:root {
    color-scheme: dark;
    --grey: #282c34;
    --panel: #15130f;
    --paper: #f8f1e8;
    --muted: #b7ab9d;
    --line: rgba(248, 241, 232, 0.18);
    --green: #32c997;
    --font-mono:
        ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Monaco, Consolas,
        "Liberation Mono", "Roboto Mono", "Noto Sans Mono", "Droid Sans Mono",
        "Courier New", monospace;
    font-family: var(--font-mono);
    background: var(--grey);
    color: var(--paper);
}

* {
    box-sizing: border-box;
}

body {
    min-width: 320px;
    height: 100svh;
    overflow: hidden;
    margin: 0;
}

a {
    color: inherit;
    text-decoration: none;
}

.page-shell {
    position: relative;
    width: 100vw;
    height: 100svh;
}

.game-shell {
    position: absolute;
    inset: 0;
}

.terminal-stage {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
    overflow: hidden;
    background: inherit;
}

.terminal {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    background: transparent;
    color: var(--paper);
    font-family: var(--font-mono);
    font-size: 1rem;
    line-height: 2ch;
}

/* Override ratzilla's hardcoded height: 15px so 1rem font does not clip. */
.terminal pre {
    margin: 0;
    font: inherit;
    height: auto !important;
    line-height: inherit !important;
}

code {
    color: #fff5d2;
    font-family: var(--font-mono);
    font-size: 0.98em;
}

.install-command {
    position: fixed;
    bottom: 1.25rem;
    left: 50%;
    transform: translateX(-50%) translateY(0.5rem);
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 0.45rem 0.75rem;
    border: 1px solid var(--line);
    border-radius: 0.5rem;
    background: var(--panel);
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 750;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.install-command--visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
    visibility: visible;
}

.prompt-sign {
    font-weight: 800;
}

.action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    color: var(--muted);
    line-height: 0;
    transition: color 0.15s;
}

.action-btn:hover {
    color: var(--paper);
}

.action-btn:focus-visible {
    outline: 2px solid rgba(255, 216, 90, 0.45);
    outline-offset: 3px;
}

.copy-btn--copied {
    color: var(--green);
}