:root{--ink:#1E1A3C;--muted:#7A7698;--line:#ECEAF4;--bg:#fff;--soft:#F7F6FC;--card:#fff;--app:#FFFEFB;--page:#F4F1EA;--line2:#EEEAE2;--tint:#F3F0FF;--tintb:#D9D1FF;--goldbg1:#FFF4D6;--goldbg2:#FFE3A0;--badbg2:#FFF9F9;--hero1:#1E1A3C;--hero2:#3B2B8F;
--vi:#7C5CFF;--vid:#5A3BDB;--gold:#FFB703;--goldd:#D98E04;--ok:#12B886;--okd:#0A8F68;--okbg:#E3FAF0;--okt:#08795A;
--bad:#F2545B;--badd:#C7323A;--badbg:#FFEDEE;--badt:#C2303A;--sky:#0EA5E9;--skyd:#0377B3;--flame:#FF7A1A;--gem:#3BA9FF;--heart:#F2545B;
--f:'Nunito','Tajawal',system-ui,sans-serif}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--page);color:var(--ink);font-family:var(--f);font-weight:700}
body{min-height:100dvh}
#app{max-width:480px;margin:0 auto;min-height:100dvh;background:var(--app);position:relative;box-shadow:0 0 0 1px rgba(30,26,60,.04),0 20px 60px rgba(30,26,60,.05)}
button{font-family:inherit;font-weight:800;cursor:pointer;border:0;color:inherit}
.ltr{direction:ltr;text-align:left;unicode-bidi:isolate}
img{-webkit-user-drag:none;user-select:none}
/* 3D buttons */
.b3{--c:var(--vi);--cd:var(--vid);background:var(--c);color:#fff;border-radius:16px;border-bottom:4px solid var(--cd);padding:13px 18px;font-size:16px;letter-spacing:.3px;transition:transform .06s,border-width .06s,filter .15s;position:relative}
.b3:active:not(:disabled){transform:translateY(3px);border-bottom-width:1px;margin-bottom:3px}
.b3:disabled{--c:var(--line2);--cd:#D2D0E0;color:#A9A6C0;cursor:default}
.b3.big{width:100%;font-size:17px;padding:15px}
.b3.ok{--c:var(--ok);--cd:var(--okd)}.b3.bad{--c:var(--bad);--cd:var(--badd)}.b3.gold{--c:var(--gold);--cd:var(--goldd);color:#3A2600}
.b3.ghost{--c:var(--card);--cd:var(--line);color:var(--vi);border:2px solid var(--line);border-bottom-width:4px}
.b3.sky{--c:var(--sky);--cd:var(--skyd)}
/* top bar */
.top{position:sticky;top:0;z-index:30;background:rgba(255,254,251,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);display:flex;align-items:center;justify-content:space-between;padding:12px 18px;border-bottom:1px solid var(--line2)}
.brand{display:flex;align-items:center;gap:8px;font-weight:900;font-size:15px}
.brand .chip{background:linear-gradient(135deg,var(--vi),#9B7BFF);color:#fff;border-radius:10px;padding:5px 9px;font-size:13px;letter-spacing:.5px;box-shadow:0 3px 0 var(--vid)}
.stats{display:flex;gap:14px}
.st{display:flex;align-items:center;gap:4px;font-size:16px;font-weight:900;background:none;padding:4px 2px}
.st svg{width:24px;height:24px}
.st.fl{color:var(--flame)}.st.gm{color:var(--gem)}.st.hr{color:var(--heart)}
.st.off{color:#BDBACF}.st.off svg{filter:grayscale(1);opacity:.6}
/* challenge */
.ch90{margin:16px 16px 4px;border-radius:20px;padding:14px 16px;display:flex;gap:12px;align-items:center;background:linear-gradient(120deg,#1E1A3C,#3B2B8F 60%,#6B4BFF);color:#fff;text-align:right;width:calc(100% - 32px);box-shadow:0 4px 0 #140F33,0 14px 30px -16px #3B2B8F;position:relative;overflow:hidden}
.ch90:active{transform:translateY(3px);box-shadow:0 3px 0 #140F33}
.ch90 .n{font-family:Nunito;font-weight:900;font-size:30px;min-width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 35% 30%,#FFE08A,#FFB703 60%,#D98E04);color:#3A2600;box-shadow:inset 0 -4px 0 rgba(0,0,0,.15)}
.ch90 b{display:block;font-size:16px}.ch90 small{display:block;opacity:.85;font-size:12.5px;margin-top:3px;line-height:1.5;font-weight:500}
.ch90:after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.18) 50%,transparent 60%);transform:translateX(-120%);animation:shine 4s infinite}
@keyframes shine{60%,100%{transform:translateX(120%)}}
/* unit */
.unit{padding-bottom:20px}
.ub{position:relative;z-index:5;margin:10px 16px 0;background:linear-gradient(135deg,var(--c),var(--cd));color:#fff;border-radius:18px;padding:10px 10px 10px 12px;display:flex;align-items:center;justify-content:space-between;gap:8px;box-shadow:0 1px 0 rgba(255,255,255,.25) inset,0 10px 24px -14px var(--cd)}
.ub small{display:block;opacity:.85;font-size:11.5px;font-weight:700;letter-spacing:.2px}.ub b{font-size:17px;font-weight:800;display:block;margin-top:1px;line-height:1.3}
.guide{background:rgba(255,255,255,.16);border:1.5px solid rgba(255,255,255,.4);color:#fff;border-radius:13px;padding:7px 10px;display:flex;align-items:center;gap:5px;font-size:12.5px;border-bottom-width:4px;flex:none}
.guide svg{width:20px;height:20px}
.guide:active{transform:translateY(2px);border-bottom-width:2px}
.path{position:relative;display:flex;flex-direction:column;align-items:center;padding:62px 88px 48px;gap:54px}
.path:before{content:"";position:absolute;top:28px;bottom:24px;left:50%;width:0;border-left:3px dotted var(--line2);transform:translateX(-50%);z-index:0}
.nrow{position:relative;transform:translateX(var(--x));display:flex;flex-direction:column;align-items:center}
.node{width:72px;height:66px;border-radius:50%;background:var(--c);border-bottom:8px solid var(--cd);display:grid;place-items:center;position:relative;transition:transform .08s}
.node svg{width:34px;height:34px;fill:#fff}
.node:active{transform:translateY(5px);border-bottom-width:3px}
.node.lock{background:var(--line2);border-color:#CFCDE0}.node.lock svg{fill:#B3B0C8}
.node.done{background:var(--gold);border-color:var(--goldd)}
.node.cur{animation:bob 1.6s ease-in-out infinite}
.node.cur:before{content:"";position:absolute;inset:-11px;border-radius:50%;border:6px solid var(--line2);border-top-color:var(--c);border-right-color:var(--c);z-index:-1}
