/* Steady design system — adapted from "Educational App | Mobile app Concept" by Nickelfox (Figma Community, CC BY 4.0). */
/* Arabic text: IBM Plex Sans Arabic (SIL Open Font License, fonts/IBMPlexSansArabic-OFL.txt), used only for Arabic characters. */
@font-face{font-family:"Steady Arabic";src:url(fonts/plex-ar-400.woff2) format("woff2");font-weight:400;font-display:swap;unicode-range:U+0600-06FF,U+0750-077F,U+0870-08FF,U+FB50-FDFF,U+FE70-FEFC,U+200C-200F}
@font-face{font-family:"Steady Arabic";src:url(fonts/plex-ar-500.woff2) format("woff2");font-weight:500 600;font-display:swap;unicode-range:U+0600-06FF,U+0750-077F,U+0870-08FF,U+FB50-FDFF,U+FE70-FEFC,U+200C-200F}
@font-face{font-family:"Steady Arabic";src:url(fonts/plex-ar-700.woff2) format("woff2");font-weight:700 900;font-display:swap;unicode-range:U+0600-06FF,U+0750-077F,U+0870-08FF,U+FB50-FDFF,U+FE70-FEFC,U+200C-200F}
:root{
  --bg:#f6f6f9;--surface:#fff;--surface-2:#efeff4;--text:#121216;--muted:#6f6f7b;--faint:#999;--border:#e7e7ee;
  --primary:#495eca;--primary-ink:#fff;--primary-soft:#e8ebff;--link:#495eca;
  --red:#d42a2a;--red-soft:#fdeaea;--green:#1d9a5b;--green-soft:#e5f6ec;
  --orange:#f6833d;--orange-soft:#fff4ed;--violet:#c05aff;--violet-soft:#f7ebff;--amber:#b7791f;--amber-soft:#fff5e3;
  --g1:linear-gradient(113.6deg,#548ad8 16.9%,#8a4bd3 85.3%);
  --g2:linear-gradient(113.6deg,#f33e62 16.9%,#f79334 85.3%);
  --g3:linear-gradient(113.6deg,#893e9c 16.9%,#f82b73 85.3%);
  --g4:linear-gradient(113.6deg,#d39646 16.9%,#b9b9bb 85.3%);
  --plum:#4b2b6f;--plum-2:#5a3784;
  --shadow:0 4px 18px rgba(20,20,40,.05);--nav-shadow:0 0 17px rgba(0,0,0,.08);
  --radius:20px;--read:17px;
  --font:"Steady Arabic",Roboto,-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,system-ui,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){
  --bg:#17121f;--surface:#221b2e;--surface-2:#2d2540;--text:#f3f1f8;--muted:#aca5bd;--faint:#8c8599;--border:#352c48;
  --primary:#5d70dc;--primary-soft:#2a2f5c;--link:#a3afff;
  --red:#ff6b6b;--red-soft:#3d1f27;--green:#4cd389;--green-soft:#173326;
  --orange:#ffa36b;--orange-soft:#3b2719;--violet:#d89bff;--violet-soft:#33204a;--amber:#f2c063;--amber-soft:#382c17;
  --plum:#2a1940;--plum-2:#3a2558;--shadow:none;--nav-shadow:0 0 22px rgba(0,0,0,.45);color-scheme:dark}}
:root[data-theme=dark]{
  --bg:#17121f;--surface:#221b2e;--surface-2:#2d2540;--text:#f3f1f8;--muted:#aca5bd;--faint:#8c8599;--border:#352c48;
  --primary:#5d70dc;--primary-soft:#2a2f5c;--link:#a3afff;
  --red:#ff6b6b;--red-soft:#3d1f27;--green:#4cd389;--green-soft:#173326;
  --orange:#ffa36b;--orange-soft:#3b2719;--violet:#d89bff;--violet-soft:#33204a;--amber:#f2c063;--amber-soft:#382c17;
  --plum:#2a1940;--plum-2:#3a2558;--shadow:none;--nav-shadow:0 0 22px rgba(0,0,0,.45);color-scheme:dark}
:root[data-size=s]{--read:15.5px}:root[data-size=l]{--read:19px}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 var(--font);letter-spacing:.01em;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;overscroll-behavior-y:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;letter-spacing:inherit}
h1,h2,h3{margin:0;line-height:1.2;font-weight:500}
svg{flex:none}
#view{max-width:600px;margin:0 auto;padding:calc(env(safe-area-inset-top) + 18px) 18px calc(env(safe-area-inset-bottom) + 120px);outline:none;min-height:100vh}
body.full #view{padding-bottom:calc(env(safe-area-inset-bottom) + 40px)}
body.full .tabs{display:none}
.ic{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ── Header (menu · bell · avatar) ── */
.hdr{display:flex;align-items:center;gap:18px;min-height:44px;margin-bottom:20px}
.hdr .sp{flex:1}
.ib{position:relative;width:40px;height:40px;margin:-8px;display:grid;place-items:center;border:0;background:none;cursor:pointer;color:var(--text)}
.ib .ic{width:24px;height:24px}
.dot{position:absolute;top:2px;inset-inline-end:0;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:var(--red);color:#fff;font-size:11px;font-weight:700;line-height:18px;text-align:center}
.avatar{position:relative;flex:none;width:40px;height:40px;border-radius:50%;background:var(--g1);color:#fff;display:grid;place-items:center;font-weight:700;font-size:16px;box-shadow:0 0 0 2px var(--surface)}
.avatar.lg{width:84px;height:84px;font-size:32px;box-shadow:none}
.vbadge{position:absolute;inset-inline-end:-1px;bottom:-1px;width:14px;height:14px;border-radius:50%;background:#f6833d;border:2px solid var(--bg);display:grid;place-items:center}
.vbadge::after{content:"";width:3px;height:6px;border:solid #fff;border-width:0 1.5px 1.5px 0;transform:translateY(-1px) rotate(45deg)}
.on-plum .ib,.on-plum .hdr{color:#fff}

