/* Konark Veda colours, taken from the logo: night black, temple gold, parchment. The variable names are older than
   the palette (--blue is the accent, now bronze gold); light mode is parchment, dark mode the logo's night. */
@font-face{font-family:"Cinzel";src:url("/static/fonts/cinzel.woff2") format("woff2");font-weight:400 900;font-display:swap}
:root{
  --bg:#f6f1e6;--card:#fffdf8;--ink:#211b12;--muted:#6b6150;--line:#e6dbc4;--soft:#f1e8d5;
  --blue:#8a5a0b;--blue2:#a8740f;--bluebg:#f5e7c3;--green:#1e783c;--greenbg:#e9f5ed;--red:#aa2828;--redbg:#fbeeee;
  --amber:#a86400;--amberbg:#fdf3e1;--violet:#6e328c;--violetbg:#f3ecf8;--coin:#a87000;--coinbg:#fbefd0;
  --paper:#fffdf6;--rule:#ece0c6;--shadow:0 1px 2px rgba(60,40,10,.06),0 4px 14px rgba(60,40,10,.07);
  --r:14px;--nav:64px;--onblue:#fff;
  --night:#0d0b12;--night2:#17131d;--gold:#e2b54f;--gold-hi:#f4d38a;--gold-lo:#b8862a;
  --gold-grad:linear-gradient(180deg,#f3d58a,#d6a840 55%,#c08d2c);--ongold:#22180a;
  --display:"Cinzel","Trajan Pro",Georgia,serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0b0a0f;--card:#16131b;--ink:#efe8da;--muted:#a69d8d;--line:#2c2733;--soft:#1f1b25;
  --blue:#e2b54f;--blue2:#f0cd7a;--bluebg:#2b2211;--green:#72cf91;--greenbg:#15261b;--red:#f08a8a;--redbg:#2c1a1a;
  --amber:#f0b85a;--amberbg:#2b2214;--violet:#c69ae6;--violetbg:#291f33;--coin:#f2c14e;--coinbg:#2e2612;
  --paper:#18151d;--rule:#2b2633;--shadow:0 1px 2px rgba(0,0,0,.35),0 6px 18px rgba(0,0,0,.25);--onblue:#1a1205;}}
:root[data-theme="dark"]{
  --bg:#0b0a0f;--card:#16131b;--ink:#efe8da;--muted:#a69d8d;--line:#2c2733;--soft:#1f1b25;
  --blue:#e2b54f;--blue2:#f0cd7a;--bluebg:#2b2211;--green:#72cf91;--greenbg:#15261b;--red:#f08a8a;--redbg:#2c1a1a;
  --amber:#f0b85a;--amberbg:#2b2214;--violet:#c69ae6;--violetbg:#291f33;--coin:#f2c14e;--coinbg:#2e2612;
  --paper:#18151d;--rule:#2b2633;--shadow:0 1px 2px rgba(0,0,0,.35),0 6px 18px rgba(0,0,0,.25);--onblue:#1a1205;}

*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink)}
body{font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-text-size-adjust:100%}
a{color:var(--blue)}
h1{font-size:1.5rem;margin:.2em 0 .3em;letter-spacing:-.01em}
h2{font-size:1.12rem;margin:1.4em 0 .6em}
h3{font-size:1rem;margin:0 0 .4em}
p{margin:.4em 0}
.muted{color:var(--muted)}
.small{font-size:.88rem}
.boot{display:grid;place-items:center;min-height:100vh;color:var(--muted)}
svg.i{width:20px;height:20px;flex:none;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* buttons and fields */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:600;padding:11px 18px;
  border-radius:10px;border:1px solid var(--gold-lo);background:var(--gold-grad);color:var(--ongold);cursor:pointer;text-decoration:none;
  min-height:44px;transition:filter .15s,background .15s;box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 1px 2px rgba(60,40,10,.15)}
.btn:hover{filter:brightness(1.08)}.btn:disabled{opacity:.5;cursor:not-allowed;filter:none}
.btn.line{background:transparent;color:var(--blue);border-color:var(--line);box-shadow:none}
.btn.ghost{background:transparent;color:var(--ink);padding:8px 10px;border-color:transparent;box-shadow:none}
.btn.danger{background:var(--red);color:#fff;border-color:transparent;box-shadow:none}
.btn.wide{width:100%}
.btn.sm{min-height:36px;padding:6px 12px;font-size:.92rem}
label.f{display:block;margin:12px 0}
label.f>span{display:block;font-size:.88rem;font-weight:600;margin-bottom:5px}
input,select,textarea{width:100%;font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);min-height:44px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--blue2);outline-offset:0;border-color:transparent}
textarea{min-height:180px;resize:vertical;line-height:1.6}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row.between{justify-content:space-between}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
@media (max-width:560px){.grid2{grid-template-columns:1fr}}
.err{color:var(--red);font-size:.92rem;min-height:1.2em;margin:6px 0}

/* cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin:12px 0;box-shadow:var(--shadow)}
.card.flat{box-shadow:none}
.chip{display:inline-flex;align-items:center;gap:5px;padding:2px 10px;border-radius:999px;background:var(--soft);font-size:.8rem;font-weight:600;white-space:nowrap}
.chip.ok{background:var(--greenbg);color:var(--green)}.chip.bad{background:var(--redbg);color:var(--red)}
.chip.wait{background:var(--amberbg);color:var(--amber)}.chip.blue{background:var(--bluebg);color:var(--blue)}
.chip.violet{background:var(--violetbg);color:var(--violet)}
.coin{display:inline-flex;align-items:center;gap:6px;background:var(--coinbg);color:var(--coin);font-weight:700;border-radius:999px;padding:4px 12px 4px 6px;text-decoration:none}
.coin i{width:20px;height:20px;border-radius:50%;background:var(--coin);display:grid;place-items:center;color:var(--coinbg);font-style:normal;font-size:.7rem;font-weight:800}

/* auth */
.auth{min-height:100vh;display:grid;place-items:center;padding:24px 16px;
  background:radial-gradient(ellipse 90% 55% at 50% 0%,rgba(226,181,79,.20),transparent 70%),var(--night)}
.auth .brand{font-size:1.5rem;margin-bottom:6px}.auth .brand img{width:52px;height:52px;border-radius:13px}
.auth .box{width:100%;max-width:420px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;font-size:1.2rem;letter-spacing:.05em;text-transform:uppercase;color:var(--blue);text-decoration:none}
.brand span{background:linear-gradient(180deg,var(--gold-hi),var(--gold) 55%,var(--gold-lo));-webkit-background-clip:text;background-clip:text;color:transparent}
.brand img{width:34px;height:34px;border-radius:9px;flex:none}
.tabs{display:flex;background:var(--soft);border-radius:12px;padding:4px;margin:16px 0}
.tabs button{flex:1;font:inherit;font-weight:600;border:0;background:transparent;color:var(--muted);padding:9px;border-radius:9px;cursor:pointer}
.tabs button.on{background:var(--card);color:var(--ink);box-shadow:var(--shadow)}

/* the night surfaces: the logo's black and gold, in light and dark mode alike */
.top,.bottom,.auth,.cta{--bg:var(--night);--card:#16131b;--ink:#efe8da;--muted:#b0a690;--line:rgba(226,181,79,.22);--soft:#211c27;
  --blue:#e2b54f;--blue2:#f0cd7a;--bluebg:rgba(226,181,79,.14);--coin:#f2c14e;--coinbg:rgba(242,193,78,.14);--onblue:#1a1205;
  --red:#f08a8a;--redbg:#2c1a1a;--green:#72cf91;--greenbg:#15261b;--shadow:0 1px 2px rgba(0,0,0,.4);color:var(--ink)}
.top .coin i,.bottom .coin i,.auth .coin i,.cta .coin i{color:#1a1205}

