:root {
  --bg: #FBF7F0;
  --card: #FFFFFF;
  --card-2: #F3EEE5;
  --ink: #1C2530;
  --muted: #5F6B7A;
  --line: #E8E0D2;
  --primary: #0F9D76;
  --primary-ink: #FFFFFF;
  --primary-soft: #E2F4ED;
  --primary-dark: #0B7C5D;
  --accent: #F59E0B;
  --accent-soft: #FEF3DC;
  --good: #16A34A;
  --good-soft: #E6F6EA;
  --bad: #DC2626;
  --bad-soft: #FDECEC;
  --hl: #FFE7A3;
  --btn: #0B7C5D; --btn-ink: #FFFFFF; --btn-shadow: #075C45;
  --plan: #0B7C5D; --gold: #F59E0B; --amber-ink: #92400E;
  --hl-ink: #7A4B00;
  /* sentence roles */
  --s: #2563EB; --s-soft: #E7EEFE;
  --v: #E8590C; --v-soft: #FDEBDD;
  --o: #0E9F6E; --o-soft: #E1F5EC;
  --q: #7C3AED; --q-soft: #EFE7FD;
  /* icon tiles */
  --t1: #0E9F6E; --t1-bg: #E1F5EC;
  --t2: #2563EB; --t2-bg: #E7EEFE;
  --t3: #E8590C; --t3-bg: #FDEBDD;
  --t4: #7C3AED; --t4-bg: #EFE7FD;
  --t5: #DB2777; --t5-bg: #FCE7F3;
  --t6: #B45309; --t6-bg: #FEF0D7;
  --shadow: 0 1px 2px rgba(28,37,48,.05), 0 6px 18px rgba(28,37,48,.06);
  --radius: 20px;
  --en: "Nunito", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --bn: "Noto Sans Bengali", "Nirmala UI", "Bangla Sangam MN", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11151B; --card: #1A2028; --card-2: #232B35; --ink: #EEF2F6; --muted: #A1ACBA; --line: #2B343F;
    --primary: #22C08F; --primary-ink: #06261C; --primary-soft: #133A2F; --primary-dark: #5BDDB2;
    --accent: #FBBF24; --accent-soft: #3A2E12;
    --good: #34D399; --good-soft: #123126; --bad: #F87171; --bad-soft: #3A1717;
    --hl: #5A4410; --hl-ink: #FFE3A0;
    --btn: #22C08F; --btn-ink: #06261C; --btn-shadow: #138A63;
    --plan: #0E5E47; --gold: #FBBF24; --amber-ink: #FBBF24;
    --s: #86A9FF; --s-soft: #1B2A4A; --v: #FF9E63; --v-soft: #3E2415; --o: #45D9A6; --o-soft: #12352A; --q: #BB9BFF; --q-soft: #2C2148;
    --t1: #45D9A6; --t1-bg: #12352A; --t2: #86A9FF; --t2-bg: #1B2A4A; --t3: #FF9E63; --t3-bg: #3E2415;
    --t4: #BB9BFF; --t4-bg: #2C2148; --t5: #F472B6; --t5-bg: #3D1830; --t6: #FBBF24; --t6-bg: #3A2E12;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 6px 18px rgba(0,0,0,.25);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--bn); font-size: 17px; line-height: 1.6;
  -webkit-tap-highlight-color: transparent; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; padding: 0; }
input, textarea { font: inherit; color: inherit; }
b { font-weight: 700; }
.en { font-family: var(--en); }
.muted { color: var(--muted); }
.wrap { max-width: 560px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
.ic { width: 1.2em; height: 1.2em; flex: none; display: inline-block; vertical-align: -0.2em; }
mark.hl { background: var(--hl); color: var(--hl-ink); border-radius: 6px; padding: 0 3px; }

/* ---------- icon tiles ---------- */
.tile-ic { flex: none; width: 44px; height: 44px; border-radius: 14px; display: inline-grid; place-items: center; }
.tile-ic .ic { width: 24px; height: 24px; }
.tile-ic.lg { width: 56px; height: 56px; border-radius: 16px; }
.tile-ic.lg .ic { width: 30px; height: 30px; }
.tile-ic.xl { width: 76px; height: 76px; border-radius: 22px; }
.tile-ic.xl .ic { width: 40px; height: 40px; }
.t1 { background: var(--t1-bg); color: var(--t1); } .t2 { background: var(--t2-bg); color: var(--t2); }
.t3 { background: var(--t3-bg); color: var(--t3); } .t4 { background: var(--t4-bg); color: var(--t4); }
.t5 { background: var(--t5-bg); color: var(--t5); } .t6 { background: var(--t6-bg); color: var(--t6); }

