/* Shellfie — look follows the Turtle Books lockup: thick ink line-art, deep forest green, pale sage
   panels, chunky rounded caps type. The futuristic layer: glass panels, a soft aurora, neon mint/lime glows. */
:root{
  --ink:#10221a; --ink-2:#3c4f45; --ink-3:#6b7d72;
  --forest:#1e5a2b; --forest-2:#134020; --forest-3:#2c7a3c;
  --sage:#eef3ea; --sage-2:#e2ebdc; --paper:#fffdf6; --white:#fff;
  --cursor:#00c853; --mint:#3fe0a0; --lime:#c4f26a; --sky:#8fd8ff; --sun:#ffd25a; --sun-soft:#fff0a8; --coral:#ff8a73; --gold:#f5b72e;
  --read:#a3b0a7; --glass:rgba(255,255,255,.62); --glass-2:rgba(255,255,255,.78); --line:rgba(16,34,26,.12);
  --r:22px; --r-lg:30px; --stroke:3px;
  --shadow:0 1px 0 rgba(255,255,255,.7) inset,0 10px 30px -12px rgba(19,64,32,.35),0 2px 6px rgba(19,64,32,.08);
  --glow:0 0 0 4px rgba(63,224,160,.35),0 0 26px rgba(63,224,160,.55);
  --ui:"Fredoka","Baloo 2",ui-rounded,system-ui,-apple-system,"Segoe UI",sans-serif;
  --read-font:"Andika","Lexend",system-ui,sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
[hidden]{display:none!important}
html,body{margin:0;height:100%;overscroll-behavior:none}
body{font-family:var(--ui);color:var(--ink);background:var(--sage);-webkit-font-smoothing:antialiased;overflow:hidden;
  padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;padding:0}
button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:none;box-shadow:var(--glow);border-radius:14px}
svg{display:block}

/* Aurora + dot grid backdrop */
.sky{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;
  background:radial-gradient(circle at 1px 1px,rgba(16,34,26,.09) 1px,transparent 1.4px) 0 0/22px 22px,linear-gradient(180deg,#f3f8ef,#e4eee0)}
.sky i{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55;animation:drift 22s ease-in-out infinite alternate}
.sky i:nth-child(1){width:46vmax;height:46vmax;left:-12vmax;top:-14vmax;background:#9ff0c8}
.sky i:nth-child(2){width:38vmax;height:38vmax;right:-10vmax;top:10vh;background:#d9f79a;animation-delay:-7s}
.sky i:nth-child(3){width:40vmax;height:40vmax;left:20vw;bottom:-22vmax;background:#b8e6ff;animation-delay:-14s}
@keyframes drift{to{transform:translate(4vmax,3vmax) scale(1.08)}}

.screen{position:fixed;inset:0;z-index:1;display:flex;flex-direction:column;overflow:hidden;
  padding:env(safe-area-inset-top) max(16px,env(safe-area-inset-right)) env(safe-area-inset-bottom) max(16px,env(safe-area-inset-left));
  animation:screenIn .35s cubic-bezier(.2,.8,.2,1)}
@keyframes screenIn{from{opacity:0;transform:translateY(12px) scale(.99)}}
.scroll{overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;flex:1;padding-bottom:28px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:56px;padding:0 28px;border-radius:999px;
  font-weight:700;font-size:20px;letter-spacing:.02em;color:#fff;border:var(--stroke) solid var(--ink);
  background:linear-gradient(180deg,var(--forest-3),var(--forest) 55%,var(--forest-2));
  box-shadow:0 2px 0 rgba(255,255,255,.35) inset,0 5px 0 var(--ink),0 12px 24px -8px rgba(30,90,43,.6);
  transition:transform .12s,box-shadow .12s,filter .2s}
.btn:hover{filter:brightness(1.07) saturate(1.1)}
.btn:active{transform:translateY(4px);box-shadow:0 2px 0 rgba(255,255,255,.35) inset,0 1px 0 var(--ink),0 6px 14px -8px rgba(30,90,43,.6)}
.btn.ghost{color:var(--ink);background:var(--glass-2);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.btn.big{min-height:76px;font-size:30px;padding:0 44px}
.btn .glint{position:absolute}
.icon-btn{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:var(--glass-2);
  border:var(--stroke) solid var(--ink);box-shadow:0 3px 0 var(--ink);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:transform .12s}
.icon-btn:active{transform:translateY(3px);box-shadow:0 0 0 var(--ink)}
.icon-btn svg{width:26px;height:26px}

.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;background:var(--sage-2);font-weight:600;font-size:14px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-2)}

/* Wordmark (lockup style: heavy rounded caps) */
.wordmark{font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--forest);line-height:1}
.wordmark b{color:var(--ink)}

/* Mascot */
.turtle{overflow:visible}
.turtle .ln{fill:none;stroke:var(--ink);stroke-width:8;stroke-linecap:round;stroke-linejoin:round}
.turtle .shell{fill:url(#holo);stroke:var(--ink);stroke-width:8;stroke-linejoin:round}
.turtle .face{fill:#fff;stroke:var(--ink);stroke-width:8}
.turtle .foot{fill:#fff;stroke:var(--ink);stroke-width:8;stroke-linejoin:round}
.turtle .mouth{fill:#ff9b8a;stroke:var(--ink);stroke-width:6;stroke-linejoin:round}
.turtle .cheek{fill:#ff8a73;opacity:.35}
.turtle .eye{stroke:var(--ink);stroke-width:8;stroke-linecap:round;transform-box:fill-box;transform-origin:center}
.turtle .wave{fill:none;stroke:var(--forest-3);stroke-width:7;stroke-linecap:round;opacity:.0;transition:opacity .3s}
.turtle .head{transform-box:view-box;transform-origin:100px 140px;transition:transform .25s}
.turtle .bubble,.turtle .zz{opacity:0;transition:opacity .3s}
.turtle .eyes-closed{opacity:0}
.turtle .eyes{animation:blink 4.6s infinite}
@keyframes blink{0%,94%,100%{transform:scaleY(1)}96%{transform:scaleY(.1)}}
.turtle.listening .wave{opacity:1;animation:wave 1.1s ease-in-out infinite}
.turtle.listening .wave.w2{animation-delay:.18s}
@keyframes wave{0%,100%{opacity:.25}50%{opacity:1}}
.turtle.following .head{animation:nod .5s ease}
@keyframes nod{40%{transform:translateY(5px) rotate(-2deg)}}
.turtle.thinking .head{transform:rotate(-9deg)}
.turtle.thinking .bubble{opacity:1}
.turtle.thinking .bubble circle{animation:dot 1.2s infinite}
.turtle.thinking .bubble circle:nth-child(3){animation-delay:.2s}.turtle.thinking .bubble circle:nth-child(4){animation-delay:.4s}
@keyframes dot{50%{transform:translateY(-3px)}}
.turtle.celebrating{animation:hop .6s ease infinite}
@keyframes hop{50%{transform:translateY(-10%) rotate(3deg)}}
.turtle.sleeping .head{transform:translateY(6px)}
.turtle.sleeping .eyes{opacity:0;animation:none}
.turtle.sleeping .eyes-closed{opacity:1}
.turtle.sleeping .zz{opacity:1;animation:zz 2.4s ease-in-out infinite}
@keyframes zz{50%{transform:translate(4px,-6px)}}
@media (prefers-reduced-motion:reduce){.turtle *, .turtle{animation:none!important}.sky i{animation:none}}

