:root{--ink:#15120f;--ink-1:#1d1916;--ink-2:#251f1a;--ink-3:#322a23;--line:#3b322a;--paper:#f0e7d7;--muted:#9d9184;--dim:#6f6559;--gold:#cba14a;--green:#4f9d72;--red:#c8553d;--accent:#c8553d;--serif:"Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;--sans:"Avenir Next", Avenir, "Futura", "Segoe UI", system-ui, sans-serif;--r:14px;--safe-b:max(env(safe-area-inset-bottom,0px), var(--tg-bottom,0px));--safe-t:max(env(safe-area-inset-top,0px), var(--tg-top,0px))}html,body{background:var(--ink);color:var(--paper);font-family:var(--sans);-webkit-font-smoothing:antialiased;overscroll-behavior-y:none;margin:0;padding:0;font-size:16px;line-height:1.45}body:after{content:"";pointer-events:none;z-index:60;opacity:.5;mix-blend-mode:overlay;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/></filter><rect width='140' height='140' filter='url(%23n)' opacity='.42'/></svg>");position:fixed;top:0;bottom:0;left:0;right:0}body:before{content:"";pointer-events:none;z-index:1;background:radial-gradient(120% 70% at 50% -10%,#cba14a1a,#0000 60%),radial-gradient(90% 60% at 50% 110%,#0000008c,#0000 60%);position:fixed;top:0;bottom:0;left:0;right:0}#learn{z-index:2;max-width:560px;min-height:100vh;margin:0 auto;position:relative;overflow-y:auto}body.in-lesson #learn,body.mode-atlas #learn{display:none}body.mode-learn #atlas{visibility:hidden}body.in-study3d #atlas,body.in-3dtask #atlas{visibility:visible}body.in-study3d #atlas .a-top,body.in-study3d #atlas .a-side,body.in-study3d #atlas .a-sheet,body.in-study3d #atlas .a-stats,body.in-study3d #atlas .a-layers,body.in-study3d #atlas .a-search,body.in-study3d #atlas .cutpanel,body.in-study3d #atlas .label3d,body.in-3dtask #atlas .a-top,body.in-3dtask #atlas .a-side,body.in-3dtask #atlas .a-sheet,body.in-3dtask #atlas .a-stats,body.in-3dtask #atlas .a-layers,body.in-3dtask #atlas .a-search,body.in-3dtask #atlas .cutpanel,body.in-3dtask #atlas .label3d{display:none}button{font-family:inherit;font-size:inherit;color:inherit;cursor:pointer;background:0 0;border:0}.topbar{z-index:20;padding:calc(12px + var(--safe-t)) 16px 10px;background:linear-gradient(var(--ink) 72%, #15120f00);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);justify-content:space-between;align-items:center;gap:10px;display:flex;position:sticky;top:0}.course-chip{border:1px solid var(--line);background:var(--ink-1);letter-spacing:.01em;border-radius:999px;align-items:center;gap:8px;padding:7px 12px 7px 8px;font-size:14px;display:flex}.course-chip .ci{width:22px;height:22px;color:var(--accent);place-items:center;display:grid}.course-chip .ci svg{width:18px;height:18px}.course-chip .caret{color:var(--dim);font-size:11px}.top-stats{align-items:center;gap:14px;display:flex}.stat{font-variant-numeric:tabular-nums;align-items:center;gap:5px;font-size:14px;display:flex}.stat svg{width:18px;height:18px}.stat b{font-weight:600}.streak{color:var(--dim)}.streak.on{color:var(--gold)}.hearts{color:var(--red)}.hearts.empty{color:var(--dim)}.ring{width:30px;height:30px;position:relative}.ring svg{width:30px;height:30px;position:absolute;top:0;bottom:0;left:0;right:0;transform:rotate(-90deg)}.ring circle{fill:none;stroke-width:3.4px}.ring .bg{stroke:var(--ink-3)}.ring .fg{stroke:var(--gold);stroke-linecap:round;transition:stroke-dasharray .5s}.ring b{color:var(--gold);place-items:center;font-size:11px;display:grid;position:absolute;top:0;bottom:0;left:0;right:0}.view{padding:6px 16px 120px;animation:.35s both fade}@keyframes fade{0%{opacity:0;transform:translateY(6px)}}.view-title{margin:14px 0 18px;font-size:30px}.panel{background:var(--ink-1);border:1px solid var(--line);border-radius:var(--r);margin-bottom:14px;padding:16px}.panel h3{margin-bottom:12px;font-size:17px}.hint{color:var(--muted);margin:10px 0 0;font-size:13px;line-height:1.5}.course-head{padding:10px 2px 18px}.ch-eyebrow{letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin-bottom:6px;font-size:11px}.course-head h1{font-size:38px;line-height:1.02}.course-head p{color:var(--muted);margin:6px 0 16px;font-size:15px}.bar{background:var(--ink-3);border-radius:3px;height:5px;overflow:hidden}.bar