/* duroos.qudrati.io — one stylesheet, hashed at build.
   Every brand value is lifted from the Mutqin app (tailwind.config.ts and
   globals.css) so the two read as one product. Light only, like the app.
   Purple means "act / you are here"; subjects are told apart by family
   colour, icon and name — never by colour alone. */

*,*::before,*::after{box-sizing:border-box}
:root{
  color-scheme:only light;
  --b50:#F3F0FF;--b100:#EAE4FF;--b200:#D6CCFF;--b300:#B7A6FB;--b400:#9277F4;
  --brand:#7355E8;--b600:#6342DA;--b700:#5435BE;--b800:#452C99;--b900:#3A287B;
  --ink:#1E2336;--ink-soft:#5A6178;--ink-mute:#6B7389;--ink-faint:#AEB5C5;
  --bg:#F7F8FB;--card:#FFFFFF;--muted:#F1F3F8;--line:#ECEEF4;
  --ok:#16A34A;--ok-tint:#E9F9EF;--warn:#B45309;--warn-tint:#FEF5E7;
  --sh-card:0 1px 2px rgba(20,23,40,.04),0 8px 24px rgba(20,23,40,.05);
  --sh-soft:0 4px 16px rgba(20,23,40,.06);
  --sh-pop:0 12px 40px rgba(67,44,153,.18);
  --sh-btn:0 8px 20px rgba(99,66,218,.25);
  --ring:0 0 0 4px rgba(115,85,232,.18);
  --r-xl:16px;--r-2xl:20px;--r-3xl:26px;
  --glide:cubic-bezier(.2,.9,.25,1);--spring:cubic-bezier(.34,1.56,.64,1);--page:cubic-bezier(.65,0,.35,1);
  /* stage presets (overridden per body[data-stage]) */
  --fs:16px;--lh:1.85;--tap:48px;--tile-h:112px;--r-tile:var(--r-2xl);
  --wrap:1080px;
}
body[data-stage="primary"]{--fs:18px;--lh:1.95;--tap:56px;--tile-h:132px;--r-tile:var(--r-3xl)}
body[data-stage="middle"]{--fs:17px;--lh:1.9}
body[data-stage="secondary"]{--fs:16px;--lh:1.85}

/* family tokens */
[data-f="islamic"]{--f:#2BB7A9;--f-tint:#EAF8F6;--f-ink:#007C70}
[data-f="arabic"]{--f:#F59E0B;--f-tint:#FEF5E7;--f-ink:#AB5900}
[data-f="math"]{--f:#3B82F6;--f-tint:#EBF3FE;--f-ink:#1F67D9}
[data-f="science"]{--f:#22C55E;--f-tint:#E9F9EF;--f-ink:#008016}
[data-f="languages"]{--f:#EC4899;--f-tint:#FDEDF5;--f-ink:#C42A7B}
[data-f="social"]{--f:#CF6139;--f-tint:#FAEFEB;--f-ink:#B74B21}
[data-f="arts"]{--f:#B051C5;--f-tint:#F7EEF9;--f-ink:#A143B6}
[data-f="tech"]{--f:#64748B;--f-tint:#F1F5F9;--f-ink:#475569}

html{-webkit-text-size-adjust:100%;scroll-padding-top:84px}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;background:var(--bg);color:var(--ink);font:400 var(--fs)/var(--lh) "IBM Plex Sans Arabic",system-ui,-apple-system,"Segoe UI",Tahoma,sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:var(--b600);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:8px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.ic{width:1.25em;height:1.25em;flex:0 0 auto;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#d9dde7;border-radius:999px;border:2px solid transparent;background-clip:content-box}

