:root {
    --flowrun-green: #258139;
    --flowrun-green-darker: #214426;
    --flowrun-yellow: #ffd166;
    --flowrun-yellow-darker: #8f6400;
    --flowrun-light_blue: #8de4ff;
    --flowrun-light_blue-darker: #00799e;
    --flowrun-blue: #015692;
    --flowrun-blue-darker: #002a3a;
    --flowrun-red-lighter: #ff7139;
    --flowrun-red: #d43627;
    --flowrun-red-darker: #7a0d03;
    --flowrun-grey: #f6f6f6;
    --flowrun-grey-darker: #dfdfdf;
    --flowrun-white: #fff;

    /* configurable colors */
    --flowrun-bg-color: var(--flowrun-white);

    --flowrun-font-monospace: 'Courier Prime';
    --flowrun-font-color: var(--flowrun-green-darker);

    --flowrun-fun-chooser-bg-color: var(--flowrun-light_blue);
    --flowrun-fun-chooser-hover-color: var(--flowrun-light_blue-darker);
    --flowrun-btn-fun-add-hover-color: var(--flowrun-light_blue);

    --flowrun-ctx-menu-bg-color: var(--flowrun-blue);
    --flowrun-ctx-menu-color: var(--flowrun-white);
    --flowrun-ctx-menu-hover-color: var(--flowrun-blue-darker);
}

.flowrun-instance {
    min-height: 20rem;
}

.flowrun-instance * {
    padding: 0;
    box-sizing: border-box;
}

.flowrun-instance a,
.flowrun-instance a:hover {
    text-decoration: none;
}

.flowrun-functions-list,
.flowrun-instance select,
.flowrun-instance input {
    font-family: var(--flowrun-font-monospace);
    padding: 0.1rem;
}

.flowrun-output-statement :not(.material-icons) {
    font-family: var(--flowrun-font-monospace);
}

.flowrun-functions-list,
.flowrun-output,
.flowrun-diagram {
    color: var(--flowrun-font-color);
}

.flowrun-instance .flowrun--panel {
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: 2px 1px 5px grey;
    background-color: var(--flowrun-bg-color);
    border-radius: 0.25rem;
}


/****************************/
/* FUNCTIONS LIST */
/****************************/
.flowrun-instance.flowrun-layout-d-o .flowrun-functions-list,
.flowrun-instance.flowrun-layout-d_o .flowrun-functions-list,
.flowrun-instance.flowrun-layout-d-o_c .flowrun-functions-list {
    display: none;
}

.flowrun-instance .flowrun-fun-chooser {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.flowrun-fun-chooser>div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--flowrun-fun-chooser-bg-color);
}

.flowrun-fun-chooser>div:hover {
    background-color: var(--flowrun-fun-chooser-hover-color);
}

.flowrun-fun-chooser>div>label {
    display: block;
    width: 80%;
    cursor: pointer;
    padding: 0.33rem;
    padding-left: 1rem;
}

.flowrun-instance .flowrun-fun-chooser>div>button {
    margin-right: 0.33rem;
}

.flowrun-fun-chooser .material-icons {
    color: var(--flowrun-red-darker);
}

.flowrun-btn-fun-add {
    width: 100%;
    text-align: center;
}

.flowrun-instance .flowrun-functions-list .flowrun-btn-fun-add:hover {
    background-color: var(--flowrun-btn-fun-add-hover-color);
}

.flowrun-input-radio {
    display: none;
}

.flowrun-input-radio:checked~span {
    font-weight: bold;
    font-size: 1.07em;
}


/**************************/
/* DIAGRAM */
/**************************/
.flowrun-diagram-info {
    grid-area: flowrun-diagram-info;
}

.flowrun-draw-io-btns {
    grid-area: flowrun-draw-io-btns;
}

.flowrun-draw-exec-btns {
    grid-area: flowrun-draw-exec-btns;
}

.flowrun-draw {
    grid-area: flowrun-draw;
}

.flowrun-diagram {
    display: grid;
    align-items: center;
    gap: 0.5rem;
    /* to position debug variables panel */
    position: relative;

    user-select: none;
    min-height: 15rem;
    max-height: 90vh;

    grid-template-columns: 1fr 1fr;
    grid-template-rows: 2rem 2rem calc(100% - 4rem);
    grid-template-areas:
        "flowrun-diagram-info   flowrun-diagram-info"
        "flowrun-draw-io-btns   flowrun-draw-exec-btns"
        "flowrun-draw           flowrun-draw"
    ;
}

.flowrun-diagram-info {
    display: flex;
    justify-content: center;
}

.flowrun-draw {
    display: flex;
    align-items: center;
    width: 100%;
    height: 100%;
}