/* ---------- top bar & tabs ---------- */
.topbar { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); padding-top: env(safe-area-inset-top); }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 58px; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 900; font-size: 19px; letter-spacing: -.2px; white-space: nowrap; }
.brand b { color: var(--primary); font-weight: 900; }
.pill-btn { display: inline-flex; align-items: center; gap: 6px; height: 38px; padding: 0 14px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); font-size: 14px; font-weight: 600; white-space: nowrap; }
.pill-btn .ic { width: 18px; height: 18px; color: var(--primary); }
.pill-btn[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); }
.pill-btn[aria-pressed="true"] .ic { color: var(--accent); }
.icon-btn { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; color: var(--muted); }
.icon-btn .ic { width: 22px; height: 22px; }
.top-actions { display: flex; align-items: center; gap: 4px; }

.tabs { position: fixed; left: 0; right: 0; bottom: 0; z-index: 6; background: var(--card); border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); }
.tabs .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.tab { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 8px 0 9px; font-size: 13px; font-weight: 600; color: var(--muted); }
.tab .ic { width: 24px; height: 24px; }
.tab.active { color: var(--primary); }
.tab.active .ic { stroke-width: 2.4; }
.page { padding-top: 18px; padding-bottom: calc(96px + env(safe-area-inset-bottom)); }

/* ---------- cards & home ---------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; }
.stack > * + * { margin-top: 14px; }
h1, h2, h3 { margin: 0; line-height: 1.3; }
.hello h1 { font-weight: 900; font-size: 30px; letter-spacing: -.5px; display: flex; align-items: center; gap: 8px; }
.hello .wave { width: 30px; height: 30px; color: var(--accent); transform-origin: 70% 80%; animation: wave 2.4s ease-in-out 1; }
@keyframes wave { 0%,60%,100% { transform: rotate(0); } 10%,30% { transform: rotate(14deg); } 20%,40% { transform: rotate(-8deg); } }
.hello p { margin: 4px 0 0; color: var(--muted); }
.section-title { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 700; color: var(--muted); margin: 28px 0 10px; }
.section-title .ic { color: var(--primary); }

.howto { background: var(--primary-soft); border-color: transparent; box-shadow: none; }
.howto-head { display: flex; align-items: center; justify-content: space-between; margin: -6px -8px 4px 0; }
.howto h3 { font-size: 17px; }
.howto ul { margin: 0; padding: 0; list-style: none; }
.howto li { display: flex; gap: 10px; align-items: flex-start; padding: 5px 0; font-size: 16px; line-height: 1.5; }
.howto li .ic { width: 20px; height: 20px; margin-top: 2px; }
.c1 { color: var(--t2); } .c2 { color: var(--t1); } .c3 { color: var(--t3); } .c4 { color: var(--t4); }


.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.stat { display: flex; flex-direction: column; align-items: center; gap: 2px; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 12px 6px; text-align: center; }
.stat .ic { width: 24px; height: 24px; }
.stat .n { font-family: var(--en); font-weight: 900; font-size: 21px; line-height: 1.2; }
.stat .l { font-size: 13px; color: var(--muted); }
.s-flame { color: #F97316; } .s-star { color: #F5B301; } .s-book { color: var(--t2); }


.path { list-style: none; margin: 0; padding: 0; }
.path li + li { margin-top: 10px; }
.lesson-row { width: 100%; display: flex; align-items: center; gap: 12px; text-align: left; background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 12px; min-height: 70px; }
.lr-txt { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.lesson-row .ttl { font-weight: 800; font-size: 16.5px; line-height: 1.3; }
.lesson-row .sub { font-size: 14px; color: var(--muted); line-height: 1.4; }
.lesson-row .state { flex: none; display: inline-flex; align-items: center; gap: 4px; font-size: 13px; font-weight: 700; padding: 5px 10px; border-radius: 999px; }
.lesson-row .state .ic { width: 15px; height: 15px; }
.lesson-row.done .state { background: var(--good-soft); color: var(--good); }
.lesson-row.current { border: 2px solid var(--primary); box-shadow: 0 6px 18px color-mix(in srgb, var(--primary) 18%, transparent); }
.lesson-row.current .state { background: var(--primary); color: var(--primary-ink); padding: 6px 14px; }
.lesson-row.open .state { background: var(--primary-soft); color: var(--primary-dark); }

