:root{
  --paper:#F6F8FC; --grid:#DCE5F1; --sheet:#FFFFFF; --ink:#1D2333; --muted:#5D6780; --line:#1D2333;
  --pen:#2346D8; --on-pen:#FFFFFF; --red:#E03A3A; --on-red:#FFFFFF; --mark:#FFE14D; --ok:#139B68;
  --soft:#EDF2FA; --soft2:#E3EAF5; --marg:rgba(224,58,58,.55); --shadow:#1D2333;
  --font:'Onest',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  --hand:'Caveat','Segoe Print','Comic Sans MS',cursive;
  --r:14px; --cell:24px;
  color-scheme:light;
}
:root[data-theme="board"]{
  --paper:#1D2A27; --grid:rgba(238,241,236,.055); --sheet:#243531; --ink:#EEF1EC; --muted:#A9B8B2; --line:rgba(238,241,236,.88);
  --pen:#93B4FF; --on-pen:#0F1B30; --red:#FF7B72; --on-red:#2A0D0B; --mark:#FFE27A; --ok:#74DFA9;
  --soft:#2A3D38; --soft2:#31463F; --marg:rgba(255,123,114,.45); --shadow:rgba(0,0,0,.55);
  color-scheme:dark;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="paper"]){
    --paper:#1D2A27; --grid:rgba(238,241,236,.055); --sheet:#243531; --ink:#EEF1EC; --muted:#A9B8B2; --line:rgba(238,241,236,.88);
    --pen:#93B4FF; --on-pen:#0F1B30; --red:#FF7B72; --on-red:#2A0D0B; --mark:#FFE27A; --ok:#74DFA9;
    --soft:#2A3D38; --soft2:#31463F; --marg:rgba(255,123,114,.45); --shadow:rgba(0,0,0,.55);
    color-scheme:dark;
  }
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; min-height:100vh; min-height:100dvh; color:var(--ink); font:400 16px/1.5 var(--font);
  background-color:var(--paper);
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:var(--cell) var(--cell);
  -webkit-tap-highlight-color:transparent;
}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--pen)}
h1,h2,h3{margin:0;line-height:1.15;letter-spacing:-.02em}
.h1{font-size:clamp(28px,4.2vw,40px);font-weight:800}
.h2{font-size:22px;font-weight:800;margin:0 0 12px}
.h3{font-size:17px;font-weight:700}
.sub{color:var(--muted);margin:6px 0 0}
.muted{color:var(--muted)}
.small{font-size:14px}
.tiny{font-size:12.5px}
.num{font-variant-numeric:tabular-nums}
.hide{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.hl{background:linear-gradient(transparent 52%,var(--mark) 52%,var(--mark) 88%,transparent 88%);padding:0 .12em}
:root[data-theme="board"] .hl{background:linear-gradient(transparent 52%,rgba(255,226,122,.35) 52%,rgba(255,226,122,.35) 88%,transparent 88%)}
@media (prefers-color-scheme:dark){:root:not([data-theme="paper"]) .hl{background:linear-gradient(transparent 52%,rgba(255,226,122,.35) 52%,rgba(255,226,122,.35) 88%,transparent 88%)}}
.pen{font-family:var(--hand);color:var(--red);font-weight:700;line-height:1.05}
.ink{font-family:var(--hand);color:var(--pen);font-weight:700}

/* layout */
.app{display:grid;grid-template-columns:236px minmax(0,1fr);min-height:100vh;min-height:100dvh}
.side{position:sticky;top:0;height:100vh;height:100dvh;padding:22px 18px 18px;border-right:2px solid var(--marg);display:flex;flex-direction:column;gap:4px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:22px;letter-spacing:-.03em;margin:0 6px 22px;text-decoration:none;color:var(--ink)}
.brand svg{flex:none}
.nav a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;text-decoration:none;color:var(--ink);font-weight:600;position:relative}
.nav a svg{width:22px;height:22px;flex:none;opacity:.8}
.nav a:hover{background:var(--soft)}
.nav a.on{background:none}
.nav a.on span{background:linear-gradient(transparent 50%,var(--mark) 50%,var(--mark) 90%,transparent 90%)}
:root[data-theme="board"] .nav a.on span{background:linear-gradient(transparent 50%,rgba(255,226,122,.4) 50%,rgba(255,226,122,.4) 90%,transparent 90%)}
.nav a .dot{position:absolute;left:30px;top:8px;width:9px;height:9px;border-radius:50%;background:var(--red);border:2px solid var(--paper)}
.side .who{margin-top:auto;display:flex;align-items:center;gap:10px;padding:10px 8px;border-top:1.5px dashed var(--grid)}
.side .who b{display:block;font-size:14px;line-height:1.2}
.side .who div span{font-size:12.5px;color:var(--muted)}
main.view{padding:30px clamp(16px,4vw,52px) 110px;max-width:1120px;width:100%}
.tabs{display:none}
@media (max-width:860px){
  .app{grid-template-columns:minmax(0,1fr)}
  .side{display:none}
  main.view{padding:20px 16px calc(96px + env(safe-area-inset-bottom))}
  .tabs{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:40;background:var(--sheet);border-top:2px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
  .tabs a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11.5px;font-weight:600;text-decoration:none;color:var(--muted);padding:4px 0;position:relative}
  .tabs a svg{width:24px;height:24px}
  .tabs a.on{color:var(--ink)}
  .tabs a.on svg{color:var(--pen)}
  .tabs a .dot{position:absolute;top:2px;left:calc(50% + 6px);width:9px;height:9px;border-radius:50%;background:var(--red);border:2px solid var(--sheet)}
}

