/* Scoped course enhancements: training controls and saved answers are unchanged. */
.cv-ribbon.cv-array{padding:14px;gap:8px;overflow-x:auto;overscroll-behavior-inline:contain;justify-content:flex-start}.cv-array .cv-letter{min-width:55px;flex:0 0 55px}.cv-array .cv-letter small{font-size:14px}.cv-array .cv-letter strong{font-size:22px}.cv-array .cv-secondary{border-color:#ad7831;background:#fff2dd}.cv-array .cv-active{outline:2px solid #258d87;outline-offset:-2px}.cv-array:focus-visible{outline:3px solid #405aba;outline-offset:3px}
.ct-lab{min-width:0;background:#fff;border:1px solid #d9e5ed;border-radius:18px;padding:22px;font-size:18px;line-height:1.65}.ct-heading{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px}.ct-heading h3{font-size:24px;line-height:1.22;letter-spacing:-.5px;margin:3px 0}.ct-kicker{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.07em;color:#4255a0}.ct-notice{font-size:17px;line-height:1.7;padding:12px 14px;background:#eef5fb;border-left:3px solid #5573b7;border-radius:8px;margin:12px 0 20px}.ct-settings{display:grid;grid-template-columns:minmax(0,1fr) minmax(110px,.35fr);gap:12px}.ct-settings label,.ct-prediction label{display:grid;gap:7px;font-size:16px;font-weight:750;min-width:0}.ct-settings select{font-size:17px;min-height:48px;max-width:100%;width:100%;padding:10px 9px;border:1px solid #c7d4e3;border-radius:10px;background:#fff;color:#243755}.ct-variation{padding:8px 2px;color:#596a80;font-size:16px;line-height:1.65;overflow-wrap:anywhere}.ct-prediction{background:#fbfaf6;border:1px solid #e4dfce;border-radius:12px;margin:10px 0 20px;min-width:0}.ct-prediction summary{padding:13px;min-height:48px;font-size:17px;cursor:pointer;font-weight:750}.ct-prediction label{padding:0 13px 14px}.ct-prediction textarea{width:100%;padding:12px;min-height:95px;border:1px solid #b8c8dc;border-radius:10px;font-family:inherit;font-size:18px;line-height:1.6;color:#243755;resize:vertical}.ct-stagebar{display:flex;gap:9px;align-items:center;justify-content:space-between;flex-wrap:wrap;font-size:15px;margin:18px 0 12px;color:#52647b}.ct-stage{background:#eef0fb;border-radius:7px;padding:5px 9px;color:#304499;font-weight:750}.ct-controls{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 12px}.ct-controls .btn{min-width:48px;min-height:48px;font-size:16px;white-space:normal}.ct-scrub{display:grid;gap:0;font-size:14px;color:#54667e}.ct-scrub input{width:100%;height:44px;accent-color:#3d52ac;cursor:pointer}.ct-explanation{font-size:18px;line-height:1.75;margin:15px 0 20px;border-left:3px solid #25908a;padding-left:14px}.ct-workspace{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:16px;align-items:start}.ct-workspace>*,.ct-program-panel,.ct-scope{min-width:0}.ct-workspace h4{font-size:18px;margin:10px 0;color:#193853}.ct-program{position:relative;border:1px solid #d9e4f0;background:#f4f7fc;border-radius:12px;overflow:auto;max-width:100%;max-height:480px;overscroll-behavior:contain;padding:10px 0;counter-reset:code}.ct-line{display:flex;gap:11px;padding:6px 12px;min-width:max-content;align-items:baseline;border-left:3px solid transparent}.ct-line small{display:inline-block;flex:0 0 24px;text-align:right;color:#66758b;font:13px/1.8 monospace;user-select:none}.ct-line