/* ---------- buttons ---------- */
.btn { display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%; min-height: 54px; padding: 12px 18px; border-radius: 16px; font-weight: 700; font-size: 18px; transition: transform .08s ease; }
.btn .ic { width: 22px; height: 22px; }
.btn:active { transform: scale(.98); }
.btn.primary { background: var(--btn); color: var(--btn-ink); box-shadow: 0 3px 0 var(--btn-shadow); }
.btn.soft { background: var(--primary-soft); color: var(--primary-dark); border: 2px solid var(--primary); }
.btn.light { background: #fff; color: #0B6F53; box-shadow: 0 3px 0 rgba(0,0,0,.15); }
.btn.ghost { background: var(--card); border: 1px solid var(--line); }
.btn[disabled] { opacity: .45; box-shadow: none; cursor: not-allowed; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.speak { flex: none; width: 44px; height: 44px; border-radius: 50%; display: inline-grid; place-items: center; background: var(--primary-soft); color: var(--primary-dark); }
.speak .ic { width: 22px; height: 22px; }
.speak.sm { width: 38px; height: 38px; }
.speak.sm .ic { width: 20px; height: 20px; }
.speak.xl { width: 80px; height: 80px; background: var(--btn); color: var(--btn-ink); box-shadow: 0 0 0 10px var(--primary-soft); }
.speak.xl .ic { width: 38px; height: 38px; }
.playing { animation: pulse 1s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--primary) 45%, transparent); } 50% { box-shadow: 0 0 0 10px transparent; } }

/* ---------- lesson player ---------- */
.lesson { min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column; }
.lbar { position: sticky; top: 0; z-index: 4; background: var(--bg); padding-top: env(safe-area-inset-top); }
.lbar .wrap { display: flex; align-items: center; gap: 10px; height: 60px; }
.lbar .close { margin-left: -8px; }
.prog { flex: 1; height: 12px; background: var(--card-2); border-radius: 999px; overflow: hidden; }
.prog i { display: block; height: 100%; background: var(--primary); border-radius: 999px; transition: width .35s ease; }
.lbody { flex: 1; width: 100%; padding-top: 8px; padding-bottom: 24px; }
.steptag { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 700; color: var(--primary-dark); background: var(--primary-soft); padding: 5px 12px; border-radius: 999px; }
.steptag .ic { width: 17px; height: 17px; }
.steptag.amber { color: #9A5B00; background: var(--accent-soft); }
@media (prefers-color-scheme: dark) { .steptag.amber { color: var(--accent); } }
.step-title { font-size: 22px; font-weight: 700; margin: 14px 0 4px; }
.q-title { font-size: 19px; font-weight: 700; margin: 14px 0 12px; }
.step-help { color: var(--muted); margin: 0 0 16px; font-size: 16px; line-height: 1.55; }
.lfoot { position: sticky; bottom: 0; background: var(--bg); padding: 12px 0 calc(14px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); }
.lfoot.good { background: var(--good-soft); border-color: transparent; }
.lfoot.bad { background: var(--bad-soft); border-color: transparent; }
.feedback { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; }
.feedback .fi { width: 30px; height: 30px; margin-top: 1px; }
.lfoot.good .fi, .lfoot.good .ft { color: var(--good); }
.lfoot.bad .fi { color: var(--accent); }
.lfoot.bad .ft { color: var(--bad); }
.feedback .ft { font-weight: 700; font-size: 18px; }
.feedback .fa { font-size: 17px; font-weight: 700; }
.feedback .fa.en { font-weight: 800; }
.lfoot.good .btn.primary { background: var(--good); box-shadow: 0 3px 0 color-mix(in srgb, var(--good) 70%, #000); }
.lfoot.bad .btn.primary { background: var(--bad); box-shadow: 0 3px 0 color-mix(in srgb, var(--bad) 70%, #000); color: #fff; }

/* word cards */
.word-list { display: grid; gap: 12px; }
.wcard { background: var(--card); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); overflow: hidden; }
.wcard.heard { border-color: color-mix(in srgb, var(--primary) 60%, transparent); }
.wmain { width: 100%; display: flex; align-items: center; gap: 14px; padding: 14px; text-align: left; }
.wtxt { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.wtxt .w { font-weight: 900; font-size: 24px; line-height: 1.2; }
.wtxt .say { font-size: 13.5px; color: var(--muted); }
.wtxt .m { font-size: 17px; font-weight: 600; line-height: 1.35; margin-top: 2px; }
.wmain .chk { flex: none; width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary-dark); }
.wmain .chk .ic { width: 20px; height: 20px; }
.wcard.heard .chk { background: var(--primary); color: var(--primary-ink); }
.wex { width: 100%; display: flex; flex-direction: column; text-align: left; padding: 10px 14px 12px 84px; background: var(--card-2); border-top: 1px dashed var(--line); font-size: 16px; line-height: 1.4; }
.wex .en { font-weight: 700; }
.wex .exb { color: var(--muted); font-size: 15px; }