.top{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:26px}
.sec{margin:34px 0 0}
.sec>.h2{display:flex;align-items:center;gap:10px}
.cols{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}
.two{display:grid;grid-template-columns:1.25fr 1fr;gap:20px}
@media (max-width:980px){.two{grid-template-columns:1fr}}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.row.end{justify-content:flex-end}
.row.sb{justify-content:space-between}
.grow{flex:1}

.sheet{background:var(--sheet);border:2px solid var(--line);border-radius:var(--r);padding:20px}
.sheet.flat{border-width:1.5px;border-color:var(--grid)}
:root[data-theme="board"] .sheet.flat{border-color:rgba(238,241,236,.18)}
.sheet.tape{position:relative}
.sheet.tape::before{content:"";position:absolute;top:-11px;left:50%;width:84px;height:20px;transform:translateX(-50%) rotate(-2deg);background:rgba(255,225,77,.55);border:1px solid rgba(0,0,0,.06)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15.5px;line-height:1;padding:13px 20px;border-radius:999px;border:2px solid var(--line);background:var(--sheet);color:var(--ink);box-shadow:3px 3px 0 var(--shadow);cursor:pointer;text-decoration:none;transition:transform .07s,box-shadow .07s;white-space:nowrap;user-select:none}
.btn:hover{transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--shadow)}
.btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--shadow)}
.btn:disabled{opacity:.5;cursor:default;transform:none;box-shadow:3px 3px 0 var(--shadow)}
.btn.p{background:var(--pen);color:var(--on-pen)}
.btn.r{background:var(--red);color:var(--on-red)}
.btn.y{background:var(--mark);color:#1D2333}
.btn.g{background:var(--ok);color:#fff}
:root[data-theme="board"] .btn.g{color:#0E2A1E}
.btn.big{font-size:19px;padding:17px 30px}
.btn.sm{font-size:14px;padding:9px 14px;box-shadow:2px 2px 0 var(--shadow)}
.btn.ghost{border-color:transparent;box-shadow:none;background:transparent}
.btn.ghost:hover{background:var(--soft);transform:none}
.btn svg{width:20px;height:20px}
.btn.icon{padding:10px;border-radius:12px}
:focus-visible{outline:3px solid var(--pen);outline-offset:2px}
.btn:focus-visible{outline:3px solid var(--mark);outline-offset:3px}

.link{background:none;border:0;padding:0;color:var(--pen);font-weight:600;cursor:pointer;text-decoration:underline;text-underline-offset:3px}

