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var(--display);letter-spacing:0;max-width:none}.linkbtn{font:500 .95rem var(--text);color:var(--ink);text-underline-offset:3px;cursor:pointer;background:0 0;border:0;padding:4px 2px;text-decoration:underline}.linkbtn:hover{background:var(--hi);color:var(--pencil)}.btn:disabled,.linkbtn:disabled{opacity:.45;cursor:not-allowed;transform:none}.state{border:1px solid var(--line);background:var(--tint);color:var(--muted);white-space:nowrap;border-radius:999px;padding:1px 10px;font-size:.85rem;font-weight:600;display:inline-block}.state.now{background:var(--hi);border-color:var(--pencil);color:var(--pencil)}.state.done{background:var(--ok-bg);border-color:var(--ok);color:var(--ok)}.meter{background:var(--tint);border:1px solid var(--line);border-radius:999px;max-width:360px;height:8px;overflow:hidden}.meter span{background:var(--ink);height:100%;display:block}.track-row>div:first-child{flex-direction:column;align-items:flex-start;gap:8px;display:flex}.lesson-list{border-top:1.5px solid var(--pencil);flex-direction:column;display:flex}.lesson-link{border-bottom:1.5px solid var(--line);color:var(--pencil);grid-template-columns:40px minmax(0,1fr) auto;align-items:center;gap:16px;padding:18px 8px;text-decoration:none;display:grid}.lesson-link:hover{background:var(--tint);color:var(--pencil)}.lesson-text{flex-direction:column;display:flex}.lesson-text b{font:800 1.15rem var(--display)}.lesson-meta{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:10px;display:flex}.lesson-meta .go{color:#fff;background:var(--ink);border-radius:6px;padding:4px 12px;font-weight:600}.badge{border:1.5px solid var(--pencil);width:36px;height:36px;font:500 1rem var(--mono);background:var(--paper);border-radius:50%;place-items:center;display:grid}.badge.done{background:var(--hi);font-weight:700}.badge.now{border-width:3px}@media (max-width:620px){.lesson-link{grid-template-columns:40px minmax(0,1fr)}.lesson-meta{grid-column:2;justify-content:flex-start}}.player-wrap{max-width:1360px;padding-block:20px 40px}.player{background:var(--paper);border:1.5px solid var(--pencil);border-radius:8px;flex-direction:column;min-height:min(78vh,760px);display:flex;overflow:hidden}.player-top{border-bottom:1.5px solid var(--line);background:var(--tint);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 24px;padding:12px 18px;display:flex}.crumbs{color:var(--muted);flex-wrap:wrap;align-items:center;gap:8px;font-size:.95rem;display:flex}.crumbs [aria-current]{color:var(--pencil);font-weight:600}.dots{align-items:center;gap:6px;display:flex}.dots li{display:flex}.dots button,.dots span{border:1.5px solid var(--bar);background:var(--paper);border-radius:999px;width:22px;height:10px;padding:0;display:block}.dots button{cursor:pointer}.dots .done{background:var(--ink);border-color:var(--ink)}.dots .here{border-color:var(--pencil);box-shadow:0 0 0 2px var(--hi)}.player-body{flex-direction:column;flex:1;min-height:0;display:flex}.player-nav{border-top:1.5px solid var(--line);background:var(--tint);justify-content:space-between;align-items:center;gap:12px;padding:12px 18px;display:flex}.question{flex-direction:column;gap:18px;width:100%;max-width:720px;margin-inline:auto;padding:clamp(24px,5vw,56px) clamp(16px,4vw,32px);display:flex}.question.wide{max-width:760px}.question h2,.inst h2{max-width:none;font-size:clamp(1.35rem,2.6vw,1.75rem)}.question .score{font:900 2.6rem/1 var(--display)}pre.snippet{font-family:var(--mono);background:var(--tint);border:1px