/* Noteshack — styles
   Colors are tokens on :root; dark theme redefines them. "--paper*" tokens
   are the document page itself; everything else is the app around it. */

:root {
  --bg: #eef0f3;
  --surface: #ffffff;
  --surface-2: #f6f7f9;
  --ink: #1f2328;
  --ink-2: #4b5563;
  --ink-3: #6b7280;
  --line: #e3e6ea;
  --line-2: #cfd4da;
  --accent: #2563eb;
  --accent-ink: #ffffff;
  --accent-soft: #e6eefc;
  --danger: #dc2626;
  --ok: #15803d;
  --warn: #b45309;
  --hover: rgba(15, 23, 42, 0.06);
  --press: rgba(15, 23, 42, 0.1);
  --paper: #ffffff;
  --paper-ink: #1f2328;
  --paper-muted: #f3f4f6;
  --paper-line: #c9ced6;
  --link: #1155cc;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.08);
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-pop: 0 4px 12px rgba(15, 23, 42, 0.12), 0 18px 48px rgba(15, 23, 42, 0.14);
  --radius: 8px;
  --ui: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --sidebar-w: 268px;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #121417;
  --surface: #1a1d21;
  --surface-2: #202328;
  --ink: #e6e8eb;
  --ink-2: #b6bcc4;
  --ink-3: #8e959e;
  --line: #2b2f35;
  --line-2: #3b4048;
  --accent: #6d9bff;
  --accent-ink: #0b1020;
  --accent-soft: #1d2a45;
  --danger: #f87171;
  --ok: #4ade80;
  --warn: #fbbf24;
  --hover: rgba(255, 255, 255, 0.06);
  --press: rgba(255, 255, 255, 0.1);
  --paper: #1d2025;
  --paper-ink: #e3e5e8;
  --paper-muted: #272b31;
  --paper-line: #3d434b;
  --link: #8ab4ff;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.4), 0 10px 30px rgba(0, 0, 0, 0.3);
  --shadow-pop: 0 4px 12px rgba(0, 0, 0, 0.4), 0 18px 48px rgba(0, 0, 0, 0.45);
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root[data-theme="system"] {
    --bg: #121417;
    --surface: #1a1d21;
    --surface-2: #202328;
    --ink: #e6e8eb;
    --ink-2: #b6bcc4;
    --ink-3: #8e959e;
    --line: #2b2f35;
    --line-2: #3b4048;
    --accent: #6d9bff;
    --accent-ink: #0b1020;
    --accent-soft: #1d2a45;
    --danger: #f87171;
    --ok: #4ade80;
    --warn: #fbbf24;
    --hover: rgba(255, 255, 255, 0.06);
    --press: rgba(255, 255, 255, 0.1);
    --paper: #1d2025;
    --paper-ink: #e3e5e8;
    --paper-muted: #272b31;
    --paper-line: #3d434b;
    --link: #8ab4ff;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4), 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-pop: 0 4px 12px rgba(0, 0, 0, 0.4), 0 18px 48px rgba(0, 0, 0, 0.45);
    color-scheme: dark;
  }
}

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

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.4 var(--ui);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
kbd { font: 11px var(--ui); color: var(--ink-3); }
[hidden] { display: none !important; }
svg { display: block; flex: none; }

/* ============================================================ layout */

.app {
  display: flex;
  height: 100vh;
  height: 100dvh;
}

.main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* ============================================================ sidebar */

.sidebar {
  width: var(--sidebar-w);
  flex: none;
  display: flex;
  flex-direction: column;
  background: var(--surface-2);
  border-right: 1px solid var(--line);
  margin-left: calc(var(--sidebar-w) * -1);
  transition: margin-left 0.2s ease;
}
body.sidebar-open .sidebar { margin-left: 0; }
body:not(.ready) .sidebar { transition: none; }

.sb-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 12px 8px 16px;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 650; font-size: 15px; }

.sb-search { position: relative; padding: 4px 12px 8px; }
.sb-search-icon { position: absolute; left: 22px; top: 50%; transform: translateY(-62%); color: var(--ink-3); }
.sb-search-icon svg { width: 15px; height: 15px; }
.sb-search input {
  width: 100%;
  padding: 7px 10px 7px 32px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
  outline: none;
}
.sb-search input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.doc-list {
  list-style: none;
  margin: 0;
  padding: 0 8px 8px;
  overflow-y: auto;
  flex: 1;
}
.doc-item { position: relative; border-radius: 7px; }
.doc-item:hover { background: var(--hover); }
.doc-item.active { background: var(--accent-soft); }
.doc-open {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
  text-align: left;
  border: 0;
  background: none;
  padding: 8px 36px 8px 10px;
  border-radius: 7px;
}
.doc-name { font-weight: 550; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.doc-item.active .doc-name { color: var(--accent); }
.doc-meta { font-size: 12px; color: var(--ink-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.doc-del {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0;
}
.doc-item:hover .doc-del, .doc-del:focus-visible { opacity: 1; }
.doc-empty { padding: 16px 10px; color: var(--ink-3); }

.sb-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 16px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--ink-3);
}
.sb-foot.warn { color: var(--warn); }

.scrim { display: none; }

/* ============================================================ top bar */

/* Grid so the menu bar gets its own full-width row under the title and the
   corner buttons, and can wrap rather than run off a narrow window. */
.topbar {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas: "side title right" ". menu menu";
  align-items: center;
  column-gap: 8px;
  padding: 8px 12px 2px;
  background: var(--surface);
}
.topbar > .icon-btn { grid-area: side; }
.title-block { display: contents; }
.doc-title { grid-area: title; }
.menubar { grid-area: menu; }
.top-right { grid-area: right; }