/* chips & segmented */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:10px;padding:11px 16px;border-radius:12px;border:2px solid var(--line);background:var(--sheet);cursor:pointer;font-weight:700;user-select:none;transition:transform .07s}
.chip .op{font-size:22px;font-weight:800;width:26px;height:26px;display:grid;place-items:center;border-radius:8px;background:var(--soft);line-height:1}
.chip[aria-pressed="true"]{background:var(--pen);color:var(--on-pen)}
.chip[aria-pressed="true"] .op{background:rgba(255,255,255,.22)}
.chip:active{transform:scale(.97)}
.seg{display:inline-flex;border:2px solid var(--line);border-radius:12px;overflow:hidden;background:var(--line);flex-wrap:wrap;gap:2px;max-width:100%}
.seg button{flex:1 1 auto;border:0;background:var(--sheet);padding:10px 16px;font-weight:700;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.levels{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}
@media (max-width:1100px) and (min-width:761px){.levels{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:760px){.levels{grid-template-columns:1fr}}
.lv{border:2px solid var(--line);border-radius:12px;background:var(--sheet);padding:12px 12px 10px;cursor:pointer;text-align:left;display:flex;flex-direction:column;gap:6px;transition:transform .07s}
.lv b{font-size:15px;display:flex;align-items:center;gap:8px}
.lv b i{font-style:normal;font-size:12px;font-weight:800;border:1.5px solid currentColor;border-radius:6px;padding:1px 6px;opacity:.8}
.lv span{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;line-height:1.35}
.lv[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.lv[aria-pressed="true"] span{color:var(--paper);opacity:.8}
@media (max-width:760px){.lv{flex-direction:row;align-items:center;justify-content:space-between}.lv span{text-align:right}}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field>span{font-weight:600;font-size:14px}
.input,select.input,textarea.input{width:100%;padding:12px 14px;border-radius:12px;border:2px solid var(--line);background:var(--sheet);font-size:16px;outline:none}
.input:focus{box-shadow:0 0 0 3px var(--mark)}
textarea.input{resize:vertical;min-height:70px}
.input.code{font-weight:800;letter-spacing:.18em;text-transform:uppercase}
.switch{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1.5px dashed var(--grid)}
:root[data-theme="board"] .switch{border-color:rgba(238,241,236,.15)}
.switch:last-child{border-bottom:0}
@media (max-width:600px){.switch:has(.seg){flex-direction:column;align-items:stretch;gap:10px}.switch .seg{display:flex}.btn.sm.icon{min-width:44px;min-height:44px}}
.tg{position:relative;width:52px;height:30px;flex:none;appearance:none;-webkit-appearance:none;border:2px solid var(--line);border-radius:999px;background:var(--soft);cursor:pointer;transition:background .15s}
.tg::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:var(--ink);transition:transform .15s}
.tg:checked{background:var(--ok)}
.tg:checked::after{transform:translateX(22px);background:#fff}

/* avatar, badges */
.ava{width:38px;height:38px;border-radius:50%;flex:none;display:grid;place-items:center;font-weight:800;color:#fff;font-size:16px;border:2px solid var(--line);position:relative}
.ava.s{width:30px;height:30px;font-size:13px}
.ava.l{width:56px;height:56px;font-size:24px}
.ava .on{position:absolute;right:-3px;bottom:-3px;width:12px;height:12px;border-radius:50%;background:#22C55E;border:2px solid var(--sheet)}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;padding:3px 9px 3px 7px;border-radius:999px;border:1.5px solid currentColor;white-space:nowrap}
.badge svg{width:14px;height:14px}
.tag{display:inline-block;font-size:12.5px;font-weight:700;padding:2px 8px;border-radius:7px;background:var(--soft2);white-space:nowrap}
.tag.r{background:rgba(224,58,58,.14);color:var(--red)}
.tag.g{background:rgba(19,155,104,.14);color:var(--ok)}
.tag.b{background:rgba(35,70,216,.12);color:var(--pen)}
.opsl{font-weight:800;letter-spacing:.12em;font-variant-numeric:tabular-nums}

/* stat tiles on paper */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px 18px}
.tile{padding:6px 2px}
.tile b{display:block;font-size:34px;font-weight:800;letter-spacing:-.03em;line-height:1.1;font-variant-numeric:tabular-nums}
.tile>span{font-size:13.5px;color:var(--muted)}
.tile small{font-size:16px;font-weight:700;color:var(--muted)}

/* hero start block */
.startbox{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;padding:24px 26px}
.startbox .ex{font-size:clamp(30px,4.5vw,46px);font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;display:flex;gap:.25em;align-items:baseline;flex-wrap:wrap}
.startbox .ex .ink{font-size:1.15em}
@media (max-width:640px){.startbox{grid-template-columns:1fr}.startbox .btn{width:100%}}

/* homework cards */
.hw{position:relative;display:flex;flex-direction:column;gap:10px}
.hw .meta{display:flex;flex-wrap:wrap;gap:6px}
.hw .note{font-family:var(--hand);color:var(--red);font-size:21px;line-height:1.1;transform:rotate(-1deg)}
.prog{height:12px;border-radius:999px;border:2px solid var(--line);background:var(--soft);overflow:hidden}
.prog i{display:block;height:100%;background:var(--ok);border-right:2px solid var(--line);transition:width .4s}
.prog i[style*="width: 0"],.prog i[style*="width:0"]{border-right:0}
.prog.b i{background:var(--pen)}
.prog.r i{background:var(--red)}
.done-stamp{position:absolute;right:14px;top:10px;font-family:var(--hand);font-weight:700;color:var(--ok);font-size:28px;transform:rotate(-8deg)}

