:root{--hue:149;--sat:1;--lift:0%}html[data-color=blue]{--hue:212;--sat:1.1;--lift:8%}html[data-color=pink]{--hue:336;--sat:1.25;--lift:14%}
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');
:root{color-scheme:light;--ink:#202723;--muted:#66716b;--line:#e0e5e2;--green:hsl(var(--hue) 43% 27.5%);--soft:#f4f6f5;--code:#f5f7fa;--blue:#24598c}
*{box-sizing:border-box}body{margin:0;background:#fff;color:var(--ink);font:15px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:default}a{color:inherit}button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible,a:focus-visible{outline:3px solid #7eadd5;outline-offset:3px}[hidden]{display:none!important}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.25;font-weight:650}h1{font-size:32px;letter-spacing:-.8px}h2{font-size:23px;letter-spacing:-.4px}h3{font-size:16px}button{border-radius:6px}.site-header{height:72px;max-width:1152px;margin:auto;padding:0 32px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:8px;text-decoration:none;font-size:23px;letter-spacing:-.8px;font-weight:700}.brand span{color:#9da7a1;margin-left:-6px}.header-right{display:flex;align-items:center;gap:14px}.backup-trigger,.profile-trigger{background:#fff;border:1px solid var(--line);min-height:38px;padding:6px 13px;font-size:13px;color:var(--ink)}.profile-trigger{display:flex;align-items:center;gap:8px;max-width:180px}.profile-monogram{font-size:12px;font-weight:700;color:var(--green)}.profile-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-chevron{color:var(--muted)}.storage-warning{background:#fff6dd;color:#655326;padding:12px 24px;text-align:center;font-size:13px}.main{max-width:1088px;margin:32px auto 60px;padding:0 32px}.page-heading h1{margin-bottom:5px}.page-heading p{font-size:13px;color:var(--muted);margin-bottom:24px}.tracks{display:flex;gap:24px;border-bottom:1px solid var(--line);margin-bottom:28px}.track{border:0;border-bottom:2px solid transparent;border-radius:0;background:none;padding:10px 2px 12px;color:var(--muted);font-weight:600}.track.selected{color:var(--green);border-bottom-color:var(--green)}.dashboard{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:56px;align-items:start}.course-content{min-width:0}.unit-label,.lesson-chip{font-size:12px;color:var(--muted);margin-bottom:8px}.course-heading h2{margin-bottom:10px}.course-heading>p:last-child{color:var(--muted);font-size:14px;line-height:1.7;max-width:680px;margin-bottom:14px}.journey-note{font-size:12px;color:var(--muted);padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:24px}.course-sidebar{border-left:1px solid var(--line);padding-left:24px;font-size:13px}.progress-top{display:flex;justify-content:space-between;align-items:center}.progress-top h3{margin:0}.progress-top span{font-size:12px;color:var(--muted)}.bar,.lesson-progress{height:4px;background:hsl(var(--hue) 12% 91.6%);border-radius:4px;overflow:hidden}.bar{margin-top:15px}.bar-fill,.lesson-progress-fill{height:100%;background:var(--green);width:0}.progress-count{color:var(--muted);font-size:12px;margin:8px 0 28px}.foundation-list{list-style:none;margin:0;padding:0;display:grid;gap:11px;color:var(--muted)}.foundation-list li{display:flex;gap:8px}.foundation-list li:before{content:'○';color:#9ba79f}.foundation-list li.complete:before{content:'✓';color:var(--green)}.course-chapter{margin:0 0 26px}.course-chapter h3{margin:0 0 10px}.lesson-row{width:100%;display:flex;align-items:center;gap:13px;border:0;border-top:1px solid var(--line);border-radius:0;padding:12px 10px;background:#fff;text-align:left;color:var(--ink);font-size:14px;min-height:48px}.lesson-row:last-child{border-bottom:1px solid var(--line)}.lesson-row.current{background:hsl(var(--hue) 25% 95.3%)}.lesson-row.done{color:#4d5e53}.lesson-row.locked{color:#919b94}.lesson-number{width:23px;text-align:center;color:#7a8880;font-size:12px;flex-shrink:0}.lesson-row.current .lesson-number{color:var(--green);font-weight:700}.lesson-row-title{flex:1}.lesson-row-meta{color:var(--muted);font-size:11px}.lesson-row.current .lesson-row-meta{color:var(--green);font-weight:650}.starting-card{padding:22px;border:1px solid var(--line);border-radius:8px;margin-bottom:24px}.starting-card p{color:var(--muted);font-size:14px;line-height:1.8;margin-bottom:20px}.starting-card h3{font-size:19px}.btn{background:var(--green);color:white;border:1px solid var(--green);padding:9px 17px;font-size:13px;font-weight:600;min-height:40px}.btn:hover:not(:disabled){background:hsl(var(--hue) 44% 22.5%)}.btn:disabled{opacity:.45}.btn.secondary{background:#fff;border-color:var(--line);color:var(--ink)}.quiet-action{display:block;background:none;border:0;color:var(--blue);font-size:13px;padding:10px 0;min-height:40px;text-align:left;text-decoration:underline;text-underline-offset:3px}.starting-card .quiet-action{margin-top:10px}.main footer{padding:24px 0 0;border-top:1px solid var(--line);margin-top:34px;font-size:12px;color:#7b867e}.main footer a{text-decoration:none}
/* Lessons use one page scroll, never a scrollable code panel. */
.overlay{position:fixed;inset:0;z-index:20;display:none;background:#fff;overflow-y:auto;overflow-x:hidden}.overlay.open{display:block}.lesson-header{height:56px;position:sticky;top:0;z-index:2;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:24px;padding:0 max(24px,calc((100vw - 920px)/2))}.back{border:0;background:none;padding:8px 0;font-size:13px;white-space:nowrap;color:#55635a}.lesson-progress{flex:1;max-width:260px;margin:auto}.lesson-counter{font-size:12px;color:var(--muted);white-space:nowrap}.lesson-body{max-width:920px;margin:24px auto 48px;padding:0 24px}.lesson-body h1{font-size:29px;margin-bottom:9px}.lesson-desc{color:var(--muted);font-size:14px;line-height:1.6;margin-bottom:24px;max-width:760px}.lesson-chip{margin-bottom:9px}.lesson-body h1:focus,.backup-card h2:focus{outline:none}.lesson-teaching>p{font-size:15px;line-height:1.8;max-width:760px;margin-bottom:20px}.walkthrough-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(250px,.9fr);gap:24px;align-items:start}.walkthrough-layout ol{margin:0;padding-left:24px;color:#48574e;font-size:14px;line-height:1.8}.walkthrough-layout li{padding-left:4px;margin-bottom:13px}.walkthrough-layout .worked-text{margin-top:0}.study-main{min-width:0}.study-toolbar{font-size:12px;color:var(--muted);margin:0 0 8px}.study-main h2{font-size:18px;font-weight:600;line-height:1.65;margin-bottom:16px;max-width:820px}.code-frame{margin:16px 0 22px;min-width:0;max-width:100%;border:1px solid #dfe5eb;border-radius:7px;background:var(--code)}.code-frame figcaption{padding:8px 15px;border-bottom:1px solid #e0e6ed;font-size:11px;color:#66768a}.code-view{background:var(--code);border:1px solid #dfe5eb;border-radius:6px;padding:13px 0;margin:0;min-width:0;max-width:100%;height:auto;max-height:none;overflow:visible;font:14px/1.65 ui-monospace,"SFMono-Regular",Consolas,"Liberation Mono",monospace;white-space:pre-wrap;tab-size:4}.code-frame .code-view{border:0;background:transparent}.code-line{display:grid;grid-template-columns:38px minmax(0,1fr);padding:0 15px 0 0}.line-number{text-align:right;padding-right:12px;color:#a2adba;user-select:none;font-size:11px;line-height:2.1}.code-text{min-width:0;white-space:pre-wrap;overflow-wrap:anywhere}.syntax-comment{color:#6d7b8b}.syntax-string{color:hsl(var(--hue) 53% 27.6%)}.syntax-number{color:#a05a22}.syntax-keyword{color:#7851a4}.syntax-call{color:#245b92}.syntax-blank{background:#e0eaf6;color:#255f9b;border-radius:2px}.worked-text{font:14px/1.85 ui-monospace,monospace;white-space:pre-wrap;overflow-wrap:anywhere;background:var(--soft);padding:18px;border-radius:6px;margin:0;max-width:100%}.question-visual{font-size:20px;line-height:1.8;color:var(--green);letter-spacing:3px;white-space:pre-wrap;margin:14px 0}.math-options{display:grid;gap:8px;max-width:760px}.math-options:empty{display:none}.math-option{background:white;border:1px solid var(--line);color:var(--ink);text-align:left;padding:12px 