:root {
    --mc-history:    oklch(0.52 0.10 70);
    --mc-referee:    oklch(0.52 0.13 28);
    --mc-literature: oklch(0.52 0.10 250);
    --mc-explainer:  oklch(0.52 0.10 150);
    --mc-methods:    oklch(0.52 0.10 310);
    --serif: 'EB Garamond', Georgia, serif;
    --mono: 'IBM Plex Mono', ui-monospace, monospace;
  }
  * { box-sizing: border-box; margin: 0; }
  html, body { height: 100%; }
  body { font-family: var(--serif); }

  .ap-root {
    min-height: 100vh;
    background: color-mix(in oklab, var(--paper) 86%, var(--ink) 14%);
    color: var(--ink);
  }
  .ap-ink60 { color: color-mix(in oklab, var(--ink) 60%, var(--paper)); }

  button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; padding: 0; }
  .ap-textbtn {
    font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em;
    color: color-mix(in oklab, var(--ink) 72%, var(--paper));
    border-bottom: 1px solid color-mix(in oklab, var(--ink) 25%, var(--paper));
    padding-bottom: 1px; white-space: nowrap; transition: color .15s, border-color .15s;
  }
  .ap-textbtn:hover { color: var(--rubric); border-color: var(--rubric); }

  /* ---------- wordmark ---------- */
  .ap-wordmark {
    font-family: var(--serif); font-weight: 500; letter-spacing: 0.32em;
    text-transform: uppercase; font-size: 14px; color: var(--rubric);
    text-align: center; padding: 52px 0 8px;
  }
  .ap-wordmark::after {
    content: ''; display: block; width: 34px; height: 1px;
    background: color-mix(in oklab, var(--rubric) 55%, var(--paper));
    margin: 14px auto 0;
  }

  /* ---------- upload screen ---------- */
  .ap-upload { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 26px; padding: 40px 24px; }
  .ap-upload .ap-wordmark { padding-top: 0; }
  .ap-folio-drop {
    width: min(620px, 92vw); padding: 58px 48px 44px; text-align: center; cursor: pointer;
    background: var(--paper);
    border: 1px solid color-mix(in oklab, var(--ink) 18%, var(--paper));
    outline: 1px dashed color-mix(in oklab, var(--ink) 30%, var(--paper));
    outline-offset: -10px;
    box-shadow: 0 1px 2px rgba(40,30,10,0.08), 0 12px 36px -18px rgba(40,30,10,0.35);
    transition: outline-color .15s, transform .15s;
  }
  .ap-folio-drop:hover, .ap-folio-drop.is-dragging { outline-color: var(--rubric); }
  .ap-folio-drop.is-dragging { transform: scale(1.01); }
  .ap-folio-pilcrow { font-size: 58px; line-height: 1; color: var(--rubric); margin-bottom: 14px; }
  .ap-folio-title { font-size: 26px; font-weight: 500; letter-spacing: 0.01em; }
  .ap-folio-sub { font-size: 16px; font-style: italic; margin-top: 6px; color: color-mix(in oklab, var(--ink) 70%, var(--paper)); }
  .ap-folio-meta { font-family: var(--mono); font-size: 10.5px; margin-top: 26px; color: color-mix(in oklab, var(--ink) 52%, var(--paper)); }
  .ap-splash-about { width: min(620px, 92vw); }
  .ap-splash-prose { font-family: var(--serif); font-style: italic; font-size: 14px; line-height: 1.6; color: color-mix(in oklab, var(--ink) 68%, var(--paper)); }
  .ap-splash-howto { font-family: var(--mono); font-size: 10.5px; margin-top: 8px; color: color-mix(in oklab, var(--ink) 52%, var(--paper)); }

  .ap-upload-alt { display: flex; align-items: center; gap: 12px; }
  .ap-alt-sep { color: color-mix(in oklab, var(--ink) 40%, var(--paper)); }
  .ap-upload-foot { font-family: var(--mono); font-size: 10px; color: color-mix(in oklab, var(--ink) 45%, var(--paper)); }

