:root{--bg:#f6f5f1;--paper:#fff;--ink:#242432;--muted:#85858c;--line:#e7e6e1;--purple:#6b57d8;--purple-dark:#5540b8;--lavender:#eeebfb;--green:#388568;--mono:'IBM Plex Mono',monospace;--display:'Space Grotesk',sans-serif;--body:'DM Sans',sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:14px;line-height:1.6}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #a795ee;outline-offset:4px}button:disabled{cursor:default}svg.icon{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle}h1,h2,h3,h4,p{margin:0}h1,h2,h3{font-family:var(--display);line-height:1.25;letter-spacing:-.7px}h1{font-size:36px;font-weight:600}h2{font-size:23px;font-weight:600}h3{font-size:18px;font-weight:600}.skip{position:fixed;top:-70px;z-index:100;background:white;padding:14px}.skip:focus{top:0}.sidebar{position:fixed;width:238px;inset:0 auto 0 0;background:#faf9f6;border-right:1px solid var(--line);padding:30px 20px;display:flex;flex-direction:column;z-index:20}.brand{display:flex;align-items:center;gap:11px;font-family:var(--display);font-weight:700;font-size:27px;letter-spacing:-1.4px;margin:0 10px 43px}.brand-light{font-weight:400}.brand-dot{color:var(--purple)}.brand-icon{width:29px;height:30px;display:block;background:var(--purple);clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);position:relative}.brand-icon:after{content:'';position:absolute;width:15px;height:17px;inset:6px 7px;background:#faf9f6;clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}.workspace-label{font-size:9px;letter-spacing:1.5px;color:#929098;font-weight:650;margin:0 12px 15px}.nav-item{display:flex;align-items:center;gap:11px;padding:12px 13px;border-radius:7px;color:#76747e;font-size:12px;margin-bottom:5px;transition:.2s}.nav-item:hover{background:#f0eeeb}.nav-item.active{background:var(--lavender);color:var(--purple-dark);font-weight:650}.nav-item .icon{width:17px}.nav-count{margin-left:auto;font-size:10px;background:#ddd5f7;padding:0 6px;border-radius:4px}.small-new{margin-left:auto;font:8px var(--mono);color:var(--green);letter-spacing:.6px;background:#e7efe8;border-radius:3px;padding:2px 4px}.sidebar-rule{border-top:1px solid var(--line);margin:23px 12px}.course-nav a{font-size:11px;color:#83818a;display:flex;gap:10px;padding:9px 12px;align-items:center}.course-nav a:hover{color:var(--purple)}.course-num{font:9px var(--mono);color:#a4a0ad;border:1px solid #dedce4;border-radius:50%;width:19px;height:19px;display:grid;place-items:center;flex:none}.course-num.done{background:#e4eee8;color:var(--green);border-color:#c8ddcf}.sidebar-bottom{margin-top:auto;padding:26px 10px 0}.little-tip{background:#efeee8;padding:16px 13px;border-radius:9px;font-size:10px}.little-tip .icon{color:var(--purple);margin-bottom:9px}.little-tip b{display:block;font-weight:550;font-size:11px;line-height:1.55}.little-tip p{color:#908b87;font-size:10px;margin-top:4px}.docs-link{font-size:11px;color:#827f89;display:flex;justify-content:space-between;align-items:center;margin:20px 0 18px}.docs-link .icon{width:13px}.local-label{font-size:8px;color:#aaa5a5;display:flex;align-items:center;gap:5px}.status-dot{width:5px;height:5px;border-radius:50%;background:#70a990;display:inline-block}.app{margin-left:238px}.topbar{height:77px;padding:0 43px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#faf9f6}.breadcrumb{display:flex;align-items:center;gap:16px;color:#7c7883;font-size:11px}.breadcrumb .icon{width:15px;color:#a7a2ac}.crumb-slash{color:#c5c1c9}.header-right{display:flex;align-items:center;gap:22px}.search-button{display:flex;align-items:center;gap:10px;border:0;background:none;color:#98939e;font-size:11px}.search-button .icon{width:14px}.search-button kbd{font:9px var(--mono);border:1px solid #dedbe1;border-radius:4px;padding:1px 5px;margin-left:28px;color:#a49ea9}.xp-pill{display:flex;gap:5px;align-items:center;font-size:10px;color:#8d8997;border-left:1px solid #e6e1e9;padding-left:20px}.xp-pill .icon{width:13px;color:var(--purple);fill:#eee6ff}.xp-pill b{color:#625c71;font-weight:600}.avatar{width:31px;height:31px;border:1px solid #e0d8d2;background:#efe8df;display:grid;place-items:center;border-radius:50%;font-size:8px;font-weight:700;color:#8c7661}.icon-button{border:0;background:none;padding:5px}.mobile-menu{display:none}main{max-width:1390px;padding:37px 43px 28px;margin:auto;min-height:calc(100vh - 135px)}.welcome{display:flex;justify-content:space-between;align-items:end;margin-bottom:25px}.eyebrow{font:9px var(--mono);letter-spacing:1.6px;color:#96919c;margin-bottom:9px}.welcome h1{font-size:29px;letter-spacing:-1px}.welcome p{font-size:12px;color:#8a8691;margin-top:7px}.level-tag{font-size:9px;letter-spacing:.3px;display:flex;align-items:center;gap:7px;border:1px solid #e1ddd9;border-radius:20px;padding:5px 11px;color:#7c7683;background:#faf9f6}.level-tag .icon{width:13px;color:#8e849e}.hero{position:relative;border:1px solid #e0daf0;background:#eeeaf8;border-radius:13px;min-height:268px;display:grid;grid-template-columns:1.2fr 1fr;overflow:hidden}.hero-content{padding:31px 34px;z-index:2}.hero-label{display:flex;gap:7px;align-items:center;color:#806eac;font:9px var(--mono);letter-spacing:1.4px;margin-bottom:14px}.hero-label .icon{width:12px}.hero h2{font-size:39px;letter-spacing:-1.65px;line-height:1.1;font-weight:500}.hero h2 span{color:var(--purple)}.hero p{font-size:11px;line-height:1.9;color:#8a80a0;margin:13px 0 19px;max-width:350px}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid transparent;padding:10px 16px;border-radius:6px;font-size:11px;font-weight:550;transition:background .2s,transform .2s}.button:hover{transform:translateY(-1px)}.button .icon{width:14px;height:14px}.primary{background:var(--purple);color:#fff;box-shadow:0 3px 8px #6851d11a}.primary:hover{background:var(--purple-dark)}.secondary{background:white;border-color:#e2dfe9;color:#686071}.text-button{border:0;background:none;font-size:11px;color:#8a7ea4;padding:10px 8px}.text-button .icon{width:12px}.hero-actions{display:flex;align-items:center;gap:12px}.hero-art{position:relative;min-height:260px}.hero-art svg{width:100%;height:100%;position:absolute;overflow:visible}.float-box{animation:bob 5s ease-in-out infinite;transform-box:fill-box;transform-origin:center}.float-box.alt{animation-delay:-2s}.hero-art-label{position:absolute;right:26px;bottom:16px;font:8px var(--mono);color:#9b8bb9;letter-spacing:1px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);margin:21px 0 32px;border:1px solid var(--line);border-radius:9px;background:#fbfaf7;padding:15px 0}.metric{padding:0 23px;border-right:1px solid var(--line);display:flex;align-items:center;gap:13px}.metric:last-child{border:0}.metric-icon{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;background:#eeebf5;color:#9685bd;flex:none}.metric:nth-child(2) .metric-icon{background:#edf0e6;color:#89976b}.metric:nth-child(3) .metric-icon{background:#f7eee0;color:#b9a076}.metric:nth-child(4) .metric-icon{background:#f0e8ea;color:#b58b96}.metric .icon{width:16px}.metric strong{font-family:var(--display);font-size:17px;font-weight:600;line-height:1}.metric small{font-size:9px;color:#9c959b;display:block;margin-top:3px}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:20px}.section-head h2{font-size:20px}.section-head p{font-size:11px;color:#96909b;margin-top:5px}.progress-summary{font-size:9px;color:#9a939f;min-width:144px}.progress-track{height:4px;background:#e6e2e9;border-radius:10px;overflow:hidden;margin-top:6px}.progress-track span{height:100%;display:block;background:var(--purple);transition:width .4s}.filters{display:flex;gap:7px;margin-bottom:19px;flex-wrap:wrap}.filter{padding:5px 13px;border:1px solid #e2dfdc;border-radius:5px;background:transparent;font-size:10px;color:#908992;display:flex;gap:7px;align-items:center}.filter.active{background:#2c2a33;color:white;border-color:#2c2a33}.filter span{font-size:8px;opacity:.6}.modules{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.module-card{border:1px solid #e4e1dd;background:#fdfcfa;border-radius:9px;padding:20px;position:relative;transition:transform .2s,border-color .2s,box-shadow .2s}.module-card:hover{transform:translateY(-3px);box-shadow:0 8px 22px #302a4510;border-color:#c8bee6}.module-card.completed{border-color:#bed4c7}.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.card-icon{height:36px;width:36px;background:var(--tone-bg);color:var(--tone);border-radius:9px;display:grid;place-items:center}.card-icon .icon{height:20px;width:20px}.module-label{font:8px var(--mono);color:#aaa2ab;letter-spacing:1px}.module-card h3{font-size:17px;letter-spacing:-.55px;margin-bottom:8px}.module-card p{font-size:10px;line-height:1.75;color:#97909b;min-height:36px;max-width:240px}.card-tags{display:flex;gap:5px;margin:13px 0 17px}.tag{font:8px var(--mono);padding:3px 6px;border:1px solid #e9e4e8;border-radius:4px;color:#a199a8}.card-bottom{border-top:1px solid #eeeae7;padding-top:12px;display:flex;justify-content:space-between;align-items:center}.card-meta{display:flex;gap:11px;font-size:8px;color:#a69ea7}.card-meta .icon{width:10px;height:10px;margin-right:3px}.card-link{background:none;border:0;color:var(--tone);font-size:9px;display:flex;align-items:center;gap:6px;padding:3px 0}.card-link .icon{width:12px}.card-check{position:absolute;right:15px;top:15px;color:var(--green)}.bottom-banner{display:flex;align-items:center;gap:16px;border:1px dashed #d8d1e3;background:#f0edf5;padding:18px 22px;border-radius:8px;margin-top:25px}.bottom-banner>.icon{width:24px;height:24px;color:#8c7baa}.bottom-banner h3{font:500 13px var(--display);letter-spacing:-.2px}.bottom-banner p{font-size:10px;color:#9c91a8;margin-top:3px}.bottom-banner .button{margin-left:auto;font-size:10px;background:#f9f7fd;border:1px solid #ddd5e8;color:#8a76a4;flex:none}footer{max-width:1390px;margin:auto;padding:22px 43px;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-size:9px;color:#a8a1aa}.footer-dot{padding:0 6px}.page-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.page-top h1{margin-bottom:8px}.page-top p{color:var(--muted);font-size:13px}.back{display:flex;gap:7px;align-items:center;font-size:11px;color:var(--purple);margin-bottom:24px}.back .icon{width:14px}.lesson-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(240px,1fr);gap:23px}.panel{background:var(--paper);border:1px solid var(--line);border-radius:11px;padding:26px}.lesson-title{font-size:36px;max-width:650px;margin-bottom:10px}.lesson-lead{font-size:14px;color:#89828f;line-height:1.8;margin:14px 