libre-study/src/App.css

.app-shell {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  min-height: 100vh;
  background: #ece9df;
  color: #202124;
}

.app-shell.menu-open .reader {
  filter: blur(1.5px) brightness(0.62) saturate(0.72);
}

.tool-rail {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  position: relative;
  z-index: 20;
  width: 58px;
  padding: 18px 10px;
  background: #1f231f;
  border-right: 1px solid #d1cab9;
  box-sizing: border-box;
  transition: width 160ms ease, box-shadow 160ms ease;
  overflow: hidden;
}

.tool-rail:hover,
.tool-rail:focus-within {
  width: 270px;
  align-items: stretch;
  box-shadow: 18px 0 40px rgba(17, 20, 17, 0.26);
}

.brand-mark {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: #d6a84f;
  color: #161711;
  font-weight: 800;
  font-size: 15px;
}

.tool-rail button {
  display: flex;
  gap: 12px;
  align-items: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border-color: #3c4239;
  background: #2c302a;
  color: #f6f3eb;
  white-space: nowrap;
}

.tool-rail:hover button,
.tool-rail:focus-within button {
  width: 100%;
  padding: 0 10px;
}

.menu-button {
  flex: 0 0 auto;
  justify-content: center;
  align-self: center;
}

.menu-button span {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.menu-button {
  flex-direction: column;
  gap: 4px;
}

.tool-rail:hover .menu-button,
.tool-rail:focus-within .menu-button {
  width: 42px;
  padding: 0;
}

.app-identity {
  display: flex;
  gap: 12px;
  align-items: center;
  min-height: 42px;
}

.rail-icon {
  display: grid;
  flex: 0 0 18px;
  place-items: center;
  font-weight: 800;
}

.rail-copy {
  display: none;
  min-width: 0;
  text-align: left;
}

.tool-rail:hover .rail-copy,
.tool-rail:focus-within .rail-copy {
  display: grid;
}

.rail-copy strong,
.rail-copy small {
  overflow: hidden;
  text-overflow: ellipsis;
}

.rail-copy small {
  color: #b9c0b4;
  font-size: 11px;
  font-weight: 600;
}

.rail-bottom {
  margin-top: auto;
}

.rail-description {
  display: none;
  margin: 0;
  padding: 12px;
  border: 1px solid #3c4239;
  border-radius: 6px;
  background: #252b25;
  color: #d9ddd4;
  font-size: 13px;
  line-height: 1.45;
}

.tool-rail:hover .rail-description,
.tool-rail:focus-within .rail-description {
  display: block;
}

.reader {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 16px;
  min-width: 0;
  height: 100vh;
  padding: 18px;
  box-sizing: border-box;
  transition: filter 160ms ease;
}

.top-bar {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(420px, 1.1fr) minmax(300px, 0.65fr);
  gap: 14px;
  align-items: end;
}

.version-block h1,
.study-margin h2,
.notes-workspace h2,
.strong-focus h4 {
  margin: 0;
  letter-spacing: 0;
}

.version-block h1 {
  margin-top: 3px;
  font-size: 24px;
  line-height: 1.15;
}

.eyebrow {
  color: #657061;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.search-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid #bdb8aa;
  border-radius: 6px;
  padding: 10px 12px;
  background: #fffef9;
  color: #202124;
  font: inherit;
  font-size: 14px;
  box-sizing: border-box;
}

textarea {
  min-height: 420px;
  resize: none;
  line-height: 1.5;
}

button {
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 10px 12px;
  background: #d6a84f;
  color: #141510;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid #5d7f71;
  outline-offset: 2px;
}

.page-controls {
  display: grid;
  grid-template-columns: minmax(130px, 1.1fr) minmax(130px, 1.3fr) minmax(86px, 0.7fr) minmax(78px, 0.6fr) minmax(120px, 0.9fr);
  gap: 8px;
  align-items: end;
}

.page-controls label {
  display: grid;
  gap: 4px;
  color: #657061;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.study-desk {
  display: grid;
  grid-template-columns: minmax(720px, 1fr);
  gap: 16px;
  min-height: 0;
}

.study-desk.page,
.study-desk.study,
.study-desk.compare {
  grid-template-columns: minmax(680px, 1160px);
  justify-content: center;
}

.study-desk.notes {
  grid-template-columns: minmax(760px, 1.42fr) minmax(320px, 0.58fr);
}