15px;min-height:44px;font-size:14px;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere}.math-option:hover{border-color:hsl(var(--hue) calc(13% * var(--sat)) calc(55.1% + var(--lift)));background:hsl(var(--hue) 17% 97.6%)}.math-option.chosen{border-color:hsl(var(--hue) calc(16% * var(--sat)) calc(52.5% + var(--lift)));background:hsl(var(--hue) 22% 95.5%)}#entry-form{margin-top:20px;max-width:760px}#entry-form label{font-size:13px;font-weight:600;display:block;margin-bottom:8px}.answer-controls{display:flex;gap:10px;align-items:stretch}.answer-controls input{min-width:0;width:100%;flex:1;border:1px solid hsl(var(--hue) calc(10% * var(--sat)) calc(75.1% + var(--lift)));border-radius:5px;padding:10px 12px;font:14px/1.5 ui-monospace,monospace;color:var(--ink);background:white}.answer-controls input:disabled{background:hsl(var(--hue) 12% 96.9%);color:#516057}.answer-controls .btn{white-space:nowrap}.answer-instruction{font-size:12px;color:var(--muted);margin:8px 0 0}.session-helper{max-width:760px;border-top:1px solid var(--line);margin-top:20px;padding-top:12px}.session-helper summary{color:var(--blue);font-size:13px;cursor:pointer}.session-helper p{font-size:14px;line-height:1.8;margin:15px 0 12px}.session-feedback{max-width:760px;border-left:3px solid #98a99d;padding:2px 0 2px 15px;margin-top:22px;font-size:14px}.session-feedback.good{border-left-color:var(--green)}.session-feedback p{margin:5px 0 0;line-height:1.8}.session-feedback pre{margin-top:12px}.session-next-area{margin-top:22px;display:flex;justify-content:flex-end;max-width:760px}.route-summary{max-width:700px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0}.route-summary h2{font-size:20px}.route-summary p{color:var(--muted);font-size:14px}
/* Optional profile, portable save and timer. */
.backup-dialog,.onboarding{position:fixed;inset:0;z-index:110;background:hsl(var(--hue) 15% 13.9% / 0.286);overflow-y:auto;padding:32px 20px}.onboarding{display:none;place-items:center}.onboarding.active{display:grid}.backup-card,.onboard-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:28px;margin:0 auto;max-width:850px}.onboard-card{width:min(100%,480px)}.backup-top,.onboard-top{display:flex;justify-content:space-between;align-items:center;gap:20px}.small-kicker,.onboard-label{font-size:12px;color:var(--muted)}.backup-close{border:0;background:none;font-size:24px;padding:0 7px;color:var(--muted)}.backup-card h2{font-size:27px;margin:15px 0}.backup-intro{font-size:14px;color:var(--muted);line-height:1.8}.backup-sections{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:26px}.backup-sections section{min-width:0}.backup-sections h3{font-size:17px}.backup-sections p{font-size:13px;color:var(--muted);line-height:1.8}.backup-sections label{display:block;font-size:12px;font-weight:600;margin:17px 0 7px}.backup-sections textarea{width:100%;min-height:90px;border:1px solid #bcc8bf;border-radius:5px;padding:10px;font:11px/1.7 ui-monospace,monospace;resize:vertical;margin:0 0 12px;overflow-wrap:anywhere}.backup-actions{display:flex;gap:8px}.backup-actions .btn{font-size:12px;padding:8px 12px}.backup-status{font-size:13px;line-height:1.8;color:hsl(var(--hue) 16% 34.1%);margin:22px 0 0}.restore-preview{background:hsl(var(--hue) 25% 95.3%);padding:17px;margin-top:20px;border-radius:6px}.restore-preview strong{font-size:14px}.restore-preview p{font-size:12px}.onboard-skip,.onboard-back{background:none;border:0;color:var(--muted);font-size:13px}.onboard-progress{display:flex;gap:5px;margin:20px 0}.onboard-progress span{height:3px;background:hsl(var(--hue) 12% 89.8%);flex:1}.onboard-progress span.active{background:var(--green)}.onboard-content h2{font-size:25px}.onboard-content p{font-size:14px;color:var(--muted)}.onboard-input{width:100%;border:1px solid hsl(var(--hue) calc(10% * var(--sat)) calc(75.1% + var(--lift)));border-radius:5px;padding:12px;font-size:16px}.onboard-choices,.onboard-goals{display:grid;gap:10px}.onboard-choice,.onboard-goal{display:flex;align-items:center;gap:10px;text-align:left;padding:12px;border:1px solid var(--line);background:#fff;font-size:14px}.onboard-choice img{width:22px;height:22px}.onboard-choice.picked,.onboard-goal.picked{background:hsl(var(--hue) 25% 95.3%);border-color:hsl(var(--hue) calc(14% * var(--sat)) calc(54.7% + var(--lift)))}.onboard-actions{display:flex;justify-content:flex-end;gap:15px;margin-top:24px}.onboard-next{background:var(--green);color:white;border:0;padding:10px 18px;font-size:13px}.onboard-error{font-size:12px;color:#8b4635;margin-top:10px}.onboard-note{font-size:11px;color:var(--muted);margin-top:22px}.focus-widget{position:fixed;left:18px;bottom:16px;z-index:100}.focus-launcher{display:flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);padding:8px 11px;font-size:11px;color:var(--muted);box-shadow:0 2px 8px hsl(var(--hue) 22% 18.0% / 0.039)}.focus-launcher svg{width:15px;height:15px}.focus-live-dot{display:none;width:5px;height:5px;background:var(--green);border-radius:50%}.running .focus-live-dot{display:block}.focus-dialog{width:290px;max-width:calc(100vw - 30px);padding:20px;background:white;border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 30px hsl(var(--hue) 22% 18.0% / 0.086);margin-bottom:10px}.focus-top{display:flex;justify-content:space-between}.focus-kicker{font-size:11px;color:var(--muted)}.focus-close{border:0;background:none;font-size:20px;color:var(--muted)}.focus-modes{display:flex;gap:4px;margin-top:14px}.focus-mode{flex:1;border:0;background:var(--soft);font-size:11px;padding:8px 3px;color:var(--muted)}.focus-mode.active{background:hsl(var(--hue) 23% 89.8%);color:var(--green)}.focus-dial{width:170px;height:170px;position:relative;display:grid;place-items:center;margin:16px auto}.focus-dial svg{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}.focus-track{stroke:#edf0ed}.focus-arc{stroke:var(--green)}.focus-dial-inner{text-align:center}.focus-clock{font-size:34px;font-variant-numeric:tabular-nums;font-weight:600}.focus-caption{font-size:11px;color:var(--muted)}.focus-actions{display:flex;gap:8px}.focus-main{flex:1;background:var(--green);border:0;color:white;padding:10px;font-size:12px}.focus-secondary{width:35px;background:#fff;border:1px solid var(--line)}.focus-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:16px;gap:8px}.focus-duration{display:flex;gap:3px}.focus-duration button{background:none;border:0;font-size:10px;padding:4px;color:var(--muted)}.focus-duration button.selected{background:hsl(var(--hue) 23% 91.4%);color:var(--green)}.focus-session,.focus-done{font-size:10px;color:var(--muted)}.focus-done{text-align:center;margin-top:10px}.focus-done:empty{display:none}
@media(max-width:760px){.site-header{padding:0 20px;height:62px}.main{margin-top:25px;padding:0 20px}.dashboard{grid-template-columns:1fr;gap:28px}.course-sidebar{border-left:0;border-top:1px solid var(--line);padding:22px 0}.foundation-list{grid-template-columns:1fr 1fr}.lesson-body{margin-top:19px;padding:0 20px}.lesson-body h1{font-size:26px}.lesson-header{padding:0 20px;gap:16px}.walkthrough-layout{grid-template-columns:1fr;gap:18px}.code-view{font-size:13px;line-height:1.65}.lesson-desc{margin-bottom:20px}.backup-sections{grid-template-columns:1fr;gap:26px}.backup-card{padding:23px 20px}.backup-dialog,.onboarding{padding:18px 12px}.backup-card h2{font-size:25px}.answer-controls input{font-size:16px}.header-right{gap:8px}.profile-name,.profile-chevron{display:none}.profile-trigger{width:36px;justify-content:center;padding:6px}.backup-trigger{font-size:12px;padding:6px 10px}.lesson-row-meta{font-size:10px}.focus-widget{left:12px;bottom:12px}}
@media(max-width:420px){.answer-controls{flex-direction:column}.answer-controls .btn{align-self:flex-start}.lesson-header{gap:12px}.lesson-progress{max-width:90px}.code-line{grid-template-columns:30px minmax(0,1fr);padding-right:10px}.line-number{padding-right:8px}.lesson-body h1{font-size:24px}}

