:root {
    font-family: system-ui, sans-serif;
    line-height: 1.4;
}

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    background: #f6f7fb;
}

h1 {
    margin-bottom: 1.5rem;
}

.field {
    width: 80%;
    max-width: 700px;
    padding: .75rem 1rem;
    border: 1px solid #d0d0d5;
    border-radius: 8px;
    font-size: 1rem;
    box-sizing: border-box;
    margin-bottom: 15px;
}

.field[readonly] {
    background: #ebecf0;
    cursor: pointer;
    user-select: all;
    transition: background .2s;
}

.field[readonly]:active {
    background: #d0d0d5;
}