:root{color-scheme:light;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}html{scroll-padding-top:env(safe-area-inset-top,0px)}body{margin:0;padding:0;font:14px -apple-system,BlinkMacSystemFont,sans-serif;background:#fff;color:#000}img{max-width:100%}[hidden]:not([hidden=until-found i]){display:none!important}
/* ---- Daily missions (scoped) ---- */
#dly{
  --bg:#0A0F2C; --bg2:#131A42; --panel3:#1A2253; --blank:#26307A; --blank-edge:#5B6BD0;
  --tile:#ffffff; --tile-edge:#B9C0EA; --ink:#0F1538;
  --green:#BDF7CF; --green-edge:#7FD39A; --green-ink:#0A7A2E;
  --line:#4A5599; --text:#F4F6FF; --muted:#C5CCF0; --red:#FF8A8A; --gold:#FFC83D;
  --accent:#6C5CE7; --cyan:#35D0E6;
  --font:'Hanken Grotesk',system-ui,-apple-system,'Segoe UI',sans-serif;
  --disp:'Space Grotesk','Hanken Grotesk',system-ui,sans-serif;
  
max-width:520px;margin:0 auto;display:flex;flex-direction:column;min-height:60vh;color:var(--text);font-family:var(--font)}
#dly button{font:inherit;color:inherit;cursor:pointer}
#dly button:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
#dly .btn{background:transparent;border:2px solid var(--line);border-radius:12px;padding:10px 14px;display:inline-flex;align-items:center;gap:8px;font-weight:600}
#dly .btn[disabled]{opacity:.35;cursor:default}
#dly .btn.solid{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 4px 0 #3B2FA8}
#dly .bar{display:flex;justify-content:space-between;align-items:center;gap:10px;min-height:48px}
#dly .ic{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
#dly h1,#dly h2{font-family:var(--disp);margin:0;text-wrap:balance}
#dly .xp{display:inline-flex;align-items:center;gap:8px;background:#232C5C;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-weight:600}
#dly .xpi{width:26px;height:26px;border-radius:8px;background:var(--cyan);color:#06122E;font-size:11px;font-weight:700;display:grid;place-items:center;transform:rotate(45deg)}
#dly .xpi span{transform:rotate(-45deg)}
#dly .home{display:flex;flex-direction:column;gap:18px;padding-top:6px}
#dly .brand{font-family:var(--disp);font-size:30px;line-height:1;letter-spacing:.02em}
#dly .sub{color:var(--muted);font-size:14px}
#dly .card{background:var(--bg2);border-radius:18px;padding:16px;display:flex;flex-direction:column;gap:12px}
#dly .card h2{font-size:26px}
#dly .chips{display:flex;gap:8px;flex-wrap:wrap}
#dly .chip{border:2px solid var(--line);background:transparent;border-radius:10px;padding:6px 12px;font-weight:600;font-size:14px;letter-spacing:.06em}
#dly .chip.on{background:var(--accent);color:#fff;border-color:var(--accent)}
#dly .chip.done::after{content:" ✓";color:var(--green-ink)}
#dly .row{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}
#dly .hud{display:flex;justify-content:space-between;align-items:center;gap:10px}
#dly .hbtn{border:2px solid var(--line);background:transparent;border-radius:10px;min-height:44px;padding:0 14px;display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:19px;letter-spacing:.04em}
#dly .play{flex:1;display:flex;align-items:center;justify-content:center;padding-block:14px}
#dly .grid{display:grid;grid-template-columns:repeat(var(--cols),var(--cs));grid-auto-rows:var(--cs);gap:var(--gap);justify-content:center}
#dly .t{border-radius:calc(var(--cs)*.18);display:grid;place-items:center;font-weight:700;font-size:calc(var(--cs)*.5);line-height:1;background:var(--tile);color:var(--ink);box-shadow:0 calc(var(--cs)*.07) 0 var(--tile-edge);font-variant-numeric:tabular-nums;user-select:none;border:0;padding:0}
#dly .t.blank{background:var(--blank);box-shadow:inset 0 0 0 2px var(--blank-edge);color:transparent}
#dly .t.blank.sel{box-shadow:inset 0 0 0 3px var(--cyan)}
#dly .t.mine{background:var(--green);color:var(--green-ink);box-shadow:0 calc(var(--cs)*.07) 0 var(--green-edge)}
#dly .t.hint{background:#FFE9A0;color:#6A4B00;box-shadow:0 calc(var(--cs)*.07) 0 #D9B84A}
#dly .t.bad{animation:shake .4s;box-shadow:0 0 0 3px var(--red)}
#dly .t.op{font-size:calc(var(--cs)*.55)}
@keyframes shake{25%{transform:translateX(-3px)}75%{transform:translateX(3px)}}
#dly .tray{border-radius:16px;background:var(--bg2);margin-inline:0;padding:18px max(16px,env(safe-area-inset-right,0px)) 12px;display:flex;flex-direction:column;gap:16px}
#dly .tiles{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 10px;min-height:96px;align-content:flex-start}
#dly .tile{width:52px;height:52px;border-radius:10px;background:var(--green);color:var(--green-ink);font-weight:700;font-size:28px;box-shadow:0 4px 0 var(--green-edge);border:0;display:grid;place-items:center;font-variant-numeric:tabular-nums}
#dly .tile.sel{outline:3px solid var(--cyan);outline-offset:2px}
#dly .tile.used{background:#1A2253;box-shadow:none;color:transparent;cursor:default}
#dly .ctrl{display:flex;justify-content:space-between;gap:10px}
