@charset "UTF-8";
:root{font-family:Arial,Helvetica,sans-serif;color:#293743;background:#fafbfd;--ink:#293743;--muted:#667483;--forest:#374b60;--purple:#7a68ad;font-synthesis:none}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer;border:0;background:none}button:disabled{cursor:default;opacity:.42}button,a,input,select,textarea,summary{touch-action:manipulation}button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #7a68ad;outline-offset:4px}input:focus,textarea:focus,select:focus{outline:2px solid #7a68ad;outline-offset:1px}input,textarea,select{border:1px solid #cdd5df;border-radius:6px;background:white;padding:11px 13px;min-width:0}textarea{resize:vertical}input[type=checkbox],input[type=radio]{accent-color:#596ea1;width:19px;height:19px;vertical-align:middle}input[type=range]{accent-color:#7a68ad;padding:0;border:0;background:transparent;cursor:pointer}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3{line-height:1.25}p{line-height:1.6}small{font-size:12px}[hidden]{display:none!important}.icon{width:22px;height:22px;flex-shrink:0;vertical-align:middle}.btn{display:inline-flex;gap:9px;align-items:center;justify-content:center;padding:10px 16px;border-radius:7px;font-size:14px;font-weight:600;min-height:43px;border:1px solid transparent}.btn.primary{background:var(--forest);color:white}.btn.primary:hover{background:#23394c}.btn.secondary{background:white;border-color:#d7dee6}.btn.secondary:hover{background:#f1f4f8}.text-link{display:inline-flex;align-items:center;gap:9px;text-decoration:underline}.eyebrow{font-size:12px;display:block;color:var(--muted)}.muted{color:var(--muted);font-size:13px}.loading-screen{min-height:100vh;display:grid;place-content:center;text-align:center;gap:20px}.skip-link{position:fixed;top:-100px;left:20px;padding:12px 20px;background:white;border:2px solid #7a68ad;z-index:200}.skip-link:focus{top:10px}.grid-paper{background-color:white;background-image:linear-gradient(#e6eaf0 1px,transparent 1px),linear-gradient(90deg,#e6eaf0 1px,transparent 1px);background-size:28px 28px}
.peach{--accent:#b66548;--soft:#fcf0e9;--picture:#f3b68e}.purple{--accent:#8061b6;--soft:#f2eef9;--picture:#c5b5e2}.green{--accent:#538269;--soft:#edf6f0;--picture:#a7d1b5}.yellow{--accent:#9a7d32;--soft:#fcf6e8;--picture:#edc978}.blue{--accent:#497e9a;--soft:#edf5fa;--picture:#a5cee8}.mint{--accent:#438977;--soft:#edf7f4;--picture:#97ccb9}.pink{--accent:#ac5f82;--soft:#fcf0f5;--picture:#eeb1cb}.orange{--accent:#b0783e;--soft:#fcf3e9;--picture:#edc199}
.simple-app{max-width:1200px;margin:auto;min-height:100vh;display:flex;flex-direction:column;padding:0 30px}.simple-header{height:82px;display:flex;align-items:center;gap:24px;border-bottom:1px solid #e8ecf1;flex-shrink:0}.simple-header h1{font-size:21px;font-weight:600;flex:1;margin:0;letter-spacing:0;min-width:0}.simple-brand{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:700}.simple-brand .icon{color:#7a68ad}.simple-back{display:flex;align-items:center;gap:9px;color:#647080;font-size:14px;min-height:44px}.header-actions{display:flex;gap:8px;margin-left:auto}.round-button{width:43px;height:43px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:#637283}.round-button:hover{background:#eaf0f5}.round-button .icon{width:23px;height:23px}.simple-app main{flex:1;padding:35px 0 24px;outline:none}.choose-title{font-size:26px;font-weight:600;text-align:center;margin:4px 0 32px;letter-spacing:0}.picture-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px 20px}.picture-tile{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;gap:15px;border-radius:10px;padding-bottom:13px;color:#354354;transition:transform .15s}.picture-tile:hover{transform:translateY(-3px)}.task-picture{display:block;background:var(--soft);width:100%;height:175px;border-radius:10px;padding:20px}.tile-title{font-size:17px;line-height:1.35;font-weight:600;padding:0 10px}.task-selection .task-picture{height:150px}.task-selection .tile-title{font-size:15px}.tile-done{position:absolute;top:9px;right:10px;width:27px;height:27px;display:grid;place-content:center;background:white;color:#4c8266;border-radius:50%;z-index:1}.tile-done .icon{width:18px;height:18px}.simple-footer{display:flex;justify-content:center;gap:28px;padding:30px 0;color:#657180;font-size:13px}.simple-footer a:hover{text-decoration:underline}
.is-task{max-width:1240px}.is-task main{padding-top:22px}.activity-page{max-width:1060px;margin:auto}.task-instruction{font-size:17px;text-align:center;max-width:900px;margin:0 auto 24px;line-height:1.55;color:#3a4859}#activity-host{max-width:940px;margin:0 auto;padding:0}.activity-page[data-kind=files] #activity-host{max-width:none}.task-bottom{display:flex;gap:16px;align-items:center;justify-content:flex-end;min-height:75px;padding:16px 0 8px;max-width:940px;margin:auto}.mission-success{display:flex;align-items:center;gap:26px;width:100%;justify-content:flex-end}.mission-success>span{display:flex;gap:8px;align-items:center;color:#477a5c;font-size:16px}.mission-feedback{margin-right:auto;color:#805d2b;font-size:14px;line-height:1.5}.goal-checklist{display:flex;gap:8px 18px;flex-wrap:wrap;justify-content:center;margin:-6px 0 22px}.goal{display:flex;gap:6px;align-items:center;font-size:12px;color:#657382}.goal.done{color:#43775a}.goal .icon{width:16px;height:16px}.goal-circle{width:13px;height:13px;border:1px solid #b5c0cd;border-radius:50%;flex-shrink:0}.help-heading{display:flex;align-items:center;gap:15px;justify-content:space-between}.help-heading h2{font-size:22px;margin:0}.help-steps{padding-left:23px;font-size:15px;line-height:1.7;margin:25px 0}.help-steps li{margin-bottom:12px}.help-tip{font-size:14px!important;background:#f2f5f9;padding:16px;border-radius:7px}
.field{display:flex;flex-direction:column;gap:8px;font-size:12px;font-weight:700;margin:18px 0}.field input,.field textarea,.field select{font-weight:400;width:100%}.field textarea{line-height:1.8;font-size:16px}.field input{font-size:14px}.activity-note{font-size:11px;color:#868d7a;text-align:center;margin-bottom:22px;line-height:1.8}.activity-topline{display:flex;justify-content:space-between;font-size:11px;color:#8b9380;margin-bottom:17px}.activity-count{font-family:Consolas,monospace;font-size:14px}.click-stage{position:relative;height:305px;border:1px solid #e4e5db;border-radius:11px}.stage-watermark{position:absolute;left:18px;bottom:16px;font-family:Consolas,monospace;font-size:8px;letter-spacing:1.5px;color:#68745f}.target-dot{position:absolute;width:46px;height:46px;background:#9575ba;color:#fffdf5;border:7px solid #d2bde6;box-shadow:0 0 0 7px #e9dff2;border-radius:50%;transform:translate(-50%,-50%);font-weight:700}.folder-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.big-folder{display:flex;flex-direction:column;align-items:center;gap:9px;border:1px solid transparent;border-radius:12px;padding:28px 18px;background:#f5f3e8;font-size:12px}.big-folder .icon{width:67px;height:67px;stroke-width:1.2;color:#c4a05d;fill:#efdfae}.big-folder span{font-size:9px;color:#68745f}.big-folder.selected{border-color:#9678b3;background:#eee5f3}.big-folder.done{background:#e7edda}.big-folder.done span{color:#7c9465}.drag-items{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:25px}.drag-item{border:1px solid #dddfd2;background:#fbfaf2;border-radius:9px;padding:16px;display:flex;flex-direction:column;align-items:center;gap:8px;font-size:10px}.drag-item .icon{width:32px;height:32px;color:#8d9d79}.drag-item.selected{border-color:#9d7cbd;background:#ede3f6}.drag-item.placed{border-bottom:3px solid #a5b986}.drop-zones{display:grid;grid-template-columns:1fr 1fr;gap:18px}.drop-zone{border:2px dashed #b7c3a4;border-radius:13px;min-height:194px;padding:24px 10px;display:flex;flex-direction:column;gap:8px;align-items:center;background:#eef2e3}.drop-zone:nth-child(2){background:#efe7f5;border-color:#c3b5d0}.drop-zone .icon{width:38px;height:38px;color:#88976f}.drop-zone strong{font-size:14px}.drop-zone>span{font-size:10px;color:#879774}.placed-items{min-height:24px;font-size:11px;font-weight:700;color:#697f55;margin-top:8px}.context-stage{position:relative;padding:30px;text-align:center;border:1px solid #dddccc;border-radius:12px;min-height:320px}.context-folder{width:185px;margin:0 auto 15px;background:#f5f1e499}.mini-menu{position:absolute;right:15px;top:140px;border:1px solid #d1d8c6;background:#fffdf5;border-radius:8px;box-shadow:0 8px 25px #34443018;padding:9px;z-index:3}.mini-menu button{display:flex;gap:8px;align-items:center;font-size:12px;padding:8px}.context-form{text-align:left;background:#fffdf8;padding:18px;border-radius:12px}.text-reference{background:#eff1e3;border:1px solid #dde2cb;border-radius:11px;padding:22px;margin-bottom:22px}.text-reference .eyebrow{color:#8a937a;font-size:8px;margin-bottom:11px}.text-reference p{font-size:17px;line-height:1.8;margin:0}.text-counter{font-size:10px}.key-target{background:#ece5f2;border:2px dashed #c7b6d8;border-radius:12px;padding:40px;text-align:center;cursor:text;outline-offset:-8px}.key-target strong{display:block;font-size:70px;line-height:1.3;margin:10px 0;font-weight:400}.key-target .eyebrow{color:#8f7c9e;font-size:8px}.key-target small{font-size:10px;color:#68745f}.key-progress{display:flex;gap:9px;justify-content:center;flex-wrap:wrap;margin-top:22px}.key-progress>span{border:1px solid #dddfd0;padding:8px 13px;border-radius:6px;font-family:Consolas,monospace;font-size:13px}.key-progress>span.done{background:#dce8cd;border-color:#baca9d}.shortcut-strip{display:flex;gap:6px;align-items:center;flex-wrap:wrap;font-size:10px;color:#68745f}.shortcut-strip span{margin-right:10px}kbd{border:1px solid #d9decc;border-bottom:3px solid #cbd2bd;border-radius:4px;padding:5px 8px;background:#f5f6ed;font-size:10px;color:#6d7a60}.shortcut-status{font-size:11px;color:#8c9b79;min-height:18px}.question-title{font-size:17px;line-height:1.5;margin:4px 0 22px}.choice-list{display:flex;flex-direction:column;gap:12px}.choice{display:flex;align-items:center;gap:14px;border:1px solid #d8deca;background:#fafbf3;padding:20px 16px;border-radius:10px;text-align:left}.choice>.icon{width:27px;height:27px;color:#68745f}.choice>span:nth-child(2){flex:1;min-width:0}.choice strong{display:block;font-size:12px;line-height:1.6;overflow-wrap:anywhere}.choice small{display:block;color:#68745f;font-size:10px;margin-top:5px;overflow-wrap:anywhere}.choice-circle{width:16px;height:16px;border:1px solid #bbc4aa;border-radius:50%;flex-shrink:0}.choice.selected,.choice:hover{border-color:#b398ca;background:#f0e9f6}.choice.selected .choice-circle{background:#8d6cad;box-shadow:inset 0 0 0 4px #efe5f5}.mock-browser{border:1px solid #d0d8c2;border-radius:11px;overflow:hidden}.browser-bar{display:flex;gap:24px;align-items:center;background:#eef0e1;border-bottom:1px solid #dce2ce;padding:12px 17px;font-family:Consolas,monospace;font-size:9px;color:#68745f}.browser-bar>span:first-child{font-size:11px;letter-spacing:3px}.mock-search{display:flex;gap:9px;align-items:center;padding:18px;border-bottom:1px solid #e1e7d6}.mock-search .icon{color:#68745f;width:18px;height:18px}.mock-search input{width:100%;font-size:12px}.mock-search .btn{padding:9px 13px;min-height:39px;font-size:10px}.search-results{padding:20px}.search-result{display:flex;flex-direction:column;text-align:left;padding:17px 10px;border-radius:8px;width:100%;border:1px solid transparent;margin-bottom:7px;gap:5px}.search-result small{font-size:8px;color:#68745f;overflow-wrap:anywhere}.search-result strong{font-size:14px;color:#716094;text-decoration:underline}.search-result span{font-size:10px;color:#8d997a}.search-result.selected{background:#e7efdb;border-color:#bdcfa6}.browser-tabs{display:flex;background:#e8eddc;gap:4px;padding:8px 8px 0}.browser-tabs button{background:#dbe3cb;border-radius:8px 8px 0 0;font-size:10px;padding:12px;display:flex;gap:7px;align-items:center}.browser-tabs button.active{background:#fffdf8}.browser-tabs .icon{width:14px;height:14px}.browser-page{padding:30px;min-height:230px}.browser-page h3{font-size:18px;line-height:1.5}.browser-page p{font-size:11px;color:#68745f}.code-label{font-family:Consolas,monospace;border:1px dashed #aaba96;padding:6px 9px;display:inline-block}.hover-tools{display:flex;justify-content:center;gap:20px;padding:35px 0 60px}.hover-tool{position:relative;border:1px solid #d9d4e0;border-radius:12px;background:#ece4f4;width:80px;height:80px;display:grid;place-items:center;color:#8d6cab}.hover-tool .icon{height:34px;width:34px}.hover-tool.selected{border:3px solid #9d78bd}.tooltip{position:absolute;bottom:-40px;font-size:10px;background:#35472f;color:#f7faef;border-radius:6px;padding:6px 9px;white-space:nowrap;display:none}.hover-tool.tooltip-open .tooltip{display:block}.hover-status{text-align:center;font-size:12px;color:#68745f}.scroll-document{height:320px;overflow-y:auto;border:1px solid #d3dbc5;border-radius:11px;padding:25px}.scroll-document>h3{font-size:29px;margin-top:12px}.scroll-document section{min-height:160px;border-top:1px solid #e1e6d5;padding-top:23px}.scroll-document section>span{font-family:Consolas,monospace;font-size:9px;color:#68745f}.scroll-document h4{font-size:18px;margin:10px 0}.scroll-document p{font-size:12px;color:#68745f}.scroll-code{padding:20px;background:#e8dfef;text-align:center;border-radius:8px;font-size:12px}.scroll-code strong{font-family:Consolas,monospace;font-size:24px;margin-left:8px}.multi-toggle{font-size:11px;color:#68745f;display:flex;align-items:center;gap:8px}.multi-files{display:grid;grid-template-columns:repeat(3,1fr);gap:11px;margin:24px 0}.multi-files button{position:relative;display:flex;flex-direction:column;align-items:center;gap:12px;border:1px solid #d5ddc7;border-radius:9px;padding:22px 6px;background:#f5f7ed}.multi-files button>.icon{width:34px;height:34px;color:#879d6c}.multi-files button strong{font-size:10px}.multi-files .choice-circle{width:12px;height:12px;position:absolute;right:7px;top:7px}.multi-files button.selected{background:#eadef2;border-color:#bda2cf}.multi-files button.selected .choice-circle{background:#9571b6}
