:root {
    color-scheme: light;
    --desktop: #3a6ea5;
    --chrome: #c0c0c0;
    --chrome-light: #ffffff;
    --chrome-mid: #808080;
    --chrome-dark: #404040;
    --title: #000080;
    --ink: #000000;
    --paper: #ffffff;
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    min-height: 100%;
}

body {
    min-height: 100vh;
    margin: 0;
    padding: clamp(12px, 4vw, 42px);
    display: grid;
    place-items: center;
    background: var(--desktop);
    color: var(--ink);
    font-family: Tahoma, "Microsoft Sans Serif", "MS Sans Serif", Arial, sans-serif;
    font-size: 13px;
    line-height: 18px;
}

a {
    color: inherit;
}

.skip-link {
    position: fixed;
    top: 8px;
    left: 8px;
    z-index: 10;
    padding: 8px 12px;
    background: var(--paper);
    border: 2px solid var(--ink);
    transform: translateY(-160%);
}

.skip-link:focus {
    transform: translateY(0);
}

.app-window {
    width: min(960px, 100%);
    min-height: min(680px, calc(100vh - 84px));
    display: flex;
    flex-direction: column;
    background: var(--chrome);
    border: 2px solid;
    border-color: var(--chrome-light) var(--ink) var(--ink) var(--chrome-light);
    box-shadow: 8px 8px 0 #1e3a57;
    font-kerning: none;
    font-variant-ligatures: none;
}

.title-bar {
    min-height: 34px;
    margin: 3px 3px 0;
    padding: 3px 4px 3px 7px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: var(--title);
    color: var(--paper);
    font-size: 12px;
    font-weight: 700;
    line-height: 16px;
}

.title-bar__label {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 7px;
}

.title-bar__label span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.title-bar__icon {
    width: 16px;
    height: 16px;
    flex: 0 0 auto;
    background: var(--paper);
    border: 1px solid var(--ink);
    box-shadow: inset -4px -4px 0 #d8d8d8;
}

.window-controls {
    display: flex;
    gap: 2px;
    flex: 0 0 auto;
}

.window-button {
    width: 24px;
    height: 22px;
    display: grid;
    place-items: center;
    background: var(--chrome);
    color: var(--ink);
    border: 2px solid;
    border-color: var(--chrome-light) var(--chrome-dark) var(--chrome-dark) var(--chrome-light);
    font-family: Arial, sans-serif;
    font-size: 12px;
    font-weight: 700;
    line-height: 16px;
}

.window-button:hover {
    outline: 1px dotted var(--ink);
    outline-offset: -5px;
}

.menu-bar {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 3px 5px;
    border-bottom: 1px solid var(--chrome-mid);
    font-size: 12px;
    line-height: 16px;
}

.menu-bar a {
    min-height: 30px;
    padding: 6px 10px;
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.menu-bar a:hover,
.menu-bar a[aria-current="page"] {
    background: var(--title);
    color: var(--paper);
}

.menu-bar a:hover {
    outline: 1px dotted var(--paper);
    outline-offset: -5px;
}

.menu-bar a:focus-visible,
.machine-button:focus-visible,
.skip-link:focus-visible {
    outline: 2px solid var(--ink);
    outline-offset: 2px;
}

.editor {
    flex: 1;
    margin: 0 6px;
    padding: clamp(36px, 7vw, 74px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--paper);
    border: 2px solid;
    border-color: var(--chrome-dark) var(--chrome-light) var(--chrome-light) var(--chrome-dark);
    font-family: "Lucida Console", "Courier New", monospace;
    font-size: 14px;
    line-height: 20px;
}

.editor--empty {
    min-height: 520px;
    justify-content: flex-start;
}

.eyebrow {
    margin: 0 0 22px;
    font-size: 12px;
    font-weight: 400;
    line-height: 16px;
    letter-spacing: 1px;
}

h1 {
    max-width: 760px;
    margin: 0;
    font-family: "Lucida Console", "Courier New", monospace;
    font-size: 32px;
    font-weight: 400;
    line-height: 40px;
    letter-spacing: 0;
}

.intro {
    max-width: 720px;
    margin: 26px 0 0;
    font-size: 16px;
    line-height: 24px;
}

.actions {
    margin-top: 34px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.machine-button {
    min-height: 46px;
    padding: 12px 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--chrome);
    border: 2px solid;
    border-color: var(--chrome-light) var(--chrome-dark) var(--chrome-dark) var(--chrome-light);
    font-family: Tahoma, "Microsoft Sans Serif", "MS Sans Serif", Arial, sans-serif;
    font-size: 12px;
    font-weight: 700;
    line-height: 16px;
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
}

.machine-button--primary {
    background: var(--title);
    color: var(--paper);
    border-color: #8c8cff var(--ink) var(--ink) #8c8cff;
}

.machine-button:hover {
    outline: 1px dotted var(--ink);
    outline-offset: -6px;
}

.machine-button--primary:hover {
    outline-color: var(--paper);
}

.machine-button:active {
    border-color: var(--chrome-dark) var(--chrome-light) var(--chrome-light) var(--chrome-dark);
    transform: translate(1px, 1px);
}

.status-bar {
    margin: 4px 6px 6px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4px;
    font-size: 11px;
    line-height: 14px;
}

.status-bar span {
    min-height: 22px;
    padding: 4px 6px;
    border: 1px solid;
    border-color: var(--chrome-mid) var(--chrome-light) var(--chrome-light) var(--chrome-mid);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 640px) {
    body {
        padding: 0;
        place-items: stretch;
    }

    .app-window {
        min-height: 100vh;
        border-width: 0;
        box-shadow: none;
    }

    .editor {
        padding: 38px 22px;
    }

    h1 {
        font-size: 24px;
        line-height: 32px;
    }

    .intro {
        font-size: 15px;
        line-height: 22px;
    }

    .editor--empty {
        min-height: 0;
    }

    .actions {
        flex-direction: column;
    }

    .machine-button {
        width: 100%;
    }
}