/* Brand palette sampled from adult-ai-code-class-flyer.pdf. */
:root{
  --navy:#071827;
  --navy-raised:#0b2438;
  --slate:#355064;
  --brand-cyan:#38d9f5;
  --brand-cyan-hover:#11afcb;
  --brand-lime:#ddfb70;
  --brand-lime-hover:#cceb57;
  --paper:#f5f5ef;
  --white:#ffffff;
  --cyan-soft:#e8fafd;
  --lime-soft:#f2f9dc;
  --link:#08768a;
  --bg:var(--paper);
  --ink:var(--navy);
  --text:#526777;
  --muted:#60727e;
  --border:#d7dee1;
  --font:'DM Sans',sans-serif;
  --heading:'Manrope',sans-serif;
}
*{box-sizing:border-box}body{margin:0;background:var(--bg);font-family:var(--font);color:var(--ink);font-size:14px;-webkit-font-smoothing:antialiased}button,input,textarea{font:inherit}button,a,input,textarea,summary{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button{border:0;background:none;color:inherit}a{color:inherit;text-decoration:none}button:disabled{cursor:not-allowed;opacity:.45}button:not(:disabled),a,summary{transition:background .18s,color .18s,box-shadow .18s,transform .18s}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--link);outline-offset:4px}input:focus,textarea:focus{outline:2px solid var(--link);outline-offset:2px}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:var(--heading)}.icon{width:20px;height:20px;flex-shrink:0;vertical-align:middle}.hidden,[hidden]{display:none!important}.skip-link{position:fixed;top:-50px;left:20px;background:var(--ink);color:white;padding:12px;z-index:100}.skip-link:focus{top:10px}.sidebar{width:242px;position:fixed;inset:0 auto 0 0;background:white;border-right:1px solid var(--border);display:flex;flex-direction:column;padding:35px 20px 0;z-index:40}.brand{font-family:var(--heading);font-size:27px;font-weight:800;letter-spacing:-1.5px;display:flex;align-items:center;padding:0 10px;white-space:nowrap}.brand-symbol{display:grid;place-items:center;background:var(--brand-cyan);color:var(--white);border-radius:10px;width:35px;height:35px;font-family:var(--font);font-size:19px;font-weight:650;letter-spacing:-2px;margin-right:9px}.brand-dot{color:var(--brand-cyan)}.workspace{display:flex;align-items:center;border:1px solid var(--border);border-radius:9px;padding:12px 10px;margin:36px 2px 29px;text-align:left;gap:10px;font-size:12px;font-weight:600}.workspace:hover{background:var(--bg)}.workspace-icon{display:grid;place-items:center;width:33px;height:33px;border-radius:7px;background:var(--cyan-soft);font-size:14px;color:var(--text)}.workspace small{display:block;font-size:10px;color:var(--muted);font-weight:400;margin-top:3px}.workspace-chevron{color:var(--muted);margin-left:auto}.nav-label{font-size:9px;color:var(--muted);letter-spacing:1.6px;font-weight:650;padding:0 14px;margin-bottom:13px}.sidebar nav{display:flex;flex-direction:column;gap:6px}.sidebar nav a{display:flex;align-items:center;gap:12px;padding:12px 14px;color:var(--text);font-size:12px;font-weight:500;border-radius:7px}.sidebar nav a.active{background:var(--cyan-soft);color:var(--link);font-weight:600}.sidebar nav a:hover{background:var(--paper)}.sidebar nav a.active:hover{background:var(--cyan-soft)}.sidebar nav .icon{width:18px;height:18px}.nav-count{font-size:10px;padding:2px 6px;border-radius:4px;background:var(--cyan-soft);color:var(--muted);margin-left:auto}.tiny-dot{width:5px;height:5px;background:var(--link);border-radius:50%;margin-left:auto}.sidebar-project{margin-top:35px}.sidebar-project>button{display:flex;align-items:center;text-align:left;gap:10px;width:100%;padding:9px 12px;font-size:12px;color:var(--text)}.project-mini{display:grid;place-items:center;width:28px;height:28px;background:var(--cyan-soft);border:1px solid var(--cyan-soft);border-radius:7px;color:var(--muted)}.project-mini .icon{width:15px;height:15px}.sidebar-project>button>span:nth-child(2){max-width:117px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-project>button>span:last-child{margin-left:auto}.sidebar-project>button>span:last-child .icon{width:14px;height:14px;color:var(--muted)}.sidebar-bottom{margin-top:auto;padding-top:35px}.small-callout{padding:19px 15px;background:var(--paper);border:1px solid var(--cyan-soft);border-radius:10px}.callout-spark{display:block;color:var(--link);margin-bottom:12px}.small-callout strong{font-size:11px;font-weight:650}.small-callout p{font-size:11px;color:var(--muted);line-height:1.85;margin-top:6px}.small-callout a{font-size:11px;font-weight:600;margin-top:15px;display:flex;align-items:center;justify-content:space-between;color:var(--link)}.small-callout a .icon{width:15px}.help-link{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--text);margin:17px 0 20px;padding:8px 6px;width:100%}.help-link .icon{width:16px}.help-link>span:last-child{margin-left:auto}.profile{width:calc(100% + 40px);margin-left:-20px;border-top:1px solid var(--border);padding:19px 22px;display:flex;align-items:center;text-align:left;gap:10px}.avatar{display:grid;place-items:center;width:35px;height:35px;background:var(--border);border:3px solid var(--cyan-soft);border-radius:50%;color:var(--slate);font-family:var(--heading);font-size:13px;font-weight:700;flex-shrink:0}.profile strong{font-size:11px;display:block;max-width:122px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile small{display:block;font-size:10px;color:var(--muted);margin-top:4px}.profile>span:last-child{margin-left:auto;color:var(--muted)}.profile .icon{width:14px}.app-shell{margin-left:242px}.topbar{height:83px;display:flex;align-items:center;justify-content:space-between;padding:0 42px;background:rgba(255,255,255,.9);border-bottom:1px solid var(--border)}.breadcrumb{display:flex;align-items:center;gap:14px;font-size:11px;color:var(--muted)}.breadcrumb-divider{color:var(--muted)}.breadcrumb strong{font-weight:500;color:var(--slate)}.topbar-actions{display:flex;align-items:center;gap:21px}.search-trigger{display:flex;align-items:center;gap:9px;font-size:11px;color:var(--muted)}.search-trigger .icon{width:16px;height:16px}.search-trigger kbd{font-family:var(--font);font-size:9px;margin-left:25px;padding:3px 5px;border:1px solid var(--cyan-soft);border-radius:4px;background:var(--paper)}.topbar-divider{height:22px;width:1px;background:var(--border)}.icon-button{width:32px;height:32px;display:grid;place-items:center;border-radius:7px;color:var(--muted)}.icon-button:hover{background:var(--cyan-soft);color:var(--ink)}.icon-button .icon{width:18px;height:18px}.avatar-small{width:32px;height:32px;font-size:11px}.mobile-menu{display:none}main{padding:35px 42px 28px;max-width:1530px;margin:0 auto}.page-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;gap:20px}.eyebrow{font-size:9px;letter-spacing:1.65px;font-weight:650;color:var(--muted);line-height:1.6}.page-heading h1{font-size:29px;letter-spacing:-1.1px;font-weight:750;line-height:1.5;margin-top:7px}.wave{color:var(--link);display:inline-block;font-size:29px;vertical-align:middle;margin-left:6px}.page-heading p{color:var(--text);font-size:12px;margin-top:4px;line-height:1.7}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:7px;font-size:11px;font-weight:600;padding:12px 17px;min-height:40px;white-space:nowrap}.button .icon{width:16px;height:16px}.button.primary{background:var(--brand-cyan);color:var(--white);border:1px solid var(--brand-cyan);box-shadow:0 3px 7px rgba(7,24,39,0.078)}.button.primary:hover:not(:disabled){background:var(--brand-cyan-hover);border-color:var(--brand-cyan-hover);transform:translateY(-1px)}.button.secondary{background:var(--white);border:1px solid var(--border);color:var(--slate);box-shadow:0 2px 2px rgba(7,24,39,0.008)}.button.secondary:hover:not(:disabled){background:var(--paper)}.page-heading>.button{margin-top:20px}.button.small{min-height:34px;padding:8px 11px;font-size:10px}.full-width{width:100%}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:26px}.main-column,.right-column{min-width:0}.hero{position:relative;overflow:hidden;min-height:323px;border:1px solid var(--border);border-radius:13px;background:linear-gradient(108deg,var(--paper) 0%,var(--cyan-soft) 60%,var(--border) 100%);display:flex;isolation:isolate}.hero-content{padding:31px 29px;position:relative;z-index:2;flex:1}.hero-kicker{display:inline-flex;align-items:center;gap:6px;background:var(--paper);border:1px solid var(--border);border-radius:5px;font-size:7px;color:var(--text);letter-spacing:1.25px;font-weight:600;padding:6px 8px}.green-dot{width:5px;height:5px;border-radius:50%;background:var(--text)}.hero h2{font-size:35px;line-height:1.24;letter-spacing:-1.5px;margin:16px 0 12px;font-weight:800;position:relative;white-space:nowrap}.hero h2>span{color:var(--link);position:relative}.hero h2>span:after{content:'';position:absolute;bottom:-5px;left:0;width:100%;height:6px;border-top:2px solid var(--link);border-radius:50%;transform:rotate(-4deg)}.hero-content>p{font-size:11px;line-height:1.9;color:var(--text);white-space:nowrap}.hero .button{margin-top:20px;min-width:169px;padding:11px 16px;min-height:38px;font-size:10px}.hero .button .icon{width:14px;margin-left:8px}.hero-meta{display:flex;gap:9px;align-items:center;margin-top:15px;font-size:8px;color:var(--text)}.hero-meta>span:first-child{display:flex;align-items:center;gap:5px}.hero-meta .icon{width:12px;height:12px}.meta-dot{color:var(--muted)}.hero-art{position:absolute;width:330px;height:100%;right:-1px;top:0;z-index:1}.art-orbit{position:absolute;border:1px solid var(--border);border-radius:50%;width:280px;height:280px;right:-22px;top:19px}.orbit-two{width:352px;height:352px;right:-58px;top:-17px;border-style:dashed;opacity:.55}.art-spark{position:absolute;color:var(--muted);font-size:24px}.spark-one{right:25px;top:29px}.spark-two{left:0;bottom:45px;font-size:14px}.editor-illustration{position:absolute;left:4px;top:78px;width:277px;height:204px;transform:rotate(-6deg);border-radius:9px;background:var(--navy);box-shadow:0 