#dly .ctrl .btn{width:52px;height:46px;justify-content:center;padding:0}
.dtoast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:#fff;color:var(--bg);font-weight:600;border-radius:12px;padding:10px 16px;z-index:20;box-shadow:0 6px 18px rgba(0,0,0,.3)}
#dly .pause{position:fixed;inset:0;background:rgba(10,15,44,.96);display:flex;flex-direction:column;gap:16px;align-items:center;justify-content:center;z-index:15}
#dly .done{flex:1;display:flex;flex-direction:column;position:relative}
#dly .deco{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding-top:8px;opacity:.9}
#dly .deco i{display:block;aspect-ratio:1;border-radius:18px;background:#232C5C;box-shadow:0 6px 0 #1A2253;opacity:.55}
#dly .deco i:nth-child(1),#dly .deco i:nth-child(3){opacity:.3}
#dly .deco i.ok{opacity:1;background:var(--green);box-shadow:0 8px 0 var(--green-edge);display:grid;place-items:center;color:var(--green-ink)}
#dly .deco .ic{width:56%;height:56%;stroke-width:3.4}
#dly .mid{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding-block:24px}
#dly .mid h2{font-size:30px;font-weight:600}
#dly .big{font-family:var(--disp);font-size:clamp(76px,26vw,116px);line-height:1;font-weight:700;font-variant-numeric:tabular-nums}
#dly .foot{display:flex;flex-direction:column;gap:12px;padding-bottom:6px}
#dly .foot .two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
#dly .foot .btn{justify-content:center;min-height:52px;font-size:19px}
#dly .arch{font-size:20px;min-height:60px;color:#fff}
#dly .arch b{font-weight:700}
#dly .q{font-size:clamp(22px,6vw,28px);font-weight:600;text-align:center;text-wrap:balance;padding:34px 4px;min-height:110px;display:grid;place-items:center}
#dly .ansbox{min-height:58px;border-radius:14px;background:var(--bg2);text-align:center;font-size:34px;font-weight:700;display:grid;place-items:center;font-variant-numeric:tabular-nums;margin-bottom:14px}
#dly .kp{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
#dly .key{min-height:58px;border:0;border-radius:12px;background:var(--tile);color:var(--ink);font-size:26px;font-weight:700;box-shadow:0 4px 0 var(--tile-edge);display:grid;place-items:center}
#dly .key.go{background:var(--green);color:var(--green-ink);box-shadow:0 4px 0 var(--green-edge);font-size:20px}
#dly .key:active{transform:translateY(2px)}
#dly .rv{display:flex;flex-direction:column;gap:8px;padding-bottom:20px}
#dly .rvr{display:flex;gap:10px;align-items:flex-start;background:var(--bg2);border-radius:12px;padding:10px 12px;border-left:5px solid #4A5599}
#dly .rvr.ok{border-left-color:var(--green)}
#dly .rvr.bad{border-left-color:var(--red)}
#dly .rn{min-width:26px;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums}
#dly .rq{flex:1;min-width:0;font-size:17px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
#dly .rc{font-size:14px;color:var(--green);margin-top:2px}
#dly .rs{font-size:13px;font-weight:600;white-space:nowrap}
#dly .opts{display:grid;grid-template-columns:1fr 1fr;gap:12px}
#dly .opt{background:var(--tile);color:var(--ink);border:0;border-radius:14px;min-height:68px;font-size:26px;font-weight:700;box-shadow:0 4px 0 var(--tile-edge);font-variant-numeric:tabular-nums}
#dly .opt:active{transform:translateY(2px);box-shadow:0 2px 0 var(--tile-edge)}
#dly .prog{height:8px;border-radius:99px;background:#232C5C;overflow:hidden}
#dly .prog>div{height:100%;background:var(--cyan)}
#dly .chart{background:var(--bg2);border-radius:14px;padding:12px;width:100%;box-sizing:border-box}
#dly .rev{width:100%;text-align:left;display:flex;flex-direction:column;gap:8px;font-size:14px}
#dly .rev div{background:var(--bg2);border-radius:10px;padding:8px 12px}
#dly .ok{color:var(--green)}
#dly .no{color:var(--red)}
#dly .list{display:flex;flex-direction:column;gap:10px}
#dly .list .row{background:var(--bg2);border-radius:12px;padding:10px 12px}
@media (prefers-reduced-motion:reduce){#dly .t.bad{animation:none}}
#dly .nav_unused{position:sticky;bottom:0;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;background:var(--bg);padding:10px 0 calc(8px + env(safe-area-inset-bottom,0px));margin-top:auto}
#dly .nav_unused button{border:2px solid var(--line);background:transparent;border-radius:12px;min-height:46px;font-weight:700;font-size:16px}
#dly .nav_unused button.on{background:var(--accent);color:#fff;border-color:var(--accent)}
#dly .step{display:flex;align-items:center;gap:12px;background:var(--bg2);border-radius:14px;padding:12px;border:2px solid transparent}
#dly .step.c{border-color:var(--cyan)}
#dly .step.l{opacity:.8}
#dly .step .si{flex:1;min-width:0}
#dly .step .si b{font-size:18px}
#dly .num{width:34px;height:34px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;font-weight:700;flex:none}
#dly .step.d .num{background:var(--green);border-color:var(--green);color:var(--green-ink)}