.node.k-chest,.node.k-trophy{background:transparent;border:0;width:82px;height:76px}
.node.k-chest svg,.node.k-trophy svg{width:76px;height:76px}
.node.k-chest.lock svg,.node.k-trophy.lock svg{filter:grayscale(1);opacity:.45}
.node.k-chest.cur,.node.k-trophy.cur{animation:wig 2.2s ease-in-out infinite}
.node.k-chest.cur:before,.node.k-trophy.cur:before{display:none}
.tip{position:absolute;top:-46px;background:var(--card);color:var(--c);border:2px solid var(--line);border-radius:12px;padding:7px 14px;font-weight:900;font-size:14px;white-space:nowrap;animation:bob 1.6s ease-in-out infinite;z-index:3;letter-spacing:.5px}
.tip:after{content:"";position:absolute;bottom:-8px;left:50%;margin-left:-7px;width:12px;height:12px;background:var(--card);border-right:2px solid var(--line);border-bottom:2px solid var(--line);transform:rotate(45deg)}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes wig{0%,80%,100%{transform:rotate(0)}85%{transform:rotate(-8deg)}90%{transform:rotate(8deg)}95%{transform:rotate(-4deg)}}
.pmascot{position:absolute;width:118px;top:40%;pointer-events:none;filter:drop-shadow(0 6px 8px rgba(30,26,60,.12))}
.pop{position:absolute;top:84px;z-index:25;width:270px;background:var(--c);color:#fff;border-radius:18px;padding:16px;box-shadow:0 14px 30px -12px rgba(0,0,0,.35);animation:popin .18s ease-out;text-align:right}
.pop.lockp{background:var(--card);color:var(--muted);border:2px solid var(--line)}
.pop b{display:block;font-size:17px}.pop p{margin:4px 0 12px;opacity:.9;font-size:14px;font-weight:500}
.pop{--uc:var(--c)}.pop .b3{--c:var(--card);--cd:rgba(0,0,0,.15);color:var(--uc);width:100%}
.pop:before{content:"";position:absolute;top:-8px;left:calc(50% + var(--ax,0px));margin-left:-8px;width:16px;height:16px;background:inherit;transform:rotate(45deg);border-radius:3px}
.pop.lockp:before{border-left:2px solid var(--line);border-top:2px solid var(--line)}
@keyframes popin{from{opacity:0;scale:.96}}
.endnote{text-align:center;color:var(--muted);font-size:13px;padding:10px 30px 120px;font-weight:500;line-height:1.7}
/* nav */
.nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:480px;background:rgba(255,254,251,.96);backdrop-filter:blur(14px);border-top:1px solid var(--line2);display:flex;justify-content:space-around;padding:8px 6px calc(8px + env(safe-area-inset-bottom));z-index:40}
.nav button{background:none;border:2px solid transparent;border-radius:14px;padding:6px 12px;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11.5px;color:var(--muted)}
.nav button svg{width:28px;height:28px}
.nav button.on{border-color:var(--tintb);background:var(--tint);color:var(--vi)}
/* generic page */
.page{padding:18px 16px 120px}
.h1{font-size:24px;font-weight:800;margin:6px 0 4px}.sub{color:var(--muted);font-weight:500;margin:0 0 16px;line-height:1.6}
.card{border:2px solid var(--line);border-radius:18px;padding:16px;margin-bottom:12px;background:var(--card)}
.note{background:var(--tint);color:#4B3AA8;border-radius:14px;padding:10px 12px;font-size:13px;font-weight:600;line-height:1.6;margin-bottom:12px}
.lb{list-style:none;margin:0;padding:0}
.lb li{display:flex;align-items:center;gap:12px;padding:10px 8px;border-radius:14px}
.lb li.me{background:var(--tint);outline:2px solid var(--tintb)}
.lb .r{width:26px;text-align:center;font-family:Nunito;font-weight:900;color:var(--muted)}
.lb li:nth-child(1) .r{color:var(--goldd)}.lb li:nth-child(2) .r{color:#8E95A8}.lb li:nth-child(3) .r{color:#C77B3B}
.lb .av{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:17px;font-weight:800}
.lb .nm{flex:1;font-size:15px}.lb .xp{font-family:Nunito;font-weight:900;color:var(--muted);font-size:14px}
.zone{text-align:center;font-size:12px;color:var(--okt);font-weight:800;border-top:2px dashed #BDEBD8;margin:6px 0;padding-top:6px}
.shield{width:84px;height:84px;margin:0 auto 6px;display:block}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.stat{border:2px solid var(--line);border-radius:16px;padding:12px;display:flex;gap:10px;align-items:center}
.stat svg{width:28px;height:28px;flex:none}.stat b{display:block;font-family:Nunito;font-size:19px;font-weight:900}.stat small{color:var(--muted);font-size:12px;font-weight:600}
.badges{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.bdg{text-align:center;font-size:12px;font-weight:700;color:var(--ink)}
.bdg i{display:grid;place-items:center;width:72px;height:72px;margin:0 auto 6px;border-radius:22px;font-style:normal;font-size:32px;background:linear-gradient(145deg,#FFE08A,#FFB703);box-shadow:inset 0 -5px 0 rgba(0,0,0,.12)}
.bdg.off{color:#B3B0C8}.bdg.off i{background:var(--tint);filter:grayscale(1);opacity:.7;box-shadow:none}
.prof{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.prof .av{width:76px;height:76px;border-radius:50%;background:linear-gradient(135deg,var(--vi),#B49CFF);display:grid;place-items:center;overflow:hidden;border:3px solid var(--card);box-shadow:0 0 0 2px var(--tintb)}
.prof .av img{width:84%}
.seg{display:flex;gap:8px;flex-wrap:wrap}.seg button{flex:1;padding:10px 0;border-radius:12px;background:var(--card);border:2px solid var(--line);border-bottom-width:4px;font-family:Nunito}
.seg button.on{border-color:var(--vi);color:var(--vi);background:var(--tint)}
.prc{display:flex;gap:14px;align-items:center;text-align:right;width:100%;background:var(--card);border:2px solid var(--line);border-bottom-width:5px;border-radius:18px;padding:14px;margin-bottom:12px}
.prc:active{transform:translateY(3px);border-bottom-width:2px}