i{background:var(--accent);border-radius:3px;height:100%;transition:width .6s cubic-bezier(.2,.8,.2,1);display:block}.ch-meta{color:var(--dim);letter-spacing:.02em;margin-top:8px;font-size:12.5px}.review-card{text-align:left;border:1px dashed var(--line);border-radius:var(--r);background:var(--ink-1);width:100%;color:var(--dim);align-items:center;gap:14px;margin-bottom:26px;padding:14px 16px;display:flex}.review-card.active{border-style:solid;border-color:var(--gold);color:var(--paper);background:linear-gradient(120deg,#cba14a1a,#0000)}.review-card .ri svg{width:24px;height:24px}.review-card.active .ri{color:var(--gold)}.review-card .rt{flex-direction:column;gap:2px;display:flex}.review-card b{font-size:15px;font-weight:600}.review-card i{color:var(--dim);font-size:12.5px;font-style:normal}.path{padding:4px 0 10px;position:relative}.path:before{content:"";background:repeating-linear-gradient(var(--line) 0 6px, transparent 6px 12px);width:2px;position:absolute;top:8px;bottom:34px;left:27px}.node-row{align-items:center;gap:16px;padding:11px 0;display:flex;position:relative}.node{background:var(--ink-2);border:1px solid var(--line);width:56px;height:56px;color:var(--accent);border-radius:50%;flex:none;place-items:center;transition:transform .18s,box-shadow .25s;display:grid;position:relative;box-shadow:0 6px 18px #00000073,inset 0 1px #ffffff0d}.node:active{transform:scale(.94)}.node .glyph svg{width:24px;height:24px}.node .rim{width:66px;height:66px;position:absolute;top:-5px;bottom:-5px;left:-5px;right:-5px;transform:rotate(-90deg)}.node .rim circle{fill:none;stroke:#0000;stroke-width:2.5px}.node .rim .rim-fg{stroke:var(--accent);stroke-linecap:round;transition:stroke-dasharray .6s}.node.locked{color:var(--dim);background:var(--ink-1);box-shadow:none}.node.locked .rim-fg{stroke:var(--dim)}.node.gold{color:var(--gold);border-color:#cba14a80}.node.gold .rim-fg{stroke:var(--gold)}.node-label{flex-direction:column;gap:1px;min-width:0;display:flex}.node-label b{font-family:var(--serif);font-size:19px;font-weight:600}.node-label b .dot{vertical-align:4px;background:var(--accent);border-radius:50%;width:6px;height:6px;margin-left:7px;display:inline-block}.node-label i{color:var(--dim);font-size:12.5px;font-style:normal}.crowns{gap:3px;margin-top:4px;display:flex}.crowns em{width:13px;height:13px;color:var(--ink-3);display:block}.crowns em.on{color:var(--gold)}.crowns em svg{width:13px;height:13px}.primary-btn{background:var(--accent);color:#17120f;letter-spacing:.02em;border-radius:12px;width:100%;margin-top:16px;padding:15px 20px;font-size:15.5px;font-weight:700;transition:transform .12s,box-shadow .12s,opacity .2s;display:block;box-shadow:0 4px #00000073}.primary-btn:active{transform:translateY(3px);box-shadow:0 1px #00000073}.primary-btn.dim{opacity:.3;box-shadow:none}.primary-btn.red{background:var(--red);color:#fff}.primary-btn.wide{margin-top:0}.ghost-btn{border:1px solid var(--line);width:100%;color:var(--muted);background:0 0;border-radius:12px;margin-top:10px;padding:13px 18px;font-size:14.5px;display:block}.ghost-btn:active{background:var(--ink-1)}.ghost-btn.danger{color:var(--red);border-color:#c8553d59}.bottomnav{z-index:30;max-width:560px;padding:8px 8px calc(8px + var(--safe-b));-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid var(--line);background:#15120feb;margin:0 auto;display:flex;position:fixed;bottom:0;left:0;right:0}.navbtn{color:var(--dim);letter-spacing:.04em;flex-direction:column;flex:1;align-items:center;gap:3px;padding:6px 0;font-size:11px;display:flex}.navbtn svg{width:22px;height:22px}.navbtn.on{color:var(--accent)}#lesson.see3d{pointer-events:none;background:0 0}#lesson.see3d .lesson-head,#lesson.see3d .lesson-foot,#lesson.see3d .ex-title,#lesson.see3d .prompt,#lesson.see3d .pick-line{pointer-events:auto}#lesson.see3d .lesson-head{background:#15120fe6}#lesson.see3d .lesson-body{background:0 0}#lesson.see3d .ex.find3d{padding:0}#lesson.see3d .prompt{border:1px solid var(--line);background:#15120fe0;border-radius:12px;margin:0;padding:8px 14px;font-size:20px;display:inline-block}#lesson.see3d .ex-title{background:#15120fe0;border-radius:6px;margin-bottom:8px;padding:4px 8px;display:inline-block}#lesson.see3d .pick-line{border:1px solid var(--line);color:var(--paper);background:#15120fe0;border-radius:999px;margin:10px 0 0;padding:6px 12px;display:inline-block}#lesson.see3d .lesson-foot{background:#1d1916f5}#lesson.see3d .lesson-foot.good{background:#1f342af5}#lesson.see3d .lesson-foot.bad{background:#3c201bf5}#lesson{z-index:50;background:var(--ink);flex-direction:column;max-width:560px;margin:0 auto;animation:.3s cubic-bezier(.2,.8,.2,1) both rise;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}@keyframes rise{0%{opacity:0;transform:translateY(14px)}}.lesson-head{padding:calc(14px + var(--safe-t)) 16px 8px;align-items:center;gap:14px;display:flex}.iconbtn{color:var(--dim);place-items:center;display:grid}.iconbtn svg{width:22px;height:22px}.lesson-bar{background:var(--ink-2);border-radius:6px;flex:1;height:10px;overflow:hidden}.lesson-bar i{background:var(--accent);border-radius:6px;height:100%;transition:width .45s cubic-bezier(.2,.8,.2,1);display:block}.lesson-hearts{color:var(--red);font-variant-numeric:tabular-nums;align-items:center;gap:5px;display:flex}.lesson-hearts svg{width:19px;height:19px}.lesson-hearts.low{animation:1.4s ease-in-out infinite pulse}@keyframes pulse{50%{opacity:.45}}.lesson-body{flex:1;padding:14px 18px 20px;overflow-y:auto}.ex-title{letter-spacing:.2em;text-transform:uppercase;color:var(--dim);font-size:13px;font-family:var(--sans);margin-bottom:18px;font-weight:600}.prompt{font-family:var(--serif);letter-spacing:-.01em;margin-bottom:24px;font-size:24px;line-height:1.32}.prompt.small{color:var(--muted);font-size:15px;font-family:var(--sans)}.prompt .gap{border-bottom:2px solid var(--accent);min-width:46px;height:30px;color:var(--accent);vertical-align:-4px;background:#ffffff0a;border-radius:4px 4px 0 0;place-items:center;padding:0 8px;font-size:18px;display:inline-grid}.options{flex-direction:column;gap:10px;display:flex}.option{text-align:left;border:1.5px solid var(--line);background:var(--ink-1);border-radius:12px;align-items:center;gap:12px;padding:14px 15px;font-size:15.5px;line-height:1.32;transition:border-color .15s,background .15s,transform .1s;display:flex;box-shadow:0 3px #00000059}.option:active{transform:translateY(2px);box-shadow:0 1px #00000059}.option .num{width:24px;height:24px;color:var(--dim);border:1px solid var(--line);border-radius:6px;flex:none;place-items:center;font-size:12px;display:grid}.option.sel{border-color:var(--accent);background:#ffffff0d}.option.sel .num{color:var(--accent);border-color:var(--accent)}.option.right{border-color:var(--green);background:#4f9d721f}.option.right .num{color:var(--green);border-color:var(--green)}.option.wrong{border-color:var(--red);opacity:.75;background:#c8553d24}.option.wrong .num{color:var(--red);border-color:var(--red)}.options.latin .otext{font-family:var(--serif);font-style:italic}.type-input{width:100%;font-size:18px;font-family:var(--serif);color:var(--paper);background:var(--ink-1);border:1.5px solid var(--line);border-radius:12px;outline:none;padding:15px 16px}.type-input:focus{border-color:var(--accent)}.match-cols{grid-template-columns:1fr 1fr;gap:10px;display:grid}.mcol{flex-direction:column;gap:10px;display:flex}.mitem{border:1.5px solid var(--line);background:var(--ink-1);text-align:left;border-radius:11px;min-height:62px;padding:12px 11px;font-size:13.5px;line-height:1.28;transition:all .18s}.mitem.sel{border-color:var(--accent);background:#c8553d1a}.mitem.done{opacity:.22;pointer-events:none;border-style:dashed}.mitem.err{border-color:var(--red);animation:.32s shake}@keyframes shake{25%{transform:translate(-5px)}75%{transform:translate(5px)}}.slots{flex-direction:column;gap:7px;margin-bottom:20px;display:flex}.slot{text-align:left;background:var(--ink-1);border:1.5px solid var(--line);border-radius:10px;align-items:center;gap:10px;padding:11px 13px;font-size:14.5px;display:flex}.slot.empty{opacity:.5;border-style:dashed;min-height:44px}.slot .sn{color:var(--dim);flex:none;width:14px;font-size:12px}.bank{flex-wrap:wrap;gap:8px;display:flex}.chip-item{background:var(--ink-2);border:1px solid var(--line);border-radius:999px;padding:10px 13px;font-size:14px}.chip-item:active{transform:scale(.96)}.lesson-foot{padding:14px 18px calc(18px + var(--safe-b));border-top:1px solid var(--line);background:var(--ink-1)}.lesson-foot.good{background:#4f9d721f;border-top-color:#4f9d7266}.lesson-foot.bad{background:#c8553d1f;border-top-color:#c8553d66}.foot-hint{text-align:center;color:var(--dim);margin:8px 0;font-size:13px}.fb{margin-bottom:14px;animation:.25s both fade}.fb-head{align-items:center;gap:9px;font-size:15px;display:flex}.fb-head svg{width:20px;height:20px}.lesson-foot.good .fb-head{color:var(--green)}.lesson-foot.bad .fb-head{color:var(--red)}.fb-answer{font-family:var(--serif);margin:8px 0 0;font-size:19px}.fb-def{color:var(--muted);margin:8px 0 0;font-size:13.5px;line-height:1.45}.fb-lat{font-family:var(--serif);color:var(--gold);margin:6px 0 0;font-size:14px;font-style:italic}#study{z-index:50;pointer-events:none;background:0 0;flex-direction:column;max-width:560px;margin:0 auto;animation:.3s cubic-bezier(.2,.8,.2,1) both rise;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}#study.flat{background:var(--ink);pointer-events:auto}#study .study-head,#study .study-body,#study .study-foot{pointer-events:auto}#study .study-head{padding-top:calc(14px + var(--safe-t));background:#15120fe6}#study .study-window{flex:auto;min-height:160px}#study .study-body{border-top:1px solid var(--line);background:#1d1916f5;border-radius:18px 18px 0 0;max-height:38vh}#study .study-foot{background:#1d1916f5}#study.flat .study-body{background:0 0;border:0;border-radius:0;flex:1;max-height:none}#study.flat .study-foot{background:0 0}.study-head{align-items:center;gap:14px;padding:14px 16px 8px;display:flex}.study-count{color:var(--dim);font-variant-numeric:tabular-nums;font-size:12px}.stage{background:radial-gradient(60% 50% at 50% 42%, #cba14a12, transparent 70%), linear-gradient(var(--ink), #100e0c);border-bottom:1px solid var(--line);flex:auto;min-height:200px;position:relative}.stage canvas{width:100%;height:100%;display:block}.stage.inline{border:1px solid var(--line);border-radius:14px;flex:none;height:46vh;min-height:240px;margin-top:4px;overflow:hidden}.stage-hint{color:var(--dim);pointer-events:none;background:linear-gradient(#0000,#100e0cd9 55%);align-items:center;gap:6px;padding:18px 12px 9px;font-size:11px;display:flex;position:absolute;bottom:0;left:0;right:0}.stage-hint svg{width:14px;height:14px}.study-body{flex:none;max-height:46vh;padding:18px 20px 8px;overflow-y:auto}.study-h{margin-bottom:8px;font-size:25px;line-height:1.15}.study-h.accent{color:var(--gold);letter-spacing:.16em;text-transform:uppercase;font-size:15px;font-family:var(--sans)}.study-lat{font-family:var(--serif);color:var(--gold);margin:0 0 8px;font-size:15px;font-style:italic}.study-n{letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin:0 0 8px;font-size:11px}.study-p{color:#ddd3c2;margin:0;font-size:16px;line-height:1.58}.ask{align-items:flex-start;gap:12px;display:flex}.ask-i{width:34px;height:34px;color:var(--accent);border:1px solid var(--line);border-radius:9px;flex:none;place-items:center;display:grid}.ask-i svg{width:20px;height:20px}.ask b{font-family:var(--serif);font-size:20px;font-weight:600;line-height:1.25;display:block}.ask i{color:var(--dim);margin-top:3px;font-size:12.5px;font-style:normal;display:block}.ask-fb{min-height:20px;margin-top:12px;font-size:14px;line-height:1.45}.ask-fb.good{color:var(--green)}.ask-fb.bad{color:var(--red)}.study-foot{padding:12px 20px calc(16px + var(--safe-b))}.link-btn{width:100%;color:var(--dim);text-underline-offset:3px;margin-top:8px;padding:11px;font-size:13.5px;text-decoration:underline;display:block}.study-btn{text-align:left;border:1.5px solid var(--accent);background:#ffffff0a;border-radius:12px;align-items:center;gap:12px;width:100%;margin-top:14px;padding:13px 15px;display:flex}.study-btn.done{border-color:var(--line)}.study-btn .sb-i{width:30px;height:30px;color:var(--accent);flex:none;place-items:center;display:grid}.study-btn .sb-i svg{width:22px;height:22px}.study-btn b{font-size:15px;font-weight:600;display:block}.study-btn i{color:var(--dim);margin-top:1px;font-size:12.5px;font-style:normal;display:block}.result{padding:30px 24px calc(30px + var(--safe-b));text-align:center;flex-direction:column;flex:1;justify-content:center;display:flex}.rs-mark{color:var(--gold);border:1px solid #cba14a66;border-radius:50%;place-items:center;width:62px;height:62px;margin:0 auto 18px;animation:.5s cubic-bezier(.2,1.4,.4,1) both pop;display:grid}.rs-mark svg{width:30px;height:30px}@keyframes pop{0%{opacity:0;transform:scale(.5)}}.result h1{font-size:32px}.rs-sub{color:var(--muted);margin:6px 0 26px}.rs-grid{grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:22px;display:grid}.rs-tile{border:1px solid var(--line);background:var(--ink-1);border-radius:12px;padding:12px 6px}.rs-tile i{letter-spacing:.1em;text-transform:uppercase;color:var(--dim);font-size:11px;font-style:normal;display:block}.rs-tile b{font-family:var(--serif);margin-top:4px;font-size:24px;display:block}.rs-streak{color:var(--gold);justify-content:center;align-items:center;gap:6px;font-size:14px;display:flex}.rs-streak svg{width:16px;height:16px}.rs-note{color:var(--dim);margin-bottom:22px;font-size:13px}.scrim{z-index:70;opacity:0;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0a080799;justify-content:center;align-items:flex-end;transition:opacity .22s;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}.scrim.on{opacity:1}.sheet{background:var(--ink-1);border:1px solid var(--line);width:100%;max-width:560px;max-height:86vh;padding:8px 18px calc(24px + var(--safe-b));border-bottom:0;border-radius:20px 20px 0 0;transition:transform .28s cubic-bezier(.2,.9,.2,1);overflow-y:auto;transform:translateY(16px)}.scrim.on .sheet{transform:translateY(0)}.grip{background:var(--line);border-radius:2px;width:38px;height:4px;margin:4px auto 16px}.sheet-body.center{text-align:center}.sh-eyebrow{letter-spacing:.2em;text-transform:uppercase;color:var(--accent);font-size:11px}.sheet-body h2{margin:4px 0 2px;font-size:27px}.sh-sub{color:var(--muted);margin:0 0 16px;font-size:14px}.sh-row{align-items:center;gap:5px;margin-bottom:16px;display:flex}.crown-big{width:18px;height:18px;color:var(--ink-3)}.crown-big.on{color:var(--gold)}.crown-big svg{width:18px;height:18px}.sh-lvl{color:var(--dim);margin-left:8px;font-size:12.5px}.sh-fact{border-left:2px solid var(--accent);margin-bottom:6px;padding:2px 0 2px 13px}.sh-fact b{letter-spacing:.16em;text-transform:uppercase;color:var(--dim);font-size:11px}.sh-fact p{font-family:var(--serif);margin:5px 0 0;font-size:15.5px;line-height:1.45}.sh-cards{margin-top:18px}.sh-cards summary{color:var(--muted);cursor:pointer;padding:8px 0;font-size:13.5px}.sc{border-bottom:1px solid var(--ink-2);padding:9px 0 9px 14px;position:relative}.sc-str{background:var(--ink-3);border-radius:2px;width:4px;height:26px;position:absolute;top:12px;left:0;overflow:hidden}.sc-str:after{content:"";width:100%;height:var(--s);background:var(--green);position:absolute;bottom:0;left:0}.sc b{font-size:14.5px;font-weight:600}.sc em{font-family:var(--serif);color:var(--gold);margin-left:7px;font-size:12.5px;font-style:italic}.sc i{color:var(--dim);margin-top:2px;font-size:12.5px;font-style:normal;display:block}.course-row{text-align:left;border:1.5px solid var(--line);background:var(--ink-2);border-radius:12px;align-items:center;gap:13px;width:100%;margin-bottom:9px;padding:13px 14px;display:flex}.course-row.on{border-color:var(--c);background:color-mix(in srgb, var(--c) 12%, var(--ink-2))}.cr-i{color:var(--c);place-items:center;display:grid}.cr-i svg{width:24px;height:24px}.cr-t{flex-direction:column;flex:1;display:flex}.cr-t b{font-family:var(--serif);font-size:18px}.cr-t i{color:var(--dim);font-size:12.5px;font-style:normal}.cr-p{font-variant-numeric:tabular-nums;color:var(--muted);font-size:14px}.nh{color:var(--red);place-items:center;width:54px;height:54px;margin:4px auto 12px;display:grid}.nh svg{width:44px;height:44px;animation:1.6s