@charset "UTF-8";
:root{--bg:#f6f3ed;--paper:#fffcf6;--ink:#303843;--muted:#818a91;--border:#dedfd7;--orange:#e88143;--green:#4d907a;--code:#283039;--code-text:#d9dfdf;color-scheme:light}
*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Segoe UI",Arial,sans-serif;font-size:14px;min-width:320px}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;transition:background .18s,box-shadow .18s}button:disabled{opacity:.45;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--orange);outline-offset:3px}a{color:inherit;text-decoration:none}.page{max-width:1380px;margin:auto;padding:0 44px}.site-header{height:86px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid 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22px;gap:16px}.catalogue-caption h2{font-size:18px;font-weight:600;margin:0}.catalogue-caption span{font-size:11px;color:var(--muted)}.topic-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.topic-card{border:1px solid var(--border);border-radius:15px;background:var(--paper);padding:24px;min-height:218px;display:flex;flex-direction:column;position:relative;transition:transform .2s,border-color .2s,box-shadow .2s}.topic-card:hover{transform:translateY(-3px);border-color:#d9ad8b;box-shadow:0 8px 20px #776c5d08}.topic-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:21px}.topic-icon{width:39px;height:39px;display:flex;align-items:center;justify-content:center;border-radius:10px;background:#f6e5d6;color:#b6764e;font-size:23px;font-weight:600}.topic-number{font:11px Consolas,monospace;color:#a4aaa9}.topic-card h3{font-size:19px;font-weight:650;margin:0 0 9px}.topic-card p{font-size:12px;color:var(--muted);line-height:1.7;margin:0 0 19px;max-width:280px}.topic-card-bottom{display:flex;justify-content:space-between;margin-top:auto;font-size:10px;color:#ad8161}.topic-card-bottom span:last-child{font-size:18px;line-height:10px}.catalogue-note{display:flex;align-items:center;gap:19px;margin:29px 0 42px;padding:20px 23px;border:1px dashed #d7d6ca;border-radius:13px}.catalogue-note>span{color:#c98e62;font-size:27px}.catalogue-note p{font-size:12px;line-height:1.8;color:#89908c;margin:0}.game-heading{display:flex;justify-content:space-between;align-items:center;gap:25px;padding:24px 0 25px}.back-link{display:inline-block;font-size:11px;color:#969b98;margin-bottom:21px}.game-heading .eyebrow{font-size:9px;margin-bottom:10px}.game-heading h1{font-size:34px;letter-spacing:-1.1px}.game-summary{font-size:12px;color:var(--muted);line-height:1.7;margin:11px 0 0}.mode-switch{display:flex;align-items:stretch;border:1px solid #deded6;background:#eaece3;border-radius:11px;padding:5px;flex-shrink:0}.mode-switch 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26px;margin-top:12px}.practice-header{display:flex;align-items:center;justify-content:space-between;gap:20px}.practice .eyebrow{font-size:8px;margin-bottom:7px}.practice h2{font-size:20px;letter-spacing:-.3px;font-weight:600;margin:0}.task-tabs{display:flex;gap:5px;padding:4px;background:#eeeee5;border-radius:9px}.task-tabs button{border:0;border-radius:6px;background:transparent;padding:10px 12px;font-size:10px;color:#8a938a}.task-tabs button.selected{background:#fffaf2;color:#b4784e;box-shadow:0 1px 5px #60612f08}.task-goal{font-size:12px;line-height:1.8;margin:20px 0;color:#828c7e}.parameter-fields{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.field{display:flex;flex-direction:column;gap:8px;min-width:0}.field label,.repair-field label{font-size:10px;color:#7b8376;font-weight:600}.field input,.field select,.repair-field select{width:100%;min-width:0;border:1px solid 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a:hover{color:#be7c4e}footer{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--border);padding:23px 0 29px;font-size:9px;color:#9ca092}.is-learn .code-card{border-color:#a896b2}.is-learn .scene-column{position:sticky;top:15px}@keyframes arm{50%{transform:rotate(-10deg)}}
@media(max-width:1100px){.game-heading{flex-wrap:wrap}.parameter-fields{grid-template-columns:repeat(3,minmax(0,1fr))}.practice-header{flex-wrap:wrap}.catalogue-intro{padding-right:35px}.hero-bubble{left:96px;font-size:11px}.code-line code{font-size:10px}}
