/* maple-mono-latin-400-normal */
@font-face {
    font-family: "Maple Mono";
    font-style: normal;
    font-display: swap;
    font-weight: 400;
    src:
        url(https://cdn.jsdelivr.net/fontsource/fonts/maple-mono@latest/latin-400-normal.woff2)
            format("woff2"),
        url(https://cdn.jsdelivr.net/fontsource/fonts/maple-mono@latest/latin-400-normal.woff)
            format("woff");
}

:root {
    --main-bg: #0d0d0d;
    --text-color: #f0f0f0;
    --link-color: #2e93ff;
    --muted: #888;
    --border: #555;
    --radius: 40px;
    --gap: 1.5rem;
    --font-lg: 2rem;
    --max-width: 80vw;
}

body {
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    min-height: 100dvh;
    margin: 0;
    padding: 40px;
    background-color: var(--main-bg);
    color: var(--text-color);
    font-family:
        "Maple Mono", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol",
        "Noto Color Emoji", sans-serif;
}

a {
    color: var(--link-color);
    text-decoration: none;
}

.main-content {
    display: flex;
    flex: 1;
    align-items: center;
    justify-content: center;
}

.center {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--gap);
}

input {
    display: block;
    box-sizing: border-box;
    width: 30ch;
    max-width: var(--max-width);
    padding: 12px;
    border: 2px solid var(--muted);
    border-radius: var(--radius);
    outline: none;
    font-family: inherit;
    font-size: var(--font-lg);
    text-align: center;
    color: inherit;
    background-color: inherit;
}

.info {
    height: 1.5rem;
    margin: 0;
    font-size: 1rem;
    line-height: 1.5rem;
}

.output {
    height: 2.5rem;
    max-width: var(--max-width);
    margin: 0;
    padding-bottom: 8px;
    overflow-x: auto;
    white-space: nowrap;
    font-size: var(--font-lg);
    line-height: 2.5rem;
}

.copy-btn {
    visibility: hidden;
    padding: 4px 12px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--muted);
    background: none;
}

.copy-btn.visible {
    visibility: visible;
}

.copy-btn:hover {
    color: var(--text-color);
    border-color: var(--muted);
}

footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0.5rem;
    font-size: 0.75rem;
}