/* pattern */
.formula { display: grid; gap: 10px; }
.frow { display: flex; align-items: center; justify-content: space-between; gap: 12px; background: var(--card); border: 1px solid var(--line); border-left: 5px solid var(--primary); border-radius: 14px; padding: 12px 14px; }
.frow .fe { font-weight: 900; font-size: 20px; line-height: 1.3; }
.frow .fb { color: var(--muted); font-size: 16px; text-align: right; }
.compare { margin-top: 16px; }
.cmp-head { display: flex; align-items: center; justify-content: space-between; font-size: 14px; font-weight: 700; color: var(--muted); margin: -4px 0 10px; }
.cmp-row { display: flex; align-items: flex-start; gap: 10px; }
.cmp-row + .cmp-row { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line); }
.cmp-lbl { flex: none; width: 58px; font-size: 13px; font-weight: 700; color: var(--muted); padding-top: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-block; padding: 5px 12px; border-radius: 12px; font-weight: 700; font-size: 18px; border: 2px solid transparent; line-height: 1.4; }
.chip.en { font-weight: 800; }
.chip.s { background: var(--s-soft); color: var(--s); border-color: color-mix(in srgb, var(--s) 30%, transparent); }
.chip.v { background: var(--v-soft); color: var(--v); border-color: color-mix(in srgb, var(--v) 30%, transparent); }
.chip.o { background: var(--o-soft); color: var(--o); border-color: color-mix(in srgb, var(--o) 30%, transparent); }
.chip.q { background: var(--q-soft); color: var(--q); border-color: color-mix(in srgb, var(--q) 30%, transparent); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 14px; font-size: 13.5px; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.dot { width: 12px; height: 12px; border-radius: 4px; display: inline-block; }
.dot.s { background: var(--s); } .dot.v { background: var(--v); } .dot.o { background: var(--o); } .dot.q { background: var(--q); }
.points { margin: 16px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.points li { display: flex; gap: 10px; align-items: flex-start; background: var(--accent-soft); border-radius: 14px; padding: 12px 14px; line-height: 1.55; }
.points li .ic { width: 20px; height: 20px; color: var(--accent); margin-top: 3px; }
.points b { font-family: var(--en); font-weight: 800; color: var(--primary-dark); }


/* quiz */
.qcard { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 8px; padding: 22px 16px; }
.qcard .qe { font-weight: 900; font-size: 32px; line-height: 1.25; }
.qcard .qe.sm { font-size: 26px; }
.qcard .qb { font-size: 22px; font-weight: 700; line-height: 1.4; }
.qcard .qsub { color: var(--muted); }
.qcard .blank { display: inline-block; min-width: 64px; margin: 0 2px; border-bottom: 3px solid var(--accent); color: var(--accent); }
.opts { display: grid; gap: 10px; margin-top: 16px; }
.opt { width: 100%; text-align: left; padding: 14px 16px; min-height: 56px; background: var(--card); border: 2px solid var(--line); border-radius: 16px; font-size: 18px; font-weight: 600; box-shadow: 0 2px 0 var(--line); line-height: 1.35; }
.opt.en { font-weight: 800; }
.opt.correct { border-color: var(--good); background: var(--good-soft); color: var(--good); box-shadow: none; }
.opt.wrong { border-color: var(--bad); background: var(--bad-soft); color: var(--bad); box-shadow: none; }
.opt[disabled] { cursor: default; }

.answer-zone { min-height: 66px; display: flex; flex-wrap: wrap; gap: 8px; align-content: flex-start; padding: 10px; border-radius: 16px; border: 2px dashed var(--line); background: var(--card); margin-top: 14px; }
.answer-zone:empty::before { content: "নিচের শব্দে ট্যাপ করো"; color: var(--muted); font-size: 15px; padding: 8px 6px; }
.answer-zone.ok { border-color: var(--good); border-style: solid; }
.answer-zone.bad { border-color: var(--bad); border-style: solid; }
.tiles { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; justify-content: center; }
.tile { font-weight: 800; font-size: 19px; padding: 9px 15px; border-radius: 12px; background: var(--card); border: 2px solid var(--line); box-shadow: 0 2px 0 var(--line); }
.tile.used { visibility: hidden; }
.answer-zone .tile { background: var(--primary-soft); border-color: transparent; box-shadow: none; color: var(--primary-dark); }


/* story */
.story-head { display: flex; align-items: center; gap: 14px; margin-top: 14px; }
.story-head h3 { font-weight: 900; font-size: 22px; }
.story { display: grid; gap: 8px; }
.sline { display: flex; flex-direction: column; width: 100%; text-align: left; padding: 12px 14px; border-radius: 14px; border: 1px solid var(--line); background: var(--card); }
.sline .sb { display: none; }
.sline.open .sb { display: block; }
.sline.now { border-color: var(--primary); background: var(--primary-soft); }
.toggle-bn { margin-top: 12px; }

/* write */
.write-box { width: 100%; min-height: 110px; padding: 14px; border-radius: 16px; border: 2px solid var(--line); background: var(--card); font-weight: 700; font-size: 20px; resize: vertical; }
.write-box:focus { outline: none; border-color: var(--primary); }
.hint { display: flex; gap: 8px; align-items: flex-start; margin-top: 12px; font-size: 15px; color: var(--muted); }
.hint .ic { color: var(--accent); width: 18px; height: 18px; margin-top: 2px; }
.hint b { color: var(--ink); }

