.revision-layout{display:grid;grid-template-columns:minmax(240px,320px) minmax(0,1fr);gap:24px;align-items:start}.revision-lessons h2{font-size:23px;color:#00543a;margin:0 0 13px}.revision-lesson{border:1px solid #c7dce8;border-left:5px solid #008c5a;border-radius:8px;margin-bottom:12px;background:white;overflow:hidden}.revision-lesson summary{cursor:pointer;padding:15px 16px;color:#00543a;font-weight:800;font-size:18px;list-style-position:inside}.revision-lesson summary span{display:block;font-size:13px;color:#009ff2;margin-bottom:4px}.revision-lesson ul{padding:0 25px 0 34px;font-size:14px;color:#6b6a85;line-height:1.5;margin:0 0 14px}.revision-lesson .row{padding:0 14px 15px;gap:8px}.revision-lesson .btn{background:white;color:#008bd1;border:1px solid #a9d9f2}.revision-reference{min-width:0}.revision-reference-heading{display:flex;align-items:center;gap:12px;margin:0 0 13px}.revision-reference-heading img{height:52px;width:62px;object-fit:contain}.revision-reference-heading h2{font-size:27px;font-weight:800;color:#00543a;margin:0}.revision-reference-heading p{margin:3px 0 0;color:#6b6a85;font-size:15px}.revision-code-window{border:2px solid #00543a;border-radius:12px;overflow:hidden;background:white}.revision-code-bar{display:flex;align-items:center;gap:13px;padding:13px 16px;background:#00543a;color:white;font-weight:700}.revision-code-bar>span:last-child{margin-left:auto;font-size:12px;font-weight:500}.revision-window-dots{display:flex;gap:8px}.revision-window-dots i{width:10px;height:10px;border-radius:50%;background:#00aeef}.revision-window-dots i:nth-child(2){background:#00cc91}.revision-window-dots i:nth-child(3){background:#55d770}.revision-program{max-height:53vh;min-height:250px;overflow:auto;scrollbar-gutter:stable}.revision-code-section{border-bottom:1px solid #d2e8f1}.revision-code-section:last-child{border-bottom:0}.revision-code-section summary{padding:10px 14px;font-weight:800;color:#00543a;background:#eef9ff;cursor:pointer;font-size:16px}.revision-code-section>div{padding:5px 0}.revision-code-line{display:flex;align-items:baseline;text-align:left;gap:14px;width:100%;border:0;border-left:4px solid transparent;border-radius:0;background:white;padding:7px 14px 7px 5px;cursor:pointer;color:#193c47;line-height:1.5;font-size:15px}.revision-code-line code,.revision-selected-code code{font-family:'DejaVu Sans Mono',Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere;font-size:inherit;font-weight:400}.revision-line-number{min-width:28px;text-align:right;color:#7d879a;font-family:monospace;font-size:13px;user-select:none}.revision-code-line:hover{background:#f0f9ff}.revision-code-line.selected{background:#e1f3ff;border-left-color:#009ff2}.revision-code-line:focus-visible,.revision-code-section summary:focus-visible,.revision-lesson summary:focus-visible{outline:3px solid #009ff2;outline-offset:-3px}.revision-code-line .py-variable,.revision-selected-code .py-variable{color:#193c47}.revision-code-line .py-function,.revision-selected-code .py-function{color:#8b16ff}.revision-code-line .py-string,.revision-selected-code .py-string{color:#ff001c}.revision-code-line .py-number,.revision-selected-code .py-number{color:#008a36}.revision-line-explanation{border:1px solid #b9dff2;border-left:5px solid #009ff2;border-radius:8px;margin-top:15px;padding:18px;background:white}.revision-explanation-title>span{font-size:13px;color:#0089ce;font-weight:800}.revision-explanation-title h3{font-size:20px;color:#00543a;margin:3px 0 12px;font-weight:800}.revision-selected-code{margin:0 0 12px;padding:12px;background:#eef9ff;border:1px solid #c8e7f5;border-radius:6px;font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere}.revision-line-explanation dl{margin:0}.revision-line-explanation dl>div{display:grid;grid-template-columns:minmax(100px,180px) minmax(0,1fr);gap:15px;padding:12px 0;border-bottom:1px solid #e0edf3}.revision-line-explanation dl>div:last-child{border-bottom:0;padding-bottom:0}.revision-line-explanation dt{color:#007fbc;font-weight:700;font-size:14px;overflow-wrap:anywhere}.revision-line-explanation dd{margin:0;color:#36524c;line-height:1.55;font-size:15px}.revision-line-explanation dt code{font-family:Consolas,monospace;font-size:13px;white-space:pre-wrap}@media(max-width:1000px){.revision-layout{grid-template-columns:minmax(210px,260px) minmax(0,1fr);gap:16px}.revision-code-line{font-size:14px;gap:9px}.revision-line-explanation dl>div{grid-template-columns:1fr;gap:5px}}@media(max-width:700px){.revision-layout{grid-template-columns:1fr}.revision-lessons{display:grid;grid-template-columns:1fr 1fr;gap:10px}.revision-lessons h2{grid-column:1/-1;margin-bottom:0}.revision-lesson{margin:0}.revision-lesson summary{font-size:16px;padding:12px}.revision-program{max-height:48vh}.revision-code-bar{padding:12px}.revision-reference-heading{margin-top:8px}}@media(max-width:420px){.revision-lessons{grid-template-columns:1fr}.revision-code-line{font-size:13px;gap:7px}.revision-code-bar>span:last-child{display:none}}
/* Always-open lesson cards in a viewport-height sidebar. */
.revision-page-heading,.revision-layout{grid-template-columns:minmax(370px,.9fr) minmax(0,1.1fr);gap:24px}.revision-heading-brand{display:flex;align-items:center;gap:16px;min-height:62px}.revision-heading-brand img{width:44px;height:44px;object-fit:contain}.revision-page-heading .revision-heading-brand h1{font-family:Outfit,Arial,sans-serif;font-size:32px;line-height:1.15;font-weight:800;margin:3px 0 0}.revision-page-heading h2{font-family:Outfit,Arial,sans-serif;font-size:27px;line-height:1.15;font-weight:800}.revision-lessons{display:flex;flex-direction:column;height:var(--revision-panel-height,calc(100dvh - 200px));min-height:360px;border:1px solid #c7dce8;border-radius:10px;background:#f7fcff;overflow:hidden}.revision-lessons>h2{display:flex;align-items:center;gap:9px;flex:none;margin:0;padding:11px 14px;font-family:Outfit,Arial,sans-serif;font-size:20px;line-height:1.2;color:white;background:#00543a;font-weight:800}.revision-lessons>h2 img{width:28px;height:28px;object-fit:contain}.revision-lesson-list{display:grid;grid-template-rows:repeat(var(--revision-lesson-count),minmax(max-content,1fr));gap:9px;min-height:0;overflow:auto;padding:10px;flex:1;scrollbar-width:thin;scrollbar-color:#7cccb3 #f7fcff}.revision-lesson{display:grid;grid-template-rows:auto 1fr auto;min-width:0;margin:0;padding:10px 12px;border-radius:8px;background:#fff;border:1px solid #c7dce8;border-left:5px solid #008c5a}.revision-lesson-heading{display:flex;align-items:center;gap:10px}.revision-lesson-number{display:flex;align-items:center;justify-content:center;flex:0 0 29px;height:29px;border-radius:50%;background:#009ff2;color:white;font-size:17px;font-weight:800;line-height:1}.revision-lesson-heading h3{margin:0;font-family:Outfit,Arial,sans-serif;font-size:19px;font-weight:800;line-height:1.15;color:#00543a}.revision-lesson ul{margin:7px 0 8px;padding:0 0 0 18px;color:#587078;font-size:12.5px;line-height:1.3;display:grid;gap:3px;align-content:start}.revision-lesson .row{padding:0;gap:8px;flex-wrap:wrap;justify-content:flex-end}.revision-lesson .btn{font-family:Outfit,Arial,sans-serif;font-size:12px;line-height:1.2;padding:6px 10px;color:#008bd1;border:1px