solid var(--line);border-left:4px solid var(--ink);border-radius:6px;padding:14px 16px;font-size:.95rem;line-height:1.55;overflow-x:auto}.options{flex-direction:column;gap:10px;display:flex}.option{text-align:left;font:500 1.02rem var(--text);color:var(--pencil);background:var(--paper);border:1.5px solid var(--pencil);cursor:pointer;border-radius:8px;grid-template-columns:32px minmax(0,1fr);align-items:center;gap:12px;padding:12px 14px;display:grid}.option:hover:not(:disabled){background:var(--hi)}.option .letter{font:500 .95rem var(--mono);border:1.5px solid var(--pencil);background:var(--paper);border-radius:50%;place-items:center;width:30px;height:30px;display:grid}.option:disabled{cursor:default;opacity:.6}.option.right{background:var(--ok-bg);border-color:var(--ok);opacity:1}.option.wrong{background:var(--bad-bg);border-color:var(--bad);text-decoration:line-through}.verdict{border:1.5px solid var(--line);background:var(--paper);border-left-width:8px;border-radius:6px;padding:10px 14px}.verdict.ok{border-color:var(--ok);background:var(--ok-bg)}.verdict.bad{border-color:var(--bad);background:var(--bad-bg)}.num-form{flex-direction:column;gap:6px;display:flex}.num-form label{font-weight:600}.num-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.num-row input{font:500 1.15rem var(--mono);border:1.5px solid var(--pencil);background:var(--paper);width:160px;color:var(--pencil);border-radius:6px;padding:9px 12px}.num-row input:focus{outline:3px solid var(--ink);outline-offset:1px}.hint-line{color:var(--muted);font-size:.88rem}table.payoff.big{font-size:1.05rem}table.payoff.big td{min-width:96px;height:56px;padding:0;font-size:1.15rem}table.payoff.big td.on{background:var(--hi);font-weight:700}table.payoff.big td button{width:100%;height:56px;font:inherit;cursor:pointer;color:var(--pencil);background:0 0;border:0}table.payoff.big td button:hover{background:var(--tint)}table.payoff.big td.on button:hover{background:var(--hi)}.scorebar{background:var(--tint);border:1px solid var(--line);border-radius:6px;flex-wrap:wrap;gap:8px 28px;padding:10px 14px;display:flex}.sim-chart{border:1.5px solid var(--pencil);background:var(--paper);border-radius:8px;padding:8px}.sim-chart svg{width:100%;height:auto;display:block}.code-step{flex:1;grid-template-columns:minmax(0,5fr) minmax(0,7fr);min-height:0;display:grid}.inst{border-right:1.5px solid var(--line);flex-direction:column;gap:16px;padding:clamp(18px,3vw,32px);display:flex;overflow-y:auto}.task{border:1.5px solid var(--pencil);background:var(--tint);border-radius:8px;padding:14px 16px}.task h3{font:600 .95rem var(--text);color:var(--ink);margin-bottom:6px}.task ul{flex-direction:column;gap:8px;display:flex}.task li{padding-left:28px;position:relative}.task li:before{content:"";border:1.5px solid var(--pencil);background:var(--paper);border-radius:4px;width:18px;height:18px;position:absolute;top:4px;left:0}.task li.ok:before{background:var(--hi);content:"✓";place-items:center;font-size:13px;font-weight:700;display:grid}.hint summary{cursor:pointer;color:var(--ink);font-weight:500}.hint pre{font-family:var(--mono);background:var(--tint);border:1px dashed var(--bar);white-space:pre-wrap;border-radius:6px;margin-top:8px;padding:10px 12px;font-size:.92rem;overflow-x:auto}.workspace{flex-direction:column;min-width:0;min-height:0;display:flex}.ws-bar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:8px 14px;font-size:.9rem;display:flex}.ws-bar .file{font-family:var(--mono);font-weight:500}.ws-bar .lang{color:var(--muted)}.editor{border-bottom:1px solid var(--line);flex:260px;min-height:240px;max-height:420px;overflow:hidden}.ws-actions{border-bottom:1px solid var(--line);background:var(--paper);flex-wrap:wrap;align-items:center;gap:10px;padding:10px 14px;display:flex}.ws-actions .spacer{flex:1}.console{background:var(--term);color:#eef2f7;min-height:170px;font-family:var(--mono);flex:170px;padding:14px 16px;font-size:.93rem;line-height:1.5;overflow:auto}.console pre{white-space:pre-wrap;word-break:break-word}.console .err{color:#ffb4a8}.console .dim{color:#9aa6c2;font-family:var(--text)}.console img{background:#fff;border-radius:4px;width:100%;max-width:380px;margin-top:10px;display:block}@media (max-width:900px){.code-step{grid-template-columns:minmax(0,1fr)}.inst{border-right:0;border-bottom:1.5px solid var(--line);overflow:visible}.editor{max-height:320px}}.console:has(img){min-height:440px}.kit3d{flex-direction:column;gap:14px;display:flex}.kit3d-stage{aspect-ratio:16/10;border:1.5px solid var(--pencil);touch-action:none;cursor:grab;background:#ffffffb8;border-radius:8px;width:100%;max-height:620px;overflow:hidden}.kit3d-stage:active{cursor:grabbing}.kit3d-stage canvas{display:block}.kit3d-bar{flex-wrap:wrap;align-items:center;gap:10px 14px;display:flex}.kit3d-bar label{font-weight:600}.kit3d-bar input[type=range]{min-width:0;max-width:360px;accent-color:var(--ink);flex:180px;height:28px}.chips{flex-wrap:wrap;gap:8px;display:flex}.chip{font:500 .95rem var(--text);color:var(--pencil);background:var(--paper);border:1.5px solid var(--pencil);cursor:pointer;border-radius:999px;padding:5px 14px}.chip:hover{background:var(--tint)}.chip.on{background:var(--hi)}@media (max-width:700px){.kit3d-stage{aspect-ratio:1}}.blueprint{background:var(--paper);border:1.5px solid var(--pencil);border-radius:8px;padding:12px;overflow-x:auto}.blueprint svg{width:100%;min-width:560px;height:auto;display:block}.blueprint text{font-family:var(--mono)}.legend{flex-wrap:wrap;gap:6px 20px;font-size:.95rem;display:flex}.legend span{align-items:center;gap:8px;display:inline-flex}.legend i{border-top:3px solid;width:28px;height:0;display:inline-block}.navbtn{font:500 .98rem var(--text);color:var(--pencil);cursor:pointer;background:0 0;border:0;padding:0}.navbtn:hover{background:var(--hi)}@media (max-width:1180px){.navbtn{text-align:left;border-bottom:1px solid var(--line);width:100%;padding:10px 0}}.task li.free{padding-left:0}.task li.free:before{display:none}.group-head{font:800 1.1rem var(--display);color:var(--ink);padding:18px 0 10px}.sr{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.move{font-family:var(--mono);font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:500}.move.up{color:var(--ok)}.move.down{color:var(--bad)}.move.flat{color:var(--muted)}.status-pill{background:var(--paper);border:1.5px solid var(--pencil);border-radius:8px;align-items:baseline;gap:10px;max-width:70ch;padding:8px 14px;display:inline-flex}.status-pill .dot{background:var(--bar);border-radius:50%;flex:none;width:10px;height:10px;transform:translateY(-1px)}.status-pill.open .dot{background:var(--ok)}.tiles{gap:var(--u);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.tile{background:var(--paper);border:1.5px solid var(--pencil);border-radius:8px;flex-direction:column;gap:4px;min-width:0;padding:18px 20px;display:flex}.tile-label{color:var(--muted);font-size:.95rem}.tile-num{font:900 clamp(1.3rem, 2.4vw, 1.75rem)/1.15 var(--display);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.tile-name{font:800 