0 23px;max-width:700px}.lesson-section{margin-bottom:26px}.lesson-section h2{font-size:19px;margin-bottom:10px}.lesson-section p{font-size:13px;line-height:1.9;color:#75717f}.lesson-section code,.callout code{font:11px var(--mono);background:#f1eef8;color:#68538f;border-radius:4px;padding:2px 4px}.callout{border-left:3px solid #b19add;background:#f3eff9;padding:17px 20px;margin:20px 0;font-size:12px;color:#80728e;line-height:1.85}.callout strong{color:#645074;display:block;margin-bottom:4px}.code-block{background:#282633;color:#dcd7e7;padding:20px;border-radius:8px;font:11px/1.9 var(--mono);white-space:pre-wrap;overflow:auto;margin:17px 0}.source-link{color:var(--purple);font-size:11px;display:inline-flex;gap:7px;align-items:center;margin:8px 0}.source-link .icon{width:12px}.lesson-side{display:flex;flex-direction:column;gap:20px}.panel h3{margin-bottom:14px}.quiz-meta{font:9px var(--mono);color:var(--purple);margin-bottom:10px;letter-spacing:.7px}.quiz-question{font-size:13px;font-weight:550;margin-bottom:16px}.quiz-option{display:flex;align-items:center;gap:10px;width:100%;text-align:left;margin:8px 0;border:1px solid #e5e1ea;background:#faf9fc;border-radius:6px;padding:11px;font-size:11px;line-height:1.6;transition:.2s}.quiz-option:hover{border-color:#a993cf}.quiz-option.selected{border-color:var(--purple);background:#f0ebff}.quiz-option.correct{border-color:#83b89b;background:#eef8f2;color:#39805b}.quiz-option.wrong{border-color:#dba7a7;background:#fcf0f0;color:#a65d5d}.option-letter{width:21px;height:21px;border-radius:4px;border:1px solid #dfd8e8;display:grid;place-items:center;font:9px var(--mono);flex:none}.feedback{font-size:12px;line-height:1.8;margin-top:15px;padding:12px;background:#f0f4ef;border-radius:6px;color:#54795f}.feedback.wrong{background:#fbf2eb;color:#9c7e62}.quiz-submit{width:100%;margin-top:12px}.diagram{background:#f8f7fc;border:1px solid #e6e1ef;border-radius:8px;padding:18px;text-align:center}.diagram-label{font:9px var(--mono);color:#9a8dac;letter-spacing:.7px;margin-bottom:13px}.container-row{display:flex;gap:7px;margin-bottom:8px}.diagram-container{flex:1;border:1px solid #c7b9e1;border-radius:5px;padding:15px 6px;background:#ece5f8;color:#7a629f;font:10px var(--mono)}.diagram-kernel{background:#d8cdee;color:#74588f;padding:11px;border-radius:5px;font:10px var(--mono);margin-top:6px}.diagram-host{padding:8px;background:#ebe7ef;border-radius:5px;font:10px var(--mono);margin-top:6px;color:#8f849b}.diagram-hint{font-size:10px;color:#9b92a6;margin-top:14px}.explorer-tabs{display:flex;gap:5px;margin-bottom:12px}.explorer-tab{flex:1;border:1px solid #e2dbe9;background:#fff;color:#978ca3;padding:6px;border-radius:5px;font-size:9px}.explorer-tab.active{background:var(--purple);color:white;border-color:var(--purple)}.range-label{display:flex;justify-content:space-between;font-size:11px;color:#8a7a9c;margin-bottom:10px}input[type=range]{width:100%;accent-color:var(--purple)}.lab-layout{display:grid;grid-template-columns:minmax(250px,.8fr) minmax(0,1.8fr);gap:23px}.lab-menu{display:flex;flex-direction:column;gap:8px}.lab-choice{background:white;border:1px solid var(--line);padding:17px;border-radius:8px;text-align:left}.lab-choice.active{background:var(--lavender);border-color:#c6b8e6}.lab-choice b{font:500 13px var(--display);display:block;margin-bottom:3px}.lab-choice