:root {
  color-scheme: dark;
  --bg: #15130f;
  --bg-deep: #0e0d0a;
  --surface: rgba(31, 28, 22, 0.84);
  --surface-solid: #1f1c16;
  --surface-hover: #28231b;
  --text: #f1eadc;
  --muted: #9e9688;
  --faint: #615b50;
  --accent: #d99545;
  --accent-bright: #efb565;
  --border: rgba(222, 194, 151, 0.24);
  --border-strong: rgba(222, 194, 151, 0.45);
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.36);
  --glass-surface: rgba(31, 28, 22, 0.58);
  --glass-highlight: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 10px 32px rgba(0, 0, 0, 0.16);
  --serif: Iowan Old Style, Baskerville, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #ffffff;
  --bg-deep: #ffffff;
  --surface: #ffffff;
  --surface-solid: #ffffff;
  --surface-hover: #ffffff;
  --text: #000000;
  --muted: #000000;
  --faint: #000000;
  --accent: #000000;
  --accent-bright: #000000;
  --border: #000000;
  --border-strong: #000000;
  --shadow: 0 24px 54px rgba(0, 0, 0, 0.14);
  --glass-surface: rgba(255, 255, 255, 0.68);
  --glass-highlight: rgba(255, 255, 255, 0.96);
  --glass-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
  background: var(--bg);
}

body {
  min-height: 100vh;
  width: 100%;
  max-width: 100%;
  margin: 0;
  overflow-x: clip;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 28%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 34rem),
    linear-gradient(145deg, var(--bg-deep), var(--bg) 28%, var(--bg));
  font-family: var(--sans);
  transition: background-color 180ms ease, color 180ms ease;
}

:root[data-theme="light"] body {
  background: #ffffff;
}

button,
input,
select {
  font: inherit;
}

button,
select {
  color: inherit;
}

button {
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 3px;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.18;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.13'/%3E%3C/svg%3E");
}

:root[data-theme="light"] .grain {
  display: none;
}

.site-header {
  width: min(1180px, calc(100% - 40px));
  min-height: 84px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  background: var(--glass-surface);
  box-shadow: inset 0 1px 0 var(--glass-highlight);
  -webkit-backdrop-filter: blur(10px) saturate(135%);
  backdrop-filter: blur(10px) saturate(135%);
  opacity: 0.35;
  transition: opacity 160ms ease;
}

.site-header:hover,
.site-header:focus-within {
  opacity: 0.7;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-family: var(--serif);
  font-size: 1.3rem;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.wordmark-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border-strong);
  color: var(--accent-bright);
  font-size: 1rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.select-wrap {
  position: relative;
}

.select-wrap select {
  max-width: 290px;
  height: 42px;
  padding: 0 38px 0 14px;
  border: 1px solid var(--border);
  border-radius: 4px;
  appearance: none;
  background: var(--glass-surface);
  box-shadow: inset 0 1px 0 var(--glass-highlight), var(--glass-shadow);
  -webkit-backdrop-filter: blur(10px) saturate(135%);
  backdrop-filter: blur(10px) saturate(135%);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-overflow: ellipsis;
}

.select-wrap > span {
  position: absolute;
  right: 13px;
  top: 50%;
  transform: translateY(-55%);
  color: var(--muted);
  pointer-events: none;
}

.icon-button {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--glass-surface);
  box-shadow: inset 0 1px 0 var(--glass-highlight), var(--glass-shadow);
  -webkit-backdrop-filter: blur(10px) saturate(135%);
  backdrop-filter: blur(10px) saturate(135%);
}

.icon-button:hover,
.select-wrap select:hover {
  border-color: var(--border-strong);
  background: var(--surface-hover);
}

.sun-icon {
  width: 19px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.5;
}

main {
  min-height: calc(100vh - 174px);
  display: grid;
  place-items: center;
  padding: 64px 20px 42px;
}

.reader {
  width: min(1180px, 100%);
}

.reference-search {
  width: min(510px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--glass-surface);
  box-shadow: inset 0 1px 0 var(--glass-highlight), var(--glass-shadow);
  -webkit-backdrop-filter: blur(10px) saturate(135%);
  backdrop-filter: blur(10px) saturate(135%);
  opacity: 0.35;
  transition: opacity 160ms ease;
}

.reference-input-wrap {
  position: relative;
  min-width: 0;
}

.reference-search:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent);
  opacity: 0.7;
}

.reference-search input {
  width: 100%;
  min-width: 0;
  height: 52px;
  padding: 0 18px;
  border: 0;
  outline: 0;
  color: var(--text);
  background: transparent;
  font-family: var(--serif);
  font-size: 1.08rem;
}