.doc-title {
  display: block;
  width: min(100%, 520px);
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  padding: 3px 7px;
  font-size: 17px;
  font-weight: 550;
  outline: none;
  text-overflow: ellipsis;
}
.doc-title:hover { border-color: var(--line); }
.doc-title:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.top-right { display: flex; align-items: center; gap: 4px; }

.save-status {
  font-size: 12px;
  color: var(--ink-3);
  padding: 0 8px;
  white-space: nowrap;
}
.save-status[data-kind="ok"]::before { content: "✓ "; color: var(--ok); }
.save-status[data-kind="warn"] { color: var(--warn); }
.save-status[data-kind="error"] { color: var(--danger); font-weight: 600; }

/* ============================================================ menus */

.menubar { display: flex; flex-wrap: wrap; min-width: 0; margin-top: 1px; }
.menu { position: relative; }
.menu-btn {
  border: 0;
  background: none;
  padding: 3px 8px;
  border-radius: 5px;
  font-size: 13.5px;
  color: var(--ink-2);
}
.menu-btn:hover, .menu.open .menu-btn { background: var(--hover); color: var(--ink); }

.menu-pop {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 60;
  min-width: 250px;
  padding: 6px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow-pop);
  max-height: calc(100vh - 110px);
  overflow-y: auto;
}
.menu.open .menu-pop { display: block; }
.menu-pop > button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  border: 0;
  background: none;
  text-align: left;
  padding: 6px 10px 6px 28px;
  border-radius: 6px;
  position: relative;
  white-space: nowrap;
}
.menu-pop > button:hover, .menu-pop > button:focus-visible { background: var(--hover); outline: none; }
.menu-pop > button.checked::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 50%;
  width: 10px;
  height: 6px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: translateY(-70%) rotate(-45deg);
}
.menu-pop > button.danger { color: var(--danger); }
.menu-sep { height: 1px; background: var(--line); margin: 5px 4px; }
.menu-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-3); padding: 6px 10px 2px 28px; }
.menu-note { font-size: 12px; color: var(--ink-3); padding: 4px 10px 4px 28px; }

/* ============================================================ buttons */

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 7px;
  background: none;
  color: var(--ink-2);
  flex: none;
}
.icon-btn:hover { background: var(--hover); color: var(--ink); }
.icon-btn.sm { width: 26px; height: 26px; }
.icon-btn.sm svg { width: 15px; height: 15px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line-2);
  background: var(--surface);
  border-radius: 7px;
  padding: 7px 14px;
  font-weight: 550;
}
.btn:hover { background: var(--surface-2); }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn-sm { padding: 4px 10px; font-size: 13px; }
.btn-sm svg { width: 15px; height: 15px; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent); filter: brightness(1.08); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger); filter: brightness(1.08); }
.link-btn { border: 0; background: none; color: var(--accent); padding: 2px 4px; font-size: 12px; font-weight: 550; }
.link-btn:hover { text-decoration: underline; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

/* ============================================================ toolbar */

.toolbar {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 4px 10px 8px;
  padding: 4px 6px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 14px;
  flex-wrap: wrap;
  row-gap: 2px;
  flex: none;
}
.topbar { position: relative; z-index: 10; }
.toolbar { position: relative; z-index: 5; }

.tb {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 6px;
  background: none;
  color: var(--ink-2);
  flex: none;
}
.tb:hover { background: var(--hover); color: var(--ink); }
.tb.on { background: var(--accent-soft); color: var(--accent); }
.tb-sep { width: 1px; height: 20px; background: var(--line-2); margin: 0 5px; flex: none; }

.tb-color { flex-direction: column; }
.tb-color svg { width: 16px; height: 16px; margin-top: -2px; }
.color-bar { position: absolute; left: 7px; right: 7px; bottom: 4px; height: 3px; border-radius: 2px; }

.tb-select {
  height: 30px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  padding: 0 6px;
  font-size: 13px;
  color: var(--ink);
  outline: none;
  flex: none;
}
.tb-select:hover { background: var(--hover); }
.tb-select:focus-visible { border-color: var(--accent); }
.tb-select option { background: var(--surface); color: var(--ink); }
.tb-block { width: 116px; }
.tb-font { width: 130px; }
.tb-size { width: 58px; }

body > .app .main { background: var(--surface); }

/* ============================================================ writing area */

.stage {
  position: relative;
  flex: 1;
  min-height: 0;
  background: var(--bg);
  border-top: 1px solid var(--line);
}
body.view-full .stage { background: var(--paper); }

.scroller {
  position: absolute;
  inset: 0;
  overflow: auto;
  scroll-padding: 80px;
}

.page {
  --doc-font: var(--ui);
  --doc-size: 12pt;
  --doc-lh: 1.5;
  --paper-w: 8.5in;
  --paper-h: 11in;
  --paper-pad: 1in;
  margin: 28px auto 80px;
  width: var(--paper-w);
  max-width: calc(100% - 32px);
  background: var(--paper);
  border-radius: 3px;
  box-shadow: var(--shadow);
}
body.view-full .page {
  width: auto;
  max-width: 880px;
  margin: 0 auto;
  background: transparent;
  box-shadow: none;
}

.editor {
  position: relative;
  min-height: var(--paper-h);
  padding: var(--paper-pad);
  outline: none;
  color: var(--paper-ink);
  font-family: var(--doc-font);
  font-size: var(--doc-size);
  line-height: var(--doc-lh);
  white-space: pre-wrap;
  overflow-wrap: break-word;
  tab-size: 4;
  caret-color: var(--accent);
}
body.view-full .editor { min-height: calc(100vh - 160px); padding: 40px 48px 120px; }

