/* ============================================================
   TUKO99 English Letters �?" The Mint Discovery Workshop
   ============================================================ */

:root {
  --mint-air: #E9FFF4;
  --mint-surface: #F8FFFB;
  --mint-line: #BDEED7;
  --mint-line-strong: #84DDB7;
  --evergreen: #173E38;
  --evergreen-soft: #4D6F68;
  --mint-action: #19C98C;
  --mint-action-dark: #0A7F60;
  --coral: #FF6B6B;
  --sun: #FFD84D;
  --sky: #3DAEFA;
  --violet: #9A6BFF;
  --orange: #FF9F43;
  --panel-shadow: 0 22px 54px -38px rgba(23, 62, 56, 0.42), 0 6px 18px -14px rgba(23, 62, 56, 0.18);
  --radius-card: 30px;
  --radius-tile: 22px;
  --radius-pill: 999px;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html, body { margin: 0; min-width: 0; min-height: 100%; }

body {
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
  color: var(--evergreen);
  background: var(--mint-air);
  font-family: 'Andika', 'Nunito', Verdana, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button, a { font: inherit; }
button { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { max-width: 100%; }

#app { min-height: 100vh; min-height: 100dvh; }

.board {
  position: relative;
  isolation: isolate;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: clamp(12px, 1.6vw, 22px);
  padding: max(14px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) max(14px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left));
  overflow: hidden;
  background:
    radial-gradient(circle at 9% 14%, rgba(61, 174, 250, .16) 0 4%, transparent 14%),
    radial-gradient(circle at 92% 82%, rgba(255, 216, 77, .21) 0 5%, transparent 16%),
    linear-gradient(145deg, #E5FFF1 0%, #F5FFF9 48%, #E6FFF4 100%);
}

.board::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .36;
  background-image: radial-gradient(circle, rgba(10, 127, 96, .18) 1.5px, transparent 1.6px);
  background-size: 34px 34px;
  mask-image: linear-gradient(90deg, #000 0%, transparent 30%, transparent 70%, #000 100%);
}

.app-topbar {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  min-height: 78px;
  margin:
    calc(-1 * max(14px, env(safe-area-inset-top)))
    calc(-1 * max(18px, env(safe-area-inset-right)))
    0
    calc(-1 * max(18px, env(safe-area-inset-left)));
  padding: 12px clamp(20px, 2.2vw, 34px);
  background: linear-gradient(180deg, #FFFFFF 65%, #F4FFF9);
  border-bottom: 2px solid var(--mint-line);
  box-shadow: 0 5px 16px -10px rgba(23, 62, 56, .2), inset 0 -1px 0 #FFFFFF;
}

.brand-mark {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  width: clamp(122px, 12vw, 174px);
  height: 80px;
  text-decoration: none;
}

.brand-mark img {
  display: block;
  width: auto;
  max-width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
  filter: drop-shadow(0 6px 8px rgba(23, 62, 56, .12));
}

.header-space { min-height: 1px; }

.header-space {
  display: flex;
  align-items: center;
  justify-content: center;
}

.eyebrow {
  color: var(--mint-action-dark);
  font-size: .7rem;
  font-weight: 900;
  letter-spacing: .13em;
}

.toy-button {
  --button-bg: var(--active, var(--mint-action));
  --button-dark: var(--active-dark, var(--mint-action-dark));
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 12px 22px;
  border: 0;
  border-radius: var(--radius-pill);
  color: var(--evergreen);
  background: var(--button-bg);
  box-shadow: 0 5px 0 var(--button-dark), 0 12px 22px -14px rgba(23, 62, 56, .48), inset 0 2px 0 rgba(255,255,255,.48);
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
  user-select: none;
  transition: transform 170ms var(--ease-out), box-shadow 170ms var(--ease-out), filter 170ms var(--ease-out), opacity 170ms var(--ease-out);
}
.toy-button svg { width: 21px; height: 21px; flex: none; }
.toy-button:hover:not(:disabled) { transform: translateY(-2px); filter: saturate(1.06); }
.toy-button:active:not(:disabled) { transform: translateY(4px) scale(.97); box-shadow: 0 0 0 var(--button-dark), 0 3px 8px -6px rgba(23,62,56,.4), inset 0 2px 0 rgba(255,255,255,.3); transition-duration: 160ms; }
.toy-button:not(.exit-button):not(.speed-button):not(.mute-button):active:not(:disabled) { --button-bg: var(--sun); --button-dark: #C99A12; }
.toy-button:focus-visible { outline: 3px solid var(--evergreen); outline-offset: 4px; }
.toy-button:disabled { opacity: .38; cursor: not-allowed; filter: saturate(.35); }

.header-actions { justify-self: end; display: flex; align-items: center; gap: clamp(10px, 1vw, 14px); }

.speed-button {
  --button-bg: #FFFFFF;
  --button-dark: transparent;
  min-height: 46px;
  padding: 9px 18px;
  border: 1.5px solid var(--mint-line-strong);
  border-radius: var(--radius-pill);
  color: var(--evergreen);
  font-weight: 800;
  font-size: .95rem;
  background: var(--button-bg);
  box-shadow: none;
}
.speed-button svg { width: 21px; height: 21px; }
.speed-button span:not(.sr-only) { text-shadow: none; }
.speed-button:hover:not(:disabled) { transform: none; filter: none; background: #F3FBF7; }

.mute-button {
  --button-bg: #FFFFFF;
  width: 46px;
  height: 46px;
  min-width: 46px;
  min-height: 46px;
  padding: 0;
  justify-content: center;
  border: 1.5px solid var(--mint-line-strong);
  border-radius: 50%;
  color: var(--evergreen);
  background: var(--button-bg);
  box-shadow: none;
}
.mute-button svg { width: 21px; height: 21px; }
.mute-button span:not(.sr-only) { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.mute-button:hover:not(:disabled) { transform: none; filter: none; background: #F3FBF7; }
.mute-button.is-muted {
  color: #7A5C0A;
  border-color: #E5C22B;
  background: #FFF8DA;
}

/* Speed button yellow when speed ≠ 1 (active state, like muted) */
.speed-button.is-fast {
  color: #7A5C0A;
  border-color: #E5C22B;
  background: #FFF8DA;
}

/* Yellow pressed state on :active for header action buttons (subtle, like Quiz Auto) */
.mute-button:active:not(:disabled),
.speed-button:active:not(:disabled),
.exit-button:active:not(:disabled) {
  transform: scale(.96);
  --button-bg: #FFF8DA;
  --button-dark: transparent;
  background: #FFF8DA;
  border-color: #E5C22B;
  color: #7A5C0A;
  box-shadow: inset 0 2px 5px rgba(122, 92, 10, .2);
}

.exit-button {
  --button-bg: #FFFFFF;
  --button-dark: transparent;
  min-height: 46px;
  padding: 9px 18px;
  border: 1.5px solid var(--mint-line-strong);
  border-radius: var(--radius-pill);
  color: var(--evergreen);
  font-weight: 800;
  font-size: .95rem;
  background: var(--button-bg);
  box-shadow: none;
}
.exit-button svg { width: 21px; height: 21px; }
.exit-button span:not(.sr-only) { text-shadow: none; }
.exit-button:hover:not(:disabled) { transform: none; filter: none; background: #F3FBF7; }

.workspace {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(380px, 43fr) minmax(0, 57fr);
  gap: clamp(14px, 1.4vw, 22px);
}

.stage-column {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: clamp(14px, 1.4vw, 22px);
}

.stage-column.quiz-column { grid-template-rows: minmax(0, 1fr); }

.learning-stage,
.letter-tray {
  min-width: 0;
  min-height: 0;
  border: 2px solid rgba(132, 221, 183, .7);
  border-radius: var(--radius-card);
  background: rgba(248, 255, 251, .95);
  box-shadow: var(--panel-shadow);
}

.learning-stage {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 12px;
  padding: clamp(12px, 1.2vw, 18px);
}

.stage-head,
.tray-head,
.control-bar {
  display: flex;
  align-items: center;
}

.stage-head { justify-content: space-between; gap: 12px; }

.position-chip,
.page-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 7px 12px;
  border: 1px solid var(--mint-line);
  border-radius: var(--radius-pill);
  background: #EEFFF7;
  color: var(--evergreen-soft);
  font-size: .75rem;
  font-weight: 900;
  letter-spacing: .025em;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 24px;
  padding: 3px 9px;
  border: 1px solid color-mix(in srgb, var(--mint-line) 65%, transparent);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--evergreen-soft);
  font-size: .6rem;
  font-weight: 900;
  letter-spacing: .05em;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--active);
  box-shadow: 0 0 0 3px var(--active-soft);
}
.position-chip strong { color: var(--active-dark); font-size: .9rem; }
.position-chip span { font-size: .72rem; }

