:root {
  color-scheme: dark;
  --background: #2e3440;
  --text: #d8dee9;
  --muted: #8192aa;
  --line: #4c566a;
  --heading: #eceff4;
  --link: #88c0d0;
  --panel: #3b4252;
  --hover: #353c4a;
  --cover: rgb(46 52 64 / 94%);
  --scrollbar: #607089;
  --contrast-strength: 0%;
  --contrast-soften: 0%;
  --contrast-foreground: #fff;
  --contrast-background: #000;
  --display-background: var(--background);
  --display-text: var(--text);
  --display-muted: var(--muted);
  --display-line: var(--line);
  --display-heading: var(--heading);
  --display-link: var(--link);
  --display-panel: var(--panel);
  --display-hover: var(--hover);
  --display-cover: var(--cover);
  --display-scrollbar: var(--scrollbar);
  --ui-font: "EnvyCodeR Nerd Font", ui-monospace, "Cascadia Mono", "Segoe UI Mono", monospace;
  --reader-font: "Alegreya", Georgia, serif;
  --reader-tracking: 0.02em;
  --reader-width: 44ch;
  --reader-font-size: 36px;
  --reader-line-height: 1.28;
  font-family: var(--ui-font);
}

:root[data-font="system-sans"] {
  --reader-font: system-ui, -apple-system, "Segoe UI", sans-serif;
}

:root[data-font="noto-serif"] {
  --reader-font: "Noto Serif", Georgia, serif;
}

:root[data-font="literata"] {
  --reader-font: "Literata", Georgia, serif;
}

:root[data-font="source-serif"] {
  --reader-font: "Source Serif 4", Georgia, serif;
}

:root[data-font="lora"] {
  --reader-font: "Lora", Georgia, serif;
}

:root[data-font="atkinson"] {
  --reader-font: "Atkinson Hyperlegible", system-ui, sans-serif;
}

:root[data-font="crimson-pro"] {
  --reader-font: "Crimson Pro", Georgia, serif;
}

:root[data-font="alegreya"] {
  --reader-font: "Alegreya", Georgia, serif;
}

:root[data-font="eb-garamond"] {
  --reader-font: "EB Garamond", Georgia, serif;
}

:root[data-font="merriweather"] {
  --reader-font: "Merriweather", Georgia, serif;
}

:root[data-font="envy-code-r-nerd"] {
  --reader-font: "EnvyCodeR Nerd Font", ui-monospace, monospace;
}

:root[data-font="system-mono"] {
  --reader-font: ui-monospace, "Cascadia Mono", "Segoe UI Mono", "Liberation Mono", Consolas, monospace;
}

:root[data-palette="charcoal"] {
  --background: #121212;
  --text: #dedad1;
  --muted: #77746e;
  --line: #373532;
  --heading: #eeeae1;
  --link: #bcb6aa;
  --panel: #1d1c1a;
  --hover: #181817;
  --cover: rgb(18 18 18 / 92%);
  --scrollbar: #47443f;
}

:root[data-palette="geany"] {
  --background: #333d4d;
  --text: #b7c7c2;
  --muted: #648d85;
  --line: #536665;
  --heading: #d2ddd8;
  --link: #83aaa2;
  --panel: #2d3548;
  --hover: #374a5d;
  --cover: rgb(45 53 72 / 94%);
  --scrollbar: #648d85;
}

:root[data-palette="midnight"] {
  --background: #0d1520;
  --text: #cfdae5;
  --muted: #71869b;
  --line: #29394a;
  --heading: #e5edf5;
  --link: #8ab4d8;
  --panel: #152231;
  --hover: #111d2a;
  --cover: rgb(13 21 32 / 94%);
  --scrollbar: #49657e;
}

:root[data-palette="sepia"] {
  --background: #241d16;
  --text: #dfcfb7;
  --muted: #9b8465;
  --line: #4b3d2d;
  --heading: #f1e0c5;
  --link: #c9a66b;
  --panel: #30261c;
  --hover: #392d21;
  --cover: rgb(36 29 22 / 94%);
  --scrollbar: #725c42;
}

:root[data-palette="forest"] {
  --background: #101914;
  --text: #d2dfd4;
  --muted: #718c76;
  --line: #2c4333;
  --heading: #e4eee5;
  --link: #8dbb96;
  --panel: #18261d;
  --hover: #142018;
  --cover: rgb(16 25 20 / 94%);
  --scrollbar: #496c51;
}