solid #a9d9f2;border-radius:6px;background:white;font-weight:700}.revision-lesson .btn:hover{background:#e7f6ff;border-color:#009ff2}.revision-reference{min-width:0}.revision-code-line{font-size:12px}.revision-hover-explanation{grid-template-columns:repeat(2,minmax(0,1fr))}@media(min-width:1600px){.revision-code-line{font-size:13px}.revision-lesson-heading h3{font-size:21px}.revision-lesson ul{font-size:14px;line-height:1.35}.revision-lesson .btn{font-size:13px;padding:7px 12px}}@media(max-width:1000px){.revision-page-heading,.revision-layout{grid-template-columns:minmax(310px,.9fr) minmax(0,1.1fr);gap:16px}.revision-lesson{padding:9px}.revision-lesson-heading h3{font-size:17px}.revision-lesson ul{font-size:12px}.revision-page-heading h2{font-size:23px}.revision-page-heading .revision-heading-brand h1{font-size:27px}.revision-code-line{font-size:11px}}@media(max-width:760px){.revision-page-heading{grid-template-columns:1fr 1fr}.revision-layout{grid-template-columns:1fr}.revision-lessons{height:auto;min-height:0;max-height:none}.revision-lesson-list{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:none;overflow:visible}.revision-lesson{grid-template-rows:auto 1fr auto}.revision-heading-brand{gap:10px}.revision-heading-brand img{width:38px;height:38px}.revision-page-heading h2{font-size:21px}.revision-code-line{font-size:13px}}@media(max-width:480px){.revision-lesson-list{grid-template-columns:1fr}.revision-page-heading h2{font-size:18px}.revision-code-line{font-size:11px}}

/* Identical panel title bars and calm, read-only code listings. */
.revision-lessons{border:2px solid #00543a}.revision-lessons>h2,.revision-code-bar{height:32px;min-height:32px;box-sizing:border-box;padding:0 16px;display:flex;align-items:center;gap:12px;font-family:Outfit,Arial,sans-serif;font-size:20px;line-height:1.2;font-weight:800;color:white;background:#00543a}.revision-code-bar strong{font-family:Outfit,Arial,sans-serif;font-size:17px;font-weight:800}.revision-code-section summary{padding:6px 12px;font-size:14px;line-height:1.3}.revision-code-section>div{padding:3px 0}.revision-program{max-height:none;min-height:0;overflow:visible;scrollbar-gutter:auto}.revision-static-line{padding:1px 12px 1px 4px;min-height:20px;line-height:1.4;font-size:12px;cursor:default;background:white;border-left:4px solid transparent}.revision-static-line:hover{background:white}.revision-static-line code{white-space:pre-wrap;overflow-wrap:anywhere}.revision-static-line .py-keyword{color:#0070ff}.revision-static-line .py-variable{color:#193c47}.revision-static-line .py-function{color:#8b16ff}.revision-static-line .py-number{color:#008a36}.revision-static-line .py-string{color:#ff001c}.revision-static-line .py-comment{color:#777684}@media(min-width:1600px){.revision-static-line{font-size:13px;min-height:21px}}@media(max-width:1000px){.revision-static-line{font-size:11px}}@media(max-width:760px){.revision-static-line{font-size:12px}.revision-lessons>h2,.revision-code-bar{height:32px;min-height:32px}}
.revision-page-heading{display:grid;align-items:center;min-height:62px;margin:0 0 14px;padding:0;border-bottom:1px solid #d3e8f2}.revision-page-heading h1{color:#00543a}.revision-page-heading h2{margin:0;color:#00543a}