small{color:#8f849c;font-size:10px}.lab-instructions{margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:9px;padding:20px}.lab-instructions h3{font-size:15px;margin-bottom:10px}.lab-instructions p{font-size:11px;color:#8b8198;line-height:1.8}.objective{display:flex;gap:8px;font-size:11px;color:#8d829a;margin:12px 0}.objective .icon{width:14px;height:14px;flex:none;color:#bcb1cd}.objective.done{color:var(--green)}.objective.done .icon{color:var(--green)}.terminal{border-radius:11px;overflow:hidden;background:#24222e;box-shadow:0 8px 22px #302a4512;min-height:380px}.terminal-header{display:flex;justify-content:space-between;align-items:center;padding:15px 19px;background:#302d3c;color:#9f98b2;font:9px var(--mono)}.terminal-dots{display:flex;gap:5px}.terminal-dots i{width:7px;height:7px;border-radius:50%;background:#e38d8d}.terminal-dots i:nth-child(2){background:#e4be80}.terminal-dots i:nth-child(3){background:#8ab69a}.terminal-top-right{display:flex;align-items:center;gap:14px}.terminal-reset{background:none;border:0;color:#a79bb8;font:9px var(--mono)}.terminal-body{height:365px;overflow:auto;padding:21px;font:11px/1.9 var(--mono);color:#b8afcd}.terminal-line{white-space:pre-wrap;overflow-wrap:anywhere}.terminal-line.command{color:#eee7fb;margin-top:12px}.terminal-line.success{color:#a7d4b5}.terminal-line.error{color:#e7a0a4}.terminal-prompt{display:flex;gap:10px;align-items:center;padding:10px 21px 23px;color:#b8a1ef;font:11px var(--mono)}.terminal-prompt input{width:100%;border:0;background:transparent;color:#eee7fb;font:11px var(--mono);outline:none}.terminal-note{font-size:10px;color:#a49aaa;margin-top:14px;display:flex;gap:7px;align-items:center}.terminal-note .icon{width:13px}.suggestions{display:flex;gap:7px;flex-wrap:wrap;margin-top:15px}.command-chip{border:1px solid #e3dce8;background:#faf8fc;padding:5px 9px;border-radius:4px;color:#9888ac;font:9px var(--mono)}.command-chip:hover{border-color:#9e86c9}.challenge-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.challenge-card{background:white;border:1px solid var(--line);padding:25px;border-radius:10px;display:flex;flex-direction:column}.challenge-card .eyebrow{display:flex;justify-content:space-between}.challenge-card h2{font-size:22px;margin-bottom:10px}.challenge-card p{font-size:12px;color:#908699;margin-bottom:18px;line-height:1.8}.challenge-card .button{align-self:start;margin-top:auto}.editor{width:100%;min-height:200px;background:#282533;border:1px solid #494153;color:#ded5ee;border-radius:7px;font:11px/1.8 var(--mono);padding:16px;resize:vertical;margin:15px 0}.checks{display:flex;flex-direction:column;gap:9px;margin:14px 0}.check-row{font-size:11px;display:flex;gap:9px;align-items:start;color:#8d8098}.check-row .icon{width:14px;height:14px;flex:none}.check-row.pass{color:var(--green)}.check-row.fail{color:#b57178}.reference-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.ref-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:24px}.ref-card h2{font-size:18px;margin-bottom:15px}.ref-row{padding:12px 0;border-bottom:1px solid #f0edf2}.ref-row:last-child{border:0}.ref-command{display:flex;gap:15px;justify-content:space-between;align-items:center}.ref-command code{font:10px var(--mono);color:var(--purple)}.copy-button{border:0;background:#f2eef8;border-radius:4px;padding:4px 6px;color:#9b85b5}.copy-button .icon{width:12px;height:12px}.ref-row p{font-size:10px;color:#98909f;margin-top:5px}.ref-search{border:1px solid var(--line);border-radius:7px;background:#fff;width:100%;padding:12px 16px;font-size:12px;margin-bottom:22px}.empty-state{padding:40px;color:#a091ad;text-align:center;grid-column:1/-1}dialog{border:1px solid #dcd4e5;border-radius:13px;padding:0;background:#fcfbfe;color:var(--ink);width:min(680px,calc(100vw - 32px));max-height:85vh;box-shadow:0 24px 100px #1f162933}dialog::backdrop{background:#21192f66;backdrop-filter:blur(4px)}.modal-content{padding:30px}.