/* Quest Byte — Focus Reader: calm, low-strain presentation for existing book pages. */
@font-face {
  font-family: "QB Victorian";
  src: url("fonts/VicModernCursive-Bold.ttf") format("truetype");
  font-display: swap;
  font-weight: 700 900;
}
body.qb-focus-reader-active #wl-tabbar,
body.qb-focus-reader-active .tts-launcher,
body.qb-focus-reader-active #mv-launch,
body.qb-focus-reader-active #wl-localreview-switch,
body.qb-focus-reader-active #ml-cust-bar { display: none !important; }
body.qb-focus-reader-active { padding-bottom: 0 !important; }
#screen-lesson.qb-focus-reader-on {
  --qb-focus-paper: #f4eedc;
  --qb-focus-ink: #252521;
  --qb-focus-muted: #625f54;
  --qb-focus-line: #cfc5aa;
  --qb-focus-current: #f6d77a;
  --qb-focus-font-size: 46px;
  background: #ded6c2;
  color: var(--qb-focus-ink);
  padding: 12px;
  font-family: "QB Victorian", system-ui, sans-serif;
  font-weight: 700;
}
#screen-lesson.qb-focus-reader-on :where(button, input, select, textarea) { font-family: inherit !important; font-weight: 700; }
#screen-lesson.qb-focus-reader-on[data-qb-focus-theme="grey"] {
  --qb-focus-paper: #e9ece8;
  --qb-focus-ink: #232724;
  --qb-focus-muted: #565e58;
  --qb-focus-line: #b9c1bb;
  --qb-focus-current: #efd47a;
  background: #d2d7d3;
}
#screen-lesson.qb-focus-reader-on[data-qb-focus-theme="dark"] {
  --qb-focus-paper: #20231f;
  --qb-focus-ink: #f4f0e6;
  --qb-focus-muted: #c8c7be;
  --qb-focus-line: #555a53;
  --qb-focus-current: #806515;
  background: #111310;
}
#screen-lesson.qb-focus-reader-on .lesson-shell {
  width: min(1120px, 100%);
  max-width: 1120px;
  min-height: calc(100vh - 24px);
  margin: 0 auto;
  padding: 18px clamp(14px, 3vw, 36px) 28px;
  border: 1px solid var(--qb-focus-line);
  border-radius: 10px;
  background: var(--qb-focus-paper);
  box-shadow: 0 8px 30px rgba(54, 45, 25, .13);
  color: var(--qb-focus-ink);
}
#screen-lesson.qb-focus-reader-on .qb-lesson-return,
#screen-lesson.qb-focus-reader-on .lesson-head,
#screen-lesson.qb-focus-reader-on #lesson-codes,
#screen-lesson.qb-focus-reader-on #step-dots,
#screen-lesson.qb-focus-reader-on .exit-home-btn,
#screen-lesson.qb-focus-reader-on .step-read-aloud,
#screen-lesson.qb-focus-reader-on .step-card > .step-emoji,
#screen-lesson.qb-focus-reader-on .step-card > h3 {
  display: none !important;
}
#screen-lesson.qb-focus-reader-on .step-area,
#screen-lesson.qb-focus-reader-on .step-card,
#screen-lesson.qb-focus-reader-on .explain-body {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  color: var(--qb-focus-ink);
}
.qb-focus-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 0 0 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--qb-focus-line);
  font-family: "QB Victorian", system-ui, sans-serif;
}
.qb-focus-tap-read {
  display: grid;
  gap: 1px;
  min-width: 160px;
  text-align: left;
}
.qb-focus-tap-read span { font-size: 13px; font-weight: 850; }
.qb-focus-tap-read small { color: var(--qb-focus-muted); font-size: 10px; }
.qb-focus-tap-read small b { color: #8d361f; }
.qb-focus-tap-read.is-on { border-color: #387759; background: #e6f3e9; }
.qb-focus-tap-read.is-on small b { color: #1e6748; }
.qb-focus-tap-read:disabled { opacity: .82; cursor: default; }
.qb-focus-toolbar button,
.qb-focus-word-controls button {
  min-height: 50px;
  border: 1px solid var(--qb-focus-line);
  border-radius: 10px;
  padding: 9px 14px;
  background: color-mix(in srgb, var(--qb-focus-paper) 82%, var(--qb-focus-line));