/* ------------------------------------------------------------ components */
.card{background:var(--card);border:1px solid rgba(236,238,244,.7);border-radius:var(--r-2xl);box-shadow:var(--sh-card)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 20px;border-radius:var(--r-xl);
  font:500 15px/1.3 inherit;font-family:inherit;border:1px solid transparent;cursor:pointer;transition:background .2s,transform .2s,border-color .2s,color .2s;text-decoration:none!important;user-select:none}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-btn)}
.btn-primary:hover{background:var(--b600)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink-soft)}
.btn-outline:hover{border-color:var(--b300);color:var(--b600)}
.btn-ghost{background:var(--muted);color:var(--ink-soft)}
.btn-ghost:hover{background:var(--line)}
.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:500;line-height:1.6;white-space:nowrap}
.chip-brand{background:var(--b50);color:var(--b700)}
.chip-ok{background:var(--ok-tint);color:#0F7A35}
.chip-soon{background:var(--muted);color:var(--ink-soft)}
.chip-warn{background:var(--warn-tint);color:var(--warn)}
.chip-fam{background:var(--f-tint);color:var(--f-ink)}
.input{width:100%;border:1px solid var(--line);background:#fff;border-radius:var(--r-xl);padding:13px 16px;font:inherit;font-size:16px;color:var(--ink);outline:none;transition:border-color .2s,box-shadow .2s}
.input::placeholder{color:var(--ink-faint)}
.input:focus{border-color:var(--b300);box-shadow:var(--ring)}
.text-gradient{background:linear-gradient(95deg,#7355e8,#9277f4);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------------------------------------------------------------- header */
.top{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);border-bottom:1px solid var(--line)}
@media (min-width:1024px){.top{background:rgba(255,255,255,.82);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px)}}
.top .wrap{display:flex;align-items:center;gap:10px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:16px;text-decoration:none!important}
.brand .plate{display:grid;place-items:center;width:40px;height:40px;border-radius:13px;background:#fff;box-shadow:var(--sh-soft);border:1px solid var(--line)}
.brand .plate img{width:28px;height:28px;object-fit:contain}
.brand small{display:block;font-weight:500;font-size:11.5px;color:var(--ink-mute);line-height:1.2}
.top .grow{flex:1}
.searchbtn{display:flex;align-items:center;gap:8px;min-height:42px;padding:8px 14px;border-radius:var(--r-xl);border:1px solid var(--line);background:var(--bg);color:var(--ink-mute);font:inherit;font-size:14px;cursor:pointer;min-width:42px}
.searchbtn:hover{border-color:var(--b300);color:var(--b600)}
.searchbtn kbd{font:500 11px/1 inherit;font-family:inherit;color:var(--ink-faint);border:1px solid var(--line);border-radius:6px;padding:3px 5px;background:#fff}
.mutqin-pill{display:none}
body[data-stage="secondary"] .mutqin-pill,body.saved-secondary .mutqin-pill{display:inline-flex}
.progress-top{position:absolute;inset-inline-start:0;bottom:-1px;height:2px;width:0;background:linear-gradient(90deg,var(--brand),var(--b400))}
@media (max-width:640px){.searchbtn .lbl,.searchbtn kbd,.brand small{display:none}.mutqin-pill{display:none!important}}

/* ----------------------------------------------------------- breadcrumb */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:4px 6px;padding:18px 0 4px;font-size:13.5px;color:var(--ink-mute)}
.crumbs a{color:var(--ink-mute)}
.crumbs a:hover{color:var(--b600)}
.crumbs .sep{color:var(--ink-faint)}

/* ----------------------------------------------------------------- heads */
.phead{padding:12px 0 22px}
.phead h1{margin:0 0 6px;font-size:clamp(26px,5.2vw,38px);line-height:1.3;letter-spacing:-.3px}
.phead p{margin:0;color:var(--ink-soft);max-width:680px}
.phead .row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
h2.sec{display:flex;align-items:center;gap:10px;margin:34px 0 14px;font-size:18px}
h2.sec::after{content:"";flex:1;height:1px;background:var(--line)}
h2.sec .count{font-size:13px;font-weight:500;color:var(--ink-mute)}

