:root {
  color-scheme: light;
  --bg: #f3efe8;
  --surface: rgba(255, 255, 255, 0.84);
  --surface-strong: #fffdf8;
  --text: #191714;
  --muted: #6b645d;
  --accent: #111111;
  --accent-contrast: #ffffff;
  --line: rgba(25, 23, 20, 0.1);
  --reader-bg: #fbf8f2;
  --reader-scale: 1;
  --focus-letter: #c83a32;
  --radius: 22px;
  --shadow: 0 24px 60px rgba(19, 14, 11, 0.08);
  --font-ui: "Segoe UI", "Aptos", sans-serif;
  --font-display: Georgia, "Times New Roman", serif;
}

body[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101214;
  --surface: rgba(22, 25, 28, 0.84);
  --surface-strong: #171a1d;
  --text: #f5f2eb;
  --muted: #a69f97;
  --accent: #f5f2eb;
  --accent-contrast: #101214;
  --line: rgba(255, 255, 255, 0.1);
  --reader-bg: #121518;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

body[data-font="serif"] {
  --font-display: Georgia, "Times New Roman", serif;
}

body[data-font="sans"] {
  --font-display: "Segoe UI", "Aptos", sans-serif;
}

body[data-font="mono"] {
  --font-display: "Consolas", "Courier New", monospace;
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
}

body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-ui);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.6), transparent 25%),
    linear-gradient(180deg, var(--bg) 0%, #e9e3d9 100%);
}

body[data-theme="dark"] {
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.05), transparent 25%),
    linear-gradient(180deg, var(--bg) 0%, #0b0d0f 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 100% 28px;
  opacity: 0.5;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 20;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-contrast);
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.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;
}

.app-shell {
  width: calc(100% - 2rem);
  max-width: 100%;
  margin: 0 auto;
  height: 100dvh;
  padding: 1rem 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 1rem;
  position: relative;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 1rem;
  min-width: 0;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(12px);
  overflow: hidden;
  transition:
    opacity 180ms ease,
    transform 180ms ease,
    max-height 180ms ease,
    padding 180ms ease,
    border-width 180ms ease,
    margin 180ms ease;
  max-height: 5rem;
}

.brand {
  display: flex;
  align-items: baseline;
  flex: 1 1 auto;
  gap: 0.65rem;
  min-width: 0;
  flex-wrap: wrap;
}

.brand h1,
.eyebrow {
  margin: 0;
}

.eyebrow {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.brand h1 {
  font-size: 1rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tabs {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  gap: 0.4rem;
  justify-content: center;
  min-width: 0;
}

.tab-button {
  border: 0;
  border-radius: 999px;
  padding: 0.7rem 1rem;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.tab-button.is-active {
  background: var(--accent);
  color: var(--accent-contrast);
}

.tab-button:hover {
  background: color-mix(in srgb, var(--surface-strong) 78%, transparent);
  color: var(--text);
}

.tab-button.is-active:hover {
  background: var(--accent);
  color: var(--accent-contrast);
}

.tab-button-icon {
  justify-self: end;
  display: inline-grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  padding: 0;
}

.gear-icon {
  display: inline-block;
  font-size: 1.45rem;
  line-height: 1;
  transform: translateY(-0.02em);
}

.panels {
  min-height: 0;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.panel-view {
  position: absolute;
  inset: 0;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(4%);
  transition: transform 220ms ease, opacity 220ms ease, visibility 0s linear 220ms;
}

.panel-view.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(0);
  transition: transform 220ms ease, opacity 220ms ease, visibility 0s;
}

.panel-view[data-state="before"] {
  transform: translateX(-4%);
}

.panel-view[data-state="after"] {
  transform: translateX(4%);
}

#panel-settings.is-active,
#panel-reader.is-active,
#panel-prepare.is-active {
  height: 100%;
}

.panel-card,
.reader-panel {
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.panel-card-wide {
  width: min(100%, 780px);
  height: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 0.95rem;
}

