/* =====================================================================
   МатДасгал — дизайн систем
   Токенууд: өнгө (--c-*), үсэг (--fs-*), зай (--sp-*), булан (--r-*)
   Анхдагч: харанхуй неон горим; data-theme="light" цайвар горим.
   ===================================================================== */
:root{
  --font-ui:"Onest",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --font-math:"PT Serif",Georgia,"Times New Roman",serif;
  --fs-xs:12px;--fs-sm:14px;--fs-md:16px;--fs-lg:18px;--fs-xl:22px;--fs-2xl:28px;--fs-3xl:clamp(30px,7.2vw,52px);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:20px;--sp-6:24px;--sp-8:32px;--sp-10:40px;--sp-12:48px;
  --r-sm:10px;--r-md:14px;--r-lg:20px;--r-xl:26px;--r-pill:999px;
  --header-h:60px;--tabbar-h:64px;--maxw:1120px;
  /* анхдагч: харанхуй неон горим (МатДасгалын брэнд) */
  --c-bg:#0b0e13;--c-surface:#131820;--c-surface-2:#1a212b;--c-surface-3:#222a35;
  --c-border:#222a35;--c-border-strong:#303a47;
  --c-text:#eef2f6;--c-text-2:#9aa5b4;--c-text-3:#7d8897;
  --c-primary:#2bf08a;--c-primary-hover:#5af5a5;--c-primary-soft:rgba(43,240,138,.12);--c-on-primary:#0b0e13;
  --c-brand:#2bf08a;--c-on-brand:#0b0e13;
  --c-info:#4cc9ff;--c-info-soft:rgba(76,201,255,.12);
  --c-success:#3ee68f;--c-success-soft:#0f3324;
  --c-danger:#ff6b86;--c-danger-soft:#3a1520;
  --c-warning:#ffd166;--c-warning-soft:#33290f;
  --c-pink:#ff7fb6;--c-pink-soft:rgba(255,111,174,.13);--c-violet:#b49bff;--c-violet-soft:rgba(169,139,255,.14);
  --c-focus:#4cc9ff;
  --glow:0 0 0 1px rgba(43,240,138,.4),0 0 32px -8px rgba(43,240,138,.5);--gl:1;
  --sh-1:0 1px 2px rgba(0,0,0,.4);--sh-2:0 18px 40px -24px rgba(0,0,0,.9);--sh-3:0 24px 60px -24px rgba(0,0,0,.8);
  --glass:rgba(11,14,19,.82);
  color-scheme:dark;
  /* хуучин нэрийн нийцэл (core.js дахь inline загварт ашиглагдана) */
  --bg:var(--c-bg);--card:var(--c-surface);--ink:var(--c-text);--muted:var(--c-text-2);--line:var(--c-border);--line2:var(--c-border-strong);--soft:var(--c-surface-2);
  --good:var(--c-success);--good-bg:var(--c-success-soft);--bad:var(--c-danger);--bad-bg:var(--c-danger-soft);--gold:var(--c-warning);--gold-bg:var(--c-warning-soft);
  --accent:var(--c-info);--accent-soft:var(--c-info-soft);--y:var(--c-primary);--on-y:var(--c-on-primary);--on-good:#0b0e13;--hlc:var(--c-primary);--pen:var(--c-danger);
}
:root[data-theme="light"]{
  --c-bg:#f4f6f9;--c-surface:#ffffff;--c-surface-2:#eceff4;--c-surface-3:#e1e6ed;
  --c-border:#e1e6ed;--c-border-strong:#cfd7e1;
  --c-text:#0e1218;--c-text-2:#566170;--c-text-3:#6b7684;
  --c-primary:#078a49;--c-primary-hover:#067a40;--c-primary-soft:#dcf8e9;--c-on-primary:#ffffff;
  --c-info:#0a6aa1;--c-info-soft:#dff3fc;
  --c-success:#0b7f45;--c-success-soft:#d2f6e2;
  --c-danger:#c6214d;--c-danger-soft:#ffdfe7;
  --c-warning:#7a5300;--c-warning-soft:#fff0b8;
  --c-pink:#b8175a;--c-pink-soft:#ffe4ef;--c-violet:#5f3fd0;--c-violet-soft:#ece6ff;
  --c-focus:#0a6aa1;
  --glow:0 0 0 1px rgba(7,138,73,.35),0 16px 34px -18px rgba(7,138,73,.45);--gl:0;
  --sh-1:0 1px 2px rgba(14,18,24,.05),0 1px 3px rgba(14,18,24,.06);--sh-2:0 1px 2px rgba(14,18,24,.05),0 14px 30px -20px rgba(14,18,24,.3);--sh-3:0 24px 60px -24px rgba(14,18,24,.35);
  --glass:rgba(244,246,249,.86);--on-good:#ffffff;
  color-scheme:light;
}

/* ---------- суурь ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--header-h) + 12px)}
body{margin:0;min-height:100vh;background:var(--c-bg);color:var(--c-text);font-family:var(--font-ui);font-size:var(--fs-md);line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden;font-variant-numeric:tabular-nums}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--c-info)}
img{max-width:100%}
:focus-visible{outline:3px solid var(--c-focus);outline-offset:2px;border-radius:8px}
.skip{position:absolute;left:-9999px;top:8px;z-index:50;background:var(--c-surface);padding:8px 14px;border-radius:var(--r-sm);box-shadow:var(--sh-2)}
.skip:focus{left:8px}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--sp-4)}
h1,h2,h3{letter-spacing:-.02em;line-height:1.2}
h2{font-size:var(--fs-xl);font-weight:800;margin:var(--sp-8) 0 var(--sp-3)}
h3{font-size:var(--fs-lg);font-weight:700;margin:0 0 var(--sp-2)}
.muted{color:var(--c-text-2);margin:0;font-size:var(--fs-sm)}
.center{text-align:center}
.hidden{display:none!important}

/* ---------- толгой ---------- */
.site-header{position:sticky;top:0;z-index:20;background:var(--glass);-webkit-backdrop-filter:saturate(1.4) blur(12px);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--c-border);padding-top:env(safe-area-inset-top,0px)}
.site-header .wrap{display:flex;align-items:center;gap:var(--sp-3);height:var(--header-h)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.03em;cursor:pointer;background:none;border:0;padding:0;color:var(--c-text);text-decoration:none}
.logo{width:34px;height:34px;border-radius:11px;background:var(--c-brand);color:var(--c-on-brand);display:grid;place-items:center;font-family:var(--font-math);font-weight:700;font-size:20px;transform:rotate(-8deg);flex:none}
.topnav{display:none;gap:2px;margin-left:var(--sp-4)}
.topnav button{border:0;background:none;padding:8px 12px;border-radius:var(--r-pill);font-weight:600;font-size:15px;color:var(--c-text-2);cursor:pointer}
.topnav button:hover{color:var(--c-text);background:var(--c-surface-2)}
.topnav button[aria-current="page"]{color:var(--c-text);background:var(--c-surface-3)}
.hdr-r{margin-left:auto;display:flex;align-items:center;gap:var(--sp-2)}
#badge{display:flex;align-items:center;gap:6px}
.iconbtn{width:38px;height:38px;border-radius:50%;border:1px solid var(--c-border-strong);background:var(--c-surface);cursor:pointer;font-size:16px;line-height:1;display:grid;place-items:center;color:var(--c-text)}
.badge{white-space:nowrap;font-size:13.5px;font-weight:700;padding:8px 14px;border-radius:var(--r-pill);background:var(--c-primary);color:var(--c-on-primary);border:0;cursor:pointer}
.badge:hover{background:var(--c-primary-hover)}
.badge.on{cursor:default;background:var(--c-primary-soft);color:var(--c-primary)}
.badge.acct{background:var(--c-surface);color:var(--c-text);box-shadow:inset 0 0 0 1px var(--c-border-strong)}
.badge.acct:hover{background:var(--c-surface-2)}
@media (min-width:900px){.topnav{display:flex}}
@media (max-width:400px){.brand{font-size:16px}.logo{width:30px;height:30px;font-size:17px}.badge{padding:7px 10px;font-size:12.5px}.iconbtn{width:34px;height:34px}}