#dly .num .ic{width:18px;height:18px;stroke-width:3.4}
#dly .qb{font-size:clamp(18px,4.8vw,21px);line-height:1.55;padding:18px 2px;overflow-wrap:anywhere}
#dly .qb math,#dly .co math,#dly .solx math{font-size:1.12em}
#dly .co{display:flex;align-items:center;gap:12px;width:100%;text-align:left;background:var(--tile);color:var(--ink);border:0;border-radius:14px;padding:12px 14px;min-height:56px;font-size:18px;font-weight:600;box-shadow:0 4px 0 var(--tile-edge);overflow-wrap:anywhere}
#dly .co .lt{flex:none;width:30px;height:30px;border-radius:50%;background:#DDE2FA;display:grid;place-items:center;font-weight:700;font-size:15px}
#dly .co .tx{flex:1;min-width:0}
#dly .co.good{background:var(--green);color:var(--green-ink);box-shadow:0 4px 0 var(--green-edge)}
#dly .co.badc{background:#FFD0D0;color:#8A1020;box-shadow:0 4px 0 #E59A9A}
#dly .co[disabled]{cursor:default}
#dly .fb{background:var(--bg2);border-radius:14px;padding:12px 14px;display:flex;flex-direction:column;gap:8px;margin-block:12px;font-size:16px}
#dly .solx{font-size:16px;line-height:1.55;overflow-wrap:anywhere}
#dly .lg{display:flex;gap:10px;align-items:center;padding:8px 10px;border-radius:10px}
#dly .lg .rn{min-width:24px}
#dly .lg .ln{flex:1}
#dly .lg.me{background:var(--accent);color:#fff}
#dly .lg.me .rn{color:#fff}
#dly .lg .av{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:800;flex:none}
#dly .lg .rn{font-weight:800;color:var(--muted)}
#dly .zone{text-align:center;font-weight:800;font-size:13px;padding:6px 4px;margin:2px 0;letter-spacing:.2px}
#dly .zone.up{color:var(--green)}#dly .zone.dn{color:var(--red)}
#dly .pbs{padding-right:16px;display:flex;gap:8px;align-items:flex-end;overflow-x:auto;padding:6px 2px 10px;justify-content:flex-start}
#dly .pb{display:flex;flex-direction:column;align-items:center;gap:4px;flex:none;font-size:12px;font-weight:700;color:var(--muted)}
#dly .pb.cur{color:var(--text);font-size:14px}
#dly .pb.lk{opacity:.55}
#dly .pl{position:relative;display:grid;place-items:center;width:var(--s);height:var(--s);border-radius:50%;box-shadow:inset -6px -8px 14px rgba(0,0,0,.35)}
#dly .pl .ring{position:absolute;left:-18%;right:-18%;top:38%;height:24%;border:3px solid rgba(255,230,170,.85);border-radius:50%;transform:rotate(-18deg)}
#dly .pl.lk b{font-size:16px}
#dly .dpill{display:inline-block;margin-top:8px;padding:4px 12px;border-radius:999px;background:var(--panel2,#1A2253);font-weight:700;font-size:13px}
#dly .guide{display:flex;gap:14px;align-items:center}
#dly .guide svg{flex:0 0 84px;width:84px;height:80px;border-radius:16px;background:radial-gradient(circle at 50% 40%,#2A3470,#1A2253 75%)}
#dly .bubble{padding:12px 16px;border-radius:16px;background:var(--panel3);border:1px solid var(--line);font-size:16px;line-height:1.45;color:#fff}

#dly .bar{height:auto;background:none;overflow:visible;border-radius:0}
#dly .key{padding:0}
#dly .btn{box-sizing:border-box}
#dly .card{border:0}
#dly .chip{display:inline-block}
#dly .row{margin:0}
#dly .nav_unused{display:none}
/* Layout: one centred column, a top bar with four views, big tappable cards. Dark space look, single theme by choice. */
:root{--bg:#0A0F2C;--panel:#131A42;--panel2:#1A2253;--line:#2A3470;--line2:#323C7C;--text:#F4F6FF;--soft:#C5CCF0;--muted:#A9B4E6;--accent:#6C5CE7;--cyan:#35D0E6;--gold:#FFC83D;--good:#4ADE80;--goodbg:#14432B;--bad:#FF8A8A;--badbg:#4A2020;--flame:#FF9F43;color-scheme:dark}
*{box-sizing:border-box}
body{background-color:var(--bg);background-image:radial-gradient(circle at 15px 25px,rgba(255,255,255,.55) 1px,transparent 1.6px),radial-gradient(circle at 90px 70px,rgba(255,255,255,.35) 1px,transparent 1.6px),radial-gradient(circle at 150px 140px,rgba(255,255,255,.5) 1.2px,transparent 1.8px);background-size:180px 180px,230px 230px,310px 310px;color:var(--text);font-family:'Hanken Grotesk',system-ui,sans-serif;font-size:16px;line-height:1.45;margin:0}
.wrap{max-width:980px;margin:0 auto;padding-block:20px 56px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:'Space Grotesk',system-ui,sans-serif;margin:0;text-wrap:balance}
button{font-family:inherit;color:inherit;cursor:pointer}
button:focus-visible,input:focus-visible{outline:3px solid var(--cyan);outline-offset:2px}
.top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 20px;margin-bottom:24px}
.brand{display:flex;align-items:center;gap:12px;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:20px}
.logo{width:40px;height:40px;border-radius:12px;background:var(--accent);display:flex;align-items:center;justify-content:center}
.tabs{display:flex;flex-wrap:wrap;gap:6px}
.tab{padding:10px 16px;border-radius:12px;border:0;background:transparent;font-weight:600;font-size:15px;color:var(--soft)}
.tab[aria-current=true]{background:#2A2F7A;color:#fff;font-weight:700}