.stage-visual {
  --card-left: clamp(14px, 2vw, 28px);
  --card-width: min(46%, 360px);
  position: relative;
  min-height: 220px;
  overflow: hidden;
  border: 2px solid var(--mint-line-strong);
  border-radius: 24px;
  background: #F8FFFB;
  box-shadow: inset 0 2px 0 rgba(255,255,255,.72), 0 12px 28px -22px rgba(23,62,56,.42);
  cursor: pointer;
  transition: transform 160ms var(--ease-out);
}
.stage-visual:active { transform: scale(.985); }
.stage-visual:focus-visible { outline: 3px solid var(--evergreen); outline-offset: 4px; }

.stage-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(248,255,251,.18) 0%, transparent 44%, rgba(255,255,255,.1) 100%);
}

.object-zone {
  position: absolute;
  inset: 0 8px 0 calc(var(--card-left) + var(--card-width) + 6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  pointer-events: none;
}

.object-image {
  display: block;
  width: 100%;
  max-width: 300px;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transform: scale(.98);
  transition: opacity 240ms var(--ease-out), transform 360ms var(--ease-out);
}
.image-ready .object-image { opacity: 1; transform: scale(1); }
.image-missing .object-image { display: none; }

.stage-enter .object-image.image-ready { animation: imagePop 340ms var(--ease-out) both; }
@keyframes imagePop {
  0% { opacity: 0; transform: scale(.9); }
  62% { opacity: 1; transform: scale(1.045); }
  100% { opacity: 1; transform: scale(1); }
}

.image-fallback {
  position: absolute;
  inset: 0 0 0 43%;
  z-index: 0;
  display: grid;
  place-items: center;
  color: color-mix(in srgb, var(--active-dark) 54%, white);
  font: 700 clamp(5rem, 14vw, 10rem)/1 'Andika', sans-serif;
  opacity: .24;
}
.image-ready .image-fallback { display: none; }

.letter-card {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: var(--card-left);
  width: var(--card-width);
  container-type: inline-size;
  min-width: 180px;
  transform: translateY(-50%);
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: clamp(14px, 2vw, 24px);
  border: 2px solid rgba(255,255,255,.92);
  border-radius: 24px;
  background: rgba(248,255,251,.92);
  box-shadow: 0 18px 40px -28px rgba(23,62,56,.55), inset 0 1px 0 rgba(255,255,255,.95);
}

.stage-letter {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: .16em;
  margin: 0;
  color: var(--mint-action-dark);
  font-family: 'Andika', 'Trebuchet MS', sans-serif;
  font-size: clamp(3rem, 44cqw, 10rem);
  font-weight: 700;
  line-height: 1;
}
.stage-letter-cap { flex: none; line-height: .9; }
.stage-letter-side {
  display: flex;
  flex: 1 1 0%;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 0;
  line-height: 1;
}
.stage-letter-small {
  font-size: 1em;
  font-weight: 700;
  line-height: 1;
}
.stage-word {
  margin: .14em 0 0;
  width: 100%;
  max-width: 100%;
  overflow-wrap: break-word;
  color: var(--evergreen);
  font-family: 'Andika', 'Trebuchet MS', sans-serif;
  font-size: clamp(1.2rem, 13cqw, 2.8rem);
  font-weight: 700;
  line-height: 1.08;
  text-align: center;
}
.stage-word-long { font-size: clamp(1rem, 11cqw, 2.4rem); }

.stage-enter .letter-card { animation: cardReveal 360ms var(--ease-out) both; }
@keyframes cardReveal {
  from { opacity: 0; transform: translateY(-46%) scale(.95); }
  to { opacity: 1; transform: translateY(-50%) scale(1); }
}

.control-bar {
  justify-content: space-between;
  gap: clamp(10px, 1.1vw, 16px);
  min-width: 0;
  min-height: 84px;
  padding: clamp(10px, 1vw, 14px);
  border: 2px solid rgba(132, 221, 183, .7);
  border-radius: var(--radius-card);
  background: rgba(248, 255, 251, .95);
  box-shadow: var(--panel-shadow);
}

/* T4 — Learn column shares the tray's soft-surface language (top light). */
.learning-stage,
.control-bar {
  background:
    linear-gradient(180deg, rgba(255,255,255,.65), rgba(255,255,255,0) 32%),
    rgba(248, 255, 251, .95);
  box-shadow:
    var(--panel-shadow),
    inset 0 2px 0 rgba(255,255,255,.75),
    inset 0 -4px 10px -6px rgba(23,62,56,.14);
}

.bar-button {
  flex: 1 1 0;
  min-width: 0;
  min-height: 60px;
  padding: 10px clamp(10px, 1.2vw, 18px);
  --button-bg: var(--mint-action);
  --button-dark: var(--mint-action-dark);
  --bar-ink: var(--evergreen);
  color: var(--bar-ink);
  font-size: clamp(1.08rem, 1.35vw, 1.34rem);
  border: 1.5px solid var(--mint-action-dark);
  background: var(--button-bg);
  box-shadow:
    0 3px 0 var(--button-dark),
    0 12px 22px -14px rgba(23,62,56,.4),
    inset 0 2px 0 rgba(255,255,255,.6),
    inset 0 -3px 6px -3px rgba(10,60,45,.35);
  transition: transform 220ms var(--ease-out), clip-path 220ms var(--ease-out), box-shadow 220ms var(--ease-out), background 180ms var(--ease-out), border-color 180ms var(--ease-out), color 180ms var(--ease-out), filter 180ms var(--ease-out);
}
.bar-button svg { width: clamp(23px, 1.8vw, 27px); height: clamp(23px, 1.8vw, 27px); flex: none; }
.bar-button span { text-shadow: 0 1px 0 rgba(255,255,255,.45); transition: transform 180ms var(--ease-out); }

/* Hover: the press begins - face starts dipping. */
.bar-button:hover:not(:disabled):not(.is-on):not(:active) {
  transform: translateY(1px);
  filter: saturate(1.06);
  box-shadow:
    0 1px 0 var(--button-dark),
    0 10px 18px -14px rgba(23,62,56,.4),
    inset 0 2px 0 rgba(255,255,255,.5),
    inset 0 -2px 6px -2px rgba(10,60,45,.4),
    inset 3px 0 8px -4px rgba(10,60,45,.25),
    inset -3px 0 8px -4px rgba(10,60,45,.25);
}
.bar-button:hover:not(:disabled):not(.is-on):not(:active) span {
  transform: scale(.97);
}

/* Fully pressed (tap) or locked on (Auto): the whole face sinks inward
   from every side - edges crop in, inner carve deepens, stem gone. */
.bar-button:active:not(:disabled),
.bar-button.is-on {
  transform: translateY(3px) scale(.97);
  clip-path: inset(3px round 999px);
  --button-bg: var(--sun);
  --button-dark: #C99A12;
  --bar-ink: #523F08;
  color: var(--bar-ink);
  background: var(--button-bg);
  border-color: #C99A12;
  box-shadow:
    inset 0 6px 12px rgba(122,92,10,.5),
    inset 0 -3px 6px rgba(255,255,255,.55),
    inset 5px 0 10px -4px rgba(122,92,10,.35),
    inset -5px 0 10px -4px rgba(122,92,10,.35);
  animation: none;
}

/* Auto locked: hovering must not move or zoom the button. It holds the pressed pose. */
.bar-button.is-on:hover {
  transform: translateY(3px) scale(.97);
  filter: none;
}

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

.letter-tray {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: clamp(11px, 1.1vw, 16px);
  padding: clamp(11px, 1.1vw, 16px);
  /* T2 — tray soft surface (depth 1): thin border kept, barely-there material. */
  background:
    linear-gradient(180deg, rgba(255,255,255,.65), rgba(255,255,255,0) 32%),
    rgba(248, 255, 251, .95);
  box-shadow:
    var(--panel-shadow),
    inset 0 2px 0 rgba(255,255,255,.75),
    inset 0 -4px 10px -6px rgba(23,62,56,.14);
}

.tray-head { justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.tray-title { display: grid; gap: 2px; }
.tray-title strong { font-family: 'Andika', 'Trebuchet MS', sans-serif; font-size: 1.18rem; font-weight: 700; }

.tray-count {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 7px 12px;
  border: 1px solid var(--mint-line);
  border-radius: var(--radius-pill);
  background: #EEFFF7;
  color: var(--evergreen-soft);
  font-size: .75rem;
  font-weight: 900;
}
.tray-count strong { color: var(--active-dark); font-size: .9rem; }

