:root{color-scheme:light;--ink: #111827;--ink-soft: #354052;--paper: #f3f1ea;--card: #fffef9;--line: #d9d5ca;--acid: #d8ff61;--acid-dark: #9bc61d;--blue: #b8d9ff;--red: #e75b52;--amber: #e7a83e;--green: #4e9b66;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none}*{box-sizing:border-box}html{max-width:100%;overflow-x:clip}body{margin:0;min-width:320px;max-width:100%;min-height:100vh;overflow-x:clip;color:var(--ink);background:var(--paper)}#app{max-width:100%;overflow-x:clip}button,textarea,select{font:inherit}button{color:inherit}.boot-screen,.fatal{min-height:100vh;display:grid;place-content:center;text-align:center;gap:14px}.boot-mark{width:72px;height:72px;border-radius:20px;display:grid;place-items:center;margin:auto;background:var(--ink);color:var(--acid);font-weight:900;letter-spacing:-.08em}.fatal button{border:0;background:var(--ink);color:#fff;padding:12px 18px;border-radius:10px}.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,4vw,64px);border-bottom:1px solid var(--line);background:#f3f1eaf5;position:sticky;top:0;z-index:20}.brand{display:flex;gap:12px;align-items:center;color:inherit;text-decoration:none}.brand-mark{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--ink);color:var(--acid);font-weight:900;letter-spacing:-.07em}.brand strong{display:block;font-size:20px;line-height:1}.brand small{display:block;margin-top:5px;color:#737a86;font-size:11px;letter-spacing:.04em}.topbar-actions{min-width:0;display:flex;align-items:center;gap:24px}.context-controls{min-width:0;display:flex;align-items:center;gap:8px}.context-control{display:grid;gap:3px;color:#727984;font-size:9px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.context-control select{min-width:92px;height:34px;border:1px solid #c9c5bb;border-radius:8px;padding:0 28px 0 9px;background:var(--card);color:var(--ink);font-size:11px;font-weight:750;letter-spacing:0;text-transform:none;cursor:pointer}.context-control:first-child select{min-width:154px}.top-help{display:inline-flex;align-items:center;gap:7px;border:1px solid #c9c5bb;background:var(--card);border-radius:9px;padding:9px 12px;font-size:12px;font-weight:800;cursor:pointer}.top-help span{width:20px;height:20px;display:grid;place-items:center;border-radius:6px;background:var(--ink);color:var(--acid);font-size:11px}.workbench-help span{width:28px}.top-help:hover{background:#ebe8df}.progress-wrap{width:min(260px,36vw)}.progress-copy{display:flex;justify-content:space-between;align-items:baseline;font-size:12px;color:#6f7680;margin-bottom:8px}.progress-copy strong{color:var(--ink)}.progress-track{height:6px;border-radius:99px;background:#dedbd2;overflow:hidden}.progress-track span{height:100%;display:block;border-radius:inherit;background:var(--ink);transition:width .25s ease}.home-topbar{position:relative}.home-language{margin-left:auto}.home-language select{min-width:72px}.home-main{width:min(1240px,100%);min-height:calc(100vh - 130px);display:block;padding:clamp(26px,4vw,48px) clamp(20px,5vw,68px) 62px}.path-home{display:grid;gap:26px}.path-intro{max-width:790px}.path-intro .eyebrow{margin-bottom:14px}.path-intro h1{max-width:660px;margin:0;font-size:clamp(36px,4.8vw,58px);line-height:.98;letter-spacing:-.06em}.path-intro p{max-width:710px;margin:14px 0 0;color:#5d6570;font-size:17px;line-height:1.55}.path-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.path-card{position:relative;min-height:430px;overflow:hidden;display:flex;flex-direction:column;align-items:flex-start;border:1px solid var(--line);border-radius:18px;padding:25px;color:var(--ink);background:var(--card);text-align:left;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.path-card:before{content:"";position:absolute;inset:0 0 auto;height:7px;background:var(--acid)}.path-card:hover{transform:translateY(-4px);border-color:#a9a59b;box-shadow:0 18px 40px #1118271c}.path-card:focus-visible{outline:3px solid #266fa9;outline-offset:3px}.path-advanced:before{background:#6dacdf}.path-pro{border-color:#273244;color:#fff;background:var(--ink)}.path-pro:before{background:var(--acid)}.path-pro:hover{border-color:#111827;box-shadow:0 18px 46px #1118273d}.path-number{color:#858c96;font:700 13px ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.08em}.path-pro .path-number{color:#a8b2c2}.path-kicker{margin-top:40px;color:#566573;font-size:14px;font-weight:800}.path-pro .path-kicker{color:var(--acid)}.path-card>strong{display:block;margin-top:8px;font-size:clamp(30px,3vw,42px);letter-spacing:-.05em;line-height:1}.path-card>p{margin:17px 0 23px;color:#606975;font-size:15px;line-height:1.6}.path-pro>p{color:#c4ccd8}.path-topics{display:flex;flex-wrap:wrap;gap:7px}.path-topics>span{border:1px solid #d8d5cc;border-radius:999px;padding:6px 9px;background:#f1efe8;color:#505965;font-size:12px;font-weight:750}.path-pro .path-topics>span{border-color:#3c485a;background:#202c3d;color:#d8e0eb}.path-card-footer{width:100%;margin-top:auto;padding-top:30px;display:flex;justify-content:space-between;gap:12px;align-items:center;color:#6a727e;font-size:13px}.path-card-footer b{color:var(--ink);font-size:14px}.path-pro .path-card-footer{color:#aab5c4}.path-pro .path-card-footer b{color:var(--acid)}.path-note{display:flex;align-items:center;gap:9px;margin:-4px 0 0;color:#676f7a;font-size:14px;line-height:1.5}.path-note span{flex:0 0 auto;width:23px;height:23px;display:grid;place-items:center;border-radius:50%;background:#dbe8f4;color:#244c70;font:800 13px Georgia,serif}main{width:min(1480px,100%);margin:0 auto;display:grid;grid-template-columns:280px minmax(0,1fr);align-items:start}.lesson-rail{position:sticky;top:72px;height:calc(100vh - 72px);overflow-y:auto;padding:28px 24px 40px;border-right:1px solid var(--line)}.eyebrow{display:block;margin-bottom:12px;color:#4c5b23;font-size:11px;text-transform:uppercase;letter-spacing:.13em;font-weight:800}.rail-heading h1{font-size:clamp(24px,2.2vw,31px);letter-spacing:-.055em;line-height:1.02;margin:0 0 12px;max-width:240px}.rail-heading p{margin:0;color:#646b75;font-size:13px;line-height:1.6}.dataset-badges{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}.dataset-badges span{border-radius:999px;background:#dff0b5;color:#304a16;padding:5px 8px;font-size:9px;font-weight:900;letter-spacing:.06em}.dataset-source{display:inline-block;margin-top:9px;color:#405b78;font-size:10px;line-height:1.45}.levels{display:grid;gap:4px;margin-top:24px}.phase-label{margin:20px 10px 4px;color:#858b94;font-size:10px;font-weight:850;text-transform:uppercase;letter-spacing:.12em}.phase-label:first-child{margin-top:0}.level{width:100%;border:0;background:transparent;display:grid;grid-template-columns:34px 1fr;text-align:left;gap:10px;align-items:center;padding:9px 10px;border-radius:10px;cursor:pointer;transition:background .15s ease}.level:hover{background:#e8e5dc}.level.active{background:var(--ink);color:#fff}.level-number{width:28px;height:28px;border:1px solid #c7c3b9;border-radius:8px;display:grid;place-items:center;font:700 10px ui-monospace,SFMono-Regular,Consolas,monospace}.level.active .level-number{border-color:#4b5565;color:var(--acid)}.level.done:not(.active) .level-number{border-color:#b2cc62;background:#e7f8b3}.level small{display:block;font-size:9px;text-transform:uppercase;letter-spacing:.1em;opacity:.58;margin-bottom:2px}.level span:last-child{font-size:12px;font-weight:700}.workbench{width:100%;max-width:100%;padding:24px clamp(20px,3.5vw,48px) 54px;min-width:0}.notebook-stack{display:grid;gap:12px}.notebook-cell{display:grid;grid-template-columns:68px minmax(0,1fr);gap:10px;min-width:0}.cell-prompt{padding-top:11px;color:#9298a1;text-align:right;font:12px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:nowrap}.cell-body{min-width:0;max-width:100%;overflow-wrap:anywhere}.challenge-card{max-width:none;margin-bottom:14px}.challenge-meta{min-width:0;display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:#69717c}.status-pill{padding:5px 