.editor.is-empty::before {
  content: attr(data-placeholder);
  position: absolute;
  color: var(--ink-3);
  pointer-events: none;
}

/* ----- document content ----- */

.editor p { margin: 0; }
.editor h1, .editor h2, .editor h3, .editor h4, .editor h5, .editor h6 { line-height: 1.25; margin: 0.9em 0 0.35em; font-weight: 700; }
.editor > :first-child { margin-top: 0; }
.editor h1 { font-size: 2em; }
.editor h2 { font-size: 1.5em; }
.editor h3 { font-size: 1.25em; }
.editor h4 { font-size: 1.1em; }
.editor h5, .editor h6 { font-size: 1em; }
.editor a { color: var(--link); text-decoration: underline; text-underline-offset: 2px; }
.editor ul, .editor ol { margin: 0.25em 0; padding-left: 1.6em; }
.editor li { margin: 0.1em 0; }
.editor blockquote {
  margin: 0.6em 0;
  padding: 0.1em 0 0.1em 1em;
  border-left: 3px solid var(--paper-line);
  color: var(--ink-2);
}
.editor blockquote + blockquote { margin-top: -0.6em; }
.editor pre {
  margin: 0.6em 0;
  padding: 0.8em 1em;
  background: var(--paper-muted);
  border-radius: 6px;
  font-family: "Courier New", Courier, monospace;
  font-size: 0.9em;
  line-height: 1.45;
  white-space: pre-wrap;
}
.editor code {
  background: var(--paper-muted);
  border-radius: 4px;
  padding: 0.1em 0.3em;
  font-family: "Courier New", Courier, monospace;
  font-size: 0.92em;
}
.editor pre code { background: none; padding: 0; }
.editor hr { border: 0; border-top: 1px solid var(--paper-line); margin: 1em 0; }
.editor hr.page-break {
  border-top: 2px dashed var(--paper-line);
  margin: 1.6em 0;
  overflow: visible;
  position: relative;
}
.editor hr.page-break::after {
  content: "Page break";
  position: absolute;
  left: 50%;
  top: -0.8em;
  transform: translateX(-50%);
  padding: 0 0.6em;
  background: var(--paper);
  font: 11px var(--ui);
  color: var(--ink-3);
}
.editor table {
  border-collapse: collapse;
  width: 100%;
  margin: 0.6em 0;
  table-layout: fixed;
}
.editor th, .editor td {
  border: 1px solid var(--paper-line);
  padding: 0.35em 0.6em;
  vertical-align: top;
  text-align: left;
  min-width: 2em;
}
.editor th { background: var(--paper-muted); font-weight: 650; }
.editor img { max-width: 100%; height: auto; vertical-align: bottom; cursor: default; }
.editor img.img-center { display: block; margin: 0.5em auto; }
.editor img.img-left { float: left; margin: 0.2em 1em 0.5em 0; }
.editor img.img-right { float: right; margin: 0.2em 0 0.5em 1em; }
.editor::after { content: ""; display: block; clear: both; }

.editor ul.checklist { list-style: none; padding-left: 0.2em; }
.editor ul.checklist > li { position: relative; padding-left: 1.75em; }
.editor ul.checklist > li::before {
  content: "";
  position: absolute;
  left: 0.05em;
  top: calc(0.5lh - 0.55em);
  width: 1.05em;
  height: 1.05em;
  border: 1.5px solid var(--ink-3);
  border-radius: 4px;
  background: var(--paper);
  cursor: pointer;
}
.editor ul.checklist > li[data-checked="true"]::before {
  background: var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 80% no-repeat;
  border-color: var(--accent);
}
.editor ul.checklist > li[data-checked="true"] { color: var(--ink-3); text-decoration: line-through; }

/* Light highlight colors stay readable on the dark page. */
:root[data-theme="dark"] .editor [style*="background-color"] { color: #1f2328; }
@media (prefers-color-scheme: dark) {
  :root[data-theme="system"] .editor [style*="background-color"] { color: #1f2328; }
}

::highlight(np-find) { background-color: rgba(250, 204, 21, 0.45); }
::highlight(np-find-cur) { background-color: rgba(249, 115, 22, 0.75); color: #111; }
::highlight(np-speak) { background-color: rgba(96, 165, 250, 0.45); }

/* ----- selected image ----- */

.img-frame {
  position: absolute;
  border: 2px solid var(--accent);
  border-radius: 2px;
  pointer-events: none;
  z-index: 3;
}
.img-handle {
  position: absolute;
  right: -7px;
  bottom: -7px;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border: 2px solid var(--paper);
  border-radius: 3px;
  cursor: nwse-resize;
  pointer-events: auto;
  touch-action: none;
}

/* ----- floating bars in the writing area ----- */

.ctxbar {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 14px;
  width: max-content;
  max-width: calc(100% - 24px);
  margin: 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 2px;
  overflow-x: auto;
  padding: 4px 6px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow-pop);
  scrollbar-width: none;
}
.ctx-label { font-size: 12px; font-weight: 650; color: var(--ink-3); padding: 0 8px 0 6px; text-transform: uppercase; letter-spacing: 0.04em; flex: none; }
.ctx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 30px;
  border: 0;
  border-radius: 6px;
  background: none;
  color: var(--ink-2);
  flex: none;
}
.ctx-btn.text { padding: 0 9px; font-size: 13px; font-weight: 550; }
.ctx-btn:hover { background: var(--hover); color: var(--ink); }
.ctx-btn.on { background: var(--accent-soft); color: var(--accent); }
.ctx-url {
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--link);
  padding: 0 8px;
  font-size: 13px;
}