.pixel-workspace{display:flex;gap:24px;justify-content:center}.pixel-workspace h3{font-size:12px;text-align:center;margin-bottom:15px}.pixel-grid{display:grid;grid-template-columns:repeat(8,1fr);border-left:1px solid #c8ccb8;border-top:1px solid #c8ccb8;width:min(230px,100%);aspect-ratio:1}.pixel-grid button,.pixel-grid span{display:block;border-right:1px solid #c8ccb8;border-bottom:1px solid #c8ccb8;background:#f5f3e8;padding:0}.pixel-grid .filled{background:#8c74ad}.pixel-workspace>div{width:50%;max-width:230px}.pixel-workspace+.activity-note{margin:22px 0 0;font-size:10px}.drawing-sheet{border:1px solid #dfdfd2;border-radius:10px;overflow:hidden;background:#fffdf8}.drawing-sheet canvas{display:block;width:100%;height:auto;touch-action:none}.drawing-controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:17px}.color-palette{display:flex;gap:8px;padding:4px}.color-palette button{width:25px;height:25px;background:var(--swatch);border:2px solid #fffdf8;box-shadow:0 0 0 1px #dfded2;border-radius:50%}.color-palette button.active{box-shadow:0 0 0 2px #586b46}.brush-control{font-size:9px;display:flex;gap:6px;align-items:center;color:#68745f}.brush-control select{font-size:10px;padding:6px}.drawing-controls .btn{font-size:9px;padding:6px 9px;min-height:30px}.drawing-controls .btn .icon{height:12px;width:12px}.drawing-count{font-size:10px;margin:15px 0 0}.color-preview{display:flex;align-items:center;gap:30px;padding:20px;margin-bottom:25px}.color-sample{width:170px;height:170px;border-radius:20px;box-shadow:0 0 0 10px #eeeee2;flex-shrink:0}.color-preview .eyebrow{font-size:8px;color:#68745f;margin-bottom:12px}.color-goal{width:75px;height:75px;border:6px solid #e9e6e9;border-radius:12px}.color-preview p{font-family:Consolas,monospace;font-size:10px;color:#68745f;margin:12px 0 0}.slider-controls{border-top:1px solid #e2e5d6;padding-top:8px}.slider-row{display:grid;grid-template-columns:115px 1fr 66px;gap:13px;align-items:center;margin:17px 0;font-size:11px}.slider-row input[type=range]{width:100%}.slider-row input[type=number]{width:100%;padding:7px;font-family:Consolas,monospace;font-size:12px;text-align:center}.position-stage{position:relative;height:295px;border:1px solid #dce3cd;border-radius:12px;margin-bottom:25px}.position-dock,.position-probe{position:absolute;transform:translate(-50%,-50%);width:55px;height:55px;border-radius:50%;display:grid;place-items:center}.position-dock{border:2px dashed #a6b48d;background:#eaf1df;font-size:9px;letter-spacing:1px;font-family:Consolas,monospace;color:#68745f}.position-probe{border:2px solid #9880b4;background:#e0d0f0;color:#68745f;width:38px;height:38px}.axis-x,.axis-y{position:absolute;font-family:Consolas,monospace;font-size:11px;color:#68745f}.axis-x{bottom:10px;right:15px}.axis-y{top:10px;left:15px}.format-toolbar{display:flex;gap:13px;align-items:center;border:1px solid #dce2ce;border-radius:9px;padding:10px;background:#f5f7ee;flex-wrap:wrap}.format-toolbar label{font-size:10px;color:#68745f;display:flex;gap:6px;align-items:center}.format-toolbar select{font-size:10px;padding:7px}.format-bold{border:1px solid #cbd7ba;border-radius:5px;font-family:Georgia,serif;font-size:21px;font-weight:bold;width:37px;height:37px}.format-bold.active{background:#d9cee7;border-color:#ac90c4}.poster-preview{padding:26px 24px 18px;min-height:265px;border:1px solid #e0dfd1;border-radius:11px}.poster-title{min-height:56px;overflow-wrap:anywhere;color:#677e54}.poster-mountain{height:95px;display:flex;align-items:end;justify-content:center}.poster-mountain>span{border-style:solid;border-width:0 50px 90px;border-color:transparent transparent #bdd0a8;width:0;height:0;display:block;margin:0 -12px}.poster-mountain>span:nth-child(2){border-bottom-color:#9cb583;border-width:0 60px 115px}.poster-mountain>span:nth-child(3){border-bottom-color:#d9dfaf;border-width:0 36px 68px}.poster-meta{font-family:Consolas,monospace;letter-spacing:3px;text-align:center;font-size:9px;color:#68745f;margin-top:22px}.path-stage{border:1px solid #dbdfcf;border-radius:11px;overflow:hidden}.path-stage svg{display:block;width:100%;height:auto;touch-action:none;user-select:none}.path-status{font-size:11px;margin-top:17px}.color-house svg{display:block;width:100%;height:auto;max-height:310px}.color-house [data-region]{stroke:#6b795b;stroke-width:2;cursor:pointer}.color-house [data-region]:hover{stroke:#a080bb;stroke-width:5}.color-house+.color-palette{justify-content:center;margin-top:14px}.shape-items,.shape-targets{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:20px 0}.shape-items button,.shape-targets button{display:flex;flex-direction:column;align-items:center;gap:7px;border:1px solid #ddd5e4;border-radius:10px;padding:15px 7px;background:#ede3f5;font-size:9px;color:#68745f}.shape-items svg,.shape-targets svg{width:100%;max-width:70px;fill:#b091ce;stroke:#8e6aac;stroke-width:1.5}.shape-targets{padding-top:28px;border-top:1px dashed #d7ddca}.shape-targets button{background:#f3f5ea;color:#68745f;border:2px dashed #c4cfb4}.shape-targets svg{fill:none;stroke:#b5c1a4;stroke-width:2}.shape-items button.selected{border:2px solid #9575b2}.shape-targets button.filled svg{fill:#bba0d3;stroke:#9a7bb9}
.practice-form{background:#f2f4e9;border:1px solid #dde4ce;border-radius:12px;padding:25px}.practice-form>.eyebrow{font-size:9px;color:#68745f}.practice-form h3{font-size:25px;margin:10px 0 24px}.form-columns{display:flex;gap:17px}.form-columns>.field{width:50%;margin-top:0}.practice-form fieldset{border:1px solid #d6dfc5;border-radius:8px;padding:15px;margin:15px 0}.practice-form legend{font-size:10px;color:#68745f;padding:0 6px}.practice-form fieldset label{display:flex;gap:8px;align-items:center;font-size:12px;margin:9px 0}.practice-form>.muted{font-size:9px;margin:20px 0 0}.settings-lab{display:grid;grid-template-columns:1fr;gap:20px}.settings-panel{padding:10px 20px;background:#f0f3e5;border-radius:11px}.settings-panel .slider-row{grid-template-columns:110px 1fr 50px;font-size:10px;gap:10px}.toggle-row{display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:11px;padding:14px 0;border-top:1px solid #dce4cd}.toggle-row input{width:20px}.settings-preview{padding:25px;background:#faf8ec;border:1px solid #d8dfc8;border-radius:11px;transition:background .2s,color .2s}.settings-preview p{margin:15px 0}.settings-preview small{font-size:9px;color:#68745f}.settings-preview.dark{background:#2c382e;color:#f4f7e7}.audio-lab{display:flex;flex-direction:column;gap:25px}.audio-cover{background:#eeddde;padding:28px;border-radius:14px;position:relative;display:flex;flex-direction:column;gap:7px;color:#68745f}.audio-cover>.icon{width:43px;height:43px;stroke-width:1.3;margin-bottom:15px}.audio-cover>span{position:absolute;right:25px;top:18px;font-family:Consolas,monospace;font-size:36px;color:#cc9ca9;letter-spacing:-2px}.audio-cover strong{font-size:23px;font-weight:700}.audio-cover small{font-size:10px;color:#68745f}.audio-controls{padding:0 10px}.audio-play{display:grid;place-items:center;width:57px;height:57px;border-radius:50%;background:#b48193;color:#fff7f5;margin:auto}.audio-play .icon{width:26px;height:26px}.audio-time{display:flex;justify-content:space-between;font-family:Consolas,monospace;font-size:10px;color:#68745f;margin-top:20px}.audio-controls .slider-row{grid-template-columns:115px 1fr 54px;font-size:10px;gap:10px}.audio-status{font-size:10px}.sound-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:25px 0}.sound-card{background:#f3e7eb;border:1px solid #e0cdd5;padding:18px 11px;border-radius:10px;display:flex;flex-direction:column;align-items:center;gap:13px}.sound-card strong{font-size:13px;color:#68745f}.sound-card .btn{font-size:9px;padding:7px 9px;min-height:32px;width:100%;gap:5px}.sound-card .btn .icon{width:12px;height:12px}.sound-card .btn.active,.sound-card .btn.done{background:#e2cee9;border-color:#c9abd4}.sound-transcript{font-size:9px;text-align:center;color:#68745f}.sound-match>h3{font-size:18px}.cipher-message{padding:27px;background:#ece3f5;border:1px solid #dac8e6;border-radius:12px;text-align:center;color:#68745f}.cipher-message strong{display:block;font-family:Consolas,monospace;font-size:44px;color:#795297;letter-spacing:9px;margin:15px 0}.cipher-message>span:last-child{font-size:11px}.cipher-table{display:grid;grid-template-columns:repeat(13,1fr);gap:4px;margin:22px 0}.cipher-table>div{border:1px solid #e0e5d4;border-radius:5px;background:#f7f7ec;display:flex;flex-direction:column;align-items:center;gap:1px;padding:5px 1px;font-family:Consolas,monospace;font-size:10px}.cipher-table>div>span:nth-child(2){font-size:9px;color:#68745f}.cipher-table strong{color:#68745f}.order-workspace{display:grid;grid-template-columns:1fr 1fr;gap:22px}.order-workspace h3{font-size:13px;color:#68745f}.order-options button{display:flex;gap:9px;align-items:start;text-align:left;background:#f0f4e5;border:1px solid #d9e2c9;border-radius:8px;padding:15px 12px;font-size:10px;width:100%;margin-bottom:12px;line-height:1.7}.order-options .icon{width:14px;height:14px;color:#68745f}.order-result ol{padding:0;list-style:none;counter-reset:item;min-height:238px}.order-result li{counter-increment:item;font-size:10px;line-height:1.7;padding:11px 11px 11px 30px;background:#ece3f4;border-radius:7px;margin-bottom:9px;position:relative;color:#68745f}.order-result li:before{content:counter(item);position:absolute;left:11px;font-family:Consolas,monospace;color:#68745f}.order-result .btn{font-size:9px;padding:8px 9px;min-height:35px}.order-result .btn .icon{width:12px;height:12px}.coordinates-workspace{display:flex;gap:30px;align-items:start}.coordinate-grid{display:grid;grid-template-columns:25px repeat(4,42px);grid-template-rows:25px repeat(4,42px);gap:5px;flex-shrink:0}.coordinate-grid>strong{display:grid;place-items:center;font-family:Consolas,monospace;font-size:10px;color:#68745f}.coordinate-grid button{border:1px solid #d3debf;background:#f0f4e5;border-radius:6px;font-family:Consolas,monospace;font-size:17px}.coordinate-grid button.selected{background:#d9c2e9;border-color:#b28dc9}.coordinates-workspace>div:last-child{flex:1}.coordinates-workspace .eyebrow{font-size:8px;color:#68745f;margin-top:10px}.coordinate-list{font-family:Consolas,monospace;font-size:13px;white-space:nowrap;color:#68745f;margin:20px 0}.coordinate-selection{font-family:Consolas,monospace;font-size:10px;color:#68745f;min-height:34px}.coordinates-workspace .btn{font-size:9px;padding:6px 9px;min-height:30px}
.file-manager{border:1px solid #d9dfcd;border-radius:12px;overflow:hidden;background:#fffdf8}.workbench .file-manager{border:0;border-radius:0}.fm-title{display:flex;align-items:center;justify-content:space-between;background:#edf1e3;border-bottom:1px solid #dfe6d0;padding:12px 16px;font-size:11px;color:#68745f}.fm-title>span:first-child{display:flex;align-items:center;gap:8px;font-weight:700}.fm-title .icon{width:18px;height:18px}.tag{font-family:Consolas,monospace;font-size:8px;border:1px solid #c9d7b8;border-radius:4px;padding:3px 7px;color:#68745f}.fm-toolbar{display:flex;gap:4px;align-items:center;flex-wrap:wrap;padding:10px;border-bottom:1px solid #e5e9db;background:#fafbf4}.fm-toolbar button{display:flex;gap:4px;align-items:center;font-size:8px;padding:6px 5px;border-radius:5px;border:1px solid transparent}.fm-toolbar button:hover{background:#f0e9f5;border-color:#ded0e7}.fm-toolbar .icon{width:13px;height:13px}.fm-location{display:flex;gap:10px;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid #e5e9da;min-height:46px;flex-wrap:wrap}.breadcrumbs{display:flex;gap:7px;align-items:center;flex-wrap:wrap;font-size:8px;color:#68745f}.breadcrumbs button{font-size:8px;padding:3px;color:#68745f;border-radius:3px}.breadcrumbs button:hover{background:#ece6f1}.fm-search{display:flex;gap:5px;align-items:center;border:1px solid #dae2cb;border-radius:6px;padding:3px 7px;width:155px;background:#fffdf8}.fm-search .icon{width:13px;height:13px;color:#68745f}.fm-search input{border:0;font-size:9px;padding:5px 0;width:100%;border-radius:3px;background:transparent}.fm-body{display:flex;min-height:310px}.fm-nav{width:137px;flex-shrink:0;background:#f4f6eb;border-right:1px solid #e2e8d5;padding:10px 5px;max-height:350px;overflow:auto}.fm-nav button{display:flex;gap:6px;align-items:center;padding:8px 7px;width:100%;border-radius:5px;font-size:9px;text-align:left;overflow-wrap:anywhere}.fm-nav button .icon{width:14px;height:14px;color:#68745f}.fm-nav button.active{background:#e2e9d5;color:#869e68}.fm-list{flex:1;padding:9px;min-width:0}.fm-list-head{display:flex;justify-content:space-between;font-size:8px;color:#68745f;border-bottom:1px solid #edf0e2;padding:5px 8px 9px}.file-row{display:flex;align-items:center;gap:12px;justify-content:space-between;width:100%;padding:11px 8px;border:1px solid transparent;border-radius:6px;text-align:left}.file-row:hover{background:#f5f2e7}.file-row.selected{border-color:#c6acd8;background:#efe6f5}.file-name{display:flex;gap:8px;align-items:center;font-size:10px;min-width:0;overflow-wrap:anywhere}.file-name .icon{width:19px;height:19px;color:#68745f}.file-name.is-folder .icon{color:#d2b474;fill:#efe1b6}.file-name small{display:block;font-family:Consolas,monospace;color:#68745f;font-size:7px;margin-top:4px}.file-type{color:#68745f;font-size:7px;white-space:nowrap}.fm-empty{display:flex;gap:11px;flex-direction:column;align-items:center;justify-content:center;height:240px;color:#68745f;text-align:center}.fm-empty .icon{height:43px;width:43px;stroke-width:1.2}.fm-empty strong{font-size:12px;font-weight:400}.fm-empty span{font-size:9px;max-width:160px}.fm-status{font-size:8px;color:#68745f;border-top:1px solid #e1e7d4;padding:9px 13px;min-height:30px;background:#f6f8ee}.drop-hover{box-shadow:inset 0 0 0 2px #b394c9!important;background:#ece2f4!important}.file-preview{padding:25px;background:#f3f7e8;border:1px solid #dce6c9;border-radius:9px;min-height:120px;margin:20px 0}.file-preview pre{white-space:pre-wrap;overflow-wrap:anywhere;font-family:Consolas,monospace;font-size:13px;line-height:1.8;margin:0}.context-actions{display:flex;flex-direction:column;gap:5px;margin:20px 0}.context-actions button{border:1px solid #dde7cc;border-radius:6px;padding:9px;text-align:left;font-size:12px}.context-actions button:hover{background:#ebe0f3}.sandbox-toolbar{display:flex;gap:20px;align-items:center;justify-content:space-between;margin:25px 0}.sandbox-toolbar .btn{font-size:10px;padding:9px 12px;min-height:36px}.sandbox-toolbar .muted{font-size:10px}.info-note{display:flex;align-items:start;gap:9px;font-size:10px;line-height:1.8;color:#68745f;border:1px solid #e0e7d1;border-radius:9px;padding:17px;margin-top:20px}.info-note .icon{width:15px;height:15px}.page-heading{margin:15px 0 33px}.page-heading .eyebrow{font-size:9px;color:#68745f;margin-bottom:14px}.page-heading p{color:#68745f;font-size:13px;max-width:700px;line-height:1.8}.page-heading h1{font-size:46px;line-height:1.1}.progress-overview{display:flex;gap:35px;align-items:center;padding:30px;background:#e5edd8;border:1px solid #cad8b6;border-radius:14px;margin-bottom:28px}.progress-score{flex-shrink:0;min-width:160px;text-align:center;border-right:1px solid #c2d2ad;padding-right:30px}.progress-score strong{font-size:65px;letter-spacing:-4px;font-family:Consolas,monospace;font-weight:400;color:#739655}.progress-score strong span{font-size:23px;color:#68745f;letter-spacing:-1px;padding-left:7px}.progress-score p{font-size:10px;color:#68745f;margin:0}.progress-overview h3{font-size:19px}.progress-overview>div:last-child p{font-size:11px;color:#68745f;max-width:600px}.inline-actions{display:flex;gap:9px;flex-wrap:wrap}.inline-actions .btn{font-size:10px;padding:9px 12px;min-height:35px}.inline-actions .icon{width:14px;height:14px}.progress-areas{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}.progress-area{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:18px 