  /* ---------- pipeline screen ---------- */
  .ap-pipeline { min-height: 100vh; display: flex; flex-direction: column; align-items: center; padding-bottom: 80px; }
  .ap-pipe-card {
    width: min(600px, 92vw); margin-top: 30px; background: var(--paper);
    border: 1px solid color-mix(in oklab, var(--ink) 18%, var(--paper));
    box-shadow: 0 1px 2px rgba(40,30,10,0.08), 0 12px 36px -18px rgba(40,30,10,0.35);
    padding: 30px 38px 24px;
  }
  .ap-pipe-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; border-bottom: 1px solid color-mix(in oklab, var(--ink) 16%, var(--paper)); padding-bottom: 14px; }
  .ap-pipe-file { font-style: italic; font-size: 17px; }
  .ap-pipe-status { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--rubric); }
  .ap-stages { list-style: none; padding: 0; margin: 6px 0 0; }
  .ap-stage { padding: 11px 0 9px; border-bottom: 1px solid color-mix(in oklab, var(--ink) 8%, var(--paper)); }
  .ap-stage:last-child { border-bottom: none; }
  .ap-stage-row { display: flex; align-items: baseline; gap: 10px; }
  .ap-stage-num { font-family: var(--mono); font-size: 11px; color: var(--rubric); width: 26px; text-align: right; flex: none; }
  .ap-stage-name { font-size: 17px; font-weight: 500; letter-spacing: 0.01em; }
  .ap-stage-tool { font-family: var(--mono); font-size: 10.5px; color: color-mix(in oklab, var(--ink) 50%, var(--paper)); margin-left: auto; }
  .ap-stage-mark { font-family: var(--mono); font-size: 12px; color: var(--rubric); width: 16px; text-align: center; flex: none; }
  .ap-stage.is-pending { opacity: 0.38; }
  .ap-stage.is-done { opacity: 1; }
  .ap-stage.is-active .ap-stage-name { color: var(--rubric); }
  .ap-stage.is-failed .ap-stage-name { color: var(--rubric); }
  .ap-stage-logs { padding: 6px 0 2px 36px; display: flex; flex-direction: column; gap: 3px; }
  .ap-log-line { font-family: var(--mono); font-size: 11px; color: color-mix(in oklab, var(--ink) 58%, var(--paper)); animation: ap-fade .3s ease; }
  .ap-pipe-foot { text-align: right; padding-top: 16px; }
  @keyframes ap-fade { from { opacity: 0; transform: translateY(2px); } to { opacity: 1; transform: none; } }

  /* ---------- toolbar ---------- */
  .ap-toolbar {
    position: sticky; top: 0; z-index: 20;
    display: flex; align-items: baseline; gap: 18px;
    padding: 13px 28px;
    background: color-mix(in srgb, var(--paper) 88%, transparent);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid color-mix(in oklab, var(--ink) 14%, var(--paper));
  }
  .ap-toolbar-mark { font-weight: 500; letter-spacing: 0.28em; text-transform: uppercase; font-size: 12px; color: var(--rubric); }
  .ap-toolbar-file { font-family: var(--mono); font-size: 10.5px; color: color-mix(in oklab, var(--ink) 50%, var(--paper)); }
  .ap-toolbar-spacer { flex: 1; }

  /* ---------- reader folio ---------- */
  .ap-folio {
    max-width: 1180px; margin: 36px auto 70px; padding: 64px 72px 48px;
    background: var(--paper);
    border: 1px solid color-mix(in oklab, var(--ink) 18%, var(--paper));
    box-shadow: 0 1px 2px rgba(40,30,10,0.08), 0 18px 50px -24px rgba(40,30,10,0.4);
  }
  .ap-paper-head { text-align: center; max-width: 720px; margin: 0 auto 8px; }
  .ap-paper-title { font-size: 31px; font-weight: 600; line-height: 1.22; text-wrap: balance; }
  .ap-paper-authors { font-style: italic; font-size: 16px; margin-top: 12px; color: color-mix(in oklab, var(--ink) 75%, var(--paper)); }
  .ap-paper-meta { font-family: var(--mono); font-size: 10.5px; margin-top: 10px; color: color-mix(in oklab, var(--ink) 50%, var(--paper)); }

