/*  pencil.md — design system
 *  Paper + ink. Serif body, mono chrome. Single accent (pencil yellow).
 *  No rounded corners except buttons (2px). No shadows. No gradients.
 */

:root {
  /* paper */
  --bg: #FAF7F2;
  --bg-soft: #F2EEE6;
  --ink: #1A1714;
  --ink-soft: #4A453E;
  --rule: #D9D2C4;
  --accent: #F4B400;
  --accent-ink: #2A1F00;
  --danger: #B83A28;

  /* type */
  --font-serif: "Newsreader", "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* scale */
  --t-base: 18px;
  --t-lh: 1.65;
  --measure: clamp(38rem, 75vw, 72rem);
  --pad: 1.5rem;
  --rule-w: 1px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14110D;
    --bg-soft: #1E1A14;
    --ink: #ECE6D8;
    --ink-soft: #A39C8C;
    --rule: #2C271E;
    --accent: #F4B400;
    --accent-ink: #14110D;
    --danger: #E5705F;
  }
}

/* ---------- self-hosted fonts (optional; falls back to system if absent) ---------- */

@font-face {
  font-family: "Newsreader";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("/fonts/newsreader-variable.woff2") format("woff2-variations");
}
@font-face {
  font-family: "Newsreader";
  font-style: italic;
  font-weight: 400 700;
  font-display: swap;
  src: url("/fonts/newsreader-italic-variable.woff2") format("woff2-variations");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("/fonts/jetbrains-mono-variable.woff2") format("woff2-variations");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("/fonts/inter-variable.woff2") format("woff2-variations");
}

/* ---------- reset ---------- */

*, *::before, *::after { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  /* Page itself never scrolls horizontally — only inner blocks (pre, table)
   * are allowed to overflow sideways. `clip` (vs `hidden`) doesn't establish
   * a scroll container, so the sticky topbar still pins to the viewport. */
  max-width: 100%;
  overflow-x: clip;
}
html {
  -webkit-text-size-adjust: 100%;
  /* Kill iOS Safari's gray/blue tap-overlay flash on touch. Cascades to all
   * descendants so containers don't flash either. */
  -webkit-tap-highlight-color: transparent;
}
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: var(--t-base);
  line-height: var(--t-lh);
  font-feature-settings: "kern", "liga", "onum";
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection { background: var(--accent); color: var(--accent-ink); }

button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }

a {
  color: var(--ink);
  text-decoration-color: var(--rule);
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}
a:hover {
  text-decoration-color: var(--accent);
}
a:focus-visible, button:focus-visible, textarea:focus-visible, input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- layout primitives ---------- */

.app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main {
  flex: 1;
  width: 100%;
}

.footer {
  border-top: var(--rule-w) solid var(--rule);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  color: var(--ink-soft);
  padding: 0.35rem var(--pad);
  text-align: center;
}

/* ---------- buttons ---------- */

.btn {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  background: var(--bg-soft);
  border: var(--rule-w) solid var(--rule);
  color: var(--ink);
  padding: 0.45rem 0.85rem;
  border-radius: 2px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: border-color 80ms linear, background 80ms linear;
}
.btn:hover { border-color: var(--ink-soft); }
.btn:active { background: var(--rule); }
.btn--primary {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.btn--primary:hover { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
/* Suppress the primary's accent flip on hover while disabled. */
.btn--primary:disabled:hover {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.btn--ghost {
  background: transparent;
  border-color: transparent;
  color: var(--ink-soft);
}
.btn--ghost:hover { color: var(--ink); }

/* ---------- reader (full-page preview) ---------- */

.reader {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 4rem var(--pad) 6rem;
}

.reader h1.title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(2rem, 4vw, 2.6rem);
  line-height: 1.15;
  margin: 0 0 0.4rem;
  letter-spacing: -0.01em;
}
.reader .meta {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 2.5rem;
  border-bottom: var(--rule-w) solid var(--rule);
  padding-bottom: 0.8rem;
}