/* ── Greeting ── */
.hi h1{font-size:26px;font-weight:500;letter-spacing:.03em}
.hi p{margin:4px 0 0;font-size:16px;letter-spacing:.03em}
.hi p b{color:var(--red);font-weight:500}
.hi p b.ok{color:var(--green)}
.sec{display:flex;align-items:center;gap:8px;margin:28px 0 10px;font-size:18px;font-weight:500}
.sec .ic{width:22px;height:22px;color:var(--red)}
.sec small{margin-inline-start:auto;font-size:13px;font-weight:400;color:var(--muted)}
.sub{color:var(--muted);margin:6px 0 0}
.eyebrow{margin:0 0 4px;font-size:12px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}

/* ── Points-style hero (blue with blobs) ── */
.hero{position:relative;display:flex;align-items:center;gap:16px;min-height:122px;margin-top:28px;padding:20px;border-radius:var(--radius);overflow:hidden;color:#fff;
  background:radial-gradient(118% 150% at 108% 128%,#7356d8 0 47%,transparent 47.4%),radial-gradient(95% 120% at -12% -38%,#3779e6 0 52%,transparent 52.4%),#495eca}
.hero .hx{flex:1;min-width:0}
.hero .num{display:flex;align-items:flex-end;gap:4px}
.hero .num b{font-size:40px;line-height:34px;font-weight:700;letter-spacing:.02em}
.hero .num span{font-size:14px;line-height:16px}
.hero p{margin:10px 0 0;font-size:14px;line-height:19px;opacity:.95}
.hero .go{flex:none;background:#fff;color:#495eca;font-weight:500;font-size:14px;line-height:19px;padding:6px 10px;border-radius:8px;white-space:nowrap}
.hero.g{background-color:transparent}

/* ── Up next cards ── */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tcard{display:flex;flex-direction:column;justify-content:center;gap:4px;min-height:88px;padding:18px 18px;border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);min-width:0}
.tcard b{font-size:17px;font-weight:500;line-height:22px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tmeta{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.tag{display:inline-flex;align-items:center;padding:4px 7px;border-radius:99px;font-size:12px;line-height:14px;white-space:nowrap;max-width:100%;overflow:hidden;text-overflow:ellipsis}
.t1{background:var(--primary-soft);color:var(--link)}.t2{background:var(--orange-soft);color:var(--orange)}.t3{background:var(--violet-soft);color:var(--violet)}.t4{background:var(--amber-soft);color:var(--amber)}
.tg{background:var(--green-soft);color:var(--green)}.tr{background:var(--red-soft);color:var(--red)}
.time{display:inline-flex;align-items:center;gap:2px;font-size:14px;color:var(--red);white-space:nowrap}
.time .ic{width:14px;height:14px;stroke-width:2}
.time.calm{color:var(--muted)}

/* ── Course gradient buttons ── */
.gbtn{display:flex;align-items:center;justify-content:center;min-height:62px;padding:12px 14px;border-radius:var(--radius);color:#fff;font-size:17px;font-weight:500;line-height:21px;text-align:center}
.cg1{background:var(--g1)}.cg2{background:var(--g2)}.cg3{background:var(--g3)}.cg4{background:var(--g4)}
.hint{display:flex;gap:12px;align-items:flex-start;margin-top:16px;padding:16px 18px;border-radius:var(--radius);border:1.5px dashed var(--border);color:var(--muted);font-size:14px;line-height:1.5}
.hint b{color:var(--text);font-weight:500;display:block;font-size:15px}
.hint .ic{width:22px;height:22px;color:var(--link)}

/* ── Courses tab (plum screen with stacked cards) ── */
html.plum{background:var(--plum)}
body.plum{background:var(--plum)}
.plumbg{position:fixed;inset:0;z-index:-1;background:radial-gradient(60% 40% at 85% 12%,var(--plum-2) 0 60%,transparent 61%),radial-gradient(50% 35% at 10% 92%,var(--plum-2) 0 60%,transparent 61%),var(--plum)}
.stack-cards{margin:8px -18px 0 -18px;padding-bottom:10px}
.scard{position:relative;display:flex;flex-direction:column;align-items:flex-end;justify-content:center;gap:4px;height:164px;margin-top:-18px;padding:0 24px;border-start-start-radius:0;border-end-start-radius:0;border-start-end-radius:20px;border-end-end-radius:20px;color:#fff;overflow:hidden;box-shadow:12px -14px 40px rgba(0,0,0,.18)}
.scard:first-child{margin-top:0}
.scard b{position:relative;font-size:30px;font-weight:500;letter-spacing:.03em;line-height:1.15;text-align:end;text-shadow:0 2px 10px rgba(0,0,0,.12)}
.scard small{position:relative;font-size:14px;opacity:.92}
.scard .sbar{position:relative;width:120px;height:4px;border-radius:4px;background:rgba(255,255,255,.3);overflow:hidden}
.scard .sbar i{display:block;height:100%;background:#fff}
.scard::before{content:"";position:absolute;inset:0;opacity:.35;pointer-events:none}
.scard.cg1::before{background:repeating-radial-gradient(circle at 26% 80%,transparent 0 14px,rgba(255,255,255,.35) 15px 16px)}
.scard.cg2::before{background:repeating-linear-gradient(-40deg,transparent 0 22px,rgba(255,255,255,.4) 22px 26px,transparent 26px 60px)}
.scard.cg3::before{background:radial-gradient(circle,rgba(255,255,255,.7) 0 2px,transparent 3px) 0 0/34px 34px,radial-gradient(circle,rgba(255,220,120,.7) 0 3px,transparent 4px) 17px 17px/34px 34px}
.scard.cg4::before{background:conic-gradient(from 45deg,rgba(255,255,255,.35) 0 25%,transparent 0 50%,rgba(255,255,255,.2) 0 75%,transparent 0) 0 0/54px 54px}
.scard:nth-child(1){width:calc(100% - 56px)}.scard:nth-child(2){width:calc(100% - 76px)}.scard:nth-child(3){width:calc(100% - 96px)}.scard:nth-child(n+4){width:calc(100% - 116px)}
.plum-note{color:rgba(255,255,255,.75);font-size:14px;line-height:1.5;margin:22px 4px 0}
.plum-title{color:#fff;font-size:26px;font-weight:500;letter-spacing:.03em;margin:0 0 4px}
.plum-sub{color:rgba(255,255,255,.75);margin:0 0 18px;font-size:15px}

