/* ───────────────────────── French ATAR — design system ───────────────────────── */
:root{
  --font-body:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-head:'Source Serif 4',Georgia,'Times New Roman',serif;
  --font-mono:'IBM Plex Mono',ui-monospace,Consolas,monospace;

  --bg:#f3f0e8; --bg-2:#e9e5d9; --surface:#ffffff; --surface-2:#faf8f2; --surface-3:#f1eee5;
  --ink:#151a30; --ink-2:#465071; --ink-3:#7a819b; --line:#e4dfd1; --line-2:#d2ccbb;
  --brand:#25348e; --brand-2:#3a4fd2; --brand-soft:#e6e9fb; --brand-ink:#ffffff;
  --rouge:#d9344a; --rouge-soft:#fde7ea;
  --ok:#0f8a5f; --ok-soft:#d9f4e7; --warn:#b26b00; --warn-soft:#fdefd0; --info:#1d6fd6; --info-soft:#e1eefc;
  --new:#2b6de0; --learn:#d9344a; --review:#0f8a5f;

  --r-xs:6px; --r-sm:10px; --r:16px; --r-lg:24px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(21,26,48,.06),0 1px 1px rgba(21,26,48,.04);
  --sh-2:0 10px 30px -12px rgba(21,26,48,.22),0 2px 8px rgba(21,26,48,.06);
  --sh-3:0 24px 60px -20px rgba(21,26,48,.35),0 4px 14px rgba(21,26,48,.08);
  --ease:cubic-bezier(.22,.9,.3,1);
  --side-w:264px;
}
:root[data-theme="dark"]{
  --bg:#0d1120; --bg-2:#111631; --surface:#161c36; --surface-2:#1b2240; --surface-3:#212a4d;
  --ink:#eceffc; --ink-2:#a9b1d0; --ink-3:#7982a6; --line:#262e52; --line-2:#333d69;
  --brand:#8ea0ff; --brand-2:#a6b4ff; --brand-soft:#1f2853; --brand-ink:#0d1120;
  --rouge:#ff6b7f; --rouge-soft:#3b1a25;
  --ok:#3fd49b; --ok-soft:#10352a; --warn:#f2b45a; --warn-soft:#3a2b0f; --info:#6aa9ff; --info-soft:#14284a;
  --new:#6aa9ff; --learn:#ff6b7f; --review:#3fd49b;
  --sh-1:0 1px 2px rgba(0,0,0,.4); --sh-2:0 10px 30px -12px rgba(0,0,0,.6),0 2px 8px rgba(0,0,0,.3); --sh-3:0 24px 60px -20px rgba(0,0,0,.7);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--ink);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;min-height:100vh}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
a{color:var(--brand);text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:600;letter-spacing:-.01em;line-height:1.2}
::selection{background:var(--brand);color:var(--brand-ink)}
:focus-visible{outline:2.5px solid var(--brand-2);outline-offset:2px;border-radius:6px}
.reduce-motion *{animation:none!important;transition:none!important}
.hide{display:none!important}
.mono{font-family:var(--font-mono)}
.serif{font-family:var(--font-head)}
.muted{color:var(--ink-2)} .faint{color:var(--ink-3)}
.grow{flex:1;min-width:0}
.row{display:flex;align-items:center;gap:10px}.row.wrap{flex-wrap:wrap}.row.between{justify-content:space-between}
.col{display:flex;flex-direction:column;gap:10px}
.gap-4{gap:4px}.gap-6{gap:6px}.gap-8{gap:8px}.gap-16{gap:16px}.gap-20{gap:20px}
.center{text-align:center}
.ellip{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ── App shell ── */
.app{display:grid;grid-template-columns:var(--side-w) minmax(0,1fr);min-height:100vh}
.side{position:sticky;top:0;height:100vh;overflow-y:auto;padding:22px 16px 20px;background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;gap:6px;scrollbar-width:thin}
.brand{display:flex;align-items:center;gap:12px;padding:4px 8px 18px}
.brand-mark{width:40px;height:40px;border-radius:12px;position:relative;overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-shrink:0}
.brand-mark i{flex:1}.brand-mark i:nth-child(1){background:#26358f}.brand-mark i:nth-child(2){background:#fff}.brand-mark i:nth-child(3){background:#d9344a}
.brand-mark b{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font:700 17px var(--font-head);color:#111a5c;mix-blend-mode:normal;text-shadow:0 0 6px #fff}
.brand h1{font-size:18px}.brand small{display:block;font:500 11px var(--font-body);color:var(--ink-3);letter-spacing:.06em;text-transform:uppercase;margin-top:2px}
.nav-group{font:600 10.5px var(--font-body);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);padding:14px 12px 6px}
.nav-item{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:12px;color:var(--ink-2);font-weight:500;font-size:14px;width:100%;text-align:left;transition:background .15s,color .15s}
.nav-item i{font-size:19px;width:22px;text-align:center;flex-shrink:0;opacity:.85}
.nav-item:hover{background:var(--surface-3);color:var(--ink)}
.nav-item.on{background:var(--brand-soft);color:var(--brand);font-weight:600}
.nav-item .badge{margin-left:auto}
.side-foot{margin-top:auto;padding-top:14px}
.main{min-width:0}
.page{max-width:1120px;margin:0 auto;padding:30px 32px 90px}
.topbar{display:none}
.bottom-nav{display:none}

