:root { color-scheme: light dark; --rand: #8884; --akzent: #3b6ea8; }
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, sans-serif; }
header { display: flex; gap: 1rem; align-items: center; padding: .6rem 1rem; border-bottom: 1px solid var(--rand); }
header strong { margin-right: auto; }
nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .25rem 1rem; }
nav a { text-decoration: none; color: var(--akzent); }
nav a[aria-current="page"] { font-weight: 700; text-decoration: underline; }
main { max-width: 64rem; margin: 0 auto; padding: 1rem; }
form.karte { max-width: 24rem; margin: 3rem auto; padding: 1.5rem; border: 1px solid var(--rand); border-radius: 8px; }
label { display: block; margin: .6rem 0 .2rem; }
input { width: 100%; padding: .45rem; font: inherit; }
button { margin-top: 1rem; padding: .45rem 1rem; font: inherit; cursor: pointer; }
header form button { margin: 0; }
.fehler { color: #b00020; }
.hinweis { padding: .6rem; border: 1px solid var(--rand); border-radius: 6px; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: .3rem .5rem; border-bottom: 1px solid var(--rand); vertical-align: top; }
code { word-break: break-all; }