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:var(--panel);border:1px solid var(--line);font-weight:700;font-size:15px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:24px}
.col{display:flex;flex-direction:column;gap:20px}
.row{display:flex;flex-wrap:wrap;gap:14px}
.lab{font-size:13px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--muted)}
.h1{font-size:34px;letter-spacing:-.5px}
.sub{color:var(--soft);font-size:17px}
.stream{flex:1 1 210px;display:flex;flex-direction:column;gap:6px;text-align:left;padding:16px 18px;border-radius:16px;background:var(--panel2);border:2px solid var(--line2)}
.stream[aria-pressed=true]{background:#1F2A6E}
.stream .t{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:18px;font-weight:700}
.stream .d{font-size:14px;color:var(--soft)}
.dot{width:12px;height:12px;border-radius:50%;display:inline-block;margin-right:10px}
.tick{width:26px;height:26px;border-radius:8px;border:2px solid #4A5599;display:flex;align-items:center;justify-content:center;font-weight:900;color:#06122E}
.pill{padding:13px 20px;border-radius:14px;border:2px solid var(--line2);background:var(--panel2);font-weight:700;font-size:16px}
.pill[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:#fff}
.go{padding:16px 34px;border-radius:14px;border:0;background:var(--accent);color:#fff;font-size:18px;font-weight:800}
.go[disabled]{opacity:.45;cursor:not-allowed}
.ghost{padding:14px 22px;border-radius:14px;border:2px solid var(--line2);background:transparent;font-weight:700;font-size:16px;color:#E4E8FF}
.link{background:none;border:0;color:#8FA2FF;font-weight:700;font-size:15px;padding:6px 0}
.q{font-size:22px;line-height:1.45;margin:6px 0 4px}
.opt{display:flex;align-items:center;gap:14px;width:100%;text-align:left;padding:14px 16px;border-radius:14px;border:2px solid var(--line2);background:var(--panel2);font-size:18px;font-weight:600}
.opt .k{flex:0 0 32px;height:32px;border-radius:50%;background:#232C5C;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;color:var(--soft)}
.opt[aria-pressed=true]{border-color:var(--cyan);background:#1B2A6B;box-shadow:0 0 0 2px var(--cyan) inset}
#dly .co.sel{box-shadow:0 0 0 4px var(--cyan) inset;background:#E3F8FC}
.opt.good{border-color:var(--good);background:var(--goodbg)}
.opt.bad{border-color:var(--bad);background:var(--badbg)}
.bar{height:12px;border-radius:6px;background:#232C5C;overflow:hidden}
.bar>i{display:block;height:100%}
.guide{display:flex;gap:16px;align-items:center}
.guide svg{flex:0 0 96px;width:96px;height:92px;border-radius:16px;background:radial-gradient(circle at 50% 40%,#2A3470,#1A2253 75%)}
.bubble{padding:14px 18px;border-radius:16px;background:var(--panel2);border:1px solid var(--line2);font-size:17px;line-height:1.5}
.sol{padding:14px 16px;border-radius:14px;background:#10163A;border:1px dashed var(--line2);color:#E4E8FF;font-size:16px}
.big{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:56px;line-height:1;letter-spacing:-1px}
.expr{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:clamp(40px,9vw,76px);text-align:center;padding:30px 12px;border-radius:18px;background:var(--panel2);letter-spacing:2px}
.ans{width:100%;font:700 34px 'Space Grotesk',sans-serif;text-align:center;padding:14px;border-radius:14px;border:2px solid var(--line2);background:#0F1538;color:var(--text)}
.sm{font-size:14px;color:var(--soft)}
.good-t{color:var(--good)}.bad-t{color:var(--bad)}.gold{color:var(--gold)}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
td,th{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);font-size:15px}
th{font-size:13px;letter-spacing:.5px;text-transform:uppercase;color:var(--muted)}
@media (prefers-reduced-motion:no-preference){.opt,.pill,.stream,.go{transition:border-color .15s,background .15s}}
a.tab{text-decoration:none;display:inline-block}
a.ghost{text-decoration:none}
/* install hint */
.inst{position:fixed;left:max(12px,env(safe-area-inset-left,0px));right:max(12px,env(safe-area-inset-right,0px));bottom:calc(12px + env(safe-area-inset-bottom,0px));max-width:520px;margin:0 auto;z-index:30;display:flex;align-items:center;gap:12px;background:#1A2253;color:#fff;border:1px solid #5B6BD0;border-radius:16px;padding:10px 10px 10px 12px;box-shadow:0 10px 28px rgba(0,0,0,.45);font-family:inherit}
.inst img{border-radius:10px;flex:none}
.inst .it{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px;font-size:14px;line-height:1.3}
.inst .it b{font-size:15px;color:#fff}
.inst .it span{color:#fff}
.inst .it i{font-style:normal;font-weight:700;color:#35D0E6}
.inst .it u{text-decoration:none;font-weight:700;color:#35D0E6}
.inst .ib{flex:none;background:#6C5CE7;color:#fff;border:0;border-radius:12px;padding:10px 16px;font:700 15px inherit;font-family:inherit;box-shadow:0 3px 0 #3B2FA8;cursor:pointer}
.inst .ix{flex:none;background:transparent;border:0;color:#fff;font-size:26px;line-height:1;padding:4px 8px;cursor:pointer}