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-head h2{font-size:23px}.modal-close{background:none;border:0;color:#9889aa;padding:3px}.modal-content>p{font-size:12px;color:#91839e}.search-input{border:1px solid #dfd6e9;background:white;border-radius:7px;padding:14px;width:100%;outline:none;margin-bottom:16px}.search-result{width:100%;text-align:left;border:0;background:none;display:flex;justify-content:space-between;align-items:center;padding:13px;border-radius:6px;font-size:12px}.search-result:hover{background:var(--lavender)}.search-result small{font-size:9px;color:#a090ae}.overview-steps{margin:20px 0;display:flex;flex-direction:column;gap:17px}.overview-step{display:flex;gap:16px;align-items:start}.overview-step>span{background:var(--lavender);padding:6px 11px;color:var(--purple);border-radius:5px;font:11px var(--mono)}.overview-step b{font-size:13px}.overview-step p{font-size:11px;color:#9787a1;margin-top:3px}.progress-big{font:500 50px var(--display);color:var(--purple);margin:20px 0}.progress-big small{font:12px var(--body);color:#aa9aba}.progress-details{display:flex;gap:25px;color:#9c8aa9;font-size:12px;margin-bottom:20px}.reset-progress{color:#b47d86;border:0;background:none;font-size:10px;padding:15px 0 0}#toast{position:fixed;bottom:25px;left:calc(50% + 100px);transform:translate(-50%,30px);background:#353041;color:#e9e1f4;border-radius:8px;padding:12px 20px;font-size:12px;opacity:0;pointer-events:none;z-index:60;transition:.25s;box-shadow:0 5px 20px #32234220}#toast.visible{opacity:1;transform:translate(-50%,0)}.celebrate{animation:celebrate .6s ease}.capstone-badge{background:#e9f1e8;color:#629068;padding:3px 7px;border-radius:4px;font:8px var(--mono)}
.module-card p{font-size:11px;color:#7f7589}.hero p{color:#79678f}.welcome p,.section-head p{color:#817788}.card-meta{color:#8b8092}.tag{color:#84728f}.metric small{color:#827787}.lesson-section p{color:#6e6579}.eyebrow{color:#7f738c}.course-nav a{color:#756b80}.ref-row p{color:#81728e}.diagram-hint{color:#84718f}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}@keyframes celebrate{50%{transform:scale(1.07)}}
@media(min-width:1500px){main{padding-top:45px}.hero{min-height:300px}.hero-content{padding:38px}.hero h2{font-size:46px}.module-card{padding:24px}.module-card p{font-size:11px}.sidebar{width:255px}.app{margin-left:255px}}
@media(max-height:850px){.sidebar{padding-top:23px;padding-bottom:20px}.brand{margin-bottom:30px}.course-nav a{padding-top:7px;padding-bottom:7px}.little-tip{padding:12px}.sidebar-rule{margin-top:17px;margin-bottom:17px}}
@media(max-width:1150px){.sidebar{width:215px;padding-left:13px;padding-right:13px}.app{margin-left:215px}main{padding:30px 28px}.topbar{padding:0 28px}.hero h2{font-size:34px}.hero-content{padding:27px}.hero p{max-width:290px}.metric{padding:0 15px;gap:10px}.metric small{font-size:8px}.module-card{padding:17px}.module-card h3{font-size:15px}.card-meta{gap:6px}.card-link{font-size:8px}.lesson-layout{grid-template-columns:1.3fr 1fr}.header-right{gap:15px}.search-button kbd{margin-left:5px}}