22px;background:#fafbf3;border:1px solid #dce6cc;border-radius:10px}.progress-area>span{display:flex;gap:8px;align-items:center;font-size:12px}.progress-area .icon{width:17px;height:17px;color:var(--accent)}.progress-area>strong{margin-left:auto;font-family:Consolas,monospace;font-weight:400;font-size:10px;color:#68745f}.progress-track{width:100%;height:5px;background:#e7eddc;border-radius:3px;margin-top:4px;overflow:hidden}.progress-track span{display:block;height:100%;background:var(--accent)}.standalone-heading{margin:36px 0 22px;font-size:23px}.completed-list{display:flex;flex-direction:column;gap:9px}.completed-list a{display:flex;gap:14px;align-items:center;padding:16px 18px;border:1px solid #d8e3c8;background:#fafbf2;border-radius:9px}.completed-list a>.icon{width:17px;height:17px;color:#68745f}.completed-list a>span:nth-child(2){flex:1}.completed-list strong{display:block;font-size:12px}.completed-list small{display:block;font-size:9px;color:#68745f;margin-top:3px}.completed-list a>span:nth-child(3){font-family:Consolas,monospace;font-size:9px;color:#68745f}.text-button{font-size:10px;color:#68745f;text-decoration:underline;padding:8px 0}.reset-progress{margin-top:30px}.teacher-intro{padding:30px;background:#e8e0ef;border:1px solid #d4c5df;border-radius:14px;margin-bottom:30px}.teacher-intro h2{font-size:24px;color:#68745f}.teacher-intro ol{padding-left:22px;color:#68745f;font-size:12px;line-height:1.8}.teacher-intro li{margin:14px 0}.teacher-intro strong{color:#68745f}.teacher-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin:35px 0}.teacher-grid h2{font-size:22px}.teacher-grid p{font-size:12px;color:#68745f;line-height:1.9}.teacher-coverage{border-top:1px solid #d9e1cb;padding-top:30px}.teacher-coverage h2{font-size:25px}.teacher-coverage p{font-size:12px;color:#68745f}.teacher-coverage table{width:100%;border-collapse:collapse;font-size:11px;margin:25px 0;background:#f9fbef}.teacher-coverage th,.teacher-coverage td{text-align:left;padding:12px 15px;border:1px solid #dce5cf}.teacher-coverage th{background:#e7efda;font-weight:700;color:#879f6c}.teacher-coverage td{color:#68745f}.teacher-coverage td:first-child{width:30%;color:#8ca771}.teacher-coverage .muted a{text-decoration:underline}.lesson-paths{margin-top:35px}.lesson-paths h2{font-size:25px}.lesson-paths>div{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.lesson-paths a{display:flex;flex-direction:column;gap:10px;border:1px solid #d3dfc2;border-radius:11px;background:#f9fbef;padding:23px}.lesson-paths strong{font-size:16px;color:#869d6e}.lesson-paths span{font-size:10px;color:#68745f;line-height:1.8}.lesson-paths .icon{width:19px;height:19px;color:#68745f;align-self:flex-end}
dialog{border:1px solid #d2d8c2;background:#fffdf8;border-radius:16px;padding:30px;max-width:min(520px,calc(100vw - 32px));width:100%;max-height:85vh;color:var(--ink);box-shadow:0 20px 80px #24372e35}dialog::backdrop{background:#26372db8;backdrop-filter:blur(3px)}dialog h2{font-size:25px;line-height:1.3}dialog>p,dialog form>p{font-size:12px;color:#68745f}.dialog-actions{display:flex;justify-content:end;gap:9px;margin-top:22px}.dialog-actions .btn{font-size:11px;padding:10px 16px;min-height:39px}.dialog-error{font-size:11px;color:#68745f;margin:12px 0;min-height:16px}.profile-list{display:flex;flex-direction:column;gap:7px;max-height:240px;overflow:auto;margin:22px 0}.profile-list button{display:flex;gap:10px;align-items:center;border:1px solid #dce4cb;padding:12px;border-radius:8px;font-size:13px;text-align:left}.profile-list .icon{width:18px;height:18px;color:#68745f}.profile-list small{font-size:10px;color:#68745f;margin-left:auto}.profile-list button.active{background:#e6eeda;border-color:#c3d2aa}.toast{position:fixed;bottom:25px;left:calc(50% + 128px);transform:translateX(-50%);max-width:min(570px,calc(100vw - 35px));z-index:100;background:#34482f;color:#f8ffeb;font-size:12px;line-height:1.7;padding:14px 23px;border:1px solid #c1d19e40;border-radius:10px;box-shadow:0 8px 30px #35482e2b}
/* Spacious, readable controls; no instructional panels around the task. */
.task-picture{color:#40546a;box-shadow:inset 0 0 0 1px #59708008}
.picture-tile:hover .task-picture{box-shadow:inset 0 0 0 1px #59708020}
.picture-tile:focus-visible{outline:3px solid #6651c6;outline-offset:5px}
.field{font-size:14px}.field input,.field textarea,.field select{font-size:16px}.field textarea{min-height:135px}.activity-note{font-size:13px;color:#667483}.text-reference{background:#f0f2f8;border-color:#e0e5ed;padding:22px;margin:0 0 22px}.text-reference p{font-size:22px;color:#344255;margin:0}.text-reference .eyebrow{display:none}.text-counter{font-size:12px}.activity-topline{justify-content:flex-end;font-size:14px}.click-stage{height:440px;max-height:58vh;border-color:#e1e7ef}.target-dot{height:58px;width:58px;font-size:20px}.stage-watermark{display:none}.folder-grid{gap:22px;padding:55px 0}.big-folder{min-height:155px;justify-content:center}.big-folder .icon{width:75px;height:75px}.big-folder strong{font-size:18px}.big-folder>span{font-size:12px}.drag-items{gap:16px;max-width:750px;margin:15px auto 30px}.drag-item{padding:20px;font-size:15px}.drop-zones{max-width:800px;margin:auto;gap:30px}.drop-zone{min-height:230px}.drop-zone strong{font-size:18px}.drop-zone>span,.placed-items{font-size:14px}.key-target{min-height:300px}.key-target strong{font-size:100px}.key-target .eyebrow{font-size:15px}.key-target small{font-size:14px}.hover-tools{padding:65px 0 40px}.hover-tool{height:95px;width:95px}.hover-tool .icon{height:36px;width:36px}.tooltip{font-size:13px}.hover-status{text-align:center}.context-stage{min-height:350px}.shortcut-strip{font-size:13px}.shortcut-status{font-size:13px;min-height:20px}.multi-files strong{font-size:16px}.multi-toggle{font-size:13px}.question-title{font-size:21px}.choice strong{font-size:17px}.choice small{font-size:14px}.choice-list{gap:14px}.search-result strong{font-size:19px}.search-result small,.search-result span{font-size:13px}.browser-tabs button{font-size:15px}.browser-page{min-height:250px}.browser-page h3{font-size:24px}.browser-page p{font-size:14px}.scroll-document{height:370px}.scroll-document section p{font-size:14px}.scroll-document h4{font-size:19px}.scroll-code{font-size:18px}
.pixel-workspace{gap:45px}.pixel-workspace>div{width:310px;max-width:calc((100% - 45px)/2);flex-shrink:0}.pixel-workspace h3{font-size:16px;font-weight:500}.pixel-grid{width:100%;max-width:none}.drawing-sheet canvas{max-height:none}.drawing-controls{font-size:14px;gap:14px;justify-content:center}.drawing-controls .btn{font-size:13px}.brush-control{font-size:13px}.color-palette button{height:35px;width:35px}.drawing-count{font-size:12px}.slider-controls{max-width:680px;margin:25px auto}.slider-row,.settings-panel .slider-row,.audio-controls .slider-row{font-size:15px;grid-template-columns:130px 1fr 70px;gap:18px}.color-preview{padding:20px 0}.color-sample{width:190px;height:170px}.color-preview p{font-size:14px}.color-goal{width:95px;height:95px}.position-stage{height:350px}.format-toolbar{font-size:15px;padding:12px}.format-toolbar label,.format-toolbar select{font-size:14px}.poster-preview{min-height:220px}.line-svg,.maze-svg{max-height:58vh}.path-status{font-size:14px}.color-house{max-width:680px;margin:auto}.color-house+ .color-palette{justify-content:center;margin-top:20px}.shape-items,.shape-targets{gap:18px}.shape-items button,.shape-targets button{font-size:14px}.shape-items svg,.shape-targets svg{height:85px}
.practice-form{max-width:760px;margin:auto;background:white;border-color:#e0e6ee}.practice-form fieldset label,.practice-form legend{font-size:15px}.form-columns .field select{font-size:15px}.settings-lab{max-width:850px;margin:auto}.settings-panel{background:white;border-color:#dce3ed}.settings-preview{background:#f0f3f8}.toggle-row{font-size:15px}.audio-lab{max-width:750px;margin:auto}.audio-cover{background:#eef0f8;min-height:110px;padding:25px}.audio-cover .icon{height:50px;width:50px}.audio-controls{padding:20px 25px}.audio-play{height:60px;width:60px}.audio-status{font-size:12px}.sound-cards{gap:20px}.sound-card strong{font-size:17px}.sound-card .btn{font-size:13px}.sound-status{font-size:13px}.cipher-message strong{font-size:42px}.cipher-table{gap:5px}.cipher-table>div{padding:10px 4px}.cipher-table span,.cipher-table strong{font-size:16px}.order-options button,.order-result li,.coordinate-selection{font-size:15px}.coordinate-grid{grid-template-columns:32px repeat(4,52px);grid-template-rows:25px repeat(4,48px);gap:8px}.coordinate-grid button{font-size:20px;width:52px;height:48px}
.file-manager{background:white;border-color:#cdd7e2;border-radius:8px}.fm-title{background:#f3f5f8;color:#40516a;font-size:14px;padding:13px 18px}.fm-title .tag{font-size:10px}.fm-toolbar{background:white;border-color:#e1e7ed;padding:12px 14px;gap:8px}.fm-toolbar button{font-size:13px;padding:9px 11px;border:1px solid #dce3eb;background:#f8fafc}.fm-toolbar .icon{width:16px;height:16px}.fm-location{background:white;padding:13px 16px}.fm-nav{width:180px;background:#f5f7fa;border-color:#e0e6ed;padding:12px}.fm-nav button{font-size:13px;padding:11px 9px;color:#485c74}.fm-nav button.active{background:#e0e9f4;color:#2b4c74}.breadcrumbs,.breadcrumbs button,.fm-search input,.fm-status{font-size:12px}.file-name{font-size:15px;color:#33445b}.file-name.is-folder>.icon{color:#b39549}.file-type{font-size:12px}.file-row{padding:13px 12px}.file-row.selected{background:#e5eefb;border-color:#c2d5f0}.fm-body{min-height:380px}.fm-list{padding:10px 16px}.fm-list-head{font-size:12px}.fm-status{background:#f8fafc;padding:11px 18px;color:#5a6d84}.fm-empty strong{font-size:17px}.fm-empty span{font-size:13px}.file-preview pre{font-size:15px}.fm-dialog p{font-size:14px}
.page-heading{margin:10px 0 24px}.page-heading h1{font-size:30px}.page-heading p{font-size:15px}.progress-overview p,.progress-overview h3,.completed-list strong,.progress-area>span,.teacher-grid p,.teacher-coverage p,.teacher-intro li{font-size:15px}.progress-overview .btn{font-size:13px}.completed-list small{font-size:12px}.teacher-coverage th,.teacher-coverage td{font-size:14px}.teacher-intro h2,.teacher-grid h2,.teacher-coverage h2,.lesson-paths h2{font-size:23px}.lesson-paths span{font-size:13px}.empty-note{padding:25px;font-size:16px;color:#657382}.profile-list small{font-size:12px}dialog{background:white;border-color:#d5dfe9;padding:28px;border-radius:12px}dialog>p,dialog form>p{font-size:14px;line-height:1.65}dialog h2{font-size:24px}.dialog-actions .btn{font-size:14px}.toast{left:50%;font-size:14px;background:#374b60}
@media(min-width:1500px){.simple-app{max-width:1330px}.task-picture{height:205px}.task-selection .task-picture{height:180px}.choose-title{margin-top:25px;margin-bottom:40px}.activity-page{max-width:1150px}}
@media(max-width:900px){.simple-app{padding:0 24px}.picture-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.area-selection{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px 12px}.area-selection .task-picture{height:145px;padding:12px}.tile-title{font-size:15px}.fm-nav{width:155px}.fm-toolbar{gap:5px}.fm-toolbar button{font-size:12px;padding:8px}.slider-row{grid-template-columns:115px 1fr 65px}.simple-header h1{font-size:19px}.teacher-grid{grid-template-columns:1fr}.lesson-paths>div{grid-template-columns:1fr}}
@media(max-width:600px){.simple-app{padding:0 16px}.simple-header{height:70px;gap:12px}.simple-header h1{font-size:17px}.simple-back span{display:none}.simple-brand{font-size:17px}.round-button{height:40px;width:40px}.header-actions{gap:3px}.simple-app main{padding-top:24px}.picture-grid,.area-selection{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 12px}.task-picture,.area-selection .task-picture,.task-selection .task-picture{height:145px;padding:14px}.tile-title,.task-selection .tile-title{font-size:14px}.choose-title{font-size:22px;margin-bottom:25px}.simple-footer{gap:24px;font-size:12px;padding:25px 0}.task-instruction{font-size:15px;margin-bottom:20px}.task-bottom{flex-wrap:wrap}.mission-feedback{width:100%;font-size:13px}.mission-success{justify-content:space-between;gap:12px}.mission-success>span{font-size:14px}.goal-checklist{gap:7px 12px;justify-content:flex-start}.goal{font-size:11px}.click-stage{height:360px}.folder-grid{grid-template-columns:repeat(2,1fr);gap:12px;padding:15px 0}.big-folder{min-height:130px}.big-folder strong{font-size:15px}.drop-zones{gap:12px}.drop-zone{min-height:205px}.drop-zone strong{font-size:14px}.drop-zone>span{font-size:12px}.drag-items{gap:7px;flex-wrap:wrap}.drag-item{padding:12px;font-size:12px}.pixel-workspace{gap:15px}.pixel-workspace h3{font-size:14px}.pixel-workspace>div{max-width:calc((100% - 15px)/2)}.text-reference p{font-size:18px}.drawing-controls{gap:8px;flex-wrap:wrap}.drawing-controls .btn{font-size:12px}.color-palette button{width:29px;height:29px}.slider-row,.settings-panel .slider-row,.audio-controls .slider-row{grid-template-columns:90px 1fr 54px;gap:8px;font-size:12px}.color-sample{height:130px;width:130px}.color-goal{width:75px;height:75px}.format-toolbar{gap:8px;flex-wrap:wrap}.format-toolbar label,.format-toolbar select{font-size:12px}.shape-items,.shape-targets{gap:7px}.shape-items button,.shape-targets button{font-size:11px;padding:10px 5px}.shape-items svg,.shape-targets svg{height:50px}.form-columns{flex-direction:column;gap:0}.settings-lab{grid-template-columns:1fr}.sound-cards{gap:8px}.sound-card{padding:18px 8px}.sound-card strong{font-size:14px}.sound-card .btn{font-size:11px;padding:8px}.cipher-table{grid-template-columns:repeat(9,1fr)}.cipher-table span,.cipher-table strong{font-size:13px}.order-workspace{grid-template-columns:1fr}.coordinates-workspace{flex-direction:column;align-items:center}.coordinate-grid{grid-template-columns:25px repeat(4,46px);grid-template-rows:25px repeat(4,43px);gap:5px}.coordinate-grid button{height:43px;width:46px}.fm-nav{width:112px;padding:6px}.fm-nav button{font-size:11px;padding:10px 5px;gap:5px}.fm-nav .icon{width:15px;height:15px}.fm-toolbar{padding:8px;gap:4px}.fm-toolbar button{font-size:11px;padding:8px 6px}.fm-toolbar .icon{width:14px;height:14px}.file-name{font-size:12px}.file-type{display:none}.fm-list{padding:8px}.file-row{padding:12px 5px}.file-name .icon{width:17px;height:17px}.fm-location{flex-wrap:wrap;padding:10px}.fm-search{width:100%}.breadcrumbs,.breadcrumbs button{font-size:11px}.fm-body{min-height:330px}.fm-status{font-size:11px;padding:10px}.file-preview pre{font-size:13px}.multi-files{grid-template-columns:repeat(2,1fr)}.multi-files strong{font-size:13px}.progress-overview{flex-direction:column;align-items:flex-start;padding:20px}.progress-score{border:0}.progress-areas{grid-template-columns:1fr}.teacher-coverage td,.teacher-coverage th{font-size:12px;padding:10px 8px}dialog{padding:23px}.audio-controls{padding:17px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