.prose {
  /* Break long URLs / identifiers so they don't push the page wider. */
  overflow-wrap: anywhere;
  word-break: break-word;
}
.prose p { margin: 1em 0; }
.prose h1, .prose h2, .prose h3, .prose h4, .prose h5, .prose h6 {
  position: relative;
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.25;
  margin: 1.6em 0 0.6em;
  letter-spacing: -0.005em;
}
.prose h1 { font-size: 1.7em; }
.prose h2 { font-size: 1.4em; border-bottom: var(--rule-w) solid var(--rule); padding-bottom: 0.2em; }
.prose h3 { font-size: 1.2em; }
.prose h4 { font-size: 1.05em; }
.prose h5, .prose h6 { font-size: 1em; color: var(--ink-soft); }

/* Hashtag permalink injected as the first child of every heading by
 * markdown-it-anchor's linkInsideHeader. Hidden by default; revealed at
 * 50% on heading hover/focus and 100% when the cursor is on the # itself.
 * Mobile browsers fire :hover on tap, so the same rule covers tap-reveal
 * without any JS. Click handler in src/client/reader.ts intercepts the
 * navigation and copies the section URL instead. */
.prose .header-anchor {
  position: absolute;
  left: -1.1em;
  top: 0;
  bottom: 0;
  display: inline-flex;
  align-items: center;
  padding-right: 0.4em;
  font-size: 0.65em;
  font-weight: 400;
  color: var(--ink-soft);
  text-decoration: none;
  opacity: 0;
  transition: opacity 120ms ease;
}
.prose h1:hover > .header-anchor,
.prose h2:hover > .header-anchor,
.prose h3:hover > .header-anchor,
.prose h4:hover > .header-anchor,
.prose h5:hover > .header-anchor,
.prose h6:hover > .header-anchor,
.prose .header-anchor:focus-visible {
  opacity: 0.5;
}
.prose .header-anchor:hover {
  opacity: 1;
}

.prose a { color: var(--ink); text-decoration-color: var(--accent); }
.prose a:hover { text-decoration-thickness: 2px; }

.prose ul, .prose ol { padding-left: 1.4em; margin: 1em 0; }
.prose li { margin: 0.3em 0; }
.prose li input[type="checkbox"] {
  margin-right: 0.4em;
  accent-color: var(--accent);
  transform: translateY(1px);
}

.prose blockquote {
  margin: 1.5em 0;
  padding: 0.2em 1em;
  border-left: 3px solid var(--accent);
  color: var(--ink-soft);
  font-style: italic;
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-soft);
  padding: 0.12em 0.35em;
  border-radius: 2px;
  border: var(--rule-w) solid var(--rule);
}
.prose pre {
  font-family: var(--font-mono);
  background: var(--bg-soft);
  border: var(--rule-w) solid var(--rule);
  padding: 1em 1.2em;
  border-radius: 2px;
  overflow-x: auto;
  max-width: 100%;
  font-size: 0.9em;
  line-height: 1.55;
  margin: 1.5em 0;
}
.prose pre code {
  /* Inside <pre> the content scrolls horizontally; don't let our global
   * break-word rules collapse the layout. */
  overflow-wrap: normal;
  word-break: normal;
  white-space: pre;
}
.prose pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
}

.prose hr {
  border: none;
  border-top: var(--rule-w) solid var(--rule);
  margin: 2.5em 0;
}