  color: var(--qb-focus-ink);
  font: 750 15px/1.2 "QB Victorian", system-ui, sans-serif;
  cursor: pointer;
}
.qb-focus-toolbar button:hover,
.qb-focus-word-controls button:hover { border-color: #857344; }
.qb-focus-toolbar button:focus-visible,
.qb-focus-word-controls button:focus-visible,
#screen-lesson.qb-focus-reader-on [data-echo] .tts-word:focus-visible {
  outline: 3px solid #2d71d6;
  outline-offset: 3px;
}
.qb-focus-title { display: grid; gap: 2px; margin-right: auto; }
.qb-focus-title strong { font-size: 18px; }
.qb-focus-title span { color: var(--qb-focus-muted); font-size: 14px; }
.qb-focus-title small { color: #456052; font-size: 12px; font-weight: 750; }
.qb-focus-display { display: flex; gap: 7px; flex-wrap: wrap; }
.qb-focus-display button { min-width: 48px; padding-inline: 11px; }
#screen-lesson.qb-focus-reader-on .explain-body > div > img,
#screen-lesson.qb-focus-reader-on .explain-body img {
  display: block;
  width: auto;
  max-width: min(360px, 78vw) !important;
  max-height: 34vh;
  object-fit: contain;
  margin: 4px auto 18px !important;
}
#screen-lesson.qb-focus-reader-on .qb-focus-page-story .explain-body > div:has(> img) {
  display: grid;
  grid-template-columns: minmax(260px, .9fr) minmax(320px, 1.1fr);
  grid-template-rows: 1fr auto auto;
  align-items: center;
  gap: 12px clamp(28px, 5vw, 64px);
  min-height: 470px;
  text-align: left !important;
}
#screen-lesson.qb-focus-reader-on .qb-focus-page-story .explain-body > div:has(> img) > img {
  grid-column: 1;
  grid-row: 1 / 4;
  width: 100% !important;
  max-width: 470px !important;
  max-height: 58vh;
  margin: 0 !important;
  border-radius: 12px !important;
  box-shadow: 0 8px 24px rgba(47, 36, 20, .14);
}
#screen-lesson.qb-focus-reader-on .qb-focus-page-story .explain-body > div:has(> img) > [data-echo],
#screen-lesson.qb-focus-reader-on .qb-focus-page-story .explain-body > div:has(> img) > .wl-echo-cue,
#screen-lesson.qb-focus-reader-on .qb-focus-page-story .explain-body > div:has(> img) > div:last-child { grid-column: 2; }
#screen-lesson.qb-focus-reader-on [data-echo] {
  width: min(100%, 24ch);
  margin: 0 auto !important;
  color: var(--qb-focus-ink) !important;
  font-family: "QB Victorian", system-ui, sans-serif !important;
  font-size: var(--qb-focus-font-size) !important;
  font-weight: 650 !important;
  line-height: 1.55 !important;
  letter-spacing: .012em !important;
  text-align: left !important;
  text-wrap: pretty;
}
#screen-lesson.qb-focus-reader-on[data-qb-focus-spacing="wide"] [data-echo] {
  line-height: 1.8 !important;
  letter-spacing: .035em !important;
  word-spacing: .12em;
}
#screen-lesson.qb-focus-reader-on [data-echo] .tts-word {
  display: inline;
  padding: .02em .08em;
  margin: 0 -.02em;
  border-radius: .14em;
  cursor: pointer;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
#screen-lesson.qb-focus-reader-on [data-echo] .tts-word.qb-focus-current {
  background: var(--qb-focus-current);
  color: #252521;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--qb-focus-current) 70%, #8a6d12);
}
#screen-lesson.qb-focus-reader-on [data-echo] .tts-word.qb-focus-hearing {
  box-shadow: 0 0 0 4px #2d71d6;
}
#screen-lesson.qb-focus-reader-on [data-echo] .tts-word.qb-focus-read-yes,
#screen-lesson.qb-focus-reader-on [data-echo] .tts-word.qb-focus-read-no { position: relative; padding-right: .44em; }
#screen-lesson.qb-focus-reader-on [data-echo] .tts-word.qb-focus-read-yes::after,
