body {
        background-color: #111;
        font-family: Arial, sans-serif;
        display: flex;
        justify-content: center;
        align-items: center;
        min-height: 100vh;
        margin: 0;
        color: #fff;
    }
    .container {
        background-color: #1a1a1a;
        padding: 20px;
        border-radius: 15px;
        box-shadow: 0px 0px 10px rgba(0, 255, 255, 0.3);
        width: 400px;
        border: 1px solid #00bfff;
    }
    h1 {
        text-align: center;
        color: #00bfff;
    }
    input {
        width: 100%;
        padding: 10px;
        margin: 8px 0;
        border: none;
        border-radius: 8px;
        background-color: #262626;
        color: white;
    }
    button {
        width: 100%;
        padding: 10px;
        background-color: #00bfff;
        color: white;
        border: none;
        border-radius: 8px;
        font-weight: bold;
        cursor: pointer;
        margin-top: 5px;
    }
    button:hover {
        background-color: #009acd;
    }
    h2 {
        color: #00bfff;
    }
    #expensesList {
        font-size: 14px;
        margin-bottom: 10px;
    }
    .advice {
        background-color: #111;
        padding: 10px;
        border-radius: 8px;
        border: 1px solid rgba(0, 255, 255, 0.2);
        min-height: 50px;
    }



button {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  background: #00bcd4;
  color: black;
  font-weight: bold;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  background: #0097a7;
}