:root[data-palette="paper"] {
  color-scheme: light;
  --contrast-foreground: #000;
  --contrast-background: #fff;
  --background: #e8e1d3;
  --text: #302d28;
  --muted: #746c60;
  --line: #c3b9a8;
  --heading: #1f1d1a;
  --link: #496b73;
  --panel: #d9d0bf;
  --hover: #ded6c7;
  --cover: rgb(232 225 211 / 94%);
  --scrollbar: #998f7f;
}

:root[data-palette="nord"] {
  --background: #2e3440;
  --text: #d8dee9;
  --muted: #8192aa;
  --line: #4c566a;
  --heading: #eceff4;
  --link: #88c0d0;
  --panel: #3b4252;
  --hover: #353c4a;
  --cover: rgb(46 52 64 / 94%);
  --scrollbar: #607089;
}

:root[data-palette="solarized"] {
  --background: #002b36;
  --text: #93a1a1;
  --muted: #657b83;
  --line: #164550;
  --heading: #eee8d5;
  --link: #2aa198;
  --panel: #073642;
  --hover: #05333e;
  --cover: rgb(0 43 54 / 94%);
  --scrollbar: #47727a;
}

:root[data-palette="gruvbox"] {
  --background: #282828;
  --text: #ebdbb2;
  --muted: #a89984;
  --line: #504945;
  --heading: #fbf1c7;
  --link: #83a598;
  --panel: #3c3836;
  --hover: #32302f;
  --cover: rgb(40 40 40 / 94%);
  --scrollbar: #665c54;
}

:root[data-palette="plum"] {
  --background: #211924;
  --text: #dacdda;
  --muted: #907c91;
  --line: #4b3b50;
  --heading: #f0e5ef;
  --link: #bda4c8;
  --panel: #302435;
  --hover: #2a202e;
  --cover: rgb(33 25 36 / 94%);
  --scrollbar: #66536c;
}

:root[data-palette="flexoki-dark"] {
  --background: #100f0f;
  --text: #cecdc3;
  --muted: #878580;
  --line: #343331;
  --heading: #e6e4d9;
  --link: #4385be;
  --panel: #1c1b1a;
  --hover: #282726;
  --cover: rgb(16 15 15 / 94%);
  --scrollbar: #575653;
}

:root[data-palette="catppuccin-mocha"] {
  --background: #1e1e2e;
  --text: #cdd6f4;
  --muted: #9399b2;
  --line: #45475a;
  --heading: #f5e0dc;
  --link: #89b4fa;
  --panel: #181825;
  --hover: #313244;
  --cover: rgb(30 30 46 / 94%);
  --scrollbar: #585b70;
}

:root[data-palette="hackerman"] {
  --background: #080d0d;
  --text: #a8d5ca;
  --muted: #527d78;
  --line: #224a46;
  --heading: #c7f0e6;
  --link: #43bfae;
  --panel: #0e1918;
  --hover: #12221f;
  --cover: rgb(8 13 13 / 95%);
  --scrollbar: #2f7068;
}

:root[data-palette="lumon"] {
  --background: #0e1a26;
  --text: #d6e0e2;
  --muted: #79a6b9;
  --line: #294758;
  --heading: #f3ffff;
  --link: #afcbd6;
  --panel: #142635;
  --hover: #19303e;
  --cover: rgb(14 26 38 / 95%);
  --scrollbar: #3e6a78;
}

:root[data-palette="vantablack"] {
  --background: #000000;
  --text: #d8d8d2;
  --muted: #777772;
  --line: #292927;
  --heading: #f0f0eb;
  --link: #b6b6af;
  --panel: #070707;
  --hover: #111111;
  --cover: rgb(0 0 0 / 96%);
  --scrollbar: #3d3d3a;
}

:root[data-palette="black-gold"] {
  --background: #0d0d0d;
  --text: #ebdbb2;
  --muted: #8f8265;
  --line: #4a4434;
  --heading: #f6f1dd;
  --link: #bfa75d;
  --panel: #171612;
  --hover: #211f18;
  --cover: rgb(13 13 13 / 95%);
  --scrollbar: #6e6a58;
}

