:root {
  color-scheme: light dark;
  --bg: #f7f4ef;
  --panel: #fffdf9;
  --text: #262a2f;
  --muted: #69716b;
  --line: #d8d2c8;
  --accent: #557d69;
  --accent-strong: #365c4b;
  --reader-font: "Literata", Georgia, "Times New Roman", serif;
  --reader-size: 17px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 Georgia, "Times New Roman", serif;
}

body.dark {
  --bg: #18191b;
  --panel: #202225;
  --text: #eee9e1;
  --muted: #aeb6af;
  --line: #3a3e42;
  --accent: #90b6a3;
  --accent-strong: #b7d5c7;
}

.topbar {
  padding: 16px clamp(14px, 3vw, 34px);
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 2;
}

h1, h2, p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 24px;
  letter-spacing: 0;
}

.topbar p, .muted {
  color: var(--muted);
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 20px;
  padding: 20px clamp(14px, 3vw, 34px);
}

.reader-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

body.split .reader-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

#pane-b {
  display: none;
}

body.split #pane-b {
  display: block;
}

.reader, aside, .settings-panel, .transport, .reader-toolbar {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.reader.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.reader-toolbar,
.transport {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 10px clamp(14px, 3vw, 34px);
  margin: 14px clamp(14px, 3vw, 34px) 0;
  font-family: system-ui, sans-serif;
}

.transport {
  margin-top: 8px;
}

.toolbar-controls {
  flex: 1;
  min-width: 0;
}

.toolbar-controls .reader-controls {
  padding: 0;
  border-bottom: 0;
}

.reader > .reader-controls {
  display: none;
}

.toolbar-controls > .reader-controls {
  display: flex;
}

.transport input[type="range"] {
  flex: 1;
}

.reader-toolbar button,
.transport button,
.settings-panel select,
.settings-panel input,
.settings-panel button {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  padding: 6px 10px;
  font: 14px/1.2 system-ui, sans-serif;
}

.icon-button {
  width: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icon-button svg,
.theme-switch svg {
  width: 19px;
  height: 19px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-button .icon-locked {
  display: none;
}

.icon-button.active .icon-unlocked {
  display: none;
}

.icon-button.active .icon-locked {
  display: block;
}

.reader-toolbar button.active,
.transport button.active {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.theme-switch {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font: 14px/1.2 system-ui, sans-serif;
  white-space: nowrap;
}

.theme-switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.switch-track {
  width: 46px;
  height: 24px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  position: relative;
}

.switch-track::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  left: 2px;
  top: 2px;
  border-radius: 50%;
  background: var(--accent);
  transition: transform 0.16s ease;
}

.theme-switch input:checked + .switch-track::after {
  transform: translateX(22px);
}

.settings-panel {
  display: flex;
  gap: 16px;
  align-items: center;
  margin: 10px clamp(14px, 3vw, 34px) 0;
  padding: 12px;
  font-family: system-ui, sans-serif;
}

.settings-panel[hidden] {
  display: none;
}

.settings-panel label {
  display: flex;
  gap: 8px;
  align-items: center;
}

.reader-controls, .chapter-nav {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 0;
  border-bottom: 1px solid var(--line);
}

.reader-controls select,
.reader-controls button,
.chapter-nav a,
.chapter-nav button,
.search input {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  padding: 6px 10px;
  font: 15px/1.2 system-ui, sans-serif;
}

.reader-controls select:nth-child(2) {
  flex: 1;
}

.chapter-nav {
  justify-content: center;
}

.chapter-nav a,
.chapter-nav button {
  text-decoration: none;
}

.chapter-nav a {
  color: var(--accent-strong);
}

.verses {
  padding: 18px clamp(16px, 3vw, 36px);
  font-family: var(--reader-font);
  font-size: var(--reader-size);
  line-height: 1.6;
}

.verses p {
  margin-bottom: 14px;
}

.verses sup {
  color: var(--accent);
  font-weight: 700;
  padding-right: 6px;
}

aside {
  padding: 16px;
}

.search {
  width: 100%;
  margin-bottom: 16px;
  font-family: system-ui, sans-serif;
}

.search label {
  display: block;
  font-weight: 700;
  margin-bottom: 6px;
}

.search input {
  width: 100%;
}

.search-hit {
  display: block;
  color: inherit;
  text-decoration: none;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.search-hit strong,
.search-hit span {
  display: block;
}

.search-hit span {
  color: var(--muted);
  margin-top: 4px;
}

@media (prefers-color-scheme: dark) {
  body:not(.light) {
    --bg: #18191b;
    --panel: #202225;
    --text: #eee9e1;
    --muted: #aeb6af;
    --line: #3a3e42;
    --accent: #90b6a3;
    --accent-strong: #b7d5c7;
  }
}

@media (max-width: 860px) {
  .topbar, .layout {
    display: block;
  }

  body.split .reader-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .reader-toolbar, .transport, .settings-panel {
    flex-wrap: wrap;
  }

  .toolbar-controls {
    flex-basis: 100%;
  }

  aside {
    margin-top: 16px;
  }

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

  .reader-controls select {
    width: 100%;
  }
}