:root {
  --background: oklch(97% 0.007 255);
  --surface: oklch(91.5% 0.014 250);
  --text: oklch(28% 0.018 255);
  --text-muted: oklch(48% 0.016 255);
  --accent: oklch(45% 0.08 245);
  --rule: oklch(82% 0.012 255);
  --rule-strong: oklch(62% 0.028 250);
}

html {
  font-family: "Noto Sans", sans-serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  color-scheme: light;
  scroll-behavior: smooth;
  min-height: 100%;
  background-color: var(--background);
}

body {
  margin: auto;
  padding: 1.25rem 1rem 2rem;
  width: 800px;
  max-width: calc(100% - 2rem);
  color: var(--text);
  font-size: 20px;
  line-height: 1.65;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  align-items: baseline;
  margin: 0 0 1.5rem;
  font-size: 0.85em;
}

.site-nav-brand {
  font-weight: 600;
  margin-right: 0.5rem;
}

.site-nav a {
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

h1 {
  margin: 0 0 0.35em;
  letter-spacing: -0.015em;
  line-height: 1.2;
}

h3 {
  margin-top: 1.75em;
  margin-bottom: 0.6em;
  font-weight: 600;
  letter-spacing: -0.01em;
}

hr {
  border: none;
  height: 1px;
  margin: 2.5em 0;
  background: color-mix(in oklch, var(--rule) 55%, transparent);
}

a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  cursor: pointer;
}

a:hover {
  color: var(--accent);
}

a:visited {
  color: var(--text);
}

#toc {
  max-width: 22rem;
  margin: 1.5em 0 2em;
  font-size: 0.8em;
  line-height: 1.45;
}

@media only screen and (max-width: 640px) {
  #toc {
    max-width: none;
  }
}

#toc .toc-label {
  margin: 0 0 0.5em;
  padding: 0;
  text-indent: 0;
  font-size: 0.95em;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
}

#toc ol {
  margin: 0;
  padding: 0 0 0 1.25em;
}

#toc li {
  margin: 0.35em 0;
}

#toc a {
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

#toc a:hover {
  color: var(--accent);
}

.site-disclaimer {
  width: 75%;
  max-width: 100%;
  margin: 3.5em auto 1.5em;
  text-align: center;
  font-size: 0.6em;
  line-height: 1.5;
  color: var(--text-muted);
  text-wrap: pretty;
}

blockquote,
.scripture-container {
  margin: 1.5em 0;
  padding: 0.85em 1em;
  font-size: 0.92em;
  font-family: "Noto Serif", serif;
  font-style: normal;
  line-height: 1.55;
  background: var(--surface);
  border: none;
  border-radius: 0.25em;
  border-left: 3px solid var(--accent);
}

blockquote p {
  margin: 0.45em 0;
}

blockquote p:first-child {
  margin-top: 0;
}

blockquote p:last-child {
  margin-bottom: 0;
}

.scripture-ref {
  font-family: "Noto Sans", sans-serif;
  font-weight: 600;
  font-size: 0.95em;
  letter-spacing: normal;
  text-transform: none;
  text-align: center;
  margin: 0 0 0.5em;
  color: var(--text);
}

.scripture-verse-container {
  margin-bottom: 0.45em;
}

.scripture-verse-container .verse-num {
  font-family: "Noto Sans", sans-serif;
  font-weight: 700;
  font-size: 0.85em;
  padding-right: 0.3em;
  color: var(--text);
  vertical-align: baseline;
}

.scripture-verse-ellipsis {
  text-align: center;
  margin: 0.5em 0;
  color: var(--text-muted);
  letter-spacing: 0.25em;
}

.scripture-container .scripture-verse-container:last-child {
  margin-bottom: 0;
}

.scripture-emphasis {
  background: color-mix(in oklch, var(--accent) 16%, transparent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.12em;
}

/* Topic index */
.tag-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem 1rem;
  align-items: start;
  list-style: none;
  margin: 1.5em 0 0;
  padding: 0;
}

.tag-card {
  margin: 0;
  min-width: 0;
  padding: 0.65em 0.75em;
  background: transparent;
  border: 1px solid color-mix(in oklch, var(--rule) 75%, transparent);
  border-radius: 0.35em;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.tag-card:hover {
  background: color-mix(in oklch, var(--accent) 12%, transparent);
  border-color: color-mix(in oklch, var(--accent) 45%, var(--rule));
}

.tag-button {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2em;
  width: 100%;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.tag-button:hover .tag-name {
  color: var(--accent);
}

.tag-name {
  font-weight: 600;
  font-size: 0.95em;
}

.tag-count {
  color: var(--text-muted);
  font-size: 0.8em;
  font-variant-numeric: tabular-nums;
}