/* done */
.done-wrap { text-align: center; padding-top: 16px; display: grid; gap: 12px; }
.done-wrap h2 { font-size: 26px; }
.done-wrap > p { margin: -8px 0 0; }
.done-wrap h2 .en { font-weight: 900; }
.confetti { position: fixed; inset: 0; pointer-events: none; overflow: hidden; z-index: 20; }
.confetti i { position: absolute; top: -12px; width: 9px; height: 14px; border-radius: 2px; animation: fall 1.8s ease-in forwards; }
@keyframes fall { to { transform: translateY(105vh) rotate(540deg); opacity: .8; } }

/* words page / review */
.wlist { display: grid; gap: 8px; }
.witem { width: 100%; display: flex; align-items: center; gap: 12px; text-align: left; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 10px 12px; }
.witem .txt { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.witem .w { font-weight: 800; font-size: 18px; line-height: 1.3; }
.witem .w.my { font-weight: 700; }
.witem .m { font-size: 15px; color: var(--muted); line-height: 1.35; }
.witem .vol { color: var(--primary); width: 22px; height: 22px; }
.empty { text-align: center; padding: 36px 8px; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.empty h2 { font-size: 21px; }
.empty p { margin: 0 0 8px; color: var(--muted); }
.empty .btn, .empty .row2 { width: 100%; }
.link-danger { display: block; margin: 30px auto 0; color: var(--muted); font-size: 14px; text-decoration: underline; }

/* ---------- top bar chips ---------- */
.logo { width: 34px; height: 34px; border-radius: 10px; background: var(--btn); color: var(--btn-ink); display: grid; place-items: center; font-weight: 900; font-size: 15px; }
.chip-xp, .chip-streak, .chip-sync { display: inline-flex; align-items: center; gap: 4px; height: 36px; padding: 0 12px; border-radius: 999px; font-family: var(--en); font-weight: 900; font-size: 15px; white-space: nowrap; }
.chip-xp .ic, .chip-streak .ic, .chip-sync .ic { width: 18px; height: 18px; }
.chip-xp { background: var(--accent-soft); color: var(--amber-ink); }
.chip-xp .ic { color: var(--gold); }
.chip-streak { background: var(--t3-bg); color: var(--t3); margin-left: 6px; }
.chip-sync { font-family: var(--bn); font-weight: 700; font-size: 13px; background: var(--primary-soft); color: var(--primary-dark); }
.chip-sync.offline { background: var(--accent-soft); color: var(--amber-ink); }
.chip-sync.idle { background: var(--card-2); color: var(--muted); }
.chip-sync.saving .ic { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- level, bars, plan ---------- */
.bar { display: block; height: 12px; border-radius: 999px; background: var(--card-2); overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: 999px; background: var(--primary); transition: width .4s ease; }
.bar.amber i { background: var(--gold); }
.bar.light { height: 6px; background: rgba(255,255,255,.25); flex: 1; }
.bar.light i { background: #fff; }
.lv-row { display: flex; align-items: center; gap: 12px; }
.lv-badge { flex: none; width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; font-weight: 700; font-size: 24px; background: var(--btn); color: var(--btn-ink); }
.lv-badge.soft { background: var(--primary-soft); color: var(--primary-dark); }
.lv-txt { flex: 1; min-width: 0; }
.lv-n { font-weight: 700; font-size: 17px; line-height: 1.35; }
.lv-k { font-size: 14px; color: var(--muted); line-height: 1.4; }
.lv-k b { color: var(--amber-ink); }
.level-card { display: grid; gap: 10px; padding: 14px 16px; }
.level-card .go { width: 20px; height: 20px; color: var(--muted); }
.lv-foot { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); }

.plan { background: var(--plan); color: #fff; border-radius: 22px; padding: 18px; display: grid; gap: 10px; position: relative; overflow: hidden; }
.plan::after { content: ""; position: absolute; right: -50px; bottom: -70px; width: 180px; height: 180px; border-radius: 50%; background: rgba(255,255,255,.06); pointer-events: none; }
.plan .tag { justify-self: start; background: rgba(255,255,255,.18); padding: 3px 12px; border-radius: 999px; font-size: 13px; font-weight: 600; }
.plan-row { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 14px; background: rgba(255,255,255,.10); color: #fff; position: relative; z-index: 1; }
.plan-row.current { background: rgba(255,255,255,.18); border: 2px solid rgba(255,255,255,.55); }
.plan-row .pn { flex: none; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: #FEF3DC; color: #92400E; font-weight: 700; }
.plan-row.done .pn { background: #fff; color: #0B7C5D; }
.plan-row .pn .ic { width: 18px; height: 18px; stroke-width: 3; }
.plan-row .pt { display: flex; flex-direction: column; min-width: 0; flex: 1; line-height: 1.4; }
.plan-row .pt small { font-size: 13px; opacity: .92; }
.plan-row .pt .en { font-weight: 800; }
.plan-row .pp { display: flex; align-items: center; gap: 8px; }
.plan .btn.light { position: relative; z-index: 1; margin-top: 4px; }

