body {
    font-family: 'Inter', sans-serif;
}
.qr-code {
    max-width: 100px;
    margin: 0 auto;
}
.center {
    text-align: center;
}
.chart-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    height: 400px;
    max-height: 50vh;
}
.content-card {
    background-color: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    transition: all 0.3s ease-in-out;
}
.nav-button {
    transition: all 0.2s ease-in-out;
}
.nav-button.active {
    color: #4f46e5;
    border-bottom-color: #4f46e5;
}
.nav-button:not(.active) {
    border-bottom-color: transparent;
}