#screen-lesson.qb-focus-reader-on [data-echo] .tts-word.qb-focus-read-no::after {
  position: absolute;
  right: -.02em;
  top: -.48em;
  font: 900 .34em/1 system-ui, sans-serif;
}
#screen-lesson.qb-focus-reader-on [data-echo] .tts-word.qb-focus-read-yes::after { content: "✓"; color: #167348; }
#screen-lesson.qb-focus-reader-on [data-echo] .tts-word.qb-focus-read-no::after { content: "✕"; color: #a44921; }
#screen-lesson.qb-focus-reader-on .wl-echo-cue { color: var(--qb-focus-muted) !important; }
.qb-focus-word-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  width: min(100%, 760px);
  margin: 22px auto 6px;
  padding-top: 16px;
  border-top: 1px solid var(--qb-focus-line);
}
#screen-lesson.qb-focus-reader-on[data-qb-focus-tap-read="off"] .qb-focus-word-controls { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.qb-focus-hear[hidden] { display: none !important; }
.qb-focus-word-controls .qb-focus-hear { background: #e8f0ff; color: #173c77; border-color: #9bb8e8; }
.qb-focus-word-controls .qb-focus-sound { background: #fff3cf; color: #654b08; border-color: #c9aa4b; }
.qb-focus-word-controls .qb-focus-next { background: #315f4e; color: #fff; border-color: #315f4e; }
.qb-focus-word-controls .qb-focus-read-yes { background: #e5f5e9; color: #145d3f; border-color: #76ad8c; }
.qb-focus-word-controls .qb-focus-read-no { background: #fff0df; color: #7b3a1d; border-color: #d7a16f; }
.qb-focus-word-controls .qb-focus-read-yes[aria-pressed="true"] { box-shadow: inset 0 0 0 3px #23845b; }
.qb-focus-word-controls .qb-focus-read-no[aria-pressed="true"] { box-shadow: inset 0 0 0 3px #b45c2b; }
.qb-focus-word-controls button:disabled { opacity: .55; cursor: default; }
.qb-focus-status {
  grid-column: 1 / -1;
  min-height: 1.5em;
  color: var(--qb-focus-muted);
  text-align: center;
  font: 650 14px/1.4 "QB Victorian", system-ui, sans-serif;
}
.qb-focus-sound-panel {
  width: min(100%, 760px);
  margin: 12px auto 4px;
  padding: 16px clamp(12px, 3vw, 22px) 18px;
  border: 2px solid var(--qb-focus-line);
  border-radius: 14px;
  background: color-mix(in srgb, var(--qb-focus-paper) 88%, #dfeaff);
  color: var(--qb-focus-ink);
  text-align: center;
  font-family: "QB Victorian", system-ui, sans-serif;
}
.qb-focus-sound-panel[hidden] { display: none; }
.qb-focus-sound-panel h3 { margin: 0 0 4px; font-size: 20px; }
.qb-focus-sound-panel > p { margin: 0 0 14px; color: var(--qb-focus-muted); font-weight: 700; }
.qb-focus-sound-tool { position: relative; }
.qb-focus-sound-units {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-end;
  gap: 40px 12px;
  margin: 2px 0 30px;
  touch-action: none;
  cursor: grab;
}
.qb-focus-sound-units:active { cursor: grabbing; }
.qb-focus-sound-unit {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 7px;
  min-width: 56px;
  min-height: 48px;
  padding: 8px 0 14px;
}
.qb-focus-sound-part {
  color: #9aa7b8;
  font: 900 clamp(2.8rem, 8vw, 4.8rem)/1 "QB Victorian", system-ui, sans-serif;
  letter-spacing: .01em;
  transition: none;
}
.qb-focus-sound-silent {
  color: #7b8797;
  font-style: normal;
  text-decoration: line-through;
  text-decoration-thickness: .08em;
}
.qb-focus-sound-unit.done .qb-focus-sound-part { color: #17385f; }
.qb-focus-sound-unit.now .qb-focus-sound-part {
  padding: 0 .06em;
  border-radius: .16em;
  background: #fdeee3;
  color: #d55e00;
}
.qb-focus-sound-track {
  position: relative;
  display: block;
  box-sizing: border-box;
  width: 100%;
  min-width: 56px;