/* ── Onboarding ── */
#onboard{align-items:center;justify-content:center;text-align:center;gap:18px}
.hero-ring{position:relative;width:min(70vw,320px);aspect-ratio:1;display:grid;place-items:center}
.hero-ring::before{content:"";position:absolute;inset:0;border-radius:50%;border:var(--stroke) solid var(--ink);background:var(--glass);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:var(--shadow)}
.hero-ring::after{content:"";position:absolute;inset:-14px;border-radius:50%;
  background:conic-gradient(from 0deg,var(--mint),var(--lime),var(--sky),var(--mint));
  -webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 4px),#000 calc(100% - 3px));mask:radial-gradient(farthest-side,transparent calc(100% - 4px),#000 calc(100% - 3px));
  animation:spin 9s linear infinite;opacity:.9}
@keyframes spin{to{transform:rotate(360deg)}}
.hero-ring .turtle{position:relative;z-index:1;width:72%}
.hero-ring .arc{position:absolute;inset:0;z-index:1;width:100%;height:100%}
.hero-ring .arc text{font-family:var(--ui);font-weight:700;font-size:25px;letter-spacing:.14em;fill:var(--ink)}
#onboard h1{margin:6px 0 0;font-size:clamp(40px,9vw,64px)}
#onboard p{margin:0;color:var(--ink-2);font-size:19px;max-width:420px}
.miclevel{width:220px;height:12px;border-radius:99px;border:var(--stroke) solid var(--ink);background:#fff;overflow:hidden}
.miclevel i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--mint),var(--lime));transition:width .08s}
.hint{font-size:15px;color:var(--ink-2);background:var(--glass-2);border:2px dashed var(--ink-3);border-radius:16px;padding:10px 14px;max-width:420px}

/* ── Top bars ── */
.topbar{display:flex;align-items:center;gap:12px;padding:14px 0 10px;flex-shrink:0}
.topbar .grow{flex:1;min-width:0}
.topbar h2{margin:0;font-size:24px;line-height:1.1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand{display:flex;align-items:center;gap:10px}
.brand .turtle{width:54px}
.brand .wordmark{font-size:26px}

/* Language switch */
.lang{display:inline-flex;padding:5px;border-radius:999px;border:var(--stroke) solid var(--ink);background:var(--glass-2);box-shadow:0 3px 0 var(--ink);position:relative}
.lang button{position:relative;z-index:1;min-width:112px;height:46px;border-radius:999px;font-weight:700;font-size:19px;color:var(--ink-2);transition:color .25s}
.lang button[aria-pressed=true]{color:#fff}
.lang .pill{position:absolute;top:5px;bottom:5px;left:5px;width:112px;border-radius:999px;background:linear-gradient(180deg,var(--forest-3),var(--forest));box-shadow:0 0 18px rgba(63,224,160,.55);transition:transform .35s cubic-bezier(.3,1.4,.5,1)}
.lang.es .pill{transform:translateX(112px)}

/* ── Grade selector ── */
#grades .scroll{display:flex;flex-direction:column;align-items:center;gap:22px;padding-top:6px}
.greet{text-align:center}
.greet h1{margin:0;font-size:clamp(30px,6vw,46px)}
.greet p{margin:4px 0 0;color:var(--ink-2);font-size:18px}
.grade-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;width:100%;max-width:720px}
@media (max-width:520px){.grade-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}}
.grade-tile{position:relative;aspect-ratio:1/1.02;border-radius:var(--r-lg);border:var(--stroke) solid var(--ink);background:var(--glass-2);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 6px 0 var(--ink),var(--shadow);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  transition:transform .18s cubic-bezier(.3,1.5,.5,1),box-shadow .18s;overflow:hidden}
.grade-tile::before{content:"";position:absolute;inset:auto -30% -55% -30%;height:80%;border-radius:50%;background:radial-gradient(closest-side,var(--c,#9ff0c8),transparent);opacity:.75}
.grade-tile:hover{transform:translateY(-4px) rotate(-1deg)}
.grade-tile:active{transform:translateY(5px);box-shadow:0 1px 0 var(--ink),var(--shadow)}
.grade-tile .num{position:relative;width:62%;aspect-ratio:1;border-radius:50%;display:grid;place-items:center;border:var(--stroke) solid var(--ink);
  background:linear-gradient(180deg,var(--forest-3),var(--forest-2));color:#fff;font-weight:700;font-size:clamp(40px,9vw,64px);box-shadow:0 0 0 6px #fff,0 0 0 9px var(--ink),0 0 30px rgba(63,224,160,.6)}
.grade-tile .lbl{position:relative;font-weight:700;font-size:17px;letter-spacing:.08em;text-transform:uppercase}
.grade-tile .ribbon{position:absolute;top:12px;right:12px;font-size:13px;font-weight:700;padding:3px 9px;border-radius:99px;background:var(--lime);border:2px solid var(--ink)}
.stats-row{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.stat{display:flex;align-items:center;gap:10px;padding:10px 18px 10px 12px;border-radius:999px;border:var(--stroke) solid var(--ink);background:var(--glass-2);box-shadow:0 3px 0 var(--ink);font-weight:700;font-size:18px}
.stat .ico{width:34px;height:34px}

/* Parent gate: press and hold */
.gate{position:relative}
.gate svg.ring{position:absolute;inset:-6px;width:calc(100% + 12px);height:calc(100% + 12px);transform:rotate(-90deg);pointer-events:none}
.gate svg.ring circle{fill:none;stroke:var(--mint);stroke-width:5;stroke-linecap:round;stroke-dasharray:180;stroke-dashoffset:180}
.gate.holding svg.ring circle{transition:stroke-dashoffset 1.2s linear;stroke-dashoffset:0}
.gate-tip{position:absolute;right:0;top:calc(100% + 8px);white-space:nowrap;font-size:13px;font-weight:600;background:var(--ink);color:#fff;padding:6px 10px;border-radius:10px;opacity:0;transition:opacity .2s;pointer-events:none;z-index:5}
.gate.tip .gate-tip{opacity:1}

/* ── Bookshelf ── */
.shelf-controls{display:flex;gap:10px;flex-wrap:wrap;align-items:center;padding-bottom:8px;flex-shrink:0}
.seg{display:inline-flex;border:var(--stroke) solid var(--ink);border-radius:999px;overflow:hidden;background:var(--glass-2);box-shadow:0 3px 0 var(--ink)}
.seg button{padding:9px 14px;font-weight:600;font-size:15px}
.seg button[aria-pressed=true]{background:var(--forest);color:#fff}
.toggle{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:15px;padding:6px 12px 6px 6px;border-radius:999px;border:var(--stroke) solid var(--ink);background:var(--glass-2);box-shadow:0 3px 0 var(--ink)}
.toggle .sw{width:46px;height:28px;border-radius:99px;background:#cfd8cc;position:relative;border:2px solid var(--ink);transition:background .2s}
.toggle .sw::after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:#fff;border:2px solid var(--ink);transition:transform .25s cubic-bezier(.3,1.5,.5,1)}
.toggle[aria-checked=true] .sw{background:var(--mint)}
.toggle[aria-checked=true] .sw::after{transform:translateX(18px)}
.genre-chips{display:flex;gap:8px;overflow-x:auto;padding:4px 2px 12px;scrollbar-width:none;flex-shrink:0}
.genre-chips::-webkit-scrollbar{display:none}
.genre-chips button{flex-shrink:0;padding:8px 14px;border-radius:999px;border:2px solid var(--ink);background:var(--glass-2);font-weight:600;font-size:15px;white-space:nowrap}
.genre-chips button[aria-pressed=true]{background:var(--ink);color:#fff}

.picks{display:flex;align-items:center;gap:16px;margin:4px 0 18px;padding:14px 16px;border-radius:var(--r);border:var(--stroke) solid var(--ink);
  background:linear-gradient(110deg,rgba(255,255,255,.85),rgba(220,250,232,.85));box-shadow:0 5px 0 var(--ink),var(--shadow);text-align:left;width:100%;position:relative;overflow:hidden}
.picks::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.7) 50%,transparent 60%);transform:translateX(-100%);animation:sheen 4.5s ease-in-out infinite}
@keyframes sheen{60%,100%{transform:translateX(100%)}}
.picks .turtle{width:64px;flex-shrink:0}
.picks small{display:block;font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--forest-3)}
.picks strong{display:block;font-size:20px;line-height:1.15}
.picks .go{margin-left:auto;flex-shrink:0}

