:root{--marigin-size:20px;--font-size:32px}body{font-size:var(--font-size)}#simulation{grid-gap:20px;display:grid}euclid-stick{--unit:24px;--count:41;display:inline-block;vertical-align:middle}.inputs-container{display:flex;gap:24px;margin-bottom:16px}.input-group{align-items:flex-start;display:flex;flex-direction:column;font-family:sans-serif}.input-group label{font-size:1rem;font-weight:700;margin-bottom:4px}.input-group input[type=number]{border:2px solid #333;border-radius:6px;font-size:1rem;padding:6px 10px;text-align:right;transition:border-color .2s,box-shadow .2s;width:80px}.input-group input[type=number]:focus{border-color:#1aa2e6;box-shadow:0 0 4px #1aa2e6;outline:none}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield}.button-wrapper{background:#fefefe;padding:5px}.button-wrapper,equation-container{box-shadow:0 3px 15px rgba(0,0,0,.2);display:inline-block;margin:20px}equation-container{box-sizing:border-box;padding:20px}equation{align-items:end;display:grid;gap:8px;grid-template-columns:1fr auto 1fr}equation-lhs{display:flex;gap:4px;justify-content:flex-end}equation-eql:before{align-items:flex-end;content:"=";display:flex;font-size:2rem;font-weight:700;justify-content:center}equation-rhs{display:flex;gap:4px;justify-content:flex-start}.app-controls{align-items:center;box-shadow:0 3px 15px rgba(0,0,0,.2);display:inline-flex;gap:12px;margin:var(--marigin-size);padding:12px 16px;width:fit-content}.app-controls label{align-items:center;display:flex;font-weight:500;gap:6px}.app-controls input{border:1px solid #aaa;border-radius:4px;font-size:var(--font-size);padding:4px 6px;text-align:center;width:60px}.app-controls button{background:#fff;border:1px solid #888;border-radius:6px;cursor:pointer;padding:6px 14px;transition:all .15s ease}.app-controls button:hover{background:#e8e8e8}.undo-button{background:#fafafa;cursor:pointer;font-weight:500;padding:8px 16px;transition:all .15s ease}.button-wrapper:hover{background:#e2e2e2}.undo-button:active{transform:translateY(1px)}.help{margin:var(--marigin-size);width:50%}