/* ── Floating pill nav ── */
.tabs{position:fixed;left:50%;bottom:calc(env(safe-area-inset-bottom) + 14px);transform:translateX(-50%);z-index:10;display:flex;align-items:center;justify-content:space-between;gap:6px;width:min(350px,calc(100% - 36px));padding:10px 14px;border-radius:70px;background:var(--surface);box-shadow:var(--nav-shadow)}
.tabs a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-width:96px;height:55px;padding:0 12px;border-radius:30px;font-size:12px;letter-spacing:.03em;color:var(--faint)}
.tabs svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.tabs a[aria-current=page]{background:var(--primary);color:#fff;font-weight:700}

/* ── Generic cards, lists, buttons ── */
.card{background:var(--surface);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow)}
.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:54px;padding:14px 18px;border-radius:16px;border:0;background:var(--surface);box-shadow:var(--shadow);font-weight:500;font-size:16px;cursor:pointer;text-align:center;color:var(--text)}
.btn.primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(73,94,202,.28)}
.btn.white{background:#fff;color:#495eca}
.btn:active{transform:scale(.99)}
.stack{display:grid;gap:10px;margin-top:18px}
.stack.two{grid-template-columns:1fr 1fr}
svg.ar{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.rowlink{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px;border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);margin-bottom:10px;font-size:15px}
.rowlink small{display:block;color:var(--muted);font-size:13px;margin-top:2px}
.rowlink .ar{color:var(--text)}
.list{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.list .item{padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.list .item+.item{border-top:1px solid var(--border)}
.list .item p{margin:2px 0 0;color:var(--muted);font-size:13.5px}
.list .item b{font-weight:500}
.seg{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;background:var(--surface-2);border-radius:12px;padding:3px;gap:3px;min-width:170px}
.seg button{border:0;background:transparent;padding:9px 6px;border-radius:9px;font-weight:500;font-size:14px;color:var(--muted);cursor:pointer}
.seg button[aria-pressed=true]{background:var(--primary);color:#fff}
.linkbtn{border:0;background:none;color:var(--link);font-weight:500;cursor:pointer;padding:6px 0;font-size:15px}
.linkbtn.danger{color:var(--red)}
.foot{text-align:center;color:var(--muted);font-size:13px;margin-top:22px}
.fine{margin:10px 0 0;font-size:13px;color:var(--muted)}
.center{text-align:center}
.empty{text-align:center;padding:28px 20px}
.empty p{color:var(--muted);margin:8px 0 0}

/* ── Sub-screen top bar ── */
.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:10px;margin:calc(-18px - env(safe-area-inset-top)) -18px 10px;padding:calc(env(safe-area-inset-top) + 10px) 12px 10px;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px)}
.iconbtn{flex:none;width:40px;height:40px;border-radius:12px;border:0;background:transparent;display:grid;place-items:center;cursor:pointer;color:var(--text)}
.iconbtn svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.topbar .label{flex:1;font-size:15px;color:var(--text);font-weight:500;text-align:center}
.topbar .count{font-size:14px;color:var(--muted);font-weight:500;min-width:42px;text-align:end}
.bar{flex:1;height:6px;border-radius:99px;background:var(--surface-2);overflow:hidden}
.bar i{display:block;height:100%;background:var(--primary);border-radius:inherit;transition:width .4s ease}
.topbar .bar{margin-inline-end:8px}
.readbar{position:sticky;top:calc(env(safe-area-inset-top) + 60px);z-index:5;height:3px;margin:-10px -18px 12px}
.readbar i{display:block;height:100%;width:0;background:var(--primary);transition:width .1s linear}