.study-toolbar,.lesson-desc:empty,.answer-instruction:empty{display:none}

/* Pip: a flat, turning sphere with two capsule eyes. The SVG has enough room
   for a bounce without clipping or moving the surrounding lesson content. */
.pip{display:block;flex-shrink:0;width:88px;height:88px;padding:0;border:0;background:transparent;border-radius:50%;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
.pip svg{display:block;width:100%;height:auto;overflow:visible}
.pip-body{fill:hsl(var(--hue) calc(54% * var(--sat)) calc(53.7% + var(--lift)))}.pip-face{fill:hsl(var(--hue) 54% 15.5%)}
.pip:hover{background:hsl(var(--hue) calc(54% * var(--sat)) calc(53.7% + var(--lift)) / 0.031)}.pip:focus-visible{outline:2px solid var(--green);outline-offset:-5px}
.page-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:18px}
.page-heading p{margin-bottom:0}.pip-home{width:92px;height:92px;margin:-12px 0}
.lesson-eyebrow{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px;margin-bottom:5px}
.lesson-eyebrow .lesson-chip{margin:0}.pip-lesson{width:64px;height:64px;margin:-8px 0}
.pip-onboard{margin:-12px auto 4px;width:88px;height:88px}
@media(max-width:760px){.pip-home{width:76px;height:76px;margin:-6px -5px -6px 0}.page-heading{gap:8px;margin-bottom:20px}.page-heading h1{font-size:29px}.page-heading p{max-width:280px}.pip-lesson{width:58px;height:58px}}

/* Bring back Stride's original ink, lime and rounded journey, keeping the
   current starting check, focused lessons and compact onboarding. */
:root{--ink:#191b1d;--muted:#777e83;--line:#e9eaec;--soft:#f6f7f6;--green:hsl(var(--hue) 43% 27.5%);--lime:hsl(var(--hue) calc(72% * var(--sat)) calc(67.5% + var(--lift)))}
body{font-family:'DM Sans',sans-serif;-webkit-font-smoothing:antialiased;background:#fdfdfc}
h1,h2,h3,.brand{font-family:'Space Grotesk',sans-serif}
.site-header{max-width:none;padding:0 max(28px,calc((100vw - 1127px)/2));height:82px;background:#fff}
.brand{font-size:27px;letter-spacing:-1.5px;gap:10px}.brand img{width:34px;height:34px}
.backup-trigger{border:0;background:#f4f5f4;border-radius:10px;font-weight:700;padding:9px 15px}
.profile-trigger{border:0;border-radius:24px;background:#f1edf9;padding:7px 13px;font-weight:700;color:#5d5074}
.profile-monogram{color:#5d5074}.main{max-width:1175px;margin:42px auto 70px;padding:0 24px}
.page-heading{margin-bottom:27px}.page-heading .eyebrow{font-size:10px;letter-spacing:1.8px;text-transform:uppercase;font-weight:800;color:#92979c;margin:0 0 12px}
.page-heading h1{font-size:50px;letter-spacing:-2px;line-height:1.1;margin-bottom:12px}
.page-heading p{font-size:14px;line-height:1.7}.pip-home{display:none}
.tracks{gap:5px;padding:6px;border:1px solid var(--line);border-radius:17px;background:#f7f8f7;width:max-content;max-width:100%;margin-bottom:34px}
.track{display:flex;align-items:center;gap:9px;padding:12px 24px;border:0;border-radius:12px;color:#81878b;font-weight:750;font-size:14px;transition:background .15s}
.track.selected{background:#202224;color:white;box-shadow:0 4px 9px #00000012}.track:hover:not(.selected){background:#eee}
.track img{width:20px;height:20px}.track-symbol{font-size:21px;line-height:1}
.track.selected img{filter:brightness(0) invert(1)}
.dashboard{grid-template-columns:minmax(0,1fr) 295px;gap:34px}
.course-heading{display:flex;align-items:center;gap:22px;justify-content:space-between;padding:26px 28px;background:#1c1e20;color:white;border-radius:20px;min-height:158px}
.course-heading>div{min-width:0}.course-heading h2{font-size:25px;letter-spacing:-.8px;margin:8px 0 10px}
.course-heading .unit-label{font-size:10px;text-transform:uppercase;letter-spacing:1.4px;font-weight:700;color:#a7adaf;margin:0}
.course-heading #unit-desc{font-size:13px;line-height:1.7;color:#b4bbbd;margin:0}
.unit-icon{display:grid;place-items:center;width:62px;height:62px;flex-shrink:0;border-radius:19px;background:var(--lime);color:hsl(var(--hue) 22% 12.5%);transform:rotate(8deg);font:700 26px 'Space Grotesk',sans-serif}
.journey-note{padding:16px 6px 0;margin-bottom:26px;border:0;font-size:12px;line-height:1.8}
.course-sidebar{border:0;padding:0;display:grid;gap:20px;position:sticky;top:24px}
.progress-panel{border:1px solid var(--line);border-radius:20px;padding:24px;background:white}
.progress-top h3,.progress-panel>h3{font-size:17px;letter-spacing:-.5px}.progress-top span{font-weight:750;font-size:13px;color:var(--ink)}
.bar{height:8px;margin-top:18px;background:#edf0ed;border-radius:8px}.bar-fill{background:var(--lime);border-radius:8px}
.progress-count{margin:10px 0 26px;color:#8a9194;font-size:12px}.foundation-list{gap:12px;font-size:12px;line-height:1.5}
.starting-card{background:white;padding:27px 28px;border-radius:20px}.starting-card h3{font-size:23px;letter-spacing:-.6px;margin-bottom:12px}.starting-card p{font-size:14px;margin-bottom:22px}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:0;border-radius:11px;background:#202224;padding:12px 20px;font-size:13px;font-weight:750;min-height:44px}
.btn:hover:not(:disabled){background:#363a3c}.btn.secondary{border:1px solid var(--line);background:#f2f4f2}.quiet-action{color:#65756b;font-size:12px}
.main footer{border:0;text-align:center;padding-top:12px;margin-top:28px;color:#a0a7a3;font-size:12px}
.overlay{background:#fdfdfc}.lesson-header{height:70px}.lesson-progress{height:7px;max-width:260px;background:#e8ece8}.lesson-progress-fill{background:var(--lime);border-radius:7px}
.lesson-body{margin-top:32px}.lesson-body h1{font-size:36px;letter-spacing:-1.2px;margin-bottom:14px}.lesson-desc{font-size:15px;line-height:1.8;margin-bottom:28px}
.lesson-eyebrow{margin-bottom:14px}.lesson-eyebrow .lesson-chip{display:inline-block;background:#efedf7;color:#796992;padding:6px 11px;border-radius:8px;font-size:10px;font-weight:700;letter-spacing:.5px}.pip-lesson{width:78px;height:78px;margin:-12px -8px -12px 0}
.code-frame{border-radius:12px}.code-view{border-radius:10px}.code-frame .code-view{border-radius:0 0 12px 12px}.code-frame figcaption{padding:10px 16px;font-weight:600}.answer-controls input{border-radius:9px;background:white}.math-option{border-radius:12px;background:white}
.session-feedback{border:0;padding:17px 20px;border-radius:12px;background:hsl(var(--hue) 11% 94.7%)}.session-feedback.good{background:hsl(var(--hue) 50% 93.7%)}.session-helper{margin-top:24px}.route-summary{background:white;border:1px solid var(--line);padding:24px;border-radius:16px}
/* The new profile / starting-check flow stays compact. */
.onboard-card,.backup-card{border-radius:18px}.onboard-next{background:#202224;border-radius:10px}.onboard-choice,.onboard-goal{border-radius:10px}.onboard-content h2{font-size:25px;letter-spacing:-.7px}
@media(max-width:850px){
 .dashboard{grid-template-columns:minmax(0,1fr) 250px;gap:24px}.progress-panel{padding:20px}.course-heading{padding:24px;gap:16px}.unit-icon{width:52px;height:52px;font-size:23px}
}
@media(max-width:760px){
 .site-header{padding:0 20px;height:70px}.brand{font-size:25px}.brand img{width:30px;height:30px}.main{padding:0 20px;margin-top:30px}
 .page-heading h1{font-size:39px;letter-spacing:-1.7px}.page-heading p{font-size:12px}.page-heading .eyebrow{font-size:9px;margin-bottom:9px}.page-heading{gap:10px;margin-bottom:24px}.pip-home{display:block;width:88px;height:88px;margin:0 -12px 0 0}
 .tracks{margin-bottom:26px;width:100%;gap:2px}.track{flex:1;justify-content:center;padding:11px 12px;font-size:13px;gap:7px}.track img{width:18px;height:18px}
 .dashboard{grid-template-columns:1fr;gap:24px}.course-sidebar{position:static;display:block}.progress-panel{padding:24px}.foundation-list{grid-template-columns:1fr 1fr}.course-heading{min-height:150px;border-radius:18px}.course-heading h2{font-size:23px}
 .lesson-body{margin-top:22px}.lesson-body h1{font-size:30px;letter-spacing:-.9px}.lesson-header{height:62px;padding:0 20px;gap:14px}.lesson-desc{font-size:14px}.pip-lesson{width:68px;height:68px;margin:-8px -5px -8px 0}
 .lesson-eyebrow{margin-bottom:15px}.starting-card{padding:24px}.starting-card h3{font-size:22px}.onboard-card{padding:24px}
}
@media(max-width:420px){
 .page-heading h1{font-size:35px}.pip-home{width:76px;height:76px;flex-basis:76px}.page-heading>div{min-width:0}.page-heading p{font-size:11px}.unit-icon{width:43px;height:43px;border-radius:14px;font-size:21px}.course-heading{padding:22px 20px;gap:13px}.course-heading h2{font-size:21px}.course-heading #unit-desc{font-size:12px}