ease-in-out infinite pulse}.tiles{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px;display:grid}.tile{border:1px solid var(--line);border-radius:var(--r);background:var(--ink-1);padding:14px}.tile i{letter-spacing:.12em;text-transform:uppercase;color:var(--dim);font-size:11px;font-style:normal}.tile b{font-family:var(--serif);margin-top:4px;font-size:30px;line-height:1.1;display:block}.tile em{color:var(--dim);font-size:12px;font-style:normal}.chart{align-items:flex-end;gap:8px;height:120px;display:flex}.col{flex-direction:column;flex:1;justify-content:flex-end;align-items:center;gap:5px;height:100%;display:flex}.col .bar{background:var(--ink-3);border-radius:4px 4px 0 0;width:100%;max-width:26px;transition:height .5s}.col .bar[data-goal]{background:var(--gold)}.col i{color:var(--dim);font-size:11px;font-style:normal}.col em{color:var(--dim);opacity:.7;font-size:10px;font-style:normal}.goal-line{color:var(--dim);margin-top:10px;font-size:12px}.mem{text-align:center;grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.mem b{font-family:var(--serif);color:var(--gold);font-size:26px;display:block}.mem i{color:var(--dim);font-size:11.5px;font-style:normal;line-height:1.3;display:block}.course-prog{align-items:center;gap:12px;padding:12px 2px;display:flex}.course-prog b{font-family:var(--serif);flex:none;width:108px;font-size:15px}.course-prog .bar{flex:1}.course-prog .bar i{background:var(--c)}.course-prog span{color:var(--muted);text-align:right;font-variant-numeric:tabular-nums;width:38px;font-size:13px}.chips{flex-wrap:wrap;gap:8px;display:flex}.chip{border:1.5px solid var(--line);color:var(--muted);border-radius:999px;padding:9px 14px;font-size:14px}.chip.on{border-color:var(--accent);color:var(--paper);background:#c8553d1a}.switch-row{border-bottom:1px solid var(--ink-2);align-items:center;gap:12px;padding:11px 0;display:flex}.switch-row:last-child{border-bottom:0}.switch-row>span:first-child{flex:1}.switch-row b{font-size:14.5px;font-weight:600;display:block}.switch-row i{color:var(--dim);font-size:12.5px;font-style:normal}.switch-row input{opacity:0;pointer-events:none;position:absolute}.switch-row input:checked~.knob{background:color-mix(in srgb, var(--accent) 55%, var(--ink-3))}.switch-row input:checked~.knob:after{background:var(--paper);transform:translate(19px)}.colophon{color:var(--dim);text-align:center;margin-top:26px;font-size:12px;line-height:1.6}.toast{left:50%;bottom:calc(84px + var(--safe-b));z-index:80;background:var(--ink-3);border:1px solid var(--line);color:var(--paper);opacity:0;pointer-events:none;text-align:center;border-radius:999px;max-width:88vw;padding:11px 18px;font-size:13.5px;transition:opacity .22s,transform .22s;position:fixed;transform:translate(-50%,12px)}.toast.on{opacity:1;transform:translate(-50%)}#boot .bw{text-align:center}#boot p{color:var(--dim);letter-spacing:.28em;text-transform:uppercase;margin-top:8px;font-size:12px}@media (max-width:360px){.prompt{font-size:21px}.course-head h1{font-size:32px}}.pickmark{z-index:8;pointer-events:none;color:#15120f;white-space:nowrap;border-radius:999px;padding:3px 9px;font-size:12px;font-weight:600;position:absolute;top:0;left:0;transform:translate(-50%,-50%)}.pickmark:before{content:"";opacity:.7;background:currentColor;width:2px;height:14px;position:absolute;top:100%;left:50%;transform:translate(-50%)}.pickmark.origin{background:var(--green)}.pickmark.insertion{background:var(--gold)}.lmlabel{z-index:9;pointer-events:none;color:#d8e8f7;white-space:normal;background:#15120fe6;border:1px solid #6fa8dc8c;border-radius:6px;max-width:44vw;padding:3px 8px;font-size:11.5px;line-height:1.2;transition:opacity .15s;position:absolute;top:0;left:0}.lmline{z-index:8;pointer-events:none;transform-origin:0;background:#6fa8dcb3;height:1px;position:absolute;top:0;left:0}.lmline:before{content:"";background:#6fa8dc;border-radius:50%;width:7px;height:7px;position:absolute;top:-3px;left:-3px}.a-tb.a-learn{color:var(--gold);border-color:#cba14a80}.pick-line{color:var(--muted);margin:10px 2px 0;font-size:13.5px}.legend{flex-wrap:wrap;gap:6px;margin:4px 