/* Login-Formular: Karte, Felder, Checkbox, Button. */

.form__card {
  padding: 32px 28px 28px;
  border: 1px solid var(--c-border);
  border-top: 4px solid var(--c-accent);
  border-radius: var(--radius-l);
  background: var(--c-surface);
  box-shadow: var(--shadow-raised);
}

.form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* Hinweis nach falschem Login. */
.form__failed {
  margin: 0;
  padding: 10px 14px;
  border: 1px solid #f0c4bd;
  border-radius: var(--radius-m);
  background: #fdeeeb;
  color: #9a2a1c;
  font-size: 14.5px;
  font-weight: 500;
}

.form__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form__label {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--c-text-muted);
}

.form__input {
  width: 100%;
  height: 46px;
  padding: 0 14px;
  border: 1px solid var(--c-border-strong);
  border-radius: var(--radius-m);
  background: var(--c-surface);
  font-size: 16px; /* ab 16px zoomt iOS beim Antippen nicht */
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form__input:hover {
  border-color: var(--c-text-muted);
}

.form__input:focus {
  border-color: var(--c-accent);
  outline: none;
  box-shadow: var(--focus-ring);
}

.form__remember {
  display: flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  font-size: 14.5px;
  cursor: pointer;
  user-select: none;
}

.form__check {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--c-accent);
  cursor: pointer;
}

.form__button {
  position: relative;
  height: 46px;
  margin-top: 6px;
  border: 1px solid var(--c-accent);
  border-radius: var(--radius-m);
  background: var(--c-accent);
  color: #fff;
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.form__button:hover {
  border-color: var(--c-accent-hover);
  background: var(--c-accent-hover);
}

.form__button:disabled {
  cursor: progress;
  opacity: 0.75;
}

/* Während der Schlüssel abgeleitet wird: kleiner Kreisel rechts im Button. */
.form[aria-busy="true"] .form__button::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 16px;
  width: 16px;
  height: 16px;
  margin-top: -8px;
  border: 2px solid rgb(255 255 255 / 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: form-spin 0.7s linear infinite;
}

@keyframes form-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 420px) {
  .form__card {
    padding: 28px 20px 24px;
  }
}