  height: 22px;
  overflow: hidden;
  border: 3px solid #5b7ba3;
  border-radius: 999px;
  background: #fff;
}
.qb-focus-sound-track i { display: block; height: 100%; border-radius: 999px; background: #0072b2; transition: none; }
.qb-focus-sound-unit.now .qb-focus-sound-track i { background: #d55e00; }
.qb-focus-sound-thumb {
  display: none;
  position: absolute;
  bottom: -24px;
  box-sizing: border-box;
  width: 46px;
  height: 40px;
  margin-left: -23px;
  border: 3px solid #17385f;
  border-radius: 22px 22px 13px 13px;
  background: #fff;
  box-shadow: 0 2px 0 rgba(23, 56, 95, .16);
}
.qb-focus-sound-unit.now .qb-focus-sound-thumb { display: block; }
.qb-focus-sound-thumb::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -11px;
  margin-left: -7px;
  border-right: 7px solid transparent;
  border-bottom: 9px solid #17385f;
  border-left: 7px solid transparent;
}
.qb-focus-sound-thumb::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 11px;
  height: 11px;
  margin: -6px 0 0 -6px;
  border-radius: 50%;
  background: #d55e00;
}
.qb-focus-sound-hint { display: flex; justify-content: space-between; gap: 10px; color: var(--qb-focus-muted); font-weight: 800; }
.qb-focus-sound-tool > input[type="range"] {
  position: absolute;
  right: 14px;
  bottom: 12px;
  left: 14px;
  width: auto;
  height: 48px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}
.qb-focus-sound-tool > input[type="range"]:focus-visible ~ .qb-focus-sound-units {
  outline: 3px solid #2d71d6;
  outline-offset: 6px;
  border-radius: 10px;
}
#screen-lesson.qb-focus-reader-on .lesson-controls {
  width: min(100%, 760px);
  margin: 10px auto 0;
  padding-top: 12px;
  border-top: 0;
}
#screen-lesson.qb-focus-reader-on .lesson-controls .go-btn {
  min-width: 150px;
  min-height: 52px;
  border-radius: 10px;
  font-family: "QB Victorian", system-ui, sans-serif;
}

.qb-focus-book-cover {
  display: grid;
  place-items: center;
  width: min(440px, 82vw);
  min-height: min(570px, 62vh);
  box-sizing: border-box;
  margin: 18px auto 24px;
  padding: clamp(30px, 6vw, 70px);
  border: 1px solid rgba(32, 33, 26, .4);
  border-radius: 8px 22px 22px 8px;
  background: linear-gradient(145deg, #2f6353, #244a40);
  color: #fffdf1;
  box-shadow: inset 17px 0 rgba(0,0,0,.16), inset 20px 0 rgba(255,255,255,.05), 12px 18px 35px rgba(39,31,18,.28);
  text-align: center;
}
.qb-focus-book-cover small { align-self: start; font: 800 12px/1.3 system-ui, sans-serif; letter-spacing: .12em; text-transform: uppercase; }
.qb-focus-book-cover h1 { margin: 16px 0; font: 850 clamp(36px, 7vw, 62px)/1.06 "QB Victorian", system-ui, sans-serif; text-wrap: balance; }
.qb-focus-book-cover div { font-size: clamp(62px, 12vw, 104px); }
.qb-focus-book-cover:has(.qb-focus-cover-art) { padding: clamp(22px, 4vw, 40px); }
.qb-focus-book-cover .qb-focus-cover-art { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: contain; border-radius: 8px; }
.qb-focus-book-cover p { align-self: end; margin: 18px 0 0; font: 700 16px/1.45 system-ui, sans-serif; }
#screen-lesson.qb-focus-reader-on .qb-focus-page-cover .explain-body { display: none; }
.qb-focus-section-label { display: grid; place-items: center; gap: 6px; margin: 14px 0 24px; text-align: center; }
.qb-focus-section-label span { font: 850 clamp(28px, 5vw, 45px)/1 "QB Victorian", system-ui, sans-serif; }
.qb-focus-section-label small { color: var(--qb-focus-muted); font: 750 13px/1.3 system-ui, sans-serif; text-transform: uppercase; letter-spacing: .08em; }
