:root{
  --bg:#f4f6fa;--panel:#fff;--panel2:#f8fafc;--ink:#172033;--muted:#6b778e;--line:#e2e7ef;
  --blue:#2563eb;--blue2:#e8f0ff;--navy:#101827;--gold:#f3c84b;--danger:#c64d4d;
  --shadow:0 9px 26px rgba(20,31,52,.08);--text-scale:1;--sidebar:220px;--ring-bg:#dbe3ee
}
:root[data-theme="dark"]{
  --bg:#050608;--panel:#0b0e12;--panel2:#11151a;--ink:#f1f3f5;--muted:#a4abb5;--line:#242a31;
  --blue:#60a5fa;--blue2:#10151c;--navy:#020304;--gold:#f5cc55;--danger:#ff7777;
  --shadow:0 10px 28px rgba(0,0,0,.42);--ring-bg:#1b2027
}
:root[data-text-size="small"]{--text-scale:.90}
:root[data-text-size="normal"]{--text-scale:1}
:root[data-text-size="large"]{--text-scale:1.14}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:calc(15px * var(--text-scale))/1.45 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;transition:background .18s,color .18s}
.hidden{display:none!important}
button,select,input{font:inherit}
button{cursor:pointer}
.topbar{
  height:66px;padding:8px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:var(--navy);color:#fff;position:sticky;top:0;z-index:120
}
.brand{display:flex;align-items:center;gap:10px;color:#fff}
.brand-button{border:0;background:transparent;text-align:left;padding:0}
.brandmark{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;background:#3b82f6;font-weight:900}
/* Nazmul Somrat logo in the site header */
.brandmark-logo{
  display:block;
  width:32px;
  height:44px;
  object-fit:contain;
  background:transparent;
  padding:0;
  border:0;
  border-radius:0;
  flex:none;
}
.brand small{display:block;color:#aebbd0;font-size:11px;font-weight:400}
.menu-btn{display:none;border:1px solid #42506a;background:#1b2638;color:#fff;border-radius:10px;width:40px;height:40px;font-size:20px}
.top-actions{display:flex;align-items:center;gap:8px}
.header-progress{display:flex;align-items:center;gap:7px;padding:3px 8px;border:1px solid #33435b;border-radius:13px;background:#151f2e}
.mini-ring{
  --pct:0;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:conic-gradient(#60a5fa calc(var(--pct)*1%),#2c3a4f 0);position:relative
}
.mini-ring::after{content:"";position:absolute;width:30px;height:30px;border-radius:50%;background:#151f2e}
.mini-ring span{position:relative;z-index:1;font-size:10px;font-weight:800}
.header-progress-copy{display:flex;flex-direction:column;line-height:1.15;min-width:76px}
.header-progress-copy small{font-size:9px;color:#9fb0c7}
.header-progress-copy span{font-size:10px;color:#dbe5f3}
.text-controls{display:flex;background:#1b2638;border:1px solid #42506a;border-radius:10px;overflow:hidden}
.top-mini{border:0;border-right:1px solid #42506a;background:transparent;color:#dce5f2;padding:7px 9px}
.top-mini:last-child{border-right:0}
.top-mini.active{background:#eaf2ff;color:#193a69;font-weight:900}
.ghost{border:1px solid #42506a;background:#1b2638;color:#fff;border-radius:10px;padding:8px 12px}
.app-shell{min-height:calc(100vh - 66px)}
.sidebar{
  position:fixed;top:66px;left:0;bottom:0;width:var(--sidebar);z-index:100;background:var(--panel);
  border-right:1px solid var(--line);padding:14px 10px;display:flex;flex-direction:column;transition:transform .2s
}
.side-nav{display:flex;flex-direction:column;gap:4px}
.side-link,.course-side{
  width:100%;border:0;background:transparent;color:var(--ink);border-radius:11px;padding:10px 11px;text-align:left;
  display:flex;align-items:center;gap:9px
}
.side-link:hover,.course-side:hover{background:var(--panel2)}
.side-link.active{background:var(--blue2);color:var(--blue);font-weight:800}
.side-link em{margin-left:auto;font-style:normal;font-size:10px;background:var(--panel2);padding:2px 6px;border-radius:99px}
.side-label{font-size:9px;letter-spacing:.12em;color:var(--muted);font-weight:900;margin:14px 10px 5px}
.course-dot{width:30px;height:30px;border-radius:9px;background:#3b82f6;color:#fff;display:grid;place-items:center;font-size:10px;font-weight:900;flex:none}
.course-dot.tech{background:#7756d9}
.course-side span:last-child{display:flex;flex-direction:column}
.course-side small{font-size:9px;color:var(--muted);font-weight:400}
.course-side.muted{opacity:.62}
.course-side.active-course{background:var(--panel2);font-weight:750}
.side-footer{margin-top:auto;border-top:1px solid var(--line);padding:13px 8px 2px;color:var(--muted);font-size:10px;line-height:1.45}
.sidebar-backdrop{display:none}
.content-shell{margin-left:var(--sidebar);min-height:calc(100vh - 66px);display:flex;flex-direction:column}
.view{flex:1}
.page-main,.episode-main{max-width:1080px;width:100%;margin:0 auto;padding:22px 16px 70px}
.app-hero,.hero,.episode-intro,.quick-card{
  background:linear-gradient(135deg,var(--panel),var(--blue2));border:1px solid var(--line);border-radius:20px;
  padding:22px;box-shadow:var(--shadow)
}
.app-hero h1,.hero h1{font-size:calc(28px * var(--text-scale));margin:5px 0 8px}
.app-hero p,.hero p,.page-title-row p{color:var(--muted)}
.eyebrow{font-size:calc(10px * var(--text-scale));font-weight:900;letter-spacing:.14em;color:#55719c;margin:0}
.section-head{display:flex;align-items:center;justify-content:space-between;margin-top:20px}
.section-head.simple{margin:24px 0 10px}
.section-head h2{margin:0}
.course-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:13px}
.course-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:17px;box-shadow:0 4px 15px rgba(18,31,50,.05);display:flex;flex-direction:column;min-height:190px}
.course-card.ready{cursor:pointer}
.course-card.ready:hover{border-color:#7698c9;transform:translateY(-1px)}
.course-card-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.course-card-badge{width:48px;height:48px;border-radius:14px;background:#3b82f6;color:#fff;display:grid;place-items:center;font-weight:900}
.course-card.tech .course-card-badge{background:#7756d9}
.course-card h3{margin:12px 0 5px;font-size:calc(19px * var(--text-scale))}
.course-card p{color:var(--muted);margin:0 0 12px}
.course-card-footer{margin-top:auto}
.course-card-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;margin-bottom:7px}
.thinbar,.epbar{height:6px;background:var(--ring-bg);border-radius:99px;overflow:hidden}
.thinbar i,.epbar i{display:block;height:100%;background:var(--blue);width:0}
.coming-tag{font-size:10px;border-radius:99px;padding:4px 8px;background:var(--panel2);color:var(--muted)}
.course-hero{display:grid;grid-template-columns:1fr auto;gap:22px;align-items:center}
.hero-actions{display:flex;gap:8px;flex-wrap:wrap}
.primary,.secondary,.mini-primary{border-radius:11px;font-weight:750}
.primary{border:0;background:var(--blue);color:#fff}
.secondary{border:1px solid var(--line);background:var(--panel);color:var(--ink)}
.large{padding:11px 17px}
.mini-primary{border:0;background:var(--blue);color:#fff;padding:9px 13px}
.course-stats{display:grid;grid-template-columns:repeat(4,90px);gap:8px}
.course-stats>div{background:color-mix(in srgb,var(--panel) 76%,transparent);border:1px solid var(--line);border-radius:14px;padding:12px;text-align:center}
.course-stats strong{display:block;font-size:18px}
.course-stats span{font-size:10px;color:var(--muted)}
.home-tools{display:flex;gap:9px;margin:16px 0;flex-wrap:wrap}
.home-tools input{flex:1;min-width:240px;border:1px solid var(--line);border-radius:13px;padding:11px 13px;background:var(--panel);color:var(--ink)}
.pill{border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:999px;padding:9px 13px}
.toggle-pill.active{background:var(--blue2);border-color:#8db3eb;color:var(--blue);font-weight:750}
.quick-card{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:15px;padding:15px 17px}
.quick-card h3{margin:0 0 3px}.quick-card p{margin:0;color:var(--muted)}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:17px;padding:14px;margin:10px 0;box-shadow:var(--shadow)}
.page-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:15px}
.page-title-row h1{margin:3px 0 2px}
.text-btn{border:0;background:none;color:var(--muted)}
.danger{color:var(--danger)}
.filter-chips{display:flex;gap:7px;flex-wrap:wrap;margin:0 0 12px}
.chip{border:1px solid var(--line);background:var(--panel);color:var(--muted);border-radius:999px;padding:7px 11px}
.chip.active{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:800}
.episode-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:11px}
.episode-card{background:var(--panel);border:1px solid var(--line);border-radius:17px;padding:14px;box-shadow:0 4px 12px rgba(17,31,51,.035);cursor:pointer}
.episode-card:hover{border-color:#7698c9;transform:translateY(-1px)}
.ephead{display:flex;justify-content:space-between;gap:8px}
.epnum{font-weight:900;font-size:calc(18px * var(--text-scale))}
.status{font-size:calc(10px * var(--text-scale));border-radius:999px;padding:4px 8px;background:var(--panel2);color:var(--muted)}
.status.done{background:#183b2b;color:#8de6ad}.status.progressing{background:#443717;color:#f3d279}
:root[data-theme="light"] .status.done{background:#e4f7ea;color:#23703f}
:root[data-theme="light"] .status.progressing{background:#fff4d7;color:#795600}
.epmeta{color:var(--muted);font-size:calc(12px * var(--text-scale));margin:5px 0 10px}
.epwords{font-size:calc(12px * var(--text-scale));color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.empty-state{grid-column:1/-1;background:var(--panel);border:1px dashed var(--line);border-radius:15px;padding:20px;color:var(--muted);text-align:center}
.search-summary{display:flex;justify-content:space-between;gap:10px;color:var(--muted);margin-bottom:4px}
.result-row,.bookmark-row{display:grid;grid-template-columns:1fr auto;gap:10px;padding:9px 6px;border-top:1px solid var(--line);border-radius:9px}
.result-row:first-of-type,.bookmark-row:first-of-type{border-top:0}
.result-row small,.bookmark-row small{display:block;color:var(--muted)}
.result-row.clickable{cursor:pointer}.result-row.clickable:hover{background:var(--panel2)}
.row-actions{display:flex;gap:6px;align-items:center}
.mini{border:1px solid var(--line);background:var(--panel2);color:var(--ink);border-radius:9px;padding:6px 8px}
.player{position:sticky;top:66px;z-index:80;background:rgba(16,24,39,.97);color:#fff;padding:9px 12px;box-shadow:0 5px 20px rgba(0,0,0,.18);backdrop-filter:blur(10px)}
:root[data-theme="dark"] .player{background:rgba(7,12,20,.97)}
.episode-nav{display:grid;grid-template-columns:42px minmax(190px,1fr) 42px;gap:7px;max-width:560px;margin:auto}
.episode-nav select,.speed{background:#202c3f;border:1px solid #43516a;color:#fff;border-radius:10px;padding:7px}
.navbtn,.square,.starbtn{border:0;background:#263449;color:#fff;border-radius:10px;min-height:38px}
.transport{display:grid;grid-template-columns:48px 50px 48px 75px 48px 170px minmax(130px,1fr);gap:7px;align-items:center;max-width:860px;margin:8px auto 0}
.play{border:0;background:#3b82f6;color:#fff;border-radius:12px;height:42px;font-size:18px}
.starbtn.marked{background:#f2c84b;color:#2d260e}
.playback-stats{text-align:right;font-variant-numeric:tabular-nums;display:flex;flex-direction:column;line-height:1.2}
.playback-stats #timebox{font-size:12px;color:#d6e0ef}.playback-stats #wordProgress{font-size:11px;color:#93c5fd;margin-top:3px}
.progress{display:block;width:min(860px,100%);margin:7px auto;accent-color:#60a5fa}
.modebar{display:flex;gap:7px;align-items:center;max-width:860px;margin:auto;flex-wrap:wrap}
.mode{border:1px solid #43516a;background:#1f2937;color:#dce5f2;border-radius:999px;padding:6px 10px;font-size:12px}
.mode.active{background:#eaf2ff;color:#193a69;border-color:#bad5ff;font-weight:800}
.modebar label{font-size:11px;color:#dce5f2}
.option-toggle{padding:5px 8px;border:1px solid #37455b;border-radius:999px;background:#182334}
.modebar .right{margin-left:auto}
.player-note{max-width:860px;margin:4px auto 0;color:#9fb0c8;font-size:11px;min-height:15px}
.episode-intro{padding:14px;margin-bottom:12px}.episode-intro h1{font-size:calc(21px * var(--text-scale));margin:0 0 5px}.episode-intro p{color:var(--muted)}
.block-title{margin:21px 4px 8px;font-size:calc(12px * var(--text-scale));text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-weight:900}
.vocab-card,.recall-card{background:var(--panel);border:1px solid var(--line);border-radius:17px;padding:13px;margin:9px 0;box-shadow:0 4px 14px rgba(18,31,50,.04)}
.card-meta{display:flex;gap:6px;align-items:center;margin-bottom:7px}
.badge{font-size:calc(10px * var(--text-scale));border-radius:99px;padding:3px 7px;background:var(--panel2);color:var(--muted)}
.badge.easy{background:#183b2b;color:#8de6ad}.badge.medium{background:#443717;color:#f3d279}.badge.hard{background:#4a2020;color:#ffabab}
:root[data-theme="light"] .badge.easy{background:#e8f8ee;color:#176437}
:root[data-theme="light"] .badge.medium{background:#fff4d7;color:#7e5900}
:root[data-theme="light"] .badge.hard{background:#ffe8e8;color:#982424}
.bookmark-card{margin-left:auto;border:0;background:transparent;font-size:22px;color:#98a2b4}.bookmark-card.marked{color:#d7a900}
.line{padding:7px 8px;border-radius:10px;margin:3px 0;border:1px solid transparent;transition:.15s;cursor:pointer}
.line:hover{border-color:#7698c9}
.line.active{background:#51461e;border-color:#d4ad34;box-shadow:0 0 0 2px rgba(237,202,78,.12)}
:root[data-theme="light"] .line.active{background:#fff1b8;border-color:#edca4e}
.smalllabel{display:block;font-size:calc(9px * var(--text-scale));text-transform:uppercase;letter-spacing:.08em;color:#8a95a7;margin-bottom:1px}
.de-word{font-size:calc(20px * var(--text-scale));font-weight:850;color:#72b7ff}:root[data-theme="light"] .de-word{color:#123d68}
.en-meaning{font-size:calc(16px * var(--text-scale));color:#efc66d}:root[data-theme="light"] .en-meaning{color:#765006}
.grammar{font-size:calc(14px * var(--text-scale));color:#c8a7ff;font-weight:700}:root[data-theme="light"] .grammar{color:#5d21af}
.example-wrap{border-top:1px dashed var(--line);margin-top:6px;padding-top:5px}
.de-example{font-size:calc(16px * var(--text-scale));font-weight:630;color:#9ac9ff}:root[data-theme="light"] .de-example{color:#183f66}
.en-example{font-size:calc(14px * var(--text-scale));color:#e8c67d}:root[data-theme="light"] .en-example{color:#75510a}
.english.hidden-en .actual-text{display:none}
.english.hidden-en::after{content:'English hidden — tap to reveal';display:inline-block;color:var(--muted);font-style:italic;background:var(--panel2);border-radius:8px;padding:3px 7px}
.english.user-revealed .actual-text{display:inline}.english.user-revealed::after{display:none}
.recall-card{background:#10281f;border-color:#24513d}:root[data-theme="light"] .recall-card{background:#ecfdf5;border-color:#bee9d0}
.recall-card h3{margin:0 0 7px;font-size:calc(14px * var(--text-scale));color:#8be1ad}:root[data-theme="light"] .recall-card h3{color:#17613e}
.recall-item{border-top:1px dashed var(--line);padding:6px 0}.recall-item:first-of-type{border-top:0}
.recall-answer.auto-hidden .actual-text{display:none}
.recall-answer.auto-hidden::after{content:'Answer hidden — think first or tap';color:var(--muted);font-style:italic;background:var(--panel2);border-radius:7px;padding:3px 7px}
.recall-answer.revealed .actual-text{display:inline}.recall-answer.revealed::after{display:none}
.lyrics-view{display:none;min-height:58vh;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:22px 10px}
.lyrics-view.visible{display:flex}.lyric{max-width:780px;padding:13px}
.lyric.prev,.lyric.next{color:var(--muted);font-size:calc(15px * var(--text-scale))}
.lyric.current{font-size:clamp(calc(24px * var(--text-scale)),5vw,calc(40px * var(--text-scale)));font-weight:800}
.lyric-label{display:block;color:var(--muted);font-size:calc(10px * var(--text-scale));text-transform:uppercase;letter-spacing:.12em;margin-bottom:9px}
.lyrics-star{border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:8px 13px;color:var(--muted)}.lyrics-star.marked{background:#fff3c4;color:#6d5100}
.normal-hidden{display:none}
.back-current{position:fixed;left:calc(var(--sidebar) + (100vw - var(--sidebar))/2);transform:translateX(-50%);bottom:18px;z-index:115;border:0;background:var(--blue);color:#fff;border-radius:999px;padding:10px 15px;font-weight:800;box-shadow:0 7px 22px rgba(0,0,0,.22)}
.toast{position:fixed;bottom:16px;right:12px;z-index:140;background:#172033;color:#fff;border-radius:11px;padding:8px 11px;font-size:12px;opacity:0;pointer-events:none;transition:opacity .2s}.toast.show{opacity:.94}
.site-footer{margin-top:auto;padding:22px 15px 28px;text-align:center;color:var(--muted);font-size:10px}
.footer-brand-row{display:flex;align-items:center;gap:9px}
.footer-logo{
  width:22px;height:30px;object-fit:contain;display:block;flex:none;
  border:0;border-radius:0;background:transparent
}
.site-footer-inner{
  display:flex;align-items:center;justify-content:center;gap:10px;
  width:max-content;max-width:100%;margin:0 auto
}
.site-footer-logo{width:24px;height:33px}
.site-footer-copy{text-align:left}
.site-footer-copy .footer-social-links{justify-content:flex-start}
.social-links{display:flex;align-items:center;gap:8px;margin-top:9px}
.side-footer .social-links{justify-content:flex-start}
.footer-social-links{justify-content:center}
.social-link{
  width:30px;height:30px;display:inline-grid;place-items:center;border:1px solid var(--line);border-radius:9px;
  background:var(--panel2);color:var(--muted);text-decoration:none;transition:transform .16s ease,border-color .16s ease,color .16s ease,background .16s ease
}
.social-link:hover{transform:translateY(-2px);border-color:var(--blue);color:var(--blue);background:var(--blue2)}
.social-link svg{width:17px;height:17px;fill:currentColor;display:block}