.shape-items button.placed{opacity:.48}.shape-items button.placed.selected{opacity:1}

.help-use summary{cursor:pointer;font-size:14px;color:#455b75;padding:8px 0}.help-use p{font-size:14px;line-height:1.6;margin:10px 0}

/* Shared layout: shrink within the page, wrap content, and keep controls readable. */
.simple-header .header-actions,.simple-back{flex-shrink:0}
.simple-header h1,.field,.goal,.mission-feedback{min-width:0;overflow-wrap:anywhere}
.task-bottom,.mission-success{flex-wrap:wrap}
.context-folder{max-width:100%}
.context-folder strong{overflow-wrap:anywhere;line-height:1.4}
.mini-menu{right:auto;bottom:auto;left:8px;top:8px;min-width:170px;max-width:calc(100% - 16px);padding:6px;background:white;border-color:#d5dfe9}
.mini-menu button{width:100%;min-height:44px;font-size:15px;padding:10px 12px;border-radius:5px;text-align:left}
.mini-menu button:hover{background:#f0edf7}
.context-form{max-width:360px;margin:22px auto 0;border:1px solid #dce3ed;background:white}
.context-form .field{margin-top:0}
.context-form-actions{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}
.hover-tools{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;max-width:380px;margin-inline:auto}
.hover-tool{width:100%;max-width:95px;height:auto;aspect-ratio:1;justify-self:center}
.tooltip{font-size:14px}
.form-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.form-columns>.field{width:auto;margin:0 0 18px}
.shape-items,.shape-targets{grid-template-columns:repeat(4,minmax(0,1fr))}
.shape-items button,.shape-targets button{min-width:0;font-size:14px}
.shape-items span,.shape-targets span,.multi-files strong{overflow-wrap:anywhere}
.sound-cards{grid-template-columns:repeat(3,minmax(0,1fr))}
.sound-card{min-width:0}
.sound-card .btn{font-size:14px;min-height:44px}
.slider-row,.settings-panel .slider-row,.audio-controls .slider-row{grid-template-columns:130px minmax(0,1fr) 76px}
.slider-row input[type=number]{font-size:16px;min-height:42px}
.slider-row>span{overflow-wrap:anywhere}
.position-field{position:absolute;inset:32px}
.keyboard-start{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:0 0 18px}
.keyboard-status,.keyboard-guide,.selection-status{font-size:14px;line-height:1.6;color:var(--muted);overflow-wrap:anywhere}
.keyboard-status{flex:1;min-width:170px}
.keyboard-guide{margin:12px 0 18px}
.keyboard-progress{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:14px;color:var(--muted)}
.keyboard-progress .done{color:#367355}
.file-row{user-select:none}
.file-row:focus-visible{outline:3px solid #6651c6;outline-offset:-3px}
.selection-editor{line-height:1.8;white-space:pre-wrap}
.keyboard-form .keyboard-checkbox{display:flex;align-items:center;gap:10px;margin:0 0 20px;font-size:16px}
.keyboard-form input[type=checkbox]{width:20px;height:20px;accent-color:#367355}
.keyboard-form input:focus-visible,.keyboard-form select:focus-visible,.keyboard-form button:focus-visible{outline:3px solid #6651c6;outline-offset:3px}
.drawing-controls .btn,.coordinates-workspace .btn,.order-result .btn{font-size:14px;min-height:42px;padding:9px 12px}
.drawing-controls .btn .icon,.order-result .btn .icon{width:18px;height:18px}
.brush-control select{font-size:14px;min-height:40px}
.color-preview .eyebrow,.coordinate-grid>strong,.coordinates-workspace .eyebrow,.practice-form>.eyebrow{font-size:14px}
.practice-form>.muted,.settings-preview small,.sound-transcript,.audio-time,.cipher-message>span:last-child{font-size:14px;line-height:1.6}
.settings-preview.dark .eyebrow,.settings-preview.dark small{color:#cbd8ce}
.mock-search{flex-wrap:wrap}
.mock-search input{flex:1;min-width:100px;width:auto;font-size:16px}
.mock-search .btn{font-size:14px;min-height:44px}
.browser-bar{font-size:12px;gap:12px;flex-wrap:wrap}
kbd{font-size:13px}
.coordinate-list{font-size:16px;white-space:normal}
.coordinates-workspace>div:last-child{min-width:0}
.file-name>span,.fm-nav button>span{min-width:0;overflow-wrap:anywhere}
.file-name small{font-size:12px;line-height:1.5}
.breadcrumbs{min-width:0;max-width:100%}
.breadcrumbs button{max-width:100%;overflow-wrap:anywhere;text-align:left}
.fm-search{max-width:100%}
.fm-empty{height:auto;min-height:240px;padding:20px 8px}
dialog{overflow:auto}
dialog h2,.fm-dialog .muted{overflow-wrap:anywhere}
.dialog-actions{flex-wrap:wrap}
.profile-list button>span{min-width:0;overflow-wrap:anywhere}
.profile-list small{flex-shrink:0}
.teacher-coverage th,.teacher-coverage td{overflow-wrap:anywhere}