.prc .ic{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;font-size:26px;flex:none}
.prc b{display:block;font-size:16px}.prc small{color:var(--muted);font-weight:500;font-size:13px}
/* lesson */
.lesson{position:fixed;inset:0;max-width:480px;margin:0 auto;background:var(--app);display:flex;flex-direction:column;z-index:50}
.lh{display:flex;align-items:center;gap:14px;padding:14px 16px 8px}
.lh .x{background:none;padding:4px;color:#B3B0C8}.lh .x svg{width:26px;height:26px}
.pbar{flex:1;height:16px;background:var(--line);border-radius:99px;overflow:hidden;direction:rtl}
.pbar i{display:block;height:100%;width:0;background:linear-gradient(180deg,#7EE2BE,var(--ok));border-radius:99px;transition:width .45s cubic-bezier(.3,1.4,.5,1);position:relative}
.pbar i:after{content:"";position:absolute;top:3px;right:8px;left:8px;height:4px;border-radius:9px;background:rgba(255,255,255,.45)}
.lh .hc{display:flex;align-items:center;gap:4px;color:var(--heart);font-family:Nunito;font-weight:900;font-size:17px}.lh .hc svg{width:26px;height:26px}
.lh .hc.shake{animation:shake .5s}
@keyframes shake{20%,60%{transform:translateX(-5px)}40%,80%{transform:translateX(5px)}}
.lb2{flex:1;overflow-y:auto;padding:10px 18px 24px}
.lb2 .qtype{font-size:21px;font-weight:800;margin:6px 0 14px}
.qtext{font-size:19px;line-height:1.5;margin:0 0 16px;font-weight:800}
.opts{display:grid;gap:10px}
.opt{display:flex;align-items:center;gap:12px;width:100%;background:var(--card);border:2px solid var(--line);border-bottom-width:4px;border-radius:16px;padding:13px 14px;font-size:16px;font-weight:700;text-align:left;direction:ltr;transition:background .1s}
.opt .k{flex:none;width:28px;height:28px;border:2px solid var(--line);border-radius:9px;display:grid;place-items:center;color:var(--muted);font-family:Nunito;font-size:14px}
.opt:active{transform:translateY(2px);border-bottom-width:2px}
.opt.sel{border-color:#A796FF;background:var(--tint);color:var(--vid)}.opt.sel .k{border-color:#A796FF;color:var(--vi)}
.opt.right{border-color:#7EDCB8;background:var(--okbg);color:var(--okt)}
.opt.wrong{border-color:#F7A3A7;background:var(--badbg);color:var(--badt)}
.lock-ui .opt,.lock-ui .tile,.lock-ui .part{pointer-events:none}
.passage{border:2px solid var(--line);border-radius:16px;margin-bottom:14px;background:var(--soft)}
.passage summary{padding:11px 14px;font-weight:800;cursor:pointer;list-style:none;display:flex;justify-content:space-between;font-size:14px;color:var(--vid)}
.passage .tx{max-height:34vh;overflow:auto;padding:0 14px 12px;font-size:14.5px;line-height:1.7;font-weight:600;color:#3A3660}
.passage .tx p{margin:0 0 8px}
.bubble{display:flex;align-items:flex-end;gap:10px;margin-bottom:18px}
.bubble img{width:92px;flex:none}
.bubble .bx{position:relative;border:2px solid var(--line);border-radius:16px;padding:12px 14px;font-size:17px;line-height:1.5;font-weight:800;flex:1}
.bubble .bx:before{content:"";position:absolute;bottom:16px;right:-9px;width:14px;height:14px;background:var(--card);border-right:2px solid var(--line);border-top:2px solid var(--line);transform:rotate(45deg)}
.ansline{min-height:116px;border-bottom:2px solid var(--line);display:flex;flex-wrap:wrap;align-content:flex-start;gap:8px;padding:8px 0 12px;direction:ltr;background:repeating-linear-gradient(transparent 0 56px,var(--line) 56px 58px)}
.bankz{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:22px;direction:ltr}
.tile{background:var(--card);border:2px solid var(--line);border-bottom-width:4px;border-radius:13px;padding:9px 14px;font-size:16.5px;font-weight:800;animation:popin .15s}
.tile:active{transform:translateY(2px);border-bottom-width:2px}
.tile.ph{background:var(--line);border-color:var(--line);color:transparent;pointer-events:none;animation:none}
.speak{display:flex;gap:14px;align-items:center;justify-content:center;margin:6px 0 20px}
.spk{width:96px;height:96px;border-radius:24px}
.spk svg{width:44px;height:44px;fill:#fff}
.spk.slow{width:66px;height:66px;border-radius:18px}.spk.slow svg{width:34px;height:34px}
.spk.playing{animation:pulse 1s infinite}
@keyframes pulse{50%{filter:brightness(1.12);box-shadow:0 0 0 8px rgba(14,165,233,.15)}}
.errsent{font-size:19px;line-height:2.3;font-weight:800;margin:8px 0 10px}
.part{display:inline;background:none;font-size:inherit;padding:2px 4px;border-radius:8px;border-bottom:3px solid #A796FF;color:var(--vid)}
.part.sel{background:var(--tint)}.part.right{background:var(--okbg);border-color:var(--ok);color:var(--okt)}.part.wrong{background:var(--badbg);border-color:var(--bad);color:var(--badt)}
.mgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mcol{display:grid;gap:10px}
.mt{border:2px solid var(--line);border-bottom-width:4px;border-radius:14px;padding:14px 8px;font-size:15.5px;font-weight:800;background:var(--card);min-height:58px;transition:opacity .3s,background .15s}
.mt.sel{border-color:#A796FF;background:var(--tint);color:var(--vid)}
.mt.ok{border-color:#7EDCB8;background:var(--okbg);color:var(--okt)}
.mt.gone{opacity:.35;pointer-events:none;background:var(--soft);color:#B3B0C8;border-color:var(--line)}
.mt.no{border-color:#F7A3A7;background:var(--badbg);color:var(--badt);animation:shake .4s}
.lf{padding:14px 18px calc(16px + env(safe-area-inset-bottom));border-top:2px solid var(--line)}
.sheet{position:absolute;bottom:0;left:0;right:0;padding:18px 18px calc(18px + env(safe-area-inset-bottom));transform:translateY(105%);transition:transform .28s cubic-bezier(.2,.9,.3,1.1);max-height:74vh;overflow:auto;z-index:5}