.find {
  position: absolute;
  top: 10px;
  right: 18px;
  z-index: 20;
  width: 360px;
  max-width: calc(100% - 24px);
  padding: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow-pop);
}
.find-row { display: flex; align-items: center; gap: 4px; }
.find-row + .find-row { margin-top: 6px; display: none; }
.find.with-replace .find-row + .find-row { display: flex; }
.find input[type="text"] {
  flex: 1;
  min-width: 0;
  padding: 6px 9px;
  border: 1px solid var(--line-2);
  border-radius: 7px;
  background: var(--surface);
  outline: none;
}
.find input[type="text"]:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.find-count { font-size: 12px; color: var(--ink-3); white-space: nowrap; min-width: 56px; text-align: right; padding-right: 4px; }
.find-count.bad { color: var(--danger); }
.find-opts { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--ink-2);
  padding: 3px 9px 3px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  user-select: none;
}
.chip:has(input:checked) { background: var(--accent-soft); border-color: transparent; color: var(--accent); }
.chip input { margin: 0; accent-color: var(--accent); }

.drop-hint {
  position: absolute;
  inset: 12px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--accent);
  border-radius: 14px;
  background: color-mix(in srgb, var(--accent-soft) 70%, transparent);
  color: var(--accent);
  font-weight: 650;
  font-size: 16px;
  pointer-events: none;
}

/* ============================================================ status bar */

.statusbar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  background: var(--surface);
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--ink-3);
  flex: none;
  white-space: nowrap;
}
.grow { flex: 1; }
.sb-item { padding: 3px 6px; }
.sb-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 0;
  background: none;
  color: inherit;
  padding: 3px 7px;
  border-radius: 5px;
  font-size: 12px;
}
.sb-btn:hover { background: var(--hover); color: var(--ink); }
.goal-meter { width: 64px; height: 5px; border-radius: 3px; background: var(--line-2); overflow: hidden; }
#goal-fill { display: block; height: 100%; width: 0; background: var(--accent); transition: width 0.25s ease; }
#sb-goal.met { color: var(--ok); font-weight: 600; }
#sb-goal.met #goal-fill { background: var(--ok); }
.speak-pill { color: var(--accent); font-weight: 600; }
.speak-pill svg { width: 13px; height: 13px; }

/* ============================================================ popovers */

.popover {
  position: fixed;
  z-index: 70;
  padding: 10px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow-pop);
}
.color-pop { width: 244px; }
.color-reset {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--surface-2);
  border-radius: 6px;
  padding: 5px;
  margin-bottom: 8px;
  font-size: 13px;
}
.color-reset:hover { background: var(--hover); }
.swatches { display: grid; grid-template-columns: repeat(10, 1fr); gap: 4px; }
.swatch {
  width: 20px;
  height: 20px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 50%;
  padding: 0;
}
.swatch:hover { transform: scale(1.18); }
.custom-color { display: flex; align-items: center; gap: 8px; margin-top: 10px; font-size: 13px; color: var(--ink-2); cursor: pointer; }
.custom-color input { width: 28px; height: 24px; padding: 0; border: 1px solid var(--line); border-radius: 5px; background: none; cursor: pointer; }

.grid-cells { display: grid; gap: 3px; }
.grid-cell {
  width: 18px;
  height: 18px;
  padding: 0;
  border: 1px solid var(--line-2);
  border-radius: 3px;
  background: var(--surface);
}
.grid-cell.on { background: var(--accent-soft); border-color: var(--accent); }
.grid-label { text-align: center; font-size: 12px; color: var(--ink-2); margin-top: 8px; }

.sym-pop { display: grid; grid-template-columns: repeat(10, 30px); gap: 2px; }
.sym { width: 30px; height: 30px; border: 0; border-radius: 5px; background: none; font-size: 16px; }
.sym:hover { background: var(--hover); }

/* ============================================================ dialogs */

.dialog {
  width: min(440px, calc(100vw - 24px));
  max-height: calc(100dvh - 32px);
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-pop);
}
.dialog.wide { width: min(780px, calc(100vw - 24px)); }
.print-pages { display: flex; flex-direction: column; align-items: center; gap: 6px; max-height: min(68vh, 900px); overflow: auto; padding: 16px; margin: -4px 0; background: var(--bg); border-radius: 6px; }
.print-page { display: block; max-width: 100%; height: auto; background: #fff; box-shadow: var(--shadow); }
.print-num { font-size: 12px; color: var(--ink-3); margin-bottom: 10px; }
.print-wait { color: var(--ink-2); padding: 40px 0; }
.print-frame { position: fixed; right: 0; bottom: 0; width: 0; height: 0; border: 0; visibility: hidden; }
.dialog::backdrop { background: rgba(10, 12, 16, 0.45); }
.dialog form { display: flex; flex-direction: column; max-height: calc(100dvh - 34px); }
.dlg-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 14px 6px 20px; }
.dlg-head h2 { margin: 0; font-size: 17px; font-weight: 650; }
.dlg-body { padding: 8px 20px 12px; overflow: auto; }
.dlg-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 20px 16px; flex-wrap: wrap; }
.dlg-text { margin: 0; color: var(--ink-2); line-height: 1.5; }
.muted { color: var(--ink-3); }

