/* Layout: a toy-box library — chunky outlined stickers and pills, colour-coded shelves that grow from sprout to mountain, a calm paper book on a dotted desk. */
:root{
  --bg:#f3f1fb; --surface:#ffffff; --ink:#221f3b; --muted:#68637f; --line:#dcd8ee;
  --edge:#221f3b; --edge-ink:#221f3b; --plank:#e2ddf3; --desk:#e9e6f6; --dot:rgba(34,31,59,.09);
  --paper:#fffdf8; --paper-ink:#25231f; --paper-muted:#7b766c; --paper-line:#e8e3d6;
  --accent:#ff6a4d; --accent-ink:#ffffff; --sun:#ffc93c; --sun-ink:#2a2200; --hl:rgba(255,201,60,.38); --danger:#d6402a;
  --cloth-basic:#2fa36b; --cloth-inter:#ee9a25; --cloth-adv:#5a55d6; --cloth-mine:#e2559a;
  --plate:#fffaf0; --plate-ink:#24211c;
  --f-display:"Baloo Da 2", "Hind Siliguri", system-ui, sans-serif;
  --f-read:"Literata", "Iowan Old Style", Georgia, serif;
  --f-ui:"Hind Siliguri", system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --bg:#17152a; --surface:#232039; --ink:#f1eeff; --muted:#aaa5c6; --line:#37334f;
  --edge:#0a0914; --edge-ink:#f1eeff; --plank:#2b2745; --desk:#100f1e; --dot:rgba(255,255,255,.06);
  --paper:#24222f; --paper-ink:#e8e3d8; --paper-muted:#a7a196; --paper-line:#3a3746;
  --accent:#ff8266; --accent-ink:#1b0e09; --sun:#ffd25e; --sun-ink:#2a2200; --hl:rgba(255,210,94,.25); --danger:#ff8a78;
  --cloth-basic:#36b67a; --cloth-inter:#f0a53a; --cloth-adv:#7570ec; --cloth-mine:#ec68a8;
  color-scheme:dark }}
:root[data-theme="dark"]{
  --bg:#17152a; --surface:#232039; --ink:#f1eeff; --muted:#aaa5c6; --line:#37334f;
  --edge:#0a0914; --edge-ink:#f1eeff; --plank:#2b2745; --desk:#100f1e; --dot:rgba(255,255,255,.06);
  --paper:#24222f; --paper-ink:#e8e3d8; --paper-muted:#a7a196; --paper-line:#3a3746;
  --accent:#ff8266; --accent-ink:#1b0e09; --sun:#ffd25e; --sun-ink:#2a2200; --hl:rgba(255,210,94,.25); --danger:#ff8a78;
  --cloth-basic:#36b67a; --cloth-inter:#f0a53a; --cloth-adv:#7570ec; --cloth-mine:#ec68a8;
  color-scheme:dark }