  .ap-legend { display: flex; justify-content: center; flex-wrap: wrap; gap: 6px 22px; margin: 26px 0 14px; padding: 12px 0; border-top: 1px solid color-mix(in oklab, var(--ink) 14%, var(--paper)); border-bottom: 1px solid color-mix(in oklab, var(--ink) 14%, var(--paper)); }
  .ap-legend-item { display: flex; align-items: center; gap: 7px; font-size: 13px; font-variant: small-caps; letter-spacing: 0.06em; color: color-mix(in oklab, var(--ink) 70%, var(--paper)); transition: color .15s; }
  .ap-legend-item:hover { color: var(--mode-c); }
  .ap-legend-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--mode-c); }

  .ap-body { display: flex; gap: 0; margin-top: 26px; }
  .ap-text { flex: 0 1 660px; min-width: 0; padding-right: 48px; }
  .ap-margin { flex: 1 0 300px; max-width: 330px; position: relative; border-left: 1px solid color-mix(in oklab, var(--ink) 14%, var(--paper)); padding-left: 0; }
  .ap-body.notes-left { flex-direction: row-reverse; }
  .ap-body.notes-left .ap-text { padding-right: 0; padding-left: 48px; }
  .ap-body.notes-left .ap-margin { border-left: none; border-right: 1px solid color-mix(in oklab, var(--ink) 14%, var(--paper)); }

  .ap-section {
    font-size: 13px; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase;
    margin: 2.4em 0 1.1em; color: color-mix(in oklab, var(--ink) 80%, var(--paper));
  }
  .ap-section:first-child { margin-top: 0.4em; }
  .ap-section-sub {
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin: 1.4em 0 0.6em;
    color: color-mix(in oklab, var(--ink) 70%, var(--paper));
  }
  /* ---------- in-text citations ---------- */
  .ap-intext-cite {
    color: color-mix(in oklab, var(--ink) 45%, var(--paper));
    cursor: pointer;
    text-decoration: underline dotted color-mix(in oklab, var(--ink) 28%, var(--paper));
    font: inherit;
    transition: color 0.1s, text-decoration-color 0.1s;
  }
  .ap-intext-cite:hover {
    color: color-mix(in oklab, var(--ink) 65%, var(--paper));
    text-decoration-color: color-mix(in oklab, var(--ink) 45%, var(--paper));
  }
  .ap-intext-cite.is-matched {
    text-decoration-color: color-mix(in oklab, var(--rubric) 40%, transparent);
  }
  .ap-intext-cite.is-matched:hover {
    color: var(--rubric);
    text-decoration-color: var(--rubric);
  }

  /* ---------- slim ref popover ---------- */
  .ap-pop-slim { max-width: 340px; }
  .ap-pop-ref-entry { margin-bottom: 10px; }
  .ap-pop-ref-raw {
    font-size: 12px; line-height: 1.5;
    color: color-mix(in oklab, var(--ink) 80%, var(--paper));
  }

  .ap-para {
    position: relative;
    font-size: var(--body-size); line-height: 1.58; margin: 0 0 1.15em;
    transition: background .2s;
  }
  .is-justified .ap-para { text-align: justify; hyphens: auto; }
  .ap-para.is-hovered { background: color-mix(in oklab, var(--mode-c) 7%, transparent); }
  .ap-pilcrow { position: absolute; left: -1.5em; top: 0.05em; color: var(--rubric); opacity: 0.55; font-size: 0.85em; }
  .has-dropcaps .ap-para.is-first::first-letter {
    float: left; font-size: 3.05em; line-height: 0.82; padding: 0.06em 0.12em 0 0;
    font-weight: 500; color: var(--rubric);
  }