/* ------------------------------------------------------------------ home */
.hero{position:relative;padding:54px 0 30px;text-align:center}
.hero::before{content:"";position:absolute;inset:-120px 0 auto;height:420px;margin:0 auto;max-width:900px;pointer-events:none;
  background:radial-gradient(closest-side,rgba(115,85,232,.14),transparent 72%);z-index:-1}
.hero h1{margin:0 auto 14px;max-width:820px;font-size:clamp(30px,6.4vw,52px);line-height:1.22;letter-spacing:-.6px}
.hero p.lead{margin:0 auto;max-width:640px;color:var(--ink-soft);font-size:clamp(16px,2.4vw,18px)}
.hero .bigsearch{position:relative;max-width:620px;margin:26px auto 0;display:flex;align-items:center;gap:10px;padding:8px 8px 8px 18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-2xl);box-shadow:var(--sh-soft);cursor:text;text-align:start;color:var(--ink-mute);font-size:16px;min-height:60px;width:100%;font-family:inherit}
.hero .bigsearch .ic{color:var(--b400);margin-inline-start:6px}
.hero .bigsearch .ph{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hero .bigsearch .go{background:var(--brand);color:#fff;border-radius:var(--r-xl);padding:10px 18px;font-weight:500;font-size:15px}
.stats{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin:22px 0 0}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:10px 18px;min-width:108px;text-align:center}
.stat b{display:block;font-size:22px;line-height:1.3;color:var(--b600);font-variant-numeric:tabular-nums}
.stat span{font-size:12.5px;color:var(--ink-mute)}
/* Four figures: a 2×2 grid on phones rather than three and an orphan. */
@media (max-width:560px){.stats{display:grid;grid-template-columns:1fr 1fr;max-width:360px;margin-inline:auto}.stat{min-width:0}}

.bag{margin:26px 0 0;padding:20px;display:none}
.bag.on{display:block}
.bag .bag-h{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.bag .bag-h h2{margin:0;font-size:18px}
.bag .bag-h .grow{flex:1}
.continue{display:none;align-items:center;gap:14px;padding:14px 16px;margin-bottom:14px;border-radius:var(--r-xl);background:var(--b50);border:1px solid var(--b100);color:var(--ink);text-decoration:none!important}
.continue.on{display:flex}
.continue .k{font-size:12.5px;color:var(--b700);font-weight:600}
.continue b{display:block;font-size:15.5px}
.continue .play{flex:0 0 44px;height:44px;border-radius:14px;background:var(--brand);color:#fff;display:grid;place-items:center;box-shadow:var(--sh-btn)}

.stages{display:grid;gap:14px;margin:30px 0 0}
.stage-block{padding:20px}
.stage-block .sb-h{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.stage-block .sb-h .dot{flex:0 0 42px;height:42px;border-radius:14px;display:grid;place-items:center;background:var(--b50);color:var(--b600)}
.stage-block h3{margin:0;font-size:18px}
.stage-block .sb-h p{margin:0;font-size:13.5px;color:var(--ink-mute)}
.grades{display:flex;flex-wrap:wrap;gap:8px}
.grade-pill{display:inline-flex;align-items:center;gap:8px;min-height:var(--tap);padding:8px 16px;border-radius:var(--r-xl);border:1px solid var(--line);background:#fff;color:var(--ink);font-weight:500;font-size:15px;text-decoration:none!important;transition:border-color .2s,transform .2s,box-shadow .2s}
.grade-pill:hover{border-color:var(--b300);box-shadow:var(--sh-soft);transform:translateY(-1px)}
.grade-pill .n{display:grid;place-items:center;width:30px;height:30px;border-radius:10px;background:var(--b50);color:var(--b700);font-weight:700;font-size:14px}
.grade-pill .rd{font-size:11.5px;color:#0F7A35;font-weight:500;background:var(--ok-tint);border-radius:999px;padding:1px 8px;margin-inline-start:8px;white-space:nowrap}

/* curriculum line (drawn by motion.js; static without it) */
.line-wrap{margin:34px 0 0;padding:20px 20px 12px;overflow:hidden}
.line-wrap svg{width:100%;height:auto}
.line-wrap .cap{display:flex;justify-content:space-between;font-size:12.5px;color:var(--ink-mute);margin-top:6px}

.ready-shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.band{margin:40px 0 0;padding:26px;border-radius:var(--r-3xl);background:linear-gradient(135deg,var(--b600),var(--b400));color:#fff;display:flex;flex-wrap:wrap;align-items:center;gap:16px;box-shadow:var(--sh-pop)}
.band h3{margin:0 0 4px;font-size:20px}
.band p{margin:0;color:rgba(255,255,255,.9)}
.band .grow{flex:1;min-width:220px}
.band .btn{background:#fff;color:var(--b700)}