.page-system,
.notes-workspace,
.status-panel {
  border: 1px solid #d4cdbd;
  border-radius: 8px;
  background: #fffef8;
  box-shadow: 0 12px 30px rgba(44, 48, 42, 0.08);
}

.page-system {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr) auto auto auto;
  min-height: 0;
  overflow: visible;
  perspective: 1400px;
}

.page-system.study,
.page-system.notes {
  grid-template-columns: minmax(0, 1fr) minmax(250px, 330px);
}

.page-system.compare-system {
  display: block;
}

.bible-page {
  display: grid;
  grid-column: 1;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
  padding: 26px 30px;
}

.bible-page header,
.page-turner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  color: #6b675d;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.page-turner {
  grid-column: 1;
  padding: 14px 30px;
  border-top: 1px solid #e8e2d4;
  background: #fffef8;
  text-transform: none;
}

.page-turner span {
  color: #6b675d;
  font-size: 13px;
  font-weight: 700;
}

.page-columns {
  column-count: 2;
  column-gap: 34px;
  column-rule: 1px solid #eee7d8;
  overflow: hidden;
  padding: 22px 0;
  font-family: Georgia, 'Times New Roman', serif;
}

.page-system.turn-forward .bible-page {
  animation: page-turn-forward 480ms ease;
}

.page-system.turn-back .bible-page {
  animation: page-turn-back 480ms ease;
}

.page-verse {
  break-inside: avoid;
  margin: 0 0 9px;
  padding: 3px 4px;
  color: #1f211e;
  font-size: 18px;
  line-height: 1.58;
  cursor: pointer;
}

.page-verse.selected {
  border-radius: 5px;
  background: #f4ecd8;
}

.page-verse sup {
  margin-right: 5px;
  color: #8a6d2e;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 10px;
  font-weight: 800;
}

.strong-token {
  display: inline;
  position: relative;
  cursor: pointer;
}

.strong-token.highlight,
.strong-token.numbers {
  border-radius: 3px;
  box-shadow: inset 0 -0.45em 0 rgba(214, 168, 79, 0.22);
}

.strong-token:hover,
.strong-token:focus-visible {
  box-shadow: inset 0 -1.1em 0 rgba(214, 168, 79, 0.34);
  outline: none;
}

.strong-token.active {
  box-shadow: inset 0 -1.1em 0 rgba(47, 111, 94, 0.3);
}

.strong-code {
  margin-left: 2px;
  color: #735c0f;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 9px;
  font-weight: 800;
  line-height: 0;
  vertical-align: super;
}

.strong-token.active .strong-code {
  color: #225446;
}

.study-margin,
.notes-workspace {
  min-height: 0;
  overflow: auto;
  padding: 16px;
}

.study-margin {
  grid-column: 2;
  grid-row: 1 / -1;
  min-width: 0;
  border-left: 1px solid #e4dece;
  background: #fbf8ef;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid #e4e0d6;
}

.panel-header h2,
.notes-workspace h2 {
  font-size: 18px;
}

.panel-header span,
.margin-reference,
.translit {
  color: #657061;
  font-size: 13px;
  line-height: 1.4;
}

.margin-reference {
  margin: 12px 0;
  font-weight: 800;
}

.original-language-verse {
  display: grid;
  gap: 8px;
  min-width: 0;
  margin: 0 0 14px;
  padding: 12px;
  overflow: hidden;
  border: 1px solid #dfd6c2;
  border-radius: 6px;
  background: #fffdf6;
}

.margin-section-header {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
}

.collapse-button,
.mini-settings {
  border: 0;
  background: transparent;
  color: #657061;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.collapse-button {
  padding: 0;
  text-align: left;
}

.collapse-button::before {
  margin-right: 5px;
  color: #735c0f;
  content: 'v';
}

.mini-settings {
  width: auto;
  height: auto;
  padding: 3px 6px;
  border: 1px solid #d8cfbf;
  border-radius: 4px;
  background: #fbf8ef;
}

.original-language-verse h3 {
  margin: 0;
  color: #657061;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.original-language-verse p {
  min-width: 0;
  margin: 0;
}

.lemma-line-text {
  display: block;
  max-width: 100%;
  overflow-wrap: anywhere;
  color: #1f211e;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 20px;
  line-height: 1.7;
  white-space: normal;
  word-break: normal;
}

.lemma-line-text[dir='rtl'] {
  direction: rtl;
  text-align: right;
  unicode-bidi: isolate;
}