.flowrun-draw svg {
    width: 100%;
    height: 100%;
}


/* fix for iPad/iPhone node selection.. */
.flowrun-draw svg text {
    pointer-events: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* debug variables */
.flowrun-debug-vars {
    position: absolute;
    right: 0;
    bottom: 0;
    padding: 5px;
}

.flowrun-debug-vars * {
    background-color: var(--flowrun-grey-darker);
}

.flowrun-debug-vars:empty {
    /* hide when empty */
    display: none;
}

.flowrun-debug-vars table {
    border-collapse: collapse;
}

.flowrun-debug-vars th,
.flowrun-debug-vars td {
    text-align: left;
    border-collapse: collapse;
    border-bottom: 1px solid var(--flowrun-green-darker);
}

.flowrun-debug-vars th:nth-child(2),
.flowrun-debug-vars td:nth-child(2) {
    padding-left: 0.5rem;
}

/* config widget */
.flowrun-config .flowrun-config-layout {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/**************************/
/* OUTPUT */
/**************************/
.flowrun-output {
    overflow: auto;
    position: relative;
    /* for clear output button */
}

.flowrun-output samp {
    font-size: 0.9em;
    white-space: pre;
}

.flowrun-output-statement {
    border-left: 3px var(--flowrun-grey-darker) solid;
}

.flowrun-output-runtime {
    border-left: 3px var(--flowrun-green) solid;
}

.flowrun-output-runtime.flowrun--error {
    color: var(--flowrun-red);
    border-left: 3px var(--flowrun-red) solid;
}

.flowrun-output-help {
    background-color: var(--flowrun-grey-darker);
    color: var(--flowrun-blue-darker);
}

.flowrun-output-syntax.flowrun--error {
    color: var(--flowrun-red-lighter);
    border-left: 3px var(--flowrun-red-lighter) solid;
}

.flowrun-btn-clear-output {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.flowrun-scratchpad {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding-top: 1rem;
}

.flowrun-scratchpad>* {
    flex: 1 1 auto;
    padding: 0.5rem;
}

.flowrun-scratchpad>*:empty {
    /* hide empty divs to fill in vertical space */
    display: none;
}


/**************************/
/* CODEGEN */
/**************************/

/* prism stuff */
div.code-toolbar {
    height: 100%;
    overflow: auto;
}

pre[class*=language-].flowrun-code {
    height: 100%;
    margin: 0;
}

.flowrun-gen-code-btns {
    display: flex;
    gap: 1rem;
    position: absolute;
    right: 1rem;
    top: 5px;
}

.flowrun-gen-code {
    position: relative;
    padding: 2rem 0 0.5rem 0;
}

.flowrun-instance.flowrun-layout-f-d-o .flowrun-gen-code,
.flowrun-instance.flowrun-layout-f-d_o .flowrun-gen-code,
.flowrun-instance.flowrun-layout-d-o .flowrun-gen-code,
.flowrun-instance.flowrun-layout-d_o .flowrun-gen-code {
    display: none;
}




/**************************/
/* NODES */
/**************************/
.node:not(.flowrun-not-selectable):not(.flowrun--selected):hover polygon,
.node:not(.flowrun-not-selectable):not(.flowrun--selected):hover ellipse {
    stroke: var(--flowrun-light_blue-darker);
    stroke-width: 1.5;
    stroke-dasharray: 10 3;
    stroke-linejoin: round;
}

.node.flowrun--selected polygon,
.node.flowrun--selected ellipse {
    stroke: var(--flowrun-blue-darker);
    stroke-width: 2;
    stroke-dasharray: 10 3;
    stroke-linejoin: round;
}

.node.flowrun--to-execute polygon,
.node.flowrun--to-execute ellipse {
    stroke: var(--flowrun-green);
    stroke-width: 3;
    stroke-dasharray: 10 5;
    stroke-linejoin: round;
}


.node.flowrun--error polygon {
    stroke: var(--flowrun-red);
    stroke-width: 3px;
    stroke-dasharray: 3 1;
    stroke-linejoin: round;
}


/**************************/
/* BUTTONS */
/**************************/
.flowrun-draw-exec-btns {
    display: flex;
    justify-content: flex-end;
}

.flowrun-draw-io-btns {
    display: flex;
}

.flowrun-instance button[class^="flowrun-btn"] {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.2rem;
    cursor: pointer;
    user-select: none;
    color: var(--flowrun-green);
    background: none;
    border: none;
}

.flowrun-instance button[class^="flowrun-btn"]:hover {
    background-color: var(--flowrun-grey);
}

.flowrun-stmt-inputs,
.flowrun-param-inputs,
.flowrun-user-inputs {
    display: flex;
    align-items: center;
    gap: 5px;
}

.flowrun-instance button[disabled] {
    opacity: 0.5;
    pointer-events: none;
}