@media(max-width:900px){
  .menu-btn{display:block}.brand small{display:none}
  .brandmark-logo{display:block;width:27px;height:37px}.brand{gap:7px}
  .sidebar{transform:translateX(-105%);box-shadow:10px 0 30px rgba(0,0,0,.18)}
  .sidebar.open{transform:translateX(0)}
  .sidebar-backdrop{position:fixed;inset:66px 0 0 0;background:rgba(0,0,0,.38);z-index:95}
  .sidebar-backdrop.show{display:block}
  .content-shell{margin-left:0}.back-current{left:50%}
}
@media(max-width:720px){
  .header-progress-copy{display:none}.header-progress{padding:3px}.text-controls{display:none}
  .brand strong{font-size:14px}.ghost{padding:7px 9px}.topbar{padding:8px 10px}
  .page-main,.episode-main{padding-left:9px;padding-right:9px}
  .course-hero{grid-template-columns:1fr}.course-stats{grid-template-columns:repeat(4,1fr)}
  .transport{grid-template-columns:43px 47px 43px 67px 43px 140px 1fr}.playback-stats #timebox,.playback-stats #wordProgress{font-size:10px}
  .option-toggle{width:100%;order:5}.modebar .right{margin-left:0}
  .quick-card{align-items:flex-start;flex-direction:column}
}
@media(max-width:520px){
  .app-hero,.hero{padding:16px}.app-hero h1,.hero h1{font-size:calc(23px * var(--text-scale))}
  .result-row,.bookmark-row{grid-template-columns:1fr}.row-actions{justify-content:flex-start}
  .course-stats{gap:5px}.course-stats>div{padding:9px 5px}
}