/* lists / journal table */
.list{display:flex;flex-direction:column}
.li{display:flex;align-items:center;gap:12px;padding:12px 4px;border-bottom:1.5px solid var(--grid)}
:root[data-theme="board"] .li{border-color:rgba(238,241,236,.12)}
.li:last-child{border-bottom:0}
.li .grow{min-width:0}
.li .nm{font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.li .sm{font-size:13px;color:var(--muted)}
.tbl{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
.tbl th{font-size:13px;font-weight:600;color:var(--muted);text-align:left;padding:8px 10px;border-bottom:2px solid var(--line);white-space:nowrap}
.tbl td{padding:11px 10px;border-bottom:1.5px solid var(--grid);vertical-align:middle}
:root[data-theme="board"] .tbl td{border-color:rgba(238,241,236,.12)}
.tbl tr.me td{background:rgba(255,225,77,.22)}
.tbl tr.click{cursor:pointer}
.tbl tr.click:hover td{background:var(--soft)}
.tbl .r{text-align:right}
.tbl .c{text-align:center}
.tblwrap{overflow-x:auto;margin:0 -4px;padding:0 4px}
@media (max-width:700px){.tblwrap .tbl th:first-child,.tblwrap .tbl td:first-child{position:sticky;left:0;z-index:1;background:var(--paper)}.tblwrap .who2 b{max-width:130px}}
.place{font-weight:800;font-size:18px;width:36px}
.place.p1{color:#D99A00}.place.p2{color:#8592A8}.place.p3{color:#B8693A}
.who2{display:flex;align-items:center;gap:10px;min-width:0}
.who2 b{display:block;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}
.up{color:var(--ok);font-weight:700}.down{color:var(--red);font-weight:700}

/* league cards on mobile */
.lrow{display:none}
@media (max-width:700px){
  .ltable{display:none}
  .lrow{display:flex;align-items:center;gap:10px;padding:12px 2px;border-bottom:1.5px solid var(--grid)}
  .lrow.me{background:rgba(255,225,77,.22);border-radius:10px;padding-left:8px;padding-right:8px}
  .lrow .st{font-size:12.5px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap}
}

/* play screen */
body.playing .side,body.playing .tabs{display:none}
body.playing .app{grid-template-columns:minmax(0,1fr)}
body.playing main.view{max-width:none;padding:0}
.play{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;padding:14px clamp(14px,3vw,28px) calc(14px + env(safe-area-inset-bottom))}
.ptop{display:flex;align-items:center;gap:14px;max-width:900px;width:100%;margin:0 auto}
.ptop .prog{flex:1;height:14px}
.ptop .cnt{font-weight:800;font-variant-numeric:tabular-nums;min-width:62px;text-align:center}
.ptop .clock{font-weight:800;font-variant-numeric:tabular-nums;min-width:56px;text-align:right}
.ptop .clock.low{color:var(--red)}
.streak{font-family:var(--hand);font-weight:700;color:var(--red);font-size:24px;min-width:44px;text-align:right;line-height:1}
.vs{max-width:900px;width:100%;margin:12px auto 0;display:grid;gap:6px}
.vs .vr{display:grid;grid-template-columns:110px 1fr 54px;gap:10px;align-items:center;font-size:14px;font-weight:700}
.vs .vr span:first-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vs .vr span:last-child{text-align:right;font-variant-numeric:tabular-nums}
.stage{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;min-height:240px;position:relative}
.qwrap{position:relative;padding:10px 26px}
.q{display:flex;align-items:baseline;justify-content:center;gap:.22em;font-weight:800;font-size:clamp(46px,11.5vw,124px);letter-spacing:-.025em;font-variant-numeric:tabular-nums;line-height:1;white-space:nowrap}
.q .eq{color:var(--muted);font-weight:600}
.q .ans{font-family:var(--hand);color:var(--pen);font-weight:700;font-size:1.18em;min-width:1.6ch;padding:0 .08em;border-bottom:.06em solid var(--ink);text-align:center;display:inline-block;line-height:.92;letter-spacing:0}
.q .ans.empty::after{content:"?";opacity:.22}
.q.pop{animation:pop .22s ease-out}
@keyframes pop{from{transform:translateY(10px);opacity:0}to{transform:none;opacity:1}}
.q.shake{animation:shake .32s}
@keyframes shake{20%{transform:translateX(-10px)}40%{transform:translateX(9px)}60%{transform:translateX(-6px)}80%{transform:translateX(3px)}}
.mark{position:absolute;pointer-events:none;inset:-18px -30px;width:calc(100% + 60px);height:calc(100% + 36px);overflow:visible}
.mark path{fill:none;stroke:var(--red);stroke-width:7;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:1;animation:draw .28s ease-out forwards}
.mark.ok path{stroke:var(--ok)}
@keyframes draw{to{stroke-dashoffset:0}}
.fix{font-family:var(--hand);color:var(--red);font-size:clamp(28px,5vw,44px);font-weight:700;min-height:1.2em;transform:rotate(-2deg);text-align:center}
.mic{display:flex;align-items:center;gap:12px;padding:10px 16px 10px 12px;border-radius:999px;border:2px solid var(--line);background:var(--sheet);max-width:min(560px,92vw)}
.mic .ic{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--soft);flex:none;position:relative}
.mic .ic svg{width:22px;height:22px}
.mic.listen .ic{background:var(--pen);color:var(--on-pen)}
.mic.listen .ic::after{content:"";position:absolute;inset:-5px;border-radius:50%;border:2px solid var(--pen);opacity:.6;animation:ring 1.6s infinite}
.mic.speech .ic{background:var(--red);color:var(--on-red)}
.mic.speech .ic::after{content:"";position:absolute;inset:-5px;border-radius:50%;border:2px solid var(--red);animation:ring .7s infinite}
@keyframes ring{from{transform:scale(.9);opacity:.8}to{transform:scale(1.35);opacity:0}}
.mic .tx{font-family:var(--hand);font-size:24px;line-height:1.1;color:var(--ink);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mic .tx.dim{color:var(--muted);font-family:var(--font);font-size:14.5px}
.micwarn{max-width:560px;text-align:center;font-size:14.5px}
.keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;width:100%;max-width:420px;margin:0 auto}
.keypad button{height:62px;border-radius:14px;border:2px solid var(--line);background:var(--sheet);font-size:26px;font-weight:800;box-shadow:2px 2px 0 var(--shadow);cursor:pointer;touch-action:manipulation;user-select:none}
.keypad button:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--shadow)}
.keypad .ok{background:var(--pen);color:var(--on-pen)}
.keypad button svg{width:28px;height:28px;vertical-align:middle}
@media (max-height:640px){.keypad button{height:50px;font-size:22px}}
.phint{text-align:center;color:var(--muted);font-size:13.5px}
.count3{font-size:clamp(120px,30vw,260px);font-weight:900;line-height:1;letter-spacing:-.05em;font-variant-numeric:tabular-nums;animation:pop .3s}