 .lesson-progress{max-width:110px}.lesson-body h1{font-size:28px}.backup-trigger{font-size:11px;padding:8px 10px}.profile-trigger{width:35px;padding:7px}.pip-lesson{width:62px;height:62px}
}
@media(prefers-reduced-motion:reduce){.lesson-number{transition:none}.lesson-row:hover:not(:disabled) .lesson-number{transform:none}}

/* Compact navigation, one moving selection pill, and the original streak spot. */
.site-header{display:grid;grid-template-columns:minmax(130px,1fr) auto minmax(0,1fr);gap:24px;height:84px;padding:0 max(24px,calc((100vw - 1127px)/2))}
.site-header .brand{justify-self:start}.header-right{justify-self:end;gap:14px}
.site-header .tracks{position:relative;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;width:316px;padding:5px;margin:0;border-radius:999px;background:#f3f4f3;border:1px solid #e9ebe8;isolation:isolate}
.track-indicator{position:absolute;z-index:-1;left:5px;top:5px;bottom:5px;width:calc((100% - 10px)/3);border-radius:999px;background:#202224;box-shadow:0 3px 8px #00000012;transform:translateX(calc(var(--track-index,0)*100%))}
.tracks.ready .track-indicator{transition:transform .32s cubic-bezier(.22,.8,.25,1)}
.site-header .track{justify-content:center;gap:7px;padding:10px 9px;border-radius:999px;font-size:12px;background:transparent;box-shadow:none;transition:color .2s;min-width:0}
.site-header .track.selected{color:white;background:transparent;box-shadow:none}.site-header .track:hover:not(.selected){background:#00000004}
.track img{width:18px;height:18px}.track-symbol{font-size:19px}.streak{display:flex;align-items:center;gap:6px;white-space:nowrap;font-size:12px;font-weight:700;color:#777d80;font-variant-numeric:tabular-nums}
.flame{color:#ff9b53;font-size:23px;line-height:1}.streak #streak{color:#353c36;font-weight:800}.streak.studied-today .flame{color:#f28b35}
.page-heading h1{font-size:36px;letter-spacing:-1.4px}.page-heading{margin-bottom:30px}.page-heading .eyebrow{margin-bottom:10px}
.course-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:0;background:transparent;min-height:0;border-radius:0;color:var(--ink)}
.course-heading h2{font-size:20px;letter-spacing:-.5px;margin:0;line-height:1.4}.course-resume{border:0;border-radius:999px;background:#202224;color:white;font-size:11px;font-weight:700;padding:9px 15px;white-space:nowrap;min-height:38px}
.journey-note{padding:0;margin:9px 0 30px;font-size:12px;line-height:1.8}
/* A vertical path with full-size targets and gentle turns between lessons. */
.course-chapter{position:relative;display:flex;flex-direction:column;align-items:center;max-width:360px;width:100%;margin:0 auto 34px;padding:0;border:0;border-radius:0;background:transparent}
.course-chapter h3{width:100%;height:20px;line-height:20px;margin:0 0 28px;padding:0;font-size:14px;letter-spacing:-.2px;color:#555f58}
.course-connector{position:absolute;left:0;top:48px;width:100%;z-index:0;pointer-events:none}
.course-connector path{fill:none;stroke:#e3e8e3;stroke-width:6;stroke-linecap:round;stroke-dasharray:1 15}
.lesson-row,.lesson-row:last-child{position:relative;z-index:1;flex-shrink:0;flex-direction:column;justify-content:flex-start;text-align:center;gap:0;width:180px;height:148px;min-height:148px;border:0;padding:0 5px 6px;border-radius:12px;background:transparent}
.lesson-row.current,.lesson-row.done,.lesson-row.locked{background:transparent}
.lesson-row:nth-of-type(3n+1){transform:translateX(-55px)}.lesson-row:nth-of-type(3n+2){transform:translateX(55px)}.lesson-row:nth-of-type(3n){transform:none}
.lesson-number{display:grid;place-items:center;width:72px;height:72px;border-radius:24px;border:2px solid #e7e9e7;box-shadow:0 5px 0 #e2e5e3;background:#f4f6f4;color:#a3aaa5;font:600 23px 'Space Grotesk',sans-serif;flex-shrink:0;margin-bottom:14px}
.lesson-row.current .lesson-number{background:#202224;color:white;border-color:#202224;box-shadow:0 5px 0 #555d56}
.lesson-row.done .lesson-number{background:var(--lime);color:hsl(var(--hue) 27% 22.2%);border-color:hsl(var(--hue) calc(53% * var(--sat)) calc(59.4% + var(--lift)));box-shadow:0 5px 0 hsl(var(--hue) calc(42% * var(--sat)) calc(55.3% + var(--lift)))}
.lesson-row:hover:not(:disabled) .lesson-number{transform:translateY(-3px)}
.lesson-row-title{flex:0;color:#353d37;font-size:12px;font-weight:700;line-height:1.45;max-width:170px}.lesson-row-meta{font-size:10px;color:#929a94;margin-top:5px;line-height:1.5}
.lesson-row.current .lesson-row-meta{color:hsl(var(--hue) 25% 34.5%);font-weight:800}.lesson-row.locked .lesson-row-title{color:#9aa19c}
.course-chapter[data-steps="1"] .lesson-row{transform:none}
.main .creator-credit{display:flex;justify-content:center;align-items:center;margin:34px auto 0;padding:16px 0 8px}
.creator-credit a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 12px;border-radius:10px;transition:opacity .2s,transform .2s}
.creator-credit a:hover{opacity:.62;transform:translateY(-2px)}.creator-credit img{display:block;width:116px;height:auto;max-width:100%}
@media(max-width:1050px){.site-header{grid-template-columns:1fr auto;height:auto;padding:16px 24px 14px;gap:14px}.site-header .tracks{grid-row:2;grid-column:1/-1;justify-self:center;width:min(100%,360px)}}
@media(max-width:760px){.site-header{padding:14px 20px;gap:14px}.header-right{gap:10px}.streak-label{display:none}.streak{gap:4px}.page-heading h1{font-size:33px}.page-heading{margin-bottom:26px}.course-heading h2{font-size:19px}.course-sidebar{position:static}.journey-note{margin-bottom:27px}.course-chapter{max-width:360px}}
@media(max-width:420px){.site-header{padding:14px 16px;column-gap:8px}.header-right{gap:6px}.site-header .brand{font-size:23px;gap:7px}.brand img{width:27px;height:27px}.backup-trigger{padding:7px 9px;font-size:10px}.profile-trigger{width:32px;min-height:34px}.streak{font-size:11px}.flame{font-size:21px}.page-heading h1{font-size:31px}.course-heading h2{font-size:18px}.course-resume{padding:8px 12px;font-size:10px}.lesson-row:nth-of-type(3n+1){transform:translateX(-40px)}.lesson-row:nth-of-type(3n+2){transform:translateX(40px)}.course-chapter[data-steps="1"] .lesson-row{transform:none}.creator-credit img{width:106px}}
@media(prefers-reduced-motion:reduce){.tracks.ready .track-indicator,.site-header .track,.creator-credit a{transition:none}.lesson-row:hover:not(:disabled) .lesson-number{transform:none}}