.stack { display: flex; flex-direction: column; gap: 14px; }
.row2 { display: grid; grid-template-columns: 1fr 120px; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field > span { font-size: 12.5px; font-weight: 600; color: var(--ink-2); }
.input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  background: var(--surface);
  outline: none;
}
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
input[type="range"] { accent-color: var(--accent); }

.radios { display: flex; flex-wrap: wrap; gap: 6px; }
.radio {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
}
.radio input { position: absolute; opacity: 0; pointer-events: none; }
.radio:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.radio:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 1px; }

.toggle-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 13.5px; cursor: pointer; }
.switch {
  appearance: none;
  width: 36px;
  height: 20px;
  border-radius: 999px;
  background: var(--line-2);
  position: relative;
  margin: 0;
  flex: none;
  cursor: pointer;
  transition: background 0.15s;
}
.switch::after {
  content: "";
  position: absolute;
  left: 2px;
  top: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s;
}
.switch:checked { background: var(--accent); }
.switch:checked::after { transform: translateX(16px); }

.stats { width: 100%; border-collapse: collapse; }
.stats th, .stats td { padding: 7px 4px; border-bottom: 1px solid var(--line); text-align: right; }
.stats th:first-child, .stats td:first-child { text-align: left; color: var(--ink-2); }
.stats th { font-size: 12px; color: var(--ink-3); font-weight: 600; }
.stats td { font-variant-numeric: tabular-nums; font-weight: 550; }

.hist { display: grid; grid-template-columns: 230px 1fr; gap: 14px; height: min(60vh, 520px); }
.hist-list { list-style: none; margin: 0; padding: 0; overflow-y: auto; border-right: 1px solid var(--line); padding-right: 8px; }
.hist-item { display: flex; flex-direction: column; gap: 2px; width: 100%; text-align: left; border: 0; background: none; padding: 8px 10px; border-radius: 7px; }
.hist-item span { font-size: 12px; color: var(--ink-3); }
.hist-item:hover { background: var(--hover); }
.hist-item.on { background: var(--accent-soft); }
.hist-item.on strong { color: var(--accent); }
.editor.hist-preview {
  min-height: 0;
  overflow-y: auto;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  font: 14px/1.5 var(--ui);
  caret-color: auto;
}

.keys-wrap { columns: 2 320px; column-gap: 28px; }
.keys-wrap h3 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-3); margin: 4px 0 6px; break-after: avoid; }
.keys { width: 100%; border-collapse: collapse; margin-bottom: 16px; break-inside: avoid; }
.keys td { padding: 5px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.keys td:last-child { text-align: right; white-space: nowrap; padding-left: 12px; }
.keys kbd, .keys code {
  display: inline-block;
  font: 11.5px var(--ui);
  color: var(--ink);
  padding: 1px 6px;
  margin: 1px 0 1px 3px;
  border: 1px solid var(--line-2);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--surface-2);
}
.keys code { font-family: "Courier New", monospace; }

.about p { margin: 0; line-height: 1.55; }
.facts { margin: 0; padding-left: 18px; line-height: 1.55; color: var(--ink-2); display: flex; flex-direction: column; gap: 6px; }

/* ============================================================ toast */

.toast {
  position: fixed;
  left: 50%;
  bottom: 44px;
  transform: translate(-50%, 8px);
  z-index: 90;
  max-width: min(520px, calc(100vw - 24px));
  padding: 10px 16px;
  border-radius: 10px;
  background: #1f2328;
  color: #fff;
  font-size: 13.5px;
  box-shadow: var(--shadow-pop);
  opacity: 0;
  transition: opacity 0.18s, transform 0.18s;
  text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ============================================================ focus mode */

.focus-exit { display: none; }
body.focus .sidebar, body.focus .topbar, body.focus .toolbar, body.focus .statusbar { display: none; }
body.focus .stage { border-top: 0; }
body.focus .focus-exit {
  display: block;
  position: fixed;
  top: 10px;
  right: 14px;
  z-index: 40;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-2);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 12px;
  opacity: 0.25;
  transition: opacity 0.2s;
}
body.focus .focus-exit:hover, body.focus .focus-exit:focus-visible { opacity: 1; }

/* ============================================================ small screens */

@media (max-width: 899px) {
  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 50;
    margin-left: 0;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
  }
  body.sidebar-open .sidebar { transform: none; box-shadow: var(--shadow-pop); }
  body.sidebar-open .scrim { display: block; position: fixed; inset: 0; z-index: 45; background: rgba(10, 12, 16, 0.35); }
  .doc-del { opacity: 1; }
}

@media (max-width: 640px) {
  .topbar { padding: 6px 8px 0; column-gap: 4px; grid-template-areas: "side title right" "menu menu menu"; }
  .doc-title { font-size: 16px; }
  .menu-btn { padding: 3px 6px; }
  .menu { position: static; }
  .menu-pop { left: 8px !important; right: 8px; top: auto; min-width: 0; margin-top: 4px; }
  .menu-pop kbd { display: none; }
  .save-status { display: none; }
  /* On a phone the toolbar is one row that scrolls sideways; a fade marks
     the side where more buttons are hidden. */
  .toolbar { margin: 4px 6px 6px; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .toolbar::-webkit-scrollbar { display: none; }
  .toolbar.more-right { -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 40px), transparent); mask-image: linear-gradient(to right, #000 calc(100% - 40px), transparent); }
  .toolbar.more-left { -webkit-mask-image: linear-gradient(to left, #000 calc(100% - 40px), transparent); mask-image: linear-gradient(to left, #000 calc(100% - 40px), transparent); }
  .toolbar.more-left.more-right { -webkit-mask-image: linear-gradient(to right, transparent, #000 40px, #000 calc(100% - 40px), transparent); mask-image: linear-gradient(to right, transparent, #000 40px, #000 calc(100% - 40px), transparent); }
  .page { margin: 0; max-width: none; width: 100%; border-radius: 0; box-shadow: none; }
  .stage { background: var(--paper); }
  .editor { padding: 22px 18px 120px; min-height: 100%; }
  .sb-hide-sm { display: none; }
  .find { top: 6px; right: 6px; left: 6px; width: auto; max-width: none; }
  .hist { grid-template-columns: 1fr; grid-template-rows: 160px 1fr; height: 70vh; }
  .hist-list { border-right: 0; border-bottom: 1px solid var(--line); padding: 0 0 8px; }
  .row2 { grid-template-columns: 1fr; }
}