17px 35px rgba(7,24,39,0.149);border:1px solid var(--slate);overflow:hidden}.editor-bar{height:28px;display:flex;align-items:center;gap:4px;padding:0 10px;background:var(--navy);border-bottom:1px solid var(--slate)}.editor-bar i{width:5px;height:5px;border-radius:50%;background:var(--link)}.editor-bar i:nth-child(2){background:var(--link)}.editor-bar i:nth-child(3){background:var(--muted)}.editor-bar>span{color:var(--text);font-family:monospace;font-size:6px;margin-left:15px;letter-spacing:.1px}.editor-body{display:flex;font-size:8px;line-height:16px;font-family:monospace;padding:12px 10px}.line-numbers{color:var(--slate);padding-right:13px;text-align:right;font-size:7px}.art-code{color:var(--muted)}.code-muted{color:var(--text)}.code-purple{color:var(--muted)}.code-blue{color:var(--muted)}.code-green{color:var(--muted)}.code-peach{color:var(--muted)}.editor-status{display:flex;justify-content:space-between;font-size:5px;color:var(--text);background:var(--navy);padding:4px 8px;position:absolute;bottom:0;left:0;right:0}.editor-status>span:first-child{color:var(--muted)}.phone-illustration{position:absolute;top:68px;right:24px;width:116px;height:226px;border:4px solid var(--navy);border-radius:21px;background:var(--white);box-shadow:0 14px 25px rgba(7,24,39,0.231);transform:rotate(9deg)}.phone-island{width:37px;height:8px;position:absolute;top:3px;left:calc(50% - 18px);border-radius:0 0 7px 7px;background:var(--navy);z-index:2}.phone-screen{overflow:hidden;border-radius:16px;padding:8px 7px;height:100%}.phone-top{font-size:5px;display:flex;justify-content:space-between;font-weight:700;color:var(--slate)}.phone-logo{font-size:10px;font-weight:800;letter-spacing:-.6px;margin:15px 0 10px;position:relative}.phone-logo>span{color:var(--text)}.phone-logo>b{position:absolute;right:1px;color:var(--link);font-size:15px;top:-2px}.phone-image{height:107px;border-radius:5px;position:relative;overflow:hidden;background:var(--muted)}.sun{position:absolute;width:26px;height:26px;background:var(--border);border-radius:50%;left:17px;top:18px}.mountain{position:absolute;width:130px;height:90px;border-radius:40%;transform:rotate(-27deg);top:61px;left:-20px;background:var(--muted)}.mountain-front{background:var(--text);top:83px;left:1px;transform:rotate(30deg)}.image-caption{position:absolute;z-index:1;font-family:Georgia,serif;font-size:13px;color:var(--white);line-height:1.05;bottom:13px;left:11px}.phone-interactions{font-size:13px;margin-top:6px;display:flex;gap:5px;color:var(--text)}.phone-interactions b{font-weight:400;margin-left:auto;font-size:11px}.phone-text-line{width:76%;height:3px;background:var(--border);border-radius:2px;margin-top:5px}.phone-text-line.short{width:49%;height:2px;margin-top:3px}.phone-nav{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:13px;margin-top:10px}.phone-nav b{background:var(--link);color:white;border-radius:4px;font-weight:500;width:15px;text-align:center}.phone-nav i{height:10px;width:10px;border-radius:50%;background:var(--muted)}.float-badge{position:absolute;background:var(--paper);border:1px solid var(--white);border-radius:8px;box-shadow:0 5px 15px rgba(7,24,39,0.075);z-index:3}.built-badge{top:35px;left:27px;padding:9px 11px;font-size:7px;color:var(--text);transform:rotate(-5deg)}.built-badge>span{font-size:12px;color:var(--link);margin-right:4px}.live-badge{bottom:18px;left:50px;display:flex;align-items:center;gap:7px;padding:9px 12px;transform:rotate(-2deg);font-size:8px;font-weight:600;color:var(--slate)}.live-badge small{display:block;font-size:6px;font-weight:400;color:var(--text);margin-top:3px}.live-check{width:23px;height:23px;border-radius:50%;background:var(--cyan-soft);color:var(--text);display:grid;place-items:center}.live-check .icon{width:12px;height:12px}.course-stats{display:flex;justify-content:space-between;gap:12px;padding:25px 0 29px;border-bottom:1px solid var(--cyan-soft);margin-bottom:28px}.course-stats>div{display:flex;align-items:center;gap:10px}.stat-icon{display:grid;place-items:center;width:35px;height:35px;border-radius:9px;flex-shrink:0}.stat-icon .icon{width:17px;height:17px}.orange{background:var(--cyan-soft);color:var(--link)}.purple{background:var(--cyan-soft);color:var(--muted)}.green{background:var(--cyan-soft);color:var(--text)}.blue{background:var(--cyan-soft);color:var(--link)}.course-stats strong{display:block;font-size:10px;font-weight:600}.course-stats small{display:block;font-size:8px;color:var(--muted);margin-top:5px}.section-title{display:flex;align-items:center;justify-content:space-between;gap:8px}.section-title h2{font-family:var(--font);font-size:13px;font-weight:650;letter-spacing:-.15px}.section-title>.icon{color:var(--muted);width:17px}.curriculum-title h2{font-size:17px;font-family:var(--heading);letter-spacing:-.5px}.count-tag{display:inline-block;font-family:var(--font);font-size:8px;letter-spacing:0;background:var(--cyan-soft);color:var(--muted);border-radius:4px;font-weight:500;padding:4px 6px;margin-left:7px;vertical-align:middle}.curriculum-title p{font-size:10px;color:var(--muted);margin-top:7px}.text-link{display:inline-flex;gap:6px;align-items:center;font-size:10px;color:var(--text);white-space:nowrap;padding:3px 0}.text-link:hover{color:var(--brand-cyan)}.text-link .icon{width:13px;height:13px}.filter-tabs{display:flex;align-items:center;gap:19px;margin-top:22px;border-bottom:1px solid var(--cyan-soft);padding:0 0 0 1px;margin-bottom:16px}.filter-tabs>button{position:relative;font-size:10px;color:var(--muted);padding:0 0 11px}.filter-tabs>button.active{color:var(--link);font-weight:600}.filter-tabs>button.active:after{position:absolute;content:'';height:2px;background:var(--link);bottom:-1px;left:0;right:0}.filter-tabs>button>span{font-size:8px;padding:1px 5px;background:var(--cyan-soft);border-radius:4px;color:var(--link);margin-left:4px}.curriculum-estimate{font-size:8px;color:var(--muted);margin-left:auto;padding-bottom:11px;display:flex;gap:4px;align-items:center}.curriculum-estimate .icon{width:12px;height:12px}.module-list{display:flex;flex-direction:column;gap:10px}.module-card{border:1px solid var(--cyan-soft);border-radius:9px;background:var(--white);overflow:hidden}.module-card summary{display:flex;align-items:center;gap:16px;padding:19px;cursor:pointer;list-style:none}.module-card summary::-webkit-details-marker{display:none}.module-card summary:hover{background:var(--paper)}.module-icon{width:46px;height:46px;border-radius:11px;display:grid;place-items:center;flex-shrink:0}.module-icon .icon{width:23px;height:23px}.module-info{display:flex;flex-direction:column;min-width:0}.module-overline{font-size:7px;font-weight:600;letter-spacing:1.1px;color:var(--muted);margin-bottom:5px;display:flex;gap:12px}.complete-label{color:var(--text)}.module-info>strong{font-size:12px;font-weight:650;letter-spacing:-.1px}.module-description{font-size:10px;margin-top:4px;color:var(--muted)}.module-meta{display:flex;gap:7px;margin-top:8px;font-size:8px;color:var(--muted)}.module-meta i{font-style:normal;color:var(--muted)}.module-end{display:flex;align-items:center;gap:16px;margin-left:auto}.module-progress{font-size:9px;color:var(--muted);font-variant-numeric:tabular-nums}.module-chevron{width:24px;height:24px;border:1px solid var(--cyan-soft);background:var(--paper);border-radius:50%;display:grid;place-items:center;color:var(--muted)}.module-chevron .icon{height:12px;width:12px;transition:transform .2s}.module-card[open] .module-chevron .icon{transform:rotate(90deg)}.lesson-list{border-top:1px solid var(--border);margin:0 19px}.lesson-row{display:flex;align-items:center;width:100%;gap:12px;padding:13px 0;text-align:left;border-bottom:1px solid var(--cyan-soft);font-size:11px}.lesson-row:last-child{border-bottom:0}.lesson-row:hover{color:var(--brand-cyan)}.lesson-status{height:25px;width:25px;display:grid;place-items:center;border:1px solid var(--border);border-radius:50%;font-size:8px;color:var(--muted);flex-shrink:0}.lesson-status.finished{background:var(--cyan-soft);color:var(--text);border-color:var(--border)}.lesson-status .icon{width:13px;height:13px}.lesson-row small{display:block;font-size:9px;color:var(--muted);margin-top:4px}.lesson-time{margin-left:auto;color:var(--muted);font-size:9px;white-space:nowrap}.lesson-row>.icon{width:13px;height:13px;color:var(--muted)}.bottom-banner{display:flex;align-items:center;gap:12px;padding:21px 0 4px}.banner-icon{width:30px;height:30px;display:grid;place-items:center;color:var(--text);background:var(--cyan-soft);border-radius:7px;flex-shrink:0}.banner-icon .icon{width:17px;height:17px}.bottom-banner strong{font-size:10px;font-weight:500;color:var(--text)}.bottom-banner p{font-size:9px;color:var(--muted);margin-top:4px}.bottom-banner>a{display:flex;align-items:center;margin-left:auto;gap:6px;font-size:9px;color:var(--text);white-space:nowrap}.bottom-banner>a .icon{width:12px;height:12px}.card{background:var(--white);border:1px solid var(--cyan-soft);border-radius:11px}.progress-card{padding:23px 20px 19px}.progress-card .section-title h2{font-size:12px}.small-tag{background:var(--cyan-soft);color:var(--text);font-size:7px;padding:4px 6px;border-radius:4px;white-space:nowrap}.progress-ring{width:142px;height:142px;border-radius:50%;background:conic-gradient(var(--brand-cyan) var(--progress),var(--paper) 0);margin:22px auto 