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0}
img{max-width:100%}
.note{color:var(--muted);margin:0 0 14px;font-size:14px}
[hidden]{display:none!important}
html,body{background:var(--bg);color:var(--ink)}
body{font-family:var(--f-ui);font-size:15px;line-height:1.5}
button,select,input{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--sun);outline-offset:2px}
.wrap{max-width:1080px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
svg{stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* hero */
.top{padding-block:26px 6px}
.hero{display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:20px;align-items:center}
.hello{display:inline-block;margin:0 0 8px;padding:3px 12px;border-radius:99px;background:var(--sun);color:var(--sun-ink);font-family:var(--f-display);font-weight:600;font-size:14px;border:2px solid var(--edge);transform:rotate(-1.5deg)}
.brand{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.brand h1{font-family:var(--f-display);font-weight:800;font-size:clamp(40px,8vw,60px);line-height:.95;margin:0;letter-spacing:-.02em}
.brand h1{display:inline-flex;align-items:flex-end;gap:.12em}
.brand h1 .wm span{color:var(--accent)}
.logo-mark{width:1.35em;height:1.35em;flex:none;margin-bottom:-.06em;overflow:visible;transform-origin:50% 90%;transition:transform .3s cubic-bezier(.3,1.6,.5,1)}
.logo-mark .lm{stroke:var(--edge-ink)}
.logo-mark .rays{transform-box:view-box;transform-origin:256px 98px;animation:sun 12s linear infinite}
.brand h1:hover .logo-mark{transform:rotate(-6deg) scale(1.06)}
@keyframes sun{to{transform:rotate(360deg)}}
.install{align-self:center;padding:3px 12px;border-radius:99px;border:2px solid var(--edge);background:var(--sun);color:var(--sun-ink);font-family:var(--f-display);font-weight:700;font-size:14px;cursor:pointer;box-shadow:2px 2px 0 var(--edge)}
.brand .bn{font-family:var(--f-display);font-weight:600;font-size:20px;color:var(--muted)}
.lede{margin:10px 0 0;max-width:58ch;color:var(--muted)}
.lede b{color:var(--ink);font-weight:600;background:linear-gradient(transparent 60%,var(--hl) 0)}
.stats{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{display:inline-flex;align-items:baseline;gap:5px;padding:4px 12px;border-radius:99px;background:var(--surface);border:2px solid var(--line);font-size:14px;color:var(--muted)}
.chip b{font-family:var(--f-display);font-size:18px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums}
.chip.c1 b{color:var(--cloth-basic)} .chip.c2 b{color:var(--cloth-inter)} .chip.c3 b{color:var(--cloth-adv)}
.art{width:100%;max-width:200px;justify-self:end}
.art svg{stroke:var(--edge);stroke-width:2.5;display:block;width:100%;height:auto;overflow:visible}
.art .bob{animation:bob 4s ease-in-out infinite;transform-origin:50% 100%}
.art .flap{animation:flap 3.2s ease-in-out infinite;transform-box:fill-box;transform-origin:0% 100%}
.art .tw{animation:tw 2.4s ease-in-out infinite;transform-box:fill-box;transform-origin:center}
.art .tw2{animation-delay:1.2s}
@keyframes bob{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-5px) rotate(-1deg)}}
@keyframes flap{0%,55%,100%{transform:scaleX(1)}75%{transform:scaleX(-.85)}}
@keyframes tw{0%,100%{transform:scale(1) rotate(0)}50%{transform:scale(.55) rotate(30deg)}}
@media (max-width:600px){.hero{grid-template-columns:minmax(0,1fr) 92px;gap:10px;align-items:start}.art{margin-top:30px}}

/* continue */
.cont{margin-top:18px;display:flex;align-items:center;gap:14px;padding:12px 14px;border:2px solid var(--edge);background:var(--surface);border-radius:16px;cursor:pointer;text-align:left;width:100%;box-shadow:4px 4px 0 var(--edge);transition:transform .15s,box-shadow .15s}
.cont:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--edge)}
.cont:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--edge)}
.cont .mini{width:34px;flex:none;aspect-ratio:2/3;border-radius:3px 6px 6px 3px;border:2px solid var(--edge)}
.cont .t{min-width:0;flex:1}
.cont .k{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600}
.cont .n{font-family:var(--f-display);font-weight:700;font-size:18px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cont .go{flex:none;font-family:var(--f-display);font-weight:700;padding:4px 14px;border-radius:99px;background:var(--accent);color:var(--accent-ink);border:2px solid var(--edge)}

/* tabs */
.tabs{display:flex;gap:8px;margin-top:22px;padding:4px 4px 8px;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{flex:none;display:inline-flex;align-items:center;gap:7px;background:var(--surface);border:2px solid var(--line);padding:7px 14px 6px 10px;border-radius:99px;cursor:pointer;color:var(--ink);font-family:var(--f-display);font-weight:600;font-size:16px;white-space:nowrap;transition:transform .15s}
.tab:hover{transform:translateY(-2px);border-color:var(--tabc)}
.tab .ico{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--tabc);color:#fff}
.tab .ico svg{width:15px;height:15px;stroke-width:2.4}
.tab .ct{font-size:13px;color:var(--muted);font-weight:600;font-variant-numeric:tabular-nums}
.tab[aria-selected="true"]{background:var(--tabc);border-color:var(--edge);color:#fff;box-shadow:3px 3px 0 var(--edge)}
.tab[aria-selected="true"] .ico{background:rgba(255,255,255,.25)}
.tab[aria-selected="true"] .ct{color:rgba(255,255,255,.85)}