@media(max-width:900px){
  .slider-row,.settings-panel .slider-row,.audio-controls .slider-row{grid-template-columns:115px minmax(0,1fr) 72px;gap:12px}
}
@media(max-width:600px){
  .form-columns{grid-template-columns:minmax(0,1fr);gap:0}
  .slider-row,.settings-panel .slider-row,.audio-controls .slider-row{grid-template-columns:90px minmax(0,1fr) 68px;gap:8px}
  .fm-list-head>span:last-child{display:none}
  .color-preview{gap:20px}
  .shape-items,.shape-targets{gap:10px}
  .coordinates-workspace>div:last-child{width:100%}
}
@media(max-width:480px){
  .context-stage{padding:22px 14px}
  .shape-items,.shape-targets{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sound-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sound-card:first-child{grid-column:1 / -1}
  .color-preview{flex-wrap:wrap;justify-content:center;gap:24px}
}
/* Practical workspaces: the same quiet paper and short controls as other tasks. */
.area-selection{grid-template-columns:repeat(3,minmax(0,1fr))}
.work-paper{background:#fff;border:1px solid #dce3ea;border-radius:9px;padding:26px;max-width:800px;margin:auto}
.practice-toolbar,.file-reopen,.zoom-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:14px}
.practice-toolbar{margin:12px 0 20px}.practice-toolbar .field{flex:1;min-width:190px;margin:0}.practice-toolbar>.btn{align-self:flex-end}
.file-reopen{border-top:1px solid #e6eaf0;padding-top:20px}.file-reopen>span{font-size:14px;color:#657180;flex:1;min-width:180px}
.practice-status{color:#596778;font-size:14px;margin:18px 0 0;overflow-wrap:anywhere}
.work-file-preview{background:#f6f8fa;border:1px solid #e3e8ee;border-radius:6px;padding:18px;margin-top:18px}.work-file-preview pre{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;line-height:1.6;margin:12px 0 0}
.pack-files{display:grid;gap:10px;margin-bottom:24px}.pack-files label{display:flex;align-items:center;gap:12px;min-height:62px;padding:14px;border:1px solid #e0e6ee;border-radius:6px;cursor:pointer}.pack-files label:has(input:checked){background:#eef5f1;border-color:#87ae96}.pack-files span{min-width:0}.pack-files strong,.pack-files small{display:block;overflow-wrap:anywhere}.pack-files small{color:#627181;margin-top:5px;font-size:13px;line-height:1.5}
.source-card{display:flex;flex-direction:column;gap:8px;background:#f2f5fa;padding:18px;border-radius:7px;margin-bottom:22px;line-height:1.6;font-size:15px}.source-card span{color:#596778}
.table-scroll{overflow-x:auto;max-width:100%}.data-table{width:100%;border-collapse:collapse;text-align:left;font-size:15px;table-layout:fixed}.data-table caption{text-align:left;font-size:19px;font-weight:600;padding:0 0 18px;color:#354354}.data-table th,.data-table td{padding:15px 13px;border-bottom:1px solid #e1e7ef;overflow-wrap:anywhere}.data-table thead{background:#f1f5fa}.data-table tbody th{font-weight:500}.data-table th:first-child{width:40%}.data-table th:last-child{width:30%}.data-table th button{width:100%;text-align:left;font-weight:600;padding:0;min-height:28px}.data-table input{width:100%;padding:10px 8px;font-size:15px}.table-filters{display:flex;flex-wrap:wrap;gap:18px;margin-bottom:22px}.table-filters .field{flex:1;min-width:190px;margin:0}.table-answer{max-width:340px;margin-top:24px}
.sharing-workspace{display:grid;grid-template-columns:1fr 1.1fr;gap:24px;max-width:820px;margin:auto}.shared-document{background:#fff;border:1px solid #e1e7ef;border-radius:8px;padding:30px;height:fit-content;line-height:1.7}.shared-document h3{font-size:23px;margin:18px 0}.share-panel{background:#fff;border:1px solid #dce3ea;border-radius:8px;padding:24px}.share-panel .field{margin-bottom:18px}.share-panel select{width:100%}.share-summary{font-size:14px;line-height:1.6;border-top:1px solid #e6eaf0;margin-top:18px;padding-top:18px}.share-summary ul{padding-left:19px;margin:8px 0 0}
.find-browser .browser-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;height:auto;min-height:48px}.find-browser .browser-bar button{display:flex;align-items:center;gap:7px;font-size:14px;min-height:40px;color:#435671}.find-panel{display:flex;align-items:center;gap:8px;padding:12px;background:#f1f5fa;border-bottom:1px solid #dce3ea}.find-panel label{flex:1;min-width:100px}.find-panel input{width:100%;padding:9px 11px}.find-panel>span{white-space:nowrap;font-size:13px;min-width:36px}.find-panel button{width:38px;height:38px;border-radius:6px;background:#fff;flex-shrink:0;display:grid;place-items:center}.find-document{height:330px;overflow-y:auto;padding:24px 28px;scroll-padding:16px;background:white}.find-document section{margin-bottom:32px}.find-document h3{font-size:18px;margin-bottom:10px}.find-document p{font-size:16px;color:#3a4859;margin:0}.find-hit{background:#fff2af;padding:0 2px;color:inherit}.find-hit.current{background:#ffd37a;outline:2px solid #dc9d3e;outline-offset:1px}.find-answer{max-width:340px;margin:24px auto 0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.zoom-toolbar{justify-content:center;margin-bottom:20px}.zoom-toolbar output{min-width:75px;text-align:center;font-size:16px}.zoom-toolbar>.btn{min-width:44px}.zoom-viewport{border:1px solid #e1e7ef;background:#f1f5f9;border-radius:6px;padding:22px;max-height:320px;overflow:auto;margin-bottom:24px}.zoom-paper{background:white;padding:24px;line-height:1.65;overflow-wrap:anywhere}.zoom-paper h3{font-size:1.25em}.zoom-paper p{font-size:1em}
.network-panel{background:#f1f5fa;border:1px solid #dce3ea;padding:18px;border-radius:6px;margin-bottom:20px;max-width:420px}.network-panel .field{margin-top:18px}.checkbox-line{display:flex;align-items:center;gap:10px;min-height:34px}.network-page{min-height:160px;border:1px solid #e1e7ef;border-radius:6px;padding:24px;margin-bottom:18px}.network-page h3{font-size:22px}.closed-document{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:24px 0}.unsaved-dialog{max-width:560px}.unsaved-dialog h3{font-size:21px}.unsaved-dialog .dialog-actions{flex-wrap:wrap}
@media(max-width:900px){.area-selection{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:600px){.area-selection{grid-template-columns:repeat(2,minmax(0,1fr))}.work-paper{padding:17px}.practice-toolbar .field,.table-filters .field{min-width:0;flex-basis:100%}.practice-toolbar>.btn{width:100%}.sharing-workspace{grid-template-columns:1fr;gap:16px}.shared-document{padding:22px}.share-panel{padding:18px}.data-table{font-size:13px}.data-table th,.data-table td{padding:12px 7px}.data-table input{font-size:13px;padding:9px 5px}.data-table caption{font-size:17px}.source-card{font-size:14px;padding:14px}.find-document{padding:20px 18px;height:300px}.find-panel{gap:4px;padding:8px;flex-wrap:wrap}.find-panel label{min-width:100%;}.find-panel button{width:40px;height:40px}.find-panel>span{margin-right:auto}.find-document p{font-size:15px}.find-browser .browser-bar{font-size:12px}.zoom-viewport{padding:12px}.zoom-paper{padding:16px}.network-page{padding:18px}}

/* Shared worksheet: familiar cells, one small toolbar and a real formula bar. */
.sheet-layout{max-width:1020px;margin:0 auto;min-width:0}.spreadsheet{background:white;border:1px solid #cdd8d1;border-radius:7px;overflow:hidden;min-width:0;box-shadow:0 4px 16px #283d2e08}.sheet-titlebar{display:flex;gap:9px;align-items:center;min-height:43px;padding:10px 16px;background:#28694e;color:white;font-size:14px}.sheet-titlebar .icon{width:19px;height:19px}.sheet-titlebar strong{font-weight:600}.sheet-titlebar>span{margin-left:auto;font-size:11px;color:#dbece1}.sheet-toolbar{display:flex;align-items:center;gap:5px;flex-wrap:wrap;min-height:49px;padding:7px 10px;background:#f7f9f7;border-bottom:1px solid #dce3de}.sheet-toolbar button{display:flex;align-items:center;gap:6px;padding:8px 10px;min-height:33px;font-size:14px;border:1px solid transparent;border-radius:4px;color:#35473d}.sheet-toolbar button:hover:not(:disabled){border-color:#b9cec0;background:#eaf2ec}.sheet-toolbar button:disabled{opacity:.35}.sheet-toolbar .icon{width:17px;height:17px}.sheet-tool-label{font-size:12px;color:#5c6d63;margin:0 5px}.sheet-edit-hint{margin-left:auto;font-size:11px;color:#68786e;padding:4px 5px}.sheet-formulabar{display:flex;align-items:center;gap:9px;padding:7px 9px;border-bottom:1px solid #d7dfda;font-size:14px;background:#fff}.sheet-formulabar output{display:flex;align-items:center;justify-content:center;min-width:88px;padding:7px 5px;border:1px solid #d7dfda;border-radius:3px;font:13px Consolas,monospace;color:#31483a}.sheet-formulabar>span{font:italic 16px Georgia,serif;color:#6a7e70;padding:0 5px}.sheet-formulabar input{min-width:0;width:100%;flex:1;padding:7px 8px;border:1px solid #d7dfda;border-radius:3px;font:14px Consolas,monospace;background:#fff;color:#263a2d;box-shadow:none}.sheet-formulabar input:focus{border-color:#27774b;outline:1px solid #27774b}.sheet-formulabar button{width:31px;height:31px;color:#297449;font-size:20px}.sheet-scroll{overflow:auto;max-width:100%}.sheet-grid{width:100%;border-collapse:collapse;table-layout:fixed;font:14px Arial,sans-serif;color:#26352c}.sheet-grid .sheet-row-number{width:37px}.sheet-grid .sheet-col-0{width:30%}.sheet-grid thead th{height:28px;background:#f0f3f0;font-size:12px;font-weight:500;text-align:center;color:#52695b;border:1px solid #d6ded8;border-top:0}.sheet-grid tr>th{background:#f0f3f0;text-align:center;font-size:12px;font-weight:500;color:#52695b;padding:0;border:1px solid #d6ded8;user-select:none}.sheet-grid td{border:1px solid #e0e6e1;height:35px;padding:0;position:relative;cursor:cell;background:#fff;outline:0;vertical-align:middle}.sheet-grid td>span{display:block;min-height:34px;line-height:24px;padding:5px 10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;user-select:none}.sheet-grid td.numeric-cell{text-align:right}.sheet-grid tr.sheet-data-header td{background:#edf3ef;font-weight:600;font-size:12px;color:#354e3e}.sheet-grid tr.sheet-data-header td>span{white-space:normal;line-height:17px;padding:8px 9px;min-height:38px;overflow-wrap:anywhere}.sheet-grid .sheet-total-row td{font-weight:600;background:#f5f8f5;border-top:2px solid #ccd9cf}.sheet-grid td.selected-cell{background:#e9f3ec}.sheet-grid td.active-cell{box-shadow:inset 0 0 0 2px #287b4c;z-index:1;background:#fff}.sheet-grid td.active-cell::after{content:'';position:absolute;bottom:0;right:0;width:5px;height:5px;background:#287b4c;pointer-events:none}.sheet-grid td:focus-visible{box-shadow:inset 0 0 0 2px #287b4c}.sheet-grid td.error-cell{color:#a84239}.sheet-grid td input[data-cell-editor]{position:absolute;inset:0;width:100%;height:100%;min-height:34px;margin:0;padding:5px 10px;border:0;border-radius:0;outline:0;background:white;color:#26352c;font:14px Arial,sans-serif;box-shadow:inset 0 0 0 2px #287b4c;text-align:inherit}.sheet-footer{display:flex;gap:15px;align-items:center;min-height:38px;background:#f3f6f3;border-top:1px solid #d5ded8;padding:0 12px;color:#5c7063;font-size:11px}.sheet-tab{display:flex;align-items:center;height:38px;background:white;border-bottom:3px solid #29774c;padding:0 18px;font-weight:600;color:#29774c;flex-shrink:0}.sheet-footer [role=status]{margin-left:auto;text-align:right}.sheet-exercise-tools{max-width:1020px;margin:0 auto 20px;padding:14px 16px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;background:#f1f4f8;border:1px solid #dce3eb;border-radius:8px}.sheet-exercise-label{font-size:12px;color:#657483;flex-shrink:0}.sheet-sort-actions{display:flex;gap:8px;flex-wrap:wrap}.sheet-sort-actions button{padding:10px 14px;min-height:40px;border:1px solid #cbd6e1;border-radius:6px;background:white;font-size:14px;color:#354b60}.sheet-sort-actions button:hover{background:#e7edf4}.sheet-sort-actions button[aria-pressed=true]{background:#374b60;border-color:#374b60;color:white}.sheet-filterbar{display:flex;gap:14px;align-items:end;flex-wrap:wrap;flex:1;min-width:0}.sheet-filterbar label{display:flex;flex-direction:column;gap:6px;font-size:12px;color:#536779;flex:1;min-width:150px;max-width:240px}.sheet-filterbar input,.sheet-filterbar select{width:100%;font-size:14px;border:1px solid #cbd6e1;border-radius:5px;background:#fff;min-height:40px;padding:8px 10px;color:#30465b}.sheet-filterbar button{font-size:13px;text-decoration:underline;padding:10px 4px;min-height:40px;color:#436079}.sheet-source{max-width:1020px;margin:0 auto 18px}.sheet-answers{display:flex;flex-wrap:wrap;gap:20px;max-width:1020px;margin:22px auto 0}.sheet-answers .field{flex:1;min-width:200px;max-width:360px;margin:0;font-size:14px}.sheet-answers input{font-size:16px;min-height:43px;background:white;border-color:#d5dfe0}.sheet-layout.has-chart{display:grid;grid-template-columns:minmax(360px,1fr) minmax(330px,1fr);gap:20px;align-items:start}.sheet-chart-panel{background:#fff;border:1px solid #d7e0de;border-radius:7px;padding:18px 12px;min-width:0;min-height:260px}.sheet-chart-figure{margin:0}.sheet-chart-figure figcaption{text-align:center;font-size:16px;font-weight:600;color:#364e41;padding:6px 12px 12px}.sheet-chart-figure svg{width:100%;height:auto;display:block;font-family:Arial,sans-serif}.chart-unit{font-size:20px;fill:#536b5d}.chart-tick,.chart-label{font-size:21px;fill:#52685a}.chart-value{font-size:23px;font-weight:600;fill:#344f3f}.chart-gridline{stroke:#e1e8e2;stroke-width:1}.chart-axis{stroke:#bdccc0;fill:none}.chart-column{fill:#549773}.chart-line{stroke:#4d8cba;stroke-width:4;fill:none;stroke-linejoin:round}.chart-dot{fill:#4d8cba;stroke:white;stroke-width:2}.chart-empty{display:flex;align-items:center;justify-content:center;text-align:center;min-height:215px;max-width:300px;margin:auto;font-size:14px;line-height:1.7;color:#748479}.excel-transfer{display:flex;align-items:center;gap:15px;flex-wrap:wrap;max-width:1020px;margin:22px auto 0;font-size:12px;color:#66766b}.excel-transfer .btn{font-size:13px;min-height:40px}.activity-page[data-kind=sheet],.activity-page[data-kind=table]{max-width:1060px}
@media(max-width:900px){.sheet-layout.has-chart{grid-template-columns:1fr;max-width:720px}.sheet-chart-panel{max-width:650px;width:100%;margin:0 auto}.sheet-chart-figure svg{max-height:340px}.sheet-edit-hint{display:none}}
@media(max-width:600px){.sheet-titlebar{padding:9px 12px}.sheet-toolbar{padding:6px;gap:3px}.sheet-toolbar button{font-size:12px;padding:7px 8px}.sheet-formulabar{gap:5px;padding:6px}.sheet-formulabar output{min-width:73px;font-size:11px}.sheet-formulabar input{font-size:12px}.sheet-grid{min-width:430px;font-size:13px}.sheet-grid td>span{padding:5px 8px}.sheet-grid tr.sheet-data-header td{font-size:11px}.sheet-footer{gap:7px;padding:0 7px;font-size:10px}.sheet-tab{padding:0 9px}.sheet-answers{gap:13px;margin-top:18px}.sheet-answers .field{max-width:none;min-width:100%;font-size:13px}.sheet-chart-panel{padding:12px 6px}.sheet-exercise-tools{padding:12px;gap:10px}.sheet-sort-actions{width:100%}.sheet-sort-actions button{flex:1;font-size:13px;padding:9px 10px}.sheet-filterbar{gap:10px}.sheet-filterbar label{min-width:130px;max-width:none}.sheet-source{font-size:13px}.excel-transfer{gap:10px}}

