/* ---- Spinner Overlay in der Karte ---- */
.login-card { position: relative; }

.card-loader {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-radius: 0.75rem;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 10;
}

.card-loader.visible { display: flex; }

.spinner {
  width: 2.75rem;
  height: 2.75rem;
  border: 3px solid var(--aeksa-100);
  border-top-color: var(--aeksa-500);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.card-loader-text {
  font-size: 0.875rem;
  color: var(--aeksa-800);
  font-weight: 500;
}

@media (prefers-reduced-motion: reduce) {
  .spinner { animation-duration: 2s; }
}

/* ---- Ergebnis-Darstellung ---- */
.result-box { margin-top: 0.5rem; }

.result-box.hidden { display: none; }

/* Erfolg: gefundener Benutzername */
.result-success {
  background: var(--aeksa-50);
  border: 1px solid var(--aeksa-200);
  border-left: 3px solid var(--aeksa-500);
  border-radius: 0.5rem;
  padding: 1rem 1.25rem;
  animation: result-in 0.35s ease-out;
}

.result-success .result-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--aeksa-600);
  margin-bottom: 0.25rem;
}

.result-success .result-username {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--aeksa-800);
  font-family: 'Segoe UI', monospace;
  word-break: break-all;
}

/* Kein Treffer */
.result-notfound {
  background: #fef2f2;
  color: #991b1b;
  border-left: 3px solid #ef4444;
  border-radius: 0.5rem;
  padding: 0.875rem 1.25rem;
  font-size: 0.875rem;
  animation: result-in 0.35s ease-out;
}

@keyframes result-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ---- Feld-Validierung ---- */
.form-control.is-invalid {
  border-color: #ef4444;
}

.form-control.is-invalid:focus {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.form-control.is-valid {
  border-color: var(--aeksa-500);
}

.field-error {
  display: none;
  color: #991b1b;
  font-size: 0.8125rem;
  margin-top: 0.375rem;
}

.field-error.visible {
  display: block;
}