:root{font-family:RK,'Atkinson Hyperlegible',system-ui,sans-serif;color:#183f3a;background:#edf3ef;font-synthesis:none;--a:#a24608;--b:#0369a1;--c:#7e22ce}*{box-sizing:border-box}body{margin:0}button,select,input{font:inherit}button,a,select,input{touch-action:manipulation}button,select{min-height:44px}button{border:1px solid #b5cdc4;background:white;color:#184e42;border-radius:12px;padding:10px 17px;font-weight:700;cursor:pointer}button:hover{background:#eaf4ef}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #007f9e;outline-offset:4px}a{color:inherit}.wm-app{max-width:1800px;margin:auto;padding:24px 30px 18px;min-height:100dvh;display:flex;flex-direction:column;gap:18px}.wm-top{display:flex;justify-content:space-between;align-items:center;gap:12px}.brand{font-size:14px;font-weight:800;letter-spacing:.08em}.brand span{color:#647a70;font-weight:400;letter-spacing:0;margin-left:10px}.wm-nav{display:flex;align-items:center;gap:16px}.wm-nav>a{font-size:14px}.wm-nav select{border:1px solid #b5cdc4;background:transparent;border-radius:10px;padding:6px 10px;max-width:140px;color:inherit}h1{font-size:clamp(28px,3.2vw,47px);letter-spacing:-.045em;line-height:1.1;margin:0}.wm-heading{display:flex;align-items:end;justify-content:space-between;gap:20px}.wm-heading p{margin:8px 0 0;color:#536a60;font-size:18px}.full{background:#1c5949;color:white;border-color:#1c5949;white-space:nowrap}.full:hover{background:#133f34}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px;flex:1;min-height:0}.wm-board{min-width:0;display:flex;flex-direction:column;background:#fff;border:1px solid #c9dcd3;border-radius:24px;box-shadow:0 12px 36px #244e3b09;overflow:hidden}.board-top{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:14px 22px;border-bottom:1px solid #e4ece8}.board-top p{margin:0;font-size:16px}.scale-buttons{display:flex;gap:7px}.scale-buttons button{padding:5px 13px;font-size:24px;min-width:44px}.svg-wrap{flex:1;min-height:280px;display:flex;align-items:center;justify-content:center;position:relative;isolation:isolate}#triangleBoard{display:block;width:100%;height:100%;min-height:280px;max-height:calc(100dvh - 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@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}
.sum-bar{flex-shrink:0;min-height:9px}
/* Keep the demonstration and toolbar together on a classroom display. */
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