/* shell */
.shell{min-height:100vh;padding-bottom:calc(var(--nav) + env(safe-area-inset-bottom))}
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--night) 94%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid rgba(226,181,79,.28)}
.top .in{max-width:980px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.top nav{display:none;gap:4px}
.top nav a{padding:8px 12px;border-radius:9px;color:var(--muted);text-decoration:none;font-weight:600}
.top nav a.on{background:var(--bluebg);color:var(--blue)}
main.page{max-width:980px;margin:0 auto;padding:12px 16px 32px}
.bottom{position:fixed;left:0;right:0;bottom:0;z-index:20;height:calc(var(--nav) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);
  background:var(--night);border-top:1px solid rgba(226,181,79,.28);display:flex}
.bottom a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--muted);text-decoration:none;font-size:.74rem;font-weight:600}
.bottom a.on{color:var(--blue)}
@media (min-width:800px){.top nav{display:flex}.bottom{display:none}.shell{padding-bottom:0}}

/* home */
.hero{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin:12px 0}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.stat b{display:block;font-size:1.5rem;line-height:1.2}.stat span{color:var(--muted);font-size:.85rem}
.cta{background:radial-gradient(ellipse 70% 120% at 100% 0%,rgba(226,181,79,.28),transparent 60%),linear-gradient(135deg,var(--night2),var(--night));
  color:var(--ink);border:1px solid rgba(226,181,79,.3);border-radius:var(--r);padding:18px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.cta h3{margin:0;font-size:1.15rem;font-family:var(--display);letter-spacing:.03em;color:var(--gold-hi)}.cta p{margin:2px 0 0;color:var(--muted)}
.bars{display:flex;align-items:flex-end;gap:6px;height:110px;padding-top:8px}
.bars div{flex:1;max-width:38px;background:var(--bluebg);border-radius:6px 6px 2px 2px;position:relative;min-height:4px}
.bars div i{position:absolute;inset:auto 0 0 0;background:var(--blue);border-radius:6px 6px 2px 2px}
.bars div span{position:absolute;top:-18px;left:0;right:0;text-align:center;font-size:.7rem;color:var(--muted)}
.topic{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--line)}
.topic:last-child{border-bottom:0}
.meter{height:6px;background:var(--soft);border-radius:4px;overflow:hidden;width:90px;flex:none}.meter i{display:block;height:100%;background:var(--blue)}
.meter.low i{background:var(--red)}.meter.high i{background:var(--green)}

/* lists */
.tlist{display:flex;flex-direction:column;gap:10px}
.titem{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:14px 16px;background:var(--card);border:1px solid var(--line);border-radius:12px;text-decoration:none;color:inherit}
.titem:hover{border-color:var(--blue2)}
.titem .t{font-weight:650}.titem .s{color:var(--muted);font-size:.86rem}
.score{font-weight:800;font-size:1.15rem}
.empty{text-align:center;padding:30px 16px;color:var(--muted)}

/* new test */
.seg{display:flex;gap:8px;flex-wrap:wrap}
.seg button{font:inherit;font-weight:600;padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;min-height:40px}
.seg button.on{background:var(--blue);border-color:var(--blue);color:var(--onblue)}
.chapters{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:8px}
.pick{display:flex;gap:10px;align-items:flex-start;padding:11px 12px;border:1px solid var(--line);border-radius:11px;background:var(--card);cursor:pointer;text-align:left;font:inherit;color:inherit}
.pick.on{border-color:var(--blue);background:var(--bluebg)}
.pick .n{font-size:.78rem;color:var(--muted);font-weight:700;min-width:40px;white-space:nowrap;padding-top:2px}
.tchips{display:flex;flex-wrap:wrap;gap:6px}
.tchips button{font:inherit;font-size:.86rem;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer}
.tchips button.on{background:var(--violetbg);border-color:var(--violet);color:var(--violet)}
/* new test: one bar for class, subject and paper type */
.pickbar{border:1px solid var(--line);border-radius:14px;background:var(--card);padding:6px 14px;margin:12px 0 18px}
.pb-row{display:flex;gap:14px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.pb-l{flex:0 0 72px;font-size:.74rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.pb-chips{display:flex;flex-wrap:wrap;gap:6px;align-items:center;min-width:0}
.pb-chips button{font:inherit;font-size:.9rem;font-weight:600;padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:none;color:var(--ink);cursor:pointer;min-height:36px}
.pb-chips button.on{background:var(--blue);border-color:var(--blue);color:var(--onblue)}
.pb-chips button[data-full]:not(.on){border-style:dashed}
.pb-chips .fixed{font-size:.9rem;font-weight:600;padding:7px 14px;border-radius:999px;background:var(--bluebg);color:var(--blue)}
.pickbar.filters .pb-row:last-child{border-bottom:0}
.pinfo{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:12px 0 8px;font-size:.92rem}
@media (max-width:560px){.pb-row{flex-direction:column;align-items:stretch;gap:6px}.pb-l{flex:none}}
.sticky-go{position:sticky;bottom:calc(var(--nav) + 8px);z-index:10;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 14px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;box-shadow:0 6px 24px rgba(0,0,0,.12);margin-top:18px}
@media (min-width:800px){.sticky-go{bottom:12px}}