.letter-grid {
  min-height: 0;
  align-self: stretch;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  justify-content: center;
  align-content: space-evenly;
  gap: clamp(8px, .85vw, 13px);
}

.letter-tile {
  --stem: 5px;
  position: relative;
  aspect-ratio: 1;
  width: 100%;
  min-width: 0;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 3px;
  padding: 4px;
  border: 0;
  border-radius: var(--radius-tile);
  color: var(--tile-ink);
  background: linear-gradient(135deg, rgba(255,255,255,.12), transparent 35%, rgba(0,0,0,.13)), var(--tile-finish, var(--tile));
  box-shadow: 0 var(--stem) 0 var(--tile-dark), 0 10px 16px -9px rgba(23,62,56,.5), inset 0 2px 1px rgba(255,255,255,.65), inset 1px 0 2px rgba(255,255,255,.32), inset 0 -3px 5px rgba(0,0,0,.16);
  cursor: pointer;
  user-select: none;
  transition: transform 170ms var(--ease-out), box-shadow 170ms var(--ease-out), filter 170ms var(--ease-out);
}
/* Richer pigments stay local to the alphabet buttons. */
.letter-tile:nth-child(6n + 1) { --tile-finish: #08C98B; }
.letter-tile:nth-child(6n + 2) { --tile-finish: #FF414B; }
.letter-tile:nth-child(6n + 3) { --tile-finish: #FFD020; }
.letter-tile:nth-child(6n + 4) { --tile-finish: #119FF5; }
.letter-tile:nth-child(6n + 5) { --tile-finish: #894DFA; }
.letter-tile:nth-child(6n + 6) { --tile-finish: #FF8B1F; }
.letter-tile::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: radial-gradient(ellipse at 86% 88%, rgba(255,255,255,.12), transparent 38%);
}
.letter-tile span { position: relative; z-index: 1; font: 700 clamp(1.7rem, 2.7vw, 2.5rem)/1 'Andika', 'Trebuchet MS', sans-serif; text-shadow: 0 1px 0 rgba(255,255,255,.48), 0 -1px 0 rgba(0,0,0,.12); }
@supports (background-clip: text) and (color: color-mix(in srgb, black, white)) {
  .letter-tile span {
    background: linear-gradient(145deg, color-mix(in srgb, var(--tile-ink), white 10%), var(--tile-ink) 55%);
    background-clip: text;
    color: transparent;
    text-shadow: none;
    filter: drop-shadow(0 1px 0 rgba(255,255,255,.5));
  }
}
.letter-tile small { position: relative; z-index: 1; max-width: 96%; overflow: hidden; text-overflow: ellipsis; color: var(--tile-ink); font-size: clamp(.46rem, .62vw, .6rem); font-weight: 900; white-space: nowrap; }
.letter-tile:hover { transform: translateY(-2px); filter: saturate(1.05); }
.letter-tile:active { transform: translateY(var(--stem)) scale(.94); box-shadow: 0 0 0 var(--tile-dark), 0 4px 9px -7px rgba(23,62,56,.5), inset 0 2px 0 rgba(255,255,255,.4); }
.letter-tile.is-selected {
  transform: translateY(var(--stem)) scale(.98);
  z-index: 1;
  box-shadow:
    0 0 0 var(--tile-dark),
    inset 0 4px 10px rgba(10, 40, 32, .4),
    inset 0 -2px 5px rgba(255, 255, 255, .35);
}
.letter-tile.is-selected::before { opacity: .72; }
.letter-tile:focus-visible { outline: 3px solid var(--evergreen); outline-offset: 4px; }

.noscript-note {
  margin: 40px auto;
  max-width: 42rem;
  padding: 20px;
  color: var(--evergreen);
  background: var(--mint-surface);
  border: 2px solid var(--mint-line);
  border-radius: 18px;
  font-weight: 800;
}

@media (max-width: 1023px) {
  body { overflow: auto; }
  .board { min-height: 100dvh; height: auto; grid-template-rows: auto auto; overflow: visible; }
  .app-topbar { min-height: 70px; }
  .brand-mark { width: clamp(100px, 15vw, 136px); height: 66px; }
  .workspace { grid-template-columns: 1fr; gap: 14px; }
  .stage-column { grid-template-rows: auto auto; order: -1; gap: 14px; }
  .learning-stage { min-height: 330px; }
  .letter-tray { min-height: 0; padding: clamp(12px, 1.6vw, 16px); }
  .letter-grid { grid-template-columns: repeat(7, minmax(0, 1fr)); gap: clamp(9px, 1.8vw, 14px); }
  .letter-tile span { font-size: clamp(1.5rem, 3.4vw, 2.1rem); }
  .letter-card { min-width: 170px; }
}

@media (max-width: 639px) {
  .board { gap: 12px; padding: max(10px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left)); }
  .board::before { background-size: 26px 26px; opacity: .28; }
  .app-topbar {
    grid-template-columns: 1fr auto;
    gap: 9px;
    min-height: 60px;
    margin:
      calc(-1 * max(10px, env(safe-area-inset-top)))
      calc(-1 * max(14px, env(safe-area-inset-right)))
      0
      calc(-1 * max(14px, env(safe-area-inset-left)));
    padding: 8px 14px 10px;
  }
  .brand-mark { grid-column: 1; grid-row: 1; justify-self: start; }
  .header-space { grid-column: 1 / -1; grid-row: 2; justify-content: center; min-width: 0; }
  .header-actions { grid-column: 2; grid-row: 1; }
  .brand-mark { width: 74px; height: 56px; }
  .header-actions { gap: 6px; }
  .exit-button { min-height: 44px; padding: 8px 13px; font-size: .88rem; }
  .exit-button span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .mute-button { width: 42px; height: 42px; min-width: 42px; min-height: 42px; }
  .speed-button { min-height: 42px; padding: 8px 12px; font-size: .8rem; }
  .speed-button svg { width: 18px; height: 18px; }
  .speed-button span:not(.sr-only) { font-size: .76rem; }
  .workspace { grid-template-rows: auto auto; gap: 12px; }
  .learning-stage { min-height: 0; gap: 9px; padding: 11px; border-radius: 24px; }
  .stage-head { gap: 8px; }
  .status-chip { min-height: 22px; padding: 3px 8px; font-size: .56rem; }
  .position-chip { min-height: 28px; padding: 5px 9px; font-size: .66rem; }
  .stage-visual { min-height: clamp(146px, 49vw, 176px); aspect-ratio: auto; border-radius: 19px; }
  .stage-visual { --card-left: 9px; --card-width: 54%; }
  .object-zone { right: 3px; left: calc(var(--card-left) + var(--card-width) + 2px); }
  .letter-card { min-width: 0; padding: 10px 9px; border-radius: 17px; }
  .stage-letter { gap: .14em; }
  .letter-card { gap: 8px; }
  .control-bar { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; min-height: 0; padding: 10px; border-radius: 24px; }
  .bar-button { min-height: 54px; padding: 10px 12px; font-size: 1.02rem; }
  .bar-button svg { width: 21px; height: 21px; }
  .letter-tray { gap: 10px; padding: 11px; border-radius: 24px; }
  .tray-head { gap: 8px; }
  .tray-title strong { font-size: .9rem; }
  .tray-head .eyebrow { font-size: .58rem; }
  .tray-count { min-height: 28px; padding: 5px 9px; font-size: .66rem; }
  .letter-grid { gap: 9px; }
  .letter-tile { --stem: 4px; min-width: 0; border-radius: 16px; }
  .letter-tile span { font-size: clamp(1.35rem, 5.6vw, 1.8rem); }
  .letter-tile small { font-size: .44rem; }
}

@media (max-width: 360px) {
  .app-topbar { grid-template-columns: auto 1fr auto; }
  .brand-mark { width: 62px; height: 50px; }
  .speed-button { padding: 8px 9px; }
  .letter-tile { min-width: 0; }
  .bar-button span { font-size: .92rem; }
}

@media (max-width: 480px) {
  .speed-button span:not(.sr-only) { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .speed-button { padding: 8px 10px; }
  .mode-tab { padding: 6px 11px; }
}

@media (max-height: 760px) and (min-width: 1024px) {
  .board { gap: 10px; padding-top: 10px; padding-bottom: 10px; }
  .app-topbar { min-height: 64px; padding-top: 8px; padding-bottom: 8px; }
  .brand-mark { width: 108px; height: 60px; }
  .exit-button { min-height: 46px; padding: 8px 16px; font-size: .95rem; }
  .learning-stage, .letter-tray { padding: 12px; }
  .stage-visual { min-height: 190px; }
  .control-bar { min-height: 72px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* ============================================================
   Andika �?" literacy font for reading text (questions, words)
   ============================================================ */

