-top: 0; }
.juicerstudy-callout-body > *:last-child  { margin-bottom: 0; }
.juicerstudy-callout-body p { margin: 0.5rem 0; }
.juicerstudy-callout-body p:first-child { margin-top: 0; }
.juicerstudy-callout-body p:last-child  { margin-bottom: 0; }
.juicerstudy-callout-body code:not(pre code) {
  font-family: var(--font-mono);
  font-size: 0.875em;
  padding: 0.1em 0.3em;
  border-radius: var(--radius-sm);
  background: rgb(from var(--callout-accent, var(--brand)) r g b / 0.15);
  color: var(--callout-accent, var(--brand));
}

.juicerstudy-callout-note {
  --callout-accent:  #2563eb;
  --callout-bg:      #eff6ff;
  --callout-border:  #bfdbfe;
  --callout-icon:    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='black' stroke-width='2'><path stroke-linecap='round' stroke-linejoin='round' d='M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 1 1-18 0 9 9 0 0 1 18 0Z'/></svg>");
}
[data-theme="dark"] .juicerstudy-callout-note {
  --callout-accent: #60a5fa;
  --callout-bg:     rgba(37,99,235,0.10);
  --callout-border: rgba(37,99,235,0.35);
}

.juicerstudy-callout-tip {
  --callout-accent: #16a34a;
  --callout-bg:     #f0fdf4;
  --callout-border: #bbf7d0;
  --callout-icon:   url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='black' stroke-width='2'><path stroke-linecap='round' stroke-linejoin='round' d='M9.663 17h4.673M12 3v1m6.364 1.636-.707.707M21 12h-1M4 12H3m3.343-5.657-.707-.707m2.828 9.9a5 5 0 1 1 7.072 0l-.548.547A3.374 3.374 0 0 0 14 18.469V19a2 2 0 1 1-4 0v-.531c0-.895-.356-1.754-.988-2.386l-.548-.547Z'/></svg>");
}
[data-theme="dark"] .juicerstudy-callout-tip {
  --callout-accent: #4ade80;
  --callout-bg:     rgba(22,163,74,0.10);
  --callout-border: rgba(22,163,74,0.35);
}

.juicerstudy-callout-warning {
  --callout-accent: #ca8a04;
  --callout-bg:     #fefce8;
  --callout-border: #fde68a;
  --callout-icon:   url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='black' stroke-width='2'><path stroke-linecap='round' stroke-linejoin='round' d='M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3Z'/></svg>");
}
[data-theme="dark"] .juicerstudy-callout-warning {
  --callout-accent: #facc15;
  --callout-bg:     rgba(202,138,4,0.10);
  --callout-border: rgba(202,138,4,0.35);
}

.juicerstudy-callout-danger {
  --callout-accent: #dc2626;
  --callout-bg:     #fef2f2;
  --callout-border: #fecaca;
  --callout-icon:   url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='black' stroke-width='2'><path stroke-linecap='round' stroke-linejoin='round' d='M12 8v4m0 4h.01M21 12a9 9 0 1 1-18 0 9 9 0 0 1 18 0Z'/></svg>");
}
[data-theme="dark"] .juicerstudy-callout-danger {
  --callout-accent: #f87171;
  --callout-bg:     rgba(220,38,38,0.10);
  --callout-border: rgba(220,38,38,0.35);
}


/* ----- Steps ----- */

.juicerstudy-steps {
  margin: 2rem 0;
  counter-reset: jd-step;
}
.juicerstudy-steps > ol {
  list-style: none;
  margin: 0;
  padding: 0;
}
.juicerstudy-steps > ol > li {
  position: relative;
  padding-left: 3rem;
  padding-bottom: 1.5rem;
  border-left: 2px solid var(--border);
  margin-left: 1rem;
  counter-increment: jd-step;
}
.juicerstudy-steps > ol > li:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}
.juicerstudy-steps > ol > li::before {
  content: counter(jd-step);
  position: absolute;
  left: -1rem;
  top: -0.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--brand);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.875rem;
}
[data-theme="dark"] .juicerstudy-steps > ol > li::before { color: #0a0a0a; }


/* ----- Tabs ----- */

.juicerstudy-tabs {
  margin: 1.5rem 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface-2);
}
.juicerstudy-tabs-bar {
  display: flex;
  gap: 0.25rem;
  padding: 0.5rem 0.5rem 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.juicerstudy-tabs-button {
  padding: 0.5rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  transition: color 0.1s, border-color 0.1s;
}
.juicerstudy-tabs-button:hover { color: var(--fg); }
.juicerstudy-tabs-button.is-active {
  color: var(--brand);
  border-bottom-color: var(--brand);
}
.juicerstudy-tab-panel {
  padding: 1rem 1.25rem;
  display: none;
}
.juicerstudy-tab-panel.is-active { display: block; }


/* ----- Filetree ----- */

.juicerstudy-filetree {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--fg-soft);
  white-space: pre;
  overflow-x: auto;
}


/* ----- kbd ----- */

.juicerstudy-kbd {
  display: inline-block;
  padding: 0.125rem 0.375rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg);
  background: var(--surface);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: var(--radius-sm);
}