.shelf{margin-bottom:14px}
.shelf h3{display:flex;align-items:center;gap:10px;margin:0 0 8px;font-size:15px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--forest)}
.shelf h3 .count{font-size:12px;color:var(--ink-3);letter-spacing:.04em}
.shelf h3.mine::after{content:attr(data-mine);font-size:11px;padding:2px 8px;border-radius:99px;background:var(--lime);color:var(--ink);border:2px solid var(--ink)}
.row{display:flex;gap:14px;overflow-x:auto;padding:4px 4px 16px;scroll-snap-type:x proximity;scrollbar-width:none}
.row::-webkit-scrollbar{display:none}
.book{position:relative;flex:0 0 auto;width:138px;scroll-snap-align:start;text-align:left}
.cover{position:relative;height:184px;border-radius:18px;border:var(--stroke) solid var(--ink);overflow:hidden;box-shadow:0 5px 0 var(--ink);
  background:var(--cv,linear-gradient(160deg,#7fe3b6,#1e5a2b));display:flex;flex-direction:column;justify-content:space-between;padding:12px 11px;transition:transform .18s cubic-bezier(.3,1.5,.5,1)}
.book:hover .cover{transform:translateY(-4px) rotate(-1.5deg)}
.book:active .cover{transform:translateY(3px)}
.cover::before{content:"";position:absolute;left:0;top:0;bottom:0;width:10px;background:linear-gradient(90deg,rgba(0,0,0,.18),transparent)}
.cover::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.45),transparent 38%);pointer-events:none}
.cover .em{font-size:52px;line-height:1;filter:drop-shadow(0 3px 0 rgba(0,0,0,.18));align-self:center;margin-top:6px}
.cover .ttl{position:relative;z-index:1;font-weight:700;font-size:15px;line-height:1.15;color:#fff;text-shadow:0 1px 0 rgba(0,0,0,.25);display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere;hyphens:auto}
.book.ttl-lg .cover .ttl{font-size:13px;-webkit-line-clamp:5}
.book.ttl-xl .cover .ttl{font-size:11.5px;line-height:1.12;-webkit-line-clamp:6}
.book .by{margin-top:8px;font-size:12.5px;font-weight:500;color:var(--ink-2);line-height:1.2;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.book.soon .cover{background:repeating-linear-gradient(135deg,rgba(255,255,255,.75) 0 12px,rgba(240,246,236,.75) 12px 24px);box-shadow:0 5px 0 rgba(16,34,26,.35);border-color:rgba(16,34,26,.4)}
.book.soon .ttl{color:var(--ink-2);text-shadow:none}
.book.soon .em{opacity:.5;filter:grayscale(.6)}
.book.soon .tag{position:absolute;top:8px;right:8px;z-index:2;font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:3px 7px;border-radius:99px;background:#fff;border:2px solid rgba(16,34,26,.4);color:var(--ink-2)}
.book .star{position:absolute;top:8px;left:12px;z-index:2;font-size:18px}
.book.read .cover{filter:grayscale(1);opacity:.55}
.book .badge{position:absolute;right:-6px;top:150px;z-index:3;width:46px;height:46px}
.book .ribbon{position:absolute;top:-3px;right:14px;z-index:3;width:26px;padding:6px 0 10px;text-align:center;font-size:12px;font-weight:700;color:var(--ink);
  background:var(--sun);border:2px solid var(--ink);border-top:0;clip-path:polygon(0 0,100% 0,100% 100%,50% 82%,0 100%)}
.all-read{flex:0 0 auto;width:240px;height:184px;border-radius:18px;border:var(--stroke) dashed var(--ink-3);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center;font-weight:700;color:var(--forest);background:var(--glass)}
.all-read .turtle{width:70px}

/* ── Reader ── */
#reader{padding-left:0;padding-right:0;background:linear-gradient(180deg,#f7faf3,#e9f1e5)}
.r-top{position:absolute;top:calc(env(safe-area-inset-top) + 12px);left:16px;right:16px;display:flex;align-items:center;gap:12px;z-index:6;pointer-events:none}
.r-top>*{pointer-events:auto}
.book-info-btn{width:44px;height:44px;min-width:44px;font-family:var(--ui);font-size:21px;font-weight:700}
.book-info-text{white-space:pre-wrap;overflow-wrap:anywhere}
.r-top .grow{flex:1;min-width:0;pointer-events:none}
.r-progress{height:10px;border-radius:99px;background:rgba(16,34,26,.1);overflow:hidden;max-width:360px;margin:0 auto}
.r-progress i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--mint),var(--lime));box-shadow:0 0 12px var(--mint);transition:width .4s}
.r-title{text-align:center;font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin-top:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.r-avatar{width:76px;height:64px;position:relative;border-radius:22px;background:var(--glass-2);border:var(--stroke) solid var(--ink);box-shadow:0 3px 0 var(--ink);display:grid;place-items:center;backdrop-filter:blur(8px)}
.r-avatar .turtle{width:62px}
.book-stage{position:absolute;top:calc(env(safe-area-inset-top) + 92px);bottom:calc(env(safe-area-inset-bottom) + 100px);left:max(16px,env(safe-area-inset-left));right:max(16px,env(safe-area-inset-right));perspective:1800px}
.page{position:absolute;inset:0;max-width:980px;margin:0 auto;border-radius:26px;background:var(--paper);border:var(--stroke) solid var(--ink);
  box-shadow:0 6px 0 var(--ink),0 30px 60px -30px rgba(19,64,32,.45);overflow:hidden}
.page::before{content:"";position:absolute;inset:0;background:radial-gradient(120% 80% at 0% 0%,rgba(63,224,160,.08),transparent 60%),radial-gradient(100% 70% at 100% 100%,rgba(196,242,106,.12),transparent 60%);pointer-events:none}
/* Words use negative inline margins and an outer highlight ring. Let those
   paint into the page margin; the outer .page still clips to its rounded edge.
   Keep the content box unchanged so pagination and text fitting stay stable. */
.page-text{position:absolute;inset:clamp(18px,4vw,44px);display:flex;flex-direction:column;justify-content:center;font-family:var(--read-font);color:var(--ink);overflow:visible}
.page-text .inner{max-width:60ch;margin:0 auto;width:100%;text-align:left}
.page-text p{margin:0 0 .5em}
.page-text p:last-child{margin-bottom:0}
.page-text.poem p{margin:0 0 .9em}
.w,.pw{white-space:nowrap}
.w{position:relative;border-radius:.22em;padding:0 .06em;margin:0 -.06em;cursor:pointer;transition:color .35s,background-color .25s,box-shadow .25s,text-shadow .25s}
.w.read{color:var(--read)}
.w.tent{color:#7f938a}
.w.helped{color:var(--read);text-decoration:underline 2px dotted rgba(63,224,160,.8);text-underline-offset:.18em}
.w.next{box-shadow:0 0 .35em .06em color-mix(in srgb,var(--cursor) 30%,transparent);color:var(--ink);animation:cursorBreath 4.5s ease-in-out infinite}
/* The word to read is marked only by a soft coloured glow that grows and fades around it (no filled highlight), to keep the page calm. */
@keyframes cursorBreath{
  0%,88.888889%,100%{box-shadow:0 0 .3em .04em color-mix(in srgb,var(--cursor) 22%,transparent)}
  40%{box-shadow:0 0 .75em .2em color-mix(in srgb,var(--cursor) 60%,transparent)}
}
.w.next.noisy{outline:2px dashed rgba(90,110,100,.55);outline-offset:.12em}
.page-text.dots .w.hard:not(.read):not(.helped){text-decoration:underline 2px dotted rgba(16,34,26,.45);text-underline-offset:.2em}
.page-text .ph{font-family:var(--ui);font-weight:700;font-size:.62em;letter-spacing:.06em;text-transform:uppercase;color:var(--forest-3);margin:.2em 0 .4em}
.page-text.poem p{margin-bottom:.7em}
.book-stage.focusing .page-text .w:not(.focus),.book-stage.focusing .page-text .pw,.book-stage.focusing .page-text .ph{opacity:.25;transition:opacity .3s}
.w.focus{position:relative;z-index:5;display:inline-block;transform:scale(1.55);background:color-mix(in srgb,var(--cursor) 30%,var(--paper));box-shadow:0 0 0 .1em var(--cursor),0 0 1.2em var(--cursor);transition:transform .35s cubic-bezier(.3,1.6,.5,1);animation:none!important}
.w.refocus{animation:refocusPulse 1s ease-in-out 4}
@keyframes refocusPulse{50%{box-shadow:0 0 0 .14em var(--cursor),0 0 1em var(--cursor)}}
.w.hop{animation:hopRun .9s ease}
@keyframes hopRun{30%{background:rgba(63,224,160,.28);color:var(--forest)}}
.hopbubble{position:absolute;z-index:6;padding:6px 12px;border-radius:999px;background:var(--ink);color:#fff;font:600 14px var(--ui);pointer-events:none;animation:fadeIn .2s,bubbleUp 2.2s ease forwards}
@keyframes bubbleUp{80%{opacity:1}to{opacity:0;transform:translateY(-10px)}}
.w.pending{box-shadow:none;animation:pend 1.6s ease-in-out infinite}
@keyframes pend{0%,100%{text-shadow:0 0 .04em rgba(255,138,115,0)}50%{text-shadow:0 0 .06em rgba(255,138,115,.85),0 0 .18em rgba(255,138,115,.7)}}
.w.prompt{box-shadow:none;animation:blinkw 1.1s ease-in-out 3}
@keyframes blinkw{0%,100%{text-shadow:0 0 .04em rgba(245,183,46,0)}50%{text-shadow:0 0 .06em rgba(245,183,46,.9),0 0 .18em rgba(245,183,46,.75)}}
.w.sparkle::after{content:"✦";position:absolute;right:-.4em;top:-.6em;font-size:.6em;color:var(--gold);animation:spark .9s ease forwards}
@keyframes spark{from{transform:scale(.2) rotate(0);opacity:1}to{transform:scale(1.4) rotate(90deg) translateY(-.4em);opacity:0}}
.backarrow{position:absolute;z-index:4;font-size:34px;pointer-events:none;animation:pointback 1s ease-in-out 3;color:var(--coral);filter:drop-shadow(0 2px 0 var(--ink))}
@keyframes pointback{50%{transform:translateX(-12px)}}