/* Optional focus timer: a small edge control that expands only on request. */
.focus-widget{position:fixed;z-index:60;left:clamp(12px,2vw,32px);bottom:22px;display:flex;flex-direction:column;align-items:flex-start;gap:11px;pointer-events:none}
.focus-widget>*{pointer-events:auto}
.focus-launcher{border:1px solid #e6e7e8;background:#fff;color:#252729;border-radius:999px;box-shadow:0 8px 30px #1c1d1f12;min-height:45px;padding:9px 15px;display:flex;align-items:center;gap:9px;font-size:12px;font-weight:800;transition:transform .2s,box-shadow .2s}
.focus-launcher:hover{transform:translateY(-2px);box-shadow:0 12px 34px #1c1d1f1b}
.focus-launcher svg{width:17px;height:17px}.focus-launcher .focus-live-dot{width:6px;height:6px;border-radius:50%;background:hsl(var(--hue) calc(52% * var(--sat)) calc(61.8% + var(--lift)));display:none}.focus-widget.running .focus-live-dot{display:block}
.focus-dialog{width:min(330px,calc(100vw - 28px));background:#fff;border:1px solid #e9eaec;border-radius:24px;box-shadow:0 24px 70px #16171924;overflow:hidden;padding:22px;animation:focus-rise .25s cubic-bezier(.2,.85,.2,1)}
.focus-dialog[hidden]{display:none}.focus-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.focus-kicker{font-size:10px;color:#989ba0;letter-spacing:1.8px;font-weight:900;text-transform:uppercase}.focus-close{width:34px;height:34px;border:0;border-radius:10px;background:#f5f5f5;color:#727579;font-size:22px;line-height:1}.focus-close:hover{background:#ebebeb}
.focus-modes{display:flex;gap:4px;background:#f4f5f5;padding:4px;border-radius:13px;margin-top:21px}.focus-mode{flex:1;border:0;border-radius:10px;background:transparent;padding:10px 3px;color:#8b8e92;font-size:12px;font-weight:800}.focus-mode.active{color:#202124;background:#fff;box-shadow:0 1px 7px #0000000d}
.focus-dial{position:relative;width:210px;height:210px;margin:22px auto 15px;display:grid;place-items:center}.focus-dial svg{position:absolute;width:100%;height:100%;transform:rotate(-90deg)}.focus-track{stroke:#f0f1f2}.focus-arc{stroke:#202124;stroke-linecap:round;transition:stroke-dashoffset .6s linear}.focus-dial-inner{text-align:center}.focus-clock{font:700 48px/1.1 'Space Grotesk',sans-serif;letter-spacing:-2px;font-variant-numeric:tabular-nums}.focus-caption{color:#969a9d;font-size:12px;margin-top:8px;font-weight:600}
.focus-actions{display:flex;align-items:center;justify-content:center;gap:9px}.focus-main{flex:1;max-width:190px;min-height:46px;background:#202124;border:0;border-radius:12px;color:#fff;font-weight:800;font-size:13px;transition:transform .2s,background .2s}.focus-main:hover{background:#36383a;transform:translateY(-2px)}.focus-secondary{width:46px;height:46px;display:grid;place-items:center;border:1px solid #e9eaec;border-radius:12px;background:#fff;color:#595d61;font-size:18px}.focus-secondary:hover{background:#f5f5f5}.focus-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:20px;padding-top:15px;border-top:1px solid #f0f0f0}.focus-duration{display:flex;gap:5px}.focus-duration button{background:transparent;border:1px solid transparent;border-radius:8px;padding:5px 8px;color:#989ba0;font-size:11px;font-weight:800}.focus-duration button.selected{border-color:#e7e8e8;background:#f6f6f6;color:#292c2f}.focus-session{font-size:11px;color:#9a9da0;font-weight:700}.focus-done{font-size:12px;color:hsl(var(--hue) 39% 34.3%);min-height:18px;text-align:center;margin-top:13px}.focus-done:empty{display:none}
@keyframes focus-rise{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
@media(max-width:700px){.focus-widget{left:12px;bottom:max(12px,env(safe-area-inset-bottom));}.focus-dialog{padding:19px;width:min(320px,calc(100vw - 24px))}.focus-dial{width:190px;height:190px;margin:14px auto}.focus-clock{font-size:44px}.focus-launcher{min-height:45px}}
@media(prefers-reduced-motion:reduce){.focus-dialog{animation:none}.focus-arc,.focus-launcher,.focus-main{transition:none}}


.focus-dialog{margin:0;max-height:calc(100dvh - 100px);overflow-y:auto}.focus-widget{z-index:100}

/* Pip owns one anchored speech bubble rather than adding cards to the lesson. */
.profile-trigger{width:auto;max-width:155px;min-height:38px;padding:8px 12px;justify-content:center}.profile-name{display:block;max-width:126px;font-size:12px}.profile-chevron,.profile-monogram{display:none}
.pip-dock{display:flex;justify-content:flex-end;pointer-events:none}.pip-companion .pip-companion-button{display:flex;align-items:center;gap:5px;width:auto;height:86px;min-width:86px;margin:0;padding:0;border:0;border-radius:50px;background:transparent;pointer-events:auto;transition:transform .2s}
.pip-companion .pip-companion-button:hover{transform:translateY(-2px)}.pip-companion .pip-companion-button:active{transform:scale(.95)}.pip-companion .pip-companion-button:focus-visible{outline:2px solid var(--green);outline-offset:0}
.pip-companion-button svg{width:86px;height:86px;flex-shrink:0;overflow:visible}.pip-dock-label{font-size:14px;font-weight:750;text-align:right;color:hsl(var(--hue) 17% 27.8%);line-height:1.4}.pip-dock-label small{display:block;max-width:140px;font-size:10px;font-weight:500;color:#85917e;margin-top:2px}
#pip-feedback-help{margin-top:9px;padding:5px 0;font-size:12px}
@media(max-width:1050px){.pip-companion{--pip-top:150px;right:24px}}
@media(max-width:760px){.pip-companion{--pip-top:148px;right:14px;width:350px;max-width:calc(100vw - 28px)}.pip-companion .pip-companion-button{height:72px;min-width:72px}.pip-companion-button svg{width:72px;height:72px}.pip-companion.in-lesson{--pip-top:72px;right:14px}.pip-companion.in-profile{--pip-top:10px;right:14px}.profile-trigger{width:auto;padding:8px 11px}.profile-name{display:block;max-width:84px}}
@media(max-width:420px){.profile-trigger{width:auto;padding:8px 9px}.profile-name{max-width:66px;font-size:11px}.page-heading>div{padding-right:64px}.pip-dock-label small{max-width:125px}}
@media(max-width:360px){.site-header .brand{font-size:21px;gap:5px}.site-header .brand img{width:24px;height:24px}.profile-name{max-width:48px}.backup-trigger{font-size:9px;padding:7px 8px}.header-right{gap:5px}.page-heading h1{font-size:29px}}
@media(prefers-reduced-motion:reduce){.pip-companion .pip-companion-button{transition:none}.pip-companion .pip-companion-button:hover,.pip-companion .pip-companion-button:active{transform:none}}