.q-prompt,
.q-option strong,
.q-slot-letter,
.q-feedback p,
.q-summary-title,
.q-summary-score {
  font-family: 'Andika', 'Trebuchet MS', sans-serif;
}

/* ============================================================
   Header mode tabs �?" Learn / Quiz
   ============================================================ */

.mode-tabs {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  justify-self: center;
  padding: 5px;
  border: 1.5px solid var(--mint-line);
  border-radius: var(--radius-pill);
  background: #F3FDF8;
}

.mode-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 22px;
  border: 1.5px solid transparent;
  border-radius: var(--radius-pill);
  color: var(--evergreen-soft);
  background: transparent;
  font-weight: 900;
  font-size: .95rem;
  cursor: pointer;
  transition: background 160ms var(--ease-out), color 160ms var(--ease-out), transform 160ms var(--ease-out);
}
.mode-tab svg { width: 19px; height: 19px; flex: none; }
.mode-tab:hover { color: var(--evergreen); background: rgba(255,255,255,.75); }
.mode-tab:focus-visible { outline: 3px solid var(--evergreen); outline-offset: 3px; }
.mode-tab.is-active#mode-learn {
  color: var(--evergreen);
  background: var(--mint-action);
  border-color: var(--mint-action-dark);
  box-shadow: 0 3px 10px -6px rgba(10, 127, 96, .55), inset 0 1px 0 rgba(255,255,255,.5);
}
.mode-tab.is-active#mode-phonics,
.mode-tab.is-active#mode-quiz {
  color: #523F08;
  background: var(--sun);
  border-color: #C99A12;
  box-shadow: 0 3px 10px -6px rgba(122, 92, 10, .55), inset 0 1px 0 rgba(255,255,255,.55);
}
.mode-tab.is-active#mode-write {
  color: #523F08;
  background: var(--sun);
  border-color: #C99A12;
  box-shadow: 0 3px 10px -6px rgba(122, 92, 10, .55), inset 0 1px 0 rgba(255,255,255,.55);
}

/* ============================================================
   Quiz mode
   ============================================================ */

.quiz-shell {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: auto auto minmax(min-content, 1fr) auto;
  align-content: stretch;
  gap: clamp(10px, 1.1vw, 16px);
  overflow: auto;
  padding: clamp(12px, 1.3vw, 20px);
  border: 2px solid rgba(132, 221, 183, .7);
  border-radius: var(--radius-card);
  background: rgba(248, 255, 251, .95);
  box-shadow: var(--panel-shadow);
}

/* Keep the final score panel filling its available quiz card, like Write feedback. */
.quiz-summary-shell {
  grid-template-rows: minmax(0, 1fr);
  align-content: stretch;
}

.q-loading { display: grid; place-items: center; min-height: 300px; font-weight: 800; color: var(--evergreen-soft); }

.q-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.q-head .q-dots { flex: 1 1 auto; min-width: 90px; }
.q-head-tools { display: inline-flex; align-items: center; gap: 10px; }

.q-auto {
  --button-bg: #FFFFFF;
  --button-dark: transparent;
  min-height: 44px;
  padding: 8px 16px;
  border: 1.5px solid var(--mint-line-strong);
  border-radius: var(--radius-pill);
  font-weight: 900;
  font-size: .92rem;
  box-shadow: none;
}
.q-auto svg { width: 19px; height: 19px; }
.q-auto:hover:not(:disabled) { transform: none; filter: none; background: #F3FBF7; }
.q-auto:active:not(:disabled) { transform: scale(.96); box-shadow: inset 0 2px 5px rgba(23,62,56,.16); --button-bg: #FFFFFF; --button-dark: transparent; }
.q-auto.is-on { --button-bg: #FFF8DA; border-color: #E5C22B; color: #7A5C0A; }

.q-stars {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 40px;
  padding: 6px 16px;
  border: 1.5px solid #E5C22B;
  border-radius: var(--radius-pill);
  background: #FFF8DA;
  color: #7A5C0A;
  font-weight: 900;
  font-size: 1rem;
}
.q-stars svg { width: 21px; height: 21px; color: #F2B70A; }

.q-dots { display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap; justify-content: center; }
.q-dot { width: 9px; height: 9px; border-radius: 50%; background: #CFF3E4; transition: background 200ms, transform 200ms; }
.q-dot.is-done { background: var(--mint-action); }
.q-dot.is-now { background: var(--evergreen); transform: scale(1.35); }

.q-body { display: grid; gap: clamp(12px, 1.4vw, 18px); }

.q-prompt-row { display: flex; align-items: center; justify-content: center; gap: 12px; width: min(100%, 760px); margin: 0 auto; padding-top: clamp(2px, .4vw, 6px); }

.q-listen {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border: 1.5px solid var(--mint-line-strong);
  border-radius: 50%;
  color: var(--evergreen);
  background: #FFFFFF;
  cursor: pointer;
  box-shadow: none;
  transition: background 160ms var(--ease-out), transform 160ms var(--ease-out), box-shadow 160ms var(--ease-out);
}
.q-listen svg { width: 24px; height: 24px; }
.q-listen:hover { background: #F3FBF7; }
.q-listen:active { transform: scale(.94); box-shadow: inset 0 2px 5px rgba(23, 62, 56, .16); }
.q-listen:focus-visible { outline: 3px solid var(--evergreen); outline-offset: 3px; }

.q-prompt {
  margin: 0;
  color: var(--evergreen);
  font-size: clamp(1.25rem, 2.1vw, 1.9rem);
  font-weight: 700;
  line-height: 1.3;
  text-align: center;
}
.q-prompt strong { color: var(--mint-action-dark); }

.q-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: minmax(min-content, 1fr) auto;
  align-content: stretch;
  gap: clamp(10px, 1.2vw, 16px);
  width: min(100%, 760px);
  margin: 0 auto;
}

/* Wrong pick: persistent light-red card until the child answers correctly */
.q-option.is-wrong {
  border-color: #F3B3B3;
  background: #FFF1F0;
  animation: qShake 420ms var(--ease-out);
}
.q-option.is-wrong strong { color: #B33A3A; }

/* Row 1: the three fixed question slots - one unified display for all question types.
   Each slot hosts its own dedicated generated image later. */
.q-slot {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  min-height: clamp(120px, 16vw, 170px);
  border: 1.5px solid var(--mint-line-strong);
  border-radius: 18px;
  background: #F8FFFB;
}
.q-slot img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: contain; padding: 8px; }
.q-slot .q-decoration { opacity: .48; padding: 0; object-fit: cover; pointer-events: none; }
.q-slot:nth-child(3) .q-decoration { object-position: right bottom; }
.q-slot.doodle-look { background-image: radial-gradient(ellipse at center, #F8FFFB 30%, #F8FFFBCC 63%, transparent 100%), url('assets/images/quiz-scenes/doodle-look.svg'); background-size: cover; }
.q-slot-letter-panel::after { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at center, #F8FFFB 18%, #F8FFFBDF 38%, #F8FFFB00 76%); pointer-events: none; }
.q-slot-letter {
  position: relative;
  z-index: 1;
  font-size: clamp(4.8rem, 9vw, 8rem);
  font-weight: 700;
  line-height: .9;
  color: var(--mint-action-dark);
}

.q-option {
  position: relative;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 7px;
  min-height: 128px;
  padding: 14px 10px;
  border: 1.5px solid var(--mint-line-strong);
  border-radius: 18px;
  color: var(--evergreen);
  background: #FFFFFF;
  cursor: pointer;
  box-shadow: none;
  transition: background 160ms var(--ease-out), transform 160ms var(--ease-out), box-shadow 160ms var(--ease-out);
}
.q-option:hover { background: #F3FBF7; }
.q-option:active { transform: scale(.96); box-shadow: inset 0 2px 5px rgba(23, 62, 56, .16); }
.q-option:focus-visible { outline: 3px solid var(--evergreen); outline-offset: 3px; }
.q-option small { color: var(--evergreen-soft); }

.q-option strong {
  position: relative;
  z-index: 1;
  font-size: clamp(1.15rem, 1.8vw, 1.6rem);
  font-weight: 700;
  line-height: 1.15;
  text-align: center;
}

.q-option strong.q-option-letter { font-size: clamp(3rem, 5vw, 4.4rem); line-height: 1; }