#screen-lesson.qb-focus-reader-on .qb-focus-page-book-talk .explain-body,
#screen-lesson.qb-focus-reader-on .qb-focus-page-book-talk .mcq-wrap,
#screen-lesson.qb-focus-reader-on .qb-focus-page-book-talk .write-wrap,
#screen-lesson.qb-focus-reader-on .qb-focus-page-finish .explain-body,
#screen-lesson.qb-focus-reader-on .qb-focus-page-finish .summary-wrap {
  width: min(720px, 100%);
  margin-inline: auto;
  font-family: "QB Victorian", system-ui, sans-serif;
}
.qb-focus-reward {
  display: grid;
  gap: 4px;
  width: min(520px, 100%);
  margin: 12px auto 24px;
  padding: 14px 18px;
  border: 1px solid #d5bd74;
  border-radius: 14px;
  background: #fff3c9;
  color: #684e0c;
  text-align: center;
}
.qb-focus-reward strong { font-size: 20px; }
#screen-lesson.qb-focus-reader-on .qb-focus-page-complete {
  width: 100%;
  max-width: none;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  color: var(--qb-focus-ink);
}
#screen-lesson.qb-focus-reader-on .qb-focus-page-complete > :not(.qb-focus-toolbar):not(.qb-focus-section-label) {
  width: min(650px, 100%);
  margin-inline: auto;
}
#screen-lesson.qb-focus-reader-on[data-qb-focus-page-kind="complete"] .lesson-controls { display: none !important; }
#screen-lesson.qb-focus-reader-on .qb-focus-page-book-talk .choice-btn,
#screen-lesson.qb-focus-reader-on .qb-focus-page-book-talk .option-btn {
  border-color: var(--qb-focus-line);
  border-radius: 11px;
  background: color-mix(in srgb, var(--qb-focus-paper) 88%, var(--qb-focus-line));
  color: var(--qb-focus-ink);
}

@media (max-width: 640px) {
  #screen-lesson.qb-focus-reader-on { padding: 0; }
  #screen-lesson.qb-focus-reader-on .lesson-shell {
    min-height: 100vh;
    padding: 10px 12px 20px;
    border: 0;
    border-radius: 0;
  }
  .qb-focus-toolbar { gap: 8px; }
  .qb-focus-library { order: 1; }
  .qb-focus-title { order: 2; min-width: 140px; }
  .qb-focus-tap-read { order: 3; min-width: 100%; }
  .qb-focus-display { order: 4; width: 100%; }
  .qb-focus-display button { flex: 1 1 auto; }
  #screen-lesson.qb-focus-reader-on .explain-body > div > img,
  #screen-lesson.qb-focus-reader-on .explain-body img { max-height: 25vh; max-width: min(230px, 72vw) !important; }
  #screen-lesson.qb-focus-reader-on [data-echo] { font-size: min(var(--qb-focus-font-size), 40px) !important; width: min(100%, 18ch); }
  #screen-lesson.qb-focus-reader-on .qb-focus-page-story .explain-body > div:has(> img) {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    min-height: 0;
    gap: 10px;
  }
  #screen-lesson.qb-focus-reader-on .qb-focus-page-story .explain-body > div:has(> img) > img,
  #screen-lesson.qb-focus-reader-on .qb-focus-page-story .explain-body > div:has(> img) > [data-echo],
  #screen-lesson.qb-focus-reader-on .qb-focus-page-story .explain-body > div:has(> img) > .wl-echo-cue,
  #screen-lesson.qb-focus-reader-on .qb-focus-page-story .explain-body > div:has(> img) > div:last-child {
    grid-column: 1;
    grid-row: auto;
  }
  .qb-focus-word-controls { grid-template-columns: 1fr 1fr; }
  #screen-lesson.qb-focus-reader-on[data-qb-focus-tap-read="off"] .qb-focus-word-controls { grid-template-columns: 1fr 1fr; }
  .qb-focus-word-controls .qb-focus-next { grid-column: 1 / -1; }
  .qb-focus-book-cover { min-height: 480px; margin-top: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  #screen-lesson.qb-focus-reader-on * { scroll-behavior: auto !important; transition: none !important; }
}