/* Pip rests in the heading and makes room beside the work when asked. */
.pip-rest-slot{width:86px;height:86px;flex:0 0 86px;position:relative}
.pip-companion,.pip-companion.in-lesson,.pip-companion.in-profile{position:relative;top:auto;right:auto;width:100%;max-width:none;z-index:3;pointer-events:auto;scroll-margin-top:75px}
.pip-rest-slot .pip-companion{position:absolute;right:0;top:0;width:86px}
.pip-companion .pip-companion-button{position:relative;width:86px;min-width:86px;height:86px;z-index:4;transition:none}
.pip-dock-label{display:block!important;position:absolute;right:82px;width:114px;opacity:0;transform:translateX(6px);transition:opacity .18s,transform .18s;pointer-events:none}
.pip-companion-button:hover .pip-dock-label,.pip-companion-button:focus-visible .pip-dock-label{opacity:1;transform:none}
.pip-companion .pip-companion-button:hover,.pip-companion .pip-companion-button:active{transform:none}
.dashboard:has(#pip-home-help:not(:empty)){grid-template-columns:minmax(0,1fr) 310px;gap:36px}
.lesson-layout{max-width:920px;margin:24px auto 48px;padding:0 24px;display:grid;grid-template-columns:minmax(0,1fr);gap:30px;align-items:start}
.lesson-layout .lesson-body{width:100%;max-width:none;margin:0;padding:0;min-width:0}
.lesson-eyebrow{min-height:64px}.lesson-eyebrow .pip-rest-slot{height:64px}.lesson-eyebrow .pip-companion-button,.lesson-eyebrow .pip-companion-button svg{width:64px;height:64px;min-width:64px}.lesson-eyebrow .pip-rest-slot .pip-companion{width:64px}.lesson-eyebrow .pip-dock-label{right:64px}
.pip-profile-slot{float:right;width:64px;min-height:64px}.pip-profile-slot .pip-companion-button,.pip-profile-slot .pip-companion-button svg{width:64px;height:64px;min-width:64px}
.playground-link{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:700;text-decoration:none;padding:9px 0 9px 9px;white-space:nowrap}.playground-link[aria-current]{color:hsl(var(--hue) 50% 35.3%)}
.site-header{max-width:none;grid-template-columns:auto minmax(230px,316px) auto;justify-content:space-between;gap:22px}.header-right{gap:13px}.streak-label{display:none}
.playground-page{max-width:1190px}.playground-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:30px;align-items:start}.playground-workspace{min-width:0}
.playground-toolbar{display:flex;align-items:center;gap:18px;margin:0 0 22px}.playground-toolbar label{font-size:11px;color:#7e867d;display:flex;align-items:center;gap:12px;margin-right:auto}.playground-toolbar select{min-width:135px;max-width:210px;font:inherit;font-size:13px;font-weight:600;padding:9px 28px 9px 12px;color:var(--ink);border:1px solid hsl(var(--hue) 16% 87.5%);border-radius:9px;background:#fff}.playground-toolbar .quiet-action{font-size:12px;color:#7d847a;white-space:nowrap}.playground-toolbar .btn{border-radius:9px;white-space:nowrap;background:#252825;border-color:#252825}
.editor-heading,.output-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}.editor-heading{border:1px solid hsl(var(--hue) 15% 88.0%);border-bottom:0;border-radius:12px 12px 0 0;background:#f6f7f3;padding:12px 18px;font-size:12px;color:#586151}.editor-heading>span{font-size:10px;color:#88917f}
.playground-editor{display:block;width:100%;min-height:320px;resize:none;overflow:hidden;border:1px solid hsl(var(--hue) 15% 88.0%);border-radius:0 0 12px 12px;background:#fcfdf9;color:hsl(var(--hue) 18% 17.3%);padding:20px;font:14px/1.85 ui-monospace,SFMono-Regular,Consolas,monospace;tab-size:4;white-space:pre-wrap;overflow-wrap:anywhere;caret-color:hsl(var(--hue) 55% 29.6%)}
.editor-shortcuts{font-size:10px;color:#92998b;margin:9px 0 20px}.playground-input{border-bottom:1px solid hsl(var(--hue) 14% 90.4%);padding-bottom:18px;margin-bottom:25px}.playground-input summary{font-size:13px;cursor:pointer}.playground-input summary span{font-size:11px;color:#8b9384;margin-left:8px}.playground-input label{display:block;margin:14px 0 7px;font-size:12px;color:#727c69}.playground-input textarea{display:block;width:100%;border:1px solid hsl(var(--hue) 20% 87.3%);border-radius:8px;padding:12px;font:13px/1.7 ui-monospace,monospace;resize:vertical;background:#fff}
.output-heading h2{font-size:16px;margin:0}.output-heading>span{font-size:11px;color:#78816e}.playground-output pre{margin:14px 0 0;padding:18px;border:1px solid hsl(var(--hue) 19% 89.4%);border-radius:10px;background:hsl(var(--hue) 30% 96.1%);font:13px/1.8 ui-monospace,monospace;white-space:pre-wrap;overflow-wrap:anywhere;min-height:105px}.playground-output .quiet-action{font-size:12px;color:hsl(var(--hue) 24% 37.6%)}.runner-note{font-size:11px;line-height:1.8;color:#939a8a;max-width:680px;margin:24px 0 18px}.back-to-journey{font-size:12px;color:#6c7664;text-decoration:none}
@media(max-width:1050px){.site-header{grid-template-columns:auto auto;height:auto;min-height:84px;padding:15px 24px;gap:16px}.site-header .tracks{grid-row:2;grid-column:1/-1;justify-self:center}.header-right{gap:14px}.dashboard:has(#pip-home-help:not(:empty)){grid-template-columns:minmax(0,1fr) 290px;gap:24px}}
@media(max-width:760px){.site-header{padding:14px 20px;column-gap:12px}.header-right{gap:10px}.playground-link{font-size:11px;padding-left:2px}.site-header .tracks{width:min(100%,316px)}.main .page-heading>div:first-child{padding-right:0}.page-heading .pip-rest-slot{width:72px;flex-basis:72px;height:72px}.pip-rest-slot .pip-companion{width:72px}.pip-companion .pip-companion-button,.pip-companion-button svg{width:72px;min-width:72px;height:72px}.pip-dock-label{right:70px;width:95px;font-size:12px;background:#ffffffed;border-radius:8px;padding:5px}.pip-dock-label small{font-size:9px}.dashboard:has(#pip-home-help:not(:empty)){grid-template-columns:minmax(0,1fr)}.lesson-layout{padding:0 20px;gap:20px}.lesson-eyebrow .pip-rest-slot{height:64px}.dashboard:has(#pip-home-help:not(:empty)) .course-sidebar{grid-row:1}.playground-toolbar{gap:10px;flex-wrap:wrap}.playground-toolbar label{font-size:0;gap:0}.playground-toolbar select{font-size:13px;min-width:110px;max-width:140px}.playground-toolbar .quiet-action{font-size:11px}.playground-toolbar .btn{font-size:11px;padding:9px 12px}.editor-heading{padding:11px 13px;gap:8px}.editor-heading>span{font-size:9px}.playground-editor{font-size:13px;padding:16px}.playground-input summary span{display:block;margin-left:16px}.output-heading{gap:8px}.output-heading>span{font-size:10px}.editor-shortcuts{font-size:9px}}
@media(max-width:420px){.site-header{padding:14px 16px;gap:12px 8px}.site-header .brand{font-size:21px;gap:5px}.site-header .brand img{width:24px;height:24px}.header-right{gap:7px}.backup-trigger{font-size:9px;padding:7px}.profile-trigger{padding:7px}.profile-name{font-size:10px;max-width:49px}.playground-link{font-size:10px;gap:3px}.streak{font-size:10px;gap:2px}.flame{font-size:18px}}
@media(max-width:360px){.header-right{gap:5px}.playground-link span{display:none}.profile-name{max-width:38px}.site-header .brand{font-size:20px}.backup-trigger{padding:7px 5px}}
@media(prefers-reduced-motion:reduce){.pip-dock-label{transition:none}}

/* The authored journey keeps the path, with quieter, collapsible chapters. */
.journey-phase{margin:0 0 28px;border-top:1px solid hsl(var(--hue) 16% 89.2%);padding-top:17px}.journey-phase>summary{font-size:15px;font-weight:700;cursor:pointer;color:hsl(var(--hue) 13% 27.8%);list-style-position:outside;margin-left:17px;padding:4px 0 20px}.journey-phase .course-chapter{margin-top:15px}.journey-phase .course-chapter h3{height:auto;min-height:20px;line-height:1.5}
.foundation-list li{display:grid;gap:2px;grid-template-columns:1fr;position:relative;padding-left:18px}.foundation-list li:before{position:absolute;left:0;top:0}.foundation-list small{font-size:10px;color:#919a86}.foundation-list .complete small{color:hsl(var(--hue) 39% 37.1%)}.evidence-note{font-size:10px;line-height:1.7;color:#929b88;margin:9px 0 18px}.course-sidebar{position:static;max-height:none}.foundation-list{gap:15px}
.trace-space{max-width:850px}.trace-toolbar{display:flex;align-items:center;justify-content:space-between;margin:0 0 14px;gap:16px;font-size:12px;color:#7d8773}.trace-toolbar .btn{min-height:34px;padding:6px 12px}.active-line{background:hsl(var(--hue) 45% 88.6%);box-shadow:inset 3px 0 hsl(var(--hue) calc(39% * var(--sat)) calc(54.1% + var(--lift)))}.trace-space>p{font-size:14px;margin:18px 0;color:hsl(var(--hue) 18% 29.2%)}.trace-observation{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:20px 0 25px}.trace-observation section{padding:17px;border:1px solid hsl(var(--hue) 23% 88.2%);border-radius:12px;background:hsl(var(--hue) 38% 97.5%);min-width:0}.trace-observation h2{font-size:12px;letter-spacing:0;margin:0 0 12px;color:#7e8a72}.trace-observation dl{display:grid;grid-template-columns:1fr 1fr;gap:7px 15px;margin:0;font:13px/1.8 ui-monospace,monospace}.trace-observation dt{overflow-wrap:anywhere}.trace-observation dd{margin:0;text-align:right}.trace-observation pre{font:13px/1.8 ui-monospace,monospace;white-space:pre-wrap;overflow-wrap:anywhere;margin:0;min-height:28px}.trace-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:25px}
.project-space label,.portfolio-space>label{display:block;font-size:13px;font-weight:650;margin-bottom:9px}.project-space .playground-editor{border-radius:12px;min-height:230px}.project-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:17px 0}.project-actions>span{font-size:12px;color:#7d8971}.project-space ul{padding:0;list-style:none;font-size:12px;line-height:1.9;overflow-wrap:anywhere}.project-space li{padding:8px 0;border-bottom:1px solid hsl(var(--hue) 25% 92.2%)}.project-space .passed{color:hsl(var(--hue) 39% 36.7%)}.project-space .failed{color:#92703b}.project-space pre{white-space:pre-wrap;overflow-wrap:anywhere;padding:17px;background:#faf6ef;border-radius:9px;font:12px/1.8 ui-monospace,monospace}
.portfolio-space>p{font-size:14px;line-height:1.9;color:hsl(var(--hue) 12% 39.6%)}.portfolio-space h2{font-size:17px;margin:24px 0 13px}.portfolio-space ul{font-size:14px;color:hsl(var(--hue) 14% 37.3%);line-height:1.9;padding-left:20px}.portfolio-space #portfolio-checks{display:grid;gap:12px;margin-bottom:25px}.portfolio-space #portfolio-checks label{display:flex;align-items:flex-start;gap:11px;font-size:13px;line-height:1.8}.portfolio-space input{margin-top:7px;accent-color:hsl(var(--hue) calc(31% * var(--sat)) calc(46.3% + var(--lift)))}.portfolio-space textarea{width:100%;border:1px solid hsl(var(--hue) 25% 86.9%);border-radius:10px;padding:15px;font:14px/1.8 inherit;resize:vertical}.portfolio-space>textarea+p{font-size:11px;color:hsl(var(--hue) calc(10% * var(--sat)) calc(56.3% + var(--lift)))}.project-space .runner-note{font-size:11px}
@media(max-width:760px){.trace-observation{grid-template-columns:minmax(0,1fr);gap:12px}.trace-observation section{padding:15px}.journey-phase>summary{font-size:14px}.foundation-list{grid-template-columns:1fr}.trace-actions .btn{font-size:12px}.project-actions .btn{font-size:12px}.project-space .playground-editor{font-size:13px}.course-chapter h3{max-width:300px}.portfolio-space textarea{font-size:16px}}