.badge{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:20px;padding:0 7px;border-radius:var(--r-pill);font:600 11px var(--font-body);background:var(--brand);color:var(--brand-ink)}
.badge.soft{background:var(--brand-soft);color:var(--brand)}
.badge.red{background:var(--rouge);color:#fff}

/* ── Page header ── */
.ph{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.ph h2{font-size:30px}
.ph p{color:var(--ink-2);margin-top:4px;max-width:62ch}
.eyebrow{font:600 11px var(--font-body);letter-spacing:.14em;text-transform:uppercase;color:var(--rouge);margin-bottom:6px;display:flex;align-items:center;gap:8px}
.eyebrow:before{content:"";width:22px;height:3px;border-radius:2px;background:linear-gradient(90deg,#26358f 0 33%,#e4dfd1 33% 66%,#d9344a 66%)}

/* ── Surfaces ── */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-1);padding:20px}
.card.flat{box-shadow:none}
.card.tint{background:var(--surface-2)}
.card h3{font-size:17px;margin-bottom:10px}
.card.link{cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s}
.card.link:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--line-2)}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g-auto{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.g-auto-lg{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.sec-title{font:600 12px var(--font-body);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);margin:26px 0 12px;display:flex;align-items:center;gap:10px}
.sec-title:after{content:"";flex:1;height:1px;background:var(--line)}
.divider{height:1px;background:var(--line);margin:14px 0}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:12px;font-weight:600;font-size:14px;background:var(--surface);border:1px solid var(--line-2);color:var(--ink);transition:transform .12s var(--ease),background .15s,border-color .15s,box-shadow .15s;white-space:nowrap}
.btn:hover{background:var(--surface-3);border-color:var(--ink-3)}
.btn:active{transform:scale(.97)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink);box-shadow:0 6px 16px -6px var(--brand)}
.btn.primary:hover{background:var(--brand-2);border-color:var(--brand-2)}
.btn.rouge{background:var(--rouge);border-color:var(--rouge);color:#fff}
.btn.ghost{background:transparent;border-color:transparent;color:var(--ink-2)}
.btn.ghost:hover{background:var(--surface-3);color:var(--ink)}
.btn.sm{padding:6px 12px;font-size:13px;border-radius:10px}
.btn.lg{padding:15px 28px;font-size:16px;border-radius:16px}
.btn.icon{padding:8px;width:38px;height:38px;border-radius:12px}
.btn.icon.sm{width:32px;height:32px;padding:6px}
.btn[disabled]{opacity:.45;pointer-events:none}

/* ── Chips / pills ── */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:var(--r-pill);border:1px solid var(--line-2);background:var(--surface);font-size:13px;font-weight:500;color:var(--ink-2);transition:all .15s;white-space:nowrap}
.chip:hover{border-color:var(--ink-3);color:var(--ink)}
.chip.on{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}
.chip small{font:600 11px var(--font-body);opacity:.7}
.chip .dot{width:9px;height:9px;border-radius:50%}
.tag{display:inline-flex;align-items:center;gap:5px;padding:2px 9px;border-radius:var(--r-pill);font:600 11px var(--font-body);background:var(--surface-3);color:var(--ink-2);white-space:nowrap}
.tag.t{background:color-mix(in srgb,var(--c) 14%,transparent);color:var(--c)}
.tag.solid{background:var(--c);color:#fff}

/* ── Forms ── */
.input,.select,.textarea{width:100%;padding:11px 14px;border:1.5px solid var(--line-2);border-radius:12px;background:var(--surface);font-size:14.5px;transition:border-color .15s,box-shadow .15s}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 4px color-mix(in srgb,var(--brand-2) 18%,transparent)}
.textarea{resize:vertical;min-height:90px;line-height:1.55}
.search{position:relative}.search i{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--ink-3);font-size:18px}.search .input{padding-left:40px}
label.lbl{display:block;font:600 12px var(--font-body);color:var(--ink-2);margin-bottom:6px;letter-spacing:.02em}
.switch{position:relative;width:44px;height:26px;border-radius:99px;background:var(--line-2);transition:background .2s;flex-shrink:0}
.switch:after{content:"";position:absolute;left:3px;top:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:var(--sh-1);transition:transform .2s var(--ease)}
.switch.on{background:var(--brand)}.switch.on:after{transform:translateX(18px)}
.range{width:100%;accent-color:var(--brand)}
.seg{display:inline-flex;padding:4px;border-radius:14px;background:var(--surface-3);gap:2px;flex-wrap:wrap}
.seg button{padding:7px 14px;border-radius:10px;font-size:13px;font-weight:600;color:var(--ink-2)}
.seg button.on{background:var(--surface);color:var(--ink);box-shadow:var(--sh-1)}