.book-suggestions {
  position: absolute;
  z-index: 20;
  top: calc(100% + 8px);
  left: 0;
  width: 100%;
  max-height: 260px;
  margin: 0;
  padding: 6px;
  overflow-y: auto;
  list-style: none;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: var(--glass-surface);
  box-shadow: inset 0 1px 0 var(--glass-highlight), 0 16px 40px rgba(0, 0, 0, 0.2);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  backdrop-filter: blur(12px) saturate(140%);
}

.book-suggestions li {
  padding: 10px 12px;
  border-radius: 2px;
  color: var(--text);
  font-family: var(--serif);
  font-size: 0.96rem;
  cursor: pointer;
}

.book-suggestions li:hover,
.book-suggestions li.active {
  color: var(--surface-solid);
  background: var(--accent-bright);
}

.reference-search input::placeholder {
  color: var(--faint);
}

.reference-search button {
  margin: 6px;
  padding: 0 19px;
  border: 0;
  border-radius: 3px;
  color: var(--bg-deep);
  background: var(--accent-bright);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.reference-search button:hover {
  filter: brightness(1.08);
}

.reference-search button:disabled {
  cursor: progress;
  opacity: 0.55;
}

.search-hint {
  margin: 9px 0 35px;
  color: var(--muted);
  font-size: 0.72rem;
  text-align: center;
  opacity: 0.25;
}

.reading-layout {
  width: 100%;
}

.reading-stage {
  position: relative;
  min-width: 0;
}

.verse-shell {
  position: relative;
}

.verse-card,
.source-card,
.error-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.verse-card::before,
.source-card::before {
  position: absolute;
  inset: 8px;
  border: 1px solid var(--border);
  content: "";
  pointer-events: none;
}

.verse-card {
  min-height: 310px;
  padding: 58px clamp(32px, 8vw, 92px) 64px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.reference-rule,
.source-heading {
  display: grid;
  grid-template-columns: minmax(24px, 1fr) auto minmax(24px, 1fr);
  align-items: center;
  gap: 18px;
}

.reference-rule span,
.source-heading span {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong));
}

.reference-rule span:last-child,
.source-heading span:last-child {
  background: linear-gradient(90deg, var(--border-strong), transparent);
}

.reference-rule h1 {
  margin: 0;
  color: var(--accent-bright);
  font-family: var(--serif);
  font-size: clamp(1.16rem, 2vw, 1.45rem);
  font-weight: 500;
  letter-spacing: 0.08em;
}

.edition-name {
  margin: 10px 0 30px;
  color: var(--muted);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-align: center;
  text-transform: uppercase;
}

blockquote {
  max-width: 730px;
  margin: 0 auto;
  font-family: var(--serif);
  font-size: clamp(1.55rem, 3.3vw, 2.35rem);
  line-height: 1.48;
  text-align: center;
  text-wrap: balance;
}

.loading-line {
  width: 90%;
  height: 22px;
  margin: 10px auto;
  display: block;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--border), var(--surface-hover), var(--border));
  background-size: 220% 100%;
  animation: shimmer 1.4s linear infinite;
}

.loading-line.short {
  width: 55%;
}

@keyframes shimmer {
  to { background-position: -220% 0; }
}

.source-card {
  margin-top: 18px;
  padding: 38px clamp(30px, 7vw, 76px) 42px;
  text-align: center;
  opacity: 0.5;
}

.source-heading {
  width: min(340px, 100%);
  margin: 0 auto 22px;
}

.source-heading h2 {
  margin: 0;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.source-text {
  margin: 0;
  font-family: "Times New Roman", serif;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.75;
}

.transliteration {
  margin: 18px 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 0.95rem;
  font-style: italic;
  line-height: 1.65;
}

.error-card {
  min-height: 240px;
  padding: 55px 30px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 18px;
  text-align: center;
}

.error-card p {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.35rem;
}

.error-card button {
  padding: 10px 16px;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  background: transparent;
}

.reader-controls {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 10px;
  opacity: 0.35;
  transition: opacity 160ms ease;
}

.source-toggle,
.minimal-toggle {
  min-height: 68px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--glass-surface);
  box-shadow: inset 0 1px 0 var(--glass-highlight), var(--glass-shadow);
  -webkit-backdrop-filter: blur(10px) saturate(135%);
  backdrop-filter: blur(10px) saturate(135%);
}

.source-toggle:hover,
.source-toggle[aria-pressed="true"],
.minimal-toggle:hover,
.minimal-toggle[aria-pressed="true"] {
  border-color: var(--border-strong);
  background: var(--surface-hover);
}

.nav-side {
  position: absolute;
  z-index: 4;
  top: 50%;
  width: 58px;
  height: 76px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  color: var(--accent-bright);
  background: transparent;
  transform: translateY(-50%);
  transition: opacity 150ms ease;
}