.revision-comparisons{margin-top:14px;border:1px solid #b9dff2;border-radius:9px;overflow:hidden;background:white}.revision-comparisons h3{margin:0;padding:10px 14px;background:#00543a;color:white;font-family:Outfit,Arial,sans-serif;font-size:18px;font-weight:800;line-height:1.3}.revision-comparisons dl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin:0;background:#cde7f2}.revision-comparisons dl>div{display:flex;align-items:center;gap:10px;padding:10px 12px;background:#f0faff;min-width:0}.revision-comparisons dt{color:#009ff2;font-weight:800;font-size:23px;min-width:32px;line-height:1}.revision-comparisons dt code{font-family:Consolas,monospace}.revision-comparisons dd{margin:0;font-size:13px;color:#00543a;line-height:1.3;font-weight:600}@media(max-width:1100px){.revision-comparisons dl{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:420px){.revision-comparisons dl{grid-template-columns:1fr}}
/* Reuse the Knowledge Organiser page header, including its shared icon and h1. */
.revision-top-panel .knowledge-top-actions h2{margin:0;color:#00543a;font-family:Outfit,Arial,sans-serif;font-size:22px;font-weight:700;line-height:1.15;letter-spacing:-.5px}
/* Fit the complete Selection reference and comparison key into one viewport. */
@media(min-width:761px){.revision-selection-reference{height:var(--selection-height,calc(100dvh - 190px));display:flex;flex-direction:column;gap:8px;min-height:0}.revision-selection-reference .revision-code-window{display:flex;flex-direction:column;flex:1;min-height:0}.revision-selection-reference .revision-code-bar{flex:none}.revision-selection-reference .revision-program{flex:1;min-height:0;overflow:hidden}.revision-selection-reference .revision-static-line{font-size:var(--selection-code-size,12px);line-height:1.2;min-height:0;padding:0 10px 0 3px}.revision-selection-reference .revision-code-section summary{font-size:var(--selection-heading-size,13px);line-height:1.2;padding:3px 11px}.revision-selection-reference .revision-code-section>div{padding:2px 0}.revision-selection-reference .revision-comparisons{flex:none;margin-top:0}.revision-selection-reference .revision-comparisons h3{font-size:15px;padding:6px 12px}.revision-selection-reference .revision-comparisons dl{grid-template-columns:repeat(3,minmax(0,1fr))}.revision-selection-reference .revision-comparisons dl>div{gap:6px;padding:6px 9px}.revision-selection-reference .revision-comparisons dt{font-size:21px;min-width:27px}.revision-selection-reference .revision-comparisons dd{font-size:11px;line-height:1.2}.revision-selection-reference .revision-line-number{font-size:10px;line-height:1}}

/* Slim IDE-style bars release space to the lesson cards and reference. */
.revision-lessons>h2,.revision-code-bar{height:32px;min-height:32px;padding:0 12px;font-size:17px;line-height:1.1}.revision-lessons>h2 img{width:21px;height:21px}.revision-window-dots{gap:7px}.revision-window-dots i{width:8px;height:8px}.revision-code-bar strong{font-size:17px}.revision-lesson-list{padding:8px;gap:8px}.revision-layout{gap:18px}#app>.revision-top-panel{grid-template-columns:48px minmax(0,1fr)}@media(max-width:760px){.revision-lessons>h2,.revision-code-bar{height:32px;min-height:32px}.revision-layout{gap:14px}}
/* Both reference keys use the same header and two-row cell layout. */
.revision-reference .revision-comparisons h3{font-size:15px;line-height:1.3;padding:6px 12px}.revision-reference .revision-comparisons dl{grid-template-columns:repeat(3,minmax(0,1fr))}.revision-reference .revision-comparisons dl>div{align-items:center;gap:6px;padding:6px 9px;min-height:34px}.revision-reference .revision-comparisons dt{font-size:21px;min-width:27px;margin:0}.revision-reference .revision-comparisons dd{display:block;font-size:11px;line-height:1.2;margin:0}@media(max-width:760px){.revision-reference .revision-comparisons dl{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:420px){.revision-reference .revision-comparisons dl{grid-template-columns:repeat(2,minmax(0,1fr))}}