:root[data-view="home"] {
  color-scheme: dark;
  --background: #2e3440;
  --text: #d8dee9;
  --muted: #8192aa;
  --line: #4c566a;
  --heading: #eceff4;
  --link: #88c0d0;
  --panel: #3b4252;
  --hover: #353c4a;
  --cover: rgb(46 52 64 / 94%);
  --scrollbar: #607089;
  --contrast-strength: 0% !important;
  --contrast-soften: 0% !important;
}

@supports (color: color-mix(in srgb, white, black)) {
  :root {
    --display-background: color-mix(
      in srgb,
      var(--background),
      var(--contrast-background) var(--contrast-strength)
    );
    --display-text: color-mix(
      in srgb,
      color-mix(in srgb, var(--text), var(--background) var(--contrast-soften)),
      var(--contrast-foreground) var(--contrast-strength)
    );
    --display-muted: color-mix(
      in srgb,
      color-mix(in srgb, var(--muted), var(--background) var(--contrast-soften)),
      var(--contrast-foreground) var(--contrast-strength)
    );
    --display-line: color-mix(
      in srgb,
      color-mix(in srgb, var(--line), var(--background) var(--contrast-soften)),
      var(--contrast-foreground) var(--contrast-strength)
    );
    --display-heading: color-mix(
      in srgb,
      color-mix(in srgb, var(--heading), var(--background) var(--contrast-soften)),
      var(--contrast-foreground) var(--contrast-strength)
    );
    --display-link: color-mix(
      in srgb,
      color-mix(in srgb, var(--link), var(--background) var(--contrast-soften)),
      var(--contrast-foreground) var(--contrast-strength)
    );
    --display-panel: color-mix(
      in srgb,
      color-mix(in srgb, var(--panel), var(--background) var(--contrast-soften)),
      var(--contrast-background) var(--contrast-strength)
    );
    --display-hover: color-mix(
      in srgb,
      color-mix(in srgb, var(--hover), var(--background) var(--contrast-soften)),
      var(--contrast-background) var(--contrast-strength)
    );
    --display-cover: color-mix(
      in srgb,
      color-mix(in srgb, var(--cover), var(--background) var(--contrast-soften)),
      var(--contrast-background) var(--contrast-strength)
    );
    --display-scrollbar: color-mix(
      in srgb,
      color-mix(in srgb, var(--scrollbar), var(--background) var(--contrast-soften)),
      var(--contrast-foreground) var(--contrast-strength)
    );
  }
}

* {
  box-sizing: border-box;
}

html,
body,
#app {
  width: 100%;
  max-width: 100%;
  min-height: 100%;
  margin: 0;
  overflow-x: clip;
  background: var(--display-background);
}

body {
  color: var(--display-text);
  user-select: text;
}

html {
  scrollbar-color: var(--display-scrollbar) transparent;
  scrollbar-width: thin;
}

#drop-zone {
  position: relative;
  z-index: 5;
  display: grid;
  place-content: start center;
  gap: 0.65rem;
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  overflow: visible;
  padding: clamp(3rem, 8vh, 7rem) 3rem 3rem;
  color: var(--display-text);
  background: var(--display-background);
  cursor: default;
  font-family: var(--ui-font);
  font-size: clamp(16px, 1.2vw, 20px);
  letter-spacing: 0.015em;
}

#drop-zone::before {
  content: "";
  position: absolute;
  inset: 2rem;
  border: 1px dashed var(--display-line);
  border-radius: 1.25rem;
  transition: border-color 120ms ease, background-color 120ms ease;
  pointer-events: none;
}

#drop-zone:has(:focus-visible)::before,
body.is-dragging #drop-zone::before {
  border-color: var(--display-muted);
  background: var(--display-hover);
}

#drop-picker {
  position: relative;
  display: grid;
  place-items: center;
  gap: 0.65rem;
  border: 0;
  color: var(--display-text);
  background: transparent;
  cursor: pointer;
  font: inherit;
}

#drop-picker,
#recent-books,
#start-hotkeys,
#library-actions,
#library-manage-actions {
  justify-self: center;
  margin-inline: auto;
}

#drop-picker > span {
  font-size: clamp(1.25rem, 1.1em, 1.75rem);
  font-weight: 500;
  letter-spacing: 0.14em;
}

#drop-picker small {
  color: var(--display-muted);
  font-size: clamp(0.72rem, 0.62em, 0.9rem);
  letter-spacing: 0.14em;
}