/* Olympiad map */
.om{display:flex;flex-direction:column;gap:36px}
.om h1{font-size:36px;letter-spacing:-.5px}
.om .lead{font-size:18px;color:var(--text);max-width:64ch;margin:0}
.om .cta{background:var(--accent);color:#fff}
.om-go{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;padding:11px 16px;border-radius:12px;background:var(--accent);color:#fff;font-weight:800;font-size:15px;box-shadow:0 3px 0 #3B2FA8}
.om-go:focus-visible,.om-link:focus-visible,a.tab:focus-visible{outline:3px solid var(--cyan);outline-offset:2px}
.om-dates{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,165px),1fr));gap:10px;margin:0;padding:0;list-style:none}
.om-dates li{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:12px 14px;display:flex;flex-direction:column;gap:2px}
.om-dates .when{font-weight:800;color:var(--gold)}
.om-dates .ev{font-weight:700;color:#fff}
.om-dates .nt{font-size:14px;color:var(--soft)}
.om-dates li.past{opacity:.55}
.om-dates .done{font-size:12px;font-weight:700;border:1px solid var(--line2);border-radius:999px;padding:1px 8px;color:#fff;margin-left:6px}
.om-stage{display:flex;flex-direction:column;gap:14px}
.om-stage>h2{font-size:26px;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.om-stage>h2 .sn{font-size:13px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--cyan)}
.om-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,330px),1fr));gap:16px}
.om-card{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:20px;display:flex;flex-direction:column;gap:12px;min-width:0}
.om-card h3{font-size:22px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.om-rung{font-family:'Hanken Grotesk',system-ui,sans-serif;font-size:12px;font-weight:800;letter-spacing:.4px;text-transform:uppercase;background:#2A2F7A;color:#fff;border-radius:999px;padding:3px 10px}
.om-who{color:var(--soft);font-size:15px}
.om-card ul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:6px;font-size:15px}
.om-prac{border-top:1px solid var(--line);padding-top:12px;margin-top:auto;display:flex;flex-direction:column;gap:10px}
.om-prac .btns{display:flex;gap:8px;flex-wrap:wrap}
.om-prac .nt{font-size:14px;color:var(--soft)}
.om-badge{align-self:flex-start;font-size:13px;font-weight:800;border-radius:999px;padding:3px 10px;border:1px solid}
.om-badge.now{color:var(--good);border-color:var(--good)}
.om-badge.soon{color:var(--gold);border-color:var(--gold)}
.om-badge.plan{color:var(--cyan);border-color:var(--cyan)}
.om-link{color:var(--cyan);font-weight:700;font-size:15px}
.om-routes{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:16px}
.om-route ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:0}
.om-route li{background:var(--panel2);border:1px solid var(--line2);border-radius:12px;padding:10px 14px;font-weight:700;text-align:center;position:relative;margin-bottom:22px}
.om-route li:last-child{margin-bottom:0;background:#1F2A6E;border-color:var(--accent)}
.om-route li:not(:last-child)::after{content:'\2193';position:absolute;left:50%;bottom:-22px;transform:translateX(-50%);color:var(--cyan);font-size:18px;line-height:22px}
.om-others{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:14px}
.om-others .om-card{padding:16px}
.om-others h3{font-size:19px}
.om-foot{font-size:14px;color:var(--soft);border-top:1px solid var(--line);padding-top:18px}
a.tab.cta{background:var(--accent);color:#fff}
@media (max-width:480px){.om h1{font-size:30px}.om-card{padding:16px}}
/* streak + daily targets */
body.mq-lock{overflow:hidden}
.mq-ov{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;background:radial-gradient(120% 90% at 50% 0%,#1d2766 0%,#0A0F2C 62%);padding:max(20px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(20px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));overflow:auto;animation:mqf .25s ease-out}
.mq-in{width:100%;max-width:440px;display:flex;flex-direction:column;gap:20px;color:#F4F6FF;margin:auto}
.mq-hero{display:flex;flex-direction:column;align-items:center;gap:0;text-align:center}
.mq-flame{animation:mqp 1.6s ease-in-out infinite;filter:drop-shadow(0 0 22px rgba(255,159,67,.55))}
.mq-num{font-size:84px;line-height:1;font-weight:800;color:#FFC83D;margin-top:4px}
.mq-lab{font-size:22px;font-weight:700;color:#F4F6FF}
.mq-week{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;background:#131A42;border:1px solid #2A3470;border-radius:18px;padding:14px 10px}
.mq-d{display:flex;flex-direction:column;align-items:center;gap:8px;font-weight:700;font-size:14px;color:#C5CCF0}
.mq-d i{width:30px;height:30px;border-radius:50%;background:#232C5C;display:flex;align-items:center;justify-content:center}
.mq-d.on i{background:#FFC83D}
.mq-d.now span{color:#FFC83D}
.mq-d.now i{box-shadow:0 0 0 3px #0A0F2C,0 0 0 5px #FFC83D}