/* generating */
.gen{text-align:center;padding:36px 16px;overflow:hidden}

.wait-art{display:block;width:calc(100% + 32px);aspect-ratio:16/9;max-height:260px;margin:-36px -16px 22px;object-fit:contain;background:#010008}
.spinner{width:54px;height:54px;border-radius:50%;border:5px solid var(--bluebg);border-top-color:var(--blue);animation:spin 1s linear infinite;margin:0 auto 18px}
@keyframes spin{to{transform:rotate(360deg)}}
.steps{list-style:none;padding:0;margin:18px auto 0;max-width:360px;text-align:left}
.steps li{padding:6px 0 6px 28px;position:relative;color:var(--muted)}
.steps li::before{content:"";position:absolute;left:4px;top:12px;width:12px;height:12px;border-radius:50%;border:2px solid var(--line)}
.steps li.done{color:var(--ink)}.steps li.done::before{background:var(--green);border-color:var(--green)}
.steps li.now{color:var(--ink);font-weight:600}.steps li.now::before{border-color:var(--blue);animation:pulse 1s infinite}
@keyframes pulse{50%{transform:scale(1.3)}}
.ready-head{display:flex;gap:14px;align-items:center}
.ready-head .tick{width:48px;height:48px;border-radius:50%;background:var(--greenbg);color:var(--green);display:grid;place-items:center;flex:none}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:8px;margin:14px 0}
.facts div{background:var(--soft);border-radius:10px;padding:10px 12px}.facts b{display:block;font-size:1.15rem}.facts span{font-size:.8rem;color:var(--muted)}
.howto{padding-left:1.2em;margin:.4em 0}.howto li{margin:4px 0}