/* ----- Collapse ----- */

.juicerstudy-collapse {
  margin: 1rem 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
}
.juicerstudy-collapse > summary {
  cursor: pointer;
  padding: 0.625rem 1rem;
  font-weight: 500;
  color: var(--fg);
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.juicerstudy-collapse > summary::-webkit-details-marker { display: none; }
.juicerstudy-collapse > summary::before {
  content: "";
  width: 0.75rem;
  height: 0.75rem;
  background-color: currentColor;
  -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'><path d='M9 6 15 12 9 18Z'/></svg>");
          mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'><path d='M9 6 15 12 9 18Z'/></svg>");
  -webkit-mask-size: contain;
          mask-size: contain;
  -webkit-mask-repeat: no-repeat;
          mask-repeat: no-repeat;
  -webkit-mask-position: center;
          mask-position: center;
  transition: transform 0.2s;
}
.juicerstudy-collapse[open] > summary::before { transform: rotate(90deg); }
.juicerstudy-collapse > summary:hover { background: var(--surface); }
.juicerstudy-collapse[open] > summary { border-bottom: 1px solid var(--border); }
.juicerstudy-collapse-body {
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--fg-soft);
}
.juicerstudy-collapse-body > *:first-child { margin-top: 0; }
.juicerstudy-collapse-body > *:last-child  { margin-bottom: 0; }


/* ----- Badge ----- */

.juicerstudy-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 9999px;
  background: var(--brand-soft);
  color: var(--brand);
}


/* ----- Figure ----- */

.juicerstudy-figure {
  margin: 1.5rem 0;
}
.juicerstudy-figure img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.juicerstudy-figure figcaption {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted);
  text-align: center;
}


/* ----- YouTube ----- */

.juicerstudy-youtube {
  margin: 1.5rem 0;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.juicerstudy-youtube iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}


/* ----- GitHub repo card ----- */

.juicerstudy-github {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.75rem 1rem;
  margin: 1rem 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-2);
  color: var(--fg);
  text-decoration: none;
  transition: border-color 0.15s, transform 0.15s;
}
.juicerstudy-github:hover {
  border-color: var(--brand);
  transform: translateY(-2px);
  text-decoration: none;
}
.juicerstudy-github svg { width: 1.5rem; height: 1.5rem; flex-shrink: 0; }
.juicerstudy-github-body {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.juicerstudy-github-name {
  font-weight: 600;
  color: var(--fg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.juicerstudy-github-sub {
  font-size: 0.75rem;
  color: var(--muted);
}


/* ----- Buttons row ----- */

.juicerstudy-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0;
}


/* ============================================================
 * 12. JS-driven state
 * ============================================================ */

/* ----- Code block "copy" buttons ----- */

.juicerstudy-copy {
  position: absolute;
  top: 0.375rem;
  right: 0.5rem;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  font-family: var(--font-sans);
  border-radius: var(--radius-sm);
  color: var(--muted);
  background: rgb(from var(--fg) r g b / 0.08);
  border: 1px solid rgb(from var(--fg) r g b / 0.12);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s, background 0.15s;
}
.juicerstudy-content pre:hover .juicerstudy-copy,
.juicerstudy-copy:focus-visible { opacity: 1; }
.juicerstudy-copy:hover {
  color: var(--fg);
  background: rgb(from var(--fg) r g b / 0.16);
}
.juicerstudy-copy.is-copied {
  color: var(--leaf);
  opacity: 1;
}


/* ----- Mobile sidebar overlay ----- */

.juicerstudy-sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 35;
  background: rgba(0, 0, 0, 0.5);
}

@media (max-width: 1023px) {
  body[data-sidebar-open="true"] .juicerstudy-sidebar-aside {
    display: block;
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    bottom: 0;
    z-index: 40;
    width: var(--sidebar-w);
    max-width: 80vw;
    overflow-y: auto;
    background: var(--bg);
    box-shadow: var(--shadow-lg);
  }
  body[data-sidebar-open="true"] .juicerstudy-sidebar-backdrop {
    display: block;
  }
}


/* ============================================================
 * 13. 404
 * ============================================================ */

.juicerstudy-404 {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  text-align: center;
}
.juicerstudy-404-inner { max-width: 24rem; }
.juicerstudy-404-logo {
  width: 5rem;
  height: 5rem;
  margin: 0 auto 1.5rem;
  opacity: 0.9;
}
.juicerstudy-404-title {
  margin: 0 0 0.5rem 0;
  font-size: 3rem;
  font-weight: 700;
  color: var(--fg);
}
.juicerstudy-404-msg {
  margin: 0 0 2rem 0;
  font-size: 1.125rem;
  color: var(--muted);
}


/* ============================================================
 * 14. Footer
 * ============================================================ */

.juicerstudy-footer {
  margin-top: 4rem;
  border-top: 1px solid var(--border);
}
.juicerstudy-footer-inner {
  max-width: var(--site-max);
  margin: 0 auto;
  padding: 2rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted);
}
@media (min-width: 640px) {
  .juicerstudy-footer-inner {
    flex-direction: row;
    justify-content: space-between;
  }
}
.juicerstudy-footer p { margin: 0; }
.juicerstudy-footer a { color: var(--brand); }
.juicerstudy-footer a:hover { text-decoration: underline; }


/* ============================================================
 * 15. Misc text utilities (used outside .juicerstudy-content)
 * ============================================================ */

.juicerstudy-text-muted { color: var(--muted); }
.juicerstudy-text-soft  { color: var(--fg-soft); }
.juicerstudy-text-brand { color: var(--brand); }
.juicerstudy-mono       { font-family: var(--font-mono); }