/* level intro */
.panel{padding-block:18px 48px}
.intro{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:16px;align-items:center;margin-bottom:28px;padding:16px 18px;border-radius:20px;background:var(--surface);border:2px solid var(--line)}
.badge{display:grid;place-items:center;width:78px;height:78px;border-radius:50%;background:var(--lc);color:#fff;border:2px solid var(--edge);box-shadow:3px 3px 0 var(--edge);transform:rotate(-6deg)}
.badge .ico svg{width:26px;height:26px;stroke-width:2.4;display:block}
.badge .band{font-family:var(--f-display);font-weight:800;font-size:15px;line-height:1;margin-top:-6px}
.intro h2{font-family:var(--f-display);font-weight:700;font-size:24px;line-height:1.1;margin:0 0 4px;color:var(--lc)}
.intro p{margin:0;max-width:62ch}
.intro .bnl{color:var(--muted);margin-top:4px}
.meter{display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:16px;background:var(--bg);font-size:13px;line-height:1.2;color:var(--muted)}
.meter b{font-family:var(--f-display);font-size:34px;line-height:1;color:var(--lc);font-variant-numeric:tabular-nums}
@media (max-width:640px){.intro{grid-template-columns:auto minmax(0,1fr)}.meter{grid-column:1 / -1;justify-self:start}.badge{width:64px;height:64px}}

/* shelf */
.shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:30px 24px;padding:0 6px 20px;border-bottom:12px solid var(--plank);border-radius:0 0 6px 6px}
@media (max-width:420px){.shelf{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 16px}}
.book{display:flex;flex-direction:column;gap:12px;background:none;border:0;padding:0;text-align:left;cursor:pointer;min-width:0}
.book .meta{min-width:0}
.book .bt{font-family:var(--f-display);font-weight:700;font-size:17px;line-height:1.15}
.book .ba{font-size:13px;color:var(--muted)}
.book .bs{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;margin-top:2px}
.prog{height:6px;background:var(--line);border-radius:99px;margin-top:7px;overflow:hidden}
.prog i{display:block;height:100%;background:var(--accent);border-radius:99px}
.cwrap{position:relative;display:block;cursor:pointer}
.book:hover .cover,.cwrap:hover .cover{transform:translateY(-6px) rotate(-2deg);box-shadow:7px 9px 0 var(--edge)}
.sticker{position:absolute;top:-10px;right:-8px;z-index:2;padding:2px 10px;border-radius:99px;background:var(--sun);color:var(--sun-ink);border:2px solid var(--edge);font-family:var(--f-display);font-weight:700;font-size:13px;transform:rotate(8deg);font-variant-numeric:tabular-nums}
.sticker.done{background:var(--cloth-basic);color:#fff}

/* cloth cover */
.cover{position:relative;aspect-ratio:2/3;width:100%;max-width:100%;border-radius:5px 12px 12px 5px;background:var(--cc);overflow:hidden;border:2px solid var(--edge);
  box-shadow:4px 5px 0 var(--edge);transition:transform .22s cubic-bezier(.3,1.6,.5,1),box-shadow .22s;color:var(--plate-ink)}
.cover::before{content:"";position:absolute;inset:0;background:radial-gradient(rgba(255,255,255,.16) 1.2px,transparent 1.6px) 0 0/10px 10px}
.cover::after{content:"";position:absolute;inset:0 auto 0 0;width:10%;background:rgba(0,0,0,.18);border-right:2px solid rgba(0,0,0,.25)}
.cover .plate{position:absolute;left:18%;right:9%;top:13%;background:var(--plate);padding:10% 9%;border-radius:10px;border:2px solid var(--edge)}
.cover .ct1{font-family:var(--f-display);font-weight:700;font-size:var(--cfs,17px);line-height:1.05;text-wrap:balance;overflow-wrap:break-word;hyphens:auto;-webkit-hyphens:auto}
.cover .ca{font-size:calc(var(--cfs,17px)*.64);margin-top:.5em;color:#6b6458;font-family:var(--f-read);font-style:italic}
.cover .lv{position:absolute;left:18%;bottom:7%;font-family:var(--f-display);font-weight:700;font-size:calc(var(--cfs,17px)*.62);letter-spacing:.1em;text-transform:uppercase;color:#fff;background:rgba(0,0,0,.2);padding:1px 8px;border-radius:99px}
.cover.pdf{background:#fff}
.cover.pdf::before,.cover.pdf::after{display:none}
.cover.pdf img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cover.pdf .noimg{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--f-display);font-weight:800;color:#555;font-size:24px}