@media(max-width:950px){.modules{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{grid-template-columns:1.4fr 1fr}.hero h2{font-size:30px}.hero p{font-size:10px}.hero-art svg{width:120%;left:-30px}.hero-content{padding:25px}.hero-actions{gap:5px}.text-button{font-size:9px}.metric{padding:0 11px}.metric-icon{width:27px;height:27px}.metric strong{font-size:15px}.lesson-layout{grid-template-columns:1fr}.lesson-side{display:grid;grid-template-columns:1fr 1fr;align-items:start}.lab-layout{grid-template-columns:1fr}.lab-menu{display:grid;grid-template-columns:repeat(2,1fr)}.search-button span:not(:first-child){display:none}.search-button kbd{display:none}.challenge-grid{grid-template-columns:1fr}}
@media(max-width:720px){.sidebar{transform:translateX(-100%);transition:transform .25s;width:238px;box-shadow:8px 0 50px #2f244b15}.sidebar.open{transform:translateX(0)}.app{margin-left:0}.topbar{height:64px;padding:0 20px;position:sticky;top:0;z-index:15}.mobile-menu{display:block}.breadcrumb-home,.crumb-slash{display:none}.breadcrumb{gap:10px}.header-right{gap:12px}.xp-pill{padding-left:12px}main{padding:26px 20px}.welcome{align-items:start;gap:12px}.welcome h1{font-size:25px}.welcome p{font-size:11px}.level-tag{font-size:8px;padding:4px 7px;white-space:nowrap}.hero{min-height:240px}.hero-content{padding:24px}.hero h2{font-size:32px}.hero-art svg{width:135%;left:-35px}.hero-art-label{display:none}.hero-actions{flex-wrap:wrap}.hero p{max-width:240px}.metrics{grid-template-columns:repeat(2,1fr);row-gap:17px;padding:17px 0;margin-bottom:27px}.metric{padding-left:20px}.metric:nth-child(2){border:0}.metric small{font-size:9px}.metric strong{font-size:17px}.module-card{padding:18px}.module-card h3{font-size:17px}.bottom-banner{padding:17px;flex-wrap:wrap;gap:12px}.bottom-banner .button{margin-left:38px}.section-head{align-items:start}.section-head h2{font-size:19px}.progress-summary{min-width:115px;font-size:8px}footer{padding:20px;font-size:8px}#toast{left:50%;min-width:240px;text-align:center}.lesson-title{font-size:29px}.page-top h1{font-size:29px}.page-top{gap:15px}.page-top p{font-size:11px}.reference-grid{grid-template-columns:1fr}.panel{padding:20px}.lesson-side{grid-template-columns:1fr}.modal-content{padding:23px}.code-block{font-size:10px}.ref-command code{overflow-wrap:anywhere}}
@media(max-width:470px){.hero{grid-template-columns:1fr;min-height:330px}.hero-content{padding:24px 22px}.hero h2{font-size:34px}.hero p{max-width:230px}.hero-art{position:absolute;width:190px;height:200px;min-height:0;right:-40px;bottom:-8px;opacity:.75;pointer-events:none}.hero-art svg{width:100%;left:0}.hero-actions{margin-top:10px;position:relative;z-index:3}.modules{grid-template-columns:1fr}.module-card p{max-width:100%;min-height:0;font-size:11px}.module-card h3{font-size:19px}.card-top{margin-bottom:12px}.card-tags{margin-top:12px}.card-meta{font-size:9px}.card-link{font-size:10px}.welcome{display:block}.level-tag{display:inline-flex;margin-top:13px}.section-head{flex-wrap:wrap;gap:12px}.progress-summary{width:100%}.hero p{font-size:11px}.hero-label{font-size:8px}.filter{padding:6px 10px}.bottom-banner p{font-size:9px}.avatar{display:none}.lab-menu{grid-template-columns:1fr 1fr}.terminal-body{font-size:10px;padding:16px}.terminal-header{padding:13px}.terminal-top-right{gap:8px}.terminal-header{font-size:8px}.terminal-prompt{font-size:10px;padding-left:16px}.page-top{flex-wrap:wrap}.modal-head h2{font-size:21px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}