/* exam */
.exam{min-height:100vh;display:flex;flex-direction:column}
.ebar{position:sticky;top:0;z-index:30;background:var(--card);border-bottom:1px solid var(--line)}
.ebar .in{max-width:1180px;margin:0 auto;padding:8px 12px;display:flex;align-items:center;gap:10px;justify-content:space-between}
.etitle{font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.timer{font-variant-numeric:tabular-nums;font-weight:800;font-size:1.1rem;padding:5px 12px;border-radius:9px;background:var(--soft);display:flex;align-items:center;gap:6px}
.timer.low{background:var(--redbg);color:var(--red)}
.saved{font-size:.78rem;color:var(--muted);white-space:nowrap}.saved.off{color:var(--red)}
.ebody{flex:1;width:100%;max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1fr;gap:16px;padding:12px}
@media (min-width:1000px){.ebody{grid-template-columns:1fr 300px}.palette-sheet{display:block!important;position:sticky!important;top:70px;align-self:start;background:none!important;inset:auto!important}
  .palette-sheet .sheet{position:static!important;transform:none!important;max-height:calc(100vh - 90px);box-shadow:none}.pal-toggle,.sheet .close{display:none!important}}
.qcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;min-width:0}
.qmeta{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.qno{font-weight:800;font-size:1.05rem}
.passage{background:var(--soft);border-radius:10px;padding:10px 12px;margin:0 0 12px;font-size:.96rem}
.stem{font-size:1.06rem;line-height:1.65;overflow-x:auto}
.opts{display:flex;flex-direction:column;gap:8px;margin:14px 0 4px}
.opt{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--card);cursor:pointer;text-align:left;font:inherit;color:inherit;width:100%}
.opt .l{width:30px;height:30px;flex:none;border-radius:50%;border:1.5px solid var(--line);display:grid;place-items:center;font-weight:700;text-transform:uppercase;font-size:.9rem}
.opt.multi .l{border-radius:8px}
.opt.on{border-color:var(--blue);background:var(--bluebg)}.opt.on .l{background:var(--blue);border-color:var(--blue);color:var(--onblue)}
.opt .tx{padding-top:3px;min-width:0;overflow-x:auto}
.numwrap{margin:14px 0 4px}
.numwrap input{font-size:1.2rem;font-variant-numeric:tabular-nums;max-width:360px}
.numkeys{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.numkeys button{font:inherit;font-weight:700;min-width:48px;min-height:40px;border-radius:9px;border:1px solid var(--line);background:var(--soft);color:var(--ink);cursor:pointer}
.mode{display:inline-flex;background:var(--soft);border-radius:10px;padding:3px;margin:12px 0 8px}
.mode button{font:inherit;font-weight:600;font-size:.92rem;border:0;background:transparent;color:var(--muted);padding:7px 14px;border-radius:8px;cursor:pointer;display:flex;align-items:center;gap:6px}
.mode button.on{background:var(--card);color:var(--ink);box-shadow:var(--shadow)}
.qfoot{display:flex;gap:8px;justify-content:space-between;flex-wrap:wrap;margin-top:16px;padding-top:12px;border-top:1px solid var(--line)}
.qfoot .row{gap:6px}
.roughbtn{margin-top:12px}

/* palette */
.palette-sheet{display:none;position:fixed;inset:0;z-index:40;background:rgba(0,0,0,.35)}
.palette-sheet.open{display:block}
.sheet{position:absolute;left:0;right:0;bottom:0;max-height:78vh;overflow:auto;background:var(--card);border-radius:18px 18px 0 0;padding:16px;border:1px solid var(--line)}
.pal-sec{margin:10px 0 4px;font-size:.85rem;font-weight:700;color:var(--muted)}
.pal{display:grid;grid-template-columns:repeat(auto-fill,minmax(42px,1fr));gap:6px}
.pal button{font:inherit;font-weight:700;height:42px;border-radius:9px;border:1.5px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;position:relative}
.pal button.seen{background:var(--redbg);border-color:transparent;color:var(--red)}
.pal button.ans{background:var(--greenbg);border-color:transparent;color:var(--green)}
.pal button.mark{background:var(--violetbg);border-color:transparent;color:var(--violet)}
.pal button.mark.ans::after{content:"";position:absolute;right:4px;bottom:4px;width:7px;height:7px;border-radius:50%;background:var(--green)}
.pal button.cur{outline:2.5px solid var(--blue);outline-offset:1px}
.legend{display:grid;grid-template-columns:1fr 1fr;gap:6px;font-size:.8rem;color:var(--muted);margin:12px 0}
.legend span{display:flex;align-items:center;gap:6px}.legend i{width:14px;height:14px;border-radius:4px;border:1.5px solid var(--line)}

/* ink */
.ink{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--paper)}
.ink-tools{display:flex;gap:4px;align-items:center;flex-wrap:wrap;padding:6px;border-bottom:1px solid var(--line);background:var(--card)}
.ink-tools button{font:inherit;font-size:.85rem;min-width:38px;height:38px;border-radius:9px;border:1px solid transparent;background:transparent;color:var(--ink);cursor:pointer;display:grid;place-items:center;padding:0 6px}
.ink-tools button.on{background:var(--bluebg);border-color:var(--blue2);color:var(--blue)}
.ink-tools .sw{width:22px;height:22px;border-radius:50%;border:2px solid var(--card);box-shadow:0 0 0 1px var(--line)}
.ink-tools .sep{width:1px;height:24px;background:var(--line);margin:0 4px}
.ink-tools .grow{flex:1}
.ink-wrap{position:relative;overflow:hidden}
.ink canvas{display:block;width:100%;touch-action:none;cursor:crosshair}
.ink.fingerscroll canvas{touch-action:pan-y}
.ink.ruled .ink-wrap{background-image:linear-gradient(var(--rule) 1px,transparent 1px);background-size:100% var(--rule-gap,32px)}
.ink.grid .ink-wrap{background-image:linear-gradient(var(--rule) 1px,transparent 1px),linear-gradient(90deg,var(--rule) 1px,transparent 1px);background-size:var(--rule-gap,32px) var(--rule-gap,32px)}
.ink-more{display:block;width:100%;border:0;border-top:1px dashed var(--line);background:var(--card);color:var(--blue);font:inherit;font-weight:600;padding:10px;cursor:pointer}
.ink.view .ink-tools,.ink.view .ink-more{display:none}
.ink.view canvas{cursor:default;touch-action:auto}