/* ── Course page ── */
.chero{position:relative;margin-top:4px;padding:22px 20px 20px;border-radius:var(--radius);color:#fff;overflow:hidden}
.chero::before{content:"";position:absolute;inset:0;opacity:.3;pointer-events:none}
.chero.cg1::before{background:repeating-radial-gradient(circle at 90% 120%,transparent 0 14px,rgba(255,255,255,.35) 15px 16px)}
.chero.cg2::before{background:repeating-linear-gradient(-40deg,transparent 0 22px,rgba(255,255,255,.4) 22px 26px,transparent 26px 60px)}
.chero.cg3::before{background:radial-gradient(circle,rgba(255,255,255,.7) 0 2px,transparent 3px) 0 0/34px 34px}
.chero.cg4::before{background:conic-gradient(from 45deg,rgba(255,255,255,.35) 0 25%,transparent 0 50%,rgba(255,255,255,.2) 0 75%,transparent 0) 0 0/54px 54px}
.chero>*{position:relative}
.chero h1{font-size:28px;font-weight:500;letter-spacing:.02em}
.chero .stats-line{margin:6px 0 0;font-size:14px;opacity:.92}
.chero .row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px}
.chero .next{min-width:0}
.chero .next small{display:block;font-size:12px;opacity:.85;text-transform:uppercase;letter-spacing:.06em}
.chero .next b{display:block;font-size:16px;font-weight:500;line-height:1.3}
.chero .go{flex:none;background:#fff;color:#495eca;font-weight:500;font-size:14px;padding:8px 12px;border-radius:8px;white-space:nowrap}
.about{color:var(--muted);line-height:1.6;margin:16px 2px 4px;font-size:15px}
.progress{margin-top:16px;display:flex;align-items:center;gap:12px;font-size:14px;color:var(--muted)}
.remain{margin:6px 2px 0;font-size:13.5px;color:var(--muted)}
.unit{background:var(--surface);border-radius:var(--radius);margin-bottom:10px;box-shadow:var(--shadow);overflow:hidden}
.unit summary{list-style:none;display:flex;align-items:center;gap:14px;padding:16px 18px;cursor:pointer}
.unit summary::-webkit-details-marker{display:none}
.unum{flex:none;width:36px;height:36px;border-radius:12px;display:grid;place-items:center;background:var(--primary-soft);color:var(--link);font-weight:700;font-size:15px}
.unit.complete .unum{background:var(--green-soft);color:var(--green)}
.unit .t{flex:1;min-width:0}
.unit .t b{display:block;font-size:16px;font-weight:500}
.unit .t small{color:var(--muted);font-size:13.5px}
.chev{flex:none;width:18px;height:18px;stroke:var(--muted);fill:none;stroke-width:2;transition:transform .2s}
.unit[open] .chev,.deeper[open] .chev{transform:rotate(180deg)}
.obj{margin:0 18px 6px;padding:12px 14px;border-radius:14px;background:var(--surface-2)}
.obj p{margin:0 0 4px;font-size:12px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.obj ul{margin:0;padding-inline-start:18px;font-size:14px;line-height:1.5}
.lessons{list-style:none;margin:0;padding:0 8px 8px}
.lrow{display:flex;align-items:center;gap:12px;padding:11px 10px;border-radius:12px}
.lrow:active{background:var(--surface-2)}
.lrow .dot2{flex:none;width:22px;height:22px;border-radius:50%;border:2px solid var(--border);display:grid;place-items:center}
.lrow.done .dot2{background:var(--green);border-color:var(--green)}
.lrow.done .dot2::after{content:"";width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:translateY(-1px) rotate(45deg)}
.lrow.next .dot2{border-color:var(--primary);box-shadow:inset 0 0 0 4px var(--surface),inset 0 0 0 10px var(--primary)}
.lrow .lt{flex:1;font-size:15.5px}
.lrow .lm{color:var(--muted);font-size:13px;white-space:nowrap}
.lrow.extra .lt{font-weight:500}
.ico{flex:none;width:22px;height:22px;display:grid;place-items:center;color:var(--link)}
.ico svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ico.ok{color:var(--green)}
.ico.big{width:44px;height:44px;border-radius:14px;background:var(--primary-soft)}.ico.big svg{width:24px;height:24px}
.ico.big.ok{background:var(--green-soft)}
.ico.huge{width:76px;height:76px;border-radius:24px;background:var(--primary-soft);margin:24px auto 16px}.ico.huge svg{width:38px;height:38px}
.score-chip{display:inline-block;padding:3px 9px;border-radius:99px;background:var(--surface-2);color:var(--muted);font-weight:500;font-size:13px}
.score-chip.ok{background:var(--green-soft);color:var(--green)}
.finalcard{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);margin-top:4px}
.finalcard .t{flex:1}.finalcard .t b{display:block;font-weight:500}.finalcard small{color:var(--muted);font-size:13.5px}
.disclaimer{margin:22px 4px 0;font-size:12.5px;line-height:1.55;color:var(--muted);border-top:1px solid var(--border);padding-top:14px}

/* ── Lesson ── */
.lesson h1{font-size:28px;font-weight:500;margin:2px 0 8px;letter-spacing:.01em}
.lesson .lead{font-size:calc(var(--read) + 1px);color:var(--muted);margin:0 0 8px}
.lesson .meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin:0 0 22px}
.lesson p.body{font-size:var(--read);line-height:1.7;margin:0 0 16px}
.box{border-radius:var(--radius);padding:18px 20px;margin:18px 0;background:var(--surface);box-shadow:var(--shadow)}
.box h3{display:flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;margin-bottom:10px}
.box h3 svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.box p{margin:0;font-size:calc(var(--read) - 1px);line-height:1.6}
.box p+p{margin-top:8px}
.box ul{margin:0;padding-inline-start:20px;font-size:calc(var(--read) - 1px);line-height:1.55}
.box li+li{margin-top:6px}
.box.key h3{color:var(--link)}.box.key{border-inline-start:4px solid var(--primary)}
.box.ex h3{color:var(--muted)}
.box.myth{background:var(--orange-soft);box-shadow:none}.box.myth h3{color:var(--orange)}
.box.try{background:var(--violet-soft);box-shadow:none}.box.try h3{color:var(--violet)}
.mchip{font-weight:500}
.deeper{border-radius:var(--radius);margin:18px 0;background:var(--surface);box-shadow:var(--shadow)}
.deeper summary{list-style:none;display:flex;align-items:center;justify-content:space-between;padding:17px 20px;font-weight:500;cursor:pointer}
.deeper summary::-webkit-details-marker{display:none}
.deeper summary small{color:var(--muted);font-weight:400}
.deeper .in{padding:0 20px 6px}
.h2{font-size:18px;font-weight:500;margin:28px 0 8px}
.terms{margin:8px 0 0}
.terms div{padding:12px 0;border-top:1px solid var(--border)}
.terms dt{font-weight:500}
.terms dd{margin:2px 0 0;color:var(--muted);font-size:15px;line-height:1.5}
.note{width:100%;padding:16px 18px;border-radius:16px;border:1.5px solid var(--border);background:var(--surface);color:var(--text);font:inherit;font-size:15.5px;line-height:1.5;resize:vertical;outline:none}
.note:focus{border-color:var(--primary)}
.pager{display:flex;justify-content:space-between;gap:10px;margin-top:22px;font-size:14px}
.pager a{color:var(--muted);max-width:48%}
.pager a b{display:block;color:var(--text);font-weight:500}
.pager a:last-child{text-align:end;margin-inline-start:auto}