16px;display:grid;place-items:center;transform:rotate(-90deg)}.progress-ring>div{border-radius:50%;width:124px;height:124px;background:var(--white);display:flex;align-items:center;justify-content:center;flex-direction:column;transform:rotate(90deg);box-shadow:0 0 0 4px white}.progress-ring strong{font-family:var(--heading);font-weight:750;letter-spacing:-1px;font-size:35px;line-height:1.3}.progress-ring strong>span{font-size:22px;font-weight:500;color:var(--text);letter-spacing:0;margin-left:1px}.progress-ring small{font-size:9px;color:var(--muted);margin-top:2px}.progress-caption{text-align:center;font-size:10px;color:var(--muted)}.progress-caption strong{color:var(--text);font-weight:600}.mini-milestones{display:flex;align-items:center;justify-content:center;margin:20px 4px 16px}.mini-milestone{display:grid;place-items:center;width:28px;height:28px;border:1px solid var(--cyan-soft);background:var(--paper);border-radius:50%;color:var(--muted)}.mini-milestone.done{color:var(--text);background:var(--cyan-soft);border-color:var(--border)}.mini-milestone .icon{width:13px;height:13px}.mini-milestones>span{height:1px;width:28px;background:var(--cyan-soft);margin:0 4px}.progress-message{border-top:1px solid var(--cyan-soft);padding-top:16px;text-align:center;font-size:10px;color:var(--muted);line-height:1.9}.progress-card .button{margin-top:15px}.toolkit{padding:21px 20px 9px;margin-top:20px}.toolkit>p{font-size:9px;color:var(--muted);margin:8px 0 9px}.tool-row{display:flex;align-items:center;gap:10px;padding:14px 0;border-bottom:1px solid var(--cyan-soft)}.tool-row:last-child{border-bottom:0}.tool-logo{width:31px;height:31px;border-radius:8px;display:grid;place-items:center;flex-shrink:0}.cursor-logo{background:var(--paper);font-size:28px;color:var(--navy);line-height:1;transform:none}.expo-logo{background:var(--cyan-soft);font-size:29px;font-family:Arial,sans-serif;font-weight:700;line-height:1;color:var(--slate)}.firebase-logo{background:var(--cyan-soft);color:var(--link)}.firebase-logo .icon{fill:var(--link);stroke-width:1;width:23px;height:23px}.github-logo{background:var(--cyan-soft);color:var(--slate)}.github-logo .icon{width:21px;height:21px}.tool-row strong{font-size:11px;display:block;font-weight:600}.tool-row small{font-size:8px;color:var(--muted);display:block;margin-top:4px}.tool-row>.icon{margin-left:auto;width:14px;height:14px;color:var(--muted)}.tool-row:hover strong{color:var(--brand-cyan)}.tip-card{margin-top:20px;background:var(--cyan-soft);border:1px solid var(--border);border-radius:10px;padding:20px}.tip-label{display:flex;align-items:center;gap:6px;font-size:7px;color:var(--muted);letter-spacing:1.2px}.tip-label .icon{width:13px;height:13px}.tip-card blockquote{margin:14px 0 12px;font-family:var(--heading);font-size:13px;line-height:1.8;letter-spacing:-.2px;font-weight:500;color:var(--text)}.tip-card>p{font-size:8px;color:var(--muted)}.worksheet-link{display:flex;align-items:center;gap:7px;font-size:9px;color:var(--muted);padding:17px 5px}.worksheet-link .icon{width:13px;height:13px}.worksheet-link .icon:last-child{margin-left:auto;width:12px}.worksheet-link:hover{color:var(--brand-cyan)}.site-footer{max-width:1530px;margin:0 auto;padding:19px 42px 23px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);font-size:8px;color:var(--muted)}.site-footer>span:last-child{display:flex;align-items:center;gap:15px}.footer-mark{font-size:14px;color:var(--link);letter-spacing:-2px;font-weight:500}
/* Classroom and personal workspace */
.classroom-layout{display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:26px}.classroom-layout .curriculum-section{padding-top:8px}.classroom-note{display:flex;gap:10px;margin:20px 5px;color:var(--muted);font-size:11px;line-height:1.8}.classroom-note .icon{width:17px;color:var(--muted);flex-shrink:0}.classroom-layout .module-card summary{padding:24px}.classroom-layout .module-info>strong{font-size:14px}.classroom-layout .module-description{font-size:11px}.classroom-layout .module-overline{font-size:8px}.classroom-layout .module-meta{font-size:10px}.content-search{display:flex;align-items:center;gap:10px;border:1px solid var(--cyan-soft);background:white;border-radius:8px;padding:12px 15px;max-width:460px;margin-bottom:24px;color:var(--muted)}.content-search input{border:0;background:transparent;outline:0;width:100%;font-size:12px;color:var(--ink)}.content-search input::placeholder{color:var(--muted)}.content-search:focus-within{border-color:var(--link);box-shadow:0 0 0 3px rgba(7,24,39,0.102)}.content-search .icon{width:17px;height:17px}.prompt-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.prompt-card{padding:24px;display:flex;flex-direction:column;min-width:0}.prompt-card .eyebrow{display:flex;align-items:center;justify-content:space-between;font-size:8px}.tag{font-size:7px;letter-spacing:1px;background:var(--cyan-soft);color:var(--text);padding:4px 6px;border-radius:4px}.prompt-card h2{font-size:18px;letter-spacing:-.5px;margin:12px 0 8px}.prompt-card>p{font-size:12px;line-height:1.9;color:var(--text)}.prompt-card pre{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--paper);border:1px solid var(--cyan-soft);padding:16px;border-radius:7px;font-size:10px;font-family:monospace;line-height:1.8;color:var(--text);margin:18px 0;max-height:165px;overflow:auto}.prompt-card-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto}.empty-state{text-align:center;padding:45px 20px;background:var(--white);border:1px dashed var(--border);border-radius:10px;width:100%;color:var(--text)}.empty-state>.icon{width:30px;height:30px;color:var(--muted);margin-bottom:12px}.empty-state h3{font-size:17px;color:var(--text)}.empty-state p{font-size:12px;margin:10px 0 15px;line-height:1.8}.notes-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:25px}.project-notes{align-self:start;overflow:hidden}.project-notes .section-title{padding:22px;border-bottom:1px solid var(--border)}.project-notes .section-title h2{display:flex;align-items:center;gap:8px}.project-notes .section-title h2 .icon{width:17px;color:var(--muted)}.autosave-label{font-size:9px;color:var(--muted)}.project-notes textarea{width:100%;min-height:440px;resize:vertical;border:0;background:var(--white);padding:25px;font-size:13px;line-height:2;color:var(--text);display:block}.project-notes textarea::placeholder{color:var(--muted)}.notes-footer{padding:15px 22px;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:10px;font-size:9px;color:var(--muted)}.lesson-notes{padding:23px}.lesson-notes h2{font-size:16px;margin-bottom:8px}.lesson-notes>p{font-size:11px;color:var(--muted);line-height:1.8;margin-bottom:15px}.note-lesson{display:flex;align-items:center;gap:11px;width:100%;text-align:left;border-bottom:1px solid var(--cyan-soft);padding:13px 0;font-size:10px}.note-lesson:hover{color:var(--brand-cyan)}.note-lesson>span:first-child{color:var(--muted);font-size:9px}.note-lesson>.icon{margin-left:auto;width:12px;height:12px;color:var(--muted)}.note-lesson small{font-size:8px;display:block;color:var(--muted);margin-top:4px}.note-lesson:last-child{border-bottom:0}.resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.resource-grid .toolkit{margin:0;align-self:start;padding:25px}.resource-grid .tool-row{padding:20px 0}.resource-feature{padding:28px;background:var(--paper);display:flex;flex-direction:column;align-items:flex-start}.resource-art{display:grid;place-items:center;width:58px;height:67px;border-radius:10px;margin-bottom:25px;transform:rotate(-6deg)}.resource-art .icon{width:28px;height:28px}.resource-feature h2{font-size:25px;line-height:1.5;letter-spacing:-1px;margin:10px 0 13px}.resource-feature p{font-size:12px;color:var(--text);line-height:1.9;margin-bottom:28px}.resource-feature .button{margin-top:auto}.docs-card{padding:25px;align-self:start}.docs-card>h2{font-size:16px;margin-bottom:13px}.doc-link{display:flex;align-items:center;gap:10px;padding:18px 0;border-bottom:1px solid var(--border)}.doc-link:last-child{border:0}.doc-link strong{font-size:11px;font-weight:600}.doc-link small{display:block;font-size:9px;line-height:1.8;color:var(--muted);margin-top:5px}.doc-link>.icon{margin-left:auto;width:14px;height:14px;color:var(--muted)}.doc-link:hover{color:var(--brand-cyan)}
/* Lesson reader and dialogs */