@media (pointer: coarse) {
  .tb, .ctx-btn { width: 36px; height: 36px; min-width: 36px; }
  .ctx-btn.text { width: auto; }
}

/* ============================================================ print */

@media print {
  html, body { height: auto; overflow: visible; background: #fff; }
  .sidebar, .scrim, .topbar, .toolbar, .statusbar, .ctxbar, .find, .img-frame, .popover, .toast, .focus-exit, .drop-hint, dialog { display: none !important; }
  .app, .main, .stage, .scroller { display: block; position: static; height: auto; overflow: visible; background: #fff; border: 0; }
  .page { width: auto; max-width: none; margin: 0; box-shadow: none; background: #fff; zoom: 1 !important; }
  .editor { padding: 0; min-height: 0; color: #000; caret-color: transparent; }
  .editor a { color: #1155cc; }
  .editor hr.page-break { break-after: page; border: 0; margin: 0; height: 0; }
  .editor hr.page-break::after { display: none; }
  .editor.is-empty::before { display: none; }
  .editor th, .editor pre, .editor code { background: #f3f4f6; }
  .editor img, .editor tr, .editor pre { break-inside: avoid; }
  .editor h1, .editor h2, .editor h3 { break-after: avoid; }
  .editor ul.checklist > li::before { border-color: #666; background-color: #fff; }
  .editor ul.checklist > li[data-checked="true"]::before { background-color: #444; border-color: #444; }
  .editor blockquote { color: #333; }
  .editor [style*="background-color"] { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}

/* ============================================================ PDF editor */

body:not(.pdf-mode) [data-pdf-only], body.pdf-mode [data-doc-only] { display: none !important; }

.tb-label { width: auto; padding: 0 9px 0 7px; gap: 5px; font-size: 13px; font-weight: 550; }
.tb:disabled { opacity: 0.35; cursor: default; }
.tb:disabled:hover { background: none; }
.pdf-style { gap: 4px; top: 12px; bottom: auto; }
.pdf-style .btn { margin-left: 4px; }
.pdf-style .tb-select { border: 1px solid var(--line); }
.pdf-color { width: 30px; height: 26px; padding: 0; border: 1px solid var(--line-2); border-radius: 6px; background: none; cursor: pointer; }
.pdf-zoom { font-size: 12px; color: var(--ink-3); min-width: 42px; text-align: center; font-variant-numeric: tabular-nums; }
.pdf-download { margin-left: 6px; }
.pdf-pages-btn { display: none; }

.pdf-stage { display: flex; }
.pdf-thumbs {
  width: 168px;
  flex: none;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  background: var(--surface-2);
}
.pdf-thumb-list { list-style: none; margin: 0; padding: 12px 10px; overflow-y: auto; flex: 1; }
.pdf-thumb { position: relative; margin-bottom: 14px; }
.pdf-thumb-open {
  display: block;
  width: 100%;
  border: 2px solid transparent;
  border-radius: 6px;
  background: none;
  padding: 2px;
}
.pdf-thumb.on .pdf-thumb-open { border-color: var(--accent); }
.pdf-thumb-canvas { display: block; width: 112px; height: auto; margin: 0 auto; background: #fff; box-shadow: var(--shadow-sm); }
.pdf-thumb-num { display: block; text-align: center; font-size: 11.5px; color: var(--ink-3); margin-top: 3px; }
.pdf-thumb-actions {
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 1px;
  padding: 2px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transition: opacity 0.12s;
}
.pdf-thumb:hover .pdf-thumb-actions, .pdf-thumb:focus-within .pdf-thumb-actions { opacity: 1; }
.pdf-thumb-actions .icon-btn.sm { width: 24px; height: 24px; }
.pdf-thumb-actions .icon-btn:disabled { opacity: 0.3; }
.pdf-thumb-foot { display: flex; flex-direction: column; gap: 6px; padding: 10px; border-top: 1px solid var(--line); }
.pdf-thumb-foot .btn { justify-content: center; }

.pdf-scroller { position: relative; flex: 1; min-width: 0; overflow: auto; }
.pdf-pages { display: flex; flex-direction: column; align-items: center; gap: 18px; padding: 24px 24px 80px; min-width: min-content; }
.pdf-msg { padding: 60px 20px; color: var(--ink-3); text-align: center; max-width: 460px; line-height: 1.5; }
.pdf-page { position: relative; flex: none; background: #fff; box-shadow: var(--shadow); user-select: none; -webkit-user-select: none; }
.pdf-canvas { display: block; }
.pdf-layer { position: absolute; inset: 0; overflow: hidden; }

.pdf-stage[data-tool="text"] .pdf-page { cursor: text; }
.pdf-stage[data-tool="highlight"] .pdf-page, .pdf-stage[data-tool="whiteout"] .pdf-page,
.pdf-stage[data-tool="box"] .pdf-page, .pdf-stage[data-tool="draw"] .pdf-page { cursor: crosshair; touch-action: none; }