.mq-line{margin:0;text-align:center;font-size:18px;font-weight:600;color:#F4F6FF;text-wrap:balance}
.mq-h{margin:0;font-size:28px;text-align:center;color:#F4F6FF}
.mq-sub{margin:-10px 0 0;text-align:center;color:#C5CCF0;font-size:15px}
.mq-list{display:flex;flex-direction:column;gap:12px}
.mq-q{display:flex;align-items:center;gap:12px;background:#131A42;border:1px solid #2A3470;border-radius:16px;padding:14px}
.mq-q.ok{border-color:#2f8f5b;background:#12331f}
.mq-ic{flex:none}
.mq-qb{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px}
.mq-qb b{font-size:16px;color:#F4F6FF}
.mq-bar{position:relative;height:22px;border-radius:99px;background:#232C5C;overflow:hidden}
.mq-bar i{position:absolute;inset:0 auto 0 0;background:linear-gradient(90deg,#35D0E6,#4ADE80);border-radius:99px;transition:width .5s}
.mq-bar em{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-style:normal;font-weight:700;font-size:13px;color:#fff;text-shadow:0 1px 2px #0A0F2C}
.mq-rw{flex:none;min-width:58px;text-align:center;font-weight:800;font-size:13px;color:#FFC83D;background:#2a2450;border-radius:99px;padding:6px 10px}
.mq-rw.got{background:#4ADE80;color:#0A0F2C}
.mq-chest{display:flex;align-items:center;gap:12px;border:2px dashed #5B6BD0;border-radius:16px;padding:12px 14px;font-size:16px}
.mq-chest span{font-size:30px}
.mq-chest.got{border-style:solid;border-color:#FFC83D;background:#2b2a1a}
.mq-btns{display:flex;flex-direction:column;gap:10px}
.mq-btn{min-height:52px;border-radius:14px;border:2px solid #5B6BD0;background:transparent;color:#F4F6FF;font-weight:700;font-size:17px;font-family:inherit;cursor:pointer}
.mq-btn.solid{background:#6C5CE7;border-color:#6C5CE7}
.mq-btn:focus-visible{outline:3px solid #FFC83D;outline-offset:2px}
.mq-qlink{background:none;border:0;color:#35D0E6;font-weight:700;font-size:14px;font-family:inherit;cursor:pointer;padding:4px 0;text-decoration:underline}
@keyframes mqp{50%{transform:scale(1.06)}}
@keyframes mqf{from{opacity:0}}
@media (prefers-reduced-motion:reduce){.mq-flame,.mq-ov{animation:none}.mq-bar i{transition:none}}

/* question figures */
.fig{display:flex;justify-content:center;background:#0E1538;border:1px solid #2A3470;border-radius:14px;padding:10px;margin:2px 0}
.fig svg{max-width:100%;height:auto;display:block}

.figimg{position:relative;background:#fff;border:1px solid #2A3470;border-radius:14px;padding:8px;overflow:hidden;cursor:zoom-in;max-height:none}
.figimg img{display:block;width:100%;height:auto;max-width:100%;border-radius:8px}
.figimg .zh{position:absolute;right:8px;bottom:8px;font-size:12px;background:rgba(10,15,44,.78);color:#F4F6FF;padding:3px 9px;border-radius:999px}
.figimg.on{overflow-x:auto;cursor:zoom-out}
.figimg.on img{width:auto;max-width:none;min-width:900px}
.figimg.on .zh{display:none}

.figh{margin-top:-4px;opacity:.8}
.figov{position:fixed;inset:0;z-index:9999;background:#0A0F2C;display:flex;flex-direction:column}
.figbar{display:flex;gap:14px;align-items:center;padding:12px 16px;padding-top:max(12px,env(safe-area-inset-top,0px))}
.figsc{flex:1;overflow:auto;background:#fff;-webkit-overflow-scrolling:touch}
.figsc img{display:block;width:820px;max-width:none;height:auto}

.optrow{flex-direction:row!important;flex-wrap:wrap}
.optrow .opt{flex:1 1 60px;justify-content:center;min-width:56px}
.optrow .opt .k+span:empty{display:none}

.solimg{margin-top:6px}
.solx .solimg{margin-top:0}

.jrow{display:flex;align-items:center;justify-content:space-between;gap:10px;text-align:left;padding:14px 16px;border-radius:14px;background:var(--panel2);border:2px solid var(--line2);font-size:17px;font-weight:700;width:100%}
.jrow .sm{font-weight:500;white-space:nowrap;text-align:right}
.jq{padding:18px 16px}
.jqt{font-size:19px;line-height:1.6;margin-top:6px;overflow-wrap:anywhere}
.jqt math{font-size:1.08em}
.jq.ja{border-color:var(--good)}
.jbtns{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.jbtns button{width:100%}

/* JEE native questions */
.nq{padding:18px 16px;display:flex;flex-direction:column;gap:12px}
.nq .jqt{margin-top:0}
.nopt{align-items:flex-start;font-weight:500;font-size:18px}
.nopt .ot{overflow-wrap:anywhere;line-height:1.55;padding-top:3px;min-width:0}
.nopt .k{margin-top:1px}
.nopt math{font-size:1.08em}
.jsol .sp{margin:0 0 10px;line-height:1.65;overflow-wrap:anywhere}
.jsol math{font-size:1.08em}
.jsol .figimg{margin:6px 0 10px}
/* theory true or false */
.tfstate{font-size:21px;line-height:1.65;margin-top:6px;overflow-wrap:anywhere}
.tfstate math{font-size:1.08em}
.tfbtns{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.tfbtns .opt{justify-content:center;min-height:64px;font-size:22px;font-weight:800}
.tfbtns .opt.good{border-color:var(--good);background:var(--goodbg)}
.tfbtns .opt.bad{border-color:var(--bad);background:var(--badbg)}