/* modal and toast */
.modal{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.45);display:grid;place-items:center;padding:16px}
.modal .box{background:var(--card);border-radius:16px;padding:20px;max-width:440px;width:100%;border:1px solid var(--line)}
.counts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:14px 0}
.counts div{text-align:center;background:var(--soft);border-radius:10px;padding:10px}.counts b{display:block;font-size:1.4rem}
.counts span{font-size:.78rem;color:var(--muted)}
#toast{position:fixed;left:50%;bottom:calc(var(--nav) + 18px);transform:translateX(-50%) translateY(20px);opacity:0;pointer-events:none;z-index:80;
  background:var(--ink);color:var(--card);padding:10px 16px;border-radius:10px;font-weight:600;transition:.2s;max-width:calc(100vw - 32px)}
#toast.show{opacity:1;transform:translateX(-50%)}

/* results */
.result-hero{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center}
@media (max-width:560px){.result-hero{grid-template-columns:1fr;text-align:center}.result-hero .ring{margin:0 auto}}
.ring{--p:0;width:120px;height:120px;border-radius:50%;background:conic-gradient(var(--blue) calc(var(--p)*1%),var(--soft) 0);display:grid;place-items:center}
.ring div{width:94px;height:94px;border-radius:50%;background:var(--card);display:grid;place-items:center;text-align:center;line-height:1.1}
.ring b{font-size:1.5rem}.ring span{font-size:.75rem;color:var(--muted)}
.report-frame{width:100%;border:1px solid var(--line);border-radius:var(--r);background:var(--card);min-height:600px;display:block}
.ledger .row{padding:10px 0;border-bottom:1px solid var(--line);justify-content:space-between;flex-wrap:nowrap}
.ledger .row:last-child{border-bottom:0}
.plus{color:var(--green);font-weight:700}.minus{color:var(--red);font-weight:700}
.avatar{width:64px;height:64px;border-radius:50%;background:var(--bluebg);color:var(--blue);display:grid;place-items:center;font-weight:800;font-size:1.4rem;flex:none}
.note{background:var(--amberbg);color:var(--ink);border-radius:10px;padding:10px 12px;font-size:.92rem}
.katex{font-size:1.04em}

/* handwriting */
.readbox{margin-top:10px;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--soft)}
.readbox b{display:inline-flex;align-items:center;gap:6px}
.readbox input,.readbox textarea{margin-top:4px;background:var(--card);font-size:1.05rem}
.readbox textarea{min-height:110px}
.modal .box.wide{max-width:640px;max-height:90vh;overflow:auto}
.photo{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-top:1px solid var(--line)}
.photo img{width:96px;border-radius:8px;border:1px solid var(--line);flex:none}
.readtab{display:flex;flex-direction:column;gap:8px}
.rrow{display:grid;grid-template-columns:auto 1fr;gap:4px 10px;align-items:center}
.rrow label{display:flex;gap:6px;align-items:center;font-weight:700;white-space:nowrap;min-width:64px}
.rrow input[type=checkbox]{width:18px;height:18px;min-height:0}
.rrow input:not([type]){min-height:38px;padding:6px 10px}
.rnote{grid-column:2}
@media (max-width:560px){.photo{flex-direction:column}.photo img{width:140px}}
.spin-s{display:inline-block;width:12px;height:12px;border-radius:50%;border:2px solid var(--bluebg);border-top-color:var(--blue);animation:spin 1s linear infinite;vertical-align:-1px}
.photoq{display:flex;flex-direction:column;gap:8px;margin-top:4px}
.photoq img,.result-photo{max-width:100%;max-height:340px;object-fit:contain;border-radius:10px;border:1px solid var(--line);background:var(--soft);align-self:flex-start}
.result-photo{display:block;margin-top:8px;max-height:260px}
.photo-empty{display:flex;gap:10px;align-items:center;padding:16px;border:1.5px dashed var(--line);border-radius:12px;color:var(--muted);font-size:.92rem}
.cam{width:100%;border-radius:12px;background:#000;margin:8px 0;max-height:60vh}