/* ------------------------------------------------------------ tiles/rows */
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:12px}
body[data-stage="primary"] .tiles{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
.tile{position:relative;display:flex;flex-direction:column;gap:10px;min-height:var(--tile-h);padding:16px;border-radius:var(--r-tile);background:#fff;border:1px solid var(--line);
  color:var(--ink);text-decoration:none!important;box-shadow:var(--sh-card);transition:transform .2s var(--glide),box-shadow .2s,border-color .2s;overflow:hidden}
.tile::after{content:"";position:absolute;inset-block:0;inset-inline-start:0;width:5px;background:var(--f)}
.tile:hover{transform:translateY(-2px);box-shadow:var(--sh-soft);border-color:var(--b200)}
.tile:active{transform:scale(.98)}
.tile .glyph{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:var(--f-tint);color:var(--f-ink);font-weight:700;font-size:20px;line-height:1}
.tile .glyph .ic{width:26px;height:26px}
.tile b{font-size:16px;line-height:1.4}
.tile .meta{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-mute)}
.tile .ring{margin-inline-start:auto}
body[data-stage="primary"] .tile b{font-size:17px}

.rows{display:grid;gap:8px}
.rowl{display:flex;align-items:center;gap:14px;min-height:64px;padding:10px 16px;border-radius:var(--r-xl);background:#fff;border:1px solid var(--line);color:var(--ink);text-decoration:none!important;transition:border-color .2s,box-shadow .2s,transform .2s}
a.rowl:hover{border-color:var(--b200);box-shadow:var(--sh-soft);transform:translateX(-2px)}
.rowl .glyph{flex:0 0 40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--f-tint);color:var(--f-ink)}
.rowl .t{flex:1;min-width:0}
.rowl .t b{display:block;font-weight:600;line-height:1.45}
.rowl .t span{display:block;font-size:12.5px;color:var(--ink-mute)}
.rowl .end{display:flex;align-items:center;gap:8px;color:var(--ink-mute)}
.fam-label{display:flex;align-items:center;gap:8px;margin:22px 0 8px;font-size:13px;font-weight:600;color:var(--f-ink)}
.fam-label::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--f)}

/* rings (progress); dashoffset set inline, drawn by motion.js */
.ring{width:34px;height:34px;flex:0 0 34px}
.ring circle{fill:none;stroke-width:4}
.ring .bgc{stroke:var(--line)}
.ring .fg{stroke:var(--brand);stroke-linecap:round;transform:rotate(-90deg);transform-origin:50% 50%}
.ring.done .fg{stroke:var(--ok)}

/* -------------------------------------------------------------- books */
.books{display:grid;gap:14px}
.bookc{display:flex;gap:16px;padding:16px;align-items:flex-start}
.bookc .cover{flex:0 0 96px;border-radius:10px;overflow:hidden;box-shadow:var(--sh-soft);border:1px solid var(--line);background:#fff;aspect-ratio:240/330}
.bookc .cover img{width:100%;height:100%;object-fit:cover}
.bookc .info{flex:1;min-width:0}
.bookc h3{margin:0 0 6px;font-size:17px;line-height:1.45}
.bookc h3 a{color:var(--ink)}
.bookc .meta{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.bookc .acts{display:flex;flex-wrap:wrap;gap:8px}
.pdfcards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px}
.pdfc{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--r-xl);background:#fff;border:1px dashed var(--line);color:var(--ink-soft);font-size:14px;text-decoration:none!important}
.pdfc:hover{border-color:var(--b300);color:var(--b600)}
.pdfc .ic{color:var(--ink-faint)}
.pdfc span{display:block;font-size:12px;color:var(--ink-mute)}

.bookhead{display:flex;gap:22px;align-items:flex-start;padding:8px 0 24px;flex-wrap:wrap}
.bookhead .cover{flex:0 0 150px;border-radius:14px;overflow:hidden;box-shadow:var(--sh-pop);border:1px solid var(--line);background:#fff;aspect-ratio:240/330}
.bookhead .cover img{width:100%;height:100%;object-fit:cover}
.bookhead .info{flex:1;min-width:250px}
.bookhead h1{margin:0 0 8px;font-size:clamp(24px,4.6vw,34px);line-height:1.3}
.bookhead .meta{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px}
.bookhead .acts{display:flex;flex-wrap:wrap;gap:10px}
.progressbar{height:8px;border-radius:99px;background:var(--line);overflow:hidden;margin:12px 0 4px;max-width:420px}
.progressbar i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--b400));border-radius:99px}
.progresslbl{font-size:12.5px;color:var(--ink-mute)}