/* ---------- доод навигаци (утас) ---------- */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;justify-content:space-around;background:var(--glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--c-border);padding:6px 4px calc(6px + env(safe-area-inset-bottom,0px))}
.tabbar button{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;border:0;background:none;padding:4px 2px;border-radius:12px;font-size:11.5px;font-weight:600;color:var(--c-text-3);cursor:pointer;min-height:48px}
.tabbar button .ic{font-family:var(--font-math);font-size:19px;line-height:1.2;font-weight:700}
.tabbar button[aria-current="page"]{color:var(--c-primary)}
body.no-tabbar .tabbar{display:none}
main{padding-bottom:calc(var(--tabbar-h) + 24px)}
@media (min-width:900px){.tabbar{display:none}main{padding-bottom:var(--sp-12)}}

/* ---------- товч, холбоос ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;background:var(--c-primary);color:var(--c-on-primary);font-weight:700;padding:13px 20px;border-radius:var(--r-pill);cursor:pointer;text-decoration:none;line-height:1.2;min-height:46px;transition:background-color .15s,transform .08s}
.btn:hover{background:var(--c-primary-hover)}
.btn:active:not([disabled]){transform:scale(.98)}
.btn.ghost{background:var(--c-surface);color:var(--c-text);box-shadow:inset 0 0 0 1px var(--c-border-strong)}
.btn.ghost:hover{background:var(--c-surface-2)}
.btn.soft{background:var(--c-primary-soft);color:var(--c-primary)}
.btn.sm{padding:8px 14px;font-size:14px;min-height:38px}
.btn.lg{padding:15px 26px;font-size:17px}
.btn.block{width:100%}
.btn[disabled]{opacity:.5;cursor:default}
.btn.warn{background:var(--c-danger);color:#fff}
.link{background:none;border:0;padding:6px 0;cursor:pointer;color:var(--c-info);font-weight:700;text-decoration:none;font-size:inherit}
.link:hover{text-decoration:underline;text-underline-offset:3px}
.row{display:flex;gap:var(--sp-2);margin-top:var(--sp-4);flex-wrap:wrap;align-items:center}
.minirow{display:flex;flex-wrap:wrap;gap:2px 18px;margin:var(--sp-4) 2px 0}

/* ---------- карт, шошго ---------- */
.card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:var(--sp-5);box-shadow:var(--sh-1)}
.card+.card{margin-top:var(--sp-3)}
.tag,.chip{display:inline-flex;align-items:center;gap:6px;background:var(--c-surface-2);color:var(--c-text-2);font-weight:700;padding:4px 11px;border-radius:var(--r-pill);font-size:13px;border:0}
.chip.lv1{background:var(--c-success-soft);color:var(--c-success)}
.chip.lv2{background:var(--c-info-soft);color:var(--c-info)}
.chip.lv3{background:var(--c-warning-soft);color:var(--c-warning)}
.chip.pro{background:var(--c-warning-soft);color:var(--c-warning)}
button.chip{cursor:pointer}
.lock{display:inline-flex;align-items:center;gap:4px;margin-top:6px;font-size:12px;font-weight:700;color:var(--c-warning);background:var(--c-warning-soft);padding:2px 9px;border-radius:var(--r-pill)}
.top{display:flex;justify-content:space-between;align-items:center;font-size:var(--fs-sm);color:var(--c-text-2);margin:var(--sp-4) 0 var(--sp-3);gap:8px;flex-wrap:wrap;font-weight:600;min-height:36px}
.bar{height:8px;background:var(--c-surface-3);border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--c-primary);border-radius:99px;transition:width .5s cubic-bezier(.2,.8,.2,1)}

/* ---------- нүүр: апп хэсэг ---------- */
.hero{padding:var(--sp-8) 0 var(--sp-4)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--c-text-2);border:1px solid var(--c-border-strong);border-radius:var(--r-pill);padding:5px 12px 5px 10px;background:var(--c-surface)}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--c-primary)}
.hero h1{font-size:var(--fs-3xl);font-weight:800;letter-spacing:-.04em;line-height:1.05;margin:var(--sp-4) 0 0;max-width:15em}
.hlt{color:var(--c-primary)}
.sub{margin:var(--sp-3) 0 0;color:var(--c-text-2);font-size:17.5px;max-width:34em}
.hero .row{margin-top:var(--sp-5)}
.trust{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:var(--sp-4);font-size:var(--fs-sm);color:var(--c-text-2)}
.trust b{color:var(--c-text)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:var(--sp-5) 0 0;max-width:520px}
.stats div{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);padding:10px 12px}
.stats b{display:block;font-size:22px;font-weight:800;letter-spacing:-.02em;line-height:1.15}
.stats small{display:block;font-size:12.5px;color:var(--c-text-2);font-weight:600;line-height:1.3}
.greet{margin:var(--sp-6) 0 var(--sp-3);font-size:var(--fs-xl);font-weight:800;letter-spacing:-.02em}
.greet small{display:block;font-size:var(--fs-sm);color:var(--c-text-2);font-weight:500;letter-spacing:0;margin-top:2px}
.me{display:flex;gap:8px;margin:0 0 var(--sp-3)}
.fire,.rank{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);padding:9px 12px}
.fire{flex:none;display:flex;flex-direction:column;justify-content:center;min-width:92px}
.fire b{font-size:20px;font-weight:800;line-height:1.15}
.fire small,.rank small{font-size:12px;color:var(--c-text-2);font-weight:600}
.fire.on b{color:var(--c-warning)}
.rank{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center;gap:4px}
.rk{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.rk b{font-size:15px;font-weight:800}
.home-grid{display:grid;gap:var(--sp-5)}
@media (min-width:980px){.home-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:start}}
.today{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-xl);padding:var(--sp-5) var(--sp-4) var(--sp-4);box-shadow:var(--sh-2)}
.thead{display:flex;justify-content:space-between;align-items:center;gap:10px}
.thead b{font-size:14px;font-weight:800;letter-spacing:.01em;color:var(--c-primary)}
.dots{display:inline-flex;gap:6px}
.dots i{width:10px;height:10px;border-radius:50%;background:var(--c-border-strong)}
.dots i.on{background:var(--c-primary)}
.today .q{margin:12px 2px 16px;font-size:21px}
.tfoot{margin:14px 2px 0;font-size:var(--fs-sm);color:var(--c-text-2)}
.tfoot b{color:var(--c-text)}
.tdone{font-size:19px;font-weight:700;line-height:1.35;margin:10px 0 0}
.seg{display:flex;gap:4px;background:var(--c-surface-2);border:1px solid var(--c-border);border-radius:var(--r-pill);padding:4px;margin:var(--sp-3) 0 0}
.seg button{flex:1;border:0;background:transparent;border-radius:var(--r-pill);padding:9px 4px;font-weight:700;font-size:14.5px;color:var(--c-text-2);cursor:pointer;line-height:1.2}
.seg button small{font-weight:500;font-size:12px}
.seg button.on{background:var(--c-surface);color:var(--c-text);box-shadow:var(--sh-1)}
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tile{position:relative;overflow:hidden;text-align:left;border:1px solid var(--c-border);background:var(--c-surface);border-radius:var(--r-lg);padding:16px 14px;min-height:118px;cursor:pointer;color:var(--c-text);display:flex;flex-direction:column;align-items:flex-start;gap:3px;box-shadow:var(--sh-1);transition:transform .15s,border-color .15s}
.tile:hover{transform:translateY(-2px);border-color:var(--c-border-strong)}
.tile b{font-size:16.5px;font-weight:800;line-height:1.2;letter-spacing:-.01em}
.tile small{font-size:13px;font-weight:600;color:var(--c-text-2)}
.tile>i{position:absolute;right:10px;bottom:-6px;font-family:var(--font-math);font-style:italic;font-weight:700;font-size:58px;line-height:1;color:var(--c-surface-3);pointer-events:none}
.goalcard{display:block;width:100%;text-align:left;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:14px 16px;margin:12px 0 0}
.gtop{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.gtop .link{padding:0}
.grow{display:flex;justify-content:space-between;gap:10px;font-size:14.5px;padding:4px 0}.grow span{color:var(--c-text-2)}
.gnote{display:block;color:var(--c-warning);font-size:12.5px;margin-top:6px}
.hist{display:flex;align-items:flex-end;gap:8px;padding:14px 16px;min-height:130px}
.hb{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px}
.hb i{display:block;width:100%;max-width:30px;background:var(--c-info);border-radius:8px 8px 3px 3px}
.hb small{font-size:12px;color:var(--c-text-2);font-weight:700}
.panel{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:6px 16px}
.brk{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid var(--c-border);font-size:15px}
.brk:last-child{border-bottom:0}