/* ── Quiz ── */
.q h2{font-size:22px;font-weight:500;line-height:1.35;margin:10px 0 20px}
.q .src{display:flex;gap:6px;flex-wrap:wrap}
.opts{display:grid;gap:10px}
.opt{display:flex;gap:12px;align-items:flex-start;text-align:start;width:100%;padding:16px 18px;border-radius:18px;border:2px solid transparent;background:var(--surface);box-shadow:var(--shadow);font-size:16px;line-height:1.4;cursor:pointer}
.opt .k{flex:none;width:26px;height:26px;border-radius:8px;background:var(--primary-soft);color:var(--link);display:grid;place-items:center;font-size:13px;font-weight:700}
.opt:disabled{cursor:default}
.opt.right{border-color:var(--green);background:var(--green-soft)}
.opt.right .k{background:var(--green);color:#fff}
.opt.wrong{border-color:var(--red);background:var(--red-soft)}
.opt.wrong .k{background:var(--red);color:#fff}
.opt.dim{opacity:.5}
.why{margin-top:16px;padding:18px 20px;border-radius:18px;background:var(--surface);box-shadow:var(--shadow);font-size:15.5px;line-height:1.55}
.why b{display:block;margin-bottom:4px;font-weight:500}
.why.ok b{color:var(--green)}.why.no b{color:var(--red)}
.result{text-align:center;padding-top:28px}
.score{width:136px;height:136px;margin:0 auto 18px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--primary) calc(var(--p)*1%),var(--surface-2) 0)}
.score span{width:112px;height:112px;border-radius:50%;background:var(--bg);display:grid;place-items:center;font-size:30px;font-weight:700}
.result h1{font-size:26px;font-weight:500}
.result p{color:var(--muted);margin:8px auto 0;max-width:420px}
.missed{text-align:start;margin-top:20px}
.mq{padding:12px 0;border-top:1px solid var(--border)}
.mq:first-child{border-top:0}
.mq p{margin:6px 0 4px;color:var(--green);font-weight:500;font-size:15px}
.mq small{color:var(--muted);font-size:14px;line-height:1.5;display:block}
.intro{text-align:center}
.intro h1{font-size:26px;font-weight:500}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:20px 0}
.facts div{background:var(--surface);border-radius:18px;padding:14px 6px;box-shadow:var(--shadow)}
.facts b{display:block;font-size:22px;font-weight:700}.facts span{font-size:12.5px;color:var(--muted)}
.warn{background:var(--orange-soft);color:var(--text);border-radius:16px;padding:14px 16px;font-size:14px;text-align:start;margin:14px 0 0}

/* ── Review & flashcards ── */
.revgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.rev{display:flex;flex-direction:column;gap:2px;padding:20px;border-radius:var(--radius);color:#fff}
.rev .big{font-size:44px;font-weight:700;line-height:1}
.rev b{font-weight:500;font-size:17px;margin-top:6px}
.rev small{opacity:.9;font-size:13px}
.rev.idle{filter:saturate(.35);opacity:.8}
.flash{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;width:100%;min-height:340px;margin-top:10px;padding:28px 22px;border:0;border-radius:26px;background:var(--surface);box-shadow:var(--shadow);text-align:center;cursor:pointer;color:var(--text)}
.flash small{font-size:13px}
.flash b{font-size:26px;font-weight:500;line-height:1.25}
.flash p{margin:0;font-size:var(--read);line-height:1.6}
.flash .hint2{color:var(--muted);font-size:14px}
.flash.flipped{background:var(--g1);color:#fff}
.flash.flipped .tag{background:rgba(255,255,255,.2);color:#fff}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.stat{border-radius:var(--radius);padding:16px 18px;background:var(--surface);box-shadow:var(--shadow)}
.stat b{display:block;font-size:26px;font-weight:700}
.stat b small{font-size:15px;color:var(--muted);font-weight:400}
.stat span{color:var(--muted);font-size:13.5px}

/* ── Search ── */
.prompt{font-size:16px;line-height:1.5;margin:0 0 20px;letter-spacing:.02em}
.search{position:relative;display:block;margin-bottom:22px}
.search input{width:100%;height:60px;padding-block:0;padding-inline:22px 54px;border-radius:16px;border:1.5px solid var(--text);background:transparent;color:var(--text);font:inherit;font-size:16px;outline:none}
.search input:focus{border-color:var(--primary)}
.search svg{position:absolute;inset-inline-end:18px;top:50%;width:22px;height:22px;transform:translateY(-50%);stroke:var(--muted);fill:none;stroke-width:2;stroke-linecap:round}
.gl{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.gl li{padding:16px 20px;border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}
.gl li b{font-weight:500}
.gl p{margin:3px 0 6px;color:var(--muted);font-size:14.5px;line-height:1.5}
.gl a{font-size:13px}
.lhit{display:flex;align-items:center;justify-content:space-between;gap:12px}
.lhit span{display:block;font-size:13px;color:var(--muted);margin-top:3px}
.letter{font-size:13px;font-weight:700;color:var(--link);margin:20px 4px 8px}

/* ── Profile ── */
.profile{display:flex;align-items:center;gap:18px;margin:6px 0 4px}
.profile h1{font-size:22px;font-weight:500}
.profile p{margin:2px 0 0;color:var(--muted);font-size:14px}
.profile a{display:inline-block;margin-top:6px;font-size:13px;color:var(--link);text-decoration:underline}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips .tag{font-size:13px;padding:7px 10px;border-radius:9px}
.mbar{display:flex;height:10px;border-radius:99px;overflow:hidden;background:var(--surface-2)}
.mbar i{display:block;height:100%}
.legend{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:12px;font-size:13.5px;color:var(--muted)}
.legend span{display:flex;align-items:center;gap:6px}
.legend i{width:10px;height:10px;border-radius:3px;background:var(--surface-2);display:inline-block}
.mbar i.m-mastered,.legend i.m-mastered{background:var(--primary)}
.mbar i.m-familiar,.legend i.m-familiar{background:#8a4bd3}
.mbar i.m-learning,.legend i.m-learning{background:var(--orange)}
.pc summary{padding:14px 16px}
.pcin{padding:4px 18px 18px}
.list.inner{margin-top:14px;box-shadow:none;background:var(--surface-2)}
.list.inner .item{padding:12px 14px;font-size:14.5px}
.list.inner .item+.item{border-color:var(--surface)}
.cdot{flex:none;width:34px;height:34px;border-radius:11px}

/* ── Certificate & fields ── */
.cert{width:100%;height:auto;border-radius:14px;box-shadow:var(--shadow);margin-top:6px}
.field{display:block;margin-top:16px}
.field span{display:block;font-size:13px;font-weight:500;color:var(--muted);margin:0 0 6px 2px}
.field input{width:100%;padding:15px 18px;border-radius:16px;border:1.5px solid var(--border);background:var(--surface);color:var(--text);font:inherit;font-size:16px;outline:none}
.field input:focus{border-color:var(--primary)}