/* uploads */
.drop{display:flex;flex-direction:column;align-items:flex-start;gap:6px;padding:22px;border:2.5px dashed var(--cloth-mine);border-radius:20px;background:var(--surface);cursor:pointer}
.drop.over{background:var(--hl)}
.drop strong{font-family:var(--f-display);font-weight:700;font-size:21px}
.drop .s{color:var(--muted);font-size:14px}
.drop .row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:8px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 16px;border-radius:12px;border:2px solid var(--edge);background:var(--surface);cursor:pointer;font-family:var(--f-display);font-weight:700;box-shadow:3px 3px 0 var(--edge);transition:transform .12s,box-shadow .12s}
.btn:hover{transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--edge)}
.btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--edge)}
.btn.pri{background:var(--accent);color:var(--accent-ink)}
.btn.sm{padding:3px 10px;font-size:13px;box-shadow:2px 2px 0 var(--edge);border-radius:10px}
.btn.warn{color:var(--danger)}
.sel{padding:6px 8px;border-radius:10px;border:2px solid var(--line);background:var(--surface);font-size:13px;max-width:100%}
.status{min-height:1.5em;color:var(--muted);font-size:14px;margin:10px 0 0}
.mine{margin-top:28px}
.mine .book{cursor:default}
.ctrl{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:8px}
h3.sub{font-family:var(--f-display);font-weight:700;font-size:24px;margin:38px 0 10px}
.sources{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.src{padding:14px 16px;border:2px solid var(--line);border-radius:16px;background:var(--surface);min-width:0;transition:border-color .15s,transform .15s}
.src:hover{border-color:var(--edge);transform:translateY(-2px)}
.src a{font-family:var(--f-display);font-weight:700;font-size:17px;color:var(--accent);text-decoration:none}
.src a:hover{text-decoration:underline}
.src p{margin:4px 0 0;font-size:14px;color:var(--muted)}
.empty{color:var(--muted);padding:20px;border:2px dashed var(--line);border-radius:16px;max-width:62ch}

/* words */
.wbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:16px;font-family:var(--f-display);font-weight:600;font-size:17px}
.wlist{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.wcard{display:flex;gap:10px;align-items:flex-start;padding:14px 16px;border:2px solid var(--edge);border-radius:16px;background:var(--surface);min-width:0;box-shadow:3px 3px 0 var(--edge)}
.wcard:nth-child(4n+1){transform:rotate(-.8deg)} .wcard:nth-child(4n+3){transform:rotate(.7deg)}
.wcard:nth-child(4n+1) .wt{color:var(--cloth-basic)} .wcard:nth-child(4n+2) .wt{color:var(--cloth-inter)} .wcard:nth-child(4n+3) .wt{color:var(--cloth-adv)} .wcard:nth-child(4n) .wt{color:var(--cloth-mine)}
.wcard .wt{font-family:var(--f-display);font-weight:800;font-size:21px;line-height:1.1}
.wcard .wm{font-size:16px;margin-top:2px}
.wcard .wf{font-size:12px;color:var(--muted);margin-top:4px}
.wcard .x{margin-left:auto;flex:none;background:none;border:0;cursor:pointer;color:var(--muted);font-size:20px;line-height:1;padding:2px 4px}
.hide-m .wm{filter:blur(6px);cursor:pointer;user-select:none;transition:filter .2s}
.hide-m .wm.show{filter:none}