/* ── Stats tiles ── */
.stat{padding:18px 20px}
.stat .v{font:600 34px var(--font-head);line-height:1}
.stat .l{font:600 11px var(--font-body);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);margin-top:8px}
.stat .s{font-size:12.5px;color:var(--ink-2);margin-top:2px}
.bar{height:8px;border-radius:99px;background:var(--surface-3);overflow:hidden}
.bar>i{display:block;height:100%;border-radius:99px;background:var(--c,var(--brand));transition:width .5s var(--ease)}
.ring{--p:0;--sz:96px;--c:var(--brand);width:var(--sz);height:var(--sz);border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--c) calc(var(--p)*1%),var(--surface-3) 0)}
.ring>div{width:calc(100% - 16px);height:calc(100% - 16px);border-radius:50%;background:var(--surface);display:grid;place-items:center;text-align:center;font:600 20px var(--font-head)}

/* ── Hero / home ── */
.hero{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:32px;background:linear-gradient(135deg,#1d2a78 0%,#2d43c4 55%,#5b72f0 100%);color:#fff;box-shadow:var(--sh-2)}
.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(600px 240px at 90% -10%,rgba(255,255,255,.28),transparent 60%),radial-gradient(400px 260px at -5% 120%,rgba(217,52,74,.55),transparent 60%)}
.hero>*{position:relative}
.hero h2{font-size:32px;margin-bottom:6px;color:#fff}.hero p{opacity:.85}
.hero .btn.primary{background:#fff;color:#1d2a78;border-color:#fff;box-shadow:0 10px 24px -8px rgba(0,0,0,.4)}
.hero .btn.primary:hover{background:#f3f4ff}
.hero .btn:not(.primary){background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.3);color:#fff}
.q3{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}
.q3>div{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);border-radius:14px;padding:10px 16px;min-width:92px;backdrop-filter:blur(6px)}
.q3 b{display:block;font:600 26px var(--font-head)}.q3 span{font:600 10.5px var(--font-body);letter-spacing:.1em;text-transform:uppercase;opacity:.8}
.tile{display:flex;gap:14px;align-items:flex-start;text-align:left}
.tile .ico{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:24px;flex-shrink:0;background:color-mix(in srgb,var(--c,var(--brand)) 14%,transparent);color:var(--c,var(--brand))}
.tile h4{font-size:16px;margin-bottom:2px}.tile p{font-size:13px;color:var(--ink-2);line-height:1.4}
.theme-card{border-left:5px solid var(--c);}
.theme-card .em{font-size:26px}

/* ── Heatmap ── */
.heat{display:grid;grid-auto-flow:column;grid-template-rows:repeat(7,14px);gap:4px;overflow-x:auto;padding-bottom:6px}
.heat i{width:14px;height:14px;border-radius:4px;background:var(--surface-3)}
.heat i[data-l="1"]{background:color-mix(in srgb,var(--brand) 25%,var(--surface-3))}.heat i[data-l="2"]{background:color-mix(in srgb,var(--brand) 50%,var(--surface-3))}
.heat i[data-l="3"]{background:color-mix(in srgb,var(--brand) 75%,var(--surface-3))}.heat i[data-l="4"]{background:var(--brand)}
.bars{display:flex;align-items:flex-end;gap:5px;height:130px}
.bars>div{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:6px;height:100%;min-width:0}
.bars i{width:100%;border-radius:6px 6px 2px 2px;background:var(--brand);min-height:2px;transition:height .5s var(--ease)}
.bars span{font:500 10px var(--font-body);color:var(--ink-3)}