.pdf-item { position: absolute; box-sizing: border-box; }
.pdf-stage[data-tool="select"] .pdf-item { cursor: move; }
.pdf-cover { position: absolute; }
.pdf-hl { mix-blend-mode: multiply; opacity: 0.4; }
.pdf-white { box-shadow: 0 0 0 0.5px rgba(0, 0, 0, 0.06); }
.pdf-image img { width: 100%; height: 100%; display: block; pointer-events: none; }
.pdf-textbox {
  white-space: pre;
  line-height: 1.2;
  min-width: 4px;
  min-height: 1.2em;
  outline: none;
  padding: 0;
  margin: 0;
}
.pdf-textbox.editing { outline: 1.5px dashed var(--accent); outline-offset: 2px; cursor: text; user-select: text; -webkit-user-select: text; background: rgba(255, 255, 255, 0.35); }
.pdf-textbox.editing.pdf-own { background: transparent; }
.pdf-textbox.pdf-para { white-space: pre-wrap; overflow-wrap: break-word; }
.pdf-stage[data-tool="select"] .pdf-textbox:hover:not(.editing) { outline: 1px dashed rgba(37, 99, 235, 0.6); outline-offset: 2px; }
.pdf-item.sel { outline: 2px solid var(--accent); outline-offset: 1px; }
.pdf-textbox.sel:not(.editing) { outline: 2px solid var(--accent); outline-offset: 2px; }
/* text drawn from a scan: one line is several word boxes, so outline lightly */
.pdf-stage[data-tool="select"] .pdf-conv, .pdf-stage[data-tool="edit"] .pdf-conv { cursor: text; }
.pdf-stage[data-tool="select"] .pdf-conv:hover:not(.editing) { outline: none; }
.pdf-stage[data-tool="edit"] .pdf-conv:hover { background: rgba(37, 99, 235, 0.1); }
.pdf-conv-box { position: absolute; outline: 2px solid var(--accent); outline-offset: 2px; pointer-events: none; }
body.pdf-show-original .pdf-conv { visibility: hidden; }
/* words OCR was unsure of, and proofreading against the scan */
.pdf-stage[data-tool="edit"] .pdf-doubt { box-shadow: inset 0 -2px 0 rgba(217, 119, 6, 0.75); }
/* handwriting left as scanned: found when the page is read, erasable */
.pdf-hand { position: absolute; border-radius: 3px; }
.pdf-stage[data-tool="edit"] .pdf-hand, .pdf-stage[data-tool="select"] .pdf-hand { cursor: pointer; }
.pdf-stage[data-tool="edit"] .pdf-hand:hover, .pdf-stage[data-tool="select"] .pdf-hand:hover { outline: 1.5px dashed var(--ink-3); outline-offset: 1px; }
.pdf-stage[data-tool="edit"] .pdf-hand.erased { outline: 1px dashed rgba(107, 114, 128, 0.35); }
.pdf-hand.sel { outline: 2px solid var(--accent) !important; outline-offset: 1px; }
.pdf-erase-area { position: absolute; outline: 1.5px dashed var(--danger); background: rgba(220, 38, 38, 0.06); pointer-events: none; }
.pdf-hand-part { position: absolute; border-radius: 2px; cursor: pointer; outline: 1px dashed rgba(220, 38, 38, 0.7); }
.pdf-hand-part.keep { outline: 1.5px solid rgba(21, 128, 61, 0.85); background: rgba(21, 128, 61, 0.08); }
.pdf-style-hint { font-size: 12px; color: var(--ink-3); padding: 0 6px; white-space: nowrap; }
.pdf-proof { position: absolute; border-radius: 2px; cursor: pointer; }
.pdf-proof:hover { outline: 1.5px solid var(--accent); background: rgba(37, 99, 235, 0.08); }
.pdf-proof.doubt { background: rgba(245, 158, 11, 0.25); }
.pdf-fix {
  position: absolute; z-index: 5; width: 240px; padding: 10px; box-sizing: border-box;
  background: var(--surface); color: var(--ink); border: 1px solid var(--line-2); border-radius: var(--radius); box-shadow: var(--shadow-pop);
  font: 13px/1.4 var(--ui); user-select: auto; -webkit-user-select: auto;
}
.pdf-fix-label { font-size: 11px; color: var(--ink-3); margin: 0 0 4px; }
.pdf-fix-scan { display: block; max-width: 100%; height: auto; margin-bottom: 8px; border: 1px solid var(--line); border-radius: 4px; background: #fff; }
.pdf-fix-input { width: 100%; box-sizing: border-box; font: inherit; font-size: 15px; padding: 6px 8px; border: 1px solid var(--line-2); border-radius: 6px; background: var(--surface); color: var(--ink); }
.pdf-fix-input:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
.pdf-fix-hint { margin-top: 6px; font-size: 11px; color: var(--ink-3); }
.pdf-fix-edit { margin-top: 8px; width: 100%; }
.pdf-word-menu {
  position: fixed; z-index: 50; min-width: 220px; max-width: 320px; padding: 4px; box-sizing: border-box;
  background: var(--surface); color: var(--ink); border: 1px solid var(--line-2); border-radius: var(--radius); box-shadow: var(--shadow-pop);
  font: 13px/1.4 var(--ui);
}
.pdf-menu-head { padding: 6px 8px 8px; }
.pdf-menu-scan { display: block; max-width: 100%; height: auto; max-height: 64px; border: 1px solid var(--line); border-radius: 4px; background: #fff; }
.pdf-menu-read { margin-top: 4px; font-size: 12px; color: var(--ink-3); overflow-wrap: anywhere; }
.pdf-menu-item {
  display: flex; justify-content: space-between; gap: 16px; width: 100%; padding: 6px 10px; border: 0; border-radius: 6px;
  background: none; color: inherit; font: inherit; text-align: left; cursor: pointer;
}
.pdf-menu-item:hover, .pdf-menu-item:focus-visible { background: var(--hover); outline: none; }
.pdf-menu-hint { color: var(--ink-3); }
.pdf-menu-sep { height: 1px; margin: 4px 6px; background: var(--line); }
.pdf-stage[data-tool="edit"] .pdf-doubt { cursor: text; }
.pdf-handle {
  position: absolute;
  right: -7px;
  bottom: -7px;
  width: 13px;
  height: 13px;
  background: var(--accent);
  border: 2px solid #fff;
  border-radius: 3px;
  cursor: nwse-resize;
  touch-action: none;
}
.pdf-preview { pointer-events: none; }
.pdf-ink { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.pdf-ink path { fill: none; stroke-linecap: round; stroke-linejoin: round; pointer-events: stroke; }
.pdf-stage[data-tool="select"] .pdf-ink path { cursor: move; }
.pdf-stage:not([data-tool="select"]) .pdf-ink path { pointer-events: none; }
.pdf-ink path.sel { filter: drop-shadow(0 0 2px var(--accent)) drop-shadow(0 0 1px var(--accent)); }