/* notes, institutes and the admin panels */
.nsearch{display:flex;gap:8px}.nsearch select{width:auto;flex:0 0 auto}
@media (max-width:560px){.nsearch select{max-width:44%}}
.ncards{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin:12px 0}
.ncard{display:flex;flex-direction:column;text-align:left;font:inherit;color:inherit;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:0;overflow:hidden;cursor:pointer}
.ncard:hover{border-color:var(--blue2)}
.ncard .cover{aspect-ratio:3/4;background:var(--soft);display:grid;place-items:center;color:var(--muted);overflow:hidden;border-bottom:1px solid var(--line)}
.ncard .cover img{width:100%;height:100%;object-fit:cover;object-position:top;background:#fff}
.ncard .cover svg.i{width:40px;height:40px}
.ncard .nb{padding:10px 12px;display:flex;flex-direction:column;gap:4px;flex:1}
.ncard .nb b{line-height:1.3;overflow-wrap:anywhere}
.ncard .nb .coin,.ncard .nb .chip{align-self:flex-start;margin-top:auto}
.note-cover{display:block;width:100%;max-height:45vh;object-fit:contain;border:1px solid var(--line);border-radius:10px;background:#fff;margin:8px 0}
.packs{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px;margin:8px 0}
.pack{text-align:center;background:var(--coinbg);border-radius:12px;padding:12px}
.pack b{display:block;font-size:1.4rem;color:var(--coin)}.pack span{font-size:.8rem;color:var(--muted)}.pack div{font-weight:700;margin-top:4px}
.seg a{font:inherit;font-weight:600;padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--ink);text-decoration:none;min-height:40px;display:inline-flex;align-items:center}
.seg a.on{background:var(--blue);border-color:var(--blue);color:var(--onblue)}
.panel-tabs{margin:10px 0 4px}
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.tbl{width:100%;border-collapse:collapse;font-size:.92rem}
.tbl th{text-align:left;font-size:.76rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:700;padding:8px;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl .num{text-align:right;font-variant-numeric:tabular-nums}
.tbl .act{text-align:right;white-space:nowrap}
.tbl a{text-decoration:none}
.notice{padding:10px 0;border-bottom:1px solid var(--line)}.notice:last-child{border-bottom:0}
.notice p{margin:0 0 2px;white-space:pre-wrap}
.cat-kid{padding-left:22px}
.codes{font-family:ui-monospace,Consolas,monospace;min-height:120px}
code{font-family:ui-monospace,Consolas,monospace;font-size:.9em;background:var(--soft);padding:1px 5px;border-radius:5px}
label.chk{display:flex;align-items:center;gap:8px;margin:12px 0;font-weight:600;font-size:.92rem}
label.chk input{width:18px;height:18px;min-height:0}
.bottom a span{white-space:nowrap}
.code-row{display:grid;grid-template-columns:1.2fr 1.4fr 1fr;gap:0 14px}
@media (max-width:560px){.code-row{grid-template-columns:1fr}}
.code-in{text-transform:uppercase;font-family:ui-monospace,Consolas,monospace;letter-spacing:.12em}
.code-show{font-family:ui-monospace,Consolas,monospace;letter-spacing:.12em;font-weight:700;color:var(--blue)}
.found{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;padding:12px;margin-top:6px;border:1px solid var(--line);border-radius:12px;background:var(--soft)}
button.pack{font:inherit;color:inherit;border:1px solid transparent;cursor:pointer}button.pack:hover{border-color:var(--coin)}