.lemma-word {
  display: inline;
  overflow-wrap: anywhere;
  padding: 0 2px;
  border-radius: 3px;
  cursor: pointer;
}

.lemma-word + .lemma-word {
  margin-inline-start: 0.35em;
}

.lemma-word:hover,
.lemma-word:focus-visible,
.lemma-word.active {
  background: rgba(47, 111, 94, 0.16);
  outline: none;
}

.english-strong-line {
  display: grid;
  gap: 8px;
  margin: 0 0 14px;
  padding: 12px;
  border: 1px solid #dfd6c2;
  border-radius: 6px;
  background: #fffdf6;
}

.linked-line-text {
  margin: 0;
  color: #202124;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.linked-word {
  display: inline;
  padding: 0 2px;
  border-radius: 3px;
  cursor: pointer;
  overflow-wrap: anywhere;
}

.linked-word + .linked-word {
  margin-inline-start: 0.35em;
}

.linked-word:hover,
.linked-word:focus-visible,
.linked-word.active {
  background: rgba(214, 168, 79, 0.25);
  outline: none;
}

.strong-focus {
  display: grid;
  gap: 9px;
  padding: 16px;
  border: 1px solid #b9cabf;
  border-radius: 8px;
  background: #eef6f1;
}

.strong-focus div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  color: #657061;
  font-size: 12px;
}

.strong-focus > .margin-section-header span {
  color: #657061;
  font-size: 12px;
}

.strong-focus h4 {
  color: #1f211e;
  font-size: 22px;
}

.strong-focus p {
  margin: 0;
  color: #3f443d;
  font-size: 14px;
  line-height: 1.5;
}

.strong-focus button {
  justify-self: start;
  margin-top: 4px;
  background: #2f6f5e;
  color: #ffffff;
}

.notes-workspace {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.session-manager {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) auto;
  gap: 8px;
  align-items: end;
}

.session-manager label {
  display: grid;
  gap: 4px;
  color: #657061;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.tag-editor,
.reader-tags {
  display: flex;
  gap: 8px;
}

.reader-tags {
  flex-wrap: wrap;
}

.reader-tags span {
  border-radius: 999px;
  color: white;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 9px;
}

.footnote-strip,
.status-panel {
  padding: 14px 18px;
  color: #3f443d;
}

.footnote-strip {
  display: flex;
  grid-column: 1;
  gap: 12px;
  align-items: flex-start;
  min-height: 50px;
  border-top: 1px solid #e7dfcf;
  background: #fffef8;
  box-shadow: inset 0 8px 16px rgba(44, 48, 42, 0.03);
}

.footnote-strip strong {
  flex: 0 0 auto;
}

.footnote-strip span {
  color: #657061;
}

.footnote-list {
  display: grid;
  gap: 5px;
}

.footnote-list p {
  margin: 0;
  color: #3f443d;
  font-size: 14px;
  line-height: 1.42;
  cursor: pointer;
}

.footnote-list p span {
  display: inline-block;
  margin-right: 7px;
  color: #735c0f;
  font-weight: 800;
}

.footnote-list p:hover,
.footnote-list p:focus-visible {
  color: #202124;
  outline: none;
  text-decoration: underline;
  text-decoration-color: #d6a84f;
  text-underline-offset: 3px;
}

.note-helper {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  margin-top: auto;
  padding: 12px;
  border-color: #ded6c7;
  background: #fbf8ef;
  color: #202124;
  text-align: left;
}

.note-helper strong,
.note-helper small {
  display: block;
}

.note-helper small {
  color: #657061;
  font-size: 12px;
}

.note-helper-figure {
  position: relative;
  display: block;
  width: 64px;
  height: 58px;
}

.helper-head,
.helper-body,
.helper-notebook,
.helper-pencil {
  position: absolute;
  display: block;
}

.helper-head {
  top: 2px;
  left: 20px;
  width: 26px;
  height: 22px;
  border: 2px solid #252821;
  border-radius: 8px;
  background: #d6a84f;
}

.helper-head::before,
.helper-head::after {
  position: absolute;
  top: 8px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #252821;
  content: '';
}

.helper-head::before {
  left: 6px;
}

.helper-head::after {
  right: 6px;
}

.helper-body {
  top: 27px;
  left: 17px;
  width: 32px;
  height: 22px;
  border-radius: 8px 8px 5px 5px;
  background: #2f6f5e;
}