/* Page flip */
.leaf{position:absolute;inset:0;max-width:980px;margin:0 auto;transform-origin:left center;backface-visibility:hidden;z-index:3;pointer-events:none;border-radius:26px;background:var(--paper);border:var(--stroke) solid var(--ink);overflow:hidden}
.leaf::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,0),rgba(0,0,0,.18));opacity:0;transition:opacity .5s}
.leaf.fwd{animation:flipF .52s cubic-bezier(.45,.05,.4,1) forwards}
.leaf.fwd::after,.leaf.back::after{opacity:1}
.leaf.back{animation:flipB .52s cubic-bezier(.45,.05,.4,1) forwards}
@keyframes flipF{0%{transform:rotateY(0)}100%{transform:rotateY(-100deg);opacity:.6}}
@keyframes flipB{0%{transform:rotateY(-100deg);opacity:.6}100%{transform:rotateY(0);opacity:1}}
.leaf.slide-f{transform-origin:center;animation:slideF .35s ease forwards}
.leaf.slide-b{transform-origin:center;animation:slideB .35s ease forwards}
@keyframes slideF{to{transform:translateX(-30%);opacity:0}}
@keyframes slideB{from{transform:translateX(-30%);opacity:0}to{transform:none;opacity:1}}

.r-nav{position:absolute;bottom:calc(env(safe-area-inset-bottom) + 16px);width:72px;height:72px;border-radius:24px;display:grid;place-items:center;z-index:6;
  border:var(--stroke) solid var(--ink);background:var(--glass-2);box-shadow:0 5px 0 var(--ink);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:transform .12s}
.r-nav:active{transform:translateY(4px);box-shadow:0 1px 0 var(--ink)}
.r-nav svg{width:34px;height:34px}
.r-nav.prev{left:max(16px,env(safe-area-inset-left))}
.r-nav.nxt{right:max(16px,env(safe-area-inset-right));background:linear-gradient(180deg,var(--forest-3),var(--forest));color:#fff}
.r-nav.nxt.blink{animation:nb .3s ease 2}
@keyframes nb{50%{box-shadow:0 5px 0 var(--ink),0 0 0 10px rgba(196,242,106,.8),0 0 40px var(--lime);transform:scale(1.08)}}
.r-nav[disabled]{opacity:.35}
.r-shells{position:absolute;bottom:calc(env(safe-area-inset-bottom) + 30px);left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:8px;font-weight:700;font-size:20px;z-index:5;
  padding:8px 16px 8px 10px;border-radius:999px;background:var(--glass-2);border:var(--stroke) solid var(--ink);box-shadow:0 3px 0 var(--ink)}
.r-shells svg{width:30px;height:30px}
.r-shells.pop{animation:pop .5s cubic-bezier(.3,1.8,.5,1)}
@keyframes pop{40%{transform:translateX(-50%) scale(1.25)}}
.r-pause{position:absolute;inset:0;z-index:8;display:grid;place-items:center;background:rgba(238,243,234,.72);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.r-pause .card{text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px}
.r-pause .turtle{width:150px}
.r-pause h3{margin:0;font-size:30px}
.r-mode{position:absolute;left:50%;transform:translateX(-50%);top:calc(env(safe-area-inset-top) + 64px);z-index:5;font-size:13px;font-weight:600;color:var(--ink-2);background:var(--glass-2);padding:4px 12px;border-radius:99px;border:2px solid var(--line);white-space:nowrap}

/* Help overlay (zoom + syllables) */
.help{position:absolute;inset:0;z-index:9;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;background:rgba(238,243,234,.7);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);animation:fadeIn .25s}
@keyframes fadeIn{from{opacity:0}}
.help .zoom{font-family:var(--read-font);font-size:clamp(56px,13vw,128px);font-weight:700;line-height:1.1;padding:18px 36px;border-radius:32px;position:relative;z-index:1;background:color-mix(in srgb,var(--paper) 78%,transparent);border:var(--stroke) solid var(--ink);box-shadow:0 8px 0 var(--ink);animation:zoomIn .4s cubic-bezier(.3,1.5,.5,1)}
@keyframes zoomIn{from{transform:scale(.4);opacity:0}}
.help .reader-wave,.help .reader-finish{z-index:0}
.help .say,.help .skip{z-index:2}
.help .syl{display:inline-block;transition:transform .2s,background .2s;border-radius:.15em;padding:0 .02em}
.help .syl:nth-child(4n+1){color:#1e7a45}.help .syl:nth-child(4n+2){color:#2470c9}.help .syl:nth-child(4n+3){color:#c2410c}.help .syl:nth-child(4n+4){color:#8b3fc9}
.help .syl.on{transform:translateY(-.08em) scale(1.08);background:var(--sun-soft)}
.help .dot{color:var(--ink-3);font-weight:400;margin:0 .04em}
.help .say{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:700}
.help .say .turtle{width:84px}
.help .skip{position:absolute;bottom:calc(env(safe-area-inset-bottom) + 24px)}

/* Confetti shells */
.confetti{position:fixed;inset:0;pointer-events:none;z-index:50;overflow:hidden}
.confetti i{position:absolute;top:-40px;width:26px;height:26px;animation:fall linear forwards}
@keyframes fall{to{transform:translate(var(--dx),110vh) rotate(var(--rot))}}