/* Correct pick: persistent light-green card until the next question */
.q-option.is-correct {
  border-color: var(--mint-action-dark);
  background: #E4FBF1;
  box-shadow: 0 0 0 3px rgba(25, 201, 140, .22);
}
.q-option.is-correct strong { color: var(--mint-action-dark); }
.q-option.is-correct::after {
  content: '';
  position: absolute;
  z-index: 2;
  top: 8px;
  right: 8px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #FFFFFF center / 16px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4.5 12.5l5 5 10-11' fill='none' stroke='%230A825D' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  box-shadow: 0 3px 8px rgba(10,40,32,.3);
}

.q-option.is-wrong.is-wrong { animation: qShake 420ms var(--ease-out); }
@keyframes qShake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(7px); }
  60% { transform: translateX(-5px); }
  80% { transform: translateX(3px); }
}

.q-option.is-correct,
.q-option.is-reveal {
  border-color: var(--mint-action-dark);
  background: #E4FBF1;
  box-shadow: 0 0 0 3px rgba(25, 201, 140, .22);
}
.q-option.is-correct::after,
.q-option.is-reveal::after {
  content: '';
  position: absolute;
  z-index: 2;
  top: 8px;
  right: 8px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #FFFFFF center / 16px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4.5 12.5l5 5 10-11' fill='none' stroke='%230A825D' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  box-shadow: 0 3px 8px rgba(10,40,32,.3);
}

/* Bottom bar: always visible, state-colored (idle white / correct green / wrong red) */
.q-feedback-slot {
  width: min(100%, 760px);
  margin: 0 auto;
  display: grid;
}

.q-feedback {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: clamp(64px, 7vw, 80px);
  padding: 10px 16px;
  border: 1.5px solid var(--mint-line-strong);
  border-radius: 18px;
  background: #FFFFFF;
  color: var(--evergreen-soft);
  transition: background 220ms var(--ease-out), border-color 220ms var(--ease-out), color 220ms var(--ease-out);
}

.q-feedback.is-correct { border-color: var(--mint-action-dark); background: #E4FBF1; color: var(--evergreen); animation: qPop 260ms var(--ease-out); }
.q-feedback.is-wrong { border-color: #F3B3B3; background: #FFF1F0; color: #8C3B3B; animation: qPop 260ms var(--ease-out); }
.q-feedback.is-idle p { font-weight: 700; }

@keyframes qPop { from { opacity: .55; transform: scale(.985); } to { opacity: 1; transform: scale(1); } }

.q-feedback-icon { display: grid; place-items: center; width: 40px; height: 40px; flex: none; border-radius: 50%; background: #F3FBF7; color: var(--evergreen-soft); }
.q-feedback.is-correct .q-feedback-icon { background: var(--mint-action); color: #FFFFFF; }
.q-feedback.is-wrong .q-feedback-icon { background: var(--coral); color: #FFFFFF; }
.q-feedback-icon svg { width: 22px; height: 22px; }

.q-feedback p { margin: 0; flex: 1; min-width: 0; font-size: 1.02rem; font-weight: 700; text-align: center; }

.q-feedback .toy-button { flex: none; min-height: 48px; padding: 10px 20px; }
.q-next {
  --button-bg: var(--mint-action);
  --button-dark: transparent;
  border: 1.5px solid var(--mint-action-dark);
  color: var(--evergreen);
  box-shadow: 0 3px 10px -6px rgba(10, 127, 96, .55), inset 0 1px 0 rgba(255, 255, 255, .5);
}
.q-next:hover:not(:disabled) { transform: none; filter: none; background: #1BD797; }
.q-next:active:not(:disabled) { transform: scale(.96); box-shadow: inset 0 2px 5px rgba(10, 60, 45, .22); --button-bg: var(--mint-action); --button-dark: transparent; }
.q-repeat { --button-bg: #FFFFFF; --button-dark: transparent; border: 1.5px solid #F3B3B3; color: #B33A3A; box-shadow: none; }
.q-repeat:hover:not(:disabled) { transform: none; filter: none; background: #FFECEB; }
.q-repeat:active:not(:disabled) { transform: scale(.96); box-shadow: inset 0 2px 5px rgba(23,62,56,.16); --button-bg: #FFFFFF; --button-dark: transparent; }

.q-summary {
  display: grid;
  align-content: center;
  width: 100%;
  min-height: 0;
  justify-items: center;
  text-align: center;
  gap: clamp(9px, 1.2vw, 14px);
  padding: clamp(18px, 2.2vw, 32px);
}

.q-summary-medal {
  display: grid;
  place-items: center;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  background: #FFF8DA;
  border: 3px solid #E5C22B;
  color: #F2B70A;
  box-shadow: 0 12px 26px -16px rgba(122, 92, 10, .55);
  animation: medalPop 480ms var(--ease-out);
}
.q-summary-medal svg { width: 48px; height: 48px; }
@keyframes medalPop {
  0% { transform: scale(.5) rotate(-8deg); opacity: 0; }
  70% { transform: scale(1.08) rotate(2deg); opacity: 1; }
  100% { transform: scale(1) rotate(0); opacity: 1; }
}

.q-summary-title { margin: 0; font-size: clamp(1.4rem, 2.6vw, 2.1rem); font-weight: 700; line-height: 1.25; color: var(--evergreen); }
.q-summary-score { margin: 0; font-size: 1.05rem; color: var(--evergreen-soft); }
.q-summary-score strong { color: var(--evergreen); }

.q-summary-stars { display: inline-flex; gap: 8px; }
.q-star { color: #D9EEE3; }
.q-star svg { width: 38px; height: 38px; }
.q-star.is-filled { color: #F2B70A; filter: drop-shadow(0 4px 8px rgba(242,183,10,.4)); }

.q-summary-best { margin: 0; font-size: .9rem; font-weight: 800; color: var(--evergreen-soft); }
.q-summary-best strong { color: var(--mint-action-dark); }

.q-summary-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 8px; }
.q-summary-actions .toy-button { min-height: 52px; padding: 12px 24px; font-size: 1.02rem; }
.q-restart { --button-bg: #FFFFFF; --button-dark: transparent; border: 1.5px solid var(--mint-line-strong); box-shadow: none; }
.q-restart:hover:not(:disabled) { transform: none; filter: none; background: #F3FBF7; }
.q-restart:active:not(:disabled) { transform: scale(.96); box-shadow: inset 0 2px 5px rgba(23,62,56,.16); --button-bg: #FFFFFF; --button-dark: transparent; }
.q-back-learn { --button-bg: #FFFFFF; --button-dark: transparent; border: 1.5px solid var(--mint-line-strong); box-shadow: none; }
.q-back-learn:hover:not(:disabled) { transform: none; filter: none; background: #F3FBF7; }
.q-back-learn:active:not(:disabled) { transform: scale(.96); box-shadow: inset 0 2px 5px rgba(23,62,56,.16); --button-bg: #FFFFFF; --button-dark: transparent; }

@media (max-width: 1023px) {
  .quiz-shell { overflow: visible; }
}

/* Keep the existing header controls within tablet widths. */
@media (min-width: 640px) and (max-width: 900px) {
  .app-topbar { grid-template-columns: auto minmax(0, 1fr) auto; gap: 10px; }
  .header-space { min-width: 0; }
  .mode-tab { padding: 8px 10px; gap: 5px; }
  .header-actions { gap: 7px; }
  .exit-button span:not(.sr-only) { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .exit-button { padding: 8px 13px; }
}

/* Small screens: letter tiles row on top, quiz card below */
@media (max-width: 639px) {
  .stage-column.quiz-column { grid-template-rows: minmax(0, 1fr); }
}

@media (max-width: 639px) {
  .mode-tabs { padding: 4px; gap: 3px; }
  .mode-tab { min-height: 36px; padding: 6px 13px; font-size: .8rem; gap: 5px; }
  .mode-tab svg { width: 15px; height: 15px; }