/* iPhone and iPad: Safari zooms into any text box smaller than 16px, and a quick double tap zooms the page */
@supports (-webkit-touch-callout: none) {
  input, select, textarea { font-size: max(16px, 1em) !important; }
}
button, a, .btn, .opt, .pick, .ncard, .pack { touch-action: manipulation; }

/* reading notes: no selecting, saving, dragging or printing; hidden when the app is not in front */
.protected{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.reader .pages{--pw:900px;margin-top:8px;overflow-x:auto;overflow-y:visible;touch-action:pan-x pan-y;padding-bottom:6px}
.reader .pg{width:var(--pw);max-width:none;margin:0 auto 8px;text-align:center}
.zoombar{position:sticky;top:64px;z-index:5;display:flex;align-items:center;gap:6px;margin-top:10px;padding:6px 8px;
  background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(6px);border:1px solid var(--line);border-radius:12px;width:fit-content}
.zoombar .btn{min-width:44px;font-size:1.05rem}
.zoombar #zpct{min-width:64px;font-variant-numeric:tabular-nums}
@media (max-width:560px){.zoombar .zhint{display:none}}
.reader .pg img{display:block;width:100%;min-height:200px;background:#fff;border-radius:6px;box-shadow:var(--shadow);
  pointer-events:none;-webkit-user-drag:none;user-select:none}
.reader .veil{display:none}
.reader.veiled .pages{filter:blur(28px)}
.reader.veiled .veil{display:grid;place-items:center;text-align:center;position:fixed;inset:0;z-index:70;background:var(--bg)}
.reader .veil svg.i{width:40px;height:40px;color:var(--muted)}
@media print{.protected,.reader{display:none!important}body::after{content:"Notes cannot be printed.";display:block;padding:40px;font:20px sans-serif}}

/* notifications */
.bell{position:relative;display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;color:var(--ink);text-decoration:none}
.bell:hover{background:var(--soft)}
.bell b{position:absolute;top:2px;right:0;min-width:18px;height:18px;padding:0 4px;border-radius:9px;background:var(--red);color:#fff;
  font-size:.7rem;line-height:18px;text-align:center}
.notif.unread{border-left:4px solid var(--blue)}

/* the opening video (intro.js): the app's own first screen. Phones get a tall version filling the screen; on a
   computer the wide one covers the window with its top and bottom faded into the dark. It fades in on its first
   frame, and ends with a slow zoom and fade into the app. */
#intro{position:fixed;inset:0;z-index:1000;overflow:hidden;background:#010008;transition:opacity .6s ease}
#intro video{position:absolute;opacity:0;transition:opacity .35s ease,transform .7s ease;pointer-events:none}
#intro video::-webkit-media-controls,#intro video::-webkit-media-controls-start-playback-button{display:none!important;-webkit-appearance:none}
#intro.on video{opacity:1}
#intro.tall video{inset:0;width:100%;height:100%;object-fit:cover}
#intro.wide video{left:50%;top:50%;transform:translate(-50%,-50%);width:max(100vw,100vh * 16 / 9);max-width:none;height:auto;
  -webkit-mask-image:linear-gradient(transparent,#000 14%,#000 86%,transparent);mask-image:linear-gradient(transparent,#000 14%,#000 86%,transparent)}
#intro.out{opacity:0;pointer-events:none}
#intro.out.tall video{transform:scale(1.08)}
#intro.out.wide video{transform:translate(-50%,-50%) scale(1.08)}
#intro button{position:absolute;right:max(16px,env(safe-area-inset-right));bottom:max(24px,env(safe-area-inset-bottom));padding:7px 18px;
  border-radius:999px;border:1px solid rgba(244,211,138,.35);background:rgba(1,0,8,.35);color:#f4d38a;font:inherit;font-size:.85rem;
  letter-spacing:.04em;cursor:pointer;opacity:0;animation:intro-skip .4s ease 1.2s forwards;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
@keyframes intro-skip{to{opacity:.85}}