/* ---------- сэдвүүд ---------- */
.topics{display:grid;grid-template-columns:1fr;gap:8px}
@media (min-width:560px){.topics{grid-template-columns:1fr 1fr}}
@media (min-width:980px){.topics.wide{grid-template-columns:repeat(3,1fr)}}
.topic{position:relative;text-align:left;border:1px solid var(--c-border);background:var(--c-surface);border-radius:var(--r-md);padding:12px 12px 12px 62px;cursor:pointer;display:flex;flex-direction:column;justify-content:center;gap:2px;min-height:66px;color:var(--c-text);box-shadow:var(--sh-1);transition:border-color .15s,transform .15s}
.topic:hover{border-color:var(--c-border-strong);transform:translateY(-1px)}
.topic .ti{position:absolute;left:10px;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-family:var(--font-math);font-style:normal;font-weight:700;font-size:15px;white-space:nowrap;color:var(--c-primary);background:var(--c-primary-soft)}
.topic span{font-weight:700;font-size:15px;line-height:1.25}
.topic small{color:var(--c-text-2);font-size:12.5px}
.topic .bar{height:5px;margin-top:5px}
.topic.recm .ti{color:var(--c-warning);background:var(--c-warning-soft)}
.band-h{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin:var(--sp-6) 2px var(--sp-3)}
.band-h h2{margin:0}
.band-h small{color:var(--c-text-2);font-weight:600}

/* ---------- бодлого ---------- */
.sheet{position:relative;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-xl);padding:var(--sp-5) var(--sp-4);box-shadow:var(--sh-2)}
.sheet.slide{animation:slidein .3s cubic-bezier(.2,.8,.2,1)}
@keyframes slidein{from{opacity:0;transform:translateX(24px)}}
.shead{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.q{font-family:var(--font-math);font-size:21px;line-height:1.6;margin:14px 2px 18px;overflow-wrap:anywhere}
.q.sm{font-size:17px;margin:8px 0}
.q .katex{font-size:1.05em}
.m{font-weight:700}
sup,sub{font-size:.68em;line-height:0}
.sys{display:inline-block;border-left:2px solid currentColor;padding:2px 0 2px 12px;margin:6px 0;line-height:1.9}
.choices{display:grid;grid-template-columns:minmax(0,1fr);gap:8px}
@media (min-width:640px){.choices.two{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
.ch,.eopt{position:relative;display:flex;align-items:center;gap:12px;width:100%;text-align:left;border:2px solid var(--c-border);background:var(--c-surface);border-radius:var(--r-md);cursor:pointer;color:var(--c-text);transition:border-color .15s,background-color .15s,transform .08s;padding:8px 14px 8px 8px;min-height:56px}
.ch{font-family:var(--font-math);font-size:18.5px}
.ch>span:last-child,.eopt>span{min-width:0;overflow-x:auto;overflow-y:hidden}
.ch .l,.eopt .el{flex:none;width:36px;height:36px;border-radius:11px;display:grid;place-items:center;font-family:var(--font-ui);font-weight:800;font-size:15px;background:var(--c-surface-2);color:var(--c-text)}
.ch:hover:not([disabled]),.eopt:hover:not([disabled]){border-color:var(--c-text-3)}
.ch:active:not([disabled]),.eopt:active:not([disabled]){transform:scale(.99)}
.ch.sel,.eopt.pick{border-color:var(--c-info)}
.ch.sel .l,.eopt.pick .el{background:var(--c-info);color:#fff}
.ch.ok,.eopt.good{border-color:var(--c-success);background:var(--c-success-soft)}
.ch.ok .l,.eopt.good .el{background:var(--c-success);color:var(--on-good)}
.ch.no,.eopt.bad{border-color:var(--c-danger);background:var(--c-danger-soft)}
.ch.no .l,.eopt.bad .el{background:var(--c-danger);color:#fff}
.ch.no,.eopt.bad{animation:nudge .3s}
@keyframes nudge{30%{transform:translateX(-4px)}70%{transform:translateX(4px)}}
.ch[disabled]{cursor:default}
.ch[disabled]:not(.ok):not(.no){opacity:.55}
.plus{position:absolute!important;right:16px;top:50%;font-family:var(--font-ui);font-weight:800;font-size:19px;color:var(--c-success);animation:plus .9s .2s both ease-out;pointer-events:none}
@keyframes plus{0%{opacity:0;transform:translateY(-50%) scale(.6)}30%{opacity:1;transform:translateY(-80%) scale(1.1)}100%{opacity:0;transform:translateY(-190%)}}
.sol{margin-top:18px;font-size:15.5px;line-height:1.7;overflow-wrap:anywhere}
.sol .h,.verdict{font-weight:800;margin-bottom:8px;font-size:18px}
.verdict.ok{color:var(--c-success)}.verdict.no{color:var(--c-danger)}
.timer{font-weight:800;font-size:15px;background:var(--c-text);color:var(--c-bg);padding:4px 12px;border-radius:var(--r-pill)}
.timer.low{background:var(--c-danger);color:#fff}
.nav{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.nav button{width:38px;height:38px;border-radius:11px;border:0;background:var(--c-surface-2);font-size:13px;font-weight:700;cursor:pointer;color:var(--c-text)}
.nav button.done{background:var(--c-text);color:var(--c-bg)}
.nav button.cur{box-shadow:0 0 0 3px var(--c-info)}
.nav button.fl{background:var(--c-warning-soft);color:var(--c-warning)}
.nav button.fl.done{background:var(--c-warning);color:#fff}
.result{text-align:center;padding:28px 20px}
.score{font-size:68px;font-weight:800;line-height:1;letter-spacing:-.04em;display:inline-block;color:var(--c-primary)}
.result p{margin:8px 0 0;color:var(--c-text-2)}
.result .row{justify-content:center}
details.rev{background:var(--c-surface);border:1px solid var(--c-border);border-left:4px solid var(--c-success);border-radius:var(--r-md);margin-bottom:8px;padding:10px 14px}
details.rev.b{border-left-color:var(--c-danger)}
details.rev summary{cursor:pointer;display:flex;justify-content:space-between;gap:8px;font-size:15px;list-style:none}
details.rev summary::-webkit-details-marker{display:none}
.rvc{display:flex;flex-wrap:wrap;gap:6px 14px;font-family:var(--font-math);font-size:16px;margin:6px 0}
.rvc .okc{color:var(--c-success);font-weight:700}
.rvc .noc{color:var(--c-danger);text-decoration:line-through}
.fillin{width:100%;max-width:260px;padding:12px 14px;border-radius:var(--r-md);border:2px solid var(--c-border-strong);background:var(--c-surface);color:var(--c-text);font-family:var(--font-math);font-size:20px}
.formbox{margin-top:10px;padding:10px 14px;border-radius:var(--r-md);background:var(--c-surface-2)}
.flist{margin:0;padding-left:18px;font-family:var(--font-math);font-size:16px;line-height:1.9;overflow-wrap:anywhere}
.fr{display:inline-flex;flex-direction:column;align-items:center;vertical-align:middle;font-size:.88em;line-height:1.15;margin:0 .12em;text-align:center}
.fr>span{padding:0 .18em}
.fr>span:first-child{border-bottom:1.5px solid currentColor}
.ex{margin:6px 0 4px;padding:8px 12px;background:var(--c-surface-2);border-radius:12px;font-size:15px;line-height:1.75}