9px;border-radius:99px;background:#e2dfd7;color:var(--ink-soft);letter-spacing:.03em;text-transform:none}.status-pill.success{background:#dff3c0;color:#294e1c}.challenge-title-row{min-width:0;display:flex;align-items:center;justify-content:space-between;gap:18px}.challenge-card h2{margin:8px 0 4px;font-size:clamp(24px,3vw,32px);letter-spacing:-.045em;line-height:1.05}.brief{margin:0 0 10px;color:#69717b;font-size:14px}.task{background:var(--card);border:0;border-left:4px solid #d9d9d9;padding:9px 16px}.task p{margin:0;overflow-wrap:anywhere;font-size:15px;line-height:1.5}.concept-inline{margin-top:9px;color:#526071;font-size:12px;line-height:1.45}.concept-inline b{color:#234f77}.concept-row{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.info-button{flex:0 0 auto;margin-top:6px;border:1px solid #b7c9dc;border-radius:7px;background:#edf5fc;color:#244c70;padding:6px 9px;font-size:11px;font-weight:800;cursor:pointer}.info-button span,.syntax-guide-title>span,.error-explanation summary span{display:inline-grid;place-items:center;width:18px;height:18px;margin-right:5px;border-radius:50%;background:#244c70;color:#fff;font:800 11px Georgia,serif}.info-button:hover{background:#dfeefa}.syntax-guide{margin-top:9px;border:1px solid #a9c7e4;background:#edf6ff;padding:13px 14px}.syntax-guide-title{display:flex;align-items:flex-start;gap:7px}.syntax-guide-title>span{flex:0 0 auto;margin:0}.syntax-guide-title strong{display:block;font-size:12px}.syntax-guide-title p{margin:3px 0 0;color:#536578;font-size:11px;line-height:1.45}.syntax-guide pre{overflow-x:auto;margin:11px 0 8px;border:1px solid #c4d8ea;background:#f8fbfe;padding:11px 12px;color:#17293c;font:12px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace}.syntax-reading{margin:0;color:#536578;font-size:11px;line-height:1.45}.error-explanation{margin-top:9px;border-top:1px solid rgba(120,34,20,.18);padding-top:8px}.error-explanation summary{color:#782214;font-size:11px;font-weight:800;cursor:pointer}.error-explanation summary span{width:17px;height:17px;background:#a63c2e}.error-explanation dl{margin:9px 0 0;display:grid;gap:6px}.error-explanation dl div{display:grid;grid-template-columns:52px 1fr;gap:7px}.error-explanation dt{font-size:10px;font-weight:900;text-transform:uppercase;letter-spacing:.06em}.error-explanation dd{margin:0;font-size:11px;line-height:1.45}.editor-shell{background:#fafafa;border:1px solid #cfd4da;border-radius:4px;overflow:hidden;box-shadow:none}.editor-bar{height:32px;border-bottom:1px solid #d8dce1;display:flex;align-items:center;justify-content:space-between;padding:0 12px;color:#737b86;background:#f1f2f3;font:11px ui-monospace,SFMono-Regular,Consolas,monospace}.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px}.dot.red{background:#e4665e}.dot.amber{background:#e3ad48}.dot.green{background:#65ac76}.filename{color:#57606d}.shortcut{border:1px solid #cbd0d6;border-radius:4px;padding:3px 6px;background:#fff}.editor-area{min-height:150px;display:grid;grid-template-columns:48px 1fr;background:#fbfbfb}.line-numbers{padding:14px 13px;background:#f0f1f2;color:#949ba4;font:13px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;text-align:right;overflow:hidden;-webkit-user-select:none;user-select:none;border-right:1px solid #dfe2e5}.line-numbers span{display:block}#sql-editor{width:100%;min-height:150px;max-height:340px;resize:vertical;border:0;outline:0;padding:14px 16px;background:transparent;color:#202631;caret-color:#1367a5;font:14px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;tab-size:2}#sql-editor::selection{background:#c9e4ff}.editor-shell:focus-within{border-color:#4c9a56;box-shadow:0 0 0 1px #4c9a56}.editor-actions{border-top:1px solid #d8dce1;display:flex;justify-content:space-between;align-items:center;padding:0;gap:10px;background:#f2f3f4}.editor-actions>div{display:flex;gap:8px}.button{border:0;border-left:1px