/* ── Flashcard study ── */
.study{max-width:760px;margin:0 auto}
.study-top{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.counts{display:flex;gap:14px;font:600 13px var(--font-mono)}
.counts .n{color:var(--new)}.counts .l{color:var(--learn)}.counts .r{color:var(--review)}
.counts .cur{text-decoration:underline;text-underline-offset:4px}
.fc-wrap{perspective:1600px}
.fc{position:relative;min-height:330px;border-radius:28px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-2);padding:34px 34px 28px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s}
.fc:before{content:"";position:absolute;left:0;right:0;top:0;height:6px;background:var(--c,var(--brand))}
.fc .meta{position:absolute;top:18px;left:22px;right:22px;display:flex;justify-content:space-between;align-items:center;gap:8px}
.fc .dir{font:600 11px var(--font-body);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.fc .q{font:600 38px/1.2 var(--font-head);word-break:break-word}
.fc .q.sm{font-size:28px}.fc .q.xs{font-size:22px}
.fc .a{margin-top:22px;padding-top:20px;border-top:1px dashed var(--line-2);font:500 26px/1.3 var(--font-head);color:var(--brand);width:100%;animation:rise .35s var(--ease)}
.fc .a.sm{font-size:21px}
.fc .ex{margin-top:14px;font-size:14.5px;color:var(--ink-2);font-style:italic}
.fc .note{margin-top:8px;font-size:13px;color:var(--ink-3)}
.fc.enter{animation:cardin .4s var(--ease)}
@keyframes cardin{from{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:none}}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes shake{0%,100%{transform:translateX(0)}20%,60%{transform:translateX(-7px)}40%,80%{transform:translateX(7px)}}
.fc.wrong{animation:shake .4s}.fc.right{box-shadow:0 0 0 4px color-mix(in srgb,var(--ok) 35%,transparent),var(--sh-2)}
.rate{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:20px}
.rate button{display:flex;flex-direction:column;align-items:center;gap:2px;padding:12px 8px;border-radius:16px;font-weight:700;border:1.5px solid var(--line-2);background:var(--surface);transition:transform .12s var(--ease),border-color .15s,background .15s}
.rate button small{font:500 11.5px var(--font-mono);opacity:.75}
.rate button kbd{font:600 10px var(--font-mono);opacity:.5}
.rate button:hover{transform:translateY(-2px);box-shadow:var(--sh-1)}
.rate .again{color:var(--rouge);border-color:color-mix(in srgb,var(--rouge) 40%,var(--line-2))}.rate .again:hover{background:var(--rouge-soft)}
.rate .hard{color:var(--warn);border-color:color-mix(in srgb,var(--warn) 40%,var(--line-2))}.rate .hard:hover{background:var(--warn-soft)}
.rate .good{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 40%,var(--line-2))}.rate .good:hover{background:var(--ok-soft)}
.rate .easy{color:var(--info);border-color:color-mix(in srgb,var(--info) 40%,var(--line-2))}.rate .easy:hover{background:var(--info-soft)}
.rate button.sug{box-shadow:0 0 0 3px color-mix(in srgb,currentColor 25%,transparent)}
.showbtn{width:100%;margin-top:20px;padding:16px;font-size:16px}
.typebox{width:100%;margin-top:22px}
.typebox .input{font-size:20px;text-align:center;padding:14px}
.diff{font:600 22px var(--font-head);margin-top:12px}.diff .ok{color:var(--ok)}.diff .bad{color:var(--rouge);text-decoration:underline wavy}
.mcq{display:grid;grid-template-columns:1fr 1fr;gap:10px;width:100%;margin-top:22px}
.mcq button{padding:14px 12px;border-radius:14px;border:1.5px solid var(--line-2);background:var(--surface);font:500 16px var(--font-head);line-height:1.25;transition:all .15s}
.mcq button:hover{border-color:var(--brand-2);background:var(--brand-soft)}
.mcq button.ok{background:var(--ok-soft);border-color:var(--ok);color:var(--ok)}.mcq button.bad{background:var(--rouge-soft);border-color:var(--rouge);color:var(--rouge)}
.hint{margin-top:14px;font:500 13px var(--font-mono);letter-spacing:.2em;color:var(--ink-3)}
.tools{display:flex;gap:6px;justify-content:center;margin-top:16px;flex-wrap:wrap}
.summary-ring{margin:0 auto}
.kbd-help{font:500 12px var(--font-body);color:var(--ink-3);text-align:center;margin-top:14px}
.kbd-help kbd{font:600 11px var(--font-mono);padding:2px 6px;border-radius:5px;border:1px solid var(--line-2);background:var(--surface)}

/* ── Browse list ── */
.list{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);overflow:hidden}
.li{display:flex;align-items:center;gap:14px;padding:12px 16px;border-bottom:1px solid var(--line);transition:background .12s}
.li:last-child{border-bottom:0}.li:hover{background:var(--surface-2)}
.li .fr{font:600 17px var(--font-head)}.li .en{color:var(--ink-2);font-size:14px}
.li .meta{display:flex;gap:6px;flex-wrap:wrap;margin-top:5px}
.li .acts{display:flex;gap:2px;opacity:.55;transition:opacity .15s}.li:hover .acts{opacity:1}
.li input[type=checkbox]{width:17px;height:17px;accent-color:var(--brand)}
.li.susp{opacity:.5}
.status-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0;background:var(--line-2)}
.status-dot.new{background:var(--new)}.status-dot.learn{background:var(--learn)}.status-dot.young{background:var(--warn)}.status-dot.mature{background:var(--review)}
.group-h{padding:10px 16px;background:var(--surface-3);font:600 12px var(--font-body);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);display:flex;align-items:center;gap:10px;position:sticky;top:0;z-index:1}
.filterbar{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(10px);padding:12px 0 10px;margin:-12px 0 8px}
.bulk{position:sticky;bottom:78px;z-index:6;display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:12px 16px;background:var(--ink);color:var(--bg);border-radius:16px;box-shadow:var(--sh-3);margin-top:14px}
.bulk .btn{background:rgba(255,255,255,.12);border-color:transparent;color:inherit}