/* ---------- үе шаттай тусламж, бодолт ---------- */
.help{margin-top:var(--sp-4);display:grid;gap:10px}
.help-bar{display:flex;flex-wrap:wrap;gap:8px}
.help-bar .btn{flex:1 1 auto}
.errnote{background:var(--c-danger-soft);border-radius:var(--r-md);padding:10px 14px;font-size:15px;line-height:1.6}
.errnote b{display:block;color:var(--c-danger);font-size:13.5px;font-weight:800;margin-bottom:2px}
.hintbox{background:var(--c-info-soft);border-radius:var(--r-md);padding:10px 14px;font-size:15px;line-height:1.65}
.hintbox b{display:block;color:var(--c-info);font-size:13.5px;font-weight:800;margin-bottom:2px}
.sx{margin-top:10px;display:grid;gap:10px}
.sx-ans{display:flex;gap:10px;align-items:center;font-weight:800;padding:10px 12px;border-radius:var(--r-md);background:var(--c-success-soft);overflow-x:auto}
.sx-ans .k{display:inline-grid;place-items:center;flex:none;min-width:32px;height:32px;padding:0 6px;border-radius:10px;background:var(--c-success);color:var(--on-good)}
.sx-hd{font-weight:800;font-size:13.5px;color:var(--c-text-2);margin:4px 0 -2px}
.sx-steps{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.sx-steps li{display:grid;grid-template-columns:28px minmax(0,1fr);gap:10px;align-items:start;padding:8px 2px;line-height:1.65;font-size:15.5px;border-bottom:1px dashed var(--c-border-strong);animation:stepin .3s cubic-bezier(.2,.8,.2,1)}
@keyframes stepin{from{opacity:0;transform:translateY(-6px)}}
.sx-steps li:last-child{border-bottom:0}
.sx-steps .n{display:grid;place-items:center;width:26px;height:26px;border-radius:9px;background:var(--c-primary);color:var(--c-on-primary);font-weight:800;font-size:13px;margin-top:2px}
.sx-steps li>div{min-width:0;overflow-x:auto;overflow-y:hidden;line-height:1.9}
.sx-steps .why{display:block;color:var(--c-text-2);font-size:14px;line-height:1.55;margin-top:2px}
.sx-steps .why::before{content:"Яагаад: ";font-weight:700;color:var(--c-text-3)}
.sx .katex-display{text-align:left;margin:.45em 0}
.sx .katex-display>.katex{text-align:left}
.sx-box{padding:10px 12px;border-radius:var(--r-md);font-size:14.5px;line-height:1.7;overflow-x:auto}
.sx-box>b{display:block;margin-bottom:3px;font-size:13px}
.sx-idea{background:var(--c-info-soft)}
.sx-rule{background:var(--c-warning-soft)}
.sx-trap{background:var(--c-danger-soft)}

/* ---------- цонх ---------- */
.devrow{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3);padding:var(--sp-3) 0;border-top:1px solid var(--c-border)}
.devrow small{display:block;margin-top:2px}
body>.overlay{position:fixed;inset:0;background:rgba(5,8,12,.62);display:grid;place-items:center;padding:16px;z-index:40;animation:fade .15s}
.modal{background:var(--c-surface);border:1px solid var(--c-border);box-shadow:var(--sh-3);border-radius:var(--r-xl);max-width:460px;width:100%;padding:24px;max-height:88vh;overflow:auto;animation:pop .2s cubic-bezier(.2,1.2,.4,1)}
@keyframes fade{from{opacity:0}}
@keyframes pop{from{transform:translateY(10px) scale(.97);opacity:0}}
.pmsg{margin:0 0 14px;padding:10px 12px;background:var(--c-danger-soft);color:var(--c-danger);border-radius:12px;font-weight:700;font-size:14.5px}
.ptitle{font-weight:800;font-size:18px}
.price{font-size:38px;font-weight:800;line-height:1.1;margin:6px 0;letter-spacing:-.03em}
.oldp{font-size:.45em;color:var(--c-text-2);font-weight:500}
.promo{display:inline-block;margin:2px 0 8px;color:var(--c-on-primary);background:var(--c-primary);padding:3px 10px;border-radius:8px;font-weight:700;font-size:14px}
.feat{margin:14px 0;padding-left:20px;line-height:1.8}
.steps{margin:0 0 16px;line-height:1.6;font-size:14.5px;background:var(--c-surface-2);border-radius:var(--r-md);padding:12px 12px 12px 34px}
.steps li{margin:4px 0}
.lbl{display:block;font-weight:700;font-size:14px;margin-bottom:6px}
.codeRow{display:flex;gap:8px}
.codeRow input,.finput{flex:1;min-width:0;width:100%;padding:12px;border-radius:var(--r-md);border:2px solid var(--c-border-strong);background:var(--c-bg);color:var(--c-text);font-weight:700;letter-spacing:.04em;text-transform:uppercase}
.finput{text-transform:none;letter-spacing:0;font-weight:500;margin-bottom:12px}
#loginEmail{text-transform:none;letter-spacing:0;font-weight:500}
.err{color:var(--c-danger);font-size:14px;min-height:20px;margin:6px 0 4px}
.or{text-align:center;color:var(--c-text-2);font-size:13px;margin:14px 0 8px}
.gbtn{width:100%;background:var(--c-surface)!important;color:var(--c-text)!important;box-shadow:inset 0 0 0 1px var(--c-border-strong)}
.gbtn .g{font-weight:800;color:#4285f4;font-size:18px}
.paybtn{width:100%;padding:15px;font-size:16px;margin:4px 0 6px}
.spin{width:34px;height:34px;border:4px solid var(--c-border);border-top-color:var(--c-text);border-radius:50%;margin:14px auto;animation:sp 1s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.toast{position:fixed;left:50%;text-align:center;line-height:1.4;bottom:calc(var(--tabbar-h) + 18px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--c-text);color:var(--c-bg);padding:12px 18px;border-radius:var(--r-md);font-weight:700;z-index:60;box-shadow:var(--sh-2);max-width:min(440px,calc(100vw - 32px));animation:pop .2s}
@media (min-width:900px){.toast{bottom:24px}}
.reptxt{width:100%;padding:12px;border-radius:var(--r-md);border:2px solid var(--c-border-strong);background:var(--c-bg);color:var(--c-text);resize:vertical}
.chcta{margin-top:14px;padding:16px;border-radius:var(--r-lg);background:var(--c-primary-soft)}.chcta b{display:block;font-size:16px}.chcta span{font-size:13.5px;color:var(--c-text-2)}
.lesson .lp{padding-left:20px;margin:10px 0;line-height:1.6}.lesson .lp li{margin:6px 0}
.lex{background:var(--c-surface-2);border-radius:var(--r-md);padding:12px 14px;margin:8px 0 14px}.lexh{font-size:13px;font-weight:700;color:var(--c-text-2)}
.lexq{font-family:var(--font-math);font-size:19px;font-weight:700;margin:4px 0 6px}.lexs{display:flex;gap:10px;align-items:flex-start;margin:6px 0}.lexs .ln{flex:0 0 24px;height:24px;margin-top:2px;border-radius:8px;background:var(--c-primary);color:var(--c-on-primary);font-size:12px;font-weight:800;font-style:normal;display:grid;place-items:center}