solid #d6d9dd;border-radius:0;padding:8px 13px;font-size:12px;font-weight:700;cursor:pointer}.button.ghost{background:transparent;color:#364152}.button.secondary{color:#253142;background:#e7e9ec}.button.primary{color:#111827;background:var(--acid)}.button:hover{filter:brightness(1.05)}.button:disabled{cursor:default;filter:none}.connection-workspace{display:grid;gap:12px}.environment-card,.notebook-card{border-radius:4px}.environment-card{border:1px solid #c9c5ba;background:var(--card);padding:24px}.environment-heading{display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:12px}.environment-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;background:var(--ink);color:var(--acid);font:900 11px ui-monospace,SFMono-Regular,Consolas,monospace}.environment-heading small,.notebook-copy small{display:block;color:#747b85;font-size:10px;text-transform:uppercase;letter-spacing:.1em;margin-bottom:4px}.environment-heading strong,.notebook-copy strong{display:block;font-size:14px}.connection-status{padding:6px 9px;border-radius:99px;background:#eee3d5;color:#7c5732;font-size:10px;font-weight:850}.connection-status.online{background:#e0f2c0;color:#2f571d}.environment-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin:22px 0 16px;background:var(--line);border:1px solid var(--line)}.environment-facts div{background:#f6f4ed;padding:12px 14px}.environment-facts dt{color:#858b94;font-size:9px;text-transform:uppercase;letter-spacing:.08em}.environment-facts dd{margin:4px 0 0;font:700 12px ui-monospace,SFMono-Regular,Consolas,monospace}.environment-card>p{color:#626a75;font-size:12px;line-height:1.55;margin:0 0 18px}.connection-button{width:100%;padding:12px 15px}.connection-button:disabled{background:#dff3b0;color:#294b20}.environment-strip{min-width:0;display:flex;flex-wrap:wrap;gap:8px 20px;margin-bottom:8px;padding:8px 12px;border:1px solid #d9dde1;background:#f7f7f7;color:#56606d;font:11px ui-monospace,SFMono-Regular,Consolas,monospace}.environment-strip span{min-width:0;overflow-wrap:anywhere}.environment-strip b{color:#1f2937}.notebook-card{overflow:hidden;background:#fafafa;color:#202631;border:1px solid #cfd4da}.notebook-copy{padding:18px 20px 14px;border-bottom:1px solid #273143}.notebook-copy small{color:#8290a3}.notebook-card pre{max-width:100%;margin:0;padding:14px 16px;overflow-x:auto;overscroll-behavior-inline:contain;font:13px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace}.code-muted{color:#8a919a}.code-keyword{color:#138a28;font-weight:800}.connection-output{min-width:0;min-height:74px;display:flex;align-items:center;overflow-wrap:anywhere;border:1px dashed #cfd4da;padding:15px 18px;color:#6a727c;background:#fff;font:12px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace}.connection-output.online{border-style:solid;border-color:#a8c97d;color:#24571d;background:#f4faeb}.language-split{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:#2a3547;border-top:1px solid #2a3547}.language-split span{background:#182130;padding:12px 14px;color:#aeb8c7;font-size:10px;line-height:1.45}.language-split b{display:block;color:var(--acid);font-size:9px;text-transform:uppercase;letter-spacing:.09em;margin-bottom:3px}.feedback{margin:0 0 8px;border:1px solid var(--line);display:grid;grid-template-columns:30px 1fr;gap:10px;align-items:start;padding:9px 12px;background:var(--card)}.feedback-icon{width:28px;height:28px;display:grid;place-items:center;border-radius:8px;background:#e6e3dc;font-weight:900}.feedback.correct{border-color:#9fc274;background:#f2fae7}.feedback.correct .feedback-icon{background:#cfea9c}.feedback.error{border-color:#dfa6a0;background:#fff2f0}.feedback.error .feedback-icon{background:#f4c0bb}.feedback.warning{border-color:#e2c47c;background:#fff9e9}.feedback.warning .feedback-icon{background:#f4da93}.feedback strong{display:block;font-size:13px}.feedback p{margin:2px 