.lesson-header{z-index:10}
.lesson-step-context{display:flex;align-items:center;gap:12px;min-width:0}.lesson-step-context select{border:1px solid hsl(var(--hue) 16% 89.2%);background:transparent;color:#7d8872;border-radius:7px;max-width:230px;padding:6px 24px 6px 9px;font:11px/1.5 inherit}.journey-phase .course-chapter{padding-top:28px}.journey-phase .course-connector{top:28px}.journey-phase .lesson-row-title{max-width:250px;white-space:normal;line-height:1.45}.journey-phase .lesson-row{min-height:148px}.course-chapter .lesson-row-meta{max-width:240px;white-space:normal;text-align:center}.journey-phase .lesson-row-title{font-size:12px}
@media(max-width:760px){.lesson-step-context{align-items:flex-start;flex-direction:column;gap:7px}.lesson-step-context select{max-width:230px;font-size:10px}.lesson-eyebrow{margin-bottom:18px}}
.workshop{max-width:820px;font-size:15px;line-height:1.9}.workshop>h1{font-size:36px;line-height:1.2}.workshop>h2{font-size:21px;margin:35px 0 14px}.workshop>p,.workshop li{color:hsl(var(--hue) 11% 39.2%)}.workshop .worked-text{margin:18px 0;font-size:13px}.workshop-download{display:inline-block;text-decoration:none;margin:15px 0}.workshop-header{grid-template-columns:auto auto;max-width:1175px}.workshop-header>a:last-child{font-size:12px;text-decoration:none}.workshop .eyebrow{font-size:11px;color:hsl(var(--hue) calc(10% * var(--sat)) calc(54.1% + var(--lift)));letter-spacing:1px;text-transform:uppercase}

/* Evidence list grouped by phase so a 26-topic route stays scannable. */
.foundation-list{display:block}.evidence-rows{list-style:none;margin:0;padding:0;display:grid;gap:9px}.evidence-rows li{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding-left:0}.foundation-list .evidence-rows li:before{content:none}.evidence-rows li.complete>span{text-decoration:line-through;text-decoration-thickness:1px;color:#98a094}.evidence-rows li span{min-width:0}.evidence-rows small{flex:0 0 auto;text-align:right}
.evidence-group{border-top:1px solid hsl(var(--hue) 14% 91.4%);padding:2px 0}.evidence-group:first-child{border-top:0}.evidence-group>summary{display:flex;justify-content:space-between;gap:10px;cursor:pointer;padding:9px 0;font-size:12px;font-weight:700;color:hsl(var(--hue) 13% 27.8%)}.evidence-group[open]>summary{padding-bottom:12px}.evidence-group>summary span{font-weight:600;color:#7d8872;font-variant-numeric:tabular-nums}.evidence-group .evidence-rows{padding:0 0 12px}
.journey-phase>summary .phase-count{margin-left:10px;font-size:11px;font-weight:600;color:#8a9381}
@media(max-width:760px){.foundation-list{display:block}}

/* Colour choice in the profile. */
.onboard-colours{display:flex;justify-content:center;gap:14px;margin:18px 0 2px}
.onboard-colour{width:46px;height:46px;border-radius:50%;border:3px solid transparent;padding:0;box-shadow:inset 0 0 0 2px #fff;background:var(--swatch);transition:transform .15s}
.onboard-colour:hover{transform:scale(1.08)}.onboard-colour[aria-pressed=true]{border-color:var(--swatch);box-shadow:inset 0 0 0 3px #fff}
.onboard-colour:focus-visible{outline:3px solid #7eadd5;outline-offset:3px}
.onboard-colour-label{margin:8px 0 0;font-size:12px;color:#7d8872;text-align:center}
@media(prefers-reduced-motion:reduce){.onboard-colour{transition:none}}

/* Account-free sync panel inside Save / restore. */
.sync-section{border:1px solid var(--line);border-radius:14px;padding:20px;margin:0 0 24px;background:hsl(var(--hue) 33% 96.3%)}.sync-section h3{margin:0 0 6px}.sync-section p{font-size:13px;line-height:1.7;margin:0 0 12px}
.sync-join{margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}.sync-join label{display:block;font-size:12px;margin-bottom:8px}.sync-join-row{display:flex;gap:8px;flex-wrap:wrap}.sync-join-row input{flex:1 1 220px;min-width:0;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font:600 14px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.06em;text-transform:uppercase}
.sync-code{font:700 19px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em;user-select:all;background:#fff;border:1px dashed hsl(var(--hue) 20% 75%);border-radius:10px;padding:12px 14px;word-break:break-all}.sync-warning{font-size:12px;color:#6e6a52}
.sync-status{min-height:1.4em;margin:12px 0 0!important;font-size:12px!important;color:#6c7b61}

/* Reply formatting shared by the chat page and Pip's help panel. */
.chat-code{margin:4px 0 16px;text-align:left;background:#0d1117;border:1px solid #21262d;border-radius:14px;overflow:hidden;animation:chat-in .28s ease-out both}
.chat-code figcaption{display:flex;align-items:center;justify-content:space-between;padding:8px 8px 8px 16px;background:#161b22;border-bottom:1px solid #21262d;font:600 11px/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.04em;color:#8b949e;text-transform:lowercase}
.chat-code button{border:0;border-radius:8px;background:transparent;color:#8b949e;font:600 11px/1 inherit;padding:7px 10px}.chat-code button:hover{background:#21262d;color:#e6edf3}.chat-code button:focus-visible{outline:2px solid #58a6ff}
.chat-code pre{margin:0;padding:14px 16px;overflow-x:auto;font:13px/1.65 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#e6edf3;tab-size:4}.chat-code pre:focus-visible{outline:2px solid #58a6ff;outline-offset:-2px}
.chat-code code{font:inherit;white-space:pre}
.tk-k{color:#ff7b72}.tk-s{color:#a5d6ff}.tk-n{color:#79c0ff}.tk-c{color:#8b949e;font-style:italic}.tk-f{color:#d2a8ff}
@media(prefers-reduced-motion:reduce){.chat-code{animation:none}}
.chat-inline{font:.88em ui-monospace,SFMono-Regular,Menlo,monospace;background:#0d1117;color:#e6edf3;border-radius:6px;padding:2px 6px}