/* ---------- сэдвийн хуудас ---------- */
.page-head{display:flex;gap:var(--sp-4);align-items:flex-start;margin:var(--sp-2) 0 var(--sp-4)}
.page-head .ti{flex:none;width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-family:var(--font-math);font-weight:700;font-size:19px;color:var(--c-primary);background:var(--c-primary-soft)}
.page-head h1{font-size:clamp(24px,5.4vw,34px);margin:0;font-weight:800;letter-spacing:-.03em}
.page-head p{margin:4px 0 0;color:var(--c-text-2)}
.mast{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:var(--fs-sm);color:var(--c-text-2)}
.mast .bar{flex:1;max-width:260px}
.tabs{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;border-bottom:1px solid var(--c-border);margin:0 0 var(--sp-4)}
.tabs::-webkit-scrollbar{display:none}
.tabs button{flex:none;border:0;background:none;padding:10px 12px;font-weight:700;font-size:15px;color:var(--c-text-2);cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-1px}
.tabs button[aria-selected="true"]{color:var(--c-text);border-bottom-color:var(--c-primary)}
.tsec{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:var(--sp-5);margin-bottom:var(--sp-3);box-shadow:var(--sh-1)}
.tsec h3{display:flex;align-items:center;gap:8px}
.tsec p{margin:0 0 10px;line-height:1.75;overflow-wrap:anywhere}
.tsec .katex{font-size:1.06em}
.exm{background:var(--c-surface-2);border-radius:var(--r-md);padding:12px 14px;margin-top:10px}
.exm .q{font-size:17px;margin:4px 0 8px}
.exm h4{margin:0;font-size:13.5px;color:var(--c-text-2);font-weight:800}
.locked{position:relative;overflow:hidden}
.locked .blur{filter:blur(5px);user-select:none;pointer-events:none;max-height:150px;overflow:hidden}
.lockbox{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:16px;background:linear-gradient(to bottom,transparent,var(--c-surface) 55%)}
.lockbox div{max-width:30em}
.lockbox b{display:block;font-size:16px;margin-bottom:4px}
.plist{display:grid;grid-template-columns:minmax(0,1fr);gap:8px}
.pitem{display:flex;align-items:center;gap:12px;width:100%;min-width:0;text-align:left;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);padding:10px 12px;cursor:pointer;color:var(--c-text);box-shadow:var(--sh-1)}
.pitem:hover{border-color:var(--c-border-strong)}
.pitem .st{flex:none;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:14px;background:var(--c-surface-2);color:var(--c-text-3)}
.pitem .st.ok{background:var(--c-success-soft);color:var(--c-success)}
.pitem .st.no{background:var(--c-danger-soft);color:var(--c-danger)}
.pitem .pq{flex:1;min-width:0;font-family:var(--font-math);font-size:15.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mistk{margin:0;padding-left:20px;line-height:1.7}
.mistk li{margin:8px 0}
.mistk .fix{display:block;color:var(--c-success)}
.flt{display:grid;gap:8px}
@media (min-width:700px){.flt{grid-template-columns:1fr 1fr}}
.fitem{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);padding:10px 14px;break-inside:avoid}
.fitem small{display:block;color:var(--c-text-2);font-weight:700;font-size:12.5px;margin-bottom:2px}
.fitem .fx{overflow-x:auto;overflow-y:hidden;font-size:17px;padding:2px 0}
.eelist{display:grid;grid-template-columns:minmax(0,1fr);gap:6px}
.eeitem{display:flex;justify-content:space-between;gap:10px;align-items:center;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);padding:10px 12px;cursor:pointer;width:100%;text-align:left;color:var(--c-text)}
.eeitem small{color:var(--c-text-2)}

/* ---------- самбар ---------- */
.kpis{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
@media (min-width:760px){.kpis{grid-template-columns:repeat(4,1fr)}}
.kpi{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:14px 16px;box-shadow:var(--sh-1)}
.kpi b{display:block;font-size:26px;font-weight:800;letter-spacing:-.02em;line-height:1.15}
.kpi small{color:var(--c-text-2);font-weight:600;font-size:13px}
.chart{display:flex;align-items:flex-end;gap:8px;height:150px;padding:10px 4px 0}
.chart .cb{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:4px;height:100%}
.chart .cb i{display:block;width:100%;max-width:34px;border-radius:7px 7px 3px 3px;background:var(--c-primary);min-height:3px}
.chart .cb small{font-size:11.5px;color:var(--c-text-2);font-weight:700}
.chart .cb em{font-style:normal;font-size:11.5px;font-weight:800}
.mrow{display:grid;grid-template-columns:minmax(0,1fr) 120px 44px;gap:10px;align-items:center;padding:8px 0;border-bottom:1px solid var(--c-border);cursor:pointer}
.mrow:last-child{border-bottom:0}
.mrow b{font-size:14.5px;font-weight:700;line-height:1.3}
@media (max-width:480px){.mrow{grid-template-columns:minmax(0,1fr) 72px 40px}}
.mrow em{font-style:normal;font-weight:800;text-align:right;font-size:14px}
.path{display:grid;gap:8px;counter-reset:p}
.path .pstep{display:flex;align-items:center;gap:12px;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);padding:10px 12px;cursor:pointer;width:100%;text-align:left;color:var(--c-text)}
.path .pstep::before{counter-increment:p;content:counter(p);flex:none;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--c-primary-soft);color:var(--c-primary);font-weight:800}
.path .pstep.done::before{content:"✓";background:var(--c-success);color:var(--on-good)}
.path .pstep span{flex:1}
.path .pstep small{color:var(--c-text-2)}
.teaser{position:relative}
.teaser>.blur{filter:blur(6px);pointer-events:none;user-select:none}