.tfres{border-radius:14px;padding:14px 16px;border:2px solid var(--line2);font-size:18px;line-height:1.6}
.tfres.good{border-color:var(--good);background:var(--goodbg)}
.tfres.bad{border-color:var(--bad);background:var(--badbg)}
.tfres b.v{font-size:20px}

/* ---- Games tab ---- */
#gm{max-width:760px;margin:0 auto;padding:6px 0 30px;display:flex;flex-direction:column;gap:14px;color:var(--text)}
#gm .gh h1{margin:0 0 6px;font-size:30px}#gm .gh p{margin:0;color:var(--soft);font-size:16px;line-height:1.5}
#gm .gg{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
#gm .gc{background:var(--panel);border:1px solid var(--line);border-top:5px solid var(--gc);border-radius:18px;padding:18px;display:flex;flex-direction:column;gap:8px}
#gm .gn{font-size:21px;font-weight:800;color:var(--gc)}#gm .gd{color:var(--soft);font-size:15px;line-height:1.4;flex:1}
#gm .gm2{display:flex;flex-direction:column;gap:2px;font-size:14px;color:var(--soft)}#gm .gm2 b{color:var(--text)}
#gm .gtop{display:flex;align-items:center;justify-content:space-between;gap:10px}
#gm .gt{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--gold)}
#gm .gs{display:flex;gap:10px;font-size:16px;flex-wrap:wrap;justify-content:flex-end}
#gm .gok{color:var(--good)}#gm .gno{color:var(--bad)}
#gm .gbar{height:8px;border-radius:99px;background:var(--panel2);overflow:hidden}#gm .gbar i{display:block;height:100%;background:var(--cyan);transition:width .2s linear}
#gm .gq1{background:var(--panel);border:2px solid var(--gc,var(--line));border-radius:20px;padding:26px 12px;text-align:center;font-size:clamp(30px,8vw,48px);font-weight:800;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
#gm .gq{display:inline-block;min-width:1.2em;color:var(--gold)}
#gm .gans{min-height:60px;border-radius:14px;background:#0E1438;border:2px solid var(--line2);text-align:center;font-size:38px;font-weight:800;padding:8px;letter-spacing:2px}
#gm .glast{min-height:24px;text-align:center;font-size:16px;font-weight:700}
#gm .gpad{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
#gm .gk{padding:16px 0;border-radius:14px;border:2px solid var(--line2);background:var(--panel2);color:var(--text);font-size:26px;font-weight:800;touch-action:manipulation}
#gm .gk:active{background:var(--accent)}#gm .gkgo{background:var(--accent);border-color:var(--accent);color:#fff}
#gm .gops{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
#gm .gslot{display:inline-block;min-width:1.3em;border-bottom:4px solid var(--gold);color:var(--gold)}
#gm .gsub{text-align:center;color:var(--soft);font-size:15px}
#gm .gtiles{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
#gm .gtile{min-height:76px;border-radius:14px;border:2px solid var(--line2);background:var(--panel2);color:var(--text);font-size:24px;font-weight:800;touch-action:manipulation;display:flex;align-items:center;justify-content:center}
#gm .gtile.on{border-color:var(--cyan);background:#12315A;box-shadow:0 0 0 3px var(--cyan) inset}
#gm .gtile.ok{border-color:var(--good);background:var(--goodbg)}#gm .gtile.no{border-color:var(--bad);background:var(--badbg)}
#gm .gf{display:inline-flex;flex-direction:column;align-items:center;line-height:1.1}#gm .gf b:first-child{border-bottom:3px solid currentColor;padding:0 6px 2px}#gm .gf b:last-child{padding-top:2px}
#gm .gres{background:var(--panel);border:1px solid var(--line);border-top:5px solid var(--gc);border-radius:20px;padding:26px 18px;display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}
#gm .gbig{font-size:72px;font-weight:800;color:var(--gold);line-height:1}
#gm .gstats{display:flex;gap:18px;font-size:19px;font-weight:700}#gm .gxp{font-size:18px}
#gm .grow{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:6px}

/* ---- install button + guide ---- */
.instbtn{flex:none;border:2px solid var(--cyan);background:transparent;color:var(--cyan);border-radius:999px;padding:8px 14px;font:700 14px inherit;font-family:inherit;cursor:pointer}
.inst .it .inn{color:#fff;text-decoration:underline;font-size:13px;margin-top:2px}
.instg{position:fixed;inset:0;z-index:60;background:rgba(5,8,25,.8);display:flex;align-items:center;justify-content:center;padding:16px}
.instgc{background:#1A2253;border:1px solid #5B67C8;border-radius:20px;padding:22px;max-width:420px;width:100%;color:#fff;display:flex;flex-direction:column;gap:12px}
.instgc h2{margin:0;font-size:22px}.instgb{font-size:16px;line-height:1.5}.instgb p{margin:0 0 8px}.instgb ol{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:6px}.instgb u{text-decoration:none;font-weight:800;color:#35D0E6}
.instgc .ib{align-self:flex-end;background:#6C5CE7;color:#fff;border:0;border-radius:12px;padding:12px 22px;font:700 16px inherit;font-family:inherit;cursor:pointer}

.ingame .top,.ingame #instbar{display:none!important}
#gm .gk{padding:12px 0}#gm .gq1{padding:20px 10px}#gm .gans{min-height:52px;font-size:34px}