.section-copy h2 {
  margin: 0;
  font-size: 1.2rem;
}

.section-copy p {
  margin: 0.4rem 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.input-group,
.control {
  margin-top: 0.6rem;
}

.input-group {
  display: grid;
  gap: 0.45rem;
  min-height: 0;
}

.settings-grid {
  display: grid;
  gap: 1rem;
}

.source-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: start;
  align-content: start;
  min-height: 0;
}

.source-picker {
  display: inline-grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  gap: 0.35rem;
  padding: 0.25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-strong);
  justify-self: start;
  align-self: start;
  max-width: 100%;
}

.source-button {
  border: 0;
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease;
}

.source-button.is-active {
  background: var(--accent);
  color: var(--accent-contrast);
}

.source-button:hover {
  background: color-mix(in srgb, var(--surface-strong) 88%, var(--text) 12%);
  color: var(--text);
}

.source-button.is-active:hover {
  background: var(--accent);
  color: var(--accent-contrast);
}

.source-workspace {
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

.source-pane {
  display: none;
  height: 100%;
  min-height: 0;
}

.source-pane.is-active {
  display: grid;
  min-height: 0;
  align-content: stretch;
}

.source-pane .input-group {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0.45rem;
  height: 100%;
  min-height: 0;
  margin-top: 0;
}

.source-pane textarea,
.preview-field {
  height: 100%;
  min-height: 0;
}

.source-pane input[type="url"],
.source-pane input[type="file"] {
  min-height: 3rem;
}

.settings-grid {
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  min-height: 0;
  padding-top: 0.35rem;
  padding-bottom: 0.35rem;
}

.settings-shell {
  width: min(100%, 960px);
  height: 100%;
  margin: 0 auto;
  display: grid;
  align-content: start;
  min-height: 0;
  overflow-y: auto;
  padding: 0 0.1rem 0.2rem;
  scrollbar-gutter: stable;
}

.settings-grid .panel-card {
  height: auto;
  display: grid;
  align-content: start;
  gap: 0.75rem;
  padding: 1rem 1rem 1.05rem;
}

.panel-card-settings {
  width: min(100%, 720px);
  margin: 0 auto;
}

.settings-section {
  display: grid;
  gap: 0.3rem;
}

.settings-section h3 {
  margin: 0;
  font-size: 0.95rem;
}

.prepare-status-row {
  min-height: 1.2rem;
}

.prepare-status-text {
  padding-inline: 0.2rem;
}

.compact-controls {
  display: grid;
  grid-template-columns: minmax(0, 5.25rem) minmax(0, 1fr) minmax(0, 3.2rem);
  gap: 0.65rem;
  align-items: end;
}

.control-compact {
  margin-top: 0.45rem;
}

.control-compact input[type="color"],
.control-compact select {
  min-height: 2.45rem;
}

.control-color-compact {
  width: 3.2rem;
}

.control-color-compact input[type="color"] {
  width: 100%;
  min-height: 2.25rem;
  padding: 0.14rem;
  border-radius: 999px;
}

.theme-segmented {
  display: inline-grid;
  grid-auto-flow: column;
  gap: 0.24rem;
  width: fit-content;
  padding: 0.22rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-strong);
}

.theme-segmented-inline {
  justify-self: start;
}

.theme-button {
  border: 0;
  min-width: 2.1rem;
  height: 2.1rem;
  padding: 0 0.62rem;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 1rem;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease;
}

.theme-button.is-active {
  background: var(--accent);
  color: var(--accent-contrast);
}

.theme-button:hover {
  background: color-mix(in srgb, var(--surface-strong) 84%, var(--text) 16%);
  color: var(--text);
}

.theme-button.is-active:hover {
  background: var(--accent);
  color: var(--accent-contrast);
}