/* result */
.rhead{display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:center}
@media (max-width:620px){.rhead{grid-template-columns:1fr;justify-items:center;text-align:center}}
.grade{position:relative;width:150px;height:150px;display:grid;place-items:center}
.grade svg{position:absolute;inset:0;width:100%;height:100%}
.grade svg path{fill:none;stroke:var(--red);stroke-width:5;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1;animation:draw .7s .15s ease-out forwards}
.grade b{font-family:var(--hand);color:var(--red);font-size:112px;line-height:1;font-weight:700;transform:rotate(-6deg);animation:pop .4s .5s both}
.exlist{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:4px 18px}
.exi{display:flex;align-items:baseline;gap:8px;padding:6px 2px;border-bottom:1.5px dashed var(--grid);font-variant-numeric:tabular-nums;font-weight:600}
:root[data-theme="board"] .exi{border-color:rgba(238,241,236,.15)}
.exi .u{font-family:var(--hand);font-size:23px;color:var(--pen);font-weight:700}
.exi.bad .u{color:var(--red);text-decoration:line-through;text-decoration-thickness:2px}
.exi .fx{font-family:var(--hand);font-size:23px;color:var(--red);font-weight:700}
.exi .t{margin-left:auto;font-size:12.5px;color:var(--muted);font-weight:500}
.exi .ck{color:var(--ok);font-weight:800}