#recent-books {
  position: relative;
  display: grid;
  gap: 0.45rem;
  width: min(64rem, calc(100vw - 6rem));
  margin-top: 1.4rem;
}

#recent-books > small {
  padding-inline: 0.4rem;
  color: var(--display-muted);
  font-size: clamp(0.7rem, 0.62em, 0.82rem);
  letter-spacing: 0.12em;
  text-align: center;
}

#recent-book-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 11rem));
  justify-content: center;
  gap: 1.2rem;
}

#recent-book-list .recent-book {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.55rem;
  width: 100%;
  padding: 0.5rem;
  border: 0;
  color: var(--display-muted);
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  font-size: clamp(0.82rem, 0.74em, 0.96rem);
  letter-spacing: 0.035em;
  text-align: left;
  line-height: 1.35;
  white-space: normal;
}

#recent-book-list.is-managing .recent-book::after {
  content: "";
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  display: grid;
  place-items: center;
  width: 1.65rem;
  height: 1.65rem;
  border: 1px solid var(--display-line);
  border-radius: 50%;
  color: var(--display-background);
  background: color-mix(in srgb, var(--display-background), transparent 18%);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--display-background), transparent 45%);
}

#recent-book-list.is-managing .recent-book.is-selected::after {
  content: "✓";
  border-color: var(--display-link);
  color: var(--display-background);
  background: var(--display-link);
  font-family: var(--ui-font);
  font-size: 1rem;
  font-weight: 700;
}

#recent-book-list.is-managing .recent-book.is-selected {
  color: var(--display-text);
  background: var(--display-hover);
  outline: 2px solid var(--display-link);
  outline-offset: 2px;
}

#recent-book-list .recent-book::before {
  content: "EPUB";
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 2 / 3;
  border: 1px solid var(--display-line);
  border-radius: 0.2rem;
  color: var(--display-muted);
  background: var(--display-panel);
  background-position: center;
  background-size: cover;
  font-family: var(--ui-font);
  font-size: 0.48rem;
  letter-spacing: 0.08em;
}

#recent-book-list .recent-book.has-cover::before {
  content: "";
  background-image: var(--recent-book-cover);
}

#recent-book-list .recent-book.is-client-only::before {
  border: 3px solid #080a0d;
  box-shadow: inset 0 0 0 1px rgb(255 255 255 / 8%);
}

#recent-book-list .recent-book.is-server-stored::before {
  border: 3px solid #e5e9f0;
  box-shadow: inset 0 0 0 1px rgb(0 0 0 / 42%);
}

#recent-book-list .recent-book-title,
#recent-book-list .recent-book-location {
  display: block;
  width: 100%;
  overflow-wrap: anywhere;
}

#recent-book-list .recent-book-location {
  color: var(--display-muted);
  font-size: 0.82em;
}

#recent-book-list .recent-book:is(:hover, :focus-visible) {
  color: var(--display-text);
  background: var(--display-hover);
}

#recent-book-list .recent-book:disabled {
  cursor: default;
  opacity: 0.62;
}

#start-hotkeys {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.72rem 2rem;
  width: min(50rem, calc(100vw - 6rem));
  margin-top: 1.2rem;
  color: var(--display-muted);
  font-size: clamp(0.82rem, 0.72em, 1rem);
  letter-spacing: 0.015em;
  line-height: 1.7;
  text-align: left;
}

#library-actions,
#library-manage-actions {
  position: relative;
  display: grid;
  gap: 0.65rem;
  width: min(50rem, calc(100vw - 6rem));
  margin-top: 1.2rem;
}

#library-actions {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

#library-manage-actions {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

#library-actions button,
#library-manage-actions button {
  min-height: 44px;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--display-line);
  border-radius: 0.4rem;
  color: var(--display-muted);
  background: var(--display-panel);
  cursor: pointer;
  font: inherit;
}

#library-actions button:is(:hover, :focus-visible),
#library-manage-actions button:is(:hover, :focus-visible) {
  color: var(--display-text);
  background: var(--display-hover);
}

#library-actions button:disabled,
#library-manage-actions button:disabled {
  cursor: default;
  opacity: 0.45;
}

#start-store-server:not(:disabled),
#start-remove-local:not(:disabled),
#start-remove-server:not(:disabled) {
  border-color: var(--display-link);
  color: var(--display-text);
}