.theme-button:focus {
  box-shadow: 0 0 0 3px rgba(17, 17, 17, 0.12);
}

label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
}

textarea,
input[type="url"],
input[type="file"],
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-strong);
  color: var(--text);
  font: inherit;
}

textarea,
input[type="url"],
select {
  padding: 0.72rem 0.9rem;
}

textarea {
  resize: none;
  line-height: 1.5;
  min-height: 0;
  height: 100%;
}

input[type="file"] {
  padding: 0.75rem;
}

textarea:focus,
input:focus,
select:focus,
button:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(17, 17, 17, 0.12);
}

body[data-theme="dark"] textarea:focus,
body[data-theme="dark"] input:focus,
body[data-theme="dark"] select:focus,
body[data-theme="dark"] button:focus {
  box-shadow: 0 0 0 3px rgba(245, 242, 235, 0.18);
}

.button {
  border: 0;
  border-radius: 999px;
  padding: 0.8rem 1.1rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.button:disabled,
.button[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.button-inline {
  padding: 0.38rem 0.78rem;
  background: transparent;
  color: var(--muted);
  box-shadow: inset 0 0 0 1px var(--line);
  opacity: 0;
  visibility: hidden;
  transform: translateX(0.25rem);
  transition:
    opacity 140ms ease,
    visibility 0s linear 140ms,
    transform 140ms ease,
    background 160ms ease,
    color 160ms ease,
    box-shadow 160ms ease;
}

.button-inline-static {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.button-inline:hover {
  background: color-mix(in srgb, var(--surface-strong) 72%, transparent);
  color: var(--text);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--line) 70%, var(--text) 30%);
}

.preview-field {
  background: color-mix(in srgb, var(--surface-strong) 92%, transparent);
  color: var(--muted);
}

.button-primary {
  background: var(--accent);
  color: var(--accent-contrast);
}

.button-secondary {
  background: var(--surface-strong);
  color: var(--text);
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary:hover {
  box-shadow: 0 10px 24px rgba(17, 17, 17, 0.14);
}

.button-primary:disabled:hover,
.button-secondary:disabled:hover,
.button-inline:disabled:hover {
  background: inherit;
  color: inherit;
  box-shadow: none;
  transform: none;
}

.button-secondary:hover {
  background: color-mix(in srgb, var(--surface-strong) 82%, var(--text) 18%);
}

.status-text,
.reader-context,
.reader-meta {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.reader-panel {
  position: relative;
  height: 100%;
  overflow: hidden;
  background: var(--surface-strong);
  padding-inline: 0.8rem;
}

.reader-stage {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  align-content: center;
  padding: 4.4rem 1rem 4.75rem;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 2px);
  background: var(--reader-bg);
  text-align: center;
  overflow: hidden;
}

.reader-progress {
  position: absolute;
  left: 0.9rem;
  right: 0.9rem;
  bottom: 1rem;
  z-index: 10;
  padding: 0.12rem 0.1rem 0.18rem;
  transition: opacity 180ms ease;
}

.reader-word {
  position: relative;
  z-index: 2;
  width: min(100%, 24ch);
  min-height: 1.2em;
  font-family: var(--font-display);
  font-size: calc(clamp(2.8rem, 8.8vw, 7rem) * var(--reader-scale));
  line-height: 1;
  letter-spacing: 0.01em;
}

.reader-measure {
  position: absolute;
  top: 0;
  left: -9999px;
  z-index: -1;
  visibility: hidden;
  width: auto;
  min-width: 0;
  max-width: none;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 8.8vw, 7rem);
  line-height: 1;
  letter-spacing: 0.01em;
  white-space: nowrap;
  pointer-events: none;
}

.reader-chunk {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  width: 100%;
  min-height: 1.2em;
}

.chunk-pre,
.chunk-focus,
.chunk-post {
  position: static;
  white-space: nowrap;
  transform: none;
}

.chunk-pre {
  justify-self: end;
  padding-right: 0.06em;
  text-align: right;
}