/* v2.1 navigation hierarchy */
.current-course-link{font-weight:800}
.course-subnav{
  margin:0 0 4px 16px;
  padding:1px 0 3px 10px;
  border-left:2px solid var(--line);
}
.course-subnav .sub-link{
  padding:8px 10px;
  font-size:calc(13px * var(--text-scale));
}
.course-subnav .sub-link span{opacity:.9}

/* Course-level progress belongs inside the course page */
.course-progress-inline{
  margin:12px 0 16px;
  max-width:560px;
}
.course-progress-copy{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:6px;
  font-size:calc(11px * var(--text-scale));
  color:var(--muted);
}
.course-progress-copy strong{color:var(--ink);font-size:calc(11px * var(--text-scale))}
.course-progress-bar{height:7px}

/* Persistent audio player across app navigation */
.persistent-player-host{
  position:sticky;
  top:66px;
  z-index:85;
  width:100%;
}
.persistent-player{
  position:relative;
  top:auto;
}

/* True light-mode player */
:root[data-theme="light"] .player{
  background:rgba(247,249,252,.98);
  color:var(--ink);
  border-bottom:1px solid var(--line);
  box-shadow:0 5px 18px rgba(24,38,59,.10);
}
:root[data-theme="light"] .episode-nav select,
:root[data-theme="light"] .speed{
  background:#ffffff;
  border-color:#cfd8e6;
  color:#233149;
}
:root[data-theme="light"] .navbtn,
:root[data-theme="light"] .square,
:root[data-theme="light"] .starbtn,
:root[data-theme="light"] :root[data-theme="light"] .play{
  background:#3b82f6;
  color:white;
}
:root[data-theme="light"] .playback-stats #timebox{color:#44536c}
:root[data-theme="light"] .playback-stats #wordProgress{color:#2563eb}
:root[data-theme="light"] .mode{
  background:#ffffff;
  color:#34445f;
  border-color:#cfd8e6;
}
:root[data-theme="light"] .mode.active{
  background:#dceafe;
  color:#173a6c;
  border-color:#8eb7ef;
}
:root[data-theme="light"] .modebar label{color:#44536c}
:root[data-theme="light"] .option-toggle{
  background:#f3f6fa;
  border-color:#d6dfeb;
}
:root[data-theme="light"] .player-note{color:#6d7b90}
:root[data-theme="light"] .progress{accent-color:#3b82f6}

/* Keep app header intentionally dark/navy in both themes */
:root[data-theme="light"] .topbar{
  background:var(--navy);
  color:#fff;
}

/* When player persists on Home/Library, separate content clearly */
.persistent-player-host + .view:not(.hidden){
  scroll-margin-top:220px;
}

@media(max-width:900px){
  .persistent-player-host{top:66px}
}

/* v2.2 — B1 Core + B1+ Advanced sections */
.section-side-link{font-weight:650}
.course-subnav .advanced-link{color:var(--ink)}
:root[data-theme="dark"] .course-subnav .advanced-link{color:var(--ink)}
.course-sections{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:16px 0
}
.section-card{
  background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:16px;
  box-shadow:0 4px 14px rgba(18,31,50,.045)
}
.section-card.advanced{border-color:color-mix(in srgb,#7756d9 42%,var(--line))}
.section-card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.section-card h3{margin:2px 0 0;font-size:calc(19px * var(--text-scale))}
.section-card p{margin:7px 0 12px;color:var(--muted)}
.section-kicker{
  display:inline-block;font-size:9px;letter-spacing:.12em;font-weight:900;color:var(--blue);
  text-transform:uppercase
}
.section-card.advanced .section-kicker,.library-section.advanced .section-kicker{color:#7756d9}
:root[data-theme="dark"] .section-card.advanced .section-kicker,
:root[data-theme="dark"] .library-section.advanced .section-kicker{color:#b7a5ff}
.section-episode-count{font-size:10px;color:var(--muted);background:var(--panel2);padding:4px 8px;border-radius:999px}
.section-stats{display:flex;justify-content:space-between;gap:10px;margin-bottom:7px;font-size:11px;color:var(--muted)}
.section-stats strong{color:var(--ink)}
.section-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px}
.section-card.advanced .thinbar i{background:#7756d9}

.library-section{grid-column:1/-1;margin-bottom:18px}
.library-section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin:4px 2px 10px;
  padding:12px 14px;background:var(--panel);border:1px solid var(--line);border-radius:14px
}
.library-section.advanced .library-section-head{border-color:color-mix(in srgb,#7756d9 42%,var(--line))}
.library-section-head h2{margin:1px 0 0;font-size:calc(20px * var(--text-scale))}
.library-section-head p{margin:2px 0 0;color:var(--muted);font-size:11px}
.library-section-head>strong{font-size:18px;color:var(--blue)}
.library-section.advanced .library-section-head>strong{color:#7756d9}
.episode-grid-inner{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:11px}
.episode-card.advanced{border-color:color-mix(in srgb,#7756d9 30%,var(--line))}
.episode-card.advanced .epbar i{background:#7756d9}

@media(max-width:720px){
  .course-sections{grid-template-columns:1fr}
}


/* v2.3 — collapsible B1 sections + Grid/List episode layouts */
.library-toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:0 0 12px
}
.library-toolbar .filter-chips{margin:0}
.library-view-toggle{
  display:flex;align-items:center;gap:4px;padding:3px;background:var(--panel2);border:1px solid var(--line);border-radius:11px
}
.view-btn{
  border:0;background:transparent;color:var(--muted);border-radius:8px;padding:6px 10px;font-size:11px;font-weight:750;cursor:pointer
}
.view-btn:hover{color:var(--ink)}
.view-btn.active{background:var(--panel);color:var(--ink);box-shadow:0 1px 4px rgba(17,31,51,.08)}
:root[data-theme="dark"] .view-btn.active{box-shadow:0 1px 5px rgba(0,0,0,.24)}