/* ---------- ЭЕШ-ийн сан ---------- */
.ehero{margin:var(--sp-4) 0 var(--sp-4)}
.ehero h1{font-size:clamp(28px,7vw,42px);line-height:1.05;margin:4px 0 8px;font-weight:800;letter-spacing:-.03em}
.ehero p{color:var(--c-text-2);margin:0;max-width:40em}
.etabs,.eseg{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 10px}
.eyears{flex-wrap:nowrap;overflow-x:auto;padding:2px 2px 8px;scrollbar-width:none}
.eyears::-webkit-scrollbar{display:none}
.etabs button{flex:none;border:0;background:var(--c-surface-2);color:var(--c-text);border-radius:var(--r-pill);padding:8px 14px;font-weight:700;font-size:14px;cursor:pointer}
.etabs button.on{background:var(--c-text);color:var(--c-bg)}
.epick{display:flex;align-items:center;gap:10px;margin:0 0 12px}
.epick>span{font-size:14px;font-weight:700;color:var(--c-text-2)}
.evars{margin:0;flex-wrap:nowrap}
.evars button{width:44px;height:44px;padding:0;border-radius:var(--r-md);font-size:16px;font-weight:800}
.evars button.on{background:var(--c-primary);color:var(--c-on-primary)}
.eseg{flex-wrap:nowrap;background:var(--c-surface-2);border-radius:var(--r-pill);padding:4px;gap:2px}
.eseg button{flex:1;border:0;background:transparent;color:var(--c-text-2);border-radius:var(--r-pill);padding:9px 4px;font-weight:700;font-size:14px;cursor:pointer}
.eseg button.on{background:var(--c-surface);color:var(--c-text);box-shadow:var(--sh-1)}
.etools{display:flex;gap:18px;flex-wrap:wrap;margin:0 2px 12px}
.estat{position:sticky;top:calc(var(--header-h) + 6px);z-index:3;background:var(--glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:var(--r-md);padding:10px 14px;margin:0 0 14px;box-shadow:var(--sh-1);border:1px solid var(--c-border)}
.eprog{height:8px;border-radius:99px;background:var(--c-surface-3);overflow:hidden}.eprog i{display:block;height:100%;background:var(--c-primary);border-radius:99px}
.estat-row{display:flex;justify-content:space-between;gap:10px;margin-top:6px;font-size:13.5px;color:var(--c-text-2)}.estat-row b{color:var(--c-text)}
.ecard{background:var(--c-surface);border-radius:var(--r-lg);padding:18px 16px 16px;margin:0 0 12px;scroll-margin-top:150px;box-shadow:var(--sh-1);border:1px solid var(--c-border)}
.ecard.is-ok{border-color:var(--c-success)}.ecard.is-no{border-color:var(--c-danger)}
.eqtop{display:flex;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap}
.enum{flex:none;min-width:34px;height:34px;padding:0 8px;border-radius:11px;display:grid;place-items:center;background:var(--c-primary);color:var(--c-on-primary);font-weight:800;font-size:14px}
.etag{flex:1;min-width:0;font-size:13.5px;font-weight:700;color:var(--c-text-2)}
.epts{flex:none;font-size:12.5px;font-weight:700;color:var(--c-text-2)}
.estem,.fstem{font-family:var(--font-math);font-size:18px;line-height:1.75;margin:4px 0 12px;overflow-wrap:anywhere}
.estem .katex,.fstem .katex,.eopt .katex{font-size:1.06em}
.efig{margin:4px 0 12px;text-align:center}
.efig img{max-width:min(100%,420px);max-height:320px;height:auto;border-radius:12px;background:#fff;padding:6px;border:1px solid var(--c-border)}
:root[data-theme="dark"] .efig img{filter:invert(.9) hue-rotate(180deg)}
:root:not([data-theme="light"]) .efig img{filter:invert(.9) hue-rotate(180deg)}
.eopts{display:grid;grid-template-columns:minmax(0,1fr);gap:8px}
@media (min-width:640px){.eopts{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.eopts .eopt:last-child:nth-child(odd){grid-column:1/-1}}
.eopt{padding:7px 12px 7px 7px;min-height:52px}
.eopt>span{font-family:var(--font-math);font-size:17px}
.everd{margin:12px 0 0;font-weight:800;font-size:17px}.everd.ok{color:var(--c-success)}.everd.no{color:var(--c-danger)}
.esolbtn{margin-top:8px}
.esol{margin-top:12px}
.eans{font-weight:800;margin:0 0 6px}
.enote{font-size:13.5px;color:var(--c-text-2);margin:6px 0 10px}
.enoteb{background:var(--c-warning-soft);color:var(--c-text);border-radius:12px;padding:8px 12px;line-height:1.6}
.ekey{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}
.ekey button{border:0;border-radius:12px;padding:6px 4px;text-align:center;background:var(--c-surface-2);font-weight:800;color:var(--c-text);cursor:pointer}
.ekey span{display:block;font-size:11px;color:var(--c-text-2);font-weight:700}
.ekey .k-ok{background:var(--c-success-soft)}.ekey .k-no{background:var(--c-danger-soft)}
@media (min-width:640px){.ekey{grid-template-columns:repeat(9,1fr)}}
.ekeyf{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:15.5px}
.eform{margin:0;padding-left:22px;line-height:1.9;font-size:16px;overflow-wrap:anywhere}.eform li{margin:4px 0;overflow-x:auto}.eform.plain{list-style:none;padding-left:0}
.bx{display:inline-grid;place-items:center;min-width:30px;height:30px;padding:0 6px;border-radius:9px;font-family:var(--font-math);font-style:italic;font-weight:700;background:var(--c-primary-soft);color:var(--c-primary)}
.elk{font-size:.8em}
.elock{text-align:center;padding:28px 18px 22px}
.elock-i{font-size:34px;line-height:1}
.elock h3{margin:10px 0 6px;font-size:19px}
.elock .muted{max-width:30em;margin:0 auto}
.elock .row{justify-content:center}
.fgrid{display:grid;gap:8px;margin:0 0 12px}
@media (min-width:640px){.fgrid{grid-template-columns:1fr 1fr}}
.fb{display:grid;grid-template-columns:auto minmax(0,1fr) 22px;gap:10px;align-items:center;padding:6px 10px;border-radius:var(--r-md);background:var(--c-surface-2);border:2px solid transparent}
.fb .fl{font-weight:700;font-size:15px}
.fb input{width:100%;font-size:16px;padding:8px 10px;border-radius:11px;border:2px solid var(--c-border-strong);background:var(--c-surface);color:var(--c-text);min-width:0}
.fb .fm{font-weight:800;text-align:center}
.fb.good{border-color:var(--c-success);background:var(--c-success-soft)}.fb.good .fm{color:var(--c-success)}
.fb.bad{border-color:var(--c-danger);background:var(--c-danger-soft)}.fb.bad .fm{color:var(--c-danger)}
.fres{margin:10px 0 0;padding:9px 12px;border-radius:12px;background:var(--c-danger-soft);font-weight:700}
.fres.good{background:var(--c-success-soft)}
.tidlink{font-size:13px}

/* ---------- нүүр хуудасны статик хэсэг ---------- */
#landing{padding-bottom:var(--sp-8)}
.l-sec{margin:var(--sp-12) 0 0}
.l-head{max-width:40em;margin-bottom:var(--sp-5)}
.l-head .kicker{font-size:14px;font-weight:800;letter-spacing:.01em;color:var(--c-primary)}
.l-head h2{font-size:clamp(24px,5vw,34px);margin:6px 0 8px;letter-spacing:-.03em}
.l-head p{margin:0;color:var(--c-text-2);font-size:17px}
.feat-grid{display:grid;gap:12px}
@media (min-width:640px){.feat-grid{grid-template-columns:1fr 1fr}}
@media (min-width:980px){.feat-grid{grid-template-columns:repeat(3,1fr)}}
.feat-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:18px;box-shadow:var(--sh-1)}
.feat-card .fi{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:var(--c-primary-soft);color:var(--c-primary);font-family:var(--font-math);font-weight:700;font-size:20px;margin-bottom:10px}
.feat-card h3{margin:0 0 6px;font-size:17px}
.feat-card p{margin:0;color:var(--c-text-2);font-size:15px}
.demo{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-xl);padding:var(--sp-5);box-shadow:var(--sh-2);max-width:760px}
.price-grid{display:grid;gap:12px}
@media (min-width:760px){.price-grid{grid-template-columns:1fr 1fr;max-width:860px}}
.plan{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-xl);padding:22px;box-shadow:var(--sh-1);display:flex;flex-direction:column}
.plan.pro{border:2px solid var(--c-primary);box-shadow:var(--sh-2)}
.plan h3{margin:0;font-size:18px;display:flex;align-items:center;gap:8px}
.plan .amt{font-size:34px;font-weight:800;letter-spacing:-.03em;margin:8px 0 2px}
.plan .amt small{font-size:15px;font-weight:600;color:var(--c-text-2)}
.plan ul{list-style:none;padding:0;margin:14px 0 18px;display:grid;gap:9px;flex:1}
.plan li{display:flex;gap:10px;align-items:flex-start;font-size:15px;line-height:1.45}
.plan li::before{content:"✓";flex:none;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:800;background:var(--c-success-soft);color:var(--c-success);margin-top:1px}
.plan li.no{color:var(--c-text-3)}
.plan li.no::before{content:"–";background:var(--c-surface-2);color:var(--c-text-3)}
.faq{display:grid;gap:8px;max-width:820px}
.faq details{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);padding:4px 16px}
.faq summary{cursor:pointer;font-weight:700;padding:12px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::after{content:"+";font-weight:800;color:var(--c-text-3)}
.faq details[open] summary::after{content:"−"}
.faq summary::-webkit-details-marker{display:none}
.faq details p{margin:0 0 14px;color:var(--c-text-2);line-height:1.65}
.contact{display:grid;gap:10px}
@media (min-width:640px){.contact{grid-template-columns:repeat(3,1fr);max-width:900px}}
.contact a{display:flex;flex-direction:column;gap:2px;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-md);padding:14px 16px;text-decoration:none;color:var(--c-text);font-weight:700;box-shadow:var(--sh-1)}
.contact a small{color:var(--c-text-2);font-weight:600}
.site-footer{border-top:1px solid var(--c-border);margin-top:var(--sp-10);padding:var(--sp-6) 0 calc(var(--tabbar-h) + 28px);color:var(--c-text-2);font-size:14px}
.site-footer .wrap{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;justify-content:space-between}
.site-footer nav{display:flex;flex-wrap:wrap;gap:6px 18px}
.site-footer a{color:var(--c-text-2);text-decoration:none;font-weight:600}
.site-footer a:hover{color:var(--c-text);text-decoration:underline}
@media (min-width:900px){.site-footer{padding-bottom:var(--sp-8)}}