/* reader */
#reader{position:fixed;inset:0;z-index:50;background:var(--desk) radial-gradient(var(--dot) 1.5px,transparent 2px) 0 0/18px 18px;display:flex;flex-direction:column;
  padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
.rbar{display:flex;align-items:center;gap:8px;padding-block:10px;padding-left:max(12px,env(safe-area-inset-left,0px));padding-right:max(12px,env(safe-area-inset-right,0px))}
.rbar .rt{flex:1;min-width:0;text-align:center;font-family:var(--f-display);font-weight:700;font-size:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ib{flex:none;min-width:40px;height:40px;padding:0 10px;border-radius:12px;border:2px solid var(--edge);background:var(--surface);cursor:pointer;display:inline-grid;place-items:center;font-family:var(--f-display);font-weight:700;box-shadow:2px 2px 0 var(--edge);transition:transform .12s,box-shadow .12s}
.ib:hover:not(:disabled){transform:translate(-1px,-1px);box-shadow:3px 3px 0 var(--edge)}
.ib:active:not(:disabled){transform:translate(2px,2px);box-shadow:0 0 0 var(--edge)}
.ib:disabled{opacity:.35;cursor:default}
.ib svg{width:18px;height:18px;stroke-width:2.6}
#rPrev,#rNext{min-width:52px;height:46px;border-radius:14px}
#rNext{background:var(--accent);color:var(--accent-ink)}
#stage{flex:1;min-height:0;position:relative;display:grid;place-items:center;overflow:hidden}
.rfoot{display:flex;align-items:center;gap:12px;padding-block:8px 12px;padding-left:max(12px,env(safe-area-inset-left,0px));padding-right:max(12px,env(safe-area-inset-right,0px))}
.rfoot .mid{flex:1;min-width:0;text-align:center;font-size:13px;color:var(--muted);font-weight:600;font-variant-numeric:tabular-nums}
.rfoot .prog{max-width:420px;margin:6px auto 0;height:8px;border:2px solid var(--edge);background:var(--surface)}
.loading{color:var(--muted);font-family:var(--f-display);font-weight:600;font-size:17px}

.toast{position:fixed;left:50%;bottom:calc(84px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);z-index:210;max-width:calc(100vw - 32px);padding:12px 18px;border-radius:16px;background:var(--sun);color:var(--sun-ink);border:2px solid var(--edge);box-shadow:4px 4px 0 var(--edge);font-size:15px;animation:pop .45s cubic-bezier(.3,1.6,.5,1)}
.toast b{font-family:var(--f-display);font-size:18px;display:block}
@keyframes pop{from{transform:translate(-50%,30px) scale(.8);opacity:0}}
.confetti{position:fixed;inset:0;z-index:200;pointer-events:none}

/* book pages */
.flipbook{margin:0 auto;filter:drop-shadow(0 14px 18px rgba(0,0,0,.22))}
.page{background:var(--paper);color:var(--paper-ink)}
.sp{font-size:var(--fs,16px);font-family:var(--f-read)}
.pg{position:absolute;inset:0;display:flex;flex-direction:column;padding:8.5% 9% 5.5%}
.pg-body{flex:1;min-height:0;overflow:hidden;hyphens:auto;-webkit-hyphens:auto}
.pg-body p{margin:0;line-height:1.55;text-align:justify;text-indent:1.3em}
.pg-body p.cont,.pg-body h2+p,.pg-body p.first{text-indent:0}
.pg-body p.moral{font-style:italic;color:var(--paper-muted);text-indent:0;margin-top:.5em;text-align:left}
.pg-body h2{font-family:var(--f-display);font-weight:700;font-size:1.5em;line-height:1.15;margin:.2em 0 .6em;text-wrap:balance}
.pg-body h2:not(:first-child){margin-top:1.1em}
.pg-body .dropcap::first-letter{font-family:var(--f-display);font-weight:800;color:var(--accent);float:left;font-size:3.1em;line-height:.82;padding:.06em .08em 0 0}
.pg-foot{display:flex;justify-content:space-between;gap:10px;font-family:var(--f-ui);font-size:.68em;color:var(--paper-muted);padding-top:.7em;letter-spacing:.04em}
.pg-foot span:first-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.is-spread .page.pl{box-shadow:inset -14px 0 18px -14px rgba(0,0,0,.28)}
.is-spread .page.pr{box-shadow:inset 14px 0 18px -14px rgba(0,0,0,.28)}
.w{all:unset;text-indent:0;cursor:pointer;border-bottom:1.5px dotted currentColor;border-bottom-color:color-mix(in srgb,var(--paper-ink) 55%,transparent)}
.w:hover,.w.on{background:var(--hl);border-radius:3px}
.w.saved{border-bottom-style:solid;border-bottom-color:var(--accent)}