.pdf-target { position: absolute; cursor: text; border-radius: 2px; }
.pdf-target:hover { background: rgba(37, 99, 235, 0.12); outline: 1px solid rgba(37, 99, 235, 0.55); }
.pdf-stage[data-tool="edit"] .pdf-target { box-shadow: inset 0 -1px 0 rgba(37, 99, 235, 0.35); }

.pdf-field {
  position: absolute;
  margin: 0;
  padding: 0 3px;
  border: 1px solid rgba(37, 99, 235, 0.45);
  border-radius: 2px;
  background: rgba(219, 234, 254, 0.55);
  color: #111;
  font-family: Helvetica, Arial, sans-serif;
  outline: none;
  resize: none;
}
.pdf-field:focus { border-color: var(--accent); background: rgba(219, 234, 254, 0.85); }
.pdf-check { accent-color: #2563eb; }

.sig-pad { width: 100%; height: auto; aspect-ratio: 3 / 1; border: 1px dashed var(--line-2); border-radius: 10px; background: #fff; touch-action: none; cursor: crosshair; }
.sig-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.sig-remember { gap: 10px; }

.doc-badge { display: inline-block; font-size: 10px; font-weight: 700; letter-spacing: 0.04em; color: #b91c1c; background: #fee2e2; border-radius: 4px; padding: 0 4px; margin-right: 6px; vertical-align: 1px; }
:root[data-theme="dark"] .doc-badge { color: #fecaca; background: #4c1d1d; }

@media (max-width: 899px) {
  .pdf-pages-btn { display: inline-flex; }
  .pdf-thumbs {
    position: absolute;
    inset: 0 auto 0 0;
    z-index: 15;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
  }
  body.pdf-thumbs-open .pdf-thumbs { transform: none; box-shadow: var(--shadow-pop); }
  .pdf-thumb-actions { opacity: 1; position: static; transform: none; justify-content: center; margin-top: 4px; box-shadow: none; }
  .pdf-pages { padding: 12px 8px 80px; gap: 12px; }
}
@media (max-width: 640px) {
  .tb-label { padding: 0 7px; }
  .tb-label:not([data-pdf-tool="select"]) { font-size: 12px; }
}
@media print {
  body.pdf-mode .pdf-stage { display: none !important; }
}

.about-more { border-top: 1px solid var(--line); padding-top: 8px; }
.about-more summary { cursor: pointer; font-weight: 600; }
.about-more p, .about-more ul { margin: 8px 0 0; }

/* Read whole document: a switch in the PDF toolbar, with an info bubble */
.pdf-toolbar { position: relative; z-index: 30; }
.tb-toggle { display: inline-flex; align-items: center; gap: 7px; padding: 0 6px; font-size: 13px; color: var(--ink-2); white-space: nowrap; cursor: pointer; }
.tb-info { position: relative; width: 20px; height: 20px; min-width: 20px; padding: 0; border-radius: 50%; border: 1px solid var(--line-2); font: italic 600 12px/1 Georgia, serif; color: var(--ink-3); }
.tb-tip {
  display: none; position: fixed; z-index: 60; top: 0; left: 0; width: 300px; max-width: calc(100vw - 24px);
  padding: 10px 12px; background: var(--surface); color: var(--ink); border: 1px solid var(--line-2); border-radius: var(--radius); box-shadow: var(--shadow-pop);
  font: 13px/1.45 var(--ui); font-style: normal; text-align: left; white-space: normal; cursor: default;
}
.tb-info:hover .tb-tip, .tb-info:focus-visible .tb-tip, .tb-info.open .tb-tip { display: block; }
.pdf-reading {
  position: absolute; left: 50%; top: 40px; transform: translateX(-50%); z-index: 4; padding: 8px 14px; border-radius: 999px;
  background: var(--surface); color: var(--ink); box-shadow: var(--shadow-pop); font: 13px var(--ui); pointer-events: none;
}
.pdf-stage[data-tool="edit"] .pdf-page:has(.pdf-reading) { cursor: progress; }