/* ---------- ЭЕШ-ийн таамаг оноо, төлөвлөгөө ---------- */
.vh1{font-size:clamp(26px,6vw,36px);margin:4px 0 14px;letter-spacing:-.03em}
.scorecard{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:var(--sp-5);box-shadow:var(--sh-1);margin-bottom:12px}
.scorecard.compact{padding:14px 16px;margin:0 0 10px}
.sc-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.sc-l{display:block;font-size:13px;font-weight:700;color:var(--c-text-2)}
.sc-num{display:flex;align-items:baseline;gap:4px;margin:2px 0}
.sc-num b{font-size:56px;font-weight:800;line-height:1;letter-spacing:-.04em;color:var(--c-primary);font-variant-numeric:tabular-nums}
.sc-num span{font-size:18px;font-weight:700;color:var(--c-text-2)}
.scorecard.compact .sc-num b{font-size:40px}
.sc-meta{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:12px;font-size:14.5px;color:var(--c-text-2)}
.sc-meta b{color:var(--c-text)}.sc-meta .link{padding:0}
.gauge{margin-top:12px}
.gtrack{position:relative;height:12px;border-radius:99px;background:var(--c-surface-3)}
.grange{position:absolute;top:0;bottom:0;border-radius:99px;background:var(--c-primary-soft);box-shadow:inset 0 0 0 1px var(--c-primary)}
.gfill{position:absolute;left:0;top:3px;bottom:3px;border-radius:99px;background:var(--c-primary)}
.gtarget{position:absolute;top:-5px;bottom:-5px;width:3px;margin-left:-1px;border-radius:2px;background:var(--c-warning)}
.gscale{display:flex;justify-content:space-between;font-size:12px;color:var(--c-text-3);margin-top:4px;font-variant-numeric:tabular-nums}
.gainlist{display:grid;gap:10px}
.gainrow{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:14px 16px;box-shadow:var(--sh-1)}
.gainrow .row{margin-top:10px}
.gr-h{display:grid;grid-template-columns:28px minmax(0,1fr) auto;gap:10px;align-items:center}
.gr-h b{display:block;font-size:16px;line-height:1.3}
.gr-h small{display:block;color:var(--c-text-2);font-size:13px;font-weight:600;margin-top:2px}
.gr-n{width:28px;height:28px;border-radius:9px;display:grid;place-items:center;background:var(--c-surface-2);font-weight:800;font-size:14px}
.gr-g{font-weight:800;font-size:17px;color:var(--c-success);background:var(--c-success-soft);border-radius:var(--r-pill);padding:4px 10px;white-space:nowrap;font-variant-numeric:tabular-nums}
.gr-pre{margin:8px 0 0;font-size:13.5px;color:var(--c-text-2);background:var(--c-warning-soft);border-radius:10px;padding:8px 10px}
.gr-pre .link{padding:0}
.lrow{display:grid;grid-template-columns:minmax(0,9.5rem) minmax(0,1fr) 5.2rem;gap:10px;align-items:center;padding:6px 0;border-bottom:1px solid var(--c-border);font-size:14px}
.lrow:last-child{border-bottom:0}
.lrow span:first-child{font-weight:700;line-height:1.25}
.lrow em{font-style:normal;text-align:right;font-weight:700;color:var(--c-text-2);font-variant-numeric:tabular-nums;font-size:13px}
.ltrack{display:block}
.lbar{display:block;height:10px;border-radius:99px;background:var(--c-danger-soft);overflow:hidden}
.lbar i{display:block;height:100%;background:var(--c-success);border-radius:99px}
.spark{display:block;width:100%;height:70px;margin-top:8px}
.spark polyline{fill:none;stroke:var(--c-primary);stroke-width:2.5;vector-effect:non-scaling-stroke;stroke-linejoin:round;stroke-linecap:round}
.wrow{display:grid;grid-template-columns:minmax(0,9.5rem) minmax(0,1fr) 2.6rem;gap:10px;align-items:center;width:100%;padding:7px 0;border:0;border-bottom:1px solid var(--c-border);background:none;color:var(--c-text);font:inherit;font-size:14px;text-align:left;cursor:pointer}
.wrow:last-of-type{border-bottom:0}
.wrow span:first-child{font-weight:700;line-height:1.25}
.wbar{display:block;height:10px;border-radius:99px;background:var(--c-surface-3);overflow:hidden}
.wbar i{display:block;height:100%;border-radius:99px;background:var(--c-info)}
.wrow b{text-align:right;font-variant-numeric:tabular-nums}
.note{font-size:13px;margin-top:14px;line-height:1.6}
.ewt{margin:8px 0 0;font-size:14px;color:var(--c-text-2)}.ewt b{color:var(--c-text)}.ewt .link{padding:0}
.card.dplan{margin-bottom:10px;padding:14px 16px}
.dplan .gtop{flex-wrap:wrap;gap:4px 10px}.dplan .gtop .link{font-size:14px}
.plist2{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:6px}
.plist2 button{display:grid;grid-template-columns:30px minmax(0,1fr) auto;gap:10px;align-items:center;width:100%;text-align:left;border:1px solid var(--c-border);background:var(--c-surface-2);border-radius:var(--r-md);padding:10px 12px;cursor:pointer;color:var(--c-text);font:inherit;font-size:14.5px;font-weight:700;line-height:1.3}
.plist2 button:hover{border-color:var(--c-border-strong)}
.plist2 i{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:var(--c-surface);font-style:normal;font-family:var(--font-math);font-size:16px}
.plist2 small{display:block;font-weight:600;font-size:12.5px;color:var(--c-text-2);margin-top:1px}
.plist2 em{font-style:normal;font-weight:800;font-size:13px;color:var(--c-text-2);font-variant-numeric:tabular-nums}
.plist2 li.done button{background:var(--c-success-soft);border-color:transparent}
.plist2 li.done i{background:var(--c-success);color:#fff}
.plist2 li.done span{text-decoration:line-through;text-decoration-thickness:1px;color:var(--c-text-2)}
.pgain{margin:0 0 14px;padding:10px 12px;background:var(--c-success-soft);color:var(--c-text);border-radius:12px;font-size:14.5px}
.pgain b{color:var(--c-success)}
@media (max-width:480px){.lrow,.wrow{grid-template-columns:minmax(0,7.2rem) minmax(0,1fr) auto}.sc-num b{font-size:48px}.scorecard:not(.compact) .sc-top{flex-wrap:wrap}}

.l-score{display:grid;gap:16px;align-items:start}
.l-score .gainlist{margin-top:10px}
.l-steps{list-style:none;counter-reset:st;margin:14px 0 0;padding:0;display:grid;gap:10px}
.l-steps li{counter-increment:st;display:grid;grid-template-columns:34px minmax(0,1fr);gap:2px 12px;align-items:start}
.l-steps li::before{content:counter(st);grid-row:span 2;width:34px;height:34px;border-radius:11px;display:grid;place-items:center;background:var(--c-primary-soft);color:var(--c-primary);font-weight:800}
.l-steps b{font-size:16px}.l-steps span{color:var(--c-text-2);font-size:14.5px}
@media (min-width:900px){.l-score{grid-template-columns:1fr 1fr;gap:24px}}


