.survey-auth-gate {
  max-width: 28rem;
  margin: 3rem auto;
  padding: 1.75rem 1.5rem 2rem;
  font-family: "Segoe UI", system-ui, sans-serif;
  color: #1a1a1a;
  background: linear-gradient(165deg, #f7f7f5 0%, #ebe8e2 100%);
  border: 1px solid #d9d4cb;
}

.survey-auth-gate[hidden],
.survey-task[hidden] {
  display: none !important;
}

.survey-auth-title {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.survey-auth-text {
  margin: 0 0 1.25rem;
  font-size: 0.95rem;
  line-height: 1.45;
  color: #444;
}

.survey-auth-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.survey-auth-field label {
  font-size: 0.85rem;
  font-weight: 600;
}

.survey-auth-field input {
  padding: 0.7rem 0.75rem;
  border: 1px solid #bdb7ab;
  background: #fff;
  font-size: 1rem;
}

.survey-auth-field input:focus {
  outline: 2px solid #c8102e;
  outline-offset: 1px;
}

.survey-auth-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.survey-auth-btn {
  appearance: none;
  border: 0;
  padding: 0.7rem 1.1rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  background: #c8102e;
  color: #fff;
}

.survey-auth-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.survey-auth-btn-secondary {
  background: transparent;
  color: #333;
  border: 1px solid #aaa;
}

.survey-auth-msg {
  min-height: 1.25rem;
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
}

.survey-auth-msg.is-error {
  color: #a40016;
}

.survey-auth-msg.is-ok {
  color: #1b5e20;
}

.survey-auth-step[hidden] {
  display: none !important;
}