.nav-side.previous {
  left: 0;
  transform: translate(-50%, -50%);
}

.nav-side.next {
  right: 0;
  transform: translate(50%, -50%);
}

.nav-side .arrow {
  font-size: 2.25rem;
  line-height: 1;
  opacity: 0.1;
  transition: transform 150ms ease;
}

.nav-side .nav-copy {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.nav-bottom {
  min-height: 68px;
  padding: 0 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--glass-surface);
  box-shadow: inset 0 1px 0 var(--glass-highlight), var(--glass-shadow);
  -webkit-backdrop-filter: blur(10px) saturate(135%);
  backdrop-filter: blur(10px) saturate(135%);
  text-align: left;
}

.nav-bottom.next {
  justify-content: flex-end;
  text-align: right;
}

.nav-bottom:hover:not(:disabled) {
  border-color: var(--border-strong);
  background: var(--surface-hover);
}

.nav-bottom .arrow {
  color: var(--accent-bright);
  font-size: 1.4rem;
}

.nav-button:disabled {
  cursor: default;
  opacity: 0.42;
}

.nav-bottom small,
.source-toggle small,
.minimal-toggle small {
  margin-bottom: 4px;
  display: block;
  color: var(--muted);
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-bottom strong,
.source-toggle strong,
.minimal-toggle strong {
  display: block;
  font-family: var(--serif);
  font-size: 0.9rem;
  font-weight: 500;
}

.source-toggle,
.minimal-toggle {
  min-width: 148px;
  padding: 0 17px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
}

.source-glyph {
  color: var(--accent-bright);
  font-family: var(--serif);
  font-size: 1.15rem;
}

.minimal-toggle {
  grid-column: 2;
  min-height: 52px;
}

.minimal-glyph {
  color: var(--accent-bright);
  font-size: 1rem;
}

.minimal-mode .site-header,
.minimal-mode .reference-search,
.minimal-mode .search-hint,
.minimal-mode footer,
.minimal-mode .nav-bottom {
  display: none;
}

.minimal-mode main {
  min-height: 100vh;
  padding-block: 28px;
}

.minimal-mode .reader-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.minimal-mode .source-toggle,
.minimal-mode .minimal-toggle {
  width: 170px;
  min-height: 54px;
}

footer {
  width: min(1180px, calc(100% - 40px));
  min-height: 90px;
  margin: 0 auto;
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--border);
  background: var(--glass-surface);
  box-shadow: inset 0 1px 0 var(--glass-highlight);
  -webkit-backdrop-filter: blur(10px) saturate(135%);
  backdrop-filter: blur(10px) saturate(135%);
  color: var(--muted);
  font-size: 0.69rem;
  letter-spacing: 0.04em;
  opacity: 0.25;
}

footer p {
  margin: 0;
}

.shortcuts {
  display: flex;
  align-items: center;
  gap: 7px;
}

.offline-note a {
  color: var(--muted);
  text-decoration: none;
}

.offline-note a:hover {
  color: var(--accent-bright);
}

kbd {
  min-width: 22px;
  height: 22px;
  padding: 0 5px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--border);
  border-bottom-color: var(--border-strong);
  border-radius: 3px;
  color: var(--text);
  background: var(--surface);
  font: 0.64rem var(--sans);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

[hidden] {
  display: none !important;
}

noscript {
  position: fixed;
  right: 16px;
  bottom: 16px;
  padding: 12px;
  color: white;
  background: #8a261f;
}

@media (max-width: 720px) {
  .site-header {
    min-height: 70px;
  }

  .wordmark > span:last-child {
    display: none;
  }

  .select-wrap select {
    max-width: 205px;
  }

  main {
    padding-top: 38px;
  }

  .verse-card {
    min-height: 280px;
    padding: 46px 28px 50px;
  }

  .nav-side {
    width: 42px;
    height: 64px;
  }

  .nav-side.previous {
    left: 0;
  }

  .nav-side.next {
    right: 0;
  }

  .nav-side .arrow {
    font-size: 2rem;
  }

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

  .source-toggle {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .minimal-toggle {
    grid-column: 1 / -1;
    grid-row: 3;
  }

  .nav-bottom strong {
    font-size: 0.8rem;
  }

  .source-toggle,
  .minimal-toggle {
    min-height: 56px;
  }

  footer {
    justify-content: center;
    text-align: center;
  }

  .shortcuts {
    display: none;
  }
}

@media (max-width: 420px) {
  .site-header {
    width: calc(100% - 24px);
  }

  .select-wrap select {
    width: 170px;
  }

  main {
    padding-inline: 12px;
  }

  .reference-search input {
    padding-inline: 13px;
  }

  .reference-search button {
    padding-inline: 13px;
  }

  blockquote {
    font-size: 1.42rem;
  }

  footer {
    width: calc(100% - 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}