@media(max-width:900px){.page{padding:0 25px}.topic-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.game-workspace{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:15px}.controls{padding:13px}.controls>label{width:100%}.code-line code{font-size:9px}.line-number{width:26px;padding-right:7px}.catalogue-intro{padding:40px 30px 42px 0}.hero-robot{transform:scale(.8) rotate(-5deg);margin-left:-30px;margin-right:-25px}.catalogue-intro h1{font-size:39px}.intro-text{font-size:12px}.game-heading h1{font-size:30px}}
@media(max-width:700px){.page{padding:0 15px}.site-header{height:69px}.brand{font-size:17px}.brand-mark{width:38px;height:38px;font-size:20px}.header-links{gap:10px;font-size:10px}.offline-badge{font-size:9px;padding:7px}.catalogue-intro{padding:34px 0 28px;gap:0}.catalogue-intro h1{font-size:35px}.catalogue-intro .eyebrow{font-size:8px;letter-spacing:1.1px}.intro-text{font-size:11px;max-width:360px}.hero-robot{display:none}.catalogue-caption{padding-bottom:17px}.catalogue-caption h2{font-size:16px}.catalogue-caption span{font-size:9px}.topic-cards{gap:10px}.topic-card{padding:17px 15px;min-height:215px}.topic-card h3{font-size:16px;line-height:1.35}.topic-card p{font-size:10px;line-height:1.8}.topic-card-bottom{font-size:8px;gap:6px}.topic-card-top{margin-bottom:16px}.topic-icon{width:33px;height:33px;font-size:20px}.topic-number{font-size:9px}.catalogue-note{margin:22px 0 29px;padding:16px;gap:12px}.catalogue-note p{font-size:10px}.game-heading{display:block;padding:21px 0}.back-link{margin-bottom:17px}.game-heading h1{font-size:29px}.game-summary{font-size:11px}.mode-switch{margin-top:18px;max-width:450px}.mode-switch button{flex:1;padding:11px 9px;font-size:10px}.game-workspace{grid-template-columns:minmax(0,1fr)}.is-learn .scene-column{position:relative;top:0;order:2}.is-learn .code-card{order:1}.scene-bar{padding:0 12px;font-size:8px;height:36px}.scene-bar span:last-child{font-size:9px}.scene-description{font-size:10px;padding:10px 12px}.code-line code{font-size:11px}.line-number{width:32px;padding-right:10px}.controls{padding:14px 12px 18px}.controls>label{width:auto}.control-buttons{gap:6px}.primary,.secondary{padding:11px 12px;font-size:10px}.quiet{font-size:10px;padding:10px 6px}.action-note{font-size:11px;min-height:0}.question-panel{padding:15px}.question-heading h2{font-size:13px}.practice{padding:21px 17px}.practice h2{font-size:18px}.task-tabs{display:flex;width:100%;margin-top:2px}.task-tabs button{flex:1;padding:10px 7px;font-size:9px}.task-goal{font-size:11px;margin:17px 0}.parameter-fields{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.field label{font-size:9px;line-height:1.5}.field input,.field select{font-size:11px;padding:10px}.repair-field{grid-template-columns:minmax(0,1fr);gap:10px}.repair-field small{grid-column:1}.repair-field select{font-size:10px}.form-footer{gap:10px}.form-footer .primary{font-size:10px}.topic-navigation{font-size:9px;gap:8px;line-height:1.6}.topic-navigation a:nth-child(2){white-space:nowrap}footer{font-size:8px;line-height:1.7;align-items:flex-start}footer>span:last-child{text-align:right;max-width:145px}.code-help p{font-size:11px}.code-help h2{font-size:14px}}
@media(max-width:370px){.page{padding:0 12px}.header-links>a{display:none}.catalogue-intro h1{font-size:31px}.topic-card{padding:15px 12px}.topic-card h3{font-size:14px}.topic-card-bottom{font-size:7px}.catalogue-caption{align-items:flex-start;gap:8px}.catalogue-caption span{text-align:right;max-width:120px;line-height:1.5}.code-line code{font-size:10px}.task-tabs button{font-size:8px;padding:10px 5px}.controls>label{width:100%}.practice{padding:19px 14px}.parameter-fields{gap:11px}.game-heading h1{font-size:26px}.mode-switch button{font-size:9px}.scene-bar span:last-child{max-width:40%}.form-footer .quiet{padding-left:0}.form-footer{align-items:flex-start}.topic-navigation a{max-width:90px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Keep secondary text readable at the small sizes used around the scene. */
:root{--muted:#69766f}
.intro-text,.game-summary,.topic-card p,.catalogue-note p,.task-goal{color:#69766f}
.field label,.repair-field label,.scene-description,.action-note{color:#66765f}
.back-link,.topic-navigation,.header-links,footer{color:#747c6f}
.value-type{color:#8da29f;font-size:9px}
@media(min-width:1101px){.code-line code{font-size:12px}.code-line{min-height:28px}}