:root{color-scheme:light;--ink:#25392f;--muted:#657467;--green:#246747;--line:#dedfd4;--paper:#fffef9;--bg:#f4f3eb}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,sans-serif}header{display:flex;align-items:center;gap:24px;max-width:1250px;margin:auto;padding:22px 24px;border-bottom:1px solid var(--line)}header>a:last-child{margin-left:auto;font-size:14px}a{color:var(--green)}.brand{font-weight:800;font-size:24px;text-decoration:none}main{max-width:1250px;margin:auto;padding:24px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 335px;gap:24px;align-items:start}.board-panel,.panel,.coach{background:var(--paper);border:1px solid var(--line);border-radius:18px}.board-panel{padding:18px;min-width:0}.board-heading{display:flex;align-items:start;justify-content:space-between;gap:12px}h1{font-size:23px;line-height:1.3;margin:0}h2{font-size:16px;margin:0 0 14px}p{margin:8px 0}.board-heading p,#activity{font-size:13px;color:var(--muted)}#activity{white-space:nowrap}#board{display:block;width:100%;height:auto;background:linear-gradient(to bottom,#f2bd78,#dfa052);border-radius:10px;margin:12px 0;touch-action:manipulation;cursor:crosshair}#board:focus-visible{outline:3px solid var(--green);outline-offset:3px}.move-bar{display:flex;gap:10px;align-items:center}.move-bar>span{margin-right:auto;font-weight:600}button,input,select{font:inherit}button{border:1px solid #b9c3b3;border-radius:10px;background:#f4f6ef;color:var(--ink);padding:10px 14px;cursor:pointer;min-height:44px}button:hover:enabled{background:#e8efdf}button:disabled{opacity:.45;cursor:default}.primary{background:var(--green);color:white;border-color:var(--green)}.primary:hover:enabled{background:#194d34}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #65a577;outline-offset:2px}.help,.muted{font-size:13px;color:var(--muted)}aside{display:grid;gap:16px}.panel{padding:20px}.coach{padding:16px;display:flex;align-items:center;gap:12px}.coach img{width:98px;height:112px;object-fit:contain;flex-shrink:0}blockquote{margin:0;font-size:15px;font-weight:600}#feedback{font-size:14px;white-space:pre-line}.tools,.answers{display:grid;gap:8px}.tools button{text-align:left}.secondary-tools{display:flex;gap:8px;border-top:1px solid var(--line);padding-top:14px;margin-top:14px}.secondary-tools button{flex:1;font-size:14px}label{display:block;font-size:14px;margin:10px 0 5px}input,select{width:100%;min-width:0;border:1px solid #bdc5b5;border-radius:9px;padding:9px;background:white;color:var(--ink)}.start-row{display:grid;grid-template-columns:1fr auto;gap:8px}.notice,.error{border-radius:12px;padding:12px 16px;margin-bottom:18px;background:#fff3d8;color:#73511f}.error{background:#ffebe6;color:#8e3028}.answers button{font-weight:600}#legend{margin:5px 0 12px}.help a{text-decoration:underline}[hidden]{display:none!important}
@media(max-width:880px){main{padding:16px}.layout{grid-template-columns:minmax(0,1fr)}aside{grid-template-columns:1fr 1fr}.coach{grid-column:1/-1}.board-panel{padding:12px}.coach img{width:80px;height:85px}.board-heading h1{font-size:21px}.move-bar{position:sticky;bottom:0;background:var(--paper);padding:10px 0;margin-bottom:0;z-index:2}header{padding:14px 16px;gap:12px}.brand{font-size:21px}header>span{font-size:13px}}
@media(max-width:520px){main{padding:10px}.layout{gap:12px}aside{grid-template-columns:1fr}.board-panel{padding:9px;border-radius:12px}.board-heading{gap:5px}.board-heading h1{font-size:18px}#activity{font-size:11px}.move-bar{gap:7px;font-size:14px}.move-bar button{padding:8px 12px}header>a:last-child{font-size:12px}header>span{display:none}.panel{padding:16px}#board{border-radius:5px}}