/* ── Phrase bank / rows ── */
.phrase{display:flex;gap:14px;align-items:flex-start;padding:14px 18px;border-bottom:1px solid var(--line)}
.phrase:last-child{border-bottom:0}
.phrase .fr{font:600 18px/1.35 var(--font-head)}
.phrase .en{color:var(--ink-2);font-size:14px;margin-top:2px}
.phrase .nt{font-size:12.5px;color:var(--ink-3);margin-top:4px}
.tabs{display:flex;gap:4px;overflow-x:auto;border-bottom:1px solid var(--line);margin-bottom:20px;scrollbar-width:none}
.tabs button{padding:12px 16px;font-weight:600;font-size:14px;color:var(--ink-2);border-bottom:3px solid transparent;margin-bottom:-1px;white-space:nowrap}
.tabs button.on{color:var(--brand);border-color:var(--brand)}
.tabs button:hover{color:var(--ink)}

/* ── Grammar / prose ── */
.split{display:grid;grid-template-columns:260px minmax(0,1fr);gap:26px;align-items:start}
.toc{position:sticky;top:20px;max-height:calc(100vh - 40px);overflow-y:auto;display:flex;flex-direction:column;gap:2px;scrollbar-width:thin}
.toc button{text-align:left;padding:9px 12px;border-radius:10px;font-size:13.5px;color:var(--ink-2);font-weight:500;display:flex;gap:10px;align-items:baseline}
.toc button b{font:600 12px var(--font-mono);color:var(--ink-3);min-width:20px}
.toc button:hover{background:var(--surface-3)}.toc button.on{background:var(--brand-soft);color:var(--brand)}
.prose h3{font-size:22px;margin:26px 0 12px}.prose h3:first-child{margin-top:0}
.prose p{margin:10px 0;max-width:72ch}
.callout{display:flex;gap:12px;padding:13px 16px;border-radius:14px;background:var(--warn-soft);color:var(--ink);margin:12px 0;font-size:14.5px;border:1px solid color-mix(in srgb,var(--warn) 30%,transparent)}
.callout.info{background:var(--info-soft);border-color:color-mix(in srgb,var(--info) 30%,transparent)}
.callout.ok{background:var(--ok-soft);border-color:color-mix(in srgb,var(--ok) 30%,transparent)}
.callout>i{font-size:20px;color:var(--warn);flex-shrink:0;margin-top:1px}.callout.info>i{color:var(--info)}.callout.ok>i{color:var(--ok)}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;margin:14px 0;background:var(--surface)}
table.tbl{width:100%;border-collapse:collapse;font-size:14.5px}
.tbl th{background:var(--brand);color:var(--brand-ink);text-align:left;padding:10px 14px;font:600 12.5px var(--font-body);letter-spacing:.04em;white-space:nowrap}
.tbl td{padding:9px 14px;border-top:1px solid var(--line);vertical-align:top}
.tbl tbody tr:nth-child(even){background:var(--surface-2)}
.tbl td:first-child{font-weight:500}
.tbl.fr td{font-family:var(--font-head);font-size:15.5px}

/* ── Text types ── */
.tt-hero{border-radius:var(--r-lg);padding:28px;color:#fff;background:linear-gradient(135deg,var(--c1),var(--c2));position:relative;overflow:hidden;box-shadow:var(--sh-2)}
.tt-hero:after{content:attr(data-ico);position:absolute;right:20px;bottom:-24px;font-size:150px;opacity:.16;line-height:1}
.tt-hero h2{color:#fff;font-size:30px}.tt-hero p{opacity:.9;margin-top:4px}
.tt-hero .tag{background:rgba(255,255,255,.2);color:#fff}
.check{display:flex;gap:11px;align-items:flex-start;padding:9px 0;border-bottom:1px dashed var(--line);cursor:pointer}
.check:last-child{border-bottom:0}
.check .bx{width:22px;height:22px;border-radius:7px;border:2px solid var(--line-2);flex-shrink:0;display:grid;place-items:center;color:transparent;transition:all .15s;margin-top:1px}
.check.on .bx{background:var(--ok);border-color:var(--ok);color:#fff}.check.on span{color:var(--ink-3);text-decoration:line-through}
.phr-chip{display:block;width:100%;text-align:left;padding:10px 14px;border-radius:12px;background:var(--surface-2);border:1px solid var(--line);margin-bottom:8px;font-size:14.5px;transition:all .15s}
.phr-chip:hover{border-color:var(--brand-2);background:var(--brand-soft)}
.phr-chip b{font:600 15.5px var(--font-head);display:block}.phr-chip span{color:var(--ink-2);font-size:13px}
.sample{white-space:pre-wrap;font:400 15.5px/1.75 var(--font-head);padding:22px 26px;background:var(--surface-2);border-radius:16px;border:1px solid var(--line);border-left:5px solid var(--c1,var(--brand))}

