body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background-color: #eff7ff;
}
.header {
    background-color: #0f3c66;
    color: rgb(255, 255, 255);
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.header-left h1, .header-left h6 {
    margin: 0;
}
.header-right button {
    background-color: #020079;
    color: white;
    border: none;
    padding: 10px;
    margin-left: 10px;
    cursor: pointer;
}
.header-right button:hover {
    background-color: #020079;
}
.container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 20px;
}
.calculator {
    flex: 1;
    min-width: 200px;
    margin: 10px;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    background-color: #145490;
    color: rgb(255, 255, 255);
}
.calculator h2 {
    margin-top: 0;
}
.calculator input {
    width: calc(100% - 20px);
    padding: 8px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}
.calculator label {
    font-size: 14px;
    display: block;
    margin-bottom: 5px;
    color: #555;
    opacity: 0.8;
}
.button-container {
    text-align: center;
    margin-top: 20px;
}
button {
    padding: 10px 20px;
    font-size: 16px;
    background-color: #020079;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
button:hover {
    background-color: #020079;
}
.breakdown-table, .tips, .keywords, .remaining-money, .savings {
    margin-top: 20px;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    background-color: #eff7ff;
}
.breakdown-table table {
    width: 100%;
    border-collapse: collapse;
}
.breakdown-table th, .breakdown-table td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: right;
}
.breakdown-table th {
    background-color: #020079;
    color: white;
}
.tips {
    text-align: left;
}
.keywords {
    text-align: center;
    font-size: 15px;
}
.remaining-money {
    font-size: 18px;
}
.savings {
    font-size: 18px;
}
.error-message {
    color: red;
    font-weight: bold;
}
.instructions {
    text-align: center;
    margin: 20px 0;
}
.instructions button {
    display: block;
    margin: 0 auto;
    background-color: #020079;
}

.benefits {
    font-family: 'Arial', sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.benefits h2 {
    color: #0f3c66;
    font-size: 28px;
    margin-bottom: 20px;
    border-bottom: 2px solid #0f3c66;
    padding-bottom: 10px;
}
.benefits h3 {
    color: #2a4d69;
    font-size: 22px;
    margin-top: 25px;
    margin-bottom: 15px;
}
.benefits p {
    color: #333;
    line-height: 1.6;
    margin-bottom: 15px;
}
.benefits ul {
    padding-left: 20px;
}
.benefits li {
    margin-bottom: 10px;
}

.benefits2 {
    text-align: left;
    margin: 20px 0;
    font-size: 18px;
}
.chart-container {
    width: 100%;
    max-width: 600px;
    margin: 20px auto;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}
.modal-content {
    background-color: #eff7ff;
    margin: 10% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 400px;
    position: relative;
    border-radius: 8px;
}
.close {
    color: #aaa;
    position: absolute;
    right: 15px;
    top: 10px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}
.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}
#history-list {
    list-style-type: none;
    padding: 0;
}
#history-list li {
    background-color: #fff;
    margin-bottom: 10px;
    padding: 10px;
    border-radius: 4px;
}