:root {
  --primaer: #253943;
  --sekundaer: #344D5C;
  --grund: #F6F6F6;
  --schrift: #2F2F2F;
  --highlight: #9EB0B9;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 24px 16px;
  background: var(--primaer);
  color: var(--schrift);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}
main {
  width: min(100%, 400px);
  min-width: 0;
  padding: clamp(24px, 6vw, 40px);
  border-radius: 6px;
  background: var(--grund);
}
.marke { margin-bottom: 32px; color: var(--sekundaer); font-size: 18px; letter-spacing: 0.08em; }
h1 { margin: 0 0 24px; color: var(--primaer); font-size: 26px; font-weight: 600; }
form { display: grid; }
label { margin-bottom: 6px; color: var(--sekundaer); }
input, button { min-width: 0; width: 100%; min-height: 48px; font: inherit; border-radius: 4px; }
input { padding: 10px 12px; border: 1px solid var(--highlight); background: var(--grund); color: var(--schrift); }
input + label { margin-top: 20px; }
#fehler { margin: 12px 0; min-height: 24px; overflow-wrap: anywhere; }
button { padding: 10px 16px; border: 0; background: var(--primaer); color: var(--grund); cursor: pointer; }
button:hover, button:active, button:disabled { background: var(--sekundaer); }
button:disabled { cursor: wait; }
input:focus-visible, button:focus-visible { outline: 2px solid var(--sekundaer); outline-offset: 3px; }
noscript { display: block; margin-top: 16px; }