/**************************/
/* CTX menu */
/**************************/
.flowrun-context-menu {
    display: none;
}

.flowrun-context-menu.active {
    position: absolute;
    /* relative to the BODY! so it stays there always.. */
    z-index: 10000;

    width: 150px;
    display: flex;
    flex-direction: column;

    user-select: none;
}

.flowrun-context-menu>button {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    font-size: 15px;
    background: var(--flowrun-ctx-menu-bg-color);
    color: var(--flowrun-ctx-menu-color);
    border: 1px var(--flowrun-blue-darker) solid;
}

.flowrun-context-menu>button:disabled {
    background-color: var(--flowrun-grey-darker);
    color: var(--flowrun-blue-darker);
}

.flowrun-context-menu>*:hover {
    background: var(--flowrun-ctx-menu-hover-color);
}

/**************************/
/* ReadOnly mode */
/**************************/
.flowrun-instance.flowrun-readonly svg {
    padding-top: 0;
}

.flowrun-instance.flowrun-readonly .flowrun-btn-fun-add {
    display: none;
}

.flowrun-instance.flowrun-readonly .flowrun-btn-fun-delete {
    display: none;
}

.flowrun-instance.flowrun-readonly .flowrun-diagram-top-left {
    display: none;
}

.flowrun-instance.flowrun-readonly .flowrun-btn-load {
    display: none;
}

.flowrun-instance.flowrun-readonly .flowrun-btn-paste-source {
    display: none;
}

.flowrun-instance.flowrun-readonly .flowrun-btn-config {
    display: none;
}

@media screen and (min-width: 600px) {

    .flowrun-diagram {
        /* no need to limit on desktop */
        max-height: unset;
    }

    /* overall editor layout */
    .flowrun-functions-list {
        grid-area: flowrun-functions-list;
    }

    .flowrun-output {
        grid-area: flowrun-output;
    }

    .flowrun-diagram {
        grid-area: flowrun-diagram;
    }

    .flowrun-gen-code {
        grid-area: flowrun-gen-code;
    }

    .flowrun-instance {
        display: grid;
        /* must deduct gap with calc! */
        gap: 0.5rem;

        grid-template-columns: 20% calc(45% - 1rem) 35%;
        grid-template-rows: 50% calc(50% - .5rem);
        grid-template-areas:
            "flowrun-functions-list  flowrun-diagram  flowrun-output  "
            "flowrun-functions-list  flowrun-diagram  flowrun-gen-code"
        ;
    }

    .flowrun-instance.flowrun-layout-f-d-o {
        grid-template-rows: 100%;
        grid-template-areas:
            "flowrun-functions-list  flowrun-diagram  flowrun-output"
        ;
    }

    .flowrun-instance.flowrun-layout-f-d_o {
        grid-template-columns: calc(30% - 0.5rem) 70%;
        grid-template-rows: calc(70% - 0.5rem) 30%;
        grid-template-areas:
            "flowrun-functions-list  flowrun-diagram"
            "flowrun-functions-list  flowrun-output"
        ;
    }

    .flowrun-instance.flowrun-layout-d-o_c {
        grid-template-areas:
            "flowrun-diagram  flowrun-diagram  flowrun-output  "
            "flowrun-diagram  flowrun-diagram  flowrun-gen-code"
        ;
    }

    .flowrun-instance.flowrun-layout-d-o {
        grid-template-columns: calc(50% - 0.5rem) 50%;
        grid-template-rows: 100%;
        grid-template-areas: "flowrun-diagram  flowrun-output";
    }

    .flowrun-instance.flowrun-layout-d_o {
        grid-template-columns: 100%;
        grid-template-rows: calc(70% - 0.5rem) 30%;
        grid-template-areas:
            "flowrun-diagram"
            "flowrun-output"
        ;
    }

    /* other */
    .flowrun-instance>.flowrun--panel {
        margin-bottom: 0;
    }
}

@media screen and (min-width: 1000px) {

    /* there is space for all 3 sections*/
    .flowrun-diagram {
        grid-template-columns: 1fr 1fr 1fr;
        grid-template-rows: 2rem calc(100% - 2rem);
        grid-template-areas:
            "flowrun-draw-io-btns   flowrun-diagram-info    flowrun-draw-exec-btns"
            "flowrun-draw           flowrun-draw            flowrun-draw"
        ;
    }
}

/**************************/
/* MISC */
/**************************/
.flowrun--disabled {
    pointer-events: none;
    opacity: 0.8;
}

.flowrun--hidden {
    display: none;
}

input[type="text"].flowrun--disabled {
    opacity: 1;
    border: none;
}

.flowrun--running {
    border: 3px var(--flowrun-red-lighter) solid;
}