  /* ---------- margin notes ---------- */
  .ap-note {
    position: absolute; left: 28px; right: 0; width: auto;
    font-size: 13.5px; line-height: 1.5;
    padding: 2px 0 0; transition: background .2s;
  }
  .ap-body.notes-left .ap-note { left: 0; right: 28px; }
  .ap-note.is-hovered { background: color-mix(in oklab, var(--mode-c) 7%, transparent); }
  .ap-note-head { display: flex; align-items: baseline; gap: 8px; border-top: 1.5px solid var(--mode-c); padding-top: 6px; margin-bottom: 5px; }
  .ap-note-mode { font-size: 12.5px; font-variant: small-caps; letter-spacing: 0.08em; font-weight: 500; color: var(--mode-c); }
  .ap-note-gen { font-size: 11px; color: var(--mode-c); }
  .ap-note-regen { margin-left: auto; font-size: 13px; color: color-mix(in oklab, var(--ink) 40%, var(--paper)); opacity: 0; transition: opacity .15s, color .15s; }
  .ap-note:hover .ap-note-regen { opacity: 1; }
  .ap-note-regen:hover { color: var(--rubric); }
  .ap-note-text { color: color-mix(in oklab, var(--ink) 88%, var(--paper)); }
  .ap-note-loading, .ap-note-error { font-style: italic; color: color-mix(in oklab, var(--ink) 55%, var(--paper)); }
  .ap-ellipsis::after { content: ''; animation: ap-dots 1.2s steps(4) infinite; }
  @keyframes ap-dots { 0% { content: ''; } 25% { content: '.'; } 50% { content: '..'; } 75% { content: '...'; } }
  .ap-note-cites { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 8px; }
  .ap-cite {
    font-family: var(--mono); font-size: 10px; padding: 2px 7px 2px 5px;
    border: 1px solid color-mix(in oklab, var(--ink) 22%, var(--paper)); border-radius: 2px;
    color: color-mix(in oklab, var(--ink) 70%, var(--paper));
    display: inline-flex; align-items: baseline; gap: 5px;
    transition: border-color .15s, color .15s;
  }
  .ap-cite:hover { border-color: var(--mode-c); color: var(--mode-c); }
  .ap-cite-n { color: var(--mode-c); }
  .ap-note-modes { display: flex; gap: 5px; margin-top: 9px; }
  .ap-mode-dot {
    width: 19px; height: 19px; border-radius: 50%;
    font-family: var(--mono); font-size: 9px; line-height: 1;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid color-mix(in oklab, var(--ink) 25%, var(--paper));
    color: color-mix(in oklab, var(--ink) 50%, var(--paper));
    transition: all .15s;
  }
  .ap-mode-dot:hover { border-color: var(--mode-c); color: var(--mode-c); }
  .ap-mode-dot.is-active { background: var(--mode-c); border-color: var(--mode-c); color: var(--paper); }

  .ap-folio-foot { margin-top: 56px; padding-top: 14px; border-top: 1px solid color-mix(in oklab, var(--ink) 14%, var(--paper)); font-family: var(--mono); font-size: 10px; color: color-mix(in oklab, var(--ink) 45%, var(--paper)); text-align: center; }

  /* ---------- citation popover ---------- */
  .ap-pop-backdrop { position: fixed; inset: 0; z-index: 40; }
  .ap-pop {
    position: fixed; z-index: 41; width: 360px; padding: 18px 20px 14px;
    background: var(--paper); color: var(--ink);
    border: 1px solid color-mix(in oklab, var(--ink) 30%, var(--paper));
    box-shadow: 0 16px 44px -16px rgba(40,30,10,0.5);
    transition: opacity .12s;
  }
  .ap-pop-rank { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--rubric); margin-bottom: 7px; }
  .ap-pop-title { font-size: 16.5px; font-weight: 600; line-height: 1.3; }
  .ap-pop-authors { font-size: 13px; font-style: italic; margin-top: 4px; color: color-mix(in oklab, var(--ink) 65%, var(--paper)); }
  .ap-pop-abstract { font-size: 13.5px; line-height: 1.5; margin-top: 9px; }
  .ap-pop-scores { margin-top: 11px; display: flex; flex-direction: column; gap: 4px; }
  .ap-score { display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 10px; color: color-mix(in oklab, var(--ink) 60%, var(--paper)); }
  .ap-score-label { width: 52px; }
  .ap-score-track { flex: 1; height: 3px; background: color-mix(in oklab, var(--ink) 12%, var(--paper)); }
  .ap-score-fill { display: block; height: 100%; background: var(--rubric); }
  .ap-score-val { width: 36px; text-align: right; }
  .ap-pop-links { display: flex; gap: 16px; margin-top: 12px; padding-top: 10px; border-top: 1px solid color-mix(in oklab, var(--ink) 12%, var(--paper)); }
  .ap-pop-links a { font-family: var(--mono); font-size: 11px; color: var(--rubric); text-decoration: none; }
  .ap-pop-links a:hover { text-decoration: underline; }
  .ap-pop-close { position: absolute; top: 8px; right: 12px; font-size: 18px; color: color-mix(in oklab, var(--ink) 45%, var(--paper)); }
  .ap-pop-close:hover { color: var(--rubric); }