dialog{width:min(550px,calc(100vw - 32px));max-height:calc(100dvh - 64px);padding:0;border:1px solid var(--border);border-radius:15px;box-shadow:0 30px 100px rgba(7,24,39,0.188);color:var(--ink);overscroll-behavior:contain}dialog::backdrop{background:rgba(7,24,39,0.439);backdrop-filter:blur(5px)}body:has(dialog[open]){overflow:hidden}.modal-top{display:flex;align-items:center;justify-content:space-between;padding:17px 25px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--paper);z-index:4}.modal-brand{display:flex;align-items:center;gap:7px;color:var(--brand-cyan);font-weight:700;font-size:17px}.modal-brand>span{font-family:var(--heading);color:var(--slate);letter-spacing:-.5px;font-size:15px}.form-modal{padding:32px}.form-modal h1{font-size:28px;letter-spacing:-1.1px;line-height:1.4;margin:9px 0 13px}.form-modal>p{font-size:12px;color:var(--text);line-height:1.9;margin-bottom:23px}.form-modal>label{display:block;font-size:11px;font-weight:600;margin:20px 0;color:var(--text)}.form-modal input,.form-modal textarea{border:1px solid var(--border);background:var(--paper);border-radius:7px;width:100%;display:block;padding:13px;font-size:12px;font-weight:400;color:var(--text);margin-top:9px}.form-modal textarea{min-height:120px;resize:vertical;line-height:1.8}.form-modal input::placeholder,.form-modal textarea::placeholder{color:var(--muted)}.project-summary{display:flex;gap:12px;align-items:center;padding:16px;background:var(--paper);border-radius:8px;font-size:11px;color:var(--text);margin:22px 0;line-height:1.8}.project-summary small{font-size:9px;color:var(--muted)}.form-modal .form-footnote{font-size:10px;color:var(--muted)}.help-modal h2{font-size:15px;margin:24px 0 10px}.help-modal ol{padding-left:20px;font-size:12px;line-height:1.9;color:var(--text)}.help-modal li{padding:5px 0 5px 3px}.lesson-modal{width:min(820px,calc(100vw - 32px))}.lesson-heading{padding:32px 40px 28px;background:linear-gradient(110deg,var(--paper),var(--paper));border-bottom:1px solid var(--border)}.lesson-heading .eyebrow{color:var(--muted);font-size:8px}.lesson-heading-meta{display:flex;justify-content:space-between;align-items:center;font-size:8px;letter-spacing:1px;color:var(--muted);margin-top:24px}.lesson-heading-meta>span:last-child{display:flex;align-items:center;gap:5px;letter-spacing:0;font-size:10px}.lesson-heading-meta .icon{width:13px;height:13px}.lesson-heading h1{font-size:32px;letter-spacing:-1px;margin:10px 0 13px}.lesson-heading>p{font-size:13px;line-height:1.9;color:var(--text);max-width:610px}.lesson-body{padding:30px 40px}.lesson-step{display:flex;gap:15px;margin-bottom:24px}.lesson-step>span{width:28px;height:28px;border:1px solid var(--border);border-radius:50%;background:var(--paper);display:grid;place-items:center;font-size:11px;color:var(--muted);flex-shrink:0}.lesson-step h2{font-size:14px;margin:3px 0 8px;font-family:var(--font);font-weight:600}.lesson-step p{font-size:12px;color:var(--text);line-height:1.95}.lesson-code{border:1px solid var(--cyan-soft);border-radius:8px;overflow:hidden;margin:28px 0;background:var(--paper)}.lesson-code>div{display:flex;align-items:center;gap:7px;padding:12px 15px;border-bottom:1px solid var(--cyan-soft);font-size:8px;letter-spacing:1px;color:var(--muted)}.lesson-code>div>.icon{width:14px;height:14px;color:var(--muted)}.lesson-code button{display:flex;gap:6px;align-items:center;margin-left:auto;color:var(--text);font-size:10px;letter-spacing:0}.lesson-code button .icon{width:13px;height:13px}.lesson-code pre{white-space:pre-wrap;overflow-wrap:anywhere;font:11px/1.9 monospace;padding:18px;margin:0;color:var(--text)}.terminal-code{background:var(--navy);border-color:var(--slate)}.terminal-code>div{border-color:var(--slate);color:var(--muted)}.terminal-code pre{color:var(--muted)}.terminal-code button{color:var(--muted)}.lesson-tip{display:flex;align-items:flex-start;gap:12px;padding:18px;background:var(--cyan-soft);border:1px solid var(--border);border-radius:8px;margin:26px 0}.lesson-tip>.icon{color:var(--muted);width:18px;height:18px;flex-shrink:0;margin-top:2px}.lesson-tip p{font-size:11px;color:var(--text);line-height:1.9}.lesson-tip strong{display:block;font-weight:600;color:var(--text);margin-bottom:4px}.lesson-checklist{padding:23px;border:1px solid var(--border);border-radius:10px;background:var(--paper);margin-top:30px}.lesson-checklist h2{font-size:14px}.lesson-checklist .section-title>span{font-size:10px;color:var(--muted)}.lesson-checklist>p{font-size:10px;color:var(--muted);margin:9px 0 17px}.lesson-checklist label{display:flex;align-items:center;gap:10px;padding:10px 0;font-size:11px;color:var(--text);cursor:pointer;line-height:1.7}.lesson-checklist input{accent-color:var(--link);width:16px;height:16px;flex-shrink:0}.lesson-note-section{margin-top:28px}.lesson-note-section>label{display:flex;align-items:center;gap:7px;font-size:11px;color:var(--text);font-weight:500;margin-bottom:12px}.lesson-note-section>label>.icon{width:16px;height:16px}.lesson-note-section>label>span{margin-left:auto;font-size:8px;font-weight:400;color:var(--muted)}.lesson-note-section textarea{display:block;width:100%;border:1px solid var(--cyan-soft);background:var(--paper);border-radius:8px;padding:15px;color:var(--text);font-size:11px;line-height:1.8;min-height:100px;resize:vertical}.lesson-note-section textarea::placeholder{color:var(--muted)}.lesson-links{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:22px}.lesson-links a{font-size:10px;color:var(--text);display:flex;align-items:center;gap:4px}.lesson-links a:hover{color:var(--brand-cyan)}.lesson-links .icon{height:11px;width:11px}.lesson-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:18px 24px;background:var(--paper);border-top:1px solid var(--border);position:sticky;bottom:0;z-index:3}.lesson-bottom>span{font-size:9px;color:var(--muted);text-align:center;line-height:1.5}.search-modal{width:min(610px,calc(100vw - 32px))}.search-modal-body{padding:25px}.search-modal-body h1{font-size:23px;letter-spacing:-.8px;margin:0 0 20px}.search-modal-body .content-search{max-width:none;margin-bottom:14px}.search-result{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:13px 7px;border-bottom:1px solid var(--border)}.search-result:hover{background:var(--paper);border-radius:6px}.search-result-icon{width:30px;height:30px;display:grid;place-items:center;border-radius:8px;background:var(--cyan-soft);color:var(--muted)}.search-result-icon>.icon{width:15px;height:15px}.search-result strong{font-size:11px;font-weight:500;color:var(--text)}.search-result small{font-size:9px;color:var(--muted);display:block;margin-top:4px}.search-result>.icon{width:13px;height:13px;margin-left:auto;color:var(--muted)}.search-footnote{font-size:9px;color:var(--muted);text-align:center;margin-top:20px}.certificate-modal{width:min(660px,calc(100vw - 32px))}.certificate{padding:45px 30px;text-align:center;background:var(--paper);border:8px double var(--border);margin:16px}.certificate-seal{display:grid;place-items:center;width:70px;height:70px;border-radius:50%;background:var(--border);color:var(--link);margin:0 auto 25px}.certificate-seal .icon{width:32px;height:32px}.certificate .eyebrow{font-size:7px;color:var(--muted)}.certificate h1{font-size:30px;letter-spacing:-1.2px;margin:20px 0}.certificate p{font-size:11px;color:var(--text);line-height:1.9}.certificate h2{font-size:22px;letter-spacing:-.5px;color:var(--text);margin:10px 0 15px}.certificate-project{font-family:var(--heading);display:block;font-size:15px;color:var(--text);margin:15px 0;overflow-wrap:anywhere}.certificate .certificate-date{font-size:9px;margin:15px 0 25px}.certificate>small{display:block;font-size:8px;color:var(--muted);margin-top:18px}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);padding:13px 22px;border-radius:8px;background:var(--navy);color:var(--white);font-size:12px;box-shadow:0 5px 25px rgba(7,24,39,0.145);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:100;max-width:calc(100vw - 40px);text-align:center}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(min-width:1550px){.hero{min-height:345px}.hero-content{padding:37px}.hero h2{font-size:41px}.hero-art{right:18px;width:390px}.editor-illustration{left:16px;top:84px;width:300px;height:218px}.editor-body{font-size:9px;line-height:18px}.phone-illustration{right:23px;top:72px;transform:scale(1.1) rotate(9deg)}.built-badge{left:30px;top:40px}.live-badge{left:90px;bottom:21px}.hero-content>p{font-size:12px}.hero .button{margin-top:24px}.hero-meta{font-size:9px}.course-stats strong{font-size:12px}.course-stats small{font-size:10px}.stat-icon{width:40px;height:40px}.module-card summary{padding:22px}.module-info>strong{font-size:14px}.module-description{font-size:11px}.module-meta{font-size:9px}.module-overline{font-size:8px}}
@media(min-width:1280px) and (max-width:1390px){.sidebar{width:224px;padding-left:16px;padding-right:16px}.app-shell{margin-left:224px}.profile{width:calc(100% + 32px);margin-left:-16px;padding-left:18px;padding-right:18px}.topbar{padding:0 32px}main{padding:30px 32px}.dashboard-grid,.classroom-layout{grid-template-columns:minmax(0,1fr) 275px;gap:23px}.hero-content{padding:29px 23px}.hero h2{font-size:32px}.hero-art{right:12px;transform:scale(.93);transform-origin:right center}.hero-content>p{font-size:10px}.hero-meta{font-size:7px;gap:7px}.course-stats{gap:8px}.course-stats>div{gap:7px}.course-stats strong{font-size:9px}.course-stats small{font-size:7px}.site-footer{padding-left:32px;padding-right:32px}}
@media(min-width:1100px) and (max-width:1279px){.sidebar{width:208px;padding:28px 14px 0}.brand{font-size:25px;padding:0 7px}.brand-symbol{width:31px;height:31px;font-size:17px}.app-shell{margin-left:208px}.profile{width:calc(100% + 28px);margin-left:-14px;padding:17px 14px}.topbar{padding:0 27px}main{padding:28px 27px}.dashboard-grid,.classroom-layout{grid-template-columns:minmax(0,1fr) 250px;gap:20px}.hero{min-height:316px}.hero-content{padding:25px 20px}.hero h2{font-size:28px;letter-spacing:-1px;margin-top:20px}.hero-content>p{font-size:9px}.hero-art{right:10px;transform:scale(.75);transform-origin:right center}.hero .button{font-size:9px;min-width:150px;margin-top:24px}.hero-meta{font-size:7px;gap:5px}.hero-kicker{font-size:6px}.course-stats{flex-wrap:wrap;gap:15px}.course-stats>div{gap:7px}.course-stats strong{font-size:9px}.course-stats small{font-size:7px}.stat-icon{width:28px;height:28px}.curriculum-title h2{font-size:14px}.curriculum-title p{font-size:9px}.module-card summary{padding:16px;gap:12px}.module-icon{width:39px;height:39px}.module-description{font-size:9px}.module-end{gap:9px}.bottom-banner>a{font-size:8px}.bottom-banner strong{font-size:9px}.bottom-banner p{font-size:8px}.bottom-banner{gap:8px}.progress-card{padding:20px 16px}.progress-card .section-title h2{font-size:11px}.small-tag{font-size:6px}.toolkit{padding:20px 16px 8px}.tip-card{padding:17px}.site-footer{padding-left:27px;padding-right:27px}.notes-layout{grid-template-columns:minmax(0,1fr) 285px}.resource-grid{grid-template-columns:1fr 1fr}.resource-grid .docs-card{grid-column:1/-1}.docs-card{display:grid;grid-template-columns:1fr 1fr;gap:0 30px}.docs-card>h2{grid-column:1/-1}}