.library-section{grid-column:1/-1}
.library-section-head{
  width:100%;font:inherit;color:inherit;text-align:left;cursor:pointer;
  align-items:center;border:1px solid var(--line)
}
.library-section-head:hover{border-color:#7698c9}
.library-section.advanced .library-section-head:hover{border-color:#8e78df}
.library-section-head-right{display:flex;align-items:center;gap:10px;flex:none}
.library-section-head-right>strong{font-size:18px;color:var(--blue)}
.library-section.advanced .library-section-head-right>strong{color:#7756d9}
.section-chevron{
  width:28px;height:28px;display:grid;place-items:center;border-radius:9px;background:var(--panel2);
  color:var(--muted);font-size:19px;line-height:1;transition:transform .18s ease
}
.library-section.is-open .section-chevron{transform:rotate(180deg)}
.library-section-body{padding-top:0}
.library-section-body.hidden{display:none}

/* Grid view */
.episode-grid.grid-view{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:11px}
.episode-grid.grid-view .episode-grid-inner{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:11px}

/* List view */
.episode-grid.list-view{display:block}
.episode-grid.list-view .library-section{margin-bottom:12px}
.episode-grid.list-view .episode-grid-inner{display:flex;flex-direction:column;gap:7px}
.episode-grid.list-view .episode-card{
  display:grid;grid-template-columns:minmax(215px,.95fr) 115px minmax(140px,.7fr) minmax(220px,1.2fr);
  align-items:center;gap:14px;padding:10px 13px;border-radius:13px
}
.episode-grid.list-view .episode-card:hover{transform:none}
.episode-grid.list-view .ephead{align-items:center}
.episode-grid.list-view .epnum{font-size:calc(15px * var(--text-scale))}
.episode-grid.list-view .epmeta{margin:0;white-space:nowrap}
.episode-grid.list-view .epbar{margin:0}
.episode-grid.list-view .epwords{min-width:0}
.episode-grid.list-view .status{white-space:nowrap}

@media(max-width:760px){
  .library-toolbar{align-items:flex-start}
  .library-view-toggle{margin-left:auto}
  .episode-grid.list-view .episode-card{
    grid-template-columns:minmax(0,1fr) auto;gap:7px 10px
  }
  .episode-grid.list-view .epmeta{grid-column:1/2}
  .episode-grid.list-view .epbar{grid-column:1/-1}
  .episode-grid.list-view .epwords{grid-column:1/-1}
}
@media(max-width:470px){
  .library-toolbar{display:block}
  .library-view-toggle{width:max-content;margin:8px 0 0}
  .library-section-head{padding:11px 12px}
}


/* v2.3.2 — episode-card autoplay + global Return to Top button */
.back-to-top{
  position:fixed;
  right:18px;
  bottom:64px;
  z-index:132;
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--ink);
  border-radius:999px;
  padding:9px 13px;
  font:inherit;
  font-size:12px;
  font-weight:800;
  cursor:pointer;
  box-shadow:0 6px 20px rgba(0,0,0,.16);
  transition:opacity .16s ease,transform .16s ease,background .16s ease;
}
.back-to-top:hover{
  transform:translateY(-2px);
  background:var(--panel2);
}
.back-to-top.hidden{display:none}
:root[data-theme="dark"] .back-to-top{
  box-shadow:0 7px 22px rgba(0,0,0,.34);
}
@media(max-width:720px){
  .back-to-top{
    right:12px;
    bottom:62px;
    padding:9px 12px;
  }
}


/* v2.4 — episodes live directly inside the course; no separate Library page */
.course-episode-browser{
  margin:18px 0 22px;
}
.episode-browser-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px;
  margin:0 2px 12px;
}
.episode-browser-head h2{
  margin:2px 0 0;
  font-size:calc(22px * var(--text-scale));
}
.course-episode-browser .library-section{
  margin-bottom:12px;
}
.course-episode-browser .library-section-head{
  margin-bottom:10px;
}
@media(max-width:620px){
  .episode-browser-head{align-items:flex-start}
}


/* v2.5 — clear Core/Advanced selection + visible current episode */
.course-subnav .section-side-link{
  position:relative;
  transition:background .16s ease,color .16s ease,box-shadow .16s ease;
}
.course-subnav .section-side-link.section-selected{
  background:var(--blue2);
  color:var(--blue);
  font-weight:850;
}
.course-subnav .section-side-link.section-selected::before{
  content:"";
  position:absolute;
  left:-12px;
  top:7px;
  bottom:7px;
  width:3px;
  border-radius:99px;
  background:var(--blue);
}
.course-subnav .advanced-link.section-selected{
  background:color-mix(in srgb,#7756d9 12%,var(--panel));
  color:#6f55c9;
}
.course-subnav .advanced-link.section-selected::before{
  background:#7756d9;
}
:root[data-theme="dark"] .course-subnav .advanced-link.section-selected{
  background:color-mix(in srgb,#8f7ae0 18%,var(--panel));
  color:#c0b2ff;
}


.episode-card.current-episode{
  border:2px solid var(--blue);
  box-shadow:0 0 0 3px color-mix(in srgb,var(--blue) 11%,transparent),0 5px 16px rgba(37,99,235,.12);
}
.episode-card.advanced.current-episode{
  border-color:#7756d9;
  box-shadow:0 0 0 3px color-mix(in srgb,#7756d9 11%,transparent),0 5px 16px rgba(119,86,217,.12);
}
.status.playing-now{
  background:color-mix(in srgb,var(--blue) 15%,var(--panel));
  color:var(--blue);
  font-weight:850;
}
.status.current-now{
  background:var(--panel2);
  color:var(--ink);
  font-weight:800;
}
.episode-card.advanced .status.playing-now{
  background:color-mix(in srgb,#7756d9 13%,var(--panel));
  color:#7756d9;
}
.episode-card.locate-pulse{
  animation:gvaLocatePulse 1.05s ease;
}
@keyframes gvaLocatePulse{
  0%,100%{transform:translateY(0)}
  40%{transform:translateY(-3px)}
}



/* v2.6 — active episode auto-follow */
.episode-card.current-episode{
  scroll-margin-top:280px;
}


/* v2.7 — Core and B1+ Advanced have independent player episode lists */
#episodeSelect{
  font-weight:650;
}


@media(max-width:470px){
  .brandmark-logo{width:24px;height:33px}
  .brand strong{font-size:12px}
  .site-footer-inner{gap:8px}
  .site-footer-logo{width:21px;height:29px}
}

:root[data-theme="light"] @media(max-width:520px){
  .transport{grid-template-columns:38px 44px 38px 56px 38px minmax(66px,1fr);gap:4px}
  .playback-stats{grid-column:1/-1;flex-direction:row;justify-content:center;gap:8px;text-align:center}
  }

:root[data-theme="light"] 
/* Clear episode-end behavior control */
.end-mode-control{
  min-height:38px;display:flex;align-items:center;gap:7px;padding:0 8px 0 10px;
  border:1px solid #334155;border-radius:10px;background:#182235;color:#cbd5e1;
  font-size:11px;font-weight:700;white-space:nowrap;
}
.end-mode-control span{opacity:.82}
.end-mode-control select{
  border:0;background:transparent;color:#fff;font:inherit;font-weight:800;outline:none;cursor:pointer;
}
.end-mode-control select option{color:#111827;background:#fff}
:root[data-theme="light"] .end-mode-control{
  background:#fff;color:#64748b;border-color:#cbd5e1;
}
:root[data-theme="light"] .end-mode-control select{color:#1e293b}

/* Quiz test */
.quiz-launch{margin-left:auto;font-weight:800}
.quiz-overlay{
  position:fixed;inset:0;z-index:9998;background:rgba(3,8,18,.72);
  display:flex;align-items:center;justify-content:center;padding:24px;
  backdrop-filter:blur(4px);
}
.quiz-panel{
  position:relative;width:min(720px,100%);max-height:min(820px,92vh);overflow:auto;
  background:#0f1724;color:#eef4ff;border:1px solid #2c3a50;border-radius:22px;
  box-shadow:0 24px 70px rgba(0,0,0,.42);padding:28px;
}
.quiz-close{
  position:absolute;right:16px;top:14px;border:0;background:transparent;color:#9fb0c8;
  font-size:30px;line-height:1;cursor:pointer;
}
.quiz-kicker{font-size:11px;font-weight:900;letter-spacing:.12em;color:#7fb1ff}
.quiz-panel h2{margin:7px 0 12px;font-size:28px}
.quiz-meta{display:flex;justify-content:space-between;gap:12px;color:#9fb0c8;font-size:12px}
.quiz-progress{height:7px;background:#233047;border-radius:99px;overflow:hidden;margin:12px 0 26px}
.quiz-progress span{display:block;height:100%;background:#4b93ff;border-radius:99px}
.quiz-word{text-align:center;font-size:36px;font-weight:850;margin:12px 0 4px}
.quiz-prompt{text-align:center;color:#9fb0c8;margin:0 0 22px}
.quiz-options{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.quiz-option{
  min-height:62px;border:1px solid #31415a;border-radius:14px;background:#162033;color:#eef4ff;
  display:flex;align-items:center;gap:12px;text-align:left;padding:12px 14px;font-size:15px;cursor:pointer;
}
.quiz-option:hover{border-color:#5c8fdc}
.quiz-option.selected{border-color:#60a5fa;background:#1b3150;box-shadow:0 0 0 2px rgba(96,165,250,.18)}
.quiz-letter{
  width:30px;height:30px;display:grid;place-items:center;flex:0 0 auto;border-radius:9px;
  background:#26364f;color:#9fc5ff;font-weight:900;
}
.quiz-actions,.quiz-result-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px;flex-wrap:wrap}
.quiz-primary,.quiz-secondary{
  min-height:42px;border-radius:11px;padding:0 17px;font-weight:800;cursor:pointer;
}
.quiz-primary{border:0;background:#3b82f6;color:#fff}
.quiz-secondary{border:1px solid #34445e;background:#182235;color:#e5edf8}
.quiz-primary:disabled,.quiz-secondary:disabled{opacity:.4;cursor:not-allowed}
.quiz-score{
  display:flex;align-items:center;gap:18px;border-radius:16px;padding:18px;margin:16px 0 20px;
}
.quiz-score strong{font-size:36px}
.quiz-score span{line-height:1.45}
.quiz-score.pass{background:#123426;border:1px solid #245b43}
.quiz-score.review{background:#3a2815;border:1px solid #6b4923}
.quiz-review{border-top:1px solid #2a374c;padding-top:8px}
.quiz-review h3{font-size:15px;margin:12px 0}
.quiz-review-row{
  display:grid;grid-template-columns:minmax(120px,.8fr) 1fr 1fr;gap:10px;
  padding:11px 0;border-bottom:1px solid #243147;font-size:13px;
}
.quiz-review-row span{color:#aebed3}
.quiz-review-row .quiz-correct{color:#78d6a4}
.quiz-perfect{padding:20px;border-radius:14px;background:#123426;color:#bdf3d2;text-align:center}
body.quiz-open{overflow:hidden}