.chunk-focus {
  justify-self: center;
}

.chunk-post {
  justify-self: start;
  padding-left: 0.06em;
}

.focus-letter {
  color: var(--focus-letter);
}

.focus-line {
  position: absolute;
  top: 18%;
  bottom: 18%;
  left: 50%;
  width: 1px;
  background: color-mix(in srgb, var(--focus-letter) 55%, transparent);
  transform: translateX(-50%);
  opacity: 0.85;
}

.focus-arrows {
  position: absolute;
  inset: 50% 0 auto 0;
  z-index: 1;
  pointer-events: none;
}

.focus-arrow {
  position: absolute;
  top: 0;
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  opacity: 0.8;
}

.focus-arrow-left {
  left: calc(50% - 5rem);
  border-right: 12px solid color-mix(in srgb, var(--focus-letter) 72%, transparent);
}

.focus-arrow-right {
  right: calc(50% - 5rem);
  border-left: 12px solid color-mix(in srgb, var(--focus-letter) 72%, transparent);
}

.reader-context {
  position: absolute;
  left: 50%;
  bottom: 2.3rem;
  z-index: 2;
  max-width: 42rem;
  width: min(100% - 2rem, 42rem);
  margin: 0;
  transform: translateX(-50%);
  pointer-events: none;
  text-align: center;
}

.reader-overlay {
  position: absolute;
  left: 1rem;
  right: 1rem;
  z-index: 13;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 253, 248, 0.9);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(12px);
  pointer-events: none;
  opacity: 0;
  transition: transform 180ms ease, opacity 180ms ease;
}

body[data-theme="dark"] .reader-overlay {
  background: rgba(23, 26, 29, 0.9);
}

.reader-overlay-top {
  top: 1rem;
  transform: translateY(-0.75rem);
}

.reader-overlay-bottom {
  bottom: 1rem;
  transform: translateY(0.75rem);
}

.reader-panel.controls-open .reader-overlay {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.overlay-grid {
  display: grid;
  gap: 0.85rem;
  align-items: end;
}

.overlay-grid-visual {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.55rem;
}

.overlay-grid-cadence {
  grid-template-columns: minmax(0, 8.8rem) minmax(0, 1fr);
  align-items: center;
}

.overlay-field-chunk select {
  min-width: 7.8rem;
}

.overlay-field {
  display: grid;
  gap: 0.45rem;
  min-width: 0;
}

.overlay-slider-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.6rem;
}

.overlay-value {
  min-width: 3.8rem;
  text-align: right;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}

.overlay-field input[type="color"] {
  width: 3rem;
  min-height: 2.45rem;
  padding: 0.2rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  overflow: hidden;
}

.overlay-field-font select {
  min-width: 5rem;
}

.overlay-field-scale select {
  min-width: 4.3rem;
}

.overlay-field input[type="color"] {
  width: 100%;
  min-height: 100%;
  padding: 0.14rem;
}

.overlay-field input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

.overlay-field input[type="color"]::-webkit-color-swatch {
  border: 0;
  border-radius: 999px;
}

.overlay-field input[type="color"]::-moz-color-swatch {
  border: 0;
  border-radius: 999px;
}

.overlay-toggle-row {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.45rem;
  align-items: center;
  min-width: 0;
  margin-left: auto;
}

.overlay-toggle-row label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  line-height: 1.45;
}

.overlay-toggle-row .overlay-field-color {
  width: 2.3rem;
  min-width: 2.3rem;
  height: 2.3rem;
}

.overlay-field-cpm {
  align-self: center;
}

.chip-toggle {
  position: relative;
  min-height: 2.3rem;
  min-width: 2.3rem;
  padding: 0.48rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--muted);
  font-weight: 600;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.chip-icon {
  display: inline-grid;
  place-items: center;
  width: 1.1rem;
  height: 1.1rem;
}

.chip-icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  stroke-width: 2.1;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.chip-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.chip-toggle input:checked + span {
  color: var(--accent-contrast);
}