@media(max-width:1099px){.sidebar{width:205px;padding:28px 13px 0}.app-shell{margin-left:205px}.brand{font-size:24px;padding:0 5px}.brand-symbol{width:30px;height:30px;font-size:17px}.workspace{margin-top:28px}.profile{width:calc(100% + 26px);margin-left:-13px;padding:18px 14px}.profile>span:last-child{display:none}.topbar{height:73px;padding:0 26px}.topbar-actions{gap:12px}.search-trigger>span:not([data-icon]){display:none}.search-trigger kbd{margin-left:0}.topbar-divider{display:none}main{padding:27px 26px}.page-heading h1{font-size:25px}.page-heading p{font-size:11px}.page-heading .eyebrow{font-size:8px}.dashboard-grid{grid-template-columns:minmax(0,1fr)}.right-column{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}.right-column .toolkit{margin:0}.tip-card{margin:0;grid-column:1/-1}.tip-card blockquote{margin:12px 0}.worksheet-link{grid-column:1/-1;padding:0 5px}.hero-art{right:10px}.hero-content{padding:31px}.hero h2{font-size:36px}.hero-content>p{font-size:11px}.hero-meta{font-size:8px}.course-stats strong{font-size:10px}.course-stats small{font-size:8px}.bottom-banner{padding-bottom:4px}.site-footer{padding:20px 26px;gap:15px;flex-wrap:wrap}.classroom-layout{grid-template-columns:1fr}.classroom-layout aside{max-width:400px}.notes-layout{grid-template-columns:1fr}.note-lesson{font-size:12px}.resource-grid{grid-template-columns:1fr 1fr}.resource-grid .docs-card{grid-column:1/-1}.prompt-grid{gap:15px}.prompt-card{padding:20px}.prompt-card h2{font-size:16px}.prompt-card-footer .text-link{font-size:9px}.prompt-card-footer .button{font-size:9px}.content-search{max-width:100%}}
@media(min-width:768px) and (max-width:860px){.hero-content{padding:26px 22px}.hero h2{font-size:31px}.hero-art{right:-24px;transform:scale(.83);transform-origin:right center}.hero-content>p{font-size:9px}.hero-meta{font-size:7px}.course-stats strong{font-size:9px}.course-stats small{font-size:7px}.course-stats>div{gap:6px}.stat-icon{width:27px;height:27px}.curriculum-title h2{font-size:15px}.page-heading>.button{padding:10px;font-size:9px}.page-heading>.button .icon{width:12px}.page-heading h1{font-size:23px}.prompt-grid{grid-template-columns:1fr}.resource-grid{grid-template-columns:1fr}.resource-grid .docs-card{grid-column:auto}.module-description{font-size:9px}.module-card summary{padding:16px;gap:12px}}
@media(max-width:767px){.sidebar{visibility:hidden;transform:translateX(-100%);transition:transform .25s;width:242px;z-index:60;padding:28px 20px 0}.brand{font-size:27px}.brand-symbol{width:34px;height:34px}.nav-open .sidebar{visibility:visible;transform:translateX(0)}.mobile-scrim{display:none;position:fixed;inset:0;background:rgba(7,24,39,0.439);backdrop-filter:blur(3px);z-index:50}.nav-open .mobile-scrim{display:block}.sidebar-bottom{padding-top:20px}.small-callout{padding:14px}.sidebar .profile{width:calc(100% + 40px);margin-left:-20px;padding:17px 22px}.app-shell{margin-left:0}.mobile-menu{display:grid;margin-left:-6px}.topbar{padding:0 20px;height:66px}.breadcrumb{gap:10px;font-size:10px}.breadcrumb>span:first-of-type{display:none}.breadcrumb-divider{display:none}.topbar-actions{gap:12px}.search-trigger kbd{display:none}.topbar-actions>.icon-button{display:none}main{padding:25px 20px}.page-heading{margin-bottom:22px;gap:14px}.page-heading h1{font-size:25px;letter-spacing:-1px}.page-heading .eyebrow{font-size:7px;letter-spacing:1.1px}.page-heading p{font-size:11px;max-width:360px}.page-heading>.button{padding:9px 10px;font-size:9px;margin-top:13px;min-height:35px}.page-heading>.button .icon{width:13px;height:13px}.page-heading>.button .icon:first-child{display:none}.wave{font-size:24px;margin-left:3px}.dashboard-grid{gap:25px}.hero{min-height:321px}.hero-content{padding:30px}.hero h2{font-size:35px}.hero-art{right:2px}.course-stats{padding:21px 0;margin-bottom:24px;gap:10px}.course-stats strong{font-size:10px}.course-stats small{font-size:8px}.course-stats>div{gap:8px}.curriculum-title h2{font-size:16px}.curriculum-title p{font-size:10px;line-height:1.6}.count-tag{font-size:7px;margin-left:4px}.filter-tabs{gap:19px}.filter-tabs>button{font-size:10px}.curriculum-estimate{font-size:8px}.module-card summary{padding:17px;gap:13px}.module-description{font-size:10px}.module-info>strong{font-size:12px}.module-end{gap:10px}.module-icon{width:42px;height:42px}.bottom-banner strong{font-size:10px}.bottom-banner p{font-size:9px}.bottom-banner>a{font-size:9px}.right-column{gap:15px}.progress-card{padding:21px 17px}.right-column .toolkit{padding:21px 17px 10px}.small-tag{font-size:7px}.site-footer{font-size:8px;padding:18px 20px}.classroom-layout .module-card summary{padding:19px}.classroom-layout .module-info>strong{font-size:13px}.classroom-layout .module-description{font-size:10px}.classroom-layout .module-meta{font-size:9px}.classroom-layout aside{max-width:none}.prompt-grid{grid-template-columns:1fr 1fr}.prompt-card{padding:21px}.prompt-card-footer{flex-wrap:wrap}.resource-grid{grid-template-columns:1fr 1fr;gap:16px}.resource-feature{padding:24px}.resource-grid .toolkit{padding:24px}.resource-feature h2{font-size:23px}.resource-feature .button{font-size:10px}dialog{max-height:calc(100dvh - 24px)}.lesson-heading{padding:25px}.lesson-heading h1{font-size:27px}.lesson-body{padding:25px}.lesson-bottom{padding:15px}.lesson-bottom>span{max-width:160px;font-size:8px}.lesson-bottom .button{font-size:10px;padding:10px 12px}.lesson-modal{width:calc(100vw - 20px)}.certificate{padding:30px 16px;margin:10px}.certificate h1{font-size:26px}}
@media(max-width:580px){.page-heading{align-items:flex-start}.page-heading>.button{font-size:0;gap:0;min-width:34px;margin-top:19px}.page-heading>.button .icon:last-child{display:block;width:16px;height:16px}.page-heading h1{font-size:26px}.page-heading p{font-size:11px;max-width:295px}.hero{min-height:565px}.hero-content{padding:26px 25px}.hero h2{font-size:35px;line-height:1.18;margin-top:15px}.hero-content>p{font-size:10px}.hero .button{margin-top:17px}.hero-meta{margin-top:11px}.hero-art{height:260px;top:auto;bottom:4px;right:11px;width:310px;transform:scale(.87);transform-origin:bottom right;z-index:1}.editor-illustration{top:23px;left:-18px;width:269px;height:193px}.editor-body{font-size:8px;line-height:15px;padding:11px}.phone-illustration{top:5px;right:4px;width:110px;height:218px}.built-badge{top:-4px;left:-28px;font-size:6px;padding:8px 10px}.live-badge{bottom:13px;left:9px}.spark-one{right:-12px;top:-14px;font-size:18px}.spark-two{left:-44px;bottom:84px}.art-orbit{top:-5px;right:-20px}.orbit-two{top:-42px}.hero-content>p,.hero h2{white-space:normal}.course-stats{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;padding:20px 0 23px}.course-stats>div{display:flex;flex-direction:column;align-items:flex-start;gap:10px}.course-stats strong{font-size:9px;white-space:nowrap}.course-stats small{font-size:7px;white-space:nowrap;margin-top:5px}.stat-icon{width:30px;height:30px}.stat-icon .icon{width:15px;height:15px}.curriculum-title{gap:9px}.curriculum-title h2{font-size:15px;line-height:1.5}.curriculum-title p{font-size:9px;max-width:265px}.curriculum-title .count-tag{display:none}.curriculum-title>.text-link{font-size:9px;align-self:flex-start;padding-top:4px}.filter-tabs{gap:18px;margin-top:18px}.filter-tabs>button{font-size:9px}.curriculum-estimate{display:none}.module-card summary{padding:16px 13px;gap:11px}.module-icon{width:37px;height:37px;border-radius:9px}.module-icon .icon{width:19px;height:19px}.module-overline{font-size:6px;margin-bottom:5px}.module-info>strong{font-size:11px}.module-description{font-size:8px;line-height:1.6;max-width:205px;margin-top:3px}.module-meta{font-size:7px;margin-top:6px}.module-end{gap:7px}.module-progress{font-size:8px}.module-chevron{width:21px;height:21px}.module-chevron .icon{width:10px;height:10px}.bottom-banner{align-items:flex-start;flex-wrap:wrap;gap:10px}.bottom-banner strong{font-size:9px}.bottom-banner p{font-size:8px}.bottom-banner>a{margin-left:40px;margin-top:-3px;font-size:9px}.banner-icon{width:30px;height:30px}.right-column{grid-template-columns:1fr}.right-column .tip-card,.right-column .worksheet-link{grid-column:auto}.progress-card{padding:23px}.progress-card .section-title h2{font-size:13px}.progress-ring{width:150px;height:150px}.progress-ring>div{width:132px;height:132px}.mini-milestones>span{width:36px}.progress-caption{font-size:11px}.small-tag{font-size:8px}.progress-message{font-size:11px}.right-column .toolkit{padding:23px 23px 10px}.toolkit .section-title h2{font-size:14px}.toolkit>p{font-size:10px}.tool-row strong{font-size:12px}.tool-row small{font-size:10px}.tool-row{padding:16px 0}.tip-card{padding:24px}.tip-label{font-size:8px}.tip-card blockquote{font-size:15px}.tip-card>p{font-size:10px}.worksheet-link{font-size:10px}.site-footer{font-size:7px;gap:10px;flex-direction:column;align-items:flex-start}.site-footer>span:last-child{width:100%;justify-content:space-between}.prompt-grid{grid-template-columns:1fr}.prompt-card h2{font-size:19px}.prompt-card>p{font-size:12px}.prompt-card .eyebrow{font-size:8px}.prompt-card-footer{flex-wrap:nowrap}.prompt-card-footer .text-link{font-size:10px}.prompt-card-footer .button{font-size:10px}.resource-grid{grid-template-columns:1fr}.resource-grid .docs-card{grid-column:auto}.resource-grid .toolkit,.resource-feature,.docs-card{padding:25px}.resource-feature{min-height:350px}.resource-feature