/* Tables are wrapped in <div class="table-wrap"> at render time (see
 * src/lib/markdown.ts) so the wrapper owns horizontal overflow while the
 * <table> keeps its natural `display: table` layout. The margin lives on
 * the wrapper so the table itself doesn't double up. */
.prose .table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
  margin: 1.5em 0;
}
.prose .table-wrap > table {
  margin: 0;
  /* Explicit auto so cell `max-width` caps below are honored when stacked
   * rules get confusing. Auto is the default for <table>. */
  table-layout: auto;
  /* Override the global `.prose table { width: 100% }` so tables inside the
   * scroll wrapper size by content. Combined with the per-cell min/max below
   * this gives a comfortable column floor while letting wide tables overflow
   * (and the wrapper scroll horizontally) instead of cramming into the
   * viewport. */
  width: auto;
}
.prose table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.5em 0;
  font-size: 0.95em;
}
/* Per-column floor + cap: `min-width` keeps short cells (numbers, "yes",
 * dates) from collapsing to one-character columns; `max-width` makes long
 * cells wrap multi-line instead of stretching the column. The wrapper
 * scrolls horizontally for tables that exceed the viewport. */
.prose .table-wrap th,
.prose .table-wrap td {
  min-width: 8rem;
  max-width: 20vw;
  overflow-wrap: anywhere;
  word-break: break-word;
}
@media (max-width: 720px) {
  .prose .table-wrap th,
  .prose .table-wrap td {
    min-width: 7rem;
    max-width: 70vw;
  }
}
.prose th, .prose td {
  text-align: left;
  padding: 0.55em 0.8em;
  border: var(--rule-w) solid var(--rule);
}
.prose th { background: var(--bg-soft); font-weight: 600; }

.prose img {
  max-width: 100%;
  /* Cap inline height (~15 text lines) so a tall phone screenshot doesn't
   * take over the page; the lightbox (click) shows it full-screen. */
  max-height: 28rem;
  width: auto;
  height: auto;
  display: block;
  margin: 1.5em auto;
  border: var(--rule-w) solid var(--rule);
  cursor: zoom-in;
}

/* ---------- image carousel (```carousel fence) ---------- */

.prose .carousel {
  position: relative;
  margin: 1.5em 0;
}
.prose .carousel-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  border: var(--rule-w) solid var(--rule);
  border-radius: 6px;
  background: var(--bg-soft);
}
.prose .carousel-track::-webkit-scrollbar { display: none; }
.prose .carousel-slide {
  flex: 0 0 100%;
  scroll-snap-align: start;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 100%;
}
.prose .carousel-slide img {
  margin: 0;
  border: none;
  max-height: 28rem;
  object-fit: contain;
}
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 2rem;
  height: 2.6rem;
  border: var(--rule-w) solid var(--rule);
  border-radius: 4px;
  background: var(--bg);
  color: var(--ink);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0.85;
}
.carousel-btn:hover { opacity: 1; }
.carousel-btn[disabled] { opacity: 0.25; cursor: default; }
.carousel-prev { left: 0.5rem; }
.carousel-next { right: 0.5rem; }
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 0.6rem;
}
.carousel-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--rule);
  transition: background 150ms ease;
}
.carousel-dot.active { background: var(--ink); }

/* ---------- lightbox ---------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}
.lightbox img {
  max-width: 96vw;
  max-height: 96vh;
  object-fit: contain;
}

.prose mark { background: var(--accent); color: var(--accent-ink); padding: 0 0.15em; }
.prose del { color: var(--ink-soft); }

.prose .footnotes {
  margin-top: 3em;
  padding-top: 1.5em;
  border-top: var(--rule-w) solid var(--rule);
  font-size: 0.9em;
}
.prose .footnotes ol { padding-left: 1.2em; }
.prose .footnote-ref a, .prose .footnote-backref { text-decoration: none; color: var(--accent-ink); background: var(--accent); padding: 0 0.3em; border-radius: 2px; font-size: 0.8em; }

/* ToC */
.toc {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--bg-soft);
  border: var(--rule-w) solid var(--rule);
  padding: 1em 1.5em;
  margin: 2em 0;
}
.toc ul { padding-left: 1em; margin: 0.4em 0; }