.chip-toggle input:checked + span,
.chip-toggle input:checked + span::before {
  opacity: 1;
}

.chip-toggle:focus-within {
  outline: 3px solid rgba(17, 17, 17, 0.12);
  outline-offset: 2px;
}

body[data-theme="dark"] .chip-toggle:focus-within {
  outline: 3px solid rgba(245, 242, 235, 0.18);
}

.chip-toggle input:checked + span {
  position: relative;
  z-index: 1;
}

.chip-toggle input:checked + span::before {
  content: "";
  position: absolute;
  inset: -0.55rem -0.9rem;
  z-index: -1;
  border-radius: 999px;
  background: var(--accent);
  opacity: 1;
}

.chip-toggle span::before {
  opacity: 0;
  transition: opacity 180ms ease;
}

.overlay-progress {
  display: grid;
  gap: 0.04rem;
}

.utility-footer {
  display: grid;
  gap: 0.8rem;
  padding: 0.68rem 0.9rem 0.82rem;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 253, 248, 0.92);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(12px);
  transition:
    opacity 180ms ease,
    transform 180ms ease,
    max-height 180ms ease,
    padding 180ms ease,
    border-width 180ms ease,
    margin 180ms ease;
  overflow: hidden;
  max-height: 6rem;
  min-height: 5.35rem;
}

.prepare-footer-row {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

body[data-theme="dark"] .utility-footer {
  background: rgba(23, 26, 29, 0.92);
}

.utility-footer {
  position: relative;
  min-height: 0;
}

.reader-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.05rem 0.8rem;
  line-height: 1.2;
  font-size: 0.84rem;
}

#progressBar {
  width: 100%;
  height: 0.7rem;
  margin: 0;
  padding: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

.transport-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.6rem;
}

.transport {
  margin-top: 0;
  display: grid;
  grid-template-columns: auto auto auto;
  width: auto;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
}

.transport .button {
  min-width: 0;
}

.transport .button-secondary {
  width: auto;
  justify-self: center;
  padding-inline: 0.95rem;
}

#playPauseButton {
  justify-self: center;
  width: auto;
  min-width: 4.9rem;
}

.reader-menu-button {
  min-width: 0;
  width: 2.9rem;
  height: 2.9rem;
  padding: 0;
  font-size: 1.2rem;
  line-height: 1;
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
}

.menu-icon {
  display: grid;
  gap: 0.22rem;
  align-content: center;
  justify-items: center;
  line-height: 0;
}

.menu-icon span {
  display: block;
  width: 1rem;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.checkbox-control label {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0;
  line-height: 1.45;
}

input[type="checkbox"] {
  inline-size: 1.1rem;
  block-size: 1.1rem;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

body.hide-idle-controls #readerVisualBar,
body.hide-idle-controls #readerCadenceBar {
  display: none;
}

body[data-active-tab="prepare"] .utility-footer,
body[data-active-tab="settings"] .utility-footer {
  transition: none;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: none;
}

body[data-active-tab="prepare"] .utility-footer {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
}

body[data-active-tab="prepare"] .transport-row {
  display: none;
}

body[data-active-tab="reader"] .prepare-footer-row {
  display: none;
}

body[data-active-tab="settings"] .prepare-footer-row,
body[data-active-tab="settings"] .transport-row {
  display: none;
}

body.playing-focus {
  overflow: hidden;
}

body.playing-focus .topbar,
body.playing-focus .utility-footer {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(0.65rem);
}

body.playing-focus .app-shell {
  width: 100%;
  max-width: 100%;
  height: 100dvh;
  padding: 0;
}

body.playing-focus .reader-panel {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

body.playing-focus .reader-stage {
  padding: 0 1rem;
  border: 0;
  border-radius: 0;
  background: transparent;
}

body.playing-focus .reader-overlay {
  opacity: 0;
  pointer-events: none;
}

body.playing-focus .reader-progress {
  opacity: 0;
  pointer-events: none;
}

body.playing-focus .reader-context {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 760px) {
  :root {
  }
  .app-shell {
    width: calc(100% - 1rem);
  }