/* ── Quiz / results / collection ── */
.center-col{width:100%;max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:16px;padding-top:6px}
.qcard{padding:24px;border-radius:var(--r-lg);background:var(--glass-2);border:var(--stroke) solid var(--ink);box-shadow:0 6px 0 var(--ink),var(--shadow);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.qcard .qn{display:flex;gap:8px;margin-bottom:12px}
.qcard .qn i{width:36px;height:8px;border-radius:99px;background:rgba(16,34,26,.15)}
.qcard .qn i.on{background:var(--forest)}
.qcard h2{margin:0;font-size:clamp(24px,4.5vw,32px);line-height:1.25;display:flex;gap:12px;align-items:flex-start}
.speak{flex-shrink:0;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;border:var(--stroke) solid var(--ink);background:var(--lime);box-shadow:0 3px 0 var(--ink)}
.speak svg{width:22px;height:22px}
.opts{display:grid;gap:12px}
.opt{display:flex;align-items:center;gap:14px;text-align:left;min-height:68px;padding:12px 18px;border-radius:20px;border:var(--stroke) solid var(--ink);background:#fff;box-shadow:0 5px 0 var(--ink);font-size:clamp(19px,3.6vw,23px);font-weight:600;transition:transform .12s,background .2s}
.opt:active{transform:translateY(3px);box-shadow:0 2px 0 var(--ink)}
.opt .k{width:38px;height:38px;flex-shrink:0;border-radius:50%;display:grid;place-items:center;border:2px solid var(--ink);background:var(--sage);font-weight:700}
.opt.right{background:#d8f8e6;box-shadow:0 5px 0 var(--ink),0 0 0 5px rgba(63,224,160,.5)}
.opt.right .k{background:var(--mint)}
.opt.wrong{background:#ffe7e1}
.opt[disabled]{cursor:default}
.ev{font-family:var(--read-font);font-size:20px;line-height:1.5;padding:16px 18px;border-radius:18px;background:var(--paper);border:2px dashed var(--ink-3)}
.ev mark{background:var(--sun-soft);box-shadow:0 0 0 3px var(--sun-soft);border-radius:4px}
.res-hero{display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px}
.res-hero .turtle{width:160px}
.res-hero h1{margin:0;font-size:clamp(34px,7vw,52px)}
.res-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.res-tile{padding:18px;border-radius:var(--r);background:var(--glass-2);border:var(--stroke) solid var(--ink);box-shadow:0 5px 0 var(--ink)}
.res-tile small{display:block;font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--forest-3);margin-bottom:6px}
.res-tile .big{font-size:40px;font-weight:700;display:flex;align-items:center;gap:8px}
.res-tile .big svg{width:42px;height:42px}
.wordpills{display:flex;flex-wrap:wrap;gap:8px}
.wordpills button{font-family:var(--read-font);font-size:20px;padding:6px 14px;border-radius:99px;border:2px solid var(--ink);background:#fff;box-shadow:0 3px 0 var(--ink)}
.res-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;padding:6px 0 10px}
.shell-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:12px}
.shell-cell{aspect-ratio:1;border-radius:22px;border:var(--stroke) solid var(--ink);background:var(--glass-2);display:grid;place-items:center;position:relative;box-shadow:0 4px 0 var(--ink)}
.shell-cell svg{width:64%}
.shell-cell.locked{opacity:.35;border-style:dashed;box-shadow:none}
.shell-cell span{position:absolute;bottom:4px;left:4px;right:4px;font-size:10.5px;font-weight:600;text-align:center;line-height:1.1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ── Parent panel (dialog) ── */
dialog{border:0;padding:0;background:transparent;max-width:min(860px,calc(100vw - 24px));width:100%;max-height:calc(100dvh - 24px)}
dialog::backdrop{background:rgba(16,34,26,.45);backdrop-filter:blur(4px)}
.panel{background:var(--paper);border:var(--stroke) solid var(--ink);border-radius:28px;box-shadow:0 8px 0 var(--ink);display:flex;flex-direction:column;max-height:calc(100dvh - 24px);overflow:hidden}
.panel header{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:2px solid var(--line);background:linear-gradient(90deg,#e9f8ef,#f4fbe2)}
.panel header h2{margin:0;font-size:22px;flex:1}
.panel .body{overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:18px;font-family:system-ui,-apple-system,"Segoe UI",sans-serif}
.panel h3{margin:0 0 8px;font-family:var(--ui);font-size:15px;letter-spacing:.1em;text-transform:uppercase;color:var(--forest)}
.panel p{margin:0 0 8px;font-size:15px;line-height:1.5;color:var(--ink-2)}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px}
.kpi{padding:12px;border-radius:16px;background:var(--sage);border:2px solid var(--line)}
.kpi b{display:block;font-family:var(--ui);font-size:26px;color:var(--ink)}
.kpi span{font-size:13px;color:var(--ink-2)}
.panel .tbl{overflow-x:auto;-webkit-overflow-scrolling:touch}
.panel table{width:100%;border-collapse:collapse;font-size:14px}
.panel th{text-align:left;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);padding:6px 8px;border-bottom:2px solid var(--line)}
.panel td{padding:7px 8px;border-bottom:1px solid var(--line);vertical-align:top}
.panel td.num{text-align:right;font-variant-numeric:tabular-nums}
.panel .rowbtns{display:flex;flex-wrap:wrap;gap:10px}
.panel .rowbtns .btn{min-height:46px;font-size:16px;padding:0 18px}
.setting{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);font-size:15px}
.empty{color:var(--ink-3);font-size:14px}

.toast{position:fixed;left:50%;bottom:calc(env(safe-area-inset-bottom) + 24px);transform:translateX(-50%) translateY(20px);z-index:60;opacity:0;transition:all .3s;pointer-events:none;
  padding:12px 20px;border-radius:999px;background:var(--ink);color:#fff;font-weight:600;font-size:16px;box-shadow:0 10px 30px rgba(0,0,0,.25);max-width:calc(100vw - 32px);text-align:center}
.toast.on{opacity:1;transform:translateX(-50%)}

/* ───────── Calm reading: only the words move (ADHD / autism friendly) ───────── */
body.reading.calm .sky{display:none}
body.reading.calm #reader{background:#f3f6f0}
body.reading.calm .page{box-shadow:0 3px 0 rgba(16,34,26,.55),0 18px 40px -30px rgba(19,64,32,.35);border-color:rgba(16,34,26,.75)}
body.reading.calm .page::before{display:none}
body.reading.calm .r-title{display:none}
body.reading.calm .r-progress{height:5px;background:rgba(16,34,26,.07)}
body.reading.calm .r-progress i{box-shadow:none;background:var(--forest-3);opacity:.55}
body.reading.calm .r-avatar .turtle,body.reading.calm .r-avatar .turtle *{animation:none!important;transition:none!important}
body.reading.calm .r-avatar .wave{opacity:.55}
body.reading.calm .r-avatar,body.reading.calm .r-nav,body.reading.calm #rHome{opacity:.6;transition:opacity .2s}
body.reading.calm .r-avatar:hover,body.reading.calm .r-nav:hover,body.reading.calm .r-nav:focus-visible,body.reading.calm #rHome:hover{opacity:1}
body.reading.calm .r-shells{opacity:0;pointer-events:none;transition:opacity .4s}
body.reading.calm .r-shells.pop{opacity:1;animation:none}
body.reading.calm .r-nav.nxt.blink{animation:none;opacity:1;box-shadow:0 5px 0 var(--ink),0 0 0 6px rgba(196,242,106,.7)}
body.reading.calm .w{transition:color .25s,background-color .15s}
body.reading.calm .w.next{animation:cursorBreath 4.5s ease-in-out infinite}
@media (prefers-reduced-motion:reduce){.w.next,body.reading.calm .w.next{animation:none}}
body.reading.calm .w.pending{animation:none;box-shadow:none;text-shadow:0 0 .06em rgba(255,138,115,.8),0 0 .18em rgba(255,138,115,.6)}
body.reading.calm .w.prompt{animation:none;box-shadow:none;text-shadow:0 0 .06em rgba(245,183,46,.85),0 0 .18em rgba(245,183,46,.65)}
body.reading.calm .w.sparkle::after{animation-duration:.6s}
body.reading.calm .backarrow{animation:none}
body.reading.calm .help{background:rgba(243,246,240,.86)}
body.reading.calm .help .zoom{animation:none;box-shadow:0 6px 0 var(--ink)}
body.reading.calm .help .say .turtle *{animation:none!important}
body.reading.calm .leaf.slide-f,body.reading.calm .leaf.slide-b{animation-duration:.28s}