/* highlight.js token colors — tuned for paper background */
.hljs-keyword, .hljs-selector-tag, .hljs-built_in, .hljs-name, .hljs-tag { color: #8C2A1A; }
.hljs-string, .hljs-title, .hljs-section, .hljs-attribute, .hljs-literal, .hljs-template-tag, .hljs-template-variable, .hljs-type, .hljs-addition { color: #4A6B12; }
.hljs-comment, .hljs-quote { color: var(--ink-soft); font-style: italic; }
.hljs-number, .hljs-symbol, .hljs-bullet, .hljs-link, .hljs-meta, .hljs-selector-attr, .hljs-selector-pseudo { color: #8B5A0B; }
.hljs-doctag, .hljs-strong { font-weight: 700; }
.hljs-emphasis { font-style: italic; }
@media (prefers-color-scheme: dark) {
  .hljs-keyword, .hljs-selector-tag, .hljs-built_in, .hljs-name, .hljs-tag { color: #F2A998; }
  .hljs-string, .hljs-title, .hljs-section, .hljs-attribute, .hljs-literal, .hljs-template-tag, .hljs-template-variable, .hljs-type, .hljs-addition { color: #BFD68A; }
  .hljs-number, .hljs-symbol, .hljs-bullet, .hljs-link, .hljs-meta, .hljs-selector-attr, .hljs-selector-pseudo { color: #F4B97D; }
}

/* ---------- reader corner actions (owner-only) ----------
 * Owner-only chip row in the top-right of the reader: copy-link icon button
 * paired with the edit button. The whole row is omitted from the markup for
 * non-owners (see src/views/reader.ts), so non-owner readers never see either
 * control. No wrapping card — each control supplies its own background and
 * border so they can sit free-floating on the page. */
.corner-actions {
  position: fixed;
  /* env() keeps the corner clear of the iOS notch on devices using
   * viewport-fit=cover. 0px fallback for browsers without safe-area support. */
  top: calc(0.75rem + env(safe-area-inset-top, 0px));
  right: calc(0.75rem + env(safe-area-inset-right, 0px));
  z-index: 50;
  display: flex;
  /* Stretch every chip to the row's tallest member so the icon buttons match
   * the text-driven height of the adjacent .btn--primary edit button. */
  align-items: stretch;
  gap: 0.5rem;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  height: auto;
  padding: 0 0.7rem;
  background: var(--bg-soft);
  border: var(--rule-w) solid var(--rule);
  border-radius: 2px;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
  text-decoration: none;
  transition: background 100ms ease, color 100ms ease, border-color 100ms ease;
}
.icon-btn:hover { border-color: var(--ink-soft); }
.icon-btn svg { width: 16px; height: 16px; display: block; }

/* default state: link icon visible, check + text hidden */
.icon-btn .icon-check { display: none; }
.icon-btn .copied-text { display: none; }

/* copied state */
.icon-btn[data-copied="true"] {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}
.icon-btn[data-copied="true"] .icon-link { display: none; }
.icon-btn[data-copied="true"] .icon-check { display: block; }
.icon-btn[data-copied="true"] .copied-text { display: inline; }

/* On mobile bump the icon button to a comfortable touch target (44x44 is
 * the WCAG AAA minimum and what iOS HIG / Material both recommend). The
 * row's stretch alignment (always-on now) grows the icon buttons to match
 * the adjacent .btn--primary's text-driven height on every viewport. */
@media (max-width: 720px) {
  .icon-btn {
    min-width: 44px;
    min-height: 44px;
  }
  .icon-btn svg { width: 18px; height: 18px; }
}

/* ---------- editor ---------- */

/* On editor pages the topbar is omitted; let .main fill the viewport so the
 * editor shell can stretch with flex rather than a magic viewport calc. */
.page-editor .main {
  display: flex;
  flex-direction: column;
  /* A flex item's default min-height is `auto`, which refuses to shrink below
   * content height — that would let .main overflow the viewport-bounded .app
   * and break internal pane scrolling. min-height:0 lets the chain resolve. */
  min-height: 0;
}

.editor-shell {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  max-width: 100%;
}