.notice{display:flex;gap:12px;align-items:flex-start;padding:16px 18px;border-radius:var(--r-xl);background:var(--b50);border:1px solid var(--b100);color:var(--ink);margin:6px 0 20px}
.notice .ic{color:var(--b600);margin-top:3px}
.notice b{display:block}
.notice p{margin:2px 0 0;color:var(--ink-soft);font-size:14.5px}

.unit{margin:22px 0 0}
.unit h3{display:flex;align-items:center;gap:10px;margin:0 0 10px;font-size:15px;color:var(--ink-soft)}
.unit h3::after{content:"";flex:1;height:1px;background:var(--line)}
.lessons{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.les{display:flex;align-items:center;gap:12px;min-height:56px;padding:8px 14px;border-radius:var(--r-xl);background:#fff;border:1px solid var(--line);color:var(--ink);text-decoration:none!important}
a.les:hover{border-color:var(--b200);box-shadow:var(--sh-soft)}
.les .nn{flex:0 0 34px;height:34px;border-radius:11px;display:grid;place-items:center;background:var(--b50);color:var(--b700);font-weight:700;font-size:13.5px}
.les .t{flex:1;min-width:0;font-weight:500;line-height:1.5}
.les .t span{display:block;font-size:12px;color:var(--ink-mute);font-weight:400}
.les .end{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-mute);white-space:nowrap}
.les.soon{background:var(--bg);color:var(--ink-mute);border-style:dashed}
.les.soon .nn{background:var(--muted);color:var(--ink-mute)}
.les.done .nn{background:var(--ok-tint);color:#0F7A35}
@media (max-width:560px){.les .end .pg{display:none}}

/* --------------------------------------------------------------- lesson */
.lhead{padding:8px 0 18px;border-bottom:1px solid var(--line);margin-bottom:18px}
.lhead h1{margin:0 0 10px;font-size:clamp(23px,5vw,34px);line-height:1.32}
.lhead .meta{display:flex;flex-wrap:wrap;gap:8px}
.tabs{position:relative;display:flex;gap:6px;background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:6px;margin:0 0 18px}
.tabs .ind{position:absolute;left:0;top:6px;bottom:6px;width:0;border-radius:11px;background:var(--brand);z-index:0;pointer-events:none;transition:transform .3s var(--glide),width .3s var(--glide)}
.tabs button{position:relative;z-index:1;flex:1;min-height:44px;border:0;background:none;border-radius:11px;font:inherit;font-weight:600;font-size:15px;color:var(--ink-soft);cursor:pointer;transition:color .2s}
.tabs button[aria-selected="true"]{color:#fff}
.tabs button .ic{display:inline-block;vertical-align:-3px;margin-inline-end:4px}
.panel[hidden]{display:none}
.prose{background:#fff;border:1px solid var(--line);border-radius:var(--r-2xl);padding:24px 26px;box-shadow:var(--sh-card)}
.prose>:first-child{margin-top:0}.prose>:last-child{margin-bottom:0}
.prose h2{font-size:18.5px;margin:26px 0 10px;padding-inline-start:12px;border-inline-start:4px solid var(--brand);line-height:1.5}
.prose h3{font-size:16px;margin:20px 0 8px}
.prose p{margin:0 0 13px}
.prose ul,.prose ol{margin:0 0 14px;padding-inline-start:24px}
.prose li{margin-bottom:6px}
.prose li::marker{color:var(--brand)}
.prose strong{font-weight:700}
.prose table{width:100%;border-collapse:collapse;margin:0 0 16px;font-size:15px;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:8px 12px;text-align:start}
.prose th{background:var(--b50);color:var(--b700)}
.prose math{font-size:1.08em}
.prose math[display="block"]{display:block;margin:10px 0;overflow-x:auto;direction:ltr}
.prose code{background:var(--b50);color:var(--b700);padding:1px 6px;border-radius:6px;font-size:.92em}
@media (max-width:560px){.prose{padding:18px 16px;border-radius:var(--r-xl)}}