/* auth */
.auth{min-height:100vh;min-height:100dvh;display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:30px;padding:30px clamp(16px,5vw,70px);max-width:1200px;margin:0 auto}
@media (max-width:880px){.auth{grid-template-columns:1fr;padding-top:22px;gap:14px}}
.hero h1{font-size:clamp(36px,6vw,68px);font-weight:900;letter-spacing:-.035em;line-height:1}
.hero p{font-size:18px;color:var(--muted);max-width:30em;margin:16px 0 0}
.demo{margin:34px 0 0;font-size:clamp(40px,7vw,84px);font-weight:800;letter-spacing:-.025em;font-variant-numeric:tabular-nums;display:flex;gap:.22em;align-items:baseline;position:relative;width:max-content;max-width:100%}
.demo .ans{font-family:var(--hand);color:var(--pen);font-size:1.18em;font-weight:700;border-bottom:.06em solid var(--ink);min-width:1.8ch;display:inline-block;text-align:center;line-height:.92}
.demo svg{position:absolute;inset:-16px -26px;width:calc(100% + 52px);height:calc(100% + 32px);overflow:visible;pointer-events:none}
.demo svg path{fill:none;stroke:var(--ok);stroke-width:6;stroke-linecap:round;stroke-linejoin:round}
.demo .pen{position:absolute;right:-8px;top:-34px;font-size:30px;transform:rotate(-8deg)}
@media (max-width:880px){.demo{margin-top:18px}.hero p{font-size:16px}}
.feat{display:grid;grid-template-columns:1fr 1fr;gap:6px 22px;margin:34px 0 0;padding:0;list-style:none;font-size:15px}
.feat li{display:flex;gap:8px;align-items:flex-start}
.feat li svg{width:18px;height:18px;flex:none;margin-top:3px;color:var(--ok)}
@media (max-width:880px){.feat{display:none}}
.authbox{max-width:440px;width:100%;justify-self:center}
.roles{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px}
.role{border:2px solid var(--line);border-radius:12px;padding:12px;background:var(--sheet);cursor:pointer;text-align:left;display:flex;flex-direction:column;gap:3px}
.role b{font-size:16px}
.role span{font-size:12.5px;color:var(--muted);line-height:1.3}
.role[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.role[aria-pressed="true"] span{color:var(--paper);opacity:.75}
.err{color:var(--red);font-weight:600;font-size:14.5px;min-height:1.2em;margin:4px 0 10px}

/* code card */
.codebox{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.codebox .cd{font-size:clamp(34px,5vw,48px);font-weight:900;letter-spacing:.14em;font-variant-numeric:tabular-nums;padding:2px 10px;border:2.5px dashed var(--red);border-radius:12px;color:var(--red)}

/* charts */
.chart{width:100%;height:auto;display:block;overflow:visible}
.chart .ax{stroke:var(--grid);stroke-width:1}
:root[data-theme="board"] .chart .ax{stroke:rgba(238,241,236,.15)}
.chart text{fill:var(--muted);font-size:11px;font-family:var(--font)}
.chart .ln{fill:none;stroke-width:2.5;stroke-linejoin:round;stroke-linecap:round}
.heat{display:grid;grid-auto-flow:column;grid-template-rows:repeat(7,1fr);gap:3px;width:max-content}
.heat i{width:14px;height:14px;border-radius:3px;background:var(--soft2);display:block}
.heat i.l1{background:#B9CBF7}.heat i.l2{background:#7F9DF0}.heat i.l3{background:#4A6FE3}.heat i.l4{background:#2346D8}
:root[data-theme="board"] .heat i.l1{background:#3B5A73}:root[data-theme="board"] .heat i.l2{background:#4F78A8}:root[data-theme="board"] .heat i.l3{background:#6E97DC}:root[data-theme="board"] .heat i.l4{background:#93B4FF}
.opbars{display:grid;gap:12px}
.opbar{display:grid;grid-template-columns:34px 1fr 120px;gap:10px;align-items:center;font-variant-numeric:tabular-nums}
.opbar .o{font-size:24px;font-weight:800;text-align:center}
.opbar .v{font-size:13.5px;text-align:right;color:var(--muted)}
.opbar .v b{color:var(--ink);font-size:15px}

