styles.css

.task-runner-settings-container {
    display: grid;
    grid-template-columns: auto auto 1fr;
    grid-template-rows: repeat(5, auto);

    grid-template-areas:
            'tasklist content content'
            'tasklist content content'
            'tasklist content content'
            'tasklist content content'
            'tasklist content content';
}

.task-runner-settings-container > .list-box {
    grid-area: tasklist;
    resize: horizontal;
}

.task-runner-settings-container > .list-box-viewport {
    grid-area: content;
    display: grid;
    grid-template-columns: subgrid;
    grid-template-rows: subgrid;

    grid-template-areas:
            'taskname taskname'
            'before   before'
            'triggers triggers'
            'steps    steps'
            'after    after';
}

.task-runner-settings-container .task-name { grid-area: taskname; }
.task-runner-settings-container .before { grid-area: before; }
.task-runner-settings-container .triggers { grid-area: triggers; }
.task-runner-settings-container .steps { grid-area: steps; }
.task-runner-settings-container .after { grid-area: after; }

.task-runner-settings-container .before,
.task-runner-settings-container .triggers,
.task-runner-settings-container .steps,
.task-runner-settings-container .after {
    border: var(--input-border-width) solid var(--background-modifier-border);
    padding: var(--size-4-4) var(--size-4-2);
    border-radius: var(--radius-m);
    overflow: hidden;
}

.task-runner-settings-container .triggers,
.task-runner-settings-container .steps {
    display: grid;
    grid-template-columns: subgrid;
    grid-template-rows: auto 1fr;

    gap: var(--size-4-2);

    grid-template-areas:
            'desc    desc'
            'listbox editor';
}

.task-runner-settings-container .triggers > .description,
.task-runner-settings-container .steps > .description {
    grid-area: desc;
}

.task-runner-settings-container .triggers > .list-box,
.task-runner-settings-container .steps > .list-box {
    grid-area: listbox;
}

.task-runner-settings-container .triggers > .list-box-viewport,
.task-runner-settings-container .steps > .list-box-viewport {
    grid-area: editor;
}

.list-box-container {
    gap: var(--size-2-2);
}

.task-runner-settings-container h5 {
    margin: 0;
    padding: 0;
    font-size: var(--font-ui-larger);
}
.task-runner-settings-container p {
    margin: 0;
    padding: 0;
    font-size: var(--font-ui-smaller);
}

details summary > :is(h1, h2, h3, h4, h5, h6) {
    display: inline-block;
}

.list-box {
    -webkit-app-region: no-drag;
    background: var(--background-modifier-form-field);
    border: var(--input-border-width) solid var(--background-modifier-border);
    color: var(--text-normal);
    font-family: inherit;

    font-size: var(--font-ui-small);
    border-radius: var(--input-radius);
    outline: none;

    overflow: hidden;
}

.list-item {
    display: block;
    margin: 0 0;
    padding: var(--size-2-1) var(--size-4-2);
    font-size: var(--font-ui-smaller);
    white-space: nowrap;
    word-break: keep-all;
}

.list-item:focus, .list-item.active {
    background: var(--text-selection);
}

.list-box:focus .list-item:focus, .list-box:focus .list-item.active {
    background: hsl(var(--accent-h), var(--accent-s), var(--accent-l));
    color: var(--text-on-accent);
}

.list-box-viewport {
    flex: 1;
}

.step-label {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--size-2-1);
}

.icon-button:hover {
    background: var(--text-selection);
}

textarea.command-editor {
    resize: vertical;
    width: 100%;
    font-family: var(--font-monospace-theme), monospace;
}

.button-group {
    display: flex;
    flex-direction: row;
    padding: 0 var(--size-4-2);
    align-items: center;
    width: 100%;
    background: var(--color-base-20);
}

.button-group .icon-button {
    background: none;
    border: none;
    box-shadow: none;
    line-height: 1em;
    /*padding: var(--size-2-2);*/
}

.flex {
    display: flex;
    flex-direction: row;
    gap: var(--size-2-2);
}

.fill {
    flex: 1;
}

input:invalid {
    background-color: var(--background-modifier-error);
}