/* the audio-first stage */
.stage{background:#fff;border:1px solid var(--line);border-radius:var(--r-3xl);box-shadow:var(--sh-card);overflow:hidden}
.slide{position:relative;background:var(--bg);display:grid;place-items:center;padding:14px;min-height:260px;overflow:hidden;touch-action:pan-y}
.slide img{max-width:100%;max-height:min(72vh,780px);width:auto;height:auto;border-radius:12px;box-shadow:var(--sh-soft);background:#fff;cursor:zoom-in}
.slide .badge{position:absolute;top:18px;inset-inline-start:18px;background:rgba(30,35,54,.76);color:#fff;font-size:12.5px;font-weight:600;padding:4px 11px;border-radius:999px}
.slide .poster{position:absolute;inset:0;display:grid;place-items:center;background:rgba(247,248,251,.0);border:0;cursor:pointer}
.slide .poster span{display:flex;align-items:center;gap:10px;padding:14px 22px;border-radius:999px;background:var(--brand);color:#fff;font:600 16px/1 inherit;font-family:inherit;box-shadow:var(--sh-btn)}
.slide .poster span .ic{width:22px;height:22px}
body[data-stage="primary"] .slide .poster span{padding:18px 28px;font-size:18px}
.stage.playing .slide .poster,.stage.started .slide .poster{display:none}
.sbar{display:flex;align-items:center;gap:10px;padding:12px 14px;border-top:1px solid var(--line);flex-wrap:wrap}
.sbtn{flex:0 0 44px;height:44px;border-radius:14px;border:0;background:var(--brand);color:#fff;display:grid;place-items:center;cursor:pointer;box-shadow:var(--sh-btn)}
.sbtn:hover{background:var(--b600)}
.sbtn.ghost{background:var(--bg);color:var(--ink-soft);border:1px solid var(--line);box-shadow:none;flex-basis:40px;height:40px}
.sbtn.ghost:hover{border-color:var(--b300);color:var(--b600)}
.sbtn:disabled{opacity:.35;cursor:default}
.sbar .grow{flex:1;min-width:140px}
.sprog{position:relative;height:6px;border-radius:99px;background:var(--line);cursor:pointer}
.sprog i{position:absolute;inset-block:0;inset-inline-start:0;width:0;border-radius:99px;background:var(--brand)}
.slbl{display:flex;justify-content:space-between;font-size:12px;color:var(--ink-mute);margin-top:4px;font-variant-numeric:tabular-nums}
.vsel{display:flex;gap:3px;padding:3px;border-radius:12px;background:var(--bg);border:1px solid var(--line)}
.vsel button{border:0;background:none;font:inherit;font-size:12.5px;font-weight:600;padding:6px 10px;border-radius:9px;color:var(--ink-mute);cursor:pointer}
.vsel button[aria-pressed="true"]{background:var(--brand);color:#fff}
.toggle{border:1px solid var(--line);background:var(--bg);font:inherit;font-size:12.5px;font-weight:600;padding:8px 12px;border-radius:11px;color:var(--ink-soft);cursor:pointer}
.toggle[aria-pressed="true"]{background:var(--brand);border-color:transparent;color:#fff}
.script{padding:18px 20px;border-top:1px solid var(--line);font-size:15.5px;line-height:1.95}
.script[hidden]{display:none}
.strip{display:flex;gap:8px;overflow-x:auto;padding:14px 2px 6px;scrollbar-width:thin}
.strip button{flex:0 0 auto;border:1px solid var(--line);background:#fff;border-radius:11px;padding:7px 12px;font:inherit;font-size:12.5px;font-weight:600;color:var(--ink-soft);cursor:pointer}
.strip button[aria-current="true"]{background:var(--brand);color:#fff;border-color:transparent}
.strip button.seen{color:var(--b600)}
@media (max-width:760px){.slide{padding:8px;min-height:200px}.slide img{max-height:64vh}.sbar .grow{flex:1 0 100%;order:-1}}

dialog.zoom{padding:0;border:0;background:rgba(20,23,40,.92);max-width:100vw;max-height:100vh;width:100vw;height:100vh}
dialog.zoom img{max-width:none;width:100%;height:auto;touch-action:pinch-zoom}
dialog.zoom .x{position:fixed;top:14px;inset-inline-end:14px;width:44px;height:44px;border-radius:14px;border:0;background:#fff;display:grid;place-items:center;cursor:pointer}

.pager{display:flex;gap:12px;margin:26px 0}
.pager a{flex:1;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);color:var(--ink);text-decoration:none!important;transition:border-color .2s,transform .2s}
.pager a:hover{border-color:var(--b200);transform:translateY(-2px)}
.pager span{display:block;font-size:12.5px;color:var(--ink-mute)}
.pager b{font-weight:600}
@media (max-width:560px){.pager{flex-direction:column}}

