.form {
    display: flex;
    font-weight: bold;
    flex-direction: row;
    flex-wrap: wrap;
}

.form>* {
    margin-left: 0.2em;
}

input,
select {
    color: black;
}

.form input,
.form select,
.form span[contenteditable],
div:has(> input[type="checkbox"]) {
    background: none;
    border: none;
    font-size: inherit;
    border-bottom: 2px solid black;
    border-radius: 0px;
}

.form-group {
    display: inline-block;
    padding-top: 0.2em;
    padding-bottom: 0.2em;
}

.form-group:not(:last-child) {
    margin-right: 0.5em;
}

.form input:focus,
input.inline-form:focus,
.form select:focus,
.form span[contenteditable]:focus,
.form span[contenteditable]:active {
    outline: none;
    color: darkred;
    border-bottom-color: darkred;
}

input[type="checkbox"]:active::before,
input[type="checkbox"]:focus::before {
    color: darkred;
}

.form button {
    padding: 0px;
    padding-bottom: 1px;
    border: none;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    background: none;
    font-size: inherit;
    font-weight: bold;
    color: inherit;
}

.form button.search:focus,
.form .toggle label:focus,
.form div:has(> input[type="checkbox"]:active),
.form div:has(> input[type="checkbox"]:focus) {
    outline: 0 !important;
    border-bottom: 2px solid darkred;
    color: darkred;
}

input[type="checkbox"] {
    appearance: none;
    width: 1rem;
    height: 1rem;
    border: 1px solid black;
    position: relative;
    vertical-align: middle;
}

input[type="checkbox"]:focus,
input[type="checkbox"]:active {
    outline: none;
    border-color: darkred;
}

input[type="checkbox"]::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    font-size: 1rem;
    text-align: center;
    line-height: 1rem;
}

input[type="checkbox"]:checked::before {
    content: "✓";
}