:root {
    --cli-spacing-vertical: 5px;
    --cli-spacing-horizontal: 5px;
    --cli-margin: 5px 0 0 25px;
    --cli-font-size: 20px;
    --cli-height: 30px;
    --cli-status-width: 8px;
    --cli-margin-left: 20px;
}

#command-line {
    position: relative;
    display: inline-block;
    width: 100%;
    font-size: var(--cli-font-size);
}

#command-line[data-extended="true"] {
    border-bottom: 2px solid var(--c64-light-blue);
}

#command-prompt {
    position: absolute;
    top: 5px;
}

#command-cursor {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10;

    color: var(--c64-light-blue);
    pointer-events: none;
    background: transparent;
    padding: var(--cli-spacing-vertical) var(--cli-spacing-horizontal);
    resize: none;
    overflow: hidden;
    font: inherit;
    letter-spacing: inherit;
    line-height: inherit;
    min-height: var(--cli-height);
    width: 100%;
    box-shadow: none;
    box-sizing: border-box;
    outline: 0;
    border: none;
    margin-left: var(--cli-margin-left);
}

#command-textbox {
    position: relative;
    z-index: 2;
    caret-color: transparent;

    background: transparent;
    padding: var(--cli-spacing-vertical) var(--cli-element-spacing-horizontal);
    resize: none;
    overflow: hidden;
    font: inherit;
    letter-spacing: inherit;
    line-height: inherit;
    min-height: var(--cli-height);
    width: 100%;
    box-shadow: none;
    box-sizing: border-box;
    outline: 0;
    border: none;
    margin: var(--cli-margin);
}

#command-hint {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;

    color: #666;
    pointer-events: none;
    background: transparent;
    padding: var(--cli-spacing-vertical) var(--cli-spacing-horizontal);
    resize: none;
    overflow: hidden;
    font: inherit;
    letter-spacing: inherit;
    line-height: inherit;
    min-height: var(--cli-height);
    width: 100%;
    box-shadow: none;
    box-sizing: border-box;
    outline: 0;
    border: none;
    margin-left: var(--cli-margin-left);
}

/* Custom Cursor */
.custom-cursor {
    position: absolute;
    width: 1ch;
    height: 1em;
    background: var(--c64-light-blue);
    pointer-events: none;
    z-index: 3;
    animation: blink 1s infinite;
}

@keyframes blink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}


/* The scrollback shows your previous inputs and outputs. */

#scrollback {
    overflow-y: auto;
    margin: 0;
    padding: 0;
    max-height: 95vh;
    font-size: var(--cli-font-size);
}

[data-mode="cinema"] #scrollback {
    max-height: 505px;
}

#scrollback li {
    list-style: none;
    margin: 0;
}

#scrollback .center {
    text-align: center;
}

#scrollback .input .content {
    margin-left: var(--cli-status-width);
}

#scrollback .output {
    white-space: pre-wrap;
}