0 0;color:#59616c;font-size:11px;line-height:1.45}.learning-tools{display:grid;grid-template-columns:.9fr 1.1fr;gap:12px;margin-top:14px}.tool-card,.concept-card{min-height:76px;border:1px solid var(--line);background:#e9e6de;padding:13px 15px;display:grid;grid-template-columns:36px 1fr;gap:10px;align-items:start;text-align:left}.tool-card{cursor:pointer}.tool-card:hover:not(:disabled){background:#e2dfd6}.tool-card:disabled{opacity:.58;cursor:default}.concept-card{background:var(--blue);border-color:#9fc1e9}.tool-icon{width:30px;height:30px;border-radius:9px;background:var(--card);display:grid;place-items:center;font-weight:900}.tool-card strong,.concept-card strong{display:block;font-size:12px;margin-bottom:4px}.tool-card small,.concept-card small{display:block;color:#5b6370;font-size:11px;line-height:1.4}.hints{border:1px solid #d3c07a;border-top:0;background:#fff9e9;padding:12px 16px}.hints p{margin:7px 0;display:grid;grid-template-columns:24px 1fr;gap:8px;font-size:12px;line-height:1.5}.hints p span{width:19px;height:19px;border-radius:50%;background:#ead487;display:grid;place-items:center;font-size:10px;font-weight:800}.text-button{border:0;padding:4px 0;color:#39537a;background:transparent;text-decoration:underline;font-size:11px;cursor:pointer}.solution{overflow-x:auto;background:#161f2e;color:#edf2f8;padding:15px;border-radius:8px;font:12px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace}.inline-hints{border:1px solid #d9c177;border-top:0;background:#fff9e7;padding:8px 13px}.inline-hints p{margin:5px 0;display:grid;grid-template-columns:22px 1fr;gap:8px;font-size:12px;line-height:1.45}.inline-hints p span{width:18px;height:18px;display:grid;place-items:center;border-radius:50%;background:#ead487;font-size:10px;font-weight:800}.solution-heading{display:block;margin:6px 0 7px;font-size:11px;color:#705c21}.solution-action.active{background:#dcecff;color:#173f68}.output-cell{margin-top:2px}.data-lab{margin:0;border:1px solid var(--line);background:var(--card);min-height:140px}.lab-tabs{height:38px;border-bottom:1px solid var(--line);display:flex;gap:4px;padding:0 10px}.lab-tab{border:0;border-bottom:2px solid transparent;background:transparent;padding:0 10px;font-size:12px;font-weight:750;color:#777d86;cursor:pointer}.lab-tab.active{color:var(--ink);border-bottom-color:var(--ink)}.lab-tab span{margin-left:5px;background:#e7e4db;border-radius:99px;padding:2px 6px;font-size:9px}.lab-panel.hidden{display:none}.empty-state{min-height:105px;display:grid;place-items:center;align-content:center;gap:3px;color:#7d838c;text-align:center}.empty-state>span{font-size:20px;color:#aaa79f}.empty-state strong{color:#555e6a;font-size:12px}.empty-state p{margin:0;font-size:11px}.result-meta{display:flex;gap:18px;padding:9px 13px 5px;color:#39424d;font:11px ui-monospace,SFMono-Regular,Consolas,monospace}.result-scroll{overflow:auto;max-height:320px}table{width:100%;border-collapse:collapse;font:12px ui-monospace,SFMono-Regular,Consolas,monospace}th{position:sticky;top:0;background:#ece9e1;text-align:left;color:#555d69;font-size:10px;text-transform:uppercase;letter-spacing:.05em}th,td{padding:11px 14px;border-bottom:1px solid #e7e3da;white-space:nowrap}tbody tr:hover{background:#f6f4ee}td.null{color:#9b6b77;font-style:italic}.schema-layout{display:grid;grid-template-columns:210px 1fr;min-height:250px}.table-list{border-right:1px solid var(--line);padding:10px}.schema-table{border:0;width:100%;display:flex;justify-content:space-between;padding:9px 10px;background:transparent;border-radius:7px;font:11px ui-monospace,SFMono-Regular,Consolas,monospace;cursor:pointer}.schema-table small{color:#9398a0}.schema-table.active{background:#e6e3db;font-weight:800}.schema-detail{padding:20px 24px}.schema-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.schema-title strong{font:14px ui-monospace,SFMono-Regular,Consolas,monospace}.schema-detail