/* Desktop: pin the editor page to the viewport so the flex chain is bounded
 * and the two panes scroll *internally* (textarea + preview each own their
 * scroll). `.app` needs a *definite* height (not just min-height) or the flex
 * children grow to content height and overflow gets clipped — nothing scrolls.
 * With a definite height the chain resolves and the textarea / preview pane
 * become the scroll containers, which is also what the per-pane scroll-sync
 * listeners require. The mobile media query below resets all of this so the
 * editor flows in the page and the window scrolls instead. */
body.page-editor {
  height: 100vh;
  overflow: hidden;
}
body.page-editor .app {
  height: 100%;
  min-height: 0;
}

/* Floating action group: pinned to the viewport top-right, sitting directly
 * on the content (no card/overlay). Each button carries its own background
 * and border via .btn / .btn--primary, so the group is purely a positioning
 * wrapper. Stays put while the page or textarea scroll. */
.editor-actions {
  position: fixed;
  /* Mirror corner-actions: dodge iOS notch + landscape safe-area-right. */
  top: calc(0.75rem + env(safe-area-inset-top, 0px));
  right: calc(0.75rem + env(safe-area-inset-right, 0px));
  z-index: 50;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  background: none;
  border: none;
  padding: 0;
}

/* Inline error chip in the floating action group. Hidden when empty so it
 * doesn't take any space; appears as a small mono badge when set. */
.save-error {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--bg);
  background: var(--danger);
  padding: 0.35rem 0.55rem;
  border-radius: 2px;
}
.save-error:empty { display: none; }

/* Mobile-only segmented pill (iOS-style) shown at bottom-center.
 * Hidden by default on desktop; the @media block below turns it into a
 * floating pill on narrow viewports. */
.editor-tabs {
  display: none;
}
.editor-tabs button {
  font-family: var(--font-mono);
  font-size: 13px;
  background: transparent;
  border: none;
  border-radius: 999px;
  padding: 6px 14px;
  color: var(--ink-soft);
  transition: background 150ms ease, color 150ms ease;
}
.editor-tabs button[aria-selected="true"] {
  background: var(--ink);
  color: var(--bg);
}

.split {
  flex: 1;
  display: grid;
  /* desktop default: editor full-width, preview collapsed */
  grid-template-columns: 1fr 0;
  /* Single row that fills the (bounded) grid height; minmax(0,...) lets the
   * panes shrink below content so they establish their own scroll instead of
   * stretching the row to content height. Reset to `auto` on mobile, where the
   * editor flows in the page. */
  grid-template-rows: minmax(0, 1fr);
  min-height: 0;
  transition: grid-template-columns 180ms ease;
}
.split[data-preview-open="true"] {
  grid-template-columns: 1fr 1fr;
}
.split > .pane {
  min-width: 0;
  min-height: 0;
}
.split > .pane.editor-pane {
  /* The pane never scrolls — the textarea inside does. The title input lives
   * above the split (full page width) so both panes start at the same height. */
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.split > .pane.preview-pane {
  /* collapsed by default: hide overflowing content during the slide-in */
  overflow: hidden;
  border-left: 0 solid var(--rule);
}
.split[data-preview-open="true"] > .pane.preview-pane {
  overflow: auto;
  border-left: var(--rule-w) solid var(--rule);
}

.editor-shell > input.title {
  flex: 0 0 auto;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  background: var(--bg);
  border: none;
  outline: none;
  /* Big right padding so a long title doesn't run under the floating action
   * group pinned to the viewport top-right. */
  padding: 1.2rem 14rem 0.4rem var(--pad);
  color: var(--ink);
  letter-spacing: -0.01em;
  caret-color: var(--accent);
}
.editor-shell > input.title::placeholder { color: var(--ink-soft); font-style: italic; font-weight: 400; }

.editor-pane textarea {
  flex: 1;
  width: 100%;
  min-height: 0;
  resize: none;
  border: none;
  outline: none;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  padding: 0.6rem var(--pad) 1.4rem;
  caret-color: var(--accent);
  cursor: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'><path d='M2 12 L4 12 L12 4 L10 2 L2 10 Z' fill='%23F4B400' stroke='%231A1714' stroke-width='1' stroke-linejoin='round'/></svg>") 1 13, text;
  tab-size: 2;
  -moz-tab-size: 2;
}