0 10px;display:flex}.legend .chip{border:1px solid var(--line);color:var(--muted);background:#ffffff08;border-radius:999px;padding:6px 11px;font-size:12.5px}.legend .chip.on{color:#17120f;background:var(--gold);border-color:var(--gold);font-weight:600}.lmlabel{pointer-events:auto;cursor:pointer}.lmlabel.on{background:var(--gold);color:#17120f;border-color:var(--gold);font-weight:600}.namelabel{z-index:9;pointer-events:none;color:var(--gold);white-space:nowrap;text-overflow:ellipsis;background:#15120fe6;border:1px solid #cba14a80;border-radius:8px;max-width:70vw;padding:5px 10px;font-size:13px;font-weight:600;transition:opacity .15s;display:none;position:absolute;top:0;left:0;overflow:hidden}:root{--ink:#15120f;--ink-1:#1d1916;--ink-2:#251f1a;--ink-3:#322a23;--line:#3b322a;--paper:#f0e7d7;--muted:#9d9184;--dim:#6f6559;--gold:#cba14a;--green:#4f9d72;--red:#c8553d;--accent:#c8553d;--blue:#6fa8dc;--serif:"Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;--sans:"Avenir Next", Avenir, Futura, "Segoe UI", system-ui, sans-serif;--tg-top:0px;--tg-bottom:0px;--safe-t:max(env(safe-area-inset-top,0px), var(--tg-top));--safe-b:max(env(safe-area-inset-bottom,0px), var(--tg-bottom))}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{background:var(--ink);height:100%;color:var(--paper);font:15px/1.45 var(--sans);overscroll-behavior:none;-webkit-font-smoothing:antialiased;margin:0}#app{position:fixed;top:0;bottom:0;left:0;right:0}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0}h1,h2,h3{font-family:var(--serif);letter-spacing:-.01em;margin:0;font-weight:600}.hidden{display:none!important}#boot{z-index:90;background:var(--ink);place-items:center;transition:opacity .45s;display:grid;position:fixed;top:0;bottom:0;left:0;right:0}#boot.gone{opacity:0;pointer-events:none}#boot .bw{text-align:center;width:220px}#boot h1{letter-spacing:.04em;font-size:40px}#boot p{color:var(--dim);letter-spacing:.28em;text-transform:uppercase;margin:8px 0 22px;font-size:12px}.boot-bar{background:var(--ink-3);border-radius:2px;height:3px;overflow:hidden}.boot-bar i{background:var(--gold);width:0;height:100%;transition:width .3s;display:block}#boottext{color:var(--dim);margin-top:10px;font-size:12px;display:block}.atlas .a-stage{background:radial-gradient(70% 55% at 50% 40%, #241e18, var(--ink) 75%);position:absolute;top:0;bottom:0;left:0;right:0}.atlas canvas{touch-action:none;width:100%;height:100%;display:block}.label3d{pointer-events:none;color:var(--gold);white-space:nowrap;text-overflow:ellipsis;background:#15120fdb;border:1px solid #cba14a73;border-radius:8px;max-width:60vw;padding:5px 10px;font-size:13px;font-weight:600;transition:opacity .15s;display:none;position:absolute;top:0;left:0;overflow:hidden}.a-top{top:calc(10px + var(--safe-t));z-index:5;gap:8px;display:flex;position:absolute;left:12px;right:12px}.a-tb{border:1px solid var(--line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#1d1916e6;border-radius:999px;align-items:center;gap:7px;padding:9px 13px;font-size:13.5px;display:flex}.a-tb svg{width:17px;height:17px}.a-tb.lang{letter-spacing:.06em;margin-left:auto;padding:9px 12px;font-weight:700}.a-side{right:12px;top:calc(66px + var(--safe-t));z-index:5;flex-direction:column;align-items:flex-end;gap:8px;display:flex;position:absolute}.sb-btn{border:1px solid var(--line);width:40px;height:40px;color:var(--muted);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#1d1916e6;border-radius:12px;place-items:center;display:grid}.sb-btn svg{width:20px;height:20px}.sb-btn.on{color:var(--gold);border-color:#cba14a80}.views{flex-direction:column;gap:4px;margin-top:8px;display:flex}.view-btn{color:var(--dim);background:#1d1916bf;border:1px solid #0000;border-radius:8px;padding:5px 9px;font-size:11.5px}.view-btn:active{color:var(--paper);border-color:var(--line)}.cutpanel{left:12px;right:64px;top:calc(66px + var(--safe-t));z-index:5;border:1px solid var(--line);background:#1d1916eb;border-radius:12px;padding:10px 12px;position:absolute}.cp-row{color:var(--dim);flex-wrap:wrap;align-items:center;gap:6px;font-size:12px;display:flex}.cp-row