:root[data-theme="light"] .quiz-panel{background:#fff;color:#172033;border-color:#d5dfec}
:root[data-theme="light"] .quiz-close{color:#64748b}
:root[data-theme="light"] .quiz-meta,
:root[data-theme="light"] .quiz-prompt{color:#64748b}
:root[data-theme="light"] .quiz-progress{background:#e8eef6}
:root[data-theme="light"] .quiz-option{background:#f8fafc;color:#172033;border-color:#d4deea}
:root[data-theme="light"] .quiz-option.selected{background:#e9f2ff;border-color:#3b82f6}
:root[data-theme="light"] .quiz-letter{background:#e6eef9;color:#2563eb}
:root[data-theme="light"] .quiz-secondary{background:#fff;color:#334155;border-color:#cbd5e1}
:root[data-theme="light"] .quiz-score.pass{background:#e9f8ef;border-color:#b9e4c8}
:root[data-theme="light"] .quiz-score.review{background:#fff4df;border-color:#f0d19a}
:root[data-theme="light"] .quiz-review{border-color:#dbe3ee}
:root[data-theme="light"] .quiz-review-row{border-color:#e4eaf2}
:root[data-theme="light"] .quiz-review-row span{color:#64748b}
:root[data-theme="light"] .quiz-review-row .quiz-correct{color:#137a45}
:root[data-theme="light"] .quiz-perfect{background:#e9f8ef;color:#17663b}

@media(max-width:720px){
  .quiz-overlay{padding:10px;align-items:flex-end}
  .quiz-panel{max-height:94vh;border-radius:20px 20px 0 0;padding:22px 16px}
  .quiz-word{font-size:30px}
  .quiz-options{grid-template-columns:1fr}
  .quiz-review-row{grid-template-columns:1fr;gap:3px}
  .end-mode-control span{display:none}
}

.quiz-grammar{
  font-size:.58em;
  font-weight:650;
  color:#9fb0c8;
  line-height:1.45;
}
.quiz-option.locked{cursor:default}
.quiz-option.locked:not(.selected){opacity:.68}
:root[data-theme="light"] .quiz-grammar{color:#64748b}
@media(max-width:720px){
  .quiz-grammar{display:block;margin-top:7px;font-size:.56em}
}

.side-quiz-points{
  display:flex;align-items:center;gap:8px;padding:8px 10px;
  color:var(--muted);font-size:calc(12px * var(--text-scale));
}
.side-quiz-points span:first-child{opacity:.8}
.side-quiz-points em{margin-left:auto;font-style:normal;font-weight:800;color:var(--ink);font-size:11px}
.course-quiz-meta{margin-top:8px;color:var(--muted);font-size:10px}
@media(max-width:520px){
  .course-stats{grid-template-columns:repeat(2,1fr)}
}

.quiz-instant-feedback{
  min-height:52px;
  margin-top:16px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 14px;
  font-size:14px;
  font-weight:750;
}
.quiz-instant-feedback.placeholder{
  border:1px dashed transparent;
  background:transparent;
}
.quiz-instant-feedback.correct{
  background:#123426;
  border:1px solid #245b43;
  color:#bdf3d2;
}
.quiz-instant-feedback.wrong{
  background:#3a1c1c;
  border:1px solid #6e2d2d;
  color:#ffd1d1;
}
.quiz-instant-feedback.wrong span{
  color:#f3aaaa;
  font-weight:700;
}
.quiz-instant-feedback.wrong strong{
  color:#fff;
  font-size:15px;
}
:root[data-theme="light"] .quiz-instant-feedback.correct{
  background:#e9f8ef;
  border-color:#b9e4c8;
  color:#17663b;
}
:root[data-theme="light"] .quiz-instant-feedback.wrong{
  background:#fff0f0;
  border-color:#efbcbc;
  color:#a32020;
}
:root[data-theme="light"] .quiz-instant-feedback.wrong span{
  color:#b94747;
}
:root[data-theme="light"] .quiz-instant-feedback.wrong strong{
  color:#8c1717;
}

.side-language-box{margin:10px 14px 14px;padding:12px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.03)}
.side-language-label{margin-bottom:10px;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.lang-switch{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.lang-btn{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:12px;padding:9px 8px;font-weight:800;cursor:pointer}
.lang-btn.active{background:var(--accent);border-color:transparent;color:#fff;box-shadow:0 8px 18px rgba(76,126,255,.22)}
.end-mode-compact{display:flex;align-items:center;gap:6px;padding:4px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
.end-mode-btn{width:38px;height:38px;border:none;border-radius:10px;background:transparent;color:var(--muted);display:grid;place-items:center;cursor:pointer}
.end-mode-btn svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.end-mode-btn:first-child svg rect{fill:currentColor;stroke:none}
.end-mode-btn:hover{background:rgba(76,126,255,.1);color:var(--text)}
.end-mode-btn.active{background:var(--accent);color:#fff;box-shadow:0 8px 18px rgba(76,126,255,.22)}
:root[data-theme="light"] .side-language-box{background:#fff}
@media (max-width:860px){.end-mode-compact{order:6}}


