:root { color-scheme: light dark; --rand: #8886; --akzent: #2f6f4f; --text-akzent: #fff; }
* { box-sizing: border-box; }
body { margin: 0; font: 17px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; background: Canvas; color: CanvasText; }
main { max-width: 34rem; margin: 0 auto; padding: 1rem 16px 3rem; }
h1 { font-size: 1.5rem; margin: .75rem 0; }
h2 { font-size: 1.1rem; margin: 1.5rem 0 .5rem; }
#sprachen { display: flex; gap: .4rem; flex-wrap: wrap; }
#sprachen button { padding: .3rem .7rem; font-size: .9rem; }
#sprachen button[aria-pressed="true"] { border-color: var(--akzent); font-weight: 600; }
#hinweis { border: 1px solid var(--rand); border-radius: .5rem; padding: .5rem 1rem; font-size: .95rem; }
#hinweis ul { padding-left: 1.2rem; margin: .25rem 0 .5rem; }
button { font: inherit; padding: .7rem 1.2rem; border-radius: .5rem; border: 1px solid var(--rand); background: transparent; color: inherit; cursor: pointer; }
button:disabled { opacity: .45; cursor: default; }
.knoepfe { display: flex; gap: .6rem; flex-wrap: wrap; margin: 1rem 0; }
button.haupt { background: var(--akzent); color: var(--text-akzent); border-color: var(--akzent); }
#status { min-height: 1.5em; padding: .6rem .8rem; border-radius: .5rem; border: 1px solid var(--rand); }
#status.fehler { border-color: #b33; }
#ablauf { font-size: .85rem; opacity: .75; }
#tasten { display: grid; grid-template-columns: repeat(3, minmax(3.5rem, 5rem)); gap: .5rem; }
#tasten button { padding: .8rem 0; font-size: 1.2rem; }