/* ───────── Layout: phones & tablets, portrait & landscape ───────── */
.help .zoom{font-size:min(13vw,20vh,128px)}
.hero-ring{width:min(70vw,45vh,320px)}
@media (orientation:landscape){
  .grade-grid{max-width:min(720px,120vh)}
}
/* Landscape reading: page uses the full height; Back / Next sit in thumb columns at the sides */
@media (orientation:landscape) and (min-aspect-ratio:5/4){
  .book-stage{top:calc(env(safe-area-inset-top) + 14px);bottom:calc(env(safe-area-inset-bottom) + 14px);left:calc(max(16px,env(safe-area-inset-left)) + 96px);right:calc(max(16px,env(safe-area-inset-right)) + 96px)}
  .r-top{top:calc(env(safe-area-inset-top) + 12px);left:max(16px,env(safe-area-inset-left));right:max(16px,env(safe-area-inset-right))}
  .r-top .grow{position:absolute;left:calc(96px + 28px);right:calc(96px + 28px);top:-6px}
  .r-progress{max-width:none}
  .r-title{display:none}
  .r-avatar{width:72px;height:60px}
  .r-nav{top:50%;bottom:auto;transform:translateY(-50%);width:76px;height:96px}
  .r-nav:active{transform:translateY(calc(-50% + 4px))}
  .r-nav.prev{left:max(16px,env(safe-area-inset-left))}
  .r-nav.nxt{right:max(16px,env(safe-area-inset-right))}
  .r-shells{left:max(16px,env(safe-area-inset-left));bottom:calc(env(safe-area-inset-bottom) + 14px);transform:none;font-size:16px;padding:6px 12px 6px 8px}
  .r-shells.pop{animation:none}
  .r-mode{top:auto;bottom:calc(env(safe-area-inset-bottom) + 18px)}
  .page{max-width:1100px}
}
/* Short landscape screens (iPhone landscape): tighter chrome */
@media (orientation:landscape) and (max-height:520px){
  .book-stage{top:calc(env(safe-area-inset-top) + 8px);bottom:calc(env(safe-area-inset-bottom) + 8px)}
  .r-top{top:calc(env(safe-area-inset-top) + 8px)}
  .r-top .grow{top:-4px}
  .icon-btn{width:46px;height:46px}
  .r-avatar{width:60px;height:50px;border-radius:18px}
  .r-avatar .turtle{width:48px}
  .r-nav{width:68px;height:84px;border-radius:20px}
  .page{border-radius:20px}
  .page-text{inset:14px 22px}
  .r-shells{display:none}
  .topbar{padding:8px 0 6px}
  .grade-tile .num{font-size:clamp(30px,7vh,52px)}
  .res-hero .turtle{width:110px}
  .qcard{padding:16px}
  .opt{min-height:54px}
}
/* Tall phones in portrait (iPhone Pro Max): slightly roomier page */
@media (orientation:portrait) and (max-width:500px){
  .book-stage{top:calc(env(safe-area-inset-top) + 86px);bottom:calc(env(safe-area-inset-bottom) + 98px)}
}
/* Big tablets in portrait: center the page with comfortable margins */
@media (orientation:portrait) and (min-width:760px){
  .book-stage{left:max(28px,env(safe-area-inset-left));right:max(28px,env(safe-area-inset-right))}
}
.devbox{border:1px dashed var(--line);border-radius:14px;padding:8px 12px;color:var(--ink-3)}
.devbox summary{cursor:pointer;font-size:13px;letter-spacing:.06em;text-transform:uppercase}
.devbox input{font:inherit;padding:8px 10px;border-radius:10px;border:2px solid var(--line);min-width:0;width:min(260px,50vw)}
@media (orientation:landscape) and (min-aspect-ratio:5/4){ .r-avatar{margin-left:auto} }
@media (orientation:landscape) and (max-height:520px){
  .grade-grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;max-width:none}
  .grade-tile{aspect-ratio:.82}
  .grade-tile .num{width:70%}
  .grade-tile .lbl{font-size:12px}
  #grades .scroll{gap:12px}
  .greet h1{font-size:28px}
}
.saybubble{position:fixed;z-index:30;max-width:min(320px,70vw);padding:10px 14px;border-radius:16px;background:#fff;border:3px solid var(--ink);box-shadow:0 4px 0 var(--ink);
  font:700 18px var(--ui);color:var(--ink);opacity:0;transform:translateY(-6px);transition:opacity .2s,transform .2s;pointer-events:none}
.saybubble.on{opacity:1;transform:none}

.verline{font:600 12px/1.3 Andika,system-ui,sans-serif;color:var(--ink-soft,#4d6b5a);opacity:.8;margin-top:2px;overflow-wrap:anywhere}
.verrow{display:flex;flex-wrap:wrap;align-items:center;gap:4px 10px;margin-top:2px}
.verrow .verline{margin-top:0}
.btn.mini{min-height:28px;padding:0 12px;font-size:12px;gap:6px}
#rMode{cursor:pointer}

/* While Shellfie is listening the page turns by itself: Next is small and quiet, hold to skip */
#reader:not(.tapmode) .r-nav.nxt{width:54px;height:54px;border-radius:18px;background:var(--glass-2);color:var(--ink);opacity:.45;box-shadow:0 3px 0 rgba(16,34,26,.5);border-color:rgba(16,34,26,.5)}
#reader:not(.tapmode) .r-nav.nxt svg{width:24px;height:24px}
#reader:not(.tapmode) .r-nav.nxt::after{content:"";position:absolute;inset:-5px;border-radius:22px;border:4px solid var(--forest);clip-path:inset(100% 0 0 0);opacity:0}
#reader:not(.tapmode) .r-nav.nxt.holding{opacity:.9}
#reader:not(.tapmode) .r-nav.nxt.holding::after{opacity:1;animation:holdfill 1.1s linear forwards}
@keyframes holdfill{to{clip-path:inset(0 0 0 0)}}
#reader:not(.tapmode) .r-nav.nxt.hinted{animation:nohint .5s ease}
@keyframes nohint{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
#reader:not(.tapmode) .r-nav.nxt.blink{opacity:1;animation:nb .3s ease 2}
body.reading.calm #reader:not(.tapmode) .r-nav.nxt{opacity:.35}
.w.nudge{animation:wnudge .8s ease}
@keyframes wnudge{30%{transform:scale(1.15);text-shadow:0 0 18px var(--lime)}}
@media (min-aspect-ratio:5/4){#reader:not(.tapmode) .r-nav.nxt{width:54px;height:72px}}

