:root { --grund: #16202b; --text: #1e252c; --gedimmt: #616c77; --linie: #cdd4da; --kritisch: #a32020; --marke: #2c5fa8; }
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; font-size: 14px; color: var(--text); }
.schirm { min-height: 100%; display: grid; place-items: center; background: var(--grund); padding: 24px; }
.karte { width: 100%; max-width: 340px; background: #fff; padding: 32px; display: flex; flex-direction: column; gap: 6px; }
.marke { margin: 0; font-weight: 700; letter-spacing: .14em; color: var(--gedimmt); font-size: 12px; }
h1 { margin: 0 0 18px; font-size: 22px; font-weight: 650; }
label { font-size: 13px; color: var(--gedimmt); margin-top: 8px; }
input { border: 1px solid var(--linie); border-radius: 3px; padding: 8px; font: inherit; }
input:focus-visible, button:focus-visible { outline: 2px solid var(--marke); outline-offset: 1px; }
button { margin-top: 20px; padding: 10px; cursor: pointer; border: 1px solid var(--grund); background: var(--grund); color: #fff; border-radius: 3px; font: inherit; }
button:disabled { opacity: .5; cursor: wait; }
.fehler { color: var(--kritisch); min-height: 20px; margin: 10px 0 0; font-size: 13px; }