#start-hotkeys > span,
#start-hotkeys > button,
#start-hotkeys > label {
  min-width: 0;
}

#start-hotkeys > button,
#start-hotkeys .start-tracking button {
  padding: 0;
  border: 0;
  color: var(--display-muted);
  background: transparent;
  cursor: pointer;
  font: inherit;
  line-height: inherit;
  text-align: left;
}

#start-hotkeys > button:is(:hover, :focus-visible),
#start-hotkeys .start-tracking button:is(:hover, :focus-visible) {
  color: var(--display-text);
}

#start-hotkeys > button:disabled {
  cursor: default;
  opacity: 0.45;
}

#start-hotkeys kbd {
  padding: 0.12rem 0.34rem;
  border: 1px solid var(--display-line);
  border-radius: 0.3rem;
  color: var(--display-text);
  background: var(--display-panel);
  font: inherit;
  font-size: 0.88em;
  white-space: nowrap;
}

.start-select,
.start-tracking {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.start-range {
  display: grid;
  gap: 0.25rem;
}

.start-contrast {
  grid-column: 1 / -1;
}

.start-wide {
  grid-column: 1 / -1;
  text-align: center !important;
}

.start-range > span {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
}

.range-stepper {
  --range-button-size: 44px;
  display: grid;
  grid-template-columns: var(--range-button-size) minmax(0, 1fr) var(--range-button-size);
  align-items: center;
  gap: 0.45rem;
  width: 100%;
  min-width: 0;
}

.range-stepper > button {
  display: grid;
  place-items: center;
  width: var(--range-button-size);
  min-width: var(--range-button-size);
  height: var(--range-button-size);
  min-height: var(--range-button-size);
  padding: 0;
}

.start-range input[type="range"],
#settings-panel input[type="range"] {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  margin: 0;
  accent-color: var(--display-link);
  touch-action: none;
}

#start-hotkeys .range-stepper button {
  border: 1px solid var(--display-line);
  border-radius: 0.35rem;
  color: var(--display-text);
  background: var(--display-panel);
  cursor: pointer;
  font: inherit;
}

#start-hotkeys .range-stepper button:is(:hover, :focus-visible) {
  background: var(--display-hover);
}

#start-hotkeys .range-stepper button:disabled {
  cursor: default;
  opacity: 0.4;
}

.start-select select,
#settings-panel select {
  min-width: 0;
  border: 1px solid var(--display-line);
  border-radius: 0.35rem;
  color: var(--display-text);
  background: var(--display-panel);
  font: inherit;
}

.start-select select {
  flex: 1;
  padding: 0.2rem 0.35rem;
}

@media (max-width: 620px), (pointer: coarse) and (hover: none) {
  .range-stepper {
    --range-button-size: 48px;
  }

  #drop-zone {
    padding: 3.5rem 2.5rem;
  }

  #recent-books,
  #start-hotkeys,
  #library-actions,
  #library-manage-actions {
    grid-template-columns: 1fr;
    gap: 0.62rem;
    width: min(24rem, calc(100vw - 5rem));
  }
}

#settings-menu {
  position: fixed;
  z-index: 40;
  top: calc(0.8rem + env(safe-area-inset-top, 0px));
  right: calc(0.8rem + env(safe-area-inset-right, 0px));
  font-family: var(--ui-font);
  letter-spacing: 0.02em;
}

#settings-toggle {
  position: relative;
  z-index: 2;
  display: grid;
  align-content: center;
  gap: 4px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid transparent;
  border-radius: 0.4rem;
  color: var(--display-text);
  background: var(--display-panel);
  cursor: pointer;
  font: inherit;
  opacity: 0.18;
  transition: opacity 120ms ease, border-color 120ms ease;
}

#settings-toggle > span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

#settings-toggle:is(:hover, :focus-visible),
#settings-toggle[aria-expanded="true"] {
  border-color: var(--display-line);
  opacity: 1;
}

#settings-panel {
  position: absolute;
  top: calc(100% + 0.4rem);
  right: 0;
  display: grid;
  gap: 0.72rem;
  width: min(19rem, calc(100vw - 1.6rem));
  max-height: calc(100dvh - 4rem - env(safe-area-inset-top, 0px));
  overflow-y: auto;
  padding: 1rem;
  border: 1px solid var(--display-line);
  border-radius: 0.65rem;
  color: var(--display-text);
  background: var(--display-cover);
  box-shadow: 0 0.8rem 2.5rem rgb(0 0 0 / 24%);
  font-size: 0.78rem;
  backdrop-filter: blur(10px);
}