/* ---------- path: units and tests ---------- */
.unit-head { display: flex; align-items: center; justify-content: space-between; font-size: 14px; font-weight: 700; color: var(--muted); margin: 18px 0 8px; }
.unit-head .link { color: var(--primary-dark); font-size: 13px; text-decoration: underline; }
.unit-done { width: 100%; display: flex; align-items: center; gap: 12px; text-align: left; padding: 12px; margin-top: 12px; border-radius: 18px; background: var(--good-soft); border: 1px solid color-mix(in srgb, var(--good) 35%, transparent); }
.unit-done .ttl { font-weight: 700; }
.unit-done .sub { font-size: 13px; color: var(--muted); }
.tile-ic.ok { background: var(--card); color: var(--good); }
.lesson-row.test { border-style: dashed; }
.lesson-row.test .ttl { font-family: var(--bn); font-weight: 700; }
.lesson-row.test .state { background: var(--accent-soft); color: var(--amber-ink); }
.mini-stars { display: inline-flex; gap: 1px; flex: none; }
.mini-stars .ic { width: 16px; height: 16px; color: var(--line); }
.mini-stars .ic.on { color: var(--gold); }
.mini-stars.big .ic { width: 30px; height: 30px; }

/* ---------- player extras ---------- */
.tagrow { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.saved { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; color: var(--muted); }
.saved .ic { width: 16px; height: 16px; color: var(--primary); }
.hint-btn { display: inline-flex; align-items: center; gap: 6px; height: 40px; padding: 0 14px; border-radius: 999px; background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--gold) 45%, transparent); color: var(--amber-ink); font-size: 14px; font-weight: 700; }
.hint-btn .ic { width: 18px; height: 18px; }
.hint-btn[disabled] { opacity: .75; cursor: default; }
.opt.removed { background: var(--card-2); border-style: dashed; color: var(--muted); box-shadow: none; display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.opt .rm { font-family: var(--bn); font-size: 13px; font-weight: 600; }
.fb-body { flex: 1; min-width: 0; display: grid; gap: 6px; }
.feedback .ft { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.why { background: var(--card); border-radius: 12px; padding: 8px 12px; font-size: 15.5px; line-height: 1.55; color: var(--ink); }
.why b, .why .en { font-family: var(--en); font-weight: 800; }
.fn { font-size: 14px; color: var(--muted); }
.lfoot.good .fn { color: var(--good); }
.xp-pill { display: inline-flex; align-items: center; gap: 2px; padding: 1px 9px; border-radius: 999px; background: var(--accent-soft); color: var(--amber-ink); font-family: var(--en); font-size: 14px; font-weight: 900; }
.xp-pill .ic { width: 14px; height: 14px; color: var(--gold); }
.xp-txt { font-family: var(--en); font-weight: 900; color: var(--amber-ink); }

.excard { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 8px; padding: 28px 18px 22px; margin-top: 4px; }
.excard .speak.xl { width: 76px; height: 76px; margin-bottom: 14px; }
.ex-en { font-weight: 900; font-size: 30px; line-height: 1.3; }
.ex-bn { font-size: 19px; color: var(--muted); }
.ex-acts { margin-top: 14px; }
.ex-acts .btn { font-size: 16px; }
.btn.soft.rec { background: var(--bad); border-color: var(--bad); color: #fff; }
.lbody > .res { margin-top: 12px; padding: 10px 14px; border-radius: 14px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.lbody > .res:empty { display: none; }
.lbody > .res.ok { background: var(--good-soft); color: var(--good); }
.lbody > .res.try { background: var(--accent-soft); color: var(--amber-ink); display: block; }
.dots { display: flex; justify-content: center; gap: 6px; margin-top: 18px; }
.dots span { width: 8px; height: 8px; border-radius: 999px; background: var(--line); }
.dots span.on { background: var(--primary); }
.dots span.now { width: 22px; background: var(--btn); }

