.learn-coach{margin:0 0 32px;border:1px solid #a5cde4;border-radius:16px;background:white;overflow:hidden;color:#16334f}
.learn-heading{padding:23px 24px 15px;border-bottom:1px solid #d6e8f3;background:#f4faff}.learn-heading h2{margin:6px 0 10px;font-size:28px;line-height:1.25;color:#075e96}.learn-heading p{margin:7px 0;color:#435f79}.learn-heading .mini-title{color:#086b9f}
.learn-toolbar{padding:19px 24px 0}.learn-toolbar label{display:block;margin-bottom:7px;font-weight:750}.learn-toolbar select{width:100%;min-height:46px;border:1px solid #96bdcf;border-radius:9px;padding:10px;background:#fff;color:#16334f;font:inherit}
.learn-modes{display:flex;gap:8px;margin:16px 0 9px}.learn-mode{border:1px solid #a6c4d6;border-radius:8px;background:#fff;color:#21506d;padding:10px 13px;min-height:44px;cursor:pointer;font:650 14px system-ui,sans-serif}.learn-mode.active{background:#087fc2;border-color:#087fc2;color:#fff}
.learn-condition{padding:15px 17px;margin:15px 24px;border-left:4px solid #1597e5;background:#eff8ff;font-weight:600;line-height:1.7}.learn-step-buttons{display:flex;flex-direction:column;gap:6px;margin:15px 24px}.learn-step{padding:9px 12px;border:1px solid #d2e2ed;border-radius:7px;text-align:left;background:#fff;color:#375a72;cursor:pointer;font:600 14px/1.5 system-ui,sans-serif}.learn-step.active{border-color:#1687c8;background:#eaf7ff;color:#075e96}.learn-step.completed{border-left:4px solid #268357}.learn-progress{font-size:13px;color:#426178;margin:10px 24px}
.learn-body{padding:8px 24px 23px}.learn-body h3{margin:12px 0;font-size:22px;line-height:1.4}.learn-goal{font-weight:650}.learn-why{padding:12px 15px;background:#f8fbfd;border-left:3px solid #b5d9ed;font-size:14px;line-height:1.8}.learn-example-caption{margin:17px 0 7px;font-size:13px;font-weight:750;color:#075e96}.learn-example{white-space:pre;overflow:auto;margin:0 0 15px;padding:13px 15px;border:1px solid #d2e5ef;border-radius:8px;background:#f1f8fc;color:#153c5b;font:13px/1.7 ui-monospace,Consolas,monospace}.learn-data-box{margin:13px 0;border:1px solid #d6e5ed;border-radius:8px;padding:10px 13px}.learn-data-box strong{font-size:13px}.learn-data-box p{font-size:12px;color:#587086;margin:5px 0}.learn-data-box pre{margin:7px 0 0;white-space:pre-wrap;overflow-wrap:anywhere;color:#31546b;background:none;padding:0;font:13px/1.65 ui-monospace,Consolas,monospace}
.learn-editor-label{display:block;font-size:14px;font-weight:750;margin:17px 0 8px}.learn-editor-box{display:grid;grid-template-columns:42px minmax(0,1fr);border:1px solid #6e9fb9;border-radius:9px;overflow:hidden;background:#fff}.learn-line-numbers{margin:0;padding:14px 8px;background:#eef4f8;color:#6d8596;text-align:right;overflow:hidden;user-select:none;white-space:pre;max-height:340px;font:14px/1.7 ui-monospace,Consolas,monospace}.learn-editor-box textarea{display:block;width:100%;min-height:340px;margin:0;padding:14px;border:0;outline:none;border-radius:0;resize:vertical;background:#fff;color:#16334f;white-space:pre;tab-size:4;overflow:auto;font:14px/1.7 ui-monospace,Consolas,monospace}.learn-editor-box:focus-within{outline:3px solid #c27219;outline-offset:2px}
.learn-actions{display:flex;flex-wrap:wrap;gap:9px;margin:13px 0}.learn-actions button{min-height:41px}.learn-muted-button{padding:8px 12px;border:1px solid #adc6d6;border-radius:8px;background:#fff;color:#315c78;cursor:pointer;font:600 13px system-ui,sans-serif}.learn-actions button:disabled,.learn-mode:disabled{opacity:.5;cursor:default}.learn-keyboard{margin:6px 0;color:#5d7587;font-size:12px}.learn-status{font-size:13px;min-height:24px;margin:12px 0;color:#245775}
.learn-output-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}.learn-output-grid h4{font-size:14px;margin:8px 0}.learn-output-grid pre{margin:0;min-height:80px;max-height:250px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;padding:12px;border:1px solid #cde0ec;border-radius:8px;background:#f7fafc;color:#193b57;font:13px/1.7 ui-monospace,Consolas,monospace}.learn-feedback{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.7}.learn-feedback.good{padding:14px;border-left:4px solid #248457;background:#eef9f2;color:#145434}.learn-feedback.wrong{padding:14px;border-left:4px solid #bd7c16;background:#fff8e9;color:#764c0c}
.learn-trace{margin-top:20px;border-top:1px solid #d4e5ee;padding-top:12px}.learn-trace h4{margin:8px 0}.learn-trace input[type=range]{width:100%;margin:12px 0}.learn-trace-source{max-height:290px;overflow:auto;padding:9px 0;border:1px solid #c9e0ed;border-radius:8px;background:#fff;font:13px/1.7 ui-monospace,Consolas,monospace}.learn-trace-line{display:block;min-height:22px;padding:0 8px;white-space:pre}.learn-trace-line b{color:#8b9fad;font-weight:400}.learn-trace-line.current{background:#dff0ff;box-shadow:inset 3px 0 #1688ce}.learn-trace-info{font-size:13px;color:#245775}.learn-trace-values{white-space:pre-wrap;max-height:220px;overflow:auto;padding:10px 13px;border-radius:8px;background:#edf7f2;color:#174e38;font:13px/1.65 ui-monospace,Consolas,monospace}.learn-drawing{margin-top:20px;padding:10px;border:1px solid #c6deed;border-radius:10px}.learn-drawing canvas{display:block;width:100%;height:auto;max-width:100%;background:#fff}.learn-drawing figcaption{font-size:12px;color:#4b687d;margin:7px 0}.learn-reference{margin-bottom:25px;border-top:1px solid #bed8e6;padding-top:15px}.learn-reference>summary{font-size:20px;line-height:1.5;font-weight:750;color:#075e96;cursor:pointer}.learn-files pre{white-space:pre;overflow:auto;font-size:13px;line-height:1.6}.learn-coach details>summary{cursor:pointer;font-weight:650;color:#075e96;padding:8px 0}.learn-runtime-note{font-size:12px;color:#587086;line-height:1.7}.learn-nav{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:21px}
.learn-coach button:focus-visible,.learn-coach select:focus-visible,.learn-coach summary:focus-visible{outline:3px solid #c27219;outline-offset:3px}
@media(max-width:680px){.learn-heading{padding:18px 14px 12px}.learn-heading h2{font-size:24px}.learn-toolbar{padding:15px 14px 0}.learn-condition{margin:13px 14px}.learn-step-buttons{margin:12px 14px}.learn-progress{margin:9px 14px}.learn-body{padding:6px 14px 17px}.learn-body h3{font-size:20px}.learn-output-grid{grid-template-columns:1fr}.learn-editor-box textarea{font-size:13px;min-height:300px}.learn-line-numbers{font-size:13px;max-height:300px}.learn-editor-box{grid-template-columns:33px minmax(0,1fr)}.learn-actions button{flex:1 1 auto}}