/* Fresh Shell: a quieter, clearer home for the stories. */
:root{
  --ink:#173326; --ink-2:#4c6655; --ink-3:#617769;
  --forest:#215b36; --forest-2:#174629; --forest-3:#33784a;
  --sage:#edf4ec; --sage-2:#e1ede0; --paper:#fffef9;
  --glass:#f7faf5; --glass-2:#fff; --line:#d6e4d7;
  --stroke:1px; --r:18px; --r-lg:22px;
  --shadow:0 8px 24px rgba(29,73,42,.07);
  --glow:0 0 0 4px rgba(47,139,79,.32);
  --ui:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
}
html{touch-action:manipulation;-webkit-text-size-adjust:100%}
button{touch-action:manipulation}
.sky{background:#edf4ec}
.sky i{display:none}
.screen{animation:none}
.wordmark{text-transform:none;letter-spacing:-.045em;color:var(--forest)}
.wordmark b{color:inherit}
.btn,.btn.ghost{border:0;box-shadow:none;background:var(--forest);color:#fff;letter-spacing:0}
.btn.ghost{background:#e5efe5;color:var(--forest)}
.btn:hover{filter:brightness(1.08)}
.btn:active{transform:scale(.98);box-shadow:none}
.icon-btn{background:#fff;border:1px solid var(--line);box-shadow:none;color:var(--forest)}
.icon-btn:active{transform:scale(.96);box-shadow:none}
.hero-ring::before{border:0;background:#f9fcf7;box-shadow:var(--shadow)}
.hero-ring::after{display:none}
.hero-ring .arc text{fill:var(--forest);font-size:22px}
#onboard p{line-height:1.5}
.topbar{max-width:1200px;width:100%;margin:0 auto;padding:16px 0 14px}
.brand .wordmark{font-size:25px}
.lang,.seg,.toggle{border:1px solid var(--line);background:#fff;box-shadow:none}
.lang{padding:4px}
.lang button{font-size:16px}
.lang .pill{top:4px;bottom:4px;left:4px;background:var(--forest);box-shadow:none}
#grades .scroll{gap:20px;padding-top:12px}
.greet h1{font-size:clamp(30px,5vw,42px);letter-spacing:-.045em}
.greet p{font-size:16px;line-height:1.5}
.grade-grid{max-width:720px;gap:12px}
.grade-tile{aspect-ratio:auto;min-height:136px;align-items:flex-start;gap:2px;padding:18px 22px;text-align:left;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow);backdrop-filter:none}
.grade-tile::before{display:none}
.grade-tile:hover{transform:translateY(-2px);box-shadow:0 10px 25px rgba(29,73,42,.13)}
.grade-tile:active{transform:scale(.98);box-shadow:var(--shadow)}
.grade-tile .num{width:auto;aspect-ratio:auto;background:none;border:0;box-shadow:none;color:var(--forest);font-size:42px;line-height:1.1}
.grade-tile .lbl{font-size:13px;letter-spacing:0;text-transform:none;color:var(--ink-2)}
.grade-tile .ribbon{border:0;background:#ddf3d3;color:var(--forest)}
.stat{border:1px solid var(--line);background:#fff;box-shadow:none;font-size:15px}
.shelf-controls,.genre-chips,#shelfScroll{width:100%;max-width:1200px;margin-left:auto;margin-right:auto}
.shelf-controls{gap:10px;padding:4px 0 14px}
.seg button{min-height:44px;padding:9px 16px}
.toggle{min-height:44px}
.toggle .sw{border:0;background:#d4e0d4}
.toggle .sw::after{border:0;box-shadow:0 1px 3px #0003}
.toggle[aria-checked=true] .sw{background:#78c991}
.genre-chips button{border:1px solid var(--line);background:white}
.genre-chips button[aria-pressed=true]{background:var(--forest)}
.picks{border:1px solid #cde2ce;background:#e3f2e1;box-shadow:none;padding:16px;border-radius:20px}
.picks::after{display:none}
.picks small,.shelf h3{letter-spacing:.06em}
.picks .go{min-height:44px!important}
.cover{border:0;border-radius:16px;box-shadow:0 4px 12px #1733261a}
.cover::before,.cover::after{display:none}
.book:hover .cover{transform:translateY(-3px)}
.book.read .cover{filter:grayscale(.65);opacity:.75}
.book .by{font-size:13px}
#reader{background:#edf4ec}
.page{border:1px solid #dce7db;box-shadow:0 12px 32px rgba(29,73,42,.09)}
.page::before{display:none}
.r-avatar,.r-nav,.r-shells{border:1px solid var(--line);box-shadow:none;background:#fff}
.r-nav.nxt{background:var(--forest)}
.r-progress i{background:var(--forest-3);box-shadow:none}
.r-nav:active{box-shadow:none}
body.reading.calm .page{border-color:#dce7db;box-shadow:0 12px 32px rgba(29,73,42,.09)}
body.reading.calm .r-avatar,body.reading.calm .r-nav,body.reading.calm #rHome{opacity:.85}
.qcard,.res-tile,.shell-cell,.panel{border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
.opt,.speak,.wordpills button{border:1px solid var(--line);box-shadow:none}
.opt.right{box-shadow:0 0 0 3px #a8e4ba}
.panel header{background:#edf6ec}
.help .zoom{border:1px solid var(--line);box-shadow:var(--shadow)}
.picks .turtle,.turtle.celebrating{animation:none}
@media (max-width:520px){.grade-grid{gap:10px}.grade-tile{min-height:108px;padding:14px 18px}.grade-tile .num{font-size:36px}}
@media (orientation:landscape) and (max-height:520px){
  #grades .scroll{gap:10px}.grade-grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}
  .grade-tile{aspect-ratio:auto;min-height:90px;padding:10px;align-items:center;text-align:center}
  .grade-tile .num{width:auto;font-size:30px}.grade-tile .lbl{font-size:11px}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}
/* iOS otherwise zooms when a small text field receives focus. */
input,select,textarea{font-size:16px}
/* Grown-ups gate: a quiet "Parents" text button (press and hold) */
.parents-btn{appearance:none;border:0;background:transparent;color:var(--ink);opacity:.55;font:600 15px/1 Andika,system-ui,sans-serif;padding:10px 6px;cursor:pointer;-webkit-touch-callout:none;user-select:none;-webkit-user-select:none}
.parents-btn:hover,.parents-btn:focus-visible{opacity:.9;text-decoration:underline}
.gate .hold-bar{position:absolute;left:6px;right:6px;bottom:4px;height:3px;border-radius:2px;background:var(--forest);transform:scaleX(0);transform-origin:left;pointer-events:none}
.gate.holding .hold-bar{transition:transform 1.2s linear;transform:scaleX(1)}
.gate.holding .parents-btn{opacity:1}
/* Keep onboarding and its permission guidance reachable on short phones. */
#onboard{overflow-y:auto;justify-content:safe center;padding-top:max(12px,env(safe-area-inset-top));padding-bottom:max(12px,env(safe-area-inset-bottom))}
@media (orientation:landscape) and (max-height:520px){
  #onboard{gap:8px}
  #onboard .hero-ring{width:min(24vh,160px);flex-shrink:0}
  #onboard h1{font-size:30px;margin:0}
  #onboard p{font-size:15px;line-height:1.3}
  #onboard .btn.big{min-height:48px;font-size:19px;padding:0 28px;flex-shrink:0}
}
/* Recovery content must remain reachable when the keyboard or a short
   landscape viewport leaves little vertical space. */
.r-pause{overflow-y:auto;place-items:safe center;padding:16px max(16px,env(safe-area-inset-right)) 16px max(16px,env(safe-area-inset-left))}
.r-pause .card{width:100%;max-width:480px;margin:auto}
@media (orientation:landscape) and (max-height:520px){
  .r-pause{padding-top:10px;padding-bottom:10px}
  .r-pause .card{gap:8px}
  .r-pause .turtle{width:68px}
  .r-pause h3{font-size:21px}
  .r-pause .btn{min-height:44px;font-size:16px}
  .r-pause .hint{font-size:13px;line-height:1.35}
}

/* Subtle match cues only for accepted words with direct match evidence.
   These reflect recognizer similarity, not a judgment of pronunciation. */
/* Read words stay grey; yellow and red glows follow the letter shapes. */
.w.read.match-near,.w.read.match-weak{box-shadow:none;text-shadow:0 0 .04em rgba(var(--mg),.75),0 0 .12em rgba(var(--mg),.55);animation:matchGlow 2.6s ease-in-out 2}
.w.read.match-near{--mg:255,210,80}
.w.read.match-weak{--mg:226,104,94}
@keyframes matchGlow{
  0%{text-shadow:0 0 .04em rgba(var(--mg),0),0 0 .12em rgba(var(--mg),0)}
  40%{text-shadow:0 0 .06em rgba(var(--mg),1),0 0 .2em rgba(var(--mg),.85)}
  100%{text-shadow:0 0 .04em rgba(var(--mg),.75),0 0 .12em rgba(var(--mg),.55)}
}

/* Shellfie travels along the reading progress track. */
.r-progress,body.reading.calm .r-progress{
  --progress:16px;position:relative;height:32px;max-width:360px;margin:0 auto;
  overflow:visible;background:transparent;
}
.r-progress::before{content:"";position:absolute;left:16px;right:16px;top:13px;height:6px;border-radius:99px;background:#d8e5d8}
.r-progress i,body.reading.calm .r-progress i{
  position:absolute;left:16px;top:13px;width:0;height:6px;max-width:calc(100% - 32px);
  border-radius:99px;background:var(--forest-3);box-shadow:none;opacity:1;
}
.r-progress .r-avatar,body.reading.calm .r-progress .r-avatar{
  position:absolute;left:var(--progress);top:0;transform:translateX(-50%);
  width:32px;height:32px;margin:0;border:0;border-radius:50%;background:#f7faf5;
  box-shadow:none;opacity:1;backdrop-filter:none;pointer-events:none;transition:left .4s ease;
}
.r-progress .r-avatar .turtle{width:32px}
@media (orientation:landscape) and (min-aspect-ratio:5/4){
  .r-top .grow{top:0;left:calc(96px + 28px);right:calc(96px + 28px)}
  .r-progress,body.reading.calm .r-progress{max-width:none}
  .book-stage{top:calc(env(safe-area-inset-top) + 40px)}
}
@media (orientation:landscape) and (max-height:520px){
  .r-top .grow{top:0}
  .book-stage{top:calc(env(safe-area-inset-top) + 38px)}
}
@media (prefers-reduced-motion:reduce){.r-progress .r-avatar{transition:none}}