  .q-head { gap: 8px; }
  .q-head .q-dots { gap: 4px; }
  .q-auto { min-height: 40px; padding: 6px 12px; font-size: .8rem; }
  .q-stars { min-height: 36px; padding: 4px 12px; font-size: .88rem; }
  .q-stars svg { width: 17px; height: 17px; }
  .q-dot { width: 6px; height: 6px; }
  .q-prompt-row { gap: 9px; }
  .q-listen { width: 46px; height: 46px; }
  .q-listen svg { width: 20px; height: 20px; }
  .q-prompt { font-size: clamp(1.02rem, 4.2vw, 1.25rem); }
  .q-board { gap: 8px; }
  .q-slot { min-height: clamp(88px, 22vw, 120px); border-radius: 14px; }
  .q-slot img { padding: 5px; }
  .q-slot-letter { font-size: clamp(3.6rem, 15vw, 5.2rem); }
  .q-option { min-height: clamp(74px, 17vw, 96px); padding: 8px 6px; border-radius: 14px; }
  .q-option strong { font-size: clamp(.95rem, 3.6vw, 1.15rem); }
  .q-option strong.q-option-letter { font-size: clamp(2rem, 9vw, 2.8rem); }
  .q-feedback { flex-wrap: wrap; gap: 10px; padding: 10px 12px; border-radius: 16px; height: auto; min-height: 60px; }
  .q-feedback p { flex-basis: 100%; order: -1; }
  .q-feedback .toy-button { flex: 1 1 auto; }
  .q-star svg { width: 30px; height: 30px; }
}

/* ============================================================
   Write mode - tracing workspace
   ============================================================ */

.stage-column.write-column { grid-template-rows: minmax(0, 1fr); }

.write-shell {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: auto auto minmax(min-content, 1fr);
  align-content: stretch;
  gap: clamp(10px, 1.1vw, 16px);
  overflow: auto;
  padding: clamp(12px, 1.3vw, 20px);
  border: 2px solid rgba(132, 221, 183, .7);
  border-radius: var(--radius-card);
  background: rgba(248, 255, 251, .95);
  box-shadow: var(--panel-shadow);
}

.w-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: nowrap; min-width: max-content; }
.w-group { display: inline-flex; align-items: center; gap: 8px; flex-shrink: 0; }
.w-controls-group { justify-content: center; }
.w-bar-card {
  min-width: 0;
  border: 1.5px solid var(--mint-line-strong);
  border-radius: 20px;
  background: #FFFFFF;
  padding: 10px 12px;
  overflow-x: auto;
  scrollbar-width: none;
}
.w-bar-card::-webkit-scrollbar { display: none; }
.w-stepper { display: inline-flex; align-items: center; gap: 5px; }

.w-case { display: inline-flex; padding: 4px; gap: 3px; border: 1.5px solid var(--mint-line); border-radius: var(--radius-pill); background: #F3FDF8; }
.w-single-switch { cursor: pointer; transition: transform 120ms var(--ease-out); }
.w-single-switch:active { transform: scale(.95); }
.w-single-switch:focus-visible { outline: 3px solid var(--evergreen); outline-offset: 3px; }
.w-single-switch .w-case-btn { display: inline-flex; justify-content: center; align-items: center; min-width: 62px; min-height: 36px; pointer-events: none; }
.w-case-btn {
  min-height: 44px;
  padding: 7px 14px;
  border: 1.5px solid transparent;
  border-radius: var(--radius-pill);
  color: var(--evergreen-soft);
  background: transparent;
  font-weight: 900;
  font-size: .82rem;
  cursor: pointer;
  transition: background 160ms var(--ease-out), color 160ms var(--ease-out);
}
.w-case-btn:hover { color: var(--evergreen); }
.w-case-btn.is-active { color: var(--evergreen); background: #FFFFFF; border-color: var(--mint-line-strong); box-shadow: 0 2px 6px -3px rgba(23,62,56,.25); }
.w-case-btn:focus-visible { outline: 3px solid var(--evergreen); outline-offset: 3px; }

.w-hear { --button-bg: #FFFFFF; --button-dark: transparent; width: 46px; min-width: 46px; height: 46px; padding: 0; justify-content: center; border: 1.5px solid var(--mint-line-strong); box-shadow: none; }
.w-hear svg { width: 21px; height: 21px; }
.w-hear:hover:not(:disabled) { transform: none; filter: none; background: #F3FBF7; }
.w-hear:active:not(:disabled) { transform: scale(.94); box-shadow: inset 0 2px 5px rgba(23,62,56,.16); }

.w-pen-drop { position: relative; display: inline-flex; align-items: center; gap: 4px; }
.w-pen-current {
  width: 40px;
  height: 40px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--mint-line-strong);
  border-radius: 50%;
  background: #FFFFFF;
  cursor: pointer;
  box-shadow: none;
  transition: background 160ms var(--ease-out), transform 160ms var(--ease-out), box-shadow 160ms var(--ease-out);
}
.w-pen-current:hover { background: #F3FBF7; }
.w-pen-current:active { transform: scale(.94); box-shadow: inset 0 2px 5px rgba(23,62,56,.16); }
.w-pen-current:focus-visible { outline: 3px solid var(--evergreen); outline-offset: 3px; }
.w-pen-dot {
  display: block;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--pen);
  border: 1.5px solid rgba(23,62,56,.18);
}
.w-pen-menu {
  z-index: 30;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1.5px solid var(--mint-line-strong);
  border-radius: 16px;
  background: #FFFFFF;
  box-shadow: var(--panel-shadow);
}
.w-pen-menu[hidden] { display: none; }
.w-pen-menu .w-pen { width: 26px; height: 26px; flex: none; }
.w-pen {
  width: 32px;
  height: 32px;
  padding: 0;
  border: 2px solid rgba(255,255,255,.9);
  border-radius: 50%;
  background: var(--pen);
  cursor: pointer;
  box-shadow: 0 2px 5px -2px rgba(23,62,56,.4);
  transition: transform 160ms var(--ease-out), box-shadow 160ms var(--ease-out);
}
.w-pen:hover { transform: scale(1.12); }
.w-pen.is-active { transform: scale(1.18); box-shadow: 0 0 0 3px #FFFFFF, 0 0 0 5px var(--pen); }
.w-pen:focus-visible { outline: 3px solid var(--evergreen); outline-offset: 3px; }

.w-tool-actions { display: inline-flex; align-items: center; gap: 8px; flex-wrap: nowrap; justify-content: center; }
.w-controls-group .w-tool { padding-inline: 6px; font-size: .75rem; }
.w-head .w-case-btn { padding-inline: 7px; }
.w-tool {
  --button-bg: #FFFFFF;
  --button-dark: transparent;
  min-height: 44px;
  padding: 6px 7px;
  border: 1.5px solid var(--mint-line-strong);
  border-radius: var(--radius-pill);
  font-weight: 900;
  font-size: .8rem;
  box-shadow: none;
}
.w-tool svg { width: 18px; height: 18px; }
.w-tool:hover:not(:disabled) { transform: none; filter: none; background: #F3FBF7; }
.w-tool:active:not(:disabled) { transform: scale(.96); box-shadow: inset 0 2px 5px rgba(23,62,56,.16); }
.w-tool:disabled { opacity: .38; cursor: not-allowed; }
.w-tool.is-on { --button-bg: #E4FBF1; border-color: var(--mint-action-dark); color: var(--mint-action-dark); }
.w-canvas-wrap {
  position: relative;
  width: min(100%, 760px);
  margin: 0 auto;
  aspect-ratio: 16 / 8;
  border: 1.5px solid var(--mint-line-strong);
  border-radius: 20px;
  background: #FFFFFF;
  overflow: hidden;
  touch-action: none;
}
.w-canvas { display: block; width: 100%; height: 100%; cursor: crosshair; touch-action: none; }
@media (max-width: 520px) {
  .w-head { justify-content: space-between; }
  .w-head .w-case-btn { padding-inline: 9px; font-size: .76rem; }
  .w-controls-group, .w-tool-actions { gap: 5px; }
  .w-controls-group .w-tool { padding-inline: 6px; font-size: .75rem; }
  .is-guided .w-progress { display: grid; grid-template-columns: 32px minmax(0,1fr) auto; }
  .is-guided .w-progress-icon { grid-column: 1; grid-row: 1; width: 32px; height: 32px; }
  .is-guided .w-progress-body { grid-column: 2 / -1; grid-row: 1; }
  .is-guided .w-progress-num { grid-column: 2; grid-row: 2; justify-self: end; }
  .is-guided .w-progress > button { grid-column: 3; grid-row: 2; }
}

.w-start-dot {
  position: absolute;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--coral);
  border: 3px solid #FFFFFF;
  box-shadow: 0 2px 6px rgba(200, 66, 66, .45);
  pointer-events: none;
  transform: translate(-50%, -50%);
  animation: dotPulse 1.6s ease-in-out infinite;
}
@keyframes dotPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.25); }
}