#settings-panel strong {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}

#settings-panel label {
  display: grid;
  gap: 0.3rem;
  color: var(--display-muted);
}

#settings-panel label,
#settings-panel .settings-control {
  min-width: 0;
}

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

#settings-panel output {
  color: var(--display-text);
}

#settings-panel select {
  width: 100%;
  padding: 0.42rem 0.5rem;
}

.palette-picker {
  position: relative;
  min-width: 0;
}

#settings-palette-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  text-align: left;
}

#settings-palette-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.palette-chevron {
  flex: none;
  transition: transform 120ms ease;
}

#settings-palette-toggle[aria-expanded="true"] .palette-chevron {
  transform: rotate(180deg);
}

.palette-swatches {
  display: flex;
  flex: none;
  align-items: center;
  gap: 0.2rem;
}

.palette-swatches i {
  display: block;
  width: 0.62rem;
  height: 0.62rem;
  border: 1px solid rgb(255 255 255 / 22%);
  border-radius: 50%;
  background: var(--swatch-color);
  box-shadow: 0 0 0 1px rgb(0 0 0 / 18%);
}

.palette-options {
  position: absolute;
  z-index: 5;
  top: calc(100% + 0.3rem);
  right: 0;
  left: 0;
  display: grid;
  gap: 0.18rem;
  max-height: min(20rem, 52dvh);
  overflow-y: auto;
  padding: 0.3rem;
  border: 1px solid var(--display-line);
  border-radius: 0.4rem;
  background: var(--display-cover);
  box-shadow: 0 0.7rem 1.8rem rgb(0 0 0 / 28%);
  backdrop-filter: blur(10px);
}

.palette-options[hidden] {
  display: none;
}

#settings-panel .palette-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  width: 100%;
  text-align: left;
}

#settings-panel .palette-option[aria-selected="true"] {
  border-color: var(--display-text);
  background: var(--display-hover);
}

.settings-label {
  display: flex;
  justify-content: space-between;
  color: var(--display-muted);
}

.settings-row {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 0.38rem;
}

.settings-speech {
  grid-template-columns: 2fr 1fr 1fr;
}

#settings-speech-status {
  color: var(--display-muted);
  line-height: 1.45;
}

#settings-panel button {
  padding: 0.42rem 0.5rem;
  border: 1px solid var(--display-line);
  border-radius: 0.35rem;
  color: var(--display-text);
  background: var(--display-panel);
  cursor: pointer;
  font: inherit;
  font-size: 0.72rem;
}

#settings-panel button:is(:hover, :focus-visible) {
  background: var(--display-hover);
}

#settings-panel button:disabled {
  cursor: default;
  opacity: 0.45;
}

.settings-wide {
  width: 100%;
}

body.is-right-dragging,
body.is-right-dragging * {
  cursor: grabbing !important;
  user-select: none !important;
}

#reader {
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  overflow-x: clip;
  background: var(--display-background);
}

#viewer {
  --reader-gutter: clamp(1.4rem, 6vw, 4rem);
  width: min(100%, calc(var(--reader-width) + var(--reader-gutter) + var(--reader-gutter)));
  max-width: 100%;
  min-height: 100vh;
  margin: 0 auto;
  padding: 3rem var(--reader-gutter) 24vh;
  color: var(--display-text);
  font-family: var(--reader-font);
  font-size: var(--reader-font-size);
  font-weight: 400;
  letter-spacing: var(--reader-tracking);
  line-height: var(--reader-line-height);
  user-select: text;
  touch-action: pan-y;
}

#viewer * {
  font-family: inherit !important;
  letter-spacing: inherit !important;
}

#viewer p,
#viewer li,
#viewer blockquote {
  line-height: var(--reader-line-height) !important;
}

#viewer h1,
#viewer h2,
#viewer h3,
#viewer h4,
#viewer h5,
#viewer h6 {
  color: var(--display-heading);
  line-height: 1.25 !important;
}

#viewer a {
  color: var(--display-link);
}

#viewer .speech-active {
  box-shadow: inset 2px 0 var(--display-link);
}

#speech-marker {
  position: absolute;
  z-index: 18;
  width: 2px;
  min-height: 18px;
  border-radius: 999px;
  background: var(--display-link);
  pointer-events: none;
  opacity: 0.78;
}