/* ── Welcome ── */
.welcome{min-height:calc(100vh - 60px);display:flex;flex-direction:column;justify-content:center;color:#fff;text-align:center;padding:10px 4px 20px}
.welcome .art{width:min(300px,78vw);margin:0 auto 26px;display:block}
.welcome h1{font-size:30px;font-weight:500;letter-spacing:.02em;line-height:1.2}
.welcome p{margin:10px auto 0;max-width:360px;color:rgba(255,255,255,.8);font-size:16px;line-height:1.5}
.welcome .field span{color:rgba(255,255,255,.8);text-align:start}
.welcome .field input{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.25);color:#fff}
.welcome .field input::placeholder{color:rgba(255,255,255,.55)}

/* ── Toast ── */
#toast{position:fixed;left:50%;bottom:calc(env(safe-area-inset-bottom) + 100px);transform:translate(-50%,20px);opacity:0;pointer-events:none;z-index:20;max-width:calc(100% - 36px);background:var(--text);color:var(--bg);padding:12px 16px;border-radius:14px;font-size:14.5px;font-weight:500;transition:.25s;display:flex;align-items:center;gap:12px}
#toast.show{opacity:1;transform:translate(-50%,0);pointer-events:auto}
#toast button{border:0;background:var(--primary);color:#fff;font-weight:700;border-radius:9px;padding:6px 10px}

.fade{animation:fade .22s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media (max-width:370px){.list .item{flex-wrap:wrap}.list .item .seg{min-width:100%}.tabs a{min-width:84px}.tcard{padding:16px 14px}.tcard b{font-size:16px}}
@media (min-width:640px){.scard:nth-child(n){width:calc(100% - 120px)}}

/* ── Friends ── */
.tabs a{min-width:0;flex:1;padding:0 6px}
.tabs{width:min(380px,calc(100% - 28px));gap:4px;padding:8px 10px}
.avatar.sm{width:38px;height:38px;font-size:15px;box-shadow:none}
.avatar.cg1{background:var(--g1)}.avatar.cg2{background:var(--g2)}.avatar.cg3{background:var(--g3)}.avatar.cg4{background:var(--g4)}
.prow{display:flex;align-items:center;gap:12px;padding:14px 18px}
.prow+.prow{border-top:1px solid var(--border)}
.prow .rank{width:18px;text-align:center;color:var(--muted);font-weight:700;font-size:14px}
.prow .pn{flex:1;min-width:0}.prow .pn b{display:block;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.prow .pn small{color:var(--muted);font-size:13px}
.prow .pm{text-align:end}.prow .pm b{display:block;font-size:18px;font-weight:700;line-height:1.1}.prow .pm small{color:var(--muted);font-size:12px}
.addf{display:flex;gap:10px;margin-top:12px}
.addf input{flex:1;min-width:0;height:54px;padding:0 18px;border-radius:16px;border:1.5px solid var(--border);background:var(--surface);color:var(--text);font:inherit;font-size:17px;letter-spacing:.14em;text-transform:uppercase;outline:none}
.addf input:focus{border-color:var(--primary)}
.addf .btn{width:auto;padding:0 24px;min-height:54px}
.cheer{border:0;cursor:pointer;text-align:start;color:var(--text)}
.cheer b{font-size:26px}.cheer span{font-size:14px;color:var(--muted)}
.hero .go{border:0;cursor:pointer;font-family:inherit}

/* ── User-created courses ── */
.tag.aib{background:var(--violet-soft);color:var(--violet)}
.plumbtns{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:22px}
.plumbtn{background:rgba(255,255,255,.12);color:#fff;box-shadow:none}
.plumbtns .ic{width:20px;height:20px}
.plumrow{background:rgba(255,255,255,.1);color:#fff;box-shadow:none;margin-top:12px}.plumrow small{color:rgba(255,255,255,.75)}.plumrow .ar{color:#fff}
.orow{display:flex;align-items:center;gap:8px;margin-top:6px}
.orow .lm{width:18px;text-align:center}
.oin{flex:1;min-width:0;width:100%;padding:10px 12px;border-radius:12px;border:1.5px solid var(--border);background:var(--bg);color:var(--text);font:inherit;font-size:15px;outline:none}
.oin:focus{border-color:var(--primary)}
.oin.ob{font-weight:500;font-size:16px}
.spin{display:inline-block;width:16px;height:16px;border-radius:50%;border:2px solid var(--primary-soft);border-top-color:var(--primary);animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.field .seg{min-width:0}

/* ── 3.4: brand, menu, up next, explore, outline, practice, reader, RTL ── */
.logo{display:block;height:100%;width:auto;fill:currentColor}
.hdr .brand{display:flex;align-items:center;height:21px;color:var(--primary);margin-inline-start:2px}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .hdr .brand{color:#fff}}
:root[data-theme=dark] .hdr .brand{color:#fff}
.on-plum .hdr .brand{color:#fff}
[dir=rtl] .flip{transform:scaleX(-1)}
html[lang=ar] body{letter-spacing:0}
.seg button[lang=ar]{font-size:15px}
html[lang=ar] .eyebrow,html[lang=ar] .box h3,html[lang=ar] .obj p,html[lang=ar] .chero .next small{letter-spacing:0;text-transform:none}
html[lang=ar] .hi h1,html[lang=ar] .hi p,html[lang=ar] .plum-title,html[lang=ar] .scard b{letter-spacing:0}