/* Audio: one transport, a distinct reference and two comparison choices. */
.audio-player,.sound-match{max-width:760px;margin:0 auto}
.audio-player{padding:28px;border:1px solid #dce2eb;border-radius:14px;background:#fff;box-shadow:0 6px 22px #34455608}
.audio-track-heading{display:flex;align-items:center;gap:14px;margin-bottom:24px}
.audio-track-heading>.icon{width:42px;height:42px;padding:9px;background:#f0edf8;border-radius:11px;color:#7764a0}
.audio-track-heading strong{display:block;font-size:19px;font-weight:600}
.audio-track-heading span{display:block;margin-top:5px;font-size:13px;color:#6f7c89}
.audio-wave{--audio-progress:0%;height:80px;position:relative;display:flex;align-items:center;justify-content:space-between;gap:4px;padding:12px 10px;background:#f5f6fa;border-radius:8px;overflow:hidden;margin-bottom:22px}
.audio-wave:before{content:'';position:absolute;inset:0 auto 0 0;width:var(--audio-progress);background:#e8e4f4}
.audio-wave:after{content:'';position:absolute;top:8px;bottom:8px;left:var(--audio-progress);width:2px;background:#8270ad}
.audio-wave i{position:relative;width:5px;border-radius:4px;background:#a6aac1;flex:1}
.audio-player.is-playing .audio-wave i{background:#8d82af}
.audio-transport{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:24px}
.audio-player .audio-play{width:auto;height:auto;min-width:150px;min-height:48px;border-radius:8px;font-size:15px}
.audio-transport .audio-time{display:flex;gap:12px;align-items:center;margin-left:auto;font:14px Consolas,monospace;color:#6b7886}
.audio-time>span+span:before{content:'/';margin-right:12px;color:#a3adba}
.audio-player .audio-controls{padding:0;background:transparent;border:0}
.audio-player .slider-row{grid-template-columns:145px minmax(0,1fr) 78px;gap:15px;font-size:14px;margin:16px 0}
.audio-player .toggle-row,.sound-match .toggle-row{font-size:14px;margin:18px 0 0;gap:12px;justify-content:flex-start}
.audio-status,.sound-status{min-height:24px;font-size:14px;color:#647382;line-height:1.6;margin:20px 0 0}
.sound-match .sound-card{padding:22px;border:1px solid #dce2eb;border-radius:12px;background:white;text-align:left;min-width:0}
.sound-match .sound-reference{margin-bottom:20px;background:#f3f0fa;border-color:#ddd6ed}
.sound-card-heading{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:18px}
.sound-match .sound-card strong{font-size:17px;font-weight:600;display:inline;margin:0}
.sound-card-heading>.icon{color:#8873ad;width:23px;height:23px}
.sound-card-heading [data-audition-status]{font-size:12px;color:#6f7b89;margin-left:auto}
.sound-card-controls{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.sound-match .sound-card .btn{font-size:14px;padding:10px 14px;min-height:43px;margin:0}
.sound-match .sound-card .btn .icon{width:18px;height:18px}
.sound-match .sound-answer{margin-left:auto!important}
.sound-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.sound-options .sound-card{grid-column:auto}
.sound-card.is-playing{border-color:#9a89ba;box-shadow:0 0 0 2px #eae4f3}
.sound-card.is-selected{border-color:#6d81a0;background:#f0f4f9}
.sound-answer[aria-pressed=true]{background:#374b60;color:#fff;border-color:#374b60}
.sound-card progress{display:block;appearance:none;width:100%;height:4px;border:0;border-radius:4px;margin:18px 0 0;background:#e9edf2;color:#9383b3}
.sound-card progress::-webkit-progress-bar{background:#e9edf2;border-radius:4px}
.sound-card progress::-webkit-progress-value{background:#9383b3;border-radius:4px}
.sound-card progress::-moz-progress-bar{background:#9383b3;border-radius:4px}
.sound-match .sound-transcript{display:block;margin:16px 0 0;font-size:14px;color:#546274}
.sound-match-footer{padding:0 4px}
@media(max-width:600px){.audio-player{padding:20px 16px}.audio-track-heading{margin-bottom:18px}.audio-track-heading strong{font-size:17px}.audio-wave{gap:2px;height:64px}.audio-transport{gap:9px}.audio-player .audio-play{min-width:130px}.audio-transport .audio-time{width:100%;justify-content:flex-end}.audio-player .slider-row{grid-template-columns:95px minmax(0,1fr) 68px;gap:8px;font-size:12px}.sound-match .sound-card{padding:18px 16px}.sound-options{gap:12px}.sound-card-heading [data-audition-status]{width:100%;margin:0}.sound-match .sound-answer{margin-left:0!important}.sound-status,.audio-status{font-size:13px}}
@media(max-width:440px){.sound-options{grid-template-columns:1fr}.sound-match .sound-card-controls{justify-content:space-between}}

/* Folder contents and location stay separate from the main-folder shortcuts. */
.fm-location{gap:10px;justify-content:flex-start}
.fm-up{width:34px;height:34px;flex-shrink:0;display:grid;place-items:center;border:1px solid #dce3eb;border-radius:5px}
.fm-up .icon{transform:rotate(-90deg);width:18px;height:18px}
.fm-up:hover:not(:disabled){background:#edf2f7}
.fm-location .breadcrumbs{flex:1;min-width:140px;font-size:14px;gap:6px;color:#536477}
.breadcrumbs button{padding:7px 5px;border-radius:4px;overflow-wrap:anywhere;text-align:left;min-height:34px}
.breadcrumbs button:hover{background:#eef3f8}.breadcrumbs button[aria-current=location]{color:#30475f;font-weight:600}
.fm-location .fm-search{width:245px;background:#fff;border-color:#d8e1eb;flex-shrink:0}
.fm-name-tip{font-size:13px;color:#647382;line-height:1.6;margin:0 0 18px}
@media(max-width:600px){.fm-location .breadcrumbs{font-size:12px;min-width:100px}.fm-location .fm-search{width:100%;margin-top:2px}.fm-toolbar{gap:6px}.fm-toolbar button{font-size:12px}.fm-nav button{font-size:12px}}

/* A small working ribbon: the Insert tab contains actual chart commands. */
.sheet-grid{user-select:none}.sheet-grid input{user-select:text}
.sheet-ribbon-tabs{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:0 10px;background:#f7f9f7;border-bottom:1px solid #dce3de;flex-wrap:wrap}
.sheet-ribbon-tabs [role=tablist]{display:flex;gap:4px}
.sheet-ribbon-tabs [role=tab]{padding:12px 15px;font-size:14px;border-bottom:3px solid transparent;min-height:44px}
.sheet-ribbon-tabs [role=tab][aria-selected=true]{border-bottom-color:#28694e;color:#28694e;font-weight:600;background:#edf3ee}
.sheet-ribbon-tabs [data-sheet-undo]{display:flex;align-items:center;gap:6px;padding:8px;font-size:12px;min-height:36px}
.sheet-ribbon-tabs [data-sheet-undo] .icon{width:17px;height:17px}
.sheet-ribbon-tabs+.sheet-toolbar{min-height:49px}.sheet-insert-tools{display:flex;flex-direction:column;align-items:flex-start;gap:5px;padding:12px 14px 7px;min-height:104px}
.sheet-chart-tools{display:flex;gap:8px;flex-wrap:wrap}
.sheet-chart-tools button{display:flex;flex-direction:column;gap:8px;align-items:center;font-size:13px;min-width:126px;padding:9px;border:1px solid #d6e2d9;background:#fff}
.sheet-chart-tools .icon{width:27px;height:27px;color:#33724f}
.sheet-insert-tools .sheet-tool-label{font-size:11px;margin:0;color:#67776b}
@media(max-width:600px){.sheet-ribbon-tabs{padding:0 6px}.sheet-ribbon-tabs [role=tab]{padding:11px 12px;font-size:13px}.sheet-ribbon-tabs [data-sheet-undo]{font-size:11px;padding:7px 4px}.sheet-insert-tools{padding:10px 8px 7px}.sheet-chart-tools{gap:6px}.sheet-chart-tools button{min-width:118px;font-size:12px}.sheet-ribbon-tabs+.sheet-toolbar{min-height:40px}}

.sheet-grid td:focus-visible{outline:0;outline-offset:0}.sheet-grid thead th:first-child button{display:block;width:100%;height:27px;font-size:13px;color:#758e7d;text-align:right;padding:0 5px}.sheet-grid thead th:first-child button:hover{background:#d9e8df}.sheet-grid td.formula-reference{background:color-mix(in srgb,var(--ref-color) 7%,white)}.sheet-grid td.formula-reference::before{content:'';position:absolute;inset:0;border-style:solid;border-color:var(--ref-color);border-width:var(--ref-top) var(--ref-right) var(--ref-bottom) var(--ref-left);pointer-events:none;z-index:2}.sheet-footer [data-sheet-reference-key]{display:flex;gap:8px;flex-wrap:wrap;font:12px Consolas,monospace}.sheet-footer [data-sheet-reference-key] span{font-weight:600}

.simple-header h1:focus{outline:none}.task-context{margin:0 auto 8px;max-width:850px;text-align:center;color:#647285;font-size:14px;line-height:1.55}.next-task-label{display:flex;flex-direction:column;align-items:flex-start;gap:3px;text-align:left;min-width:0}.next-task-label small{font-size:11px;font-weight:400}.next-task-label strong{font-size:14px;line-height:1.4;font-weight:600}.mission-success .btn{max-width:100%}.mission-success>.btn svg{flex:none}
.coordinate-selection{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;min-height:42px}.coordinate-pick{display:flex;gap:7px;align-items:center;padding:7px 10px;background:#f0ecf7;border:1px solid #d8cce8;border-radius:6px;color:#5b4675}.coordinate-pick small{color:#756884;font-size:12px}.coordinate-pick>span{border-left:1px solid #d8cce8;padding-left:7px;font-size:18px;font-weight:600}.coordinate-grid button{position:relative}.coordinate-grid button[data-pick-order]::after{content:attr(data-pick-order);position:absolute;top:2px;right:3px;font:10px Arial,sans-serif;color:#63497b}.coordinate-list{font-size:16px}.coordinates-workspace>div:last-child{min-width:0}.coordinates-workspace #coordinates-clear{font-size:13px;padding:8px 12px;min-height:38px}
@media(max-width:600px){.task-context{text-align:left;font-size:13px}.next-task-label strong{font-size:13px}.mission-success>.btn{flex:1}.coordinate-selection{gap:6px}.coordinate-pick{padding:6px 8px}}