.sheet.show{transform:none}
.sheet.ok{background:var(--okbg);color:var(--okt)}.sheet.bad{background:var(--badbg);color:var(--badt)}
.shr{display:flex;gap:12px;align-items:center;margin-bottom:14px}
.shr img{width:64px;flex:none}
.shr h3{margin:0;font-size:23px;font-weight:800}
.combo{margin:4px 0 0;font-weight:800;color:var(--flame);font-size:15px}
.ans{font-size:17px;margin:4px 0 8px;font-weight:800}
.why{background:rgba(255,255,255,.7);border-radius:14px;padding:11px 13px;font-size:14.5px;line-height:1.75;font-weight:600;color:var(--ink);margin-bottom:12px}
.why b{color:inherit}
.chosen{font-size:14px;margin:0 0 10px;opacity:.9}
.lnk{background:none;color:inherit;text-decoration:underline;font-size:14px;padding:0 0 12px}
.trans{background:rgba(255,255,255,.7);border-radius:14px;padding:10px 12px;font-size:14px;line-height:1.7;color:var(--ink);margin-bottom:12px;font-weight:600}
/* full screens */
.full{position:fixed;inset:0;max-width:480px;margin:0 auto;background:var(--app);z-index:60;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px 22px calc(24px + env(safe-area-inset-bottom));text-align:center}
.full .grow{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%}
.full h2{font-size:27px;font-weight:800;margin:14px 0 6px;color:var(--ink)}
.full p{color:var(--muted);font-weight:600;margin:0 0 10px;line-height:1.6}
.full .acts{width:100%;display:grid;gap:10px}
.bigm{width:170px}
.rs{display:flex;gap:10px;width:100%;margin-top:18px}
.rs div{flex:1;border-radius:16px;border:2px solid var(--c);overflow:hidden;animation:rise .5s both}
.rs div:nth-child(2){animation-delay:.12s}.rs div:nth-child(3){animation-delay:.24s}
.rs small{display:block;background:var(--c);color:#fff;font-size:12px;padding:5px 0;font-weight:800}
.rs b{display:flex;align-items:center;justify-content:center;gap:4px;padding:12px 0;font-family:Nunito;font-weight:900;font-size:21px;color:var(--c)}
@keyframes rise{from{opacity:0;transform:translateY(16px)}}
.flame{width:150px;height:170px;animation:flick 1.2s ease-in-out infinite;transform-origin:50% 90%}
@keyframes flick{0%,100%{transform:scale(1) rotate(-1deg)}50%{transform:scale(1.05,1.09) rotate(1.5deg)}}
.snum{font-family:Nunito;font-size:76px;font-weight:900;color:var(--flame);line-height:1;margin-top:-12px;animation:popnum .6s cubic-bezier(.3,1.8,.5,1)}
@keyframes popnum{from{transform:scale(.3);opacity:0}}
.week{display:flex;justify-content:space-between;gap:6px;width:100%;border:2px solid var(--line);border-radius:18px;padding:14px 12px;margin:18px 0 6px}
.week div{flex:1;font-size:12px;color:var(--muted);font-weight:700}
.week i{display:grid;place-items:center;width:34px;height:34px;margin:6px auto 0;border-radius:50%;background:var(--line);font-style:normal}
.week i.on{background:linear-gradient(180deg,#FFB347,var(--flame));color:#fff;box-shadow:inset 0 -3px 0 rgba(0,0,0,.12)}
.week i.td{outline:3px solid #FFD5B0}
.ring{width:190px;height:190px}
.ring circle{fill:none;stroke-width:16}
.ring .bg{stroke:var(--line)}.ring .fg{stroke:url(#gg);stroke-linecap:round;transition:stroke-dashoffset 1.1s cubic-bezier(.3,1,.4,1)}
.ringw{position:relative}.ringw .c{position:absolute;inset:0;display:grid;place-items:center;align-content:center}
.ringw .c b{font-family:Nunito;font-size:38px;font-weight:900}.ringw .c small{color:var(--muted);font-weight:700}
/* overlays */
.mask{position:fixed;inset:0;background:rgba(20,16,45,.5);z-index:80;display:flex;align-items:flex-end;justify-content:center;animation:fade .2s}
@keyframes fade{from{opacity:0}}
.dlg{background:var(--card);width:100%;max-width:480px;border-radius:24px 24px 0 0;padding:22px 18px calc(18px + env(safe-area-inset-bottom));animation:up .25s cubic-bezier(.2,.9,.3,1.1);max-height:92vh;overflow:auto;text-align:center}
@keyframes up{from{transform:translateY(100%)}}
.dlg h3{font-size:21px;margin:8px 0 6px}.dlg p{color:var(--muted);font-weight:600;line-height:1.6;margin:0 0 16px}
.dlg .acts{display:grid;gap:10px}
.dlg .lnkb{background:none;color:var(--bad);font-size:15px;padding:10px}
.conds{text-align:right;margin:0 0 16px;padding:0;list-style:none;display:grid;gap:8px}
.conds li{background:var(--soft);border-radius:14px;padding:11px 13px;font-weight:700;display:flex;gap:10px;align-items:center;font-size:14.5px}
.conds li i{font-style:normal;width:26px;height:26px;border-radius:50%;background:var(--vi);color:#fff;display:grid;place-items:center;font-family:Nunito;font-size:13px;flex:none}
.tips{text-align:right}
.tabs{display:flex;background:var(--line);border-radius:14px;padding:4px;margin:4px 0 14px}
.tabs button{flex:1;padding:9px;border-radius:11px;background:none;color:var(--muted)}
.tabs button.on{background:var(--card);color:var(--vid);box-shadow:0 2px 0 rgba(0,0,0,.06)}
.slide img{width:100%;border-radius:14px;display:block;aspect-ratio:16/9;object-fit:cover;background:#1E2A44}
.slide .cap{font-weight:800;margin:10px 0 0;font-size:16px}
.snav{display:flex;align-items:center;justify-content:space-between;margin-top:12px}
.dots{display:flex;gap:6px}.dots i{width:8px;height:8px;border-radius:9px;background:#D7D5E4}.dots i.on{width:22px;background:var(--vi)}
video{width:100%;border-radius:14px;background:#000;display:block}
.vlist{display:grid;gap:12px}
.vlist b{display:block;margin-bottom:6px}
/* mascot anims */
.m-bounce{animation:mb 1.8s ease-in-out infinite}
@keyframes mb{0%,100%{transform:translateY(0) scale(1,1)}45%{transform:translateY(-10px) scale(.98,1.02)}55%{transform:translateY(-10px)}90%{transform:translateY(0) scale(1.04,.96)}}