/* slide-out menu */
.drawer{position:fixed;inset:0;z-index:30}
.drawer .scrim{position:absolute;inset:0;background:rgba(10,8,20,.45);opacity:0;transition:opacity .2s}
.dpanel{position:absolute;top:0;bottom:0;inset-inline-start:0;width:min(320px,86vw);overflow-y:auto;background:var(--surface);padding:calc(env(safe-area-inset-top) + 14px) 14px calc(env(safe-area-inset-bottom) + 18px);box-shadow:0 0 40px rgba(0,0,0,.25);transform:translateX(-102%);transition:transform .22s ease;display:flex;flex-direction:column;gap:6px}
[dir=rtl] .dpanel{transform:translateX(102%)}
.drawer.open .scrim{opacity:1}.drawer.open .dpanel{transform:none}
.dhead{display:flex;align-items:center;justify-content:space-between;padding:4px 4px 8px 8px}
.dhead .brand{height:24px;color:var(--primary);display:flex}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .dhead .brand{color:#fff}}
:root[data-theme=dark] .dhead .brand{color:#fff}
.dme{display:flex;align-items:center;gap:12px;padding:12px;border-radius:16px;background:var(--surface-2);margin-bottom:6px}
.dme b{display:block;font-weight:500}.dme small{color:var(--muted);font-size:13px}
.dlinks{display:grid;gap:2px}
.dlinks a{display:flex;align-items:center;gap:14px;padding:12px;border-radius:12px;font-size:16px}
.dlinks a .ic{width:22px;height:22px;color:var(--muted)}
.dlinks a.on{background:var(--primary-soft);color:var(--link)}.dlinks a.on .ic{color:var(--link)}
.dlinks a:active{background:var(--surface-2)}
.dlinks a span{flex:1}
.dcount{min-width:22px;height:22px;padding:0 6px;border-radius:11px;background:var(--red);color:#fff;font-size:12px;line-height:22px;text-align:center}
.dlang{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:14px 12px;margin:6px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.dlang .ic{width:22px;height:22px;color:var(--muted)}.dlang>span{flex:1}
.dlang .seg{min-width:0;flex:1 1 100%}
.dver{margin:auto 0 0;padding:14px 12px 0;color:var(--faint);font-size:12px}

/* home: up next list + hint actions */
.nlist{display:grid;gap:10px}
.nrow{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}
.nic{flex:none;width:46px;height:46px;border-radius:14px;display:grid;place-items:center}
.nic .ic{width:22px;height:22px}
.k1{background:var(--primary-soft);color:var(--link)}.k2{background:var(--red-soft);color:var(--red)}.k3{background:var(--green-soft);color:var(--green)}.k4{background:var(--orange-soft);color:var(--orange)}.k5{background:var(--violet-soft);color:var(--violet)}
.nt{flex:1;min-width:0;display:flex;flex-direction:column;gap:1px}
.nt small{font-size:12px;font-weight:500;color:var(--muted);letter-spacing:.04em;text-transform:uppercase;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
html[lang=ar] .nt small{letter-spacing:0;text-transform:none}
.nt b{font-size:16px;font-weight:500;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-align:start}
.nm{font-size:13px;color:var(--muted)}
.nrow .ar{color:var(--faint)}
.hint .ic{flex:none}
.hbtns{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.btn.small{width:auto;min-height:40px;padding:8px 16px;font-size:14px;border-radius:12px}

/* explore */
.ecard{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);margin-bottom:10px}
.eart{flex:none;width:52px;height:52px;border-radius:16px;display:grid;place-items:center;color:#fff;font-size:22px;font-weight:700}
.et{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.et b{font-weight:500;font-size:16px}
.et small{color:var(--muted);font-size:13px;line-height:1.4}
.et .tag{align-self:flex-start;margin-top:4px}

/* AI outline editor */
.ostep{margin-top:22px;padding:18px;border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}
.ohead{display:flex;align-items:center;gap:10px;margin:0 0 8px;font-weight:500;font-size:17px}
.onum{flex:none;width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:700}
.ounit{margin-top:14px;padding:12px;border-radius:16px;background:var(--surface-2)}
.olabel{display:block;font-size:12px;font-weight:500;color:var(--muted);margin:0 0 4px 2px}
.ounit .oin{background:var(--surface)}
.oadd{display:inline-flex;align-items:center;gap:6px;margin-top:6px;font-size:14px}
.oadd .ic{width:18px;height:18px}
.ostep .note{margin-top:4px}
.ic.inl{width:16px;height:16px;vertical-align:-3px}

