:root{font-family:Inter,"Microsoft YaHei",system-ui,sans-serif;color:#27342e;background:#f5f7f5;font-synthesis:none;line-height:1.6;--green:#255b43;--line:#e2e8e2;--muted:#748077}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,.tool-button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid #739b66;outline-offset:2px}button{border:1px solid var(--line);background:white;border-radius:8px;padding:8px 13px;color:inherit}button:hover{background:#f0f4ef}button:disabled{cursor:default;opacity:.6}.primary{background:var(--green);color:white;border-color:var(--green)}.primary:hover{background:#174732}.app{display:grid;grid-template-columns:218px minmax(0,1fr);min-height:100vh}.sidebar{background:#192d24;color:#e2ece5;padding:30px 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button[aria-pressed=true]{background:#e5eddf;border-color:#96b28b}.canvas-holder{overflow:hidden;background:#e5e9e3}canvas{display:block;max-width:100%;height:auto;touch-action:none}#issue-form>label{display:block;margin:13px 0;font-size:12px}#issue-form input,#issue-form textarea,#issue-form select{display:block;width:100%;border:1px solid var(--line);background:white;border-radius:6px;padding:9px;margin-top:5px;resize:vertical}#detail-content{font-size:13px;overflow-wrap:anywhere}#detail-content p{white-space:pre-wrap}#detail-content img{max-width:100%;border-radius:6px;margin-top:10px}.timeline{margin:22px 0}.timeline>div{padding:8px 0 8px 14px;border-left:2px solid #dae4d4;font-size:12px}.timeline small{display:block;color:var(--muted)}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#243c2e;color:#fff;padding:12px 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