/* ── Translate / guide ── */
.qcard{padding:28px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-2)}
.qcard .en{font:600 26px/1.35 var(--font-head)}
.stars{color:var(--warn);letter-spacing:2px}
.key-reveal{margin-top:16px;padding:16px 18px;border-radius:14px;background:var(--ok-soft);border:1px solid color-mix(in srgb,var(--ok) 35%,transparent);font:600 20px/1.4 var(--font-head)}
.timeline{position:relative;padding-left:26px}
.timeline:before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--line-2)}
.timeline>div{position:relative;padding:8px 0 16px}
.timeline>div:before{content:"";position:absolute;left:-24px;top:14px;width:12px;height:12px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.gallery img{width:100%;height:260px;object-fit:cover;object-position:top;border-radius:12px;border:1px solid var(--line);cursor:zoom-in;background:#fff;transition:transform .2s var(--ease)}
.gallery img:hover{transform:scale(1.02)}

/* ── Modal / toast ── */
.overlay{position:fixed;inset:0;background:rgba(10,14,32,.55);backdrop-filter:blur(4px);z-index:60;display:flex;align-items:center;justify-content:center;padding:20px;animation:fade .2s}
.modal{background:var(--surface);border-radius:22px;box-shadow:var(--sh-3);width:min(560px,100%);max-height:90vh;overflow-y:auto;padding:26px;animation:pop .28s var(--ease)}
.modal.wide{width:min(900px,100%)}
.modal h3{font-size:22px;margin-bottom:16px}
@keyframes fade{from{opacity:0}to{opacity:1}}@keyframes pop{from{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}
.toasts{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);z-index:80;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{background:var(--ink);color:var(--bg);padding:11px 20px;border-radius:14px;box-shadow:var(--sh-3);font-weight:500;font-size:14px;animation:pop .25s var(--ease)}
.empty{text-align:center;padding:56px 20px;color:var(--ink-2)}
.empty .big{font-size:52px;margin-bottom:10px}.empty h3{color:var(--ink);margin-bottom:6px}
.spinner{width:18px;height:18px;border-radius:50%;border:2.5px solid var(--line-2);border-top-color:var(--brand);animation:spin .7s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}
.pre{white-space:pre-wrap;line-height:1.65;font-size:14.5px}
.scroll-box{max-height:440px;overflow-y:auto;padding:14px 16px;background:var(--surface-2);border-radius:12px;border:1px solid var(--line)}
details.acc{border:1px solid var(--line);border-radius:14px;background:var(--surface);margin-bottom:10px;overflow:hidden}
details.acc summary{padding:14px 18px;font-weight:600;cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between}
details.acc summary::-webkit-details-marker{display:none}
details.acc summary:after{content:"\eaa0";font-family:tabler-icons;font-size:18px;color:var(--ink-3);transition:transform .2s}
details.acc[open] summary:after{transform:rotate(180deg)}
details.acc .in{padding:0 18px 18px}

/* ── Responsive ── */
@media (max-width:1000px){
  .split{grid-template-columns:1fr}.toc{position:static;max-height:none;flex-direction:row;overflow-x:auto;padding-bottom:6px}.toc button{white-space:nowrap}
  .g4{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:860px){
  .app{grid-template-columns:1fr}.side{display:none}
  .topbar{display:flex;align-items:center;justify-content:space-between;gap:10px;position:sticky;top:0;z-index:20;padding:10px 16px;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
  .topbar h1{font-size:18px}
  .page{padding:20px 16px 110px}
  .ph h2{font-size:25px}
  .bottom-nav{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:30;background:color-mix(in srgb,var(--surface) 94%,transparent);backdrop-filter:blur(14px);border-top:1px solid var(--line);padding:6px 6px calc(6px + env(safe-area-inset-bottom));justify-content:space-around}
  .bottom-nav button{display:flex;flex-direction:column;align-items:center;gap:1px;padding:6px 10px;border-radius:12px;font:600 10.5px var(--font-body);color:var(--ink-3);min-width:56px;position:relative}
  .bottom-nav button i{font-size:22px}.bottom-nav button.on{color:var(--brand)}
  .bottom-nav .badge{position:absolute;top:0;right:4px;min-width:18px;height:17px;font-size:10px}
  .hero{padding:24px}.hero h2{font-size:26px}
  .fc{min-height:280px;padding:28px 20px 22px}.fc .q{font-size:30px}.fc .a{font-size:22px}
  .toasts{bottom:100px}.bulk{bottom:88px}
}
@media (max-width:560px){
  .g2,.g3,.g4{grid-template-columns:1fr}.g-auto{grid-template-columns:1fr}
  .mcq{grid-template-columns:1fr}
  .rate{gap:6px}.rate button{padding:10px 4px;font-size:13px}
}
@media print{.side,.topbar,.bottom-nav,.btn,.tools{display:none!important}.app{display:block}.page{padding:0}}

