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.practice-workspace{display:block;color:#111;font-family:Arial,Helvetica,sans-serif;--ink:#111;--muted:#555;--line:#ccc;--subject:#111}
.practice-workspace>.question-sheet{max-width:900px;margin:0 auto;border:1px solid #bbb;border-radius:0;box-shadow:none;overflow:visible}
.practice-workspace .sheet-header{padding:22px 28px 18px;border-bottom:1px solid #ccc}
.practice-workspace .sheet-meta,.practice-workspace .sheet-meta .subject-label,.practice-workspace .topic-line{color:#555;font-size:.875rem}
.practice-workspace .sheet-header h1{font:700 1.125rem/1.4 Arial,Helvetica,sans-serif;letter-spacing:0}
.question-context-title{font-size:1rem;line-height:1.5;margin-top:5px;color:#333}
.practice-workspace .marks-label{border-radius:0;color:#111;background:white;border:1px solid #bbb;font-size:.875rem}
.practice-workspace .sheet-body{padding:25px 28px 28px}
.practice-workspace .question-context{border:0;padding:0;margin-bottom:25px}
.practice-workspace .context-label,.practice-workspace .section-label{color:#444;font-size:.875rem;text-transform:none;letter-spacing:0}
.practice-workspace .question-context p,.practice-workspace .question-stem{font-family:Arial,Helvetica,sans-serif;color:#111;font-size:1.0625rem;line-height:1.65;font-weight:400}
.practice-workspace .question-stem{margin-top:7px}
.practice-workspace .diagram img{filter:grayscale(1)}
.practice-workspace table{color:#111}
.practice-workspace .question-context th,.practice-workspace .question-context td{border-color:#888}
.practice-workspace .question-context th{background:#f2f2f2}
.practice-workspace .equation-note,.practice-workspace .earlier-questions{background:#fafafa;border-color:#bbb;border-radius:0;color:#222}
.practice-workspace .earlier-questions summary{color:#222}
.practice-workspace .earlier-part{border-color:#ccc}
.practice-workspace button,.practice-workspace textarea{border-radius:0;color:#111}
.practice-workspace button:hover:not(:disabled){background:#eee;border-color:#333}
.practice-workspace .answer-area{border-color:#888;font-family:Arial,Helvetica,sans-serif;line-height:1.8rem;background:repeating-linear-gradient(to bottom,#fff 0,#fff calc(1.8rem - 1px),#ddd calc(1.8rem - 1px),#ddd 1.8rem);background-position:0 15px}
.practice-workspace .answer-area:focus{background:repeating-linear-gradient(to bottom,#fff 0,#fff calc(1.8rem - 1px),#ddd calc(1.8rem - 1px),#ddd 1.8rem);background-position:0 15px}
.practice-workspace .save-note,.practice-workspace .answer-help,.practice-workspace .source-details,.practice-workspace .source-original{color:#555}
.practice-workspace .check-answer{background:#111;border-color:#111;color:white}
.practice-workspace .check-answer:hover:not(:disabled){background:#333;border-color:#333;color:white}
.practice-workspace .mcq-option{border:1px solid #aaa;background:white;box-shadow:none;border-radius:0;font-family:Arial,Helvetica,sans-serif;font-size:1rem}
.practice-workspace .option-letter{background:white;color:#111;border-radius:0;font-weight:700}
.practice-workspace .mcq-option:after{content:"";width:18px;height:18px;border:1px solid #222;flex-shrink:0;margin-left:auto;display:flex;align-items:center;justify-content:center;font-size:.875rem;font-weight:700}
.practice-workspace .mcq-option.chosen:after{content:"✓"}
.practice-workspace .mcq-option.chosen{border:2px solid #111;background:#f4f4f4;padding:13px 15px}
.practice-workspace .mcq-option.correct{border:2px solid #111;background:#f1f1f1}
.practice-workspace .mcq-option.incorrect{border:2px dashed #555;background:white}
.practice-workspace .markscheme{margin:22px auto 0;max-width:900px;border:1px solid #aaa;border-radius:0;background:white;overflow:visible;min-width:0}
.practice-workspace .markscheme-head{color:#111;background:#f5f5f5;border-color:#bbb;padding:18px 22px}
.practice-workspace .markscheme-body{color:#111;padding:20px 22px;font-family:Arial,Helvetica,sans-serif}
.practice-workspace .mark-points li{font-size:1rem;line-height:1.65}
.practice-workspace .mark-point-icon{color:#111;border:0;border-radius:0;font-size:.875rem}
.practice-workspace .point-weight,.practice-workspace .self-mark-note{color:#555}
.practice-workspace .scheme-notes,.practice-workspace .review-controls,.practice-workspace .source-details{border-color:#ccc}
.practice-workspace .review-buttons button[aria-pressed=true]{background:#e8e8e8;border-color:#111;color:#111}
.practice-workspace :is(button,textarea,summary):focus-visible,.practice-workspace .markscheme:focus-visible{outline:3px solid #111;outline-offset:3px}
.practice-workspace .sheet-header>div,.practice-workspace .markscheme-head h2,.practice-workspace .mark-points li>span:last-child{min-width:0;overflow-wrap:anywhere}
@media(min-width:1051px){
  .practice-workspace.scheme-visible{display:grid;grid-template-columns:minmax(0,1.22fr) minmax(340px,.88fr);gap:24px;align-items:start}
  .practice-workspace.scheme-visible>.question-sheet{width:100%;max-width:none;margin:0}
  .practice-workspace.scheme-visible>.markscheme{width:100%;max-width:none;margin:0;position:sticky;top:16px;max-height:calc(100vh - 190px);max-height:calc(100dvh - 190px);overflow:auto;overscroll-behavior:contain;scrollbar-gutter:stable}
  .practice-workspace.scheme-visible .mcq-choices{grid-template-columns:1fr}
}
@media(max-width:700px){
  .practice-workspace .sheet-header{padding:20px 18px 16px}
  .practice-workspace .sheet-body{padding:21px 18px 24px}
  .practice-workspace .question-context p,.practice-workspace .question-stem{font-size:1rem}
  .practice-workspace .markscheme-head{padding:16px 18px}
  .practice-workspace .markscheme-body{padding:18px}
  .practice-workspace .mcq-option.chosen{padding:10px 12px}
}
@media print{
  .practice-workspace,.practice-workspace.scheme-visible{display:block!important}
  .practice-workspace>.question-sheet{max-width:none!important;width:100%;margin:0;border:0;overflow:visible;box-shadow:none}
  .practice-workspace .sheet-header{padding:0 0 14px}
  .practice-workspace .sheet-body{padding:16px 0}
  .practice-workspace .markscheme{display:none!important;position:static!important;max-height:none!important;overflow:visible!important}
  .practice-workspace .mcq-option,.practice-workspace .mcq-option.chosen,.practice-workspace .mcq-option.correct,.practice-workspace .mcq-option.incorrect{background:white!important;border:1px solid #888!important;padding:12px 14px;box-shadow:none!important;color:black!important}
  .practice-workspace .mcq-option strong{display:none}
  .practice-workspace .mcq-option:after{content:""!important;background:white;border-color:black}
  .practice-workspace .diagram img{filter:grayscale(1)}
}