.helper-notebook {
  right: 2px;
  bottom: 3px;
  width: 34px;
  height: 22px;
  border: 2px solid #c9baa0;
  border-radius: 3px;
  background: #fffef8;
  transform: rotate(-4deg);
}

.helper-notebook::before {
  position: absolute;
  top: 6px;
  left: 5px;
  width: 20px;
  height: 2px;
  background: #d8cfbf;
  box-shadow: 0 5px 0 #d8cfbf;
  content: '';
}

.helper-pencil {
  right: 18px;
  bottom: 21px;
  width: 24px;
  height: 4px;
  border-radius: 999px;
  background: #735c0f;
  transform-origin: right center;
  animation: helper-writing 900ms ease-in-out infinite;
}

.book-tabs {
  display: grid;
  grid-column: 1;
  grid-template-columns: repeat(24, minmax(0, 1fr));
  gap: 3px;
  align-items: flex-start;
  padding: 0 16px 10px;
  overflow: hidden;
  background: #ece9df;
}

.book-tabs.turn-forward {
  animation: tab-window-forward 320ms ease;
}

.book-tabs.turn-back {
  animation: tab-window-back 320ms ease;
}

.book-tabs button {
  min-width: 0;
  height: 30px;
  padding: 4px 3px;
  border-color: #c8bea9;
  border-top: 0;
  border-radius: 0 0 7px 7px;
  background: #efe4c9;
  color: #4c422f;
  font-size: 10px;
  font-weight: 800;
  line-height: 1.05;
  white-space: normal;
  overflow-wrap: anywhere;
  box-shadow: 0 5px 10px rgba(44, 48, 42, 0.08);
}

.book-tabs button:nth-child(4n + 2) {
  height: 34px;
}

.book-tabs button:nth-child(4n + 3) {
  height: 27px;
}

.book-tabs button:hover,
.book-tabs button:focus-visible,
.book-tabs button.active {
  background: #d6a84f;
  color: #151510;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(18, 21, 18, 0.46);
}

.modal-panel {
  display: grid;
  gap: 18px;
  width: min(920px, 100%);
  max-height: calc(100vh - 48px);
  overflow: auto;
  padding: 22px;
  border: 1px solid #d4cdbd;
  border-radius: 8px;
  background: #fffef8;
  box-shadow: 0 22px 60px rgba(18, 21, 18, 0.3);
}

.modal-panel > header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px solid #e7dfcf;
}

.modal-panel h2,
.modal-panel h3 {
  margin: 0;
  letter-spacing: 0;
}

.modal-panel h2 {
  font-size: 24px;
}

.modal-panel h3 {
  font-size: 16px;
}

.close-button {
  background: #2c302a;
  color: #fffef8;
}

.modal-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
}

.modal-section {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 16px;
  border: 1px solid #e0d8c8;
  border-radius: 8px;
  background: #fbf8ef;
}

.modal-section label {
  display: grid;
  gap: 5px;
  color: #657061;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.session-facts,
.about-list {
  display: grid;
  gap: 8px;
  margin: 0;
}

.session-facts div,
.about-list div {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 12px;
}

.session-facts dt,
.about-list dt {
  color: #657061;
  font-size: 12px;
  font-weight: 800;
}

.session-facts dd,
.about-list dd {
  margin: 0;
  color: #252821;
  line-height: 1.45;
}

.resource-toggles {
  display: grid;
  gap: 8px;
}

.resource-toggles label {
  display: flex;
  gap: 9px;
  align-items: center;
  color: #252821;
  font-size: 14px;
  text-transform: none;
}

.resource-toggles input {
  width: auto;
}

.resource-disabled {
  margin: 0;
  color: #657061;
  font-size: 14px;
  line-height: 1.5;
}

.about-modal {
  width: min(760px, 100%);
}

.timeline-modal {
  width: min(1080px, 100%);
}

.settings-modal {
  width: min(780px, 100%);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.settings-grid .modal-section:last-child {
  grid-column: 1 / -1;
}

.settings-grid input[type='range'] {
  padding: 0;
}

.checkbox-row {
  display: flex !important;
  gap: 9px !important;
  align-items: center;
  color: #252821 !important;
  font-size: 14px !important;
  text-transform: none !important;
}

.checkbox-row input {
  width: auto;
}

.about-modal p {
  margin: 0;
  color: #3f443d;
  line-height: 1.6;
}

.about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.about-links a {
  border-radius: 6px;
  padding: 9px 11px;
  background: #2f6f5e;
  color: white;
  font-weight: 800;
  text-decoration: none;
}