/* ---------- end screens ---------- */
.trophy { justify-self: center; width: 92px; height: 92px; border-radius: 50%; display: grid; place-items: center; background: var(--accent-soft); color: var(--gold); box-shadow: 0 0 0 10px color-mix(in srgb, var(--accent-soft) 55%, transparent); animation: pop .5s ease both; }
.trophy .ic { width: 50px; height: 50px; }
.trophy.good { background: var(--good-soft); color: var(--good); box-shadow: 0 0 0 10px color-mix(in srgb, var(--good-soft) 55%, transparent); }
@keyframes pop { 0% { transform: scale(.3); opacity: 0; } 70% { transform: scale(1.1); opacity: 1; } 100% { transform: scale(1); } }
.xp-card { display: flex; align-items: center; gap: 14px; padding: 14px 16px; text-align: left; }
.xp-big { display: flex; flex-direction: column; align-items: center; padding: 8px 12px; border-radius: 16px; background: var(--accent-soft); color: var(--amber-ink); font-family: var(--en); }
.xp-big .n { font-weight: 900; font-size: 26px; line-height: 1.1; }
.xp-big .u { font-weight: 800; font-size: 13px; }
.xp-lines { flex: 1; display: grid; gap: 2px; font-size: 15px; }
.xp-lines div { display: flex; justify-content: space-between; gap: 8px; }
.lv-block { display: grid; gap: 10px; text-align: left; padding: 16px; }
.lv-block.up { background: var(--plan); color: #fff; border-color: transparent; }
.lv-block.up .lv-badge { background: #fff; color: #0B7C5D; }
.lv-block.up .lv-k, .lv-block.up .lv-foot { color: rgba(255,255,255,.9); }
.lv-block.up .bar { background: rgba(255,255,255,.25); }
.lv-block.up .bar i { background: #FBBF24; }
.info-row { display: flex; align-items: center; gap: 12px; padding: 12px 14px; text-align: left; font-size: 15px; }
.badge-new { display: flex; align-items: center; gap: 12px; padding: 12px 14px; text-align: left; background: var(--accent-soft); border-color: color-mix(in srgb, var(--gold) 40%, transparent); box-shadow: none; }
.badge-new .bk { font-size: 13px; font-weight: 600; color: var(--amber-ink); }
.badge-new .bn { font-weight: 700; }
.bdg { flex: none; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--card-2); color: var(--muted); }
.bdg .ic { width: 22px; height: 22px; }
.bdg.b1 { background: #0F9D76; color: #fff; } .bdg.b2 { background: #E8590C; color: #fff; }
.bdg.b3 { background: #D97706; color: #fff; } .bdg.b4 { background: #2563EB; color: #fff; }
.foot-btns { display: grid; gap: 10px; }
.foot-btns .btn.ghost { min-height: 50px; font-size: 16px; }

.score-card { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.ring { --p: 0; width: 136px; height: 136px; border-radius: 50%; display: grid; place-items: center; background: conic-gradient(var(--good) calc(var(--p) * 1%), var(--card-2) 0); }
.ring > div { width: 108px; height: 108px; border-radius: 50%; background: var(--card); display: flex; flex-direction: column; align-items: center; justify-content: center; }
.ring b { font-size: 30px; line-height: 1.1; }
.ring span { font-size: 14px; color: var(--muted); }
.sc-msg { font-size: 18px; font-weight: 700; }
.skills { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.skill { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 10px 6px; display: flex; flex-direction: column; font-size: 13px; color: var(--muted); }
.skill b { font-size: 18px; }
.skill b.full { color: var(--good); } .skill b.part { color: var(--amber-ink); }
.sub-title { font-size: 15px; font-weight: 700; color: var(--muted); text-align: left; margin-top: 4px; }
.miss-card { display: grid; gap: 6px; padding: 14px; text-align: left; }
.mc-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.mc-q { font-size: 17px; font-weight: 600; }
.mc-q.en { font-weight: 800; }
.mc-bad, .mc-good { display: flex; align-items: center; gap: 8px; font-size: 17px; font-weight: 700; }
.mc-bad { color: var(--bad); } .mc-bad span { text-decoration: line-through; }
.mc-good { color: var(--good); }
.mc-bad .ic, .mc-good .ic { width: 18px; height: 18px; stroke-width: 2.6; }
.small { font-size: 14px; margin: 0; }

/* ---------- progress ---------- */
.lv-big { display: grid; gap: 12px; }
.lv-big .lv-badge { width: 56px; height: 56px; font-size: 28px; border-radius: 16px; }
.lv-path { display: grid; grid-template-columns: repeat(6, 1fr); gap: 4px; text-align: center; font-size: 12px; color: var(--muted); }
.lv-path .lp { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.lv-path .lp span { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; background: var(--card-2); }
.lv-path .lp.past span { background: var(--primary-soft); color: var(--primary-dark); }
.lv-path .lp.now { color: var(--primary-dark); font-weight: 700; }
.lv-path .lp.now span { background: var(--btn); color: var(--btn-ink); }
.week { display: grid; gap: 10px; }
.wk-head { display: flex; align-items: baseline; justify-content: space-between; }
.wk-head h2 { font-size: 17px; }
.wk-total { font-family: var(--en); font-weight: 900; color: var(--amber-ink); }
.wk-bars { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; align-items: end; height: 100px; }
.wk-col { display: flex; flex-direction: column; justify-content: flex-end; align-items: center; height: 100%; }
.wk-bar { width: 100%; border-radius: 8px; background: color-mix(in srgb, var(--primary) 55%, var(--card)); }
.wk-bar.zero { background: var(--card-2); }
.wk-col.today .wk-bar { background: var(--btn); }
.wk-n { font-family: var(--en); font-size: 12px; font-weight: 900; color: var(--primary-dark); }
.wk-days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; text-align: center; font-size: 13px; color: var(--muted); }
.wk-days .today { color: var(--primary-dark); font-weight: 700; }
.stats.four { grid-template-columns: repeat(4, 1fr); gap: 8px; }
.stats.four .stat { padding: 10px 4px; }
.stats.four .n { font-family: var(--bn); font-weight: 700; font-size: 20px; }
.badges { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.badge { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 10px 4px; border-radius: 16px; background: var(--card); border: 1px solid var(--line); text-align: center; font-size: 12px; line-height: 1.3; }
.badge.locked { background: var(--card-2); border-style: dashed; color: var(--muted); }
.hard { display: grid; gap: 10px; }
.hard h2 { font-size: 16px; }
.hard-words { display: flex; flex-wrap: wrap; gap: 8px; }
.hw { padding: 4px 12px; border-radius: 12px; background: var(--v-soft); color: var(--v); font-weight: 800; font-size: 17px; }
.hard .btn { min-height: 50px; font-size: 16px; }

