style.css

/* General Reset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Font and Background */
body {
    font-family: 'Roboto', sans-serif;
    background-color: #f5f5f7;
    color: #333;
    line-height: 1.6;
}

/* Main Container */
.container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 12px; /* Rounded corners for container */
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1); /* Subtle shadow */
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}

/* Header */
header {
    text-align: center;
    width: 100%;
    padding: 20px 0;
    margin-bottom: 20px;
    color: #585858;
}

header h1 {
    margin: 0;
    font-size: 2.5rem;
    color: #333;
}

/* Form and Chart Containers */
.form-container,
.chart-container {
    background-color: #fafafa; /* Lighter background for containers */
    padding: 20px;
    border-radius: 8px; /* Rounded corners for inner containers */
    margin-bottom: 20px;
}

/* Expense Form Styling */
.expense-form input[type="text"],
.expense-form input[type="number"],
.expense-form select,
.expense-form button {
    width: 100%;
    padding: 15px;
    margin-bottom: 15px;
    border: none;
    border-radius: 8px; /* Rounded corners for form elements */
}

/* Buttons */
.expense-form button {
    background-color: #4CAF50;
    color: white;
    transition: background-color 0.3s;
    font-size: 1rem;
    font-weight: bold;
}

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

/* Table Styling */
.expense-display table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 15px;
}

.expense-display th,
.expense-display td {
    text-align: left;
    padding: 10px;
    border-bottom: 1px solid #ddd;
    border-radius: 8px; /* Optional: Rounded corners for table cells */
}

.expense-display th {
    background-color: #f9f9f9;
    color: #333;
}

/* Total Amount */
.total-amount {
    font-size: 1.5rem;
    text-align: right;
    color: #333;
}

/* Delete Button */
.delete-btn {
    color: #d32f2f;
    cursor: pointer;
    text-align: center;
    display: inline-block; /* To apply padding and margin */
    padding: 2px 8px;
    border-radius: 5px; /* Rounded corners for delete button */
    transition: background-color 0.2s, color 0.2s;
}

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

.chart-container {
    flex: 2 1 55%; /* Give more flex-basis percentage for the chart */
    min-width: 300px; /* Ensure it doesn't get too small on narrow screens */
    /* Other styles */
}

@media (max-width: 768px) {
    .form-container,
    .chart-container {
        flex: 1 1 100%; /* Make them stack on smaller screens */
    }
}

/* Login Form Styling */
.login-container {
    width: 100%;
    max-width: 400px;
    margin: 60px auto 20px;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px; /* Consistent with your other elements */
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1); /* Same shadow as container */
    display: flex;
    flex-direction: column;
    align-items: center;
}

.login-form input[type="text"],
.login-form input[type="password"],
.login-form button {
    width: 100%;
    padding: 15px;
    margin-top: 10px;
    border: none;
    border-radius: 8px; /* Consistent rounded corners */
    font-family: 'Roboto', sans-serif; /* Consistent font */
}

.login-form button {
    background-color: #4CAF50; /* Matching button color */
    color: white;
    transition: background-color 0.3s;
    font-weight: bold;
}

.login-form button:hover {
    background-color: #45a049; /* Slightly darker green on hover */
}

#login-error-message {
    color: #d32f2f; /* Consistent error color */
    margin-top: 10px;
    display: none; /* Hidden by default */
}

/* Responsive adjustment for login container */
@media (max-width: 768px) {
    .login-container {
        margin: 20px auto;
        width: 90%;
    }
}