.timeline-canvas {
  overflow-x: auto;
  padding: 30px 4px 12px;
}

.timeline-canvas ol {
  position: relative;
  display: flex;
  gap: 18px;
  min-width: max-content;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline-canvas ol::before {
  position: absolute;
  top: 18px;
  right: 0;
  left: 0;
  height: 3px;
  border-radius: 999px;
  background: #d6a84f;
  content: '';
}

.timeline-canvas li {
  position: relative;
  width: 190px;
  padding-top: 30px;
}

.timeline-dot {
  position: absolute;
  top: 10px;
  left: 16px;
  z-index: 1;
  width: 18px;
  height: 18px;
  border: 3px solid #fffef8;
  border-radius: 50%;
  background: #2f6f5e;
  box-shadow: 0 0 0 2px #d6a84f;
}

.timeline-canvas button {
  display: grid;
  gap: 5px;
  width: 100%;
  min-height: 120px;
  align-content: start;
  border-color: #ded6c7;
  background: #fbf8ef;
  color: #202124;
  text-align: left;
}

.timeline-canvas button:disabled {
  cursor: default;
  opacity: 1;
}

.timeline-canvas time,
.timeline-canvas span,
.timeline-canvas small {
  color: #657061;
  font-size: 12px;
}

.timeline-canvas small {
  overflow: hidden;
  text-overflow: ellipsis;
}

.empty-timeline {
  display: grid;
  gap: 12px;
  justify-items: center;
  padding: 30px;
  color: #657061;
}

@keyframes page-turn-forward {
  0% {
    opacity: 0.8;
    transform: translateX(18px) rotateY(-4deg);
  }
  55% {
    opacity: 1;
    transform: translateX(-6px) rotateY(2deg);
  }
  100% {
    transform: translateX(0) rotateY(0);
  }
}

@keyframes page-turn-back {
  0% {
    opacity: 0.8;
    transform: translateX(-18px) rotateY(4deg);
  }
  55% {
    opacity: 1;
    transform: translateX(6px) rotateY(-2deg);
  }
  100% {
    transform: translateX(0) rotateY(0);
  }
}

@keyframes tab-window-forward {
  0% {
    transform: translateX(18px);
    opacity: 0.65;
  }
  100% {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes tab-window-back {
  0% {
    transform: translateX(-18px);
    opacity: 0.65;
  }
  100% {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes helper-writing {
  0%,
  100% {
    transform: translate(0, 0) rotate(-18deg);
  }
  50% {
    transform: translate(5px, 3px) rotate(-10deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-system.turn-forward .bible-page,
  .page-system.turn-back .bible-page,
  .book-tabs.turn-forward,
  .book-tabs.turn-back,
  .helper-pencil {
    animation: none;
  }
}

.status-panel.error {
  border-color: #b42318;
  color: #b42318;
}

.compare-pages {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  min-height: 0;
}

.compare-pages .bible-page + .bible-page {
  border-left: 1px solid #e4dece;
}

.compare-placeholder {
  align-content: start;
  gap: 24px;
  background: #fbf8ef;
}

.compare-placeholder h2 {
  margin: 0 0 10px;
  color: #252821;
  font-size: 22px;
  letter-spacing: 0;
}

.compare-placeholder p {
  max-width: 36rem;
  margin: 0;
  color: #657061;
  font-size: 15px;
  line-height: 1.55;
}

@media (max-width: 1200px) {
  .study-desk,
  .study-desk.notes,
  .study-desk.study,
  .study-desk.compare {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-system.study,
  .page-system.notes,
  .compare-pages {
    grid-template-columns: minmax(0, 1fr);
  }

  .study-margin,
  .compare-pages .bible-page + .bible-page {
    grid-column: 1;
    grid-row: auto;
    border-top: 1px solid #e4dece;
    border-left: 0;
  }

  .reader {
    height: auto;
    min-height: 100vh;
  }

  .bible-page {
    min-height: 760px;
  }
}

@media (max-width: 760px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .tool-rail {
    flex-direction: row;
    justify-content: flex-start;
  }

  .top-bar {
    grid-template-columns: 1fr;
  }

  .page-controls {
    grid-template-columns: 1fr 1fr;
  }

  .page-columns {
    column-count: 1;
  }
}