@charset "UTF-8";
/* Bayle Reader — 5-pane (ToC + 2x2 reading grid) — derived from Reader-4Pane-Basic-2026.vs1 */

:root{
  --paper:#fffff8;
  --ink:#111827;
  --muted:#4b5563;
  --line:#e5e7eb;
  --accent:#1d4ed8;

  --tocW:280px;
  --colMain:1fr;
  --colSide:360px;
  --rowTop:1fr;
  --rowBottom:1fr;

  --radius:14px;
  --pad:12px;

  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  --serif: ui-serif, Georgia, "Times New Roman", Times, serif;

  /* Typography hierarchy (Bayle-ish) */
  --fs-entry: 18px;
  --fs-notes: 16px;
  --fs-refs: 13px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  overflow:hidden;
}

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

.app{
  height:100vh;
  display:grid;
  grid-template-columns: var(--tocW) var(--colMain) var(--colSide);
  grid-template-rows: var(--rowTop) var(--rowBottom);
  gap:10px;
  padding:10px;
  min-width:0;
  min-height:0;
}

#tocPane{ grid-column:1; grid-row:1 / span 2; }
#entryPane{ grid-column:2; grid-row:1; }
#entryFnPane{ grid-column:3; grid-row:1; }
#notesPane{ grid-column:2; grid-row:2; }
#notesFnPane{ grid-column:3; grid-row:2; }

/* Collapse ToC */
.app.toc-collapsed{
  grid-template-columns: 0 var(--colMain) var(--colSide);
}
.app.toc-collapsed #tocPane{ display:none; }

/* Responsive: stack side column under main */
@media (max-width: 1200px){
  body{ overflow:auto; }
  .app{
    height:auto;
    grid-template-columns: 1fr;
    grid-template-rows:auto;
  }
  #tocPane{ grid-column:1; grid-row:auto; }
  #entryPane, #entryFnPane, #notesPane, #notesFnPane{ grid-column:1; grid-row:auto; }
  .pane{ height:70vh; }
  .app.toc-collapsed #tocPane{ display:block; }
}

.pane{
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  min-width:0;
  min-height:0;
}

.header{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px var(--pad);
  border-bottom:1px solid var(--line);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 2;
}
.header h2{
  margin:0;
  font-size:13px;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--muted);
  font-weight:700;
}
.meta{
  margin-left:auto;
  color:var(--muted);
  font-size:13px;
  font-family:var(--mono);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  max-width:60%;
}
.body{
  flex:1 1 auto;
  overflow:auto;
  padding: var(--pad);
  min-height:0;
}

/* buttons */
.uiBtn{
  border:1px solid var(--line);
  background: var(--paper);
  border-radius:999px;
  padding:6px 10px;
  cursor:pointer;
  font-size:13px;
  color:var(--ink);
  white-space:nowrap;
}
.uiBtn:hover{ background: rgba(0,0,0,0.03); }

/* TOC */
.tocControls{
  display:flex;
  flex-direction:column;
  gap:8px;
  margin-bottom:10px;
}
.search{
  width:100%;
  padding:8px 10px;
  border-radius:10px;
  border:1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  outline:none;
  font-size:14px;
}
.tocList{ margin:0; padding:0; list-style:none; }
.tocBtn{
  width:100%;
  text-align:left;
  background:transparent;
  border:1px solid transparent;
  padding:8px 10px;
  border-radius:10px;
  cursor:pointer;
  font-size:14px;
  color:var(--ink);
}
.tocBtn:hover{ background: rgba(0,0,0,0.03); }
.tocBtn.active{
  border-color: rgba(29,78,216,0.35);
  background: rgba(29,78,216,0.07);
}

/* Reading typography */
.paper{
  font-family: var(--serif);
  font-size: var(--fs-notes);
  line-height: 1.55;
}

/* Pane-specific typography */
#entryContent .paper{ font-size: var(--fs-entry); }
#notesContent .paper{ font-size: var(--fs-notes); padding-left: 8px; padding-right: 8px; }

/* References panes: smaller + a touch of inset like Bayle's two-column notes */
#entryFnContent .refs,
#notesFnContent .refs{
  font-size: var(--fs-refs);
  padding-left: 8px;
  padding-right: 8px;
}
.paper h1, .paper h2, .paper h3, .paper h4{
  font-family: var(--sans);
  margin-top: 1.2em;
  line-height: 1.2;
}
.paper h1{ font-size: 22px; }
.paper h2{ font-size: 18px; }
.paper p{ margin: 0 0 0.9em; }
.paper sup.reference{ font-family: var(--sans); font-size: 0.85em; }
.paper .ws-pagenum{ display:none; } /* keep in DOM for provenance, hide by default */

/* Footnote/reference lists */
.refs{
  font-family: var(--serif);
  font-size: var(--fs-refs);
  line-height: 1.45;
}
.refs ol{ padding-left: 1.2em; }
.refs li{ margin: 0 0 0.6em; }

/* ToC grouping headers */
.tocGroup{
  margin: 12px 0 6px;
  padding: 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 800;
}

/* Active highlight */
.fn-active{
  outline: 2px solid rgba(0,0,0,0.22);
  background: rgba(255,255,0,0.18);
  border-radius: 6px;
  transition: background-color 1.2s ease, outline-color 1.2s ease;
}
.fn-active.fn-fade{
  background: transparent;
  outline-color: transparent;
}


/* Normalize in-content headings */
#entryContent .entry-heading,
#entryContent h1.entry-heading,
#entryContent h2.entry-heading{
  font-size: 1.55em;
  line-height: 1.25;
  margin: 0 0 0.65em 0;
  font-weight: 700;
}

#notesContent .notes-heading,
#notesContent h1.notes-heading,
#notesContent h2.notes-heading{
  font-size: 1.25em;
  line-height: 1.25;
  margin: 0 0 0.6em 0;
  font-weight: 700;
}

.entry-meta .pb-start{
  font-size: 0.82em;
  color: var(--muted);
}



/* Paragraph citation handles */
.paper p{ position: relative; }

.paper p:hover .para-cite{ opacity: 0.85; }
.paper p .para-cite:hover{ opacity: 1; }


/* Paragraph citation handle (shows a small "P" on hover) */
#entryContent p, #notesContent p{
  position: relative;
}
.para-cite{
  position: absolute;
  left: 0;
  top: 0.15em;
  transform: translateX(-1.45em);
  font-size: 0.85em;
  line-height: 1;
  opacity: 0;
  text-decoration: none;
  color: inherit;
  border: 1px solid rgba(0,0,0,0.18);
  padding: 0.05em 0.28em;
  border-radius: 0.35em;
  background: rgba(255,255,255,0.65);
  cursor: pointer;
}
#entryContent p:hover .para-cite,
#notesContent p:hover .para-cite{
  opacity: 1;
}
.para-cite:hover{
  background: rgba(255,255,255,0.95);
  border-color: rgba(0,0,0,0.35);
}

/* Copy toast */
#toast{
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  padding: 8px 12px;
  font-size: 0.9em;
  border: 1px solid rgba(0,0,0,0.22);
  border-radius: 10px;
  background: rgba(255,255,255,0.92);
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  z-index: 9999;
}
#toast.show{ opacity: 1; }