button{border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:5px 9px;font-size:12px}.cp-row button.on{color:var(--paper);border-color:var(--gold)}.cp-range{width:100%;accent-color:var(--gold);margin-top:8px}.a-layers{right:12px;top:calc(60px + var(--safe-t));z-index:6;border:1px solid var(--line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#1d1916f5;border-radius:14px;width:250px;padding:14px;position:absolute}.a-layers h3{margin-bottom:8px;font-size:16px}.layer-row{border-bottom:1px solid var(--ink-2);align-items:center;gap:10px;padding:8px 0;font-size:14px;display:flex}.layer-row.pending{color:var(--dim)}.layer-row .t{flex:1}.layer-row .t i{color:var(--dim);font-size:11px;font-style:normal}.layer-row .sw{border-radius:3px;width:12px;height:12px}.layer-row input{opacity:0;pointer-events:none;position:absolute}.knob{background:var(--ink-3);border-radius:999px;flex:none;width:38px;height:22px;transition:background .2s;position:relative}.knob:after{content:"";background:var(--muted);border-radius:50%;width:16px;height:16px;transition:transform .2s,background .2s;position:absolute;top:3px;left:3px}.layer-row input:checked~.knob{background:#cba14a8c}.layer-row input:checked~.knob:after{background:var(--paper);transform:translate(16px)}.a-ghost{border:1px solid var(--line);width:100%;color:var(--muted);border-radius:10px;margin-top:10px;padding:10px;font-size:13.5px;display:block}.a-sheet{z-index:7;max-height:46vh;padding:10px 18px calc(16px + var(--safe-b));border-top:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#1d1916f5;border-radius:18px 18px 0 0;animation:.25s both up;position:absolute;bottom:0;left:0;right:0;overflow-y:auto}@keyframes up{0%{opacity:0;transform:translateY(20px)}}.ash-head{padding-right:36px;position:relative}.ash-eyebrow{letter-spacing:.2em;text-transform:uppercase;color:var(--accent);font-size:10.5px}.ash-head h2{margin:3px 0 2px;font-size:22px;line-height:1.15}.ash-sub{color:var(--muted);font-size:13px;font-family:var(--serif);margin:0;font-style:italic}.ash-sub .dot{vertical-align:-1px;border-radius:50%;width:9px;height:9px;margin-right:4px;display:inline-block}.ash-sub .dot.o{background:var(--green)}.ash-sub .dot.i{background:var(--gold)}.a-iconbtn{color:var(--dim);place-items:center;display:grid}.a-iconbtn svg{width:20px;height:20px}.ash-head .a-iconbtn{padding:6px;position:absolute;top:0;right:-6px}.ash-actions{flex-wrap:wrap;gap:8px;margin:12px 0 8px;display:flex}.act{border:1px solid var(--line);color:var(--paper);background:var(--ink-2);border-radius:10px;align-items:center;gap:6px;padding:8px 11px;font-size:12.5px;display:flex}.act svg{width:15px;height:15px;color:var(--gold)}.ash-desc p{color:#ddd3c2;margin:8px 0 0;font-size:14px;line-height:1.55}.ash-desc b{color:var(--gold);font-weight:600}.ash-desc .tag{letter-spacing:.1em;border:1px solid var(--line);color:var(--dim);border-radius:4px;margin-top:8px;padding:1px 6px;font-size:10px;display:inline-block}.ash-none{color:var(--dim);margin:8px 0 0;font-size:13px}.a-link{color:var(--dim);text-underline-offset:3px;padding:8px 0;font-size:13px;text-decoration:underline;display:block}.search{left:12px;right:12px;top:calc(10px + var(--safe-t));z-index:8;border:1px solid var(--line);background:#1d1916f7;border-radius:14px;position:absolute;overflow:hidden}.s-row{border-bottom:1px solid var(--line);align-items:center;gap:6px;padding:6px 8px 6px 14px;display:flex}.s-row input{color:var(--paper);font:16px var(--sans);background:0 0;border:0;outline:0;flex:1;padding:8px 0}.s-list{max-height:50vh;overflow-y:auto}.s-item{text-align:left;border-bottom:1px solid var(--ink-2);width:100%;padding:10px 14px;display:block}.s-item b{font-size:14.5px;font-weight:600;display:block}.s-item i{font-style:italic;font-family:var(--serif);color:var(--muted);font-size:12.5px}.s-item em{float:right;color:var(--dim);margin-top:2px;font-size:11px;font-style:normal}.stats{left:12px;bottom:calc(10px + var(--safe-b));color:var(--dim);pointer-events:none;z-index:4;font-size:11px;position:absolute}.layer-row.sub{padding-left:18px;font-size:13px}