/* ───────── Oral ───────── */
.oq{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-1);padding:0;margin-bottom:14px;overflow:hidden;border-left:6px solid var(--c,var(--brand));transition:box-shadow .2s var(--ease)}
.oq:hover{box-shadow:var(--sh-2)}
.oq-h{display:flex;gap:14px;align-items:flex-start;padding:18px 20px}
.oq-n{font:600 12px var(--font-mono);color:var(--ink-3);background:var(--surface-3);border-radius:8px;padding:3px 8px;flex-shrink:0;margin-top:3px}
.oq-q{font:600 20px/1.35 var(--font-head);flex:1;min-width:0}
.oq-q .sub{display:block}.oq-q .sub+.sub{margin-top:6px;color:var(--ink-2);font-weight:500;font-size:17px}
.oq-acts{display:flex;gap:2px;flex-shrink:0}
.oq-body{padding:0 20px 18px 66px}
.ans{background:var(--surface-2);border:1px solid var(--line);border-radius:14px;padding:6px 18px;margin-top:4px}
.ans p{margin:12px 0;font:400 16.5px/1.75 var(--font-head)}
.ans .sent{cursor:pointer;border-radius:5px;padding:1px 0;transition:background .15s;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.ans .sent:hover{background:color-mix(in srgb,var(--brand) 13%,transparent)}
.ans .sent.now{background:color-mix(in srgb,var(--warn) 32%,transparent);box-shadow:0 0 0 2px color-mix(in srgb,var(--warn) 32%,transparent)}
.ans mark.cn{background:none;color:var(--brand);font-weight:600;border-bottom:2px solid color-mix(in srgb,var(--brand) 35%,transparent)}
.ans-h{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:14px 0 8px}
.ans-h b{font:600 11px var(--font-body);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.fu{display:flex;flex-direction:column;gap:6px;margin-top:8px}
.fu button{text-align:left;padding:9px 13px;border-radius:12px;background:var(--surface-2);border:1px dashed var(--line-2);font-size:14.5px;display:flex;gap:9px;align-items:flex-start}
.fu button:hover{border-color:var(--brand-2);background:var(--brand-soft)}
.fu i{color:var(--brand);margin-top:3px}
.oq.done{opacity:.78}.oq.done .oq-n{background:var(--ok-soft);color:var(--ok)}
.listen-pop{position:absolute;z-index:70;display:flex;gap:6px;padding:6px;border-radius:12px;background:var(--ink);color:var(--bg);box-shadow:var(--sh-3);animation:pop .18s var(--ease)}
.listen-pop button{display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:9px;font:600 13px var(--font-body);color:inherit}
.listen-pop button:hover{background:rgba(255,255,255,.14)}
.tl{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-radius:18px;overflow:hidden;border:1px solid var(--line)}
.tl>div{padding:20px;background:var(--surface);position:relative}
.tl>div:nth-child(1){background:linear-gradient(135deg,#eef1ff,#fff)}.tl>div:nth-child(2){background:linear-gradient(135deg,#fff3e6,#fff)}.tl>div:nth-child(3){background:linear-gradient(135deg,#e6f7ef,#fff)}
[data-theme="dark"] .tl>div:nth-child(1){background:linear-gradient(135deg,#1c2453,var(--surface))}[data-theme="dark"] .tl>div:nth-child(2){background:linear-gradient(135deg,#3a2b12,var(--surface))}[data-theme="dark"] .tl>div:nth-child(3){background:linear-gradient(135deg,#123528,var(--surface))}
.tl .part{font:600 11px var(--font-body);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}.tl .big{font:600 34px var(--font-head);margin:6px 0 2px}
.script{display:grid;grid-template-columns:auto 1fr;gap:0 14px;align-items:start}
.script .who{font:700 11px var(--font-body);letter-spacing:.08em;text-transform:uppercase;padding:4px 10px;border-radius:99px;margin-top:14px;text-align:center}
.script .who.m{background:var(--brand-soft);color:var(--brand)}.script .who.c{background:var(--ok-soft);color:var(--ok)}
.script .line{padding:12px 0;border-bottom:1px dashed var(--line)}
.script .line .fr{font:600 18px/1.4 var(--font-head)}.script .line .en{color:var(--ink-2);font-size:13.5px;margin-top:2px}
.crit{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed var(--line)}.crit:last-child{border-bottom:0}
.crit .ico{width:38px;height:38px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:20px;flex-shrink:0}
.wheel-wrap{position:relative;width:min(92vw,520px);margin:0 auto;aspect-ratio:1}
.wheel-wrap canvas{width:100%;height:100%;border-radius:50%;box-shadow:var(--sh-3)}
.wheel-pin{position:absolute;left:50%;top:-10px;transform:translateX(-50%);width:0;height:0;border-left:16px solid transparent;border-right:16px solid transparent;border-top:34px solid var(--rouge);filter:drop-shadow(0 3px 3px rgba(0,0,0,.35));z-index:2}
.wheel-hub{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:26%;aspect-ratio:1;border-radius:50%;background:var(--surface);box-shadow:var(--sh-2);display:grid;place-items:center;font:700 16px var(--font-head);z-index:2;border:4px solid var(--brand)}
.mock{max-width:820px;margin:0 auto}
.mock-top{display:flex;gap:14px;align-items:center;margin-bottom:16px;flex-wrap:wrap}
.mock-stage{border-radius:var(--r-lg);padding:30px 28px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-2);text-align:center;min-height:300px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px}
.examiner{width:84px;height:84px;border-radius:50%;background:linear-gradient(135deg,#25348e,#5b72f0);display:grid;place-items:center;font-size:38px;color:#fff;box-shadow:0 10px 30px -10px #25348e;position:relative}
.examiner.talking:after{content:"";position:absolute;inset:-8px;border-radius:50%;border:3px solid var(--brand-2);animation:pulse 1.1s ease-out infinite}
@keyframes pulse{from{opacity:.8;transform:scale(.9)}to{opacity:0;transform:scale(1.35)}}
.mock-cap{font:600 26px/1.35 var(--font-head);max-width:640px}
.mock-cap.en{font-family:var(--font-body);font-size:20px;color:var(--ink-2)}
.donebtn{padding:16px 38px;font-size:18px;border-radius:18px}
.livebox{width:100%;max-width:640px;text-align:left;font-size:15px;color:var(--ink-2);background:var(--surface-2);border:1px dashed var(--line-2);border-radius:14px;padding:12px 16px;min-height:52px}
.recdot{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--rouge);animation:pulse 1s infinite;margin-right:6px}
.timers{display:flex;gap:10px;width:100%;flex-wrap:wrap}.timers>div{flex:1;min-width:150px}
.timers .lab{display:flex;justify-content:space-between;font:600 12px var(--font-body);color:var(--ink-3);margin-bottom:5px}
@media (max-width:700px){.tl{grid-template-columns:1fr}.oq-body{padding-left:20px}.oq-h{padding:16px}.oq-q{font-size:18px}.mock-stage{padding:22px 16px}}
@media (max-width:700px){.oq-h{flex-wrap:wrap;gap:10px}.oq-q{flex:1 1 calc(100% - 52px);order:2}.oq-n{order:1}.oq-acts{order:3;width:100%;justify-content:flex-end;border-top:1px dashed var(--line);padding-top:6px}}