1.25rem/1.2 var(--display)}@media (max-width:980px){.tiles{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:520px){.tiles{grid-template-columns:minmax(0,1fr)}}table.data th[scope=row]{white-space:nowrap;font-weight:600}table.data th[scope=row] .muted{white-space:normal;font-weight:400}table.data tr.me{background:#fff6d6}.tag{font:600 .75rem var(--text);background:var(--hi);border:1px solid var(--pencil);vertical-align:middle;border-radius:999px;margin-left:8px;padding:0 8px;display:inline-block}table.stocks td:nth-child(2){color:var(--muted)}.fine{max-width:70ch;font-size:.9rem}.quote-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:12px 32px;display:flex}.quote-price{flex-direction:column;align-items:flex-end;gap:2px;display:flex}.quote-price .big{font:900 clamp(2rem, 5vw, 3rem)/1 var(--display)}@media (max-width:620px){.quote-price{align-items:flex-start}}.trade-grid{grid-template-columns:minmax(0,7fr) minmax(0,4fr);align-items:start;gap:clamp(24px,4vw,48px);display:grid}@media (max-width:900px){.trade-grid{grid-template-columns:minmax(0,1fr)}}.chart{background:var(--paper);border:1.5px solid var(--pencil);border-radius:8px;padding:12px 12px 6px}.chart figcaption{flex-wrap:wrap;justify-content:space-between;gap:4px 16px;padding:0 4px 6px;display:flex}.chart-title{font-weight:600}.chart svg{cursor:crosshair;width:100%;height:auto;display:block}.seg{border:1.5px solid var(--pencil);border-radius:8px;align-self:flex-start;display:inline-flex;overflow:hidden}.seg.wide{align-self:stretch;display:flex}.seg button{font:600 .95rem var(--text);background:var(--paper);color:var(--pencil);cursor:pointer;border:0;flex:1;padding:8px 16px}.seg button+button{border-left:1.5px solid var(--pencil)}.seg button.on{background:var(--pencil);color:#fff}.seg button:not(.on):hover{background:var(--hi)}.ticket{background:var(--paper);border:1.5px solid var(--pencil);border-radius:8px;flex-direction:column;gap:14px;padding:clamp(18px,3vw,24px);display:flex}.ticket .field input{font:500 1.2rem var(--mono)}.ticket .btn{align-self:stretch}.seg button{white-space:nowrap}.pw{align-items:center;gap:8px;display:flex}.pw input{flex:1;min-width:0}.hp{width:1px;height:1px;position:absolute;left:-10000px;overflow:hidden}.eyebrow{font:600 .95rem var(--mono);color:var(--ink)}.daily-tags{flex-wrap:wrap;gap:8px;display:flex}.daily-tags .tag{margin-left:0;padding:2px 12px;font-size:.85rem}.daily-tags .tag+.tag{background:var(--paper)}.daily-grid{grid-template-columns:minmax(0,2fr) minmax(0,1fr);align-items:start;gap:clamp(20px,3vw,40px);display:grid}@media (max-width:860px){.daily-grid{grid-template-columns:minmax(0,1fr)}}.daily-card{box-shadow:6px 6px 0 var(--hi);gap:20px}.daily-card p{color:var(--pencil)}.daily-prompt{font:500 clamp(1.15rem, 2vw, 1.35rem)/1.5 var(--text)}.tries{gap:6px;display:flex}.try{border:1.5px solid var(--pencil);background:var(--paper);border-radius:4px;width:22px;height:22px}.try.used{background:var(--bad,#c9372c);border-color:var(--bad,#c9372c)}.share-preview{font:500 .9rem/1.5 var(--mono);background:var(--tint);border:1px dashed var(--bar);white-space:pre-wrap;overflow-wrap:anywhere;border-radius:6px;padding:10px 12px}.daily-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.daily-stats div{color:var(--muted);flex-direction:column;gap:2px;font-size:.85rem;display:flex}.daily-stats .big{color:var(--pencil);font-size:2rem;font-weight:600;line-height:1.1}details.card summary{cursor:pointer}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}