/* v3 — compact single end-mode button + settings panel */
.settings-btn{
  width:46px;height:46px;border:1px solid #42506a;border-radius:13px;background:#1b2638;color:#fff;
  display:grid;place-items:center;cursor:pointer;transition:.15s ease;
}
.settings-btn:hover{background:#25344c;border-color:#5f75a0}
.settings-btn svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.end-mode-cycle{
  width:50px;height:50px;border:0;border-radius:12px;background:#3b82f6;color:#fff;
  display:grid;place-items:center;cursor:pointer;box-shadow:0 6px 15px rgba(59,130,246,.24);transition:.14s ease;
}
.end-mode-cycle:hover{background:#2f73df;transform:translateY(-1px)}
.end-mode-cycle:active{transform:translateY(0)}
.end-mode-cycle svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.end-mode-cycle[data-mode="stop"] svg rect{fill:currentColor;stroke:none}
.transport{grid-template-columns:48px 50px 48px 75px 48px 50px minmax(130px,1fr)!important}
.settings-overlay{
  position:fixed;inset:0;z-index:10020;background:rgba(4,9,18,.38);backdrop-filter:blur(2px);
}
.settings-panel{
  position:absolute;right:18px;top:76px;width:min(370px,calc(100vw - 28px));max-height:calc(100vh - 94px);overflow:auto;
  background:#0f1724;color:#edf4ff;border:1px solid #30405a;border-radius:20px;padding:20px;
  box-shadow:0 26px 80px rgba(0,0,0,.38);
}
.settings-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:10px}
.settings-head h2{font-size:24px;margin:2px 0 0}
.settings-kicker{margin:0;color:#82b1ff;font-size:10px;font-weight:900;letter-spacing:.13em}
.settings-close{border:0;background:transparent;color:#a8b6c9;font-size:28px;line-height:1;cursor:pointer;padding:0 2px}
.settings-group{padding:16px 0;border-top:1px solid #25344a}
.settings-group:first-of-type{border-top:0}
.settings-row-head{display:flex;justify-content:space-between;gap:12px;align-items:baseline;margin-bottom:10px}
.settings-row-head strong{font-size:14px}
.settings-row-head span{color:#93a5bd;font-size:11px;text-align:right}
.settings-segment{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;background:transparent;border:0;border-radius:0;overflow:visible}
.settings-segment .top-mini,.settings-segment .lang-btn{
  min-height:42px;border:1px solid #344661!important;border-radius:11px!important;background:#172236;color:#e4edf9;padding:8px 10px;
}
.settings-segment .top-mini.active,.settings-segment .lang-btn.active{background:#3b82f6!important;color:#fff!important;border-color:#3b82f6!important}
.settings-wide-btn{width:100%;min-height:43px;border:1px solid #344661;background:#172236;color:#edf4ff;border-radius:11px;font-weight:800;cursor:pointer}
.settings-toggle-row{display:flex;align-items:center;justify-content:space-between;gap:16px}
.settings-toggle-row .settings-row-head{margin-bottom:0;display:block}
.settings-toggle-row .settings-row-head span{display:block;text-align:left;margin-top:4px}
.switch-control{position:relative;width:52px;height:30px;flex:0 0 auto}
.switch-control input{position:absolute;opacity:0;pointer-events:none}
.switch-slider{position:absolute;inset:0;border-radius:999px;background:#334155;cursor:pointer;transition:.18s}
.switch-slider:after{content:"";position:absolute;width:22px;height:22px;left:4px;top:4px;background:#fff;border-radius:50%;transition:.18s;box-shadow:0 2px 5px rgba(0,0,0,.25)}
.switch-control input:checked + .switch-slider{background:#3b82f6}
.switch-control input:checked + .switch-slider:after{transform:translateX(22px)}
body.settings-open{overflow:hidden}
:root[data-theme="light"] .settings-overlay{background:rgba(15,23,42,.18)}
:root[data-theme="light"] .settings-panel{background:#fff;color:#172033;border-color:#d4dfec}
:root[data-theme="light"] .settings-group{border-color:#e2e8f0}
:root[data-theme="light"] .settings-row-head span{color:#64748b}
:root[data-theme="light"] .settings-close{color:#64748b}
:root[data-theme="light"] .settings-segment .top-mini,
:root[data-theme="light"] .settings-segment .lang-btn,
:root[data-theme="light"] .settings-wide-btn{background:#f8fafc;color:#172033;border-color:#cbd5e1!important}
@media(max-width:760px){
  .settings-panel{right:8px;left:8px;top:70px;width:auto;max-height:calc(100vh - 82px)}
  .transport{grid-template-columns:43px 47px 43px 67px 43px 47px 1fr!important}
}
@media(max-width:520px){
  .transport{grid-template-columns:38px 44px 38px 56px 38px 44px!important;gap:4px}
  .playback-stats{grid-column:1/-1!important}
  .settings-btn{width:42px;height:42px}
}


/* v4 — sidebar scrolling, two-state end behavior, mobile player and 2-column grid */
.sidebar{
  overflow-y:auto!important;
  overflow-x:hidden!important;
  overscroll-behavior:contain;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
  min-height:0;
}
.side-nav{flex:0 0 auto}
.side-footer{
  flex:0 0 auto;
  margin-top:auto;
  padding-bottom:12px;
}

/* Same visual footprint as the Play/Pause control. */
.end-mode-cycle{
  width:100%!important;
  height:42px!important;
  min-height:42px!important;
  border-radius:12px!important;
  background:#3b82f6!important;
  color:#fff!important;
  box-shadow:none!important;
}
.end-mode-cycle:hover{background:#2f73df!important}
.end-mode-cycle svg{width:22px!important;height:22px!important;fill:none;stroke:#fff;stroke-width:2.1;stroke-linecap:round;stroke-linejoin:round}
.end-mode-cycle[data-mode="next"] svg path:first-child{fill:#fff;stroke:none}
.end-mode-cycle[data-mode="repeat"] svg path:last-child{stroke-width:2.4}

/* Desktop/tablet: end-mode button is the same 50px column as Play. */
.transport{grid-template-columns:48px 50px 48px 75px 48px 50px minmax(130px,1fr)!important}

/* Mobile: keep time + word progress on the same row, immediately to the right of the end-mode button. */
@media(max-width:760px){
  .transport{
    grid-template-columns:40px 46px 40px 62px 40px 46px minmax(70px,1fr)!important;
    gap:5px!important;
    width:100%;
    max-width:none;
  }
  .play,.end-mode-cycle{height:42px!important;min-height:42px!important}
  .playback-stats{
    grid-column:7!important;
    grid-row:1!important;
    min-width:0!important;
    align-self:center;
    text-align:right!important;
    padding-left:1px;
  }
  .playback-stats #timebox,.playback-stats #wordProgress{font-size:9.5px!important;white-space:nowrap}
}
@media(max-width:520px){
  .transport{
    grid-template-columns:34px 40px 34px 52px 34px 40px minmax(58px,1fr)!important;
    gap:4px!important;
  }
  .square,.starbtn,.play,.end-mode-cycle,.speed{min-width:0!important}
  .square,.starbtn{padding-left:2px!important;padding-right:2px!important;font-size:12px!important}
  .speed{padding-left:3px!important;padding-right:2px!important;font-size:11px!important}
  .playback-stats{grid-column:7!important;grid-row:1!important}
  .playback-stats #timebox,.playback-stats #wordProgress{font-size:8.5px!important}
}

/* Grid really means a 2-column episode grid on phones. */
@media(max-width:620px){
  .episode-grid.grid-view{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:8px!important}
  .episode-grid.grid-view .episode-grid-inner{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:8px!important}
  .episode-grid.grid-view .episode-card{padding:10px!important;border-radius:14px!important;min-width:0}
  .episode-grid.grid-view .ephead{gap:4px;align-items:flex-start;flex-wrap:wrap}
  .episode-grid.grid-view .epnum{font-size:calc(14px * var(--text-scale))!important}
  .episode-grid.grid-view .status{font-size:calc(8px * var(--text-scale))!important;padding:3px 5px!important;white-space:nowrap}
  .episode-grid.grid-view .epmeta{font-size:calc(9.5px * var(--text-scale))!important;margin:5px 0 8px!important;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .episode-grid.grid-view .epwords{font-size:calc(9.5px * var(--text-scale))!important}
  .episode-grid.grid-view .epbar{height:5px!important}
}


/* v5 — verified quiz interaction + two-button 3-state end behavior */
.quiz-launch{font-weight:400!important}
.quiz-launch.active{font-weight:800!important}

/* Keep quiz content scrollable for long final reviews, but never show an unnecessary scrollbar. */
.quiz-panel{
  overflow-y:auto!important;
  overflow-x:hidden!important;
  scrollbar-width:none!important;
  -ms-overflow-style:none!important;
}
.quiz-panel::-webkit-scrollbar{width:0!important;height:0!important;display:none!important}
.quiz-option{pointer-events:auto!important;position:relative;z-index:1}
.quiz-options{position:relative;z-index:2}

/* Two physical buttons create 3 effective states:
   neither active = Stop; Repeat active = Repeat; Next active = Play next. */
.end-mode-pair{
  display:grid!important;
  grid-template-columns:50px 50px!important;
  gap:7px!important;
  align-items:center!important;
}
.end-mode-option{
  width:50px!important;
  height:42px!important;
  min-height:42px!important;
  padding:0!important;
  border:1px solid #cbd5e1!important;
  border-radius:12px!important;
  background:#ffffff!important;
  color:#475569!important;
  box-shadow:none!important;
  display:grid!important;
  place-items:center!important;
  cursor:pointer!important;
  transition:background .14s ease,border-color .14s ease,color .14s ease,transform .14s ease!important;
}
.end-mode-option svg{
  width:24px!important;
  height:24px!important;
  fill:none!important;
  stroke:currentColor!important;
  stroke-width:2.2!important;
  stroke-linecap:round!important;
  stroke-linejoin:round!important;
}
.end-mode-option[data-end-mode="next"] svg path:last-child{fill:currentColor!important;stroke:none!important}
.end-mode-option:hover{border-color:#93b8ef!important;color:#2563eb!important;background:#f8fbff!important}
.end-mode-option.active{
  background:#3b82f6!important;
  border-color:#3b82f6!important;
  color:#ffffff!important;
}
.end-mode-option:active{transform:translateY(1px)!important}
:root[data-theme="dark"] .end-mode-option:not(.active){
  background:#ffffff!important;
  border-color:#d5deeb!important;
  color:#334155!important;
}

/* Desktop: same height as Play/Pause; two 50px mode buttons. */
.transport{
  grid-template-columns:48px 50px 48px 75px 48px 107px minmax(130px,1fr)!important;
}