ul{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}.schema-detail li{display:flex;justify-content:space-between;gap:20px;padding:9px 0;border-bottom:1px solid #ebe8e0;font:11px ui-monospace,SFMono-Regular,Consolas,monospace}.schema-detail li small{color:#8a9098}footer{border-top:1px solid var(--line);min-height:58px;padding:0 clamp(20px,4vw,64px);display:flex;align-items:center;justify-content:space-between;color:#7b818a;font-size:10px}.help-overlay{position:fixed;inset:0;z-index:80;display:flex;justify-content:flex-end;background:#0a101b80;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.help-drawer{width:min(520px,100%);height:100%;overflow-y:auto;background:var(--card);padding:30px clamp(22px,5vw,42px) 48px;box-shadow:-20px 0 70px #1118273d}.help-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding-bottom:20px;border-bottom:1px solid var(--line)}.help-heading .eyebrow{margin-bottom:7px}.help-heading h2{margin:0;font-size:28px;letter-spacing:-.045em}.help-close{width:38px;height:38px;border:1px solid var(--line);border-radius:10px;background:#f0ede5;font-size:24px;line-height:1;cursor:pointer}.help-drawer h3{margin:26px 0 13px;font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:#626a74}.help-section{display:grid;grid-template-columns:34px 1fr;gap:12px;border:1px solid var(--line);background:#efede6;padding:14px;margin-top:18px}.help-section strong{display:block;font-size:12px}.help-section p{margin:5px 0 0;color:#59616c;font-size:11px;line-height:1.55}.help-section code{font:11px ui-monospace,SFMono-Regular,Consolas,monospace}.help-number{width:28px;height:28px;display:grid;place-items:center;border-radius:8px;background:var(--ink);color:var(--acid);font:900 11px ui-monospace,SFMono-Regular,Consolas,monospace}.current-context{background:var(--blue);border-color:#9fc1e9}.warning-note{background:#fff4d9;border-color:#dfc27b}.dialect-note{background:#eef6df;border-color:#b4cb83}.ritual-list{list-style:none;margin:0;padding:0;border:1px solid var(--line)}.ritual-list li{display:grid;grid-template-columns:32px 1fr;gap:11px;padding:13px 14px;border-bottom:1px solid var(--line)}.ritual-list li:last-child{border-bottom:0}.ritual-list li>span{width:27px;height:27px;display:grid;place-items:center;border:1px solid #c8c4b9;border-radius:8px;font:800 10px ui-monospace,SFMono-Regular,Consolas,monospace}.ritual-list strong{display:block;font-size:12px}.ritual-list code{display:block;margin:4px 0 3px;color:#284461;font:11px ui-monospace,SFMono-Regular,Consolas,monospace}.ritual-list small{display:block;color:#767d86;font-size:10px;line-height:1.4}.workbench-drawer{width:min(650px,100%)}.workbench-steps{list-style:none;margin:22px 0 0;padding:0;border:1px solid var(--line)}.workbench-steps li{display:grid;grid-template-columns:32px 1fr;gap:13px;padding:15px;border-bottom:1px solid var(--line)}.workbench-steps li:last-child{border-bottom:0}.workbench-steps li>span{width:28px;height:28px;display:grid;place-items:center;border-radius:7px;background:#e9ecef;color:#263241;font:800 11px ui-monospace,SFMono-Regular,Consolas,monospace}.workbench-steps strong{display:block;font-size:13px}.workbench-steps p{margin:4px 0 0;color:#606874;font-size:12px;line-height:1.5}.workbench-steps code{font:11px ui-monospace,SFMono-Regular,Consolas,monospace;color:#254e72}.download-sql{display:inline-flex;margin-top:10px;border-radius:7px;background:var(--ink);color:#fff;padding:9px 12px;font-size:12px;font-weight:800;text-decoration:none}.download-sql:hover{background:#283446}.workbench-code{margin:0;padding:16px 18px;overflow-x:auto;border:1px solid #cfd4da;background:#f5f6f7;color:#1e2835;font:12px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace}.exercise-navigation{display:flex;flex:0 0 auto;align-items:center;gap:7px}.exercise-navigation .button{white-space:nowrap}.exercise-navigation .button:disabled{opacity:.42;cursor:default}@media(max-width:900px){.topbar{height:auto;min-height:72px;flex-wrap:wrap;gap:10px;padding-block:10px}.topbar-actions{flex:1;justify-content:flex-end;gap:10px}.context-control>span{display:none}main{grid-template-columns:1fr}.lesson-rail{position:static;height:auto;min-height:0;overflow:visible;border-right:0;border-bottom:1px solid var(--line);padding:24px 22px 18px}.rail-heading h1{max-width:none}.levels{display:flex;overflow-x:auto;padding-bottom:5px;margin-top:22px}.phase-label{display:none}.level{flex:0 0 170px}.workbench{padding:22px 18px 48px}.home-main{display:block;padding-top:46px}.path-grid{grid-template-columns:1fr}.path-card{min-height:340px}}@media(max-width:620px){.topbar{min-height:72px;display:grid;grid-template-columns:1fr;gap:8px;padding:9px 12px}.brand{gap:9px}.brand-mark{width:40px;height:40px;border-radius:11px;font-size:14px}.brand strong{font-size:19px}.brand small,.progress-copy span{display:none}.topbar-actions{width:100%;max-width:100%;min-width:0;flex:none;display:grid;grid-template-columns:minmax(0,1fr) 50px 42px 42px;justify-content:stretch;gap:5px}.context-controls{display:contents}.context-control{min-width:0}.context-control select{min-width:0;width:100%;height:40px;padding:0 5px;font-size:16px}.context-control:first-child select{min-width:0;width:100%}.top-help{width:42px;height:38px;justify-content:center;gap:0;padding:7px;font-size:0}.top-help>span{width:18px;height:18px}.workbench-help>span{width:27px;font-size:10px}.progress-wrap{display:none}.notebook-cell{grid-template-columns:1fr;gap:5px}.cell-prompt{padding:0;text-align:left;font-size:10px}.lesson-rail{width:100%;max-width:100%;min-width:0;overflow:hidden;padding:10px 12px}.rail-heading{display:none}.levels{width:100%;max-width:100%;min-width:0;margin-top:0;overflow-x:auto;overscroll-behavior-inline:contain;scrollbar-width:none}.levels::-webkit-scrollbar{display:none}.level{flex:0 0 146px;padding:8px}.workbench{padding:18px 12px 42px}.challenge-card h2{font-size:27px}.task{grid-template-columns:1fr;gap:5px}.editor-area{grid-template-columns:38px 1fr}#sql-editor{padding:12px;font-size:16px;line-height:1.55;min-height:150px}.line-numbers{padding:16px 9px;font-size:12px}.challenge-title-row{align-items:flex-start;flex-direction:column;gap:9px}.concept-row{align-items:stretch;flex-direction:column;gap:3px}.info-button{align-self:flex-start}.editor-actions{display:grid;grid-template-columns:1fr;align-items:stretch;gap:0}.editor-actions>div{width:100%;min-width:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0}.editor-actions>div:last-child{border-top:1px solid #d8dce1}.editor-actions>.button{width:100%}.button{min-width:0;padding:10px 8px;white-space:normal}.editor-actions .button{width:100%}#reset-query{display:none}.button.secondary,.button.primary{flex:0 1 auto}.connection-workspace .editor-actions{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr)}.connection-workspace .editor-actions>div{display:block;border-top:0}.result-meta{flex-direction:column;gap:2px}.learning-tools,.schema-layout{grid-template-columns:1fr}.table-list{border-right:0;border-bottom:1px solid var(--line);display:flex;overflow-x:auto}.schema-table{flex:0 0 auto;width:auto;gap:12px}.environment-heading{grid-template-columns:40px 1fr}.connection-status{grid-column:1 / -1;justify-self:start}.environment-strip{display:grid;grid-template-columns:1fr;gap:5px;padding:9px 10px;font-size:10px;line-height:1.4}.notebook-card pre{padding:12px;font-size:11px;line-height:1.6}.connection-output{padding:13px;font-size:11px}.environment-facts,.language-split{grid-template-columns:1fr}footer{flex-direction:column;align-items:flex-start;justify-content:center;gap:4px}.home-main{min-height:0;padding:34px 16px 48px}.path-home{gap:25px}.path-intro h1{font-size:clamp(38px,13vw,56px)}.path-intro p{margin-top:16px;font-size:16px}.path-card{min-height:360px;padding:22px}.path-kicker{margin-top:32px}.path-card-footer{align-items:flex-end}}