.m-wiggle{animation:mw 1.1s ease-in-out}
@keyframes mw{0%,100%{transform:rotate(0)}20%{transform:rotate(-10deg)}40%{transform:rotate(9deg)}60%{transform:rotate(-6deg)}80%{transform:rotate(3deg)}}
.m-celebrate{animation:mc 1.1s cubic-bezier(.3,1.6,.5,1) infinite}
@keyframes mc{0%,100%{transform:translateY(0) rotate(0) scale(1)}30%{transform:translateY(-22px) rotate(-6deg) scale(1.06)}60%{transform:translateY(0) rotate(4deg) scale(1.02,.96)}}
.m-sad{animation:ms 2.4s ease-in-out infinite;filter:saturate(.75)}
@keyframes ms{0%,100%{transform:rotate(-3deg) translateY(2px)}50%{transform:rotate(3deg) translateY(4px)}}
.m-pop{animation:popnum .6s cubic-bezier(.3,1.8,.5,1)}
#confetti{position:fixed;inset:0;pointer-events:none;z-index:200;width:100%;height:100%}
.toast{position:fixed;top:18px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:14px;z-index:300;font-size:14px;animation:popin .2s}
@media (min-width:600px){body{padding:0}}
.mascot{filter:drop-shadow(0 6px 10px rgba(30,26,60,.14))}
.flamewrap{position:relative;width:220px;display:flex;justify-content:center}
.flamewrap .sm-cel{position:absolute;width:96px;bottom:-6px;left:-10px}
.pmascot{width:98px;top:34%;z-index:0}
.shr img{width:92px;margin:-18px 0 -8px}
.bubble img{width:96px}
.nrow{z-index:1}.nrow.popon{z-index:19}
.node{z-index:1;box-shadow:0 10px 18px -12px rgba(30,26,60,.35)}.node.k-chest,.node.k-trophy{box-shadow:none}
.full .bigm{margin-top:4vh}
/* ===== STEP exam ===== */
.mkcard{margin:14px 16px 0;display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line2);border-radius:20px;padding:14px;box-shadow:0 10px 24px -18px rgba(30,26,60,.35)}
.mkcard .mk-ic{width:52px;height:52px;flex:none;border-radius:16px;display:grid;place-items:center;background:var(--soft)}
.mkcard .mk-ic svg{width:34px;height:34px}.mkcard.locked .mk-ic svg{width:24px;height:24px;fill:#B3B0C8}
.mkcard .mk-ic.on{background:linear-gradient(145deg,var(--goldbg1),var(--goldbg2))}
.mk-tx{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}.mk-tx b{font-size:16px}.mk-tx small{color:var(--muted);font-weight:600;font-size:12.5px}
.mkcard.locked b{color:#8E8AA8}
.mk-bar{display:block;height:7px;border-radius:9px;background:var(--line2);overflow:hidden;margin-top:4px}.mk-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--vi),#A48BFF);border-radius:9px}
.mk-sc{display:flex;gap:12px;font-size:12px;color:var(--muted);font-weight:700;margin-top:2px}.mk-sc b{color:var(--ink);font-family:Nunito}
.mkcard .b3{padding:11px 16px;font-size:15px;flex:none}
.mk{position:fixed;inset:0;max-width:480px;margin:0 auto;background:var(--app);display:flex;flex-direction:column;z-index:50}
.mkh{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 14px;border-bottom:1px solid var(--line2)}
.mkh .x{background:none;color:#B3B0C8;padding:4px;width:34px}.mkh .x svg{width:24px;height:24px}
.mkh-c{flex:1;display:flex;align-items:center;gap:8px;min-width:0}.mkh-c b{display:block;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mkh-c small{color:var(--muted);font-size:12px;font-weight:700}
.mk-or{width:34px;height:34px;object-fit:contain;flex:none}
.mkt{font-family:Nunito;font-weight:900;font-size:17px;background:var(--tint);color:var(--vid);border-radius:12px;padding:6px 10px;min-width:78px;text-align:center}
.mkt.warn{background:var(--badbg);color:var(--badt);animation:pulse 1.4s infinite}
.mkpr{height:4px;background:var(--line2)}.mkpr i{display:block;height:100%;background:var(--vi);transition:width .3s}
.mkb{flex:1;overflow-y:auto;padding:16px 18px 24px}
.mkf{display:flex;gap:8px;padding:12px 14px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--line2);background:var(--app)}
.mkf .b3{flex:1;padding:12px 6px;font-size:14.5px}.mkf .b3.ghost{color:var(--vid)}.mkf.one .b3{flex:1}
.mk-si{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.mk-num{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;font-family:Nunito;font-weight:900;font-size:28px;color:#fff;background:linear-gradient(135deg,var(--vi),var(--vid));box-shadow:0 10px 22px -10px var(--vid)}
.mk-si h2{font-size:24px;margin:14px 0 4px}.mk-si-n{font-weight:800;color:var(--vid);margin:0 0 10px}.mk-si-t{color:#4A4668;font-weight:600;line-height:1.8;max-width:330px;margin:0}
.clip{border:1px solid var(--line2);background:linear-gradient(180deg,var(--tint),var(--card));border-radius:18px;padding:12px 14px;margin-bottom:16px}
.clip-t{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);font-weight:700;margin-bottom:10px}
.clip-r{display:flex;align-items:center;gap:14px}.clip .spk{width:64px;height:64px;border-radius:18px;flex:none}.clip .spk svg{width:32px;height:32px}
.wave{flex:1;height:46px;display:flex;align-items:center;gap:3px}
.wave i{flex:1;height:var(--h);background:#CFE9F8;border-radius:3px;transform:scaleY(.35);transition:transform .3s}
.wave.on i{background:var(--sky);animation:wv .9s ease-in-out infinite alternate;animation-delay:var(--d)}
@keyframes wv{from{transform:scaleY(.3)}to{transform:scaleY(1)}}
.mkp-txt .tx{max-height:38vh}
.errsent u{text-decoration:none;border-bottom:2px solid var(--vi);padding:0 2px;position:relative}
.errsent u sub,.rv-q u sub{font-size:11px;color:var(--vi);font-weight:900;margin-left:2px}
.rv-q u{text-decoration:none;border-bottom:2px solid #A796FF}
.lg{display:inline-block;width:12px;height:12px;border-radius:4px;margin:0 6px 0 2px;vertical-align:middle}.lg.a{background:var(--vi)}.lg.s{background:var(--goldbg2)}.lg.u{background:var(--line)}