/* Mobile: keep both end-mode buttons and the time/word information on the same first row. */
@media(max-width:760px){
  .transport{
    grid-template-columns:40px 46px 40px 62px 40px 99px minmax(76px,1fr)!important;
    gap:5px!important;
  }
  .end-mode-pair{grid-template-columns:46px 46px!important;gap:5px!important}
  .end-mode-option{width:46px!important;height:42px!important}
  .playback-stats{grid-column:7!important;grid-row:1!important;text-align:right!important;min-width:0!important}
  .playback-stats #timebox,.playback-stats #wordProgress{font-size:9.5px!important;white-space:nowrap!important}
}
@media(max-width:520px){
  .transport{
    grid-template-columns:34px 40px 34px 52px 34px 85px minmax(62px,1fr)!important;
    gap:4px!important;
  }
  .end-mode-pair{grid-template-columns:40px 40px!important;gap:5px!important}
  .end-mode-option{width:40px!important;height:40px!important}
  .end-mode-option svg{width:21px!important;height:21px!important}
  .playback-stats{grid-column:7!important;grid-row:1!important}
  .playback-stats #timebox,.playback-stats #wordProgress{font-size:8.5px!important}
}


/* v5 — single cycle end-behavior button: stop -> repeat -> next -> stop */
.end-mode-cycle-single{
  width:50px;
  height:42px;
  min-height:42px;
  border:1px solid #b8c8dc;
  border-radius:12px;
  background:#ffffff;
  color:#365f9d;
  display:grid;
  place-items:center;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .12s ease,box-shadow .18s ease;
  position:relative;
  box-shadow:0 1px 2px rgba(15,23,42,.04);
}
.end-mode-cycle-single:hover{border-color:#7ea6e6;box-shadow:0 6px 14px rgba(59,130,246,.12)}
.end-mode-cycle-single:active{transform:translateY(1px)}
.end-mode-cycle-single.active{background:#3b82f6;color:#ffffff;border-color:#3b82f6;box-shadow:0 8px 18px rgba(59,130,246,.22)}
.end-mode-cycle-single svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2.1;stroke-linecap:round;stroke-linejoin:round}
.end-mode-cycle-single .icon-next,
.end-mode-cycle-single .icon-repeat{display:none}
.end-mode-cycle-single[data-mode="stop"] .icon-repeat,
.end-mode-cycle-single[data-mode="repeat"] .icon-repeat{display:block}
.end-mode-cycle-single[data-mode="next"] .icon-next{display:block}
.end-mode-cycle-single[data-mode="next"] .icon-next path:last-child{fill:currentColor;stroke:none}
:root[data-theme="dark"] .end-mode-cycle-single{background:#122033;border-color:#43516a;color:#dce6f8}
:root[data-theme="dark"] .end-mode-cycle-single.active{background:#3b82f6;border-color:#3b82f6;color:#ffffff}
@media (max-width:860px){
  .end-mode-cycle-single{width:50px;height:42px;min-height:42px}
}


/* Bookmark button state refinement
   Inactive/current word not bookmarked: white button, blue outlined star.
   Active/current word bookmarked: blue button, white filled star. */
.starbtn{
  background:#ffffff!important;
  color:#3b82f6!important;
  border:1px solid #b8c8dc!important;
  box-shadow:0 1px 2px rgba(15,23,42,.04);
}
.starbtn:hover{
  border-color:#7ea6e6!important;
  background:#f8fbff!important;
}
.starbtn.marked{
  background:#3b82f6!important;
  color:#ffffff!important;
  border-color:#3b82f6!important;
  box-shadow:0 8px 18px rgba(59,130,246,.22)!important;
}
:root[data-theme="dark"] .starbtn{
  background:#ffffff!important;
  color:#3b82f6!important;
  border-color:#c7d4e6!important;
}
:root[data-theme="dark"] .starbtn.marked{
  background:#3b82f6!important;
  color:#ffffff!important;
  border-color:#3b82f6!important;
}


/* v1.0.0 — settings version panel + in-app update notification */
.app-update-group{padding-bottom:4px}
.app-version-row{display:flex;align-items:center;gap:12px;justify-content:space-between}
.app-version-copy{display:flex;flex-direction:column;gap:3px;min-width:0}
.app-version-copy strong{font-size:14px}
.app-version-copy span{font-size:11px;color:#98a9c0}
.update-check-btn{width:auto!important;min-width:150px;padding:0 14px;flex:0 0 auto}
.update-check-status{min-height:18px;margin-top:9px;font-size:11px;color:#91a5c1}
.update-notice{
  position:fixed;z-index:10050;right:18px;bottom:18px;width:min(560px,calc(100vw - 28px));
  display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:12px;
  padding:14px;border-radius:16px;border:1px solid #395174;background:#101b2c;color:#edf4ff;
  box-shadow:0 18px 50px rgba(0,0,0,.32)
}
.update-notice.hidden{display:none!important}
.update-notice-icon{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:#1e4f91;color:#fff;font-size:21px;font-weight:900}
.update-notice-copy{display:flex;flex-direction:column;gap:3px;min-width:0}
.update-notice-copy strong{font-size:14px}.update-notice-copy span{font-size:11px;line-height:1.35;color:#aebed2}
.update-notice-actions{display:flex;gap:7px;align-items:center}
.update-now-btn,.update-later-btn{min-height:36px;border-radius:10px;padding:0 12px;font-weight:800;cursor:pointer}
.update-now-btn{border:0;background:#3b82f6;color:#fff}.update-later-btn{border:1px solid #40536e;background:transparent;color:#dce7f7}
:root[data-theme="light"] .app-version-copy span,:root[data-theme="light"] .update-check-status{color:#64748b}
:root[data-theme="light"] .update-notice{background:#fff;color:#162033;border-color:#cbd8e8;box-shadow:0 18px 50px rgba(15,23,42,.2)}
:root[data-theme="light"] .update-notice-copy span{color:#64748b}
:root[data-theme="light"] .update-later-btn{background:#fff;color:#334155;border-color:#cbd5e1}
@media(max-width:620px){
  .app-version-row{align-items:stretch;flex-direction:column}.update-check-btn{width:100%!important}
  .update-notice{left:10px;right:10px;bottom:10px;width:auto;grid-template-columns:38px 1fr}
  .update-notice-actions{grid-column:1/-1;justify-content:flex-end}
}


/* v1.0.4 — install guides, native feedback and settings details */
.settings-expand-group{padding:0!important}
.settings-details{border:0}
.settings-details>summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:16px 0;cursor:pointer;user-select:none}
.settings-details>summary::-webkit-details-marker{display:none}
.settings-summary-head{margin:0!important;flex:1;min-width:0}
.settings-summary-head strong{display:block}
.settings-summary-head span{display:block;max-width:190px}
.settings-details-chevron{color:#8fa4bf;font-size:17px;line-height:1;transition:transform .18s ease}
.settings-details[open] .settings-details-chevron{transform:rotate(180deg)}
.install-guides{display:grid;gap:10px;padding:0 0 8px}
.install-guide-card{display:grid;grid-template-columns:116px minmax(0,1fr);align-items:center;gap:12px;padding:10px;border:1px solid #2d405b;border-radius:14px;background:#121e30}
.install-guide-visual{border-radius:11px;overflow:hidden;background:#0c1625;color:#7fb0ff}
.install-guide-visual svg{display:block;width:100%;height:auto;fill:none;stroke:currentColor;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.install-guide-visual .device-shell{fill:#15253a;stroke:#7ea8e8}
.install-guide-visual .browser-bar{fill:#1d314b;stroke:#55749d}
.install-guide-visual .screen-fill{fill:#122238;stroke:#55749d}
.install-guide-visual .menu-card{fill:#172b43;stroke:#5f83b4}
.install-guide-visual .share-tray,.install-guide-visual .laptop-base{fill:#182c44;stroke:#7ea8e8}
.install-guide-copy strong{font-size:13px;display:block;margin-bottom:5px}
.install-guide-copy p{margin:0;color:#9eb0c6;font-size:11px;line-height:1.45}
.settings-helper-note{margin:8px 1px 14px;color:#91a5bd;font-size:10.5px;line-height:1.45}
.feedback-panel{padding:0 0 10px}
.feedback-panel>p:first-child{margin:0 0 10px;color:#9eb0c6;font-size:11px;line-height:1.5}
.feedback-form{display:grid;gap:10px}
.feedback-form textarea{box-sizing:border-box;width:100%;min-height:148px;resize:vertical;border:1px solid #30445f;border-radius:13px;background:#0c1625;color:#f3f7fc;padding:12px 13px;font:inherit;font-size:12px;line-height:1.55;outline:none;transition:border-color .15s ease,box-shadow .15s ease,background .15s ease}
.feedback-form textarea::placeholder{color:#788da7}
.feedback-form textarea:focus{border-color:#4b8df8;box-shadow:0 0 0 3px rgba(59,130,246,.16)}
.feedback-form-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:36px}
.feedback-status{min-width:0;color:#91a5bd;font-size:10.5px;line-height:1.35}
.feedback-status.success{color:#6ee7a5}
.feedback-status.error{color:#fca5a5}
.feedback-status.sending{color:#93c5fd}
.feedback-submit-btn{flex:0 0 auto;border:1px solid #3d7fe7;border-radius:10px;background:#2f73df;color:#fff;padding:9px 14px;font:inherit;font-size:11px;font-weight:800;cursor:pointer;transition:transform .12s ease,filter .12s ease,opacity .12s ease}
.feedback-submit-btn:hover{filter:brightness(1.08)}
.feedback-submit-btn:active{transform:translateY(1px)}
.feedback-submit-btn:disabled{cursor:default;opacity:.65}
.feedback-submit-frame{position:absolute!important;width:1px!important;height:1px!important;border:0!important;opacity:0!important;pointer-events:none!important}
:root[data-theme="light"] .install-guide-card{background:#f8fafc;border-color:#d7e0ec}
:root[data-theme="light"] .install-guide-visual{background:#eef5ff;color:#3979d9}
:root[data-theme="light"] .install-guide-visual .device-shell{fill:#f8fbff;stroke:#6d9fe5}
:root[data-theme="light"] .install-guide-visual .browser-bar,
:root[data-theme="light"] .install-guide-visual .screen-fill,
:root[data-theme="light"] .install-guide-visual .menu-card,
:root[data-theme="light"] .install-guide-visual .share-tray,
:root[data-theme="light"] .install-guide-visual .laptop-base{fill:#e7f0fd;stroke:#7ea6dd}
:root[data-theme="light"] .install-guide-copy p,
:root[data-theme="light"] .settings-helper-note,
:root[data-theme="light"] .feedback-panel>p:first-child{color:#64748b}
:root[data-theme="light"] .feedback-form textarea{background:#fff;color:#152238;border-color:#d6e0ec}
:root[data-theme="light"] .feedback-form textarea::placeholder{color:#94a3b8}
:root[data-theme="light"] .feedback-form textarea:focus{border-color:#3979d9;box-shadow:0 0 0 3px rgba(57,121,217,.13)}
:root[data-theme="light"] .feedback-status{color:#64748b}
:root[data-theme="light"] .feedback-status.success{color:#16834a}
:root[data-theme="light"] .feedback-status.error{color:#c24141}
:root[data-theme="light"] .feedback-status.sending{color:#3979d9}
@media(max-width:420px){
  .install-guide-card{grid-template-columns:92px minmax(0,1fr);gap:9px;padding:8px}
  .install-guide-copy p{font-size:10px}
  .feedback-form textarea{min-height:132px}
  .feedback-form-footer{align-items:flex-end}
}

