.path{--track:148px;--row:112px;position:relative}.path-line{pointer-events:none;position:absolute;top:0;left:0}.path-line path{fill:none;stroke:var(--surface-3);stroke-width:6px;stroke-linecap:round}.path-line path.is-lit{stroke:color-mix(in srgb, var(--brand) 70%, white)}.path-list,.path-rows{list-style:none;position:relative}.path-chapter{top:var(--path-top,8px);z-index:3;align-items:center;gap:var(--s-3);height:80px;margin:var(--s-4) 0;padding:0 var(--s-4);border-radius:var(--r-l);background:var(--surface-3);color:var(--ink);font-size:18px;line-height:1.2;transition:background-color .2s,color .2s;display:flex;position:sticky}.path-chapter.is-stuck{background:var(--action);color:#fff}.appbar~* .path-chapter{--path-top:68px}.path-chapter-num{border-radius:var(--r);background:var(--surface);width:44px;height:44px;color:var(--ink-soft);flex:none;place-items:center;font-size:20px;font-weight:800;display:grid}.path-chapter.is-stuck .path-chapter-num{color:#fff;background:#ffffff38}.path-chapter-text{flex:1;gap:2px;min-width:0;display:grid}.path-chapter-text>:last-child{-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.path-chapter small{font-family:var(--sans);letter-spacing:.06em;text-transform:uppercase;opacity:.85;font-size:12px;font-weight:800}.path-chapter-count{padding:2px var(--s-2);border-radius:var(--r-full);background:var(--surface);color:var(--ink-mute);flex:none;font-size:13px;font-weight:800}.path-chapter.is-stuck .path-chapter-count{color:#fff;background:#ffffff38}.path-item{grid-template-columns:calc(var(--offset) + 72px) minmax(0, 1fr);align-items:center;column-gap:var(--s-3);height:var(--row);color:inherit;border-radius:var(--r-l);text-decoration:none;display:grid}.path-item:focus-visible{outline:none}.path-item:focus-visible .path-node{outline:3px solid var(--ink);outline-offset:4px}.path-item:focus-visible .path-title{text-underline-offset:.2em;text-decoration:underline}.path-track{height:64px;position:relative}.path-node{--face:var(--surface);--edge:var(--border-strong);--glyph:var(--tile);--icon-w:var(--face);left:var(--offset);border:2px solid var(--edge);background:var(--face);width:72px;height:60px;color:var(--glyph);box-shadow:0 5px 0 var(--edge);transition:transform .1s var(--ease), box-shadow .1s var(--ease), filter .15s;border-radius:50%;place-items:center;display:grid;position:absolute;top:2px}.path-node .icon{width:30px;height:30px}.path-item:hover .path-node{filter:brightness(.97)}.path-item:active .path-node{box-shadow:0 0 0 var(--edge);transform:translateY(5px)}.path-item.is-done .path-node,.path-item.is-current .path-node{--face:var(--brand);--edge:var(--brand-edge);--glyph:#fff}.path-item.is-current .path-node:before{content:"";border:6px solid var(--surface-3);border-top-color:var(--brand);border-right-color:var(--brand);border-radius:50%;position:absolute;inset:-12px -12px -17px;transform:rotate(-20deg)}.path-item.is-current .path-node:after{content:"";border:3px solid var(--brand);opacity:0;animation:path-pulse 1.8s var(--ease) infinite;border-radius:50%;position:absolute;inset:-9px}.path-item.is-later .path-node{--face:var(--surface-3);--edge:var(--border-strong);--glyph:#ada597}.path-item.is-quiz .path-node{border-radius:22px;width:66px;height:60px}.path-item.is-quiz .path-node:before,.path-item.is-quiz .path-node:after{border-radius:26px}.path-item.is-revision .path-node{border-radius:16px;width:62px;height:60px}.path-item.is-revision .path-node:before,.path-item.is-revision .path-node:after{border-radius:22px}.path-item.is-revision .path-node{box-shadow:0 5px 0 var(--edge), 6px -6px 0 -1px var(--face), 6px -6px 0 1px var(--edge)}.path-item.is-revision:active .path-node{box-shadow:0 0 0 var(--edge), 6px -6px 0 -1px var(--face), 6px -6px 0 1px var(--edge)}.path-item.is-challenge .path-node{border-radius:50%/60% 60% 40% 40%}.path-chest{cursor:default;width:100%;font:inherit;text-align:left;background:0 0;border:0;padding:0}.path-chest.is-ready{cursor:pointer}.path-chest.is-ready .path-node{animation:path-chest-bounce 1.4s var(--ease) infinite}.path-chest.is-ready .path-title{color:var(--brand-text)}.path-chest:disabled .path-node{opacity:.7;animation:none}@keyframes path-chest-bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}.path-chest .path-node{border-radius:var(--r-l);--face:var(--surface-2);--edge:var(--border-strong);--glyph:#ada597;width:76px;height:64px}.path-chest.is-available .path-node{--glyph:var(--ink-soft)}.path-chest.is-done .path-node{--face:var(--brand);--edge:var(--brand-edge);--glyph:#fff}.path-chest .path-node .icon{width:36px;height:36px}.path-chest:hover .path-node{filter:none}.path-chest:active .path-node{box-shadow:0 5px 0 var(--edge);transform:none}.path-chest .path-title{font-weight:800}.path-chest.is-later .path-title{color:var(--ink-soft);font-weight:700}.path-chest .path-mascot{left:calc(var(--offset) + 84px);width:48px;top:-10px}.path-chest.is-done .path-meta{color:var(--brand-text)}@keyframes path-pulse{0%{opacity:.6;transform:scale(.9)}to{opacity:0;transform:scale(1.18)}}.path-bubble{left:calc(var(--offset) + 36px);z-index:1;padding:2px var(--s-3);border-radius:var(--r-s);background:var(--ink);color:#fff;white-space:nowrap;font-size:13px;font-weight:700;position:absolute;bottom:calc(100% + 10px);translate:-50%}.path-bubble:after{content:"";border:6px solid #0000;border-top-color:var(--ink);position:absolute;top:100%;left:50%;translate:-50%}.path-mascot{left:calc(var(--offset) + 80px);pointer-events:none;width:42px;position:absolute;top:-4px}.path-mascot.is-left{left:calc(var(--offset) - 48px)}.path-item.is-current:not(.mascot-left),.path-chest.is-done{column-gap:58px}.path-label{gap:2px;min-width:0;display:grid}.path-title{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-weight:700;line-height:1.3;display:-webkit-box;overflow:hidden}.path-meta{color:var(--ink-mute);font-size:15px}.path-item.is-later .path-title{color:var(--ink-soft);font-weight:400}.path-item.is-current .path-meta{color:var(--brand-text);font-weight:700}.path-item.is-done .path-meta{color:var(--green-ink)}.home-page{gap:var(--s-5);grid-template-columns:minmax(0,1fr);display:grid}.home-head{gap:var(--s-2);align-items:center;gap:var(--s-2);display:flex}.page .home-head h1{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:22px;overflow:hidden}.home-stats-row{align-items:center;gap:var(--s-2);flex:none;display:flex}.home-chip-btn{border-radius:var(--r-full);min-height:44px;color:inherit;font:inherit;cursor:pointer;background:0 0;border:0;place-items:center;padding:0;text-decoration:none;display:inline-grid}.home-chip-btn .badge,.home-chip-btn .run-chip{transition:border-color .15s, transform .1s var(--ease)}.home-chip-btn:hover :is(.badge,.run-chip){border-color:var(--border-strong)}.home-chip-btn:active :is(.badge,.run-chip){transform:scale(.96)}.home-chip-btn:focus-visible{border-radius:var(--r-full)}.home-chip-btn.is-danger .badge{border-color:var(--brand);color:var(--brand-text)}.home-notice{align-items:center;gap:var(--s-2);min-height:52px;padding:var(--s-1) var(--s-1) var(--s-1) var(--s-3);background:var(--brand-soft);border-color:#f7cdb8;display:flex}.home-notice>.icon{width:20px;height:20px;color:var(--brand-text);flex:none}.home-notice p{text-overflow:ellipsis;white-space:nowrap;min-width:0;color:var(--ink);flex:1;font-size:15px;font-weight:700;overflow:hidden}.home-notice p:last-child{padding-right:var(--s-2)}.home-notice .btn{padding:0 var(--s-3);flex:none}.home-notice.is-ending{padding-right:0}.home-notice.is-ending p{white-space:normal}.home-notice .home-notice-close{width:48px;height:48px}.home-main{gap:var(--s-4);grid-template-columns:minmax(0,1fr);min-width:0;display:grid}.home-hero{justify-items:start;gap:var(--s-1);padding:var(--s-5);color:#fff;box-shadow:0 6px 0 var(--action-edge);background:linear-gradient(155deg,#b64218,#a23e14);border-radius:24px;display:grid;position:relative;overflow:hidden}.home-hero:before{content:"";background:#ffffff12;border-radius:50%;width:230px;height:230px;position:absolute;top:-70px;right:-70px}.home-hero>*{position:relative}.home-hero-mascot{pointer-events:none;width:124px;position:absolute;top:46px;right:-4px}.home-hero-goal{align-items:center;gap:var(--s-2);font-size:14px;font-weight:800;display:flex}.home-hero-goal svg{fill:none;stroke-width:5px;stroke-linecap:round;flex:none;width:32px;height:32px}.home-hero-goal circle:first-child{stroke:#ffffff47}.home-hero-goal circle:last-child{stroke:#fff;transition:stroke-dasharray .6s var(--ease)}.home-hero-kicker{margin-top:var(--s-4);letter-spacing:.04em;text-transform:uppercase;max-width:calc(100% - 104px);font-size:13px;font-weight:900}.page .home-hero-title{max-width:calc(100% - 104px);font:900 26px/1.15 var(--display);color:#fff;overflow-wrap:anywhere}.home-hero-meta{max-width:calc(100% - 104px);font-weight:700}.home-hero-btn{--face:#fff;--edge:#f2bfa4;--text:var(--action);margin-top:var(--s-4);justify-content:center}.home-hero-btn:focus-visible{outline-color:#fff}.home-quests-row{align-items:center;gap:var(--s-3);min-height:56px;padding:0 var(--s-4);border-radius:var(--r-l);background:var(--surface-2);color:var(--ink);font:700 15px var(--sans);text-align:left;cursor:pointer;border:0;transition:background-color .15s;display:flex}.home-quests-row>.icon:first-child{width:24px;height:24px;color:var(--ink-soft);flex:none}.home-quests-row.is-ready>.icon:first-child{color:var(--brand)}.home-quests-row>.icon:last-child{width:18px;height:18px;color:var(--ink-mute);flex:none}.home-quests-row-label{flex:none}.home-quests-bar{border-radius:var(--r-full);background:var(--surface-3);flex:1;min-width:40px;height:8px;overflow:hidden}.home-quests-bar span{border-radius:inherit;background:var(--streak);height:100%;display:block}.home-quests-row .num{color:var(--ink-mute)}.home-quests-row:hover{background:var(--surface-3)}.home-quests-row:focus-visible{border-radius:var(--r)}.home-quests-row.is-ready{background:var(--brand-soft);color:var(--brand-text)}.home-quests-row.is-ready .num,.home-quests-row.is-ready>.icon:last-child{color:var(--brand-text)}.home-learn{gap:var(--s-4);grid-template-columns:minmax(0,1fr);display:grid}.home-tabs{gap:var(--s-2);margin:0 calc(-1 * var(--s-4));padding:var(--s-1) var(--s-4);scroll-snap-type:x proximity;scroll-padding-inline:var(--s-4);scrollbar-width:none;overscroll-behavior-x:contain;-webkit-mask-image:linear-gradient(to right, transparent, #000 var(--s-4), #000 calc(100% - 72px), transparent);mask-image:linear-gradient(to right, transparent, #000 var(--s-4), #000 calc(100% - 72px), transparent);display:flex;overflow-x:auto}.home-tabs::-webkit-scrollbar{display:none}.home-tab{align-items:center;gap:var(--s-2);min-height:48px;padding:0 var(--s-4) 0 var(--s-3);scroll-snap-align:start;border-radius:var(--r-full);background:var(--surface-2);color:var(--ink-soft);font:700 15px var(--sans);cursor:pointer;border:2px solid #0000;flex:none;transition:border-color .15s,background-color .15s,color .15s;display:inline-flex}.home-tab .icon{width:20px;height:20px;color:var(--ink-mute)}.home-tab:hover{background:var(--surface-3);color:var(--ink)}.home-tab[aria-selected=true]{--icon-w:var(--ink);background:var(--ink);color:#fff}.home-tab[aria-selected=true] .icon{color:#fff}.home-tab:focus-visible{border-radius:var(--r-full)}.home-path{gap:var(--s-2);display:grid}.home-path:focus-visible{border-radius:var(--r-l)}.home-path .path{margin-top:0}.unit-line{align-items:center;gap:var(--s-2);min-width:0;min-height:44px;color:inherit;border-radius:var(--r);text-decoration:none;display:flex}.unit-line>.icon{width:22px;height:22px;color:var(--ink-soft);flex:none}.unit-line h2{min-width:0;font-size:17px;font-family:var(--sans);letter-spacing:0;text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.unit-line-count{color:var(--ink-soft);flex:none;font-size:15px;font-weight:700}.unit-line-arrow{width:20px;height:20px;color:var(--brand-text);flex:none}.unit-line:hover h2{text-underline-offset:.2em;text-decoration:underline}.home-aside{gap:var(--s-4);align-content:start;display:grid}.home-box{gap:var(--s-3);padding:var(--s-4);display:grid}.home-box h2{font-size:17px;font-family:var(--sans);letter-spacing:0}.home-week{gap:var(--s-1);text-align:center;grid-template-columns:repeat(7,1fr);list-style:none;display:grid}.home-day{justify-items:center;gap:var(--s-1);color:var(--ink-mute);font-size:13px;font-weight:700;display:grid}.home-day-dot{background:var(--surface-2);border:2px solid #0000;border-radius:50%;place-items:center;width:32px;height:32px;display:grid}.home-day-dot .icon{color:#fff;fill:#fff;width:18px;height:18px}.home-day.is-active .home-day-dot{background:var(--streak)}.home-day.is-today{color:var(--ink)}.home-day.is-today .home-day-dot{border-color:var(--ink)}.home-streak{gap:var(--s-4);display:grid}.home-streak-count{align-items:center;gap:var(--s-2);font:800 24px/1.2 var(--display);display:flex}.home-streak-count .icon{width:32px;height:32px;color:var(--streak);fill:var(--streak)}.home-streak-note{color:var(--ink-soft);font-size:15px;font-weight:700}.home-streak-count.is-hearts .icon{color:var(--brand);fill:var(--brand)}.home-streak-text{color:var(--ink-soft)}.home-streak-danger{color:var(--brand-text);font-size:15px;font-weight:700}.home-day.is-frozen .home-day-dot{background:var(--surface-3);border:2px dashed var(--border-strong)}.home-day.is-frozen .home-day-dot .icon{color:var(--ink-mute);fill:var(--ink-mute)}.sheet-body .quests{border:0;padding:0;overflow:visible}.sheet-body .quests-head{display:none}.courses{gap:var(--s-5);grid-template-columns:minmax(0,1fr);display:grid}.courses-head{align-items:center;gap:var(--s-2);display:flex}.courses-head-text{flex:1;gap:2px;min-width:0;display:grid}.courses-profile{color:var(--ink-mute);font-weight:700}.courses-section{gap:var(--s-3);margin-top:var(--s-2);display:grid}.courses-section-head{justify-content:space-between;align-items:baseline;gap:var(--s-3);display:flex}.courses-title{font-size:20px}.courses-count{color:var(--ink-mute);flex:none;font-size:15px;font-weight:700}.courses-levels{max-width:420px}.courses-started{gap:var(--s-2);list-style:none;display:grid}.courses-more{justify-self:start}.course-hero{justify-items:start;gap:var(--s-1);padding:var(--s-5);color:#fff;box-shadow:0 6px 0 var(--action-edge);background:linear-gradient(155deg,#b64218,#a23e14);border-radius:24px;display:grid;position:relative;overflow:hidden}.course-hero:before{content:"";background:#ffffff12;border-radius:50%;width:230px;height:230px;position:absolute;top:-70px;right:-70px}.course-hero>*{position:relative}.course-hero-mascot{right:-4px;top:var(--s-4);pointer-events:none;width:120px;position:absolute}.course-hero-kicker,.page .course-hero-title,.course-hero-meta{max-width:calc(100% - 104px)}.course-hero-kicker{letter-spacing:.04em;text-transform:uppercase;font-size:13px;font-weight:900}.page .course-hero-title{font:900 26px/1.15 var(--display);color:#fff;overflow-wrap:anywhere}.course-hero-meta{gap:var(--s-2);font-weight:700;display:grid}.course-hero-progress{align-items:center;gap:var(--s-3);margin-top:var(--s-2);font-size:15px;display:flex}.course-hero-progress .progress{background:#ffffff47;flex:1;min-width:60px;max-width:220px;height:8px}.course-hero-progress .progress>span{background:#fff}.course-hero-btn{--face:#fff;--edge:#f2bfa4;--text:var(--action);margin-top:var(--s-4);justify-content:center}.course-hero-btn:focus-visible{outline-color:#fff}.resume{align-items:center;gap:var(--s-3);min-height:64px;padding:var(--s-2) var(--s-4) var(--s-2) var(--s-2);border-radius:var(--r-l);background:var(--surface-2);color:inherit;text-decoration:none;transition:background-color .15s;display:flex}.resume:hover{background:var(--surface-3)}.resume:focus-visible{border-radius:var(--r-l)}.resume>.icon{width:18px;height:18px;color:var(--ink-mute);flex:none}.resume-icon{border-radius:var(--r);background:var(--surface);width:48px;height:48px;color:var(--brand);flex:none;place-items:center;display:grid}.resume-icon .icon{width:26px;height:26px}.resume-body{flex:1;gap:2px;min-width:0;display:grid}.resume-subject{justify-content:space-between;gap:var(--s-2);font-weight:700;display:flex}.resume-count{color:var(--ink-mute);font-size:15px}.resume-next{text-overflow:ellipsis;white-space:nowrap;color:var(--ink-soft);font-size:15px;overflow:hidden}.courses-grid{gap:var(--s-3);grid-template-columns:repeat(2,minmax(0,1fr));list-style:none;display:grid}.subject-tile{height:100%;padding:var(--s-4);border-radius:var(--r-l);background:var(--surface-2);color:inherit;transition:background-color .15s, transform .1s var(--ease);align-content:start;justify-items:start;gap:2px;text-decoration:none;display:grid}.subject-tile:hover{background:var(--surface-3)}.subject-tile:active{transform:scale(.98)}.subject-tile:focus-visible{border-radius:var(--r-l)}.subject-tile-icon{width:48px;height:48px;margin-bottom:var(--s-3);border-radius:var(--r);color:var(--brand);background:var(--surface);place-items:center;display:grid}.subject-tile-icon .icon{width:28px;height:28px}.subject-tile .progress{width:100%;height:6px;margin-top:var(--s-2);background:var(--surface-3);align-self:end}.subject-title{font-weight:700}.subject-meta{color:var(--ink-mute);font-size:15px}.course-page{gap:var(--s-6);display:grid}@media (width<=380px){.course-hero-mascot{width:100px}.course-hero-kicker,.page .course-hero-title,.course-hero-meta{max-width:calc(100% - 84px)}.page .course-hero-title{font-size:24px}}@media (width>=1024px){.courses-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.courses-started{grid-template-columns:repeat(2,minmax(0,1fr))}.course-hero{padding:var(--s-6) var(--s-7)}.course-hero-mascot{right:var(--s-6);width:150px;top:50%;translate:0 -50%}.course-hero-kicker,.page .course-hero-title,.course-hero-meta{max-width:calc(100% - 200px)}.page .course-hero-title{font-size:32px}.course-hero-btn{width:auto;min-width:260px}.home-hero{padding:var(--s-6) var(--s-7)}.home-hero-mascot{right:var(--s-6);width:150px;top:50%;translate:0 -50%}.home-hero-btn{width:auto;min-width:260px}.page .home-head h1{font-size:28px}.home-tabs{padding:var(--s-1) 0;flex-wrap:wrap;margin:0;overflow:visible;-webkit-mask-image:none;mask-image:none}.home-aside{top:var(--s-7);position:sticky}.path{max-width:560px}}@media (prefers-reduced-motion:reduce){.path-item.is-current .path-node:after{opacity:.35;animation:none;transform:scale(1.12)}.path-chest.is-ready .path-node{animation:none}}.path-saved{border:2px solid var(--bg);background:var(--ink);color:#fff;--icon-w:var(--ink);border-radius:50%;place-items:center;width:26px;height:26px;display:grid;position:absolute;bottom:-6px;right:-4px}.path-saved .icon{width:14px;height:14px}.path-lock{border:2px solid var(--bg);background:var(--brand-text);color:#fff;--icon-w:var(--brand-text);border-radius:50%;place-items:center;width:26px;height:26px;display:grid;position:absolute;top:-6px;right:-4px}.path-lock .icon{width:14px;height:14px}