#viewer img,
#viewer svg,
#viewer video {
  max-width: 100% !important;
  height: auto !important;
}

#viewer pre {
  max-width: 100%;
  overflow-x: auto;
  white-space: pre-wrap;
}

#viewer table {
  max-width: 100%;
  border-collapse: collapse;
}

.book-section {
  display: flow-root;
  width: 100%;
  max-width: 100%;
  margin: 0 0 4rem;
  position: static !important;
  height: auto !important;
  max-height: none !important;
  overflow: visible !important;
  transform: none !important;
}

.book-section :where(div, main, article, section, aside, header, footer, nav) {
  position: static !important;
  inset: auto !important;
  height: auto !important;
  min-height: 0 !important;
  max-height: none !important;
  overflow: visible !important;
  transform: none !important;
  clip: auto !important;
}

.book-section * {
  max-width: 100% !important;
  overflow-wrap: anywhere;
}

#drag-cover {
  position: fixed;
  z-index: 10;
  inset: 1.25rem;
  display: grid;
  place-items: center;
  border: 1px dashed var(--display-muted);
  border-radius: 1rem;
  color: var(--display-text);
  background: var(--display-cover);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  pointer-events: none;
  backdrop-filter: blur(4px);
}

#status {
  position: fixed;
  z-index: 20;
  left: 50%;
  bottom: 2rem;
  max-width: min(34rem, calc(100vw - 4rem));
  padding: 0.7rem 1rem;
  border: 1px solid var(--display-line);
  border-radius: 999px;
  color: var(--display-text);
  background: var(--display-panel);
  font-size: 0.8rem;
  transform: translateX(-50%);
}

#progress-stack {
  position: fixed;
  z-index: 20;
  right: calc(1rem + env(safe-area-inset-right, 0px));
  bottom: calc(0.8rem + env(safe-area-inset-bottom, 0px));
  display: grid;
  justify-items: end;
  gap: 0.08rem;
  pointer-events: none;
}

:root[data-view="home"] #progress-stack {
  right: calc(2.5rem + env(safe-area-inset-right, 0px));
  bottom: calc(2.5rem + env(safe-area-inset-bottom, 0px));
}

#speech-controls {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.38rem;
  margin-bottom: 0.22rem;
  pointer-events: auto;
}

#speech-controls button,
#fullscreen-toggle {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--display-text);
  background: transparent;
  cursor: pointer;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.9rem;
  line-height: 1;
  opacity: 0.2;
  transition:
    opacity 120ms ease,
    border-color 120ms ease,
    background-color 120ms ease;
}

#fullscreen-toggle {
  margin-bottom: 0.3rem;
  pointer-events: auto;
}

#fullscreen-toggle svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

#fullscreen-toggle[aria-pressed="false"] .fullscreen-exit,
#fullscreen-toggle[aria-pressed="true"] .fullscreen-enter,
#fullscreen-toggle[hidden] {
  display: none;
}

#speech-controls button:is(:hover, :focus-visible),
#fullscreen-toggle:is(:hover, :focus-visible) {
  border-color: var(--display-line);
  background: var(--display-panel);
  opacity: 1;
}

#speech-controls button:disabled {
  cursor: default;
  opacity: 0.38;
}

#reading-location,
#speech-voice {
  color: var(--display-muted);
  font-family: var(--reader-font);
  font-size: 0.72rem;
  letter-spacing: var(--reader-tracking);
  opacity: 0.72;
}

#reading-location {
  display: grid;
  justify-items: end;
  gap: 0.02rem;
  white-space: nowrap;
}

#speech-voice {
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  opacity: 0.55;
}

#reading-progress {
  font-size: 1.50rem;
  font-weight: 400;
}

#reading-pages {
  font-size: 0.86rem;
  font-weight: 400;
}

#speech-voice {
  max-width: min(16rem, 45vw);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 620px), (pointer: coarse) and (hover: none) {
  body.settings-open {
    overflow: hidden;
  }

  #drop-zone {
    padding:
      calc(3rem + env(safe-area-inset-top, 0px))
      calc(1.25rem + env(safe-area-inset-right, 0px))
      calc(2rem + env(safe-area-inset-bottom, 0px))
      calc(1.25rem + env(safe-area-inset-left, 0px));
  }

