body.auth-body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--blau-500);
  color: var(--text-auf-dunkel);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1.25rem;
}

.auth-card {
  background: var(--background-grau-hell);
  color: var(--text-grau-auf-hell);
  padding: 2.5rem 2.25rem;
  border-radius: 20px;
  width: min(400px, 95vw);
  border: 1px solid var(--rahmen-blau);
  box-shadow: 0 26px 68px var(--blau-200);
  position: relative;
  overflow: hidden;
}

.auth-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, var(--blau-50), transparent 55%);
  opacity: 0.55;
}

.auth-card > * {
  position: relative;
  z-index: 1;
}

.auth-card h1 {
  margin: 0 0 0.9rem;
  font-size: 2rem;
  text-align: center;
  color: var(--blau-500);
  letter-spacing: 0.02em;
}

.auth-subtitle {
  margin: 0 0 1.75rem;
  text-align: center;
  color: var(--grau-500);
  font-size: 1rem;
}

.form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-weight: 600;
  color: var(--text-grau-auf-hell);
}

.auth-input {
  border: 1px solid var(--grau-300);
  border-radius: 12px;
  padding: 0.75rem 0.85rem;
  background: var(--background-hell);
  color: var(--text-grau-auf-hell);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.auth-input:focus {
  outline: 2px solid var(--fokus-blau);
  outline-offset: 2px;
  border-color: var(--blau-400);
  box-shadow: 0 0 0 4px rgba(102, 162, 207, 0.35);
  background: var(--background-grau-hell);
}

.auth-input::placeholder {
  color: var(--grau-400);
}

.form-checkbox {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-grau-auf-hell);
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
}

.auth-button {
  width: 100%;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--blau-400), var(--blau-500));
  color: var(--text-auf-dunkel);
  font-weight: 600;
  padding: 0.9rem;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.auth-button:hover {
  background: linear-gradient(135deg, var(--hover-blau-dunkel), var(--blau-500));
  transform: translateY(-2px);
  box-shadow: 0 18px 32px var(--blau-200);
}

.auth-button:active {
  transform: translateY(0);
}

.auth-button:focus-visible {
  outline: 2px solid var(--fokus-blau);
  outline-offset: 3px;
}

.field-error {
  color: var(--rot-500);
  font-size: 0.85rem;
  margin-top: 0.35rem;
}

.auth-flash {
  margin-bottom: 1.5rem;
}

.flash {
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  font-size: 0.92rem;
  margin-bottom: 0.5rem;
  border: 1px solid transparent;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.flash::before {
  content: 'ℹ️';
}

.flash-danger {
  background: var(--background-rot-hell);
  color: var(--text-rot-auf-hell);
  border-color: var(--rahmen-rot);
}

.flash-danger::before {
  content: '⛔️';
}

.flash-warning {
  background: var(--background-gelb-hell);
  color: var(--text-gelb-auf-hell);
  border-color: var(--rahmen-gelb);
}

.flash-warning::before {
  content: '⚠️';
}

.flash-success {
  background: var(--background-gruen-hell);
  color: var(--text-gruen-auf-hell);
  border-color: var(--rahmen-gruen);
}

.flash-success::before {
  content: '✅';
}

.flash-info {
  background: var(--blau-50);
  color: var(--blau-500);
  border-color: var(--rahmen-blau);
}

.flash-info::before {
  content: 'ℹ️';
}

@media (max-width: 480px) {
  .auth-card {
    padding: 2.2rem 1.8rem;
  }

  .auth-button {
    padding: 0.8rem;
  }
}