.ctx-card{display:flex;flex-wrap:wrap;align-items:center;gap:14px;padding:18px 20px;margin:28px 0;border:1px solid var(--b100);border-radius:var(--r-2xl);background:#fff}
.ctx-card .grow{flex:1;min-width:220px}
.ctx-card b{display:block;font-size:16px}
.ctx-card p{margin:2px 0 0;color:var(--ink-soft);font-size:14.5px}

/* mini player */
.mini{position:fixed;inset-inline:0;bottom:0;z-index:50;transform:translateY(110%);visibility:hidden;transition:transform .3s var(--glide),visibility 0s .3s;background:rgba(255,255,255,.97);border-top:1px solid var(--line);box-shadow:0 -6px 28px rgba(30,35,54,.1)}
.mini.on{transform:none;visibility:visible;transition:transform .3s var(--glide)}
.mini .wrap{display:flex;align-items:center;gap:12px;padding-block:10px}
.mini b{flex:1;min-width:0;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
body.mini-on{padding-bottom:72px}

/* ---------------------------------------------------------------- search */
dialog.search{width:min(680px,calc(100vw - 24px));max-height:min(78vh,720px);margin:8vh auto auto;padding:0;border:0;border-radius:var(--r-2xl);box-shadow:var(--sh-pop);background:#fff;color:var(--ink)}
dialog.search::backdrop{background:rgba(20,23,40,.45)}
.search .sh{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line)}
.search .sh .ic{color:var(--b400)}
.search .sh input{flex:1;border:0;outline:none;font:inherit;font-size:17px;background:none;color:var(--ink);min-width:0}
.search .sh button{border:0;background:var(--muted);border-radius:10px;padding:6px 10px;font:inherit;font-size:12.5px;color:var(--ink-soft);cursor:pointer}
.search .res{overflow-y:auto;max-height:calc(min(78vh,720px) - 70px);padding:8px}
.search .res a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;color:var(--ink);text-decoration:none!important}
.search .res a:hover,.search .res a[aria-selected="true"]{background:var(--b50)}
.search .res .k{flex:0 0 34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--f-tint,var(--muted));color:var(--f-ink,var(--ink-soft))}
.search .res .t{flex:1;min-width:0}
.search .res .t b{display:block;font-weight:600;line-height:1.4}
.search .res .t span{display:block;font-size:12.5px;color:var(--ink-mute)}
.search .empty{padding:26px 16px;text-align:center;color:var(--ink-mute)}
.search .hint{padding:10px 14px 14px;font-size:12.5px;color:var(--ink-mute)}
.search mark{background:none;color:var(--b600);font-weight:700}

/* ---------------------------------------------------------------- footer */
footer.foot{margin-top:56px;padding:30px 0 40px;border-top:1px solid var(--line);color:var(--ink-mute);font-size:13.5px;text-align:center}
footer.foot .plate{width:64px;margin:0 auto 14px;padding:8px 10px;border-radius:14px;background:#fff;box-shadow:var(--sh-soft);border:1px solid var(--line)}
footer.foot p{margin:0 0 6px}
footer.foot a{color:var(--ink-soft)}

/* --------------------------------------------------- reveal & reduced */
.rv{transition:opacity .5s var(--glide),transform .5s var(--glide)}
.rv.pre{opacity:0;transform:translateY(14px)}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}.rv.pre{opacity:1;transform:none}}
html[data-motion="reduce"] .rv.pre{opacity:1;transform:none}

@view-transition{navigation:auto}
@media (prefers-reduced-motion:reduce){@view-transition{navigation:none}}
::view-transition-old(root),::view-transition-new(root){animation-duration:.22s;animation-timing-function:var(--glide)}

/* The curriculum line needs room: on a phone its labels would shrink to a few
   pixels, and the stage blocks above already give a one-tap grade choice. */
@media (max-width:640px){.line-wrap{display:none}}
.ready-shelf{grid-template-columns:repeat(auto-fill,minmax(330px,1fr))}
.bookc .acts .btn{white-space:nowrap;min-height:40px;padding:8px 14px;font-size:14px}
@media (max-width:420px){.ready-shelf{grid-template-columns:1fr}.bookc .cover{flex-basis:80px}}