/* modal & toast */
.modal{position:fixed;inset:0;z-index:100;background:rgba(15,20,35,.45);display:grid;place-items:center;padding:16px;animation:fade .15s}
@keyframes fade{from{opacity:0}}
.modal .sheet{width:100%;max-width:460px;max-height:90vh;overflow:auto;animation:pop .2s}
.modal .sheet.wide{max-width:640px}
.toasts{position:fixed;left:50%;top:14px;transform:translateX(-50%);z-index:120;display:flex;flex-direction:column;gap:8px;width:min(440px,92vw)}
.toast{background:var(--ink);color:var(--paper);border-radius:12px;padding:12px 16px;font-weight:600;box-shadow:3px 3px 0 var(--red);animation:pop .2s;display:flex;align-items:center;gap:10px}
.toast .grow{min-width:0}
.toast .btn{box-shadow:none;border-color:var(--paper)}
.empty{padding:22px;text-align:center;color:var(--muted);border:2px dashed var(--grid);border-radius:var(--r)}
:root[data-theme="board"] .empty{border-color:rgba(238,241,236,.2)}
.empty .pen{font-size:26px;display:block;margin-bottom:4px}
.spin{width:22px;height:22px;border:3px solid var(--soft2);border-top-color:var(--pen);border-radius:50%;animation:sp .7s linear infinite;display:inline-block}
@keyframes sp{to{transform:rotate(360deg)}}
.loading{display:flex;justify-content:center;padding:60px 0}
.search{display:flex;flex-direction:column;align-items:center;gap:14px;padding:16px 0}
.search .dots{font-size:44px;font-weight:900;letter-spacing:.2em;color:var(--pen)}
.search .dots span{animation:blink 1.2s infinite}
.search .dots span:nth-child(2){animation-delay:.2s}.search .dots span:nth-child(3){animation-delay:.4s}
@keyframes blink{50%{opacity:.15}}
.duelhead{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:14px;text-align:center}
.duelhead .pl{display:flex;flex-direction:column;align-items:center;gap:8px;min-width:0}
.duelhead .pl b{font-size:18px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.duelhead .x{font-family:var(--hand);font-size:44px;color:var(--red);font-weight:700}
.score{font-size:46px;font-weight:900;font-variant-numeric:tabular-nums;letter-spacing:-.03em}
.confetti{position:fixed;inset:0;pointer-events:none;z-index:90}
.setup{max-width:640px;margin:10vh auto;padding:0 16px}
.setup pre{background:var(--soft);padding:12px;border-radius:10px;overflow:auto;font-size:13.5px}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition:none!important}
}
.q .ans,.demo .ans{position:relative}
.mk{position:absolute;overflow:visible;pointer-events:none}
.mk path{fill:none;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:1;animation:draw .3s ease-out forwards}
.role b svg{width:18px;height:18px;vertical-align:-3px;margin-right:2px}
.waitmic{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;max-width:440px}

.tbl svg{width:18px;height:18px;vertical-align:middle}
.play{position:relative}
@media (max-width:600px){
  .ptop{gap:10px}
  .ptop .cnt{min-width:auto}
  .streak{position:absolute;right:16px;top:58px;font-size:22px}
  .vs{margin-top:16px}
  .vs .vr{grid-template-columns:86px 1fr 44px;font-size:13px}
}
.field>.seg,.field>.chips{align-self:flex-start}
.fix.rep{color:var(--muted);font-size:clamp(20px,3.5vw,28px);transform:none}
.exi .src svg{width:13px;height:13px;vertical-align:-2px;margin-right:4px;opacity:.7}
.inp{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:600;white-space:nowrap;color:var(--muted)}
.inp.v{color:var(--pen)}
.inp svg{width:16px;height:16px}
.fix.second{color:var(--red);font-family:var(--font);font-weight:600;font-size:clamp(16px,2.6vw,20px);transform:none;max-width:560px;line-height:1.35}
.exi .src s{color:var(--red);margin:0 2px}
.chtab{display:flex;flex-direction:column}
.chrow{display:flex;align-items:center;gap:12px;padding:10px 6px;border-bottom:1.5px solid var(--grid)}
:root[data-theme="board"] .chrow{border-color:rgba(238,241,236,.12)}
.chrow.me{background:rgba(255,225,77,.22);border-radius:10px}
.chrow .chn{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chrow .prog{height:10px;margin-top:6px;max-width:420px}
.chs{text-align:right;font-size:14px;white-space:nowrap}
.chs b{font-size:20px}
.chs small{display:block;color:var(--muted);font-size:12px}
.chpts{font-size:26px;min-width:56px;text-align:right}
.chtab.big .chrow{padding:14px 8px}
.chtab.big .chn{font-size:20px}
.chtab.big .chs b{font-size:28px}
.chtab.big .prog{height:14px;max-width:none}
.chclock{font-size:clamp(40px,7vw,72px);font-weight:900;letter-spacing:-.03em}
.chlive{display:flex;gap:16px;align-items:baseline;justify-content:center;flex-wrap:wrap;font-weight:600}
.chlive b{font-size:22px}
.chlive .pen{font-size:26px}
.champhero{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}
@media (max-width:700px){.champhero{grid-template-columns:1fr}}
.champme{display:flex;align-items:center;gap:20px;margin-bottom:20px}
.podium{display:flex;justify-content:center;align-items:flex-end;gap:14px;margin:10px 0 6px}
.pod{display:flex;flex-direction:column;align-items:center;gap:6px;width:min(160px,30vw);text-align:center}
.pod b{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pod .num{font-size:13px;color:var(--muted)}
.pod .step{width:100%;border:2px solid var(--line);border-bottom:0;border-radius:12px 12px 0 0;background:var(--sheet);display:grid;place-items:center;font-family:var(--hand);font-weight:700;font-size:44px;color:var(--red)}
.pod.p1 .step{height:120px;background:var(--mark);color:#1D2333}
.pod.p2 .step{height:86px}
.pod.p3 .step{height:62px}
@media (max-width:860px){.tabs a{font-size:10.5px}}
@media (max-width:860px){.tabs a{min-width:0}.tabs a span{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}
@media (max-width:360px){.tabs a{font-size:9.5px}}
.lvbox{margin-bottom:16px}
.lvnum{width:34px;height:34px;border-radius:10px;border:2px solid var(--line);display:grid;place-items:center;font-weight:800;flex:none}
.lvname{max-width:280px;font-weight:700}
.lvrow{display:grid;grid-template-columns:34px minmax(0,1fr) minmax(0,1fr) minmax(0,1.1fr);gap:12px;align-items:center;padding:10px 0;border-top:1.5px dashed var(--grid)}
:root[data-theme="board"] .lvrow{border-color:rgba(238,241,236,.15)}
.lvop{font-size:24px;font-weight:800;text-align:center}
.lvr>span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:3px}
.lvr .input{width:86px;padding:8px 8px;text-align:center}
.lvr .row{font-size:13.5px;color:var(--muted)}
.lvex{display:flex;flex-direction:column;gap:2px;font-variant-numeric:tabular-nums;font-size:14.5px}
.lvex b{color:var(--pen)}
.lvrow.bad .input{border-color:var(--red)}
.lvbar{position:sticky;bottom:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 0;background:linear-gradient(transparent,var(--paper) 30%)}
@media (max-width:860px){.lvbar{bottom:calc(64px + env(safe-area-inset-bottom))}}
@media (max-width:760px){.lvrow{grid-template-columns:28px 1fr}.lvrow .lvr,.lvrow .lvex{grid-column:2}.lvr .input{width:74px}}
.lvrow{grid-template-columns:34px repeat(3,minmax(0,1fr)) minmax(0,1.05fr)}
.lvr.res>span{color:var(--pen);font-weight:600}
.lverr{color:var(--red);font-size:13.5px;font-weight:600;line-height:1.3}
.lpts{font-size:18px}
@media (max-width:1100px){.lvr .input{width:72px}}
@media (max-width:760px){.lvrow{grid-template-columns:28px 1fr}.lvrow .lvr,.lvrow .lvex{grid-column:2}}

