.generator {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: 60px 1fr 1fr;
    grid-template-areas:
            "header"
            "settings"
            "results";
}

.generator__header {
    grid-area: header;
}

.generator__results,
.generator__settings {
    height: calc(50vh - 30px);
}

.generator__settings {
    display: flex;
    grid-area: settings;
    background-color: #f2f2f2;
}

.generator__form {
    border-bottom: 3px solid #ddd;
}

.generator__results {
    grid-area: results;
    background-color: #f2f2f2;
}

@media screen and (min-width: 700px) {
    .generator {
        grid-template-columns: 40% 60%;
        grid-template-rows: 60px 1fr;
        grid-template-areas:
            "header header"
            "settings results";
        overflow: hidden;
    }

    .generator__results,
    .generator__settings {
        height: calc(100vh - 60px);
    }

    .generator__form {
        border-right: 3px solid #ddd;
        border-bottom: 0;
    }
}

/**
 * Header
 */

.generator__header {
    display: flex;
    justify-content: space-between;
    box-shadow: 0 0 8px rgba(0,0,0,0.2);
    z-index: 1;
}

.generator__logo {
    height: 32px;
    margin: 12px 20px;
}

/**
 * Form
 */

.generator__form {
    width: 100%;
    height: calc(100% - 60px);
    padding: 10px 30px 50px;
    overflow: auto;
}

/**
 * Results
 */

.generator__results {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: 53px 1fr;
    grid-template-areas:
            "tabs"
            "panels";
}

.generator__tabs {
    grid-area: tabs;
}

.generator__panels {
    position: relative;
    grid-area: panels;
}

/**
 * Tabs
 */

.generator__tabs--results {
    border-bottom: 1px solid #ddd;
}

.generator__tab {
    height: 100%;
    border: none;
    padding: 0.6em 1.2em;
    border-bottom: 3px solid transparent;
    text-transform: uppercase;
    background-color: transparent;
    cursor: pointer;
}

.generator__tab[aria-selected="true"],
.generator__tab--selected {
    border-color: #481fff;
}

/**
 * Help link
 */

.generator__helpLink {
    display: inline-block;
    vertical-align: middle;
    width: 24px;
    height: 24px;
    margin: 0.6em 1.2em;
    border-radius: 50%;
    text-align: center;
    background: rgba(0,0,0,0.65) no-repeat 50%;
    line-height: 26px;
}

.generator__helpIcon {
    width: 14px;
}

/**
 * Button Copy / Reset
 */

.generator__button {
    position: relative;
    display: flex;
    align-items: center;
    float: right;
    margin: 8px 20px;
    padding: 0.7em 1em;
    border: none;
    border-radius: 4px;
    color: #fff;
    background-color: #481fff;
    transition: background-color 0.3s;
    cursor: pointer;
}

.generator__button:hover {
    background-color: #261366;
}

.generator__icon {
    width: 16px;
    margin-right: 0.6em;
    fill: #fff;
}

.generator__button--copy .generator__copied {
    position: absolute;
    top: 15px;
    left: 30px;
    right: 30px;
    padding: 0.5em 0.6em;
    border-radius: 30px;
    text-align: center;
    color: #fff;
    background-color: rgba(51, 65, 73, 0.9);
    transition: all 0.3s ease;
    opacity: 0;
}

.generator__button--copied .generator__copied {
    transform: translate(0, -30px);
    opacity: 1;
    z-index: 1;
}

/** Reset */

.generator__button--reset {
    margin: -2px 0 0;
    color: #222;
    background-color: #ddd;
}

.generator__button--reset:hover {
    background-color: #c8c8c8;
}

.generator__icon--reset {
    fill: #222;
}

/**
 * Panels
 */

.generator__panel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: opacity 0.3s, visibility 0s 0s;
}

.generator__panel--hidden {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0s 0.3s;
}

/**
 * Preview / Code
 */

.generator__codeLabel {
    position: absolute;
    left: -999em;
}

.generator__iFrame,
.generator__results .CodeMirror {
    width: 100%;
    height: 100%;
    border: none;
}

.generator__results .CodeMirror {
    position: absolute;
    top: 0;
    left: 0;
    font-size: 12px;
}

.meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.language__link {
    font-size: 1.2rem;
}