  .topbar,
  .brand {
    gap: 0.75rem;
  }

  .brand {
    display: none;
  }

  .settings-grid {
    display: grid;
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .source-picker {
    width: 100%;
    grid-auto-columns: minmax(0, 1fr);
  }

  .source-toolbar {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }

  .tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tab-button {
    padding-inline: 0.75rem;
  }

  .tab-button-icon {
    width: 100%;
    height: 2.75rem;
  }

  .gear-icon {
    font-size: 1.35rem;
  }

  .compact-controls {
    grid-template-columns: minmax(0, 4.7rem) minmax(0, 1fr) minmax(0, 3rem);
    gap: 0.55rem;
  }

  .reader-stage {
    padding: 4rem 0.8rem 4.6rem;
  }

  .reader-word {
    width: min(100%, 18ch);
    font-size: calc(clamp(2.35rem, 13vw, 4.65rem) * var(--reader-scale));
  }

  .reader-overlay {
    left: 0.7rem;
    right: 0.7rem;
    padding: 0.7rem 0.75rem;
  }

  .overlay-grid-visual {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0.45rem;
  }

  .overlay-grid-cadence {
    grid-template-columns: minmax(0, 7.2rem) minmax(0, 1fr);
  }

  .overlay-field-font,
  .overlay-field-scale {
    grid-row: 1;
  }

  .overlay-toggle-row {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: space-between;
    margin-left: 0;
    gap: 0.4rem;
  }

  .reader-overlay-bottom {
    bottom: 0.7rem;
  }

  .utility-footer {
    padding: 0.62rem 0.75rem 0.76rem;
  }

  .reader-progress {
    left: 0.7rem;
    right: 0.7rem;
    bottom: 0.7rem;
    padding: 0.08rem 0.05rem 0.14rem;
  }

  .reader-meta {
    gap: 0.2rem 0.7rem;
    font-size: 0.8rem;
  }

  .transport-row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.45rem;
  }

  .transport {
    grid-template-columns: auto auto auto;
    gap: 0.4rem;
  }

  .button {
    padding: 0.72rem 0.9rem;
  }

  .transport .button-secondary {
    padding-inline: 0.8rem;
  }

  .reader-menu-button {
    width: 2.75rem;
    height: 2.75rem;
  }

  .reader-context {
    display: none;
  }

  .settings-shell {
    padding-inline: 0;
  }

  .source-workspace {
    padding-bottom: 0.3rem;
  }

  body.playing-focus .reader-stage {
    padding: 4rem 0.8rem 4.6rem;
  }
}

@media (max-height: 520px) and (orientation: landscape) {
  .reader-overlay {
    padding: 0.5rem 0.6rem;
  }

  .reader-overlay-top {
    top: 0.6rem;
  }

  .reader-overlay-bottom {
    bottom: 0.5rem;
  }

  .overlay-grid-visual {
    gap: 0.3rem;
  }

  .overlay-grid-cadence {
    grid-template-columns: minmax(0, 6.8rem) minmax(0, 1fr);
  }

  .overlay-field-font select {
    min-width: 4.6rem;
  }

  .overlay-field-scale select {
    min-width: 4rem;
  }

  .overlay-field-chunk select {
    min-width: 6.8rem;
  }

  .overlay-toggle-row {
    gap: 0.3rem;
  }

  .theme-button {
    min-width: 1.95rem;
    height: 1.95rem;
    padding-inline: 0.5rem;
  }

  .chip-toggle {
    min-height: 2rem;
    min-width: 2rem;
    padding: 0.34rem 0.46rem;
  }

  .overlay-field input[type="color"] {
    width: 100%;
    min-height: 100%;
  }

  .overlay-toggle-row .overlay-field-color {
    width: 2.35rem;
    min-width: 2.35rem;
    height: 2rem;
  }
}