  #drop-zone::before {
    inset: 1rem;
  }

  #recent-books,
  #start-hotkeys,
  #library-actions,
  #library-manage-actions {
    width: min(100%, calc(100vw - 2.5rem));
  }

  #drop-picker {
    min-height: 72px;
  }

  #drop-picker > span {
    font-size: clamp(1.75rem, 8vw, 2.25rem);
  }

  #drop-picker small,
  #recent-books > small {
    font-size: 0.9rem;
  }

  #recent-book-list .recent-book {
    min-height: 0;
    padding: 0.35rem;
    font-size: 1rem;
    line-height: 1.4;
  }

  #recent-book-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
  }

  #recent-book-list .recent-book::before {
    width: 100%;
  }

  #start-hotkeys {
    gap: 0.85rem;
    font-size: clamp(1rem, 4.4vw, 1.125rem);
    line-height: 1.65;
  }

  #library-actions,
  #library-manage-actions {
    grid-template-columns: 1fr;
  }

  #start-hotkeys > button {
    min-height: 48px;
    padding: 0.55rem 0.65rem;
    border: 1px solid var(--display-line);
    border-radius: 0.4rem;
    background: var(--display-panel);
  }

  #start-hotkeys .start-tracking button,
  #start-hotkeys .range-stepper button {
    min-width: 48px;
    min-height: 48px;
  }

  #start-hotkeys select {
    min-height: 48px;
    padding: 0.55rem;
    font-size: 1rem;
  }

  .start-select,
  .start-range {
    align-items: stretch;
    flex-direction: column;
    gap: 0.28rem;
  }

  .start-range input {
    width: 100%;
    min-height: 34px;
  }

  #settings-menu {
    top: calc(0.5rem + env(safe-area-inset-top, 0px));
    right: calc(0.5rem + env(safe-area-inset-right, 0px));
  }

  #settings-panel {
    z-index: 1;
    position: fixed;
    top: 0;
    right: 0;
    width: min(96vw, 28rem);
    height: 100dvh;
    max-height: none;
    padding:
      calc(4.4rem + env(safe-area-inset-top, 0px))
      calc(1rem + env(safe-area-inset-right, 0px))
      calc(1.2rem + env(safe-area-inset-bottom, 0px))
      1rem;
    border-radius: 0.75rem 0 0 0.75rem;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    gap: 0.95rem;
    font-size: 1rem;
  }

  #settings-panel button,
  #settings-panel select {
    min-height: 48px;
    font-size: 1rem;
  }

  #settings-panel strong {
    font-size: 0.95rem;
  }

  #settings-panel label,
  #settings-panel .settings-label {
    font-size: 1rem;
    line-height: 1.4;
  }

  #settings-speech-status {
    font-size: 0.95rem;
  }

  #viewer {
    --reader-gutter: clamp(0.9rem, 4vw, 1.5rem);
    padding-top: calc(4rem + env(safe-area-inset-top, 0px));
    padding-bottom: calc(26vh + env(safe-area-inset-bottom, 0px));
  }

  #progress-stack {
    right: calc(0.65rem + env(safe-area-inset-right, 0px));
    bottom: calc(0.55rem + env(safe-area-inset-bottom, 0px));
  }

  :root[data-view="home"] #progress-stack {
    right: calc(1.5rem + env(safe-area-inset-right, 0px));
    bottom: calc(1.5rem + env(safe-area-inset-bottom, 0px));
  }

  #speech-controls button,
  #fullscreen-toggle {
    width: 44px;
    height: 44px;
    opacity: 0.46;
  }

  #speech-controls button:is(:active, :focus-visible),
  #fullscreen-toggle:is(:active, :focus-visible) {
    border-color: var(--display-line);
    background: var(--display-panel);
    opacity: 1;
  }

  #speech-voice {
    max-width: min(15rem, 72vw);
  }

  #status {
    bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
    max-width: calc(100vw - 2rem);
  }
}

@media (max-width: 620px), (pointer: coarse) and (hover: none) {
  #viewer {
    --reader-gutter: clamp(0.9rem, 4vw, 1.5rem);
    font-size: clamp(14px, calc(var(--reader-font-size) * 0.67), 54px);
  }
}

[hidden] {
  display: none !important;
}