.tag-empty {
  grid-column: 1 / -1;
  color: var(--text-muted);
}

.posts-popup {
  position: absolute;
  z-index: 40;
  box-sizing: border-box;
  width: max-content;
  min-width: 12rem;
  max-width: min(20rem, calc(100vw - 1.5rem));
  max-height: min(16rem, 50vh);
  overflow: auto;
  padding: 0.7em 0.85em;
  background: oklch(99% 0.004 255);
  border: 1px solid color-mix(in oklch, var(--accent) 35%, var(--rule));
  border-radius: 0.4em;
  box-shadow: 0 0.45em 1.1em oklch(28% 0.02 255 / 0.14);
  color: var(--text);
  font-size: 0.85em;
  line-height: 1.45;
}

.posts-popup[hidden] {
  display: none;
}

.drilldown-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.drilldown-list li {
  margin: 0.35em 0;
}

.drilldown-list a {
  color: var(--accent);
  text-decoration: none;
}

.drilldown-list a:hover {
  text-decoration: underline;
}

.post-ref {
  color: color-mix(in oklch, var(--text-muted) 70%, var(--background));
  font-size: 0.8em;
}

.post-list {
  list-style: none;
  margin: 1.5em 0 0;
  padding: 0;
}

@media only screen and (max-width: 720px) {
  .tag-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media only screen and (max-width: 480px) {
  .tag-list {
    grid-template-columns: 1fr;
  }
}

.post-list li {
  margin: 0.45em 0;
}

.post-date {
  margin-left: 0.6em;
  color: var(--text-muted);
  font-size: 0.85em;
}

/* Scripture chapter grid */
.volume {
  margin: 1.75em 0 0;
}

.volume-header {
  display: flex;
  align-items: center;
  gap: 0.55em;
  margin: 0 0 0.75em;
}

.volume-toggle {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: 1.35em;
  height: 1.35em;
  margin: 0;
  padding: 0;
  border: 1.5px solid var(--accent);
  border-radius: 999px;
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-size: 1.05em;
  line-height: 1;
  cursor: pointer;
}

.volume-toggle::before {
  content: "+";
  font-weight: 600;
  font-size: 0.95em;
}

.volume-toggle[aria-expanded="true"]::before {
  content: "−";
}

.volume-toggle:hover:not(:disabled) {
  background: color-mix(in oklch, var(--accent) 12%, transparent);
}

.volume-toggle:disabled {
  border-color: var(--rule);
  color: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.55;
}

.volume-name {
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 1.15em;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.volume-name:hover:not(:disabled) {
  color: var(--accent);
}

.volume-name:disabled {
  color: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.55;
}

.volume-name-wrap {
  position: relative;
  display: inline-flex;
}

.volume-name-wrap.has-tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 0;
  bottom: calc(100% + 0.35em);
  padding: 0.25em 0.55em;
  border-radius: 4px;
  background: var(--text);
  color: var(--background);
  font-size: 0.75em;
  font-weight: 500;
  line-height: 1.3;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
}

.volume-name-wrap.has-tooltip:hover::after {
  opacity: 1;
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem 1.25rem;
  align-items: start;
}

.book-grid[hidden] {
  display: none;
}

.book-row {
  margin: 0;
  min-width: 0;
}

.book-name {
  margin: 0 0 0.55em;
  font-size: 0.95em;
  font-weight: 600;
}

.chapter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(2rem, 1fr));
  gap: 0.3rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.chapter-grid > li[hidden] {
  display: none;
}

.chapter-more {
  display: block;
  width: fit-content;
  margin: 0.45em auto 0;
  padding: 0.08em 0.4em;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-size: 0.8em;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
}

.chapter-more:hover {
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.chapter-more[hidden] {
  display: none;
}

.chapter-cell {
  width: 100%;
  aspect-ratio: 1;
  margin: 0;
  padding: 0;
  border: 1px solid color-mix(in oklch, var(--rule) 80%, transparent);
  border-radius: 999px;
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  font-size: 0.75em;
  font-variant-numeric: tabular-nums;
  cursor: default;
}

.chapter-cell:not(:disabled) {
  cursor: pointer;
  color: var(--text);
}

.chapter-cell:not(:disabled):hover {
  border-color: var(--accent);
}

.chapter-cell.heat-1 {
  background: color-mix(in oklch, var(--accent) 18%, transparent);
  border-color: color-mix(in oklch, var(--accent) 35%, var(--rule));
}

.chapter-cell.heat-2 {
  background: color-mix(in oklch, var(--accent) 32%, transparent);
  border-color: color-mix(in oklch, var(--accent) 50%, var(--rule));
}

.chapter-cell.heat-3 {
  background: color-mix(in oklch, var(--accent) 48%, transparent);
  border-color: color-mix(in oklch, var(--accent) 65%, var(--rule));
}

.chapter-cell.heat-4 {
  background: color-mix(in oklch, var(--accent) 64%, transparent);
  border-color: var(--accent);
  color: oklch(98% 0.005 255);
}

.chapter-cell.heat-5 {
  background: color-mix(in oklch, var(--accent) 82%, transparent);
  border-color: var(--accent);
  color: oklch(98% 0.005 255);
}

.chapter-cell:disabled {
  opacity: 0.55;
}

@media only screen and (max-width: 720px) {
  .book-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media only screen and (max-width: 480px) {
  .book-grid {
    grid-template-columns: 1fr;
  }
}