/* ---- share to story ---- */
.scov{position:fixed;inset:0;z-index:70;background:rgba(5,8,25,.88);display:flex;align-items:center;justify-content:center;padding:12px;overflow:auto}
.scc{background:#131A42;border:1px solid #5B67C8;border-radius:20px;padding:16px;max-width:460px;width:100%;color:#fff;display:flex;flex-direction:column;gap:12px;max-height:100%;overflow:auto}
.sct{display:flex;align-items:center;justify-content:space-between;font-size:18px}.scx{background:transparent;border:0;color:#fff;font-size:30px;line-height:1;padding:2px 10px;cursor:pointer}
.scp{display:flex;justify-content:center;min-height:120px;align-items:center;color:#C5CCF0}.scp img{max-height:52vh;width:auto;max-width:100%;border-radius:14px;border:1px solid #2A3470}
.scm{min-height:20px;font-size:15px;color:#fff;line-height:1.4}.scb{display:flex;gap:10px;flex-wrap:wrap}.scb .go{padding:14px 22px;font-size:17px}.scb .ghost{padding:12px 16px;font-size:15px}
.scn{font-size:13px;color:#C5CCF0;line-height:1.4}
.scbtn{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;border:2px solid #E1306C;background:transparent;color:#fff;font:700 15px inherit;font-family:inherit;cursor:pointer}

/* Olympiads by class */
.schgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px}
.schch{display:flex;flex-direction:column;gap:4px;text-align:left;cursor:pointer;padding:14px;font:inherit;color:inherit}
.schch b{font-size:16px}
/* ---- Mathelete ---- */
#gm .mtleg{display:grid;grid-template-columns:auto auto 1fr;gap:4px 12px;align-items:baseline;padding:10px 12px;border-left:5px solid var(--c);background:var(--panel2);border-radius:12px}
#gm .mtleg b{font-size:19px;color:var(--c)}#gm .mtleg .mtt{font-weight:800;font-variant-numeric:tabular-nums}#gm .mtleg .sm{grid-column:1/-1}
#gm .mtul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:8px;font-size:16px;line-height:1.45}
#gm .mtnext{display:flex;flex-direction:column;gap:8px;border-top:5px solid var(--c,var(--gold))}
#gm .mtdate{font-size:clamp(24px,6vw,34px);font-weight:800}
#gm .mtbig{display:flex;gap:6px;align-items:baseline;flex-wrap:wrap;font-size:clamp(26px,7vw,44px);font-weight:800;font-variant-numeric:tabular-nums;color:var(--gold)}
#gm .mtcd{display:inline-flex;align-items:baseline;gap:3px;flex-wrap:wrap}#gm .mtcd i{font-style:normal;font-size:.5em;margin-right:8px;color:var(--soft)}
#gm .mtlive{border-top-color:var(--good)}
#gm .mtstart{padding:20px 40px;font-size:22px}
#gm .mtres{border-top:5px solid var(--gold)}
#gm .mtsum{display:flex;gap:16px;align-items:center}
#gm .mtsc{font-size:clamp(44px,12vw,64px);font-weight:800;line-height:1;color:var(--gold);font-variant-numeric:tabular-nums}#gm .mtsc small{font-size:.35em;color:var(--soft);font-weight:700}
#gm .mtmn{font-size:22px;font-weight:800}
#gm .mtmed{flex:0 0 auto;width:34px;height:34px;border-radius:50%;border:3px solid var(--m);display:flex;align-items:center;justify-content:center;color:var(--m);font-weight:800;font-size:16px;background:rgba(255,255,255,.04)}
#gm .mtmed.big{width:84px;height:84px;font-size:40px;border-width:5px}
#gm .mtlr{display:flex;flex-direction:column;gap:4px}
#gm .mtboard{display:flex;flex-direction:column;gap:6px}
#gm .mtrow{display:grid;grid-template-columns:34px 1fr auto auto;gap:10px;align-items:center;padding:8px 10px;border-radius:12px;background:var(--panel2);font-size:17px}
#gm .mtrow.me{outline:2px solid var(--cyan)}#gm .mtrk{font-weight:800;text-align:center}#gm .mtnm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:700}
#gm .mtrow .mtmed{width:26px;height:26px;font-size:12px;border-width:2px}
#gm .mtdet{border:1px solid var(--line);border-radius:14px;padding:4px 12px;background:var(--panel2)}#gm .mtdet summary{cursor:pointer;font-weight:800;font-size:18px;padding:10px 0}
#gm .mtqr{display:flex;flex-direction:column;gap:6px;padding:12px 0;border-top:1px solid var(--line);font-size:16px;line-height:1.45}
#gm .mtop{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:6px;font-size:15px}
#gm .mtop>div{padding:6px 10px;border-radius:10px;border:1px solid var(--line2)}#gm .mtop .good{border-color:var(--good);background:var(--goodbg)}#gm .mtop .bad{border-color:var(--bad);background:var(--badbg)}
#gm .mtop .k{display:inline-block;width:22px;font-weight:800;color:var(--soft)}
#gm .mtseg{position:relative}#gm .mtseg u{position:absolute;top:0;bottom:0;width:2px;background:var(--bg,#0A0F2C);opacity:.9}
#gm .mtln{font-size:20px;font-weight:800}#gm .mtlc{font-size:14px;color:var(--soft);text-align:right;font-variant-numeric:tabular-nums}
#gm .mtq1{background:var(--panel);border:2px solid var(--gc,var(--line));border-radius:20px;padding:20px 14px;text-align:center;font-size:clamp(20px,5vw,28px);font-weight:700;line-height:1.35;overflow-wrap:anywhere}
#gm .mterr{border-color:var(--bad);color:var(--text)}