/* The first folder lesson uses the same selection/opening distinction as a file browser. */
.folder-explorer{max-width:820px;margin:20px auto;border:1px solid #dce3e9;border-radius:14px;background:#fff;overflow:hidden}
.folder-location{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:16px 20px;background:#f5f7fa;border-bottom:1px solid #e2e7ed}
.folder-location .btn{min-height:40px;font-size:14px;padding:8px 12px}.folder-location .btn .icon{transform:rotate(180deg)}
.folder-breadcrumbs{display:flex;align-items:center;gap:10px;font-size:15px;min-width:0}.folder-breadcrumbs button{padding:7px 4px;color:#465d72;text-decoration:underline;text-underline-offset:3px}.folder-breadcrumbs strong{overflow-wrap:anywhere}
.folder-progress{margin-left:auto;font-size:13px;color:#60707f;white-space:nowrap}
.folder-contents{padding:24px;min-height:325px}.folder-contents:focus{outline:none}.folder-contents:focus-visible{outline:3px solid #9ab5c9;outline-offset:-4px}
.folder-explorer .folder-grid{padding:0;gap:16px}.folder-explorer .big-folder{background:#fff;border:1px solid transparent;border-radius:10px;min-height:155px;gap:7px;padding:16px}.folder-explorer .big-folder:hover{background:#f7f9fb;border-color:#dce5ed}
.folder-explorer .big-folder.selected,.folder-file-row.selected{background:#eaf2f8;border-color:#9ebbd0}.folder-explorer .big-folder>.icon{color:#c39b51;width:68px;height:68px}
.folder-explorer .big-folder:focus-visible,.folder-file-row:focus-visible{outline:2px solid #658da9;outline-offset:2px}
.folder-explorer .folder-visited{display:flex;align-items:center;gap:4px;color:#547b5a;font-size:12px}.folder-explorer .folder-visited .icon{height:14px;width:14px}
.folder-list-head,.folder-file-row{display:grid;grid-template-columns:minmax(0,1fr) 155px;gap:12px;align-items:center;text-align:left}.folder-list-head{color:#6b7885;font-size:12px;border-bottom:1px solid #e4e9ee;padding:8px 12px}
.folder-file-row{border:1px solid transparent;border-radius:7px;width:100%;padding:15px 12px;margin-top:4px}.folder-file-row:hover{background:#f6f8fa}.folder-file-row>span{display:flex;align-items:center;gap:12px;min-width:0}.folder-file-row strong{font-size:16px;font-weight:500;overflow-wrap:anywhere}.folder-file-row .icon{width:26px;height:26px;color:#6a8d9f;flex:none}.folder-file-row small{font-size:13px;color:#657584}
.folder-selection-status{margin:0;padding:14px 20px;border-top:1px solid #e7ecf0;font-size:13px;color:#60707f;background:#fafbfd}.folder-file-preview{margin:22px 0}.folder-file-preview pre{white-space:pre-wrap;overflow-wrap:anywhere;font:16px/1.7 Consolas,monospace}.folder-file-preview svg{width:100%;height:auto;display:block}.folder-preview-dialog{max-width:620px;width:calc(100vw - 40px)}
@media(max-width:600px){.folder-location{padding:12px;gap:8px}.folder-breadcrumbs{font-size:13px}.folder-progress{flex-basis:100%;margin:0}.folder-contents{padding:15px;min-height:290px}.folder-explorer .folder-grid{gap:10px}.folder-explorer .big-folder{padding:12px 5px;min-height:140px}.folder-explorer .big-folder strong{font-size:15px}.folder-list-head,.folder-file-row{grid-template-columns:minmax(0,1fr) 90px;gap:7px}.folder-file-row strong{font-size:14px}.folder-file-row small{font-size:11px}.folder-selection-status{padding:12px;font-size:12px}}
.packing-practice .drag-items{min-height:105px;align-items:flex-start;margin-bottom:8px}.drag-source-status{min-height:24px;text-align:center;font-size:14px;color:#647586;margin:0 0 24px}.packing-bag{border:1px solid #dbe3e9;border-radius:15px;overflow:hidden;background:#f7faf8;min-width:0}.packing-bag:nth-child(2){background:#f9f8fc}.packing-bag.drop-hover{outline:3px solid #92b5a0;outline-offset:2px}.packing-bag .drop-zone{width:100%;border:0;border-radius:0;background:transparent;min-height:185px;padding:22px 14px 15px}.packing-bag .drop-zone>.icon{height:64px;width:64px;color:#6e9681}.packing-bag:nth-child(2) .drop-zone>.icon{color:#9683ad}.packing-bag .placed-items{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;padding:0 14px 14px;min-height:22px}.packing-bag .drag-item{background:#fff;padding:14px;min-width:98px;border:1px solid #d9e2e9;border-radius:10px}.packing-bag .drag-item>.icon{height:26px;width:26px}.bag-empty{text-align:center;color:#758592;font-size:13px;margin:0 14px 20px}
.search-browser .browser-bar{display:flex;align-items:center;gap:12px;padding:10px 14px;background:#eef2f6}.search-browser .browser-bar button{display:grid;place-items:center;flex:none;width:36px;height:36px;border-radius:7px}.search-browser .browser-bar button:hover:not(:disabled){background:#dde6ee}.search-browser .browser-bar .icon{height:20px;width:20px}.search-browser .browser-address{font-size:13px;flex:1;min-width:0;padding:9px 12px;border-radius:6px;background:#fff;overflow-wrap:anywhere;color:#53677a}.search-browser .browser-bar small{font-size:11px;color:#6e7f8e;white-space:nowrap}.search-browser .browser-page{min-height:280px}.search-browser h4{font-size:18px;margin:25px 0 16px}.library-hours{max-width:480px;font-size:16px;line-height:1.7}.library-hours>div{display:flex;gap:20px;justify-content:space-between;border-bottom:1px solid #e2e8ed;padding:10px 0}.library-hours dd{margin:0;font-weight:600}
@media(max-width:600px){.packing-practice .drop-zones{gap:12px}.packing-bag .drop-zone{min-height:150px;padding:15px 8px}.packing-bag .drop-zone>.icon{height:48px;width:48px}.packing-bag .placed-items{padding:0 8px 12px;gap:7px}.packing-bag .drag-item{padding:10px;min-width:75px}.drag-source-status{font-size:12px}.search-browser .browser-bar{gap:6px;padding:8px}.search-browser .browser-bar small{display:none}.search-browser .browser-address{font-size:12px;padding:8px}.search-browser .browser-page{padding:22px 18px}.library-hours{font-size:14px}.library-hours>div{gap:10px}}
.packing-practice [data-item]{touch-action:none;user-select:none;cursor:grab}.packing-practice [data-item]:active{cursor:grabbing}.packing-drag-ghost{position:fixed!important;transform:translate(-50%,-50%);pointer-events:none!important;z-index:50;min-width:90px;background:#fff!important;box-shadow:0 12px 30px #30465730;opacity:.95;padding:18px!important;cursor:grabbing}

/* A clear result and one visible next step after a solved activity. */
.mission-success{justify-content:space-between;gap:16px;padding:14px 18px;background:#edf7f0;border:1px solid #c3decc;border-radius:10px}
.mission-success .completion-status{display:flex;align-items:center;gap:10px;color:#245d3c;font-size:16px;font-weight:600}
.completion-summary{flex:1;min-width:0}.completion-summary:empty{display:none}.completion-summary p{margin:8px 0 0;color:#245d3c;font-size:14px;line-height:1.5}
.completion-status>.icon{width:30px;height:30px;padding:6px;color:#fff;background:#246744;border-radius:50%}
.mission-success>.btn.primary{background:#246744;color:#fff;min-height:48px;padding:11px 16px;gap:18px}
.mission-success>.btn.primary:hover{background:#1b5436}
.mission-success .next-task-label small{font-size:14px;font-weight:700}
.mission-success .next-task-label strong{font-size:12px;font-weight:400;line-height:1.4}
@media(max-width:480px){.mission-success{padding:14px;align-items:stretch;flex-direction:column}.mission-success>.btn.primary{width:100%;justify-content:space-between}.mission-success .completion-status{font-size:15px}}

.sheet-practice-actions{display:flex;justify-content:flex-end;max-width:1020px;margin:14px auto 0}.sheet-practice-actions:has(button[hidden]){display:none}.sheet-practice-actions .btn{font-size:13px;min-height:40px}

/* Keyboard practice: one task card, one response, two continuation choices. */
.key-practice{max-width:640px;margin:auto}
.key-practice-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:14px}
.key-set-picker{display:flex;align-items:center;gap:12px;min-width:0;font-size:14px;color:#536375}
.key-select{position:relative;display:block;width:220px;max-width:100%}
.key-set-picker select{display:block;appearance:none;-webkit-appearance:none;width:100%;min-height:44px;margin:0;padding:10px 38px 10px 12px;font-size:15px;line-height:1.4;background:#fff;border:1px solid #cdd5df;border-radius:6px}
.key-select svg{position:absolute;right:12px;top:50%;transform:translateY(-50%);width:18px;height:18px;pointer-events:none;color:#536375}
.key-practice-count{margin-left:auto;color:#657184;font-size:14px;white-space:nowrap;font-variant-numeric:tabular-nums}
.key-practice .key-target{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:340px;gap:12px;padding:30px 24px 22px;background:#fff;border:2px solid #cbd5df;border-radius:10px;text-align:center;cursor:pointer}
.key-practice .key-target[data-key-state="waiting"]:hover{border-color:#547a9a;background:#fbfdff}
.key-practice .key-target[data-key-state="active"]{border-color:#547a9a}
.key-practice .key-target:focus-within,.key-practice .key-target:focus-visible{outline:0;box-shadow:0 0 0 3px #dce9f4}
.key-practice .key-target[data-key-state="done"]{min-height:230px;border-color:#cbd5df;cursor:default;box-shadow:none}
.key-practice .key-target strong{display:inline-flex;align-items:center;justify-content:center;min-width:120px;min-height:112px;max-width:100%;margin:0;padding:12px 24px;background:#fafbfc;border:1px solid #ccd5df;border-bottom:4px solid #c4ceda;border-radius:9px;box-shadow:none;color:#344454;font-size:64px;font-weight:600;line-height:1}
.key-practice .key-name{color:#344454;font-size:16px;font-weight:500;line-height:1.4}
.key-practice .key-target[data-key-state="done"] strong{min-width:44px;min-height:44px;padding:0;border:0;border-radius:50%;background:#e8f3ec;color:#2f6847;font-size:27px}
.key-practice .key-target[data-key-state="done"] .key-name{font-size:21px;font-weight:600}
.key-practice [data-key-description]{max-width:560px;margin:0;color:#526171;font-size:14px;line-height:1.6}
.key-practice [data-key-location]{color:#657589;font-size:13px;line-height:1.5}
.key-practice [data-key-description]:empty,.key-practice [data-key-location]:empty{display:none}
.key-practice .key-focus-prompt{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:42px;max-width:100%;padding:9px 16px;border-radius:6px;background:#376487;color:#fff;font-size:15px;font-weight:600;line-height:1.45}
.key-practice .key-start-icon{width:20px;height:20px;flex-shrink:0}
.key-practice .key-target[data-key-state="active"] .key-focus-prompt{background:transparent;color:#376487;font-weight:500}
.key-practice .key-target[data-key-state="active"] .key-start-icon{display:none}
.key-practice .key-target[data-key-state="active"] .key-focus-prompt:before{content:"";width:7px;height:7px;flex-shrink:0;border-radius:50%;background:#547a9a}
.key-practice .key-target[data-key-state="done"] .key-focus-prompt,.key-practice .key-target[data-key-state="done"] .key-response{display:none}
.key-practice .key-capture{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);clip-path:inset(50%);white-space:nowrap;border:0;outline:0}
.key-response{min-height:28px}
.key-practice .key-last{display:block;min-height:0;padding:0;margin:0;border:0;border-radius:0;background:transparent;color:#657184;font-size:17px;line-height:1.6;overflow-wrap:anywhere;text-align:center}
.key-practice .key-last[data-result="correct"]{background:transparent;color:#2f6847}
.key-practice .key-last[data-result="wrong"]{background:transparent;color:#8b591b}
.key-practice-feedback{margin:3px 0 0;color:#8b591b;font-size:13px;line-height:1.6;min-height:0;text-align:center}
.key-practice-feedback:empty{display:none}
.key-practice .key-progress{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:7px;width:100%;margin:8px 0 0;padding-top:20px;border-top:1px solid #e5e9ee}
.key-practice .key-progress span{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;min-width:40px;height:40px;padding:0 10px;border:1px solid #dce2e9;border-radius:5px;background:#fff;box-shadow:none;color:#67768a;font-size:15px;font-weight:500;line-height:1;text-align:center;white-space:nowrap}
.key-practice .key-progress .current{border-color:#547e9e;background:#edf4fa;color:#2e5575;font-weight:700}
.key-practice .key-progress .done{border-color:#e1e6eb;background:#f5f7f9;color:#43566c}
.key-practice-actions{display:flex;align-items:stretch;gap:12px;margin-top:18px}
.key-practice-actions:has(>button[hidden]){display:none}
.key-practice-actions .key-next-button{flex:1;min-width:0;min-height:60px;justify-content:space-between;gap:14px;padding:12px 16px;border:1px solid #376487;border-radius:6px;background:#376487;color:#fff;box-shadow:none;text-align:left}
.key-practice-actions .key-next-button:hover{background:#2c5575;border-color:#2c5575}
.key-practice-actions .key-next-button:focus-visible{outline:3px solid #376487;outline-offset:3px}
.key-next-copy{display:flex;flex-direction:column;gap:3px;min-width:0}
.key-next-copy strong{font-size:15px;font-weight:600;line-height:1.4}
.key-next-copy small{color:#e0ebf3;font-size:12px;font-weight:400;line-height:1.4}
.key-next-button svg{width:20px;height:20px;flex-shrink:0}
.key-practice-actions .key-mission-next{flex:1;min-width:0;padding:0;border:0;border-radius:0;background:transparent}
.key-practice-actions .key-mission-next>.btn.primary{width:100%;min-height:60px;justify-content:space-between;padding:12px 16px;border:1px solid #cbd5df;border-radius:6px;background:#fff;color:#344454;font-size:15px;font-weight:600}
.key-practice-actions .key-mission-next>.btn.primary:hover{background:#f0f4f8}
.activity-page[data-kind="keys"] .task-bottom{display:none}
.task-bottom:has(>.mission-success[hidden]):has(>button[hidden]):has(>.mission-feedback[hidden]){display:none}
.practice-more{display:flex;justify-content:center;margin-top:18px}.practice-more:has(button[hidden]){display:none}.practice-more .btn{font-size:14px;min-height:42px}
@media(max-width:480px){.key-practice-toolbar{gap:12px}.key-select{width:100%}.key-set-picker{flex:1;gap:8px}.key-practice .key-target{padding:24px 15px 18px}.key-practice .key-target strong{min-width:112px;min-height:104px;font-size:60px}.key-practice .key-progress{gap:6px}.key-practice .key-progress span{min-width:36px;height:38px;padding:0 8px}.key-practice-actions{flex-wrap:wrap}.key-practice-actions .key-next-button,.key-practice-actions .key-mission-next{flex-basis:100%}.key-practice .key-last{font-size:16px}}

.learning-level-picker{display:flex;align-items:center;gap:10px;color:#536375;font-size:14px}
.learning-level-picker select{width:auto;min-width:185px;min-height:44px;margin:0;padding:9px 12px;border:1px solid #cdd5df;border-radius:6px;background:#fff;font-size:15px}
.learning-level-note{margin:0 0 22px;color:#657184;font-size:14px;line-height:1.6}
.learning-recommendation{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:0 0 26px;padding:18px 20px;background:#f1f6fb;border:1px solid #d8e3ef;border-radius:10px}
.learning-recommendation>div{min-width:0}.learning-recommendation small{display:block;margin-bottom:5px;color:#536375;font-size:13px}.learning-recommendation h2{margin:0;font-size:18px;line-height:1.4;color:#30465d}.learning-recommendation p{margin:6px 0 0;font-size:14px;line-height:1.5;color:#536375}.learning-recommendation .btn{flex:none;min-height:44px;max-width:100%;white-space:normal;text-align:left}
@media(max-width:600px){.learning-recommendation{align-items:stretch;flex-direction:column;gap:14px;padding:16px}.learning-recommendation .btn{align-self:flex-start}.learning-recommendation h2{font-size:17px}}
@media(max-width:480px){.category-options{flex-wrap:wrap}.learning-level-picker{width:100%}.learning-level-picker select{flex:1}}