/* Try it (interactive practice) */
.box.try{background:var(--surface);box-shadow:var(--shadow);border:2px solid var(--violet-soft)}
.box.try h3{color:var(--violet);flex-wrap:wrap}
.ptype{font-weight:500;letter-spacing:0;text-transform:none;color:var(--muted);font-size:12.5px;margin-inline-start:4px}
.pdone{display:inline-flex;align-items:center;gap:3px;margin-inline-start:auto;padding:3px 8px;border-radius:99px;background:var(--green-soft);color:var(--green);font-size:12px;letter-spacing:0;text-transform:none}
.pdone svg{width:13px;height:13px;stroke-width:2.6}
.ptitle{font-weight:500;font-size:calc(var(--read) + 1px)!important;margin:0 0 4px!important}
.pintro{color:var(--muted)}
#pbody{margin-top:14px}
.phint{color:var(--muted);font-size:14px!important;margin:8px 0 0!important}
.pprog{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:12px}
.pprog .bar{height:5px}
.pcard{padding:18px;border-radius:16px;background:var(--violet-soft);font-size:var(--read);line-height:1.5;font-weight:500;text-align:center}
.pbuckets{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:8px;margin-top:12px}
.pbtn{padding:13px 10px;border-radius:14px;border:2px solid var(--border);background:var(--surface);font-weight:500;font-size:15px;cursor:pointer;line-height:1.3}
.pbtn:active{transform:scale(.98)}
.pbtn.right,.pslot.right,.prow2.right{border-color:var(--green);background:var(--green-soft)}
.pbtn.wrong,.pslot.wrong,.prow2.wrong{border-color:var(--red);background:var(--red-soft)}
.pbtn.dim,.prow2.dim{opacity:.55}
.pfb{margin-top:12px;padding:14px 16px;border-radius:14px;background:var(--surface-2);font-size:15px;line-height:1.5}
.pfb b{display:block;font-weight:500;margin-bottom:2px}
.pfb.ok b{color:var(--green)}.pfb.no b{color:var(--red)}
.pscore{padding:14px 16px;border-radius:14px;background:var(--violet-soft)}
.pscore b{display:block;font-weight:500;font-size:17px}.pscore span{font-size:14px;color:var(--muted)}
.plist{display:grid;gap:10px;margin-top:12px}
.pgroup{padding:12px 14px;border-radius:14px;background:var(--surface-2)}
.pgh{margin:0 0 6px!important;font-weight:700;font-size:13px!important;color:var(--muted);letter-spacing:.04em}
.pgi{margin:4px 0 0!important;font-size:14.5px!important;line-height:1.45}
.pgi.miss{color:var(--red)}.pgi.miss::after{content:" ✕"}
.pseq{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:8px}
.pslot,.pempty{display:flex;align-items:center;gap:10px;width:100%;padding:12px 14px;border-radius:14px;border:2px solid var(--border);background:var(--surface);font-size:15px;line-height:1.4;text-align:start;cursor:pointer;flex-wrap:wrap}
.pempty{border-style:dashed;color:var(--faint);cursor:default}
.pslot small{flex-basis:100%;color:var(--red);font-size:12.5px;padding-inline-start:36px}
.pn{flex:none;width:26px;height:26px;border-radius:8px;background:var(--primary-soft);color:var(--link);display:grid;place-items:center;font-size:13px;font-weight:700}
.pslot>span:nth-child(2){flex:1;min-width:0}
.ppool{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.pchip{padding:10px 14px;border-radius:12px;border:0;background:var(--violet-soft);font-size:14.5px;line-height:1.35;cursor:pointer;text-align:start;max-width:100%}
.ppick{display:grid;gap:8px;margin-top:10px}
.prow2{display:flex;align-items:flex-start;gap:12px;width:100%;padding:12px 14px;border-radius:14px;border:2px solid var(--border);background:var(--surface);text-align:start;cursor:pointer;font-size:15px;line-height:1.45}
.prow2.on{border-color:var(--primary);background:var(--primary-soft)}
.prow2.missed{border-color:var(--orange);background:var(--orange-soft)}
.pbox{flex:none;width:22px;height:22px;border-radius:7px;border:2px solid var(--border);display:grid;place-items:center;margin-top:1px;background:var(--surface)}
.prow2.on .pbox,.prow2.right .pbox,.prow2.wrong .pbox{background:var(--primary);border-color:var(--primary);color:#fff}
.pbox svg{width:14px;height:14px;stroke-width:3}
.ptxt{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}
.ptxt small{color:var(--muted);font-size:13.5px}
.ptxt em{font-style:normal;color:var(--orange);font-size:13px;font-weight:500}
.pdo{font-weight:500;font-size:var(--read)!important}
#pans{margin-top:10px}
.panswers{margin:12px 0 0;padding-inline-start:20px;display:grid;gap:10px}
.panswers small{color:var(--muted);font-size:13px;display:block}
.panswers p{margin:2px 0 0!important;white-space:pre-wrap}
.pchecks{display:grid;gap:6px;margin-bottom:6px}
.pcheck{display:flex;gap:10px;align-items:flex-start;font-size:15px;line-height:1.45;cursor:pointer}
.pcheck input{width:20px;height:20px;margin:2px 0 0;accent-color:var(--primary);flex:none}
.psample{margin-top:12px;border-radius:14px;background:var(--surface-2)}
.psample summary{list-style:none;display:flex;justify-content:space-between;align-items:center;padding:12px 14px;font-weight:500;cursor:pointer}
.psample summary::-webkit-details-marker{display:none}
.psample[open] .chev{transform:rotate(180deg)}
.psample p{padding:0 14px 14px;white-space:pre-wrap}
.pins{display:grid;gap:10px}
.pin{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:15px}
.pin>span:first-child{flex:1}
.pinw{display:flex;align-items:center;gap:6px}
.pinw input{width:112px;padding:10px 12px;border-radius:12px;border:1.5px solid var(--border);background:var(--surface);color:var(--text);font:inherit;font-size:16px;text-align:end;outline:none}
.pinw input:focus{border-color:var(--primary)}
.pinw em{font-style:normal;color:var(--muted);font-size:13px;min-width:28px}
.pouts{margin-top:14px;padding:6px 16px;border-radius:16px;background:var(--violet-soft)}
.pout{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:10px 0;font-size:15px}
.pout+.pout{border-top:1px solid rgba(0,0,0,.06)}
.pout b{font-size:18px;font-weight:700;white-space:nowrap}
.pout.big b{font-size:24px;color:var(--violet)}
.pnote{margin:4px 0 10px!important;font-size:14px!important;color:var(--text)}
.pdot{flex:none;display:grid;place-items:center;color:var(--violet)}
.pdot .ic{width:16px;height:16px}

/* reading aloud */
.reading{background:var(--primary-soft);border-radius:12px;box-shadow:0 0 0 6px var(--primary-soft);transition:background .2s}
.box.reading{box-shadow:0 0 0 3px var(--primary)}
.player{position:fixed;left:50%;bottom:calc(env(safe-area-inset-bottom) + 14px);transform:translateX(-50%);z-index:12;display:flex;align-items:center;gap:4px;width:min(440px,calc(100% - 24px));padding:8px 10px;border-radius:22px;background:var(--surface);box-shadow:0 8px 30px rgba(0,0,0,.18)}
.player .pbig{flex:none;width:46px;height:46px;border-radius:50%;border:0;background:var(--primary);color:#fff;display:grid;place-items:center;cursor:pointer}
.player .pbig svg{width:20px;height:20px;stroke:currentColor;fill:currentColor;stroke-width:1.5;stroke-linejoin:round}
.player .pinfo{flex:1;min-width:0;font-size:13px;color:var(--muted);text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.prate{flex:none;border:0;background:var(--surface-2);border-radius:10px;padding:8px 10px;font-weight:700;font-size:13px;cursor:pointer;color:var(--text)}
.select{width:100%;margin-top:10px;padding:12px 14px;border-radius:12px;border:1.5px solid var(--border);background:var(--surface);color:var(--text);font:inherit;font-size:15px}

/* welcome top bar */
.wtop{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.wtop .brand{height:24px;color:#fff;display:flex}
.wtop .seg{min-width:0;background:rgba(255,255,255,.12)}
.wtop .seg button{color:rgba(255,255,255,.8);padding:7px 12px}
.wtop .seg button[aria-pressed=true]{background:#fff;color:#495eca}
.welcome .art{width:min(260px,70vw)}