body {
    margin: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f7f7f7;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.card {
    width: 320px;
    padding: 24px;
    border-radius: 12px;
    background-color: #ffffff;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    text-align: center;
}

.card h1 {
    margin-bottom: 16px;
    font-size: 20px;
    font-weight: 600;
}

.card p {
    margin-bottom: 24px;
    font-size: 15px;
    line-height: 1.5;
    color: #444;
    transition: opacity 0.2s ease;
}

button {
    all: unset;
    cursor: pointer;
    padding: 10px 16px;
    border-radius: 6px;
    background-color: #f1f1f1;
    color: #333;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

button:hover {
    background-color: #e5e5e5;
}

button:active {
    transform: scale(0.98);
}

button:focus-visible {
    outline: 2px solid #93c5fd;
    outline-offset: 2px;
}