.mkmap{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.mkmap button{padding:11px 0;border-radius:12px;font-family:Nunito;font-size:15px;background:var(--line);color:var(--muted)}
.mkmap button.a{background:var(--vi);color:#fff}.mkmap button.s{background:var(--goldbg2);color:#7A5200}.mkmap button.cur{outline:3px solid var(--gold);outline-offset:1px}
.mk-note{font-size:12.5px;color:var(--muted)!important;font-weight:600}
.mkintro .conds{width:100%}.mkintro h2{margin-top:6px}
.mk-score{display:flex;align-items:baseline;gap:6px;justify-content:center;margin:6px 0 10px}.mk-score b{font-family:Nunito;font-size:64px;font-weight:900;color:var(--vid);line-height:1}.mk-score small{font-weight:800;color:var(--muted)}
.mk-secs{width:100%;display:grid;gap:10px;margin:4px 0 12px}
.mk-secs div{display:grid;grid-template-columns:1fr 90px 52px;align-items:center;gap:10px;font-size:14px;font-weight:700;text-align:right}
.mk-sb{height:9px;background:var(--line2);border-radius:9px;overflow:hidden}.mk-sb i{display:block;height:100%;background:linear-gradient(90deg,var(--ok),#5FD3AA);border-radius:9px}
.mk-c{color:var(--ink)!important;font-weight:700!important;line-height:1.8}
.mkres .grow{justify-content:flex-start;padding-top:2vh}.mkres .bigm{width:130px;margin-top:0}
.rv-sec{font-weight:800;color:var(--vid);margin:14px 0 8px;font-size:15px}
.rv{border:1px solid var(--line2);border-radius:16px;padding:12px;margin-bottom:10px;background:var(--card)}
.rv.no{border-color:#F7C3C6;background:var(--badbg2)}
.rv-h{display:flex;justify-content:space-between;font-size:13px;margin-bottom:6px}.rv-h span{font-family:Nunito;color:var(--muted)}.rv.ok .rv-h b{color:var(--okt)}.rv.no .rv-h b{color:var(--badt)}
.rv-q{font-weight:800;margin:4px 0 8px;line-height:1.7}
.rv-o{display:grid;gap:5px;margin-bottom:8px}.rv-o div{display:flex;gap:8px;font-size:14px;padding:6px 8px;border-radius:9px;font-weight:600}
.rv-o span{font-family:Nunito;color:var(--muted);font-weight:900}.rv-o .r{background:var(--okbg);color:var(--okt)}.rv-o .w{background:var(--badbg);color:var(--badt);text-decoration:line-through}
.rv-ctx{background:var(--soft);border-radius:12px;padding:8px 10px;margin-bottom:8px;font-size:13.5px;line-height:1.7}
.rv-ctx summary{cursor:pointer;font-weight:800;color:var(--vid)}
.rvw .why{margin-bottom:0}
/* practice bank + open mock */
.bankstat{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:0 0 14px}
.bankstat div{background:var(--card);border:2px solid var(--line);border-radius:16px;padding:10px 6px;text-align:center}
.bankstat b{display:block;font-size:22px;color:var(--vi);font-family:Nunito,Tajawal,sans-serif}.bankstat small{color:var(--muted);font-size:12px;font-weight:600}
.h2{font-size:18px;font-weight:800;margin:18px 0 10px}
.prc.sk{cursor:default}.prc.sk:active{transform:none;border-bottom-width:5px}.prc.sk .sk-t{flex:1;min-width:0}
.prc.sk .sk-b{display:flex;gap:6px;flex:none}.prc.off{opacity:.62}
.b3.sm{padding:9px 12px;font-size:14px;border-radius:13px}.b3.sm svg{width:18px;height:18px;display:block}
.mk-hint{display:block;margin-top:4px;color:#B7791F!important;font-weight:700!important;font-size:12px!important;line-height:1.5}
.mkwarn .mk-ok{background:#EAFBF3;color:#0B8A64;border-radius:14px;padding:10px 14px;font-weight:700;margin-top:12px}
.vnote{display:block;color:var(--muted);font-size:12px;font-weight:600;margin:2px 0 6px}

/* ===== dark theme ===== */
html[data-theme=dark]{color-scheme:dark;--ink:#EEEBFF;--muted:#A9A4CC;--line:#2F2A52;--line2:#29244A;--bg:#15122B;--soft:#1E1A3A;--card:#1A1733;--app:#110E24;--page:#08061A;
--tint:#262052;--tintb:#4A3FA0;--okbg:#0E3A2D;--okt:#5FE3B5;--badbg:#3E1821;--badt:#FF9096;--goldbg1:#3A2C0B;--goldbg2:#5C4610;--badbg2:#2B141B;--vid:#B9A8FF}
html[data-theme=dark] #app{box-shadow:0 0 0 1px rgba(255,255,255,.04),0 20px 60px rgba(0,0,0,.5)}
html[data-theme=dark] .b3:disabled{--c:#2A2648;--cd:#1F1B3B;color:#6E6993}
html[data-theme=dark] .b3.ghost{color:#C9BCFF}
html[data-theme=dark] .top{background:rgba(17,14,36,.92)}
html[data-theme=dark] .mascot{filter:drop-shadow(0 6px 14px rgba(0,0,0,.45))}
html[data-theme=dark] .passage .tx,html[data-theme=dark] .qtext,html[data-theme=dark] .errsent{color:var(--ink)}
html[data-theme=dark] .node.lock{border-color:#3A3566}html[data-theme=dark] .node.lock svg{fill:#585283}
html[data-theme=dark] img.slideimg,html[data-theme=dark] .slide img{box-shadow:0 0 0 1px #2F2A52}
html[data-theme=dark] .tile{background:var(--card);color:var(--ink)}
.thm{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--tint);color:var(--vi);flex:none}
.thm svg{width:20px;height:20px}
html[data-theme=dark] .thm{color:#FFD166}
/* ===== hero ===== */
.hero{margin:14px 16px 6px;border-radius:24px;padding:2px;background:linear-gradient(135deg,#FFD166,#7C5CFF 45%,#12B886);box-shadow:0 18px 40px -22px rgba(76,52,200,.55)}
.hero-in{border-radius:22px;padding:20px 18px 16px;background:radial-gradient(120% 90% at 100% 0%,#3B2B8F 0%,#1E1A3C 55%,#140F33 100%);color:#fff;position:relative;overflow:hidden}
.hero-in::after{content:"";position:absolute;inset:auto -40px -60px auto;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(255,209,102,.22),transparent 65%)}
.hero-mark{display:inline-block;font-family:Nunito,sans-serif;font-weight:900;letter-spacing:3px;font-size:12px;color:#FFD166;border:1px solid rgba(255,209,102,.45);border-radius:99px;padding:3px 12px;margin-bottom:10px}