/* title page */
.tp{display:flex;flex-direction:column;height:100%;justify-content:center;gap:.5em}
.tp .lvl{align-self:flex-start;font-family:var(--f-display);font-weight:700;font-size:.7em;letter-spacing:.1em;text-transform:uppercase;color:#fff;background:var(--lc);padding:.15em .8em;border-radius:99px}
.tp h1{font-family:var(--f-display);font-weight:800;font-size:2.2em;line-height:1.05;margin:.1em 0;text-wrap:balance}
.tp .au{font-style:italic;color:var(--paper-muted)}
.tp hr{border:0;border-top:1px solid var(--paper-line);width:30%;margin:.8em 0}
.tp .nt{font-size:.82em;color:var(--paper-muted);margin:0}
.tp .how{font-family:var(--f-ui);font-size:.74em;line-height:1.5;margin-top:1.2em;padding-top:.8em;border-top:1px solid var(--paper-line);color:var(--paper-muted)}
.tp .how b{color:var(--paper-ink);font-weight:600}

/* study pages */
.pg-body .sh{font-family:var(--f-ui);font-size:.66em;letter-spacing:.16em;text-transform:uppercase;color:var(--paper-muted);margin:0 0 .5em}
.pg-body .sh:not(:first-child){margin-top:1.1em}
.gl{display:flex;justify-content:space-between;gap:.8em;padding:.28em 0;border-bottom:1px solid var(--paper-line);font-size:.9em}
.gl b{font-weight:600}
.gl span{font-family:var(--f-ui);text-align:right;min-width:0}
.ph{font-size:.88em;font-style:italic;padding:.25em 0 .25em .8em;border-left:2px solid var(--paper-line);margin:.35em 0}
.pq{font-size:.88em;margin:.45em 0;padding-left:1.4em;position:relative}
.pq i{position:absolute;left:0;font-style:normal;font-family:var(--f-ui);font-weight:600;color:var(--paper-muted)}
.blank{display:grid;place-items:center;height:100%;color:var(--paper-muted);font-style:italic;font-size:.85em}

/* hard covers inside the book */
.hard{background:var(--cc)}
.hard .cover{position:absolute;inset:0;width:100%;height:100%;aspect-ratio:auto;border-radius:0;box-shadow:none}
.hard .backc{position:absolute;inset:0;background:var(--cc);display:flex;flex-direction:column;justify-content:flex-end;padding:12%;color:rgba(255,255,255,.88);font-family:var(--f-ui);font-size:13px;gap:4px}
.hard .backc::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 3px)}
.hard .backc b{font-family:var(--f-display);font-weight:800;font-size:24px}

/* pdf pages */
.pp{background:#fff}
.pp img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#fff}
.pp .pn{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);color:#999;font-size:13px}

/* gloss popover */
#pop{position:fixed;z-index:80;max-width:min(300px,calc(100vw - 24px));background:var(--surface);color:var(--ink);border:2px solid var(--edge);border-radius:16px;padding:12px 16px;box-shadow:4px 4px 0 var(--edge);animation:pp .25s cubic-bezier(.3,1.6,.5,1)}
@keyframes pp{from{transform:scale(.85);opacity:0}}
#pop .pw{font-family:var(--f-display);font-size:22px;font-weight:800;color:var(--accent)}
#pop .pm{font-size:17px;margin:2px 0 10px}

.measure{position:fixed;left:-20000px;top:0;visibility:hidden;pointer-events:none}
@media (prefers-reduced-motion:reduce){.cover,.book:hover .cover,.cwrap:hover .cover,.cont,.btn,.ib,.tab{transition:none}.book:hover .cover,.cwrap:hover .cover{transform:none}.art *,#pop,.toast,.logo-mark .rays{animation:none!important}}

