/* General Styles */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1, h2 {
    text-align: center;
}

input, select, button {
    display: block;
    width: 100%;
    margin: 10px 0;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

button {
    background-color: #4CAF50;
    color: white;
    cursor: pointer;
    border: none;
}

button:hover {
    background-color: #45a049;
}

.notification {
    color: red;
    font-weight: bold;
    text-align: center;
}

.hidden {
    display: none;
}

/* Expense List */
.expense-list ul {
    list-style: none;
    padding: 0;
}

.expense-list li {
    background: #f9f9f9;
    margin: 10px 0;
    padding: 10px;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.delete-btn {
    background-color: #f44336;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
}

.delete-btn:hover {
    background-color: #d32f2f;
}

/* Mobile Responsiveness */
@media (max-width: 600px) {
    .container {
        padding: 10px;
    }
    
    input, select, button {
        width: 100%;
    }
    
    .expense-list li {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .delete-btn {
        margin-top: 10px;
        width: 100%;
    }
}