h2{font-size:27px}.notes-layout{gap:20px}.project-notes .section-title{padding:18px}.project-notes textarea{padding:20px;min-height:320px;font-size:12px}.notes-footer{font-size:8px;padding:14px 18px}.lesson-notes{padding:21px}.classroom-layout .module-card summary{padding:17px 13px;gap:10px}.classroom-layout .module-info>strong{font-size:11px}.classroom-layout .module-description{font-size:8px}.classroom-layout .module-overline{font-size:6px}.classroom-layout .module-meta{font-size:8px}.lesson-row{font-size:10px}.lesson-row small{font-size:8px}.lesson-time{font-size:8px}.lesson-heading{padding:23px 20px}.lesson-heading .eyebrow{font-size:7px}.lesson-heading h1{font-size:26px}.lesson-heading>p{font-size:12px}.lesson-heading-meta{font-size:7px;margin-top:20px}.lesson-body{padding:23px 20px}.lesson-step{gap:11px}.lesson-step h2{font-size:13px}.lesson-step p{font-size:11px}.lesson-step>span{width:25px;height:25px;font-size:10px}.lesson-code>div{font-size:7px;letter-spacing:.6px;padding:11px}.lesson-code button{font-size:9px}.lesson-code pre{font-size:10px;padding:15px}.lesson-checklist{padding:17px}.lesson-checklist label{font-size:10px;gap:9px}.lesson-bottom{flex-wrap:wrap;padding:12px 15px}.lesson-bottom>span{order:-1;flex:0 0 100%;max-width:none;font-size:8px}.lesson-bottom .button{font-size:10px;min-height:36px}.form-modal{padding:25px}.form-modal h1{font-size:25px}.modal-top{padding:13px 20px}.search-modal-body{padding:21px}.certificate h1{font-size:24px}.certificate h2{font-size:20px}.certificate p{font-size:10px}}
@media(max-width:370px){main{padding:22px 15px}.topbar{padding:0 15px}.page-heading h1{font-size:23px}.page-heading .eyebrow{font-size:6px}.hero-content{padding:24px 21px}.hero h2{font-size:32px}.course-stats strong{font-size:8px}.course-stats small{font-size:6px}.module-description{max-width:175px}.module-end{gap:4px}.module-progress{display:none}.curriculum-title h2{font-size:14px}.notes-footer{font-size:7px}.hero-art{right:8px;transform:scale(.82)}}
@media(max-height:800px) and (min-width:768px){.sidebar{padding-top:25px}.workspace{margin-top:23px;margin-bottom:23px}.sidebar-project{margin-top:25px}.sidebar-bottom{padding-top:20px}.small-callout{padding:13px}.callout-spark{margin-bottom:8px}.small-callout a{margin-top:10px}.help-link{margin:10px 0 12px}.profile{padding-top:15px;padding-bottom:15px}}
@media(max-height:690px){.small-callout{display:none}.sidebar{overflow-y:auto}.sidebar-bottom{padding-top:18px}.help-link{margin:5px 0 12px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{body{background:white}.sidebar,.app-shell,.toast,.mobile-scrim,.modal-top,.certificate button{display:none!important}dialog[open].certificate-modal{display:block;position:static;width:100%;max-width:none;max-height:none;margin:0;border:0;box-shadow:none;overflow:visible}dialog::backdrop{background:none}.certificate{padding:70px 35px;border:8px double var(--muted)}.certificate h1{font-size:36px}.certificate h2{font-size:28px}.certificate p{font-size:15px}body:has(dialog[open]){overflow:visible}}

/* Keep the lesson text comfortable for sustained reading. */
.lesson-step p{color:var(--text);font-size:13px}.lesson-heading>p{color:var(--text)}.lesson-code pre{color:var(--text)}.terminal-code pre{color:var(--muted)}.lesson-checklist label{color:var(--text)}.lesson-tip p{color:var(--text)}.lesson-note-section textarea{font-size:12px}.module-description{color:var(--text)}.curriculum-title p{color:var(--text)}.tool-row small{color:var(--text)}.hero-content>p{color:var(--text)}@media(max-width:580px){.lesson-step p{font-size:12px}.lesson-code pre{font-size:11px}}
@media(min-width:861px) and (max-width:1099px){.hero-art{right:8px;transform:scale(.74);transform-origin:right center}.hero h2{font-size:33px}}
@media(min-width:768px) and (max-width:860px){.hero-art{right:6px;transform:scale(.60);transform-origin:right center}.hero h2{font-size:28px}}
/* Start-to-finish course guide */
.start-banner{display:flex;align-items:center;gap:13px;padding:16px 19px;background:var(--paper);border:1px solid var(--border);border-radius:10px;margin-bottom:24px}.start-banner:hover{background:var(--cyan-soft);border-color:var(--border)}.start-banner-icon{display:grid;place-items:center;width:34px;height:34px;background:var(--cyan-soft);color:var(--link);border-radius:9px;flex-shrink:0}.start-banner-icon .icon{width:17px;height:17px}.start-banner strong{display:block;font-size:12px;font-weight:600;color:var(--slate)}.start-banner small{display:block;font-size:10px;color:var(--text);line-height:1.7;margin-top:3px}.start-banner-link{margin-left:auto;display:flex;align-items:center;gap:10px;white-space:nowrap;font-size:11px;color:var(--text)}.start-banner-link .icon{width:15px;height:15px}.guide-intro{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:40px;align-items:center;padding:32px 36px;border:1px solid var(--border);background:linear-gradient(115deg,var(--paper),var(--cyan-soft));border-radius:13px;margin-bottom:26px}.guide-intro h2{font-size:31px;font-weight:750;letter-spacing:-1.15px;line-height:1.35;margin:15px 0 13px}.guide-intro>div>p{font-size:13px;color:var(--text);line-height:1.95;max-width:620px}.guide-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px}.guide-status{text-align:center;padding:23px 16px;border-radius:12px;background:var(--paper);border:1px solid var(--border);display:flex;flex-direction:column;align-items:center}.guide-status-icon{display:grid;place-items:center;width:39px;height:39px;border-radius:50%;background:var(--border);color:var(--muted);margin-bottom:12px}.guide-status-icon .icon{width:19px;height:19px}.guide-status>strong{font-family:var(--heading);font-size:35px;letter-spacing:-1.5px;font-weight:750;color:var(--slate)}.guide-status>strong>span{font-size:21px;font-weight:500;color:var(--muted)}.guide-status>p{font-size:11px;margin-top:5px;color:var(--text)}.guide-progress-track{height:5px;width:100%;background:var(--border);border-radius:5px;margin:20px 0 13px;overflow:hidden}.guide-progress-track>span{display:block;height:100%;background:var(--brand-cyan);border-radius:5px}.guide-status .text-link{color:var(--text);font-size:11px}.guide-layout{display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:26px;align-items:start}.guide-main{min-width:0;display:grid;gap:22px}.guide-section{padding:28px}.guide-section-heading{display:flex;align-items:flex-start;gap:13px;margin-bottom:22px}.guide-section-heading>span{width:34px;height:34px;background:var(--cyan-soft);border:1px solid var(--border);border-radius:9px;display:grid;place-items:center;flex-shrink:0;font-size:11px;color:var(--text);font-weight:600}.guide-section-heading h2{font-size:18px;letter-spacing:-.5px;line-height:1.5}.guide-section-heading p{font-size:11px;color:var(--muted);margin-top:4px;line-height:1.8}.guide-checklist{list-style:none;padding:0;margin:0;display:grid;gap:16px}.guide-checklist>li{display:flex;align-items:flex-start;gap:11px;font-size:12px;color:var(--text);line-height:1.85}.guide-checklist>li>.icon{width:17px;height:17px;color:var(--muted);margin-top:3px}.guide-checklist strong{display:block;color:var(--slate);font-weight:600;margin-bottom:3px}.guide-inline-actions{display:flex;flex-wrap:wrap;gap:20px;border-top:1px solid var(--cyan-soft);padding-top:18px;margin-top:21px}.guide-inline-actions .text-link{font-size:11px;color:var(--text)}.guide-instruction-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.guide-instruction-grid>article{padding:20px;background:var(--paper);border:1px solid var(--cyan-soft);border-radius:9px;min-width:0}.guide-instruction-grid>article:first-child{background:var(--paper);border-color:var(--border)}.guide-instruction-label{display:flex;align-items:center;gap:6px;font-size:8px;letter-spacing:1px;color:var(--text)}.guide-instruction-label .icon{width:14px;height:14px}.guide-instruction-grid h3{font-size:13px;margin:13px 0 10px;letter-spacing:-.25px}.guide-instruction-grid p{font-size:12px;line-height:1.9;color:var(--text)}.guide-section code{font-size:11px;padding:2px 4px;border-radius:4px;background:var(--paper);overflow-wrap:anywhere;color:var(--text)}.guide-section p strong{font-weight:600;color:var(--text)}.guide-note{display:flex;gap:11px;padding:16px;background:var(--cyan-soft);border:1px solid var(--cyan-soft);border-radius:8px;margin:20px 0}.guide-note>.icon{width:16px;height:16px;color:var(--text);margin-top:3px;flex-shrink:0}.guide-note p{font-size:11px;color:var(--text);line-height:1.9}.guide-note code{background:var(--border);color:var(--text)}.guide-workflow{margin:0;padding-left:21px;font-size:12px;line-height:1.9;color:var(--text)}.guide-workflow>li{padding:0 0 19px 8px}.guide-workflow>li:last-child{padding-bottom:0}.guide-workflow strong{font-weight:600;color:var(--text)}.guide-workflow p{color:var(--text);margin-top:5px}.guide-finish{border-color:var(--border);background:var(--paper)}.guide-finish .guide-section-heading>span{background:var(--cyan-soft);color:var(--text);border-color:var(--border)}.guide-finish>p{font-size:12px;color:var(--text);line-height:1.9;margin-top:21px}.guide-aside{display:grid;gap:20px}.guide-roadmap{padding:23px 20px 8px}.guide-roadmap h2,.guide-side-note h2{font-family:var(--font);font-size:14px;font-weight:600}.guide-module{display:flex;align-items:center;gap:10px;padding:19px 0;width:100%;border-bottom:1px solid var(--cyan-soft);text-align:left}.guide-module:last-child{border:0}.guide-module:hover strong{color:var(--brand-cyan)}.guide-module .module-icon{width:34px;height:34px;border-radius:8px}.guide-module .module-icon .icon{width:17px;height:17px}.guide-module>span:nth-child(2){min-width:0}.guide-module small{display:block;font-size:7px;letter-spacing:.5px;color:var(--muted)}.guide-module strong{display:block;font-size:11px;font-weight:600;margin:5px 0}.guide-module em{display:block;font-size:9px;line-height:1.8;color:var(--muted);font-style:normal}.guide-module>.icon{width:11px;height:11px;color:var(--muted);margin-left:auto}.guide-side-note{padding:23px}.guide-side-note>.icon{width:21px;height:21px;color:var(--muted);margin-bottom:14px}.guide-side-note h2{margin-bottom:11px}.guide-side-note p{font-size:11px;color:var(--text);line-height:1.95;margin-bottom:12px}.guide-side-note p strong{font-weight:550;color:var(--text)}.guide-side-note .text-link{font-size:10px;color:var(--text)}.guide-stuck{border-radius:10px;background:var(--cyan-soft);border:1px solid var(--border)}.guide-stuck h2{color:var(--text)}.guide-stuck p{color:var(--text)}.library-howto{display:flex;align-items:center;gap:12px;background:var(--paper);border:1px solid var(--border);border-radius:9px;padding:17px 20px;margin:0 0 22px}.library-howto>.icon{color:var(--text);width:18px;height:18px}.library-howto p{font-size:11px;color:var(--text);line-height:1.9}.library-howto p strong{display:block;font-weight:600;color:var(--text)}.library-howto>a{display:flex;align-items:center;gap:6px;margin-left:auto;white-space:nowrap;color:var(--text);font-size:10px}.library-howto>a>.icon{width:13px;height:13px}
@media(max-width:1279px){.guide-layout{grid-template-columns:minmax(0,1fr) 250px;gap:20px}.guide-section{padding:23px}.guide-intro{padding:28px;gap:25px;grid-template-columns:minmax(0,1fr) 190px}.guide-instruction-grid{grid-template-columns:1fr}.guide-intro h2{font-size:27px}}
@media(max-width:1099px){.guide-layout{grid-template-columns:1fr}.guide-aside{grid-template-columns:1fr 1fr}.guide-roadmap{grid-row:span 2}.guide-intro{grid-template-columns:minmax(0,1fr) 150px;gap:22px}.guide-intro>div>p{font-size:12px}.guide-intro h2{font-size:25px}.guide-intro .button{font-size:10px;padding:10px 12px}.guide-instruction-grid{grid-template-columns:1fr 1fr}.guide-status{padding:19px 13px}.guide-status .text-link{font-size:9px}.start-banner{gap:10px;padding:14px}.start-banner strong{font-size:11px}.start-banner small{font-size:9px}.start-banner-link{font-size:10px}}
@media(max-width:767px){.guide-intro{padding:26px;grid-template-columns:minmax(0,1fr) 160px}.guide-intro h2{font-size:27px}.guide-section-heading h2{font-size:18px}.guide-section p,.guide-checklist>li,.guide-workflow{font-size:12px}.guide-aside{gap:16px}.guide-section code{font-size:10px}}
@media(max-width:580px){.start-banner{flex-wrap:wrap;margin-bottom:20px;padding:15px;gap:10px}.start-banner>span:nth-child(2){flex:1;min-width:0}.start-banner strong{font-size:11px;line-height:1.6}.start-banner small{font-size:9px;margin-top:5px}.start-banner-link{margin-left:44px;font-size:10px}.guide-intro{grid-template-columns:1fr;padding:23px;gap:23px}.guide-intro h2{font-size:28px;margin-top:17px}.guide-intro .hero-kicker{font-size:6px;letter-spacing:1px}.guide-intro>div>p{font-size:12px}.guide-actions{gap:8px}.guide-actions .button{font-size:10px;padding:10px 12px}.guide-status{display:grid;grid-template-columns:1fr 1fr;text-align:left;gap:6px 14px;padding:18px}.guide-status-icon{display:none}.guide-status>strong{font-size:30px;grid-column:1;grid-row:1}.guide-status>p{grid-column:1;grid-row:2;font-size:10px;margin:0}.guide-progress-track{grid-column:2;grid-row:1;margin:0}.guide-status .text-link{grid-column:2;grid-row:2;font-size:9px}.guide-section{padding:21px}.guide-section-heading{gap:11px}.guide-section-heading h2{font-size:16px}.guide-section-heading>span{width:30px;height:30px;font-size:10px}.guide-section-heading p{font-size:10px}.guide-section p,.guide-checklist>li,.guide-workflow{font-size:11px}.guide-instruction-grid{grid-template-columns:1fr}.guide-instruction-grid>article{padding:18px}.guide-section .text-link{font-size:10px}.guide-note{padding:13px;gap:9px}.guide-note p{font-size:10px}.guide-aside{grid-template-columns:1fr}.guide-roadmap{grid-row:auto}.guide-roadmap h2{font-size:15px}.guide-module small{font-size:8px}.guide-module strong{font-size:12px}.guide-module em{font-size:10px}.guide-side-note p{font-size:12px}.library-howto{flex-wrap:wrap;align-items:flex-start;padding:16px;gap:9px}.library-howto>.icon{margin-top:3px}.library-howto p{flex:1;min-width:0;font-size:10px}.library-howto>a{margin-left:27px;font-size:10px}}

/* Flyer branding: navy surfaces, cyan highlights, lime calls to action. */
button:focus-visible,a:focus-visible,summary:focus-visible{outline-color:var(--brand-cyan)}
input:focus,textarea:focus{outline-color:var(--brand-cyan-hover)}
.sidebar{background:var(--navy);border-right-color:var(--navy-raised);color:var(--white)}
.brand{color:var(--white)}
.brand-symbol{background:var(--brand-cyan);color:var(--navy)}
.brand-dot{color:var(--brand-lime)}
.workspace{border-color:var(--slate);background:var(--navy-raised);color:var(--white)}
.workspace:hover{background:var(--slate)}
.workspace-icon{background:var(--brand-cyan);color:var(--navy)}
.workspace small,.workspace-chevron{color:#b7cbd7}
.sidebar .nav-label{color:#91a7b4}
.sidebar nav a{color:#c5d5df}
.sidebar nav a:hover{background:var(--navy-raised);color:var(--white)}
.sidebar nav a.active,.sidebar nav a.active:hover{background:var(--brand-cyan);color:var(--navy)}
.nav-count{background:var(--slate);color:#dce8ee}
.sidebar nav a.active .nav-count{background:var(--navy);color:var(--brand-cyan)}
.tiny-dot{background:var(--brand-lime)}
.sidebar-project>button{color:#c5d5df}
.project-mini{background:var(--navy-raised);border-color:var(--slate);color:var(--brand-cyan)}
.sidebar-project>button>span:last-child .icon{color:var(--brand-cyan)}
.small-callout{background:var(--navy-raised);border-color:var(--slate)}
.callout-spark{color:var(--brand-cyan)}
.small-callout strong{color:var(--white)}
.small-callout p{color:#91a7b4}
.small-callout a{color:var(--brand-lime)}
.help-link{color:#b7cbd7}
.profile{border-color:var(--slate)}
.profile small,.profile>span:last-child{color:#91a7b4}
.avatar{background:var(--brand-cyan);border-color:var(--cyan-soft);color:var(--navy)}
.sidebar .avatar{border-color:var(--slate)}
.topbar{background:var(--white)}
.wave{color:var(--brand-cyan-hover)}
.button.primary{background:var(--brand-lime);border-color:var(--brand-lime);color:var(--navy);box-shadow:0 3px 7px rgba(7,24,39,.06)}
.button.primary:hover:not(:disabled){background:var(--brand-lime-hover);border-color:var(--brand-lime-hover);color:var(--navy)}
.button.secondary{color:var(--navy);border-color:var(--border)}
.button.secondary:hover:not(:disabled){background:var(--cyan-soft);border-color:var(--brand-cyan-hover)}
.hero,.guide-intro{background:linear-gradient(110deg,var(--navy) 0%,var(--navy-raised) 100%);border-color:var(--navy)}
.hero h2,.guide-intro h2{color:var(--white)}
.hero h2>span{color:var(--brand-cyan)}
.hero h2>span:after{border-color:var(--brand-lime)}
.hero-kicker{background:var(--brand-cyan);border-color:var(--brand-cyan);color:var(--navy);font-weight:700}
.green-dot{background:var(--navy)}
.hero-content>p,.guide-intro>div>p{color:#dce8ee}
.hero-meta{color:#a9bfcd}
.hero-meta .meta-dot{color:var(--brand-cyan)}
.art-orbit{border-color:var(--slate)}
.art-spark{color:var(--brand-cyan)}
.editor-illustration{background:var(--navy);border-color:var(--slate);box-shadow:0 17px 35px rgba(0,0,0,.22)}
.editor-bar,.editor-status{background:var(--navy-raised);border-color:var(--slate)}
.editor-bar i{background:var(--brand-cyan)}
.editor-bar i:nth-child(2){background:var(--brand-lime)}
.editor-bar i:nth-child(3){background:#91a7b4}
.editor-bar>span,.code-muted{color:#91a7b4}
.line-numbers{color:#6d7c86}
.art-code{color:#dce8ee}
.code-purple,.code-blue{color:var(--brand-cyan)}
.code-green,.code-peach{color:var(--brand-lime)}
.editor-status{color:#91a7b4}
.editor-status>span:first-child{color:var(--brand-lime)}
.phone-illustration{border-color:var(--slate);background:var(--paper);box-shadow:0 14px 25px rgba(0,0,0,.25)}
.phone-island{background:var(--slate)}
.phone-logo{color:var(--navy)}
.phone-logo>span,.phone-logo>b{color:var(--link)}
.phone-image{background:var(--brand-cyan)}
.sun{background:var(--brand-lime)}
.mountain-back{background:var(--brand-cyan-hover)}
.mountain-front{background:var(--navy-raised)}
.image-caption{color:var(--white)}
.phone-nav b{background:var(--navy);color:var(--brand-cyan)}
.phone-nav i{background:var(--brand-cyan-hover)}
.float-badge{background:var(--paper);border-color:var(--white);color:var(--navy)}
.built-badge>span{color:var(--link)}
.live-check{background:var(--brand-lime);color:var(--navy)}
.live-badge small{color:var(--text)}
.orange,.blue{background:var(--cyan-soft);color:var(--link)}
.purple,.green{background:var(--lime-soft);color:#53682a}
.progress-ring{background:conic-gradient(var(--brand-cyan) var(--progress),var(--border) 0)}
.progress-ring>div{background:var(--white)}
.small-tag,.complete-label{background:var(--lime-soft);color:#53682a}
.mini-milestone.done,.lesson-status.finished{background:var(--brand-lime);border-color:var(--brand-lime);color:var(--navy)}
.filter-tabs>button.active{color:var(--link)}
.filter-tabs>button.active:after{background:var(--brand-cyan-hover)}
.filter-tabs>button>span{background:var(--cyan-soft);color:var(--link)}
.module-card summary:hover{background:var(--cyan-soft)}
.module-card[open]{border-color:var(--brand-cyan-hover)}
.module-chevron{background:var(--paper);border-color:var(--border);color:var(--text)}
