body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #fff;
    color: #333;
}
header, footer {
    background: #ffeaf5;
    color: #333;
    padding: 10px 20px;
}
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
header h1 {
    margin: 0;
    font-size: 1.2rem;
}
.menu-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
}
nav {
    display: none;
}
nav.open {
    display: block;
}
nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
nav li {
    margin: 5px 0;
}
main {
    max-width: 800px;
    margin: 20px auto;
    padding: 0 10px;
}
.card {
    background: #fff0f6;
    border: 1px solid #ffccdd;
    border-radius: 8px;
    padding: 10px;
    margin-bottom: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
@media (min-width: 600px) {
    nav {
        display: block;
    }
    .menu-toggle {
        display: none;
    }
    nav ul {
        display: flex;
        gap: 10px;
    }
    nav li {
        margin: 0;
    }
}