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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f8f8;
}

header {
    background-color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

header .logo img {
    height: 40px;
}

.connect-wallet {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    flex-grow: 1;
}

.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-5px);
}

.card .icon {
    margin-right: 1.5rem;
}

.card .icon img {
    width: 50px;
    height: 50px;
}

.card .content h2 {
    font-size: 1.25em;
    margin-bottom: 0.5rem;
}

.card .content p {
    font-size: 0.9em;
    color: #555;
}

footer {
    background-color: white;
    padding: 1rem;
    text-align: center;
    box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
}

.footer-nav {
    display: flex;
    justify-content: center;
}

.footer-nav a {
    margin: 0 1rem;
    color: #4CAF50;
    text-decoration: none;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

th, td {
    text-align: left;
    padding: 0.75rem;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #f2f2f2;
    font-weight: bold;
}

input[type="text"], input[type="number"] {
    width: 100%;
    padding: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
}

.result {
    background-color: #e8f5e9;
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid #4CAF50;
    padding-bottom: 0.5rem;
}

h3 {
    font-size: 1.5rem;
    color: #4CAF50;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}