/* Pip help panel */
.pip-help{position:fixed;right:20px;top:50%;transform:translateY(-50%);z-index:60;display:flex;flex-direction:column;width:min(390px,calc(100vw - 24px));max-height:min(580px,calc(100dvh - 40px));background:#fff;border:1px solid hsl(var(--hue) 20% 88%);border-radius:22px;box-shadow:0 18px 50px #1d3a2a2e,0 2px 8px #1d3a2a14;overflow:hidden;animation:pp-in .22s cubic-bezier(.22,.8,.25,1)}
.pip-help[hidden]{display:none}
.pp-head{display:flex;align-items:center;gap:10px;padding:10px 12px 8px 14px}
.pp-avatar{width:40px;height:40px;margin:-4px 0 -4px -6px;pointer-events:none}
.pp-title{flex:1;font-weight:700;font-size:14px;color:#24332b}
.pp-close{width:32px;height:32px;border:0;border-radius:50%;background:hsl(var(--hue) 20% 94%);color:#5f6f64;font-size:20px;line-height:1}.pp-close:hover{background:hsl(var(--hue) 20% 90%)}.pp-close:focus-visible{outline:2px solid var(--green)}
.pp-body{flex:1;min-height:70px;overflow-y:auto;overscroll-behavior:contain;padding:4px 18px 10px}
.pp-asked{margin:0 0 8px;font-size:12px;color:#8a978f}.pp-asked:empty{display:none}
.pp-reply{font-size:15px;line-height:1.65;color:#24332b;overflow-wrap:anywhere}
.pp-reply .chat-text{margin:0 0 12px}.pp-reply .chat-text:last-child{margin-bottom:0}
.pp-reply.error{color:#8a4b2a;font-size:14px}
.pp-reply.thinking:after{content:'';display:inline-block;width:.5em;height:.5em;border-radius:50%;background:hsl(var(--hue) 54% 53.7%);animation:chat-pulse 1s ease-in-out infinite}
.pp-reply .chat-code{margin:8px 0 12px}.pp-reply .chat-code pre{font-size:12.5px;padding:12px 14px}
.pp-chips{display:flex;flex-wrap:wrap;gap:7px;padding:2px 14px 10px}
.pp-chips button{border:1px solid hsl(var(--hue) 22% 84%);background:#fff;border-radius:999px;padding:7px 13px;font-size:12.5px;color:hsl(var(--hue) 35% 30%)}.pp-chips button:hover:not(:disabled){background:hsl(var(--hue) 33% 95%)}.pp-chips button:disabled{opacity:.5}.pp-chips button:focus-visible{outline:2px solid var(--green)}
.pp-bar{display:flex;align-items:center;gap:6px;margin:0 12px 12px;padding:5px 5px 5px 16px;border:1px solid hsl(var(--hue) 20% 86%);border-radius:999px;background:#fff}
.pp-bar:focus-within{border-color:hsl(var(--hue) 54% 53.7%);box-shadow:0 0 0 3px hsl(var(--hue) 54% 53.7% / .16)}
.pp-bar input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:15px;padding:8px 0;color:var(--ink)}
.pp-bar button{display:grid;place-items:center;flex:0 0 auto;width:34px;height:34px;border:0;border-radius:50%;background:var(--green);color:#fff}.pp-bar button svg{width:17px;height:17px}.pp-bar button:disabled{background:#d5ddd2}.pp-bar button:focus-visible{outline:2px solid var(--green);outline-offset:2px}
@keyframes pp-in{from{opacity:0;transform:translate(14px,-50%) scale(.98)}to{opacity:1;transform:translateY(-50%)}}
@media(max-width:640px){.pip-help{right:8px;left:8px;top:auto;bottom:8px;transform:none;width:auto;max-height:min(75dvh,560px);animation-name:pp-up}}@keyframes pp-up{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.pip-help{animation:none}}

/* A sentence that pops out next to Pip (alerts, nudges). */
.pip-say{position:absolute;right:calc(100% - 4px);top:4px;z-index:5;width:max-content;max-width:min(280px,calc(100vw - 130px));padding:12px 30px 12px 15px;background:#fff;border:1px solid hsl(var(--hue) 22% 83%);border-radius:18px 18px 4px 18px;box-shadow:0 10px 30px #1d3a2a26;font-size:13px;line-height:1.5;color:#24332b;text-align:left;opacity:0;transform:translateX(10px) scale(.95);transform-origin:right center;transition:opacity .22s,transform .26s cubic-bezier(.22,.8,.25,1)}
.pip-say[hidden]{display:none}.pip-say.shown{opacity:1;transform:none}
.pip-say:after{content:'';position:absolute;right:-6px;top:16px;width:10px;height:10px;background:#fff;border-top:1px solid hsl(var(--hue) 22% 83%);border-right:1px solid hsl(var(--hue) 22% 83%);transform:rotate(45deg)}
.pip-say p{margin:0}.pip-say-close{position:absolute;top:6px;right:6px;width:22px;height:22px;border:0;border-radius:50%;background:transparent;color:#8a978f;font-size:16px;line-height:1}.pip-say-close:hover{background:hsl(var(--hue) 20% 94%)}
.pip-say-actions{display:flex;gap:6px;margin-top:8px}.pip-say-actions:empty{display:none}.pip-say-actions button{border:0;border-radius:999px;background:var(--green);color:#fff;padding:6px 13px;font-size:12px;font-weight:650}.pip-say button:focus-visible{outline:2px solid var(--green);outline-offset:2px}
.pip-companion:has(.pip-say.shown) .pip-dock-label{display:none!important}
@media(prefers-reduced-motion:reduce){.pip-say{transition:none}}

/* Footer: legal link at the bottom left, creator credit on the right. */
.main .creator-credit{justify-content:space-between;gap:16px;padding-bottom:84px}
.footer-legal a{display:inline-flex;align-items:center;min-height:44px;padding:8px 4px;font-size:13px;font-weight:600;color:#5f6f64;text-decoration:none}.footer-legal a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px}

/* Progress panel: softer card, animated bar, per-chapter meters and status dots. */
.progress-panel{border:0;border-radius:24px;padding:26px;background:linear-gradient(180deg,#fff,hsl(var(--hue) 30% 98.5%));box-shadow:0 1px 2px #1d3a2a0d,0 12px 34px hsl(var(--hue) 33% 17% / .07);animation:panel-in .5s cubic-bezier(.22,.8,.25,1) both}
.progress-top{align-items:baseline}
.progress-top span{padding:4px 11px;border-radius:999px;background:hsl(var(--hue) 36% 94%);color:hsl(var(--hue) 40% 27%);font-size:12px;font-variant-numeric:tabular-nums}
.bar{position:relative;height:10px;overflow:hidden;background:hsl(var(--hue) 20% 94%);border-radius:999px}
.bar-fill{position:relative;min-width:0;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--lime),hsl(var(--hue) calc(58% * var(--sat)) calc(52% + var(--lift))));transition:width .9s cubic-bezier(.22,.8,.25,1)}
.bar-fill:not([style*="width: 0%"]):after{content:'';position:absolute;inset:0;background:linear-gradient(100deg,transparent 30%,#ffffff8c 50%,transparent 70%);transform:translateX(-100%);animation:bar-shine 3.2s ease-in-out 1s infinite}
.progress-count{color:#7b8480}
.evidence-group{border-top:0;margin:0 -10px;padding:0 10px;border-radius:14px;transition:background .2s}
.evidence-group:hover{background:hsl(var(--hue) 25% 97%)}
.evidence-group>summary{position:relative;list-style:none;align-items:center;padding:11px 0 14px}
.evidence-group>summary::-webkit-details-marker{display:none}
.evidence-group>summary:after{content:'';position:absolute;left:0;right:0;bottom:6px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--lime) var(--pct,0%),hsl(var(--hue) 20% 92%) var(--pct,0%));transition:background .6s}
.evidence-group.all-done>summary span{color:hsl(var(--hue) 40% 32%)}
.evidence-group[open]>.evidence-rows{animation:rows-in .35s ease both}
.evidence-rows li{padding:2px 0}
.foundation-list .evidence-rows li:before{content:'';position:static;flex:0 0 auto;width:7px;height:7px;border-radius:50%;margin-right:2px;align-self:center;background:hsl(var(--hue) 12% 86%);transition:background .3s,box-shadow .3s}
.foundation-list .evidence-rows li.started:before{background:hsl(var(--hue) 70% 72%)}
.foundation-list .evidence-rows li.complete:before{background:var(--accent,hsl(var(--hue) 54% 50%));box-shadow:0 0 0 3px hsl(var(--hue) 54% 50% / .18)}
.evidence-rows li>span{flex:1}
.evidence-rows li.complete>span{text-decoration:none;color:#7c857f}
.evidence-rows small{padding:2px 8px;border-radius:999px;background:hsl(var(--hue) 10% 95%);font-size:10px;color:#8b928e}
.evidence-rows li.started small{background:hsl(var(--hue) 55% 94%);color:hsl(var(--hue) 40% 32%)}
.evidence-rows li.complete small{background:hsl(var(--hue) 45% 91%);color:hsl(var(--hue) 45% 28%)}
@keyframes panel-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes rows-in{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
@keyframes bar-shine{0%,55%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
@media(prefers-reduced-motion:reduce){.progress-panel,.evidence-group[open]>.evidence-rows{animation:none}.bar-fill{transition:none}.bar-fill:after{animation:none!important}}