/* ── games ── */
.bslots{min-height:64px;width:100%;margin-top:22px;padding:12px;border:2px dashed var(--line-2);border-radius:16px;display:flex;flex-wrap:wrap;gap:8px;justify-content:center;align-items:center;background:var(--surface-2)}
.bchips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:14px}
.bchip{padding:9px 15px;border-radius:12px;border:1.5px solid var(--line-2);background:var(--surface);font:600 18px var(--font-head);transition:transform .12s var(--ease),opacity .15s}
.bchip:hover:not([disabled]){transform:translateY(-2px);border-color:var(--brand-2)}
.bchip[disabled]{opacity:.25;pointer-events:none}.bchip.on{background:var(--brand-soft);border-color:var(--brand);color:var(--brand)}
.mgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.mtile{min-height:84px;padding:10px;border-radius:16px;border:1.5px solid var(--line-2);background:var(--surface);font:600 17px/1.25 var(--font-head);transition:transform .15s var(--ease),background .2s,opacity .3s;display:grid;place-items:center;text-align:center}
.mtile.en{font-family:var(--font-body);font-weight:500;font-size:15px;background:var(--surface-2)}
.mtile:hover:not([disabled]){transform:translateY(-2px);border-color:var(--brand-2)}
.mtile.sel{background:var(--brand-soft);border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 25%,transparent)}
.mtile.bad{background:var(--rouge-soft);border-color:var(--rouge);animation:shake .4s}
.mtile.found{background:var(--ok-soft);border-color:var(--ok);opacity:.35;pointer-events:none}
@media (max-width:640px){.mgrid{grid-template-columns:repeat(2,1fr)}.mtile{min-height:70px}}

/* ── Sign-in screen ── */
.auth{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0;padding:24px}
.auth .brand-big{padding:0 0 20px}
.auth .brand-big .brand-mark{width:64px;height:64px;border-radius:18px}
.auth .brand-big .brand-mark b{font-size:26px}
.auth-err{color:var(--rouge);font-size:13px;font-weight:600;margin-top:8px}
@media (max-width:640px){.auth{padding:16px}}