code{font:17px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre;display:block;color:#1e3555}.ct-line.ct-current{background:#e7edff;border-left-color:#364cac}.ct-line.ct-current code{font-weight:750}.ct-hint{display:block;font-size:13px;margin:7px 0;color:#65728a}.ct-memory{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:8px 0 18px}.ct-cell{padding:12px;border:1px solid #cbdce5;border-radius:12px;background:#f8fcfb;min-width:0}.ct-variable{font-size:15px;font-weight:750;color:#355b64;display:block;overflow-wrap:anywhere}.ct-cell>code{display:block;font:700 19px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre;max-width:100%;overflow:auto;color:#1b314b}.ct-cell>small{font-size:12px;color:#52687b}.ct-array-cell{grid-column:1/-1}.ct-array{display:flex;gap:5px;overflow-x:auto;max-width:100%;padding:6px 2px;overscroll-behavior-inline:contain}.ct-array>span{display:grid;justify-items:center;gap:3px;min-width:48px;flex:0 0 auto;padding:6px;border:1px solid #d3dfeb;border-radius:8px;background:#fff}.ct-array small{font-size:13px;color:#637b92}.ct-array b{font:750 17px/1.6 ui-monospace,Consolas,monospace}.ct-empty{font-size:16px;color:#61738b;padding:12px;border:1px dashed #c8d4e3;border-radius:10px}.ct-console{border:1px solid #ccdbed;border-radius:13px;padding:12px;background:#f1f5fd}.ct-console h4{margin:0 0 8px}.ct-console pre{margin:0;max-width:100%;overflow-x:auto;font:18px/1.7 ui-monospace,Consolas,monospace;color:#17394b;white-space:pre}.ct-inputs{margin:16px 0 0;border:1px solid #d9e3ec;border-radius:10px}.ct-inputs summary{font-size:16px;font-weight:750;min-height:48px;padding:12px;cursor:pointer}.ct-inputs div{font-size:17px;padding:0 12px 12px}.ct-review{margin-top:18px;padding:16px;background:#edf6f5;border:1px solid #b8d8d3;border-radius:12px}.ct-review h4{font-size:20px;margin:0 0 8px}.ct-review p{font-size:17px;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere}.ct-source-notes{padding:15px;border-top:1px solid #d8e2ee;margin-top:14px}.ct-source-notes p{font-size:16px;line-height:1.65}.ct-lab :focus-visible{outline:3px solid #435abb;outline-offset:3px}.ct-lab [hidden]{display:none!important}body.presenting .ct-explanation,body.presenting .ct-notice{font-size:23px}body.presenting .ct-line code{font-size:21px}body.presenting .ct-console pre{font-size:23px}
@media(max-width:980px){.ct-workspace{grid-template-columns:1fr}.ct-program{max-height:350px}.ct-lab{padding:17px}}@media(max-width:560px){.ct-lab{padding:13px 10px;border-radius:14px}.ct-heading{gap:9px}.ct-heading h3{font-size:23px}.ct-heading .iconbox{width:34px;height:34px;border-radius:9px}.ct-settings{grid-template-columns:minmax(0,1fr)}.ct-settings label{font-size:17px}.ct-notice{font-size:18px;padding:12px;line-height:1.7}.ct-controls{gap:7px}.ct-controls .btn{font-size:16px;padding:9px 10px}.ct-controls [data-ct-next]{flex:1}.ct-program{max-height:300px}.ct-line{padding:5px 8px;gap:7px}.ct-line code{font-size:17px}.ct-explanation{font-size:18px;line-height:1.75}.ct-variation{font-size:16px}.ct-console pre{font-size:17px}.ct-stagebar{font-size:14px}.ct-memory{gap:7px}.ct-array{margin:6px -3px}.ct-review p{font-size:18px}.cv-array .cv-letter{min-width:48px;flex-basis:48px}}
@media(prefers-reduced-motion:reduce){.ct-lab *,.cv-array *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}@media print{.ct-lab{display:none}.ct-source-notes{break-inside:avoid}}