/* ---------- save progress ---------- */
.back-row { display: flex; align-items: center; gap: 6px; margin: -6px 0 14px -8px; }
.back-row h1 { font-size: 21px; }
.back-row .icon-btn { color: var(--ink); width: 44px; height: 44px; }
.sync-status { display: flex; align-items: center; gap: 14px; box-shadow: none; }
.sync-status > .ic { width: 52px; height: 52px; padding: 12px; border-radius: 16px; flex: none; }
.sync-status div { display: flex; flex-direction: column; }
.sync-status b { font-size: 18px; }
.sync-status small { font-size: 14px; }
.sync-status.saved { background: var(--good-soft); border-color: color-mix(in srgb, var(--good) 35%, transparent); color: var(--good); }
.sync-status.saved > .ic { background: var(--good); color: #fff; }
.sync-status.offline { background: var(--accent-soft); border-color: color-mix(in srgb, var(--gold) 40%, transparent); color: var(--amber-ink); }
.sync-status.offline > .ic { background: var(--gold); color: #fff; }
.sync-status.idle > .ic { background: var(--card-2); color: var(--muted); }
.code-card { display: grid; gap: 10px; }
.cc-head { display: flex; align-items: center; justify-content: space-between; }
.cc-head h2 { font-size: 16px; }
.warn { display: inline-flex; align-items: center; gap: 4px; padding: 2px 10px; border-radius: 999px; background: var(--bad-soft); color: var(--bad); font-size: 13px; font-weight: 700; }
.warn .ic { width: 14px; height: 14px; }
.code-box { display: flex; align-items: center; gap: 10px; padding: 8px 8px 8px 18px; border-radius: 14px; background: var(--card-2); border: 2px dashed var(--line); }
.code { flex: 1; font-weight: 900; font-size: 32px; letter-spacing: 6px; }
.code-box .icon-btn { background: var(--card); color: var(--primary-dark); width: 44px; height: 44px; }
.code-card p { margin: 0; font-size: 15px; color: var(--muted); }
.link-row { width: 100%; display: flex; align-items: center; gap: 12px; text-align: left; padding: 12px 14px; box-shadow: none; }
.link-row small { display: block; font-size: 13px; color: var(--muted); line-height: 1.4; }
.link-row .go { width: 20px; height: 20px; color: var(--muted); }
.restore { display: grid; gap: 10px; }
.restore h2 { font-size: 16px; }
.restore label { font-size: 14px; color: var(--muted); }
.code-in { height: 54px; padding: 0 14px; border-radius: 14px; border: 2px solid var(--line); background: var(--card); font-weight: 900; font-size: 24px; letter-spacing: 6px; width: 100%; }
.code-in:focus { outline: none; border-color: var(--primary); }
.parent .hello h1 { font-size: 24px; }

#toast { position: fixed; left: 50%; bottom: calc(92px + env(safe-area-inset-bottom)); transform: translateX(-50%) translateY(20px); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 12px; font-size: 15px; opacity: 0; pointer-events: none; transition: .25s; z-index: 30; width: max-content; max-width: calc(100% - 32px); text-align: center; }
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

:focus-visible { outline: 3px solid color-mix(in srgb, var(--primary) 60%, transparent); outline-offset: 2px; }
@media (max-width: 370px) {
  body { font-size: 16px; }
  .hello h1 { font-size: 26px; }
  .wtxt .w { font-size: 22px; }
  .wex { padding-left: 14px; }
  .pill-btn { padding: 0 10px; }
  .brand { font-size: 16px; gap: 8px; }
  .logo { width: 30px; height: 30px; font-size: 13px; }
  .chip-xp, .chip-streak, .chip-sync { padding: 0 9px; }
  .stat .n { font-size: 19px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }