/* Layout: an app-like learning space. Soft paper ground, rounded cards, flat illustrated scenes; a deep teal dashboard card carries the stats.
   Each CEFR level owns one hue (codes, rings, scene tints); green = check/continue, coral = daily challenge, gold = XP. Preply keeps its own pink. */
:root{
  --paper:#F5F6F8; --card:#FFFFFF; --sunk:#EEF0F4; --ink:#111A2C; --muted:#5C667A; --line:#E1E5EC;
  --btn:#111A2C; --btn-ink:#FFFFFF; --mark-bg:#111A2C; --mark-fg:#FFFFFF;
  --ok:#11845A; --ok-soft:#E3F4EC; --ko:#C8382F; --ko-soft:#FBE7E5; --warn:#B7791F;
  --a0:#E3A008; --a0-text:#9A6700; --gift-text:#C2266A; --a1:#1F9D63; --a2:#0E949A; --b1:#3563E9; --b2:#7650DB; --c1:#DB6F16; --c2:#D3346C;
  --preply:#FF7AAD; --preply-ink:#121117; --deep:#173B45; --deep-2:#22505C; --deep-ink:#F2F7F8; --go:#1E9E62; --go-ink:#FFFFFF; --coral:#F0705F; --gold:#F2B33D; --flame:#F2683C; --tint:#FBF7F2;
  --lv:var(--b1);
  --display:"Bricolage Grotesque","Avenir Next","Segoe UI",system-ui,sans-serif;
  --body:"Atkinson Hyperlegible","Segoe UI",system-ui,-apple-system,sans-serif;
  --mono:"DM Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --r:22px; --shadow:0 1px 2px rgba(17,26,44,.04),0 8px 24px rgba(17,26,44,.06);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#0D1220; --card:#151C2D; --sunk:#1C2539; --ink:#E8EDF7; --muted:#9AA5BC; --line:#263048;
  --btn:#E8EDF7; --btn-ink:#0D1220; --mark-bg:#E8EDF7; --mark-fg:#0D1220;
  --ok:#3CCB8B; --ok-soft:#12291F; --ko:#FF7368; --ko-soft:#33191B; --warn:#E9B455;
  --a0:#FFC53D; --a0-text:#FFC53D; --gift-text:#FF8FBC; --a1:#3CCB8B; --a2:#2EC4C9; --b1:#7096FF; --b2:#A688FF; --c1:#FF9A4D; --c2:#FF6E9D;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25); --deep:#123039; --deep-2:#1B4651; --deep-ink:#EAF4F6; --go:#33C27F; --go-ink:#06180F; --coral:#FF8576; --gold:#F5C25B; --flame:#FF7E52; --tint:#141B2B; color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#0D1220; --card:#151C2D; --sunk:#1C2539; --ink:#E8EDF7; --muted:#9AA5BC; --line:#263048;
  --btn:#E8EDF7; --btn-ink:#0D1220; --mark-bg:#E8EDF7; --mark-fg:#0D1220;
  --ok:#3CCB8B; --ok-soft:#12291F; --ko:#FF7368; --ko-soft:#33191B; --warn:#E9B455;
  --a0:#FFC53D; --a0-text:#FFC53D; --gift-text:#FF8FBC; --a1:#3CCB8B; --a2:#2EC4C9; --b1:#7096FF; --b2:#A688FF; --c1:#FF9A4D; --c2:#FF6E9D;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25); --deep:#123039; --deep-2:#1B4651; --deep-ink:#EAF4F6; --go:#33C27F; --go-ink:#06180F; --coral:#FF8576; --gold:#F5C25B; --flame:#FF7E52; --tint:#141B2B; color-scheme:dark}
.lv-A0{--lv:var(--a0);--lv-ink:#2B1D00}.lv-A1{--lv:var(--a1)}.lv-A2{--lv:var(--a2)}.lv-B1{--lv:var(--b1)}.lv-B2{--lv:var(--b2)}.lv-C1{--lv:var(--c1)}.lv-C2{--lv:var(--c2)}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-padding-top:88px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.55;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
body.locked{overflow:hidden}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:16;background:var(--card)}
img,svg,video{max-width:100%}
a{color:inherit}
h1,h2,h3{font-family:var(--display);font-weight:800;letter-spacing:-.025em;line-height:1.06;text-wrap:balance;margin:0}
p{margin:0}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--lv);outline-offset:2px;border-radius:6px}
.wrap{max-width:1080px;margin:0 auto}
.narrow{width:100%;max-width:740px;margin:0 auto}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* ---------- header + logo ---------- */
.site-head{position:sticky;top:env(safe-area-inset-top,0px);z-index:15;background:var(--card);
  margin-inline:calc(-1*max(16px,env(safe-area-inset-left,0px))) calc(-1*max(16px,env(safe-area-inset-right,0px)));
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));border-bottom:1px solid var(--line)}
.site-head::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:linear-gradient(90deg,var(--a0) 0 14.28%,var(--a1) 0 28.57%,var(--a2) 0 42.85%,var(--b1) 0 57.14%,var(--b2) 0 71.42%,var(--c1) 0 85.71%,var(--c2) 0)}
.head-in{display:flex;align-items:center;justify-content:space-between;gap:12px;height:64px}
.logo{display:flex;align-items:center;gap:11px;text-decoration:none;min-width:0}
.logo .mark{width:36px;height:36px;flex:none}
.wordmark{display:flex;flex-direction:column;line-height:1.05;min-width:0}
.wordmark b{font-family:var(--display);font-weight:800;font-size:19px;letter-spacing:-.02em;white-space:nowrap}
.wordmark em{font-style:normal;color:var(--muted)}
.wordmark small{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.logo.sm .mark{width:30px;height:30px}.logo.sm .wordmark b{font-size:16px}
.burger{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--card);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;flex:none}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.burger:hover{border-color:var(--ink)}

/* ---------- drawer ---------- */
.scrim{position:fixed;inset:0;z-index:40;background:rgba(10,14,24,.45);opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s}
.drawer{position:fixed;z-index:41;top:0;right:0;bottom:0;width:min(400px,100vw);background:var(--card);display:flex;flex-direction:column;
  transform:translateX(100%);visibility:hidden;transition:transform .3s cubic-bezier(.2,.8,.2,1),visibility .3s;box-shadow:-20px 0 60px rgba(10,14,24,.18);
  padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);padding-right:env(safe-area-inset-right,0px)}
body.menu-open .scrim{opacity:1;visibility:visible}
body.menu-open .drawer{transform:none;visibility:visible}
.d-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 20px;height:64px;border-bottom:1px solid var(--line);flex:none}
.d-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:transparent;display:flex;align-items:center;justify-content:center}
.d-body{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:14px}
.d-levels{display:flex;flex-direction:column;gap:4px}
.d-lv{display:flex;align-items:center;gap:12px;padding:8px;border-radius:12px;text-decoration:none;transition:background .15s}
.d-lv:hover{background:var(--sunk)}
.d-lv[aria-current]{background:var(--sunk);box-shadow:inset 3px 0 0 var(--lv)}
.d-code{flex:none;width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:800;font-size:16px;color:var(--lv);background:color-mix(in srgb,var(--lv) 12%,transparent)}
.d-txt{display:flex;flex-direction:column;line-height:1.25}
.d-txt b{font-size:16px}
.d-txt small{font-family:var(--mono);font-size:12px;color:var(--muted)}
.d-links{display:flex;flex-direction:column;border-top:1px solid var(--line);padding-top:10px}
.d-links a{padding:9px 8px;text-decoration:none;font-weight:700;border-radius:10px}
.d-links a:hover{background:var(--sunk)}
.d-preply{margin-top:auto;display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:center;background:var(--sunk);border-radius:var(--r);padding:16px}
.d-preply b{display:block;font-size:15px}
.d-preply small{color:var(--muted);font-size:13px}
.d-preply .btn{grid-column:1/-1}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;border:0;border-radius:12px;padding:12px 18px;font-weight:700;font-size:16px;line-height:1.2;
  background:var(--btn);color:var(--btn-ink);text-decoration:none;transition:transform .1s,opacity .15s,background .15s}
.btn:hover{opacity:.9}.btn:active{transform:scale(.98)}
.btn.soft{background:var(--sunk);color:var(--ink)}
.btn.lv{background:var(--lv);color:var(--lv-ink,#fff)}
.btn.sm{padding:8px 12px;font-size:14px;border-radius:10px}
.btn.block{width:100%}
.btn.preply{background:var(--preply);color:var(--preply-ink);font-weight:700}
.btn.preply b{font-weight:800}
.btn.preply:hover{opacity:1;background:#FF95BE}
.btn:disabled{opacity:.45;cursor:default}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.share .btn,.row .btn{white-space:normal}

/* ---------- avatar ---------- */
.avatar{width:72px;height:72px;border-radius:50%;object-fit:cover;flex:none;display:block}
.avatar.sm{width:48px;height:48px}
.mono-avatar{display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:800;font-size:24px;color:#fff;
  background:linear-gradient(135deg,var(--b1),var(--b2) 55%,var(--c2))}
.avatar.sm.mono-avatar{font-size:17px}

/* ---------- teacher ---------- */
.teacher{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:40px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow)}
@media (max-width:820px){.teacher{grid-template-columns:1fr;padding:18px;gap:22px}}
.t-media{min-width:0}
.t-video{position:relative;display:block;width:100%;aspect-ratio:4/5;border-radius:18px;overflow:hidden;border:0;padding:0;background:var(--sunk)}
@media (max-width:820px){.t-video{aspect-ratio:4/3}}
video.t-video{aspect-ratio:16/9;background:#000}
.t-video img{width:100%;height:100%;object-fit:cover;display:block}
.t-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.t-video.playing{aspect-ratio:16/9}
.t-monogram{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:800;font-size:clamp(64px,12vw,120px);color:#fff;
  background:linear-gradient(150deg,var(--b1),var(--b2) 50%,var(--c2))}
.t-play{position:absolute;left:50%;top:50%;width:76px;height:76px;margin:-38px 0 0 -38px;border-radius:50%;background:rgba(255,255,255,.95);color:#111A2C;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px rgba(0,0,0,.25);transition:transform .2s}
.t-play svg{width:28px;height:28px;margin-left:4px}
.t-video:hover .t-play{transform:scale(1.06)}
.t-cap{position:absolute;left:14px;bottom:14px;background:rgba(17,26,44,.78);color:#fff;font-size:14px;font-weight:700;padding:6px 10px;border-radius:8px}
.t-body{display:flex;flex-direction:column;gap:16px}
.t-body h2{font-size:clamp(34px,5vw,52px)}
.t-lead{font-size:18px;color:var(--muted);max-width:52ch}
.t-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:4px 0}
.t-stats div{border-left:2px solid var(--preply);padding-left:12px}
.t-stats dt{font-family:var(--display);font-weight:800;font-size:28px;line-height:1}
.t-stats dd{margin:4px 0 0;font-size:13px;color:var(--muted);line-height:1.3}
@media (max-width:480px){.t-stats dt{font-size:24px}}

/* ---------- CTA ---------- */
.cta{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:20px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;box-shadow:var(--shadow)}
.cta-txt{display:flex;flex-direction:column;gap:4px}
.cta h2{font-size:clamp(22px,3.2vw,28px)}
.cta p{color:var(--muted)}
@media (max-width:680px){.cta{grid-template-columns:auto minmax(0,1fr)}.cta .btn{grid-column:1/-1}}

/* ---------- level page ---------- */
.crumbs{font-family:var(--mono);font-size:13px;color:var(--muted);display:flex;gap:6px;flex-wrap:wrap}
.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}
.lvhero{display:flex;flex-direction:column;gap:12px}
.lvhero .code{font-family:var(--display);font-weight:800;font-size:clamp(56px,10vw,96px);line-height:.9;color:var(--lv)}
.lvhero h1{font-size:clamp(32px,5vw,48px)}
.lvhero p{color:var(--muted);font-size:18px;max-width:60ch}
.cando{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px}
.cando ul{margin:8px 0 0;padding-left:20px;display:flex;flex-direction:column;gap:4px}
.pager{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}

details.box{background:var(--card);border:1px solid var(--line);border-radius:14px}
details.box summary{cursor:pointer;padding:14px 16px;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:8px}
details.box summary::-webkit-details-marker{display:none}
details.box summary::after{content:"+";font-family:var(--mono);color:var(--muted)}
details.box[open] summary::after{content:"−"}
details.box .in{padding:0 16px 16px;display:flex;flex-direction:column;gap:10px}
.line b{font-family:var(--mono);font-size:13px;font-weight:500;color:var(--lv);margin-right:6px}
.words{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:8px}
.words div{background:var(--sunk);border-radius:10px;padding:8px 10px;font-size:15px}
.words b{display:block}
.words span{color:var(--muted)}
.share{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.share span{font-size:14px;color:var(--muted);margin-right:4px}

/* ---------- footer ---------- */
.site-foot{border-top:1px solid var(--line);padding-block:40px;color:var(--muted);font-size:14px;display:flex;flex-direction:column;gap:28px}
.foot-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,.8fr);gap:28px;width:100%}
@media (max-width:820px){.foot-grid{grid-template-columns:1fr 1fr}.foot-cta{grid-column:1/-1}}
.foot-cta{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;align-items:center}
.foot-cta h2{font-size:21px;color:var(--ink);margin-top:4px}
.foot-cta p{font-size:15px;margin-top:4px}
.foot-cta .btn{grid-column:1/-1;justify-self:start}
.foot-col{display:flex;flex-direction:column;gap:10px}
.foot-lv,.foot-links{display:flex;flex-direction:column;gap:7px;align-items:flex-start}
.foot-lv a{text-decoration:none;color:var(--ink);display:flex;align-items:center;gap:8px}
.foot-lv a i{width:8px;height:8px;border-radius:50%;background:var(--lv)}
.foot-lv a:hover{text-decoration:underline}
.foot-links a,.linkish{color:var(--muted);text-decoration:underline;text-underline-offset:3px;background:none;border:0;padding:0;font-size:14px}
.foot-bottom{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:20px}


/* ---------- consent banner + preferences ---------- */
.consent{position:fixed;z-index:30;left:max(12px,env(safe-area-inset-left,0px));right:max(12px,env(safe-area-inset-right,0px));bottom:max(12px,env(safe-area-inset-bottom,0px));max-width:620px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px 18px 16px;box-shadow:0 16px 48px rgba(10,14,24,.22);display:flex;flex-direction:column;gap:10px;font-size:15px}
.consent[hidden]{display:none}
.consent-title{font-family:var(--display);font-size:19px;letter-spacing:-.01em;padding-right:36px}
.consent p{color:var(--muted)}
.consent p a{color:var(--ink)}
.consent-x{position:absolute;top:10px;right:10px;width:36px;height:36px;border-radius:10px;border:0;background:transparent;display:flex;align-items:center;justify-content:center;color:var(--muted)}
.consent-x:hover{background:var(--sunk);color:var(--ink)}
.consent-actions,.cp-foot{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.consent-actions .btn,.cp-foot .btn{white-space:normal;border:1px solid var(--line)}
@media (max-width:420px){.consent-actions,.cp-foot{grid-template-columns:1fr}}
.cp-scrim{position:fixed;inset:0;z-index:45;background:rgba(10,14,24,.5);display:flex;align-items:center;justify-content:center;padding:16px}
.cp-scrim[hidden]{display:none}
.cp{background:var(--card);border-radius:20px;width:min(600px,100%);max-height:calc(100vh - 32px);display:flex;flex-direction:column;box-shadow:0 24px 80px rgba(0,0,0,.35)}
.cp-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line)}
.cp-head b{font-family:var(--display);font-size:20px}
.cp-body{padding:16px 18px;overflow-y:auto;display:flex;flex-direction:column;gap:10px;font-size:15px}
.cp-body>p{color:var(--muted)}
.cp-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px;border:1px solid var(--line);border-radius:14px;cursor:pointer}
.cp-row.fixed{cursor:default;background:var(--sunk)}
.cp-txt{display:flex;flex-direction:column;gap:2px;min-width:0}
.cp-txt small{color:var(--muted);font-size:13px;line-height:1.4}
.cp-foot{padding:14px 18px;border-top:1px solid var(--line)}
.switch{position:relative;flex:none;width:46px;height:28px}
.switch input{position:absolute;inset:0;opacity:0;margin:0;cursor:pointer}
.switch i{position:absolute;inset:0;border-radius:99px;background:var(--line);transition:background .2s;pointer-events:none}
.switch i::after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.25);transition:transform .2s}
.switch input:checked+i{background:var(--ok)}
.switch input:checked+i::after{transform:translateX(18px)}
.switch input:focus-visible+i{outline:3px solid var(--b1);outline-offset:2px}
.switch.on i{background:var(--muted);opacity:.6}

/* ---------- legal pages ---------- */
.legal h2{margin-top:18px}
.legal h3{font-size:19px}
.legal ul{padding-left:20px;display:flex;flex-direction:column;gap:8px}
.legal a{color:var(--b1)}
.tscroll{overflow-x:auto}
.ltable{width:100%;border-collapse:collapse;font-size:14px;min-width:460px}
.ltable th,.ltable td{text-align:left;vertical-align:top;padding:9px 10px;border-bottom:1px solid var(--line)}
.ltable th{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:500}
.ltable code{font-family:var(--mono);font-size:13px}
.legal>.ltable{display:block;overflow-x:auto}
.lblock{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;display:flex;flex-direction:column;gap:8px}
.lhead{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.badge{font-family:var(--mono);font-size:12px;padding:3px 8px;border-radius:6px;background:var(--sunk);color:var(--muted)}
.badge.on{background:var(--ok-soft);color:var(--ok)}
.lstatus{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;background:var(--sunk);border-radius:var(--r);padding:14px 16px}
.lstatus p{font-size:14px;color:var(--muted)}
mark.todo{background:#FFF1B8;color:#5A4500;padding:0 4px;border-radius:4px}
.t-note{margin-top:8px}

/* ---------- prose / tools ---------- */
.prose{display:flex;flex-direction:column;gap:14px}
.prose h1{font-size:clamp(32px,5vw,44px)}
.prose h2{font-size:22px;margin-top:10px}
.prose p,.prose li{max-width:68ch}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-weight:700;font-size:15px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media (max-width:560px){.grid2{grid-template-columns:1fr}}
.out{font-family:var(--mono);font-size:14px;background:var(--sunk);border-radius:10px;padding:12px;word-break:break-all}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.legal>*,.lblock>*{min-width:0;max-width:100%}
.lblock{min-width:0;max-width:100%}
.tscroll{max-width:100%;-webkit-overflow-scrolling:touch}
main>*{min-width:0;max-width:100%}
.legal{overflow-wrap:break-word}

/* =====================================================================  APP SHELL  */
main{display:flex;flex-direction:column;gap:40px;padding-block:24px 56px}
.has-tabs main{padding-bottom:calc(110px + env(safe-area-inset-bottom,0px))}
.ico{width:20px;height:20px;flex:none}
.head-nav{display:flex;gap:4px;margin-left:auto}
.head-nav a{display:flex;align-items:center;gap:7px;padding:9px 12px;border-radius:12px;text-decoration:none;font-weight:700;font-size:15px;color:var(--muted)}
.head-nav a:hover{background:var(--sunk);color:var(--ink)}
.head-nav a[aria-current]{background:var(--sunk);color:var(--ink)}
.head-stats{display:flex;gap:6px}
.pill{display:inline-flex;align-items:center;gap:5px;padding:6px 10px;border-radius:999px;background:var(--sunk);font-weight:700;font-size:14px;font-variant-numeric:tabular-nums;white-space:nowrap}
.pill .ico{width:17px;height:17px}
.pill.flame .ico{color:var(--flame)}.pill.star .ico{color:var(--gold)}.pill.trophy .ico{color:var(--gold)}
@media (max-width:900px){.head-nav{display:none}.head-stats{margin-left:auto}}
@media (max-width:380px){.head-stats .pill.star{display:none}}
.tabbar{position:fixed;z-index:20;left:0;right:0;bottom:0;display:none;background:var(--card);border-top:1px solid var(--line);
  padding:6px max(10px,env(safe-area-inset-right,0px)) calc(6px + env(safe-area-inset-bottom,0px)) max(10px,env(safe-area-inset-left,0px));box-shadow:0 -8px 24px rgba(17,26,44,.06)}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 4px;border-radius:12px;text-decoration:none;font-size:12px;font-weight:700;color:var(--muted)}
.tabbar a .ico{width:24px;height:24px}
.tabbar a[aria-current]{color:var(--coral)}
@media (max-width:900px){.tabbar{display:flex}}
.has-tabs .consent{bottom:calc(84px + env(safe-area-inset-bottom,0px))}
@media (min-width:901px){.has-tabs main{padding-bottom:56px}.has-tabs .consent{bottom:max(12px,env(safe-area-inset-bottom,0px))}}

.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.sec-head h2{font-size:clamp(24px,3.4vw,32px)}
.sec-head a,.sec-head p{color:var(--muted);font-size:15px}
.sec-head h2 .my{color:var(--coral)}

/* ---------- dashboard card ---------- */
.dash{position:relative;overflow:hidden;background:var(--deep);color:var(--deep-ink);border-radius:28px 28px 28px 28px;padding:24px;display:flex;flex-direction:column;gap:18px}
.dash::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.08),transparent 70%)}
.dash .eyebrow{color:rgba(255,255,255,.65)}
.dash h1{font-size:clamp(32px,5.4vw,56px);color:#fff}
.dash h1 em{font-style:normal;color:#9BE3D5}
.dash p.lead{color:rgba(255,255,255,.78);font-size:18px;max-width:46ch}
.dash-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.dstat{border:1px solid rgba(255,255,255,.16);border-radius:16px;padding:10px 12px;display:flex;align-items:center;gap:8px;min-width:0}
.dstat .ico{width:22px;height:22px}
.dstat.trophy .ico{color:var(--gold)}.dstat.flame .ico{color:var(--flame)}.dstat.star .ico{color:var(--gold)}
.dstat b{font-family:var(--display);font-size:22px;line-height:1;color:#fff;font-variant-numeric:tabular-nums}
.dstat small{font-size:12px;color:rgba(255,255,255,.65);line-height:1.2;display:block}
.dstat span{min-width:0}
.goal{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 14px;align-items:center}
.goal-bar{grid-column:1/-1;height:12px;border-radius:99px;background:rgba(255,255,255,.12);overflow:hidden}
.goal-bar i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,#57D3A1,#9BE3D5);transition:width .8s cubic-bezier(.2,.8,.2,1)}
.goal b{font-size:16px}.goal span{font-size:14px;color:rgba(255,255,255,.7);font-variant-numeric:tabular-nums}
.dash-actions{display:flex;gap:10px;flex-wrap:wrap}
.btn.coral{background:var(--coral);color:#fff}
.btn.ghost{background:rgba(255,255,255,.1);color:#fff}
.btn.go{background:var(--go);color:var(--go-ink)}
.pick{display:flex;flex-direction:column;gap:10px}
.pick-row{display:flex;gap:8px;flex-wrap:wrap}
.pick-row button{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);color:#fff;border-radius:14px;padding:10px 14px;font-weight:700;display:flex;flex-direction:column;align-items:flex-start;line-height:1.15;min-width:92px;transition:background .15s,border-color .15s}
.pick-row button small{font-weight:400;font-size:12px;opacity:.75}
.pick-row button:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.4)}
.dash-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:24px;align-items:center}
.dash-art{border-radius:20px;overflow:hidden;aspect-ratio:3/2;background:rgba(255,255,255,.06)}
.dash-art img{width:100%;height:100%;object-fit:cover;display:block}
@media (max-width:820px){.dash-grid{grid-template-columns:1fr}.dash-art{display:none}}
@media (max-width:480px){.dash{padding:18px;border-radius:24px}.dstat{padding:8px;gap:6px}.dstat b{font-size:19px}.dstat small{font-size:11px}}

/* ---------- continue + challenge cards ---------- */
.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
@media (max-width:760px){.two{grid-template-columns:1fr}}
.wide-card{display:grid;grid-template-columns:120px minmax(0,1fr) auto;gap:16px;align-items:center;background:var(--card);border-radius:var(--r);padding:14px;text-decoration:none;box-shadow:var(--shadow);transition:transform .15s}
.wide-card:hover{transform:translateY(-2px)}
.wide-card .thumb{width:120px;aspect-ratio:3/2;border-radius:14px;overflow:hidden;background:var(--sunk)}
.wide-card .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.wide-card .txt{display:flex;flex-direction:column;gap:4px;min-width:0}
.wide-card .txt small{font-size:13px;color:var(--muted)}
.wide-card .txt b{font-size:18px;line-height:1.2}
.wide-card .go-arrow{width:40px;height:40px;border-radius:50%;background:var(--sunk);display:flex;align-items:center;justify-content:center}
.wide-card.challenge{background:color-mix(in srgb,var(--coral) 12%,var(--card))}
.wide-card.challenge .tag{color:var(--coral);font-weight:700}
.pbar{display:block;height:8px;border-radius:99px;background:var(--sunk);overflow:hidden}
.pbar i{display:block;height:100%;width:0;background:var(--lv);border-radius:99px;transition:width .6s}
@media (max-width:420px){.wide-card{grid-template-columns:88px minmax(0,1fr)}.wide-card .thumb{width:88px}.wide-card .go-arrow{display:none}}

/* ---------- story cards ---------- */
.rail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(220px,250px);gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 14px;margin-inline:-2px;scrollbar-width:thin}
.rail>*{scroll-snap-align:start}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.scard{position:relative;display:flex;flex-direction:column;gap:6px;background:color-mix(in srgb,var(--lv) 9%,var(--card));border-radius:var(--r);padding:10px 10px 16px;text-decoration:none;transition:transform .18s,box-shadow .18s}
.scard:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.scard-img{display:block;aspect-ratio:3/2;border-radius:16px;overflow:hidden;background:var(--sunk);margin-bottom:6px}
.scard-img img{width:100%;height:100%;object-fit:cover;display:block}
.scard-top{position:absolute;top:18px;left:18px;right:18px;display:flex;justify-content:space-between;gap:6px}
.chip{font-family:var(--mono);font-size:12px;padding:3px 8px;border-radius:8px;background:var(--card);color:var(--ink);white-space:nowrap;box-shadow:0 1px 3px rgba(0,0,0,.08)}
.chip.lvchip{background:var(--lv);color:var(--lv-ink,#fff)}
.chip.done{background:var(--go);color:var(--go-ink)}
.chip[hidden]{display:none}
.scard b{font-family:var(--display);font-size:19px;letter-spacing:-.01em;line-height:1.15;padding:0 6px}
.scard small{color:var(--muted);font-size:13px;padding:0 6px}
.chips{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.filters button{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:8px 14px;font-weight:700;font-size:14px}
.filters button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--paper)}

/* ---------- level tiles with ring ---------- */
.ltiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.ltiles>.lv-A0{grid-column:span 2}
@media (max-width:860px){.ltiles{grid-template-columns:repeat(2,minmax(0,1fr))}}
.ltile{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 12px;align-items:center;background:var(--card);border-radius:var(--r);padding:18px;text-decoration:none;box-shadow:var(--shadow);transition:transform .15s}
.ltile:hover{transform:translateY(-2px)}
.ltile .code{font-family:var(--display);font-weight:800;font-size:30px;line-height:1;color:var(--lv)}
.ltile b{display:block;font-size:16px}
.ltile small{font-size:13px;color:var(--muted)}
.ring{--p:0;width:58px;height:58px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:conic-gradient(var(--lv) calc(var(--p)*1%),color-mix(in srgb,var(--lv) 14%,transparent) 0);transition:--p .8s}
.ring::before{content:"";grid-area:1/1;width:44px;height:44px;border-radius:50%;background:var(--card)}
.ring span{grid-area:1/1;position:relative;font-family:var(--mono);font-size:12px;font-variant-numeric:tabular-nums}
.ring.big{width:120px;height:120px}.ring.big::before{width:96px;height:96px}.ring.big span{font-size:22px;font-family:var(--display);font-weight:800}

/* ---------- plan list ---------- */
.plan{display:flex;flex-direction:column;gap:10px}
.plan a{display:grid;grid-template-columns:48px minmax(0,1fr) auto;gap:14px;align-items:center;background:var(--card);border-radius:18px;padding:12px 14px;text-decoration:none;box-shadow:var(--shadow)}
.plan .pi{width:48px;height:48px;border-radius:14px;display:grid;place-items:center}
.plan .pi .ico{width:24px;height:24px}
.plan b{display:block}.plan small{color:var(--muted);font-size:14px}
.plan .chev{color:var(--muted)}
.plan .done-mark{color:var(--go)}

/* ---------- lesson ---------- */
.lesson-page main{gap:0;padding-top:0}
.ltop{position:sticky;top:env(safe-area-inset-top,0px);z-index:15;display:flex;align-items:center;gap:14px;height:64px;background:var(--paper);
  margin-inline:calc(-1*max(16px,env(safe-area-inset-left,0px))) calc(-1*max(16px,env(safe-area-inset-right,0px)));padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.lx{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:var(--muted);text-decoration:none;flex:none}
.lx:hover{background:var(--sunk);color:var(--ink)}
.lprog{flex:1;display:flex;gap:4px;min-width:0}
.lprog i{flex:1;height:8px;border-radius:99px;background:color-mix(in srgb,var(--lv) 16%,var(--sunk));transition:background .3s}
.lprog i.done{background:var(--lv)}
.lprog i.cur{background:color-mix(in srgb,var(--lv) 55%,var(--sunk))}
.lxp{display:flex;align-items:center;gap:5px;font-weight:800;font-variant-numeric:tabular-nums}
.lxp .ico{color:var(--gold)}
.lwrap{width:100%;max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:18px;padding-bottom:140px}
.step[hidden]{display:none!important}
.step{display:flex;flex-direction:column;gap:18px;animation:stepIn .35s cubic-bezier(.2,.8,.2,1)}
@keyframes stepIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.stage{position:relative;border-radius:26px;overflow:hidden;background:color-mix(in srgb,var(--lv) 12%,var(--card));aspect-ratio:3/2;max-height:58vh}
.stage svg{width:100%;height:100%;display:block}
.stage .bubble{transition:opacity .3s}
.stage:not(.playing) .bubble{opacity:0}
.stage.playing .bubble{animation:bob 1.6s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(-3px)}}
.caption{position:absolute;left:14px;right:14px;bottom:14px;background:color-mix(in srgb,var(--card) 92%,transparent);backdrop-filter:blur(8px);border-radius:18px;padding:12px 16px;box-shadow:0 8px 24px rgba(0,0,0,.12);font-size:18px;font-weight:700;line-height:1.35}
.caption small{display:block;font-family:var(--mono);font-size:12px;font-weight:500;color:var(--lv);margin-bottom:2px}
.caption[hidden]{display:none}
.lhead h1{font-size:clamp(28px,4.6vw,40px)}
.lhead p{color:var(--muted);font-size:17px;margin-top:6px}
.lchips{display:flex;gap:6px;flex-wrap:wrap}
.lchips span{font-family:var(--mono);font-size:12px;padding:4px 9px;border-radius:8px;background:var(--sunk);color:var(--muted)}
.lchips span.lvl{background:var(--lv);color:var(--lv-ink,#fff)}
.tip{background:color-mix(in srgb,var(--lv) 8%,var(--card));border-radius:18px;padding:14px 16px;display:flex;gap:12px;font-size:16px}
.tip .ico{color:var(--lv);margin-top:2px}
.tip b{display:block;font-size:12px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.1em;color:var(--lv);margin-bottom:2px}
.player{background:var(--card);border-radius:22px;padding:14px;display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;align-items:center;box-shadow:var(--shadow)}
.play{width:62px;height:62px;border-radius:50%;border:0;background:var(--lv);color:var(--lv-ink,#fff);display:grid;place-items:center;transition:transform .15s;box-shadow:0 8px 20px color-mix(in srgb,var(--lv) 35%,transparent)}
.play:hover{transform:scale(1.05)}
.play svg{width:24px;height:24px}
.pmain{display:flex;flex-direction:column;gap:8px;min-width:0}
.wave{display:flex;align-items:center;gap:2px;height:40px;cursor:pointer;touch-action:none}
.wave i{flex:1;min-width:1px;background:color-mix(in srgb,var(--muted) 28%,transparent);border-radius:2px}
.wave i.on{background:var(--lv)}
.pctl{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-family:var(--mono);font-size:12px;color:var(--muted)}
.pctl .time{margin-right:auto;font-variant-numeric:tabular-nums}
.pctl button{border:1px solid var(--line);background:transparent;border-radius:8px;padding:5px 8px;font-family:var(--mono);font-size:12px;color:var(--ink)}
.pctl button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.ai-note{font-size:13px;color:var(--muted)}
.mini{position:sticky;top:calc(env(safe-area-inset-top,0px) + 64px);z-index:6;display:flex;align-items:center;gap:10px;background:var(--card);border-radius:16px;padding:8px 10px;box-shadow:var(--shadow)}
.mini[hidden]{display:none}
.mini .play{width:40px;height:40px;box-shadow:none}.mini .play svg{width:16px;height:16px}
.mini .mbar{flex:1;height:6px;border-radius:99px;background:var(--sunk);overflow:hidden;cursor:pointer}
.mini .mbar i{display:block;height:100%;width:0;background:var(--lv)}
.mini button.mb{border:1px solid var(--line);background:transparent;border-radius:8px;padding:5px 8px;font-family:var(--mono);font-size:12px;color:var(--ink)}
.qtype{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--lv)}
.qtext{font-family:var(--display);font-weight:800;font-size:clamp(24px,4vw,32px);letter-spacing:-.02em;line-height:1.15}
.qtext .blank{display:inline-block;min-width:4.5em;border-bottom:3px solid var(--lv);margin:0 4px}
.answers{display:flex;flex-direction:column;gap:10px}
.ans{display:flex;align-items:center;gap:14px;width:100%;text-align:left;background:var(--card);border:2px solid var(--line);border-radius:18px;padding:14px 16px;font-size:17px;transition:border-color .15s,background .15s,transform .1s}
.ans:hover:not(:disabled){border-color:color-mix(in srgb,var(--lv) 60%,var(--line))}
.ans:active:not(:disabled){transform:scale(.99)}
.ans .k{flex:none;width:32px;height:32px;border-radius:10px;display:grid;place-items:center;font-family:var(--mono);font-size:13px;background:var(--sunk);color:var(--muted)}
.ans .ok-ico{margin-left:auto;color:var(--go);display:none}
.ans[aria-pressed="true"]{border-color:var(--lv);background:color-mix(in srgb,var(--lv) 8%,var(--card))}
.ans[aria-pressed="true"] .k{background:var(--lv);color:var(--lv-ink,#fff)}
.ans.right{border-color:var(--go);background:color-mix(in srgb,var(--go) 12%,var(--card))}
.ans.right .k{background:var(--go);color:#fff}.ans.right .ok-ico{display:block}
.ans.wrong{border-color:var(--ko);background:var(--ko-soft)}
.ans.wrong .k{background:var(--ko);color:#fff}
.ans:disabled{cursor:default}
.tfrow{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.tfrow .ans{justify-content:center;font-weight:800;font-size:19px;padding:20px}
.write{display:flex;flex-direction:column;gap:10px}
.inp{font:inherit;font-size:18px;padding:14px 16px;border-radius:16px;border:2px solid var(--line);background:var(--card);color:var(--ink);min-width:0;width:100%}
.inp:focus{outline:none;border-color:var(--lv)}
.inp.right{border-color:var(--go);background:color-mix(in srgb,var(--go) 10%,var(--card))}
.inp.wrong{border-color:var(--ko)}
.hint{font-size:15px;font-weight:700;color:var(--ko);min-height:1.2em}
.say{align-self:flex-start;display:inline-flex;align-items:center;gap:10px;border:0;border-radius:16px;background:var(--lv);color:var(--lv-ink,#fff);padding:14px 18px;font-weight:800;font-size:17px}
.shake{animation:shake .35s}
@keyframes shake{20%,60%{transform:translateX(-5px)}40%,80%{transform:translateX(5px)}}

.lbar{position:fixed;z-index:18;left:0;right:0;bottom:0;background:var(--card);border-top:1px solid var(--line);
  padding:14px max(16px,env(safe-area-inset-right,0px)) calc(14px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));transition:background .25s}
.lbar-in{max-width:720px;margin:0 auto;display:flex;align-items:center;gap:14px}
.lbar .fb{flex:1;display:flex;align-items:center;gap:12px;min-width:0}
.lbar .fb[hidden]{display:none}
.lbar .fb .fi{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;flex:none;background:#fff}
.lbar .fb b{display:block;font-family:var(--display);font-size:20px}
.lbar .fb span{font-size:15px}
.lbar .act{margin-left:auto;min-width:180px;padding:15px 22px;font-size:17px;border-radius:16px}
.lbar.ok{background:color-mix(in srgb,var(--go) 16%,var(--card));border-top-color:transparent}
.lbar.ok .fb{color:var(--ok)}.lbar.ok .fi{color:var(--go)}
.lbar.ko{background:var(--ko-soft);border-top-color:transparent}
.lbar.ko .fb{color:var(--ko)}.lbar.ko .fi{color:var(--ko)}
.lbar.ko .act{background:var(--ko);color:#fff}
@media (max-width:520px){.lbar .act{min-width:0;flex:none}.lbar-in{flex-wrap:wrap}.lbar .fb{flex-basis:100%}.lbar .act{width:100%}}

/* ---------- result ---------- */
.res-hero{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;padding:10px 0}
.res-hero h2{font-size:clamp(30px,5vw,44px)}
.res-hero p{color:var(--muted);max-width:44ch}
.res-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.rstat{background:var(--card);border-radius:18px;padding:14px;text-align:center;box-shadow:var(--shadow)}
.rstat .ico{width:24px;height:24px;margin:0 auto 4px;display:block}
.rstat.star .ico{color:var(--gold)}.rstat.flame .ico{color:var(--flame)}.rstat.clock .ico{color:var(--lv)}
.rstat b{display:block;font-family:var(--display);font-size:26px;font-variant-numeric:tabular-nums}
.rstat small{font-size:13px;color:var(--muted)}
.newbadge{display:flex;align-items:center;gap:12px;background:color-mix(in srgb,var(--gold) 16%,var(--card));border-radius:18px;padding:12px 14px}
.newbadge[hidden]{display:none}
.res-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
@media (max-width:520px){.res-actions{grid-template-columns:1fr}}
.res-teacher{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:12px;align-items:center;background:var(--card);border-radius:18px;padding:14px;box-shadow:var(--shadow)}
.res-teacher p{font-size:15px}
@media (max-width:560px){.res-teacher{grid-template-columns:auto minmax(0,1fr)}.res-teacher .btn{grid-column:1/-1}}

/* ---------- story (synced chat) ---------- */
.story{background:color-mix(in srgb,var(--lv) 8%,var(--card));border-radius:26px;padding:16px;display:flex;flex-direction:column;gap:12px}
.story-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.story-head b{font-family:var(--display);font-size:20px}
.lines{display:flex;flex-direction:column;gap:10px}
.ln{display:flex;gap:10px;align-items:flex-end;max-width:92%;cursor:pointer}
.ln.r{flex-direction:row-reverse;align-self:flex-end}
.ln .av{flex:none;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:14px;color:var(--lv-ink,#fff);background:var(--lv)}
.ln.r .av{background:var(--coral)}
.ln .bb{background:var(--card);border-radius:18px 18px 18px 6px;padding:10px 14px;box-shadow:0 1px 3px rgba(0,0,0,.06);transition:background .2s,transform .2s,opacity .2s}
.ln.r .bb{border-radius:18px 18px 6px 18px}
.ln .bb small{display:block;font-family:var(--mono);font-size:11px;color:var(--muted);margin-bottom:2px}
.ln.now .bb{background:var(--ink);color:var(--paper);transform:scale(1.02)}
.ln.now .bb small{color:color-mix(in srgb,var(--paper) 70%,transparent)}
.story.live .ln:not(.now):not(.past) .bb{opacity:.45}
.words{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:8px}
.words div{background:var(--card);border-radius:14px;padding:10px 12px;font-size:15px}
.words b{display:block}
.words span{color:var(--muted)}
.share{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.share span{font-size:14px;color:var(--muted);margin-right:4px}

/* ---------- progress page ---------- */
.overview{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;background:color-mix(in srgb,var(--go) 12%,var(--card));border-radius:var(--r);padding:18px}
.overview div{display:flex;flex-direction:column;gap:2px}
.overview small{font-size:13px;color:var(--muted)}
.overview b{font-family:var(--display);font-size:clamp(28px,5vw,40px);line-height:1;font-variant-numeric:tabular-nums}
.chart{background:var(--card);border-radius:var(--r);padding:18px;box-shadow:var(--shadow)}
.chart svg{width:100%;height:auto;display:block}
.badges{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px}
.bdg{background:var(--card);border-radius:18px;padding:16px 10px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px;box-shadow:var(--shadow)}
.bdg .medal{width:62px;height:62px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--bc) 0 100%);position:relative}
.bdg .medal::before{content:"";position:absolute;inset:5px;border-radius:50%;background:var(--card)}
.bdg .medal .ico{position:relative;width:28px;height:28px;color:var(--bc)}
.bdg b{font-size:14px;line-height:1.2}
.bdg small{font-size:12px;color:var(--muted);line-height:1.25}
.bdg.locked{opacity:.5}.bdg.locked .medal{background:var(--line)}.bdg.locked .medal .ico{color:var(--muted)}
.settings{background:var(--card);border-radius:var(--r);padding:18px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;box-shadow:var(--shadow)}
@media (max-width:760px){.settings{grid-template-columns:1fr}}
.settings .inp{font-size:16px;padding:10px 12px;border-radius:12px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-weight:700;font-size:15px}
.keep{display:flex;align-items:center;gap:16px;background:color-mix(in srgb,var(--go) 12%,var(--card));border-radius:var(--r);padding:18px}
.keep b{font-family:var(--display);font-size:22px}

/* ---------- toast ---------- */
.toast{position:fixed;z-index:50;left:50%;top:calc(env(safe-area-inset-top,0px) + 76px);transform:translate(-50%,-20px);opacity:0;background:var(--ink);color:var(--paper);border-radius:16px;padding:12px 16px;display:flex;align-items:center;gap:10px;font-weight:700;box-shadow:0 12px 32px rgba(0,0,0,.25);transition:opacity .3s,transform .3s;pointer-events:none;max-width:calc(100vw - 32px)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast .ico{color:var(--gold)}
.lvhero{display:flex;flex-direction:column;gap:12px}
.lvhero .code{font-family:var(--display);font-weight:800;font-size:clamp(56px,10vw,96px);line-height:.9;color:var(--lv)}
.lvhero h1{font-size:clamp(32px,5vw,48px)}
.lvhero p{color:var(--muted);font-size:18px;max-width:60ch}

@media (max-width:560px){
  .ltile{position:relative;display:flex;flex-direction:column;align-items:flex-start;padding:14px}
  .ltile .ring{position:absolute;top:12px;right:12px;width:44px;height:44px}
  .ltile .ring::before{width:34px;height:34px}
  .ltile .ring span{font-size:10px}
  .ltile .code{font-size:26px}
  .ltile b{font-size:14px;line-height:1.2;padding-right:4px}
  .ltiles{gap:10px}
}
.lhead{display:flex;flex-direction:column;gap:6px}
@media (max-width:440px){.head-stats .pill.star{display:none}.wordmark small{display:none}.logo .mark{width:32px;height:32px}}

/* ---------- A0, listen steps, level path and gift ---------- */
.lv-A0 .code,.lv-A0 .qtype,.lv-A0.ltile .code,.lv-A0 .lvl-text{color:var(--a0-text)}
.say.big{padding:16px 22px;font-size:18px;border-radius:18px}
.say.big .ico{width:24px;height:24px}
.say.playing{animation:pulse 1s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px color-mix(in srgb,var(--lv) 22%,transparent)}}
.answers.two{display:grid;grid-template-columns:1fr 1fr}
.answers.two .ans{justify-content:center;font-weight:800;font-size:20px;padding:20px 14px}
.answers.two .ans .k{display:none}.answers.two .ans .ok-ico{margin-left:6px}
.ltile .tgift{position:relative;display:flex;width:max-content;max-width:100%;align-items:center;gap:6px;margin-top:6px;font-size:12px;font-weight:700;color:var(--muted)}
.ltile .tgift .ico{width:16px;height:16px;color:var(--gift-text)}
.ltile .tgift.open{color:var(--gift-text)}
.path{position:relative}
.path ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;position:relative}
.path ol::before{content:"";position:absolute;left:27px;top:28px;height:var(--track,calc(100% - 68px));width:4px;border-radius:4px;background:var(--line)}
.path ol::after{content:"";position:absolute;left:27px;top:28px;width:4px;border-radius:4px;background:var(--lv);height:var(--fill,0%);max-height:calc(100% - 68px);transition:height .8s cubic-bezier(.2,.8,.2,1)}
.node>a{position:relative;z-index:1;display:grid;grid-template-columns:58px 120px minmax(0,1fr) auto;gap:16px;align-items:center;text-decoration:none;color:inherit}
.node .dot{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:var(--card);border:4px solid var(--line);font-family:var(--display);font-weight:800;font-size:20px;color:var(--muted);transition:transform .15s}
.node .dot .ico{display:none;width:26px;height:26px}
.node .nimg{border-radius:14px;overflow:hidden;aspect-ratio:3/2;background:var(--sunk)}
.node .nimg img{display:block;width:100%;height:100%;object-fit:cover}
.node .ntxt{display:flex;flex-direction:column;gap:3px;min-width:0}
.node .ntxt b{font-size:17px;line-height:1.25}
.node .ntxt small{font-size:13px;color:var(--muted)}
.node .nstate{font-family:var(--mono);font-size:12px;padding:5px 10px;border-radius:99px;background:var(--sunk);color:var(--muted);white-space:nowrap}
.node>a:hover .dot{transform:scale(1.06)}
.node.done .dot{background:var(--lv);border-color:var(--lv);color:var(--lv-ink,#fff)}
.node.done .dot .n{display:none}.node.done .dot .ico{display:block}
.node.done .nstate{background:color-mix(in srgb,var(--go) 14%,transparent);color:var(--go)}
.node.next .dot{border-color:var(--lv);color:var(--lv);box-shadow:0 0 0 6px color-mix(in srgb,var(--lv) 18%,transparent)}
.lv-A0 .node.next .dot{color:var(--a0-text)}
.node.next .nstate{background:var(--lv);color:var(--lv-ink,#fff)}
.gift{position:relative;z-index:1;display:grid;grid-template-columns:58px minmax(0,1fr);gap:16px;align-items:start}
.gift .gdot{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:var(--card);border:4px dashed color-mix(in srgb,var(--preply) 60%,var(--line));color:var(--gift-text)}
.gift .gdot .ico{width:28px;height:28px}
.gift .gcard{border-radius:var(--r);padding:18px 20px;background:color-mix(in srgb,var(--preply) 9%,var(--card));border:2px dashed color-mix(in srgb,var(--preply) 45%,var(--line));display:flex;flex-direction:column;gap:8px}
.gift .gcard .eyebrow{color:var(--gift-text)}
.gift .gcard h3{font-family:var(--display);font-weight:800;font-size:22px;letter-spacing:-.01em;line-height:1.2}
.gift .gcard p{color:var(--muted);font-size:15px}
.gift .gbar{height:8px;border-radius:99px;background:var(--sunk);overflow:hidden}
.gift .gbar i{display:block;height:100%;width:0;background:var(--preply);border-radius:99px;transition:width .8s}
.gift [data-gift-when="open"]{display:none}
.gift.open [data-gift-when="open"]{display:flex}
.gift.open [data-gift-when="locked"]{display:none}
.gift.open .gdot{background:var(--preply);border-style:solid;border-color:var(--preply);color:var(--preply-ink);animation:pop .6s cubic-bezier(.2,1.6,.4,1)}
.gift.open .gcard{border-style:solid;background:color-mix(in srgb,var(--preply) 14%,var(--card))}
.gift .gnote{font-size:12.5px;color:var(--muted);line-height:1.45}
@keyframes pop{0%{transform:scale(.6)}100%{transform:scale(1)}}
.res-path{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:18px;background:var(--card);box-shadow:var(--shadow);text-decoration:none;color:inherit}
.res-path .pbar{flex:1;height:10px}
.res-path b{font-family:var(--mono);font-size:13px}
.res-path .ico{width:22px;height:22px;color:var(--gift-text);flex:none}
.res-path.open .ico{animation:pop .6s}
.res-gift{display:flex;flex-direction:column;gap:10px;padding:20px;border-radius:var(--r);background:color-mix(in srgb,var(--preply) 14%,var(--card));border:2px solid var(--preply);text-align:left}
.res-gift h3{font-family:var(--display);font-weight:800;font-size:22px;display:flex;align-items:center;gap:10px}
.res-gift h3 .ico{width:28px;height:28px;color:var(--gift-text)}
.res-gift p{color:var(--muted);font-size:15px}
@media (max-width:640px){
  .node>a{grid-template-columns:48px minmax(0,1fr) auto;gap:12px}
  .node .nimg{display:none}
  .node .dot,.gift .gdot{width:48px;height:48px;font-size:17px}
  .path ol::before,.path ol::after{left:22px;top:24px}
  .gift{grid-template-columns:48px minmax(0,1fr);gap:12px}
  .node .nstate{display:none}
  .node .ntxt b{font-size:16px}
}

/* English with Basso | visual refresh + Netlify account */
.logo img.mark{width:42px;height:42px;object-fit:cover;border-radius:13px;box-shadow:0 5px 14px rgba(21,52,92,.16)}
.logo.sm img.mark{width:34px;height:34px}
.stage .stage-illustration{width:100%;height:100%;object-fit:cover;display:block}
.preply-mark{width:27px;height:27px;flex:none;display:grid;place-items:center;background:#FF7AAC;color:#121117;border:1px solid rgba(18,17,23,.05);border-radius:9px;font-family:Arial,sans-serif;font-size:23px;font-weight:900;line-height:1;letter-spacing:-.1em;padding-right:3px}
.nav-item.preply-tab{color:#B62461!important;font-weight:800}
.head-nav .preply-tab{background:#ffe0ed;padding:7px 12px;border-radius:16px}
.tabbar a.preply-tab{color:#9b2b62!important}
.tabbar .preply-mark{width:31px;height:31px;border-radius:10px;box-shadow:0 3px 12px rgba(255,122,172,.23)}
.tabbar .preply-tab span:last-child{font-weight:800}
.tabbar{padding:6px max(8px,env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));gap:3px;background:rgba(255,255,255,.95);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
.tabbar a{font-size:10.5px;min-width:0;gap:3px;padding:6px 1px}
.tabbar a .ico{width:22px;height:22px}
@media(max-width:360px){.tabbar a{font-size:9.5px}}
.profile-hero{display:grid;grid-template-columns:1.12fr 1fr;align-items:center;gap:30px;padding:32px;border-radius:30px;background:linear-gradient(120deg,#ebf6e8,#f9eae5 60%,#f2e9fa);margin-bottom:28px;overflow:hidden}
.profile-hero h1{font-size:clamp(32px,4.5vw,58px);line-height:1.08;max-width:16ch;margin:12px 0}
.profile-hero p{font-size:17px;color:var(--muted);max-width:48ch}
.profile-hero img{width:100%;height:auto;max-height:380px;object-fit:cover;border-radius:25px}
.profile-benefits{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px;color:#275d43;font-size:13px;font-weight:700}
.profile-benefits span{background:rgba(255,255,255,.7);border-radius:15px;padding:8px 11px}
.account-panel{max-width:680px;margin:0 auto 28px;border-radius:28px;padding:30px;background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow)}
.account-heading h2{font-size:27px}.account-heading p{color:var(--muted);margin-top:5px;margin-bottom:22px}
.auth-guest,.auth-user{display:flex;flex-direction:column;gap:16px}.auth-guest[hidden],.auth-user[hidden]{display:none}
.google-btn{width:100%;justify-content:center;background:#fff;color:#202124;border:1px solid #D8DDE6;min-height:52px}
.google-logo{font-size:25px;font-weight:800;background:conic-gradient(#4285f4 0 90deg,#34a853 90deg 180deg,#fbbc05 180deg 270deg,#ea4335 270deg);background-clip:text;-webkit-text-fill-color:transparent}
.auth-divider{text-align:center;color:var(--muted);font-size:13px;position:relative}
.auth-form{display:grid;gap:15px}.auth-form label{display:grid;gap:5px;font-size:14px;font-weight:700}
.auth-form input{border:1px solid var(--line);padding:13px 15px;border-radius:14px;background:var(--sunk);font:inherit;width:100%;color:var(--ink)}
.auth-buttons{display:flex;gap:10px;flex-wrap:wrap}.auth-buttons>*{flex:1;justify-content:center;min-width:130px}
.auth-recover{align-self:flex-start;text-decoration:underline}
.auth-user-info{display:flex;align-items:center;gap:14px}.auth-user-info div{display:flex;flex-direction:column;gap:4px}.auth-user-info span[data-auth-email]{color:var(--muted);font-size:14px}
.auth-avatar{display:grid;place-items:center;width:52px;height:52px;border-radius:17px;background:#e3f5e2;color:#246c39;font-size:24px}
.auth-message{min-height:20px;font-size:13px;color:var(--muted)}
.account-details{padding:22px;max-width:780px;margin:0 auto 40px}.account-details p{margin:12px 0;color:var(--muted)}
@media(max-width:700px){.profile-hero{grid-template-columns:1fr;padding:20px;gap:20px}.profile-hero img{max-height:245px}.account-panel{padding:20px;border-radius:22px}}

/* ===== Original assets and brand updates (2026-11-01) ===== */
.wordmark b{letter-spacing:-.035em;font-size:clamp(15px,1.4vw,19px)}
.wordmark em{font-style:normal;color:inherit}
@media (max-width:600px){.wordmark small{display:none}.head-stats{display:none}.head-in{gap:8px}.wordmark b{font-size:clamp(14px,4.1vw,17px)}}
@media (max-width:360px){.logo{gap:7px}.logo img.mark{width:34px;height:34px}.wordmark b{font-size:14px}}
.preply-mark{background:#f383a7!important;padding:3px!important;border:0!important;overflow:hidden;display:grid;place-items:center}
.preply-mark img{display:block;width:100%;height:100%;object-fit:contain}
.google-logo-img{object-fit:contain;border-radius:50%;flex:none;width:30px;height:30px}
.teacher-banner{display:block;width:100%;text-decoration:none;overflow:hidden;border-radius:20px;border:1px solid rgba(27,36,41,.08);box-shadow:0 12px 28px rgba(18,28,38,.11);transition:transform .2s ease,box-shadow .2s ease}
.teacher-banner img{display:block;width:100%;height:auto;object-fit:contain}
.teacher-banner:hover{transform:translateY(-2px);box-shadow:0 15px 32px rgba(18,28,38,.15)}
.teacher-banner:focus-visible{outline:3px solid #173b45;outline-offset:4px}
.teacher .t-media{width:100%}
@media(max-width:700px){.teacher{gap:20px}.teacher-banner{border-radius:16px}}
.profile-hero{margin:26px auto 24px;max-width:900px}
.profile-hero h2{font-size:clamp(27px,4.5vw,46px);line-height:1.08;max-width:16ch;margin:12px 0}
.account-panel{max-width:720px;margin:12px auto 26px}
.account-heading h1{font-size:clamp(28px,4vw,36px);letter-spacing:-.03em}
.foot-grid{grid-template-columns:minmax(0,1.45fr) minmax(0,.8fr) minmax(0,.8fr) minmax(0,1fr);gap:25px}
.foot-social{min-width:0}.social-links{display:flex;flex-wrap:wrap;gap:9px}
.social-btn{display:inline-flex;align-items:center;gap:8px;padding:7px 10px;min-height:42px;border-radius:13px;border:1px solid var(--line);text-decoration:none;color:var(--ink);font-size:13px;font-weight:700;background:var(--card);transition:box-shadow .18s,transform .18s}
.social-btn img{display:block;width:26px;height:26px;object-fit:contain;flex:none}
.social-btn:hover:not(.social-pending){box-shadow:0 4px 14px rgba(19,34,42,.1);transform:translateY(-1px)}
.social-btn:focus-visible{outline:3px solid var(--go);outline-offset:3px}
.social-pending{opacity:.6;cursor:default;border-style:dashed}
@media(max-width:1120px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr}.foot-social{grid-column:1/-1}}
@media(max-width:820px){.foot-grid{grid-template-columns:1fr 1fr}.foot-cta,.foot-social{grid-column:1/-1}}
@media(max-width:460px){.social-links{display:grid;grid-template-columns:1fr 1fr}.social-btn{justify-content:flex-start}.foot-bottom .wordmark b{font-size:15px}}

.btn.preply .preply-btn-logo{width:22px;height:22px;object-fit:contain;flex:none}.btn.preply.sm .preply-btn-logo{width:18px;height:18px}