/* ---------- account ---------- */
.top{position:relative}
.acct{position:absolute;top:24px;right:0;display:inline-flex;align-items:center;gap:8px;padding:4px 14px 4px 4px;border-radius:99px;border:2px solid var(--edge);background:var(--surface);cursor:pointer;font-family:var(--f-display);font-weight:700;font-size:15px;box-shadow:3px 3px 0 var(--edge);transition:transform .12s,box-shadow .12s;z-index:5}
.acct:hover{transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--edge)}
.acct:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--edge)}
.av{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--cloth-adv);color:#fff;font-family:var(--f-display);font-weight:800;font-size:14px;flex:none}
.av.out{background:var(--accent)}
.av svg{width:18px;height:18px;stroke-width:2.4}
.av.big{width:56px;height:56px;font-size:22px;border:2px solid var(--edge);box-shadow:2px 2px 0 var(--edge)}
.acct .sd{width:9px;height:9px;border-radius:50%;background:var(--line);margin-left:-2px}
.acct[data-sync="saved"] .sd{background:var(--cloth-basic)}
.acct[data-sync="saving"] .sd{background:var(--sun)}
.acct[data-sync="offline"] .sd{background:var(--danger)}
@media (max-width:560px){.acct{padding:3px;top:20px}.acct .an,.acct .sd{display:none}.acct .av{width:34px;height:34px}}

.sheet{position:fixed;inset:0;z-index:90;background:rgba(18,16,36,.5);display:grid;place-items:center;padding:max(16px,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) max(16px,env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));overflow-y:auto}
.sheet-card{position:relative;width:min(420px,100%);background:var(--surface);color:var(--ink);border:2px solid var(--edge);border-radius:22px;padding:24px 22px 20px;box-shadow:6px 6px 0 var(--edge);animation:pop .35s cubic-bezier(.3,1.6,.5,1)}
@media (max-width:560px){.sheet{align-items:end;padding-bottom:max(12px,env(safe-area-inset-bottom,0px))}.sheet-card{animation:up .3s ease-out}}
@keyframes up{from{transform:translateY(40px);opacity:0}}
.sheet-card h2{font-family:var(--f-display);font-weight:800;font-size:26px;line-height:1.1;margin:0 34px 4px 0}
.sheet-card .muted{color:var(--muted);margin:0 0 14px}
.x-close{position:absolute;top:12px;right:12px;width:34px;height:34px;border-radius:50%;border:2px solid var(--line);background:var(--surface);font-size:20px;line-height:1;cursor:pointer;color:var(--muted)}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;border-radius:14px;background:var(--bg);margin-bottom:14px}
.seg button{border:0;background:none;padding:8px;border-radius:10px;font-family:var(--f-display);font-weight:700;cursor:pointer;color:var(--muted)}
.seg button[aria-selected="true"]{background:var(--surface);color:var(--ink);box-shadow:0 0 0 2px var(--edge)}
#acctForm{display:flex;flex-direction:column;gap:12px}
.fl{display:flex;flex-direction:column;gap:5px;font-size:13px;font-weight:600;color:var(--muted)}
.fl input{width:100%;padding:11px 13px;border-radius:12px;border:2px solid var(--line);background:var(--bg);color:var(--ink);font-size:16px;font-family:var(--f-ui)}
.fl input:focus{outline:none;border-color:var(--accent)}
.form-err{margin:0;min-height:1.2em;color:var(--danger);font-size:14px;font-weight:600}
.btn.wide{justify-content:center;width:100%;padding:11px;font-size:17px}
.btn:disabled{opacity:.6;cursor:default;transform:none}
.fine{font-size:13px;color:var(--muted);margin:12px 0 0}
.me{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.me .muted{margin:0;overflow-wrap:anywhere}
.acct-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.acct-stats span{display:flex;flex-direction:column;align-items:center;text-align:center;padding:10px 6px;border-radius:14px;background:var(--bg);font-size:12px;color:var(--muted)}
.acct-stats b{font-family:var(--f-display);font-size:24px;line-height:1.1;color:var(--ink)}
.sync-line{margin:12px 0 0;font-weight:600;font-size:14px;color:var(--cloth-basic);min-height:1.2em}
.acct-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.linkbtn{border:0;background:none;padding:0;color:var(--accent);font:inherit;font-weight:700;text-decoration:underline;cursor:pointer}