.w-progress-slot { width: min(100%, 760px); margin: 0 auto; display: grid; }
.w-progress {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: clamp(64px, 7vw, 80px);
  padding: 10px 16px;
  border: 1.5px solid var(--mint-line-strong);
  border-radius: 18px;
  background: #FFFFFF;
  color: var(--evergreen-soft);
  transition: background 220ms var(--ease-out), border-color 220ms var(--ease-out), color 220ms var(--ease-out);
}
/* A restrained polished rim on the board surfaces; artwork remains untouched. */
.learning-stage,
.letter-tray,
.control-bar,
.quiz-shell,
.write-shell {
  background-image: linear-gradient(155deg, rgba(255,255,255,.72), rgba(255,255,255,0) 38%);
  box-shadow: var(--panel-shadow), inset 0 2px 1px rgba(255,255,255,.92), inset 0 -2px 5px rgba(23,62,56,.045);
}

.w-progress.is-done { border-color: var(--mint-action-dark); background: #E4FBF1; color: var(--evergreen); animation: qPop 260ms var(--ease-out); }
.w-progress.is-bad { border-color: #F3B3B3; background: #FFF1F0; color: #8C3B3B; animation: qPop 260ms var(--ease-out); }
.w-progress-icon { display: grid; place-items: center; width: 40px; height: 40px; flex: none; border-radius: 50%; background: #F3FBF7; color: var(--evergreen-soft); }
.w-progress.is-done .w-progress-icon { background: var(--mint-action); color: #FFFFFF; }
.w-progress.is-bad .w-progress-icon { background: var(--coral); color: #FFFFFF; }

/* Write bottom-bar actions - fixed mint like Quiz Next, never per-letter. */
.w-check,
#w-next-letter {
  --button-bg: var(--mint-action);
  --button-dark: transparent;
  flex: none;
  min-height: 48px;
  width: 118px;
  min-width: 118px;
  align-self: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  padding: 10px 20px;
  border: 1.5px solid var(--mint-action-dark);
  color: var(--evergreen);
  box-shadow: 0 3px 10px -6px rgba(10, 127, 96, .55), inset 0 1px 0 rgba(255,255,255,.5);
}
.w-check:hover:not(:disabled),
#w-next-letter:hover:not(:disabled) { transform: none; filter: none; background: #1BD797; }
.w-check:active:not(:disabled),
#w-next-letter:active:not(:disabled) { transform: scale(.96); box-shadow: inset 0 2px 5px rgba(10, 60, 45, .22); --button-bg: var(--mint-action); --button-dark: transparent; }
.w-progress-icon svg { width: 22px; height: 22px; }
.w-progress-body { flex: 1; min-width: 0; display: grid; gap: 7px; }
.w-progress-body strong { font-size: 1rem; }
.w-bar { display: block; height: 12px; border-radius: 999px; background: #EAF7F0; overflow: hidden; }
.w-bar-fill { display: block; height: 100%; width: 0; border-radius: 999px; background: var(--mint-action); transition: width 260ms var(--ease-out); }
.w-progress-num { flex: none; font-weight: 900; font-size: 1.02rem; color: var(--mint-action-dark); min-width: 44px; text-align: right; }

@media (max-width: 639px) {
  .w-head { gap: 6px; }
  .w-hear { width: 42px; min-width: 42px; height: 42px; }
  .w-case-btn { min-height: 34px; padding: 6px 12px; font-size: .78rem; }
  .w-bar-card { padding: 8px 10px; border-radius: 16px; }
  .w-pen { width: 27px; height: 27px; }
  .w-pen-current { width: 38px; height: 38px; }
  .w-tool { min-height: 40px; padding: 7px 12px; font-size: .78rem; }
  .w-canvas-wrap { aspect-ratio: 4 / 3; border-radius: 16px; }
  .w-progress { flex-wrap: wrap; gap: 10px; min-height: 58px; padding: 9px 12px; }
  .w-check,
  #w-next-letter { flex: 1 1 auto; min-height: 46px; }
  .w-progress-body strong { font-size: .88rem; }
  .w-bar { height: 9px; }
  .w-progress-num { font-size: .88rem; min-width: 38px; }
}


/* Four mode tabs must fit without displacing the existing header actions. */
.header-space { min-width: 0; }
.mode-tab { min-height: 44px; }
@media (min-width: 640px) and (max-width: 1100px) {
  .app-topbar { gap: 10px; }
  .mode-tab { padding: 8px 10px; gap: 5px; }
  .header-actions { gap: 7px; }
  .exit-button span:not(.sr-only),
  .speed-button span:not(.sr-only) { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .speed-button { padding: 8px 12px; }
}
@media (max-width: 639px) {
  .mode-tabs { width: 100%; max-width: 460px; padding: 3px; gap: 2px; }
  .mode-tab { flex: 1 1 0; min-width: 0; min-height: 44px; padding: 6px 4px; font-size: .76rem; gap: 4px; }
  .mode-tab svg { width: 14px; height: 14px; }
}

/* Approved responsive presentation; the desktop rules above remain the reference. */
@media (max-width: 1023px) {
  .board.is-responsive { grid-template-rows: auto minmax(0, 1fr); }
  .is-responsive .app-topbar {
    padding-top: max(12px, env(safe-area-inset-top));
    padding-left: max(clamp(20px, 2.2vw, 34px), env(safe-area-inset-left));
    padding-right: max(clamp(20px, 2.2vw, 34px), env(safe-area-inset-right));
  }
  .is-responsive .workspace { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
  .is-responsive .stage-column { display: block; order: 0; flex: none; min-width: 0; }
  .is-responsive .letter-tray { flex: none; grid-template-rows: auto auto; gap: 8px; }
  .is-responsive .responsive-selector {
    --selector-size: 90px;
    display: grid;
    grid-auto-flow: column;
    grid-template-columns: none;
    grid-template-rows: var(--selector-size);
    grid-auto-columns: var(--selector-size);
    align-content: start;
    justify-content: start;
    gap: 10px;
    min-width: 0;
    padding: 10px;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-x: contain;
    scroll-snap-type: x proximity;
    scroll-padding-inline: 10px;
    scrollbar-width: thin;
    scrollbar-color: var(--mint-line-strong) transparent;
  }
  .is-responsive .responsive-selector[data-selector-rows="2"] {
    --selector-size: clamp(90px, 11vw, 112px);
    grid-template-rows: repeat(2, var(--selector-size));
  }
  .is-responsive .responsive-selector .letter-tile {
    width: 100%; height: 100%; min-height: 44px; aspect-ratio: auto;
    scroll-snap-align: start;
  }
  .is-responsive .responsive-selector .letter-tile > span { font-size: clamp(28px, 6vw, 42px); }
  .is-responsive .control-bar { display: flex; flex-wrap: nowrap; margin-top: auto; gap: 8px; min-height: 76px; padding: 10px; }
  .is-responsive .bar-button { min-height: 48px; padding: 10px; font-size: 1.02rem; white-space: nowrap; }
  .is-responsive .compact-actions { justify-content: space-around; }
  .is-responsive .compact-actions .bar-button { flex: 0 0 52px; width: 52px; height: 52px; padding: 10px; }
  .is-responsive .compact-actions .bar-button > span { display: none; }
  .is-responsive .learning-stage:not(.phonics-stage) { min-height: 0; }
  .is-responsive .stage-visual { min-height: clamp(220px, 45vw, 380px); }
  .is-responsive .quiz-shell, .is-responsive .write-shell { overflow: visible; }
  .is-responsive .quiz-shell { grid-template-rows: auto auto auto auto; }
  .is-responsive .quiz-summary-shell { grid-template-rows: minmax(0,1fr); }
  .is-responsive .q-head { flex-wrap: nowrap; gap: 8px; }
  .is-responsive .q-head .q-dots { min-width: 0; gap: 3px; }
  .is-responsive .q-head-tools { gap: 8px; }
  .is-responsive .q-auto, .is-responsive .q-listen { min-width: 44px; min-height: 44px; }
  .is-responsive .q-slot { min-height: clamp(120px, 24vw, 220px); }
  .is-responsive .q-option { min-height: clamp(80px, 18vw, 110px); overflow-wrap: anywhere; }
  .is-responsive .w-head { min-width: 0; gap: 8px; }
  .is-responsive .w-bar-card { overflow: visible; }
  .is-responsive .w-head.responsive-two-rows { flex-direction: column; align-items: stretch; }
  .is-responsive .responsive-two-rows .w-group { display: flex; justify-content: space-between; gap: 8px; }
  .is-responsive .responsive-two-rows .w-tool-actions { display: flex; width: 100%; gap: 8px; }
  .is-responsive .responsive-two-rows .w-tool { flex: 1 1 0; }
  .is-responsive .responsive-two-rows .w-group:not(.w-controls-group) { gap: 6px; }
  .is-responsive .responsive-two-rows .w-single-switch { padding: 3px; }
  .is-responsive .responsive-two-rows .w-single-switch .w-case-btn { min-width: 52px; padding-inline: 4px; }
  .is-responsive .w-head .w-tool { min-height: 44px; min-width: 44px; }
  .is-responsive .w-head .w-single-switch { min-height: 44px; }
  .is-responsive .w-head .w-hear, .is-responsive .w-pen-current { min-width: 44px; width: 44px; height: 44px; }
  .is-responsive .w-head .w-case-btn { min-height: 34px; }
  .is-responsive .w-pen-menu .w-pen { min-width: 44px; width: 44px; height: 44px; }
  .is-responsive .responsive-two-rows > .w-pen-menu { display: grid; grid-template-columns: repeat(4,44px); gap: 6px; align-self: flex-start; max-width: 100%; }
  .is-responsive .responsive-two-rows > .w-pen-menu[hidden] { display: none; }
  .is-responsive .w-canvas-wrap { aspect-ratio: auto; height: clamp(280px, 75vw, 420px); }
  .is-responsive.is-short-landscape .stage-visual { min-height: 220px; }
  .is-responsive.is-short-landscape .w-canvas-wrap { height: 260px; }
}
@media (max-width: 639px) {
  .is-responsive .app-topbar {
    row-gap: 4px;
    padding-top: max(8px, env(safe-area-inset-top));
    padding-left: max(14px, env(safe-area-inset-left));
    padding-right: max(14px, env(safe-area-inset-right));
  }
  .is-responsive .mute-button { min-width: 44px; min-height: 44px; }
  .is-responsive .speed-button { min-height: 44px; }
  .is-responsive .q-head .q-dots { display: none; }
}
@media (min-width: 1921px) {
  #app { display: grid; place-items: center; }
  .board { width: 1920px; height: min(100dvh, 1080px); }
}