  /* ---------- figure mention + figure popover ---------- */
  .ap-figref {
    font-family: var(--mono); font-size: inherit;
    text-decoration: underline dotted color-mix(in oklab, var(--rubric) 55%, transparent);
    color: inherit; cursor: pointer;
    transition: color .15s;
  }
  .ap-figref:hover { color: var(--rubric); }
  .ap-figure-popover { width: min(480px, 92vw); }

  /* ---------- annotator settings ---------- */
  .ap-settings {
    position: fixed; z-index: 41; top: 64px; right: 24px; width: 360px;
    background: var(--paper); color: var(--ink);
    border: 1px solid color-mix(in oklab, var(--ink) 30%, var(--paper));
    box-shadow: 0 16px 44px -16px rgba(40,30,10,0.5);
    padding: 20px 22px 14px;
  }
  .ap-settings-title { font-size: 19px; font-weight: 600; }
  .ap-settings-sub { font-style: italic; font-size: 13.5px; color: color-mix(in oklab, var(--ink) 60%, var(--paper)); margin-top: 2px; }
  .ap-field { margin-top: 16px; }
  .ap-field-label { display: block; font-size: 11px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: color-mix(in oklab, var(--ink) 70%, var(--paper)); margin-bottom: 6px; }
  .ap-provider-row { display: flex; flex-wrap: wrap; gap: 6px; }
  .ap-provider {
    font-family: var(--mono); font-size: 10.5px; padding: 4px 10px;
    border: 1px solid color-mix(in oklab, var(--ink) 25%, var(--paper)); border-radius: 2px;
    color: color-mix(in oklab, var(--ink) 65%, var(--paper));
    transition: all .15s;
  }
  .ap-provider:hover { border-color: var(--rubric); color: var(--rubric); }
  .ap-provider.is-active { background: var(--rubric); border-color: var(--rubric); color: var(--paper); }
  .ap-input {
    width: 100%; font-family: var(--mono); font-size: 12px; color: var(--ink);
    background: color-mix(in oklab, var(--ink) 4%, var(--paper));
    border: 1px solid color-mix(in oklab, var(--ink) 22%, var(--paper)); border-radius: 2px;
    padding: 7px 9px; outline: none;
  }
  .ap-input:focus { border-color: var(--rubric); }
  .ap-field-hint { font-family: var(--mono); font-size: 10px; line-height: 1.5; color: color-mix(in oklab, var(--ink) 50%, var(--paper)); margin-top: 7px; }
  .ap-settings-foot { display: flex; justify-content: flex-end; margin-top: 18px; padding-top: 12px; border-top: 1px solid color-mix(in oklab, var(--ink) 12%, var(--paper)); }

  /* ---------- toast ---------- */
  .ap-toast {
    position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 60;
    background: var(--ink); color: var(--paper);
    font-family: var(--mono); font-size: 11px; padding: 9px 18px;
    animation: ap-fade .25s ease;
  }

  @media (max-width: 900px) {
    .ap-folio { padding: 40px 26px; }
    .ap-body { flex-direction: column !important; }
    .ap-margin { max-width: none; border: none !important; min-height: auto !important; }
    .ap-note { position: static; margin-bottom: 18px; }
    .ap-pilcrow { position: static; margin-right: 0.35em; }
  }
/* production: popovers taller than the viewport scroll instead of clipping */
.ap-pop { max-height: calc(100vh - 32px); overflow-y: auto; }