.hero h1{margin:0 0 6px;font-size:25px;line-height:1.35;font-weight:800;background:linear-gradient(90deg,#fff,#FFE7A8);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{margin:0 0 14px;color:#D9D3FF;font-weight:500;font-size:15px;line-height:1.6}
.hero-facts{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:#C9C2F2;margin-bottom:14px}
.hero-facts b{color:#fff;font-family:Nunito,sans-serif;font-size:15px}.hero-facts i{width:4px;height:4px;border-radius:50%;background:#7EDCB8}
.hero-pr{margin-bottom:14px}.hero-bar{display:block;height:8px;border-radius:99px;background:rgba(255,255,255,.12);overflow:hidden;margin-bottom:6px}
.hero-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#12B886,#7EDCB8);min-width:6px}
.hero-pr small{color:#BDB6E8;font-size:12.5px;font-weight:600}
.hero .b3{width:100%;position:relative;z-index:1}
.card .seg button{padding:8px 16px;flex:none}
.mk-slogan{margin:10px 0 0;color:var(--vi);font-weight:800;font-size:14px;letter-spacing:.2px}
/* study plan */
.plan{width:100%;text-align:right;background:var(--card);border:2px solid var(--line);border-radius:18px;padding:14px;margin:12px 0 4px}
.plan h3{margin:0 0 4px;font-size:17px}.plan>p{margin:0 0 8px;color:var(--muted);font-weight:600;font-size:14px}
.plan .plan-ok{color:var(--okt)}
.plan-r{display:flex;align-items:center;gap:10px;padding:10px 0;border-top:1px solid var(--line)}
.plan-n{width:26px;height:26px;border-radius:50%;background:var(--tint);color:var(--vi);display:grid;place-items:center;font-family:Nunito;font-size:13px;flex:none}
.plan-t{flex:1;min-width:0}.plan-t b{display:block;font-size:15px}.plan-t small{color:var(--muted);font-weight:600;font-size:12px;line-height:1.5}
.plan-acts{display:flex;gap:6px;flex:none}
html[data-theme=dark] .nav{background:rgba(17,14,36,.94);border-top-color:#29244A}
html[data-theme=dark] .why,html[data-theme=dark] .trans{background:rgba(0,0,0,.28)}

/* ===== home compact ===== */
.slim{margin:8px 16px 0;display:grid;grid-template-columns:1.15fr .85fr;gap:8px}
.slim-ex,.slim-90{display:flex;align-items:center;gap:10px;border-radius:16px;padding:0 12px;height:60px;text-align:right;overflow:hidden;width:100%}
.slim-ex{background:var(--card);border:1px solid var(--line2);box-shadow:0 8px 20px -16px rgba(30,26,60,.45);color:var(--ink)}
.slim-90{background:linear-gradient(120deg,#1E1A3C,#3B2B8F 60%,#6B4BFF);color:#fff;box-shadow:0 4px 0 #140F33,0 12px 22px -16px #3B2B8F}
.slim-ex:active{transform:translateY(1px)}.slim-90:active{transform:translateY(2px);box-shadow:0 2px 0 #140F33}
.slim-ic{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(145deg,#FFE08A,#FFB703);flex:none;box-shadow:inset 0 -3px 0 rgba(0,0,0,.12)}
.slim-ic svg{width:22px;height:22px}
.slim-tx{min-width:0;display:flex;flex-direction:column;gap:2px;flex:1}
.slim-tx b{font-size:13.5px;line-height:1.2;font-weight:800}
.slim-tx small{font-size:11px;font-weight:600;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.slim-tx small b{font-size:11px;font-family:Nunito,sans-serif;font-weight:900;color:var(--ink)}
.slim-90 .n{font-family:Nunito,sans-serif;font-weight:900;font-size:18px;min-width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 35% 30%,#FFE08A,#FFB703 60%,#D98E04);color:#3A2600;flex:none;box-shadow:inset 0 -3px 0 rgba(0,0,0,.15)}
.slim-90 .slim-tx small{color:rgba(255,255,255,.8)}
.hero-sm{margin:8px 16px 0;border-radius:18px;padding:2px;box-shadow:0 12px 28px -20px rgba(76,52,200,.55)}
.hero-sm .hero-in{border-radius:16px;padding:10px 14px 9px}
.hero-sm .hero-in::after{width:120px;height:120px;inset:auto -30px -50px auto}
.hero-sm h1{font-size:18px;line-height:1.35;margin:0 0 8px;white-space:nowrap}
.hero-sm .hero-pr{margin:0}
.hero-sm .hero-bar{height:6px;margin-bottom:4px}
.hero-sm .hero-pr small{font-size:11.5px}
.upick{background:none;color:#fff;flex:1;display:flex;align-items:center;justify-content:space-between;gap:8px;text-align:right;padding:0;min-width:0}
.upick>div{min-width:0}
.chev{width:28px;height:28px;border-radius:9px;background:rgba(255,255,255,.16);display:grid;place-items:center;flex:none;color:#fff}
.chev svg{width:16px;height:16px}
.nrow .pmascot{position:absolute;width:86px;top:6px;left:calc(100% + 4px);right:auto;filter:drop-shadow(0 6px 8px rgba(30,26,60,.12))}
.usheet{text-align:right}
.grab{width:40px;height:4px;border-radius:4px;background:var(--line);margin:-4px auto 12px}
.usheet-h{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.usheet-h h3{margin:0;font-size:20px}
.ulist{display:grid;gap:6px}
.urow{display:flex;align-items:center;gap:10px;width:100%;background:var(--soft);border-radius:14px;padding:10px 12px;text-align:right;color:var(--ink);border:2px solid transparent}
.urow.on{background:var(--tint);border-color:var(--tintb)}
.urow.done .un{color:var(--goldd)}
.urow.lock{opacity:.72;color:var(--muted)}
.un{font-family:Nunito,sans-serif;font-weight:900;font-size:15px;color:var(--vi);width:28px;flex:none}
.urow.lock .un{color:var(--muted)}
.ut{flex:1;min-width:0}
.ut b{display:block;font-size:15px;font-weight:800}
.ut small{display:block;color:var(--muted);font-size:12px;font-weight:600;margin-top:1px}
.um{min-width:28px;height:28px;display:grid;place-items:center;flex:none;font-size:11px;font-weight:800;color:var(--vi)}
.um svg{width:20px;height:20px;fill:currentColor}
.urow.done .um svg{fill:var(--gold)}
.urow.lock .um svg{fill:#B3B0C8}
html[data-theme=dark] .slim-ex{border-color:#3A3566;background:#1C1838;box-shadow:0 8px 20px -16px rgba(0,0,0,.6),inset 0 1px 0 rgba(255,255,255,.06)}
