.container {
    max-width: 400px;
    margin: 2rem auto;
}

body {
    font-family: sans-serif;
    background-color: #0c182c;
    margin: 2rem;
}

.row {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
    background-color: #fff;
    border-radius: 4px;
    padding: 0.5rem;
}

.row label {
    width: 120px;
    font-weight: bold;
    color: #000;
    margin-right: 0.5rem;
}

.row > div,
.row > span,
.row > input {
    flex: 1;
}

input {
    width: 100%;
    padding: 4px;
    border: 1px solid #000;
    border-radius: 4px;
}

#timezone {
    max-width: 6rem;
}

#brightness {
    max-width: 16rem;
}

button {
    width: 100px;
    padding: 0.5rem 1rem;
    margin: 0.25rem;
    border: none;
    border-radius: 4px;
    background-color: #000;
    color: #fff;
    cursor: pointer;
}

button:disabled {
    background-color: #aaa;
    cursor: not-allowed;
}

button#connect:enabled {
    background-color: #282;
}

button#disconnect:enabled {
    background-color: #822;
}

button#save:enabled {
    background-color: #282;
}

#time {
    font-weight: bold;
    color: #000;
}

#time-accuracy {
    padding-left: 10px;
    color: #000;
}

#log {
    width: 100%;
    height: 60px;
    padding: 0.5rem;
    border: 1px solid #000;
    border-radius: 4px;
    background-color: #fff;
    color: #333;
    font-family: monospace;
    resize: vertical;
}

#ble-warning {
    display: none;
    background-color: #f00;
    color: #fff;
    font-weight: bold;
    text-align: center;
}