/* Alphabet glyphs scale with their own button, not the viewport. Keep the
   approved Andika face, pigments and press effect at every screen size. */
.letter-tile { container-type: inline-size; }
.letter-tile:not(.phonics-choice) > span,
.is-responsive .responsive-selector .letter-tile:not(.phonics-choice) > span {
  font-size: clamp(28px, 64cqw, 68px);
}

/* Learn portrait: the supplied reference locks image above the centered card.
   Existing header, selector skin and bottom controls are not redesigned. */
@media (max-width: 599px) and (orientation: portrait) {
  .mode-learn .stage-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 328px;
    padding: 10px 12px 14px;
  }
  .mode-learn .object-zone {
    position: relative;
    inset: auto;
    flex: none;
    width: 100%;
    height: 142px;
  }
  .mode-learn .object-image { max-width: 230px; }
  .mode-learn .letter-card {
    position: relative;
    top: auto;
    left: auto;
    width: min(78%, 260px);
    min-width: 0;
    transform: none;
    flex: none;
    padding: 10px 12px;
    gap: 6px;
  }
  .mode-learn .stage-enter .letter-card { animation-name: portraitCardReveal; }
  .mode-learn .image-fallback { inset: 10px 12px auto; height: 142px; }
}
@keyframes portraitCardReveal {
  from { opacity: 0; transform: translateY(6px) scale(.95); }
  to { opacity: 1; transform: none; }
}

/* Tablet Learn keeps image/card alongside one another and gives spare height
   to the learning surface, never an empty gap before the action bar. */
@media (min-width: 600px) and (max-width: 1199px) and (min-height: 501px) {
  .mode-learn.is-responsive .stage-column { display: flex; flex-direction: column; flex: 1 0 auto; }
  .mode-learn.is-responsive .learning-stage { flex: 1; }
  .mode-learn.is-responsive .stage-visual { min-height: 390px; }
  .mode-learn.is-responsive .control-bar { margin-top: 0; }
}
@media (min-width: 1024px) and (max-width: 1199px) and (min-height: 501px) {
  body.learn-tablet-layout, body.phonics-tablet-layout, body.quiz-tablet-layout, body.write-tablet-layout { overflow: auto; }
  .board:is(.is-learn-tablet, .is-phonics-tablet, .is-quiz-tablet, .is-write-tablet) { min-height: 100dvh; height: auto; overflow: visible; }
  :is(.is-learn-tablet, .is-phonics-tablet, .is-quiz-tablet, .is-write-tablet) .workspace { display: flex; flex-direction: column; gap: 11px; }
  :is(.is-learn-tablet, .is-phonics-tablet, .is-quiz-tablet, .is-write-tablet) .letter-tray { flex: none; grid-template-rows: auto auto; gap: 8px; }
  :is(.is-learn-tablet, .is-phonics-tablet, .is-quiz-tablet, .is-write-tablet) .responsive-selector {
    display: grid;
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-template-rows: repeat(2, var(--selector-size));
    grid-auto-columns: var(--selector-size);
    align-content: start;
    justify-content: start;
    gap: 10px;
    min-width: 0;
    padding: 10px;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-x: contain;
    scroll-snap-type: x proximity;
    scroll-padding-inline: 10px;
    scrollbar-width: thin;
    scrollbar-color: var(--mint-line-strong) transparent;
  }
  :is(.is-learn-tablet, .is-phonics-tablet, .is-quiz-tablet, .is-write-tablet) .responsive-selector .letter-tile {
    width: 100%; height: 100%; min-height: 44px; aspect-ratio: auto;
    scroll-snap-align: start;
  }
  .mode-learn.is-learn-tablet .stage-visual { min-height: 220px; --card-width: min(42%, 300px); }
  .is-learn-tablet .object-image { max-width: 350px; }
  :is(.is-learn-tablet, .is-phonics-tablet) .control-bar { flex-wrap: nowrap; gap: 8px; min-height: 76px; padding: 10px; }
  :is(.is-learn-tablet, .is-phonics-tablet) .bar-button { min-height: 48px; padding: 10px; font-size: 1.02rem; white-space: nowrap; }
  /* Quiz landscape follows the portrait flow without compressing question media. */
  .is-quiz-tablet .stage-column { display: block; order: 0; flex: none; min-width: 0; }
  .is-quiz-tablet .quiz-shell { overflow: visible; grid-template-rows: auto auto auto auto; }
  .is-quiz-tablet .quiz-summary-shell { grid-template-rows: minmax(0, 1fr); }
  .is-quiz-tablet .q-slot { min-height: clamp(120px, 24vw, 220px); }
  .is-write-tablet .stage-column { display: block; order: 0; flex: none; min-width: 0; }
  .is-write-tablet .write-shell { overflow: visible; grid-template-rows: auto auto auto; }
  .is-write-tablet .w-bar-card { overflow: visible; }
}

/* Phone portrait only: one circular toolbar, read from right to left as
   Sound, Color, Case, Trace/Write, Clear, Undo, Show Me. Names remain accessible. */
@media (max-width: 599px) and (orientation: portrait) {
  .mode-write .w-bar-card { padding-inline: 5px; position: relative; z-index: 2; container-type: inline-size; }
  .mode-write .responsive-circle-tools {
    --write-tool-size: clamp(34px, calc((100cqw - 12px) / 7), 44px);
    flex-direction: row; justify-content: space-between; align-items: center; gap: 2px;
  }
  .mode-write .responsive-circle-tools .w-group,
  .mode-write .responsive-circle-tools .w-tool-actions { display: contents; }
  .mode-write .responsive-circle-tools :is(.w-tool, .w-hear, .w-single-switch, .w-pen-current) {
    flex: none; width: var(--write-tool-size); min-width: var(--write-tool-size);
    height: var(--write-tool-size); min-height: var(--write-tool-size);
    padding: 0; border-radius: 50%; justify-content: center;
  }
  .mode-write .responsive-circle-tools .w-single-switch { padding: 3px; }
  .mode-write .responsive-circle-tools .w-case-btn {
    width: 100%; height: 100%; min-width: 0; min-height: 0; padding: 0;
    border-radius: 50%; font-size: 0;
  }
  .mode-write .responsive-circle-tools .w-case-btn::after { content: attr(data-compact-label); font-size: 18px; line-height: 1; }
  .mode-write .responsive-circle-tools .w-tool > span { display: none; }
  .mode-write .responsive-circle-tools .w-tool svg { width: 20px; height: 20px; }
  .mode-write .responsive-circle-tools .w-pen-menu {
    position: absolute; top: calc(100% + 8px); right: 0;
    display: grid; grid-template-columns: repeat(2, 44px); gap: 6px;
    width: max-content; padding: 6px; z-index: 30;
  }
  .mode-write .responsive-circle-tools .w-pen-menu[hidden] { display: none; }
}