html[data-theme=dark] .slim-tx small b{color:var(--ink)}
html[data-theme=dark] .urow.lock .um svg{fill:#585283}
html[data-theme=dark] .nrow .pmascot{filter:drop-shadow(0 6px 14px rgba(0,0,0,.45))}

/* ===== v9 layout, meaning, teach, challenge 30, skip ===== */
.home-grid{display:block}
.side{display:none}
.mean-wrap{margin:8px 0 12px;text-align:right}
.mean-btn{background:var(--tint);color:var(--vid);border-radius:12px;padding:7px 14px;font-size:13.5px;border:1.5px solid var(--tintb);border-bottom-width:3px}
.mean-btn.on{background:var(--vi);color:#fff;border-color:var(--vid)}
.mean-box{margin-top:8px;background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:11px 13px;text-align:right;color:var(--ink);font-weight:600;line-height:1.75;font-size:14.5px}
.mean-box .mean-g{color:var(--vid);margin:0 0 6px;font-weight:700}
.mean-box p{margin:0}
.teach{background:var(--card);border:2px solid var(--line);border-radius:22px;padding:18px 16px 16px;text-align:right;box-shadow:0 14px 30px -22px rgba(30,26,60,.35)}
.teach-k{display:inline-block;background:linear-gradient(135deg,#FFE08A,#FFB703);color:#3A2600;border-radius:99px;padding:3px 10px;font-size:12px;font-weight:800;margin-bottom:8px}
.teach h2{margin:6px 0 8px;font-size:22px}
.teach>p{color:var(--muted);font-weight:600;line-height:1.8;margin:0 0 14px}
.teach-ex{display:grid;gap:8px}
.teach-ex div{background:var(--soft);border-radius:14px;padding:10px 12px}
.teach-ex .ltr{margin:0 0 4px;font-weight:800;color:var(--vid)}
.teach-ex small{color:var(--ink);font-weight:600;font-size:13.5px}
.skipu{width:100%;background:transparent;color:var(--vi);font-size:12.5px;font-weight:800;padding:4px 8px 8px;text-align:right}
.urow{display:flex;flex-direction:column;align-items:stretch;gap:0;padding:0;overflow:hidden}
.urow-main{display:flex;align-items:center;gap:10px;width:100%;background:none;color:inherit;padding:10px 12px;text-align:right}
.urow .um{min-width:28px}
.slim-30{display:flex;align-items:center;gap:10px;border-radius:16px;padding:0 12px;height:60px;text-align:right;overflow:hidden;width:100%;background:linear-gradient(120deg,#0B6B68,#0E8F8B 55%,#14B8A6);color:#fff;box-shadow:0 4px 0 #0A5350,0 12px 22px -16px #0E8F8B}
.slim-30:active{transform:translateY(2px);box-shadow:0 2px 0 #0A5350}
.slim-30 .n{font-family:Nunito,sans-serif;font-weight:900;font-size:18px;min-width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 35% 30%,#FFE08A,#FFB703 60%,#D98E04);color:#3A2600;flex:none}
.slim-30 .slim-tx small{color:rgba(255,255,255,.85)}
.ch30{margin:16px 16px 4px;border-radius:20px;padding:14px 16px;display:flex;gap:12px;align-items:center;background:linear-gradient(120deg,#0B6B68,#0E8F8B 55%,#14B8A6);color:#fff;text-align:right;width:calc(100% - 32px);box-shadow:0 4px 0 #0A5350,0 14px 30px -16px #0E8F8B}
.ch30 .n{font-family:Nunito;font-weight:900;font-size:28px;min-width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 35% 30%,#FFE08A,#FFB703 60%,#D98E04);color:#3A2600}
.ch30 b{display:block;font-size:16px}.ch30 small{display:block;opacity:.9;font-size:12.5px;margin-top:3px;line-height:1.5;font-weight:500}
.grid30{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;margin:8px 0}
.grid30 i,.ch30leg i{display:block;aspect-ratio:1;border-radius:8px;background:var(--line)}
.grid30 i.done,.ch30leg i.done{background:linear-gradient(180deg,#7EE2BE,var(--ok))}
.grid30 i.rest,.ch30leg i.rest{background:linear-gradient(180deg,#FFE08A,#FFB703)}
.grid30 i.miss,.ch30leg i.miss{background:var(--badbg);outline:2px solid #F7A3A7}
.grid30 i.td{outline:3px solid var(--vi);outline-offset:1px}
.ch30leg{display:flex;gap:10px;align-items:center;justify-content:center;flex-wrap:wrap;font-size:12px;color:var(--muted);font-weight:600}
.ch30leg i{width:12px;height:12px;aspect-ratio:auto;display:inline-block}
.ch30rep{text-align:right;background:var(--soft);border-radius:16px;padding:12px 14px;margin:8px 0}
.ch30dlg{text-align:center}
.side-card{background:var(--card);border:1px solid var(--line2);border-radius:18px;padding:14px;margin-bottom:10px;text-align:right;width:100%;color:inherit}
.side-card b{display:block;font-size:15px;margin-bottom:4px}
.side-card p{margin:0 0 8px;color:var(--muted);font-weight:600;font-size:13.5px;line-height:1.6}
.side-card small{color:var(--muted);font-size:12px;font-weight:600}
.side-bar{display:block;height:7px;border-radius:99px;background:var(--line2);overflow:hidden;margin:8px 0 6px}
.side-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--vi),#12B886);border-radius:99px;min-width:6px}
.side-ch{cursor:pointer}
@media (min-width:900px){
  #app,.nav,.lesson,.full,.mk{max-width:1120px}
  .dlg{max-width:720px}
  .dlg.usheet,.dlg.ch30dlg,.dlg.tips{max-width:560px}
  .home-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;align-items:start}
  .side{display:block;padding:10px 18px 120px 6px;position:sticky;top:70px}
  .read-split{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:start}
  .read-split .passage{margin:0 0 0 0;position:sticky;top:8px}
  .read-split .passage .tx,.read-split .tx{max-height:62vh;font-size:16.5px;line-height:1.85}
  .lesson .qtext,.mk .qtext{font-size:20px}
  .opt{font-size:16.5px;padding:14px}
  .passage .tx{font-size:16px;line-height:1.8}
}
html[data-theme=dark] .mean-btn{color:#E8DEFF}
html[data-theme=dark] .teach{box-shadow:0 14px 30px -22px rgba(0,0,0,.6)}
html[data-theme=dark] .grid30 i{background:#2A2648}
html[data-theme=dark] .grid30 i.miss{background:#3E1821}