/* ---------- неон брэнд давхарга (хуучин МатДасгалын төрх) ---------- */
.logo{width:36px;height:36px;border-radius:12px;font-size:21px;box-shadow:0 0 22px -4px rgba(43,240,138,.6);transition:transform .25s cubic-bezier(.3,1.6,.5,1)}
.brand:hover .logo{transform:rotate(6deg) scale(1.06)}
.btn{font-weight:800}
.btn:hover{box-shadow:var(--glow)}
.btn.ghost:hover{box-shadow:inset 0 0 0 1px var(--c-text-2)}
.hero{position:relative;isolation:isolate}
#main{overflow-x:clip}
.hero::before{content:"";position:absolute;z-index:-1;left:-4%;top:-70px;width:108%;height:380px;pointer-events:none;background:radial-gradient(closest-side,rgba(43,240,138,.15),transparent),radial-gradient(closest-side at 85% 45%,rgba(76,201,255,.1),transparent)}
:root[data-theme="light"] .hero::before{opacity:.7}
.hero h1{font-size:clamp(38px,11vw,62px);letter-spacing:-.045em;line-height:1.02}
.hlt{position:relative;white-space:nowrap;color:var(--c-primary);text-shadow:0 0 28px rgba(43,240,138,.35)}
.hlt::after{content:"";position:absolute;left:0;right:0;bottom:-.04em;height:.09em;border-radius:99px;background:var(--c-primary);box-shadow:0 0 14px var(--c-primary);transform-origin:left;animation:swipe .6s .2s both cubic-bezier(.2,.8,.2,1)}
:root[data-theme="light"] .hlt{text-shadow:none}
@keyframes swipe{from{transform:scaleX(0)}}
.eyebrow i{box-shadow:0 0 10px var(--c-primary);animation:pulse 2.2s infinite}
@keyframes pulse{50%{opacity:.35}}
.hero.mini{padding:var(--sp-5) 0 var(--sp-4)}
.hero.mini .greet{margin:0;font-size:16px;font-weight:500;color:var(--c-text-2);letter-spacing:0}
.hero.mini .greet b{color:var(--c-text)}
.hero.mini h1{margin-top:6px}
.today{box-shadow:var(--glow);border-color:transparent}
.rank .bar i{box-shadow:0 0 10px var(--c-primary)}
.tile{border-radius:22px;min-height:142px;padding-bottom:54px;transition:transform .18s cubic-bezier(.3,1.6,.5,1),border-color .2s,box-shadow .2s;--c:var(--c-primary)}
.tile>i{right:12px;bottom:-12px;font-size:80px;color:var(--c);text-shadow:0 0 30px var(--c);transform:rotate(-8deg);transition:transform .3s cubic-bezier(.3,1.6,.5,1)}
:root[data-theme="light"] .tile>i{text-shadow:none;opacity:.85}
.tile:hover{transform:translateY(-3px);border-color:var(--c);box-shadow:0 14px 34px -20px var(--c)}
.tile:hover>i{transform:rotate(4deg) scale(1.08)}
.tiles .tile:nth-child(4n+1){--c:var(--c-info)}.tiles .tile:nth-child(4n+2){--c:var(--c-violet)}.tiles .tile:nth-child(4n+3){--c:var(--c-primary)}.tiles .tile:nth-child(4n+4){--c:var(--c-pink)}
.topic{border-radius:18px}
.topics .topic .ti{color:var(--c-primary);background:var(--c-primary-soft)}
.topics .topic:nth-child(4n+2) .ti{color:var(--c-info);background:var(--c-info-soft)}
.topics .topic:nth-child(4n+3) .ti{color:var(--c-violet);background:var(--c-violet-soft)}
.topics .topic:nth-child(4n+4) .ti{color:var(--c-pink);background:var(--c-pink-soft)}
.topic:hover{border-color:var(--c-border-strong);transform:translateY(-2px)}
.feat-card:nth-child(4n+2) .fi{color:var(--c-info);background:var(--c-info-soft)}.feat-card:nth-child(4n+3) .fi{color:var(--c-violet);background:var(--c-violet-soft)}.feat-card:nth-child(4n+4) .fi{color:var(--c-pink);background:var(--c-pink-soft)}
.bar i{box-shadow:0 0 8px rgba(43,240,138,calc(.5*var(--gl)))}
/* шинэ онцлогууд: таамаг оноо, төлөвлөгөө */
.scorecard{position:relative;overflow:hidden;border-radius:24px;box-shadow:var(--glow);border-color:transparent}
.scorecard::before{content:"";position:absolute;inset:auto -30% -60% auto;width:70%;height:120%;pointer-events:none;background:radial-gradient(closest-side,rgba(43,240,138,calc(.14*var(--gl))),transparent)}
.scorecard>*{position:relative}
.sc-l{text-transform:uppercase;letter-spacing:.08em;font-size:12px;font-weight:800;color:var(--c-primary)}
.sc-num b{text-shadow:0 0 30px rgba(43,240,138,calc(.45*var(--gl)))}
.gfill{box-shadow:0 0 12px rgba(43,240,138,calc(.7*var(--gl)))}
.gtarget{background:var(--c-pink);box-shadow:0 0 10px var(--c-pink)}
.gainrow{border-radius:20px;transition:border-color .2s,transform .18s cubic-bezier(.3,1.6,.5,1)}
.gainrow:hover{border-color:var(--c-border-strong);transform:translateY(-2px)}
.gr-n{color:var(--c-primary);background:var(--c-primary-soft)}
.gainlist .gainrow:nth-child(4n+2) .gr-n{color:var(--c-info);background:var(--c-info-soft)}
.gainlist .gainrow:nth-child(4n+3) .gr-n{color:var(--c-violet);background:var(--c-violet-soft)}
.gainlist .gainrow:nth-child(4n+4) .gr-n{color:var(--c-pink);background:var(--c-pink-soft)}
.gr-g{color:var(--c-primary);background:var(--c-primary-soft);box-shadow:inset 0 0 0 1px rgba(43,240,138,calc(.35*var(--gl)))}
.gr-pre{background:var(--c-warning-soft);color:var(--c-text)}
.wbar i{background:linear-gradient(90deg,var(--c-info),var(--c-primary));box-shadow:0 0 10px rgba(76,201,255,calc(.5*var(--gl)))}
.lbar i{box-shadow:0 0 10px rgba(62,230,143,calc(.5*var(--gl)))}
.spark polyline{filter:drop-shadow(0 0 6px rgba(43,240,138,calc(.8*var(--gl))))}
.card.dplan{border-radius:24px}
.dplan .gtop b{font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--c-primary)}
.dplan .chip{background:var(--c-pink-soft);color:var(--c-pink)}
.plist2 button{border-radius:16px;transition:border-color .2s,transform .15s}
.plist2 button:hover{transform:translateX(2px)}
.plist2 li:nth-child(4n+1) i{color:var(--c-info);background:var(--c-info-soft)}
.plist2 li:nth-child(4n+2) i{color:var(--c-primary);background:var(--c-primary-soft)}
.plist2 li:nth-child(4n+3) i{color:var(--c-violet);background:var(--c-violet-soft)}
.plist2 li:nth-child(4n+4) i{color:var(--c-pink);background:var(--c-pink-soft)}
.plist2 li.done i{background:var(--c-success);color:var(--c-on-primary);box-shadow:0 0 10px rgba(62,230,143,calc(.6*var(--gl)))}
.l-steps li::before{box-shadow:0 0 16px -4px rgba(43,240,138,calc(.6*var(--gl)))}
.pgain{background:var(--c-primary-soft);box-shadow:inset 0 0 0 1px rgba(43,240,138,calc(.35*var(--gl)))}
.pgain b{color:var(--c-primary)}

/* ---------- хэвлэх (санамж хуудас) ---------- */
@media print{
  :root{--c-bg:#fff;--c-surface:#fff;--c-text:#000;--c-text-2:#333;--c-border:#ccc;color-scheme:light}
  .site-header,.tabbar,.site-footer,#landing,.noprint,.toast{display:none!important}
  body{background:#fff}
  main{padding:0}
  .fitem,.tsec,.card{box-shadow:none;border-color:#bbb}
  .flt{grid-template-columns:1fr 1fr}
  .print-title{display:block!important}
  a{color:#000}
}
.print-title{display:none}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}

@media (max-width:400px){.tabs button{padding:10px 9px;font-size:14px}}