html,body{height:100%;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:#202020;color:#d7d8d8}.main-container{display:flex;height:100%;width:100%}.toolbar{display:flex;flex-direction:column;gap:10px;background-color:#1e1e1e;border-right:1px solid #444}.toolbar button{background-color:#333;color:#fff;border:1px solid #555;border-radius:4px;cursor:pointer;display:flex;align-items:center;justify-content:center;width:30px;height:30px}.toolbar button:hover{background-color:#444}.toolbar button img{width:24px;height:24px}#chart{flex-grow:1;height:100%;background-color:#f0f3fa}