.preview-pane {
  background: var(--bg);
  padding: 1.4rem var(--pad) 4rem;
}
.preview-pane .prose { max-width: var(--measure); margin: 0 auto; }
.preview-pane .placeholder {
  color: var(--ink-soft);
  font-style: italic;
  text-align: center;
  margin-top: 4rem;
  font-family: var(--font-serif);
}

@media (max-width: 720px) {
  /* Floating segmented pill at bottom-center. Out of normal flow so the
   * editor/preview pane reclaim the vertical space. env() keeps it above
   * the iOS home-bar indicator. */
  .editor-tabs {
    display: inline-flex;
    gap: 2px;
    position: fixed;
    bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
    left: 50%;
    transform: translateX(-50%);
    z-index: 50;
    background: var(--bg-soft);
    border: var(--rule-w) solid var(--rule);
    border-radius: 999px;
    padding: 3px;
  }
  /* mobile: tabs swap panes; ignore preview-toggle desktop state */
  .split,
  .split[data-preview-open="true"] { grid-template-columns: 1fr; grid-template-rows: auto; }
  .split > .pane.editor-pane { border-right: none; }
  .split > .pane.preview-pane { overflow: visible; border-left: none; max-height: none; }
  .split > .pane[hidden] { display: none; }
  #preview-toggle { display: none; }

  /* Mobile editor flows in the page: the shell takes content height, the
   * editor pane stops establishing its own scroll context, and the textarea
   * grows with content. The browser-window itself is the scroll container,
   * so the title scrolls up out of view and the footer naturally lands at
   * the bottom of the document. */
  body.page-editor { height: auto; overflow: visible; }
  body.page-editor .app { height: auto; min-height: 100vh; }
  .editor-shell { flex: none; height: auto; min-height: auto; }
  .split > .pane.editor-pane { overflow: visible; }
  .editor-pane textarea {
    /* iOS Safari auto-zooms when a focused field's font-size is <16px. Bump
     * the mono textarea on mobile to defeat the zoom-in jump on tap. */
    font-size: 16px;
    height: auto;
    min-height: 60vh;
    resize: none;
    /* Modern Safari/Chrome auto-grow: the textarea sizes to its content.
     * Older browsers (Safari <17.4, FF <124) get the same effect via the
     * JS fallback in src/client/editor.ts. */
    field-sizing: content;
  }

  .editor-shell > input.title {
    /* Buttons are smaller on mobile (preview-toggle is hidden); shrink the
     * reserved gutter so the title still has room to breathe. */
    padding: 0.9rem 8rem 0.3rem var(--pad);
    font-size: 1.4rem;
  }
}

/* ---------- slash command menu ---------- */

.slash-menu {
  position: fixed;
  z-index: 60;
  min-width: 200px;
  background: var(--bg);
  border: var(--rule-w) solid var(--rule);
  border-radius: 6px;
  padding: 3px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.14);
}
.slash-item {
  display: flex;
  width: 100%;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.2rem;
  background: none;
  border: none;
  text-align: left;
  padding: 0.45rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
}
.slash-item .slash-label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
}
.slash-item .slash-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-soft);
}
.slash-item:hover,
.slash-item[aria-selected="true"] {
  background: var(--bg-soft);
}

/* ---------- toast ---------- */

.toast {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--bg);
  padding: 0.6rem 1rem;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  z-index: 100;
  animation: toast-in 200ms ease-out;
}
@keyframes toast-in {
  from { opacity: 0; transform: translate(-50%, -8px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* ---------- docs page ---------- */

.docs {
  max-width: var(--measure);
  margin: 3rem auto;
  padding: 0 var(--pad) 6rem;
}
.docs h1 { font-weight: 600; letter-spacing: -0.01em; }

/* ---------- stats page ---------- */

.stats {
  max-width: var(--measure);
  margin: 5rem auto;
  padding: 0 var(--pad);
  text-align: center;
  font-family: var(--font-serif);
}
.stats .number {
  font-size: 5rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.03em;
  margin: 0;
  line-height: 1;
}
.stats .label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.5rem;
}