.lvop{grid-row:span 2}
.lvmode{grid-column:2/-1;display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.lvmode .seg button{padding:6px 12px;font-size:13px}
.lvany{display:none;font-style:normal;font-size:13.5px;color:var(--muted);padding:9px 0}
.lvr.off .row{display:none}
.lvr.off .lvany{display:block}
.lvr.off>span{color:var(--muted);font-weight:400}
@media (max-width:760px){.lvmode{grid-column:2}}
.quick{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin-top:14px}
.qbtn{display:flex;align-items:center;gap:14px;padding:14px 16px;border:2px solid var(--line);border-radius:14px;background:var(--sheet);cursor:pointer;text-align:left;transition:transform .07s}
.qbtn:hover{background:var(--soft)}
.qbtn:active{transform:scale(.98)}
.qbtn .qex{flex:none;min-width:78px;padding:6px 10px;border-radius:10px;background:var(--pen);color:var(--on-pen);font-size:22px;font-weight:800;text-align:center;font-variant-numeric:tabular-nums;white-space:nowrap}
.qbtn b{display:block;font-size:16px}
.qbtn span span{font-size:13px;color:var(--muted)}
.whog{display:flex;flex-direction:column;gap:6px;margin-bottom:10px}
.whog:last-child{margin-bottom:0}
.clsbar button{display:inline-flex;align-items:center;gap:6px}
.clsbar svg{width:16px;height:16px}
.cdsm{font-size:20px;letter-spacing:.12em;color:var(--red)}
#codef small{font-size:12.5px;font-weight:400}
.own{margin-top:12px;max-width:640px}
.ownrow{display:grid;grid-template-columns:34px minmax(0,1fr) minmax(0,1fr);gap:12px;align-items:center;padding:8px 0}
.ownrow .lvop{grid-row:auto}
.ownrow+.ownrow{border-top:1.5px dashed var(--grid)}
@media (max-width:560px){.ownrow{grid-template-columns:28px 1fr}.ownrow .lvop{grid-row:span 2}.ownrow .lvr{grid-column:2}}
.applink{display:flex;gap:14px;align-items:center;margin-top:20px;color:inherit;text-decoration:none}
.applink svg{width:28px;height:28px;flex:none}
.steps{margin:0;padding-left:1.3em;line-height:1.6}
.steps li+li{margin-top:6px}