.passport-table-wrap{overflow-x:auto;border:1px solid #d8e0e8;border-radius:8px;background:#fff}
.passport-table{width:100%;min-width:570px;border-collapse:collapse;text-align:left;font-size:15px}
.passport-table caption{text-align:left;padding:16px 20px;color:#536477;font-size:14px;border-bottom:1px solid #e2e8ee}
.passport-table thead{background:#f4f6f9;color:#536477}
.passport-table th,.passport-table td{padding:0;border-bottom:1px solid #e7ebf0}
.passport-table thead th{padding:13px 16px;font-size:13px;font-weight:600}
.passport-table tbody th{width:37%;font-weight:500}
.passport-table a{display:flex;align-items:center;gap:9px;min-height:49px;padding:12px 16px;color:#344454}
.passport-table td a{justify-content:space-between;gap:12px}
.passport-table a:hover{background:#edf3f9;color:#2c5575}
.passport-table a:focus-visible{outline:3px solid #376487;outline-offset:-3px;border-radius:3px}
.passport-table .icon{width:17px;height:17px;flex-shrink:0;color:#68819a}
.passport-table td .icon{width:15px;height:15px}
.passport-table small{font-size:13px;color:#657184}
.passport-table .passport-practiced a{color:#2f6847}
.passport-table .passport-practiced .icon{color:#2f6847}
.passport-table .passport-empty{padding:12px 16px;color:#96a2af}
.passport-table tbody tr:last-child th,.passport-table tbody tr:last-child td{border-bottom:0}
.passport-note{margin:14px 0 28px;color:#657184;font-size:13px;line-height:1.6}
.progress-overview{background:#f4f6f9;border-color:#d8e0e8;padding:24px;border-radius:8px}
.progress-score{border-color:#d8e0e8}
.progress-score strong{color:#376487;font-family:inherit;font-size:44px;letter-spacing:-1px;font-weight:600}
.progress-overview h3{color:#344454;font-size:17px}
.progress-overview>div:last-child p,.progress-score p{color:#657184;font-size:14px;line-height:1.6}
.progress-overview .inline-actions .btn{min-height:42px;font-size:13px}
.passport-history summary{padding:14px 0;color:#536477;font-size:15px;cursor:pointer}
.passport-history[open] summary{margin-bottom:12px}
@media(max-width:600px){.progress-overview{flex-direction:column;align-items:flex-start;gap:18px;padding:20px}.progress-score{border-right:0;padding-right:0;text-align:left;display:flex;align-items:baseline;gap:12px}.passport-table a{min-height:48px}}
/* Optional visual device basics appear once in the mouse-area overview. */
.pointer-guide{max-width:960px;margin:0 auto 20px;border:1px solid #dbe4da;border-radius:16px;background:#fcfdf9;color:#263a31}
.pointer-guide>summary{display:flex;align-items:center;gap:14px;padding:14px 18px;cursor:pointer;list-style:none}
.pointer-guide>summary::-webkit-details-marker{display:none}
.pointer-guide>summary strong{display:block;font-size:16px;line-height:1.4}
.pointer-guide>summary small{display:block;margin-top:2px;color:#66746a;font-size:13px}
.pointer-guide-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:11px;background:#eaf1e4;flex-shrink:0;overflow:hidden}
.pointer-guide-icon svg{width:32px;height:32px}
.pointer-guide-open{margin-left:auto;display:flex;align-items:center;gap:9px;font-size:14px;color:#52734f;font-weight:650}
.pointer-guide[open]>summary .pointer-guide-open span{transform:rotate(180deg)}
.pointer-guide-body{border-top:1px solid #e4eadf;padding:18px}
.pointer-choice{display:flex;align-items:center;gap:12px;color:#53624f;font-size:14px}
.pointer-choice select{max-width:100%;padding:8px 12px;border:1px solid #b7c5b2;border-radius:8px;background:#fff;color:#263a31;font:inherit}
.pointer-empty{font-size:14px;margin:16px 0 0;color:#687469}
.pointer-demo{max-width:850px;margin:auto;padding:18px;border:1px solid #e1e8db;border-radius:14px;background:white}
.pointer-demo h2{margin:0;font-size:19px;line-height:1.4}
.pointer-workbench{display:grid;grid-template-columns:180px minmax(0,1fr);gap:22px;align-items:start}
.pointer-hand{border-radius:12px;padding:12px;background:#f4f7ef;color:#607054;font-size:13px}

.pointer-illustration svg{display:block;width:100%;height:auto;max-height:155px;margin:8px auto;pointer-events:none}
.pointer-hand p{line-height:1.5;margin:8px 0 0;font-size:14px;color:#3b5131}
.pointer-caption{font-size:17px;font-weight:650;line-height:1.45;margin:0;color:#293f25}
.pointer-feedback{font-size:13px;line-height:1.45;margin:7px 0 0;color:#64715c;min-height:1.45em}
.pointer-task-copy{min-height:75px;margin-bottom:12px}
.pointer-demo-actions{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:14px;margin-top:12px}
.pointer-demo-actions .btn{font-size:13px;padding:8px 12px;min-height:40px}.pointer-demo-actions .text-button{font-size:13px;color:#476b44;text-decoration:none}
.pointer-demo.practice-done .pointer-caption{color:#3a652b}
.coach-scene{position:relative;min-height:240px;border:1px solid #dce5d4;border-radius:13px;background:radial-gradient(circle at 1px 1px,#dfe7d8 1px,transparent 0) 0 0/18px 18px #fbfcf7;overflow:hidden;user-select:none}
.coach-target{position:absolute;display:grid;place-items:center;width:62px;height:62px;border-radius:50%;transform:translate(-50%,-50%);color:#608b47;background:#e8f1dc;border:2px solid #94ad79;cursor:default}
.coach-target .icon{width:34px;height:34px;fill:#bfda9d;stroke:#5b7e41}.coach-target.done{background:#cce2b9}
.coach-count{position:absolute;right:12px;bottom:11px;font-size:13px;color:#6b775e;font-variant-numeric:tabular-nums}
.coach-lamp{position:absolute;left:50%;top:42px;transform:translateX(-50%);display:grid;justify-items:center;gap:5px;border:0;background:none;cursor:pointer;color:#66805b;font:inherit;font-size:14px;padding:8px 16px;touch-action:manipulation}
.coach-lamp svg{width:100px;height:110px}.lamp-shade{fill:#d8e5ca;stroke:#75915e;stroke-width:3}.lamp-light{fill:transparent}.coach-lamp.lit .lamp-shade{fill:#f4d37f;stroke:#bda258}.coach-lamp.lit .lamp-light{fill:#ffecb3;fill-opacity:.6}.coach-lamp.lit{color:#927326}
.coach-folder{position:absolute;left:50%;top:56px;transform:translateX(-50%);display:grid;justify-items:center;gap:10px;padding:10px 18px;border:1px solid transparent;background:none;border-radius:10px;font:inherit;font-size:14px;color:#536541;cursor:pointer;touch-action:manipulation}
.coach-folder .icon{width:70px;height:60px;fill:#f4e1aa;stroke:#ac9465}.coach-folder.selected{background:#e7efdb;border-color:#9ab684}
.coach-contents{display:grid;gap:15px;margin:25px;padding:18px;background:white;border:1px solid #dde5d6;border-radius:10px;font-size:14px}.coach-contents span{display:flex;align-items:center;gap:10px}.coach-contents .icon{width:27px;height:27px;color:#799263}
.coach-context{min-height:280px}.coach-context .coach-folder{top:20px}.coach-menu{position:absolute;z-index:2;width:155px;padding:6px;background:white;border:1px solid #bccfb0;border-radius:9px;box-shadow:0 7px 20px #51684720}.coach-menu button{display:flex;align-items:center;gap:8px;width:100%;padding:10px 6px;background:white;border:0;border-radius:5px;color:#405734;font:inherit;font-size:13px;cursor:pointer}.coach-menu button:hover{background:#f1f5e9}
.coach-rename{position:absolute;bottom:15px;left:15px;right:15px;display:flex;align-items:flex-end;gap:10px;background:white;padding:12px;border-radius:10px;border:1px solid #dbe5d1}.coach-rename label{display:grid;gap:5px;min-width:0;flex:1;font-size:12px;color:#647158}.coach-rename input{width:100%;min-width:0;padding:7px 8px;border:1px solid #b8c8aa;border-radius:6px;font:inherit;font-size:14px}.coach-rename button{padding:8px 10px;font-size:13px}
.coach-drag{min-height:230px}.coach-drag-board{position:relative;width:min(100%,360px);height:230px;margin:auto}
.coach-token{position:absolute;z-index:2;left:16%;top:90px;display:grid;justify-items:center;width:64px;height:66px;gap:3px;border:2px solid #75975c;border-radius:9px;background:#e8f2dc;font:inherit;font-size:12px;color:#426232;cursor:grab;touch-action:none;user-select:none}.coach-token .icon{width:23px;height:23px}.coach-token.held{cursor:grabbing;box-shadow:0 7px 17px #526b3830}
.coach-drop{position:absolute;left:61%;top:77px;width:90px;height:92px;border:3px dashed #93ae77;border-radius:11px;display:grid;place-items:center;font-size:14px;color:#7c9064;background:#f2f7e8}.coach-drop.ready,.coach-drop.filled{border-style:solid;background:#dceccd}
.coach-scroll{height:240px;overflow:auto;overscroll-behavior:contain;user-select:text;background:white}.coach-scroll>div{padding:25px 22px;min-height:190px;border-bottom:1px solid #e3eadc}.coach-scroll h3{font-size:19px;margin:8px 0 12px}.coach-scroll p{font-size:14px;color:#70815e;line-height:1.5}.coach-scroll .icon{width:50px;height:50px;color:#8fac71}.coach-page-label{font-size:12px;color:#87a073}
.coach-scene.coach-zoom{min-height:0;background:none}
[data-coach-zoom]{position:relative;width:100%;aspect-ratio:16/9;min-height:190px;overflow:hidden;background:#d9ebef;cursor:zoom-in}
.coach-zoom-picture{position:absolute;inset:0;transform-origin:0 0;pointer-events:none}
.coach-zoom-picture svg{display:block;width:100%;height:100%}
[data-coach-scale]{padding:4px 8px;border-radius:7px;background:#ffffffe6;color:#364f48;z-index:1}
.coach-scene button:focus-visible,.coach-scroll:focus-visible,.coach-zoom:focus-visible{outline:3px solid #74969a;outline-offset:2px}
.pointer-trouble{font-size:13px;color:#65705f;margin-top:14px}
.pointer-trouble summary{cursor:pointer;width:fit-content}
.pointer-trouble p{line-height:1.5;margin:9px 0;max-width:70ch}
.pointer-guide button:focus-visible,.pointer-guide select:focus-visible,.pointer-guide summary:focus-visible{outline:3px solid #648d93;outline-offset:3px}
.pointer-guide [hidden]{display:none!important}
@media(max-width:520px){.pointer-guide>summary{padding:12px;gap:10px}.pointer-guide>summary strong{font-size:14px}.pointer-guide-open{font-size:12px}.pointer-guide-open span{display:none}.pointer-guide-body{padding:12px}.pointer-demo{padding:12px}.pointer-caption{font-size:14px}.pointer-guide-icon{width:34px;height:34px}}

@media(max-width:740px){.pointer-workbench{grid-template-columns:1fr;gap:14px}.pointer-hand{display:grid;grid-template-columns:105px minmax(0,1fr);gap:0 12px;align-items:center}.pointer-hand p{grid-column:2;grid-row:1;margin-top:5px;font-size:13px}.pointer-hand .pointer-illustration{grid-column:1;grid-row:1}.pointer-illustration svg{max-height:95px;margin:0}.pointer-task-copy{min-height:65px}.pointer-caption{font-size:16px}.pointer-demo h2{margin-bottom:14px}.coach-rename{gap:6px;left:10px;right:10px;padding:9px}}

.pointer-demo-heading{display:flex;gap:14px;align-items:center;justify-content:space-between;margin-bottom:18px}
.pointer-demo-heading small{font-size:12px;color:#77846e;white-space:nowrap}
.pointer-settings{font-size:13px;color:#65705f;margin-top:14px}
.pointer-settings summary{cursor:pointer;width:fit-content}
[data-pointer-settings-body]{display:flex;gap:14px 24px;flex-wrap:wrap;padding:14px 0 3px}
.pointer-finished{text-align:center;padding:28px 18px 24px;border:1px solid #d8e6cc;border-radius:14px;background:#f3f8ed}
.pointer-finished>span{display:grid;place-items:center;border-radius:50%;width:48px;height:48px;margin:0 auto 14px;background:#dcebcf;color:#507641;font-size:26px}
.pointer-finished h2{font-size:22px;line-height:1.4;margin:0 0 10px;color:#36562c}
.pointer-finished p{font-size:14px;line-height:1.6;max-width:47ch;margin:0 auto 20px;color:#64715b}
.pointer-finished .btn{font-size:14px}

.hover-task{max-width:48ch;margin:0 auto 8px;text-align:center;font-size:16px}
.hover-tools{gap:16px;padding-bottom:58px}
.hover-tools .tooltip{bottom:auto;top:calc(100% + 10px);left:50%;transform:translateX(-50%);max-width:185px;white-space:normal;width:max-content;font-size:13px;line-height:1.4;text-align:center;z-index:2}
.hover-preview{max-width:390px;margin:0 auto 18px;border:1px solid #dbe2d3;border-radius:12px;padding:22px;background:#fffdf6;text-align:center}
.hover-preview small{color:#7c8871}.hover-preview h3{font-size:21px;margin:10px 0}.hover-preview p{font-size:14px;margin:0;color:#738168}
.context-status{font-size:14px;line-height:1.5;margin:8px auto 18px;max-width:45ch;color:#64735b}
@media(max-width:520px){.hover-tools{gap:10px}.hover-tool{width:66px;height:66px}.hover-tools .tooltip{max-width:120px;font-size:12px}}
.task-step-list{margin:0;padding-left:22px;text-align:left;max-width:72ch}.task-step-list li{margin:0 0 7px;padding-left:3px;line-height:1.6}.task-step-list li:last-child{margin-bottom:0}

/* The introductory pointer lesson is an ordinary open workspace. */
.pointer-lesson{margin:0 auto;border:0;background:transparent}.pointer-lesson>.pointer-guide-body{border:0;padding:0}.pointer-extra{text-align:left;max-width:700px;margin:20px auto 0;padding:14px;border:1px solid #c9d7c5;border-radius:12px;background:#fff}.pointer-extra>summary{cursor:pointer;font-weight:650}.pointer-extra p{line-height:1.6}.pointer-extra .coach-zoom{margin-top:14px}