/* ---------- settings (on the stats page) ----------
 * Tidy left-aligned list: label on the left, small state + action on the
 * right, hairline dividers between. Rows that need a field (password / delete)
 * are native <details> that reveal a panel below — no JS. */
.settings {
  max-width: var(--measure);
  margin: 3rem auto 0;
  text-align: left;
}
.setting {
  border-bottom: var(--rule-w) solid var(--rule);
}
.setting:last-child { border-bottom: none; }
.row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  margin: 0;
}
summary.row { cursor: pointer; list-style: none; }
summary.row::-webkit-details-marker { display: none; }
.setting .k {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
}
.setting .v {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  white-space: nowrap;
}
.state {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
}
.state.on { color: var(--ink); }
/* Small inline text action ("enable" / "change" / "delete"). */
.setting-action {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 3px;
}
.setting-action:hover { color: var(--accent-ink); background: var(--accent); }
.setting-action.danger-link { color: var(--danger); text-decoration-color: var(--danger); }
.setting-action.danger-link:hover { background: var(--danger); color: var(--bg); }
/* Revealed panel under a row. */
.row-reveal { padding: 0.25rem 0 1.25rem; }
.row-note {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-soft);
  margin: 0 0 0.85rem;
  line-height: 1.4;
}
.pw-form { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.row-remove { margin-top: 0.8rem; }
.pw-input {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 0.4rem 0.7rem;
  background: var(--bg);
  color: var(--ink);
  border: var(--rule-w) solid var(--rule);
  border-radius: 6px;
  min-width: 0;
}
.pw-input:focus { outline: 2px solid var(--accent); }
.btn--danger {
  border-color: var(--danger);
  color: var(--danger);
  background: var(--bg);
}
.btn--danger:hover { background: var(--danger); color: var(--bg); border-color: var(--danger); }

/* ---------- pages list ---------- */
.pages {
  max-width: var(--measure);
  margin: 4rem auto;
  padding: 0 var(--pad);
}
.pages-heading {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.3rem;
}
.pages .label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.pages-list { list-style: none; margin: 2rem 0 0; padding: 0; }
.page-row {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.9rem 0;
  border-bottom: var(--rule-w) solid var(--rule);
}
.page-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.page-title:hover { text-decoration: underline; text-decoration-color: var(--accent); }
.page-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-soft);
  white-space: nowrap;
}
.page-edit {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-soft);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.page-edit:hover { color: var(--ink); }

/* ---------- password unlock screen ---------- */
.unlock {
  max-width: 28rem;
  margin: 7rem auto;
  padding: 0 var(--pad);
  text-align: center;
  font-family: var(--font-serif);
}
.unlock .lock-icon { font-size: 3rem; margin: 0; line-height: 1; }
.unlock-heading {
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 1rem 0 0.3rem;
}
.unlock .label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.unlock-form {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}
.unlock-input {
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 0.55rem 0.8rem;
  background: var(--bg);
  color: var(--ink);
  border: var(--rule-w) solid var(--rule);
  border-radius: 6px;
}
.unlock-input:focus { outline: 2px solid var(--accent); }
.unlock-error {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--danger);
  margin-top: 1rem;
}

/* ---------- connector consent / sign-in ---------- */
.consent {
  max-width: 34rem;
  margin: 3rem auto;
  padding: 0 1rem;
}
.consent-heading {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.6rem;
  line-height: 1.25;
  margin: 0.4rem 0 1rem;
}
.consent-heading strong { font-weight: 700; }
.consent-sub { margin: 0 0 0.4rem; color: var(--ink-soft); }
.consent-scopes { margin: 0 0 1.2rem 1.2rem; padding: 0; }
.consent-scopes li { margin: 0.3rem 0; }
.consent-note {
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0.6rem 0;
}
.consent-note code { font-family: var(--font-mono); font-size: 0.85em; }
.consent-form {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.6rem;
  flex-wrap: wrap;
}