/* v1.0.5 Quiz History + answer practice */
.side-quiz-points{width:100%;border:0;background:transparent;text-align:left;font:inherit;cursor:pointer}
.side-quiz-points:hover,.side-quiz-points.active{background:var(--blue2);color:var(--blue);border-radius:10px}
.side-quiz-points:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.course-quiz-stat{position:relative;cursor:pointer;transition:border-color .15s ease,transform .15s ease,box-shadow .15s ease}
.course-quiz-stat:hover{border-color:var(--blue);transform:translateY(-1px);box-shadow:0 6px 16px rgba(0,0,0,.08)}
.course-quiz-stat:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.course-quiz-stat-open{position:absolute;right:8px;top:50%;transform:translateY(-50%);font-size:19px;color:var(--blue);font-weight:900}
.quiz-history-title-row{margin-bottom:12px}
.quiz-history-title-row h1{margin-bottom:8px}
.quiz-history-title-row p:last-child{max-width:760px;color:var(--muted);line-height:1.55}
.quiz-history-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:8px 0}
.quiz-history-local-note{margin:0 0 14px;color:var(--muted);font-size:11px}
.quiz-history-list{display:grid;gap:12px}
.quiz-history-episode{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:14px 15px}
.quiz-history-episode-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}
.quiz-history-episode-head>div:first-child strong{display:block;font-size:15px;color:var(--ink)}
.quiz-history-episode-head>div:first-child small{display:block;margin-top:4px;color:var(--muted);font-size:10px}
.quiz-history-summary{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.quiz-history-summary span{min-width:64px;padding:6px 8px;border:1px solid var(--line);border-radius:10px;background:var(--panel2);text-align:center;color:var(--muted);font-size:9px;line-height:1.25}
.quiz-history-summary b{display:block;margin-top:2px;color:var(--ink);font-size:12px}
.quiz-history-attempts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:12px}
.quiz-history-attempt{border:1px solid var(--line);border-radius:11px;background:var(--panel2);color:var(--ink);padding:9px 10px;text-align:left;cursor:pointer;display:grid;grid-template-columns:1fr auto;gap:3px 8px;align-items:center;transition:border-color .15s ease,background .15s ease,transform .15s ease}
.quiz-history-attempt:hover{border-color:var(--blue);background:var(--blue2);transform:translateY(-1px)}
.quiz-history-attempt span{font-size:10px;color:var(--muted)}
.quiz-history-attempt strong{font-size:14px;color:var(--blue)}
.quiz-history-attempt small{grid-column:1/-1;color:var(--muted);font-size:9px}
.quiz-history-empty,.quiz-history-no-results{margin-top:10px;padding:11px;border:1px dashed var(--line);border-radius:11px;color:var(--muted);font-size:11px;text-align:center}
.quiz-history-no-results{margin-top:16px;background:var(--panel)}
.quiz-practice-hint{margin:0 0 4px;color:#9fb0c8;font-size:11px;line-height:1.45}
.quiz-time-link{margin-left:7px;border:1px solid #315d9a;border-radius:999px;background:#142d4e;color:#8dc2ff;padding:4px 8px;font:inherit;font-size:10px;font-weight:850;cursor:pointer;white-space:nowrap}
.quiz-time-link:hover{background:#1b3d69;border-color:#4b8fe7;color:#d8ebff}
:root[data-theme="light"] .quiz-practice-hint{color:#64748b}
:root[data-theme="light"] .quiz-time-link{background:#eaf3ff;border-color:#b9d4f8;color:#1d64bd}
:root[data-theme="light"] .quiz-time-link:hover{background:#dcecff;border-color:#79aef2;color:#164d91}
@media(max-width:720px){
  .quiz-history-episode-head{display:grid;gap:10px}
  .quiz-history-summary{justify-content:flex-start}
  .quiz-history-attempts{grid-template-columns:1fr}
  .quiz-history-attempt{grid-template-columns:1fr auto}
  .quiz-history-toolbar{align-items:flex-start}
  .quiz-time-link{margin-left:0;margin-top:5px;display:inline-flex;width:max-content}
}

/* v1.0.6 — B1 section routing, quiz folders, and normalized sidebar typography */
.side-link,.course-side,.side-quiz-points{
  font-family:inherit;
}
.course-subnav .sub-link,
.course-subnav .side-quiz-points{
  min-height:38px;
  padding:8px 10px;
  gap:8px;
  color:var(--ink);
  font-family:inherit;
  font-size:calc(13px * var(--text-scale));
  font-weight:550;
  line-height:1.25;
}
.course-subnav .sub-link > span:first-child,
.course-subnav .side-quiz-points > span:first-child{
  width:18px;
  min-width:18px;
  height:18px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 18px;
  font-family:inherit;
  font-size:12px;
  font-weight:700;
  line-height:1;
  opacity:.9;
}
.course-subnav .side-quiz-points em{
  font-family:inherit;
  font-size:calc(11px * var(--text-scale));
  line-height:1;
}
.course-subnav .sub-link.active,
.course-subnav .section-side-link.section-selected,
.course-subnav .side-quiz-points.active{
  font-weight:800;
}

.quiz-history-folders{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}
.quiz-history-folder{
  width:100%;
  min-height:108px;
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--panel);
  color:var(--ink);
  padding:16px 18px;
  display:grid;
  grid-template-columns:52px minmax(0,1fr) 28px;
  align-items:center;
  gap:14px;
  text-align:left;
  font:inherit;
  cursor:pointer;
  box-shadow:var(--shadow);
  transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease;
}
.quiz-history-folder:hover{
  transform:translateY(-1px);
  border-color:var(--blue);
  box-shadow:0 9px 24px rgba(37,99,235,.10);
}
.quiz-history-folder:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.quiz-history-folder.advanced{border-color:color-mix(in srgb,#7756d9 40%,var(--line))}
.quiz-history-folder-badge{
  width:48px;height:48px;border-radius:13px;background:var(--blue);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:900;
}
.quiz-history-folder.advanced .quiz-history-folder-badge{background:#7756d9}
.quiz-history-folder-copy{display:flex;flex-direction:column;gap:6px;min-width:0}
.quiz-history-folder-copy strong{font-size:calc(18px * var(--text-scale));line-height:1.15}
.quiz-history-folder-copy small{color:var(--muted);font-size:calc(11px * var(--text-scale));line-height:1.35}
.quiz-history-folder-arrow{justify-self:end;color:var(--blue);font-size:28px;font-weight:700;line-height:1}
.quiz-history-folder.advanced .quiz-history-folder-arrow{color:#7756d9}
.quiz-history-back-folders{white-space:normal;text-align:left}

@media(max-width:700px){
  .quiz-history-folders{grid-template-columns:1fr}
  .quiz-history-folder{min-height:94px;padding:13px 14px;grid-template-columns:44px minmax(0,1fr) 24px;gap:11px}
  .quiz-history-folder-badge{width:42px;height:42px;border-radius:11px;font-size:12px}
}