/* Reading colors (Grown-ups > Reading colors) */
body.rc-bg .page,body.rc-tx .page{--read:color-mix(in srgb,var(--rc-tx,#10221a) 45%,var(--rc-bg,#fffdf6));--ink-3:color-mix(in srgb,var(--rc-tx,#10221a) 60%,var(--rc-bg,#fffdf6))}
body.rc-bg .page{--paper:var(--rc-bg)}
body.rc-tx .page{--ink:var(--rc-tx)}
body.rc-bg .page::before{display:none}
body.rc-tx .page .w.tent{color:color-mix(in srgb,var(--rc-tx) 70%,var(--rc-bg,#fffdf6))}
body.rc-bg .page .ph,body.rc-tx .page .ph{color:var(--ink)}
.setting.col{flex-direction:column;align-items:flex-start;gap:8px}
.themes{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;width:100%}
.theme{display:flex;flex-direction:column;gap:4px;align-items:flex-start;text-align:left;padding:12px;border-radius:14px;border:2px solid var(--line);background:var(--tb);color:var(--tt);cursor:pointer;font:inherit;min-height:44px}
.theme-aa{font-family:var(--read-font);font-size:28px;font-weight:700;line-height:1}
.theme-n{font-size:15px;font-weight:700}
.theme-d{font-size:12px;line-height:1.3;opacity:.9}
.theme-chips{display:flex;gap:6px;margin-top:4px}
.theme-chips i{width:22px;height:22px;border-radius:50%;border:1.5px solid rgba(128,128,128,.6)}
.theme[aria-pressed="true"]{outline:3px solid var(--forest);outline-offset:2px}
.rc-prev{margin-top:10px;padding:16px 18px;border-radius:14px;border:1px solid var(--line);font-family:var(--read-font);font-size:22px;line-height:1.6}

/* ── Parents: reading days, word recap & review ── */
.rc-days{display:flex;flex-direction:column;gap:6px;max-height:210px;overflow-y:auto;margin-bottom:10px}
.rc-day{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:baseline;text-align:left;padding:9px 12px;border-radius:12px;background:var(--sage);border:2px solid var(--line);font-size:14px}
.rc-day.in{border-color:var(--forest);background:#e5efe5}
.rc-day span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-2)}.rc-day i{font-style:normal;color:var(--ink-3);font-size:12px;white-space:nowrap}
.rc-range{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:10px}
.rc-range label{display:flex;flex-direction:column;gap:3px;font-size:13px;color:var(--ink-2);flex:1;min-width:190px}
.panel input[type=datetime-local],.panel input[type=email]{font:inherit;font-size:15px;padding:8px 10px;border-radius:10px;border:2px solid var(--line);background:#fff;color:var(--ink);min-height:40px}
.rc-pre{margin-bottom:10px}.panel .rc-pre .btn{min-height:38px;font-size:14px;padding:0 14px}
.rc-cats{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:6px}
.rc-cat{padding:7px 14px;border-radius:999px;border:2px solid var(--line);font-weight:600;font-size:14px;background:#fff;color:var(--ink-3)}
.rc-cat[aria-pressed=true]{color:#fff;border-color:transparent}.rc-cat.c-hard[aria-pressed=true]{background:#c2410c}.rc-cat.c-help[aria-pressed=true]{background:#2470c9}.rc-cat.c-nice[aria-pressed=true]{background:#1e7a45}
.rc-books{font-size:14px;margin:0 0 10px}
.rc-group{margin:0 0 12px}.rc-group h4{margin:0 0 6px;font-size:15px}.rc-group h4 small{font-weight:400;color:var(--ink-3);font-size:12px}
.rc-words{display:flex;flex-wrap:wrap;gap:6px}
.rc-w{display:inline-flex;flex-direction:column;padding:6px 12px;border-radius:12px;background:var(--sage);border-left:5px solid var(--ink-3)}
.rc-group.c-hard .rc-w{border-color:#c2410c}.rc-group.c-help .rc-w{border-color:#2470c9}.rc-group.c-nice .rc-w{border-color:#1e7a45}
.rc-w b{font-size:18px}.rc-w i{font-style:normal;font-size:11px;color:var(--ink-3)}
.rc-act{margin:10px 0}.rc-act .btn[disabled]{opacity:.45}
.rc-to input{flex:1;max-width:280px}
.rv-prog{height:8px;background:var(--sage-2);border-radius:99px;margin:0 16px}.rv-prog i{display:block;height:100%;width:0;background:var(--forest);border-radius:99px;transition:width .3s}
.help.rv{position:relative;flex:1;z-index:1;inset:auto;background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;padding:12px 16px calc(env(safe-area-inset-bottom) + 16px);overflow-y:auto}
.rv-chip{padding:5px 14px;border-radius:999px;color:#fff;font-weight:700;font-size:13px;letter-spacing:.06em;text-transform:uppercase}
.rv-chip.c-hard{background:#c2410c}.rv-chip.c-help{background:#2470c9}.rv-chip.c-nice{background:#1e7a45}
.rv-book{font-size:14px;color:var(--ink-2)}
.rv-btns{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}.rv-btns .btn{min-height:50px;font-size:17px;padding:0 20px}.rv-btns .btn[disabled]{opacity:.4}
.rv-sum{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}.rv-sum div{padding:14px 20px;border-radius:16px;background:var(--paper);border:2px solid var(--line);text-align:center}.rv-sum b{display:block;font-size:34px}.rv-sum span{font-size:13px;color:var(--ink-2)}
#printArea{display:none}
@media print{
  body>*:not(#printArea){display:none!important}
  #printArea{display:block!important;position:static;color:#000;background:#fff;font:14px/1.5 system-ui,sans-serif;padding:0}
  #printArea h1{font-size:22px;margin:0 0 4px}#printArea h2{font-size:15px;margin:16px 0 4px;border-bottom:1px solid #999}#printArea .pl{padding:2px 0 2px 12px}
}
a.btn{text-decoration:none}

/* The turtle can be dragged to a previously reached page. */
.r-progress .r-avatar,body.reading.calm .r-progress .r-avatar{
  width:44px;height:44px;top:-6px;pointer-events:auto;touch-action:none;
  user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;cursor:grab;
}
.r-progress .r-avatar.dragging{cursor:grabbing;transition:none}
.r-progress .r-avatar:focus-visible{outline:3px solid var(--forest-3);outline-offset:2px}
.r-seek-preview{position:absolute;z-index:8;top:38px;left:50%;transform:translateX(-50%);
  max-width:min(260px,100%);padding:6px 10px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);box-shadow:0 4px 12px #1733261a;
  font:700 12px/1.25 var(--ui);text-align:center;pointer-events:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
body.reading.calm .r-progress .r-avatar.dragging{transition:none}
.r-progress.seeking i{transition:none}
#reader.seek-preview .r-mode{visibility:hidden}

/* Honey Fern smoke stays behind the text; word outlines and match cues remain intact. */
.reader-wave,.reader-finish{position:absolute;width:280px;height:150px;pointer-events:none;z-index:0}
.page-text{z-index:1}
.ending-name{position:absolute;top:10px;left:16px;right:16px;text-align:center;z-index:7;pointer-events:none;color:var(--ink);font:600 12px/1.4 var(--ui)}
body.ending-mic-off .w.next,body.reading.calm.ending-mic-off .w.next{animation:none}

/* Comment mode */
.cm-overlay{position:fixed;inset:0;z-index:9999;display:flex;flex-direction:column;gap:10px;padding:max(16px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));background:#4a4a4a;color:#f2f2f2}
.cm-overlay[hidden]{display:none}
.cm-overlay h2{margin:0;font-size:22px}
.cm-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:6px;background:rgba(0,0,0,.18);border-radius:12px;padding:12px}
.cm-row{display:flex;gap:12px;font-size:17px;line-height:1.35}
.cm-row time{flex:none;color:#bdbdbd;font-variant-numeric:tabular-nums}
.cm-row.cm-start,.cm-row.cm-end{color:#bdbdbd;font-size:14px}
.cm-live{min-height:24px;color:#d8d8d8;font-style:italic}
.cm-overlay .btn{align-self:center;min-height:48px;min-width:220px}

.reader-traveler{position:absolute;left:0;top:0;pointer-events:none;z-index:0}
.shell-fly{position:fixed;z-index:60;pointer-events:none;filter:drop-shadow(0 2px 3px rgba(16,34,26,.35))}