body {
    font-family: sans-serif;
    background: #fff6f8;
    margin: 1em;
}

h1 {
    margin-bottom: 0.2em;
}

nav {
    margin-bottom: 1em;
}

table.week {
    width: 100%;
    border-collapse: collapse;
}

table.week th,
table.week td {
    border: 1px solid #ccc;
    min-height: 40px;
    padding: 0;
    text-align: center;
}

td.time {
    width: 70px;
    background: #f0f0f0;
    font-weight: bold;
}

/* Free slots */
td.free {
    background-color: #d0f0fd; /* light blue */
    cursor: pointer;
}

td.free:hover {
    background-color: #b9e6f7;
}

/* Booked slots */
td.booked {
    background-color: #ffccd5; /* soft pink */
    cursor: default;
}