/* Meta-Ebene: Zugangs-Gate für den Prototyp. Bewusst NICHT im CLAAS-Mockup-Stil
   (dunkel, UXMA-Rot, System-Schrift), damit klar ist: gehört nicht zum Produkt. */
.proto-gate {
  position: fixed; inset: 0; z-index: 99999;
  display: grid; place-items: center; padding: 24px;
  background: #16181d; color: #e9eaec;
  font-family: "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
}
.proto-gate__card {
  width: min(420px, 100%); background: #1f2228; border: 1px solid #2c2f37;
  border-radius: 10px; padding: 40px 32px; box-shadow: 0 20px 60px rgba(0,0,0,.45);
}
.proto-gate__logo { display: block; height: 38px; width: auto; margin-bottom: 28px; }
.proto-gate__title { font-size: 20px; font-weight: 600; margin: 0 0 4px; color: #fff; }
.proto-gate__sub { font-size: 14px; line-height: 1.4; color: #9aa0aa; margin: 0 0 24px; }
.proto-gate__field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.proto-gate__field label { font-size: 12px; letter-spacing: .02em; color: #9aa0aa; }
.proto-gate__field input {
  font: inherit; font-size: 15px; padding: 12px 14px; border-radius: 6px;
  border: 1px solid #3a3e47; background: #13151a; color: #fff;
}
.proto-gate__field input:focus { outline: 2px solid #F00032; outline-offset: -1px; }
.proto-gate__btn {
  width: 100%; margin-top: 8px; font: inherit; font-size: 15px; font-weight: 600;
  padding: 13px 16px; border: 0; border-radius: 6px; background: #F00032; color: #fff; cursor: pointer;
}
.proto-gate__btn:hover { background: #cc002a; }
.proto-gate__err { min-height: 18px; margin: 12px 0 0; font-size: 13px; color: #ff6b6b; }
.proto-gate--shake { animation: protoShake .4s; }
@keyframes protoShake {
  0%,100% { transform: none; } 20%,60% { transform: translateX(-7px); } 40%,80% { transform: translateX(7px); }
}
@media (prefers-reduced-motion: reduce) { .proto-gate--shake { animation: none; } }