.layout{grid-template-areas:"board coach" "board tools";grid-template-rows:auto 1fr}
.board-panel{grid-area:board}
.comparison-tabs{display:flex;gap:8px;flex-wrap:wrap}
.comparison-tabs button[aria-pressed=true]{background:var(--green);color:white;border-color:var(--green)}
#comparisonControls{padding-bottom:12px;margin-bottom:12px;border-bottom:1px solid var(--line)}
#cornerFocus{padding-top:12px;margin-top:12px;border-top:1px solid var(--line)}
.corner-start{border-top:1px solid var(--line);margin-top:16px;padding-top:12px;font-size:14px}
.corner-start summary{cursor:pointer;font-weight:600}
.corner-start button{margin-top:12px}
.corner-picker{border:0;padding:0;margin:12px 0 0;min-width:0}
.corner-picker legend{padding:0;margin-bottom:8px}
.corner-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.corner-grid button{margin:0;font-size:13px;padding:10px 7px}
.corner-grid button[aria-pressed=true]{background:var(--green);color:white;border-color:var(--green)}
.quiz-inline{border:1px solid var(--line);border-radius:12px;padding:10px;margin:0 0 12px;background:#f4f6ef}
.quiz-inline .answers{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.quiz-inline .answers button{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 10px}
.quiz-inline .answers button span{font-size:24px;line-height:1.2}
.quiz-inline small{font-size:11px;font-weight:500}
.score-entry{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.score-entry input{width:120px;flex:1;min-width:90px}
.score-entry button[aria-pressed=true]{outline:2px solid var(--green);background:#e1ebd9}
.feedback-launch{display:block;margin:0 0 12px auto;font-size:13px}
#feedbackDialog,#replacementDialog{border:1px solid var(--line);border-radius:16px;background:var(--paper);color:var(--ink);width:min(520px,94vw);max-height:90vh;overflow:auto;padding:20px}
#feedbackDialog::backdrop,#replacementDialog::backdrop{background:#17291f88}
#replacementDialog .tools{margin-top:16px}
#replacementTarget,#replacementMessage{overflow-wrap:anywhere}
#feedbackDialog textarea{width:100%;font:inherit;resize:vertical}
#feedbackDialog pre{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit}
#feedbackDialog button{margin:8px 4px 0 0}
.feedback-cat{float:left;width:76px;height:90px;object-fit:contain;margin-right:12px}
#feedbackForm{clear:both}#feedbackError{color:#8e3028}
#feedbackContext{width:auto;min-width:0;margin-right:7px}
#feedbackPreviewImage{max-width:100%;max-height:220px;object-fit:contain}
#feedbackHistory{clear:both}#feedbackHistoryImage{max-width:100%;max-height:60vh;object-fit:contain}
.feedback-history-text{white-space:pre-wrap;overflow-wrap:anywhere}
.feedback-history-text blockquote{margin:8px 0;padding-left:10px;border-left:3px solid var(--green)}
#feedbackHistoryActions button{max-width:100%;overflow-wrap:anywhere}
.coach{grid-area:coach;min-width:0}
.coach-actions{display:flex;flex-wrap:wrap;gap:6px}
.coach-actions:has(>button:not([hidden])){margin-top:8px}
.coach .corner-note{margin-top:10px;padding-left:10px;border-left:3px solid var(--green);font-size:14px;font-weight:500}
.layout>aside{grid-area:tools;min-width:0}
#savedBranches>div{display:grid;gap:6px}
#savedBranches button{max-width:100%;overflow-wrap:anywhere;text-align:left}
#savedBranches details{font-size:14px;color:var(--muted)}
#savedBranches summary{cursor:pointer;margin:4px 0 8px}
#savedBranches details button{margin-top:6px;margin-right:5px}
@media(max-width:880px){
  .layout{grid-template-areas:"coach" "board" "tools";grid-template-rows:auto}
  .coach{grid-column:auto;padding:10px 12px;gap:10px}
  .coach img{width:60px;height:68px}
  .coach blockquote{font-size:14px}
  .coach #feedback{font-size:13px;margin-bottom:0}
}