.lesson-row:hover,.note-lesson:hover{color:var(--link)}
.text-link:hover,.tool-row:hover strong,.doc-link:hover,.worksheet-link:hover{color:var(--link)}
.course-lead{margin:22px 0 28px;padding:26px 30px;border:1px solid var(--border);border-radius:18px;background:var(--white);box-shadow:0 12px 35px rgba(7,24,39,.055)}
.course-lead-top{display:flex;align-items:center;justify-content:space-between;gap:22px}
.course-lead h2{margin:8px 0;font:750 clamp(21px,2.5vw,29px)/1.2 Manrope,sans-serif;color:var(--navy)}
.course-lead p{margin:0;color:var(--muted);font-size:14px}
.course-lead .button{flex-shrink:0}
.step-track{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;margin-top:25px}
.step-track-item{display:flex;align-items:center;gap:9px;min-width:0;padding:11px 13px;border:1px solid var(--border);border-radius:10px;color:var(--muted);font-size:12px;line-height:1.3}
.step-track-item b{display:grid;place-items:center;flex:0 0 25px;height:25px;border-radius:50%;background:var(--paper);color:var(--slate);font-size:12px}
.step-track-item.active{border-color:var(--brand-cyan);background:var(--cyan-soft);color:var(--navy);font-weight:700}
.step-track-item.active b{background:var(--brand-cyan);color:var(--navy)}
.step-track-item.complete{border-color:#d8e9a8;background:#f7fbe9;color:#365321}
.step-track-item.complete b{background:var(--brand-lime);color:var(--navy)}
.module-card.is-current{border-color:var(--brand-cyan-hover);box-shadow:0 0 0 2px rgba(56,217,245,.14)}
.module-card.is-current .module-overline{color:var(--link)}
.module-card.is-complete .module-overline{color:#537020}
.complete-label{display:inline-block;padding:4px 7px;border-radius:99px;font-size:9px;font-weight:750;letter-spacing:.07em}
.classroom-layout .course-lead+.classroom-layout{margin-top:6px}
@media(max-width:760px){.course-lead{padding:21px 18px}.course-lead-top{align-items:flex-start;flex-direction:column}.course-lead .button{width:100%;justify-content:center}.step-track{grid-template-columns:1fr 1fr;gap:7px}.step-track-item{font-size:10px;padding:9px}}
.cursor-logo,.expo-logo,.github-logo{background:var(--paper);color:var(--navy)}
.firebase-logo{background:var(--lime-soft);color:var(--navy)}
.firebase-logo .icon{fill:var(--brand-lime);stroke:var(--navy)}
.tip-card,.guide-stuck{background:var(--navy);border-color:var(--navy-raised)}
.tip-label,.guide-stuck>.icon{color:var(--brand-cyan)}
.tip-card blockquote,.guide-stuck h2{color:var(--white)}
.tip-card>p,.guide-stuck p{color:#b7cbd7}
.guide-stuck .text-link{color:var(--brand-lime)}
.banner-icon{background:var(--cyan-soft);color:var(--link)}
.bottom-banner>a{color:var(--link)}
.site-footer{background:var(--brand-cyan);border-top-color:var(--brand-cyan);color:var(--navy)}
.footer-mark{color:var(--navy)}
.start-banner{background:var(--cyan-soft);border-color:#a7e5ef}
.start-banner:hover{background:#d6f5fa;border-color:var(--brand-cyan-hover)}
.start-banner-icon{background:var(--navy);color:var(--brand-cyan)}
.start-banner strong{color:var(--navy)}
.start-banner small{color:var(--text)}
.start-banner-link{color:var(--link)}
.guide-status{background:var(--navy);border-color:var(--slate)}
.guide-status-icon{background:var(--brand-lime);color:var(--navy)}
.guide-status>strong{color:var(--brand-cyan)}
.guide-status>strong>span{color:var(--white)}
.guide-status>p{color:#b7cbd7}
.guide-progress-track{background:var(--slate)}
.guide-progress-track>span{background:var(--brand-cyan)}
.guide-status .text-link{color:var(--brand-lime)}
.guide-section-heading>span{background:var(--cyan-soft);border-color:#a7e5ef;color:var(--link)}
.guide-checklist>li>.icon{color:var(--link)}
.guide-inline-actions .text-link,.guide-side-note .text-link{color:var(--link)}
.guide-instruction-grid>article:first-child{background:var(--cyan-soft);border-color:#a7e5ef}
.guide-instruction-grid>article{background:var(--paper);border-color:var(--border)}
.guide-instruction-label{color:var(--link)}
.guide-note{background:var(--paper);border-color:var(--border)}
.guide-note>.icon,.guide-note p{color:var(--text)}
.guide-note code{color:var(--navy);background:var(--white)}
.guide-workflow{color:var(--link)}
.guide-finish{background:var(--white);border-color:var(--border);border-top:3px solid var(--brand-lime)}
.guide-finish .guide-section-heading>span{background:var(--lime-soft);border-color:#d5e5a8;color:#53682a}
.guide-module:hover strong{color:var(--link)}
.guide-side-note>.icon{color:var(--link)}
.guide-side-note.guide-stuck>.icon{color:var(--brand-cyan)}
.guide-side-note.guide-stuck .text-link{color:var(--brand-lime)}
.library-howto{background:var(--cyan-soft);border-color:#a7e5ef}
.library-howto p strong{color:var(--navy)}
.library-howto p{color:var(--text)}
.library-howto>.icon,.library-howto>a{color:var(--link)}
.tag{background:var(--cyan-soft);color:var(--link)}
.prompt-card pre{background:var(--paper);color:var(--text)}
.content-search:focus-within{border-color:var(--brand-cyan-hover);box-shadow:0 0 0 3px rgba(56,217,245,.16)}
.project-notes textarea{color:var(--ink)}
.autosave-label{color:var(--link)}
.resource-feature{background:var(--navy);border-color:var(--navy-raised)}
.resource-feature h2{color:var(--white)}
.resource-feature .eyebrow{color:var(--brand-cyan)}
.resource-feature p{color:#b7cbd7}
.resource-art{background:var(--brand-cyan);color:var(--navy)}
.modal-top{background:var(--navy);border-color:var(--slate)}
.modal-brand,.modal-top .icon-button{color:var(--brand-cyan)}
.modal-brand>span{color:var(--white)}
.modal-top .icon-button:hover{color:var(--navy);background:var(--brand-cyan)}
.lesson-heading{background:var(--navy-raised);border-color:var(--slate)}
.lesson-heading .eyebrow{color:var(--brand-cyan)}
.lesson-heading-meta{color:#a9bfcd}
.lesson-heading h1{color:var(--white)}
.lesson-heading>p{color:#dce8ee}
.lesson-step>span{background:var(--cyan-soft);border-color:#a7e5ef;color:var(--link)}
.lesson-step p{color:var(--text)}
.lesson-code{background:var(--paper);border-color:var(--border)}
.lesson-code>div{border-color:var(--border);color:var(--text)}
.lesson-code>div>.icon,.lesson-code button{color:var(--link)}
.lesson-code pre{color:var(--text)}
.terminal-code{background:var(--navy);border-color:var(--slate)}
.terminal-code>div{border-color:var(--slate);color:#b7cbd7}
.terminal-code>div>.icon,.terminal-code button{color:var(--brand-cyan)}
.terminal-code pre{color:var(--brand-lime)}
.lesson-tip{background:var(--cyan-soft);border-color:#a7e5ef}
.lesson-tip>.icon,.lesson-tip strong{color:var(--link)}
.lesson-tip p{color:var(--text)}
.lesson-checklist{background:var(--paper);border-color:var(--border)}
.lesson-checklist label{color:var(--text)}
.lesson-checklist .section-title>span{color:var(--link)}
.lesson-checklist input{accent-color:var(--link)}
.lesson-links a{color:var(--link)}
.lesson-links a:hover{color:var(--navy)}
.lesson-bottom{background:var(--white);border-color:var(--border)}
.lesson-bottom>span{color:var(--muted)}
.search-result:hover{background:var(--cyan-soft)}
.search-result-icon{background:var(--cyan-soft);color:var(--link)}
.empty-state>.icon{color:var(--link)}
.certificate{background:var(--paper);border-color:var(--brand-cyan)}
.certificate-seal{background:var(--brand-lime);color:var(--navy)}
.certificate .eyebrow,.certificate h2{color:var(--link)}
.certificate p,.certificate>small,.certificate-project{color:var(--text)}
.toast{background:var(--navy);color:var(--white);border:1px solid var(--brand-cyan)}
@media print{.certificate{background:white;border-color:var(--navy)}.certificate h1,.certificate h2,.certificate p,.certificate>small{color:var(--navy)}}

.brand-photo{width:35px;height:35px;object-fit:cover;object-position:center;border-radius:10px;margin-right:9px;flex:none}
.modal-brand-photo{width:25px;height:25px;object-fit:cover;object-position:center;border-radius:7px}
.footer-photo{width:18px;height:18px;object-fit:cover;object-position:center;border-radius:5px;vertical-align:middle;margin-left:5px}
.form-modal select{appearance:none;border:1px solid var(--border);background:var(--paper) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 256 256' fill='%236b7785'%3E%3Cpath d='M213.66,101.66l-80,80a8,8,0,0,1-11.32,0l-80-80A8,8,0,0,1,53.66,90.34L128,164.69l74.34-74.35a8,8,0,0,1,11.32,11.32Z'/%3E%3C/svg%3E") no-repeat right 13px center/14px;border-radius:7px;width:100%;display:block;padding:13px 38px 13px 13px;font:inherit;font-size:12px;font-weight:400;color:var(--text);margin-top:9px;cursor:pointer}
.form-modal select:focus{outline:2px solid var(--link);outline-offset:2px}
.form-modal input[readonly]{color:var(--muted);cursor:default}
.auth-error{font-size:11px;line-height:1.7;color:#b42318;background:#fef3f2;border:1px solid #fecdca;border-radius:7px;padding:10px 12px;margin:-4px 0 18px}
.auth-switch{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px;margin-top:18px;font-size:11px;color:var(--text)}
.auth-switch .text-link{font-size:11px;font-weight:600;color:var(--link)}
.lock-screen{display:grid;place-items:center;min-height:calc(100dvh - 160px);padding:24px 0}
.lock-card{width:min(480px,100%);text-align:left}
.lock-card .lock-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:12px;background:var(--cyan-soft);color:var(--link);margin-bottom:18px}
.lock-card .lock-icon .icon{width:22px;height:22px}
.lock-card form>label{display:block;font-size:11px;font-weight:600;margin:0 0 20px;color:var(--text)}
.lock-card #access-code{letter-spacing:1px;text-transform:uppercase}
.lock-card #access-code::placeholder{letter-spacing:0;text-transform:none}