/* ---------- user note write button ---------- */
.ap-note-write {
  margin-left: auto;
  font-size: 13px;
  color: color-mix(in oklab, var(--ink) 35%, var(--paper));
  opacity: 0;
  transition: opacity 0.15s, color 0.1s;
}
.ap-note:hover .ap-note-write, .ap-note-write.is-active {
  opacity: 1;
}
.ap-note-write:hover, .ap-note-write.is-active {
  color: color-mix(in oklab, var(--rubric) 80%, var(--paper));
}

/* ---------- user note card (inside the aside) ---------- */
.ap-user-note {
  margin-top: 8px;
  background: color-mix(in oklab, var(--rubric) 6%, var(--paper));
  border-left: 2px solid color-mix(in oklab, var(--rubric) 35%, var(--paper));
  border-radius: 2px;
  padding: 6px 8px;
  display: flex;
  gap: 6px;
  align-items: flex-start;
}
.ap-user-note-mark { font-size: 11px; color: var(--rubric); flex-shrink: 0; padding-top: 2px; }
.ap-user-note-text {
  font-family: var(--serif); font-size: 12px; line-height: 1.5;
  color: var(--ink);
  background: transparent; border: none; outline: none;
  width: 100%; resize: none; min-height: 2em; overflow: hidden;
}

/* ---------- notebook drawer ---------- */
.ap-notebook-backdrop {
  display: none; position: fixed; inset: 0; z-index: 299;
}
.ap-notebook-backdrop.is-open { display: block; }
.ap-notebook {
  position: fixed; top: 0; right: -360px; width: 340px; height: 100vh;
  background: var(--paper);
  border-left: 1px solid color-mix(in oklab, var(--ink) 15%, var(--paper));
  box-shadow: -4px 0 20px rgba(40,30,10,0.12);
  z-index: 300; display: flex; flex-direction: column;
  transition: right 0.22s ease;
  overflow: hidden;
}
.ap-notebook.is-open { right: 0; }
.ap-notebook-head {
  display: flex; align-items: center; padding: 14px 16px;
  border-bottom: 1px solid color-mix(in oklab, var(--ink) 12%, var(--paper));
  gap: 8px;
}
.ap-notebook-title { font-weight: 500; font-size: 13px; letter-spacing: 0.04em; flex: 1; }
.ap-notebook-export { font-family: var(--mono); font-size: 10px; }
.ap-notebook-close { font-size: 18px; color: color-mix(in oklab, var(--ink) 50%, var(--paper)); }
.ap-notebook-paper-note { padding: 14px 16px; border-bottom: 1px solid color-mix(in oklab, var(--ink) 10%, var(--paper)); }
.ap-notebook-label { font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 6px; color: color-mix(in oklab, var(--ink) 55%, var(--paper)); }
.ap-notebook-paper-text { width: 100%; font-family: var(--serif); font-size: 13px; background: transparent; border: none; outline: none; resize: none; color: var(--ink); line-height: 1.5; }
.ap-notebook-entries { flex: 1; overflow-y: auto; padding: 10px 0; }
.ap-notebook-empty { padding: 16px; font-size: 13px; font-style: italic; color: color-mix(in oklab, var(--ink) 50%, var(--paper)); }
.ap-notebook-entry { padding: 10px 16px; cursor: pointer; border-bottom: 1px solid color-mix(in oklab, var(--ink) 8%, var(--paper)); }
.ap-notebook-entry:hover { background: color-mix(in oklab, var(--ink) 4%, var(--paper)); }
.ap-notebook-entry-section { font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--rubric); margin-bottom: 3px; }
.ap-notebook-entry-snippet { font-size: 11px; font-style: italic; color: color-mix(in oklab, var(--ink) 55%, var(--paper)); margin-bottom: 4px; }
.ap-notebook-entry-note { font-size: 12.5px; line-height: 1.5; }

/* ---------- display equations ---------- */
.ap-equation {
  display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: center; margin: 1.2em 0;
}
.ap-equation-img {
  grid-column: 2; max-width: 100%; max-height: 120px; display: block;
}
.ap-equation-tag {
  grid-column: 3; text-align: right; padding-right: 4px;
  font-family: var(--serif); font-size: 13px; font-style: italic;
  color: color-mix(in oklab, var(--ink) 60%, var(--paper));
  white-space: nowrap;
}